Tensor\\n return pad_sequence(tensor_list, batch_first, padding_value)\",\n \" def pack_sequence_func(tensor_list, enforce_sorted=True):\\n # type: (List[Tensor], bool) -> Tensor\\n return pad_packed_sequence(pack_sequence(tensor_list, enforce_sorted))[0]\",\n \" ones3 = torch.ones(3, 5)\\n ones4 = torch.ones(4, 5)\\n ones5 = torch.ones(5, 5)\\n tensor1 = torch.tensor([1, 2, 3])\\n tensor2 = torch.tensor([4, 5])\\n tensor3 = torch.tensor([6])\\n with torch._jit_internal._disable_emit_hooks():\\n self.checkScript(pad_sequence_func,\\n ([ones3, ones4, ones5],))\\n self.checkScript(pad_sequence_func,\\n ([ones3, ones4, ones5], True))\\n self.checkScript(pad_sequence_func,\\n ([ones3, ones4, ones5], True, 2.5))\\n self.checkScript(pack_sequence_func,\\n ([tensor1, tensor2, tensor3],))\\n self.checkScript(pack_sequence_func,\\n ([tensor1, tensor2, tensor3], False))\",\n \" def test_script_get_tracing_state(self):\\n def test_if_tracing(x):\\n if torch._C._get_tracing_state():\\n return x + 1\\n else:\\n return x - 1\",\n \" inp = torch.randn(3, 3)\\n self.checkScript(test_if_tracing, (inp,))\",\n \" def test_script_is_tracing(self):\\n def test_is_tracing(x):\\n if torch.jit.is_tracing():\\n return x + 1\\n else:\\n return x - 1\",\n \" inp = torch.randn(3, 3)\\n self.checkScript(test_is_tracing, (inp,))\",\n \" def test_is_scripting(self):\\n def foo():\\n return torch.jit.is_scripting()\",\n \" self.assertFalse(foo())\\n scripted = torch.jit.script(foo)\\n self.assertTrue(scripted())\",\n \" def test_comment_ignore_indent(self):\\n class Model(torch.nn.Module):\\n def __init__(self):\\n # useless comment that is not indented correctly # noqa: E115\\n super().__init__()\",\n \" def forward(self):\\n return 5\",\n \" # should compile without an error\\n self.checkModule(Model(), ())\",\n \" def test_script_outputs(self):\\n with self.assertRaisesRegex(RuntimeError, \\\"cannot be used as a tuple\\\"):\\n @torch.jit.script\\n def foo(a):\\n c, d = a + a\\n return c + d\",\n \" @torch.jit.script\\n def return3():\\n return 1, 2, 3\",\n \" with self.assertRaisesRegex(RuntimeError, \\\"too many values to unpack\\\"):\\n @torch.jit.script\\n def bind2():\\n a, b = return3()\\n print(a)\\n print(b)\",\n \" @unittest.skipIf(not RUN_CUDA, \\\"requires CUDA\\\")\\n def test_script_get_device_cuda(self):\\n @torch.jit.script\\n def foo(a):\\n return a.get_device()\",\n \" v = torch.randn(1, device='cuda')\\n self.assertEqual(foo(v), 0)\",\n \" def test_script_chunk(self):\\n @torch.jit.script\\n def foo(a):\\n b, c = torch.chunk(a, dim=0, chunks=2)\\n return b\\n v = torch.rand(10, 3)\\n self.assertEqual(torch.chunk(v, dim=0, chunks=2)[0], foo(v))\",\n \" def test_script_copy(self):\\n class M(torch.nn.Module):\\n __annotations__ = {\\n \\\"val\\\": Optional[torch.Tensor]\\n }\",\n \" def __init__(self):\\n super(M, self).__init__()\\n self.val = None\",\n \" def some_method(self):\\n return 3\",\n \" def forward(self, x):\\n # type: (Tensor) -> Tensor\\n self.val = x + self.some_method()\\n return x\",\n \" m = torch.jit.script(M())\\n # test copy\\n copy.copy(m)\\n copy.deepcopy(m)\",\n \" def test_script_forward_method_replacement(self):\\n # We want to support the use case of attaching a different `forward` method\\n class LowLevelModule(torch.nn.Module):\\n def __init__(self):\\n super(LowLevelModule, self).__init__()\",\n \" def forward(self, input: torch.Tensor):\\n # Generic forward dispatch\\n return self.forward_pytorch(input) * 2\",\n \" class TestModule(LowLevelModule):\\n def __init__(self):\\n super(TestModule, self).__init__()\\n # Replace the forward method\\n self.forward = types.MethodType(LowLevelModule.forward, self)\",\n \" def forward_pytorch(self, input: torch.Tensor):\\n return torch.tensor(123)\",\n \" def forward(self, input: torch.Tensor):\\n # Should not use this forward method\\n raise AssertionError(\\\"This method should not be used\\\")\\n return self.forward_pytorch(input)\",\n \" m = TestModule()\\n self.assertEqual(m(torch.tensor(1)), torch.tensor(246))\",\n \" m_scripted = torch.jit.script(m)\\n self.assertEqual(m_scripted(torch.tensor(1)), torch.tensor(246))\",\n \" def test_python_call_non_tensor(self):\\n def foo(a, b, c):\\n # type: (Tensor, int, Tuple[Tensor, int]) -> Tuple[int, Tensor]\\n d, e = c\\n return b + e, a + d\",\n \" @torch.jit.script\\n def bar():\\n x = torch.ones(3, 4)\\n a, b = foo(x, 3, (x, 3))\\n return a, b\",\n \" self.assertEqual((6, torch.ones(3, 4) + 1), bar())\",\n \" def test_python_call_non_tensor_wrong(self):\\n with self.assertRaisesRegex(RuntimeError, r\\\"but instead got value of type tuple\\\"):\\n @torch.jit.ignore\\n def foo():\\n # type: () -> Tensor\\n return ((3, 4),) # noqa: T484\",\n \" @torch.jit.script\\n def bar():\\n return foo()\",\n \" bar()\",\n \" def test_if_different_type(self):\\n with self.assertRaisesRegex(RuntimeError, \\\"c0 is set to type \\\"\\n \\\"int in the true branch and type \\\"\\n \\\"float in the false branch\\\"):\\n @torch.jit.script\\n def diff_type_used():\\n if 1 == 2:\\n c0 = 1\\n else:\\n c0 = 1.0\\n return c0\",\n \" with self.assertRaisesRegex(RuntimeError, \\\"Variable 'c0' previously had type float\\\"):\\n @torch.jit.script\\n def diff_existing_type(x):\\n c0 = 1.0\\n if 1 == 2:\\n c0 = 1\\n print(x)\\n return x\",\n \" @torch.jit.script\\n def diff_type_unused():\\n if 1 == 1:\\n c0 = 1\\n print(c0)\\n else:\\n c0 = 1.0\\n print(c0)\\n return 1\",\n \" def test_if_not_defined_error(self):\\n with self.assertRaisesRegex(RuntimeError, \\\"c0 is not defined in the false branch\\\"):\\n @torch.jit.script\\n def test():\\n if 1 == 1:\\n c0 = 1\\n return c0\\n with self.assertRaisesRegex(RuntimeError, \\\"c0 is not defined in the true branch\\\"):\\n @torch.jit.script\\n def test2():\\n if 1 == 1:\\n pass\\n else:\\n c0 = 1\\n return c0\",\n \" def test_if_list_cat(self):\\n # testing that different length lists don't throw error on cat in shape prop\\n @torch.jit.script\\n def test_list(x):\\n if bool(x.sum() < 1):\\n c = [x, x]\\n else:\\n c = [x, x, x]\\n return torch.cat(c)\",\n \" b = torch.zeros(2, 4)\\n _propagate_shapes(test_list.graph, (b,), False)\",\n \" def test_if_supertype(self):\\n @torch.jit.script\\n def tensor_unifying(x, y, z):\\n # testing dynamic is appropriately set for y and z\\n if bool(x):\\n x, y, z = x + 1, y, z\\n else:\\n x, y, z = x + 1, x, y\",\n \" return x, y, z\",\n \" a = torch.zeros(2, 2, dtype=torch.float)\\n b = torch.zeros(2, 4, dtype=torch.long)\\n c = torch.zeros(2, 4, dtype=torch.float)\",\n \" graph = _propagate_shapes(tensor_unifying.graph, (a, b, c), False)\\n if_outputs = list(graph.findNode(\\\"prim::If\\\").outputs())\\n self.assertTrue(if_outputs[0].type().str() == \\\"Float(*, *, requires_grad=0, device=cpu)\\\")\\n self.assertTrue(if_outputs[1].type().str() == \\\"Tensor(*, *, requires_grad=0, device=cpu)\\\")\\n self.assertTrue(if_outputs[2].type().str() == \\\"Tensor(*, *, requires_grad=0, device=cpu)\\\")\",\n \" def test_list_unify(self):\\n # allowing a unififed int?[] would cause a runtime error b/c\\n # the index operation expects int?[] to be a generic list,\\n # but in the true branch the IValue will be a int list\\n with self.assertRaisesRegex(RuntimeError, \\\"int[] in the true branch and type None[]\\\"):\\n @torch.jit.script\\n def list_optional_fails(x):\\n # type: (bool) -> Optional[int]\\n if x:\\n y = [1]\\n else:\\n y = [None] # noqa: T484\\n return y[0]\",\n \" @torch.jit.script\\n def list_tensors(x):\\n # type: (bool) -> Tuple[Tensor, List[Tensor]]\\n if x:\\n a = torch.zeros([1, 1])\\n y = [a]\\n else:\\n a = torch.zeros([1, 2])\\n y = [a]\\n return a, y\",\n \" self.run_pass('constant_propagation', list_tensors.graph)\\n m = self.createFunctionFromGraph(list_tensors.graph)\\n # testing that tensor type of lists is unified\\n self.getExportImportCopy(m)\",\n \" @_inline_everything\\n def test_import_constants_not_specialized(self):\\n class Mod(torch.nn.Module):\\n def forward(self, x):\\n return torch.cat(2 * [x], dim=0)\",\n \" class ScriptMod(torch.jit.ScriptModule):\\n def __init__(self, mod):\\n super(ScriptMod, self).__init__()\\n x = torch.zeros(1, 3)\\n mod_fn = lambda : mod(x) # noqa: E731\\n self.mod = torch.jit.trace(mod_fn, tuple())\",\n \" @torch.jit.script_method\\n def forward(self):\\n return self.mod()\",\n \" cm = ScriptMod(Mod())\\n # specialized tensor in graph\\n FileCheck().check(\\\"Double(1, 3, strides=[3, 1], requires_grad=0, device=cpu)\\\").run(cm.forward.graph)\\n buffer = io.BytesIO()\\n torch.jit.save(cm, buffer)\\n buffer.seek(0)\\n # when tensor is loaded as constant it isnt specialized\\n cm_load = torch.jit.load(buffer)\\n FileCheck().check_not(\\\"Double(1, 3)\\\").run(cm_load.forward.graph)\",\n \" @skipIfTorchDynamo(\\\"TorchDynamo fails with unknown reason\\\")\\n def test_type_annotations_repeated_list(self):\\n @torch.jit.script\\n def float_fn(x, y):\\n # type: (float, BroadcastingList3[float]) -> List[float]\\n return y\\n self.assertEqual(float_fn(2.0, 1.0), float_fn(2.0, [1.0, 1.0, 1.0]))\\n self.assertEqual(float_fn(2.0, 1.0), float_fn(2.0, (1.0, 1.0, 1.0)))\",\n \" @torch.jit.script\\n def float_fn_call():\\n print(float_fn(1.0, 1.0))\\n print(float_fn(1.0, (1.0, 1.0, 1.0)))\",\n \" @torch.jit.script\\n def int_fn(x):\\n # type: (BroadcastingList3[int]) -> List[int]\\n return x\\n self.assertEqual(int_fn(1), int_fn([1, 1, 1]))\\n self.assertEqual(int_fn(1), int_fn((1, 1, 1)))\",\n \" @torch.jit.script\\n def int_fn_call():\\n print(int_fn(1))\\n print(int_fn((1, 1, 1)))\",\n \" with self.assertRaisesRegex(RuntimeError, \\\"must be a positive integer:\\\"):\\n @torch.jit.script # noqa: T484\\n def fn(x):\\n # type: (BroadcastingListx[int]) -> List[int] # noqa: T484\\n return x\",\n \" # using CU so that flake8 error on int[2] is not raised (noqa not working)\\n with self.assertRaisesRegex(RuntimeError, \\\"Unknown type constructor\\\"):\\n cu = torch.jit.CompilationUnit('''\\n def nested(x, y):\\n # type: (int, Tuple[int, int[2]]) -> List[int]\\n return x # noqa: T484\\n ''')\",\n \" @torch.jit.script\\n def f(x: BroadcastingList2[int]):\\n return x\",\n \" out = f(1)\\n self.assertTrue(isinstance(out[0], int))\\n self.assertEqual(out, [1, 1])\",\n \" def test_ntuple_builtins(self):\\n from torch.nn.modules.utils import _single, _pair, _triple, _quadruple\",\n \" def test_ints():\\n return _single(1), _pair(2), _triple(3), _quadruple(4)\",\n \" def test_floats():\\n return _single(1), _pair(2.1), _triple(3.1), _quadruple(4.1)\",\n \" self.checkScript(test_ints, ())\\n self.checkScript(test_floats, ())\",\n \" def test_embedding_renorm_grad_error(self):\\n # Testing that the builtin call to embedding_renorm_ correctly throws\\n # Error when .backward() is called on its input\",\n \" def embedding_norm(input, embedding_matrix, max_norm):\\n F.embedding(input, embedding_matrix, max_norm=0.01)\",\n \" @torch.jit.script\\n def embedding_norm_script(input, embedding_matrix, max_norm):\\n # type: (Tensor, Tensor, float) -> None\\n F.embedding(input, embedding_matrix, max_norm=0.01)\",\n \" for _ in [embedding_norm, embedding_norm_script]:\\n input = torch.tensor([[1, 2, 4, 5], [4, 3, 2, 9]])\\n embedding_matrix = torch.randn(10, 3)\",\n \" var1 = torch.randn(10, 3, requires_grad=True)\\n var2 = var1.detach().requires_grad_()\\n output1 = var1 * embedding_matrix\\n output2 = var2 * embedding_matrix\",\n \" output1.sum().backward()\",\n \" ignore = F.embedding(input, embedding_matrix, max_norm=0.01)\\n with self.assertRaisesRegex(RuntimeError, \\\"modified\\\"):\\n output2.sum().backward()\",\n \" def test_type_annotations(self):\\n def fn(x, y):\\n # type: (Tensor, Tensor) -> Tuple[Tensor, Tensor, Tensor]\\n return x, x * 2, x * 3\",\n \" with self.assertRaisesRegex(RuntimeError, r\\\"need 4 values .* found only 3\\\"):\\n @torch.jit.script\\n def script_fn(x):\\n x, y, z, w = fn(x, x)\",\n \" with self.assertRaisesRegex(RuntimeError, r\\\"too many values .* need 2 but found 3\\\"):\\n @torch.jit.script\\n def script_fn2(x):\\n x, y = fn(x, x)\",\n \" def fn_unpack(x):\\n y, z, w = fn(x, x)\\n return y\",\n \" def fn_index(x):\\n q = fn(x, x)\\n return x\",\n \" def fn_string(str, strpair):\\n # type: (str, Tuple[str, str]) -> Tuple[str, int, str, str]\\n str1, str2 = strpair\\n return str, 2, str1, str2\",\n \" x = torch.ones(2, 2)\\n self.checkScript(fn_unpack, (x,), optimize=True)\\n self.checkScript(fn_index, (x,), optimize=True)\\n self.checkScript(fn_string, (\\\"1\\\", (\\\"3\\\", \\\"4\\\")), optimize=True)\",\n \" def test_type_annotations_varargs(self):\\n @torch.jit.ignore\\n def fn_varargs(x, *args):\\n return args[0] if args else x\",\n \" def fn1(x, y, z):\\n return fn_varargs(x)\",\n \" def fn2(x, y, z):\\n return fn_varargs(x, y)\",\n \" def fn3(x, y, z):\\n return fn_varargs(x, y, z)\",\n \" x, y, z = [torch.randn(2, 2) for _ in range(3)]\\n self.checkScript(fn1, (x, y, z), optimize=True)\\n self.checkScript(fn2, (x, y, z), optimize=True)\\n self.checkScript(fn3, (x, y, z), optimize=True)\",\n \" def test_type_annotation_py3(self):\\n code = dedent(\\\"\\\"\\\"\\n import torch\\n from torch import Tensor\\n from typing import Tuple\",\n \" def fn(x : torch.Tensor, y : Tensor, z) -> Tuple[Tensor, Tensor, Tensor]:\\n return (x, y + z, z)\\n \\\"\\\"\\\")\",\n \" with tempfile.TemporaryDirectory() as tmp_dir:\\n script_path = os.path.join(tmp_dir, 'script.py')\\n with open(script_path, 'w') as f:\\n f.write(code)\\n fn = get_fn('test_type_annotation_py3', script_path)\\n fn = torch.jit.ignore(fn)\",\n \" with self.assertRaisesRegex(RuntimeError, r\\\"Expected a value of type 'Tensor' for argument\\\"\\n r\\\" 'x' but instead found type 'Tuple\\\\[Tensor,\\\"):\\n @torch.jit.script\\n def bad_fn(x):\\n x, y = fn((x, x), x, x)\\n return y\",\n \" with self.assertRaisesRegex(RuntimeError, r\\\"too many values .* need 2 but found 3\\\"):\\n @torch.jit.script\\n def bad_fn2(x):\\n x, y = fn(x, x, x)\\n return y\",\n \" with self.assertRaisesRegex(RuntimeError, r\\\"need 4 values .* found only 3\\\"):\\n @torch.jit.script\\n def bad_fn3(x):\\n x, y, z, w = fn(x, x, x)\\n return y\",\n \" def good_fn(x):\\n y, z, w = fn(x, x, x)\\n return y, z, w\",\n \" self.checkScript(good_fn, (torch.ones(2, 2),), optimize=True)\",\n \" def test_type_annotation_module(self):\\n class BaseModule(torch.jit.ScriptModule):\\n @torch.jit.ignore\\n def foo(self, x):\\n # type: (Tensor) -> Tensor\\n return x + 1\",\n \" @torch.jit.ignore\\n def bar(self, x, y):\\n # type: (Tensor, Tensor) -> Tuple[Tensor, Tensor]\\n return x + y, y\",\n \" @torch.jit.ignore\\n def baz(self, x, y):\\n return x\",\n \" class ModuleTooMany(BaseModule):\\n @torch.jit.script_method\\n def method(self, x):\\n return self.foo(x, x)\",\n \" class ModuleTooFew(BaseModule):\\n @torch.jit.script_method\\n def method(self, x):\\n return self.bar(x)\",\n \" class ModuleTooManyAssign(BaseModule):\\n @torch.jit.script_method\\n def method(self, x):\\n y, z, w = self.bar(x, x)\\n return x\",\n \" class ModuleDefault(BaseModule):\\n @torch.jit.script_method\\n def method(self, x):\\n y = self.baz(x)\\n return x\",\n \" with self.assertRaisesRegex(RuntimeError, \\\"Expected at most 2 arguments but found 3\\\"):\\n ModuleTooMany()\\n with self.assertRaisesRegex(RuntimeError, \\\"Argument y not provided\\\"):\\n ModuleTooFew()\\n with self.assertRaisesRegex(RuntimeError, \\\"need 3 values .* found only 2\\\"):\\n ModuleTooManyAssign()\\n with self.assertRaisesRegex(RuntimeError, \\\"Argument y not provided.\\\"):\\n ModuleDefault()\",\n \" def test_type_inferred_from_empty_annotation(self):\\n \\\"\\\"\\\"\\n Test that the type inferred from an empty or missing annotation is Torch.Tensor wtih `inferred=true`\\n \\\"\\\"\\\"\\n @torch.jit.script\\n def fn(x):\\n return x\",\n \" graph = fn.graph\\n n = next(graph.inputs())\\n self.assertTrue(n.type() == torch._C.TensorType.getInferred())\",\n \" with self.assertRaisesRegex(RuntimeError, \\\"Inferred \\\\'x\\\\' to be of type \\\\'Tensor\\\"):\\n fn(\\\"1\\\")\",\n \" def test_script_define_order(self):\\n class M(torch.jit.ScriptModule):\",\n \" @torch.jit.script_method\\n def call_foo(self, input):\\n return self.foo(input)\",\n \" @torch.jit.script_method\\n def foo(self, input):\\n return input + 1\\n m = M()\\n self.assertEqual(2, m.call_foo(torch.ones((), dtype=torch.int64)))\",\n \" def test_script_define_order_recursive_fail(self):\\n class M(torch.jit.ScriptModule):\",\n \" @torch.jit.script_method\\n def call_foo(self, input):\\n return self.foo(input)\",\n \" @torch.jit.script_method\\n def foo(self, input):\\n self.call_foo(input)\",\n \" with self.assertRaisesRegex(RuntimeError, 'called recursively'):\\n M()\",\n \" def test_script_kwargs_fn_call(self):\\n class M(torch.jit.ScriptModule):\",\n \" @torch.jit.script_method\\n def call_foo(self, input):\\n return self.foo(input=input, bar=1)\",\n \" @torch.jit.script_method\\n def foo(self, bar, input):\\n # type: (int, Tensor) -> Tensor\\n return input + bar\\n m = M()\\n self.assertEqual(2, m.call_foo(torch.ones((), dtype=torch.int64)))\",\n \" def test_if_define(self):\\n @torch.jit.script\\n def foo(a):\\n if bool(a == 0):\\n b = 1\\n else:\\n b = 0\\n return b + 1\",\n \" @torch.jit.script\\n def foo2(a):\\n b = 0\\n if bool(a == 0):\\n b = 1\\n return b + 1\",\n \" @torch.jit.script\\n def foo3(a):\\n b = 1\\n if bool(a == 0):\\n c = 4\\n else:\\n b = 0\\n return b + 1\",\n \" a = torch.ones(1, dtype=torch.long)\\n b = torch.zeros(1, dtype=torch.long)\\n self.assertEqual(1, foo(a))\\n self.assertEqual(2, foo(b))\\n self.assertEqual(1, foo2(a))\\n self.assertEqual(2, foo2(b))\\n self.assertEqual(1, foo3(a))\\n self.assertEqual(2, foo3(b))\",\n \" def test_script_module_export_submodule(self):\\n class M1(torch.jit.ScriptModule):\\n def __init__(self):\\n super(M1, self).__init__()\\n self.weight = nn.Parameter(torch.randn(2))\",\n \" @torch.jit.script_method\\n def forward(self, thing):\\n return self.weight + thing\",\n \" class M2(torch.jit.ScriptModule):\\n def __init__(self):\\n super(M2, self).__init__()\\n # test submodule\\n self.sub = M1()\\n self.weight = nn.Parameter(torch.randn(2, 3))\\n self.bias = nn.Parameter(torch.randn(2))\\n self.define(\\\"\\\"\\\"\\n def hi(self, a):\\n return self.weight.mm(a)\\n \\\"\\\"\\\")\",\n \" @torch.jit.script_method\\n def doit(self, input):\\n return self.weight.mm(input)\",\n \" @torch.jit.script_method\\n def doit2(self, input):\\n return self.weight.mm(input)\",\n \" @torch.jit.script_method\\n def doit3(self, input):\\n return input + torch.ones([1], dtype=torch.double)\",\n \" @torch.jit.script_method\\n def forward(self, input):\\n a = self.doit(input)\\n b = self.doit2(input)\\n c = self.hi(input)\\n return a + b + self.bias + c\",\n \" with torch.jit.optimized_execution(False):\\n m_orig = M2()\\n m_import = self.getExportImportCopy(m_orig)\",\n \" input = torch.randn(3, 2)\\n self.assertEqual(m_orig.doit(input), m_import.doit(input))\\n self.assertEqual(m_orig.hi(input), m_import.hi(input))\\n self.assertEqual(m_orig.doit3(input), m_import.doit3(input))\\n self.assertEqual(m_orig.forward(input), m_import.forward(input))\",\n \" @slowTest\\n def test_compile_module_with_constant(self):\\n class Double(nn.Module):\\n def __init__(self, downsample=None):\\n super(Double, self).__init__()\",\n \" def forward(self, input):\\n return input * 2\",\n \" class Mod(nn.Module):\\n __constants__ = ['downsample']\",\n \" def __init__(self, downsample=None):\\n super(Mod, self).__init__()\\n self.downsample = downsample\",\n \" def forward(self, input):\\n if self.downsample is not None:\\n return self.downsample(input)\\n return input\",\n \" none_mod = torch.jit.script(Mod(None))\\n double_mod = torch.jit.script(Mod(Double()))\\n self.assertEqual(none_mod(torch.tensor(1)), torch.tensor(1))\\n self.assertEqual(double_mod(torch.tensor(1)), torch.tensor(1) * 2)\",\n \" def test_device_kwarg(self):\\n from torch import device\",\n \" def f():\\n return device(type='cuda'), torch.device(type='cpu')\\n self.checkScript(f, ())\",\n \" def test_script_module_export_tensor_type(self):\\n class M(torch.jit.ScriptModule):\\n def __init__(self, type):\\n super(M, self).__init__()\\n self.param = torch.nn.Parameter(torch.zeros((5, 5), dtype=type).random_())\",\n \" @torch.jit.script_method\\n def foo(self):\\n return self.param\",\n \" with torch.jit.optimized_execution(False):\\n for type in [torch.float, torch.double]:\\n m_orig = M(type)\\n m_import = self.getExportImportCopy(m_orig)\\n # check to make sure the storage wasn't resized\\n self.assertTrue(m_orig.param.storage().size() == 25)\\n self.assertEqual(m_orig.foo(), m_import.foo())\\n self.assertTrue(m_orig.foo().dtype == m_import.foo().dtype)\",\n \" @unittest.skipIf(not RUN_CUDA, \\\"testing cuda tensors require CUDA\\\")\\n def test_script_module_export_tensor_cuda(self):\\n class M(torch.jit.ScriptModule):\",\n \" def __init__(self):\\n super(M, self).__init__()\\n self.param = torch.nn.Parameter(torch.zeros((5, 5), device='cuda:0').random_())\",\n \" @torch.jit.script_method\\n def foo(self):\\n return self.param\",\n \" m_orig = M()\\n m_import = self.getExportImportCopy(m_orig)\\n # check to make sure the storage wasn't resized\\n self.assertTrue(m_orig.param.storage().size() == 25)\\n self.assertTrue(m_import.foo().device == torch.device('cuda:0'))\\n self.assertEqual(m_orig.foo(), m_import.foo())\\n self.assertTrue(m_orig.foo().dtype == m_import.foo().dtype)\",\n \" def test_script_module_export_blocks(self):\\n class M(torch.jit.ScriptModule):\\n def __init__(self, n, m):\\n super(M, self).__init__()\\n self.weight = torch.nn.Parameter(torch.rand(n, m))\",\n \" @torch.jit.script_method\\n def forward(self, input):\\n if bool(input.sum() > 0):\\n output = self.weight.mv(input)\\n else:\\n output = self.weight + input\\n return output\",\n \" m_orig = M(200, 200)\\n m_import = self.getExportImportCopy(m_orig)\",\n \" t = torch.rand(200)\\n self.assertEqual(m_orig(t), m_import(t))\",\n \" def test_script_module_export_shared_storage(self):\\n class M(torch.jit.ScriptModule):\",\n \" def __init__(self):\\n super(M, self).__init__()\\n self.param1 = torch.nn.Parameter(torch.rand(5, 5))\\n self.param2 = torch.nn.Parameter(self.param1[3])\\n self.param3 = torch.nn.Parameter(torch.rand(5, 5))\\n self.param4 = torch.nn.Parameter(torch.rand(11, 5)[1:6])\",\n \" @torch.jit.script_method\\n def foo(self):\\n return self.param1 + self.param2 + self.param3 + self.param4\",\n \" with torch.jit.optimized_execution(False):\\n m_orig = M()\\n m_import = self.getExportImportCopy(m_orig)\",\n \" self.assertEqual(m_orig.foo(), m_import.foo())\",\n \" self.assertTrue(m_import.param1.storage().data_ptr() == m_import.param2.storage().data_ptr())\\n self.assertTrue(m_import.param1.storage().data_ptr() != m_import.param3.storage().data_ptr())\",\n \" def test_sequential_intermediary_types(self):\\n class A(torch.nn.Module):\\n def __init__(self):\\n super(A, self).__init__()\",\n \" def forward(self, x):\\n return x + 3\",\n \" class B(torch.nn.Module):\\n def __init__(self):\\n super(B, self).__init__()\",\n \" def forward(self, x):\\n return {\\\"1\\\": x}\",\n \" class C(torch.nn.Module):\\n def __init__(self):\\n super(C, self).__init__()\\n self.foo = torch.nn.Sequential(A(), B())\",\n \" def forward(self, x):\\n return self.foo(x)\",\n \" self.checkModule(C(), (torch.tensor(1),))\",\n \" def test_ellipsis_const_mid(self):\\n def ellipsize(x):\\n # type: (Tensor) -> List[int]\\n return x[2, Ellipsis, 0:4, 4:8].size()\",\n \" dummy = torch.zeros(8, 8, 8, 8, 8)\\n self.checkScript(ellipsize, (dummy,), optimize=True)\",\n \" def test_ellipsis_const_mid_select(self):\\n def ellipsize(x):\\n # type: (Tensor) -> List[int]\\n return x[2, Ellipsis, 4, 4, 4:8, 2].size()\",\n \" dummy = torch.zeros(8, 8, 8, 8, 8, 8, 8)\\n self.checkScript(ellipsize, (dummy,), optimize=True)\",\n \" def test_ellipsis_const_start(self):\\n def ellipsize(x):\\n # type: (Tensor) -> List[int]\\n return x[Ellipsis, 0:4, 4:8].size()\\n dummy = torch.zeros(8, 8, 8, 8, 8)\\n self.checkScript(ellipsize, (dummy,), optimize=True)\",\n \" def test_ellipsis_const_end(self):\\n def ellipsize(x):\\n # type: (Tensor) -> List[int]\\n return x[0:4, 2, Ellipsis].size()\\n dummy = torch.zeros(8, 8, 8, 8, 8)\\n self.checkScript(ellipsize, (dummy,), optimize=True)\",\n \" def test_ellipsis_mid(self):\\n def ellipsize(x):\\n # type: (Tensor) -> List[int]\\n return x[2, ..., 0:4, 4:8].size()\",\n \" dummy = torch.zeros(8, 8, 8, 8, 8)\\n self.checkScript(ellipsize, (dummy,), optimize=True)\",\n \" def test_ellipsis_mid_select(self):\\n def ellipsize(x):\\n # type: (Tensor) -> List[int]\\n return x[2, ..., 4, 4, 4:8, 2].size()\",\n \" dummy = torch.zeros(8, 8, 8, 8, 8, 8, 8)\\n self.checkScript(ellipsize, (dummy,), optimize=True)\",\n \" def test_ellipsis_start(self):\\n def ellipsize(x):\\n # type: (Tensor) -> List[int]\\n return x[..., 0:4, 4:8].size()\\n dummy = torch.zeros(8, 8, 8, 8, 8)\\n self.checkScript(ellipsize, (dummy,), optimize=True)\",\n \" def test_ellipsis_end(self):\\n def ellipsize(x):\\n # type: (Tensor) -> List[int]\\n return x[0:4, 2, ...].size()\\n dummy = torch.zeros(8, 8, 8, 8, 8)\\n self.checkScript(ellipsize, (dummy,), optimize=True)\",\n \" def test_torch_manual_seed(self):\\n with freeze_rng_state():\\n def test():\\n torch.manual_seed(2)\\n return torch.rand(1)\",\n \" script = torch.jit.script(test)\\n self.assertEqual(test(), script())\\n graph = script.graph_for()\\n FileCheck().check(\\\"aten::manual_seed\\\").run(graph)\",\n \" def test_index_select_shape_prop(self):\",\n \" @torch.jit.script\\n def foo(x, y):\\n return torch.index_select(x, index=y, dim=1)\",\n \" a = torch.zeros(2, 2)\\n b = torch.zeros(4, dtype=torch.long)\\n torch._C._jit_pass_complete_shape_analysis(foo.graph, (a, b), False)\\n FileCheck().check(\\\"Double(2, 4, strides=[4, 1], requires_grad=0, device=cpu)\\\").run(str(foo.graph))\",\n \" def test_shape_analysis_loop(self):\\n def foo(a, b, x):\\n c = a\\n # on the first iteration of the loop it appears that\\n # c should have a expand to the size of b\\n # but on the second+ iterations, there is no broadcast and the\\n # sizes are different.\\n # previously this would cause the compiler to (1) enter an infinite\\n # loop trying to compute the shape, and (2) insert invalid\\n # broadcasts.\\n # this test ensure we don't regress on these issues\\n for _ in range(2):\\n a = c + b\\n c = x\\n b = x\\n return a\",\n \" self.checkScript(foo, (torch.zeros(1), torch.zeros(4), torch.zeros(5)), optimize=False)\",\n \" def test_intlist_args(self):\\n def func_1(x):\\n return torch.nn.functional.adaptive_avg_pool1d(x, 1)\",\n \" def func_2(x):\\n return torch.nn.functional.adaptive_avg_pool1d(x, output_size=1)\",\n \" def func_3(x):\\n return torch.nn.functional.adaptive_avg_pool1d(x, output_size=[1])\",\n \" x = torch.randn(8, 8, 8)\\n self.checkScript(func_1, [x], optimize=True)\\n self.checkScript(func_2, [x], optimize=True)\\n self.checkScript(func_3, [x], optimize=True)\",\n \" def test_wrong_implicit_expand(self):\",\n \" @_trace(torch.zeros(3), torch.zeros(1))\\n def foo(a, b):\\n return a + b\",\n \" a = torch.rand(4)\\n b = torch.rand(4)\\n self.assertEqual(a + b, foo(a, b))\",\n \" def test_builtin_args_fails(self):\",\n \" with self.assertRaisesRegex(RuntimeError, 'Argument self not provided'):\\n @torch.jit.script\\n def f1(a):\\n torch.sum(foo=4)\",\n \" with self.assertRaisesRegex(RuntimeError, 'specified twice'):\\n @torch.jit.script\\n def f2(a):\\n torch.sum(a, self=a)\",\n \" with self.assertRaisesRegex(RuntimeError, 'not provided'):\\n @torch.jit.script\\n def f3(a):\\n torch.sum(dim=4)\",\n \" with self.assertRaisesRegex(RuntimeError, 'for argument \\\\'tensors\\\\' but instead found type \\\\'Tensor'):\\n @torch.jit.script\\n def f4(a):\\n torch.cat(a)\",\n \" with self.assertRaisesRegex(RuntimeError, r'argument \\\\'tensors\\\\' but instead found type \\\\'List\\\\[int\\\\]'):\\n @torch.jit.script\\n def f5(a):\\n torch.cat([3])\",\n \" with self.assertRaisesRegex(RuntimeError, r'Expected a value of'\\n r' type \\\\'List\\\\[int\\\\]\\\\' for argument'\\n r' \\\\'size\\\\' but instead found type '\\n r'\\\\'List\\\\[Union\\\\[List\\\\[int\\\\], int\\\\]\\\\]'):\\n @torch.jit.script\\n def f6(a):\\n a.expand(size=[3, [4]])\",\n \" def test_builtin_args(self):\",\n \" def t0(a):\\n # default arg dim\\n return torch.cat([a, a])\",\n \" self.checkScript(t0, (torch.zeros(1, 1),))\",\n \" def t1(a):\\n # keywords out of order\\n return torch.cat(dim=1, tensors=[a, a])\",\n \" self.checkScript(t1, (torch.zeros(1, 1, 2),))\",\n \" def t2(a):\\n # mix const/non-const attributes\\n if 1 == 1:\\n b = 1\\n else:\\n b = 0\\n return torch.sum(a, dim=b, keepdim=False)\",\n \" self.checkScript(t2, (torch.zeros(1, 1, 2),))\",\n \" def test_parser_type_annotations(self):\\n cu = torch.jit.CompilationUnit('''\\n def foo(x : Tensor, y : Tuple[Tuple[Tensor, Tensor], Tensor]) -> Tuple[Tensor, Tensor]:\\n return x, x\\n ''')\",\n \" self.assertExpected(str(cu.foo.schema))\",\n \" def test_parser_type_annotations_comment(self):\\n cu = torch.jit.CompilationUnit('''\\n def foo(x, y):\\n # type: (Tensor, Tuple[Tuple[Tensor, Tensor], Tensor]) -> Tuple[Tensor, Tensor]\\n return x, x\\n ''')\",\n \" self.assertExpected(str(cu.foo.schema))\",\n \" def test_parser_type_annotations_unknown_type(self):\\n with self.assertRaisesRegex(RuntimeError, \\\"Unknown type name 'Foo'\\\"):\\n cu = torch.jit.CompilationUnit('''\\n def foo(x : Tensor, y : Tuple[Tuple[Foo, Tensor], Tensor]) -> Tuple[Tensor, Tensor]:\\n return x, x\\n ''')\",\n \" def test_parser_type_annotations_subscript_non_ident(self):\\n with self.assertRaisesRegex(RuntimeError, r'Subscripted type must be a type identifier'):\\n cu = torch.jit.CompilationUnit('''\\n def foo(x : Tensor, y : Tuple[Tensor, Tensor][Tensor]) -> Tuple[Tensor, Tensor]:\\n return x, x\\n ''')\",\n \" def test_parser_type_annotations_subscript_tensor(self):\\n with self.assertRaisesRegex(RuntimeError, r'Unknown type constructor Tensor'):\\n cu = torch.jit.CompilationUnit('''\\n def foo(x : Tensor, y : Tensor[Tensor, Tensor]) -> Tuple[Tensor, Tensor]:\\n return x, x\\n ''')\",\n \" def test_parser_type_annotations_incompatible_expression(self):\\n with self.assertRaisesRegex(RuntimeError, r'Expression of type \\\\+ cannot be used in a type expression'):\\n cu = torch.jit.CompilationUnit('''\\n def foo(x : Tensor, y : Tuple[3 + 4, Tensor]) -> Tuple[Tensor, Tensor]:\\n return x, x\\n ''')\",\n \" def test_gather_dynamic_index(self):\\n def t(x):\\n gather1 = x[0]\\n idx = 0 + 1\\n gather2 = x[idx]\\n return gather1 + gather2\",\n \" self.checkScript(t, (torch.zeros(3, 2, 3),))\",\n \" def test_torch_ignore_conversion_to_none(self):\\n class A(torch.nn.Module):\\n def __init__(self):\\n super(A, self).__init__()\",\n \" @torch.jit.ignore\\n def ignored(self, a: int) -> None:\\n l: int = len([2 for i in range(a) if i > 2])\\n return\",\n \" def forward(self) -> int:\\n a: int = 4\\n b: int = 5\\n self.ignored(a)\\n return a + b\",\n \" class B(torch.nn.Module):\\n def __init__(self):\\n super(B, self).__init__()\",\n \" @torch.jit.ignore\\n def ignored(self, a: int):\\n l: int = len([2 for i in range(a) if i > 2])\\n return\",\n \" def forward(self) -> int:\\n a: int = 4\\n b: int = 5\\n self.ignored(a)\\n return a + b\",\n \" modelA = torch.jit.script(A())\\n self.assertEqual(modelA(), 9)\",\n \" modelB = torch.jit.script(B())\\n self.assertEqual(modelB(), 9)\",\n \" def test_addmm_grad(self):\\n \\\"\\\"\\\" This test checks several things:\\n 1. An expand node was inserted before the addmm operating on the\\n bias term.\\n 2. The fused form of addmm appears in the ultimate graph that's\\n executed.\\n 3. A sum op was emitted for accumulating gradients along the 0th\\n (expanded) dimension of the bias term.\\n 4. The correct symbolic representation for the backward pass of the\\n mm operator was emitted (x.t() -> mm)\",\n \" TODO: we should actually check these conditions once we have a way\\n to dump the GraphExecutor state. Namely the processed forward graph\\n and the backward graph.\\n \\\"\\\"\\\"\\n @torch.jit.script\\n def addmm_grad_test(b, x, w):\\n return torch.addmm(b, x, w)\",\n \" # Initialize param and input values\\n w_init = torch.rand(2, 5)\\n b_init = torch.rand(5)\\n x = torch.rand(3, 2)\",\n \" # Clone trainable params\\n b = b_init.clone()\\n b.requires_grad_()\\n w = w_init.clone()\\n w.requires_grad_()\",\n \" # Test symbolic differentiation\\n y = addmm_grad_test(b, x, w)\\n y.sum().backward()\",\n \" # clone params for autograd reference\\n b_ref = b_init.clone()\\n b_ref.requires_grad_()\\n w_ref = w_init.clone()\\n w_ref.requires_grad_()\\n y_ref = torch.addmm(b_ref, x, w_ref)\\n y_ref.sum().backward()\",\n \" self.assertEqual(w.grad, w_ref.grad)\\n self.assertEqual(b.grad, b_ref.grad)\",\n \" @unittest.skipIf(not RUN_CUDA, \\\"running tests on cuda to verify cudnn fix\\\")\\n def test_batch_norm_inference_backward_cuda(self):\\n with enable_profiling_mode_for_profiling_tests():\\n class MyBatchNorm(torch.nn.Module):\\n def __init__(self, num_features, affine, track_running_stats):\\n super(MyBatchNorm, self).__init__()\\n self.bn = torch.nn.BatchNorm2d(\\n num_features, 1e-5, affine=affine, track_running_stats=track_running_stats).float()\",\n \" def forward(self, x: torch.Tensor):\\n o = self.bn(x)\\n o = torch.nn.functional.relu(o)\\n return o\",\n \" batch = 4\\n c = 2\\n hw = 3\\n # Initialize param and input values\\n x_init = torch.randn(batch, c, hw, hw, dtype=torch.float).cuda()\\n grad = torch.randn(batch, c, hw, hw, dtype=torch.float).cuda()\",\n \" training = False\\n affine = True\\n track_running_stats = True\",\n \" module = torch.jit.script(MyBatchNorm(c, affine, track_running_stats)).cuda()\\n ref_module = MyBatchNorm(c, affine, track_running_stats).cuda()\\n module.eval()\\n ref_module.eval()\",\n \" jit_module = torch.jit.script(module)\\n ref_module.load_state_dict(module.state_dict())\",\n \" x = x_init.detach().clone()\\n x.requires_grad_()\\n x_ref = x_init.detach().clone()\\n x_ref.requires_grad_()\",\n \" # Test symbolic differentiation\\n # Run Forward and Backward thrice to trigger autodiff graph\\n for i in range(0, 3):\\n y = jit_module(x)\\n y.backward(grad)\\n x.grad.zero_()\",\n \" module.bn.running_mean.zero_()\\n module.bn.running_var.fill_(1.0)\\n ref_module.bn.running_mean.zero_()\\n ref_module.bn.running_var.fill_(1.0)\",\n \" # run jitted module\\n y = jit_module(x)\\n y.backward(grad)\\n # reference computation\\n y_ref = ref_module(x_ref)\\n y_ref.backward(grad)\",\n \" self.assertEqual(y_ref, y)\\n self.assertEqual(x.grad, x_ref.grad)\\n self.assertEqual(module.bn.running_mean, ref_module.bn.running_mean)\\n self.assertEqual(module.bn.running_var, ref_module.bn.running_var)\",\n \" def test_zeros(self):\\n class M(torch.jit.ScriptModule):\\n __constants__ = ['d']\",\n \" def __init__(self):\\n super(M, self).__init__()\\n self.d = torch.device('cpu')\",\n \" @torch.jit.script_method\\n def create(self):\\n return torch.zeros([1, 1, 2], dtype=torch.float, device=self.d, layout=torch.strided)\",\n \" r = M().create()\\n self.assertEqual(r.dtype, torch.float)\\n self.assertEqual(torch.zeros([1, 1, 2], dtype=torch.float), r)\",\n \" def fn():\\n return torch.zeros((1, 2, 3))\",\n \" self.checkScript(fn, ())\",\n \" def test_vararg_zeros(self):\\n def foo():\\n return torch.zeros(3, 4, 5, dtype=torch.int)\",\n \" self.checkScript(foo, ())\",\n \" @unittest.skipIf(GRAPH_EXECUTOR != ProfilingMode.LEGACY, \\\"the original version of test_rand\\\")\\n def test_rand(self):\\n def test_rand():\\n a = torch.rand([3, 4])\\n return a + 1.0 - a\",\n \" self.checkScript(test_rand, ())\\n fn = torch.jit.script(test_rand)\\n out = fn()\\n self.assertEqual(out.dtype, torch.double)\\n g = fn.graph_for()\\n # Testing shape analysis correctly setting type\\n if GRAPH_EXECUTOR != ProfilingMode.SIMPLE:\\n FileCheck().check(\\\"Double(*, *, requires_grad=0, device=cpu)\\\") \\\\\\n .check_not(\\\"Float(*, *, requires_grad=0, device=cpu)\\\").run(g)\",\n \" @torch.jit.script\\n def randint():\\n return torch.randint(0, 5, [1, 2])\\n out = randint()\\n self.assertEqual(out.dtype, torch.int64)\\n if GRAPH_EXECUTOR != ProfilingMode.SIMPLE:\\n FileCheck().check(\\\"Long(*, *, requires_grad=0, device=cpu)\\\") \\\\\\n .check_not(\\\"Float(*, *, requires_grad=0, device=cpu)\\\") \\\\\\n .check_not(\\\"Double(*, *, requires_grad=0, device=cpu)\\\") \\\\\\n .run(randint.graph_for())\",\n \" @unittest.skipIf(not RUN_CUDA, \\\"no CUDA\\\")\\n @unittest.skipIf(GRAPH_EXECUTOR != ProfilingMode.PROFILING, \\\"skip if profiling isn't enabled\\\")\\n def test_autodiff_complex(self):\\n def foo(x: torch.Tensor, y: torch.Tensor, W: torch.Tensor):\\n return torch.exp(torch.mm(torch.complex(x, y), W.cfloat()))\",\n \" @torch.jit.script\\n def jitted_foo(x: torch.Tensor, y: torch.Tensor, W: torch.Tensor):\\n return torch.exp(torch.mm(torch.complex(x, y), W.cfloat()))\",\n \" x = torch.randn(128, 16, dtype=torch.float32, device='cuda:0')\\n y = torch.randn(128, 16, dtype=torch.float32, device='cuda:0')\\n W = torch.randn(16, 1, dtype=torch.float32, device='cuda:0', requires_grad=True)\\n W.data /= 4\",\n \" with enable_profiling_mode_for_profiling_tests():\\n for i in range(4):\\n self.assertTrue((foo(x, y, W).grad_fn is None) == (jitted_foo(x, y, W).grad_fn is None))\",\n \"\\n def test_linear_grad(self):\\n with enable_profiling_mode_for_profiling_tests():\\n def t(x: torch.Tensor, w: torch.Tensor, b: Optional[torch.Tensor]):\\n return torch.nn.functional.linear(x, w, b)\",\n \" x_init = torch.randn(4, 2)\\n w_init = torch.randn(3, 2)\\n b_init = torch.randn(3)\\n grad = torch.randn(4, 3)\",\n \" with disable_autodiff_subgraph_inlining():\\n # script module\\n jit_t = torch.jit.script(t)\",\n \" x = x_init.detach().requires_grad_()\\n w = w_init.detach().requires_grad_()\\n b = b_init.detach().requires_grad_()\\n x_ref = x_init.detach().requires_grad_()\\n w_ref = w_init.detach().requires_grad_()\\n b_ref = b_init.detach().requires_grad_()\",\n \" # profiling/optimization runs\\n jit_o = jit_t(x, w, b)\\n jit_o.backward(grad)\\n jit_o = jit_t(x, w, b)\\n jit_o.backward(grad)\",\n \" x.grad.zero_()\\n w.grad.zero_()\\n b.grad.zero_()\\n jit_o = jit_t(x, w, b)\\n jit_o.backward(grad)\\n o = t(x_ref, w_ref, b_ref)\\n o.backward(grad)\",\n \" self.assertEqual(jit_o, o)\\n self.assertEqual(x.grad, x_ref.grad)\\n self.assertEqual(w.grad, w_ref.grad)\\n self.assertEqual(b.grad, b_ref.grad)\",\n \" x.grad.zero_()\\n w.grad.zero_()\\n x_ref.grad.zero_()\\n w_ref.grad.zero_()\\n jit_o = jit_t(x, w, None)\\n jit_o.backward(grad)\\n o = t(x_ref, w_ref, None)\\n o.backward(grad)\",\n \" self.assertEqual(jit_o, o)\\n self.assertEqual(x.grad, x_ref.grad)\\n self.assertEqual(w.grad, w_ref.grad)\",\n \" @unittest.skipIf(GRAPH_EXECUTOR != ProfilingMode.PROFILING, \\\"the profiling version of test_rand\\\")\\n def test_rand_profiling(self):\\n def test_rand():\\n a = torch.rand([3, 4])\\n return a + 1.0 - a\",\n \" # Testing shape analysis correctly setting type\\n with enable_profiling_mode_for_profiling_tests():\\n with num_profiled_runs(1):\\n fn = torch.jit.script(test_rand)\\n out = fn()\\n graph_str = torch.jit.last_executed_optimized_graph()\\n self.assertEqual(out.dtype, torch.double)\\n FileCheck().check(\\\"Double(3, 4, strides=[4, 1], requires_grad=0, device=cpu)\\\") \\\\\\n .check_not(\\\"Float(3, 4, strides=[4, 1], requires_grad=0, device=cpu)\\\").run(graph_str)\",\n \" # fn = self.checkScript(test_rand, ())\\n # out = fn()\\n # self.assertEqual(out.dtype, torch.double)\",\n \" @torch.jit.script\\n def randint():\\n return torch.randint(0, 5, [1, 2])\",\n \" with enable_profiling_mode_for_profiling_tests():\\n with num_profiled_runs(1):\\n out = randint()\\n graph_str = torch.jit.last_executed_optimized_graph()\\n self.assertEqual(out.dtype, torch.int64)\\n FileCheck().check(\\\"profiled_type=Long(1, 2, strides=[2, 1], requires_grad=0, device=cpu)\\\").run(graph_str)\",\n \"\\n def test_erase_number_types(self):\\n def func(a):\\n b = 7 + 1 + 3\\n c = a + b\\n c += b\\n return c\",\n \" graph = torch.jit.script(func).graph\\n FileCheck().check(\\\"int = prim::Constant\\\").check(\\\"aten::add_\\\").run(str(graph))\\n self.run_pass(\\\"erase_number_types\\\", graph)\\n FileCheck().check_not(\\\"int = prim::Constant\\\").run(str(graph))\",\n \" def test_refine_tuple_types(self):\\n # TupleConstruct output type is not correct here.\\n graph_str = \\\"\\\"\\\"\\n graph(%a : Float(123), %b : Float(4, 5, 6)):\\n %c : (Tensor, Tensor) = prim::TupleConstruct(%a, %b)\\n return (%c)\\n \\\"\\\"\\\"\\n graph = parse_ir(graph_str)\\n torch._C._jit_pass_refine_tuple_types(graph)\",\n \" # After the pass, the output type should've been updated.\\n self.assertTrue('(Float(123), Float(4, 5, 6))' in str(graph.findNode('prim::TupleConstruct').output()))\",\n \" # TODO(henrytu): Add test for RefineTypes for NamedTuple when it's supported by IR parser.\",\n \" def test_remove_dropout(self):\\n weight_0_shape = (20, 5)\\n weight_1_shape = (20, 20)\\n input_shape = (10, 5)\",\n \" class M(torch.nn.Module):\\n def __init__(self):\\n super(M, self).__init__()\\n self.weight_0 = torch.nn.Parameter(torch.rand(weight_0_shape))\\n self.weight_1 = torch.nn.Parameter(torch.rand(weight_1_shape))\",\n \" def forward(self, x):\\n o = F.linear(x, self.weight_0)\\n o = F.dropout(o, training=self.training)\\n o = F.linear(o, self.weight_1)\\n return o\",\n \" data = torch.rand(input_shape)\\n m = M()\\n m = torch.jit.script(m)\\n with self.assertRaisesRegex(RuntimeError, r'Dropout removal module in training mode is not yet supported'):\\n torch._C._jit_pass_remove_dropout(m._c)\\n m.eval()\\n ref_res = m(data)\\n # Need to inline otherwise we see instances of Function.\\n # We would have to use torch.linear/dropout to get around it otherwise.\\n from torch.jit._recursive import wrap_cpp_module\\n m = wrap_cpp_module(torch._C._freeze_module(m._c))\\n torch._C._jit_pass_remove_dropout(m._c)\\n res = m(data)\\n FileCheck().check_not(\\\"aten::dropout\\\").run(str(m.graph))\\n torch.testing.assert_close(ref_res, res, rtol=1e-2, atol=1e-3)\",\n \" def test_unfold_zero_dim(self):\\n def fn(x):\\n return x.unfold(0, 1, 1)\",\n \" graph = torch.jit.script(fn).graph\\n torch._C._jit_pass_complete_shape_analysis(graph, (torch.tensor(0.39),), False)\\n out_dims = fn(torch.tensor(0.3923)).ndim\\n self.assertEqual(graph.findNode(\\\"aten::unfold\\\").output().type().dim(), out_dims)\",\n \" def test_mm_batching(self):\",\n \" with enable_profiling_mode_for_profiling_tests():\\n lstm_cell = torch.jit.script(LSTMCellS)\",\n \" def lstm(x, hx, cx, w_ih, w_hh, b_ih, b_hh):\\n for i in range(x.size(0)):\\n hx, cx = lstm_cell(x[i], hx, cx, w_ih, w_hh, b_ih, b_hh)\\n return hx\",\n \" slstm = torch.jit.script(lstm)\",\n \" inputs = get_lstm_inputs('cpu', training=True, seq_length=10)\\n slstm(*inputs, profile_and_replay=True).sum().backward(retain_graph=True)\\n if GRAPH_EXECUTOR == ProfilingMode.PROFILING:\\n slstm(*inputs, profile_and_replay=True).sum().backward()\",\n \" fw_graph = slstm.graph_for(*inputs)\\n if GRAPH_EXECUTOR == ProfilingMode.LEGACY:\\n bw_graph = backward_graph(slstm, diff_graph_idx=0)\\n self.assertTrue('prim::MMBatchSide' in str(fw_graph))\\n self.assertTrue('prim::MMTreeReduce' in str(bw_graph))\",\n \" sout = slstm(*inputs)\\n out = lstm(*inputs)\\n self.assertEqual(sout, out)\\n self.assertEqual(torch.autograd.grad(sout.sum(), inputs),\\n torch.autograd.grad(out.sum(), inputs))\",\n \" def test_loop_unrolling(self):\\n def fn(x):\\n y = 0\\n for i in range(int(x)):\\n y -= i\\n return y\",\n \" graph = torch.jit.script(fn).graph\\n self.run_pass('loop_unrolling', graph)\\n unroll_factor = 8\\n FileCheck().check(\\\"prim::Loop\\\").check_count(\\\"aten::sub\\\", unroll_factor) \\\\\\n .check(\\\"prim::Loop\\\").check(\\\"aten::sub\\\").run(str(graph))\\n self.checkScript(fn, (torch.tensor(10),))\",\n \" def test_loop_unrolling_const(self):\\n def fn():\\n y = 0\\n for _ in range(10):\\n y -= 1\\n return y\",\n \" def fn2():\\n y = 0\\n for i in range(10):\\n y -= i\\n return y\",\n \" def check(fn, name):\\n graph = torch.jit.script(fn).graph\\n self.run_pass('loop_unrolling', graph)\\n # entirely unrolled\\n FileCheck().check_not(\\\"prim::Loop'\\\").run(str(graph))\\n self.checkScript(fn, ())\",\n \" check(fn, 'add_const')\\n check(fn2, 'add_iter')\",\n \" def test_loop_unrolling_nested(self):\\n def fn(x):\\n y = 0\\n for _ in range(10):\\n for j in range(int(x)):\\n y -= j\\n return y\",\n \" graph = torch.jit.script(fn).graph\\n self.run_pass('loop_unrolling', graph)\\n # inner loop with 8 subs followed by loop epilogue\\n unroll_factor = 8\\n FileCheck().check(\\\"prim::Loop\\\").check(\\\"prim::Loop\\\").check_count('aten::sub', unroll_factor) \\\\\\n .check(\\\"prim::Loop\\\").check(\\\"aten::sub\\\").run(str(graph))\\n self.checkScript(fn, (torch.tensor(10),))\",\n \" def test_loop_unroll_unused_counter(self):\\n def fn(x):\\n y = 0\\n for _ in range(int(x)):\\n y -= 1\\n return y\",\n \" graph = torch.jit.script(fn).graph\\n self.run_pass('loop_unrolling', graph)\\n FileCheck().check(\\\"prim::Loop\\\").check_not(\\\"aten::add\\\").check(\\\"return\\\") \\\\\\n .run(str(graph))\",\n \" def test_loop_unroll_negative(self):\\n def fn(x):\\n y = 0\\n for _ in range(int(x)):\\n y += 1\\n return y\",\n \" self.checkScript(fn, (torch.tensor(-20),))\\n self.checkScript(fn, (torch.tensor(-2),))\\n self.checkScript(fn, (torch.tensor(-1),))\\n self.checkScript(fn, (torch.tensor(0),))\\n self.checkScript(fn, (torch.tensor(1),))\\n self.checkScript(fn, (torch.tensor(2),))\",\n \" def test_where(self):\\n def fn(x, y):\\n return torch.where(x > 0.0, x, y)\",\n \" self.checkScript(fn, (torch.randn(3, 2, dtype=torch.float), torch.ones(3, 2, dtype=torch.float)))\",\n \" def test_where_method(self):\\n def fn(x, y):\\n return x.where(x > 0.0, y)\",\n \" self.checkScript(fn, (torch.randn(3, 2, dtype=torch.float), torch.ones(3, 2, dtype=torch.float)))\",\n \" def test_union_to_number(self):\\n @torch.jit.script\\n def fn(x: Union[int, complex, float], y: Union[int, complex, float]):\\n return x + y\\n FileCheck().check(\\\": Scalar):\\\").run(fn.graph)\",\n \" def test_reassign_module_lhs(self):\\n with self.assertRaisesRegex(RuntimeError, 'Cannot re-assign \\\\'self\\\\''):\\n class ReassignSelfLHS(torch.jit.ScriptModule):\\n @torch.jit.script_method\\n def forward(self, x):\\n for _ in range(20):\\n self = x\\n return self\",\n \" ReassignSelfLHS()\",\n \" def test_reassign_module_rhs(self):\\n with self.assertRaisesRegex(RuntimeError, 'Cannot re-assign \\\\'x\\\\' to a value of type module'):\\n class ReassignSelfRHS(torch.jit.ScriptModule):\\n @torch.jit.script_method\\n def forward(self, x):\\n for _ in range(20):\\n x = self\\n return self\",\n \" ReassignSelfRHS()\",\n \" def test_unknown_builtin(self):\\n with self.assertRaisesRegex(RuntimeError, 'object has no attribute or method'):\\n @torch.jit.script\\n def unknown_builtin(x):\\n return x.splork(3)\",\n \" def test_return_tuple(self):\\n def return_tuple(x):\\n a = (x, x)\\n return a, x\\n self.checkScript(return_tuple, (torch.rand(4),))\",\n \" def test_add_tuple_optional(self):\\n def foo(input: Tuple[torch.Tensor, Optional[torch.Tensor], Optional[torch.Tensor]]) -> Optional[torch.Tensor]:\\n changed_input = input[0] + 1\\n value: Tuple[torch.Tensor, Optional[torch.Tensor], Optional[torch.Tensor]] = (changed_input,) + input[1:]\\n return value[2]\\n inp: Tuple[torch.Tensor, Optional[torch.Tensor], Optional[torch.Tensor]] = (torch.rand(4), None, None)\\n self.checkScript(foo, (inp,))\",\n \" def test_add_tuple_non_optional(self):\\n def foo(input: Tuple[torch.Tensor, torch.Tensor, torch.Tensor]) -> torch.Tensor:\\n changed_input = input[0] + 1\\n value: Tuple[torch.Tensor, torch.Tensor, torch.Tensor] = (changed_input,) + input[1:]\\n return torch.sum(value[2]) + 4\\n inp: Tuple[torch.Tensor, torch.Tensor, torch.Tensor] = (torch.rand(4), torch.rand(4), torch.rand(4))\\n self.checkScript(foo, (inp,))\",\n \" def test_add_tuple_different_types(self):\\n def foo(a: Tuple[int, float], b: Tuple[int]) -> int:\\n c: Tuple[int, float, int] = a + b\\n d: Tuple[int, float, int, int] = c + b\\n return d[3] + 1\\n a = (1, 2.0)\\n b = (3,)\\n self.checkScript(foo, (a, b))\",\n \" def test_add_tuple_same_types(self):\\n def foo(a: Tuple[int, int], b: Tuple[int, int, int]) -> int:\\n c: Tuple[int, int, int, int, int] = a + b\\n d: Tuple[int, int, int, int, int, int, int, int] = c + b\\n return d[6] - 2\\n a = (1, 2)\\n b = (3, 4, 5)\\n self.checkScript(foo, (a, b))\",\n \" def test_method_no_self(self):\\n with self.assertRaisesRegex(RuntimeError, 'methods must have a self argument'):\\n class MethodNoSelf(torch.jit.ScriptModule):\\n @torch.jit.script_method # noqa: B902\\n def forward(): # noqa: B902\\n return torch.zeros(3, 4)\",\n \" MethodNoSelf()\",\n \" def test_return_stmt_not_at_end(self):\\n def return_stmt(x):\\n if bool(x > 3):\\n return x + 3\\n else:\\n return x\\n self.checkScript(return_stmt, (torch.rand(1),))\",\n \" def test_for_in_range(self):\\n def fn():\\n c = 0\\n for i in range(100):\\n c += i\\n return c\\n self.checkScript(fn, ())\",\n \" def test_for_in_range_dynamic(self):\\n def fn():\\n c = 0\\n for i in range(100):\\n acc = 0\\n for j in range(i):\\n acc += j\\n c += acc\\n return c\\n self.checkScript(fn, (), optimize=False)\",\n \" def test_for_in_range_ast(self):\\n def test_script_for_in_range_ast():\\n c = 0\\n for i in range(100):\\n acc = 0\\n for j in range(i):\\n acc += j\\n c += acc\\n return c\",\n \" self.checkScript(test_script_for_in_range_ast, ())\",\n \" def test_for_in_range_if_ast(self):\\n @torch.jit.script\\n def test_script_for_in_range_if_ast(x):\\n output = x\\n for i in range(20):\\n if i == 0:\\n output = x.unsqueeze(0)\\n else:\\n output = torch.cat((output, x.unsqueeze(0)), dim=0)\\n return output\\n inputs = self._make_scalar_vars([0], torch.int64)\",\n \" self.assertEqual(test_script_for_in_range_if_ast(*inputs).shape[0], 20)\",\n \" def test_for_in_range_start_end(self):\\n def fn():\\n x = 0\\n for i in range(7, 100):\\n x += i\\n return x\\n self.checkScript(fn, ())\",\n \" def test_for_in_range_start_end_step(self):\\n def fn(start, end, step):\\n # type: (int, int, int) -> int\\n x = 0\\n for i in range(start, end, step):\\n x += i\\n return x\",\n \" self.checkScript(fn, (7, 100, 7))\\n self.checkScript(fn, (7, 100, -7))\\n self.checkScript(fn, (2, -11, -3))\\n self.checkScript(fn, (2, -11, 3))\\n self.checkScript(fn, (2, 10, 3))\\n self.checkScript(fn, (-2, -10, -10))\",\n \" def test_for_in_range_zero_step(self):\\n @torch.jit.script\\n def fn():\\n x = 0\\n for i in range(2, -11, 0):\\n x += i\\n return x\",\n \" with self.assertRaisesRegex(RuntimeError, \\\"must not be zero\\\"):\\n fn()\",\n \" def test_range_args(self):\\n with self.assertRaisesRegex(RuntimeError, r'range expected at least 1 arguments, got 0'):\\n @torch.jit.script\\n def range_no_arg(x):\\n for _ in range():\\n x += 1\\n return x\\n with self.assertRaisesRegex(RuntimeError, r'found float'):\\n @torch.jit.script\\n def range_non_float():\\n for i in range(.5):\\n print(i)\",\n \" def test_parse_empty_tuple_annotation(self):\\n cu = torch.jit.CompilationUnit('''\\n def foo(x : Tuple[()]) -> Tuple[()]:\\n return x\\n ''')\",\n \" foo_code = cu.find_function('foo').code\\n FileCheck().check(\\\"Tuple[()]\\\").check(\\\"Tuple[()]\\\").run(foo_code)\",\n \" def test_parse_empty_tuple_annotation_element_error(self):\\n with self.assertRaisesRegex(\\n RuntimeError, 'Tuple literal in Tuple type annotation must not have any elements'):\\n cu = torch.jit.CompilationUnit('''\\n def foo(x : Tuple[(int,)]) -> Tuple[(int,)]:\\n return x\\n ''')\",\n \" def test_parse_none_type_annotation(self):\\n cu = torch.jit.CompilationUnit('''\\n def foo(x : NoneType) -> NoneType:\\n return x\\n ''')\",\n \" foo_code = cu.find_function('foo').code\\n FileCheck().check(\\\": NoneType\\\").check(\\\"-> NoneType\\\").run(foo_code)\",\n \" def test_empty_tuple_str(self):\\n empty_tuple_type = torch._C.TupleType([])\\n g = {'Tuple' : typing.Tuple}\\n python_type = eval(empty_tuple_type.annotation_str, g)\\n assert python_type is typing.Tuple[()]\",\n \" def test_none_type_str(self):\\n none_type = torch._C.NoneType.get()\\n g = {'NoneType' : type(None)}\\n python_type = eval(none_type.annotation_str, g)\\n assert python_type is type(None)\",\n \" @skipIfTorchDynamo(\\\"TorchDynamo fails with unknown reason\\\")\\n def test_zip_enumerate_modulelist(self):\\n class Sub(torch.nn.Module):\\n def __init__(self):\\n super(Sub, self).__init__()\",\n \" def forward(self, thing):\\n return thing - 2\",\n \" class Double(torch.nn.Module):\\n def __init__(self):\\n super(Double, self).__init__()\",\n \" def forward(self, thing):\\n return thing * 2\",\n \" # zipping over two\\n class ZipModLists(torch.nn.Module):\\n def __init__(self, mods, mods2):\\n super(ZipModLists, self).__init__()\\n self.mods = mods\\n self.mods2 = mods2\",\n \" def forward(self, x):\\n iter = 0\\n for mod1, mod2 in zip(self.mods, self.mods2):\\n x = mod2(mod1(x))\\n iter += 1\\n return x, iter\",\n \" class ZipWithValues(torch.nn.Module):\\n __constants__ = ['tup_larger', 'tup_smaller']\",\n \" def __init__(self, mods, mods2):\\n super(ZipWithValues, self).__init__()\\n self.mods = mods\\n self.mods2 = mods2\\n self.tup_larger = list(range(len(mods2) + 1))\\n self.tup_smaller = list(range(max(len(mods2) + 1, 1)))\",\n \" def forward(self, x):\\n iter = 0\\n x2 = x\\n for val, mod1, mod2 in zip(self.tup_larger, self.mods, self.mods2):\\n x = mod2(mod1(x)) + val\\n iter += 1\\n for val, mod1, mod2 in zip(self.tup_smaller, self.mods, self.mods2):\\n x2 = mod2(mod1(x2)) + val\\n iter += 1\\n return x, iter\",\n \" mods = nn.ModuleList([Double()]), nn.ModuleList([Double(), Sub(), Sub()]), nn.ModuleList([Sub(), Double()])\\n for i in range(len(mods)):\\n for j in range(len(mods)):\\n mod = ZipModLists(mods[i], mods[j])\\n self.checkModule(mod, (torch.tensor(.5),))\\n mod2 = ZipWithValues(mods[i], mods[j])\\n self.checkModule(mod2, (torch.tensor(.5),))\",\n \"\\n def test_enumerate_modlist_range(self):\\n class Double(torch.nn.Module):\\n def forward(self, thing):\\n return thing * 2\",\n \" class Mod(torch.nn.Module):\\n def __init__(self):\\n super(Mod, self).__init__()\\n self.mods = nn.ModuleList([Double(), Double()])\",\n \" def forward(self, x):\\n x2 = x\\n iter = 0\\n for val, mod in enumerate(self.mods):\\n x2 = mod(x2) * val\\n iter += 1\\n return iter, x, x2\",\n \" self.checkModule(Mod(), (torch.tensor(.5),))\",\n \" # variable length, modulelist\\n class Mod2(Mod):\\n def forward(self, x):\\n for val, mod in zip(range(int(x)), self.mods):\\n x = mod(x) * val\\n return x\",\n \" with self.assertRaisesRegex(Exception, \\\"that does not have a statically determinable length\\\"):\\n torch.jit.script(Mod2())\",\n \" # modulelist, variable length\\n class Mod3(Mod):\\n def forward(self, x):\\n for val, mod in zip(self.mods, range(int(x))):\\n x = mod(x) * val\\n return x\",\n \" with self.assertRaisesRegex(Exception, \\\"that does not have a statically determinable length\\\"):\\n torch.jit.script(Mod3())\",\n \" def test_for_in_enumerate(self):\\n def fn(x):\\n # type: (List[int]) -> int\\n sum = 0\\n for (i, v) in enumerate(x):\\n sum += i * v\",\n \" return sum\",\n \" self.checkScript(fn, ([1, 2, 3, 4, 5],))\",\n \" def fn_enumerate_start_arg(x):\\n # type: (List[int]) -> int\\n sum = 0\\n for (i, v) in enumerate(x, 1):\\n sum += i * v\",\n \" return sum\",\n \" self.checkScript(fn_enumerate_start_arg, ([1, 2, 3, 4, 5],))\",\n \" def fn_enumerate_start_kwarg(x):\\n # type: (List[int]) -> int\\n sum = 0\\n for (i, v) in enumerate(x, start=1):\\n sum += i * v\",\n \" return sum\",\n \" self.checkScript(fn_enumerate_start_kwarg, ([1, 2, 3, 4, 5],))\",\n \" def fn_nested_enumerate(x):\\n # type: (List[int]) -> int\\n sum = 0\\n for (i, (j, v)) in enumerate(enumerate(x)):\\n sum += i * j * v\",\n \" return sum\",\n \" self.checkScript(fn_nested_enumerate, ([1, 2, 3, 4, 5],))\",\n \" with self.assertRaisesRegex(RuntimeError, r'enumerate expected at least 1 arguments, got 0'):\\n @torch.jit.script\\n def enumerate_no_arg(x):\\n # type: (List[int]) -> int\\n sum = 0\\n for _ in enumerate():\\n sum += 1\",\n \" return sum\",\n \" with self.assertRaisesRegex(RuntimeError, r'enumerate expected at most 2 arguments, got 3'):\\n @torch.jit.script\\n def enumerate_too_many_args(x):\\n # type: (List[int]) -> int\\n sum = 0\\n for _ in enumerate(x, x, x):\\n sum += 1\",\n \" return sum\",\n \" def test_list_comprehension_modulelist(self):\\n class Inner(torch.nn.Module):\\n def forward(self, x):\\n return x + 10\",\n \" class M(torch.nn.Module):\\n def __init__(self, mod_list):\\n super(M, self).__init__()\\n self.module_list = mod_list\",\n \" def forward(self, x):\\n out = torch.jit.annotate(List[Tensor], [mod(x) for mod in self.module_list])\\n return out\",\n \" mod = M(nn.ModuleList([Inner(), Inner()]))\\n self.checkModule(mod, (torch.tensor(3),))\",\n \" mod = M(nn.ModuleList([]))\\n torch.jit.script(mod)\",\n \" class M2(M):\\n def __init__(self, mod_list):\\n super(M2, self).__init__(mod_list)\",\n \" def forward(self, x):\\n out = [mod(x) for mod in self.module_list]\\n return out\",\n \" mod = M2(nn.ModuleList([Inner(), Inner()]))\\n self.checkModule(mod, (torch.tensor(3),))\",\n \" mod = M2(nn.ModuleList([]))\\n # defaults to List of Tensor for empty modulelist\\n self.assertEqual(torch.jit.script(mod)(torch.tensor(.5)), [])\",\n \" def bad_type_annotation():\\n out = torch.jit.annotate(int, [x for x in [1, 2, 3]]) # noqa: C416\\n return out\",\n \" with self.assertRaisesRegex(Exception, \\\"Expected an annotation\\\"\\n \\\" of type List\\\"):\\n torch.jit.script(bad_type_annotation)\",\n \" def test_list_comprehension_variable_write(self):\\n # i in comprehension doesn't write to function scope\\n def foo():\\n i = 1\\n x = [i if i != 5 else 3 for i in range(7)] # noqa: C416\\n return i, x\",\n \" self.assertEqual(foo(), torch.jit.script(foo)())\",\n \" def test_for_in_zip(self):\\n def fn(x, y):\\n # type: (List[int], List[int]) -> int\\n sum = 0\\n for (i, j) in zip(x, y):\\n sum += i * j\",\n \" return sum\",\n \" self.checkScript(fn, ([1, 2, 3, 4, 5], [2, 3, 4, 5, 6]))\",\n \" def fn_multi_inputs(x, y, z):\\n # type: (List[int], List[int], List[int]) -> int\\n sum = 0\\n for (i, j, k) in zip(x, y, z):\\n sum += i * j * k\",\n \" return sum\",\n \" self.checkScript(fn_multi_inputs, ([1, 2, 3, 4], [2, 3, 4, 5], [3, 4, 5, 6]))\",\n \" def fn_nested_zip(x, y, z):\\n # type: (List[int], List[int], List[int]) -> int\\n sum = 0\\n for (i, (j, k)) in zip(x, zip(y, z)):\\n sum += i * j * k\",\n \" return sum\",\n \" self.checkScript(fn_multi_inputs, ([1, 2, 3, 4], [2, 3, 4, 5], [3, 4, 5, 6]))\",\n \" with self.assertRaisesRegex(RuntimeError, r'zip expected at least 1 arguments, got 0'):\\n @torch.jit.script\\n def zip_no_arg(x):\\n # type: (List[int]) -> int\\n sum = 0\\n for _ in zip():\\n sum += 1\",\n \" return sum\",\n \" with self.assertRaisesRegex(RuntimeError, r'too many values to unpack: need 2 but found 3'):\\n @torch.jit.script\\n def fn_nested_zip_wrong_target_assign(x, y, z):\\n # type: (List[int], List[int], List[int]) -> int\\n sum = 0\\n for (i, (j, k)) in zip(x, y, z):\\n sum += i * j * k\",\n \" return sum\",\n \" def test_for_in_zip_enumerate(self):\\n def fn_zip_enumerate(x, y):\\n # type: (List[int], List[int]) -> int\\n sum = 0\\n for (i, (j, v), k) in zip(x, enumerate(y), range(0, 100)):\\n sum += i * j * v * k\",\n \" return sum\",\n \" self.checkScript(fn_zip_enumerate, ([1, 2, 3, 4], [2, 3, 4, 5]))\",\n \" def fn_enumerate_zip(x, y):\\n # type: (List[int], List[int]) -> int\\n sum = 0\\n for (i, (j, v)) in enumerate(zip(x, y)):\\n sum += i * j * v\",\n \" return sum\",\n \" self.checkScript(fn_enumerate_zip, ([1, 2, 3, 4], [2, 3, 4, 5]))\",\n \" def test_for_in_tensors(self):\\n def test_sizes(x):\\n sumz = 0\\n for s in x:\\n sumz += 1\\n return sumz\\n self.checkScript(test_sizes, (torch.rand(5, 4, 3, 2, 1),))\\n self.checkScript(test_sizes, (torch.rand(777),))\\n self.checkScript(test_sizes, (torch.rand(0),))\",\n \" def test_for_in_tensors_rank0(self):\\n with self.assertRaisesRegex(RuntimeError, \\\"of a 0-d tensor\\\"):\\n @torch.jit.script\\n def test_sizes(x):\\n sumz = 0\\n for s in x:\\n sumz += 1\\n return sumz\",\n \" test_sizes(torch.tensor(1))\",\n \" def test_for_in_tensors_fail_scalar(self):\\n with self.assertRaisesRegex(RuntimeError, \\\"'float' object is not iterable\\\"):\\n @torch.jit.script\\n def test_sizes(x):\\n # type: (float) -> int\\n sumz = 0\\n for s in x:\\n sumz += 1\\n return sumz\",\n \" test_sizes(0.0)\",\n \" def test_for_in_tensors_nested(self):\\n def test_sizes(x):\\n sumz = 0\\n for n in x:\\n for t in n:\\n sumz += 1\\n return sumz\",\n \" self.checkScript(test_sizes, (torch.rand(5, 4, 3, 2, 1),))\",\n \" # to avoid defining sum_list in multiple tests\\n def get_sum_list_fn(self):\\n def sum_list(a):\\n # type: (List[int]) -> int\\n sum = 0\\n for i in a:\\n sum += i\",\n \" return sum\",\n \" return sum_list\",\n \" def test_sum_list_diff_elms(self):\\n self.checkScript(self.get_sum_list_fn(), ([1, 2, 3, 4, 5],))\",\n \" def test_sum_list_empty(self):\\n self.checkScript(self.get_sum_list_fn(), ([],))\",\n \" def test_sum_list_one(self):\\n self.checkScript(self.get_sum_list_fn(), ([1],))\",\n \" def test_sum_list_literal(self):\",\n \" def sum_list():\\n # type: () -> int\\n sum = 0\\n for i in [1, 2, 3, 4, 5]:\\n sum += i\",\n \" return sum\",\n \" self.checkScript(sum_list, ())\",\n \" def test_sum_list_wrong_type(self):\",\n \" with self.assertRaisesRegex(RuntimeError, \\\"'int' object is not iterable\\\"):\\n @torch.jit.script\\n def sum_list(a):\\n # type: (int) -> int\\n sum = 0\\n for i in a: # noqa: T484\\n sum += i\",\n \" return sum\",\n \" sum_list(1)\",\n \" def test_list_iterables(self):\\n with self.assertRaisesRegex(RuntimeError, 'List of iterables is not supported currently'):\\n cu = torch.jit.CompilationUnit('''\\n def list_iterables(x):\\n for i, j in [2, 3, 4], [5, 6, 7]:\\n x += i\\n x += j\\n return x\\n ''')\",\n \" def test_for_in_string(self):\\n def test_strings(x):\\n # type: (str) -> str\\n reverse = \\\"\\\"\\n for c in x:\\n reverse = c + reverse\\n return reverse\",\n \" self.checkScript(test_strings, (\\\"hello\\\",))\\n self.checkScript(test_strings, (\\\"\\\",))\",\n \" def test_list_strings(x):\\n # type: (List[str]) -> str\\n result = \\\"\\\"\\n for sub_str in x:\\n result += sub_str\\n return result\",\n \" self.checkScript(test_list_strings, ([\\\"hello\\\", \\\"world\\\"],))\\n self.checkScript(test_list_strings, ([\\\"hello\\\", \\\" \\\", \\\"world\\\", \\\"\\\"],))\",\n \" def test_for_in_dict(self):\\n def test_dicts(x):\\n # type: (Dict[str, int]) -> int\\n sum = 0\\n for key in x:\\n sum += x[key]\\n return sum\",\n \" self.checkScript(test_dicts, ({\\\"a\\\": 1, \\\"b\\\": 2, \\\"c\\\": 3},))\",\n \" def test_dict_keys_values(x):\\n # type: (Dict[str, int]) -> Tuple[str, int]\\n key_str = \\\"\\\"\\n sum = 0\\n for key in x.keys():\\n key_str += key\\n for val in x.values():\\n sum += val\\n return key_str, sum\",\n \" self.checkScript(test_dicts, ({\\\"a\\\": 1, \\\"b\\\": 2, \\\"c\\\": 3},))\",\n \" def test_for_tuple_unpack(self):\\n def for_tuple_unpack(x, y):\\n for i, j in [[3, 4], [5, 6], [7, 8]]:\\n x += i\\n y += j\\n return x, y\",\n \" self.checkScript(for_tuple_unpack, (torch.tensor(3), torch.tensor(5)))\",\n \" def nested_tuple_unpack(x, y):\\n # type: (List[int], List[int]) -> int\\n sum = 0\\n for i, (j, k), v in zip(x, enumerate(x), y):\\n sum += i + j + k + v\\n return sum\",\n \" self.checkScript(nested_tuple_unpack, ([1, 3, 5], [2, 4, 6]))\",\n \" def test_for_tuple_assign(self):\\n def test_simple_assign(x):\\n # type: (Tuple[int, float]) -> float\\n sum = 0.0\\n for a in x:\\n sum += float(a)\\n return sum\",\n \" self.checkScript(test_simple_assign, ((1, 2.5),))\",\n \" def test_tuple_assign(x):\\n # type: (Tuple[Tuple[int, int], Tuple[int, int]]) -> int\\n sum = 0\\n for a in x:\\n sum += a[0]\\n sum += a[1]\\n return sum\",\n \" self.checkScript(test_tuple_assign, (((1, 2), (4, 7)), ))\",\n \" def test_single_starred_lhs(self):\\n with self.assertRaisesRegex(RuntimeError, 'A Starred expression may only appear on the lhs within the presence'\\n ' of another non-starred expression'):\\n cu = torch.jit.CompilationUnit('''\\n def single_starred_lhs(x):\\n a = (x, x, x)\\n *b, = a\\n return b\\n ''')\",\n \" def test_singleton_tuple_unpack(self):\\n def foo(a):\\n b, = (a,)\\n return b + 1\\n self.checkScript(foo, (torch.rand(3),))\",\n \" def test_tuple_assignments(self):\\n def var_tuple_assign(x, y):\\n # type: (Tuple[Tensor, Tensor], Tensor) -> Tensor\\n (a, b), c = x, y\\n return a + b + c\",\n \" tuple_inputs = (torch.randn(1, 4), torch.randn(3, 4))\\n self.checkScript(var_tuple_assign, (tuple_inputs, torch.randn(3, 4)))\",\n \" def nested_tuple_assign(x, y, z):\\n # type: (int, Tuple[int, Tuple[int, int]], Tuple[int, int]) -> int\\n a, (b, (c, d)), (e, f) = x, y, z\\n return a + b + c + d + e + f\",\n \" self.checkScript(nested_tuple_assign, ((1, (2, (3, 4)), (5, 6))))\",\n \" def subscript_tuple_assign(a, x, i):\\n # type: (List[int], Tensor, int) -> Tuple[int, Tensor, int]\\n a[i], (x[i], b) = 1, (2, 3)\\n return a[i] + 1, x + 5, b\",\n \" self.checkScript(subscript_tuple_assign, ([12, 7, 9, 11], torch.tensor((3, 13, 17)), 0))\",\n \" def star_tuple_assign():\\n # type: () -> Tuple[int, int, Tuple[int, int], Tuple[int, int]]\\n a, (b, *c), *d = 1, (2, 3, 4), 5, 6\\n return a, b, c, d\",\n \" self.checkScript(star_tuple_assign, ())\",\n \" def subscript_tuple_augmented_assign(a):\\n # type: (Tuple[int, int]) -> Tuple[int, int]\\n a[0] += 1\\n return a\",\n \" with self.assertRaisesRegex(RuntimeError, 'does not support augmented assign'):\\n scripted_aug_assign = torch.jit.script(subscript_tuple_augmented_assign)\",\n \" class AttrTupleAssignmentTestClass:\\n def __init__(self, a: int, b: int):\\n self.a = a\\n self.b = b\",\n \" def set_ab(self, a: int, b: int):\\n self.a, self.b = (a, b)\",\n \" def get(self) -> Tuple[int, int]:\\n return (self.a, self.b)\",\n \" make_global(AttrTupleAssignmentTestClass)\",\n \" @torch.jit.script\\n def attr_tuple_assignment(o: AttrTupleAssignmentTestClass, a: int, b: int):\\n o.set_ab(a, b)\\n return o\",\n \" o = AttrTupleAssignmentTestClass(1, 2)\\n self.assertEqual(attr_tuple_assignment(o, 3, 4).get(), (3, 4))\",\n \" def test_multiple_assign(self):\\n def test():\\n a = b, c = d, f = (1, 1)\",\n \" # side effect\\n ten = torch.tensor(1)\\n ten1 = ten2 = ten.add_(1)\",\n \" # ordering\\n x = 1\\n y = 3\\n x, y = y, x + y\",\n \" return a, b, c, d, f, ten, ten1, ten2, x, y\",\n \" self.checkScript(test, ())\",\n \" def test_multi_reduction(self):\\n with self.assertRaisesRegex(\\n RuntimeError,\\n 'augmented assignment can only have one LHS expression'):\\n cu = torch.jit.CompilationUnit('''\\n def multi_reduction(x):\\n a, b += x\\n return a, b\\n ''')\",\n \" def test_invalid_call_arguments(self):\\n with self.assertRaisesRegex(RuntimeError, 'but instead found type '):\\n @torch.jit.script\\n def invalid_call_arguments(x):\\n return torch.unsqueeze(3, 4, 5, 6, 7, 8)\",\n \" def test_invalid_lhs_assignment(self):\\n with self.assertRaisesRegex(RuntimeError, 'unexpected expression'):\\n cu = torch.jit.CompilationUnit('''\\n def invalid_lhs_assignment(x):\\n x + 1 = x\\n return x\\n ''')\",\n \" def test_multi_starred_expr_lhs(self):\\n with self.assertRaisesRegex(RuntimeError, 'Only one starred expression is allowed on the lhs'):\\n cu = torch.jit.CompilationUnit('''\\n def multi_starred_expr_lhs():\\n a, *b, *c = [1, 2, 3, 4, 5, 6]\\n return a\\n ''')\",\n \" def test_pack_tuple_into_non_var(self):\\n with self.assertRaisesRegex(RuntimeError, 'Cannot pack a tuple into a non-variable'):\\n cu = torch.jit.CompilationUnit('''\\n def pack_tuple_into_non_var(x):\\n a, *1 = (3, 4, 5)\\n return x\\n ''')\",\n \" def test_print_kwargs(self):\\n with self.assertRaisesRegex(RuntimeError, 'print doesn\\\\'t accept any keyword arguments'):\\n cu = torch.jit.CompilationUnit('''\\n def print_kwargs(x):\\n print(x, flush=True)\\n return x\\n ''')\",\n \" def test_builtin_use_as_value(self):\\n with self.assertRaisesRegex(RuntimeError, 'builtin cannot be used as a value'):\\n @torch.jit.script\\n def builtin_use_as_value(x):\\n return x.unsqueeze\",\n \" def test_wrong_use_as_tuple(self):\\n with self.assertRaisesRegex(RuntimeError, 'cannot be used as a tuple'):\\n def test_fn():\\n return 3\",\n \" @torch.jit.script\\n def wrong_use_as_tuple(self):\\n a, b = test_fn\\n return a\",\n \" def test_wrong_attr_lookup(self):\\n with self.assertRaisesRegex(RuntimeError, 'attribute lookup is not defined on builtin'):\\n @torch.jit.script\\n def wrong_attr_lookup(self, x):\\n a = x.unsqueeze.myattr\\n return a\",\n \" def test_wrong_use_as_callable(self):\\n with self.assertRaisesRegex(RuntimeError, 'cannot call a value'):\\n @torch.jit.script\\n def wrong_use_as_callable(x):\\n return x(3, 4, 5)\",\n \" def test_python_val_doesnt_have_attr(self):\\n with self.assertRaisesRegex(RuntimeError, 'object has no attribute abcd'):\",\n \" @torch.jit.script\\n def python_val_doesnt_have_attr():\\n # this has to be a module otherwise attr lookup would not be\\n # allowed in the first place\\n return shutil.abcd\",\n \" def test_wrong_module_attr_lookup(self):\\n with self.assertRaisesRegex(RuntimeError, 'python value of type \\\\'type\\\\' cannot be used as a value'):\\n import io\",\n \" @torch.jit.script\\n def wrong_module_attr_lookup():\\n return io.BytesIO\",\n \" def test_wrong_method_call_inputs(self):\\n with self.assertRaisesRegex(RuntimeError, 'Argument y not provided'):\\n class SomeModule(torch.jit.ScriptModule):\",\n \" @torch.jit.script_method\\n def foo(self, x, y):\\n return x\",\n \" @torch.jit.script_method\\n def forward(self, x, y):\\n return self.foo(x)\\n SomeModule()\",\n \" def test_single_starred_expr_for_loop(self):\\n with self.assertRaisesRegex(RuntimeError, 'A Starred expression may only appear'):\\n cu = torch.jit.CompilationUnit('''\\n def test():\\n x = 0\\n for *a in [1, 2, 3]:\\n x = x + 1\\n return x\\n ''')\",\n \" def test_call_ge(self):\\n with self.assertRaisesRegex(RuntimeError, 'Expected at most 1 arguments but found 3'):\\n @_trace(torch.zeros(1, 2, 3))\\n def foo(x):\\n return x\",\n \" @torch.jit.script\\n def test_fn():\\n return foo(torch.full([1], 1), torch.full([1], 2), torch.full([1], 3))\",\n \" def test_wrong_return_type(self):\\n with self.assertRaisesRegex(RuntimeError, 'but instead got value of type tuple'):\\n @torch.jit.ignore\\n def somefunc():\\n # type: () -> Tuple[Tuple[Tensor, Tensor]]\\n return torch.zeros(3, 4), torch.zeros(4, 5) # noqa: T484\",\n \" @torch.jit.script\\n def wrong_return_type():\\n return somefunc()\\n wrong_return_type()\",\n \" # Tests for calling between different front-end modes\\n def test_call_python_fn_from_tracing_fn(self):\\n def python_fn(x):\\n return torch.neg(x)\",\n \" @_trace(torch.rand(3, 4))\\n def traced_fn(x):\\n return python_fn(x) + 1\",\n \" # The neg op in the python function should be properly inlined to the\\n # graph\\n FileCheck().check(\\\"aten::neg\\\").run(str(traced_fn.graph))\",\n \" def test_call_python_mod_from_tracing_fn(self):\\n class PythonMod(torch.nn.Module):\\n def __init__(self):\\n super(PythonMod, self).__init__()\\n self.param = torch.nn.Parameter(torch.rand(4, 3), requires_grad=False)\",\n \" def forward(self, x):\\n return torch.mm(x, self.param)\",\n \" pm = PythonMod()\",\n \" @_trace(torch.rand(3, 4))\\n def traced_fn(x):\\n return pm(x) + 1.0\",\n \" # Note: the parameter self.param from the Python module is inlined\\n # into the graph\\n self.assertTrue(len(list(traced_fn.graph.inputs())) == 1)\\n FileCheck().check(\\\"aten::mm\\\").check(\\\"aten::add\\\").run(str(traced_fn.graph))\",\n \" @_tmp_donotuse_dont_inline_everything\\n def test_call_traced_fn_from_tracing_fn(self):\\n @_trace(torch.rand(3, 4))\\n def traced_fn1(x):\\n return torch.neg(x)\",\n \" @_trace(torch.rand(3, 4))\\n def traced_fn(x):\\n return traced_fn1(x) + 1\",\n \" FileCheck().check(\\\"traced_fn\\\").check(\\\"prim::CallFunction\\\").check(\\\"aten::add\\\") \\\\\\n .run(str(traced_fn.graph))\",\n \" @unittest.skip(\\\"error in first class mode\\\")\\n def test_call_traced_mod_from_tracing_fn(self):\\n class TracedModule(torch.nn.Module):\\n def __init__(self):\\n super(TracedModule, self).__init__()\\n self.param = torch.nn.Parameter(torch.rand(4, 3), requires_grad=False)\",\n \" def forward(self, x):\\n return torch.mm(x, self.param)\",\n \" tm = torch.jit.trace(TracedModule(), torch.rand(3, 4))\",\n \" with self.assertRaisesRegex(RuntimeError, \\\"must be registered as submodules\\\"):\\n @_trace(torch.rand(3, 4))\\n def traced_fn(x):\\n return tm(x) + 1.0\",\n \" @_tmp_donotuse_dont_inline_everything\\n def test_call_script_fn_from_tracing_fn(self):\\n @torch.jit.script\\n def script_fn(x):\\n return torch.neg(x)\",\n \" @_trace(torch.rand(3, 4))\\n def traced_fn(x):\\n return script_fn(x) + 1\",\n \" FileCheck().check(\\\"prim::CallFunction\\\").check(\\\"aten::add\\\").run(str(traced_fn.graph))\",\n \" @unittest.skip(\\\"error in first class mode\\\")\\n def test_call_script_mod_from_tracing_fn(self):\\n with self.assertRaisesRegex(RuntimeError, \\\"must be registered as submodules\\\"):\\n class ScriptMod(torch.jit.ScriptModule):\\n def __init__(self):\\n super(ScriptMod, self).__init__()\\n self.param = torch.nn.Parameter(torch.rand(3, 4), requires_grad=False)\",\n \" @torch.jit.script_method\\n def forward(self, x):\\n for _i in range(4):\\n x += self.param\\n return x\",\n \" sm = ScriptMod()\",\n \" @_trace(torch.rand(3, 4))\\n def traced_fn(x):\\n return sm(x) + 1.0\",\n \"\\n def test_call_python_fn_from_traced_module(self):\\n def python_fn(x):\\n return torch.neg(x)\",\n \" class TracedModule(torch.nn.Module):\\n def __init__(self):\\n super(TracedModule, self).__init__()\\n self.param = torch.nn.Parameter(torch.rand(4, 3))\",\n \" def forward(self, x):\\n return torch.mm(python_fn(x), self.param)\",\n \" tm = torch.jit.trace(TracedModule(), torch.rand(3, 4))\",\n \" # Note: parameter self.param from the traced module should appear as\\n # an input to the graph and the neg op from the Python function should\\n # be properly inlined\\n self.assertTrue(len(list(tm.graph.inputs())) == 2)\\n FileCheck().check(\\\"aten::neg\\\").check(\\\"aten::mm\\\").run(str(tm.graph))\",\n \" def test_call_python_mod_from_traced_module(self):\\n class PythonModule(torch.nn.Module):\\n def __init__(self):\\n super(PythonModule, self).__init__()\\n self.param = torch.nn.Parameter(torch.rand(5, 7))\",\n \" def forward(self, x):\\n return torch.mm(x, self.param)\",\n \" class TracedModule(torch.nn.Module):\\n def __init__(self):\\n super(TracedModule, self).__init__()\\n self.param = torch.nn.Parameter(torch.rand(4, 5))\\n self.mod = PythonModule()\",\n \" def forward(self, x):\\n return self.mod(torch.mm(x, self.param)) + 1.0\",\n \" tm = torch.jit.trace(TracedModule(), torch.rand(3, 4))\",\n \" FileCheck().check_not(\\\"value=<Tensor>\\\").check(\\\"aten::mm\\\")\\\\\\n .check(\\\"prim::CallMethod[name=\\\\\\\"forward\\\\\\\"]\\\").check(\\\"aten::add\\\") \\\\\\n .run(str(tm.graph))\\n FileCheck().check(\\\"aten::mm\\\").run(str(tm.mod.graph))\",\n \" def test_op_dtype(self):\",\n \" def check_equal_and_dtype(a, b):\\n self.assertEqual(a, b)\\n self.assertEqual(a.dtype, b.dtype)\",\n \" def fn():\\n a = torch.arange(10)\\n b = torch.arange(10, dtype=torch.float)\\n c = torch.arange(1, 10, 2)\\n d = torch.arange(1, 10, 2, dtype=torch.float)\\n e = torch.arange(1, 10., 2)\\n f = torch.arange(1, 10., 2, dtype=torch.float)\\n return a, b, c, d, e, f\",\n \" scripted_fn = torch.jit.script(fn)\\n eager_out = fn()\\n script_out = scripted_fn()\\n for a, b in zip(eager_out, script_out):\\n check_equal_and_dtype(a, b)\",\n \" def test_floor_div(self):\\n @torch.jit.script\\n def foo(a, b):\\n # type: (int, int) -> int\\n return a // b\\n for i in range(-8, 8):\\n for j in range(-8, 8):\\n if j != 0:\\n self.assertEqual(foo(i, j), i // j)\",\n \" def test_floordiv(self):\\n funcs_template = dedent('''\\n def fn():\\n ten = {a_construct}\\n ten_or_scalar = {b_construct}\\n return ten // ten_or_scalar, torch.floor_divide(ten, ten_or_scalar)\\n ''')\",\n \" lhs = [\\\"torch.tensor([5.5, 3.2])\\\", \\\"torch.tensor([2, 2])\\\", \\\"torch.tensor([3, 2])\\\"]\\n rhs = [\\\"1.5\\\", \\\"2\\\", \\\"4\\\", \\\"1.1\\\"] + lhs\\n for tensor in lhs:\\n for tensor_or_scalar in rhs:\\n funcs_str = funcs_template.format(a_construct=tensor, b_construct=tensor_or_scalar)\\n scope = {}\\n execWrapper(funcs_str, globals(), scope)\\n cu = torch.jit.CompilationUnit(funcs_str)\\n f_script = cu.fn\\n f = scope['fn']\\n self.assertEqual(f_script(), f())\",\n \" def test_call_python_fn_from_script_fn(self):\\n @torch.jit.ignore\\n def python_fn(x):\\n return torch.neg(x)\",\n \" @torch.jit.script\\n def script_fn(x):\\n return python_fn(x) + 1\",\n \" # Note: the call to python_fn appears as `^python_fn()` and is called\\n # as a PythonOp in the interpreter\\n a = torch.tensor(1)\\n self.assertEqual(script_fn(a), torch.tensor(0))\\n FileCheck().check(\\\"python_fn\\\").run(str(script_fn.graph))\",\n \" def test_call_python_mod_from_script_fn(self):\\n class PythonModule(torch.nn.Module):\\n def __init__(self):\\n super(PythonModule, self).__init__()\\n self.param = torch.nn.Parameter(torch.rand(5, 7))\",\n \" def forward(self, x):\\n return torch.mm(x, self.param)\",\n \" pm = PythonModule()\",\n \" @torch.jit.script\\n def script_fn(x):\\n return pm(x) + 1\",\n \" # Note: call to pm(x) appears as ^<python_value>() in the trace.\\n # Parameters are NOT inlined.\\n FileCheck().check(\\\"python_value\\\").check(\\\"aten::add\\\").run(str(script_fn.graph))\",\n \" @_tmp_donotuse_dont_inline_everything\\n def test_call_script_fn_from_script_fn(self):\\n @torch.jit.script\\n def script_fn1(x):\\n return torch.neg(x)\",\n \" @torch.jit.script\\n def script_fn(x):\\n return script_fn1(x) + 1\",\n \" FileCheck().check(\\\"prim::CallFunction\\\").run(str(script_fn.graph))\",\n \" def test_call_script_mod_from_script_fn(self):\\n with self.assertRaisesRegex(RuntimeError, \\\"Cannot call a ScriptModule that is not a submodule of the caller\\\"):\\n class ScriptMod(torch.jit.ScriptModule):\\n def __init__(self):\\n super(ScriptMod, self).__init__()\",\n \" @torch.jit.script_method\\n def forward(self, x):\\n return torch.mm(x, torch.zeros([4, 3]))\",\n \" sm = ScriptMod()\",\n \" @torch.jit.script\\n def script_fn(x):\\n return sm(x) + 1\",\n \" def test_call_python_fn_from_script_module(self):\\n @torch.jit.ignore\\n def python_fn(x):\\n return torch.neg(x)\",\n \" class ScriptMod(torch.jit.ScriptModule):\\n def __init__(self):\\n super(ScriptMod, self).__init__()\\n self.param = torch.nn.Parameter(torch.rand(4, 3))\",\n \" @torch.jit.script_method\\n def forward(self, x):\\n return python_fn(torch.mm(x, self.param))\",\n \" sm = ScriptMod()\\n FileCheck().check(\\\"aten::mm\\\").check(\\\"python_fn\\\") \\\\\\n .run(str(sm.forward.graph))\",\n \" def test_call_python_mod_from_script_module(self):\\n class PythonMod(torch.nn.Module):\\n def __init__(self):\\n super(PythonMod, self).__init__()\\n self.param = torch.nn.Parameter(torch.rand(3, 5))\",\n \" @torch.jit.ignore\\n def forward(self, x):\\n return torch.mm(x, self.param)\",\n \" class ScriptMod(torch.jit.ScriptModule):\\n def __init__(self):\\n super(ScriptMod, self).__init__()\\n self.param = torch.nn.Parameter(torch.rand(4, 3))\\n self.pm = PythonMod()\",\n \" @torch.jit.script_method\\n def forward(self, x):\\n return self.pm(torch.mm(x, self.param))\",\n \" sm = ScriptMod()\\n # Note: the call into PythonMod appears as ^forward(). Parameters\\n # are NOT inlined\\n FileCheck().check(\\\"aten::mm\\\").check(\\\"forward\\\").run(str(sm.graph))\",\n \" @_tmp_donotuse_dont_inline_everything\\n def test_call_script_fn_from_script_module(self):\\n @torch.jit.script\\n def script_fn(x):\\n return torch.neg(x)\",\n \" class ScriptMod(torch.jit.ScriptModule):\\n def __init__(self):\\n super(ScriptMod, self).__init__()\\n self.param = torch.nn.Parameter(torch.rand(4, 3))\",\n \" @torch.jit.script_method\\n def forward(self, x):\\n return script_fn(torch.mm(x, self.param))\",\n \" sm = ScriptMod()\\n graph = (sm.forward.graph)\\n FileCheck().check(\\\"aten::mm\\\").check(\\\"prim::CallFunction\\\").run(str(graph))\",\n \" @_tmp_donotuse_dont_inline_everything\\n def test_call_script_mod_from_script_module(self):\\n class ScriptMod1(torch.jit.ScriptModule):\\n def __init__(self):\\n super(ScriptMod1, self).__init__()\\n self.param = torch.nn.Parameter(torch.rand(3, 5))\",\n \" @torch.jit.script_method\\n def forward(self, x):\\n return torch.mm(x, self.param)\",\n \" class ScriptMod(torch.jit.ScriptModule):\\n def __init__(self):\\n super(ScriptMod, self).__init__()\\n self.param = torch.nn.Parameter(torch.rand(4, 3))\\n self.tm = ScriptMod1()\",\n \" @torch.jit.script_method\\n def forward(self, x):\\n return self.tm(torch.mm(x, self.param))\",\n \" sm = ScriptMod()\\n # Note: the parameters from both modules should appear in the flattened\\n # input list to the graph. The mm op from ScriptMod1 should be properly\\n # inlined\\n # 3 % values in graph input lists, two mms in body\\n FileCheck().check_count('%', 3).check(\\\":\\\").check_count(\\\"mm\\\", 1).check(\\\"prim::CallMethod\\\").run(str(sm.graph))\",\n \" def test_module_with_params_called_fails(self):\\n with self.assertRaisesRegex(RuntimeError, \\\"Cannot call a ScriptModule that is not a submodule of the caller\\\"):\\n class ScriptMod(torch.jit.ScriptModule):\\n def __init__(self):\\n super(ScriptMod, self).__init__()\\n self.param = torch.nn.Parameter(torch.rand(3, 3))\",\n \" @torch.jit.script_method\\n def forward(self, x):\\n return torch.mm(x, self.param)\",\n \" sm = ScriptMod()\",\n \" @torch.jit.script\\n def some_func(x):\\n return sm(x)\",\n \" def test_tuple_index_to_list(self):\\n def test_non_constant_input(a):\\n # type: (bool) -> int\\n if a:\\n b = 1\\n else:\\n b = 0\\n c = (0, 1)\\n return c[b]\",\n \" self.checkScript(test_non_constant_input, (True,))\\n self.checkScript(test_non_constant_input, (False,))\",\n \" with self.assertRaisesRegex(RuntimeError, \\\"because we cannot resolve the output type\\\"):\\n @torch.jit.script\\n def test_non_constant_input(a):\\n # type: (bool) -> None\\n if a:\\n b = 1\\n else:\\n b = 0\\n c = (0, 1.1)\\n print(c[b])\",\n \" def test_tuple_indexing(self):\\n def tuple_index(a):\\n if bool(a):\\n b = (1, 2)\\n else:\\n b = (0, 2)\\n return b[-2], b[1]\",\n \" self.checkScript(tuple_index, (torch.tensor([0]),))\\n self.checkScript(tuple_index, (torch.tensor([1]),))\\n self.checkScript(tuple_index, (torch.tensor([1]),), optimize=True)\\n tuple_comp = torch.jit.script(tuple_index)\\n FileCheck().check_count(\\\"TupleIndex\\\", 2, exactly=True).run(str(tuple_comp.graph))\",\n \" with self.assertRaisesRegex(RuntimeError, \\\"index must be an integer\\\"):\\n @torch.jit.script\\n def test_indexing_float():\\n c = (1, 2)\\n return c[0.1]\",\n \" def test_indexing_out_of_bounds_pos():\\n c = (1, 2)\\n return c[2]\",\n \" self.checkScriptRaisesRegex(test_indexing_out_of_bounds_pos, (), Exception,\\n \\\"out of range\\\")\",\n \" def test_indexing_out_of_bounds_neg():\\n c = (1, 2)\\n return c[-3]\",\n \" self.checkScriptRaisesRegex(test_indexing_out_of_bounds_pos, (), Exception,\\n \\\"out of range\\\")\",\n \" def negative_index():\\n tup = (1, 2, 3, 4)\\n return tup[-1]\",\n \" self.checkScript(negative_index, [])\",\n \" def really_negative_index():\\n tup = (1, 2, 3, 4)\\n return tup[-100]\",\n \" self.checkScriptRaisesRegex(really_negative_index, [], Exception, \\\"index out of range\\\")\",\n \" def negative_slice():\\n tup = (1, 2, 3, 4)\\n return tup[-3:4]\",\n \" self.checkScript(negative_slice, [])\",\n \" def really_slice_out_of_bounds():\\n tup = (1, 2, 3, 4)\\n return tup[-300:4000]\",\n \" self.checkScript(really_slice_out_of_bounds, [])\",\n \" def test_namedtuple_attr(self):\\n def f(x):\\n return x.max(dim=1).indices + torch.max(x, dim=1).indices\",\n \" self.checkScript(f, (torch.rand(20, 20, 20),), optimize=True)\",\n \" with self.assertRaisesRegex(RuntimeError, \\\"object has no attribute or method\\\"):\\n @torch.jit.script\\n def g1(x):\\n return x.max(dim=1).unknown_symbol\",\n \" with self.assertRaisesRegex(RuntimeError, \\\"object has no attribute or method\\\"):\\n @torch.jit.script\\n def g2(x):\\n print((x, x, x).__doc__)\\n return x\",\n \" def test_tuple_len(self):\\n @torch.jit.script\\n def foo():\\n return len((1, \\\"str\\\", None))\",\n \" self.assertEqual(foo(), 3)\",\n \" @torch.jit.script\\n def test_indexing_end_out_of_bounds():\\n c = (1, 2)\\n return c[2:10]\",\n \" self.assertEqual(test_indexing_end_out_of_bounds(), ())\",\n \" def test_lower_nested_tuples(self):\\n @torch.jit.script\\n def test():\\n return ((1, 2), 3)\",\n \" self.run_pass('constant_propagation', test.graph)\\n FileCheck().check(\\\"prim::Constant\\\").check_not(\\\"TupleConstruct\\\").run(test.graph)\\n # fails if a tuple can't be lowered\\n self.run_pass('lower_all_tuples', test.graph)\",\n \" def test_unwrap_optional_builtin(self):\\n def test(x):\\n # type: (Optional[int]) -> int\\n x = torch.jit._unwrap_optional(x)\\n x = x + x # noqa: T484\\n return x\",\n \" self.checkScript(test, (3,))\",\n \" with self.assertRaisesRegex(AssertionError, \\\"Unwrapping null optional\\\"):\\n test(None)\",\n \" test_script = torch.jit.script(test)\\n with self.assertRaisesRegex(RuntimeError, \\\"Unwrapping null optional\\\"):\\n test_script(None)\",\n \" @torch.jit.script\\n def test_test():\\n return torch.jit._unwrap_optional(1)\",\n \" with self.assertRaisesRegex(RuntimeError, r\\\"could not be inferred from actual type None\\\"):\\n @torch.jit.script\\n def test_no_type():\\n # type: () -> int\\n return torch.jit._unwrap_optional(None)\",\n \" def test_indexing_error(self):\\n with self.assertRaisesRegex(RuntimeError, \\\"'int' object is not subscriptable\\\"):\\n @torch.jit.script\\n def test_wrong_type():\\n a = 8\\n return a[0]\",\n \" def test_unsupported_builtin_error(self):\\n with self.assertRaisesRegex(RuntimeError,\\n \\\"Python builtin <built-in function hypot> is currently\\\"):\\n @torch.jit.script\\n def test_unsupported(a):\\n return math.hypot(a, 2.0)\",\n \" def test_annotated_script_fn(self):\\n @torch.jit.script\\n def foo(x, y, z):\\n # type: (Tensor, Tuple[Tensor, Tensor, Tensor], Tuple[Tensor, Tuple[Tensor, Tensor]]) -> Tensor\\n return x\",\n \" self.assertExpected(str(foo.schema))\",\n \" def test_annotated_script_method(self):\\n class SM(torch.jit.ScriptModule):\\n @torch.jit.script_method\\n def forward(self, x, y):\\n # type: (Tuple[Tensor, Tensor], Tensor) -> Tuple[Tensor, Tensor, Tensor]\\n return y, y, y\",\n \" sm = SM()\",\n \" self.assertExpectedStripMangled(str(sm.forward.schema))\",\n \" def test_annotated_script_fn_return_mismatch(self):\\n with self.assertRaisesRegex(RuntimeError, \\\"but is actually of type\\\"):\\n @torch.jit.script\\n def return_tup(x):\\n # type: (Tensor) -> Tuple[Tuple[Tensor, Tensor], Tensor]\\n return x, x # noqa: T484\",\n \" def test_annotated_script_fn_arg_mismatch(self):\\n with self.assertRaisesRegex(RuntimeError, r\\\"Arguments for call are not valid\\\"):\\n @torch.jit.script\\n def tuple_arg(x):\\n # type: (Tuple[Tensor, Tensor]) -> Tensor\\n return x + 1 # noqa: T484\",\n \" def test_script_non_tensor_args_outputs(self):\\n @torch.jit.script\\n def fn(x, y):\\n # type: (Tensor, float) -> float\\n return float((x + y).sum())\",\n \" x = torch.ones(2, 2)\\n z = fn(x, 1)\\n self.assertIsInstance(z, float)\\n self.assertEqual(z, 8.)\",\n \" @unittest.skip('https://github.com/pytorch/pytorch/issues/9595')\\n def test_inline_and_run_annotated_script_fn(self):\\n @torch.jit.script\\n def to_inline(x, y):\\n # type: (Tuple[Tensor, Tensor], Tensor) -> Tensor\\n return y\",\n \" @torch.jit.script\\n def some_func(x):\\n return to_inline((x, x), x)\",\n \" x = torch.rand(3, 4)\\n self.assertEqual(some_func(x), x)\",\n \" def test_file_format_serialization(self):\\n filename = tempfile.mktemp()\\n writer = torch._C.PyTorchFileWriter(filename)\\n buffers = [os.urandom(size) for size in [random.randint(1, 100) for i in range(20)]]\\n offsets = []\\n for i, buf in enumerate(buffers):\\n writer.write_record(str(i), buf, len(buf))\\n offsets.append(i)\\n serialized_offsets = pickle.dumps(offsets)\\n writer.write_record(\\\"meta\\\", serialized_offsets, len(serialized_offsets))\\n writer.write_end_of_file()\",\n \" reader = torch._C.PyTorchFileReader(filename)\\n serialized_offsets_read = reader.get_record(\\\"meta\\\")\\n parsed_serialized_offsets = pickle.loads(serialized_offsets)\",\n \" for i, offset in enumerate(parsed_serialized_offsets):\\n data = reader.get_record(str(offset))\\n assert(data == buffers[i])\",\n \" # for each type, the input type annotation and corresponding return type annotation\\n def type_input_return_pairs(self):\\n return [\\n ('Tensor', 'Tensor'),\\n ('torch.Tensor', 'Tensor'),\\n ('str', 'str'),\\n ('int', 'int'),\\n ('bool', 'bool'),\\n ('BroadcastingList3[float]', 'List[float]'),\\n ('BroadcastingList2[int]', 'List[int]'),\\n ('List[int]', 'List[int]'),\\n ('Optional[int]', 'Optional[int]'),\\n ]\",\n \" # replacing code input & return type pair\\n def format_code(self, code, pair):\\n return code.format(input=pair[0], output=pair[1])\",\n \" # ***** Type annotation tests ****\\n # Test combinations of:\\n # {String frontend, Python AST Frontend}\\n # {Python 3-style type annotations, MyPy-style type comments}\\n # {Script method, Script function}\",\n \" # String frontend , Python 3-style type annotations , Script function\\n def test_annot_string_py3_fn(self):\\n code = '''\\n def foo(x : {input}, y : Tuple[Tensor, Tensor]) -> Tuple[{output}, {output}]:\\n return x, x\\n '''\\n test_str = []\\n for pair in self.type_input_return_pairs():\\n cu = torch.jit.CompilationUnit(self.format_code(code, pair))\\n test_str.append(str(cu.foo.schema))\\n self.assertExpected(\\\"\\\\n\\\".join(test_str) + \\\"\\\\n\\\")\",\n \" # String frontend , Python 3-style type annotations , Script method\\n def test_annot_string_py3_method(self):\\n class TestModule(torch.jit.ScriptModule):\\n def __init__(self):\\n super(TestModule, self).__init__()\",\n \" code = '''\\n def foo(self, x : {input}, y : Tuple[Tensor, Tensor]) -> Tuple[{output}, {output}]:\\n return x, x\\n '''\\n test_str = []\\n for pair in self.type_input_return_pairs():\\n # clear the class registry as we will be defining foo multiple times\\n jit_utils.clear_class_registry()\\n tm = TestModule()\\n tm.define(self.format_code(code, pair))\\n test_str.append(str(tm.foo.schema))\\n self.assertExpectedStripMangled(\\\"\\\\n\\\".join(test_str) + \\\"\\\\n\\\")\",\n \" # String frontend , MyPy-style type comments , Script function\\n def test_annot_string_mypy_fn(self):\\n code = '''\\n def foo(x, y):\\n # type: ({input}, Tuple[Tensor, Tensor]) -> Tuple[{output}, {output}]\\n return x, x\\n '''\\n test_str = []\\n for pair in self.type_input_return_pairs():\\n cu = torch.jit.CompilationUnit(self.format_code(code, pair))\\n test_str.append(str(cu.foo.schema))\\n self.assertExpectedStripMangled(\\\"\\\\n\\\".join(test_str) + \\\"\\\\n\\\")\",\n \" # String frontend , MyPy-style type comments , Script method\\n def test_annot_string_mypy_method(self):\\n class TestModule(torch.jit.ScriptModule):\\n def __init__(self):\\n super(TestModule, self).__init__()\",\n \" code = '''\\n def foo(self, x, y):\\n # type: ({input}, Tuple[Tensor, Tensor]) -> Tuple[{output}, {output}]\\n return x, x\\n '''\",\n \" test_str = []\\n for pair in self.type_input_return_pairs():\\n # clear the class registry as we will be defining foo multiple times\\n jit_utils.clear_class_registry()\\n tm = TestModule()\\n tm.define(self.format_code(code, pair))\\n test_str.append(str(tm.foo.schema))\\n self.assertExpectedStripMangled(\\\"\\\\n\\\".join(test_str) + \\\"\\\\n\\\")\",\n \" # Python AST Frontend , Python 3-style type annotations , Script function\\n def test_annot_ast_py3_fn(self):\\n code = dedent('''\\n from typing import Tuple, List, Optional\\n from torch import Tensor\\n from torch.jit.annotations import BroadcastingList2, BroadcastingList3\\n import torch\\n @torch.jit.script\\n def foo(x : {input}, y : Tuple[Tensor, Tensor]) -> Tuple[{output}, {output}]:\\n return x, x\\n ''')\\n test_str = []\\n for pair in self.type_input_return_pairs():\\n fn = jit_utils._get_py3_code(self.format_code(code, pair), 'foo')\\n test_str.append(str(fn.schema))\\n self.assertExpectedStripMangled(\\\"\\\\n\\\".join(test_str) + \\\"\\\\n\\\")\",\n \" def test_multiline_annot_ast_py3_fn(self):\\n code = dedent('''\\n from typing import Tuple, List, Optional\\n from torch import Tensor\\n from torch.jit.annotations import BroadcastingList2, BroadcastingList3\\n import torch\\n @torch.jit.script\\n def foo(x, # type: {input}\\n y # type: Tuple[Tensor, Tensor]\\n ):\\n # type: (...) -> Tuple[{output}, {output}]\\n return x, x\\n ''')\\n test_str = []\",\n \" for pair in self.type_input_return_pairs():\\n fn = jit_utils._get_py3_code(self.format_code(code, pair), 'foo')\\n args = fn.schema.arguments\\n returns = fn.schema.returns\\n self.assertEqual(str(args[0].type), pair[1])\\n self.assertEqual(str(args[1].type), \\\"Tuple[Tensor, Tensor]\\\")\\n self.assertEqual(str(returns[0].type), \\\"Tuple[{}, {}]\\\".format(pair[1], pair[1]))\",\n \" def test_bad_multiline_annotations(self):\\n with self.assertRaisesRegex(RuntimeError, \\\"Return type line\\\"):\\n @torch.jit.script\\n def bad_type_line(a, # type: Tensor\\n b, # type: Tensor\\n c # type: Tensor\\n ):\\n # type: (int, int, int) -> Tensor\\n # type: bad type line # noqa: F723\",\n \" return a + b + c\",\n \" with self.assertRaisesRegex(RuntimeError, \\\"Return type line\\\"):\\n @torch.jit.script\\n def bad_return_line(a, # type: Tensor\\n b,\\n c # type: Tensor\\n ):\\n # type: (int, int, int) -> Tensor\\n return a + b + c\",\n \" # TODO: this should be supported but is difficult to parse\\n with self.assertRaisesRegex(RuntimeError, \\\"Number of type annotations\\\"):\\n @torch.jit.script\\n def missing_type(a, # type: Tensor\\n b,\\n c # type: Tensor\\n ):\\n # type: (...) -> Tensor\\n return a + b + c\",\n \" # Python AST Frontend , Python 3-style type annotations , Script method\\n def test_annot_ast_py3_method(self):\\n code = dedent('''\\n from typing import Tuple, List, Optional\\n from torch import Tensor\\n from torch.jit.annotations import BroadcastingList2, \\\\\\\\\\n BroadcastingList3\\n import torch\\n class FooModule(torch.jit.ScriptModule):\\n @torch.jit.script_method\\n def foo(self, x : {input}, y : Tuple[Tensor, Tensor]) -> Tuple[{output}, {output}]:\\n return x, x\\n instance = FooModule()\\n ''')\",\n \" test_str = []\\n for pair in self.type_input_return_pairs():\\n fn = jit_utils._get_py3_code(self.format_code(code, pair), 'instance')\\n test_str.append(str(fn.foo.schema))\\n self.assertExpectedStripMangled(\\\"\\\\n\\\".join(test_str) + \\\"\\\\n\\\")\",\n \" # Python AST Frontend , MyPy-style type comments , Script function\\n def test_annot_ast_mypy_fn(self):\\n code = dedent('''\\n import torch\\n @torch.jit.script\\n def foo(x, y):\\n # type: ({input}, Tuple[Tensor, Tensor]) -> Tuple[{output}, {output}]\\n return x, x\\n ''')\",\n \" test_str = []\\n for pair in self.type_input_return_pairs():\\n fn = jit_utils._get_py3_code(self.format_code(code, pair), 'foo')\\n test_str.append(str(fn.schema))\\n self.assertExpected(\\\"\\\\n\\\".join(test_str) + \\\"\\\\n\\\")\",\n \" # Python AST Frontend , MyPy-style type comments , Script method\\n def test_annot_ast_mypy_method(self):\\n code = dedent('''\\n import torch\\n class FooModule(torch.jit.ScriptModule):\\n @torch.jit.script_method\\n def foo(self, x, y):\\n # type: ({input}, Tuple[Tensor, Tensor]) -> Tuple[{output}, {output}]\\n return x, x\\n instance = FooModule()\\n ''')\",\n \" test_str = []\\n for pair in self.type_input_return_pairs():\\n fn = jit_utils._get_py3_code(self.format_code(code, pair), 'instance')\\n test_str.append(str(fn.foo.schema))\\n self.assertExpectedStripMangled(\\\"\\\\n\\\".join(test_str) + \\\"\\\\n\\\")\",\n \" # Tests that \\\"# type: ignore[*]\\\" is supported in type lines and is\\n # properly ignored.\\n def test_mypy_type_ignore(self):\\n @torch.jit.script\\n def foo(x): # type: ignore\\n return x\",\n \" @torch.jit.script\\n def bar(x): # type: ignore[no-redef]\\n return x\",\n \" def test_method_casts_script(self):\\n cast_types = [\\n 'byte', 'char', 'double', 'float', 'int', 'long', 'short'\\n ]\",\n \" for cast_type in cast_types:\\n cu = torch.jit.CompilationUnit('''\\n def cast_to(x):\\n return x.{cast_type}()\\n '''.format(cast_type=cast_type))\",\n \" x = torch.rand(3, 4, 5) * 128\\n cu_result = cu.cast_to(x)\\n reference = getattr(x, cast_type)()\\n self.assertEqual(cu_result, reference)\",\n \" def test_string_frontend_elif(self):\\n code = '''\\n def func(niter):\\n # type: (int)\\n rv = 0\\n for i in range(niter):\\n if i % 3 == 0 and i % 5 == 0:\\n rv += 35\\n elif i % 3 == 0:\\n rv += 3\\n elif i % 5 == 0:\\n rv += 5\\n else:\\n rv += i\\n return rv\\n '''\",\n \" self.checkScript(dedent(code), (101,))\",\n \" def test_module_parameters_and_buffers(self):\\n weights = torch.randn(10, 10)\\n bias = torch.randn(10)\\n weights2 = torch.randn(10, 10)\\n bias2 = torch.randn(10)\",\n \" class TestLinear(torch.nn.Module):\\n def __init__(self, in_features, out_features):\\n super(TestLinear, self).__init__()\\n self.in_features = in_features\\n self.out_features = out_features\\n self.weight = torch.nn.Parameter(torch.empty(out_features, in_features))\\n self.bias = torch.nn.Parameter(torch.empty(out_features))\\n self.register_buffer('counter', torch.ones(out_features))\\n self.reset_parameters()\",\n \" def reset_parameters(self):\\n torch.nn.init.kaiming_uniform_(self.weight, a=math.sqrt(5))\\n if self.bias is not None:\\n fan_in, _ = torch.nn.init._calculate_fan_in_and_fan_out(self.weight)\\n bound = 1 / math.sqrt(fan_in)\\n torch.nn.init.uniform_(self.bias, -bound, bound)\",\n \" def forward(self, input):\\n return F.linear(input, self.weight, self.bias) + self.counter\",\n \" # Initialize a ScriptModule that uses the weak module above multiple times\\n class Strong(torch.jit.ScriptModule):\\n def __init__(self):\\n super(Strong, self).__init__()\\n self.fc1 = TestLinear(10, 10)\\n self.fc1.weight = torch.nn.Parameter(weights)\\n self.fc1.bias = torch.nn.Parameter(bias)\\n self.fc2 = TestLinear(10, 10)\\n self.fc2.weight = torch.nn.Parameter(weights2)\\n self.fc2.bias = torch.nn.Parameter(bias2)\",\n \" @torch.jit.script_method\\n def forward(self, x):\\n return x + self.fc1(x) + self.fc1(x) + self.fc2(x)\",\n \" strong_mod = Strong()\",\n \" # Run same calculation as module\\n inp = torch.ones(10)\\n lin = torch.nn.Linear(10, 10)\\n lin.weight = torch.nn.Parameter(weights)\\n lin.bias = torch.nn.Parameter(bias)\\n lin2 = torch.nn.Linear(10, 10)\\n lin2.weight = torch.nn.Parameter(weights2)\\n lin2.bias = torch.nn.Parameter(bias2)\\n expected_result = inp + (lin(inp) + torch.ones(10)) * 2 + lin2(inp) + torch.ones(10)\",\n \" self.assertEqual(strong_mod(inp), expected_result)\\n self.assertExportImportModule(strong_mod, (inp,))\",\n \" def test_module_copying(self):\\n class Submodule(torch.nn.Module):\\n def __init__(self):\\n super(Submodule, self).__init__()\",\n \" def forward(self, x):\\n return x + 100\",\n \" class Weak(torch.nn.Module):\\n def __init__(self, in_features, out_features):\\n super(Weak, self).__init__()\\n self.weight = torch.nn.Parameter(torch.ones(out_features, in_features))\\n self.bias = torch.nn.Parameter(torch.ones(out_features))\\n self.register_buffer(\\\"buffer\\\", torch.ones(out_features))\\n self.submodule = Submodule()\",\n \" def forward(self, x):\\n return F.linear(x, self.weight, self.bias) \\\\\\n + self.buffer + self.submodule(x)\",\n \" class Strong(torch.jit.ScriptModule):\\n def __init__(self, weak):\\n super(Strong, self).__init__()\\n self.weak = weak\",\n \" @torch.jit.script_method\\n def forward(self, x):\\n return self.weak(x)\",\n \" inp = torch.ones(5, 5) * 5\\n weak_mod = Weak(5, 5)\\n strong_mod = Strong(weak_mod)\",\n \" self.assertTrue(isinstance(strong_mod.weak, torch.jit.ScriptModule))\\n self.assertFalse(isinstance(weak_mod, torch.jit.ScriptModule))\",\n \" self.assertIs(strong_mod.weak.weight, weak_mod.weight)\\n self.assertIs(strong_mod.weak.buffer, weak_mod.buffer)\\n # strong_mod.weak.submodule has been recursively scripted\\n self.assertIsNot(strong_mod.weak.submodule, weak_mod.submodule)\",\n \" weak_mod.weight.data += torch.ones(5, 5) * 100\\n self.assertTrue(strong_mod(inp).allclose(weak_mod(inp)))\",\n \" # Re-assignment is not tracked\\n weak_mod.weight = torch.nn.Parameter(torch.ones(5, 5) * 100)\\n self.assertFalse(strong_mod(inp).allclose(weak_mod(inp)))\",\n \" def test_backend_cudnn_enabled(self):\\n # Only test that this compiles\\n @torch.jit.script\\n def fn(x):\\n if torch.backends.cudnn.enabled:\\n x = x + 2\\n else:\\n x = x + 3\\n return x\",\n \" def test_inplace_add(self):\",\n \" def foo(a, b):\\n c = a + b\\n c.add_(b)\\n return c\\n self.checkScript(foo, (torch.rand(3), torch.rand(3)))\",\n \" def test_add_out(self):\\n def foo(a, b):\\n c = a + b\\n e = 2 * a\\n torch.add(c, b, out=e)\\n return e\\n self.checkScript(foo, (torch.rand(3), torch.rand(3)))\",\n \" def test_tuple_error_msg(self):\\n def fn(t: Any):\\n if isinstance(t, tuple):\\n a, b = t\\n return a + b\\n with self.assertRaisesRegexWithHighlight(RuntimeError, \\\"Provided tuple is not fully defined/refined\\\", \\\"t\\\"):\\n s = torch.jit.script(fn)\",\n \" def test_augmented_assign(self):\\n def foo(a, b):\\n a += b\\n a -= b\\n a /= b\\n a *= b\\n return a, b\\n self.checkScript(foo, (torch.rand(3), torch.rand(3)))\",\n \" def test_ignored_props(self):\\n class A(nn.Module):\\n __jit_ignored_attributes__ = [\\\"ignored\\\", \\\"ignored_return_val\\\"]\",\n \" def __init__(self):\\n super().__init__()\",\n \" @property\\n def ignored(self):\\n raise ValueError(\\\"shouldn't be called\\\")\",\n \" @property\\n def ignored_return_val(self):\\n return 1\",\n \" @torch.jit.ignore\\n def call(self):\\n return self.ignored_return_val\",\n \" f = torch.jit.script(A())\\n # jank way to test if there is no error\\n self.assertTrue(isinstance(f, torch.jit.ScriptModule))\\n self.assertTrue(isinstance(f.call(), property))\",\n \"\\n def test_pass(self):\\n def foo(x):\\n # type: (bool) -> int\\n for _i in range(3):\\n pass\\n if x:\\n pass\\n else:\\n pass\\n return 3\",\n \" self.checkScript(foo, (True,))\",\n \" def test_lhs_indexing(self):\\n def foo(a, b):\\n a = a.clone()\\n a[0] = b\\n return a\\n self.checkScript(foo, (torch.rand(2, 3), torch.rand(3)))\",\n \" def test_lhs_advanced_indexing_assignment(self):\\n def foo(x, y):\\n a = torch.exp(x)\\n b = x == 1\\n a[b] = y[b]\\n return a\\n self.checkScript(foo, (torch.ones(4, 3), torch.ones(4, 3)))\",\n \" def test_lhs_advanced_indexing_augmented_assignment(self):\\n def foo(x, y):\\n a = torch.exp(x)\\n b = x == 1\\n a[b] += y[b]\\n return a\\n self.checkScript(foo, (torch.ones(4, 3), torch.ones(4, 3)))\",\n \" def test_lhs_indexing_list(self):\\n def foo(a, b):\\n ls = [a]\\n ls[0] = b\\n return ls\\n self.checkScript(foo, (torch.rand(2, 3), torch.rand(3)))\",\n \" def test_inplace_copy_script(self):\\n def foo(x):\\n a = torch.rand(3, 4)\\n a.copy_(x)\\n return a\\n self.checkScript(foo, (torch.rand(3, 4),))\",\n \" def test_lhs_indexing_increment(self):\\n def foo(a, b):\\n a[0] += b\\n return a\\n self.checkScript(foo, (torch.rand(2, 3), torch.rand(3)))\",\n \" def test_lhs_indexing_increment_list(self):\\n def foo(a, b):\\n a = a.clone()\\n ls = [a, b]\\n ls[0] += b\\n return ls\\n self.checkScript(foo, (torch.rand(2, 3), torch.rand(3)))\",\n \" def test_lhs_indexing_increment_list_prim(self):\\n def foo():\\n ls = [1, 2, 3]\\n ls[0] += 5\\n return ls\\n self.checkScript(foo, ())\",\n \" def test_lhs_indexing_multi(self):\\n def foo(a, b):\\n a = a.clone()\\n foo, a[0], bar = (1, b, 3)\\n return foo, a, bar\\n self.checkScript(foo, (torch.rand(2, 3), torch.rand(3)))\",\n \" def test_bool_dispatch(self):\\n with torch._jit_internal._disable_emit_hooks(): # TODO: Python print broadcasting list\\n def kwarg_false(x):\\n # type: (Tensor) -> Tensor\\n return F.max_pool1d(x, 1, 1, return_indices=False)\\n self.checkScript(kwarg_false, (torch.randn(3, 3, 3),))\",\n \" def kwarg_true(x):\\n # type: (Tensor) -> Tuple[Tensor, Tensor]\\n return F.max_pool1d(x, 1, 1, return_indices=True)\\n self.checkScript(kwarg_true, (torch.randn(3, 3, 3),))\",\n \" def full_kwarg_false(x):\\n # type: (Tensor) -> Tensor\\n return F.max_pool1d(x, 1, 1, ceil_mode=False, return_indices=False)\\n self.checkScript(full_kwarg_false, (torch.randn(3, 3, 3),))\",\n \" def full_kwarg_true(x):\\n # type: (Tensor) -> Tuple[Tensor, Tensor]\\n return F.max_pool1d(x, 1, 1, ceil_mode=False, return_indices=True)\\n self.checkScript(full_kwarg_true, (torch.randn(3, 3, 3),))\",\n \" def use_default(x):\\n # type: (Tensor) -> Tensor\\n return F.max_pool1d(x, 1, 1)\\n self.checkScript(use_default, (torch.randn(3, 3, 3),))\",\n \" def arg_false(x):\\n # type: (Tensor) -> Tensor\\n return F.max_pool1d(x, 1, 1, 0, 1, False, False)\\n self.checkScript(arg_false, (torch.randn(3, 3, 3),))\",\n \" def arg_true(x):\\n # type: (Tensor) -> Tuple[Tensor, Tensor]\\n return F.max_pool1d(x, 1, 1, 0, 1, False, True)\\n self.checkScript(arg_true, (torch.randn(3, 3, 3),))\",\n \" def test_infer_size(self):\\n from torch._C import _infer_size\",\n \" def fn(x, y):\\n # type: (Tensor, Tensor) -> List[int]\\n return _infer_size(x.size(), y.size())\",\n \" self.checkScript(fn, (torch.ones(2, 4, 2), torch.ones(2, 4, 2)))\",\n \" def test_hash(self):\\n def tester(fn, inputs):\\n for x in inputs:\\n for y in inputs:\\n if x == y:\\n self.assertEqual(fn(x), fn(y))\\n else:\\n self.assertNotEqual(fn(x), fn(y))\",\n \" @torch.jit.script\\n def int_hash(x):\\n # type: (int) -> int\\n return hash(x)\",\n \" @torch.jit.script\\n def float_hash(x):\\n # type: (float) -> int\\n return hash(x)\",\n \" @torch.jit.script\\n def str_hash(x):\\n # type: (str) -> int\\n return hash(x)\",\n \" tester(int_hash, (20, 21, 22))\\n tester(float_hash, (20.0, 21.00001, 22.443))\\n tester(str_hash, (\\\"\\\", \\\"hello\\\", \\\"a\\\"))\",\n \" def test_id(self):\\n with self.assertRaisesRegex(RuntimeError, \\\"Expected a value\\\"):\\n @torch.jit.script\\n def test_id_scalars():\\n return id(2) == id(None)\",\n \" @torch.jit.script\\n class FooTest(object):\\n def __init__(self, x):\\n self.foo = x\",\n \" def getFooTest(self):\\n return self.foo\",\n \" @torch.jit.script\\n def test_id_class_types():\\n obj1 = FooTest(torch.tensor(3))\\n obj2 = FooTest(torch.tensor(2))\\n assert obj1 is not obj2\\n assert id(obj1) != id(obj2)\\n assert id(obj1) != id(None)\\n return True\",\n \" self.assertTrue(test_id_class_types())\",\n \" def test_mutable_dce(self):\\n @torch.jit.script\\n def foo():\\n a = torch.rand(2, 3)\\n a += torch.rand(2, 3)\\n b = torch.rand(2, 3)\\n b += torch.rand(2, 3)\\n # b should be cleaned up but not a\\n return a\",\n \" FileCheck().check_count(\\\"aten::rand\\\", 2, exactly=True) \\\\\\n .check_count(\\\"aten::add\\\", 1, exactly=True).run(str(foo.graph))\",\n \" def test_mutable_dce_block(self):\\n @torch.jit.script\\n def foo():\\n a = torch.rand(2, 3)\\n a += torch.rand(2, 3)\\n b = torch.rand(2, 3)\\n if bool(a > torch.zeros(2, 3)):\\n b += torch.rand(2, 3)\\n a += torch.rand(2, 3)\\n # a should be cleaned up but not b\\n return b\",\n \" FileCheck().check(\\\"prim::If\\\").check_count(\\\"aten::rand\\\", 1, exactly=True) \\\\\\n .run(str(foo.graph))\",\n \" def test_mutable_dce_graph_input(self):\\n @torch.jit.script\\n def foo(a):\\n a += torch.rand(2, 3)\\n # shouldn't clean up `a` even though it's not used in the output\",\n \" FileCheck().check(\\\"aten::rand\\\").check(\\\"aten::add\\\").run(str(foo.graph))\",\n \" def test_mutable_dce_list(self):\\n @torch.jit.script\\n def foo(a):\\n l = []\\n l.append(a)\\n c = l[0]\\n b = torch.rand(2, 3)\\n c += torch.rand(2, 3)\\n return b\",\n \" # c does not get cleaned up because there is a wildcard + mutation\\n FileCheck().check_count(\\\"aten::rand\\\", 2, exactly=True).run(str(foo.graph))\",\n \" def test_mutable_dce_loop(self):\\n @torch.jit.script\\n def foo(a):\\n l = []\\n l.append(a)\\n i = 0\\n b = torch.rand(2, 3)\\n while i < 1:\\n dead = torch.rand(2, 3)\\n c = l[0]\\n c += torch.rand(2, 3)\\n i += 1\\n return b\",\n \" FileCheck().check(\\\"prim::Loop\\\").check_not(\\\"aten::rand\\\").check(\\\"aten::__getitem__\\\") \\\\\\n .check_count(\\\"aten::rand\\\", 1, exactly=True).run(str(foo.graph))\",\n \" def test_mutable_dce_indirect_wildcards(self):\\n def fn():\\n x = torch.ones(2, 3)\\n x_1 = x.view(-1)\\n l = []\\n l.append(x_1)\\n x_view = l[0]\\n x.add_(torch.ones(2, 3))\\n return x_view\\n self.checkScript(fn, ())\",\n \" def test_mutable_dce_indirect_wildcard_write(self):\\n def fn():\\n indexes = torch.jit.annotate(List[Tensor], [])\\n word_ids = torch.zeros(10, dtype=torch.int32)\\n word_ids[1] = 1\\n indexes.append(word_ids)\",\n \" return word_ids\\n self.checkScript(fn, ())\",\n \" def test_mutable_dce_wildcards(self):\\n def fn():\\n x = torch.ones(2, 3)\\n l = []\\n l.append(x)\\n x_view = l[0]\\n x.add_(torch.ones(2, 3))\\n return x_view\",\n \" self.checkScript(fn, (), profiling=ProfilingMode.SIMPLE)\",\n \" def test_cpp_function_tensor_str(self):\\n x = torch.randn(2, 2)\\n scale = torch.randn(2, 2, requires_grad=True)\\n shift = torch.randn(2, 2, requires_grad=True)\",\n \" @torch.jit.script\\n def fn(x, scale, shift):\\n return scale * x + shift\",\n \" with self.capture_stdout() as captured:\\n print(fn(x, scale, shift))\",\n \" def test_string_index(self):\\n def fn(x):\\n # type: (str)\\n return x[2], x[-1]\",\n \" self.checkScript(fn, (\\\"abcde\\\",))\",\n \" def test_ord(self):\\n def fn(x):\\n # type: (str) -> int\\n return ord(x)\",\n \" self.checkScript(fn, (\\\"h\\\"))\\n self.checkScript(fn, (\\\"y\\\"))\",\n \" def index_str_to_tensor(s):\\n # type: (str) -> Tensor\\n return torch.tensor(ord(s)) # noqa: T484\",\n \" s = u'\\\\u00a3'.encode('utf8')[:1]\\n self.checkScript(index_str_to_tensor, (s,))\",\n \" def test_chr(self):\\n def fn(x):\\n # type: (int) -> str\\n return chr(x)\",\n \" self.checkScript(fn, (1,))\\n self.checkScript(fn, (97,))\",\n \" def test_round(self):\\n def round_float(x):\\n # type: (float) -> float\\n return round(x)\",\n \" def round_int(x):\\n # type: (int) -> float\\n return round(x)\",\n \" self.checkScript(round_float, (1.5,))\\n self.checkScript(round_int, (2,))\",\n \" def test_convert_base(self):\\n def test_hex(x):\\n # type: (int) -> str\\n return hex(x)\",\n \" def test_oct(x):\\n # type: (int) -> str\\n return oct(x)\",\n \" def test_bin(x):\\n # type: (int) -> str\\n return bin(x)\",\n \" numbers = [-1000, -10, 0, 1, 10, 2343]\\n for n in numbers:\\n self.checkScript(test_bin, (n,))\\n self.checkScript(test_oct, (n,))\\n self.checkScript(test_hex, (n,))\",\n \" @unittest.skipIf(IS_WINDOWS or IS_SANDCASTLE, \\\"NYI: TemporaryFileName support for Windows or Sandcastle\\\")\\n def test_get_set_state(self):\\n class Root(torch.jit.ScriptModule):\\n __constants__ = ['number']\",\n \" def __init__(self, number):\\n super(Root, self).__init__()\\n self.register_buffer('buffer1', torch.ones(2, 2))\\n self.register_buffer('buffer2', torch.ones(2, 2))\\n self.number = number\",\n \" @torch.jit.script_method\\n def __getstate__(self):\\n return (self.buffer1, self.buffer2, 74, self.training)\",\n \" @torch.jit.script_method\\n def __setstate__(self, state):\\n self.buffer1 = state[0] + 10\\n self.buffer2 = state[1] + 10\\n self.training = state[3]\",\n \" class M(torch.jit.ScriptModule):\\n __constants__ = ['number']\",\n \" def __init__(self, number, submodule):\\n super(M, self).__init__()\\n self.register_buffer('buffer1', torch.ones(2, 2))\\n self.register_buffer('buffer2', torch.ones(2, 2))\\n self.number = number\\n self.submodule = submodule\",\n \" @torch.jit.script_method\\n def __getstate__(self):\\n return (self.buffer1, self.buffer2, 74, self.submodule, self.training)\",\n \" @torch.jit.script_method\\n def __setstate__(self, state):\\n self.buffer1 = state[0] + 10\\n self.buffer2 = state[1] + 10\\n self.submodule = state[3]\\n self.training = state[4]\",\n \" with TemporaryFileName() as fname:\\n m = M(23, submodule=Root(99))\\n m.save(fname)\\n loaded = torch.jit.load(fname)\",\n \" # Check original module\\n self.assertEqual(m.buffer1, torch.ones(2, 2))\\n self.assertEqual(m.buffer2, torch.ones(2, 2))\",\n \" # Check top level module\\n self.assertEqual(loaded.buffer1, torch.ones(2, 2) + 10)\\n self.assertEqual(loaded.buffer2, torch.ones(2, 2) + 10)\",\n \" # Check submodule\\n self.assertEqual(loaded.submodule.buffer1, torch.ones(2, 2) + 10)\\n self.assertEqual(loaded.submodule.buffer2, torch.ones(2, 2) + 10)\",\n \" # Check simpler module\\n class NoArgState(torch.nn.Module):\\n def __init__(self):\\n super(NoArgState, self).__init__()\\n self.register_buffer('buffer1', torch.ones(2, 2))\\n self.register_buffer('buffer2', torch.ones(2, 2))\",\n \" def forward(self):\\n pass\",\n \" @torch.jit.export\\n def __getstate__(self):\\n return 5, self.training\",\n \" @torch.jit.export\\n def __setstate__(self, state):\\n self.buffer1 = torch.ones(2, 2) + state[0]\\n self.buffer2 = torch.ones(2, 2) + 10\\n self.training = state[1]\",\n \" with TemporaryFileName() as fname:\\n m = torch.jit.script(NoArgState())\\n m.save(fname)\\n loaded = torch.jit.load(fname)\\n self.assertEqual(loaded.buffer1, torch.ones(2, 2) + 5)\\n self.assertEqual(loaded.buffer2, torch.ones(2, 2) + 10)\",\n \"\",\n \" def test_string_slicing(self):\\n def fn1(x):\\n # type: (str) -> str\\n return x[1:3]\",\n \" def fn2(x):\\n # type: (str) -> str\\n return x[-1:3]\",\n \" def fn3(x):\\n # type: (str) -> str\\n return x[3:1]\",\n \" def fn4(x):\\n # type: (str) -> str\\n return x[3:100]\",\n \" self.checkScript(fn1, (\\\"abcdefghi\\\",))\\n self.checkScript(fn2, (\\\"abcdefghi\\\",))\\n self.checkScript(fn3, (\\\"abcdefghi\\\",))\\n self.checkScript(fn4, (\\\"abcdefghi\\\",))\",\n \" def test_early_return_closure(self):\\n code = dedent('''\\n def tanh(self):\\n output = torch.tanh(self)\\n def backward(grad_output):\\n pass\\n return output, backward\\n ''')\\n cu = torch.jit.CompilationUnit(code)\\n g = cu.tanh.graph\\n FileCheck().check_count(\\\"prim::Closure_0\\\", 2).check(\\\"NoneType = prim::Constant\\\") \\\\\\n .check_next(\\\"return\\\").run(g)\",\n \" code = dedent('''\\n def tanh(self):\\n output = torch.tanh(self)\\n def backward(grad_output):\\n a = 1\\n if output:\\n return 1\\n else:\\n a = 2\\n return a\\n return output, backward\\n ''')\\n cu = torch.jit.CompilationUnit(code)\\n g = cu.tanh.graph\\n FileCheck().check_count(\\\"prim::Closure_0\\\", 2).check(\\\"int = prim::If\\\") \\\\\\n .run(g)\",\n \" code = dedent('''\\n def loop_in_closure(self):\\n output = torch.tanh(self)\\n def backward(grad_output):\\n for i in range(3):\\n return 1\\n return 4\\n return output, backward\\n ''')\\n cu = torch.jit.CompilationUnit(code)\\n fc = FileCheck()\\n fc.check(\\\"prim::Closure\\\").check(\\\"(Tensor, NoneType) = prim::TupleConstruct\\\")\\n # Loop then two if's added in exit transform\\n fc.check(\\\"prim::Closure\\\").check(\\\"prim::Loop\\\").check_count(\\\"prim::If\\\", 2)\\n fc.run(cu.loop_in_closure.graph)\",\n \" code = dedent('''\\n def tanh(self):\\n output = torch.tanh(self)\\n def backward(grad_output):\\n if 1 == 1:\\n return 1\\n else:\\n return 1.\\n return output, backward\\n ''')\\n with self.assertRaisesRegex(RuntimeError, \\\"returned a value of type int but\\\"):\\n cu = torch.jit.CompilationUnit(code)\",\n \" @_inline_everything\\n def test_early_return_fork_join(self):\\n @torch.jit.script\\n def foo(x):\\n if x.dim() == 2:\\n return torch.neg(x), x\\n else:\\n return torch.neg(x), x + 1\",\n \" x = torch.rand(3, 4)\",\n \" @torch.jit.script\\n def wait_script(x):\\n fut = torch.jit._fork(foo, x)\\n y_hat = foo(x)\\n y = torch.jit._wait(fut)\\n return y, y_hat\",\n \" FileCheck().check(\\\"with prim::fork\\\").check(\\\"prim::If\\\").check(\\\"return\\\")\\\\\\n .run(wait_script.graph)\",\n \" def test_early_return_type_refinement(self):\\n @torch.jit.script\\n def test(x):\\n # type: (Optional[int]) -> int\\n if x is None:\\n return 1\\n else:\\n return x\\n self.assertEqual(test(None), 1)\\n self.assertEqual(test(2), 2)\",\n \" def test_exceptions_with_control_flow(self):\\n def test_num_ifs(func, num_ifs):\\n g = torch.jit.script(func).graph\\n FileCheck().check_count(\\\"prim::If\\\", num_ifs, exactly=True).run(g)\",\n \" def no_guard_ifs_added(x):\\n # type: (int) -> int\\n if x == 1:\\n return 1\\n else:\\n if x == 2:\\n raise RuntimeError(\\\"hi\\\")\\n else:\\n raise RuntimeError(\\\"hi\\\")\",\n \" self.checkScript(no_guard_ifs_added, (1,))\\n self.checkScriptRaisesRegex(no_guard_ifs_added, (2,), Exception, \\\"\\\")\\n test_num_ifs(no_guard_ifs_added, 2)\",\n \" # FUNCTION LOOKS LIKE:\\n # graph(%x.1 : int):\\n # %7 : str = prim::Constant[value=\\\"Exception\\\"]()\\n # %2 : int = prim::Constant[value=1]()\\n # %5 : int = prim::Constant[value=2]()\\n # %19 : int = prim::Uninitialized()\\n # %3 : bool = aten::eq(%x.1, %2)\\n # %20 : int = prim::If(%3)\\n # block0():\\n # -> (%2)\\n # block1():\\n # %6 : bool = aten::eq(%x.1, %5)\\n # = prim::If(%6)\\n # block0():\\n # = prim::RaiseException(%7)\\n # -> ()\\n # block1():\\n # = prim::RaiseException(%7)\\n # -> ()\\n # -> (%19)\\n # return (%20)\",\n \" def no_ifs_added(x):\\n # type: (int) -> int\\n if x < 0:\\n raise RuntimeError(\\\"hi\\\")\\n return x\",\n \" self.checkScript(no_ifs_added, (1,))\\n self.checkScriptRaisesRegex(no_ifs_added, (-2,), Exception, \\\"\\\")\\n test_num_ifs(no_ifs_added, 1)\",\n \" def test_if_might(x):\\n # type: (int)\\n if x > 0:\\n if x == 1:\\n return 1\\n else:\\n a = 2\\n else:\\n raise RuntimeError(\\\"hi\\\")\\n return a + 2\",\n \" self.checkScript(test_if_might, (1,))\\n self.checkScript(test_if_might, (3,))\\n self.checkScriptRaisesRegex(no_ifs_added, (-2,), Exception, \\\"\\\")\\n test_num_ifs(test_if_might, 3) # one if added to guard a + 2\",\n \" def test_loop_no_escape(x):\\n # type: (int)\\n if x >= 0:\\n for i in range(x):\\n raise RuntimeError(\\\"hi\\\")\\n else:\\n return 5\\n return x + 3\",\n \" self.checkScript(test_loop_no_escape, (0,))\\n self.checkScript(test_loop_no_escape, (-1,))\\n self.checkScriptRaisesRegex(test_loop_no_escape, (1,), Exception, \\\"\\\")\",\n \" # if guard gets optimized away\\n test_num_ifs(test_loop_no_escape, 1)\",\n \" def test_loop_exception_with_continue(x):\\n # type: (int)\\n i = 0\\n for i in range(5):\\n if i == x:\\n raise RuntimeError(\\\"hi\\\")\\n else:\\n continue\\n print(i)\\n return i + 5\",\n \" self.checkScript(test_loop_exception_with_continue, (-1,))\\n self.checkScriptRaisesRegex(test_loop_exception_with_continue, (1,), Exception, \\\"\\\")\\n test_num_ifs(test_loop_exception_with_continue, 1) # no ifs added to guard print\",\n \"\\n def test_exception_exits_closure(self):\\n code = dedent('''\\n def no_return_func(self):\\n # type: (Tensor) -> Tensor\\n output = torch.tanh(self)\\n def backward(grad_output):\\n raise RuntimeError(\\\"Hi\\\")\\n ''')\\n with self.assertRaisesRegex(RuntimeError, \\\"does not return along all\\\"):\\n cu = torch.jit.CompilationUnit(code)\",\n \" code = dedent('''\\n def test_exit_pair_reset(x):\\n # type: (int) -> int\\n if x > 0:\\n a = 0\\n def backward(grad_output):\\n raise RuntimeError(\\\"Hi\\\")\\n a = a + 1\\n else:\\n return x\\n return a + 1\\n ''')\\n func = torch.jit.CompilationUnit(code).test_exit_pair_reset\\n self.assertEqual(func(1,), 2)\\n self.assertEqual(func(-1,), -1)\\n # final a + 1 gets inlined into the first branch and optimized away\\n FileCheck().check_count(\\\"prim::If\\\", 1, exactly=True).run(func.graph)\",\n \" def test_non_final_return(self):\\n def simple(x):\\n if bool(x > 3):\\n return x + 1\\n else:\\n return x + 2\\n raise RuntimeError(\\\"nope\\\")\",\n \" def nest(x):\\n x = x + 1\\n if bool(x > 3):\\n if bool(x > 4):\\n x += 1\\n return x + 1\\n else:\\n return x + 2\",\n \" def early_ret(x):\\n x = x + 1\\n if bool(x > 3):\\n return x + 1\\n x = x + 1\\n return x + 2\",\n \" def nest_early_ret(x):\\n x = x + 1\\n if bool(x > 3):\\n if bool(x > 4):\\n return x + 2\\n return x + 1\\n x = x + 1\\n return x + 2\",\n \" def not_early_ret(x):\\n s = \\\"\\\"\\n if bool(x > 3):\\n if bool(x > 4):\\n return 1, s\\n s += \\\"foo\\\"\\n else:\\n s += \\\"5\\\"\\n s += \\\"hi\\\"\\n return 7, s\",\n \" def not_total_ret(x):\\n s = \\\"\\\"\\n if bool(x > 3):\\n if bool(x > 4):\\n return 1, s\\n else:\\n return 2, s\\n else:\\n s += \\\"5\\\"\\n return 7, s\",\n \" for i in range(3):\\n for func in [simple, nest, early_ret, nest_early_ret, not_early_ret,\\n not_total_ret]:\\n self.checkScript(func, (torch.tensor(2.5 + i),))\",\n \" def vars_used_after_ret(x):\\n # type: (int) -> int\\n if x == 0:\\n return x\\n else:\\n y = 2\\n z = 3\\n return x + y * z\",\n \" self.checkScript(vars_used_after_ret, (1,))\\n self.checkScript(vars_used_after_ret, (0,))\",\n \" def complicated(x):\\n # type: (int) -> int\\n if x:\\n if x == 2:\\n return 1\\n assert 1 == 2\\n else:\\n if x == 3:\\n return 2\\n assert 1 == 2\\n else:\\n a = 2\\n b = 3\\n else:\\n a = 4\\n b = 1\\n return a + b\\n assert 1 == 2\",\n \" for i in range(4):\\n self.checkScript(complicated, (i,))\",\n \" def test_partial_returns(self):\\n with self.assertRaisesRegex(RuntimeError, \\\"does not return along all\\\"):\\n @torch.jit.script\\n def no_ret():\\n # type: () -> int\\n pass\",\n \" with self.assertRaisesRegex(RuntimeError, \\\"does not return along all\\\"):\\n @torch.jit.script\\n def partial(x):\\n # type: (Tensor) -> int\\n if x:\\n return 1\",\n \" with self.assertRaisesRegex(RuntimeError, \\\"does not return along all\\\"):\\n @torch.jit.script\\n def typed_none():\\n # type: () -> Optional[int]\\n pass\",\n \" @torch.jit.script\\n def none_ret():\\n pass\",\n \" self.assertIs(none_ret(), None)\\n FileCheck().check(\\\": None\\\").run(none_ret.graph)\",\n \" def test_early_returns_loops(self):\\n def nest_while_ret(x):\\n # type: (int) -> int\\n y = 4\\n while x < 4:\\n if x < 3:\\n return y\\n else:\\n y = y + 1\\n break\\n y = y + 2\\n y = y + 1\\n return y\",\n \" self.checkScript(nest_while_ret, (2,))\\n self.checkScript(nest_while_ret, (3,))\\n self.checkScript(nest_while_ret, (4,))\",\n \" def loop_ret(x, y):\\n # type: (int, int) -> (int)\\n i = 0\\n for i in range(x):\\n if x == y:\\n return x + y\\n i = i + y\\n i = i - 1\\n return i\",\n \" self.checkScript(loop_ret, (3, 3))\\n self.checkScript(loop_ret, (2, 3))\\n self.checkScript(loop_ret, (3, 1))\",\n \" def test_will_ret(y):\\n # type: (int) -> int\\n for i in range(y):\\n return 2\\n return 1\",\n \" self.checkScript(test_will_ret, (0,))\\n self.checkScript(test_will_ret, (1,))\",\n \" def test_loop_nest_ret(y):\\n # type: (int) -> int\\n for i in range(y):\\n for i in range(y - 2):\\n return 10\\n return 5\\n return 0\",\n \" self.checkScript(test_loop_nest_ret, (0,))\\n self.checkScript(test_loop_nest_ret, (1,))\\n self.checkScript(test_loop_nest_ret, (2,))\",\n \" def test_nn_init(self):\\n tests = (\\n ('constant_', (lambda: (torch.ones(2, 2), 2.5)), \\\"Tensor, float\\\"),\\n ('ones_', (lambda: (torch.ones(2, 2),)), \\\"Tensor\\\"),\\n ('zeros_', (lambda: (torch.ones(2, 2),)), \\\"Tensor\\\"),\\n ('uniform_', (lambda: (torch.ones(2, 2),)), \\\"Tensor\\\"),\\n ('normal_', (lambda: (torch.ones(2, 2),)), \\\"Tensor\\\"),\\n ('xavier_normal_', (lambda: (torch.ones(2, 2),)), \\\"Tensor\\\"),\\n ('xavier_uniform_', (lambda: (torch.ones(2, 2),)), \\\"Tensor\\\"),\\n )\",\n \" for name, args_fn, type_str in tests:\\n # Build test code\\n arg_str = ', '.join([chr(i + ord('a')) for i in range(len(args_fn()))])\",\n \" code = dedent('''\\n def test({arg_str}):\\n # type: ({type_str})\\n return torch.nn.init.{name}({arg_str})\\n ''').format(arg_str=arg_str, type_str=type_str, name=name)\\n cu = torch.jit.CompilationUnit(code)\",\n \" # Compare functions\\n init_fn = getattr(torch.nn.init, name)\\n script_out = self.runAndSaveRNG(cu.test, args_fn())\\n eager_out = self.runAndSaveRNG(init_fn, args_fn())\\n self.assertEqual(script_out, eager_out)\",\n \" FileCheck().check_not(\\\"prim::PythonOp\\\").run(cu.test.graph)\",\n \" def test_early_return_rewrite(self):\\n def test_foo(x: bool):\\n if x:\\n return 1\\n return 2\",\n \" self.checkScript(test_foo, (True,))\\n self.checkScript(test_foo, (False,))\\n FileCheck().check_count(\\\"prim::If\\\", 1, exactly=True).run(torch.jit.script(test_foo).graph)\",\n \" def test_multiple(x: int):\\n if x == 5:\\n return x * x\\n else:\\n y = 2 * x\",\n \" z = y * 2\\n if z == 8:\\n return 1\",\n \" if z != 16:\\n z = z - 2\\n abc = 4\\n else:\\n return 3\",\n \" z = z * abc\\n return z * z * z\",\n \" self.checkScript(test_multiple, (5,))\\n self.checkScript(test_multiple, (2,))\\n self.checkScript(test_multiple, (4,))\\n self.checkScript(test_multiple, (3,))\\n self.checkScript(test_multiple, (10,))\",\n \" graph = torch.jit.script(test_multiple).graph\\n FileCheck().check_count(\\\"prim::If\\\", 3, exactly=True).run(graph)\",\n \" def test_is_scripting_metacompile(self):\\n @torch.jit.script\\n def foo():\\n if torch.jit.is_scripting():\\n return 1\\n else:\\n print(\\\"hello\\\") + 2 # will not be compiled\",\n \" self.assertEqual(foo(), 1)\",\n \" def test_boolean_literal_constant_metacompile(self):\\n class Mod(torch.nn.Module):\\n __constants__ = ['val']\",\n \" def __init__(self, val):\\n super(Mod, self).__init__()\\n self.val = val\",\n \" def forward(self):\\n if self.val:\\n return 1\\n else:\\n return \\\"2\\\"\",\n \" self.checkModule(Mod(True), ())\\n self.checkModule(Mod(False), ())\",\n \" @torch.jit.script\\n def foo():\\n if True:\\n return 1\\n else:\\n return \\\"2\\\"\",\n \" self.assertEqual(foo(), 1)\",\n \" def test_assert_is_scripting_metacompile(self):\\n def foo():\\n assert not torch.jit.is_scripting(), \\\"TestErrorMsg\\\"\\n print(\\\"hello\\\") + 2 # will not be compiled\",\n \" f = torch.jit.script(foo)\\n with self.assertRaisesRegex(torch.jit.Error, \\\"TestErrorMsg\\\"):\\n f()\",\n \" def test_isinstance_metacompile(self):\\n @torch.jit.script\\n def test_primitive_type(x):\\n # type: (int) -> int\\n if isinstance(x, int):\\n return x + 1\\n else:\\n return x - 1\",\n \" self.assertEqual(test_primitive_type(1), 2)\\n with self.assertRaisesRegex(Exception, \\\"Expected a value of type\\\"):\\n test_primitive_type(1.5)\",\n \" _MyNamedTuple = namedtuple('_MyNamedTuple', ['value'])\",\n \" @torch.jit.script\\n def test_non_primitive_types(x):\\n # type: (_MyNamedTuple) -> Tensor\\n if isinstance(1, _MyNamedTuple):\\n return 10\",\n \" if isinstance(x, _MyNamedTuple):\\n return x.value + 1\\n else:\\n return 1\",\n \" out = test_non_primitive_types(_MyNamedTuple(value=torch.tensor(5.0)))\\n self.assertEqual(out, torch.tensor(6.0))\",\n \" def test_namedtuple_type_inference(self):\\n _AnnotatedNamedTuple = NamedTuple('_NamedTupleAnnotated', [('value', int)])\\n _UnannotatedNamedTuple = namedtuple('_NamedTupleUnAnnotated', ['value'])\",\n \" def test_check_named_tuple_value():\\n named_tuple = _AnnotatedNamedTuple(1)\\n return named_tuple.value\",\n \" self.checkScript(test_check_named_tuple_value, ())\",\n \" def test_error():\\n return _UnannotatedNamedTuple(1)\",\n \" with self.assertRaisesRegex(RuntimeError, r\\\"Expected a value of type \\\\'Tensor \\\\(inferred\\\\)\\\\' \\\"\\n r\\\"for argument \\\\'value\\\\' but instead found type \\\\'int\\\\'.\\\"):\\n torch.jit.script(test_error)\",\n \" def test_namedtuple_default_values_simple_type(self):\",\n \" class Point(NamedTuple):\\n x: Optional[int] = None\\n y: int = 2\",\n \" make_global(Point)\",\n \" class M(torch.nn.Module):\\n def __init__(self):\\n super(M, self).__init__()\",\n \" def forward(self, point: Point):\\n return point\",\n \" p = Point(x=3, y=2)\",\n \" self.checkModule(M(), (p,))\\n self.checkModule(M(), (Point(),))\",\n \" m = torch.jit.script(M())\",\n \" FileCheck().check(r\\\"NamedTuple(x : int? = None, y : int = 2))\\\") \\\\\\n .run(m.graph)\",\n \" def test_namedtuple_default_values_missing(self):\",\n \" class Point(NamedTuple):\\n x: Optional[int]\\n y: int\\n z: int = 3\",\n \" make_global(Point)\",\n \" class M(torch.nn.Module):\\n def __init__(self):\\n super(M, self).__init__()\",\n \" def forward(self, point: Point):\\n return point\",\n \" p1 = Point(x=3, y=2)\\n p2 = Point(x=3, y=2, z=1)\",\n \" self.checkModule(M(), (p1,))\\n self.checkModule(M(), (p2,))\",\n \" m = torch.jit.script(M())\",\n \" FileCheck().check(r\\\"NamedTuple(x : int?, y : int, z : int = 3))\\\") \\\\\\n .run(m.graph)\",\n \" def test_namedtuple_default_values_container_type(self):\",\n \" class Point(NamedTuple):\\n x: Optional[List[int]] = None\\n y: List[int] = [1, 2, 3]\\n z: Optional[Dict[str, int]] = {\\\"a\\\": 1}\",\n \" make_global(Point)\",\n \" class M(torch.nn.Module):\\n def __init__(self):\\n super(M, self).__init__()\",\n \" def forward(self, point: Point):\\n return point\",\n \" p = Point(x=[4, 5, 6], y=[3, 2, 1], z={\\\"b\\\": 2})\",\n \" self.checkModule(M(), (p,))\\n self.checkModule(M(), (Point(),))\",\n \" m = torch.jit.script(M())\",\n \" first_line = r\\\"NamedTuple(x : int[]? = None, y : int[] = \\\" \\\\\\n r\\\"[1, 2, 3], z : Dict(str, int)? = {a: 1}))\\\"\",\n \" FileCheck().check(first_line) \\\\\\n .run(m.graph)\",\n \" def test_namedtuple_default_values_Tensor_type(self):\",\n \" class Point(NamedTuple):\\n x: torch.Tensor = torch.rand(2, 3)\",\n \" make_global(Point)\",\n \" class M(torch.nn.Module):\\n def __init__(self):\\n super(M, self).__init__()\",\n \" def forward(self, point: Point):\\n return point\",\n \" p = Point(x=torch.rand(2, 3))\",\n \" with self.assertRaisesRegex(RuntimeError, \\\"Tensors are not \\\"\\n \\\"supported as default NamedTuple \\\"\\n \\\"fields\\\"):\\n m = torch.jit.script(M())\\n m(p)\",\n \" @unittest.skipIf(sys.version_info < (3, 7, 0), \\\"defaults keyword added in Python 3.8\\\")\\n def test_namedtuple_default_values_using_factory_constructor(self):\\n Pair = namedtuple(\\\"Pair\\\", [\\\"x\\\", \\\"y\\\"], defaults=(1, 2))\",\n \" make_global(Pair)\",\n \" @torch.jit.script\\n def fn(x: Pair) -> Pair:\\n return x\",\n \" # TODO: We can't use `checkScript` with the NamedTuple factory\\n # constructor. Using the factory constructor with TorchScript\\n # TorchScript creates an anonymous `NamedTuple` class instead of\\n # preserving the actual name. For example, the actual generated\\n # signature in this case is:\\n # graph(%x.1 : NamedTuple(x : Tensor, y : Tensor))\\n # It looks like similar test cases have had this issue as well\\n # (see: `test_namedtuple_python`).\\n FileCheck().check(r\\\"NamedTuple(x : Tensor = 1, y : Tensor = 2))\\\") \\\\\\n .check_next(r\\\"return (%x.1)\\\") \\\\\\n .run(fn.graph)\",\n \" def test_isinstance_dynamic(self):\\n @torch.jit.script\\n def foo(a):\\n # type: (Optional[List[int]]) -> int\\n b = 0\\n if isinstance(a, (int, (float,), list, str)):\\n b += 1\\n if isinstance(a, (int, str)):\\n b += 1\\n if isinstance(a, List[int]):\\n b += 1\\n return b\\n self.assertEqual(foo([3, 4]), 2)\\n self.assertEqual(foo(None), 0)\",\n \" def test_function_overloads(self):\\n # TODO: pyflakes currently does not compose @overload annotation with other\\n # decorators. This is fixed on master but not on version 2.1.1.\\n # Next version update remove noqa and add @typing.overload annotation\",\n \" @torch.jit._overload # noqa: F811\\n def test_simple(x1): # noqa: F811\\n # type: (int) -> int\\n pass\",\n \" @torch.jit._overload # noqa: F811\\n def test_simple(x1): # noqa: F811\\n # type: (float) -> float\\n pass\",\n \" def test_simple(x1): # noqa: F811\\n return x1\",\n \" def invoke_function():\\n return test_simple(1.0), test_simple(.5)\",\n \" self.checkScript(invoke_function, ())\",\n \" # testing that the functions are cached\\n compiled_fns_1 = torch.jit._script._get_overloads(test_simple)\\n compiled_fns_2 = torch.jit._script._get_overloads(test_simple)\\n for a, b in zip(compiled_fns_1, compiled_fns_2):\\n self.assertIs(a.graph, b.graph)\",\n \" old_func = test_simple\",\n \" # testing that new functions added work with caching\\n @torch.jit._overload # noqa: F811\\n def test_simple(x1): # noqa: F811\\n # type: (str) -> str\\n pass\",\n \" @torch.jit.script\\n def my_func():\\n return old_func(\\\"hi\\\")\",\n \" # testing new function same qualified name\\n @torch.jit._overload # noqa: F811\\n def test_simple(a, b): # noqa: F811\\n # type: (int, int) -> int\\n pass\",\n \" def test_simple(a, b):\\n return a + b\",\n \" @torch.jit.script\\n def fn():\\n return test_simple(3, 4)\",\n \" self.assertEqual(fn(), 7)\",\n \" # currently we take the default values have to be specified in the\\n # overload as well - TODO take them from implementation and apply\\n # where the type is valid.\\n @torch.jit._overload # noqa: F811\\n def identity(x1): # noqa: F811\\n # type: (str) -> str\\n pass\",\n \" @torch.jit._overload # noqa: F811\\n def identity(x1): # noqa: F811\\n # type: (float) -> float\\n pass\",\n \" def identity(x1=1.0): # noqa: F811\\n return x1\",\n \" def invoke():\\n return identity(), identity(.5), identity(\\\"hi\\\")\",\n \" self.checkScript(invoke, ())\",\n \" def schema_match_failure():\\n return identity((1, 2))\",\n \" thrown = False\\n try:\\n torch.jit.script(schema_match_failure)\\n except Exception as e:\\n thrown = True\\n self.assertTrue(r\\\"of type 'str'\\\" in str(e) and r\\\"of type 'float\\\" in str(e))\\n self.assertTrue(thrown)\",\n \" with self.assertRaisesRegex(Exception, \\\"cannot be directly compiled\\\"):\\n torch.jit.script(identity)\",\n \" @torch.jit._overload # noqa: F811\\n def impl_compile_failure(x, y): # noqa: F811\\n # type: (str, str) -> (str)\\n pass\",\n \" @torch.jit._overload # noqa: F811\\n def impl_compile_failure(x, y): # noqa: F811\\n # type: (int, int) -> (int)\\n pass\",\n \" def impl_compile_failure(x, y): # noqa: F811\\n return x - y\",\n \" def test():\\n impl_compile_failure(\\\"one\\\", \\\"two\\\")\",\n \"\\n with self.assertRaisesRegex(Exception, \\\"Arguments for call are not valid\\\"):\\n torch.jit.script(test)\",\n \" @torch.jit._overload # noqa: F811\\n def good_overload(x=1): # noqa: F811\\n # type: (int) -> (int)\\n pass\",\n \" def good_overload(x=1): # noqa: F811\\n return x\",\n \" @torch.jit.script\\n def foo():\\n return good_overload()\",\n \" self.assertEqual(foo(), 1)\",\n \"\\n with self.assertRaisesRegex(Exception, \\\"must equal to the default parameter\\\"):\\n @torch.jit._overload # noqa: F811\\n def bad_default_on_overload(x, y=2): # noqa: F811\\n # type: (int, int) -> (int)\\n pass\",\n \" def bad_default_on_overload(x, y=1): # noqa: F811\\n # type: (int, int) -> (int)\\n pass\",\n \" @torch.jit.script\\n def test():\\n return bad_default_on_overload(1, 2)\",\n \" @torch.jit._overload # noqa: F811\\n def diff_default(x): # noqa: F811\\n # type: (int) -> int\\n pass\",\n \" @torch.jit._overload # noqa: F811\\n def diff_default(x): # noqa: F811\\n # type: (str) -> str\\n pass\",\n \" def diff_default(x=\\\"hi\\\"): # noqa: F811\\n return x\",\n \" def test():\\n return diff_default(), diff_default(2), diff_default(\\\"abc\\\")\",\n \" self.assertEqual(test(), torch.jit.script(test)())\",\n \" @torch.jit._overload # noqa: F811\\n def diff_num_params(x): # noqa: F811\\n # type: (float) -> float\\n pass\",\n \" @torch.jit._overload # noqa: F811\\n def diff_num_params(x, y): # noqa: F811\\n # type: (int, int) -> int\\n pass\",\n \" def diff_num_params(x, y=2, z=3): # noqa: F811\\n # type: (Union[float, int], int, int)\\n return x + y + z\",\n \" def test():\\n return diff_num_params(1.0), diff_num_params(1, 2), diff_num_params(1), diff_num_params(1, 2, 3)\",\n \" self.assertEqual(test(), torch.jit.script(test)())\",\n \" @torch.jit._overload # noqa: F811\\n def diff_num_params_no_annot():\\n # type: () -> int\\n pass\",\n \" def diff_num_params_no_annot(x=1): # noqa: F811\\n return x\",\n \" def test():\\n return diff_num_params_no_annot(1.0)\",\n \" with self.assertRaisesRegex(Exception, \\\"Parameters not specified\\\"):\\n torch.jit.script(test)\",\n \" def test_function_overload_misuse(self):\\n with self.assertRaisesRegex(RuntimeError, \\\"Only `pass` statement or `...` can be the body\\\"):\\n @torch.jit._overload\\n def wrong_decl_body(x: str) -> str:\\n return x + \\\"0\\\"\",\n \" with self.assertRaisesRegex(RuntimeError, \\\"Only `pass` statement or `...` can be the body\\\"):\\n class MyClass:\\n @torch.jit._overload_method\\n def method(self):\\n return 0\",\n \" @torch.jit._overload\\n def null_overload(x: int) -> int: ... # noqa: E704\",\n \" @torch.jit._overload # noqa: F811\\n def null_overload(x: str) -> str: # noqa: F811\\n pass\",\n \" def null_overload_driver():\\n return null_overload(0)\",\n \" with self.assertRaisesRegex(RuntimeError, 'Implementation for the function \\\".+\\\" is missing.'):\\n torch.jit.script(null_overload_driver)\",\n \" class OverloadMisuse(torch.nn.Module):\\n def __init__(self):\\n super().__init__()\",\n \" @torch.jit._overload_method\\n def forward(self, x: int):\\n pass\",\n \" @torch.jit._overload_method # noqa: F811\\n def forward(self, x: Tensor): # noqa: F811\\n pass\",\n \" with self.assertRaisesRegex(RuntimeError, 'Implementation for the method \\\".+\\\" is missing.'):\\n m = torch.jit.script(OverloadMisuse())\",\n \"\\n def test_script_method_torch_function_overload(self):\\n class MyCustomTensor(torch.Tensor):\\n pass\",\n \" class MyCustomModule(torch.nn.Module):\\n def forward(self, x):\\n return torch.relu(x)\",\n \" scripted_mod = torch.jit.script(MyCustomModule())\\n t = torch.tensor([3.0])\\n ref_out = scripted_mod(t)\",\n \" t_custom = MyCustomTensor([3.0])\\n out1 = scripted_mod(t_custom)\\n self.assertEqual(out1, ref_out)\",\n \" out2 = scripted_mod.forward(t_custom)\\n self.assertEqual(out2, ref_out)\",\n \" def test_function_overloading_isinstance(self):\\n @torch.jit._overload # noqa: F811\\n def my_conv(x, y): # noqa: F811\\n # type: (float, str) -> (float)\\n pass\",\n \" @torch.jit._overload # noqa: F811\\n def my_conv(x, y): # noqa: F811\\n # type: (float, float) -> (float)\\n pass\",\n \" def my_conv(x, y=2.0): # noqa: F811\\n if isinstance(y, str):\\n if y == \\\"hi\\\":\\n return 4.0 - x\\n else:\\n return 5.0 - x\\n else:\\n return 2.0 + x\",\n \" def test_uses():\\n return my_conv(1.5), my_conv(1.5, \\\"hi\\\"), my_conv(1.5, 5.0)\",\n \" self.checkScript(test_uses, ())\",\n \" def test_method_overloading(self):\\n class Over(torch.nn.Module):\\n def __init__(self):\\n super(Over, self).__init__()\",\n \" @torch.jit._overload_method # noqa: F811\\n def forward(self, x): # noqa: F811\\n # type: (Tuple[Tensor, Tensor]) -> Tensor\\n pass\",\n \" @torch.jit._overload_method # noqa: F811\\n def forward(self, x): # noqa: F811\\n # type: (Tensor) -> Tensor\\n pass\",\n \" def forward(self, x): # noqa: F811\\n if isinstance(x, Tensor):\\n return x + 20\\n else:\\n return x[0] + 5\",\n \" class S(torch.jit.ScriptModule):\\n def __init__(self):\\n super(S, self).__init__()\\n self.weak = Over()\",\n \" @torch.jit.script_method\\n def forward(self, x):\\n return self.weak(x) + self.weak((x, x))\",\n \" s_mod = S()\\n x = torch.ones(1)\\n self.assertEqual(s_mod(x), x + 20 + 5 + x)\",\n \" over = Over()\\n self.assertEqual(over((x, x)), x + 5)\\n self.assertEqual(over((x)), x + 20)\",\n \" class Unannotated(torch.nn.Module):\\n def __init__(self):\\n super(Unannotated, self).__init__()\",\n \" @torch.jit._overload_method # noqa: F811\\n def hello(self, x): # noqa: F811\\n pass\",\n \" @torch.jit._overload_method # noqa: F811\\n def hello(self, x): # noqa: F811\\n # type: (int) -> (int)\\n pass\",\n \" def hello(self, x): # noqa: F811\\n return x + 3\",\n \" def forward(self):\\n return self.hello(1), self.hello(.5)\",\n \" w = Unannotated()\\n with self.assertRaisesRegex(Exception, \\\"explicitly add type annotations to overloaded functions\\\"):\\n torch.jit.script(w)\",\n \" class CompileOverloadError(torch.nn.Module):\\n def __init__(self):\\n super(CompileOverloadError, self).__init__()\",\n \" @torch.jit._overload_method # noqa: F811\\n def hello(self, x): # noqa: F811\\n # type: (str) -> (int)\\n pass\",\n \" @torch.jit._overload_method # noqa: F811\\n def hello(self, x): # noqa: F811\\n # type: (int) -> (int)\\n pass\",\n \" def hello(self, x): # noqa: F811\\n return x + 1\",\n \" def forward(self):\\n return self.hello(\\\"hi\\\"), self.hello(.5)\",\n \" w = CompileOverloadError()\\n with self.assertRaisesRegex(Exception, \\\"but instead found type \\\\'str\\\\'\\\"):\\n torch.jit.script(w)\",\n \" # testing overload declared first, then non-overload\\n with self.assertRaisesRegex(Exception, \\\"Overloads are not useable when a module\\\"):\\n class W3(torch.nn.Module):\\n def __init__(self):\\n super(W3, self).__init__()\",\n \" @torch.jit._overload_method # noqa: F811\\n def forward(self, x): # noqa: F811\\n # type: (int) -> int\\n pass\",\n \" @torch.jit._overload_method # noqa: F811\\n def forward(self, x): # noqa: F811\\n # type: (Tensor) -> Tensor\\n pass\",\n \" def forward(self, x): # noqa: F811\\n return x + 5\",\n \" a = W3()\\n b = torch.jit.script(a)\",\n \" class W3(torch.nn.Module):\\n def __init__(self):\\n super(W3, self).__init__()\",\n \" def forward(self, x): # noqa: F811\\n return x + 5 + 10\",\n \" a = W3()\\n b = torch.jit.script(a)\",\n \" # testing non-overload declared first, then overload\\n class W2(torch.nn.Module):\\n def __init__(self):\\n super(W2, self).__init__()\",\n \" def hello(self, x1, x2):\\n return x1 + x2\",\n \" def forward(self, x):\\n return self.hello(x, x)\",\n \" a = torch.jit.script(W2())\\n self.assertEqual(a(torch.tensor(1)), torch.tensor(2))\",\n \" class W2(torch.nn.Module):\\n def __init__(self):\\n super(W2, self).__init__()\",\n \" @torch.jit._overload_method # noqa: F811\\n def hello(self, x): # noqa: F811\\n pass\",\n \" @torch.jit._overload_method # noqa: F811\\n def hello(self, x): # noqa: F811\\n # type: (int) -> (int)\\n pass\",\n \" def hello(self, x): # noqa: F811\\n return x + 5 + 10\",\n \" def forward(self, x):\\n return self.hello(1), self.hello(x)\",\n \" with self.assertRaisesRegex(Exception, \\\"Overloads are not useable when a module\\\"):\\n a = torch.jit.script(W2())\",\n \" def test_narrow_copy(self):\\n def foo(a):\\n return a.narrow_copy(0, 0, 5)\",\n \" self.checkScript(foo, [torch.rand(10)])\",\n \" def test_select_after_chunk(self):\\n def foo(x):\\n chunked = torch.chunk(x, 1)\\n foo = chunked[0]\\n foo.add_(5)\\n return x\",\n \" self.checkScript(foo, [torch.rand(2, 3)])\",\n \" def test_nn_LSTM_with_layers(self):\\n class M(torch.jit.ScriptModule):\\n def __init__(self):\\n super(M, self).__init__()\\n self.rnn = nn.LSTM(2, 3, 2, dropout=0)\",\n \" @torch.jit.script_method\\n def forward(self, x, lengths, h0, c0):\\n return self.rnn(x, (h0, c0))[0]\",\n \" class Eager(torch.nn.Module):\\n def __init__(self):\\n super(Eager, self).__init__()\\n self.rnn = nn.LSTM(2, 3, 2, dropout=0)\",\n \" def forward(self, x, lengths, h0, c0):\\n return self.rnn(x, (h0, c0))[0]\",\n \" inputs = (torch.randn(1, 1, 2), torch.LongTensor([7]), torch.randn(2, 1, 3), torch.randn(2, 1, 3))\\n eager_out = self.runAndSaveRNG(lambda: Eager()(*inputs), ())[0]\\n script_out = self.runAndSaveRNG(lambda: M()(*inputs), ())[0]\",\n \" self.assertEqual(eager_out, script_out)\",\n \" def test_nn_LSTM(self):\\n input = torch.nn.utils.rnn.pack_sequence([torch.randn(5, 5)])\",\n \" class S(torch.jit.ScriptModule):\\n def __init__(self):\\n super(S, self).__init__()\\n self.x = torch.nn.LSTM(5, 5)\",\n \" @torch.jit.script_method\\n def forward(self, input: PackedSequence) -> Tuple[PackedSequence, Tuple[torch.Tensor, torch.Tensor]]:\\n return self.x(input)\",\n \" eager_out = self.runAndSaveRNG(lambda x: torch.nn.LSTM(5, 5)(x), (input,))[0]\\n script_out = self.runAndSaveRNG(lambda x: S()(x), (input,))[0]\",\n \" self.assertEqual(eager_out, script_out)\",\n \" def test_nn_GRU(self):\\n seq_input = torch.nn.utils.rnn.pack_sequence([torch.randn(5, 5)])\\n tensor_input = torch.randn(5, 5, 5)\",\n \" class SeqLengthGRU(torch.jit.ScriptModule):\\n def __init__(self):\\n super(SeqLengthGRU, self).__init__()\\n self.x = torch.nn.GRU(5, 5)\",\n \" @torch.jit.script_method\\n def forward(self, input: PackedSequence) -> Tuple[PackedSequence, torch.Tensor]:\\n return self.x(input)\",\n \" class TensorGRU(torch.jit.ScriptModule):\\n def __init__(self):\\n super(TensorGRU, self).__init__()\\n self.x = torch.nn.GRU(5, 5)\",\n \" @torch.jit.script_method\\n def forward(self, input: torch.Tensor) -> Tuple[torch.Tensor, torch.Tensor]:\\n return self.x(input)\",\n \" seq_eager_out = self.runAndSaveRNG(lambda x: torch.nn.GRU(5, 5)(x), (seq_input,))[0]\\n seq_script_out = self.runAndSaveRNG(lambda x: SeqLengthGRU()(x), (seq_input,))[0]\\n tensor_eager_out = self.runAndSaveRNG(lambda x: torch.nn.GRU(5, 5)(x), (tensor_input,))[0]\\n tensor_script_out = self.runAndSaveRNG(lambda x: TensorGRU()(x), (tensor_input,))[0]\",\n \" self.assertEqual(seq_eager_out, seq_script_out)\\n self.assertEqual(tensor_eager_out, tensor_script_out)\",\n \" def test_torchscript_memoryformat(self):\\n @torch.jit.script\\n def fn(x):\\n return x.contiguous(memory_format=torch.channels_last)\\n x = torch.randn(4, 3, 6, 6)\\n y = fn(x)\\n self.assertTrue(y.is_contiguous(memory_format=torch.channels_last))\",\n \" def test_torchscript_multi_head_attn(self):\\n @torch.jit.script\\n def jit_multihead_attn_forward(query, # type: Tensor\\n key, # type: Tensor\\n value, # type: Tensor\\n embed_dim_to_check, # type: int\\n num_heads, # type: int\\n in_proj_weight, # type: Tensor\\n in_proj_bias, # type: Tensor\\n bias_k, # type: Optional[Tensor]\\n bias_v, # type: Optional[Tensor]\\n add_zero_attn, # type: bool\\n dropout, # type: float\\n out_proj_weight, # type: Tensor\\n out_proj_bias, # type: Tensor\\n training=True, # type: bool\\n key_padding_mask=None, # type: Optional[Tensor]\\n need_weights=True, # type: bool\\n attn_mask=None # type: Optional[Tensor]\\n ):\\n # type: (...) -> Tuple[Tensor, Optional[Tensor]]\\n return torch.nn.functional.multi_head_attention_forward(query, key, value,\\n embed_dim_to_check, num_heads,\\n in_proj_weight, in_proj_bias,\\n bias_k, bias_v,\\n add_zero_attn, dropout,\\n out_proj_weight, out_proj_bias,\\n training, key_padding_mask,\\n need_weights, attn_mask)\",\n \" src_l = 3\\n bsz = 5\\n embed_size = 8\\n nhead = 2\\n multi_head_attn = torch.nn.MultiheadAttention(embed_size, nhead)\\n query = torch.rand((src_l, bsz, embed_size))\\n key = torch.rand((src_l, bsz, embed_size))\\n value = torch.rand((src_l, bsz, embed_size))\",\n \" mask = (torch.triu(torch.ones(src_l, src_l)) == 1).transpose(0, 1)\\n mask = mask.float().masked_fill(mask == 0, float('-inf')).masked_fill(mask == 1, float(0.0)).double()\",\n \" jit_out = jit_multihead_attn_forward(query, key, value,\\n embed_size, nhead,\\n multi_head_attn.in_proj_weight,\\n multi_head_attn.in_proj_bias,\\n multi_head_attn.bias_k, multi_head_attn.bias_v,\\n multi_head_attn.add_zero_attn, multi_head_attn.dropout,\\n multi_head_attn.out_proj.weight,\\n multi_head_attn.out_proj.bias, attn_mask=mask)[0]\",\n \" py_out = torch.nn.functional.multi_head_attention_forward(query, key, value,\\n embed_size, nhead,\\n multi_head_attn.in_proj_weight,\\n multi_head_attn.in_proj_bias,\\n multi_head_attn.bias_k,\\n multi_head_attn.bias_v,\\n multi_head_attn.add_zero_attn,\\n multi_head_attn.dropout,\\n multi_head_attn.out_proj.weight,\\n multi_head_attn.out_proj.bias,\\n attn_mask=mask)[0]\\n # print(\\\"rel. error: \\\")\\n # print(jit_out / py_out - 1)\\n self.assertEqual(jit_out, py_out, atol=5e-4, rtol=1e-4)\",\n \" def test_torchscript_multi_head_attn_fast_path(self):\\n src_l = 3\\n bsz = 5\\n embed_size = 8\\n nhead = 2\\n multi_head_attn = torch.nn.MultiheadAttention(embed_size, nhead, batch_first=True)\\n multi_head_attn = multi_head_attn.eval()\",\n \" query = key = value = torch.rand((bsz, src_l, embed_size))\",\n \" with torch.no_grad():\\n py_out = multi_head_attn(query, key, value)\\n mha = torch.jit.script(multi_head_attn)\\n jit_out = mha(query, key, value)\\n torch.testing.assert_close(jit_out, py_out)\",\n \" @unittest.skipIf(not RUN_CUDA, \\\"no CUDA\\\")\\n def test_scriptmodule_multi_head_attn_cuda(self):\",\n \" class MyModule(torch.jit.ScriptModule):\\n def __init__(self, embed_dim, num_heads):\\n super(MyModule, self).__init__()\\n sample_q = torch.randn(3, 2, embed_dim)\\n sample_kv = torch.randn(3, 2, embed_dim)\\n attention = nn.MultiheadAttention(embed_dim, num_heads)\\n attention.eval()\",\n \" self.mod = torch.jit.trace(attention,\\n (sample_q, sample_kv, sample_kv))\",\n \" @torch.jit.script_method\\n def forward(self, q, k, v):\\n return self.mod(q, k, v)\",\n \" embed_dim = 8\\n num_heads = 2\\n sl = 3\\n bs = 2\\n model = MyModule(embed_dim, num_heads).cuda()\\n q = torch.randn(sl, bs, embed_dim, device=\\\"cuda\\\")\\n kv = torch.randn(sl, bs, embed_dim, device=\\\"cuda\\\")\",\n \" jit_out = model(q, kv, kv)[0]\\n py_out = torch.nn.functional.multi_head_attention_forward(q, kv, kv,\\n embed_dim, num_heads,\\n model.mod.in_proj_weight,\\n model.mod.in_proj_bias,\\n None, None, None, 0.0,\\n model.mod.out_proj.weight,\\n model.mod.out_proj.bias)[0]\\n self.assertEqual(jit_out, py_out, atol=5e-4, rtol=1e-4)\",\n \" @unittest.skipIf(not RUN_CUDA, \\\"no CUDA\\\")\\n def test_scriptmodule_transformer_cuda(self):\",\n \" class MyModule(torch.jit.ScriptModule):\\n def __init__(self, transformer, sample_q, sample_kv):\\n super(MyModule, self).__init__()\\n transformer.eval()\",\n \" self.mod = torch.jit.trace(transformer,\\n (sample_q, sample_kv))\",\n \" @torch.jit.script_method\\n def forward(self, q, k):\\n return self.mod(q, k)\",\n \" d_model = 8\\n nhead = 2\\n num_encoder_layers = 2\\n num_decoder_layers = 2\\n dim_feedforward = 16\\n bsz = 2\\n seq_length = 5\\n tgt_length = 3\",\n \" src = torch.randn(seq_length, bsz, d_model)\\n tgt = torch.randn(tgt_length, bsz, d_model)\\n transformer = nn.Transformer(d_model, nhead, num_encoder_layers,\\n num_decoder_layers, dim_feedforward, dropout=0.0)\\n model = MyModule(transformer, tgt, src)\",\n \" src = torch.randn(seq_length, bsz, d_model)\\n tgt = torch.randn(tgt_length, bsz, d_model)\\n jit_out = model(tgt, src)\\n py_out = transformer(tgt, src)\",\n \" # print(jit_out/py_out-1)\\n # print(torch.allclose(jit_out, py_out, atol=5e-4, rtol=1e-4))\\n self.assertEqual(jit_out, py_out, atol=5e-4, rtol=1e-4)\",\n \" def test_list_python_op(self):\\n def python_list_op(lst):\\n # type: (List[Tensor]) -> Tensor\\n return lst[0]\",\n \" def fn(lst):\\n # type: (List[Tensor]) -> Tensor\\n return python_list_op(lst)\",\n \" self.checkScript(fn, ([torch.ones(2) + 2, torch.ones(2)],))\",\n \" @unittest.skipIf(not RUN_CUDA, \\\"no CUDA\\\")\\n def test_weak_cuda(self):\\n class M(torch.jit.ScriptModule):\\n def __init__(self):\\n super(M, self).__init__()\\n self.lstm = torch.nn.LSTM(5, 5)\\n self.lstm.cuda()\",\n \" @torch.jit.script_method\\n def forward(self, x):\\n return self.lstm(x)\",\n \" m = M()\\n m.cuda()\\n out = m(torch.ones(5, 5, 5).cuda())\\n self.assertTrue(out[0].is_cuda)\",\n \" def test_ignore_decorator(self):\\n with warnings.catch_warnings(record=True) as warns:\\n class M(torch.jit.ScriptModule):\\n def __init__(self):\\n super(M, self).__init__()\\n tensor = torch.zeros(1, requires_grad=False)\\n self.register_buffer('some_state', torch.nn.Parameter(tensor))\",\n \" @torch.jit.script_method\\n def forward(self, x):\\n self.ignored_code(x)\\n return x\",\n \" @torch.jit.ignore(drop_on_export=True)\\n def ignored_code(self, x):\\n self.some_state = torch.tensor((100,))\",\n \" FileCheck().check(\\\"TorchScript will now drop the function\\\").run(str(warns[0]))\",\n \" # Assert ignored code is run\\n m = M()\",\n \" m2 = self.getExportImportCopy(m)\\n pp = str(m2.forward.code)\\n self.assertNotIn('ignored_code', pp)\",\n \" with self.assertRaisesRegex(torch.jit.Error, \\\"annotated to be ignored and cannot be run\\\"):\\n m2.forward(torch.ones(1))\",\n \" def test_ignored_as_value(self):\\n class Model(nn.Module):\\n def __init__(self):\\n super(Model, self).__init__()\",\n \" @torch.jit.unused\\n def tuple_ignored(self, x):\\n # type: (Tensor) -> Tuple[Tensor, Tensor]\\n return x, x\",\n \" @torch.jit.unused\\n def single_val_ignored(self, x, y):\\n # type: (Tensor, Tensor) -> Tensor\\n return x\",\n \" def forward(self, x, use_ignore_path):\\n # type: (Tensor, bool) -> Tuple[Tensor, Tensor]\\n if 1 == 2:\\n return self.tuple_ignored(x)\\n if use_ignore_path:\\n return self.single_val_ignored(x, x), self.single_val_ignored(x, x)\\n return x, x\",\n \" original = Model()\\n scripted = torch.jit.script(original)\\n self.assertEqual(scripted(torch.tensor(.5), False), (torch.tensor(.5), torch.tensor(.5)))\",\n \" buffer = io.BytesIO()\\n torch.jit.save(scripted, buffer)\\n buffer.seek(0)\\n loaded = torch.jit.load(buffer)\",\n \" with self.assertRaisesRegex(torch.jit.Error, \\\"annotated to be ignored and cannot be run\\\"):\\n loaded(torch.tensor(.5), True)\",\n \" def test_module_error(self):\\n class MyModule(torch.nn.Module):\\n def __init__(self):\\n super(MyModule, self).__init__()\",\n \" def forward(self, foo):\\n return foo\",\n \" with self.assertRaisesRegex(RuntimeError, \\\"cannot be compiled since it inherits from nn.Module\\\"):\\n torch.jit.script(MyModule)\",\n \" def test_view_write(self):\\n def fn(x, y):\\n l = []\\n l.append(x)\\n x_view = l[0]\\n a = x + x\\n x_view.add_(y)\\n b = x + x\\n return a == b\\n self.checkScript(fn, (torch.rand(2, 3), torch.rand(2, 3)))\",\n \" def test_module_attrs(self):\\n class M(torch.jit.ScriptModule):\\n def __init__(self, table):\\n super(M, self).__init__()\\n self.table = torch.jit.Attribute(table, Dict[str, torch.Tensor])\\n self.x = torch.nn.Parameter(torch.tensor([100.0]))\",\n \" @torch.jit.script_method\\n def forward(self, key):\\n # type: (str) -> Tensor\\n return self.table[key] + self.x\",\n \" with torch._jit_internal._disable_emit_hooks():\\n # TODO: re-enable module hook when Python printing of attributes is\\n # supported\\n m = M({char : torch.ones(1) + ord(char) - ord(\\\"a\\\") for char in \\\"abcdefg\\\"})\\n self.assertEqual(m(\\\"c\\\"), torch.tensor([103.]))\",\n \" def test_module_none_attrs(self):\\n class MyMod(torch.jit.ScriptModule):\\n def __init__(self):\\n super(MyMod, self).__init__()\\n self.optional_value = None\",\n \" @torch.jit.script_method\\n def forward(self):\\n return self.optional_value\",\n \" graph = MyMod().forward.graph\\n FileCheck().check(\\\"prim::GetAttr\\\").run(graph)\\n self.run_pass('peephole', graph)\\n FileCheck().check_not(\\\"prim::GetAttr\\\").run(graph)\",\n \" def test_tensor_import_export(self):\\n @torch.jit.script\\n def foo(x):\\n a = torch.tensor(1)\\n b = torch.tensor([1, 2])\\n c = [a, b]\\n return c\",\n \" self.run_pass('constant_propagation', foo.graph)\\n m = self.createFunctionFromGraph(foo.graph)\\n self.getExportImportCopy(m)\",\n \" def get_pickle_values(self):\\n return (('dict', {\\\"I\\\": \\\"am\\\", \\\"a test\\\": \\\"test\\\"}, Dict[str, str]),\\n ('float', 2.3, float),\\n ('int', 99, int),\\n ('bool', False, bool),\\n ('tuple', (1, 2, 3, 4), Tuple[int, int, int, int]),\\n ('list', [(1, 2), (3, 4)], List[Tuple[int, int]]),\\n ('tensor', torch.randn(2, 2), torch.Tensor),\\n ('int_list', [1, 2, 3, 4], List[int]),\\n ('tensor_list', [torch.ones(2, 2) + i for i in range(4)], List[torch.Tensor]),\\n ('bool_list', [True, True, False, True], List[bool]),\\n ('float_list', [1., 2., 3., 4.], List[float]),\\n ('str_list', ['hello', 'bye'], List[str]),\\n ('none', None, Optional[int]),\\n ('a_device', torch.device('cpu'), torch.device),\\n ('another_device', torch.device('cuda:1'), torch.device))\",\n \" def test_attribute_serialization(self):\\n tester = self\",\n \" class M(torch.jit.ScriptModule):\\n def __init__(self):\\n super(M, self).__init__()\\n for name, value, the_type in tester.get_pickle_values():\\n setattr(self, name, torch.jit.Attribute(value, the_type))\",\n \" @torch.jit.script_method\\n def forward(self):\\n return (self.dict, self.float, self.int, self.bool, self.tuple,\\n self.list, self.int_list, self.tensor_list, self.bool_list,\\n self.float_list, self.str_list, self.none)\",\n \" m = M()\\n imported_m = self.getExportImportCopy(m)\\n self.assertEqual(m(), imported_m())\",\n \" def test_string_len(self):\\n def fn(x):\\n # type: (str) -> int\\n return len(x)\",\n \" self.checkScript(fn, (\\\"\\\",))\\n self.checkScript(fn, (\\\"h\\\",))\\n self.checkScript(fn, (\\\"hello\\\",))\",\n \" def test_multiline_optional_future_refinement(self):\\n @torch.jit.script\\n def fun() -> int:\\n future: Optional[\\n torch.jit.Future[Tuple[torch.Tensor]]\\n ] = None\",\n \" return 1\\n self.assertEqual(fun(), 1)\",\n \" @unittest.skipIf(IS_WINDOWS or IS_SANDCASTLE, \\\"NYI: TemporaryFileName support for Windows or Sandcastle\\\")\\n def test_attribute_unpickling(self):\\n tensor = torch.randn(2, 2)\\n tester = self\",\n \" class M(torch.jit.ScriptModule):\\n def __init__(self):\\n super(M, self).__init__()\\n for name, value, the_type in tester.get_pickle_values():\\n setattr(self, \\\"_\\\" + name, torch.jit.Attribute(value, the_type))\",\n \" @torch.jit.script_method\\n def forward(self):\\n return (self._dict, self._float, self._int, self._bool, self._tuple,\\n self._list, self._int_list, self._tensor_list, self._bool_list,\\n self._float_list, self._str_list, self._none)\",\n \" with TemporaryFileName() as fname:\\n M().save(fname)\\n loaded = torch.jit.load(fname)\",\n \" def is_tensor_value(item):\\n if isinstance(item, torch.Tensor):\\n return True\\n if isinstance(item, list):\\n return is_tensor_value(item[0])\\n return False\\n for name, value, the_type in self.get_pickle_values():\\n if is_tensor_value(value):\\n continue\\n self.assertEqual(value, getattr(loaded, \\\"_\\\" + name))\",\n \" @unittest.skipIf(IS_WINDOWS or IS_SANDCASTLE, \\\"NYI: TemporaryFileName support for Windows or Sandcastle\\\")\\n @unittest.skipIf(not BUILD_WITH_CAFFE2, \\\"PyTorch is build without Caffe2 support\\\")\\n def test_old_models_bc(self):\\n model = {\\n 'archive/version': b'1',\\n 'archive/code/archive.py':\\n b'''\\n op_version_set = 0\\n def forward(self,\\n _0: Tensor) -> Tensor:\\n _1 = torch.zeros([10], dtype=6, layout=0, device=torch.device(\\\"cpu\\\"))\\n result = torch.to(torch.fill_(_1, 5), dtype=6, layout=0, device=torch.device(\\\"cpu\\\"),\\n non_blocking=False, copy=False)\\n result2 = torch.rand([10], dtype=6, layout=0, device=torch.device(\\\"cpu\\\"))\\n result3 = torch.rand_like(result2, dtype=6, layout=0, device=torch.device(\\\"cpu\\\"))\\n _2 = torch.add(torch.add(result, result2, alpha=1), result3, alpha=1)\\n return _2\\n ''',\\n 'archive/attributes.pkl': b'\\\\x80\\\\x02](e.',\\n 'archive/libs.py': b'op_version_set = 0\\\\n',\\n 'archive/model.json':\\n b'''\\n {\\n \\\"protoVersion\\\":\\\"2\\\",\\n \\\"mainModule\\\":{\\n \\\"torchscriptArena\\\":{\\n \\\"key\\\":\\\"code/archive.py\\\"\\n },\\n \\\"name\\\":\\\"archive\\\",\\n \\\"optimize\\\":true\\n },\\n \\\"producerName\\\":\\\"pytorch\\\",\\n \\\"producerVersion\\\":\\\"1.0\\\",\\n \\\"libs\\\":{\\n \\\"torchscriptArena\\\":{\\n \\\"key\\\":\\\"libs.py\\\"\\n }\\n }\\n }'''}\\n with TemporaryFileName() as fname:\\n archive_name = os.path.basename(os.path.normpath(fname))\\n with zipfile.ZipFile(fname, 'w') as archive:\\n for k, v in model.items():\\n archive.writestr(k, v)\",\n \" with open(fname, \\\"rb\\\") as f:\\n fn = torch.jit.load(f)\",\n \" x = torch.zeros(10)\\n fn(x)\",\n \" def test_submodule_attribute_serialization(self):\\n class S(torch.jit.ScriptModule):\\n def __init__(self, list_data):\\n super(S, self).__init__()\\n self.table = torch.jit.Attribute({\\\"I\\\": \\\"am\\\", \\\"a test\\\": \\\"test\\\"}, Dict[str, str])\\n self.list = torch.jit.Attribute(list_data, List[Tuple[int, int]])\",\n \" @torch.jit.script_method\\n def forward(self):\\n return (self.table, self.list)\",\n \" class M(torch.jit.ScriptModule):\\n def __init__(self):\\n super(M, self).__init__()\\n self.table = torch.jit.Attribute({\\\"this\\\": \\\"is\\\", \\\"a different\\\": \\\"dict\\\"}, Dict[str, str])\\n self.tensor = torch.jit.Attribute(torch.randn(2, 2), torch.Tensor)\\n self.s1 = S([(1, 2)])\\n self.s2 = S([(4, 5)])\",\n \" @torch.jit.script_method\\n def forward(self):\\n return (self.table, self.tensor, self.s1.table, self.s2.list, self.s1.list)\",\n \" m = M()\\n imported_m = self.getExportImportCopy(m)\\n self.assertEqual(m(), imported_m())\",\n \" def test_serialization_big_ints(self):\\n class M(torch.jit.ScriptModule):\\n def __init__(self):\\n super(M, self).__init__()\\n self.int32_max = torch.jit.Attribute(2**31 - 1, int)\\n self.int32_min = torch.jit.Attribute(-2**31, int)\\n self.uint32_max = torch.jit.Attribute(2**32, int)\",\n \" self.int64_max = torch.jit.Attribute(2**63 - 1, int)\\n self.int64_min = torch.jit.Attribute(-2**63, int)\",\n \" self.tensor = torch.nn.Parameter(torch.ones(2, 2))\",\n \" @torch.jit.script_method\\n def forward(self, x):\\n # type: (int) -> (int)\\n return x + (self.int32_max + self.int32_min) + (self.int64_max + self.int64_min)\",\n \" m = M()\\n imported = self.getExportImportCopy(m)\\n self.assertEqual(m(10), imported(10))\",\n \" self.assertEqual(m.int32_max, imported.int32_max)\\n self.assertEqual(m.int32_min, imported.int32_min)\\n self.assertEqual(m.uint32_max, imported.uint32_max)\\n self.assertEqual(m.int64_max, imported.int64_max)\\n self.assertEqual(m.int64_min, imported.int64_min)\",\n \" def test_script_scope(self):\\n scripted = torch.jit.script(torch.nn.functional.triplet_margin_loss)\",\n \" @unittest.skipIf(IS_WINDOWS, \\\"NYI: TemporaryFileName on Windows\\\")\\n def test_serialization_sharing(self):\\n class M(torch.jit.ScriptModule):\\n def __init__(self):\\n super(M, self).__init__()\\n self.list = torch.jit.Attribute([], List[str])\",\n \" @torch.jit.script_method\\n def forward(self, key):\\n # type: (str) -> List[str]\\n self.list.append(key)\\n self.list.append(key)\\n self.list.append(key)\\n return self.list\",\n \" # the text of the string should only appear once in the pickling\\n m = M()\\n s1 = \\\"a long string\\\"\\n s2 = \\\"a different, even longer string\\\"\\n self.assertEqual(m(s1), [s1] * 3)\\n self.assertEqual(m(s2), [s1] * 3 + [s2] * 3)\\n with TemporaryFileName() as fname:\\n m.save(fname)\\n archive_name = os.path.basename(os.path.normpath(fname))\\n archive = zipfile.ZipFile(fname, 'r')\\n pickled_data = archive.read(os.path.join(archive_name, 'data.pkl'))\",\n \" out = io.StringIO()\\n pickletools.dis(pickled_data, out=out)\\n disassembled = out.getvalue()\",\n \" FileCheck().check_count(s1, 1, exactly=True) \\\\\\n .check_count(\\\"BINGET\\\", 2, exactly=True) \\\\\\n .check_count(s2, 1, exactly=True) \\\\\\n .check_count(\\\"BINGET\\\", 2, exactly=True).run(out.getvalue())\",\n \" def test_sys_stdout_override(self):\\n @torch.jit.script\\n def foo():\\n print('foo')\",\n \" class Redirect(object):\\n def __init__(self):\\n self.s = ''\",\n \" def write(self, s):\\n self.s += s\",\n \" old_stdout = sys.stdout\\n redirect = Redirect()\\n try:\\n sys.stdout = redirect\\n foo()\\n finally:\\n sys.stdout = old_stdout\",\n \" FileCheck().check('foo').run(redirect.s)\",\n \" def test_dtype_attr(self):\\n class Foo(torch.nn.Module):\\n def __init__(self):\\n super(Foo, self).__init__()\\n self.dtype = torch.zeros([]).dtype\",\n \" def forward(self):\\n return torch.zeros(3, 4, dtype=self.dtype)\",\n \" f = Foo()\\n torch.jit.script(f)\",\n \"\\n def test_named_buffers_are_iterable(self):\\n class MyMod(torch.nn.Module):\\n def __init__(self):\\n super(MyMod, self).__init__()\\n self.mod = (torch.nn.ReLU())\\n self.mod2 = (torch.nn.ReLU())\\n self.mod3 = torch.nn.Sequential(torch.nn.Sequential(torch.nn.ReLU()))\\n self.register_buffer('x', torch.zeros(3))\\n self.register_buffer('y', torch.zeros(3))\\n self.z = torch.zeros(3)\",\n \" def bleh(self):\\n return self.z + 4\",\n \" @torch.jit.export\\n def method(self):\\n names = [\\\"\\\"]\\n vals = []\\n for name, buffer in self.named_buffers():\\n names.append(name)\\n vals.append(buffer + 2)\",\n \" return names, vals\",\n \" def forward(self, x):\\n return x\",\n \" model = MyMod()\\n x = torch.jit.script(model)\\n z = self.getExportImportCopy(x)\",\n \" self.assertEqual(z.method(), x.method())\\n self.assertEqual(z.method(), model.method())\\n self.assertEqual(x.method(), model.method())\\n names = x.method()\\n for name in names:\\n self.assertNotEqual('z', name)\",\n \"\\n def test_static_if_prop(self):\\n class MaybeHasAttr(torch.nn.Module):\\n def __init__(self, add_attr):\\n super(MaybeHasAttr, self).__init__()\\n if add_attr:\\n self.maybe_attr = 1\",\n \" def forward(self):\\n if hasattr(self, \\\"maybe_attr\\\") and True:\\n return self.maybe_attr\\n else:\\n return 0\",\n \" class MaybeHasAttr2(torch.nn.Module):\\n def __init__(self, add_attr):\\n super(MaybeHasAttr2, self).__init__()\\n if add_attr:\\n self.maybe_attr = 1\",\n \" def forward(self):\\n if not hasattr(self, \\\"maybe_attr\\\") or False:\\n return 0\\n else:\\n return self.maybe_attr\",\n \" torch.jit.script(MaybeHasAttr(True))\\n torch.jit.script(MaybeHasAttr(False))\\n torch.jit.script(MaybeHasAttr2(True))\\n torch.jit.script(MaybeHasAttr2(False))\",\n \" class MyMod(torch.nn.Module):\\n def forward(self):\\n if hasattr(self, \\\"foo\\\"):\\n return 1\\n else:\\n return 0\",\n \" @torch.jit.export\\n def fee(self):\\n return 1\",\n \" self.checkModule(MyMod(), ())\",\n \" class HasAttrMod(torch.nn.Module):\\n __constants__ = [\\\"fee\\\"]\",\n \" def __init__(self):\\n super().__init__()\\n self.fee = 3\",\n \" def forward(self):\\n a = hasattr(self, \\\"fee\\\")\\n b = hasattr(self, \\\"foo\\\")\\n c = hasattr(self, \\\"hi\\\")\\n d = hasattr(self, \\\"nonexistant\\\")\\n return (a, b, c, d)\",\n \" def foo(self):\\n return 1\",\n \" @torch.jit._overload_method\\n def hi(self, x: Tensor): ... # noqa: E704\",\n \" def hi(self, x): # noqa: F811\\n return 2\",\n \" self.checkModule(HasAttrMod(), ())\",\n \" @torch.jit.script\\n class FooTest(object):\\n def __init__(self):\\n self.x = 1\",\n \" def foo(self, y):\\n return self.x + y\",\n \" def foo():\\n a = FooTest()\\n val1 = hasattr(a, \\\"foo\\\"), hasattr(a, \\\"x\\\"), hasattr(a, \\\"bla\\\")\\n val2 = hasattr(FooTest, \\\"foo\\\"), hasattr(FooTest, \\\"a\\\")\\n return val1, val2\",\n \" self.assertEqual(foo(), torch.jit.script(foo)())\",\n \" def _test_pickle_checkpoint(self, device):\\n with TemporaryFileName() as fname:\\n class M(torch.jit.ScriptModule):\\n __constants__ = ['fname']\",\n \" def __init__(self, tensor):\\n super(M, self).__init__()\\n self.fname = fname\\n self.tensor = torch.nn.Parameter(tensor)\",\n \" @torch.jit.script_method\\n def forward(self, x):\\n y = self.tensor + x\\n torch.save(y, self.fname)\\n return y\",\n \" param = torch.randn(2, 2).to(device)\\n input = torch.randn(2, 2).to(device)\\n m = M(param)\\n m(input)\\n with open(fname, \\\"rb\\\") as handle:\\n loaded_tensor = torch.load(fname)\\n self.assertEqual(loaded_tensor, input + param)\",\n \" def _test_pickle_checkpoint_views(self, device):\\n with TemporaryFileName() as fname:\\n class M(torch.jit.ScriptModule):\\n __constants__ = ['fname']\",\n \" def __init__(self, tensor):\\n super(M, self).__init__()\\n self.fname = fname\\n self.tensor = torch.nn.Parameter(tensor)\",\n \" @torch.jit.script_method\\n def forward(self, x):\\n y = self.tensor + x\\n y_view = y.view(4)\\n torch.save((y, y_view, y), self.fname)\\n return y\",\n \" param = torch.randn(2, 2).to(device)\\n input = torch.randn(2, 2).to(device)\\n m = M(param)\\n m(input)\\n with open(fname, \\\"rb\\\") as handle:\\n loaded_y, loaded_y_view, loaded_y_2 = torch.load(fname)\\n self.assertEqual(loaded_y, input + param)\\n with torch.no_grad():\\n loaded_y_view[1] += 20\\n # assert that loaded_y changed as well\\n self.assertEqual(loaded_y.view(4), loaded_y_view)\\n self.assertEqual(loaded_y_2.view(4), loaded_y_view)\",\n \" @unittest.skipIf(not RUN_CUDA, \\\"no CUDA\\\")\\n def test_pickle_checkpoint_cuda(self):\\n self._test_pickle_checkpoint('cuda')\\n self._test_pickle_checkpoint_views('cuda')\",\n \" def test_pickle_checkpoint(self):\\n self._test_pickle_checkpoint('cpu')\\n self._test_pickle_checkpoint_views('cpu')\",\n \" def test_pickle_checkpoint_tup(self):\\n @torch.jit.script\\n def foo(fname):\\n # type: (str) -> None\\n torch.save((3, 4), fname)\\n with TemporaryFileName() as name:\\n foo(name)\\n self.assertEqual(torch.load(name), (3, 4))\",\n \" def test_string_list(self):\\n def fn(string):\\n # type: (str) -> List[str]\\n return list(string)\",\n \" self.checkScript(fn, (\\\"abcdefgh\\\",))\",\n \" def test_unicode_comments(self):\\n @torch.jit.script\\n def test(self, a):\\n # 🤷🤷🤷🤷\\n return torch.nn.functional.relu(a)\",\n \" def test_get_set_state_with_tensors(self):\\n class M(torch.nn.Module):\\n def __init__(self):\\n super(M, self).__init__()\\n self.tensor = torch.randn(2, 2)\",\n \" @torch.jit.export\\n def __getstate__(self):\\n return (self.tensor, self.training)\",\n \" @torch.jit.export\\n def __setstate__(self, state):\\n self.tensor = state[0]\\n self.training = state[1]\",\n \" def forward(self, x):\\n return x + self.tensor\",\n \" with TemporaryFileName() as fname:\\n m = torch.jit.script(M())\\n m.save(fname)\\n loaded = torch.jit.load(fname)\\n self.assertEqual(loaded.tensor, m.tensor)\",\n \" def test_in_for_and_comp_expr(self):\\n def fn(d):\\n # type: (Dict[str, int]) -> List[int]\\n out = [1]\\n for i in range(d[\\\"hi\\\"] if \\\"hi\\\" in d else 6):\\n out.append(i)\\n return out\",\n \" self.checkScript(fn, ({'hi': 2, 'bye': 3},))\\n self.checkScript(fn, ({'bye': 3},))\",\n \" def test_for_else(self):\\n def fn():\\n c = 0\\n for i in range(4):\\n c += 10\\n else:\\n print(\\\"In else block of for...else\\\")\",\n \" with self.assertRaisesRegex(torch.jit.frontend.NotSupportedError, \\\"else branches of for loops aren't supported\\\"):\\n torch.jit.script(fn)\",\n \" def test_split(self):\\n def split_two(tensor):\\n a, b, c = torch.split(tensor, 2, dim=1)\\n return a, b, c\\n x = torch.randn(3, 6)\\n y = torch.randn(3, 6)\\n self.checkScript(split_two, [(x + y)])\",\n \" def test_conv_error(self):\\n @torch.jit.script\\n def fn(x, y):\\n return F.conv2d(x, y)\",\n \" try:\\n fn(torch.ones(2, 2), torch.ones(4, 4))\\n except RuntimeError as e:\\n self.assertFalse('frame' in str(e))\",\n \" def test_python_op_name(self):\\n import random\",\n \" with self.assertRaisesRegex(RuntimeError, \\\"randint\\\"):\\n @torch.jit.script\\n def fn():\\n return random.randint()\",\n \" def test_dir(self):\\n class M(torch.jit.ScriptModule):\\n def forward(self, t):\\n return t\",\n \" self.assertTrue('forward' in dir(M()))\",\n \" def test_kwarg_expansion_error(self):\\n @torch.jit.ignore\\n def something_else(h, i):\\n pass\",\n \" def fn(x):\\n something_else(**x)\",\n \" with self.assertRaisesRegex(torch.jit.frontend.NotSupportedError, \\\"keyword-arg expansion is not supported\\\"):\\n torch.jit.script(fn)\",\n \" def test_kwargs_error_msg(self):\\n def other(**kwargs):\\n print(kwargs)\",\n \" def fn():\\n return other()\",\n \" with self.assertRaisesRegex(torch.jit.frontend.NotSupportedError, 'variable number'):\\n torch.jit.script(fn)\",\n \" def another_other(*args):\\n print(args)\",\n \" def another_fn():\\n return another_other()\",\n \" with self.assertRaisesRegex(torch.jit.frontend.NotSupportedError, 'variable number'):\\n torch.jit.script(another_fn)\",\n \" def test_inferred_error_msg(self):\\n \\\"\\\"\\\"\\n Test that when we get a type mismatch on a function where we inferred\\n the type to be tensor, a good error message is given.\\n \\\"\\\"\\\"\\n @torch.jit.script\\n def foo(a):\\n return a\",\n \" with self.assertRaisesRegex(RuntimeError, (r\\\"Expected a value of type \\\\'Tensor \\\\(inferred\\\\)\\\\'\\\"\\n r\\\"[\\\\S\\\\s]*Inferred \\\\'a\\\\' to be of type \\\\'Tensor\\\\'\\\")):\\n foo(\\\"1\\\")\",\n \" def test_type_comments_in_body(self):\\n @torch.jit.script\\n def foo(a, # type: int\\n b, # type: int\\n ):\\n # type: (...) -> int\\n # type: int\\n return a + b\",\n \" class M(torch.nn.Module):\\n def __init__(self,\\n a, # type: int\\n b # type: int\\n ):\\n # type: (...) -> None\\n super(M, self).__init__()\\n self.a = a # type: int\\n self.b = b # type: int\",\n \" torch.jit.script(M(2, 3))\",\n \" def test_input_keyword_in_schema(self):\\n def f(x):\\n return torch.ceil(input=x)\",\n \" inp = torch.randn(10)\\n self.checkScript(f, (inp, ))\",\n \" def test_module_method_reassignment(self):\\n class Foo(torch.nn.Module):\\n def __init__(self):\\n super().__init__()\",\n \" def _forward(self, x):\\n return x\",\n \" forward = _forward\",\n \" sm = torch.jit.script(Foo())\\n input = torch.ones(2, 2)\\n self.assertEqual(input, sm(input))\",\n \" # Tests the case where a torch.Tensor subclass (like Parameter) is used as\\n # input.\\n def test_script_module_tensor_subclass_argument(self):\\n @torch.jit.script\\n def parameter_script(x: torch.nn.Parameter):\\n return x\",\n \" input = torch.ones(2, 2)\\n self.assertEqual(input, parameter_script(input))\",\n \" def test_save_load_attr_error(self):\\n class Inner(nn.Module):\\n def __init__(self):\\n super().__init__()\",\n \" def forward(self, x):\\n return x\",\n \" class Wrapper(nn.Module):\\n def __init__(self, inner):\\n super().__init__()\\n self.inner = inner\",\n \" def forward(self, x):\\n # this attribute doesn't exist on `Inner`\\n return self.inner.b(x)\",\n \" inner_module = torch.jit.script(Inner())\\n inner_module = self.getExportImportCopy(inner_module)\\n wrapped = Wrapper(inner_module)\\n # This should properly complain that `self.inner` doesn't have the attribute `b`\\n with self.assertRaisesRegex(RuntimeError, 'has no attribute'):\\n torch.jit.script(wrapped)\",\n \" def test_rescripting_loaded_modules(self):\\n class InnerSubmod(nn.Module):\\n __constants__ = ['my_constant']\",\n \" def __init__(self):\\n super().__init__()\\n self.register_buffer(\\\"foo\\\", torch.ones(1))\\n self.register_parameter(\\\"bar\\\", torch.nn.Parameter(torch.ones(1)))\\n self.baz = torch.ones(1)\\n self.my_constant = 1\",\n \" def forward(self, x):\\n return x + x\",\n \" class Inner(nn.Module):\\n def __init__(self):\\n super().__init__()\\n self.submod = InnerSubmod()\",\n \" def forward(self, x):\\n return self.submod(x)\",\n \" class Wrapper(nn.Module):\\n def __init__(self, inner):\\n super().__init__()\\n self.inner = inner\",\n \" def forward(self, x):\\n # access inner elements\\n ret = self.inner.submod(x) + self.inner.submod.foo + self.inner.submod.bar + self.inner.submod.baz\\n ret = ret + self.inner.submod.my_constant\\n return ret\",\n \" inner_module = torch.jit.script(Inner())\\n wrapped = Wrapper(inner_module)\\n self.checkModule(wrapped, torch.ones(1))\",\n \" inner_module_loaded = self.getExportImportCopy(inner_module)\\n wrapped_loaded = Wrapper(inner_module_loaded)\\n self.assertEqual(wrapped(torch.ones(1)), wrapped_loaded(torch.ones(1)))\",\n \" def test_interpret_graph(self):\\n def fn(x):\\n return x.unfold(0, 1, 1)\",\n \" graph_str = \\\"\\\"\\\"\\n graph(%a : Tensor, %b : Tensor):\\n %c : Tensor = aten::mul(%a, %b)\\n return (%c)\\n \\\"\\\"\\\"\\n graph = parse_ir(graph_str)\\n a = torch.rand(10)\\n b = torch.rand(10)\\n test = torch._C._jit_interpret_graph(graph, (a, b))\\n ref = a * b\\n self.assertEqual(test, ref)\",\n \" def test_signed_float_zero(self):\",\n \" class MyModule(torch.nn.Module):\\n def __init__(self):\\n super(MyModule, self).__init__()\",\n \" def forward(self, x):\\n return torch.div(x, -0.)\",\n \" inp = torch.ones(1)\\n self.checkModule(MyModule(), inp)\",\n \" def test_index_with_tuple(self):\\n class MyModule(torch.nn.Module):\\n def __init__(self):\\n super(MyModule, self).__init__()\",\n \" def forward(self, x):\\n return x[(1,)]\",\n \" self.checkModule(MyModule(), (torch.ones(2, 3),))\",\n \" def test_context_manager(self):\\n class MyModule(torch.nn.Module):\\n def __init__(self):\\n super(MyModule, self).__init__()\",\n \" def forward(self, x, y):\\n p = x + y\\n q = p + 2.0\\n return q\",\n \" x = torch.randn(3, 2, dtype=torch.float)\\n y = torch.randn(3, 2, dtype=torch.float)\\n for fuser_name in ['fuser0', 'fuser1', 'none']:\\n with torch.jit.fuser(fuser_name):\\n self.checkModule(MyModule(), (x, y))\",\n \"# known to be failing in tracer\\nEXCLUDE_TRACED = {\\n # The following fail due to #12024.\\n # A prim::ListConstruct is involved and the indices get traced as TensorType,\\n # which always require_grad. This causes a crash in autodiff.\\n 'test___getitem___adv_index',\\n 'test___getitem___adv_index_beg',\\n 'test___getitem___adv_index_comb',\\n 'test___getitem___adv_index_dup',\\n 'test___getitem___adv_index_sub',\\n 'test___getitem___adv_index_sub_2',\\n 'test___getitem___adv_index_sub_3',\\n 'test___getitem___adv_index_var',\",\n \" # jit doesn't support sparse tensors.\\n 'test_to_sparse',\\n 'test_to_sparse_dim',\\n}\",\n \"EXCLUDE_TYPE_CHECK = {\\n # slogdet tests use itemgetter to select its only differentiable output,\\n # but this happens outside of the graph we handle, so there are fewer\\n # reference outputs than graph outputs.\\n 'test_slogdet_1x1_neg_det',\\n 'test_slogdet_1x1_pos_det',\\n 'test_slogdet_distinct_singular_values',\\n 'test_slogdet_neg_det',\\n 'test_slogdet_pos_det',\\n 'test_slogdet_symmetric',\\n 'test_slogdet_symmetric_pd',\\n 'test_slogdet_batched_1x1_neg_det',\\n 'test_slogdet_batched_pos_det',\\n 'test_slogdet_batched_symmetric',\\n 'test_slogdet_batched_symmetric_pd',\\n 'test_slogdet_batched_distinct_singular_values'\\n}\",\n \"# chunk returns a list in scripting and we don't unpack the list,\\n# Thus it won't be replaced by ConstantChunk and run AD.\\n# It's explicitly checked in test_chunk_constant_script_ad\\n# Similary for split, it's replaced by split_with_sizes in tracing,\\n# but we don't have AD formula for aten::split(Tensor, int[], int),\\n# an op registered in JIT so AD is not triggered in scripting.\\nEXCLUDE_SCRIPT_AD_CHECK = {\\n 'test_chunk',\\n 'test_chunk_dim',\\n 'test_chunk_dim_neg0',\\n 'test_split_size_list',\\n 'test_split_size_list_dim',\\n 'test_split_size_list_dim_neg0',\\n 'test_tensor_indices_sections',\\n 'test_tensor_indices_sections_dim',\\n 'test_tensor_indices_sections_dim_neg0',\\n 'test_tensor_split_sections',\\n 'test_tensor_split_sections_dim',\\n 'test_tensor_split_sections_dim_neg0'\\n}\",\n \"EXCLUDE_PYTHON_PRINT = {\\n # no support for BroadcastingList in python printer\\n 'test_nn_max_unpool1d',\\n 'test_nn_max_unpool2d',\\n 'test_nn_max_unpool3d',\\n 'test_nn_max_pool1d',\\n 'test_nn_max_pool2d',\\n 'test_nn_max_pool3d',\\n 'test_nn_max_pool1d_with_indices',\\n}\",\n \"EXCLUDE_ALIAS = {\\n # aliases, which may appear in method_tests but are tested elsewhere\\n 'true_divide',\",\n \" # Disable tests for lu from common_methods_invocations.py\\n # TODO(@nikitaved) Enable jit tests once autograd.Function does support scripting\\n 'lu'\\n}\",\n \"\\nclass TestJitGeneratedModule(JitTestCase):\\n pass\",\n \"\\nclass TestJitGeneratedFunctional(JitTestCase):\\n pass\",\n \"# UBSAN per-function exclusions don't seem to work with OpenMP pragmas,\\n# and we have to disable the failing tests here instead.\\nUBSAN_DISABLED_TESTS = [\\n \\\"test___rdiv___constant\\\",\\n \\\"test___rdiv___scalar_constant\\\",\\n \\\"test_addcdiv\\\",\\n \\\"test_addcdiv_broadcast_all\\\",\\n \\\"test_addcdiv_broadcast_rhs\\\",\\n \\\"test_addcdiv_scalar\\\",\\n \\\"test_addcdiv_scalar_broadcast_lhs\\\",\\n \\\"test_addcdiv_scalar_broadcast_rhs\\\",\\n \\\"test_addcdiv_scalar_scale\\\",\\n \\\"test_addcdiv_scalar_scale_broadcast_lhs\\\",\\n \\\"test_addcdiv_scalar_scale_broadcast_rhs\\\",\\n \\\"test_addcdiv_scale\\\",\\n \\\"test_addcdiv_scale_broadcast_all\\\",\\n \\\"test_addcdiv_scale_broadcast_rhs\\\",\\n \\\"test_add_broadcast_all\\\",\\n \\\"test_add_broadcast_lhs\\\",\\n \\\"test_add_broadcast_rhs\\\",\\n \\\"test_add_constant\\\",\\n \\\"test_add_scalar\\\",\\n \\\"test_add_scalar_broadcast_lhs\\\",\\n \\\"test_add_scalar_broadcast_rhs\\\",\\n \\\"test_div\\\",\\n \\\"test_div_broadcast_all\\\",\\n \\\"test_div_broadcast_lhs\\\",\\n \\\"test_div_broadcast_rhs\\\",\\n \\\"test_div_scalar\\\",\\n \\\"test_div_scalar_broadcast_lhs\\\",\\n \\\"test_div_scalar_broadcast_rhs\\\",\\n \\\"test_rsqrt\\\",\\n \\\"test_rsqrt_scalar\\\",\\n \\\"test_add\\\",\\n \\\"test_reciprocal\\\",\\n \\\"test_reciprocal_scalar\\\",\\n]\",\n \"L = 20\\nM = 10\\nS = 5\",\n \"def add_nn_module_test(*args, **kwargs):\\n no_grad = False if 'no_grad' not in kwargs else kwargs['no_grad']\",\n \" if 'desc' in kwargs and 'eval' in kwargs['desc']:\\n # eval() is not supported, so skip these tests\\n return\",\n \" test_name = get_nn_mod_test_name(**kwargs)\",\n \" @suppress_warnings\\n def do_test(self):\\n if test_name in EXCLUDE_SCRIPT_MODULES:\\n return\\n if not kwargs.get('check_jit', True):\\n raise unittest.SkipTest('module test skipped on JIT')\",\n \" module_name = get_nn_module_name_from_kwargs(**kwargs)\",\n \" if 'constructor' in kwargs:\\n nn_module = kwargs['constructor']\\n else:\\n nn_module = getattr(torch.nn, module_name)\",\n \" if \\\"FunctionalModule\\\" in str(nn_module):\\n return\",\n \" if 'constructor_args_fn' in kwargs:\\n constructor_args = kwargs['constructor_args_fn']()\\n else:\\n constructor_args = kwargs.get('constructor_args', ())\",\n \" def create_script_module(*args, **kwargs):\\n \\\"\\\"\\\"Construct a script module that passes arguments through to self.submodule\\\"\\\"\\\"\\n formals, tensors, actuals = get_script_args(args)\",\n \" method_args = ', '.join(['self'] + actuals)\\n call_args_str = ', '.join(actuals)\\n call = \\\"self.submodule({})\\\".format(call_args_str)\\n script = script_method_template.format(method_args, call)\",\n \" submodule_constants = []\\n if kwargs.get('is_constant'):\\n submodule_constants = ['submodule']\",\n \" # Create module to use the script method\\n class TheModule(torch.jit.ScriptModule):\\n __constants__ = submodule_constants\",\n \" def __init__(self):\\n super(TheModule, self).__init__()\\n self.submodule = nn_module(*constructor_args)\",\n \" def make_module(script):\\n module = TheModule()\\n # check __repr__\\n str(module)\\n module.define(script)\\n return module\",\n \" module = make_module(script)\\n self.assertExportImportModule(module, tensors)\\n create_script_module.last_graph = module.graph\\n mod = module(*args)\\n return mod\",\n \" # Construct a normal nn module to stay consistent with create_script_module\\n # and make use of a single global rng_state in module initialization\\n def create_nn_module(*args, **kwargs):\\n module = nn_module(*constructor_args)\\n return module(*args)\",\n \" # Set up inputs from tuple of sizes or constructor fn\\n dtype = torch.double\\n if 'input_fn' in kwargs:\\n input = kwargs['input_fn']()\\n if isinstance(input, Tensor):\\n input = (input,)\",\n \" if all(tensor.is_complex() for tensor in input):\\n dtype = torch.cdouble\\n else:\\n input = (kwargs['input_size'],)\",\n \" if 'target_size' in kwargs:\\n input = input + (kwargs['target_size'],)\\n elif 'target_fn' in kwargs:\\n if torch.is_tensor(input):\\n input = (input,)\\n input = input + (kwargs['target_fn'](),)\\n elif 'target' in kwargs:\\n input = input + (kwargs['target'],)\",\n \" # Extra parameters to forward()\\n if 'extra_args' in kwargs:\\n input = input + kwargs['extra_args']\",\n \" args_variable, kwargs_variable = create_input(input, dtype=dtype)\\n f_args_variable = deepcopy(unpack_variables(args_variable))\",\n \" # TODO(issue#52052) Neither this nor no_grad should be required\\n # if check_against_reference() is updated to check gradients\\n # w.r.t. weights and then only check w.r.t. inputs if any\\n # inputs require it.\\n any_requires_grad = any(input.requires_grad for input in f_args_variable)\",\n \" # Check against Python module as reference\\n check_against_reference(self, create_script_module, create_nn_module,\\n lambda x: x, f_args_variable,\\n no_grad=no_grad or not any_requires_grad)\",\n \" if 'slowTest' in kwargs:\\n do_test = slowTest(do_test)\",\n \" post_add_test(test_name, (), do_test, TestJitGeneratedModule)\",\n \"\\ndef post_add_test(test_name, skipTestIf, do_test, test_class):\\n assert not hasattr(test_class, test_name), 'Two tests have the same name: ' + test_name\",\n \" for skip in skipTestIf:\\n do_test = skip(do_test)\",\n \" if not (TEST_WITH_UBSAN and test_name in UBSAN_DISABLED_TESTS):\\n setattr(test_class, test_name, do_test)\",\n \"\\ndef normalize_check_ad(check_ad, name):\\n # normalized check_ad is 3-element tuple: (bool, List[str], List[str])\\n if len(check_ad) == 0:\\n check_ad = [False, ['aten::' + name], []]\\n elif len(check_ad) == 1:\\n check_ad = [check_ad[0], ['aten::' + name], []]\\n elif len(check_ad) == 2:\\n check_ad = [check_ad[0], check_ad[1], []]\\n elif len(check_ad) == 3:\\n check_ad = list(check_ad)\\n else:\\n raise Exception('Invalid check_ad, requires (bool, str|List[str], str|List[str])')\",\n \" check_ad = [[t] if isinstance(t, str) else t for t in check_ad]\",\n \" return check_ad\",\n \"\\nclass TestProducerVersion(TestCase):\",\n \" def test_version(self):\\n # issue gh-32561\\n self.assertTrue(torch.__version__.startswith(torch.onnx.producer_version))\",\n \"for test in module_tests + new_module_tests + additional_module_tests:\\n add_nn_module_test(**test)\",\n \"for test in criterion_tests:\\n test['no_grad'] = True\\n add_nn_module_test(**test)\",\n \"if __name__ == '__main__':\\n run_tests()\\n import jit.test_module_interface\\n suite = unittest.findTestCases(jit.test_module_interface)\\n unittest.TextTestRunner().run(suite)\"\n]","isConversational":false},"labels":{"kind":"list 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trunk/89695, torch.jit.annotations.parse_type_line can cause arbitrary code execution because eval is used unsafely.\", \"other\": {\"cve\": {\"cisaActionDue\": null, \"cisaExploitAdd\": null, \"cisaRequiredAction\": null, \"cisaVulnerabilityName\": null, \"configurations\": [{\"nodes\": [{\"cpeMatch\": [{\"criteria\": \"cpe:2.3:a:linuxfoundation:pytorch:*:*:*:*:*:python:*:*\", \"matchCriteriaId\": \"17B8827A-469E-484D-845F-8DA235DB1BBA\", \"versionEndExcluding\": \"1.13.1\", \"versionEndIncluding\": null, \"versionStartExcluding\": null, \"versionStartIncluding\": null, \"vulnerable\": true}], \"negate\": false, \"operator\": \"OR\"}], \"operator\": null}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"In PyTorch before trunk/89695, torch.jit.annotations.parse_type_line can cause arbitrary code execution because eval is used unsafely.\"}], \"evaluatorComment\": null, \"id\": \"CVE-2022-45907\", \"lastModified\": \"2023-04-26T17:39:13.317\", \"metrics\": {\"cvssMetricV2\": null, \"cvssMetricV30\": null, \"cvssMetricV31\": [{\"cvssData\": {\"attackComplexity\": \"LOW\", \"attackVector\": \"NETWORK\", \"availabilityImpact\": \"HIGH\", \"baseScore\": 9.8, \"baseSeverity\": \"CRITICAL\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"scope\": \"UNCHANGED\", \"userInteraction\": \"NONE\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\", \"version\": \"3.1\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 5.9, \"source\": \"nvd@nist.gov\", \"type\": \"Primary\"}]}, \"published\": \"2022-11-26T02:15:10.253\", \"references\": [{\"source\": \"cve@mitre.org\", \"tags\": [\"Patch\", \"Third Party Advisory\"], \"url\": \"https://github.com/pytorch/pytorch/commit/767f6aa49fe20a2766b9843d01e3b7f7793df6a3\"}, {\"source\": \"cve@mitre.org\", \"tags\": [\"Exploit\", \"Issue Tracking\", \"Patch\", \"Third Party Advisory\"], \"url\": \"https://github.com/pytorch/pytorch/issues/88868\"}], \"sourceIdentifier\": \"cve@mitre.org\", \"vendorComments\": null, \"vulnStatus\": \"Analyzed\", \"weaknesses\": [{\"description\": [{\"lang\": \"en\", \"value\": \"CWE-77\"}], \"source\": \"nvd@nist.gov\", \"type\": \"Primary\"}]}, \"github_commit_url\": \"https://github.com/pytorch/pytorch/commit/767f6aa49fe20a2766b9843d01e3b7f7793df6a3\"}, \"type\": \"CWE-77\"}"},"index":{"kind":"number","value":858,"string":"858"}}},{"rowIdx":5084,"cells":{"prompt":{"kind":"string","value":"Determine whether the {function_name} code is vulnerable or not."},"completions":{"kind":"list like","value":["#include <torch/csrc/jit/frontend/script_type_parser.h>","#include <ATen/core/type_factory.h>\n#include <torch/csrc/jit/frontend/parser.h>\n#include <torch/csrc/jit/ir/ir.h>\n#include <torch/custom_class.h>","namespace torch {\nnamespace jit {\nnamespace {","bool isTorch(const Expr& expr) {\n return expr.kind() == TK_VAR && Var(expr).name().name() == \"torch\";\n}","std::string collectQualname(const Select& select) {\n Expr base = select.value();\n if (base.kind() == TK_VAR) {\n return Var(base).name().name() + \".\" + select.selector().name();\n }\n std::string basename = collectQualname(Select(base));\n return basename + \".\" + select.selector().name();\n}","const std::unordered_map<std::string, c10::TypePtr>& string_to_type_lut() {\n return c10::DefaultTypeFactory::basePythonTypes();\n}","} // namespace","TypePtr ScriptTypeParser::subscriptToType(\n const std::string& typeName,\n const Subscript& subscript) const {\n if (typeName == \"Tuple\" || typeName == \"tuple\") {\n if (subscript.subscript_exprs().size() == 1 &&\n subscript.subscript_exprs()[0].kind() == TK_TUPLE_LITERAL) {\n // `typing.Tuple` special cases syntax for empty tuple annotations,\n // i.e. `typing.Tuple[()]`. Allow for parsing an empty tuple literal\n // here. See https://docs.python.org/3/library/typing.html#typing.Tuple\n auto tup_literal = TupleLiteral(subscript.subscript_exprs()[0]);\n if (tup_literal.inputs().size() > 0) {\n throw ErrorReport(tup_literal.range())\n << \"Tuple literal in Tuple type annotation must not \"\n << \"have any elements!\";\n }\n return TupleType::create({});\n }\n std::vector<TypePtr> subscript_expr_types;\n for (auto expr : subscript.subscript_exprs()) {\n subscript_expr_types.emplace_back(parseTypeFromExprImpl(expr));\n }\n return TupleType::create(subscript_expr_types);\n } else if (typeName == \"List\" || typeName == \"list\") {\n if (subscript.subscript_exprs().size() != 1) {\n throw ErrorReport(subscript)\n << \" expected exactly one element type but found \"\n << subscript.subscript_exprs().size();\n }\n auto elem_type =\n parseTypeFromExprImpl(*subscript.subscript_exprs().begin());\n return ListType::create(elem_type);"," } else if (typeName == \"Optional\") {\n if (subscript.subscript_exprs().size() != 1) {\n throw ErrorReport(subscript)\n << \" expected exactly one element type but found \"\n << subscript.subscript_exprs().size();\n }\n auto elem_type =\n parseTypeFromExprImpl(*subscript.subscript_exprs().begin());\n return OptionalType::create(elem_type);"," } else if (typeName == \"Union\") {\n std::vector<TypePtr> subscript_expr_types;\n subscript_expr_types.reserve(subscript.subscript_exprs().size());\n for (auto expr : subscript.subscript_exprs()) {\n subscript_expr_types.emplace_back(parseTypeFromExprImpl(expr));\n }\n return UnionType::create(subscript_expr_types);\n } else if (typeName == \"Future\" || typeName == \"torch.jit.Future\") {\n if (subscript.subscript_exprs().size() != 1) {\n throw ErrorReport(subscript)\n << \" expected exactly one element type but found \"\n << subscript.subscript_exprs().size();\n }\n auto elem_type =\n parseTypeFromExprImpl(*subscript.subscript_exprs().begin());\n return FutureType::create(elem_type);\n } else if (typeName == \"RRef\") {\n if (subscript.subscript_exprs().size() != 1) {\n throw ErrorReport(subscript)\n << \" expected exactly one element type but found \"\n << subscript.subscript_exprs().size();\n }\n auto elem_type =\n parseTypeFromExprImpl(*subscript.subscript_exprs().begin());\n return RRefType::create(elem_type);\n } else if (typeName == \"Dict\" || typeName == \"dict\") {\n if (subscript.subscript_exprs().size() != 2) {\n throw ErrorReport(subscript)\n << \" expected exactly 2 element types but found \"\n << subscript.subscript_exprs().size();\n }\n auto key_type = parseTypeFromExprImpl(subscript.subscript_exprs()[0]);\n auto value_type = parseTypeFromExprImpl(subscript.subscript_exprs()[1]);\n return DictType::create(key_type, value_type);\n } else {\n throw ErrorReport(subscript.range())\n << \"Unknown type constructor \" << typeName;\n }\n}","c10::optional<std::pair<TypePtr, int32_t>> ScriptTypeParser::parseBroadcastList(\n const Expr& expr) const {\n // Alias torch.nn._common_types._size_?_t to BroadcastingList?[int]\n if (expr.kind() == TK_VAR) {\n auto var = Var(expr);\n auto& name = var.name().name();\n constexpr auto _size_prefix = \"_size_\";\n constexpr auto _size_suffix = \"_t\";\n constexpr auto _size_n_len = 9; // strlen(\"_size_X_t\")\n constexpr auto _size_prefix_len = 6; // strlen(\"_size_\");\n if (name.find(_size_prefix) == 0 && name.length() == _size_n_len &&\n name.find(_size_suffix) == _size_prefix_len + 1 &&\n ::isdigit(name[_size_prefix_len])) {\n int n = name[_size_prefix_len] - '0';\n return std::pair<TypePtr, int32_t>(ListType::create(IntType::get()), n);\n }\n }"," if (expr.kind() != TK_SUBSCRIPT)\n return c10::nullopt;\n auto subscript = Subscript(expr);\n if (subscript.value().kind() != TK_VAR)\n return c10::nullopt;\n auto var = Var(subscript.value());\n auto subscript_exprs = subscript.subscript_exprs();"," // handle the case where the BroadcastingList is wrapped in a Optional type\n if (var.name().name() == \"Optional\") {\n auto broadcast_list = parseBroadcastList(subscript_exprs[0]);\n if (broadcast_list) {\n TypePtr opt_type = OptionalType::create(broadcast_list->first);\n return std::pair<TypePtr, int32_t>(opt_type, broadcast_list->second);\n } else {\n return c10::nullopt;\n }\n } else if (var.name().name().find(\"BroadcastingList\") != 0) {\n return c10::nullopt;\n }"," if (subscript_exprs.size() != 1)\n throw ErrorReport(subscript.subscript_exprs().range())\n << \"BroadcastingList/Optional[BroadcastingList] \"\n \"must be subscripted with a type\";"," auto typ = subscript_exprs[0];\n auto len = var.name().name().substr(strlen(\"BroadcastingList\"));"," if (typ.kind() != TK_VAR)\n throw ErrorReport(subscript.value().range())\n << \"Subscripted type must be a type identifier\";"," auto value_name = Var(typ).name().name();\n if (value_name != \"float\" && value_name != \"int\")\n throw ErrorReport(subscript.value().range())\n << \"Broadcastable lists only supported for int or float\";"," auto elem_ptr = string_to_type_lut().find(value_name);\n AT_ASSERT(elem_ptr != string_to_type_lut().end());\n TypePtr list_ptr = ListType::create(elem_ptr->second);"," const char* len_c = len.c_str();\n // NOLINTNEXTLINE(cppcoreguidelines-init-variables)\n char* end;\n size_t len_v = strtoull(len_c, &end, 10);\n if (end != len_c + len.size()) {\n throw ErrorReport(subscript.subscript_exprs().range())\n << \"subscript of Broadcastable list must be a positive integer\";\n }\n return std::pair<TypePtr, int32_t>(list_ptr, len_v);\n}","// gets the base type name given namespaces where the types live\n// turns torch.Tensor -> Tensor, X -> X\nc10::optional<std::string> ScriptTypeParser::parseBaseTypeName(\n const Expr& expr) const {\n switch (expr.kind()) {\n case TK_VAR: {\n return Var(expr).name().name();\n }\n case TK_NONE: {\n return \"None\";\n }\n case TK_NONE_TYPE: {\n return \"NoneType\";\n }\n case '.': {\n auto select = Select(expr);\n const std::string& name = select.selector().name();\n // Special case for torch.Tensor and its' subclasses\n const std::unordered_set<std::string> tensor_subtypes = {\n \"Tensor\",\n \"LongTensor\",\n \"FloatTensor\",\n \"DoubleTensor\",\n \"IntTensor\",\n \"ShortTensor\",\n \"HalfTensor\",\n \"CharTensor\",\n \"ByteTensor\",\n \"BoolTensor\"};\n if (isTorch(select.value()) && tensor_subtypes.count(name) == 1) {\n return name;\n } else {\n // Otherwise, it's a fully qualified class name\n return collectQualname(select);\n }\n } break;\n }\n return at::nullopt;\n}","TypePtr ScriptTypeParser::parseTypeFromExpr(const Expr& expr) const {\n // the resolver needs to recursively resolve the expression, so to avoid\n // resolving all type expr subtrees we only use it for the top level\n // expression and base type names.\n if (resolver_) {\n if (auto typePtr =\n resolver_->resolveType(expr.range().text().str(), expr.range())) {\n return typePtr;\n }\n }\n return parseTypeFromExprImpl(expr);\n}","TypePtr ScriptTypeParser::parseTypeFromExprImpl(const Expr& expr) const {\n if (expr.kind() == TK_SUBSCRIPT) {\n auto subscript = Subscript(expr);\n auto value_name = parseBaseTypeName(subscript.value());\n if (!value_name) {\n throw ErrorReport(subscript.value().range())\n << \"Subscripted type must be a type identifier\";\n }\n return subscriptToType(*value_name, subscript);"," } else if (expr.kind() == TK_STRINGLITERAL) {\n const auto& type_name = StringLiteral(expr).text();"," // Check if the type is a custom class. This is done by checking\n // if type_name starts with \"torch.classes.\"\n if (type_name.find(\"torch.classes.\") == 0) {\n auto custom_class_type = getCustomClass(\"__torch__.\" + type_name);\n return custom_class_type;\n }"," // `torch.cuda.Stream` and `torch.cuda.Event` are aliased as\n // custom classes of type torch.classes.cuda.Stream and\n // torch.classes.cuda.Event respectively. Return the respective\n // custom class types for these two cases.\n if (type_name.find(\"torch.cuda.Stream\") == 0) {\n auto custom_class_type =\n getCustomClass(\"__torch__.torch.classes.cuda.Stream\");\n return custom_class_type;\n }"," if (type_name.find(\"torch.cuda.Event\") == 0) {\n auto custom_class_type =\n getCustomClass(\"__torch__.torch.classes.cuda.Event\");\n return custom_class_type;\n }"," if (resolver_) {\n if (auto typePtr = resolver_->resolveType(type_name, expr.range())) {\n return typePtr;\n }\n }"," throw ErrorReport(expr) << \"Unknown type name '\" << type_name << \"'\";\n } else if (auto name = parseBaseTypeName(expr)) {\n auto itr = string_to_type_lut().find(*name);\n if (itr != string_to_type_lut().end()) {\n return itr->second;\n }\n if (resolver_) {\n if (auto typePtr = resolver_->resolveType(*name, expr.range())) {\n return typePtr;\n }\n }"," if (auto custom_class_type = getCustomClass(*name)) {\n return custom_class_type;\n }"," throw ErrorReport(expr) << \"Unknown type name '\" << *name << \"'\";\n }\n throw ErrorReport(expr.range())\n << \"Expression of type \" << kindToString(expr.kind())\n << \" cannot be used in a type expression\";\n}","TypePtr ScriptTypeParser::parseType(const std::string& str) {\n Parser p(std::make_shared<Source>(str));\n return parseTypeFromExpr(p.parseExp());\n}","std::vector<IValue> ScriptTypeParser::evaluateDefaults(\n const SourceRange& r,\n const std::vector<Expr>& default_types,\n const std::vector<Expr>& default_exprs) {\n std::vector<IValue> default_values;\n if (default_exprs.empty())\n return default_values;\n // To evaluate the default expressions, we create a graph with no inputs,\n // and whose returns are the default values we need.\n // We then run constant prop on this graph and check the results are\n // constant. This approach avoids having to have separate handling of\n // default arguments from standard expressions by piecing together existing"," // machinery for graph generation, constant propgation, and constant"," // extraction.\n auto tuple_type = Subscript::create(\n r,\n Var::create(r, Ident::create(r, \"Tuple\")),\n List<Expr>::create(r, default_types));\n auto blank_decl = Decl::create(\n r, List<Param>::create(r, {}), Maybe<Expr>::create(r, tuple_type));"," auto tuple_expr =\n TupleLiteral::create(r, List<Expr>::create(r, default_exprs));\n auto ret = Return::create(r, tuple_expr);\n auto def = Def::create(\n r,\n Ident::create(r, \"defaults\"),\n blank_decl,\n List<Stmt>::create(r, {ret}));"," CompilationUnit cu;\n cu.define(\n c10::nullopt,\n /*properties=*/{},\n /*propResolvers=*/{},\n {def},\n {resolver_},\n nullptr);\n Stack stack;\n // XXX: We need to turn optimization off here because otherwise we try to\n // recursively initialize stuff in DecomposeOps.\n GraphOptimizerEnabledGuard guard(false);\n cu.get_function(def.name().name()).run(stack);\n return stack.at(0).toTupleRef().elements().vec();\n}","std::vector<Argument> ScriptTypeParser::parseArgsFromDecl(\n const Decl& decl,\n bool skip_self) {\n auto params_begin = decl.params().begin();\n auto params_end = decl.params().end();\n if (skip_self) {\n ++params_begin;\n }\n std::vector<Argument> retval;"," std::vector<Expr> default_types;\n std::vector<Expr> default_exprs;\n // gather any non-empty default arguments\n for (auto it = params_begin; it != params_end; ++it) {\n auto param = *it;\n auto def = param.defaultValue();\n if (def.present()) {\n if (!param.type().present()) {\n // We require explicit type-hints for default expressions.\n // If param doesn't have a type, we could default to \"Tensor\",\n // just like what happens in the Python frontend.\n // However here things are a bit more complicated, because\n // default expressions are evaluated using a custom-built\n // graph, and error messages coming out of that in case\n // the type doesn't match the value are quite obscure.\n throw ErrorReport(param.range())\n << \"Keyword arguments with defaults need to be type-hinted (TorchScript C++ frontend)\";\n }\n default_types.emplace_back(param.type().get());\n default_exprs.emplace_back(def.get());\n }\n }"," auto default_values =\n evaluateDefaults(decl.range(), default_types, default_exprs);"," auto defaults_it = default_values.begin();\n for (auto it = params_begin; it != params_end; ++it) {\n auto decl_arg = *it;"," TypePtr type;\n c10::optional<int32_t> N = c10::nullopt;\n if (!decl_arg.type().present()) {\n // If this param doesn't have a type, default to \"tensor\"\n type = TensorType::getInferred();\n } else {\n // BroadcastList list can only appear at the argument level\n Expr type_expr = decl_arg.type().get();\n if (auto maybe_broad_list = parseBroadcastList(type_expr)) {\n type = maybe_broad_list->first;\n N = maybe_broad_list->second;\n } else {\n type = parseTypeFromExpr(decl_arg.type().get());\n }\n }\n c10::optional<IValue> default_value = c10::nullopt;\n if (decl_arg.defaultValue().present()) {\n default_value = *defaults_it++;\n }\n auto arg = Argument(\n decl_arg.ident().name(),\n type,\n N,\n default_value,\n decl_arg.kwarg_only(),\n /*alias_info=*/c10::nullopt);\n retval.push_back(arg);\n }\n return retval;\n}","std::vector<Argument> ScriptTypeParser::parseReturnFromDecl(const Decl& decl) {\n // we represent no annoation on a return type as having no values in the\n // schema's return() list\n // in emitReturn we take the actual return value to be the value of the\n // return statement if no one was provided here\n if (!decl.return_type().present())\n return {};"," if (parseBroadcastList(decl.return_type().get()))\n throw ErrorReport(decl.return_type().range())\n << \"Broadcastable lists cannot appear as a return type\";"," TypePtr parsed_type;\n Expr type_expr = decl.return_type().get();\n parsed_type = parseTypeFromExpr(type_expr);\n return {Argument(\n \"\",\n parsed_type,\n /*N =*/c10::nullopt,\n /*default_value =*/c10::nullopt,\n /*kwarg_only =*/false)};\n}\nFunctionSchema ScriptTypeParser::parseSchemaFromDef(\n const Def& def,\n bool skip_self) {\n const auto name = def.name().name();\n std::vector<Argument> args = parseArgsFromDecl(def.decl(), skip_self);\n std::vector<Argument> returns = parseReturnFromDecl(def.decl());\n return FunctionSchema(\n name, \"\", std::move(args), std::move(returns), false, false);\n}","c10::IValue ScriptTypeParser::parseClassConstant(const Assign& assign) {\n if (assign.lhs().kind() != TK_VAR) {\n throw ErrorReport(assign.range())\n << \"Expected to a variable for class constant\";\n }\n const auto final_type = assign.type().get();\n auto expr = assign.rhs().get();\n if (final_type.kind() != TK_SUBSCRIPT) {\n throw ErrorReport(assign.range())\n << \"Expected subscripted type for class constant\";\n }\n auto subscript = Subscript(final_type);\n auto value_name = parseBaseTypeName(subscript.value());\n if (!value_name) {\n throw ErrorReport(subscript.value().range())\n << \"Subscripted type must be a type identifier\";\n }\n if (*value_name != \"Final\") {\n throw ErrorReport(subscript.range())\n << \"Base type must be Final for class constant\";\n }\n if (subscript.subscript_exprs().size() != 1) {\n throw ErrorReport(subscript)\n << \" expected exactly one element type but found \"\n << subscript.subscript_exprs().size();\n }\n auto type = *subscript.subscript_exprs().begin();\n auto default_val = evaluateDefaults(expr.range(), {type}, {expr});\n return *default_val.begin();\n}","} // namespace jit\n} // namespace torch"],"string":"[\n \"#include <torch/csrc/jit/frontend/script_type_parser.h>\",\n \"#include <ATen/core/type_factory.h>\\n#include <torch/csrc/jit/frontend/parser.h>\\n#include <torch/csrc/jit/ir/ir.h>\\n#include <torch/custom_class.h>\",\n \"namespace torch {\\nnamespace jit {\\nnamespace {\",\n \"bool isTorch(const Expr& expr) {\\n return expr.kind() == TK_VAR && Var(expr).name().name() == \\\"torch\\\";\\n}\",\n \"std::string collectQualname(const Select& select) {\\n Expr base = select.value();\\n if (base.kind() == TK_VAR) {\\n return Var(base).name().name() + \\\".\\\" + select.selector().name();\\n }\\n std::string basename = collectQualname(Select(base));\\n return basename + \\\".\\\" + select.selector().name();\\n}\",\n \"const std::unordered_map<std::string, c10::TypePtr>& string_to_type_lut() {\\n return c10::DefaultTypeFactory::basePythonTypes();\\n}\",\n \"} // namespace\",\n \"TypePtr ScriptTypeParser::subscriptToType(\\n const std::string& typeName,\\n const Subscript& subscript) const {\\n if (typeName == \\\"Tuple\\\" || typeName == \\\"tuple\\\") {\\n if (subscript.subscript_exprs().size() == 1 &&\\n subscript.subscript_exprs()[0].kind() == TK_TUPLE_LITERAL) {\\n // `typing.Tuple` special cases syntax for empty tuple annotations,\\n // i.e. `typing.Tuple[()]`. Allow for parsing an empty tuple literal\\n // here. See https://docs.python.org/3/library/typing.html#typing.Tuple\\n auto tup_literal = TupleLiteral(subscript.subscript_exprs()[0]);\\n if (tup_literal.inputs().size() > 0) {\\n throw ErrorReport(tup_literal.range())\\n << \\\"Tuple literal in Tuple type annotation must not \\\"\\n << \\\"have any elements!\\\";\\n }\\n return TupleType::create({});\\n }\\n std::vector<TypePtr> subscript_expr_types;\\n for (auto expr : subscript.subscript_exprs()) {\\n subscript_expr_types.emplace_back(parseTypeFromExprImpl(expr));\\n }\\n return TupleType::create(subscript_expr_types);\\n } else if (typeName == \\\"List\\\" || typeName == \\\"list\\\") {\\n if (subscript.subscript_exprs().size() != 1) {\\n throw ErrorReport(subscript)\\n << \\\" expected exactly one element type but found \\\"\\n << subscript.subscript_exprs().size();\\n }\\n auto elem_type =\\n parseTypeFromExprImpl(*subscript.subscript_exprs().begin());\\n return ListType::create(elem_type);\",\n \" } else if (typeName == \\\"Optional\\\") {\\n if (subscript.subscript_exprs().size() != 1) {\\n throw ErrorReport(subscript)\\n << \\\" expected exactly one element type but found \\\"\\n << subscript.subscript_exprs().size();\\n }\\n auto elem_type =\\n parseTypeFromExprImpl(*subscript.subscript_exprs().begin());\\n return OptionalType::create(elem_type);\",\n \" } else if (typeName == \\\"Union\\\") {\\n std::vector<TypePtr> subscript_expr_types;\\n subscript_expr_types.reserve(subscript.subscript_exprs().size());\\n for (auto expr : subscript.subscript_exprs()) {\\n subscript_expr_types.emplace_back(parseTypeFromExprImpl(expr));\\n }\\n return UnionType::create(subscript_expr_types);\\n } else if (typeName == \\\"Future\\\" || typeName == \\\"torch.jit.Future\\\") {\\n if (subscript.subscript_exprs().size() != 1) {\\n throw ErrorReport(subscript)\\n << \\\" expected exactly one element type but found \\\"\\n << subscript.subscript_exprs().size();\\n }\\n auto elem_type =\\n parseTypeFromExprImpl(*subscript.subscript_exprs().begin());\\n return FutureType::create(elem_type);\\n } else if (typeName == \\\"RRef\\\") {\\n if (subscript.subscript_exprs().size() != 1) {\\n throw ErrorReport(subscript)\\n << \\\" expected exactly one element type but found \\\"\\n << subscript.subscript_exprs().size();\\n }\\n auto elem_type =\\n parseTypeFromExprImpl(*subscript.subscript_exprs().begin());\\n return RRefType::create(elem_type);\\n } else if (typeName == \\\"Dict\\\" || typeName == \\\"dict\\\") {\\n if (subscript.subscript_exprs().size() != 2) {\\n throw ErrorReport(subscript)\\n << \\\" expected exactly 2 element types but found \\\"\\n << subscript.subscript_exprs().size();\\n }\\n auto key_type = parseTypeFromExprImpl(subscript.subscript_exprs()[0]);\\n auto value_type = parseTypeFromExprImpl(subscript.subscript_exprs()[1]);\\n return DictType::create(key_type, value_type);\\n } else {\\n throw ErrorReport(subscript.range())\\n << \\\"Unknown type constructor \\\" << typeName;\\n }\\n}\",\n \"c10::optional<std::pair<TypePtr, int32_t>> ScriptTypeParser::parseBroadcastList(\\n const Expr& expr) const {\\n // Alias torch.nn._common_types._size_?_t to BroadcastingList?[int]\\n if (expr.kind() == TK_VAR) {\\n auto var = Var(expr);\\n auto& name = var.name().name();\\n constexpr auto _size_prefix = \\\"_size_\\\";\\n constexpr auto _size_suffix = \\\"_t\\\";\\n constexpr auto _size_n_len = 9; // strlen(\\\"_size_X_t\\\")\\n constexpr auto _size_prefix_len = 6; // strlen(\\\"_size_\\\");\\n if (name.find(_size_prefix) == 0 && name.length() == _size_n_len &&\\n name.find(_size_suffix) == _size_prefix_len + 1 &&\\n ::isdigit(name[_size_prefix_len])) {\\n int n = name[_size_prefix_len] - '0';\\n return std::pair<TypePtr, int32_t>(ListType::create(IntType::get()), n);\\n }\\n }\",\n \" if (expr.kind() != TK_SUBSCRIPT)\\n return c10::nullopt;\\n auto subscript = Subscript(expr);\\n if (subscript.value().kind() != TK_VAR)\\n return c10::nullopt;\\n auto var = Var(subscript.value());\\n auto subscript_exprs = subscript.subscript_exprs();\",\n \" // handle the case where the BroadcastingList is wrapped in a Optional type\\n if (var.name().name() == \\\"Optional\\\") {\\n auto broadcast_list = parseBroadcastList(subscript_exprs[0]);\\n if (broadcast_list) {\\n TypePtr opt_type = OptionalType::create(broadcast_list->first);\\n return std::pair<TypePtr, int32_t>(opt_type, broadcast_list->second);\\n } else {\\n return c10::nullopt;\\n }\\n } else if (var.name().name().find(\\\"BroadcastingList\\\") != 0) {\\n return c10::nullopt;\\n }\",\n \" if (subscript_exprs.size() != 1)\\n throw ErrorReport(subscript.subscript_exprs().range())\\n << \\\"BroadcastingList/Optional[BroadcastingList] \\\"\\n \\\"must be subscripted with a type\\\";\",\n \" auto typ = subscript_exprs[0];\\n auto len = var.name().name().substr(strlen(\\\"BroadcastingList\\\"));\",\n \" if (typ.kind() != TK_VAR)\\n throw ErrorReport(subscript.value().range())\\n << \\\"Subscripted type must be a type identifier\\\";\",\n \" auto value_name = Var(typ).name().name();\\n if (value_name != \\\"float\\\" && value_name != \\\"int\\\")\\n throw ErrorReport(subscript.value().range())\\n << \\\"Broadcastable lists only supported for int or float\\\";\",\n \" auto elem_ptr = string_to_type_lut().find(value_name);\\n AT_ASSERT(elem_ptr != string_to_type_lut().end());\\n TypePtr list_ptr = ListType::create(elem_ptr->second);\",\n \" const char* len_c = len.c_str();\\n // NOLINTNEXTLINE(cppcoreguidelines-init-variables)\\n char* end;\\n size_t len_v = strtoull(len_c, &end, 10);\\n if (end != len_c + len.size()) {\\n throw ErrorReport(subscript.subscript_exprs().range())\\n << \\\"subscript of Broadcastable list must be a positive integer\\\";\\n }\\n return std::pair<TypePtr, int32_t>(list_ptr, len_v);\\n}\",\n \"// gets the base type name given namespaces where the types live\\n// turns torch.Tensor -> Tensor, X -> X\\nc10::optional<std::string> ScriptTypeParser::parseBaseTypeName(\\n const Expr& expr) const {\\n switch (expr.kind()) {\\n case TK_VAR: {\\n return Var(expr).name().name();\\n }\\n case TK_NONE: {\\n return \\\"None\\\";\\n }\\n case TK_NONE_TYPE: {\\n return \\\"NoneType\\\";\\n }\\n case '.': {\\n auto select = Select(expr);\\n const std::string& name = select.selector().name();\\n // Special case for torch.Tensor and its' subclasses\\n const std::unordered_set<std::string> tensor_subtypes = {\\n \\\"Tensor\\\",\\n \\\"LongTensor\\\",\\n \\\"FloatTensor\\\",\\n \\\"DoubleTensor\\\",\\n \\\"IntTensor\\\",\\n \\\"ShortTensor\\\",\\n \\\"HalfTensor\\\",\\n \\\"CharTensor\\\",\\n \\\"ByteTensor\\\",\\n \\\"BoolTensor\\\"};\\n if (isTorch(select.value()) && tensor_subtypes.count(name) == 1) {\\n return name;\\n } else {\\n // Otherwise, it's a fully qualified class name\\n return collectQualname(select);\\n }\\n } break;\\n }\\n return at::nullopt;\\n}\",\n \"TypePtr ScriptTypeParser::parseTypeFromExpr(const Expr& expr) const {\\n // the resolver needs to recursively resolve the expression, so to avoid\\n // resolving all type expr subtrees we only use it for the top level\\n // expression and base type names.\\n if (resolver_) {\\n if (auto typePtr =\\n resolver_->resolveType(expr.range().text().str(), expr.range())) {\\n return typePtr;\\n }\\n }\\n return parseTypeFromExprImpl(expr);\\n}\",\n \"TypePtr ScriptTypeParser::parseTypeFromExprImpl(const Expr& expr) const {\\n if (expr.kind() == TK_SUBSCRIPT) {\\n auto subscript = Subscript(expr);\\n auto value_name = parseBaseTypeName(subscript.value());\\n if (!value_name) {\\n throw ErrorReport(subscript.value().range())\\n << \\\"Subscripted type must be a type identifier\\\";\\n }\\n return subscriptToType(*value_name, subscript);\",\n \" } else if (expr.kind() == TK_STRINGLITERAL) {\\n const auto& type_name = StringLiteral(expr).text();\",\n \" // Check if the type is a custom class. This is done by checking\\n // if type_name starts with \\\"torch.classes.\\\"\\n if (type_name.find(\\\"torch.classes.\\\") == 0) {\\n auto custom_class_type = getCustomClass(\\\"__torch__.\\\" + type_name);\\n return custom_class_type;\\n }\",\n \" // `torch.cuda.Stream` and `torch.cuda.Event` are aliased as\\n // custom classes of type torch.classes.cuda.Stream and\\n // torch.classes.cuda.Event respectively. Return the respective\\n // custom class types for these two cases.\\n if (type_name.find(\\\"torch.cuda.Stream\\\") == 0) {\\n auto custom_class_type =\\n getCustomClass(\\\"__torch__.torch.classes.cuda.Stream\\\");\\n return custom_class_type;\\n }\",\n \" if (type_name.find(\\\"torch.cuda.Event\\\") == 0) {\\n auto custom_class_type =\\n getCustomClass(\\\"__torch__.torch.classes.cuda.Event\\\");\\n return custom_class_type;\\n }\",\n \" if (resolver_) {\\n if (auto typePtr = resolver_->resolveType(type_name, expr.range())) {\\n return typePtr;\\n }\\n }\",\n \" throw ErrorReport(expr) << \\\"Unknown type name '\\\" << type_name << \\\"'\\\";\\n } else if (auto name = parseBaseTypeName(expr)) {\\n auto itr = string_to_type_lut().find(*name);\\n if (itr != string_to_type_lut().end()) {\\n return itr->second;\\n }\\n if (resolver_) {\\n if (auto typePtr = resolver_->resolveType(*name, expr.range())) {\\n return typePtr;\\n }\\n }\",\n \" if (auto custom_class_type = getCustomClass(*name)) {\\n return custom_class_type;\\n }\",\n \" throw ErrorReport(expr) << \\\"Unknown type name '\\\" << *name << \\\"'\\\";\\n }\\n throw ErrorReport(expr.range())\\n << \\\"Expression of type \\\" << kindToString(expr.kind())\\n << \\\" cannot be used in a type expression\\\";\\n}\",\n \"TypePtr ScriptTypeParser::parseType(const std::string& str) {\\n Parser p(std::make_shared<Source>(str));\\n return parseTypeFromExpr(p.parseExp());\\n}\",\n \"std::vector<IValue> ScriptTypeParser::evaluateDefaults(\\n const SourceRange& r,\\n const std::vector<Expr>& default_types,\\n const std::vector<Expr>& default_exprs) {\\n std::vector<IValue> default_values;\\n if (default_exprs.empty())\\n return default_values;\\n // To evaluate the default expressions, we create a graph with no inputs,\\n // and whose returns are the default values we need.\\n // We then run constant prop on this graph and check the results are\\n // constant. This approach avoids having to have separate handling of\\n // default arguments from standard expressions by piecing together existing\",\n \" // machinery for graph generation, constant propgation, and constant\",\n \" // extraction.\\n auto tuple_type = Subscript::create(\\n r,\\n Var::create(r, Ident::create(r, \\\"Tuple\\\")),\\n List<Expr>::create(r, default_types));\\n auto blank_decl = Decl::create(\\n r, List<Param>::create(r, {}), Maybe<Expr>::create(r, tuple_type));\",\n \" auto tuple_expr =\\n TupleLiteral::create(r, List<Expr>::create(r, default_exprs));\\n auto ret = Return::create(r, tuple_expr);\\n auto def = Def::create(\\n r,\\n Ident::create(r, \\\"defaults\\\"),\\n blank_decl,\\n List<Stmt>::create(r, {ret}));\",\n \" CompilationUnit cu;\\n cu.define(\\n c10::nullopt,\\n /*properties=*/{},\\n /*propResolvers=*/{},\\n {def},\\n {resolver_},\\n nullptr);\\n Stack stack;\\n // XXX: We need to turn optimization off here because otherwise we try to\\n // recursively initialize stuff in DecomposeOps.\\n GraphOptimizerEnabledGuard guard(false);\\n cu.get_function(def.name().name()).run(stack);\\n return stack.at(0).toTupleRef().elements().vec();\\n}\",\n \"std::vector<Argument> ScriptTypeParser::parseArgsFromDecl(\\n const Decl& decl,\\n bool skip_self) {\\n auto params_begin = decl.params().begin();\\n auto params_end = decl.params().end();\\n if (skip_self) {\\n ++params_begin;\\n }\\n std::vector<Argument> retval;\",\n \" std::vector<Expr> default_types;\\n std::vector<Expr> default_exprs;\\n // gather any non-empty default arguments\\n for (auto it = params_begin; it != params_end; ++it) {\\n auto param = *it;\\n auto def = param.defaultValue();\\n if (def.present()) {\\n if (!param.type().present()) {\\n // We require explicit type-hints for default expressions.\\n // If param doesn't have a type, we could default to \\\"Tensor\\\",\\n // just like what happens in the Python frontend.\\n // However here things are a bit more complicated, because\\n // default expressions are evaluated using a custom-built\\n // graph, and error messages coming out of that in case\\n // the type doesn't match the value are quite obscure.\\n throw ErrorReport(param.range())\\n << \\\"Keyword arguments with defaults need to be type-hinted (TorchScript C++ frontend)\\\";\\n }\\n default_types.emplace_back(param.type().get());\\n default_exprs.emplace_back(def.get());\\n }\\n }\",\n \" auto default_values =\\n evaluateDefaults(decl.range(), default_types, default_exprs);\",\n \" auto defaults_it = default_values.begin();\\n for (auto it = params_begin; it != params_end; ++it) {\\n auto decl_arg = *it;\",\n \" TypePtr type;\\n c10::optional<int32_t> N = c10::nullopt;\\n if (!decl_arg.type().present()) {\\n // If this param doesn't have a type, default to \\\"tensor\\\"\\n type = TensorType::getInferred();\\n } else {\\n // BroadcastList list can only appear at the argument level\\n Expr type_expr = decl_arg.type().get();\\n if (auto maybe_broad_list = parseBroadcastList(type_expr)) {\\n type = maybe_broad_list->first;\\n N = maybe_broad_list->second;\\n } else {\\n type = parseTypeFromExpr(decl_arg.type().get());\\n }\\n }\\n c10::optional<IValue> default_value = c10::nullopt;\\n if (decl_arg.defaultValue().present()) {\\n default_value = *defaults_it++;\\n }\\n auto arg = Argument(\\n decl_arg.ident().name(),\\n type,\\n N,\\n default_value,\\n decl_arg.kwarg_only(),\\n /*alias_info=*/c10::nullopt);\\n retval.push_back(arg);\\n }\\n return retval;\\n}\",\n \"std::vector<Argument> ScriptTypeParser::parseReturnFromDecl(const Decl& decl) {\\n // we represent no annoation on a return type as having no values in the\\n // schema's return() list\\n // in emitReturn we take the actual return value to be the value of the\\n // return statement if no one was provided here\\n if (!decl.return_type().present())\\n return {};\",\n \" if (parseBroadcastList(decl.return_type().get()))\\n throw ErrorReport(decl.return_type().range())\\n << \\\"Broadcastable lists cannot appear as a return type\\\";\",\n \" TypePtr parsed_type;\\n Expr type_expr = decl.return_type().get();\\n parsed_type = parseTypeFromExpr(type_expr);\\n return {Argument(\\n \\\"\\\",\\n parsed_type,\\n /*N =*/c10::nullopt,\\n /*default_value =*/c10::nullopt,\\n /*kwarg_only =*/false)};\\n}\\nFunctionSchema ScriptTypeParser::parseSchemaFromDef(\\n const Def& def,\\n bool skip_self) {\\n const auto name = def.name().name();\\n std::vector<Argument> args = parseArgsFromDecl(def.decl(), skip_self);\\n std::vector<Argument> returns = parseReturnFromDecl(def.decl());\\n return FunctionSchema(\\n name, \\\"\\\", std::move(args), std::move(returns), false, false);\\n}\",\n \"c10::IValue ScriptTypeParser::parseClassConstant(const Assign& assign) {\\n if (assign.lhs().kind() != TK_VAR) {\\n throw ErrorReport(assign.range())\\n << \\\"Expected to a variable for class constant\\\";\\n }\\n const auto final_type = assign.type().get();\\n auto expr = assign.rhs().get();\\n if (final_type.kind() != TK_SUBSCRIPT) {\\n throw ErrorReport(assign.range())\\n << \\\"Expected subscripted type for class constant\\\";\\n }\\n auto subscript = Subscript(final_type);\\n auto value_name = parseBaseTypeName(subscript.value());\\n if (!value_name) {\\n throw ErrorReport(subscript.value().range())\\n << \\\"Subscripted type must be a type identifier\\\";\\n }\\n if (*value_name != \\\"Final\\\") {\\n throw ErrorReport(subscript.range())\\n << \\\"Base type must be Final for class constant\\\";\\n }\\n if (subscript.subscript_exprs().size() != 1) {\\n throw ErrorReport(subscript)\\n << \\\" expected exactly one element type but found \\\"\\n << subscript.subscript_exprs().size();\\n }\\n auto type = *subscript.subscript_exprs().begin();\\n auto default_val = evaluateDefaults(expr.range(), {type}, {expr});\\n return *default_val.begin();\\n}\",\n \"} // namespace jit\\n} // namespace torch\"\n]","isConversational":false},"labels":{"kind":"list like","value":[1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,1,1,1,1,1,1,1,1,1,1,1,1,1],"string":"[\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 0,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1\n]","isConversational":false},"source":{"kind":"string","value":"PreciseBugs"},"other_info":{"kind":"string","value":"{\"buggy_code_end_loc\": [3953, 320, 166], \"buggy_code_start_loc\": [3953, 319, 1], \"filenames\": [\"test/test_jit.py\", \"torch/csrc/jit/frontend/script_type_parser.cpp\", \"torch/jit/annotations.py\"], \"fixing_code_end_loc\": [3962, 320, 176], \"fixing_code_start_loc\": [3954, 319, 2], \"message\": \"In PyTorch before trunk/89695, torch.jit.annotations.parse_type_line can cause arbitrary code execution because eval is used unsafely.\", \"other\": {\"cve\": {\"cisaActionDue\": null, \"cisaExploitAdd\": null, \"cisaRequiredAction\": null, \"cisaVulnerabilityName\": null, \"configurations\": [{\"nodes\": [{\"cpeMatch\": [{\"criteria\": \"cpe:2.3:a:linuxfoundation:pytorch:*:*:*:*:*:python:*:*\", \"matchCriteriaId\": \"17B8827A-469E-484D-845F-8DA235DB1BBA\", \"versionEndExcluding\": \"1.13.1\", \"versionEndIncluding\": null, \"versionStartExcluding\": null, \"versionStartIncluding\": null, \"vulnerable\": true}], \"negate\": false, \"operator\": \"OR\"}], \"operator\": null}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"In PyTorch before trunk/89695, torch.jit.annotations.parse_type_line can cause arbitrary code execution because eval is used unsafely.\"}], \"evaluatorComment\": null, \"id\": \"CVE-2022-45907\", \"lastModified\": \"2023-04-26T17:39:13.317\", \"metrics\": {\"cvssMetricV2\": null, \"cvssMetricV30\": null, \"cvssMetricV31\": [{\"cvssData\": {\"attackComplexity\": \"LOW\", \"attackVector\": \"NETWORK\", \"availabilityImpact\": \"HIGH\", \"baseScore\": 9.8, \"baseSeverity\": \"CRITICAL\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"scope\": \"UNCHANGED\", \"userInteraction\": \"NONE\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\", \"version\": \"3.1\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 5.9, \"source\": \"nvd@nist.gov\", \"type\": \"Primary\"}]}, \"published\": \"2022-11-26T02:15:10.253\", \"references\": [{\"source\": \"cve@mitre.org\", \"tags\": [\"Patch\", \"Third Party Advisory\"], \"url\": \"https://github.com/pytorch/pytorch/commit/767f6aa49fe20a2766b9843d01e3b7f7793df6a3\"}, {\"source\": \"cve@mitre.org\", \"tags\": [\"Exploit\", \"Issue Tracking\", \"Patch\", \"Third Party Advisory\"], \"url\": \"https://github.com/pytorch/pytorch/issues/88868\"}], \"sourceIdentifier\": \"cve@mitre.org\", \"vendorComments\": null, \"vulnStatus\": \"Analyzed\", \"weaknesses\": [{\"description\": [{\"lang\": \"en\", \"value\": \"CWE-77\"}], \"source\": \"nvd@nist.gov\", \"type\": \"Primary\"}]}, \"github_commit_url\": \"https://github.com/pytorch/pytorch/commit/767f6aa49fe20a2766b9843d01e3b7f7793df6a3\"}, \"type\": \"CWE-77\"}"},"index":{"kind":"number","value":858,"string":"858"}}},{"rowIdx":5085,"cells":{"prompt":{"kind":"string","value":"Determine whether the {function_name} code is vulnerable or not."},"completions":{"kind":"list like","value":["#include <torch/csrc/jit/frontend/script_type_parser.h>","#include <ATen/core/type_factory.h>\n#include <torch/csrc/jit/frontend/parser.h>\n#include <torch/csrc/jit/ir/ir.h>\n#include <torch/custom_class.h>","namespace torch {\nnamespace jit {\nnamespace {","bool isTorch(const Expr& expr) {\n return expr.kind() == TK_VAR && Var(expr).name().name() == \"torch\";\n}","std::string collectQualname(const Select& select) {\n Expr base = select.value();\n if (base.kind() == TK_VAR) {\n return Var(base).name().name() + \".\" + select.selector().name();\n }\n std::string basename = collectQualname(Select(base));\n return basename + \".\" + select.selector().name();\n}","const std::unordered_map<std::string, c10::TypePtr>& string_to_type_lut() {\n return c10::DefaultTypeFactory::basePythonTypes();\n}","} // namespace","TypePtr ScriptTypeParser::subscriptToType(\n const std::string& typeName,\n const Subscript& subscript) const {\n if (typeName == \"Tuple\" || typeName == \"tuple\") {\n if (subscript.subscript_exprs().size() == 1 &&\n subscript.subscript_exprs()[0].kind() == TK_TUPLE_LITERAL) {\n // `typing.Tuple` special cases syntax for empty tuple annotations,\n // i.e. `typing.Tuple[()]`. Allow for parsing an empty tuple literal\n // here. See https://docs.python.org/3/library/typing.html#typing.Tuple\n auto tup_literal = TupleLiteral(subscript.subscript_exprs()[0]);\n if (tup_literal.inputs().size() > 0) {\n throw ErrorReport(tup_literal.range())\n << \"Tuple literal in Tuple type annotation must not \"\n << \"have any elements!\";\n }\n return TupleType::create({});\n }\n std::vector<TypePtr> subscript_expr_types;\n for (auto expr : subscript.subscript_exprs()) {\n subscript_expr_types.emplace_back(parseTypeFromExprImpl(expr));\n }\n return TupleType::create(subscript_expr_types);\n } else if (typeName == \"List\" || typeName == \"list\") {\n if (subscript.subscript_exprs().size() != 1) {\n throw ErrorReport(subscript)\n << \" expected exactly one element type but found \"\n << subscript.subscript_exprs().size();\n }\n auto elem_type =\n parseTypeFromExprImpl(*subscript.subscript_exprs().begin());\n return ListType::create(elem_type);"," } else if (typeName == \"Optional\") {\n if (subscript.subscript_exprs().size() != 1) {\n throw ErrorReport(subscript)\n << \" expected exactly one element type but found \"\n << subscript.subscript_exprs().size();\n }\n auto elem_type =\n parseTypeFromExprImpl(*subscript.subscript_exprs().begin());\n return OptionalType::create(elem_type);"," } else if (typeName == \"Union\") {\n std::vector<TypePtr> subscript_expr_types;\n subscript_expr_types.reserve(subscript.subscript_exprs().size());\n for (auto expr : subscript.subscript_exprs()) {\n subscript_expr_types.emplace_back(parseTypeFromExprImpl(expr));\n }\n return UnionType::create(subscript_expr_types);\n } else if (typeName == \"Future\" || typeName == \"torch.jit.Future\") {\n if (subscript.subscript_exprs().size() != 1) {\n throw ErrorReport(subscript)\n << \" expected exactly one element type but found \"\n << subscript.subscript_exprs().size();\n }\n auto elem_type =\n parseTypeFromExprImpl(*subscript.subscript_exprs().begin());\n return FutureType::create(elem_type);\n } else if (typeName == \"RRef\") {\n if (subscript.subscript_exprs().size() != 1) {\n throw ErrorReport(subscript)\n << \" expected exactly one element type but found \"\n << subscript.subscript_exprs().size();\n }\n auto elem_type =\n parseTypeFromExprImpl(*subscript.subscript_exprs().begin());\n return RRefType::create(elem_type);\n } else if (typeName == \"Dict\" || typeName == \"dict\") {\n if (subscript.subscript_exprs().size() != 2) {\n throw ErrorReport(subscript)\n << \" expected exactly 2 element types but found \"\n << subscript.subscript_exprs().size();\n }\n auto key_type = parseTypeFromExprImpl(subscript.subscript_exprs()[0]);\n auto value_type = parseTypeFromExprImpl(subscript.subscript_exprs()[1]);\n return DictType::create(key_type, value_type);\n } else {\n throw ErrorReport(subscript.range())\n << \"Unknown type constructor \" << typeName;\n }\n}","c10::optional<std::pair<TypePtr, int32_t>> ScriptTypeParser::parseBroadcastList(\n const Expr& expr) const {\n // Alias torch.nn._common_types._size_?_t to BroadcastingList?[int]\n if (expr.kind() == TK_VAR) {\n auto var = Var(expr);\n auto& name = var.name().name();\n constexpr auto _size_prefix = \"_size_\";\n constexpr auto _size_suffix = \"_t\";\n constexpr auto _size_n_len = 9; // strlen(\"_size_X_t\")\n constexpr auto _size_prefix_len = 6; // strlen(\"_size_\");\n if (name.find(_size_prefix) == 0 && name.length() == _size_n_len &&\n name.find(_size_suffix) == _size_prefix_len + 1 &&\n ::isdigit(name[_size_prefix_len])) {\n int n = name[_size_prefix_len] - '0';\n return std::pair<TypePtr, int32_t>(ListType::create(IntType::get()), n);\n }\n }"," if (expr.kind() != TK_SUBSCRIPT)\n return c10::nullopt;\n auto subscript = Subscript(expr);\n if (subscript.value().kind() != TK_VAR)\n return c10::nullopt;\n auto var = Var(subscript.value());\n auto subscript_exprs = subscript.subscript_exprs();"," // handle the case where the BroadcastingList is wrapped in a Optional type\n if (var.name().name() == \"Optional\") {\n auto broadcast_list = parseBroadcastList(subscript_exprs[0]);\n if (broadcast_list) {\n TypePtr opt_type = OptionalType::create(broadcast_list->first);\n return std::pair<TypePtr, int32_t>(opt_type, broadcast_list->second);\n } else {\n return c10::nullopt;\n }\n } else if (var.name().name().find(\"BroadcastingList\") != 0) {\n return c10::nullopt;\n }"," if (subscript_exprs.size() != 1)\n throw ErrorReport(subscript.subscript_exprs().range())\n << \"BroadcastingList/Optional[BroadcastingList] \"\n \"must be subscripted with a type\";"," auto typ = subscript_exprs[0];\n auto len = var.name().name().substr(strlen(\"BroadcastingList\"));"," if (typ.kind() != TK_VAR)\n throw ErrorReport(subscript.value().range())\n << \"Subscripted type must be a type identifier\";"," auto value_name = Var(typ).name().name();\n if (value_name != \"float\" && value_name != \"int\")\n throw ErrorReport(subscript.value().range())\n << \"Broadcastable lists only supported for int or float\";"," auto elem_ptr = string_to_type_lut().find(value_name);\n AT_ASSERT(elem_ptr != string_to_type_lut().end());\n TypePtr list_ptr = ListType::create(elem_ptr->second);"," const char* len_c = len.c_str();\n // NOLINTNEXTLINE(cppcoreguidelines-init-variables)\n char* end;\n size_t len_v = strtoull(len_c, &end, 10);\n if (end != len_c + len.size()) {\n throw ErrorReport(subscript.subscript_exprs().range())\n << \"subscript of Broadcastable list must be a positive integer\";\n }\n return std::pair<TypePtr, int32_t>(list_ptr, len_v);\n}","// gets the base type name given namespaces where the types live\n// turns torch.Tensor -> Tensor, X -> X\nc10::optional<std::string> ScriptTypeParser::parseBaseTypeName(\n const Expr& expr) const {\n switch (expr.kind()) {\n case TK_VAR: {\n return Var(expr).name().name();\n }\n case TK_NONE: {\n return \"None\";\n }\n case TK_NONE_TYPE: {\n return \"NoneType\";\n }\n case '.': {\n auto select = Select(expr);\n const std::string& name = select.selector().name();\n // Special case for torch.Tensor and its' subclasses\n const std::unordered_set<std::string> tensor_subtypes = {\n \"Tensor\",\n \"LongTensor\",\n \"FloatTensor\",\n \"DoubleTensor\",\n \"IntTensor\",\n \"ShortTensor\",\n \"HalfTensor\",\n \"CharTensor\",\n \"ByteTensor\",\n \"BoolTensor\"};\n if (isTorch(select.value()) && tensor_subtypes.count(name) == 1) {\n return name;\n } else {\n // Otherwise, it's a fully qualified class name\n return collectQualname(select);\n }\n } break;\n }\n return at::nullopt;\n}","TypePtr ScriptTypeParser::parseTypeFromExpr(const Expr& expr) const {\n // the resolver needs to recursively resolve the expression, so to avoid\n // resolving all type expr subtrees we only use it for the top level\n // expression and base type names.\n if (resolver_) {\n if (auto typePtr =\n resolver_->resolveType(expr.range().text().str(), expr.range())) {\n return typePtr;\n }\n }\n return parseTypeFromExprImpl(expr);\n}","TypePtr ScriptTypeParser::parseTypeFromExprImpl(const Expr& expr) const {\n if (expr.kind() == TK_SUBSCRIPT) {\n auto subscript = Subscript(expr);\n auto value_name = parseBaseTypeName(subscript.value());\n if (!value_name) {\n throw ErrorReport(subscript.value().range())\n << \"Subscripted type must be a type identifier\";\n }\n return subscriptToType(*value_name, subscript);"," } else if (expr.kind() == TK_STRINGLITERAL) {\n const auto& type_name = StringLiteral(expr).text();"," // Check if the type is a custom class. This is done by checking\n // if type_name starts with \"torch.classes.\"\n if (type_name.find(\"torch.classes.\") == 0) {\n auto custom_class_type = getCustomClass(\"__torch__.\" + type_name);\n return custom_class_type;\n }"," // `torch.cuda.Stream` and `torch.cuda.Event` are aliased as\n // custom classes of type torch.classes.cuda.Stream and\n // torch.classes.cuda.Event respectively. Return the respective\n // custom class types for these two cases.\n if (type_name.find(\"torch.cuda.Stream\") == 0) {\n auto custom_class_type =\n getCustomClass(\"__torch__.torch.classes.cuda.Stream\");\n return custom_class_type;\n }"," if (type_name.find(\"torch.cuda.Event\") == 0) {\n auto custom_class_type =\n getCustomClass(\"__torch__.torch.classes.cuda.Event\");\n return custom_class_type;\n }"," if (resolver_) {\n if (auto typePtr = resolver_->resolveType(type_name, expr.range())) {\n return typePtr;\n }\n }"," throw ErrorReport(expr) << \"Unknown type name '\" << type_name << \"'\";\n } else if (auto name = parseBaseTypeName(expr)) {\n auto itr = string_to_type_lut().find(*name);\n if (itr != string_to_type_lut().end()) {\n return itr->second;\n }\n if (resolver_) {\n if (auto typePtr = resolver_->resolveType(*name, expr.range())) {\n return typePtr;\n }\n }"," if (auto custom_class_type = getCustomClass(*name)) {\n return custom_class_type;\n }"," throw ErrorReport(expr) << \"Unknown type name '\" << *name << \"'\";\n }\n throw ErrorReport(expr.range())\n << \"Expression of type \" << kindToString(expr.kind())\n << \" cannot be used in a type expression\";\n}","TypePtr ScriptTypeParser::parseType(const std::string& str) {\n Parser p(std::make_shared<Source>(str));\n return parseTypeFromExpr(p.parseExp());\n}","std::vector<IValue> ScriptTypeParser::evaluateDefaults(\n const SourceRange& r,\n const std::vector<Expr>& default_types,\n const std::vector<Expr>& default_exprs) {\n std::vector<IValue> default_values;\n if (default_exprs.empty())\n return default_values;\n // To evaluate the default expressions, we create a graph with no inputs,\n // and whose returns are the default values we need.\n // We then run constant prop on this graph and check the results are\n // constant. This approach avoids having to have separate handling of\n // default arguments from standard expressions by piecing together existing"," // machinery for graph generation, constant propagation, and constant"," // extraction.\n auto tuple_type = Subscript::create(\n r,\n Var::create(r, Ident::create(r, \"Tuple\")),\n List<Expr>::create(r, default_types));\n auto blank_decl = Decl::create(\n r, List<Param>::create(r, {}), Maybe<Expr>::create(r, tuple_type));"," auto tuple_expr =\n TupleLiteral::create(r, List<Expr>::create(r, default_exprs));\n auto ret = Return::create(r, tuple_expr);\n auto def = Def::create(\n r,\n Ident::create(r, \"defaults\"),\n blank_decl,\n List<Stmt>::create(r, {ret}));"," CompilationUnit cu;\n cu.define(\n c10::nullopt,\n /*properties=*/{},\n /*propResolvers=*/{},\n {def},\n {resolver_},\n nullptr);\n Stack stack;\n // XXX: We need to turn optimization off here because otherwise we try to\n // recursively initialize stuff in DecomposeOps.\n GraphOptimizerEnabledGuard guard(false);\n cu.get_function(def.name().name()).run(stack);\n return stack.at(0).toTupleRef().elements().vec();\n}","std::vector<Argument> ScriptTypeParser::parseArgsFromDecl(\n const Decl& decl,\n bool skip_self) {\n auto params_begin = decl.params().begin();\n auto params_end = decl.params().end();\n if (skip_self) {\n ++params_begin;\n }\n std::vector<Argument> retval;"," std::vector<Expr> default_types;\n std::vector<Expr> default_exprs;\n // gather any non-empty default arguments\n for (auto it = params_begin; it != params_end; ++it) {\n auto param = *it;\n auto def = param.defaultValue();\n if (def.present()) {\n if (!param.type().present()) {\n // We require explicit type-hints for default expressions.\n // If param doesn't have a type, we could default to \"Tensor\",\n // just like what happens in the Python frontend.\n // However here things are a bit more complicated, because\n // default expressions are evaluated using a custom-built\n // graph, and error messages coming out of that in case\n // the type doesn't match the value are quite obscure.\n throw ErrorReport(param.range())\n << \"Keyword arguments with defaults need to be type-hinted (TorchScript C++ frontend)\";\n }\n default_types.emplace_back(param.type().get());\n default_exprs.emplace_back(def.get());\n }\n }"," auto default_values =\n evaluateDefaults(decl.range(), default_types, default_exprs);"," auto defaults_it = default_values.begin();\n for (auto it = params_begin; it != params_end; ++it) {\n auto decl_arg = *it;"," TypePtr type;\n c10::optional<int32_t> N = c10::nullopt;\n if (!decl_arg.type().present()) {\n // If this param doesn't have a type, default to \"tensor\"\n type = TensorType::getInferred();\n } else {\n // BroadcastList list can only appear at the argument level\n Expr type_expr = decl_arg.type().get();\n if (auto maybe_broad_list = parseBroadcastList(type_expr)) {\n type = maybe_broad_list->first;\n N = maybe_broad_list->second;\n } else {\n type = parseTypeFromExpr(decl_arg.type().get());\n }\n }\n c10::optional<IValue> default_value = c10::nullopt;\n if (decl_arg.defaultValue().present()) {\n default_value = *defaults_it++;\n }\n auto arg = Argument(\n decl_arg.ident().name(),\n type,\n N,\n default_value,\n decl_arg.kwarg_only(),\n /*alias_info=*/c10::nullopt);\n retval.push_back(arg);\n }\n return retval;\n}","std::vector<Argument> ScriptTypeParser::parseReturnFromDecl(const Decl& decl) {\n // we represent no annoation on a return type as having no values in the\n // schema's return() list\n // in emitReturn we take the actual return value to be the value of the\n // return statement if no one was provided here\n if (!decl.return_type().present())\n return {};"," if (parseBroadcastList(decl.return_type().get()))\n throw ErrorReport(decl.return_type().range())\n << \"Broadcastable lists cannot appear as a return type\";"," TypePtr parsed_type;\n Expr type_expr = decl.return_type().get();\n parsed_type = parseTypeFromExpr(type_expr);\n return {Argument(\n \"\",\n parsed_type,\n /*N =*/c10::nullopt,\n /*default_value =*/c10::nullopt,\n /*kwarg_only =*/false)};\n}\nFunctionSchema ScriptTypeParser::parseSchemaFromDef(\n const Def& def,\n bool skip_self) {\n const auto name = def.name().name();\n std::vector<Argument> args = parseArgsFromDecl(def.decl(), skip_self);\n std::vector<Argument> returns = parseReturnFromDecl(def.decl());\n return FunctionSchema(\n name, \"\", std::move(args), std::move(returns), false, false);\n}","c10::IValue ScriptTypeParser::parseClassConstant(const Assign& assign) {\n if (assign.lhs().kind() != TK_VAR) {\n throw ErrorReport(assign.range())\n << \"Expected to a variable for class constant\";\n }\n const auto final_type = assign.type().get();\n auto expr = assign.rhs().get();\n if (final_type.kind() != TK_SUBSCRIPT) {\n throw ErrorReport(assign.range())\n << \"Expected subscripted type for class constant\";\n }\n auto subscript = Subscript(final_type);\n auto value_name = parseBaseTypeName(subscript.value());\n if (!value_name) {\n throw ErrorReport(subscript.value().range())\n << \"Subscripted type must be a type identifier\";\n }\n if (*value_name != \"Final\") {\n throw ErrorReport(subscript.range())\n << \"Base type must be Final for class constant\";\n }\n if (subscript.subscript_exprs().size() != 1) {\n throw ErrorReport(subscript)\n << \" expected exactly one element type but found \"\n << subscript.subscript_exprs().size();\n }\n auto type = *subscript.subscript_exprs().begin();\n auto default_val = evaluateDefaults(expr.range(), {type}, {expr});\n return *default_val.begin();\n}","} // namespace jit\n} // namespace torch"],"string":"[\n \"#include <torch/csrc/jit/frontend/script_type_parser.h>\",\n \"#include <ATen/core/type_factory.h>\\n#include <torch/csrc/jit/frontend/parser.h>\\n#include <torch/csrc/jit/ir/ir.h>\\n#include <torch/custom_class.h>\",\n \"namespace torch {\\nnamespace jit {\\nnamespace {\",\n \"bool isTorch(const Expr& expr) {\\n return expr.kind() == TK_VAR && Var(expr).name().name() == \\\"torch\\\";\\n}\",\n \"std::string collectQualname(const Select& select) {\\n Expr base = select.value();\\n if (base.kind() == TK_VAR) {\\n return Var(base).name().name() + \\\".\\\" + select.selector().name();\\n }\\n std::string basename = collectQualname(Select(base));\\n return basename + \\\".\\\" + select.selector().name();\\n}\",\n \"const std::unordered_map<std::string, c10::TypePtr>& string_to_type_lut() {\\n return c10::DefaultTypeFactory::basePythonTypes();\\n}\",\n \"} // namespace\",\n \"TypePtr ScriptTypeParser::subscriptToType(\\n const std::string& typeName,\\n const Subscript& subscript) const {\\n if (typeName == \\\"Tuple\\\" || typeName == \\\"tuple\\\") {\\n if (subscript.subscript_exprs().size() == 1 &&\\n subscript.subscript_exprs()[0].kind() == TK_TUPLE_LITERAL) {\\n // `typing.Tuple` special cases syntax for empty tuple annotations,\\n // i.e. `typing.Tuple[()]`. Allow for parsing an empty tuple literal\\n // here. See https://docs.python.org/3/library/typing.html#typing.Tuple\\n auto tup_literal = TupleLiteral(subscript.subscript_exprs()[0]);\\n if (tup_literal.inputs().size() > 0) {\\n throw ErrorReport(tup_literal.range())\\n << \\\"Tuple literal in Tuple type annotation must not \\\"\\n << \\\"have any elements!\\\";\\n }\\n return TupleType::create({});\\n }\\n std::vector<TypePtr> subscript_expr_types;\\n for (auto expr : subscript.subscript_exprs()) {\\n subscript_expr_types.emplace_back(parseTypeFromExprImpl(expr));\\n }\\n return TupleType::create(subscript_expr_types);\\n } else if (typeName == \\\"List\\\" || typeName == \\\"list\\\") {\\n if (subscript.subscript_exprs().size() != 1) {\\n throw ErrorReport(subscript)\\n << \\\" expected exactly one element type but found \\\"\\n << subscript.subscript_exprs().size();\\n }\\n auto elem_type =\\n parseTypeFromExprImpl(*subscript.subscript_exprs().begin());\\n return ListType::create(elem_type);\",\n \" } else if (typeName == \\\"Optional\\\") {\\n if (subscript.subscript_exprs().size() != 1) {\\n throw ErrorReport(subscript)\\n << \\\" expected exactly one element type but found \\\"\\n << subscript.subscript_exprs().size();\\n }\\n auto elem_type =\\n parseTypeFromExprImpl(*subscript.subscript_exprs().begin());\\n return OptionalType::create(elem_type);\",\n \" } else if (typeName == \\\"Union\\\") {\\n std::vector<TypePtr> subscript_expr_types;\\n subscript_expr_types.reserve(subscript.subscript_exprs().size());\\n for (auto expr : subscript.subscript_exprs()) {\\n subscript_expr_types.emplace_back(parseTypeFromExprImpl(expr));\\n }\\n return UnionType::create(subscript_expr_types);\\n } else if (typeName == \\\"Future\\\" || typeName == \\\"torch.jit.Future\\\") {\\n if (subscript.subscript_exprs().size() != 1) {\\n throw ErrorReport(subscript)\\n << \\\" expected exactly one element type but found \\\"\\n << subscript.subscript_exprs().size();\\n }\\n auto elem_type =\\n parseTypeFromExprImpl(*subscript.subscript_exprs().begin());\\n return FutureType::create(elem_type);\\n } else if (typeName == \\\"RRef\\\") {\\n if (subscript.subscript_exprs().size() != 1) {\\n throw ErrorReport(subscript)\\n << \\\" expected exactly one element type but found \\\"\\n << subscript.subscript_exprs().size();\\n }\\n auto elem_type =\\n parseTypeFromExprImpl(*subscript.subscript_exprs().begin());\\n return RRefType::create(elem_type);\\n } else if (typeName == \\\"Dict\\\" || typeName == \\\"dict\\\") {\\n if (subscript.subscript_exprs().size() != 2) {\\n throw ErrorReport(subscript)\\n << \\\" expected exactly 2 element types but found \\\"\\n << subscript.subscript_exprs().size();\\n }\\n auto key_type = parseTypeFromExprImpl(subscript.subscript_exprs()[0]);\\n auto value_type = parseTypeFromExprImpl(subscript.subscript_exprs()[1]);\\n return DictType::create(key_type, value_type);\\n } else {\\n throw ErrorReport(subscript.range())\\n << \\\"Unknown type constructor \\\" << typeName;\\n }\\n}\",\n \"c10::optional<std::pair<TypePtr, int32_t>> ScriptTypeParser::parseBroadcastList(\\n const Expr& expr) const {\\n // Alias torch.nn._common_types._size_?_t to BroadcastingList?[int]\\n if (expr.kind() == TK_VAR) {\\n auto var = Var(expr);\\n auto& name = var.name().name();\\n constexpr auto _size_prefix = \\\"_size_\\\";\\n constexpr auto _size_suffix = \\\"_t\\\";\\n constexpr auto _size_n_len = 9; // strlen(\\\"_size_X_t\\\")\\n constexpr auto _size_prefix_len = 6; // strlen(\\\"_size_\\\");\\n if (name.find(_size_prefix) == 0 && name.length() == _size_n_len &&\\n name.find(_size_suffix) == _size_prefix_len + 1 &&\\n ::isdigit(name[_size_prefix_len])) {\\n int n = name[_size_prefix_len] - '0';\\n return std::pair<TypePtr, int32_t>(ListType::create(IntType::get()), n);\\n }\\n }\",\n \" if (expr.kind() != TK_SUBSCRIPT)\\n return c10::nullopt;\\n auto subscript = Subscript(expr);\\n if (subscript.value().kind() != TK_VAR)\\n return c10::nullopt;\\n auto var = Var(subscript.value());\\n auto subscript_exprs = subscript.subscript_exprs();\",\n \" // handle the case where the BroadcastingList is wrapped in a Optional type\\n if (var.name().name() == \\\"Optional\\\") {\\n auto broadcast_list = parseBroadcastList(subscript_exprs[0]);\\n if (broadcast_list) {\\n TypePtr opt_type = OptionalType::create(broadcast_list->first);\\n return std::pair<TypePtr, int32_t>(opt_type, broadcast_list->second);\\n } else {\\n return c10::nullopt;\\n }\\n } else if (var.name().name().find(\\\"BroadcastingList\\\") != 0) {\\n return c10::nullopt;\\n }\",\n \" if (subscript_exprs.size() != 1)\\n throw ErrorReport(subscript.subscript_exprs().range())\\n << \\\"BroadcastingList/Optional[BroadcastingList] \\\"\\n \\\"must be subscripted with a type\\\";\",\n \" auto typ = subscript_exprs[0];\\n auto len = var.name().name().substr(strlen(\\\"BroadcastingList\\\"));\",\n \" if (typ.kind() != TK_VAR)\\n throw ErrorReport(subscript.value().range())\\n << \\\"Subscripted type must be a type identifier\\\";\",\n \" auto value_name = Var(typ).name().name();\\n if (value_name != \\\"float\\\" && value_name != \\\"int\\\")\\n throw ErrorReport(subscript.value().range())\\n << \\\"Broadcastable lists only supported for int or float\\\";\",\n \" auto elem_ptr = string_to_type_lut().find(value_name);\\n AT_ASSERT(elem_ptr != string_to_type_lut().end());\\n TypePtr list_ptr = ListType::create(elem_ptr->second);\",\n \" const char* len_c = len.c_str();\\n // NOLINTNEXTLINE(cppcoreguidelines-init-variables)\\n char* end;\\n size_t len_v = strtoull(len_c, &end, 10);\\n if (end != len_c + len.size()) {\\n throw ErrorReport(subscript.subscript_exprs().range())\\n << \\\"subscript of Broadcastable list must be a positive integer\\\";\\n }\\n return std::pair<TypePtr, int32_t>(list_ptr, len_v);\\n}\",\n \"// gets the base type name given namespaces where the types live\\n// turns torch.Tensor -> Tensor, X -> X\\nc10::optional<std::string> ScriptTypeParser::parseBaseTypeName(\\n const Expr& expr) const {\\n switch (expr.kind()) {\\n case TK_VAR: {\\n return Var(expr).name().name();\\n }\\n case TK_NONE: {\\n return \\\"None\\\";\\n }\\n case TK_NONE_TYPE: {\\n return \\\"NoneType\\\";\\n }\\n case '.': {\\n auto select = Select(expr);\\n const std::string& name = select.selector().name();\\n // Special case for torch.Tensor and its' subclasses\\n const std::unordered_set<std::string> tensor_subtypes = {\\n \\\"Tensor\\\",\\n \\\"LongTensor\\\",\\n \\\"FloatTensor\\\",\\n \\\"DoubleTensor\\\",\\n \\\"IntTensor\\\",\\n \\\"ShortTensor\\\",\\n \\\"HalfTensor\\\",\\n \\\"CharTensor\\\",\\n \\\"ByteTensor\\\",\\n \\\"BoolTensor\\\"};\\n if (isTorch(select.value()) && tensor_subtypes.count(name) == 1) {\\n return name;\\n } else {\\n // Otherwise, it's a fully qualified class name\\n return collectQualname(select);\\n }\\n } break;\\n }\\n return at::nullopt;\\n}\",\n \"TypePtr ScriptTypeParser::parseTypeFromExpr(const Expr& expr) const {\\n // the resolver needs to recursively resolve the expression, so to avoid\\n // resolving all type expr subtrees we only use it for the top level\\n // expression and base type names.\\n if (resolver_) {\\n if (auto typePtr =\\n resolver_->resolveType(expr.range().text().str(), expr.range())) {\\n return typePtr;\\n }\\n }\\n return parseTypeFromExprImpl(expr);\\n}\",\n \"TypePtr ScriptTypeParser::parseTypeFromExprImpl(const Expr& expr) const {\\n if (expr.kind() == TK_SUBSCRIPT) {\\n auto subscript = Subscript(expr);\\n auto value_name = parseBaseTypeName(subscript.value());\\n if (!value_name) {\\n throw ErrorReport(subscript.value().range())\\n << \\\"Subscripted type must be a type identifier\\\";\\n }\\n return subscriptToType(*value_name, subscript);\",\n \" } else if (expr.kind() == TK_STRINGLITERAL) {\\n const auto& type_name = StringLiteral(expr).text();\",\n \" // Check if the type is a custom class. This is done by checking\\n // if type_name starts with \\\"torch.classes.\\\"\\n if (type_name.find(\\\"torch.classes.\\\") == 0) {\\n auto custom_class_type = getCustomClass(\\\"__torch__.\\\" + type_name);\\n return custom_class_type;\\n }\",\n \" // `torch.cuda.Stream` and `torch.cuda.Event` are aliased as\\n // custom classes of type torch.classes.cuda.Stream and\\n // torch.classes.cuda.Event respectively. Return the respective\\n // custom class types for these two cases.\\n if (type_name.find(\\\"torch.cuda.Stream\\\") == 0) {\\n auto custom_class_type =\\n getCustomClass(\\\"__torch__.torch.classes.cuda.Stream\\\");\\n return custom_class_type;\\n }\",\n \" if (type_name.find(\\\"torch.cuda.Event\\\") == 0) {\\n auto custom_class_type =\\n getCustomClass(\\\"__torch__.torch.classes.cuda.Event\\\");\\n return custom_class_type;\\n }\",\n \" if (resolver_) {\\n if (auto typePtr = resolver_->resolveType(type_name, expr.range())) {\\n return typePtr;\\n }\\n }\",\n \" throw ErrorReport(expr) << \\\"Unknown type name '\\\" << type_name << \\\"'\\\";\\n } else if (auto name = parseBaseTypeName(expr)) {\\n auto itr = string_to_type_lut().find(*name);\\n if (itr != string_to_type_lut().end()) {\\n return itr->second;\\n }\\n if (resolver_) {\\n if (auto typePtr = resolver_->resolveType(*name, expr.range())) {\\n return typePtr;\\n }\\n }\",\n \" if (auto custom_class_type = getCustomClass(*name)) {\\n return custom_class_type;\\n }\",\n \" throw ErrorReport(expr) << \\\"Unknown type name '\\\" << *name << \\\"'\\\";\\n }\\n throw ErrorReport(expr.range())\\n << \\\"Expression of type \\\" << kindToString(expr.kind())\\n << \\\" cannot be used in a type expression\\\";\\n}\",\n \"TypePtr ScriptTypeParser::parseType(const std::string& str) {\\n Parser p(std::make_shared<Source>(str));\\n return parseTypeFromExpr(p.parseExp());\\n}\",\n \"std::vector<IValue> ScriptTypeParser::evaluateDefaults(\\n const SourceRange& r,\\n const std::vector<Expr>& default_types,\\n const std::vector<Expr>& default_exprs) {\\n std::vector<IValue> default_values;\\n if (default_exprs.empty())\\n return default_values;\\n // To evaluate the default expressions, we create a graph with no inputs,\\n // and whose returns are the default values we need.\\n // We then run constant prop on this graph and check the results are\\n // constant. This approach avoids having to have separate handling of\\n // default arguments from standard expressions by piecing together existing\",\n \" // machinery for graph generation, constant propagation, and constant\",\n \" // extraction.\\n auto tuple_type = Subscript::create(\\n r,\\n Var::create(r, Ident::create(r, \\\"Tuple\\\")),\\n List<Expr>::create(r, default_types));\\n auto blank_decl = Decl::create(\\n r, List<Param>::create(r, {}), Maybe<Expr>::create(r, tuple_type));\",\n \" auto tuple_expr =\\n TupleLiteral::create(r, List<Expr>::create(r, default_exprs));\\n auto ret = Return::create(r, tuple_expr);\\n auto def = Def::create(\\n r,\\n Ident::create(r, \\\"defaults\\\"),\\n blank_decl,\\n List<Stmt>::create(r, {ret}));\",\n \" CompilationUnit cu;\\n cu.define(\\n c10::nullopt,\\n /*properties=*/{},\\n /*propResolvers=*/{},\\n {def},\\n {resolver_},\\n nullptr);\\n Stack stack;\\n // XXX: We need to turn optimization off here because otherwise we try to\\n // recursively initialize stuff in DecomposeOps.\\n GraphOptimizerEnabledGuard guard(false);\\n cu.get_function(def.name().name()).run(stack);\\n return stack.at(0).toTupleRef().elements().vec();\\n}\",\n \"std::vector<Argument> ScriptTypeParser::parseArgsFromDecl(\\n const Decl& decl,\\n bool skip_self) {\\n auto params_begin = decl.params().begin();\\n auto params_end = decl.params().end();\\n if (skip_self) {\\n ++params_begin;\\n }\\n std::vector<Argument> retval;\",\n \" std::vector<Expr> default_types;\\n std::vector<Expr> default_exprs;\\n // gather any non-empty default arguments\\n for (auto it = params_begin; it != params_end; ++it) {\\n auto param = *it;\\n auto def = param.defaultValue();\\n if (def.present()) {\\n if (!param.type().present()) {\\n // We require explicit type-hints for default expressions.\\n // If param doesn't have a type, we could default to \\\"Tensor\\\",\\n // just like what happens in the Python frontend.\\n // However here things are a bit more complicated, because\\n // default expressions are evaluated using a custom-built\\n // graph, and error messages coming out of that in case\\n // the type doesn't match the value are quite obscure.\\n throw ErrorReport(param.range())\\n << \\\"Keyword arguments with defaults need to be type-hinted (TorchScript C++ frontend)\\\";\\n }\\n default_types.emplace_back(param.type().get());\\n default_exprs.emplace_back(def.get());\\n }\\n }\",\n \" auto default_values =\\n evaluateDefaults(decl.range(), default_types, default_exprs);\",\n \" auto defaults_it = default_values.begin();\\n for (auto it = params_begin; it != params_end; ++it) {\\n auto decl_arg = *it;\",\n \" TypePtr type;\\n c10::optional<int32_t> N = c10::nullopt;\\n if (!decl_arg.type().present()) {\\n // If this param doesn't have a type, default to \\\"tensor\\\"\\n type = TensorType::getInferred();\\n } else {\\n // BroadcastList list can only appear at the argument level\\n Expr type_expr = decl_arg.type().get();\\n if (auto maybe_broad_list = parseBroadcastList(type_expr)) {\\n type = maybe_broad_list->first;\\n N = maybe_broad_list->second;\\n } else {\\n type = parseTypeFromExpr(decl_arg.type().get());\\n }\\n }\\n c10::optional<IValue> default_value = c10::nullopt;\\n if (decl_arg.defaultValue().present()) {\\n default_value = *defaults_it++;\\n }\\n auto arg = Argument(\\n decl_arg.ident().name(),\\n type,\\n N,\\n default_value,\\n decl_arg.kwarg_only(),\\n /*alias_info=*/c10::nullopt);\\n retval.push_back(arg);\\n }\\n return retval;\\n}\",\n \"std::vector<Argument> ScriptTypeParser::parseReturnFromDecl(const Decl& decl) {\\n // we represent no annoation on a return type as having no values in the\\n // schema's return() list\\n // in emitReturn we take the actual return value to be the value of the\\n // return statement if no one was provided here\\n if (!decl.return_type().present())\\n return {};\",\n \" if (parseBroadcastList(decl.return_type().get()))\\n throw ErrorReport(decl.return_type().range())\\n << \\\"Broadcastable lists cannot appear as a return type\\\";\",\n \" TypePtr parsed_type;\\n Expr type_expr = decl.return_type().get();\\n parsed_type = parseTypeFromExpr(type_expr);\\n return {Argument(\\n \\\"\\\",\\n parsed_type,\\n /*N =*/c10::nullopt,\\n /*default_value =*/c10::nullopt,\\n /*kwarg_only =*/false)};\\n}\\nFunctionSchema ScriptTypeParser::parseSchemaFromDef(\\n const Def& def,\\n bool skip_self) {\\n const auto name = def.name().name();\\n std::vector<Argument> args = parseArgsFromDecl(def.decl(), skip_self);\\n std::vector<Argument> returns = parseReturnFromDecl(def.decl());\\n return FunctionSchema(\\n name, \\\"\\\", std::move(args), std::move(returns), false, false);\\n}\",\n \"c10::IValue ScriptTypeParser::parseClassConstant(const Assign& assign) {\\n if (assign.lhs().kind() != TK_VAR) {\\n throw ErrorReport(assign.range())\\n << \\\"Expected to a variable for class constant\\\";\\n }\\n const auto final_type = assign.type().get();\\n auto expr = assign.rhs().get();\\n if (final_type.kind() != TK_SUBSCRIPT) {\\n throw ErrorReport(assign.range())\\n << \\\"Expected subscripted type for class constant\\\";\\n }\\n auto subscript = Subscript(final_type);\\n auto value_name = parseBaseTypeName(subscript.value());\\n if (!value_name) {\\n throw ErrorReport(subscript.value().range())\\n << \\\"Subscripted type must be a type identifier\\\";\\n }\\n if (*value_name != \\\"Final\\\") {\\n throw ErrorReport(subscript.range())\\n << \\\"Base type must be Final for class constant\\\";\\n }\\n if (subscript.subscript_exprs().size() != 1) {\\n throw ErrorReport(subscript)\\n << \\\" expected exactly one element type but found \\\"\\n << subscript.subscript_exprs().size();\\n }\\n auto type = *subscript.subscript_exprs().begin();\\n auto default_val = evaluateDefaults(expr.range(), {type}, {expr});\\n return *default_val.begin();\\n}\",\n \"} // namespace jit\\n} // namespace torch\"\n]","isConversational":false},"labels":{"kind":"list like","value":[1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1],"string":"[\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1\n]","isConversational":false},"source":{"kind":"string","value":"PreciseBugs"},"other_info":{"kind":"string","value":"{\"buggy_code_end_loc\": [3953, 320, 166], \"buggy_code_start_loc\": [3953, 319, 1], \"filenames\": [\"test/test_jit.py\", \"torch/csrc/jit/frontend/script_type_parser.cpp\", \"torch/jit/annotations.py\"], \"fixing_code_end_loc\": [3962, 320, 176], \"fixing_code_start_loc\": [3954, 319, 2], \"message\": \"In PyTorch before trunk/89695, torch.jit.annotations.parse_type_line can cause arbitrary code execution because eval is used unsafely.\", \"other\": {\"cve\": {\"cisaActionDue\": null, \"cisaExploitAdd\": null, \"cisaRequiredAction\": null, \"cisaVulnerabilityName\": null, \"configurations\": [{\"nodes\": [{\"cpeMatch\": [{\"criteria\": \"cpe:2.3:a:linuxfoundation:pytorch:*:*:*:*:*:python:*:*\", \"matchCriteriaId\": \"17B8827A-469E-484D-845F-8DA235DB1BBA\", \"versionEndExcluding\": \"1.13.1\", \"versionEndIncluding\": null, \"versionStartExcluding\": null, \"versionStartIncluding\": null, \"vulnerable\": true}], \"negate\": false, \"operator\": \"OR\"}], \"operator\": null}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"In PyTorch before trunk/89695, torch.jit.annotations.parse_type_line can cause arbitrary code execution because eval is used unsafely.\"}], \"evaluatorComment\": null, \"id\": \"CVE-2022-45907\", \"lastModified\": \"2023-04-26T17:39:13.317\", \"metrics\": {\"cvssMetricV2\": null, \"cvssMetricV30\": null, \"cvssMetricV31\": [{\"cvssData\": {\"attackComplexity\": \"LOW\", \"attackVector\": \"NETWORK\", \"availabilityImpact\": \"HIGH\", \"baseScore\": 9.8, \"baseSeverity\": \"CRITICAL\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"scope\": \"UNCHANGED\", \"userInteraction\": \"NONE\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\", \"version\": \"3.1\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 5.9, \"source\": \"nvd@nist.gov\", \"type\": \"Primary\"}]}, \"published\": \"2022-11-26T02:15:10.253\", \"references\": [{\"source\": \"cve@mitre.org\", \"tags\": [\"Patch\", \"Third Party Advisory\"], \"url\": \"https://github.com/pytorch/pytorch/commit/767f6aa49fe20a2766b9843d01e3b7f7793df6a3\"}, {\"source\": \"cve@mitre.org\", \"tags\": [\"Exploit\", \"Issue Tracking\", \"Patch\", \"Third Party Advisory\"], \"url\": \"https://github.com/pytorch/pytorch/issues/88868\"}], \"sourceIdentifier\": \"cve@mitre.org\", \"vendorComments\": null, \"vulnStatus\": \"Analyzed\", \"weaknesses\": [{\"description\": [{\"lang\": \"en\", \"value\": \"CWE-77\"}], \"source\": \"nvd@nist.gov\", \"type\": \"Primary\"}]}, \"github_commit_url\": \"https://github.com/pytorch/pytorch/commit/767f6aa49fe20a2766b9843d01e3b7f7793df6a3\"}, \"type\": \"CWE-77\"}"},"index":{"kind":"number","value":858,"string":"858"}}},{"rowIdx":5086,"cells":{"prompt":{"kind":"string","value":"Determine whether the {function_name} code is vulnerable or not."},"completions":{"kind":"list like","value":["import ast","","import enum\nimport inspect\nimport re\nimport builtins\nimport torch\nimport warnings\nfrom .._jit_internal import List, Tuple, is_tuple, is_list, Dict, is_dict, Optional, \\\n is_optional, _qualified_name, Any, Future, is_future, is_ignored_fn, Union, is_union\nfrom .._jit_internal import BroadcastingList1, BroadcastingList2, BroadcastingList3 # type: ignore[attr-defined]\nfrom ._state import _get_script_class","from torch._C import TensorType, TupleType, FloatType, IntType, ComplexType, \\\n ListType, StringType, DictType, BoolType, OptionalType, InterfaceType, AnyType, \\\n NoneType, DeviceObjType, StreamObjType, FutureType, EnumType, UnionType, NumberType","\nfrom textwrap import dedent\nfrom torch._sources import get_source_lines_and_file\nfrom typing import Type","if torch.distributed.rpc.is_available():\n from .._jit_internal import RRef, is_rref\n from torch._C import RRefType","from torch._ops import OpOverloadPacket","class Module(object):\n def __init__(self, name, members):\n self.name = name\n self.members = members"," def __getattr__(self, name):\n try:\n return self.members[name]\n except KeyError:\n raise RuntimeError(f\"Module {self.name} has no member called {name}\") from None","\nclass EvalEnv(object):\n env = {\n 'torch': Module('torch', {'Tensor': torch.Tensor}),\n 'Tensor': torch.Tensor,\n 'typing': Module('typing', {'Tuple': Tuple}),\n 'Tuple': Tuple,\n 'List': List,\n 'Dict': Dict,\n 'Optional': Optional,\n 'Union': Union,\n 'Future': Future\n }"," def __init__(self, rcb):\n self.rcb = rcb\n if torch.distributed.rpc.is_available():\n self.env['RRef'] = RRef"," def __getitem__(self, name):\n if name in self.env:\n return self.env[name]\n if self.rcb is not None:\n return self.rcb(name)\n return getattr(builtins, name, None)","def get_signature(fn, rcb, loc, is_method):\n if isinstance(fn, OpOverloadPacket):\n signature = try_real_annotations(fn.op, loc)\n else:\n signature = try_real_annotations(fn, loc)\n if signature is not None and is_method:\n # If this is a method, then the signature will include a type for\n # `self`, but type comments do not contain a `self`. So strip it\n # away here so everything is consistent (`inspect.ismethod` does\n # not work here since `fn` is unbound at this point)\n param_types, return_type = signature\n param_types = param_types[1:]\n signature = (param_types, return_type)"," if signature is None:\n type_line, source = None, None\n try:\n source = dedent(''.join(get_source_lines_and_file(fn)[0]))\n type_line = get_type_line(source)\n except TypeError:\n pass\n # This might happen both because we failed to get the source of fn, or\n # because it didn't have any annotations.\n if type_line is not None:\n signature = parse_type_line(type_line, rcb, loc)"," return signature","\ndef is_function_or_method(the_callable):\n # A stricter version of `inspect.isroutine` that does not pass for built-in\n # functions\n return inspect.isfunction(the_callable) or inspect.ismethod(the_callable)","\ndef is_vararg(the_callable):\n if not is_function_or_method(the_callable) and hasattr(the_callable, '__call__'): # noqa: B004\n # If `the_callable` is a class, de-sugar the call so we can still get\n # the signature\n the_callable = the_callable.__call__"," if is_function_or_method(the_callable):\n return inspect.getfullargspec(the_callable).varargs is not None\n else:\n return False","\ndef get_param_names(fn, n_args):\n if isinstance(fn, OpOverloadPacket):\n fn = fn.op"," if not is_function_or_method(fn) and hasattr(fn, '__call__') and is_function_or_method(fn.__call__): # noqa: B004\n # De-sugar calls to classes\n fn = fn.__call__"," if is_function_or_method(fn):\n if is_ignored_fn(fn):\n fn = inspect.unwrap(fn)\n return inspect.getfullargspec(fn).args\n else:\n # The `fn` was not a method or function (maybe a class with a __call__\n # method, so use a default param name list)\n return [str(i) for i in range(n_args)]","\ndef check_fn(fn, loc):\n # Make sure the function definition is not a class instantiation\n try:\n source = dedent(''.join(get_source_lines_and_file(fn)[0]))\n except (TypeError, IOError):\n return\n if source is None:\n return"," py_ast = ast.parse(source)\n if len(py_ast.body) == 1 and isinstance(py_ast.body[0], ast.ClassDef):\n raise torch.jit.frontend.FrontendError(\n loc, f\"Cannot instantiate class '{py_ast.body[0].name}' in a script function\")\n if len(py_ast.body) != 1 or not isinstance(py_ast.body[0], ast.FunctionDef):\n raise torch.jit.frontend.FrontendError(loc, \"Expected a single top-level function\")","","","def parse_type_line(type_line, rcb, loc):\n \"\"\"Parses a type annotation specified as a comment."," Example inputs:\n # type: (Tensor, torch.Tensor) -> Tuple[Tensor]\n # type: (Tensor, Tuple[Tensor, Tensor]) -> Tensor\n \"\"\"\n arg_ann_str, ret_ann_str = split_type_line(type_line)"," try:"," arg_ann = eval(arg_ann_str, {}, EvalEnv(rcb)) # type: ignore[arg-type] # noqa: P204"," except (NameError, SyntaxError) as e:\n raise RuntimeError(\"Failed to parse the argument list of a type annotation\") from e"," if not isinstance(arg_ann, tuple):\n arg_ann = (arg_ann,)"," try:"," ret_ann = eval(ret_ann_str, {}, EvalEnv(rcb)) # type: ignore[arg-type] # noqa: P204"," except (NameError, SyntaxError) as e:\n raise RuntimeError(\"Failed to parse the return type of a type annotation\") from e"," arg_types = [ann_to_type(ann, loc) for ann in arg_ann]\n return arg_types, ann_to_type(ret_ann, loc)","\ndef get_type_line(source):\n \"\"\"Tries to find the line containing a comment with the type annotation.\"\"\"\n type_comment = '# type:'"," lines = source.split('\\n')\n lines = [(line_num, line) for line_num, line in enumerate(lines)]\n type_lines = list(filter(lambda line: type_comment in line[1], lines))\n # `type: ignore` comments may be needed in JIT'ed functions for mypy, due\n # to the hack in torch/_VF.py."," # An ignore type comment can be of following format:\n # 1) type: ignore\n # 2) type: ignore[rule-code]\n # This ignore statement must be at the end of the line"," # adding an extra backslash before the space, to avoid triggering\n # one of the checks in .github/workflows/lint.yml\n type_pattern = re.compile(\"# type:\\\\ ignore(\\\\[[a-zA-Z-]+\\\\])?$\")\n type_lines = list(filter(lambda line: not type_pattern.search(line[1]),\n type_lines))"," if len(type_lines) == 0:\n # Catch common typo patterns like extra spaces, typo in 'ignore', etc.\n wrong_type_pattern = re.compile(\"#[\\t ]*type[\\t ]*(?!: ignore(\\\\[.*\\\\])?$):\")\n wrong_type_lines = list(filter(lambda line: wrong_type_pattern.search(line[1]), lines))\n if len(wrong_type_lines) > 0:\n raise RuntimeError(\"The annotation prefix in line \" + str(wrong_type_lines[0][0])\n + \" is probably invalid.\\nIt must be '# type:'\"\n + \"\\nSee PEP 484 (https://www.python.org/dev/peps/pep-0484/#suggested-syntax-for-python-2-7-and-straddling-code)\" # noqa: B950\n + \"\\nfor examples\")\n return None\n elif len(type_lines) == 1:\n # Only 1 type line, quit now\n return type_lines[0][1].strip()"," # Parse split up argument types according to PEP 484\n # https://www.python.org/dev/peps/pep-0484/#suggested-syntax-for-python-2-7-and-straddling-code\n return_line = None\n parameter_type_lines = []\n for line_num, line in type_lines:\n if '# type: (...) -> ' in line:\n return_line = (line_num, line)\n break\n elif type_comment in line:\n parameter_type_lines.append(line)\n if return_line is None:\n raise RuntimeError(\n \"Return type line '# type: (...) -> ...' not found on multiline \"\n \"type annotation\\nfor type lines:\\n\" +\n '\\n'.join([line[1] for line in type_lines]) +\n \"\\n(See PEP 484 https://www.python.org/dev/peps/pep-0484/#suggested-syntax-for-python-2-7-and-straddling-code)\")"," def get_parameter_type(line):\n item_type = line[line.find(type_comment) + len(type_comment):]\n return item_type.strip()"," types = map(get_parameter_type, parameter_type_lines)\n parameter_types = \", \".join(types)"," return return_line[1].replace(\"...\", parameter_types)","\ndef split_type_line(type_line):\n \"\"\"Splits the comment with the type annotation into parts for argument and return types."," For example, for an input of:\n # type: (Tensor, torch.Tensor) -> Tuple[Tensor, Tensor]"," This function will return:\n (\"(Tensor, torch.Tensor)\", \"Tuple[Tensor, Tensor]\")"," \"\"\"\n start_offset = len('# type:')\n try:\n arrow_pos = type_line.index('->')\n except ValueError:\n raise RuntimeError(\"Syntax error in type annotation (cound't find `->`)\") from None\n return type_line[start_offset:arrow_pos].strip(), type_line[arrow_pos + 2:].strip()","\ndef try_real_annotations(fn, loc):\n \"\"\"Tries to use the Py3.5+ annotation syntax to get the type.\"\"\"\n try:\n # Note: anything annotated as `Optional[T]` will automatically\n # be returned as `Union[T, None]` per\n # https://github.com/python/typing/blob/master/src/typing.py#L850\n sig = inspect.signature(fn)\n except ValueError:\n return None"," all_annots = [sig.return_annotation] + [p.annotation for p in sig.parameters.values()]\n if all(ann is sig.empty for ann in all_annots):\n return None"," arg_types = [ann_to_type(p.annotation, loc)\n for p in sig.parameters.values()]\n return_type = ann_to_type(sig.return_annotation, loc)\n return arg_types, return_type","\n# Finds common type for enum values belonging to an Enum class. If not all\n# values have the same type, AnyType is returned.\ndef get_enum_value_type(e: Type[enum.Enum], loc):\n enum_values: List[enum.Enum] = list(e)\n if not enum_values:\n raise ValueError(f\"No enum values defined for: '{e.__class__}'\")"," types = {type(v.value) for v in enum_values}\n ir_types = [try_ann_to_type(t, loc) for t in types]"," # If Enum values are of different types, an exception will be raised here.\n # Even though Python supports this case, we chose to not implement it to\n # avoid overcomplicate logic here for a rare use case. Please report a\n # feature request if you find it necessary.\n res = torch._C.unify_type_list(ir_types)\n if not res:\n return AnyType.get()\n return res","def is_tensor(ann):\n if issubclass(ann, torch.Tensor):\n return True"," if issubclass(ann, (torch.LongTensor, torch.DoubleTensor, torch.FloatTensor,\n torch.IntTensor, torch.ShortTensor, torch.HalfTensor,\n torch.CharTensor, torch.ByteTensor, torch.BoolTensor)):\n warnings.warn(\"TorchScript will treat type annotations of Tensor \"\n \"dtype-specific subtypes as if they are normal Tensors. \"\n \"dtype constraints are not enforced in compilation either.\")\n return True"," return False","","def try_ann_to_type(ann, loc):\n if ann is inspect.Signature.empty:\n return TensorType.getInferred()\n if ann is None:\n return NoneType.get()\n if inspect.isclass(ann) and is_tensor(ann):\n return TensorType.get()\n if is_tuple(ann):\n # Special case for the empty Tuple type annotation `Tuple[()]`\n if len(ann.__args__) == 1 and ann.__args__[0] == ():\n return TupleType([])\n return TupleType([try_ann_to_type(a, loc) for a in ann.__args__])\n if is_list(ann):\n elem_type = try_ann_to_type(ann.__args__[0], loc)\n if elem_type:\n return ListType(elem_type)\n if is_dict(ann):\n key = try_ann_to_type(ann.__args__[0], loc)\n value = try_ann_to_type(ann.__args__[1], loc)\n # Raise error if key or value is None\n if key is None:\n raise ValueError(f\"Unknown type annotation: '{ann.__args__[0]}' at {loc.highlight()}\")\n if value is None:\n raise ValueError(f\"Unknown type annotation: '{ann.__args__[1]}' at {loc.highlight()}\")\n return DictType(key, value)\n if is_optional(ann):\n if issubclass(ann.__args__[1], type(None)):\n contained = ann.__args__[0]\n else:\n contained = ann.__args__[1]\n valid_type = try_ann_to_type(contained, loc)\n msg = \"Unsupported annotation {} could not be resolved because {} could not be resolved.\"\n assert valid_type, msg.format(repr(ann), repr(contained))\n return OptionalType(valid_type)\n if is_union(ann):\n # TODO: this is hack to recognize NumberType\n if set(ann.__args__) == set([int, float, complex]):\n return NumberType.get()\n inner: List = []\n # We need these extra checks because both `None` and invalid\n # values will return `None`\n # TODO: Determine if the other cases need to be fixed as well\n for a in ann.__args__:\n if a is None:\n inner.append(NoneType.get())\n maybe_type = try_ann_to_type(a, loc)\n msg = \"Unsupported annotation {} could not be resolved because {} could not be resolved.\"\n assert maybe_type, msg.format(repr(ann), repr(maybe_type))\n inner.append(maybe_type)\n return UnionType(inner) # type: ignore[arg-type]\n if torch.distributed.rpc.is_available() and is_rref(ann):\n return RRefType(try_ann_to_type(ann.__args__[0], loc))\n if is_future(ann):\n return FutureType(try_ann_to_type(ann.__args__[0], loc))\n if ann is float:\n return FloatType.get()\n if ann is complex:\n return ComplexType.get()\n if ann is int:\n return IntType.get()\n if ann is str:\n return StringType.get()\n if ann is bool:\n return BoolType.get()\n if ann is Any:\n return AnyType.get()\n if ann is type(None):\n return NoneType.get()\n if inspect.isclass(ann) and hasattr(ann, \"__torch_script_interface__\"):\n return InterfaceType(ann.__torch_script_interface__)\n if ann is torch.device:\n return DeviceObjType.get()\n if ann is torch.Stream:\n return StreamObjType.get()\n if ann is torch.dtype:\n return IntType.get() # dtype not yet bound in as its own type\n if inspect.isclass(ann) and issubclass(ann, enum.Enum):\n if _get_script_class(ann) is None:\n scripted_class = torch.jit._script._recursive_compile_class(ann, loc)\n name = scripted_class.qualified_name()\n else:\n name = _qualified_name(ann)\n return EnumType(name, get_enum_value_type(ann, loc), list(ann))\n if inspect.isclass(ann):\n maybe_script_class = _get_script_class(ann)\n if maybe_script_class is not None:\n return maybe_script_class\n if torch._jit_internal.can_compile_class(ann):\n return torch.jit._script._recursive_compile_class(ann, loc)"," # Maybe resolve a NamedTuple to a Tuple Type\n def fake_rcb(key):\n return None\n return torch._C._resolve_type_from_object(ann, loc, fake_rcb)","\ndef ann_to_type(ann, loc):\n the_type = try_ann_to_type(ann, loc)\n if the_type is not None:\n return the_type\n raise ValueError(f\"Unknown type annotation: '{ann}' at {loc.highlight()}\")","\n__all__ = [\n 'Any',\n 'List',\n 'BroadcastingList1',\n 'BroadcastingList2',\n 'BroadcastingList3',\n 'Tuple',\n 'is_tuple',\n 'is_list',\n 'Dict',\n 'is_dict',\n 'is_optional',\n 'is_union',\n 'TensorType',\n 'TupleType',\n 'FloatType',\n 'ComplexType',\n 'IntType',\n 'ListType',\n 'StringType',\n 'DictType',\n 'AnyType',\n 'Module',\n # TODO: Consider not exporting these during wildcard import (reserve\n # that for the types; for idiomatic typing code.)\n 'get_signature',\n 'check_fn',\n 'get_param_names',\n 'parse_type_line',\n 'get_type_line',\n 'split_type_line',\n 'try_real_annotations',\n 'try_ann_to_type',\n 'ann_to_type',\n]"],"string":"[\n \"import ast\",\n \"\",\n \"import enum\\nimport inspect\\nimport re\\nimport builtins\\nimport torch\\nimport warnings\\nfrom .._jit_internal import List, Tuple, is_tuple, is_list, Dict, is_dict, Optional, \\\\\\n is_optional, _qualified_name, Any, Future, is_future, is_ignored_fn, Union, is_union\\nfrom .._jit_internal import BroadcastingList1, BroadcastingList2, BroadcastingList3 # type: ignore[attr-defined]\\nfrom ._state import _get_script_class\",\n \"from torch._C import TensorType, TupleType, FloatType, IntType, ComplexType, \\\\\\n ListType, StringType, DictType, BoolType, OptionalType, InterfaceType, AnyType, \\\\\\n NoneType, DeviceObjType, StreamObjType, FutureType, EnumType, UnionType, NumberType\",\n \"\\nfrom textwrap import dedent\\nfrom torch._sources import get_source_lines_and_file\\nfrom typing import Type\",\n \"if torch.distributed.rpc.is_available():\\n from .._jit_internal import RRef, is_rref\\n from torch._C import RRefType\",\n \"from torch._ops import OpOverloadPacket\",\n \"class Module(object):\\n def __init__(self, name, members):\\n self.name = name\\n self.members = members\",\n \" def __getattr__(self, name):\\n try:\\n return self.members[name]\\n except KeyError:\\n raise RuntimeError(f\\\"Module {self.name} has no member called {name}\\\") from None\",\n \"\\nclass EvalEnv(object):\\n env = {\\n 'torch': Module('torch', {'Tensor': torch.Tensor}),\\n 'Tensor': torch.Tensor,\\n 'typing': Module('typing', {'Tuple': Tuple}),\\n 'Tuple': Tuple,\\n 'List': List,\\n 'Dict': Dict,\\n 'Optional': Optional,\\n 'Union': Union,\\n 'Future': Future\\n }\",\n \" def __init__(self, rcb):\\n self.rcb = rcb\\n if torch.distributed.rpc.is_available():\\n self.env['RRef'] = RRef\",\n \" def __getitem__(self, name):\\n if name in self.env:\\n return self.env[name]\\n if self.rcb is not None:\\n return self.rcb(name)\\n return getattr(builtins, name, None)\",\n \"def get_signature(fn, rcb, loc, is_method):\\n if isinstance(fn, OpOverloadPacket):\\n signature = try_real_annotations(fn.op, loc)\\n else:\\n signature = try_real_annotations(fn, loc)\\n if signature is not None and is_method:\\n # If this is a method, then the signature will include a type for\\n # `self`, but type comments do not contain a `self`. So strip it\\n # away here so everything is consistent (`inspect.ismethod` does\\n # not work here since `fn` is unbound at this point)\\n param_types, return_type = signature\\n param_types = param_types[1:]\\n signature = (param_types, return_type)\",\n \" if signature is None:\\n type_line, source = None, None\\n try:\\n source = dedent(''.join(get_source_lines_and_file(fn)[0]))\\n type_line = get_type_line(source)\\n except TypeError:\\n pass\\n # This might happen both because we failed to get the source of fn, or\\n # because it didn't have any annotations.\\n if type_line is not None:\\n signature = parse_type_line(type_line, rcb, loc)\",\n \" return signature\",\n \"\\ndef is_function_or_method(the_callable):\\n # A stricter version of `inspect.isroutine` that does not pass for built-in\\n # functions\\n return inspect.isfunction(the_callable) or inspect.ismethod(the_callable)\",\n \"\\ndef is_vararg(the_callable):\\n if not is_function_or_method(the_callable) and hasattr(the_callable, '__call__'): # noqa: B004\\n # If `the_callable` is a class, de-sugar the call so we can still get\\n # the signature\\n the_callable = the_callable.__call__\",\n \" if is_function_or_method(the_callable):\\n return inspect.getfullargspec(the_callable).varargs is not None\\n else:\\n return False\",\n \"\\ndef get_param_names(fn, n_args):\\n if isinstance(fn, OpOverloadPacket):\\n fn = fn.op\",\n \" if not is_function_or_method(fn) and hasattr(fn, '__call__') and is_function_or_method(fn.__call__): # noqa: B004\\n # De-sugar calls to classes\\n fn = fn.__call__\",\n \" if is_function_or_method(fn):\\n if is_ignored_fn(fn):\\n fn = inspect.unwrap(fn)\\n return inspect.getfullargspec(fn).args\\n else:\\n # The `fn` was not a method or function (maybe a class with a __call__\\n # method, so use a default param name list)\\n return [str(i) for i in range(n_args)]\",\n \"\\ndef check_fn(fn, loc):\\n # Make sure the function definition is not a class instantiation\\n try:\\n source = dedent(''.join(get_source_lines_and_file(fn)[0]))\\n except (TypeError, IOError):\\n return\\n if source is None:\\n return\",\n \" py_ast = ast.parse(source)\\n if len(py_ast.body) == 1 and isinstance(py_ast.body[0], ast.ClassDef):\\n raise torch.jit.frontend.FrontendError(\\n loc, f\\\"Cannot instantiate class '{py_ast.body[0].name}' in a script function\\\")\\n if len(py_ast.body) != 1 or not isinstance(py_ast.body[0], ast.FunctionDef):\\n raise torch.jit.frontend.FrontendError(loc, \\\"Expected a single top-level function\\\")\",\n \"\",\n \"\",\n \"def parse_type_line(type_line, rcb, loc):\\n \\\"\\\"\\\"Parses a type annotation specified as a comment.\",\n \" Example inputs:\\n # type: (Tensor, torch.Tensor) -> Tuple[Tensor]\\n # type: (Tensor, Tuple[Tensor, Tensor]) -> Tensor\\n \\\"\\\"\\\"\\n arg_ann_str, ret_ann_str = split_type_line(type_line)\",\n \" try:\",\n \" arg_ann = eval(arg_ann_str, {}, EvalEnv(rcb)) # type: ignore[arg-type] # noqa: P204\",\n \" except (NameError, SyntaxError) as e:\\n raise RuntimeError(\\\"Failed to parse the argument list of a type annotation\\\") from e\",\n \" if not isinstance(arg_ann, tuple):\\n arg_ann = (arg_ann,)\",\n \" try:\",\n \" ret_ann = eval(ret_ann_str, {}, EvalEnv(rcb)) # type: ignore[arg-type] # noqa: P204\",\n \" except (NameError, SyntaxError) as e:\\n raise RuntimeError(\\\"Failed to parse the return type of a type annotation\\\") from e\",\n \" arg_types = [ann_to_type(ann, loc) for ann in arg_ann]\\n return arg_types, ann_to_type(ret_ann, loc)\",\n \"\\ndef get_type_line(source):\\n \\\"\\\"\\\"Tries to find the line containing a comment with the type annotation.\\\"\\\"\\\"\\n type_comment = '# type:'\",\n \" lines = source.split('\\\\n')\\n lines = [(line_num, line) for line_num, line in enumerate(lines)]\\n type_lines = list(filter(lambda line: type_comment in line[1], lines))\\n # `type: ignore` comments may be needed in JIT'ed functions for mypy, due\\n # to the hack in torch/_VF.py.\",\n \" # An ignore type comment can be of following format:\\n # 1) type: ignore\\n # 2) type: ignore[rule-code]\\n # This ignore statement must be at the end of the line\",\n \" # adding an extra backslash before the space, to avoid triggering\\n # one of the checks in .github/workflows/lint.yml\\n type_pattern = re.compile(\\\"# type:\\\\\\\\ ignore(\\\\\\\\[[a-zA-Z-]+\\\\\\\\])?$\\\")\\n type_lines = list(filter(lambda line: not type_pattern.search(line[1]),\\n type_lines))\",\n \" if len(type_lines) == 0:\\n # Catch common typo patterns like extra spaces, typo in 'ignore', etc.\\n wrong_type_pattern = re.compile(\\\"#[\\\\t ]*type[\\\\t ]*(?!: ignore(\\\\\\\\[.*\\\\\\\\])?$):\\\")\\n wrong_type_lines = list(filter(lambda line: wrong_type_pattern.search(line[1]), lines))\\n if len(wrong_type_lines) > 0:\\n raise RuntimeError(\\\"The annotation prefix in line \\\" + str(wrong_type_lines[0][0])\\n + \\\" is probably invalid.\\\\nIt must be '# type:'\\\"\\n + \\\"\\\\nSee PEP 484 (https://www.python.org/dev/peps/pep-0484/#suggested-syntax-for-python-2-7-and-straddling-code)\\\" # noqa: B950\\n + \\\"\\\\nfor examples\\\")\\n return None\\n elif len(type_lines) == 1:\\n # Only 1 type line, quit now\\n return type_lines[0][1].strip()\",\n \" # Parse split up argument types according to PEP 484\\n # https://www.python.org/dev/peps/pep-0484/#suggested-syntax-for-python-2-7-and-straddling-code\\n return_line = None\\n parameter_type_lines = []\\n for line_num, line in type_lines:\\n if '# type: (...) -> ' in line:\\n return_line = (line_num, line)\\n break\\n elif type_comment in line:\\n parameter_type_lines.append(line)\\n if return_line is None:\\n raise RuntimeError(\\n \\\"Return type line '# type: (...) -> ...' not found on multiline \\\"\\n \\\"type annotation\\\\nfor type lines:\\\\n\\\" +\\n '\\\\n'.join([line[1] for line in type_lines]) +\\n \\\"\\\\n(See PEP 484 https://www.python.org/dev/peps/pep-0484/#suggested-syntax-for-python-2-7-and-straddling-code)\\\")\",\n \" def get_parameter_type(line):\\n item_type = line[line.find(type_comment) + len(type_comment):]\\n return item_type.strip()\",\n \" types = map(get_parameter_type, parameter_type_lines)\\n parameter_types = \\\", \\\".join(types)\",\n \" return return_line[1].replace(\\\"...\\\", parameter_types)\",\n \"\\ndef split_type_line(type_line):\\n \\\"\\\"\\\"Splits the comment with the type annotation into parts for argument and return types.\",\n \" For example, for an input of:\\n # type: (Tensor, torch.Tensor) -> Tuple[Tensor, Tensor]\",\n \" This function will return:\\n (\\\"(Tensor, torch.Tensor)\\\", \\\"Tuple[Tensor, Tensor]\\\")\",\n \" \\\"\\\"\\\"\\n start_offset = len('# type:')\\n try:\\n arrow_pos = type_line.index('->')\\n except ValueError:\\n raise RuntimeError(\\\"Syntax error in type annotation (cound't find `->`)\\\") from None\\n return type_line[start_offset:arrow_pos].strip(), type_line[arrow_pos + 2:].strip()\",\n \"\\ndef try_real_annotations(fn, loc):\\n \\\"\\\"\\\"Tries to use the Py3.5+ annotation syntax to get the type.\\\"\\\"\\\"\\n try:\\n # Note: anything annotated as `Optional[T]` will automatically\\n # be returned as `Union[T, None]` per\\n # https://github.com/python/typing/blob/master/src/typing.py#L850\\n sig = inspect.signature(fn)\\n except ValueError:\\n return None\",\n \" all_annots = [sig.return_annotation] + [p.annotation for p in sig.parameters.values()]\\n if all(ann is sig.empty for ann in all_annots):\\n return None\",\n \" arg_types = [ann_to_type(p.annotation, loc)\\n for p in sig.parameters.values()]\\n return_type = ann_to_type(sig.return_annotation, loc)\\n return arg_types, return_type\",\n \"\\n# Finds common type for enum values belonging to an Enum class. If not all\\n# values have the same type, AnyType is returned.\\ndef get_enum_value_type(e: Type[enum.Enum], loc):\\n enum_values: List[enum.Enum] = list(e)\\n if not enum_values:\\n raise ValueError(f\\\"No enum values defined for: '{e.__class__}'\\\")\",\n \" types = {type(v.value) for v in enum_values}\\n ir_types = [try_ann_to_type(t, loc) for t in types]\",\n \" # If Enum values are of different types, an exception will be raised here.\\n # Even though Python supports this case, we chose to not implement it to\\n # avoid overcomplicate logic here for a rare use case. Please report a\\n # feature request if you find it necessary.\\n res = torch._C.unify_type_list(ir_types)\\n if not res:\\n return AnyType.get()\\n return res\",\n \"def is_tensor(ann):\\n if issubclass(ann, torch.Tensor):\\n return True\",\n \" if issubclass(ann, (torch.LongTensor, torch.DoubleTensor, torch.FloatTensor,\\n torch.IntTensor, torch.ShortTensor, torch.HalfTensor,\\n torch.CharTensor, torch.ByteTensor, torch.BoolTensor)):\\n warnings.warn(\\\"TorchScript will treat type annotations of Tensor \\\"\\n \\\"dtype-specific subtypes as if they are normal Tensors. \\\"\\n \\\"dtype constraints are not enforced in compilation either.\\\")\\n return True\",\n \" return False\",\n \"\",\n \"def try_ann_to_type(ann, loc):\\n if ann is inspect.Signature.empty:\\n return TensorType.getInferred()\\n if ann is None:\\n return NoneType.get()\\n if inspect.isclass(ann) and is_tensor(ann):\\n return TensorType.get()\\n if is_tuple(ann):\\n # Special case for the empty Tuple type annotation `Tuple[()]`\\n if len(ann.__args__) == 1 and ann.__args__[0] == ():\\n return TupleType([])\\n return TupleType([try_ann_to_type(a, loc) for a in ann.__args__])\\n if is_list(ann):\\n elem_type = try_ann_to_type(ann.__args__[0], loc)\\n if elem_type:\\n return ListType(elem_type)\\n if is_dict(ann):\\n key = try_ann_to_type(ann.__args__[0], loc)\\n value = try_ann_to_type(ann.__args__[1], loc)\\n # Raise error if key or value is None\\n if key is None:\\n raise ValueError(f\\\"Unknown type annotation: '{ann.__args__[0]}' at {loc.highlight()}\\\")\\n if value is None:\\n raise ValueError(f\\\"Unknown type annotation: '{ann.__args__[1]}' at {loc.highlight()}\\\")\\n return DictType(key, value)\\n if is_optional(ann):\\n if issubclass(ann.__args__[1], type(None)):\\n contained = ann.__args__[0]\\n else:\\n contained = ann.__args__[1]\\n valid_type = try_ann_to_type(contained, loc)\\n msg = \\\"Unsupported annotation {} could not be resolved because {} could not be resolved.\\\"\\n assert valid_type, msg.format(repr(ann), repr(contained))\\n return OptionalType(valid_type)\\n if is_union(ann):\\n # TODO: this is hack to recognize NumberType\\n if set(ann.__args__) == set([int, float, complex]):\\n return NumberType.get()\\n inner: List = []\\n # We need these extra checks because both `None` and invalid\\n # values will return `None`\\n # TODO: Determine if the other cases need to be fixed as well\\n for a in ann.__args__:\\n if a is None:\\n inner.append(NoneType.get())\\n maybe_type = try_ann_to_type(a, loc)\\n msg = \\\"Unsupported annotation {} could not be resolved because {} could not be resolved.\\\"\\n assert maybe_type, msg.format(repr(ann), repr(maybe_type))\\n inner.append(maybe_type)\\n return UnionType(inner) # type: ignore[arg-type]\\n if torch.distributed.rpc.is_available() and is_rref(ann):\\n return RRefType(try_ann_to_type(ann.__args__[0], loc))\\n if is_future(ann):\\n return FutureType(try_ann_to_type(ann.__args__[0], loc))\\n if ann is float:\\n return FloatType.get()\\n if ann is complex:\\n return ComplexType.get()\\n if ann is int:\\n return IntType.get()\\n if ann is str:\\n return StringType.get()\\n if ann is bool:\\n return BoolType.get()\\n if ann is Any:\\n return AnyType.get()\\n if ann is type(None):\\n return NoneType.get()\\n if inspect.isclass(ann) and hasattr(ann, \\\"__torch_script_interface__\\\"):\\n return InterfaceType(ann.__torch_script_interface__)\\n if ann is torch.device:\\n return DeviceObjType.get()\\n if ann is torch.Stream:\\n return StreamObjType.get()\\n if ann is torch.dtype:\\n return IntType.get() # dtype not yet bound in as its own type\\n if inspect.isclass(ann) and issubclass(ann, enum.Enum):\\n if _get_script_class(ann) is None:\\n scripted_class = torch.jit._script._recursive_compile_class(ann, loc)\\n name = scripted_class.qualified_name()\\n else:\\n name = _qualified_name(ann)\\n return EnumType(name, get_enum_value_type(ann, loc), list(ann))\\n if inspect.isclass(ann):\\n maybe_script_class = _get_script_class(ann)\\n if maybe_script_class is not None:\\n return maybe_script_class\\n if torch._jit_internal.can_compile_class(ann):\\n return torch.jit._script._recursive_compile_class(ann, loc)\",\n \" # Maybe resolve a NamedTuple to a Tuple Type\\n def fake_rcb(key):\\n return None\\n return torch._C._resolve_type_from_object(ann, loc, fake_rcb)\",\n \"\\ndef ann_to_type(ann, loc):\\n the_type = try_ann_to_type(ann, loc)\\n if the_type is not None:\\n return the_type\\n raise ValueError(f\\\"Unknown type annotation: '{ann}' at {loc.highlight()}\\\")\",\n \"\\n__all__ = [\\n 'Any',\\n 'List',\\n 'BroadcastingList1',\\n 'BroadcastingList2',\\n 'BroadcastingList3',\\n 'Tuple',\\n 'is_tuple',\\n 'is_list',\\n 'Dict',\\n 'is_dict',\\n 'is_optional',\\n 'is_union',\\n 'TensorType',\\n 'TupleType',\\n 'FloatType',\\n 'ComplexType',\\n 'IntType',\\n 'ListType',\\n 'StringType',\\n 'DictType',\\n 'AnyType',\\n 'Module',\\n # TODO: Consider not exporting these during wildcard import (reserve\\n # that for the types; for idiomatic typing code.)\\n 'get_signature',\\n 'check_fn',\\n 'get_param_names',\\n 'parse_type_line',\\n 'get_type_line',\\n 'split_type_line',\\n 'try_real_annotations',\\n 'try_ann_to_type',\\n 'ann_to_type',\\n]\"\n]","isConversational":false},"labels":{"kind":"list like","value":[1,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1],"string":"[\n 1,\n 0,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 0,\n 1,\n 1,\n 1,\n 0,\n 1,\n 1,\n 1,\n 0,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1\n]","isConversational":false},"source":{"kind":"string","value":"PreciseBugs"},"other_info":{"kind":"string","value":"{\"buggy_code_end_loc\": [3953, 320, 166], \"buggy_code_start_loc\": [3953, 319, 1], \"filenames\": [\"test/test_jit.py\", \"torch/csrc/jit/frontend/script_type_parser.cpp\", \"torch/jit/annotations.py\"], \"fixing_code_end_loc\": [3962, 320, 176], \"fixing_code_start_loc\": [3954, 319, 2], \"message\": \"In PyTorch before trunk/89695, torch.jit.annotations.parse_type_line can cause arbitrary code execution because eval is used unsafely.\", \"other\": {\"cve\": {\"cisaActionDue\": null, \"cisaExploitAdd\": null, \"cisaRequiredAction\": null, \"cisaVulnerabilityName\": null, \"configurations\": [{\"nodes\": [{\"cpeMatch\": [{\"criteria\": \"cpe:2.3:a:linuxfoundation:pytorch:*:*:*:*:*:python:*:*\", \"matchCriteriaId\": \"17B8827A-469E-484D-845F-8DA235DB1BBA\", \"versionEndExcluding\": \"1.13.1\", \"versionEndIncluding\": null, \"versionStartExcluding\": null, \"versionStartIncluding\": null, \"vulnerable\": true}], \"negate\": false, \"operator\": \"OR\"}], \"operator\": null}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"In PyTorch before trunk/89695, torch.jit.annotations.parse_type_line can cause arbitrary code execution because eval is used unsafely.\"}], \"evaluatorComment\": null, \"id\": \"CVE-2022-45907\", \"lastModified\": \"2023-04-26T17:39:13.317\", \"metrics\": {\"cvssMetricV2\": null, \"cvssMetricV30\": null, \"cvssMetricV31\": [{\"cvssData\": {\"attackComplexity\": \"LOW\", \"attackVector\": \"NETWORK\", \"availabilityImpact\": \"HIGH\", \"baseScore\": 9.8, \"baseSeverity\": \"CRITICAL\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"scope\": \"UNCHANGED\", \"userInteraction\": \"NONE\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\", \"version\": \"3.1\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 5.9, \"source\": \"nvd@nist.gov\", \"type\": \"Primary\"}]}, \"published\": \"2022-11-26T02:15:10.253\", \"references\": [{\"source\": \"cve@mitre.org\", \"tags\": [\"Patch\", \"Third Party Advisory\"], \"url\": \"https://github.com/pytorch/pytorch/commit/767f6aa49fe20a2766b9843d01e3b7f7793df6a3\"}, {\"source\": \"cve@mitre.org\", \"tags\": [\"Exploit\", \"Issue Tracking\", \"Patch\", \"Third Party Advisory\"], \"url\": \"https://github.com/pytorch/pytorch/issues/88868\"}], \"sourceIdentifier\": \"cve@mitre.org\", \"vendorComments\": null, \"vulnStatus\": \"Analyzed\", \"weaknesses\": [{\"description\": [{\"lang\": \"en\", \"value\": \"CWE-77\"}], \"source\": \"nvd@nist.gov\", \"type\": \"Primary\"}]}, \"github_commit_url\": \"https://github.com/pytorch/pytorch/commit/767f6aa49fe20a2766b9843d01e3b7f7793df6a3\"}, \"type\": \"CWE-77\"}"},"index":{"kind":"number","value":858,"string":"858"}}},{"rowIdx":5087,"cells":{"prompt":{"kind":"string","value":"Determine whether the {function_name} code is vulnerable or not."},"completions":{"kind":"list like","value":["import ast","import dis","import enum\nimport inspect\nimport re\nimport builtins\nimport torch\nimport warnings\nfrom .._jit_internal import List, Tuple, is_tuple, is_list, Dict, is_dict, Optional, \\\n is_optional, _qualified_name, Any, Future, is_future, is_ignored_fn, Union, is_union\nfrom .._jit_internal import BroadcastingList1, BroadcastingList2, BroadcastingList3 # type: ignore[attr-defined]\nfrom ._state import _get_script_class","from torch._C import TensorType, TupleType, FloatType, IntType, ComplexType, \\\n ListType, StringType, DictType, BoolType, OptionalType, InterfaceType, AnyType, \\\n NoneType, DeviceObjType, StreamObjType, FutureType, EnumType, UnionType, NumberType","\nfrom textwrap import dedent\nfrom torch._sources import get_source_lines_and_file\nfrom typing import Type","if torch.distributed.rpc.is_available():\n from .._jit_internal import RRef, is_rref\n from torch._C import RRefType","from torch._ops import OpOverloadPacket","class Module(object):\n def __init__(self, name, members):\n self.name = name\n self.members = members"," def __getattr__(self, name):\n try:\n return self.members[name]\n except KeyError:\n raise RuntimeError(f\"Module {self.name} has no member called {name}\") from None","\nclass EvalEnv(object):\n env = {\n 'torch': Module('torch', {'Tensor': torch.Tensor}),\n 'Tensor': torch.Tensor,\n 'typing': Module('typing', {'Tuple': Tuple}),\n 'Tuple': Tuple,\n 'List': List,\n 'Dict': Dict,\n 'Optional': Optional,\n 'Union': Union,\n 'Future': Future\n }"," def __init__(self, rcb):\n self.rcb = rcb\n if torch.distributed.rpc.is_available():\n self.env['RRef'] = RRef"," def __getitem__(self, name):\n if name in self.env:\n return self.env[name]\n if self.rcb is not None:\n return self.rcb(name)\n return getattr(builtins, name, None)","def get_signature(fn, rcb, loc, is_method):\n if isinstance(fn, OpOverloadPacket):\n signature = try_real_annotations(fn.op, loc)\n else:\n signature = try_real_annotations(fn, loc)\n if signature is not None and is_method:\n # If this is a method, then the signature will include a type for\n # `self`, but type comments do not contain a `self`. So strip it\n # away here so everything is consistent (`inspect.ismethod` does\n # not work here since `fn` is unbound at this point)\n param_types, return_type = signature\n param_types = param_types[1:]\n signature = (param_types, return_type)"," if signature is None:\n type_line, source = None, None\n try:\n source = dedent(''.join(get_source_lines_and_file(fn)[0]))\n type_line = get_type_line(source)\n except TypeError:\n pass\n # This might happen both because we failed to get the source of fn, or\n # because it didn't have any annotations.\n if type_line is not None:\n signature = parse_type_line(type_line, rcb, loc)"," return signature","\ndef is_function_or_method(the_callable):\n # A stricter version of `inspect.isroutine` that does not pass for built-in\n # functions\n return inspect.isfunction(the_callable) or inspect.ismethod(the_callable)","\ndef is_vararg(the_callable):\n if not is_function_or_method(the_callable) and hasattr(the_callable, '__call__'): # noqa: B004\n # If `the_callable` is a class, de-sugar the call so we can still get\n # the signature\n the_callable = the_callable.__call__"," if is_function_or_method(the_callable):\n return inspect.getfullargspec(the_callable).varargs is not None\n else:\n return False","\ndef get_param_names(fn, n_args):\n if isinstance(fn, OpOverloadPacket):\n fn = fn.op"," if not is_function_or_method(fn) and hasattr(fn, '__call__') and is_function_or_method(fn.__call__): # noqa: B004\n # De-sugar calls to classes\n fn = fn.__call__"," if is_function_or_method(fn):\n if is_ignored_fn(fn):\n fn = inspect.unwrap(fn)\n return inspect.getfullargspec(fn).args\n else:\n # The `fn` was not a method or function (maybe a class with a __call__\n # method, so use a default param name list)\n return [str(i) for i in range(n_args)]","\ndef check_fn(fn, loc):\n # Make sure the function definition is not a class instantiation\n try:\n source = dedent(''.join(get_source_lines_and_file(fn)[0]))\n except (TypeError, IOError):\n return\n if source is None:\n return"," py_ast = ast.parse(source)\n if len(py_ast.body) == 1 and isinstance(py_ast.body[0], ast.ClassDef):\n raise torch.jit.frontend.FrontendError(\n loc, f\"Cannot instantiate class '{py_ast.body[0].name}' in a script function\")\n if len(py_ast.body) != 1 or not isinstance(py_ast.body[0], ast.FunctionDef):\n raise torch.jit.frontend.FrontendError(loc, \"Expected a single top-level function\")","","def _eval_no_call(stmt, glob, loc):\n \"\"\"Evaluate statement as long as it does not contain any method/function calls\"\"\"\n bytecode = compile(stmt, \"\", mode=\"eval\")\n for insn in dis.get_instructions(bytecode):\n if \"CALL\" in insn.opname:\n raise RuntimeError(f\"Type annotation should not contain calls, but '{stmt}' does\")\n return eval(bytecode, glob, loc) # type: ignore[arg-type] # noqa: P204","","def parse_type_line(type_line, rcb, loc):\n \"\"\"Parses a type annotation specified as a comment."," Example inputs:\n # type: (Tensor, torch.Tensor) -> Tuple[Tensor]\n # type: (Tensor, Tuple[Tensor, Tensor]) -> Tensor\n \"\"\"\n arg_ann_str, ret_ann_str = split_type_line(type_line)"," try:"," arg_ann = _eval_no_call(arg_ann_str, {}, EvalEnv(rcb))"," except (NameError, SyntaxError) as e:\n raise RuntimeError(\"Failed to parse the argument list of a type annotation\") from e"," if not isinstance(arg_ann, tuple):\n arg_ann = (arg_ann,)"," try:"," ret_ann = _eval_no_call(ret_ann_str, {}, EvalEnv(rcb))"," except (NameError, SyntaxError) as e:\n raise RuntimeError(\"Failed to parse the return type of a type annotation\") from e"," arg_types = [ann_to_type(ann, loc) for ann in arg_ann]\n return arg_types, ann_to_type(ret_ann, loc)","\ndef get_type_line(source):\n \"\"\"Tries to find the line containing a comment with the type annotation.\"\"\"\n type_comment = '# type:'"," lines = source.split('\\n')\n lines = [(line_num, line) for line_num, line in enumerate(lines)]\n type_lines = list(filter(lambda line: type_comment in line[1], lines))\n # `type: ignore` comments may be needed in JIT'ed functions for mypy, due\n # to the hack in torch/_VF.py."," # An ignore type comment can be of following format:\n # 1) type: ignore\n # 2) type: ignore[rule-code]\n # This ignore statement must be at the end of the line"," # adding an extra backslash before the space, to avoid triggering\n # one of the checks in .github/workflows/lint.yml\n type_pattern = re.compile(\"# type:\\\\ ignore(\\\\[[a-zA-Z-]+\\\\])?$\")\n type_lines = list(filter(lambda line: not type_pattern.search(line[1]),\n type_lines))"," if len(type_lines) == 0:\n # Catch common typo patterns like extra spaces, typo in 'ignore', etc.\n wrong_type_pattern = re.compile(\"#[\\t ]*type[\\t ]*(?!: ignore(\\\\[.*\\\\])?$):\")\n wrong_type_lines = list(filter(lambda line: wrong_type_pattern.search(line[1]), lines))\n if len(wrong_type_lines) > 0:\n raise RuntimeError(\"The annotation prefix in line \" + str(wrong_type_lines[0][0])\n + \" is probably invalid.\\nIt must be '# type:'\"\n + \"\\nSee PEP 484 (https://www.python.org/dev/peps/pep-0484/#suggested-syntax-for-python-2-7-and-straddling-code)\" # noqa: B950\n + \"\\nfor examples\")\n return None\n elif len(type_lines) == 1:\n # Only 1 type line, quit now\n return type_lines[0][1].strip()"," # Parse split up argument types according to PEP 484\n # https://www.python.org/dev/peps/pep-0484/#suggested-syntax-for-python-2-7-and-straddling-code\n return_line = None\n parameter_type_lines = []\n for line_num, line in type_lines:\n if '# type: (...) -> ' in line:\n return_line = (line_num, line)\n break\n elif type_comment in line:\n parameter_type_lines.append(line)\n if return_line is None:\n raise RuntimeError(\n \"Return type line '# type: (...) -> ...' not found on multiline \"\n \"type annotation\\nfor type lines:\\n\" +\n '\\n'.join([line[1] for line in type_lines]) +\n \"\\n(See PEP 484 https://www.python.org/dev/peps/pep-0484/#suggested-syntax-for-python-2-7-and-straddling-code)\")"," def get_parameter_type(line):\n item_type = line[line.find(type_comment) + len(type_comment):]\n return item_type.strip()"," types = map(get_parameter_type, parameter_type_lines)\n parameter_types = \", \".join(types)"," return return_line[1].replace(\"...\", parameter_types)","\ndef split_type_line(type_line):\n \"\"\"Splits the comment with the type annotation into parts for argument and return types."," For example, for an input of:\n # type: (Tensor, torch.Tensor) -> Tuple[Tensor, Tensor]"," This function will return:\n (\"(Tensor, torch.Tensor)\", \"Tuple[Tensor, Tensor]\")"," \"\"\"\n start_offset = len('# type:')\n try:\n arrow_pos = type_line.index('->')\n except ValueError:\n raise RuntimeError(\"Syntax error in type annotation (cound't find `->`)\") from None\n return type_line[start_offset:arrow_pos].strip(), type_line[arrow_pos + 2:].strip()","\ndef try_real_annotations(fn, loc):\n \"\"\"Tries to use the Py3.5+ annotation syntax to get the type.\"\"\"\n try:\n # Note: anything annotated as `Optional[T]` will automatically\n # be returned as `Union[T, None]` per\n # https://github.com/python/typing/blob/master/src/typing.py#L850\n sig = inspect.signature(fn)\n except ValueError:\n return None"," all_annots = [sig.return_annotation] + [p.annotation for p in sig.parameters.values()]\n if all(ann is sig.empty for ann in all_annots):\n return None"," arg_types = [ann_to_type(p.annotation, loc)\n for p in sig.parameters.values()]\n return_type = ann_to_type(sig.return_annotation, loc)\n return arg_types, return_type","\n# Finds common type for enum values belonging to an Enum class. If not all\n# values have the same type, AnyType is returned.\ndef get_enum_value_type(e: Type[enum.Enum], loc):\n enum_values: List[enum.Enum] = list(e)\n if not enum_values:\n raise ValueError(f\"No enum values defined for: '{e.__class__}'\")"," types = {type(v.value) for v in enum_values}\n ir_types = [try_ann_to_type(t, loc) for t in types]"," # If Enum values are of different types, an exception will be raised here.\n # Even though Python supports this case, we chose to not implement it to\n # avoid overcomplicate logic here for a rare use case. Please report a\n # feature request if you find it necessary.\n res = torch._C.unify_type_list(ir_types)\n if not res:\n return AnyType.get()\n return res","def is_tensor(ann):\n if issubclass(ann, torch.Tensor):\n return True"," if issubclass(ann, (torch.LongTensor, torch.DoubleTensor, torch.FloatTensor,\n torch.IntTensor, torch.ShortTensor, torch.HalfTensor,\n torch.CharTensor, torch.ByteTensor, torch.BoolTensor)):\n warnings.warn(\"TorchScript will treat type annotations of Tensor \"\n \"dtype-specific subtypes as if they are normal Tensors. \"\n \"dtype constraints are not enforced in compilation either.\")\n return True"," return False","","def try_ann_to_type(ann, loc):\n if ann is inspect.Signature.empty:\n return TensorType.getInferred()\n if ann is None:\n return NoneType.get()\n if inspect.isclass(ann) and is_tensor(ann):\n return TensorType.get()\n if is_tuple(ann):\n # Special case for the empty Tuple type annotation `Tuple[()]`\n if len(ann.__args__) == 1 and ann.__args__[0] == ():\n return TupleType([])\n return TupleType([try_ann_to_type(a, loc) for a in ann.__args__])\n if is_list(ann):\n elem_type = try_ann_to_type(ann.__args__[0], loc)\n if elem_type:\n return ListType(elem_type)\n if is_dict(ann):\n key = try_ann_to_type(ann.__args__[0], loc)\n value = try_ann_to_type(ann.__args__[1], loc)\n # Raise error if key or value is None\n if key is None:\n raise ValueError(f\"Unknown type annotation: '{ann.__args__[0]}' at {loc.highlight()}\")\n if value is None:\n raise ValueError(f\"Unknown type annotation: '{ann.__args__[1]}' at {loc.highlight()}\")\n return DictType(key, value)\n if is_optional(ann):\n if issubclass(ann.__args__[1], type(None)):\n contained = ann.__args__[0]\n else:\n contained = ann.__args__[1]\n valid_type = try_ann_to_type(contained, loc)\n msg = \"Unsupported annotation {} could not be resolved because {} could not be resolved.\"\n assert valid_type, msg.format(repr(ann), repr(contained))\n return OptionalType(valid_type)\n if is_union(ann):\n # TODO: this is hack to recognize NumberType\n if set(ann.__args__) == set([int, float, complex]):\n return NumberType.get()\n inner: List = []\n # We need these extra checks because both `None` and invalid\n # values will return `None`\n # TODO: Determine if the other cases need to be fixed as well\n for a in ann.__args__:\n if a is None:\n inner.append(NoneType.get())\n maybe_type = try_ann_to_type(a, loc)\n msg = \"Unsupported annotation {} could not be resolved because {} could not be resolved.\"\n assert maybe_type, msg.format(repr(ann), repr(maybe_type))\n inner.append(maybe_type)\n return UnionType(inner) # type: ignore[arg-type]\n if torch.distributed.rpc.is_available() and is_rref(ann):\n return RRefType(try_ann_to_type(ann.__args__[0], loc))\n if is_future(ann):\n return FutureType(try_ann_to_type(ann.__args__[0], loc))\n if ann is float:\n return FloatType.get()\n if ann is complex:\n return ComplexType.get()\n if ann is int:\n return IntType.get()\n if ann is str:\n return StringType.get()\n if ann is bool:\n return BoolType.get()\n if ann is Any:\n return AnyType.get()\n if ann is type(None):\n return NoneType.get()\n if inspect.isclass(ann) and hasattr(ann, \"__torch_script_interface__\"):\n return InterfaceType(ann.__torch_script_interface__)\n if ann is torch.device:\n return DeviceObjType.get()\n if ann is torch.Stream:\n return StreamObjType.get()\n if ann is torch.dtype:\n return IntType.get() # dtype not yet bound in as its own type\n if inspect.isclass(ann) and issubclass(ann, enum.Enum):\n if _get_script_class(ann) is None:\n scripted_class = torch.jit._script._recursive_compile_class(ann, loc)\n name = scripted_class.qualified_name()\n else:\n name = _qualified_name(ann)\n return EnumType(name, get_enum_value_type(ann, loc), list(ann))\n if inspect.isclass(ann):\n maybe_script_class = _get_script_class(ann)\n if maybe_script_class is not None:\n return maybe_script_class\n if torch._jit_internal.can_compile_class(ann):\n return torch.jit._script._recursive_compile_class(ann, loc)"," # Maybe resolve a NamedTuple to a Tuple Type\n def fake_rcb(key):\n return None\n return torch._C._resolve_type_from_object(ann, loc, fake_rcb)","\ndef ann_to_type(ann, loc):\n the_type = try_ann_to_type(ann, loc)\n if the_type is not None:\n return the_type\n raise ValueError(f\"Unknown type annotation: '{ann}' at {loc.highlight()}\")","\n__all__ = [\n 'Any',\n 'List',\n 'BroadcastingList1',\n 'BroadcastingList2',\n 'BroadcastingList3',\n 'Tuple',\n 'is_tuple',\n 'is_list',\n 'Dict',\n 'is_dict',\n 'is_optional',\n 'is_union',\n 'TensorType',\n 'TupleType',\n 'FloatType',\n 'ComplexType',\n 'IntType',\n 'ListType',\n 'StringType',\n 'DictType',\n 'AnyType',\n 'Module',\n # TODO: Consider not exporting these during wildcard import (reserve\n # that for the types; for idiomatic typing code.)\n 'get_signature',\n 'check_fn',\n 'get_param_names',\n 'parse_type_line',\n 'get_type_line',\n 'split_type_line',\n 'try_real_annotations',\n 'try_ann_to_type',\n 'ann_to_type',\n]"],"string":"[\n \"import ast\",\n \"import dis\",\n \"import enum\\nimport inspect\\nimport re\\nimport builtins\\nimport torch\\nimport warnings\\nfrom .._jit_internal import List, Tuple, is_tuple, is_list, Dict, is_dict, Optional, \\\\\\n is_optional, _qualified_name, Any, Future, is_future, is_ignored_fn, Union, is_union\\nfrom .._jit_internal import BroadcastingList1, BroadcastingList2, BroadcastingList3 # type: ignore[attr-defined]\\nfrom ._state import _get_script_class\",\n \"from torch._C import TensorType, TupleType, FloatType, IntType, ComplexType, \\\\\\n ListType, StringType, DictType, BoolType, OptionalType, InterfaceType, AnyType, \\\\\\n NoneType, DeviceObjType, StreamObjType, FutureType, EnumType, UnionType, NumberType\",\n \"\\nfrom textwrap import dedent\\nfrom torch._sources import get_source_lines_and_file\\nfrom typing import Type\",\n \"if torch.distributed.rpc.is_available():\\n from .._jit_internal import RRef, is_rref\\n from torch._C import RRefType\",\n \"from torch._ops import OpOverloadPacket\",\n \"class Module(object):\\n def __init__(self, name, members):\\n self.name = name\\n self.members = members\",\n \" def __getattr__(self, name):\\n try:\\n return self.members[name]\\n except KeyError:\\n raise RuntimeError(f\\\"Module {self.name} has no member called {name}\\\") from None\",\n \"\\nclass EvalEnv(object):\\n env = {\\n 'torch': Module('torch', {'Tensor': torch.Tensor}),\\n 'Tensor': torch.Tensor,\\n 'typing': Module('typing', {'Tuple': Tuple}),\\n 'Tuple': Tuple,\\n 'List': List,\\n 'Dict': Dict,\\n 'Optional': Optional,\\n 'Union': Union,\\n 'Future': Future\\n }\",\n \" def __init__(self, rcb):\\n self.rcb = rcb\\n if torch.distributed.rpc.is_available():\\n self.env['RRef'] = RRef\",\n \" def __getitem__(self, name):\\n if name in self.env:\\n return self.env[name]\\n if self.rcb is not None:\\n return self.rcb(name)\\n return getattr(builtins, name, None)\",\n \"def get_signature(fn, rcb, loc, is_method):\\n if isinstance(fn, OpOverloadPacket):\\n signature = try_real_annotations(fn.op, loc)\\n else:\\n signature = try_real_annotations(fn, loc)\\n if signature is not None and is_method:\\n # If this is a method, then the signature will include a type for\\n # `self`, but type comments do not contain a `self`. So strip it\\n # away here so everything is consistent (`inspect.ismethod` does\\n # not work here since `fn` is unbound at this point)\\n param_types, return_type = signature\\n param_types = param_types[1:]\\n signature = (param_types, return_type)\",\n \" if signature is None:\\n type_line, source = None, None\\n try:\\n source = dedent(''.join(get_source_lines_and_file(fn)[0]))\\n type_line = get_type_line(source)\\n except TypeError:\\n pass\\n # This might happen both because we failed to get the source of fn, or\\n # because it didn't have any annotations.\\n if type_line is not None:\\n signature = parse_type_line(type_line, rcb, loc)\",\n \" return signature\",\n \"\\ndef is_function_or_method(the_callable):\\n # A stricter version of `inspect.isroutine` that does not pass for built-in\\n # functions\\n return inspect.isfunction(the_callable) or inspect.ismethod(the_callable)\",\n \"\\ndef is_vararg(the_callable):\\n if not is_function_or_method(the_callable) and hasattr(the_callable, '__call__'): # noqa: B004\\n # If `the_callable` is a class, de-sugar the call so we can still get\\n # the signature\\n the_callable = the_callable.__call__\",\n \" if is_function_or_method(the_callable):\\n return inspect.getfullargspec(the_callable).varargs is not None\\n else:\\n return False\",\n \"\\ndef get_param_names(fn, n_args):\\n if isinstance(fn, OpOverloadPacket):\\n fn = fn.op\",\n \" if not is_function_or_method(fn) and hasattr(fn, '__call__') and is_function_or_method(fn.__call__): # noqa: B004\\n # De-sugar calls to classes\\n fn = fn.__call__\",\n \" if is_function_or_method(fn):\\n if is_ignored_fn(fn):\\n fn = inspect.unwrap(fn)\\n return inspect.getfullargspec(fn).args\\n else:\\n # The `fn` was not a method or function (maybe a class with a __call__\\n # method, so use a default param name list)\\n return [str(i) for i in range(n_args)]\",\n \"\\ndef check_fn(fn, loc):\\n # Make sure the function definition is not a class instantiation\\n try:\\n source = dedent(''.join(get_source_lines_and_file(fn)[0]))\\n except (TypeError, IOError):\\n return\\n if source is None:\\n return\",\n \" py_ast = ast.parse(source)\\n if len(py_ast.body) == 1 and isinstance(py_ast.body[0], ast.ClassDef):\\n raise torch.jit.frontend.FrontendError(\\n loc, f\\\"Cannot instantiate class '{py_ast.body[0].name}' in a script function\\\")\\n if len(py_ast.body) != 1 or not isinstance(py_ast.body[0], ast.FunctionDef):\\n raise torch.jit.frontend.FrontendError(loc, \\\"Expected a single top-level function\\\")\",\n \"\",\n \"def _eval_no_call(stmt, glob, loc):\\n \\\"\\\"\\\"Evaluate statement as long as it does not contain any method/function calls\\\"\\\"\\\"\\n bytecode = compile(stmt, \\\"\\\", mode=\\\"eval\\\")\\n for insn in dis.get_instructions(bytecode):\\n if \\\"CALL\\\" in insn.opname:\\n raise RuntimeError(f\\\"Type annotation should not contain calls, but '{stmt}' does\\\")\\n return eval(bytecode, glob, loc) # type: ignore[arg-type] # noqa: P204\",\n \"\",\n \"def parse_type_line(type_line, rcb, loc):\\n \\\"\\\"\\\"Parses a type annotation specified as a comment.\",\n \" Example inputs:\\n # type: (Tensor, torch.Tensor) -> Tuple[Tensor]\\n # type: (Tensor, Tuple[Tensor, Tensor]) -> Tensor\\n \\\"\\\"\\\"\\n arg_ann_str, ret_ann_str = split_type_line(type_line)\",\n \" try:\",\n \" arg_ann = _eval_no_call(arg_ann_str, {}, EvalEnv(rcb))\",\n \" except (NameError, SyntaxError) as e:\\n raise RuntimeError(\\\"Failed to parse the argument list of a type annotation\\\") from e\",\n \" if not isinstance(arg_ann, tuple):\\n arg_ann = (arg_ann,)\",\n \" try:\",\n \" ret_ann = _eval_no_call(ret_ann_str, {}, EvalEnv(rcb))\",\n \" except (NameError, SyntaxError) as e:\\n raise RuntimeError(\\\"Failed to parse the return type of a type annotation\\\") from e\",\n \" arg_types = [ann_to_type(ann, loc) for ann in arg_ann]\\n return arg_types, ann_to_type(ret_ann, loc)\",\n \"\\ndef get_type_line(source):\\n \\\"\\\"\\\"Tries to find the line containing a comment with the type annotation.\\\"\\\"\\\"\\n type_comment = '# type:'\",\n \" lines = source.split('\\\\n')\\n lines = [(line_num, line) for line_num, line in enumerate(lines)]\\n type_lines = list(filter(lambda line: type_comment in line[1], lines))\\n # `type: ignore` comments may be needed in JIT'ed functions for mypy, due\\n # to the hack in torch/_VF.py.\",\n \" # An ignore type comment can be of following format:\\n # 1) type: ignore\\n # 2) type: ignore[rule-code]\\n # This ignore statement must be at the end of the line\",\n \" # adding an extra backslash before the space, to avoid triggering\\n # one of the checks in .github/workflows/lint.yml\\n type_pattern = re.compile(\\\"# type:\\\\\\\\ ignore(\\\\\\\\[[a-zA-Z-]+\\\\\\\\])?$\\\")\\n type_lines = list(filter(lambda line: not type_pattern.search(line[1]),\\n type_lines))\",\n \" if len(type_lines) == 0:\\n # Catch common typo patterns like extra spaces, typo in 'ignore', etc.\\n wrong_type_pattern = re.compile(\\\"#[\\\\t ]*type[\\\\t ]*(?!: ignore(\\\\\\\\[.*\\\\\\\\])?$):\\\")\\n wrong_type_lines = list(filter(lambda line: wrong_type_pattern.search(line[1]), lines))\\n if len(wrong_type_lines) > 0:\\n raise RuntimeError(\\\"The annotation prefix in line \\\" + str(wrong_type_lines[0][0])\\n + \\\" is probably invalid.\\\\nIt must be '# type:'\\\"\\n + \\\"\\\\nSee PEP 484 (https://www.python.org/dev/peps/pep-0484/#suggested-syntax-for-python-2-7-and-straddling-code)\\\" # noqa: B950\\n + \\\"\\\\nfor examples\\\")\\n return None\\n elif len(type_lines) == 1:\\n # Only 1 type line, quit now\\n return type_lines[0][1].strip()\",\n \" # Parse split up argument types according to PEP 484\\n # https://www.python.org/dev/peps/pep-0484/#suggested-syntax-for-python-2-7-and-straddling-code\\n return_line = None\\n parameter_type_lines = []\\n for line_num, line in type_lines:\\n if '# type: (...) -> ' in line:\\n return_line = (line_num, line)\\n break\\n elif type_comment in line:\\n parameter_type_lines.append(line)\\n if return_line is None:\\n raise RuntimeError(\\n \\\"Return type line '# type: (...) -> ...' not found on multiline \\\"\\n \\\"type annotation\\\\nfor type lines:\\\\n\\\" +\\n '\\\\n'.join([line[1] for line in type_lines]) +\\n \\\"\\\\n(See PEP 484 https://www.python.org/dev/peps/pep-0484/#suggested-syntax-for-python-2-7-and-straddling-code)\\\")\",\n \" def get_parameter_type(line):\\n item_type = line[line.find(type_comment) + len(type_comment):]\\n return item_type.strip()\",\n \" types = map(get_parameter_type, parameter_type_lines)\\n parameter_types = \\\", \\\".join(types)\",\n \" return return_line[1].replace(\\\"...\\\", parameter_types)\",\n \"\\ndef split_type_line(type_line):\\n \\\"\\\"\\\"Splits the comment with the type annotation into parts for argument and return types.\",\n \" For example, for an input of:\\n # type: (Tensor, torch.Tensor) -> Tuple[Tensor, Tensor]\",\n \" This function will return:\\n (\\\"(Tensor, torch.Tensor)\\\", \\\"Tuple[Tensor, Tensor]\\\")\",\n \" \\\"\\\"\\\"\\n start_offset = len('# type:')\\n try:\\n arrow_pos = type_line.index('->')\\n except ValueError:\\n raise RuntimeError(\\\"Syntax error in type annotation (cound't find `->`)\\\") from None\\n return type_line[start_offset:arrow_pos].strip(), type_line[arrow_pos + 2:].strip()\",\n \"\\ndef try_real_annotations(fn, loc):\\n \\\"\\\"\\\"Tries to use the Py3.5+ annotation syntax to get the type.\\\"\\\"\\\"\\n try:\\n # Note: anything annotated as `Optional[T]` will automatically\\n # be returned as `Union[T, None]` per\\n # https://github.com/python/typing/blob/master/src/typing.py#L850\\n sig = inspect.signature(fn)\\n except ValueError:\\n return None\",\n \" all_annots = [sig.return_annotation] + [p.annotation for p in sig.parameters.values()]\\n if all(ann is sig.empty for ann in all_annots):\\n return None\",\n \" arg_types = [ann_to_type(p.annotation, loc)\\n for p in sig.parameters.values()]\\n return_type = ann_to_type(sig.return_annotation, loc)\\n return arg_types, return_type\",\n \"\\n# Finds common type for enum values belonging to an Enum class. If not all\\n# values have the same type, AnyType is returned.\\ndef get_enum_value_type(e: Type[enum.Enum], loc):\\n enum_values: List[enum.Enum] = list(e)\\n if not enum_values:\\n raise ValueError(f\\\"No enum values defined for: '{e.__class__}'\\\")\",\n \" types = {type(v.value) for v in enum_values}\\n ir_types = [try_ann_to_type(t, loc) for t in types]\",\n \" # If Enum values are of different types, an exception will be raised here.\\n # Even though Python supports this case, we chose to not implement it to\\n # avoid overcomplicate logic here for a rare use case. Please report a\\n # feature request if you find it necessary.\\n res = torch._C.unify_type_list(ir_types)\\n if not res:\\n return AnyType.get()\\n return res\",\n \"def is_tensor(ann):\\n if issubclass(ann, torch.Tensor):\\n return True\",\n \" if issubclass(ann, (torch.LongTensor, torch.DoubleTensor, torch.FloatTensor,\\n torch.IntTensor, torch.ShortTensor, torch.HalfTensor,\\n torch.CharTensor, torch.ByteTensor, torch.BoolTensor)):\\n warnings.warn(\\\"TorchScript will treat type annotations of Tensor \\\"\\n \\\"dtype-specific subtypes as if they are normal Tensors. \\\"\\n \\\"dtype constraints are not enforced in compilation either.\\\")\\n return True\",\n \" return False\",\n \"\",\n \"def try_ann_to_type(ann, loc):\\n if ann is inspect.Signature.empty:\\n return TensorType.getInferred()\\n if ann is None:\\n return NoneType.get()\\n if inspect.isclass(ann) and is_tensor(ann):\\n return TensorType.get()\\n if is_tuple(ann):\\n # Special case for the empty Tuple type annotation `Tuple[()]`\\n if len(ann.__args__) == 1 and ann.__args__[0] == ():\\n return TupleType([])\\n return TupleType([try_ann_to_type(a, loc) for a in ann.__args__])\\n if is_list(ann):\\n elem_type = try_ann_to_type(ann.__args__[0], loc)\\n if elem_type:\\n return ListType(elem_type)\\n if is_dict(ann):\\n key = try_ann_to_type(ann.__args__[0], loc)\\n value = try_ann_to_type(ann.__args__[1], loc)\\n # Raise error if key or value is None\\n if key is None:\\n raise ValueError(f\\\"Unknown type annotation: '{ann.__args__[0]}' at {loc.highlight()}\\\")\\n if value is None:\\n raise ValueError(f\\\"Unknown type annotation: '{ann.__args__[1]}' at {loc.highlight()}\\\")\\n return DictType(key, value)\\n if is_optional(ann):\\n if issubclass(ann.__args__[1], type(None)):\\n contained = ann.__args__[0]\\n else:\\n contained = ann.__args__[1]\\n valid_type = try_ann_to_type(contained, loc)\\n msg = \\\"Unsupported annotation {} could not be resolved because {} could not be resolved.\\\"\\n assert valid_type, msg.format(repr(ann), repr(contained))\\n return OptionalType(valid_type)\\n if is_union(ann):\\n # TODO: this is hack to recognize NumberType\\n if set(ann.__args__) == set([int, float, complex]):\\n return NumberType.get()\\n inner: List = []\\n # We need these extra checks because both `None` and invalid\\n # values will return `None`\\n # TODO: Determine if the other cases need to be fixed as well\\n for a in ann.__args__:\\n if a is None:\\n inner.append(NoneType.get())\\n maybe_type = try_ann_to_type(a, loc)\\n msg = \\\"Unsupported annotation {} could not be resolved because {} could not be resolved.\\\"\\n assert maybe_type, msg.format(repr(ann), repr(maybe_type))\\n inner.append(maybe_type)\\n return UnionType(inner) # type: ignore[arg-type]\\n if torch.distributed.rpc.is_available() and is_rref(ann):\\n return RRefType(try_ann_to_type(ann.__args__[0], loc))\\n if is_future(ann):\\n return FutureType(try_ann_to_type(ann.__args__[0], loc))\\n if ann is float:\\n return FloatType.get()\\n if ann is complex:\\n return ComplexType.get()\\n if ann is int:\\n return IntType.get()\\n if ann is str:\\n return StringType.get()\\n if ann is bool:\\n return BoolType.get()\\n if ann is Any:\\n return AnyType.get()\\n if ann is type(None):\\n return NoneType.get()\\n if inspect.isclass(ann) and hasattr(ann, \\\"__torch_script_interface__\\\"):\\n return InterfaceType(ann.__torch_script_interface__)\\n if ann is torch.device:\\n return DeviceObjType.get()\\n if ann is torch.Stream:\\n return StreamObjType.get()\\n if ann is torch.dtype:\\n return IntType.get() # dtype not yet bound in as its own type\\n if inspect.isclass(ann) and issubclass(ann, enum.Enum):\\n if _get_script_class(ann) is None:\\n scripted_class = torch.jit._script._recursive_compile_class(ann, loc)\\n name = scripted_class.qualified_name()\\n else:\\n name = _qualified_name(ann)\\n return EnumType(name, get_enum_value_type(ann, loc), list(ann))\\n if inspect.isclass(ann):\\n maybe_script_class = _get_script_class(ann)\\n if maybe_script_class is not None:\\n return maybe_script_class\\n if torch._jit_internal.can_compile_class(ann):\\n return torch.jit._script._recursive_compile_class(ann, loc)\",\n \" # Maybe resolve a NamedTuple to a Tuple Type\\n def fake_rcb(key):\\n return None\\n return torch._C._resolve_type_from_object(ann, loc, fake_rcb)\",\n \"\\ndef ann_to_type(ann, loc):\\n the_type = try_ann_to_type(ann, loc)\\n if the_type is not None:\\n return the_type\\n raise ValueError(f\\\"Unknown type annotation: '{ann}' at {loc.highlight()}\\\")\",\n \"\\n__all__ = [\\n 'Any',\\n 'List',\\n 'BroadcastingList1',\\n 'BroadcastingList2',\\n 'BroadcastingList3',\\n 'Tuple',\\n 'is_tuple',\\n 'is_list',\\n 'Dict',\\n 'is_dict',\\n 'is_optional',\\n 'is_union',\\n 'TensorType',\\n 'TupleType',\\n 'FloatType',\\n 'ComplexType',\\n 'IntType',\\n 'ListType',\\n 'StringType',\\n 'DictType',\\n 'AnyType',\\n 'Module',\\n # TODO: Consider not exporting these during wildcard import (reserve\\n # that for the types; for idiomatic typing code.)\\n 'get_signature',\\n 'check_fn',\\n 'get_param_names',\\n 'parse_type_line',\\n 'get_type_line',\\n 'split_type_line',\\n 'try_real_annotations',\\n 'try_ann_to_type',\\n 'ann_to_type',\\n]\"\n]","isConversational":false},"labels":{"kind":"list like","value":[1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1],"string":"[\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1\n]","isConversational":false},"source":{"kind":"string","value":"PreciseBugs"},"other_info":{"kind":"string","value":"{\"buggy_code_end_loc\": [3953, 320, 166], \"buggy_code_start_loc\": [3953, 319, 1], \"filenames\": [\"test/test_jit.py\", \"torch/csrc/jit/frontend/script_type_parser.cpp\", \"torch/jit/annotations.py\"], \"fixing_code_end_loc\": [3962, 320, 176], \"fixing_code_start_loc\": [3954, 319, 2], \"message\": \"In PyTorch before trunk/89695, torch.jit.annotations.parse_type_line can cause arbitrary code execution because eval is used unsafely.\", \"other\": {\"cve\": {\"cisaActionDue\": null, \"cisaExploitAdd\": null, \"cisaRequiredAction\": null, \"cisaVulnerabilityName\": null, \"configurations\": [{\"nodes\": [{\"cpeMatch\": [{\"criteria\": \"cpe:2.3:a:linuxfoundation:pytorch:*:*:*:*:*:python:*:*\", \"matchCriteriaId\": \"17B8827A-469E-484D-845F-8DA235DB1BBA\", \"versionEndExcluding\": \"1.13.1\", \"versionEndIncluding\": null, \"versionStartExcluding\": null, \"versionStartIncluding\": null, \"vulnerable\": true}], \"negate\": false, \"operator\": \"OR\"}], \"operator\": null}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"In PyTorch before trunk/89695, torch.jit.annotations.parse_type_line can cause arbitrary code execution because eval is used unsafely.\"}], \"evaluatorComment\": null, \"id\": \"CVE-2022-45907\", \"lastModified\": \"2023-04-26T17:39:13.317\", \"metrics\": {\"cvssMetricV2\": null, \"cvssMetricV30\": null, \"cvssMetricV31\": [{\"cvssData\": {\"attackComplexity\": \"LOW\", \"attackVector\": \"NETWORK\", \"availabilityImpact\": \"HIGH\", \"baseScore\": 9.8, \"baseSeverity\": \"CRITICAL\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"scope\": \"UNCHANGED\", \"userInteraction\": \"NONE\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\", \"version\": \"3.1\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 5.9, \"source\": \"nvd@nist.gov\", \"type\": \"Primary\"}]}, \"published\": \"2022-11-26T02:15:10.253\", \"references\": [{\"source\": \"cve@mitre.org\", \"tags\": [\"Patch\", \"Third Party Advisory\"], \"url\": \"https://github.com/pytorch/pytorch/commit/767f6aa49fe20a2766b9843d01e3b7f7793df6a3\"}, {\"source\": \"cve@mitre.org\", \"tags\": [\"Exploit\", \"Issue Tracking\", \"Patch\", \"Third Party Advisory\"], \"url\": \"https://github.com/pytorch/pytorch/issues/88868\"}], \"sourceIdentifier\": \"cve@mitre.org\", \"vendorComments\": null, \"vulnStatus\": \"Analyzed\", \"weaknesses\": [{\"description\": [{\"lang\": \"en\", \"value\": \"CWE-77\"}], \"source\": \"nvd@nist.gov\", \"type\": \"Primary\"}]}, \"github_commit_url\": \"https://github.com/pytorch/pytorch/commit/767f6aa49fe20a2766b9843d01e3b7f7793df6a3\"}, \"type\": \"CWE-77\"}"},"index":{"kind":"number","value":858,"string":"858"}}},{"rowIdx":5088,"cells":{"prompt":{"kind":"string","value":"Determine whether the {function_name} code is vulnerable or not."},"completions":{"kind":"list like","value":["#ifndef _LINUX_MM_H\n#define _LINUX_MM_H","#include <linux/errno.h>","#ifdef __KERNEL__","#include <linux/gfp.h>\n#include <linux/bug.h>\n#include <linux/list.h>\n#include <linux/mmzone.h>\n#include <linux/rbtree.h>\n#include <linux/atomic.h>\n#include <linux/debug_locks.h>\n#include <linux/mm_types.h>\n#include <linux/range.h>\n#include <linux/pfn.h>\n#include <linux/bit_spinlock.h>\n#include <linux/shrinker.h>","struct mempolicy;\nstruct anon_vma;\nstruct anon_vma_chain;\nstruct file_ra_state;\nstruct user_struct;\nstruct writeback_control;","#ifndef CONFIG_DISCONTIGMEM /* Don't use mapnrs, do it properly */\nextern unsigned long max_mapnr;\n#endif","extern unsigned long num_physpages;\nextern unsigned long totalram_pages;\nextern void * high_memory;\nextern int page_cluster;","#ifdef CONFIG_SYSCTL\nextern int sysctl_legacy_va_layout;\n#else\n#define sysctl_legacy_va_layout 0\n#endif","#include <asm/page.h>\n#include <asm/pgtable.h>\n#include <asm/processor.h>","#define nth_page(page,n) pfn_to_page(page_to_pfn((page)) + (n))","/* to align the pointer to the (next) page boundary */\n#define PAGE_ALIGN(addr) ALIGN(addr, PAGE_SIZE)","/*\n * Linux kernel virtual memory manager primitives.\n * The idea being to have a \"virtual\" mm in the same way\n * we have a virtual fs - giving a cleaner interface to the\n * mm details, and allowing different kinds of memory mappings\n * (from shared memory to executable loading to arbitrary\n * mmap() functions).\n */","extern struct kmem_cache *vm_area_cachep;","#ifndef CONFIG_MMU\nextern struct rb_root nommu_region_tree;\nextern struct rw_semaphore nommu_region_sem;","extern unsigned int kobjsize(const void *objp);\n#endif","/*\n * vm_flags in vm_area_struct, see mm_types.h.\n */\n#define VM_NONE\t\t0x00000000","#define VM_READ\t\t0x00000001\t/* currently active flags */\n#define VM_WRITE\t0x00000002\n#define VM_EXEC\t\t0x00000004\n#define VM_SHARED\t0x00000008","/* mprotect() hardcodes VM_MAYREAD >> 4 == VM_READ, and so for r/w/x bits. */\n#define VM_MAYREAD\t0x00000010\t/* limits for mprotect() etc */\n#define VM_MAYWRITE\t0x00000020\n#define VM_MAYEXEC\t0x00000040\n#define VM_MAYSHARE\t0x00000080","#define VM_GROWSDOWN\t0x00000100\t/* general info on the segment */\n#define VM_PFNMAP\t0x00000400\t/* Page-ranges managed without \"struct page\", just pure PFN */\n#define VM_DENYWRITE\t0x00000800\t/* ETXTBSY on write attempts.. */","#define VM_LOCKED\t0x00002000\n#define VM_IO 0x00004000\t/* Memory mapped I/O or similar */","\t\t\t\t\t/* Used by sys_madvise() */\n#define VM_SEQ_READ\t0x00008000\t/* App will access data sequentially */\n#define VM_RAND_READ\t0x00010000\t/* App will not benefit from clustered reads */","#define VM_DONTCOPY\t0x00020000 /* Do not copy this vma on fork */\n#define VM_DONTEXPAND\t0x00040000\t/* Cannot expand with mremap() */\n#define VM_ACCOUNT\t0x00100000\t/* Is a VM accounted object */\n#define VM_NORESERVE\t0x00200000\t/* should the VM suppress accounting */\n#define VM_HUGETLB\t0x00400000\t/* Huge TLB Page VM */\n#define VM_NONLINEAR\t0x00800000\t/* Is non-linear (remap_file_pages) */\n#define VM_ARCH_1\t0x01000000\t/* Architecture-specific flag */\n#define VM_DONTDUMP\t0x04000000\t/* Do not include in the core dump */","#define VM_MIXEDMAP\t0x10000000\t/* Can contain \"struct page\" and pure PFN pages */\n#define VM_HUGEPAGE\t0x20000000\t/* MADV_HUGEPAGE marked this vma */\n#define VM_NOHUGEPAGE\t0x40000000\t/* MADV_NOHUGEPAGE marked this vma */\n#define VM_MERGEABLE\t0x80000000\t/* KSM may merge identical pages */","#if defined(CONFIG_X86)\n# define VM_PAT\t\tVM_ARCH_1\t/* PAT reserves whole VMA at once (x86) */\n#elif defined(CONFIG_PPC)\n# define VM_SAO\t\tVM_ARCH_1\t/* Strong Access Ordering (powerpc) */\n#elif defined(CONFIG_PARISC)\n# define VM_GROWSUP\tVM_ARCH_1\n#elif defined(CONFIG_METAG)\n# define VM_GROWSUP\tVM_ARCH_1\n#elif defined(CONFIG_IA64)\n# define VM_GROWSUP\tVM_ARCH_1\n#elif !defined(CONFIG_MMU)\n# define VM_MAPPED_COPY\tVM_ARCH_1\t/* T if mapped copy of data (nommu mmap) */\n#endif","#ifndef VM_GROWSUP\n# define VM_GROWSUP\tVM_NONE\n#endif","/* Bits set in the VMA until the stack is in its final location */\n#define VM_STACK_INCOMPLETE_SETUP\t(VM_RAND_READ | VM_SEQ_READ)","#ifndef VM_STACK_DEFAULT_FLAGS\t\t/* arch can override this */\n#define VM_STACK_DEFAULT_FLAGS VM_DATA_DEFAULT_FLAGS\n#endif","#ifdef CONFIG_STACK_GROWSUP\n#define VM_STACK_FLAGS\t(VM_GROWSUP | VM_STACK_DEFAULT_FLAGS | VM_ACCOUNT)\n#else\n#define VM_STACK_FLAGS\t(VM_GROWSDOWN | VM_STACK_DEFAULT_FLAGS | VM_ACCOUNT)\n#endif","#define VM_READHINTMASK\t\t\t(VM_SEQ_READ | VM_RAND_READ)\n#define VM_ClearReadHint(v)\t\t(v)->vm_flags &= ~VM_READHINTMASK\n#define VM_NormalReadHint(v)\t\t(!((v)->vm_flags & VM_READHINTMASK))\n#define VM_SequentialReadHint(v)\t((v)->vm_flags & VM_SEQ_READ)\n#define VM_RandomReadHint(v)\t\t((v)->vm_flags & VM_RAND_READ)","/*\n * Special vmas that are non-mergable, non-mlock()able.\n * Note: mm/huge_memory.c VM_NO_THP depends on this definition.\n */\n#define VM_SPECIAL (VM_IO | VM_DONTEXPAND | VM_PFNMAP)","/*\n * mapping from the currently active vm_flags protection bits (the\n * low four bits) to a page protection mask..\n */\nextern pgprot_t protection_map[16];","#define FAULT_FLAG_WRITE\t0x01\t/* Fault was a write access */\n#define FAULT_FLAG_NONLINEAR\t0x02\t/* Fault was via a nonlinear mapping */\n#define FAULT_FLAG_MKWRITE\t0x04\t/* Fault was mkwrite of existing pte */\n#define FAULT_FLAG_ALLOW_RETRY\t0x08\t/* Retry fault if blocking */\n#define FAULT_FLAG_RETRY_NOWAIT\t0x10\t/* Don't drop mmap_sem and wait when retrying */\n#define FAULT_FLAG_KILLABLE\t0x20\t/* The fault task is in SIGKILL killable region */\n#define FAULT_FLAG_TRIED\t0x40\t/* second try */","/*\n * vm_fault is filled by the the pagefault handler and passed to the vma's\n * ->fault function. The vma's ->fault is responsible for returning a bitmask\n * of VM_FAULT_xxx flags that give details about how the fault was handled.\n *\n * pgoff should be used in favour of virtual_address, if possible. If pgoff\n * is used, one may implement ->remap_pages to get nonlinear mapping support.\n */\nstruct vm_fault {\n\tunsigned int flags;\t\t/* FAULT_FLAG_xxx flags */\n\tpgoff_t pgoff;\t\t\t/* Logical page offset based on vma */\n\tvoid __user *virtual_address;\t/* Faulting virtual address */","\tstruct page *page;\t\t/* ->fault handlers should return a\n\t\t\t\t\t * page here, unless VM_FAULT_NOPAGE\n\t\t\t\t\t * is set (which is also implied by\n\t\t\t\t\t * VM_FAULT_ERROR).\n\t\t\t\t\t */\n};","/*\n * These are the virtual MM functions - opening of an area, closing and\n * unmapping it (needed to keep files on disk up-to-date etc), pointer\n * to the functions called when a no-page or a wp-page exception occurs. \n */\nstruct vm_operations_struct {\n\tvoid (*open)(struct vm_area_struct * area);\n\tvoid (*close)(struct vm_area_struct * area);\n\tint (*fault)(struct vm_area_struct *vma, struct vm_fault *vmf);","\t/* notification that a previously read-only page is about to become\n\t * writable, if an error is returned it will cause a SIGBUS */\n\tint (*page_mkwrite)(struct vm_area_struct *vma, struct vm_fault *vmf);","\t/* called by access_process_vm when get_user_pages() fails, typically\n\t * for use by special VMAs that can switch between memory and hardware\n\t */\n\tint (*access)(struct vm_area_struct *vma, unsigned long addr,\n\t\t void *buf, int len, int write);\n#ifdef CONFIG_NUMA\n\t/*\n\t * set_policy() op must add a reference to any non-NULL @new mempolicy\n\t * to hold the policy upon return. Caller should pass NULL @new to\n\t * remove a policy and fall back to surrounding context--i.e. do not\n\t * install a MPOL_DEFAULT policy, nor the task or system default\n\t * mempolicy.\n\t */\n\tint (*set_policy)(struct vm_area_struct *vma, struct mempolicy *new);","\t/*\n\t * get_policy() op must add reference [mpol_get()] to any policy at\n\t * (vma,addr) marked as MPOL_SHARED. The shared policy infrastructure\n\t * in mm/mempolicy.c will do this automatically.\n\t * get_policy() must NOT add a ref if the policy at (vma,addr) is not\n\t * marked as MPOL_SHARED. vma policies are protected by the mmap_sem.\n\t * If no [shared/vma] mempolicy exists at the addr, get_policy() op\n\t * must return NULL--i.e., do not \"fallback\" to task or system default\n\t * policy.\n\t */\n\tstruct mempolicy *(*get_policy)(struct vm_area_struct *vma,\n\t\t\t\t\tunsigned long addr);\n\tint (*migrate)(struct vm_area_struct *vma, const nodemask_t *from,\n\t\tconst nodemask_t *to, unsigned long flags);\n#endif\n\t/* called by sys_remap_file_pages() to populate non-linear mapping */\n\tint (*remap_pages)(struct vm_area_struct *vma, unsigned long addr,\n\t\t\t unsigned long size, pgoff_t pgoff);\n};","struct mmu_gather;\nstruct inode;","#define page_private(page)\t\t((page)->private)\n#define set_page_private(page, v)\t((page)->private = (v))","/* It's valid only if the page is free path or free_list */\nstatic inline void set_freepage_migratetype(struct page *page, int migratetype)\n{\n\tpage->index = migratetype;\n}","/* It's valid only if the page is free path or free_list */\nstatic inline int get_freepage_migratetype(struct page *page)\n{\n\treturn page->index;\n}","/*\n * FIXME: take this include out, include page-flags.h in\n * files which need it (119 of them)\n */\n#include <linux/page-flags.h>\n#include <linux/huge_mm.h>","/*\n * Methods to modify the page usage count.\n *\n * What counts for a page usage:\n * - cache mapping (page->mapping)\n * - private data (page->private)\n * - page mapped in a task's page tables, each mapping\n * is counted separately\n *\n * Also, many kernel routines increase the page count before a critical\n * routine so they can be sure the page doesn't go away from under them.\n */","/*\n * Drop a ref, return true if the refcount fell to zero (the page has no users)\n */\nstatic inline int put_page_testzero(struct page *page)\n{\n\tVM_BUG_ON(atomic_read(&page->_count) == 0);\n\treturn atomic_dec_and_test(&page->_count);\n}","/*\n * Try to grab a ref unless the page has a refcount of zero, return false if\n * that is the case.\n */\nstatic inline int get_page_unless_zero(struct page *page)\n{\n\treturn atomic_inc_not_zero(&page->_count);\n}","extern int page_is_ram(unsigned long pfn);","/* Support for virtually mapped pages */\nstruct page *vmalloc_to_page(const void *addr);\nunsigned long vmalloc_to_pfn(const void *addr);","/*\n * Determine if an address is within the vmalloc range\n *\n * On nommu, vmalloc/vfree wrap through kmalloc/kfree directly, so there\n * is no special casing required.\n */\nstatic inline int is_vmalloc_addr(const void *x)\n{\n#ifdef CONFIG_MMU\n\tunsigned long addr = (unsigned long)x;","\treturn addr >= VMALLOC_START && addr < VMALLOC_END;\n#else\n\treturn 0;\n#endif\n}\n#ifdef CONFIG_MMU\nextern int is_vmalloc_or_module_addr(const void *x);\n#else\nstatic inline int is_vmalloc_or_module_addr(const void *x)\n{\n\treturn 0;\n}\n#endif","static inline void compound_lock(struct page *page)\n{\n#ifdef CONFIG_TRANSPARENT_HUGEPAGE\n\tVM_BUG_ON(PageSlab(page));\n\tbit_spin_lock(PG_compound_lock, &page->flags);\n#endif\n}","static inline void compound_unlock(struct page *page)\n{\n#ifdef CONFIG_TRANSPARENT_HUGEPAGE\n\tVM_BUG_ON(PageSlab(page));\n\tbit_spin_unlock(PG_compound_lock, &page->flags);\n#endif\n}","static inline unsigned long compound_lock_irqsave(struct page *page)\n{\n\tunsigned long uninitialized_var(flags);\n#ifdef CONFIG_TRANSPARENT_HUGEPAGE\n\tlocal_irq_save(flags);\n\tcompound_lock(page);\n#endif\n\treturn flags;\n}","static inline void compound_unlock_irqrestore(struct page *page,\n\t\t\t\t\t unsigned long flags)\n{\n#ifdef CONFIG_TRANSPARENT_HUGEPAGE\n\tcompound_unlock(page);\n\tlocal_irq_restore(flags);\n#endif\n}","static inline struct page *compound_head(struct page *page)\n{\n\tif (unlikely(PageTail(page)))\n\t\treturn page->first_page;\n\treturn page;\n}","/*\n * The atomic page->_mapcount, starts from -1: so that transitions\n * both from it and to it can be tracked, using atomic_inc_and_test\n * and atomic_add_negative(-1).\n */\nstatic inline void page_mapcount_reset(struct page *page)\n{\n\tatomic_set(&(page)->_mapcount, -1);\n}","static inline int page_mapcount(struct page *page)\n{\n\treturn atomic_read(&(page)->_mapcount) + 1;\n}","static inline int page_count(struct page *page)\n{\n\treturn atomic_read(&compound_head(page)->_count);\n}","static inline void get_huge_page_tail(struct page *page)\n{\n\t/*\n\t * __split_huge_page_refcount() cannot run\n\t * from under us.\n\t */\n\tVM_BUG_ON(page_mapcount(page) < 0);\n\tVM_BUG_ON(atomic_read(&page->_count) != 0);\n\tatomic_inc(&page->_mapcount);\n}","extern bool __get_page_tail(struct page *page);","static inline void get_page(struct page *page)\n{\n\tif (unlikely(PageTail(page)))\n\t\tif (likely(__get_page_tail(page)))\n\t\t\treturn;\n\t/*\n\t * Getting a normal page or the head of a compound page\n\t * requires to already have an elevated page->_count.\n\t */\n\tVM_BUG_ON(atomic_read(&page->_count) <= 0);\n\tatomic_inc(&page->_count);\n}","static inline struct page *virt_to_head_page(const void *x)\n{\n\tstruct page *page = virt_to_page(x);\n\treturn compound_head(page);\n}","/*\n * Setup the page count before being freed into the page allocator for\n * the first time (boot or memory hotplug)\n */\nstatic inline void init_page_count(struct page *page)\n{\n\tatomic_set(&page->_count, 1);\n}","/*\n * PageBuddy() indicate that the page is free and in the buddy system\n * (see mm/page_alloc.c).\n *\n * PAGE_BUDDY_MAPCOUNT_VALUE must be <= -2 but better not too close to\n * -2 so that an underflow of the page_mapcount() won't be mistaken\n * for a genuine PAGE_BUDDY_MAPCOUNT_VALUE. -128 can be created very\n * efficiently by most CPU architectures.\n */\n#define PAGE_BUDDY_MAPCOUNT_VALUE (-128)","static inline int PageBuddy(struct page *page)\n{\n\treturn atomic_read(&page->_mapcount) == PAGE_BUDDY_MAPCOUNT_VALUE;\n}","static inline void __SetPageBuddy(struct page *page)\n{\n\tVM_BUG_ON(atomic_read(&page->_mapcount) != -1);\n\tatomic_set(&page->_mapcount, PAGE_BUDDY_MAPCOUNT_VALUE);\n}","static inline void __ClearPageBuddy(struct page *page)\n{\n\tVM_BUG_ON(!PageBuddy(page));\n\tatomic_set(&page->_mapcount, -1);\n}","void put_page(struct page *page);\nvoid put_pages_list(struct list_head *pages);","void split_page(struct page *page, unsigned int order);\nint split_free_page(struct page *page);","/*\n * Compound pages have a destructor function. Provide a\n * prototype for that function and accessor functions.\n * These are _only_ valid on the head of a PG_compound page.\n */\ntypedef void compound_page_dtor(struct page *);","static inline void set_compound_page_dtor(struct page *page,\n\t\t\t\t\t\tcompound_page_dtor *dtor)\n{\n\tpage[1].lru.next = (void *)dtor;\n}","static inline compound_page_dtor *get_compound_page_dtor(struct page *page)\n{\n\treturn (compound_page_dtor *)page[1].lru.next;\n}","static inline int compound_order(struct page *page)\n{\n\tif (!PageHead(page))\n\t\treturn 0;\n\treturn (unsigned long)page[1].lru.prev;\n}","static inline int compound_trans_order(struct page *page)\n{\n\tint order;\n\tunsigned long flags;","\tif (!PageHead(page))\n\t\treturn 0;","\tflags = compound_lock_irqsave(page);\n\torder = compound_order(page);\n\tcompound_unlock_irqrestore(page, flags);\n\treturn order;\n}","static inline void set_compound_order(struct page *page, unsigned long order)\n{\n\tpage[1].lru.prev = (void *)order;\n}","#ifdef CONFIG_MMU\n/*\n * Do pte_mkwrite, but only if the vma says VM_WRITE. We do this when\n * servicing faults for write access. In the normal case, do always want\n * pte_mkwrite. But get_user_pages can cause write faults for mappings\n * that do not have writing enabled, when used by access_process_vm.\n */\nstatic inline pte_t maybe_mkwrite(pte_t pte, struct vm_area_struct *vma)\n{\n\tif (likely(vma->vm_flags & VM_WRITE))\n\t\tpte = pte_mkwrite(pte);\n\treturn pte;\n}\n#endif","/*\n * Multiple processes may \"see\" the same page. E.g. for untouched\n * mappings of /dev/null, all processes see the same page full of\n * zeroes, and text pages of executables and shared libraries have\n * only one copy in memory, at most, normally.\n *\n * For the non-reserved pages, page_count(page) denotes a reference count.\n * page_count() == 0 means the page is free. page->lru is then used for\n * freelist management in the buddy allocator.\n * page_count() > 0 means the page has been allocated.\n *\n * Pages are allocated by the slab allocator in order to provide memory\n * to kmalloc and kmem_cache_alloc. In this case, the management of the\n * page, and the fields in 'struct page' are the responsibility of mm/slab.c\n * unless a particular usage is carefully commented. (the responsibility of\n * freeing the kmalloc memory is the caller's, of course).\n *\n * A page may be used by anyone else who does a __get_free_page().\n * In this case, page_count still tracks the references, and should only\n * be used through the normal accessor functions. The top bits of page->flags\n * and page->virtual store page management information, but all other fields\n * are unused and could be used privately, carefully. The management of this\n * page is the responsibility of the one who allocated it, and those who have\n * subsequently been given references to it.\n *\n * The other pages (we may call them \"pagecache pages\") are completely\n * managed by the Linux memory manager: I/O, buffers, swapping etc.\n * The following discussion applies only to them.\n *\n * A pagecache page contains an opaque `private' member, which belongs to the\n * page's address_space. Usually, this is the address of a circular list of\n * the page's disk buffers. PG_private must be set to tell the VM to call\n * into the filesystem to release these pages.\n *\n * A page may belong to an inode's memory mapping. In this case, page->mapping\n * is the pointer to the inode, and page->index is the file offset of the page,\n * in units of PAGE_CACHE_SIZE.\n *\n * If pagecache pages are not associated with an inode, they are said to be\n * anonymous pages. These may become associated with the swapcache, and in that\n * case PG_swapcache is set, and page->private is an offset into the swapcache.\n *\n * In either case (swapcache or inode backed), the pagecache itself holds one\n * reference to the page. Setting PG_private should also increment the\n * refcount. The each user mapping also has a reference to the page.\n *\n * The pagecache pages are stored in a per-mapping radix tree, which is\n * rooted at mapping->page_tree, and indexed by offset.\n * Where 2.4 and early 2.6 kernels kept dirty/clean pages in per-address_space\n * lists, we instead now tag pages as dirty/writeback in the radix tree.\n *\n * All pagecache pages may be subject to I/O:\n * - inode pages may need to be read from disk,\n * - inode pages which have been modified and are MAP_SHARED may need\n * to be written back to the inode on disk,\n * - anonymous pages (including MAP_PRIVATE file mappings) which have been\n * modified may need to be swapped out to swap space and (later) to be read\n * back into memory.\n */","/*\n * The zone field is never updated after free_area_init_core()\n * sets it, so none of the operations on it need to be atomic.\n */","/* Page flags: | [SECTION] | [NODE] | ZONE | [LAST_NID] | ... | FLAGS | */\n#define SECTIONS_PGOFF\t\t((sizeof(unsigned long)*8) - SECTIONS_WIDTH)\n#define NODES_PGOFF\t\t(SECTIONS_PGOFF - NODES_WIDTH)\n#define ZONES_PGOFF\t\t(NODES_PGOFF - ZONES_WIDTH)\n#define LAST_NID_PGOFF\t\t(ZONES_PGOFF - LAST_NID_WIDTH)","/*\n * Define the bit shifts to access each section. For non-existent\n * sections we define the shift as 0; that plus a 0 mask ensures\n * the compiler will optimise away reference to them.\n */\n#define SECTIONS_PGSHIFT\t(SECTIONS_PGOFF * (SECTIONS_WIDTH != 0))\n#define NODES_PGSHIFT\t\t(NODES_PGOFF * (NODES_WIDTH != 0))\n#define ZONES_PGSHIFT\t\t(ZONES_PGOFF * (ZONES_WIDTH != 0))\n#define LAST_NID_PGSHIFT\t(LAST_NID_PGOFF * (LAST_NID_WIDTH != 0))","/* NODE:ZONE or SECTION:ZONE is used to ID a zone for the buddy allocator */\n#ifdef NODE_NOT_IN_PAGE_FLAGS\n#define ZONEID_SHIFT\t\t(SECTIONS_SHIFT + ZONES_SHIFT)\n#define ZONEID_PGOFF\t\t((SECTIONS_PGOFF < ZONES_PGOFF)? \\\n\t\t\t\t\t\tSECTIONS_PGOFF : ZONES_PGOFF)\n#else\n#define ZONEID_SHIFT\t\t(NODES_SHIFT + ZONES_SHIFT)\n#define ZONEID_PGOFF\t\t((NODES_PGOFF < ZONES_PGOFF)? \\\n\t\t\t\t\t\tNODES_PGOFF : ZONES_PGOFF)\n#endif","#define ZONEID_PGSHIFT\t\t(ZONEID_PGOFF * (ZONEID_SHIFT != 0))","#if SECTIONS_WIDTH+NODES_WIDTH+ZONES_WIDTH > BITS_PER_LONG - NR_PAGEFLAGS\n#error SECTIONS_WIDTH+NODES_WIDTH+ZONES_WIDTH > BITS_PER_LONG - NR_PAGEFLAGS\n#endif","#define ZONES_MASK\t\t((1UL << ZONES_WIDTH) - 1)\n#define NODES_MASK\t\t((1UL << NODES_WIDTH) - 1)\n#define SECTIONS_MASK\t\t((1UL << SECTIONS_WIDTH) - 1)\n#define LAST_NID_MASK\t\t((1UL << LAST_NID_WIDTH) - 1)\n#define ZONEID_MASK\t\t((1UL << ZONEID_SHIFT) - 1)","static inline enum zone_type page_zonenum(const struct page *page)\n{\n\treturn (page->flags >> ZONES_PGSHIFT) & ZONES_MASK;\n}","#if defined(CONFIG_SPARSEMEM) && !defined(CONFIG_SPARSEMEM_VMEMMAP)\n#define SECTION_IN_PAGE_FLAGS\n#endif","/*\n * The identification function is only used by the buddy allocator for\n * determining if two pages could be buddies. We are not really\n * identifying a zone since we could be using a the section number\n * id if we have not node id available in page flags.\n * We guarantee only that it will return the same value for two\n * combinable pages in a zone.\n */\nstatic inline int page_zone_id(struct page *page)\n{\n\treturn (page->flags >> ZONEID_PGSHIFT) & ZONEID_MASK;\n}","static inline int zone_to_nid(struct zone *zone)\n{\n#ifdef CONFIG_NUMA\n\treturn zone->node;\n#else\n\treturn 0;\n#endif\n}","#ifdef NODE_NOT_IN_PAGE_FLAGS\nextern int page_to_nid(const struct page *page);\n#else\nstatic inline int page_to_nid(const struct page *page)\n{\n\treturn (page->flags >> NODES_PGSHIFT) & NODES_MASK;\n}\n#endif","#ifdef CONFIG_NUMA_BALANCING\n#ifdef LAST_NID_NOT_IN_PAGE_FLAGS\nstatic inline int page_nid_xchg_last(struct page *page, int nid)\n{\n\treturn xchg(&page->_last_nid, nid);\n}","static inline int page_nid_last(struct page *page)\n{\n\treturn page->_last_nid;\n}\nstatic inline void page_nid_reset_last(struct page *page)\n{\n\tpage->_last_nid = -1;\n}\n#else\nstatic inline int page_nid_last(struct page *page)\n{\n\treturn (page->flags >> LAST_NID_PGSHIFT) & LAST_NID_MASK;\n}","extern int page_nid_xchg_last(struct page *page, int nid);","static inline void page_nid_reset_last(struct page *page)\n{\n\tint nid = (1 << LAST_NID_SHIFT) - 1;","\tpage->flags &= ~(LAST_NID_MASK << LAST_NID_PGSHIFT);\n\tpage->flags |= (nid & LAST_NID_MASK) << LAST_NID_PGSHIFT;\n}\n#endif /* LAST_NID_NOT_IN_PAGE_FLAGS */\n#else\nstatic inline int page_nid_xchg_last(struct page *page, int nid)\n{\n\treturn page_to_nid(page);\n}","static inline int page_nid_last(struct page *page)\n{\n\treturn page_to_nid(page);\n}","static inline void page_nid_reset_last(struct page *page)\n{\n}\n#endif","static inline struct zone *page_zone(const struct page *page)\n{\n\treturn &NODE_DATA(page_to_nid(page))->node_zones[page_zonenum(page)];\n}","#ifdef SECTION_IN_PAGE_FLAGS\nstatic inline void set_page_section(struct page *page, unsigned long section)\n{\n\tpage->flags &= ~(SECTIONS_MASK << SECTIONS_PGSHIFT);\n\tpage->flags |= (section & SECTIONS_MASK) << SECTIONS_PGSHIFT;\n}","static inline unsigned long page_to_section(const struct page *page)\n{\n\treturn (page->flags >> SECTIONS_PGSHIFT) & SECTIONS_MASK;\n}\n#endif","static inline void set_page_zone(struct page *page, enum zone_type zone)\n{\n\tpage->flags &= ~(ZONES_MASK << ZONES_PGSHIFT);\n\tpage->flags |= (zone & ZONES_MASK) << ZONES_PGSHIFT;\n}","static inline void set_page_node(struct page *page, unsigned long node)\n{\n\tpage->flags &= ~(NODES_MASK << NODES_PGSHIFT);\n\tpage->flags |= (node & NODES_MASK) << NODES_PGSHIFT;\n}","static inline void set_page_links(struct page *page, enum zone_type zone,\n\tunsigned long node, unsigned long pfn)\n{\n\tset_page_zone(page, zone);\n\tset_page_node(page, node);\n#ifdef SECTION_IN_PAGE_FLAGS\n\tset_page_section(page, pfn_to_section_nr(pfn));\n#endif\n}","/*\n * Some inline functions in vmstat.h depend on page_zone()\n */\n#include <linux/vmstat.h>","static __always_inline void *lowmem_page_address(const struct page *page)\n{\n\treturn __va(PFN_PHYS(page_to_pfn(page)));\n}","#if defined(CONFIG_HIGHMEM) && !defined(WANT_PAGE_VIRTUAL)\n#define HASHED_PAGE_VIRTUAL\n#endif","#if defined(WANT_PAGE_VIRTUAL)\n#define page_address(page) ((page)->virtual)\n#define set_page_address(page, address)\t\t\t\\\n\tdo {\t\t\t\t\t\t\\\n\t\t(page)->virtual = (address);\t\t\\\n\t} while(0)\n#define page_address_init() do { } while(0)\n#endif","#if defined(HASHED_PAGE_VIRTUAL)\nvoid *page_address(const struct page *page);\nvoid set_page_address(struct page *page, void *virtual);\nvoid page_address_init(void);\n#endif","#if !defined(HASHED_PAGE_VIRTUAL) && !defined(WANT_PAGE_VIRTUAL)\n#define page_address(page) lowmem_page_address(page)\n#define set_page_address(page, address) do { } while(0)\n#define page_address_init() do { } while(0)\n#endif","/*\n * On an anonymous page mapped into a user virtual memory area,\n * page->mapping points to its anon_vma, not to a struct address_space;\n * with the PAGE_MAPPING_ANON bit set to distinguish it. See rmap.h.\n *\n * On an anonymous page in a VM_MERGEABLE area, if CONFIG_KSM is enabled,\n * the PAGE_MAPPING_KSM bit may be set along with the PAGE_MAPPING_ANON bit;\n * and then page->mapping points, not to an anon_vma, but to a private\n * structure which KSM associates with that merged page. See ksm.h.\n *\n * PAGE_MAPPING_KSM without PAGE_MAPPING_ANON is currently never used.\n *\n * Please note that, confusingly, \"page_mapping\" refers to the inode\n * address_space which maps the page from disk; whereas \"page_mapped\"\n * refers to user virtual address space into which the page is mapped.\n */\n#define PAGE_MAPPING_ANON\t1\n#define PAGE_MAPPING_KSM\t2\n#define PAGE_MAPPING_FLAGS\t(PAGE_MAPPING_ANON | PAGE_MAPPING_KSM)","extern struct address_space *page_mapping(struct page *page);","/* Neutral page->mapping pointer to address_space or anon_vma or other */\nstatic inline void *page_rmapping(struct page *page)\n{\n\treturn (void *)((unsigned long)page->mapping & ~PAGE_MAPPING_FLAGS);\n}","extern struct address_space *__page_file_mapping(struct page *);","static inline\nstruct address_space *page_file_mapping(struct page *page)\n{\n\tif (unlikely(PageSwapCache(page)))\n\t\treturn __page_file_mapping(page);","\treturn page->mapping;\n}","static inline int PageAnon(struct page *page)\n{\n\treturn ((unsigned long)page->mapping & PAGE_MAPPING_ANON) != 0;\n}","/*\n * Return the pagecache index of the passed page. Regular pagecache pages\n * use ->index whereas swapcache pages use ->private\n */\nstatic inline pgoff_t page_index(struct page *page)\n{\n\tif (unlikely(PageSwapCache(page)))\n\t\treturn page_private(page);\n\treturn page->index;\n}","extern pgoff_t __page_file_index(struct page *page);","/*\n * Return the file index of the page. Regular pagecache pages use ->index\n * whereas swapcache pages use swp_offset(->private)\n */\nstatic inline pgoff_t page_file_index(struct page *page)\n{\n\tif (unlikely(PageSwapCache(page)))\n\t\treturn __page_file_index(page);","\treturn page->index;\n}","/*\n * Return true if this page is mapped into pagetables.\n */\nstatic inline int page_mapped(struct page *page)\n{\n\treturn atomic_read(&(page)->_mapcount) >= 0;\n}","/*\n * Different kinds of faults, as returned by handle_mm_fault().\n * Used to decide whether a process gets delivered SIGBUS or\n * just gets major/minor fault counters bumped up.\n */","#define VM_FAULT_MINOR\t0 /* For backwards compat. Remove me quickly. */","#define VM_FAULT_OOM\t0x0001\n#define VM_FAULT_SIGBUS\t0x0002\n#define VM_FAULT_MAJOR\t0x0004\n#define VM_FAULT_WRITE\t0x0008\t/* Special case for get_user_pages */\n#define VM_FAULT_HWPOISON 0x0010\t/* Hit poisoned small page */\n#define VM_FAULT_HWPOISON_LARGE 0x0020 /* Hit poisoned large page. Index encoded in upper bits */","#define VM_FAULT_NOPAGE\t0x0100\t/* ->fault installed the pte, not return page */\n#define VM_FAULT_LOCKED\t0x0200\t/* ->fault locked the returned page */\n#define VM_FAULT_RETRY\t0x0400\t/* ->fault blocked, must retry */","#define VM_FAULT_HWPOISON_LARGE_MASK 0xf000 /* encodes hpage index for large hwpoison */","#define VM_FAULT_ERROR\t(VM_FAULT_OOM | VM_FAULT_SIGBUS | VM_FAULT_HWPOISON | \\\n\t\t\t VM_FAULT_HWPOISON_LARGE)","/* Encode hstate index for a hwpoisoned large page */\n#define VM_FAULT_SET_HINDEX(x) ((x) << 12)\n#define VM_FAULT_GET_HINDEX(x) (((x) >> 12) & 0xf)","/*\n * Can be called by the pagefault handler when it gets a VM_FAULT_OOM.\n */\nextern void pagefault_out_of_memory(void);","#define offset_in_page(p)\t((unsigned long)(p) & ~PAGE_MASK)","/*\n * Flags passed to show_mem() and show_free_areas() to suppress output in\n * various contexts.\n */\n#define SHOW_MEM_FILTER_NODES\t(0x0001u)\t/* filter disallowed nodes */","extern void show_free_areas(unsigned int flags);\nextern bool skip_free_areas_node(unsigned int flags, int nid);","int shmem_zero_setup(struct vm_area_struct *);","extern int can_do_mlock(void);\nextern int user_shm_lock(size_t, struct user_struct *);\nextern void user_shm_unlock(size_t, struct user_struct *);","/*\n * Parameter block passed down to zap_pte_range in exceptional cases.\n */\nstruct zap_details {\n\tstruct vm_area_struct *nonlinear_vma;\t/* Check page->index if set */\n\tstruct address_space *check_mapping;\t/* Check page->mapping if set */\n\tpgoff_t\tfirst_index;\t\t\t/* Lowest page->index to unmap */\n\tpgoff_t last_index;\t\t\t/* Highest page->index to unmap */\n};","struct page *vm_normal_page(struct vm_area_struct *vma, unsigned long addr,\n\t\tpte_t pte);","int zap_vma_ptes(struct vm_area_struct *vma, unsigned long address,\n\t\tunsigned long size);\nvoid zap_page_range(struct vm_area_struct *vma, unsigned long address,\n\t\tunsigned long size, struct zap_details *);\nvoid unmap_vmas(struct mmu_gather *tlb, struct vm_area_struct *start_vma,\n\t\tunsigned long start, unsigned long end);","/**\n * mm_walk - callbacks for walk_page_range\n * @pgd_entry: if set, called for each non-empty PGD (top-level) entry\n * @pud_entry: if set, called for each non-empty PUD (2nd-level) entry\n * @pmd_entry: if set, called for each non-empty PMD (3rd-level) entry\n *\t this handler is required to be able to handle\n *\t pmd_trans_huge() pmds. They may simply choose to\n *\t split_huge_page() instead of handling it explicitly.\n * @pte_entry: if set, called for each non-empty PTE (4th-level) entry\n * @pte_hole: if set, called for each hole at all levels\n * @hugetlb_entry: if set, called for each hugetlb entry\n *\t\t *Caution*: The caller must hold mmap_sem() if @hugetlb_entry\n * \t\t\t is used.\n *\n * (see walk_page_range for more details)\n */\nstruct mm_walk {\n\tint (*pgd_entry)(pgd_t *, unsigned long, unsigned long, struct mm_walk *);\n\tint (*pud_entry)(pud_t *, unsigned long, unsigned long, struct mm_walk *);\n\tint (*pmd_entry)(pmd_t *, unsigned long, unsigned long, struct mm_walk *);\n\tint (*pte_entry)(pte_t *, unsigned long, unsigned long, struct mm_walk *);\n\tint (*pte_hole)(unsigned long, unsigned long, struct mm_walk *);\n\tint (*hugetlb_entry)(pte_t *, unsigned long,\n\t\t\t unsigned long, unsigned long, struct mm_walk *);\n\tstruct mm_struct *mm;\n\tvoid *private;\n};","int walk_page_range(unsigned long addr, unsigned long end,\n\t\tstruct mm_walk *walk);\nvoid free_pgd_range(struct mmu_gather *tlb, unsigned long addr,\n\t\tunsigned long end, unsigned long floor, unsigned long ceiling);\nint copy_page_range(struct mm_struct *dst, struct mm_struct *src,\n\t\t\tstruct vm_area_struct *vma);\nvoid unmap_mapping_range(struct address_space *mapping,\n\t\tloff_t const holebegin, loff_t const holelen, int even_cows);\nint follow_pfn(struct vm_area_struct *vma, unsigned long address,\n\tunsigned long *pfn);\nint follow_phys(struct vm_area_struct *vma, unsigned long address,\n\t\tunsigned int flags, unsigned long *prot, resource_size_t *phys);\nint generic_access_phys(struct vm_area_struct *vma, unsigned long addr,\n\t\t\tvoid *buf, int len, int write);","static inline void unmap_shared_mapping_range(struct address_space *mapping,\n\t\tloff_t const holebegin, loff_t const holelen)\n{\n\tunmap_mapping_range(mapping, holebegin, holelen, 0);\n}","extern void truncate_pagecache(struct inode *inode, loff_t old, loff_t new);\nextern void truncate_setsize(struct inode *inode, loff_t newsize);\nvoid truncate_pagecache_range(struct inode *inode, loff_t offset, loff_t end);\nint truncate_inode_page(struct address_space *mapping, struct page *page);\nint generic_error_remove_page(struct address_space *mapping, struct page *page);\nint invalidate_inode_page(struct page *page);","#ifdef CONFIG_MMU\nextern int handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma,\n\t\t\tunsigned long address, unsigned int flags);\nextern int fixup_user_fault(struct task_struct *tsk, struct mm_struct *mm,\n\t\t\t unsigned long address, unsigned int fault_flags);\n#else\nstatic inline int handle_mm_fault(struct mm_struct *mm,\n\t\t\tstruct vm_area_struct *vma, unsigned long address,\n\t\t\tunsigned int flags)\n{\n\t/* should never happen if there's no MMU */\n\tBUG();\n\treturn VM_FAULT_SIGBUS;\n}\nstatic inline int fixup_user_fault(struct task_struct *tsk,\n\t\tstruct mm_struct *mm, unsigned long address,\n\t\tunsigned int fault_flags)\n{\n\t/* should never happen if there's no MMU */\n\tBUG();\n\treturn -EFAULT;\n}\n#endif","extern int access_process_vm(struct task_struct *tsk, unsigned long addr, void *buf, int len, int write);\nextern int access_remote_vm(struct mm_struct *mm, unsigned long addr,\n\t\tvoid *buf, int len, int write);","long __get_user_pages(struct task_struct *tsk, struct mm_struct *mm,\n\t\t unsigned long start, unsigned long nr_pages,\n\t\t unsigned int foll_flags, struct page **pages,\n\t\t struct vm_area_struct **vmas, int *nonblocking);\nlong get_user_pages(struct task_struct *tsk, struct mm_struct *mm,\n\t\t unsigned long start, unsigned long nr_pages,\n\t\t int write, int force, struct page **pages,\n\t\t struct vm_area_struct **vmas);\nint get_user_pages_fast(unsigned long start, int nr_pages, int write,\n\t\t\tstruct page **pages);\nstruct kvec;\nint get_kernel_pages(const struct kvec *iov, int nr_pages, int write,\n\t\t\tstruct page **pages);\nint get_kernel_page(unsigned long start, int write, struct page **pages);\nstruct page *get_dump_page(unsigned long addr);","extern int try_to_release_page(struct page * page, gfp_t gfp_mask);\nextern void do_invalidatepage(struct page *page, unsigned long offset);","int __set_page_dirty_nobuffers(struct page *page);\nint __set_page_dirty_no_writeback(struct page *page);\nint redirty_page_for_writepage(struct writeback_control *wbc,\n\t\t\t\tstruct page *page);\nvoid account_page_dirtied(struct page *page, struct address_space *mapping);\nvoid account_page_writeback(struct page *page);\nint set_page_dirty(struct page *page);\nint set_page_dirty_lock(struct page *page);\nint clear_page_dirty_for_io(struct page *page);","/* Is the vma a continuation of the stack vma above it? */\nstatic inline int vma_growsdown(struct vm_area_struct *vma, unsigned long addr)\n{\n\treturn vma && (vma->vm_end == addr) && (vma->vm_flags & VM_GROWSDOWN);\n}","static inline int stack_guard_page_start(struct vm_area_struct *vma,\n\t\t\t\t\t unsigned long addr)\n{\n\treturn (vma->vm_flags & VM_GROWSDOWN) &&\n\t\t(vma->vm_start == addr) &&\n\t\t!vma_growsdown(vma->vm_prev, addr);\n}","/* Is the vma a continuation of the stack vma below it? */\nstatic inline int vma_growsup(struct vm_area_struct *vma, unsigned long addr)\n{\n\treturn vma && (vma->vm_start == addr) && (vma->vm_flags & VM_GROWSUP);\n}","static inline int stack_guard_page_end(struct vm_area_struct *vma,\n\t\t\t\t\t unsigned long addr)\n{\n\treturn (vma->vm_flags & VM_GROWSUP) &&\n\t\t(vma->vm_end == addr) &&\n\t\t!vma_growsup(vma->vm_next, addr);\n}","extern pid_t\nvm_is_stack(struct task_struct *task, struct vm_area_struct *vma, int in_group);","extern unsigned long move_page_tables(struct vm_area_struct *vma,\n\t\tunsigned long old_addr, struct vm_area_struct *new_vma,\n\t\tunsigned long new_addr, unsigned long len,\n\t\tbool need_rmap_locks);\nextern unsigned long do_mremap(unsigned long addr,\n\t\t\t unsigned long old_len, unsigned long new_len,\n\t\t\t unsigned long flags, unsigned long new_addr);\nextern unsigned long change_protection(struct vm_area_struct *vma, unsigned long start,\n\t\t\t unsigned long end, pgprot_t newprot,\n\t\t\t int dirty_accountable, int prot_numa);\nextern int mprotect_fixup(struct vm_area_struct *vma,\n\t\t\t struct vm_area_struct **pprev, unsigned long start,\n\t\t\t unsigned long end, unsigned long newflags);","/*\n * doesn't attempt to fault and will return short.\n */\nint __get_user_pages_fast(unsigned long start, int nr_pages, int write,\n\t\t\t struct page **pages);\n/*\n * per-process(per-mm_struct) statistics.\n */\nstatic inline unsigned long get_mm_counter(struct mm_struct *mm, int member)\n{\n\tlong val = atomic_long_read(&mm->rss_stat.count[member]);","#ifdef SPLIT_RSS_COUNTING\n\t/*\n\t * counter is updated in asynchronous manner and may go to minus.\n\t * But it's never be expected number for users.\n\t */\n\tif (val < 0)\n\t\tval = 0;\n#endif\n\treturn (unsigned long)val;\n}","static inline void add_mm_counter(struct mm_struct *mm, int member, long value)\n{\n\tatomic_long_add(value, &mm->rss_stat.count[member]);\n}","static inline void inc_mm_counter(struct mm_struct *mm, int member)\n{\n\tatomic_long_inc(&mm->rss_stat.count[member]);\n}","static inline void dec_mm_counter(struct mm_struct *mm, int member)\n{\n\tatomic_long_dec(&mm->rss_stat.count[member]);\n}","static inline unsigned long get_mm_rss(struct mm_struct *mm)\n{\n\treturn get_mm_counter(mm, MM_FILEPAGES) +\n\t\tget_mm_counter(mm, MM_ANONPAGES);\n}","static inline unsigned long get_mm_hiwater_rss(struct mm_struct *mm)\n{\n\treturn max(mm->hiwater_rss, get_mm_rss(mm));\n}","static inline unsigned long get_mm_hiwater_vm(struct mm_struct *mm)\n{\n\treturn max(mm->hiwater_vm, mm->total_vm);\n}","static inline void update_hiwater_rss(struct mm_struct *mm)\n{\n\tunsigned long _rss = get_mm_rss(mm);","\tif ((mm)->hiwater_rss < _rss)\n\t\t(mm)->hiwater_rss = _rss;\n}","static inline void update_hiwater_vm(struct mm_struct *mm)\n{\n\tif (mm->hiwater_vm < mm->total_vm)\n\t\tmm->hiwater_vm = mm->total_vm;\n}","static inline void setmax_mm_hiwater_rss(unsigned long *maxrss,\n\t\t\t\t\t struct mm_struct *mm)\n{\n\tunsigned long hiwater_rss = get_mm_hiwater_rss(mm);","\tif (*maxrss < hiwater_rss)\n\t\t*maxrss = hiwater_rss;\n}","#if defined(SPLIT_RSS_COUNTING)\nvoid sync_mm_rss(struct mm_struct *mm);\n#else\nstatic inline void sync_mm_rss(struct mm_struct *mm)\n{\n}\n#endif","int vma_wants_writenotify(struct vm_area_struct *vma);","extern pte_t *__get_locked_pte(struct mm_struct *mm, unsigned long addr,\n\t\t\t spinlock_t **ptl);\nstatic inline pte_t *get_locked_pte(struct mm_struct *mm, unsigned long addr,\n\t\t\t\t spinlock_t **ptl)\n{\n\tpte_t *ptep;\n\t__cond_lock(*ptl, ptep = __get_locked_pte(mm, addr, ptl));\n\treturn ptep;\n}","#ifdef __PAGETABLE_PUD_FOLDED\nstatic inline int __pud_alloc(struct mm_struct *mm, pgd_t *pgd,\n\t\t\t\t\t\tunsigned long address)\n{\n\treturn 0;\n}\n#else\nint __pud_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long address);\n#endif","#ifdef __PAGETABLE_PMD_FOLDED\nstatic inline int __pmd_alloc(struct mm_struct *mm, pud_t *pud,\n\t\t\t\t\t\tunsigned long address)\n{\n\treturn 0;\n}\n#else\nint __pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long address);\n#endif","int __pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma,\n\t\tpmd_t *pmd, unsigned long address);\nint __pte_alloc_kernel(pmd_t *pmd, unsigned long address);","/*\n * The following ifdef needed to get the 4level-fixup.h header to work.\n * Remove it when 4level-fixup.h has been removed.\n */\n#if defined(CONFIG_MMU) && !defined(__ARCH_HAS_4LEVEL_HACK)\nstatic inline pud_t *pud_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long address)\n{\n\treturn (unlikely(pgd_none(*pgd)) && __pud_alloc(mm, pgd, address))?\n\t\tNULL: pud_offset(pgd, address);\n}","static inline pmd_t *pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long address)\n{\n\treturn (unlikely(pud_none(*pud)) && __pmd_alloc(mm, pud, address))?\n\t\tNULL: pmd_offset(pud, address);\n}\n#endif /* CONFIG_MMU && !__ARCH_HAS_4LEVEL_HACK */","#if USE_SPLIT_PTLOCKS\n/*\n * We tuck a spinlock to guard each pagetable page into its struct page,\n * at page->private, with BUILD_BUG_ON to make sure that this will not\n * overflow into the next struct page (as it might with DEBUG_SPINLOCK).\n * When freeing, reset page->mapping so free_pages_check won't complain.\n */\n#define __pte_lockptr(page)\t&((page)->ptl)\n#define pte_lock_init(_page)\tdo {\t\t\t\t\t\\\n\tspin_lock_init(__pte_lockptr(_page));\t\t\t\t\\\n} while (0)\n#define pte_lock_deinit(page)\t((page)->mapping = NULL)\n#define pte_lockptr(mm, pmd)\t({(void)(mm); __pte_lockptr(pmd_page(*(pmd)));})\n#else\t/* !USE_SPLIT_PTLOCKS */\n/*\n * We use mm->page_table_lock to guard all pagetable pages of the mm.\n */\n#define pte_lock_init(page)\tdo {} while (0)\n#define pte_lock_deinit(page)\tdo {} while (0)\n#define pte_lockptr(mm, pmd)\t({(void)(pmd); &(mm)->page_table_lock;})\n#endif /* USE_SPLIT_PTLOCKS */","static inline void pgtable_page_ctor(struct page *page)\n{\n\tpte_lock_init(page);\n\tinc_zone_page_state(page, NR_PAGETABLE);\n}","static inline void pgtable_page_dtor(struct page *page)\n{\n\tpte_lock_deinit(page);\n\tdec_zone_page_state(page, NR_PAGETABLE);\n}","#define pte_offset_map_lock(mm, pmd, address, ptlp)\t\\\n({\t\t\t\t\t\t\t\\\n\tspinlock_t *__ptl = pte_lockptr(mm, pmd);\t\\\n\tpte_t *__pte = pte_offset_map(pmd, address);\t\\\n\t*(ptlp) = __ptl;\t\t\t\t\\\n\tspin_lock(__ptl);\t\t\t\t\\\n\t__pte;\t\t\t\t\t\t\\\n})","#define pte_unmap_unlock(pte, ptl)\tdo {\t\t\\\n\tspin_unlock(ptl);\t\t\t\t\\\n\tpte_unmap(pte);\t\t\t\t\t\\\n} while (0)","#define pte_alloc_map(mm, vma, pmd, address)\t\t\t\t\\\n\t((unlikely(pmd_none(*(pmd))) && __pte_alloc(mm, vma,\t\\\n\t\t\t\t\t\t\tpmd, address))?\t\\\n\t NULL: pte_offset_map(pmd, address))","#define pte_alloc_map_lock(mm, pmd, address, ptlp)\t\\\n\t((unlikely(pmd_none(*(pmd))) && __pte_alloc(mm, NULL,\t\\\n\t\t\t\t\t\t\tpmd, address))?\t\\\n\t\tNULL: pte_offset_map_lock(mm, pmd, address, ptlp))","#define pte_alloc_kernel(pmd, address)\t\t\t\\\n\t((unlikely(pmd_none(*(pmd))) && __pte_alloc_kernel(pmd, address))? \\\n\t\tNULL: pte_offset_kernel(pmd, address))","extern void free_area_init(unsigned long * zones_size);\nextern void free_area_init_node(int nid, unsigned long * zones_size,\n\t\tunsigned long zone_start_pfn, unsigned long *zholes_size);\nextern void free_initmem(void);","#ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP\n/*\n * With CONFIG_HAVE_MEMBLOCK_NODE_MAP set, an architecture may initialise its\n * zones, allocate the backing mem_map and account for memory holes in a more\n * architecture independent manner. This is a substitute for creating the\n * zone_sizes[] and zholes_size[] arrays and passing them to\n * free_area_init_node()\n *\n * An architecture is expected to register range of page frames backed by\n * physical memory with memblock_add[_node]() before calling\n * free_area_init_nodes() passing in the PFN each zone ends at. At a basic\n * usage, an architecture is expected to do something like\n *\n * unsigned long max_zone_pfns[MAX_NR_ZONES] = {max_dma, max_normal_pfn,\n * \t\t\t\t\t\t\t max_highmem_pfn};\n * for_each_valid_physical_page_range()\n * \tmemblock_add_node(base, size, nid)\n * free_area_init_nodes(max_zone_pfns);\n *\n * free_bootmem_with_active_regions() calls free_bootmem_node() for each\n * registered physical page range. Similarly\n * sparse_memory_present_with_active_regions() calls memory_present() for\n * each range when SPARSEMEM is enabled.\n *\n * See mm/page_alloc.c for more information on each function exposed by\n * CONFIG_HAVE_MEMBLOCK_NODE_MAP.\n */\nextern void free_area_init_nodes(unsigned long *max_zone_pfn);\nunsigned long node_map_pfn_alignment(void);\nunsigned long __absent_pages_in_range(int nid, unsigned long start_pfn,\n\t\t\t\t\t\tunsigned long end_pfn);\nextern unsigned long absent_pages_in_range(unsigned long start_pfn,\n\t\t\t\t\t\tunsigned long end_pfn);\nextern void get_pfn_range_for_nid(unsigned int nid,\n\t\t\tunsigned long *start_pfn, unsigned long *end_pfn);\nextern unsigned long find_min_pfn_with_active_regions(void);\nextern void free_bootmem_with_active_regions(int nid,\n\t\t\t\t\t\tunsigned long max_low_pfn);\nextern void sparse_memory_present_with_active_regions(int nid);","#endif /* CONFIG_HAVE_MEMBLOCK_NODE_MAP */","#if !defined(CONFIG_HAVE_MEMBLOCK_NODE_MAP) && \\\n !defined(CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID)\nstatic inline int __early_pfn_to_nid(unsigned long pfn)\n{\n\treturn 0;\n}\n#else\n/* please see mm/page_alloc.c */\nextern int __meminit early_pfn_to_nid(unsigned long pfn);\n#ifdef CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID\n/* there is a per-arch backend function. */\nextern int __meminit __early_pfn_to_nid(unsigned long pfn);\n#endif /* CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID */\n#endif","extern void set_dma_reserve(unsigned long new_dma_reserve);\nextern void memmap_init_zone(unsigned long, int, unsigned long,\n\t\t\t\tunsigned long, enum memmap_context);\nextern void setup_per_zone_wmarks(void);\nextern int __meminit init_per_zone_wmark_min(void);\nextern void mem_init(void);\nextern void __init mmap_init(void);\nextern void show_mem(unsigned int flags);\nextern void si_meminfo(struct sysinfo * val);\nextern void si_meminfo_node(struct sysinfo *val, int nid);","extern __printf(3, 4)\nvoid warn_alloc_failed(gfp_t gfp_mask, int order, const char *fmt, ...);","extern void setup_per_cpu_pageset(void);","extern void zone_pcp_update(struct zone *zone);\nextern void zone_pcp_reset(struct zone *zone);","/* page_alloc.c */\nextern int min_free_kbytes;","/* nommu.c */\nextern atomic_long_t mmap_pages_allocated;\nextern int nommu_shrink_inode_mappings(struct inode *, size_t, size_t);","/* interval_tree.c */\nvoid vma_interval_tree_insert(struct vm_area_struct *node,\n\t\t\t struct rb_root *root);\nvoid vma_interval_tree_insert_after(struct vm_area_struct *node,\n\t\t\t\t struct vm_area_struct *prev,\n\t\t\t\t struct rb_root *root);\nvoid vma_interval_tree_remove(struct vm_area_struct *node,\n\t\t\t struct rb_root *root);\nstruct vm_area_struct *vma_interval_tree_iter_first(struct rb_root *root,\n\t\t\t\tunsigned long start, unsigned long last);\nstruct vm_area_struct *vma_interval_tree_iter_next(struct vm_area_struct *node,\n\t\t\t\tunsigned long start, unsigned long last);","#define vma_interval_tree_foreach(vma, root, start, last)\t\t\\\n\tfor (vma = vma_interval_tree_iter_first(root, start, last);\t\\\n\t vma; vma = vma_interval_tree_iter_next(vma, start, last))","static inline void vma_nonlinear_insert(struct vm_area_struct *vma,\n\t\t\t\t\tstruct list_head *list)\n{\n\tlist_add_tail(&vma->shared.nonlinear, list);\n}","void anon_vma_interval_tree_insert(struct anon_vma_chain *node,\n\t\t\t\t struct rb_root *root);\nvoid anon_vma_interval_tree_remove(struct anon_vma_chain *node,\n\t\t\t\t struct rb_root *root);\nstruct anon_vma_chain *anon_vma_interval_tree_iter_first(\n\tstruct rb_root *root, unsigned long start, unsigned long last);\nstruct anon_vma_chain *anon_vma_interval_tree_iter_next(\n\tstruct anon_vma_chain *node, unsigned long start, unsigned long last);\n#ifdef CONFIG_DEBUG_VM_RB\nvoid anon_vma_interval_tree_verify(struct anon_vma_chain *node);\n#endif","#define anon_vma_interval_tree_foreach(avc, root, start, last)\t\t \\\n\tfor (avc = anon_vma_interval_tree_iter_first(root, start, last); \\\n\t avc; avc = anon_vma_interval_tree_iter_next(avc, start, last))","/* mmap.c */\nextern int __vm_enough_memory(struct mm_struct *mm, long pages, int cap_sys_admin);\nextern int vma_adjust(struct vm_area_struct *vma, unsigned long start,\n\tunsigned long end, pgoff_t pgoff, struct vm_area_struct *insert);\nextern struct vm_area_struct *vma_merge(struct mm_struct *,\n\tstruct vm_area_struct *prev, unsigned long addr, unsigned long end,\n\tunsigned long vm_flags, struct anon_vma *, struct file *, pgoff_t,\n\tstruct mempolicy *);\nextern struct anon_vma *find_mergeable_anon_vma(struct vm_area_struct *);\nextern int split_vma(struct mm_struct *,\n\tstruct vm_area_struct *, unsigned long addr, int new_below);\nextern int insert_vm_struct(struct mm_struct *, struct vm_area_struct *);\nextern void __vma_link_rb(struct mm_struct *, struct vm_area_struct *,\n\tstruct rb_node **, struct rb_node *);\nextern void unlink_file_vma(struct vm_area_struct *);\nextern struct vm_area_struct *copy_vma(struct vm_area_struct **,\n\tunsigned long addr, unsigned long len, pgoff_t pgoff,\n\tbool *need_rmap_locks);\nextern void exit_mmap(struct mm_struct *);","extern int mm_take_all_locks(struct mm_struct *mm);\nextern void mm_drop_all_locks(struct mm_struct *mm);","extern void set_mm_exe_file(struct mm_struct *mm, struct file *new_exe_file);\nextern struct file *get_mm_exe_file(struct mm_struct *mm);","extern int may_expand_vm(struct mm_struct *mm, unsigned long npages);\nextern int install_special_mapping(struct mm_struct *mm,\n\t\t\t\t unsigned long addr, unsigned long len,\n\t\t\t\t unsigned long flags, struct page **pages);","extern unsigned long get_unmapped_area(struct file *, unsigned long, unsigned long, unsigned long, unsigned long);","extern unsigned long mmap_region(struct file *file, unsigned long addr,\n\tunsigned long len, vm_flags_t vm_flags, unsigned long pgoff);\nextern unsigned long do_mmap_pgoff(struct file *file, unsigned long addr,\n\tunsigned long len, unsigned long prot, unsigned long flags,\n\tunsigned long pgoff, unsigned long *populate);\nextern int do_munmap(struct mm_struct *, unsigned long, size_t);","#ifdef CONFIG_MMU\nextern int __mm_populate(unsigned long addr, unsigned long len,\n\t\t\t int ignore_errors);\nstatic inline void mm_populate(unsigned long addr, unsigned long len)\n{\n\t/* Ignore errors */\n\t(void) __mm_populate(addr, len, 1);\n}\n#else\nstatic inline void mm_populate(unsigned long addr, unsigned long len) {}\n#endif","/* These take the mm semaphore themselves */\nextern unsigned long vm_brk(unsigned long, unsigned long);\nextern int vm_munmap(unsigned long, size_t);\nextern unsigned long vm_mmap(struct file *, unsigned long,\n unsigned long, unsigned long,\n unsigned long, unsigned long);","struct vm_unmapped_area_info {\n#define VM_UNMAPPED_AREA_TOPDOWN 1\n\tunsigned long flags;\n\tunsigned long length;\n\tunsigned long low_limit;\n\tunsigned long high_limit;\n\tunsigned long align_mask;\n\tunsigned long align_offset;\n};","extern unsigned long unmapped_area(struct vm_unmapped_area_info *info);\nextern unsigned long unmapped_area_topdown(struct vm_unmapped_area_info *info);","/*\n * Search for an unmapped address range.\n *\n * We are looking for a range that:\n * - does not intersect with any VMA;\n * - is contained within the [low_limit, high_limit) interval;\n * - is at least the desired size.\n * - satisfies (begin_addr & align_mask) == (align_offset & align_mask)\n */\nstatic inline unsigned long\nvm_unmapped_area(struct vm_unmapped_area_info *info)\n{\n\tif (!(info->flags & VM_UNMAPPED_AREA_TOPDOWN))\n\t\treturn unmapped_area(info);\n\telse\n\t\treturn unmapped_area_topdown(info);\n}","/* truncate.c */\nextern void truncate_inode_pages(struct address_space *, loff_t);\nextern void truncate_inode_pages_range(struct address_space *,\n\t\t\t\t loff_t lstart, loff_t lend);","/* generic vm_area_ops exported for stackable file systems */\nextern int filemap_fault(struct vm_area_struct *, struct vm_fault *);\nextern int filemap_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf);","/* mm/page-writeback.c */\nint write_one_page(struct page *page, int wait);\nvoid task_dirty_inc(struct task_struct *tsk);","/* readahead.c */\n#define VM_MAX_READAHEAD\t128\t/* kbytes */\n#define VM_MIN_READAHEAD\t16\t/* kbytes (includes current page) */","int force_page_cache_readahead(struct address_space *mapping, struct file *filp,\n\t\t\tpgoff_t offset, unsigned long nr_to_read);","void page_cache_sync_readahead(struct address_space *mapping,\n\t\t\t struct file_ra_state *ra,\n\t\t\t struct file *filp,\n\t\t\t pgoff_t offset,\n\t\t\t unsigned long size);","void page_cache_async_readahead(struct address_space *mapping,\n\t\t\t\tstruct file_ra_state *ra,\n\t\t\t\tstruct file *filp,\n\t\t\t\tstruct page *pg,\n\t\t\t\tpgoff_t offset,\n\t\t\t\tunsigned long size);","unsigned long max_sane_readahead(unsigned long nr);\nunsigned long ra_submit(struct file_ra_state *ra,\n\t\t\tstruct address_space *mapping,\n\t\t\tstruct file *filp);","/* Generic expand stack which grows the stack according to GROWS{UP,DOWN} */\nextern int expand_stack(struct vm_area_struct *vma, unsigned long address);","/* CONFIG_STACK_GROWSUP still needs to to grow downwards at some places */\nextern int expand_downwards(struct vm_area_struct *vma,\n\t\tunsigned long address);\n#if VM_GROWSUP\nextern int expand_upwards(struct vm_area_struct *vma, unsigned long address);\n#else\n #define expand_upwards(vma, address) do { } while (0)\n#endif","/* Look up the first VMA which satisfies addr < vm_end, NULL if none. */\nextern struct vm_area_struct * find_vma(struct mm_struct * mm, unsigned long addr);\nextern struct vm_area_struct * find_vma_prev(struct mm_struct * mm, unsigned long addr,\n\t\t\t\t\t struct vm_area_struct **pprev);","/* Look up the first VMA which intersects the interval start_addr..end_addr-1,\n NULL if none. Assume start_addr < end_addr. */\nstatic inline struct vm_area_struct * find_vma_intersection(struct mm_struct * mm, unsigned long start_addr, unsigned long end_addr)\n{\n\tstruct vm_area_struct * vma = find_vma(mm,start_addr);","\tif (vma && end_addr <= vma->vm_start)\n\t\tvma = NULL;\n\treturn vma;\n}","static inline unsigned long vma_pages(struct vm_area_struct *vma)\n{\n\treturn (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;\n}","/* Look up the first VMA which exactly match the interval vm_start ... vm_end */\nstatic inline struct vm_area_struct *find_exact_vma(struct mm_struct *mm,\n\t\t\t\tunsigned long vm_start, unsigned long vm_end)\n{\n\tstruct vm_area_struct *vma = find_vma(mm, vm_start);","\tif (vma && (vma->vm_start != vm_start || vma->vm_end != vm_end))\n\t\tvma = NULL;","\treturn vma;\n}","#ifdef CONFIG_MMU\npgprot_t vm_get_page_prot(unsigned long vm_flags);\n#else\nstatic inline pgprot_t vm_get_page_prot(unsigned long vm_flags)\n{\n\treturn __pgprot(0);\n}\n#endif","#ifdef CONFIG_ARCH_USES_NUMA_PROT_NONE\nunsigned long change_prot_numa(struct vm_area_struct *vma,\n\t\t\tunsigned long start, unsigned long end);\n#endif","struct vm_area_struct *find_extend_vma(struct mm_struct *, unsigned long addr);\nint remap_pfn_range(struct vm_area_struct *, unsigned long addr,\n\t\t\tunsigned long pfn, unsigned long size, pgprot_t);\nint vm_insert_page(struct vm_area_struct *, unsigned long addr, struct page *);\nint vm_insert_pfn(struct vm_area_struct *vma, unsigned long addr,\n\t\t\tunsigned long pfn);\nint vm_insert_mixed(struct vm_area_struct *vma, unsigned long addr,\n\t\t\tunsigned long pfn);","","\nstruct page *follow_page_mask(struct vm_area_struct *vma,\n\t\t\t unsigned long address, unsigned int foll_flags,\n\t\t\t unsigned int *page_mask);","static inline struct page *follow_page(struct vm_area_struct *vma,\n\t\tunsigned long address, unsigned int foll_flags)\n{\n\tunsigned int unused_page_mask;\n\treturn follow_page_mask(vma, address, foll_flags, &unused_page_mask);\n}","#define FOLL_WRITE\t0x01\t/* check pte is writable */\n#define FOLL_TOUCH\t0x02\t/* mark page accessed */\n#define FOLL_GET\t0x04\t/* do get_page on page */\n#define FOLL_DUMP\t0x08\t/* give error on hole if it would be zero */\n#define FOLL_FORCE\t0x10\t/* get_user_pages read/write w/o permission */\n#define FOLL_NOWAIT\t0x20\t/* if a disk transfer is needed, start the IO\n\t\t\t\t * and return without waiting upon it */\n#define FOLL_MLOCK\t0x40\t/* mark page as mlocked */\n#define FOLL_SPLIT\t0x80\t/* don't return transhuge pages, split them */\n#define FOLL_HWPOISON\t0x100\t/* check page is hwpoisoned */\n#define FOLL_NUMA\t0x200\t/* force NUMA hinting page fault */\n#define FOLL_MIGRATION\t0x400\t/* wait for page to replace migration entry */","typedef int (*pte_fn_t)(pte_t *pte, pgtable_t token, unsigned long addr,\n\t\t\tvoid *data);\nextern int apply_to_page_range(struct mm_struct *mm, unsigned long address,\n\t\t\t unsigned long size, pte_fn_t fn, void *data);","#ifdef CONFIG_PROC_FS\nvoid vm_stat_account(struct mm_struct *, unsigned long, struct file *, long);\n#else\nstatic inline void vm_stat_account(struct mm_struct *mm,\n\t\t\tunsigned long flags, struct file *file, long pages)\n{\n\tmm->total_vm += pages;\n}\n#endif /* CONFIG_PROC_FS */","#ifdef CONFIG_DEBUG_PAGEALLOC\nextern void kernel_map_pages(struct page *page, int numpages, int enable);\n#ifdef CONFIG_HIBERNATION\nextern bool kernel_page_present(struct page *page);\n#endif /* CONFIG_HIBERNATION */\n#else\nstatic inline void\nkernel_map_pages(struct page *page, int numpages, int enable) {}\n#ifdef CONFIG_HIBERNATION\nstatic inline bool kernel_page_present(struct page *page) { return true; }\n#endif /* CONFIG_HIBERNATION */\n#endif","extern struct vm_area_struct *get_gate_vma(struct mm_struct *mm);\n#ifdef\t__HAVE_ARCH_GATE_AREA\nint in_gate_area_no_mm(unsigned long addr);\nint in_gate_area(struct mm_struct *mm, unsigned long addr);\n#else\nint in_gate_area_no_mm(unsigned long addr);\n#define in_gate_area(mm, addr) ({(void)mm; in_gate_area_no_mm(addr);})\n#endif\t/* __HAVE_ARCH_GATE_AREA */","int drop_caches_sysctl_handler(struct ctl_table *, int,\n\t\t\t\t\tvoid __user *, size_t *, loff_t *);\nunsigned long shrink_slab(struct shrink_control *shrink,\n\t\t\t unsigned long nr_pages_scanned,\n\t\t\t unsigned long lru_pages);","#ifndef CONFIG_MMU\n#define randomize_va_space 0\n#else\nextern int randomize_va_space;\n#endif","const char * arch_vma_name(struct vm_area_struct *vma);\nvoid print_vma_addr(char *prefix, unsigned long rip);","void sparse_mem_maps_populate_node(struct page **map_map,\n\t\t\t\t unsigned long pnum_begin,\n\t\t\t\t unsigned long pnum_end,\n\t\t\t\t unsigned long map_count,\n\t\t\t\t int nodeid);","struct page *sparse_mem_map_populate(unsigned long pnum, int nid);\npgd_t *vmemmap_pgd_populate(unsigned long addr, int node);\npud_t *vmemmap_pud_populate(pgd_t *pgd, unsigned long addr, int node);\npmd_t *vmemmap_pmd_populate(pud_t *pud, unsigned long addr, int node);\npte_t *vmemmap_pte_populate(pmd_t *pmd, unsigned long addr, int node);\nvoid *vmemmap_alloc_block(unsigned long size, int node);\nvoid *vmemmap_alloc_block_buf(unsigned long size, int node);\nvoid vmemmap_verify(pte_t *, int, unsigned long, unsigned long);\nint vmemmap_populate_basepages(struct page *start_page,\n\t\t\t\t\t\tunsigned long pages, int node);\nint vmemmap_populate(struct page *start_page, unsigned long pages, int node);\nvoid vmemmap_populate_print_last(void);\n#ifdef CONFIG_MEMORY_HOTPLUG\nvoid vmemmap_free(struct page *memmap, unsigned long nr_pages);\n#endif\nvoid register_page_bootmem_memmap(unsigned long section_nr, struct page *map,\n\t\t\t\t unsigned long size);","enum mf_flags {\n\tMF_COUNT_INCREASED = 1 << 0,\n\tMF_ACTION_REQUIRED = 1 << 1,\n\tMF_MUST_KILL = 1 << 2,\n};\nextern int memory_failure(unsigned long pfn, int trapno, int flags);\nextern void memory_failure_queue(unsigned long pfn, int trapno, int flags);\nextern int unpoison_memory(unsigned long pfn);\nextern int sysctl_memory_failure_early_kill;\nextern int sysctl_memory_failure_recovery;\nextern void shake_page(struct page *p, int access);\nextern atomic_long_t num_poisoned_pages;\nextern int soft_offline_page(struct page *page, int flags);","extern void dump_page(struct page *page);","#if defined(CONFIG_TRANSPARENT_HUGEPAGE) || defined(CONFIG_HUGETLBFS)\nextern void clear_huge_page(struct page *page,\n\t\t\t unsigned long addr,\n\t\t\t unsigned int pages_per_huge_page);\nextern void copy_user_huge_page(struct page *dst, struct page *src,\n\t\t\t\tunsigned long addr, struct vm_area_struct *vma,\n\t\t\t\tunsigned int pages_per_huge_page);\n#endif /* CONFIG_TRANSPARENT_HUGEPAGE || CONFIG_HUGETLBFS */","#ifdef CONFIG_DEBUG_PAGEALLOC\nextern unsigned int _debug_guardpage_minorder;","static inline unsigned int debug_guardpage_minorder(void)\n{\n\treturn _debug_guardpage_minorder;\n}","static inline bool page_is_guard(struct page *page)\n{\n\treturn test_bit(PAGE_DEBUG_FLAG_GUARD, &page->debug_flags);\n}\n#else\nstatic inline unsigned int debug_guardpage_minorder(void) { return 0; }\nstatic inline bool page_is_guard(struct page *page) { return false; }\n#endif /* CONFIG_DEBUG_PAGEALLOC */","#endif /* __KERNEL__ */\n#endif /* _LINUX_MM_H */"],"string":"[\n \"#ifndef _LINUX_MM_H\\n#define _LINUX_MM_H\",\n \"#include <linux/errno.h>\",\n \"#ifdef __KERNEL__\",\n \"#include <linux/gfp.h>\\n#include <linux/bug.h>\\n#include <linux/list.h>\\n#include <linux/mmzone.h>\\n#include <linux/rbtree.h>\\n#include <linux/atomic.h>\\n#include <linux/debug_locks.h>\\n#include <linux/mm_types.h>\\n#include <linux/range.h>\\n#include <linux/pfn.h>\\n#include <linux/bit_spinlock.h>\\n#include <linux/shrinker.h>\",\n \"struct mempolicy;\\nstruct anon_vma;\\nstruct anon_vma_chain;\\nstruct file_ra_state;\\nstruct user_struct;\\nstruct writeback_control;\",\n \"#ifndef CONFIG_DISCONTIGMEM /* Don't use mapnrs, do it properly */\\nextern unsigned long max_mapnr;\\n#endif\",\n \"extern unsigned long num_physpages;\\nextern unsigned long totalram_pages;\\nextern void * high_memory;\\nextern int page_cluster;\",\n \"#ifdef CONFIG_SYSCTL\\nextern int sysctl_legacy_va_layout;\\n#else\\n#define sysctl_legacy_va_layout 0\\n#endif\",\n \"#include <asm/page.h>\\n#include <asm/pgtable.h>\\n#include <asm/processor.h>\",\n \"#define nth_page(page,n) pfn_to_page(page_to_pfn((page)) + (n))\",\n \"/* to align the pointer to the (next) page boundary */\\n#define PAGE_ALIGN(addr) ALIGN(addr, PAGE_SIZE)\",\n \"/*\\n * Linux kernel virtual memory manager primitives.\\n * The idea being to have a \\\"virtual\\\" mm in the same way\\n * we have a virtual fs - giving a cleaner interface to the\\n * mm details, and allowing different kinds of memory mappings\\n * (from shared memory to executable loading to arbitrary\\n * mmap() functions).\\n */\",\n \"extern struct kmem_cache *vm_area_cachep;\",\n \"#ifndef CONFIG_MMU\\nextern struct rb_root nommu_region_tree;\\nextern struct rw_semaphore nommu_region_sem;\",\n \"extern unsigned int kobjsize(const void *objp);\\n#endif\",\n \"/*\\n * vm_flags in vm_area_struct, see mm_types.h.\\n */\\n#define VM_NONE\\t\\t0x00000000\",\n \"#define VM_READ\\t\\t0x00000001\\t/* currently active flags */\\n#define VM_WRITE\\t0x00000002\\n#define VM_EXEC\\t\\t0x00000004\\n#define VM_SHARED\\t0x00000008\",\n \"/* mprotect() hardcodes VM_MAYREAD >> 4 == VM_READ, and so for r/w/x bits. */\\n#define VM_MAYREAD\\t0x00000010\\t/* limits for mprotect() etc */\\n#define VM_MAYWRITE\\t0x00000020\\n#define VM_MAYEXEC\\t0x00000040\\n#define VM_MAYSHARE\\t0x00000080\",\n \"#define VM_GROWSDOWN\\t0x00000100\\t/* general info on the segment */\\n#define VM_PFNMAP\\t0x00000400\\t/* Page-ranges managed without \\\"struct page\\\", just pure PFN */\\n#define VM_DENYWRITE\\t0x00000800\\t/* ETXTBSY on write attempts.. */\",\n \"#define VM_LOCKED\\t0x00002000\\n#define VM_IO 0x00004000\\t/* Memory mapped I/O or similar */\",\n \"\\t\\t\\t\\t\\t/* Used by sys_madvise() */\\n#define VM_SEQ_READ\\t0x00008000\\t/* App will access data sequentially */\\n#define VM_RAND_READ\\t0x00010000\\t/* App will not benefit from clustered reads */\",\n \"#define VM_DONTCOPY\\t0x00020000 /* Do not copy this vma on fork */\\n#define VM_DONTEXPAND\\t0x00040000\\t/* Cannot expand with mremap() */\\n#define VM_ACCOUNT\\t0x00100000\\t/* Is a VM accounted object */\\n#define VM_NORESERVE\\t0x00200000\\t/* should the VM suppress accounting */\\n#define VM_HUGETLB\\t0x00400000\\t/* Huge TLB Page VM */\\n#define VM_NONLINEAR\\t0x00800000\\t/* Is non-linear (remap_file_pages) */\\n#define VM_ARCH_1\\t0x01000000\\t/* Architecture-specific flag */\\n#define VM_DONTDUMP\\t0x04000000\\t/* Do not include in the core dump */\",\n \"#define VM_MIXEDMAP\\t0x10000000\\t/* Can contain \\\"struct page\\\" and pure PFN pages */\\n#define VM_HUGEPAGE\\t0x20000000\\t/* MADV_HUGEPAGE marked this vma */\\n#define VM_NOHUGEPAGE\\t0x40000000\\t/* MADV_NOHUGEPAGE marked this vma */\\n#define VM_MERGEABLE\\t0x80000000\\t/* KSM may merge identical pages */\",\n \"#if defined(CONFIG_X86)\\n# define VM_PAT\\t\\tVM_ARCH_1\\t/* PAT reserves whole VMA at once (x86) */\\n#elif defined(CONFIG_PPC)\\n# define VM_SAO\\t\\tVM_ARCH_1\\t/* Strong Access Ordering (powerpc) */\\n#elif defined(CONFIG_PARISC)\\n# define VM_GROWSUP\\tVM_ARCH_1\\n#elif defined(CONFIG_METAG)\\n# define VM_GROWSUP\\tVM_ARCH_1\\n#elif defined(CONFIG_IA64)\\n# define VM_GROWSUP\\tVM_ARCH_1\\n#elif !defined(CONFIG_MMU)\\n# define VM_MAPPED_COPY\\tVM_ARCH_1\\t/* T if mapped copy of data (nommu mmap) */\\n#endif\",\n \"#ifndef VM_GROWSUP\\n# define VM_GROWSUP\\tVM_NONE\\n#endif\",\n \"/* Bits set in the VMA until the stack is in its final location */\\n#define VM_STACK_INCOMPLETE_SETUP\\t(VM_RAND_READ | VM_SEQ_READ)\",\n \"#ifndef VM_STACK_DEFAULT_FLAGS\\t\\t/* arch can override this */\\n#define VM_STACK_DEFAULT_FLAGS VM_DATA_DEFAULT_FLAGS\\n#endif\",\n \"#ifdef CONFIG_STACK_GROWSUP\\n#define VM_STACK_FLAGS\\t(VM_GROWSUP | VM_STACK_DEFAULT_FLAGS | VM_ACCOUNT)\\n#else\\n#define VM_STACK_FLAGS\\t(VM_GROWSDOWN | VM_STACK_DEFAULT_FLAGS | VM_ACCOUNT)\\n#endif\",\n \"#define VM_READHINTMASK\\t\\t\\t(VM_SEQ_READ | VM_RAND_READ)\\n#define VM_ClearReadHint(v)\\t\\t(v)->vm_flags &= ~VM_READHINTMASK\\n#define VM_NormalReadHint(v)\\t\\t(!((v)->vm_flags & VM_READHINTMASK))\\n#define VM_SequentialReadHint(v)\\t((v)->vm_flags & VM_SEQ_READ)\\n#define VM_RandomReadHint(v)\\t\\t((v)->vm_flags & VM_RAND_READ)\",\n \"/*\\n * Special vmas that are non-mergable, non-mlock()able.\\n * Note: mm/huge_memory.c VM_NO_THP depends on this definition.\\n */\\n#define VM_SPECIAL (VM_IO | VM_DONTEXPAND | VM_PFNMAP)\",\n \"/*\\n * mapping from the currently active vm_flags protection bits (the\\n * low four bits) to a page protection mask..\\n */\\nextern pgprot_t protection_map[16];\",\n \"#define FAULT_FLAG_WRITE\\t0x01\\t/* Fault was a write access */\\n#define FAULT_FLAG_NONLINEAR\\t0x02\\t/* Fault was via a nonlinear mapping */\\n#define FAULT_FLAG_MKWRITE\\t0x04\\t/* Fault was mkwrite of existing pte */\\n#define FAULT_FLAG_ALLOW_RETRY\\t0x08\\t/* Retry fault if blocking */\\n#define FAULT_FLAG_RETRY_NOWAIT\\t0x10\\t/* Don't drop mmap_sem and wait when retrying */\\n#define FAULT_FLAG_KILLABLE\\t0x20\\t/* The fault task is in SIGKILL killable region */\\n#define FAULT_FLAG_TRIED\\t0x40\\t/* second try */\",\n \"/*\\n * vm_fault is filled by the the pagefault handler and passed to the vma's\\n * ->fault function. The vma's ->fault is responsible for returning a bitmask\\n * of VM_FAULT_xxx flags that give details about how the fault was handled.\\n *\\n * pgoff should be used in favour of virtual_address, if possible. If pgoff\\n * is used, one may implement ->remap_pages to get nonlinear mapping support.\\n */\\nstruct vm_fault {\\n\\tunsigned int flags;\\t\\t/* FAULT_FLAG_xxx flags */\\n\\tpgoff_t pgoff;\\t\\t\\t/* Logical page offset based on vma */\\n\\tvoid __user *virtual_address;\\t/* Faulting virtual address */\",\n \"\\tstruct page *page;\\t\\t/* ->fault handlers should return a\\n\\t\\t\\t\\t\\t * page here, unless VM_FAULT_NOPAGE\\n\\t\\t\\t\\t\\t * is set (which is also implied by\\n\\t\\t\\t\\t\\t * VM_FAULT_ERROR).\\n\\t\\t\\t\\t\\t */\\n};\",\n \"/*\\n * These are the virtual MM functions - opening of an area, closing and\\n * unmapping it (needed to keep files on disk up-to-date etc), pointer\\n * to the functions called when a no-page or a wp-page exception occurs. \\n */\\nstruct vm_operations_struct {\\n\\tvoid (*open)(struct vm_area_struct * area);\\n\\tvoid (*close)(struct vm_area_struct * area);\\n\\tint (*fault)(struct vm_area_struct *vma, struct vm_fault *vmf);\",\n \"\\t/* notification that a previously read-only page is about to become\\n\\t * writable, if an error is returned it will cause a SIGBUS */\\n\\tint (*page_mkwrite)(struct vm_area_struct *vma, struct vm_fault *vmf);\",\n \"\\t/* called by access_process_vm when get_user_pages() fails, typically\\n\\t * for use by special VMAs that can switch between memory and hardware\\n\\t */\\n\\tint (*access)(struct vm_area_struct *vma, unsigned long addr,\\n\\t\\t void *buf, int len, int write);\\n#ifdef CONFIG_NUMA\\n\\t/*\\n\\t * set_policy() op must add a reference to any non-NULL @new mempolicy\\n\\t * to hold the policy upon return. Caller should pass NULL @new to\\n\\t * remove a policy and fall back to surrounding context--i.e. do not\\n\\t * install a MPOL_DEFAULT policy, nor the task or system default\\n\\t * mempolicy.\\n\\t */\\n\\tint (*set_policy)(struct vm_area_struct *vma, struct mempolicy *new);\",\n \"\\t/*\\n\\t * get_policy() op must add reference [mpol_get()] to any policy at\\n\\t * (vma,addr) marked as MPOL_SHARED. The shared policy infrastructure\\n\\t * in mm/mempolicy.c will do this automatically.\\n\\t * get_policy() must NOT add a ref if the policy at (vma,addr) is not\\n\\t * marked as MPOL_SHARED. vma policies are protected by the mmap_sem.\\n\\t * If no [shared/vma] mempolicy exists at the addr, get_policy() op\\n\\t * must return NULL--i.e., do not \\\"fallback\\\" to task or system default\\n\\t * policy.\\n\\t */\\n\\tstruct mempolicy *(*get_policy)(struct vm_area_struct *vma,\\n\\t\\t\\t\\t\\tunsigned long addr);\\n\\tint (*migrate)(struct vm_area_struct *vma, const nodemask_t *from,\\n\\t\\tconst nodemask_t *to, unsigned long flags);\\n#endif\\n\\t/* called by sys_remap_file_pages() to populate non-linear mapping */\\n\\tint (*remap_pages)(struct vm_area_struct *vma, unsigned long addr,\\n\\t\\t\\t unsigned long size, pgoff_t pgoff);\\n};\",\n \"struct mmu_gather;\\nstruct inode;\",\n \"#define page_private(page)\\t\\t((page)->private)\\n#define set_page_private(page, v)\\t((page)->private = (v))\",\n \"/* It's valid only if the page is free path or free_list */\\nstatic inline void set_freepage_migratetype(struct page *page, int migratetype)\\n{\\n\\tpage->index = migratetype;\\n}\",\n \"/* It's valid only if the page is free path or free_list */\\nstatic inline int get_freepage_migratetype(struct page *page)\\n{\\n\\treturn page->index;\\n}\",\n \"/*\\n * FIXME: take this include out, include page-flags.h in\\n * files which need it (119 of them)\\n */\\n#include <linux/page-flags.h>\\n#include <linux/huge_mm.h>\",\n \"/*\\n * Methods to modify the page usage count.\\n *\\n * What counts for a page usage:\\n * - cache mapping (page->mapping)\\n * - private data (page->private)\\n * - page mapped in a task's page tables, each mapping\\n * is counted separately\\n *\\n * Also, many kernel routines increase the page count before a critical\\n * routine so they can be sure the page doesn't go away from under them.\\n */\",\n \"/*\\n * Drop a ref, return true if the refcount fell to zero (the page has no users)\\n */\\nstatic inline int put_page_testzero(struct page *page)\\n{\\n\\tVM_BUG_ON(atomic_read(&page->_count) == 0);\\n\\treturn atomic_dec_and_test(&page->_count);\\n}\",\n \"/*\\n * Try to grab a ref unless the page has a refcount of zero, return false if\\n * that is the case.\\n */\\nstatic inline int get_page_unless_zero(struct page *page)\\n{\\n\\treturn atomic_inc_not_zero(&page->_count);\\n}\",\n \"extern int page_is_ram(unsigned long pfn);\",\n \"/* Support for virtually mapped pages */\\nstruct page *vmalloc_to_page(const void *addr);\\nunsigned long vmalloc_to_pfn(const void *addr);\",\n \"/*\\n * Determine if an address is within the vmalloc range\\n *\\n * On nommu, vmalloc/vfree wrap through kmalloc/kfree directly, so there\\n * is no special casing required.\\n */\\nstatic inline int is_vmalloc_addr(const void *x)\\n{\\n#ifdef CONFIG_MMU\\n\\tunsigned long addr = (unsigned long)x;\",\n \"\\treturn addr >= VMALLOC_START && addr < VMALLOC_END;\\n#else\\n\\treturn 0;\\n#endif\\n}\\n#ifdef CONFIG_MMU\\nextern int is_vmalloc_or_module_addr(const void *x);\\n#else\\nstatic inline int is_vmalloc_or_module_addr(const void *x)\\n{\\n\\treturn 0;\\n}\\n#endif\",\n \"static inline void compound_lock(struct page *page)\\n{\\n#ifdef CONFIG_TRANSPARENT_HUGEPAGE\\n\\tVM_BUG_ON(PageSlab(page));\\n\\tbit_spin_lock(PG_compound_lock, &page->flags);\\n#endif\\n}\",\n \"static inline void compound_unlock(struct page *page)\\n{\\n#ifdef CONFIG_TRANSPARENT_HUGEPAGE\\n\\tVM_BUG_ON(PageSlab(page));\\n\\tbit_spin_unlock(PG_compound_lock, &page->flags);\\n#endif\\n}\",\n \"static inline unsigned long compound_lock_irqsave(struct page *page)\\n{\\n\\tunsigned long uninitialized_var(flags);\\n#ifdef CONFIG_TRANSPARENT_HUGEPAGE\\n\\tlocal_irq_save(flags);\\n\\tcompound_lock(page);\\n#endif\\n\\treturn flags;\\n}\",\n \"static inline void compound_unlock_irqrestore(struct page *page,\\n\\t\\t\\t\\t\\t unsigned long flags)\\n{\\n#ifdef CONFIG_TRANSPARENT_HUGEPAGE\\n\\tcompound_unlock(page);\\n\\tlocal_irq_restore(flags);\\n#endif\\n}\",\n \"static inline struct page *compound_head(struct page *page)\\n{\\n\\tif (unlikely(PageTail(page)))\\n\\t\\treturn page->first_page;\\n\\treturn page;\\n}\",\n \"/*\\n * The atomic page->_mapcount, starts from -1: so that transitions\\n * both from it and to it can be tracked, using atomic_inc_and_test\\n * and atomic_add_negative(-1).\\n */\\nstatic inline void page_mapcount_reset(struct page *page)\\n{\\n\\tatomic_set(&(page)->_mapcount, -1);\\n}\",\n \"static inline int page_mapcount(struct page *page)\\n{\\n\\treturn atomic_read(&(page)->_mapcount) + 1;\\n}\",\n \"static inline int page_count(struct page *page)\\n{\\n\\treturn atomic_read(&compound_head(page)->_count);\\n}\",\n \"static inline void get_huge_page_tail(struct page *page)\\n{\\n\\t/*\\n\\t * __split_huge_page_refcount() cannot run\\n\\t * from under us.\\n\\t */\\n\\tVM_BUG_ON(page_mapcount(page) < 0);\\n\\tVM_BUG_ON(atomic_read(&page->_count) != 0);\\n\\tatomic_inc(&page->_mapcount);\\n}\",\n \"extern bool __get_page_tail(struct page *page);\",\n \"static inline void get_page(struct page *page)\\n{\\n\\tif (unlikely(PageTail(page)))\\n\\t\\tif (likely(__get_page_tail(page)))\\n\\t\\t\\treturn;\\n\\t/*\\n\\t * Getting a normal page or the head of a compound page\\n\\t * requires to already have an elevated page->_count.\\n\\t */\\n\\tVM_BUG_ON(atomic_read(&page->_count) <= 0);\\n\\tatomic_inc(&page->_count);\\n}\",\n \"static inline struct page *virt_to_head_page(const void *x)\\n{\\n\\tstruct page *page = virt_to_page(x);\\n\\treturn compound_head(page);\\n}\",\n \"/*\\n * Setup the page count before being freed into the page allocator for\\n * the first time (boot or memory hotplug)\\n */\\nstatic inline void init_page_count(struct page *page)\\n{\\n\\tatomic_set(&page->_count, 1);\\n}\",\n \"/*\\n * PageBuddy() indicate that the page is free and in the buddy system\\n * (see mm/page_alloc.c).\\n *\\n * PAGE_BUDDY_MAPCOUNT_VALUE must be <= -2 but better not too close to\\n * -2 so that an underflow of the page_mapcount() won't be mistaken\\n * for a genuine PAGE_BUDDY_MAPCOUNT_VALUE. -128 can be created very\\n * efficiently by most CPU architectures.\\n */\\n#define PAGE_BUDDY_MAPCOUNT_VALUE (-128)\",\n \"static inline int PageBuddy(struct page *page)\\n{\\n\\treturn atomic_read(&page->_mapcount) == PAGE_BUDDY_MAPCOUNT_VALUE;\\n}\",\n \"static inline void __SetPageBuddy(struct page *page)\\n{\\n\\tVM_BUG_ON(atomic_read(&page->_mapcount) != -1);\\n\\tatomic_set(&page->_mapcount, PAGE_BUDDY_MAPCOUNT_VALUE);\\n}\",\n \"static inline void __ClearPageBuddy(struct page *page)\\n{\\n\\tVM_BUG_ON(!PageBuddy(page));\\n\\tatomic_set(&page->_mapcount, -1);\\n}\",\n \"void put_page(struct page *page);\\nvoid put_pages_list(struct list_head *pages);\",\n \"void split_page(struct page *page, unsigned int order);\\nint split_free_page(struct page *page);\",\n \"/*\\n * Compound pages have a destructor function. Provide a\\n * prototype for that function and accessor functions.\\n * These are _only_ valid on the head of a PG_compound page.\\n */\\ntypedef void compound_page_dtor(struct page *);\",\n \"static inline void set_compound_page_dtor(struct page *page,\\n\\t\\t\\t\\t\\t\\tcompound_page_dtor *dtor)\\n{\\n\\tpage[1].lru.next = (void *)dtor;\\n}\",\n \"static inline compound_page_dtor *get_compound_page_dtor(struct page *page)\\n{\\n\\treturn (compound_page_dtor *)page[1].lru.next;\\n}\",\n \"static inline int compound_order(struct page *page)\\n{\\n\\tif (!PageHead(page))\\n\\t\\treturn 0;\\n\\treturn (unsigned long)page[1].lru.prev;\\n}\",\n \"static inline int compound_trans_order(struct page *page)\\n{\\n\\tint order;\\n\\tunsigned long flags;\",\n \"\\tif (!PageHead(page))\\n\\t\\treturn 0;\",\n \"\\tflags = compound_lock_irqsave(page);\\n\\torder = compound_order(page);\\n\\tcompound_unlock_irqrestore(page, flags);\\n\\treturn order;\\n}\",\n \"static inline void set_compound_order(struct page *page, unsigned long order)\\n{\\n\\tpage[1].lru.prev = (void *)order;\\n}\",\n \"#ifdef CONFIG_MMU\\n/*\\n * Do pte_mkwrite, but only if the vma says VM_WRITE. We do this when\\n * servicing faults for write access. In the normal case, do always want\\n * pte_mkwrite. But get_user_pages can cause write faults for mappings\\n * that do not have writing enabled, when used by access_process_vm.\\n */\\nstatic inline pte_t maybe_mkwrite(pte_t pte, struct vm_area_struct *vma)\\n{\\n\\tif (likely(vma->vm_flags & VM_WRITE))\\n\\t\\tpte = pte_mkwrite(pte);\\n\\treturn pte;\\n}\\n#endif\",\n \"/*\\n * Multiple processes may \\\"see\\\" the same page. E.g. for untouched\\n * mappings of /dev/null, all processes see the same page full of\\n * zeroes, and text pages of executables and shared libraries have\\n * only one copy in memory, at most, normally.\\n *\\n * For the non-reserved pages, page_count(page) denotes a reference count.\\n * page_count() == 0 means the page is free. page->lru is then used for\\n * freelist management in the buddy allocator.\\n * page_count() > 0 means the page has been allocated.\\n *\\n * Pages are allocated by the slab allocator in order to provide memory\\n * to kmalloc and kmem_cache_alloc. In this case, the management of the\\n * page, and the fields in 'struct page' are the responsibility of mm/slab.c\\n * unless a particular usage is carefully commented. (the responsibility of\\n * freeing the kmalloc memory is the caller's, of course).\\n *\\n * A page may be used by anyone else who does a __get_free_page().\\n * In this case, page_count still tracks the references, and should only\\n * be used through the normal accessor functions. The top bits of page->flags\\n * and page->virtual store page management information, but all other fields\\n * are unused and could be used privately, carefully. The management of this\\n * page is the responsibility of the one who allocated it, and those who have\\n * subsequently been given references to it.\\n *\\n * The other pages (we may call them \\\"pagecache pages\\\") are completely\\n * managed by the Linux memory manager: I/O, buffers, swapping etc.\\n * The following discussion applies only to them.\\n *\\n * A pagecache page contains an opaque `private' member, which belongs to the\\n * page's address_space. Usually, this is the address of a circular list of\\n * the page's disk buffers. PG_private must be set to tell the VM to call\\n * into the filesystem to release these pages.\\n *\\n * A page may belong to an inode's memory mapping. In this case, page->mapping\\n * is the pointer to the inode, and page->index is the file offset of the page,\\n * in units of PAGE_CACHE_SIZE.\\n *\\n * If pagecache pages are not associated with an inode, they are said to be\\n * anonymous pages. These may become associated with the swapcache, and in that\\n * case PG_swapcache is set, and page->private is an offset into the swapcache.\\n *\\n * In either case (swapcache or inode backed), the pagecache itself holds one\\n * reference to the page. Setting PG_private should also increment the\\n * refcount. The each user mapping also has a reference to the page.\\n *\\n * The pagecache pages are stored in a per-mapping radix tree, which is\\n * rooted at mapping->page_tree, and indexed by offset.\\n * Where 2.4 and early 2.6 kernels kept dirty/clean pages in per-address_space\\n * lists, we instead now tag pages as dirty/writeback in the radix tree.\\n *\\n * All pagecache pages may be subject to I/O:\\n * - inode pages may need to be read from disk,\\n * - inode pages which have been modified and are MAP_SHARED may need\\n * to be written back to the inode on disk,\\n * - anonymous pages (including MAP_PRIVATE file mappings) which have been\\n * modified may need to be swapped out to swap space and (later) to be read\\n * back into memory.\\n */\",\n \"/*\\n * The zone field is never updated after free_area_init_core()\\n * sets it, so none of the operations on it need to be atomic.\\n */\",\n \"/* Page flags: | [SECTION] | [NODE] | ZONE | [LAST_NID] | ... | FLAGS | */\\n#define SECTIONS_PGOFF\\t\\t((sizeof(unsigned long)*8) - SECTIONS_WIDTH)\\n#define NODES_PGOFF\\t\\t(SECTIONS_PGOFF - NODES_WIDTH)\\n#define ZONES_PGOFF\\t\\t(NODES_PGOFF - ZONES_WIDTH)\\n#define LAST_NID_PGOFF\\t\\t(ZONES_PGOFF - LAST_NID_WIDTH)\",\n \"/*\\n * Define the bit shifts to access each section. For non-existent\\n * sections we define the shift as 0; that plus a 0 mask ensures\\n * the compiler will optimise away reference to them.\\n */\\n#define SECTIONS_PGSHIFT\\t(SECTIONS_PGOFF * (SECTIONS_WIDTH != 0))\\n#define NODES_PGSHIFT\\t\\t(NODES_PGOFF * (NODES_WIDTH != 0))\\n#define ZONES_PGSHIFT\\t\\t(ZONES_PGOFF * (ZONES_WIDTH != 0))\\n#define LAST_NID_PGSHIFT\\t(LAST_NID_PGOFF * (LAST_NID_WIDTH != 0))\",\n \"/* NODE:ZONE or SECTION:ZONE is used to ID a zone for the buddy allocator */\\n#ifdef NODE_NOT_IN_PAGE_FLAGS\\n#define ZONEID_SHIFT\\t\\t(SECTIONS_SHIFT + ZONES_SHIFT)\\n#define ZONEID_PGOFF\\t\\t((SECTIONS_PGOFF < ZONES_PGOFF)? \\\\\\n\\t\\t\\t\\t\\t\\tSECTIONS_PGOFF : ZONES_PGOFF)\\n#else\\n#define ZONEID_SHIFT\\t\\t(NODES_SHIFT + ZONES_SHIFT)\\n#define ZONEID_PGOFF\\t\\t((NODES_PGOFF < ZONES_PGOFF)? \\\\\\n\\t\\t\\t\\t\\t\\tNODES_PGOFF : ZONES_PGOFF)\\n#endif\",\n \"#define ZONEID_PGSHIFT\\t\\t(ZONEID_PGOFF * (ZONEID_SHIFT != 0))\",\n \"#if SECTIONS_WIDTH+NODES_WIDTH+ZONES_WIDTH > BITS_PER_LONG - NR_PAGEFLAGS\\n#error SECTIONS_WIDTH+NODES_WIDTH+ZONES_WIDTH > BITS_PER_LONG - NR_PAGEFLAGS\\n#endif\",\n \"#define ZONES_MASK\\t\\t((1UL << ZONES_WIDTH) - 1)\\n#define NODES_MASK\\t\\t((1UL << NODES_WIDTH) - 1)\\n#define SECTIONS_MASK\\t\\t((1UL << SECTIONS_WIDTH) - 1)\\n#define LAST_NID_MASK\\t\\t((1UL << LAST_NID_WIDTH) - 1)\\n#define ZONEID_MASK\\t\\t((1UL << ZONEID_SHIFT) - 1)\",\n \"static inline enum zone_type page_zonenum(const struct page *page)\\n{\\n\\treturn (page->flags >> ZONES_PGSHIFT) & ZONES_MASK;\\n}\",\n \"#if defined(CONFIG_SPARSEMEM) && !defined(CONFIG_SPARSEMEM_VMEMMAP)\\n#define SECTION_IN_PAGE_FLAGS\\n#endif\",\n \"/*\\n * The identification function is only used by the buddy allocator for\\n * determining if two pages could be buddies. We are not really\\n * identifying a zone since we could be using a the section number\\n * id if we have not node id available in page flags.\\n * We guarantee only that it will return the same value for two\\n * combinable pages in a zone.\\n */\\nstatic inline int page_zone_id(struct page *page)\\n{\\n\\treturn (page->flags >> ZONEID_PGSHIFT) & ZONEID_MASK;\\n}\",\n \"static inline int zone_to_nid(struct zone *zone)\\n{\\n#ifdef CONFIG_NUMA\\n\\treturn zone->node;\\n#else\\n\\treturn 0;\\n#endif\\n}\",\n \"#ifdef NODE_NOT_IN_PAGE_FLAGS\\nextern int page_to_nid(const struct page *page);\\n#else\\nstatic inline int page_to_nid(const struct page *page)\\n{\\n\\treturn (page->flags >> NODES_PGSHIFT) & NODES_MASK;\\n}\\n#endif\",\n \"#ifdef CONFIG_NUMA_BALANCING\\n#ifdef LAST_NID_NOT_IN_PAGE_FLAGS\\nstatic inline int page_nid_xchg_last(struct page *page, int nid)\\n{\\n\\treturn xchg(&page->_last_nid, nid);\\n}\",\n \"static inline int page_nid_last(struct page *page)\\n{\\n\\treturn page->_last_nid;\\n}\\nstatic inline void page_nid_reset_last(struct page *page)\\n{\\n\\tpage->_last_nid = -1;\\n}\\n#else\\nstatic inline int page_nid_last(struct page *page)\\n{\\n\\treturn (page->flags >> LAST_NID_PGSHIFT) & LAST_NID_MASK;\\n}\",\n \"extern int page_nid_xchg_last(struct page *page, int nid);\",\n \"static inline void page_nid_reset_last(struct page *page)\\n{\\n\\tint nid = (1 << LAST_NID_SHIFT) - 1;\",\n \"\\tpage->flags &= ~(LAST_NID_MASK << LAST_NID_PGSHIFT);\\n\\tpage->flags |= (nid & LAST_NID_MASK) << LAST_NID_PGSHIFT;\\n}\\n#endif /* LAST_NID_NOT_IN_PAGE_FLAGS */\\n#else\\nstatic inline int page_nid_xchg_last(struct page *page, int nid)\\n{\\n\\treturn page_to_nid(page);\\n}\",\n \"static inline int page_nid_last(struct page *page)\\n{\\n\\treturn page_to_nid(page);\\n}\",\n \"static inline void page_nid_reset_last(struct page *page)\\n{\\n}\\n#endif\",\n \"static inline struct zone *page_zone(const struct page *page)\\n{\\n\\treturn &NODE_DATA(page_to_nid(page))->node_zones[page_zonenum(page)];\\n}\",\n \"#ifdef SECTION_IN_PAGE_FLAGS\\nstatic inline void set_page_section(struct page *page, unsigned long section)\\n{\\n\\tpage->flags &= ~(SECTIONS_MASK << SECTIONS_PGSHIFT);\\n\\tpage->flags |= (section & SECTIONS_MASK) << SECTIONS_PGSHIFT;\\n}\",\n \"static inline unsigned long page_to_section(const struct page *page)\\n{\\n\\treturn (page->flags >> SECTIONS_PGSHIFT) & SECTIONS_MASK;\\n}\\n#endif\",\n \"static inline void set_page_zone(struct page *page, enum zone_type zone)\\n{\\n\\tpage->flags &= ~(ZONES_MASK << ZONES_PGSHIFT);\\n\\tpage->flags |= (zone & ZONES_MASK) << ZONES_PGSHIFT;\\n}\",\n \"static inline void set_page_node(struct page *page, unsigned long node)\\n{\\n\\tpage->flags &= ~(NODES_MASK << NODES_PGSHIFT);\\n\\tpage->flags |= (node & NODES_MASK) << NODES_PGSHIFT;\\n}\",\n \"static inline void set_page_links(struct page *page, enum zone_type zone,\\n\\tunsigned long node, unsigned long pfn)\\n{\\n\\tset_page_zone(page, zone);\\n\\tset_page_node(page, node);\\n#ifdef SECTION_IN_PAGE_FLAGS\\n\\tset_page_section(page, pfn_to_section_nr(pfn));\\n#endif\\n}\",\n \"/*\\n * Some inline functions in vmstat.h depend on page_zone()\\n */\\n#include <linux/vmstat.h>\",\n \"static __always_inline void *lowmem_page_address(const struct page *page)\\n{\\n\\treturn __va(PFN_PHYS(page_to_pfn(page)));\\n}\",\n \"#if defined(CONFIG_HIGHMEM) && !defined(WANT_PAGE_VIRTUAL)\\n#define HASHED_PAGE_VIRTUAL\\n#endif\",\n \"#if defined(WANT_PAGE_VIRTUAL)\\n#define page_address(page) ((page)->virtual)\\n#define set_page_address(page, address)\\t\\t\\t\\\\\\n\\tdo {\\t\\t\\t\\t\\t\\t\\\\\\n\\t\\t(page)->virtual = (address);\\t\\t\\\\\\n\\t} while(0)\\n#define page_address_init() do { } while(0)\\n#endif\",\n \"#if defined(HASHED_PAGE_VIRTUAL)\\nvoid *page_address(const struct page *page);\\nvoid set_page_address(struct page *page, void *virtual);\\nvoid page_address_init(void);\\n#endif\",\n \"#if !defined(HASHED_PAGE_VIRTUAL) && !defined(WANT_PAGE_VIRTUAL)\\n#define page_address(page) lowmem_page_address(page)\\n#define set_page_address(page, address) do { } while(0)\\n#define page_address_init() do { } while(0)\\n#endif\",\n \"/*\\n * On an anonymous page mapped into a user virtual memory area,\\n * page->mapping points to its anon_vma, not to a struct address_space;\\n * with the PAGE_MAPPING_ANON bit set to distinguish it. See rmap.h.\\n *\\n * On an anonymous page in a VM_MERGEABLE area, if CONFIG_KSM is enabled,\\n * the PAGE_MAPPING_KSM bit may be set along with the PAGE_MAPPING_ANON bit;\\n * and then page->mapping points, not to an anon_vma, but to a private\\n * structure which KSM associates with that merged page. See ksm.h.\\n *\\n * PAGE_MAPPING_KSM without PAGE_MAPPING_ANON is currently never used.\\n *\\n * Please note that, confusingly, \\\"page_mapping\\\" refers to the inode\\n * address_space which maps the page from disk; whereas \\\"page_mapped\\\"\\n * refers to user virtual address space into which the page is mapped.\\n */\\n#define PAGE_MAPPING_ANON\\t1\\n#define PAGE_MAPPING_KSM\\t2\\n#define PAGE_MAPPING_FLAGS\\t(PAGE_MAPPING_ANON | PAGE_MAPPING_KSM)\",\n \"extern struct address_space *page_mapping(struct page *page);\",\n \"/* Neutral page->mapping pointer to address_space or anon_vma or other */\\nstatic inline void *page_rmapping(struct page *page)\\n{\\n\\treturn (void *)((unsigned long)page->mapping & ~PAGE_MAPPING_FLAGS);\\n}\",\n \"extern struct address_space *__page_file_mapping(struct page *);\",\n \"static inline\\nstruct address_space *page_file_mapping(struct page *page)\\n{\\n\\tif (unlikely(PageSwapCache(page)))\\n\\t\\treturn __page_file_mapping(page);\",\n \"\\treturn page->mapping;\\n}\",\n \"static inline int PageAnon(struct page *page)\\n{\\n\\treturn ((unsigned long)page->mapping & PAGE_MAPPING_ANON) != 0;\\n}\",\n \"/*\\n * Return the pagecache index of the passed page. Regular pagecache pages\\n * use ->index whereas swapcache pages use ->private\\n */\\nstatic inline pgoff_t page_index(struct page *page)\\n{\\n\\tif (unlikely(PageSwapCache(page)))\\n\\t\\treturn page_private(page);\\n\\treturn page->index;\\n}\",\n \"extern pgoff_t __page_file_index(struct page *page);\",\n \"/*\\n * Return the file index of the page. Regular pagecache pages use ->index\\n * whereas swapcache pages use swp_offset(->private)\\n */\\nstatic inline pgoff_t page_file_index(struct page *page)\\n{\\n\\tif (unlikely(PageSwapCache(page)))\\n\\t\\treturn __page_file_index(page);\",\n \"\\treturn page->index;\\n}\",\n \"/*\\n * Return true if this page is mapped into pagetables.\\n */\\nstatic inline int page_mapped(struct page *page)\\n{\\n\\treturn atomic_read(&(page)->_mapcount) >= 0;\\n}\",\n \"/*\\n * Different kinds of faults, as returned by handle_mm_fault().\\n * Used to decide whether a process gets delivered SIGBUS or\\n * just gets major/minor fault counters bumped up.\\n */\",\n \"#define VM_FAULT_MINOR\\t0 /* For backwards compat. Remove me quickly. */\",\n \"#define VM_FAULT_OOM\\t0x0001\\n#define VM_FAULT_SIGBUS\\t0x0002\\n#define VM_FAULT_MAJOR\\t0x0004\\n#define VM_FAULT_WRITE\\t0x0008\\t/* Special case for get_user_pages */\\n#define VM_FAULT_HWPOISON 0x0010\\t/* Hit poisoned small page */\\n#define VM_FAULT_HWPOISON_LARGE 0x0020 /* Hit poisoned large page. Index encoded in upper bits */\",\n \"#define VM_FAULT_NOPAGE\\t0x0100\\t/* ->fault installed the pte, not return page */\\n#define VM_FAULT_LOCKED\\t0x0200\\t/* ->fault locked the returned page */\\n#define VM_FAULT_RETRY\\t0x0400\\t/* ->fault blocked, must retry */\",\n \"#define VM_FAULT_HWPOISON_LARGE_MASK 0xf000 /* encodes hpage index for large hwpoison */\",\n \"#define VM_FAULT_ERROR\\t(VM_FAULT_OOM | VM_FAULT_SIGBUS | VM_FAULT_HWPOISON | \\\\\\n\\t\\t\\t VM_FAULT_HWPOISON_LARGE)\",\n \"/* Encode hstate index for a hwpoisoned large page */\\n#define VM_FAULT_SET_HINDEX(x) ((x) << 12)\\n#define VM_FAULT_GET_HINDEX(x) (((x) >> 12) & 0xf)\",\n \"/*\\n * Can be called by the pagefault handler when it gets a VM_FAULT_OOM.\\n */\\nextern void pagefault_out_of_memory(void);\",\n \"#define offset_in_page(p)\\t((unsigned long)(p) & ~PAGE_MASK)\",\n \"/*\\n * Flags passed to show_mem() and show_free_areas() to suppress output in\\n * various contexts.\\n */\\n#define SHOW_MEM_FILTER_NODES\\t(0x0001u)\\t/* filter disallowed nodes */\",\n \"extern void show_free_areas(unsigned int flags);\\nextern bool skip_free_areas_node(unsigned int flags, int nid);\",\n \"int shmem_zero_setup(struct vm_area_struct *);\",\n \"extern int can_do_mlock(void);\\nextern int user_shm_lock(size_t, struct user_struct *);\\nextern void user_shm_unlock(size_t, struct user_struct *);\",\n \"/*\\n * Parameter block passed down to zap_pte_range in exceptional cases.\\n */\\nstruct zap_details {\\n\\tstruct vm_area_struct *nonlinear_vma;\\t/* Check page->index if set */\\n\\tstruct address_space *check_mapping;\\t/* Check page->mapping if set */\\n\\tpgoff_t\\tfirst_index;\\t\\t\\t/* Lowest page->index to unmap */\\n\\tpgoff_t last_index;\\t\\t\\t/* Highest page->index to unmap */\\n};\",\n \"struct page *vm_normal_page(struct vm_area_struct *vma, unsigned long addr,\\n\\t\\tpte_t pte);\",\n \"int zap_vma_ptes(struct vm_area_struct *vma, unsigned long address,\\n\\t\\tunsigned long size);\\nvoid zap_page_range(struct vm_area_struct *vma, unsigned long address,\\n\\t\\tunsigned long size, struct zap_details *);\\nvoid unmap_vmas(struct mmu_gather *tlb, struct vm_area_struct *start_vma,\\n\\t\\tunsigned long start, unsigned long end);\",\n \"/**\\n * mm_walk - callbacks for walk_page_range\\n * @pgd_entry: if set, called for each non-empty PGD (top-level) entry\\n * @pud_entry: if set, called for each non-empty PUD (2nd-level) entry\\n * @pmd_entry: if set, called for each non-empty PMD (3rd-level) entry\\n *\\t this handler is required to be able to handle\\n *\\t pmd_trans_huge() pmds. They may simply choose to\\n *\\t split_huge_page() instead of handling it explicitly.\\n * @pte_entry: if set, called for each non-empty PTE (4th-level) entry\\n * @pte_hole: if set, called for each hole at all levels\\n * @hugetlb_entry: if set, called for each hugetlb entry\\n *\\t\\t *Caution*: The caller must hold mmap_sem() if @hugetlb_entry\\n * \\t\\t\\t is used.\\n *\\n * (see walk_page_range for more details)\\n */\\nstruct mm_walk {\\n\\tint (*pgd_entry)(pgd_t *, unsigned long, unsigned long, struct mm_walk *);\\n\\tint (*pud_entry)(pud_t *, unsigned long, unsigned long, struct mm_walk *);\\n\\tint (*pmd_entry)(pmd_t *, unsigned long, unsigned long, struct mm_walk *);\\n\\tint (*pte_entry)(pte_t *, unsigned long, unsigned long, struct mm_walk *);\\n\\tint (*pte_hole)(unsigned long, unsigned long, struct mm_walk *);\\n\\tint (*hugetlb_entry)(pte_t *, unsigned long,\\n\\t\\t\\t unsigned long, unsigned long, struct mm_walk *);\\n\\tstruct mm_struct *mm;\\n\\tvoid *private;\\n};\",\n \"int walk_page_range(unsigned long addr, unsigned long end,\\n\\t\\tstruct mm_walk *walk);\\nvoid free_pgd_range(struct mmu_gather *tlb, unsigned long addr,\\n\\t\\tunsigned long end, unsigned long floor, unsigned long ceiling);\\nint copy_page_range(struct mm_struct *dst, struct mm_struct *src,\\n\\t\\t\\tstruct vm_area_struct *vma);\\nvoid unmap_mapping_range(struct address_space *mapping,\\n\\t\\tloff_t const holebegin, loff_t const holelen, int even_cows);\\nint follow_pfn(struct vm_area_struct *vma, unsigned long address,\\n\\tunsigned long *pfn);\\nint follow_phys(struct vm_area_struct *vma, unsigned long address,\\n\\t\\tunsigned int flags, unsigned long *prot, resource_size_t *phys);\\nint generic_access_phys(struct vm_area_struct *vma, unsigned long addr,\\n\\t\\t\\tvoid *buf, int len, int write);\",\n \"static inline void unmap_shared_mapping_range(struct address_space *mapping,\\n\\t\\tloff_t const holebegin, loff_t const holelen)\\n{\\n\\tunmap_mapping_range(mapping, holebegin, holelen, 0);\\n}\",\n \"extern void truncate_pagecache(struct inode *inode, loff_t old, loff_t new);\\nextern void truncate_setsize(struct inode *inode, loff_t newsize);\\nvoid truncate_pagecache_range(struct inode *inode, loff_t offset, loff_t end);\\nint truncate_inode_page(struct address_space *mapping, struct page *page);\\nint generic_error_remove_page(struct address_space *mapping, struct page *page);\\nint invalidate_inode_page(struct page *page);\",\n \"#ifdef CONFIG_MMU\\nextern int handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma,\\n\\t\\t\\tunsigned long address, unsigned int flags);\\nextern int fixup_user_fault(struct task_struct *tsk, struct mm_struct *mm,\\n\\t\\t\\t unsigned long address, unsigned int fault_flags);\\n#else\\nstatic inline int handle_mm_fault(struct mm_struct *mm,\\n\\t\\t\\tstruct vm_area_struct *vma, unsigned long address,\\n\\t\\t\\tunsigned int flags)\\n{\\n\\t/* should never happen if there's no MMU */\\n\\tBUG();\\n\\treturn VM_FAULT_SIGBUS;\\n}\\nstatic inline int fixup_user_fault(struct task_struct *tsk,\\n\\t\\tstruct mm_struct *mm, unsigned long address,\\n\\t\\tunsigned int fault_flags)\\n{\\n\\t/* should never happen if there's no MMU */\\n\\tBUG();\\n\\treturn -EFAULT;\\n}\\n#endif\",\n \"extern int access_process_vm(struct task_struct *tsk, unsigned long addr, void *buf, int len, int write);\\nextern int access_remote_vm(struct mm_struct *mm, unsigned long addr,\\n\\t\\tvoid *buf, int len, int write);\",\n \"long __get_user_pages(struct task_struct *tsk, struct mm_struct *mm,\\n\\t\\t unsigned long start, unsigned long nr_pages,\\n\\t\\t unsigned int foll_flags, struct page **pages,\\n\\t\\t struct vm_area_struct **vmas, int *nonblocking);\\nlong get_user_pages(struct task_struct *tsk, struct mm_struct *mm,\\n\\t\\t unsigned long start, unsigned long nr_pages,\\n\\t\\t int write, int force, struct page **pages,\\n\\t\\t struct vm_area_struct **vmas);\\nint get_user_pages_fast(unsigned long start, int nr_pages, int write,\\n\\t\\t\\tstruct page **pages);\\nstruct kvec;\\nint get_kernel_pages(const struct kvec *iov, int nr_pages, int write,\\n\\t\\t\\tstruct page **pages);\\nint get_kernel_page(unsigned long start, int write, struct page **pages);\\nstruct page *get_dump_page(unsigned long addr);\",\n \"extern int try_to_release_page(struct page * page, gfp_t gfp_mask);\\nextern void do_invalidatepage(struct page *page, unsigned long offset);\",\n \"int __set_page_dirty_nobuffers(struct page *page);\\nint __set_page_dirty_no_writeback(struct page *page);\\nint redirty_page_for_writepage(struct writeback_control *wbc,\\n\\t\\t\\t\\tstruct page *page);\\nvoid account_page_dirtied(struct page *page, struct address_space *mapping);\\nvoid account_page_writeback(struct page *page);\\nint set_page_dirty(struct page *page);\\nint set_page_dirty_lock(struct page *page);\\nint clear_page_dirty_for_io(struct page *page);\",\n \"/* Is the vma a continuation of the stack vma above it? */\\nstatic inline int vma_growsdown(struct vm_area_struct *vma, unsigned long addr)\\n{\\n\\treturn vma && (vma->vm_end == addr) && (vma->vm_flags & VM_GROWSDOWN);\\n}\",\n \"static inline int stack_guard_page_start(struct vm_area_struct *vma,\\n\\t\\t\\t\\t\\t unsigned long addr)\\n{\\n\\treturn (vma->vm_flags & VM_GROWSDOWN) &&\\n\\t\\t(vma->vm_start == addr) &&\\n\\t\\t!vma_growsdown(vma->vm_prev, addr);\\n}\",\n \"/* Is the vma a continuation of the stack vma below it? */\\nstatic inline int vma_growsup(struct vm_area_struct *vma, unsigned long addr)\\n{\\n\\treturn vma && (vma->vm_start == addr) && (vma->vm_flags & VM_GROWSUP);\\n}\",\n \"static inline int stack_guard_page_end(struct vm_area_struct *vma,\\n\\t\\t\\t\\t\\t unsigned long addr)\\n{\\n\\treturn (vma->vm_flags & VM_GROWSUP) &&\\n\\t\\t(vma->vm_end == addr) &&\\n\\t\\t!vma_growsup(vma->vm_next, addr);\\n}\",\n \"extern pid_t\\nvm_is_stack(struct task_struct *task, struct vm_area_struct *vma, int in_group);\",\n \"extern unsigned long move_page_tables(struct vm_area_struct *vma,\\n\\t\\tunsigned long old_addr, struct vm_area_struct *new_vma,\\n\\t\\tunsigned long new_addr, unsigned long len,\\n\\t\\tbool need_rmap_locks);\\nextern unsigned long do_mremap(unsigned long addr,\\n\\t\\t\\t unsigned long old_len, unsigned long new_len,\\n\\t\\t\\t unsigned long flags, unsigned long new_addr);\\nextern unsigned long change_protection(struct vm_area_struct *vma, unsigned long start,\\n\\t\\t\\t unsigned long end, pgprot_t newprot,\\n\\t\\t\\t int dirty_accountable, int prot_numa);\\nextern int mprotect_fixup(struct vm_area_struct *vma,\\n\\t\\t\\t struct vm_area_struct **pprev, unsigned long start,\\n\\t\\t\\t unsigned long end, unsigned long newflags);\",\n \"/*\\n * doesn't attempt to fault and will return short.\\n */\\nint __get_user_pages_fast(unsigned long start, int nr_pages, int write,\\n\\t\\t\\t struct page **pages);\\n/*\\n * per-process(per-mm_struct) statistics.\\n */\\nstatic inline unsigned long get_mm_counter(struct mm_struct *mm, int member)\\n{\\n\\tlong val = atomic_long_read(&mm->rss_stat.count[member]);\",\n \"#ifdef SPLIT_RSS_COUNTING\\n\\t/*\\n\\t * counter is updated in asynchronous manner and may go to minus.\\n\\t * But it's never be expected number for users.\\n\\t */\\n\\tif (val < 0)\\n\\t\\tval = 0;\\n#endif\\n\\treturn (unsigned long)val;\\n}\",\n \"static inline void add_mm_counter(struct mm_struct *mm, int member, long value)\\n{\\n\\tatomic_long_add(value, &mm->rss_stat.count[member]);\\n}\",\n \"static inline void inc_mm_counter(struct mm_struct *mm, int member)\\n{\\n\\tatomic_long_inc(&mm->rss_stat.count[member]);\\n}\",\n \"static inline void dec_mm_counter(struct mm_struct *mm, int member)\\n{\\n\\tatomic_long_dec(&mm->rss_stat.count[member]);\\n}\",\n \"static inline unsigned long get_mm_rss(struct mm_struct *mm)\\n{\\n\\treturn get_mm_counter(mm, MM_FILEPAGES) +\\n\\t\\tget_mm_counter(mm, MM_ANONPAGES);\\n}\",\n \"static inline unsigned long get_mm_hiwater_rss(struct mm_struct *mm)\\n{\\n\\treturn max(mm->hiwater_rss, get_mm_rss(mm));\\n}\",\n \"static inline unsigned long get_mm_hiwater_vm(struct mm_struct *mm)\\n{\\n\\treturn max(mm->hiwater_vm, mm->total_vm);\\n}\",\n \"static inline void update_hiwater_rss(struct mm_struct *mm)\\n{\\n\\tunsigned long _rss = get_mm_rss(mm);\",\n \"\\tif ((mm)->hiwater_rss < _rss)\\n\\t\\t(mm)->hiwater_rss = _rss;\\n}\",\n \"static inline void update_hiwater_vm(struct mm_struct *mm)\\n{\\n\\tif (mm->hiwater_vm < mm->total_vm)\\n\\t\\tmm->hiwater_vm = mm->total_vm;\\n}\",\n \"static inline void setmax_mm_hiwater_rss(unsigned long *maxrss,\\n\\t\\t\\t\\t\\t struct mm_struct *mm)\\n{\\n\\tunsigned long hiwater_rss = get_mm_hiwater_rss(mm);\",\n \"\\tif (*maxrss < hiwater_rss)\\n\\t\\t*maxrss = hiwater_rss;\\n}\",\n \"#if defined(SPLIT_RSS_COUNTING)\\nvoid sync_mm_rss(struct mm_struct *mm);\\n#else\\nstatic inline void sync_mm_rss(struct mm_struct *mm)\\n{\\n}\\n#endif\",\n \"int vma_wants_writenotify(struct vm_area_struct *vma);\",\n \"extern pte_t *__get_locked_pte(struct mm_struct *mm, unsigned long addr,\\n\\t\\t\\t spinlock_t **ptl);\\nstatic inline pte_t *get_locked_pte(struct mm_struct *mm, unsigned long addr,\\n\\t\\t\\t\\t spinlock_t **ptl)\\n{\\n\\tpte_t *ptep;\\n\\t__cond_lock(*ptl, ptep = __get_locked_pte(mm, addr, ptl));\\n\\treturn ptep;\\n}\",\n \"#ifdef __PAGETABLE_PUD_FOLDED\\nstatic inline int __pud_alloc(struct mm_struct *mm, pgd_t *pgd,\\n\\t\\t\\t\\t\\t\\tunsigned long address)\\n{\\n\\treturn 0;\\n}\\n#else\\nint __pud_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long address);\\n#endif\",\n \"#ifdef __PAGETABLE_PMD_FOLDED\\nstatic inline int __pmd_alloc(struct mm_struct *mm, pud_t *pud,\\n\\t\\t\\t\\t\\t\\tunsigned long address)\\n{\\n\\treturn 0;\\n}\\n#else\\nint __pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long address);\\n#endif\",\n \"int __pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma,\\n\\t\\tpmd_t *pmd, unsigned long address);\\nint __pte_alloc_kernel(pmd_t *pmd, unsigned long address);\",\n \"/*\\n * The following ifdef needed to get the 4level-fixup.h header to work.\\n * Remove it when 4level-fixup.h has been removed.\\n */\\n#if defined(CONFIG_MMU) && !defined(__ARCH_HAS_4LEVEL_HACK)\\nstatic inline pud_t *pud_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long address)\\n{\\n\\treturn (unlikely(pgd_none(*pgd)) && __pud_alloc(mm, pgd, address))?\\n\\t\\tNULL: pud_offset(pgd, address);\\n}\",\n \"static inline pmd_t *pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long address)\\n{\\n\\treturn (unlikely(pud_none(*pud)) && __pmd_alloc(mm, pud, address))?\\n\\t\\tNULL: pmd_offset(pud, address);\\n}\\n#endif /* CONFIG_MMU && !__ARCH_HAS_4LEVEL_HACK */\",\n \"#if USE_SPLIT_PTLOCKS\\n/*\\n * We tuck a spinlock to guard each pagetable page into its struct page,\\n * at page->private, with BUILD_BUG_ON to make sure that this will not\\n * overflow into the next struct page (as it might with DEBUG_SPINLOCK).\\n * When freeing, reset page->mapping so free_pages_check won't complain.\\n */\\n#define __pte_lockptr(page)\\t&((page)->ptl)\\n#define pte_lock_init(_page)\\tdo {\\t\\t\\t\\t\\t\\\\\\n\\tspin_lock_init(__pte_lockptr(_page));\\t\\t\\t\\t\\\\\\n} while (0)\\n#define pte_lock_deinit(page)\\t((page)->mapping = NULL)\\n#define pte_lockptr(mm, pmd)\\t({(void)(mm); __pte_lockptr(pmd_page(*(pmd)));})\\n#else\\t/* !USE_SPLIT_PTLOCKS */\\n/*\\n * We use mm->page_table_lock to guard all pagetable pages of the mm.\\n */\\n#define pte_lock_init(page)\\tdo {} while (0)\\n#define pte_lock_deinit(page)\\tdo {} while (0)\\n#define pte_lockptr(mm, pmd)\\t({(void)(pmd); &(mm)->page_table_lock;})\\n#endif /* USE_SPLIT_PTLOCKS */\",\n \"static inline void pgtable_page_ctor(struct page *page)\\n{\\n\\tpte_lock_init(page);\\n\\tinc_zone_page_state(page, NR_PAGETABLE);\\n}\",\n \"static inline void pgtable_page_dtor(struct page *page)\\n{\\n\\tpte_lock_deinit(page);\\n\\tdec_zone_page_state(page, NR_PAGETABLE);\\n}\",\n \"#define pte_offset_map_lock(mm, pmd, address, ptlp)\\t\\\\\\n({\\t\\t\\t\\t\\t\\t\\t\\\\\\n\\tspinlock_t *__ptl = pte_lockptr(mm, pmd);\\t\\\\\\n\\tpte_t *__pte = pte_offset_map(pmd, address);\\t\\\\\\n\\t*(ptlp) = __ptl;\\t\\t\\t\\t\\\\\\n\\tspin_lock(__ptl);\\t\\t\\t\\t\\\\\\n\\t__pte;\\t\\t\\t\\t\\t\\t\\\\\\n})\",\n \"#define pte_unmap_unlock(pte, ptl)\\tdo {\\t\\t\\\\\\n\\tspin_unlock(ptl);\\t\\t\\t\\t\\\\\\n\\tpte_unmap(pte);\\t\\t\\t\\t\\t\\\\\\n} while (0)\",\n \"#define pte_alloc_map(mm, vma, pmd, address)\\t\\t\\t\\t\\\\\\n\\t((unlikely(pmd_none(*(pmd))) && __pte_alloc(mm, vma,\\t\\\\\\n\\t\\t\\t\\t\\t\\t\\tpmd, address))?\\t\\\\\\n\\t NULL: pte_offset_map(pmd, address))\",\n \"#define pte_alloc_map_lock(mm, pmd, address, ptlp)\\t\\\\\\n\\t((unlikely(pmd_none(*(pmd))) && __pte_alloc(mm, NULL,\\t\\\\\\n\\t\\t\\t\\t\\t\\t\\tpmd, address))?\\t\\\\\\n\\t\\tNULL: pte_offset_map_lock(mm, pmd, address, ptlp))\",\n \"#define pte_alloc_kernel(pmd, address)\\t\\t\\t\\\\\\n\\t((unlikely(pmd_none(*(pmd))) && __pte_alloc_kernel(pmd, address))? \\\\\\n\\t\\tNULL: pte_offset_kernel(pmd, address))\",\n \"extern void free_area_init(unsigned long * zones_size);\\nextern void free_area_init_node(int nid, unsigned long * zones_size,\\n\\t\\tunsigned long zone_start_pfn, unsigned long *zholes_size);\\nextern void free_initmem(void);\",\n \"#ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP\\n/*\\n * With CONFIG_HAVE_MEMBLOCK_NODE_MAP set, an architecture may initialise its\\n * zones, allocate the backing mem_map and account for memory holes in a more\\n * architecture independent manner. This is a substitute for creating the\\n * zone_sizes[] and zholes_size[] arrays and passing them to\\n * free_area_init_node()\\n *\\n * An architecture is expected to register range of page frames backed by\\n * physical memory with memblock_add[_node]() before calling\\n * free_area_init_nodes() passing in the PFN each zone ends at. At a basic\\n * usage, an architecture is expected to do something like\\n *\\n * unsigned long max_zone_pfns[MAX_NR_ZONES] = {max_dma, max_normal_pfn,\\n * \\t\\t\\t\\t\\t\\t\\t max_highmem_pfn};\\n * for_each_valid_physical_page_range()\\n * \\tmemblock_add_node(base, size, nid)\\n * free_area_init_nodes(max_zone_pfns);\\n *\\n * free_bootmem_with_active_regions() calls free_bootmem_node() for each\\n * registered physical page range. Similarly\\n * sparse_memory_present_with_active_regions() calls memory_present() for\\n * each range when SPARSEMEM is enabled.\\n *\\n * See mm/page_alloc.c for more information on each function exposed by\\n * CONFIG_HAVE_MEMBLOCK_NODE_MAP.\\n */\\nextern void free_area_init_nodes(unsigned long *max_zone_pfn);\\nunsigned long node_map_pfn_alignment(void);\\nunsigned long __absent_pages_in_range(int nid, unsigned long start_pfn,\\n\\t\\t\\t\\t\\t\\tunsigned long end_pfn);\\nextern unsigned long absent_pages_in_range(unsigned long start_pfn,\\n\\t\\t\\t\\t\\t\\tunsigned long end_pfn);\\nextern void get_pfn_range_for_nid(unsigned int nid,\\n\\t\\t\\tunsigned long *start_pfn, unsigned long *end_pfn);\\nextern unsigned long find_min_pfn_with_active_regions(void);\\nextern void free_bootmem_with_active_regions(int nid,\\n\\t\\t\\t\\t\\t\\tunsigned long max_low_pfn);\\nextern void sparse_memory_present_with_active_regions(int nid);\",\n \"#endif /* CONFIG_HAVE_MEMBLOCK_NODE_MAP */\",\n \"#if !defined(CONFIG_HAVE_MEMBLOCK_NODE_MAP) && \\\\\\n !defined(CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID)\\nstatic inline int __early_pfn_to_nid(unsigned long pfn)\\n{\\n\\treturn 0;\\n}\\n#else\\n/* please see mm/page_alloc.c */\\nextern int __meminit early_pfn_to_nid(unsigned long pfn);\\n#ifdef CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID\\n/* there is a per-arch backend function. */\\nextern int __meminit __early_pfn_to_nid(unsigned long pfn);\\n#endif /* CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID */\\n#endif\",\n \"extern void set_dma_reserve(unsigned long new_dma_reserve);\\nextern void memmap_init_zone(unsigned long, int, unsigned long,\\n\\t\\t\\t\\tunsigned long, enum memmap_context);\\nextern void setup_per_zone_wmarks(void);\\nextern int __meminit init_per_zone_wmark_min(void);\\nextern void mem_init(void);\\nextern void __init mmap_init(void);\\nextern void show_mem(unsigned int flags);\\nextern void si_meminfo(struct sysinfo * val);\\nextern void si_meminfo_node(struct sysinfo *val, int nid);\",\n \"extern __printf(3, 4)\\nvoid warn_alloc_failed(gfp_t gfp_mask, int order, const char *fmt, ...);\",\n \"extern void setup_per_cpu_pageset(void);\",\n \"extern void zone_pcp_update(struct zone *zone);\\nextern void zone_pcp_reset(struct zone *zone);\",\n \"/* page_alloc.c */\\nextern int min_free_kbytes;\",\n \"/* nommu.c */\\nextern atomic_long_t mmap_pages_allocated;\\nextern int nommu_shrink_inode_mappings(struct inode *, size_t, size_t);\",\n \"/* interval_tree.c */\\nvoid vma_interval_tree_insert(struct vm_area_struct *node,\\n\\t\\t\\t struct rb_root *root);\\nvoid vma_interval_tree_insert_after(struct vm_area_struct *node,\\n\\t\\t\\t\\t struct vm_area_struct *prev,\\n\\t\\t\\t\\t struct rb_root *root);\\nvoid vma_interval_tree_remove(struct vm_area_struct *node,\\n\\t\\t\\t struct rb_root *root);\\nstruct vm_area_struct *vma_interval_tree_iter_first(struct rb_root *root,\\n\\t\\t\\t\\tunsigned long start, unsigned long last);\\nstruct vm_area_struct *vma_interval_tree_iter_next(struct vm_area_struct *node,\\n\\t\\t\\t\\tunsigned long start, unsigned long last);\",\n \"#define vma_interval_tree_foreach(vma, root, start, last)\\t\\t\\\\\\n\\tfor (vma = vma_interval_tree_iter_first(root, start, last);\\t\\\\\\n\\t vma; vma = vma_interval_tree_iter_next(vma, start, last))\",\n \"static inline void vma_nonlinear_insert(struct vm_area_struct *vma,\\n\\t\\t\\t\\t\\tstruct list_head *list)\\n{\\n\\tlist_add_tail(&vma->shared.nonlinear, list);\\n}\",\n \"void anon_vma_interval_tree_insert(struct anon_vma_chain *node,\\n\\t\\t\\t\\t struct rb_root *root);\\nvoid anon_vma_interval_tree_remove(struct anon_vma_chain *node,\\n\\t\\t\\t\\t struct rb_root *root);\\nstruct anon_vma_chain *anon_vma_interval_tree_iter_first(\\n\\tstruct rb_root *root, unsigned long start, unsigned long last);\\nstruct anon_vma_chain *anon_vma_interval_tree_iter_next(\\n\\tstruct anon_vma_chain *node, unsigned long start, unsigned long last);\\n#ifdef CONFIG_DEBUG_VM_RB\\nvoid anon_vma_interval_tree_verify(struct anon_vma_chain *node);\\n#endif\",\n \"#define anon_vma_interval_tree_foreach(avc, root, start, last)\\t\\t \\\\\\n\\tfor (avc = anon_vma_interval_tree_iter_first(root, start, last); \\\\\\n\\t avc; avc = anon_vma_interval_tree_iter_next(avc, start, last))\",\n \"/* mmap.c */\\nextern int __vm_enough_memory(struct mm_struct *mm, long pages, int cap_sys_admin);\\nextern int vma_adjust(struct vm_area_struct *vma, unsigned long start,\\n\\tunsigned long end, pgoff_t pgoff, struct vm_area_struct *insert);\\nextern struct vm_area_struct *vma_merge(struct mm_struct *,\\n\\tstruct vm_area_struct *prev, unsigned long addr, unsigned long end,\\n\\tunsigned long vm_flags, struct anon_vma *, struct file *, pgoff_t,\\n\\tstruct mempolicy *);\\nextern struct anon_vma *find_mergeable_anon_vma(struct vm_area_struct *);\\nextern int split_vma(struct mm_struct *,\\n\\tstruct vm_area_struct *, unsigned long addr, int new_below);\\nextern int insert_vm_struct(struct mm_struct *, struct vm_area_struct *);\\nextern void __vma_link_rb(struct mm_struct *, struct vm_area_struct *,\\n\\tstruct rb_node **, struct rb_node *);\\nextern void unlink_file_vma(struct vm_area_struct *);\\nextern struct vm_area_struct *copy_vma(struct vm_area_struct **,\\n\\tunsigned long addr, unsigned long len, pgoff_t pgoff,\\n\\tbool *need_rmap_locks);\\nextern void exit_mmap(struct mm_struct *);\",\n \"extern int mm_take_all_locks(struct mm_struct *mm);\\nextern void mm_drop_all_locks(struct mm_struct *mm);\",\n \"extern void set_mm_exe_file(struct mm_struct *mm, struct file *new_exe_file);\\nextern struct file *get_mm_exe_file(struct mm_struct *mm);\",\n \"extern int may_expand_vm(struct mm_struct *mm, unsigned long npages);\\nextern int install_special_mapping(struct mm_struct *mm,\\n\\t\\t\\t\\t unsigned long addr, unsigned long len,\\n\\t\\t\\t\\t unsigned long flags, struct page **pages);\",\n \"extern unsigned long get_unmapped_area(struct file *, unsigned long, unsigned long, unsigned long, unsigned long);\",\n \"extern unsigned long mmap_region(struct file *file, unsigned long addr,\\n\\tunsigned long len, vm_flags_t vm_flags, unsigned long pgoff);\\nextern unsigned long do_mmap_pgoff(struct file *file, unsigned long addr,\\n\\tunsigned long len, unsigned long prot, unsigned long flags,\\n\\tunsigned long pgoff, unsigned long *populate);\\nextern int do_munmap(struct mm_struct *, unsigned long, size_t);\",\n \"#ifdef CONFIG_MMU\\nextern int __mm_populate(unsigned long addr, unsigned long len,\\n\\t\\t\\t int ignore_errors);\\nstatic inline void mm_populate(unsigned long addr, unsigned long len)\\n{\\n\\t/* Ignore errors */\\n\\t(void) __mm_populate(addr, len, 1);\\n}\\n#else\\nstatic inline void mm_populate(unsigned long addr, unsigned long len) {}\\n#endif\",\n \"/* These take the mm semaphore themselves */\\nextern unsigned long vm_brk(unsigned long, unsigned long);\\nextern int vm_munmap(unsigned long, size_t);\\nextern unsigned long vm_mmap(struct file *, unsigned long,\\n unsigned long, unsigned long,\\n unsigned long, unsigned long);\",\n \"struct vm_unmapped_area_info {\\n#define VM_UNMAPPED_AREA_TOPDOWN 1\\n\\tunsigned long flags;\\n\\tunsigned long length;\\n\\tunsigned long low_limit;\\n\\tunsigned long high_limit;\\n\\tunsigned long align_mask;\\n\\tunsigned long align_offset;\\n};\",\n \"extern unsigned long unmapped_area(struct vm_unmapped_area_info *info);\\nextern unsigned long unmapped_area_topdown(struct vm_unmapped_area_info *info);\",\n \"/*\\n * Search for an unmapped address range.\\n *\\n * We are looking for a range that:\\n * - does not intersect with any VMA;\\n * - is contained within the [low_limit, high_limit) interval;\\n * - is at least the desired size.\\n * - satisfies (begin_addr & align_mask) == (align_offset & align_mask)\\n */\\nstatic inline unsigned long\\nvm_unmapped_area(struct vm_unmapped_area_info *info)\\n{\\n\\tif (!(info->flags & VM_UNMAPPED_AREA_TOPDOWN))\\n\\t\\treturn unmapped_area(info);\\n\\telse\\n\\t\\treturn unmapped_area_topdown(info);\\n}\",\n \"/* truncate.c */\\nextern void truncate_inode_pages(struct address_space *, loff_t);\\nextern void truncate_inode_pages_range(struct address_space *,\\n\\t\\t\\t\\t loff_t lstart, loff_t lend);\",\n \"/* generic vm_area_ops exported for stackable file systems */\\nextern int filemap_fault(struct vm_area_struct *, struct vm_fault *);\\nextern int filemap_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf);\",\n \"/* mm/page-writeback.c */\\nint write_one_page(struct page *page, int wait);\\nvoid task_dirty_inc(struct task_struct *tsk);\",\n \"/* readahead.c */\\n#define VM_MAX_READAHEAD\\t128\\t/* kbytes */\\n#define VM_MIN_READAHEAD\\t16\\t/* kbytes (includes current page) */\",\n \"int force_page_cache_readahead(struct address_space *mapping, struct file *filp,\\n\\t\\t\\tpgoff_t offset, unsigned long nr_to_read);\",\n \"void page_cache_sync_readahead(struct address_space *mapping,\\n\\t\\t\\t struct file_ra_state *ra,\\n\\t\\t\\t struct file *filp,\\n\\t\\t\\t pgoff_t offset,\\n\\t\\t\\t unsigned long size);\",\n \"void page_cache_async_readahead(struct address_space *mapping,\\n\\t\\t\\t\\tstruct file_ra_state *ra,\\n\\t\\t\\t\\tstruct file *filp,\\n\\t\\t\\t\\tstruct page *pg,\\n\\t\\t\\t\\tpgoff_t offset,\\n\\t\\t\\t\\tunsigned long size);\",\n \"unsigned long max_sane_readahead(unsigned long nr);\\nunsigned long ra_submit(struct file_ra_state *ra,\\n\\t\\t\\tstruct address_space *mapping,\\n\\t\\t\\tstruct file *filp);\",\n \"/* Generic expand stack which grows the stack according to GROWS{UP,DOWN} */\\nextern int expand_stack(struct vm_area_struct *vma, unsigned long address);\",\n \"/* CONFIG_STACK_GROWSUP still needs to to grow downwards at some places */\\nextern int expand_downwards(struct vm_area_struct *vma,\\n\\t\\tunsigned long address);\\n#if VM_GROWSUP\\nextern int expand_upwards(struct vm_area_struct *vma, unsigned long address);\\n#else\\n #define expand_upwards(vma, address) do { } while (0)\\n#endif\",\n \"/* Look up the first VMA which satisfies addr < vm_end, NULL if none. */\\nextern struct vm_area_struct * find_vma(struct mm_struct * mm, unsigned long addr);\\nextern struct vm_area_struct * find_vma_prev(struct mm_struct * mm, unsigned long addr,\\n\\t\\t\\t\\t\\t struct vm_area_struct **pprev);\",\n \"/* Look up the first VMA which intersects the interval start_addr..end_addr-1,\\n NULL if none. Assume start_addr < end_addr. */\\nstatic inline struct vm_area_struct * find_vma_intersection(struct mm_struct * mm, unsigned long start_addr, unsigned long end_addr)\\n{\\n\\tstruct vm_area_struct * vma = find_vma(mm,start_addr);\",\n \"\\tif (vma && end_addr <= vma->vm_start)\\n\\t\\tvma = NULL;\\n\\treturn vma;\\n}\",\n \"static inline unsigned long vma_pages(struct vm_area_struct *vma)\\n{\\n\\treturn (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;\\n}\",\n \"/* Look up the first VMA which exactly match the interval vm_start ... vm_end */\\nstatic inline struct vm_area_struct *find_exact_vma(struct mm_struct *mm,\\n\\t\\t\\t\\tunsigned long vm_start, unsigned long vm_end)\\n{\\n\\tstruct vm_area_struct *vma = find_vma(mm, vm_start);\",\n \"\\tif (vma && (vma->vm_start != vm_start || vma->vm_end != vm_end))\\n\\t\\tvma = NULL;\",\n \"\\treturn vma;\\n}\",\n \"#ifdef CONFIG_MMU\\npgprot_t vm_get_page_prot(unsigned long vm_flags);\\n#else\\nstatic inline pgprot_t vm_get_page_prot(unsigned long vm_flags)\\n{\\n\\treturn __pgprot(0);\\n}\\n#endif\",\n \"#ifdef CONFIG_ARCH_USES_NUMA_PROT_NONE\\nunsigned long change_prot_numa(struct vm_area_struct *vma,\\n\\t\\t\\tunsigned long start, unsigned long end);\\n#endif\",\n \"struct vm_area_struct *find_extend_vma(struct mm_struct *, unsigned long addr);\\nint remap_pfn_range(struct vm_area_struct *, unsigned long addr,\\n\\t\\t\\tunsigned long pfn, unsigned long size, pgprot_t);\\nint vm_insert_page(struct vm_area_struct *, unsigned long addr, struct page *);\\nint vm_insert_pfn(struct vm_area_struct *vma, unsigned long addr,\\n\\t\\t\\tunsigned long pfn);\\nint vm_insert_mixed(struct vm_area_struct *vma, unsigned long addr,\\n\\t\\t\\tunsigned long pfn);\",\n \"\",\n \"\\nstruct page *follow_page_mask(struct vm_area_struct *vma,\\n\\t\\t\\t unsigned long address, unsigned int foll_flags,\\n\\t\\t\\t unsigned int *page_mask);\",\n \"static inline struct page *follow_page(struct vm_area_struct *vma,\\n\\t\\tunsigned long address, unsigned int foll_flags)\\n{\\n\\tunsigned int unused_page_mask;\\n\\treturn follow_page_mask(vma, address, foll_flags, &unused_page_mask);\\n}\",\n \"#define FOLL_WRITE\\t0x01\\t/* check pte is writable */\\n#define FOLL_TOUCH\\t0x02\\t/* mark page accessed */\\n#define FOLL_GET\\t0x04\\t/* do get_page on page */\\n#define FOLL_DUMP\\t0x08\\t/* give error on hole if it would be zero */\\n#define FOLL_FORCE\\t0x10\\t/* get_user_pages read/write w/o permission */\\n#define FOLL_NOWAIT\\t0x20\\t/* if a disk transfer is needed, start the IO\\n\\t\\t\\t\\t * and return without waiting upon it */\\n#define FOLL_MLOCK\\t0x40\\t/* mark page as mlocked */\\n#define FOLL_SPLIT\\t0x80\\t/* don't return transhuge pages, split them */\\n#define FOLL_HWPOISON\\t0x100\\t/* check page is hwpoisoned */\\n#define FOLL_NUMA\\t0x200\\t/* force NUMA hinting page fault */\\n#define FOLL_MIGRATION\\t0x400\\t/* wait for page to replace migration entry */\",\n \"typedef int (*pte_fn_t)(pte_t *pte, pgtable_t token, unsigned long addr,\\n\\t\\t\\tvoid *data);\\nextern int apply_to_page_range(struct mm_struct *mm, unsigned long address,\\n\\t\\t\\t unsigned long size, pte_fn_t fn, void *data);\",\n \"#ifdef CONFIG_PROC_FS\\nvoid vm_stat_account(struct mm_struct *, unsigned long, struct file *, long);\\n#else\\nstatic inline void vm_stat_account(struct mm_struct *mm,\\n\\t\\t\\tunsigned long flags, struct file *file, long pages)\\n{\\n\\tmm->total_vm += pages;\\n}\\n#endif /* CONFIG_PROC_FS */\",\n \"#ifdef CONFIG_DEBUG_PAGEALLOC\\nextern void kernel_map_pages(struct page *page, int numpages, int enable);\\n#ifdef CONFIG_HIBERNATION\\nextern bool kernel_page_present(struct page *page);\\n#endif /* CONFIG_HIBERNATION */\\n#else\\nstatic inline void\\nkernel_map_pages(struct page *page, int numpages, int enable) {}\\n#ifdef CONFIG_HIBERNATION\\nstatic inline bool kernel_page_present(struct page *page) { return true; }\\n#endif /* CONFIG_HIBERNATION */\\n#endif\",\n \"extern struct vm_area_struct *get_gate_vma(struct mm_struct *mm);\\n#ifdef\\t__HAVE_ARCH_GATE_AREA\\nint in_gate_area_no_mm(unsigned long addr);\\nint in_gate_area(struct mm_struct *mm, unsigned long addr);\\n#else\\nint in_gate_area_no_mm(unsigned long addr);\\n#define in_gate_area(mm, addr) ({(void)mm; in_gate_area_no_mm(addr);})\\n#endif\\t/* __HAVE_ARCH_GATE_AREA */\",\n \"int drop_caches_sysctl_handler(struct ctl_table *, int,\\n\\t\\t\\t\\t\\tvoid __user *, size_t *, loff_t *);\\nunsigned long shrink_slab(struct shrink_control *shrink,\\n\\t\\t\\t unsigned long nr_pages_scanned,\\n\\t\\t\\t unsigned long lru_pages);\",\n \"#ifndef CONFIG_MMU\\n#define randomize_va_space 0\\n#else\\nextern int randomize_va_space;\\n#endif\",\n \"const char * arch_vma_name(struct vm_area_struct *vma);\\nvoid print_vma_addr(char *prefix, unsigned long rip);\",\n \"void sparse_mem_maps_populate_node(struct page **map_map,\\n\\t\\t\\t\\t unsigned long pnum_begin,\\n\\t\\t\\t\\t unsigned long pnum_end,\\n\\t\\t\\t\\t unsigned long map_count,\\n\\t\\t\\t\\t int nodeid);\",\n \"struct page *sparse_mem_map_populate(unsigned long pnum, int nid);\\npgd_t *vmemmap_pgd_populate(unsigned long addr, int node);\\npud_t *vmemmap_pud_populate(pgd_t *pgd, unsigned long addr, int node);\\npmd_t *vmemmap_pmd_populate(pud_t *pud, unsigned long addr, int node);\\npte_t *vmemmap_pte_populate(pmd_t *pmd, unsigned long addr, int node);\\nvoid *vmemmap_alloc_block(unsigned long size, int node);\\nvoid *vmemmap_alloc_block_buf(unsigned long size, int node);\\nvoid vmemmap_verify(pte_t *, int, unsigned long, unsigned long);\\nint vmemmap_populate_basepages(struct page *start_page,\\n\\t\\t\\t\\t\\t\\tunsigned long pages, int node);\\nint vmemmap_populate(struct page *start_page, unsigned long pages, int node);\\nvoid vmemmap_populate_print_last(void);\\n#ifdef CONFIG_MEMORY_HOTPLUG\\nvoid vmemmap_free(struct page *memmap, unsigned long nr_pages);\\n#endif\\nvoid register_page_bootmem_memmap(unsigned long section_nr, struct page *map,\\n\\t\\t\\t\\t unsigned long size);\",\n \"enum mf_flags {\\n\\tMF_COUNT_INCREASED = 1 << 0,\\n\\tMF_ACTION_REQUIRED = 1 << 1,\\n\\tMF_MUST_KILL = 1 << 2,\\n};\\nextern int memory_failure(unsigned long pfn, int trapno, int flags);\\nextern void memory_failure_queue(unsigned long pfn, int trapno, int flags);\\nextern int unpoison_memory(unsigned long pfn);\\nextern int sysctl_memory_failure_early_kill;\\nextern int sysctl_memory_failure_recovery;\\nextern void shake_page(struct page *p, int access);\\nextern atomic_long_t num_poisoned_pages;\\nextern int soft_offline_page(struct page *page, int flags);\",\n \"extern void dump_page(struct page *page);\",\n \"#if defined(CONFIG_TRANSPARENT_HUGEPAGE) || defined(CONFIG_HUGETLBFS)\\nextern void clear_huge_page(struct page *page,\\n\\t\\t\\t unsigned long addr,\\n\\t\\t\\t unsigned int pages_per_huge_page);\\nextern void copy_user_huge_page(struct page *dst, struct page *src,\\n\\t\\t\\t\\tunsigned long addr, struct vm_area_struct *vma,\\n\\t\\t\\t\\tunsigned int pages_per_huge_page);\\n#endif /* CONFIG_TRANSPARENT_HUGEPAGE || CONFIG_HUGETLBFS */\",\n \"#ifdef CONFIG_DEBUG_PAGEALLOC\\nextern unsigned int _debug_guardpage_minorder;\",\n \"static inline unsigned int debug_guardpage_minorder(void)\\n{\\n\\treturn _debug_guardpage_minorder;\\n}\",\n \"static inline bool page_is_guard(struct page *page)\\n{\\n\\treturn test_bit(PAGE_DEBUG_FLAG_GUARD, &page->debug_flags);\\n}\\n#else\\nstatic inline unsigned int debug_guardpage_minorder(void) { return 0; }\\nstatic inline bool page_is_guard(struct page *page) { return false; }\\n#endif /* CONFIG_DEBUG_PAGEALLOC */\",\n \"#endif /* __KERNEL__ */\\n#endif /* _LINUX_MM_H */\"\n]","isConversational":false},"labels":{"kind":"list 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\"mm/memory.c\"], \"fixing_code_end_loc\": [1616, 2443], \"fixing_code_start_loc\": [1614, 2396], \"message\": \"Integer overflow in the fb_mmap function in drivers/video/fbmem.c in the Linux kernel before 3.8.9, as used in a certain Motorola build of Android 4.1.2 and other products, allows local users to create a read-write memory mapping for the entirety of kernel memory, and consequently gain privileges, via crafted /dev/graphics/fb0 mmap2 system calls, as demonstrated by the Motochopper pwn program.\", \"other\": {\"cve\": {\"cisaActionDue\": \"2022-10-06\", \"cisaExploitAdd\": \"2022-09-15\", \"cisaRequiredAction\": \"Apply updates per vendor instructions.\", \"cisaVulnerabilityName\": \"Linux Kernel Integer Overflow Vulnerability\", \"configurations\": [{\"nodes\": [{\"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"D11FDC31-8717-4FE1-A2F0-731D2F387B2E\", \"versionEndExcluding\": null, \"versionEndIncluding\": \"3.8.8\", 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fb_mmap function in drivers/video/fbmem.c in the Linux kernel before 3.8.9, as used in a certain Motorola build of Android 4.1.2 and other products, allows local users to create a read-write memory mapping for the entirety of kernel memory, and consequently gain privileges, via crafted /dev/graphics/fb0 mmap2 system calls, as demonstrated by the Motochopper pwn program.\"}, {\"lang\": \"es\", \"value\": \"Una determinada version de Android v4.1.2 en dispositivos Motorola Razr HD, Razr M, y Atrix HD con el chipset Qualcomm MSM8960 permite a atacantes f\\u00edsicamente pr\\u00f3ximos obtener acceso de root entrando en el modo de depuraci\\u00f3n USB, usando Android Debug Bridge (ADB) para establecer una conexi\\u00f3n USB, y cargar y ejecutar el programa pwn Motochopper.\"}], \"evaluatorComment\": null, \"id\": \"CVE-2013-2596\", \"lastModified\": \"2016-12-31T02:59:02.887\", \"metrics\": {\"cvssMetricV2\": [{\"acInsufInfo\": false, \"baseSeverity\": \"MEDIUM\", \"cvssData\": {\"accessComplexity\": \"MEDIUM\", \"accessVector\": \"LOCAL\", \"authentication\": \"NONE\", \"availabilityImpact\": \"COMPLETE\", \"baseScore\": 6.9, \"confidentialityImpact\": \"COMPLETE\", \"integrityImpact\": \"COMPLETE\", \"vectorString\": \"AV:L/AC:M/Au:N/C:C/I:C/A:C\", \"version\": \"2.0\"}, \"exploitabilityScore\": 3.4, \"impactScore\": 10.0, \"obtainAllPrivilege\": true, \"obtainOtherPrivilege\": false, \"obtainUserPrivilege\": false, \"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"userInteractionRequired\": false}], \"cvssMetricV30\": null, \"cvssMetricV31\": null}, \"published\": \"2013-04-13T02:59:46.627\", \"references\": [{\"source\": \"cve@mitre.org\", \"tags\": [\"Exploit\"], \"url\": \"http://forum.xda-developers.com/showthread.php?t=2255491\"}, {\"source\": \"cve@mitre.org\", \"tags\": [\"Patch\"], \"url\": \"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b4cbb197c7e7a68dbad0d491242e3ca67420c13e\"}, {\"source\": \"cve@mitre.org\", \"tags\": [\"Exploit\", \"Patch\"], \"url\": \"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=fc9bbca8f650e5f738af8806317c0a041a48ae4a\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761\"}, {\"source\": \"cve@mitre.org\", \"tags\": [\"Patch\"], \"url\": \"http://marc.info/?l=linux-kernel&m=136616837923938&w=2\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://rhn.redhat.com/errata/RHSA-2015-0695.html\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://rhn.redhat.com/errata/RHSA-2015-0782.html\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://rhn.redhat.com/errata/RHSA-2015-0803.html\"}, {\"source\": \"cve@mitre.org\", \"tags\": [\"Exploit\"], \"url\": \"http://www.droid-life.com/2013/04/09/root-method-released-for-droid-razr-hd-running-android-4-1-2-other-devices-too/\"}, {\"source\": \"cve@mitre.org\", \"tags\": [\"Exploit\"], \"url\": \"http://www.droidrzr.com/index.php/topic/15208-root-motochopper-yet-another-android-root-exploit/\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.9\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://www.mandriva.com/security/advisories?name=MDVSA-2013:176\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://www.securityfocus.com/bid/59264\"}, {\"source\": \"cve@mitre.org\", \"tags\": [\"Patch\"], \"url\": \"https://github.com/torvalds/linux/commit/b4cbb197c7e7a68dbad0d491242e3ca67420c13e\"}, {\"source\": \"cve@mitre.org\", \"tags\": [\"Exploit\", \"Patch\"], \"url\": \"https://github.com/torvalds/linux/commit/fc9bbca8f650e5f738af8806317c0a041a48ae4a\"}], \"sourceIdentifier\": \"cve@mitre.org\", \"vendorComments\": null, \"vulnStatus\": \"Modified\", \"weaknesses\": [{\"description\": [{\"lang\": \"en\", \"value\": \"CWE-189\"}], \"source\": \"nvd@nist.gov\", \"type\": \"Primary\"}]}, \"github_commit_url\": \"https://github.com/torvalds/linux/commit/b4cbb197c7e7a68dbad0d491242e3ca67420c13e\"}, \"type\": \"CWE-189\"}"},"index":{"kind":"number","value":859,"string":"859"}}},{"rowIdx":5089,"cells":{"prompt":{"kind":"string","value":"Determine whether the {function_name} code is vulnerable or not."},"completions":{"kind":"list like","value":["#ifndef _LINUX_MM_H\n#define _LINUX_MM_H","#include <linux/errno.h>","#ifdef __KERNEL__","#include <linux/gfp.h>\n#include <linux/bug.h>\n#include <linux/list.h>\n#include <linux/mmzone.h>\n#include <linux/rbtree.h>\n#include <linux/atomic.h>\n#include <linux/debug_locks.h>\n#include <linux/mm_types.h>\n#include <linux/range.h>\n#include <linux/pfn.h>\n#include <linux/bit_spinlock.h>\n#include <linux/shrinker.h>","struct mempolicy;\nstruct anon_vma;\nstruct anon_vma_chain;\nstruct file_ra_state;\nstruct user_struct;\nstruct writeback_control;","#ifndef CONFIG_DISCONTIGMEM /* Don't use mapnrs, do it properly */\nextern unsigned long max_mapnr;\n#endif","extern unsigned long num_physpages;\nextern unsigned long totalram_pages;\nextern void * high_memory;\nextern int page_cluster;","#ifdef CONFIG_SYSCTL\nextern int sysctl_legacy_va_layout;\n#else\n#define sysctl_legacy_va_layout 0\n#endif","#include <asm/page.h>\n#include <asm/pgtable.h>\n#include <asm/processor.h>","#define nth_page(page,n) pfn_to_page(page_to_pfn((page)) + (n))","/* to align the pointer to the (next) page boundary */\n#define PAGE_ALIGN(addr) ALIGN(addr, PAGE_SIZE)","/*\n * Linux kernel virtual memory manager primitives.\n * The idea being to have a \"virtual\" mm in the same way\n * we have a virtual fs - giving a cleaner interface to the\n * mm details, and allowing different kinds of memory mappings\n * (from shared memory to executable loading to arbitrary\n * mmap() functions).\n */","extern struct kmem_cache *vm_area_cachep;","#ifndef CONFIG_MMU\nextern struct rb_root nommu_region_tree;\nextern struct rw_semaphore nommu_region_sem;","extern unsigned int kobjsize(const void *objp);\n#endif","/*\n * vm_flags in vm_area_struct, see mm_types.h.\n */\n#define VM_NONE\t\t0x00000000","#define VM_READ\t\t0x00000001\t/* currently active flags */\n#define VM_WRITE\t0x00000002\n#define VM_EXEC\t\t0x00000004\n#define VM_SHARED\t0x00000008","/* mprotect() hardcodes VM_MAYREAD >> 4 == VM_READ, and so for r/w/x bits. */\n#define VM_MAYREAD\t0x00000010\t/* limits for mprotect() etc */\n#define VM_MAYWRITE\t0x00000020\n#define VM_MAYEXEC\t0x00000040\n#define VM_MAYSHARE\t0x00000080","#define VM_GROWSDOWN\t0x00000100\t/* general info on the segment */\n#define VM_PFNMAP\t0x00000400\t/* Page-ranges managed without \"struct page\", just pure PFN */\n#define VM_DENYWRITE\t0x00000800\t/* ETXTBSY on write attempts.. */","#define VM_LOCKED\t0x00002000\n#define VM_IO 0x00004000\t/* Memory mapped I/O or similar */","\t\t\t\t\t/* Used by sys_madvise() */\n#define VM_SEQ_READ\t0x00008000\t/* App will access data sequentially */\n#define VM_RAND_READ\t0x00010000\t/* App will not benefit from clustered reads */","#define VM_DONTCOPY\t0x00020000 /* Do not copy this vma on fork */\n#define VM_DONTEXPAND\t0x00040000\t/* Cannot expand with mremap() */\n#define VM_ACCOUNT\t0x00100000\t/* Is a VM accounted object */\n#define VM_NORESERVE\t0x00200000\t/* should the VM suppress accounting */\n#define VM_HUGETLB\t0x00400000\t/* Huge TLB Page VM */\n#define VM_NONLINEAR\t0x00800000\t/* Is non-linear (remap_file_pages) */\n#define VM_ARCH_1\t0x01000000\t/* Architecture-specific flag */\n#define VM_DONTDUMP\t0x04000000\t/* Do not include in the core dump */","#define VM_MIXEDMAP\t0x10000000\t/* Can contain \"struct page\" and pure PFN pages */\n#define VM_HUGEPAGE\t0x20000000\t/* MADV_HUGEPAGE marked this vma */\n#define VM_NOHUGEPAGE\t0x40000000\t/* MADV_NOHUGEPAGE marked this vma */\n#define VM_MERGEABLE\t0x80000000\t/* KSM may merge identical pages */","#if defined(CONFIG_X86)\n# define VM_PAT\t\tVM_ARCH_1\t/* PAT reserves whole VMA at once (x86) */\n#elif defined(CONFIG_PPC)\n# define VM_SAO\t\tVM_ARCH_1\t/* Strong Access Ordering (powerpc) */\n#elif defined(CONFIG_PARISC)\n# define VM_GROWSUP\tVM_ARCH_1\n#elif defined(CONFIG_METAG)\n# define VM_GROWSUP\tVM_ARCH_1\n#elif defined(CONFIG_IA64)\n# define VM_GROWSUP\tVM_ARCH_1\n#elif !defined(CONFIG_MMU)\n# define VM_MAPPED_COPY\tVM_ARCH_1\t/* T if mapped copy of data (nommu mmap) */\n#endif","#ifndef VM_GROWSUP\n# define VM_GROWSUP\tVM_NONE\n#endif","/* Bits set in the VMA until the stack is in its final location */\n#define VM_STACK_INCOMPLETE_SETUP\t(VM_RAND_READ | VM_SEQ_READ)","#ifndef VM_STACK_DEFAULT_FLAGS\t\t/* arch can override this */\n#define VM_STACK_DEFAULT_FLAGS VM_DATA_DEFAULT_FLAGS\n#endif","#ifdef CONFIG_STACK_GROWSUP\n#define VM_STACK_FLAGS\t(VM_GROWSUP | VM_STACK_DEFAULT_FLAGS | VM_ACCOUNT)\n#else\n#define VM_STACK_FLAGS\t(VM_GROWSDOWN | VM_STACK_DEFAULT_FLAGS | VM_ACCOUNT)\n#endif","#define VM_READHINTMASK\t\t\t(VM_SEQ_READ | VM_RAND_READ)\n#define VM_ClearReadHint(v)\t\t(v)->vm_flags &= ~VM_READHINTMASK\n#define VM_NormalReadHint(v)\t\t(!((v)->vm_flags & VM_READHINTMASK))\n#define VM_SequentialReadHint(v)\t((v)->vm_flags & VM_SEQ_READ)\n#define VM_RandomReadHint(v)\t\t((v)->vm_flags & VM_RAND_READ)","/*\n * Special vmas that are non-mergable, non-mlock()able.\n * Note: mm/huge_memory.c VM_NO_THP depends on this definition.\n */\n#define VM_SPECIAL (VM_IO | VM_DONTEXPAND | VM_PFNMAP)","/*\n * mapping from the currently active vm_flags protection bits (the\n * low four bits) to a page protection mask..\n */\nextern pgprot_t protection_map[16];","#define FAULT_FLAG_WRITE\t0x01\t/* Fault was a write access */\n#define FAULT_FLAG_NONLINEAR\t0x02\t/* Fault was via a nonlinear mapping */\n#define FAULT_FLAG_MKWRITE\t0x04\t/* Fault was mkwrite of existing pte */\n#define FAULT_FLAG_ALLOW_RETRY\t0x08\t/* Retry fault if blocking */\n#define FAULT_FLAG_RETRY_NOWAIT\t0x10\t/* Don't drop mmap_sem and wait when retrying */\n#define FAULT_FLAG_KILLABLE\t0x20\t/* The fault task is in SIGKILL killable region */\n#define FAULT_FLAG_TRIED\t0x40\t/* second try */","/*\n * vm_fault is filled by the the pagefault handler and passed to the vma's\n * ->fault function. The vma's ->fault is responsible for returning a bitmask\n * of VM_FAULT_xxx flags that give details about how the fault was handled.\n *\n * pgoff should be used in favour of virtual_address, if possible. If pgoff\n * is used, one may implement ->remap_pages to get nonlinear mapping support.\n */\nstruct vm_fault {\n\tunsigned int flags;\t\t/* FAULT_FLAG_xxx flags */\n\tpgoff_t pgoff;\t\t\t/* Logical page offset based on vma */\n\tvoid __user *virtual_address;\t/* Faulting virtual address */","\tstruct page *page;\t\t/* ->fault handlers should return a\n\t\t\t\t\t * page here, unless VM_FAULT_NOPAGE\n\t\t\t\t\t * is set (which is also implied by\n\t\t\t\t\t * VM_FAULT_ERROR).\n\t\t\t\t\t */\n};","/*\n * These are the virtual MM functions - opening of an area, closing and\n * unmapping it (needed to keep files on disk up-to-date etc), pointer\n * to the functions called when a no-page or a wp-page exception occurs. \n */\nstruct vm_operations_struct {\n\tvoid (*open)(struct vm_area_struct * area);\n\tvoid (*close)(struct vm_area_struct * area);\n\tint (*fault)(struct vm_area_struct *vma, struct vm_fault *vmf);","\t/* notification that a previously read-only page is about to become\n\t * writable, if an error is returned it will cause a SIGBUS */\n\tint (*page_mkwrite)(struct vm_area_struct *vma, struct vm_fault *vmf);","\t/* called by access_process_vm when get_user_pages() fails, typically\n\t * for use by special VMAs that can switch between memory and hardware\n\t */\n\tint (*access)(struct vm_area_struct *vma, unsigned long addr,\n\t\t void *buf, int len, int write);\n#ifdef CONFIG_NUMA\n\t/*\n\t * set_policy() op must add a reference to any non-NULL @new mempolicy\n\t * to hold the policy upon return. Caller should pass NULL @new to\n\t * remove a policy and fall back to surrounding context--i.e. do not\n\t * install a MPOL_DEFAULT policy, nor the task or system default\n\t * mempolicy.\n\t */\n\tint (*set_policy)(struct vm_area_struct *vma, struct mempolicy *new);","\t/*\n\t * get_policy() op must add reference [mpol_get()] to any policy at\n\t * (vma,addr) marked as MPOL_SHARED. The shared policy infrastructure\n\t * in mm/mempolicy.c will do this automatically.\n\t * get_policy() must NOT add a ref if the policy at (vma,addr) is not\n\t * marked as MPOL_SHARED. vma policies are protected by the mmap_sem.\n\t * If no [shared/vma] mempolicy exists at the addr, get_policy() op\n\t * must return NULL--i.e., do not \"fallback\" to task or system default\n\t * policy.\n\t */\n\tstruct mempolicy *(*get_policy)(struct vm_area_struct *vma,\n\t\t\t\t\tunsigned long addr);\n\tint (*migrate)(struct vm_area_struct *vma, const nodemask_t *from,\n\t\tconst nodemask_t *to, unsigned long flags);\n#endif\n\t/* called by sys_remap_file_pages() to populate non-linear mapping */\n\tint (*remap_pages)(struct vm_area_struct *vma, unsigned long addr,\n\t\t\t unsigned long size, pgoff_t pgoff);\n};","struct mmu_gather;\nstruct inode;","#define page_private(page)\t\t((page)->private)\n#define set_page_private(page, v)\t((page)->private = (v))","/* It's valid only if the page is free path or free_list */\nstatic inline void set_freepage_migratetype(struct page *page, int migratetype)\n{\n\tpage->index = migratetype;\n}","/* It's valid only if the page is free path or free_list */\nstatic inline int get_freepage_migratetype(struct page *page)\n{\n\treturn page->index;\n}","/*\n * FIXME: take this include out, include page-flags.h in\n * files which need it (119 of them)\n */\n#include <linux/page-flags.h>\n#include <linux/huge_mm.h>","/*\n * Methods to modify the page usage count.\n *\n * What counts for a page usage:\n * - cache mapping (page->mapping)\n * - private data (page->private)\n * - page mapped in a task's page tables, each mapping\n * is counted separately\n *\n * Also, many kernel routines increase the page count before a critical\n * routine so they can be sure the page doesn't go away from under them.\n */","/*\n * Drop a ref, return true if the refcount fell to zero (the page has no users)\n */\nstatic inline int put_page_testzero(struct page *page)\n{\n\tVM_BUG_ON(atomic_read(&page->_count) == 0);\n\treturn atomic_dec_and_test(&page->_count);\n}","/*\n * Try to grab a ref unless the page has a refcount of zero, return false if\n * that is the case.\n */\nstatic inline int get_page_unless_zero(struct page *page)\n{\n\treturn atomic_inc_not_zero(&page->_count);\n}","extern int page_is_ram(unsigned long pfn);","/* Support for virtually mapped pages */\nstruct page *vmalloc_to_page(const void *addr);\nunsigned long vmalloc_to_pfn(const void *addr);","/*\n * Determine if an address is within the vmalloc range\n *\n * On nommu, vmalloc/vfree wrap through kmalloc/kfree directly, so there\n * is no special casing required.\n */\nstatic inline int is_vmalloc_addr(const void *x)\n{\n#ifdef CONFIG_MMU\n\tunsigned long addr = (unsigned long)x;","\treturn addr >= VMALLOC_START && addr < VMALLOC_END;\n#else\n\treturn 0;\n#endif\n}\n#ifdef CONFIG_MMU\nextern int is_vmalloc_or_module_addr(const void *x);\n#else\nstatic inline int is_vmalloc_or_module_addr(const void *x)\n{\n\treturn 0;\n}\n#endif","static inline void compound_lock(struct page *page)\n{\n#ifdef CONFIG_TRANSPARENT_HUGEPAGE\n\tVM_BUG_ON(PageSlab(page));\n\tbit_spin_lock(PG_compound_lock, &page->flags);\n#endif\n}","static inline void compound_unlock(struct page *page)\n{\n#ifdef CONFIG_TRANSPARENT_HUGEPAGE\n\tVM_BUG_ON(PageSlab(page));\n\tbit_spin_unlock(PG_compound_lock, &page->flags);\n#endif\n}","static inline unsigned long compound_lock_irqsave(struct page *page)\n{\n\tunsigned long uninitialized_var(flags);\n#ifdef CONFIG_TRANSPARENT_HUGEPAGE\n\tlocal_irq_save(flags);\n\tcompound_lock(page);\n#endif\n\treturn flags;\n}","static inline void compound_unlock_irqrestore(struct page *page,\n\t\t\t\t\t unsigned long flags)\n{\n#ifdef CONFIG_TRANSPARENT_HUGEPAGE\n\tcompound_unlock(page);\n\tlocal_irq_restore(flags);\n#endif\n}","static inline struct page *compound_head(struct page *page)\n{\n\tif (unlikely(PageTail(page)))\n\t\treturn page->first_page;\n\treturn page;\n}","/*\n * The atomic page->_mapcount, starts from -1: so that transitions\n * both from it and to it can be tracked, using atomic_inc_and_test\n * and atomic_add_negative(-1).\n */\nstatic inline void page_mapcount_reset(struct page *page)\n{\n\tatomic_set(&(page)->_mapcount, -1);\n}","static inline int page_mapcount(struct page *page)\n{\n\treturn atomic_read(&(page)->_mapcount) + 1;\n}","static inline int page_count(struct page *page)\n{\n\treturn atomic_read(&compound_head(page)->_count);\n}","static inline void get_huge_page_tail(struct page *page)\n{\n\t/*\n\t * __split_huge_page_refcount() cannot run\n\t * from under us.\n\t */\n\tVM_BUG_ON(page_mapcount(page) < 0);\n\tVM_BUG_ON(atomic_read(&page->_count) != 0);\n\tatomic_inc(&page->_mapcount);\n}","extern bool __get_page_tail(struct page *page);","static inline void get_page(struct page *page)\n{\n\tif (unlikely(PageTail(page)))\n\t\tif (likely(__get_page_tail(page)))\n\t\t\treturn;\n\t/*\n\t * Getting a normal page or the head of a compound page\n\t * requires to already have an elevated page->_count.\n\t */\n\tVM_BUG_ON(atomic_read(&page->_count) <= 0);\n\tatomic_inc(&page->_count);\n}","static inline struct page *virt_to_head_page(const void *x)\n{\n\tstruct page *page = virt_to_page(x);\n\treturn compound_head(page);\n}","/*\n * Setup the page count before being freed into the page allocator for\n * the first time (boot or memory hotplug)\n */\nstatic inline void init_page_count(struct page *page)\n{\n\tatomic_set(&page->_count, 1);\n}","/*\n * PageBuddy() indicate that the page is free and in the buddy system\n * (see mm/page_alloc.c).\n *\n * PAGE_BUDDY_MAPCOUNT_VALUE must be <= -2 but better not too close to\n * -2 so that an underflow of the page_mapcount() won't be mistaken\n * for a genuine PAGE_BUDDY_MAPCOUNT_VALUE. -128 can be created very\n * efficiently by most CPU architectures.\n */\n#define PAGE_BUDDY_MAPCOUNT_VALUE (-128)","static inline int PageBuddy(struct page *page)\n{\n\treturn atomic_read(&page->_mapcount) == PAGE_BUDDY_MAPCOUNT_VALUE;\n}","static inline void __SetPageBuddy(struct page *page)\n{\n\tVM_BUG_ON(atomic_read(&page->_mapcount) != -1);\n\tatomic_set(&page->_mapcount, PAGE_BUDDY_MAPCOUNT_VALUE);\n}","static inline void __ClearPageBuddy(struct page *page)\n{\n\tVM_BUG_ON(!PageBuddy(page));\n\tatomic_set(&page->_mapcount, -1);\n}","void put_page(struct page *page);\nvoid put_pages_list(struct list_head *pages);","void split_page(struct page *page, unsigned int order);\nint split_free_page(struct page *page);","/*\n * Compound pages have a destructor function. Provide a\n * prototype for that function and accessor functions.\n * These are _only_ valid on the head of a PG_compound page.\n */\ntypedef void compound_page_dtor(struct page *);","static inline void set_compound_page_dtor(struct page *page,\n\t\t\t\t\t\tcompound_page_dtor *dtor)\n{\n\tpage[1].lru.next = (void *)dtor;\n}","static inline compound_page_dtor *get_compound_page_dtor(struct page *page)\n{\n\treturn (compound_page_dtor *)page[1].lru.next;\n}","static inline int compound_order(struct page *page)\n{\n\tif (!PageHead(page))\n\t\treturn 0;\n\treturn (unsigned long)page[1].lru.prev;\n}","static inline int compound_trans_order(struct page *page)\n{\n\tint order;\n\tunsigned long flags;","\tif (!PageHead(page))\n\t\treturn 0;","\tflags = compound_lock_irqsave(page);\n\torder = compound_order(page);\n\tcompound_unlock_irqrestore(page, flags);\n\treturn order;\n}","static inline void set_compound_order(struct page *page, unsigned long order)\n{\n\tpage[1].lru.prev = (void *)order;\n}","#ifdef CONFIG_MMU\n/*\n * Do pte_mkwrite, but only if the vma says VM_WRITE. We do this when\n * servicing faults for write access. In the normal case, do always want\n * pte_mkwrite. But get_user_pages can cause write faults for mappings\n * that do not have writing enabled, when used by access_process_vm.\n */\nstatic inline pte_t maybe_mkwrite(pte_t pte, struct vm_area_struct *vma)\n{\n\tif (likely(vma->vm_flags & VM_WRITE))\n\t\tpte = pte_mkwrite(pte);\n\treturn pte;\n}\n#endif","/*\n * Multiple processes may \"see\" the same page. E.g. for untouched\n * mappings of /dev/null, all processes see the same page full of\n * zeroes, and text pages of executables and shared libraries have\n * only one copy in memory, at most, normally.\n *\n * For the non-reserved pages, page_count(page) denotes a reference count.\n * page_count() == 0 means the page is free. page->lru is then used for\n * freelist management in the buddy allocator.\n * page_count() > 0 means the page has been allocated.\n *\n * Pages are allocated by the slab allocator in order to provide memory\n * to kmalloc and kmem_cache_alloc. In this case, the management of the\n * page, and the fields in 'struct page' are the responsibility of mm/slab.c\n * unless a particular usage is carefully commented. (the responsibility of\n * freeing the kmalloc memory is the caller's, of course).\n *\n * A page may be used by anyone else who does a __get_free_page().\n * In this case, page_count still tracks the references, and should only\n * be used through the normal accessor functions. The top bits of page->flags\n * and page->virtual store page management information, but all other fields\n * are unused and could be used privately, carefully. The management of this\n * page is the responsibility of the one who allocated it, and those who have\n * subsequently been given references to it.\n *\n * The other pages (we may call them \"pagecache pages\") are completely\n * managed by the Linux memory manager: I/O, buffers, swapping etc.\n * The following discussion applies only to them.\n *\n * A pagecache page contains an opaque `private' member, which belongs to the\n * page's address_space. Usually, this is the address of a circular list of\n * the page's disk buffers. PG_private must be set to tell the VM to call\n * into the filesystem to release these pages.\n *\n * A page may belong to an inode's memory mapping. In this case, page->mapping\n * is the pointer to the inode, and page->index is the file offset of the page,\n * in units of PAGE_CACHE_SIZE.\n *\n * If pagecache pages are not associated with an inode, they are said to be\n * anonymous pages. These may become associated with the swapcache, and in that\n * case PG_swapcache is set, and page->private is an offset into the swapcache.\n *\n * In either case (swapcache or inode backed), the pagecache itself holds one\n * reference to the page. Setting PG_private should also increment the\n * refcount. The each user mapping also has a reference to the page.\n *\n * The pagecache pages are stored in a per-mapping radix tree, which is\n * rooted at mapping->page_tree, and indexed by offset.\n * Where 2.4 and early 2.6 kernels kept dirty/clean pages in per-address_space\n * lists, we instead now tag pages as dirty/writeback in the radix tree.\n *\n * All pagecache pages may be subject to I/O:\n * - inode pages may need to be read from disk,\n * - inode pages which have been modified and are MAP_SHARED may need\n * to be written back to the inode on disk,\n * - anonymous pages (including MAP_PRIVATE file mappings) which have been\n * modified may need to be swapped out to swap space and (later) to be read\n * back into memory.\n */","/*\n * The zone field is never updated after free_area_init_core()\n * sets it, so none of the operations on it need to be atomic.\n */","/* Page flags: | [SECTION] | [NODE] | ZONE | [LAST_NID] | ... | FLAGS | */\n#define SECTIONS_PGOFF\t\t((sizeof(unsigned long)*8) - SECTIONS_WIDTH)\n#define NODES_PGOFF\t\t(SECTIONS_PGOFF - NODES_WIDTH)\n#define ZONES_PGOFF\t\t(NODES_PGOFF - ZONES_WIDTH)\n#define LAST_NID_PGOFF\t\t(ZONES_PGOFF - LAST_NID_WIDTH)","/*\n * Define the bit shifts to access each section. For non-existent\n * sections we define the shift as 0; that plus a 0 mask ensures\n * the compiler will optimise away reference to them.\n */\n#define SECTIONS_PGSHIFT\t(SECTIONS_PGOFF * (SECTIONS_WIDTH != 0))\n#define NODES_PGSHIFT\t\t(NODES_PGOFF * (NODES_WIDTH != 0))\n#define ZONES_PGSHIFT\t\t(ZONES_PGOFF * (ZONES_WIDTH != 0))\n#define LAST_NID_PGSHIFT\t(LAST_NID_PGOFF * (LAST_NID_WIDTH != 0))","/* NODE:ZONE or SECTION:ZONE is used to ID a zone for the buddy allocator */\n#ifdef NODE_NOT_IN_PAGE_FLAGS\n#define ZONEID_SHIFT\t\t(SECTIONS_SHIFT + ZONES_SHIFT)\n#define ZONEID_PGOFF\t\t((SECTIONS_PGOFF < ZONES_PGOFF)? \\\n\t\t\t\t\t\tSECTIONS_PGOFF : ZONES_PGOFF)\n#else\n#define ZONEID_SHIFT\t\t(NODES_SHIFT + ZONES_SHIFT)\n#define ZONEID_PGOFF\t\t((NODES_PGOFF < ZONES_PGOFF)? \\\n\t\t\t\t\t\tNODES_PGOFF : ZONES_PGOFF)\n#endif","#define ZONEID_PGSHIFT\t\t(ZONEID_PGOFF * (ZONEID_SHIFT != 0))","#if SECTIONS_WIDTH+NODES_WIDTH+ZONES_WIDTH > BITS_PER_LONG - NR_PAGEFLAGS\n#error SECTIONS_WIDTH+NODES_WIDTH+ZONES_WIDTH > BITS_PER_LONG - NR_PAGEFLAGS\n#endif","#define ZONES_MASK\t\t((1UL << ZONES_WIDTH) - 1)\n#define NODES_MASK\t\t((1UL << NODES_WIDTH) - 1)\n#define SECTIONS_MASK\t\t((1UL << SECTIONS_WIDTH) - 1)\n#define LAST_NID_MASK\t\t((1UL << LAST_NID_WIDTH) - 1)\n#define ZONEID_MASK\t\t((1UL << ZONEID_SHIFT) - 1)","static inline enum zone_type page_zonenum(const struct page *page)\n{\n\treturn (page->flags >> ZONES_PGSHIFT) & ZONES_MASK;\n}","#if defined(CONFIG_SPARSEMEM) && !defined(CONFIG_SPARSEMEM_VMEMMAP)\n#define SECTION_IN_PAGE_FLAGS\n#endif","/*\n * The identification function is only used by the buddy allocator for\n * determining if two pages could be buddies. We are not really\n * identifying a zone since we could be using a the section number\n * id if we have not node id available in page flags.\n * We guarantee only that it will return the same value for two\n * combinable pages in a zone.\n */\nstatic inline int page_zone_id(struct page *page)\n{\n\treturn (page->flags >> ZONEID_PGSHIFT) & ZONEID_MASK;\n}","static inline int zone_to_nid(struct zone *zone)\n{\n#ifdef CONFIG_NUMA\n\treturn zone->node;\n#else\n\treturn 0;\n#endif\n}","#ifdef NODE_NOT_IN_PAGE_FLAGS\nextern int page_to_nid(const struct page *page);\n#else\nstatic inline int page_to_nid(const struct page *page)\n{\n\treturn (page->flags >> NODES_PGSHIFT) & NODES_MASK;\n}\n#endif","#ifdef CONFIG_NUMA_BALANCING\n#ifdef LAST_NID_NOT_IN_PAGE_FLAGS\nstatic inline int page_nid_xchg_last(struct page *page, int nid)\n{\n\treturn xchg(&page->_last_nid, nid);\n}","static inline int page_nid_last(struct page *page)\n{\n\treturn page->_last_nid;\n}\nstatic inline void page_nid_reset_last(struct page *page)\n{\n\tpage->_last_nid = -1;\n}\n#else\nstatic inline int page_nid_last(struct page *page)\n{\n\treturn (page->flags >> LAST_NID_PGSHIFT) & LAST_NID_MASK;\n}","extern int page_nid_xchg_last(struct page *page, int nid);","static inline void page_nid_reset_last(struct page *page)\n{\n\tint nid = (1 << LAST_NID_SHIFT) - 1;","\tpage->flags &= ~(LAST_NID_MASK << LAST_NID_PGSHIFT);\n\tpage->flags |= (nid & LAST_NID_MASK) << LAST_NID_PGSHIFT;\n}\n#endif /* LAST_NID_NOT_IN_PAGE_FLAGS */\n#else\nstatic inline int page_nid_xchg_last(struct page *page, int nid)\n{\n\treturn page_to_nid(page);\n}","static inline int page_nid_last(struct page *page)\n{\n\treturn page_to_nid(page);\n}","static inline void page_nid_reset_last(struct page *page)\n{\n}\n#endif","static inline struct zone *page_zone(const struct page *page)\n{\n\treturn &NODE_DATA(page_to_nid(page))->node_zones[page_zonenum(page)];\n}","#ifdef SECTION_IN_PAGE_FLAGS\nstatic inline void set_page_section(struct page *page, unsigned long section)\n{\n\tpage->flags &= ~(SECTIONS_MASK << SECTIONS_PGSHIFT);\n\tpage->flags |= (section & SECTIONS_MASK) << SECTIONS_PGSHIFT;\n}","static inline unsigned long page_to_section(const struct page *page)\n{\n\treturn (page->flags >> SECTIONS_PGSHIFT) & SECTIONS_MASK;\n}\n#endif","static inline void set_page_zone(struct page *page, enum zone_type zone)\n{\n\tpage->flags &= ~(ZONES_MASK << ZONES_PGSHIFT);\n\tpage->flags |= (zone & ZONES_MASK) << ZONES_PGSHIFT;\n}","static inline void set_page_node(struct page *page, unsigned long node)\n{\n\tpage->flags &= ~(NODES_MASK << NODES_PGSHIFT);\n\tpage->flags |= (node & NODES_MASK) << NODES_PGSHIFT;\n}","static inline void set_page_links(struct page *page, enum zone_type zone,\n\tunsigned long node, unsigned long pfn)\n{\n\tset_page_zone(page, zone);\n\tset_page_node(page, node);\n#ifdef SECTION_IN_PAGE_FLAGS\n\tset_page_section(page, pfn_to_section_nr(pfn));\n#endif\n}","/*\n * Some inline functions in vmstat.h depend on page_zone()\n */\n#include <linux/vmstat.h>","static __always_inline void *lowmem_page_address(const struct page *page)\n{\n\treturn __va(PFN_PHYS(page_to_pfn(page)));\n}","#if defined(CONFIG_HIGHMEM) && !defined(WANT_PAGE_VIRTUAL)\n#define HASHED_PAGE_VIRTUAL\n#endif","#if defined(WANT_PAGE_VIRTUAL)\n#define page_address(page) ((page)->virtual)\n#define set_page_address(page, address)\t\t\t\\\n\tdo {\t\t\t\t\t\t\\\n\t\t(page)->virtual = (address);\t\t\\\n\t} while(0)\n#define page_address_init() do { } while(0)\n#endif","#if defined(HASHED_PAGE_VIRTUAL)\nvoid *page_address(const struct page *page);\nvoid set_page_address(struct page *page, void *virtual);\nvoid page_address_init(void);\n#endif","#if !defined(HASHED_PAGE_VIRTUAL) && !defined(WANT_PAGE_VIRTUAL)\n#define page_address(page) lowmem_page_address(page)\n#define set_page_address(page, address) do { } while(0)\n#define page_address_init() do { } while(0)\n#endif","/*\n * On an anonymous page mapped into a user virtual memory area,\n * page->mapping points to its anon_vma, not to a struct address_space;\n * with the PAGE_MAPPING_ANON bit set to distinguish it. See rmap.h.\n *\n * On an anonymous page in a VM_MERGEABLE area, if CONFIG_KSM is enabled,\n * the PAGE_MAPPING_KSM bit may be set along with the PAGE_MAPPING_ANON bit;\n * and then page->mapping points, not to an anon_vma, but to a private\n * structure which KSM associates with that merged page. See ksm.h.\n *\n * PAGE_MAPPING_KSM without PAGE_MAPPING_ANON is currently never used.\n *\n * Please note that, confusingly, \"page_mapping\" refers to the inode\n * address_space which maps the page from disk; whereas \"page_mapped\"\n * refers to user virtual address space into which the page is mapped.\n */\n#define PAGE_MAPPING_ANON\t1\n#define PAGE_MAPPING_KSM\t2\n#define PAGE_MAPPING_FLAGS\t(PAGE_MAPPING_ANON | PAGE_MAPPING_KSM)","extern struct address_space *page_mapping(struct page *page);","/* Neutral page->mapping pointer to address_space or anon_vma or other */\nstatic inline void *page_rmapping(struct page *page)\n{\n\treturn (void *)((unsigned long)page->mapping & ~PAGE_MAPPING_FLAGS);\n}","extern struct address_space *__page_file_mapping(struct page *);","static inline\nstruct address_space *page_file_mapping(struct page *page)\n{\n\tif (unlikely(PageSwapCache(page)))\n\t\treturn __page_file_mapping(page);","\treturn page->mapping;\n}","static inline int PageAnon(struct page *page)\n{\n\treturn ((unsigned long)page->mapping & PAGE_MAPPING_ANON) != 0;\n}","/*\n * Return the pagecache index of the passed page. Regular pagecache pages\n * use ->index whereas swapcache pages use ->private\n */\nstatic inline pgoff_t page_index(struct page *page)\n{\n\tif (unlikely(PageSwapCache(page)))\n\t\treturn page_private(page);\n\treturn page->index;\n}","extern pgoff_t __page_file_index(struct page *page);","/*\n * Return the file index of the page. Regular pagecache pages use ->index\n * whereas swapcache pages use swp_offset(->private)\n */\nstatic inline pgoff_t page_file_index(struct page *page)\n{\n\tif (unlikely(PageSwapCache(page)))\n\t\treturn __page_file_index(page);","\treturn page->index;\n}","/*\n * Return true if this page is mapped into pagetables.\n */\nstatic inline int page_mapped(struct page *page)\n{\n\treturn atomic_read(&(page)->_mapcount) >= 0;\n}","/*\n * Different kinds of faults, as returned by handle_mm_fault().\n * Used to decide whether a process gets delivered SIGBUS or\n * just gets major/minor fault counters bumped up.\n */","#define VM_FAULT_MINOR\t0 /* For backwards compat. Remove me quickly. */","#define VM_FAULT_OOM\t0x0001\n#define VM_FAULT_SIGBUS\t0x0002\n#define VM_FAULT_MAJOR\t0x0004\n#define VM_FAULT_WRITE\t0x0008\t/* Special case for get_user_pages */\n#define VM_FAULT_HWPOISON 0x0010\t/* Hit poisoned small page */\n#define VM_FAULT_HWPOISON_LARGE 0x0020 /* Hit poisoned large page. Index encoded in upper bits */","#define VM_FAULT_NOPAGE\t0x0100\t/* ->fault installed the pte, not return page */\n#define VM_FAULT_LOCKED\t0x0200\t/* ->fault locked the returned page */\n#define VM_FAULT_RETRY\t0x0400\t/* ->fault blocked, must retry */","#define VM_FAULT_HWPOISON_LARGE_MASK 0xf000 /* encodes hpage index for large hwpoison */","#define VM_FAULT_ERROR\t(VM_FAULT_OOM | VM_FAULT_SIGBUS | VM_FAULT_HWPOISON | \\\n\t\t\t VM_FAULT_HWPOISON_LARGE)","/* Encode hstate index for a hwpoisoned large page */\n#define VM_FAULT_SET_HINDEX(x) ((x) << 12)\n#define VM_FAULT_GET_HINDEX(x) (((x) >> 12) & 0xf)","/*\n * Can be called by the pagefault handler when it gets a VM_FAULT_OOM.\n */\nextern void pagefault_out_of_memory(void);","#define offset_in_page(p)\t((unsigned long)(p) & ~PAGE_MASK)","/*\n * Flags passed to show_mem() and show_free_areas() to suppress output in\n * various contexts.\n */\n#define SHOW_MEM_FILTER_NODES\t(0x0001u)\t/* filter disallowed nodes */","extern void show_free_areas(unsigned int flags);\nextern bool skip_free_areas_node(unsigned int flags, int nid);","int shmem_zero_setup(struct vm_area_struct *);","extern int can_do_mlock(void);\nextern int user_shm_lock(size_t, struct user_struct *);\nextern void user_shm_unlock(size_t, struct user_struct *);","/*\n * Parameter block passed down to zap_pte_range in exceptional cases.\n */\nstruct zap_details {\n\tstruct vm_area_struct *nonlinear_vma;\t/* Check page->index if set */\n\tstruct address_space *check_mapping;\t/* Check page->mapping if set */\n\tpgoff_t\tfirst_index;\t\t\t/* Lowest page->index to unmap */\n\tpgoff_t last_index;\t\t\t/* Highest page->index to unmap */\n};","struct page *vm_normal_page(struct vm_area_struct *vma, unsigned long addr,\n\t\tpte_t pte);","int zap_vma_ptes(struct vm_area_struct *vma, unsigned long address,\n\t\tunsigned long size);\nvoid zap_page_range(struct vm_area_struct *vma, unsigned long address,\n\t\tunsigned long size, struct zap_details *);\nvoid unmap_vmas(struct mmu_gather *tlb, struct vm_area_struct *start_vma,\n\t\tunsigned long start, unsigned long end);","/**\n * mm_walk - callbacks for walk_page_range\n * @pgd_entry: if set, called for each non-empty PGD (top-level) entry\n * @pud_entry: if set, called for each non-empty PUD (2nd-level) entry\n * @pmd_entry: if set, called for each non-empty PMD (3rd-level) entry\n *\t this handler is required to be able to handle\n *\t pmd_trans_huge() pmds. They may simply choose to\n *\t split_huge_page() instead of handling it explicitly.\n * @pte_entry: if set, called for each non-empty PTE (4th-level) entry\n * @pte_hole: if set, called for each hole at all levels\n * @hugetlb_entry: if set, called for each hugetlb entry\n *\t\t *Caution*: The caller must hold mmap_sem() if @hugetlb_entry\n * \t\t\t is used.\n *\n * (see walk_page_range for more details)\n */\nstruct mm_walk {\n\tint (*pgd_entry)(pgd_t *, unsigned long, unsigned long, struct mm_walk *);\n\tint (*pud_entry)(pud_t *, unsigned long, unsigned long, struct mm_walk *);\n\tint (*pmd_entry)(pmd_t *, unsigned long, unsigned long, struct mm_walk *);\n\tint (*pte_entry)(pte_t *, unsigned long, unsigned long, struct mm_walk *);\n\tint (*pte_hole)(unsigned long, unsigned long, struct mm_walk *);\n\tint (*hugetlb_entry)(pte_t *, unsigned long,\n\t\t\t unsigned long, unsigned long, struct mm_walk *);\n\tstruct mm_struct *mm;\n\tvoid *private;\n};","int walk_page_range(unsigned long addr, unsigned long end,\n\t\tstruct mm_walk *walk);\nvoid free_pgd_range(struct mmu_gather *tlb, unsigned long addr,\n\t\tunsigned long end, unsigned long floor, unsigned long ceiling);\nint copy_page_range(struct mm_struct *dst, struct mm_struct *src,\n\t\t\tstruct vm_area_struct *vma);\nvoid unmap_mapping_range(struct address_space *mapping,\n\t\tloff_t const holebegin, loff_t const holelen, int even_cows);\nint follow_pfn(struct vm_area_struct *vma, unsigned long address,\n\tunsigned long *pfn);\nint follow_phys(struct vm_area_struct *vma, unsigned long address,\n\t\tunsigned int flags, unsigned long *prot, resource_size_t *phys);\nint generic_access_phys(struct vm_area_struct *vma, unsigned long addr,\n\t\t\tvoid *buf, int len, int write);","static inline void unmap_shared_mapping_range(struct address_space *mapping,\n\t\tloff_t const holebegin, loff_t const holelen)\n{\n\tunmap_mapping_range(mapping, holebegin, holelen, 0);\n}","extern void truncate_pagecache(struct inode *inode, loff_t old, loff_t new);\nextern void truncate_setsize(struct inode *inode, loff_t newsize);\nvoid truncate_pagecache_range(struct inode *inode, loff_t offset, loff_t end);\nint truncate_inode_page(struct address_space *mapping, struct page *page);\nint generic_error_remove_page(struct address_space *mapping, struct page *page);\nint invalidate_inode_page(struct page *page);","#ifdef CONFIG_MMU\nextern int handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma,\n\t\t\tunsigned long address, unsigned int flags);\nextern int fixup_user_fault(struct task_struct *tsk, struct mm_struct *mm,\n\t\t\t unsigned long address, unsigned int fault_flags);\n#else\nstatic inline int handle_mm_fault(struct mm_struct *mm,\n\t\t\tstruct vm_area_struct *vma, unsigned long address,\n\t\t\tunsigned int flags)\n{\n\t/* should never happen if there's no MMU */\n\tBUG();\n\treturn VM_FAULT_SIGBUS;\n}\nstatic inline int fixup_user_fault(struct task_struct *tsk,\n\t\tstruct mm_struct *mm, unsigned long address,\n\t\tunsigned int fault_flags)\n{\n\t/* should never happen if there's no MMU */\n\tBUG();\n\treturn -EFAULT;\n}\n#endif","extern int access_process_vm(struct task_struct *tsk, unsigned long addr, void *buf, int len, int write);\nextern int access_remote_vm(struct mm_struct *mm, unsigned long addr,\n\t\tvoid *buf, int len, int write);","long __get_user_pages(struct task_struct *tsk, struct mm_struct *mm,\n\t\t unsigned long start, unsigned long nr_pages,\n\t\t unsigned int foll_flags, struct page **pages,\n\t\t struct vm_area_struct **vmas, int *nonblocking);\nlong get_user_pages(struct task_struct *tsk, struct mm_struct *mm,\n\t\t unsigned long start, unsigned long nr_pages,\n\t\t int write, int force, struct page **pages,\n\t\t struct vm_area_struct **vmas);\nint get_user_pages_fast(unsigned long start, int nr_pages, int write,\n\t\t\tstruct page **pages);\nstruct kvec;\nint get_kernel_pages(const struct kvec *iov, int nr_pages, int write,\n\t\t\tstruct page **pages);\nint get_kernel_page(unsigned long start, int write, struct page **pages);\nstruct page *get_dump_page(unsigned long addr);","extern int try_to_release_page(struct page * page, gfp_t gfp_mask);\nextern void do_invalidatepage(struct page *page, unsigned long offset);","int __set_page_dirty_nobuffers(struct page *page);\nint __set_page_dirty_no_writeback(struct page *page);\nint redirty_page_for_writepage(struct writeback_control *wbc,\n\t\t\t\tstruct page *page);\nvoid account_page_dirtied(struct page *page, struct address_space *mapping);\nvoid account_page_writeback(struct page *page);\nint set_page_dirty(struct page *page);\nint set_page_dirty_lock(struct page *page);\nint clear_page_dirty_for_io(struct page *page);","/* Is the vma a continuation of the stack vma above it? */\nstatic inline int vma_growsdown(struct vm_area_struct *vma, unsigned long addr)\n{\n\treturn vma && (vma->vm_end == addr) && (vma->vm_flags & VM_GROWSDOWN);\n}","static inline int stack_guard_page_start(struct vm_area_struct *vma,\n\t\t\t\t\t unsigned long addr)\n{\n\treturn (vma->vm_flags & VM_GROWSDOWN) &&\n\t\t(vma->vm_start == addr) &&\n\t\t!vma_growsdown(vma->vm_prev, addr);\n}","/* Is the vma a continuation of the stack vma below it? */\nstatic inline int vma_growsup(struct vm_area_struct *vma, unsigned long addr)\n{\n\treturn vma && (vma->vm_start == addr) && (vma->vm_flags & VM_GROWSUP);\n}","static inline int stack_guard_page_end(struct vm_area_struct *vma,\n\t\t\t\t\t unsigned long addr)\n{\n\treturn (vma->vm_flags & VM_GROWSUP) &&\n\t\t(vma->vm_end == addr) &&\n\t\t!vma_growsup(vma->vm_next, addr);\n}","extern pid_t\nvm_is_stack(struct task_struct *task, struct vm_area_struct *vma, int in_group);","extern unsigned long move_page_tables(struct vm_area_struct *vma,\n\t\tunsigned long old_addr, struct vm_area_struct *new_vma,\n\t\tunsigned long new_addr, unsigned long len,\n\t\tbool need_rmap_locks);\nextern unsigned long do_mremap(unsigned long addr,\n\t\t\t unsigned long old_len, unsigned long new_len,\n\t\t\t unsigned long flags, unsigned long new_addr);\nextern unsigned long change_protection(struct vm_area_struct *vma, unsigned long start,\n\t\t\t unsigned long end, pgprot_t newprot,\n\t\t\t int dirty_accountable, int prot_numa);\nextern int mprotect_fixup(struct vm_area_struct *vma,\n\t\t\t struct vm_area_struct **pprev, unsigned long start,\n\t\t\t unsigned long end, unsigned long newflags);","/*\n * doesn't attempt to fault and will return short.\n */\nint __get_user_pages_fast(unsigned long start, int nr_pages, int write,\n\t\t\t struct page **pages);\n/*\n * per-process(per-mm_struct) statistics.\n */\nstatic inline unsigned long get_mm_counter(struct mm_struct *mm, int member)\n{\n\tlong val = atomic_long_read(&mm->rss_stat.count[member]);","#ifdef SPLIT_RSS_COUNTING\n\t/*\n\t * counter is updated in asynchronous manner and may go to minus.\n\t * But it's never be expected number for users.\n\t */\n\tif (val < 0)\n\t\tval = 0;\n#endif\n\treturn (unsigned long)val;\n}","static inline void add_mm_counter(struct mm_struct *mm, int member, long value)\n{\n\tatomic_long_add(value, &mm->rss_stat.count[member]);\n}","static inline void inc_mm_counter(struct mm_struct *mm, int member)\n{\n\tatomic_long_inc(&mm->rss_stat.count[member]);\n}","static inline void dec_mm_counter(struct mm_struct *mm, int member)\n{\n\tatomic_long_dec(&mm->rss_stat.count[member]);\n}","static inline unsigned long get_mm_rss(struct mm_struct *mm)\n{\n\treturn get_mm_counter(mm, MM_FILEPAGES) +\n\t\tget_mm_counter(mm, MM_ANONPAGES);\n}","static inline unsigned long get_mm_hiwater_rss(struct mm_struct *mm)\n{\n\treturn max(mm->hiwater_rss, get_mm_rss(mm));\n}","static inline unsigned long get_mm_hiwater_vm(struct mm_struct *mm)\n{\n\treturn max(mm->hiwater_vm, mm->total_vm);\n}","static inline void update_hiwater_rss(struct mm_struct *mm)\n{\n\tunsigned long _rss = get_mm_rss(mm);","\tif ((mm)->hiwater_rss < _rss)\n\t\t(mm)->hiwater_rss = _rss;\n}","static inline void update_hiwater_vm(struct mm_struct *mm)\n{\n\tif (mm->hiwater_vm < mm->total_vm)\n\t\tmm->hiwater_vm = mm->total_vm;\n}","static inline void setmax_mm_hiwater_rss(unsigned long *maxrss,\n\t\t\t\t\t struct mm_struct *mm)\n{\n\tunsigned long hiwater_rss = get_mm_hiwater_rss(mm);","\tif (*maxrss < hiwater_rss)\n\t\t*maxrss = hiwater_rss;\n}","#if defined(SPLIT_RSS_COUNTING)\nvoid sync_mm_rss(struct mm_struct *mm);\n#else\nstatic inline void sync_mm_rss(struct mm_struct *mm)\n{\n}\n#endif","int vma_wants_writenotify(struct vm_area_struct *vma);","extern pte_t *__get_locked_pte(struct mm_struct *mm, unsigned long addr,\n\t\t\t spinlock_t **ptl);\nstatic inline pte_t *get_locked_pte(struct mm_struct *mm, unsigned long addr,\n\t\t\t\t spinlock_t **ptl)\n{\n\tpte_t *ptep;\n\t__cond_lock(*ptl, ptep = __get_locked_pte(mm, addr, ptl));\n\treturn ptep;\n}","#ifdef __PAGETABLE_PUD_FOLDED\nstatic inline int __pud_alloc(struct mm_struct *mm, pgd_t *pgd,\n\t\t\t\t\t\tunsigned long address)\n{\n\treturn 0;\n}\n#else\nint __pud_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long address);\n#endif","#ifdef __PAGETABLE_PMD_FOLDED\nstatic inline int __pmd_alloc(struct mm_struct *mm, pud_t *pud,\n\t\t\t\t\t\tunsigned long address)\n{\n\treturn 0;\n}\n#else\nint __pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long address);\n#endif","int __pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma,\n\t\tpmd_t *pmd, unsigned long address);\nint __pte_alloc_kernel(pmd_t *pmd, unsigned long address);","/*\n * The following ifdef needed to get the 4level-fixup.h header to work.\n * Remove it when 4level-fixup.h has been removed.\n */\n#if defined(CONFIG_MMU) && !defined(__ARCH_HAS_4LEVEL_HACK)\nstatic inline pud_t *pud_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long address)\n{\n\treturn (unlikely(pgd_none(*pgd)) && __pud_alloc(mm, pgd, address))?\n\t\tNULL: pud_offset(pgd, address);\n}","static inline pmd_t *pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long address)\n{\n\treturn (unlikely(pud_none(*pud)) && __pmd_alloc(mm, pud, address))?\n\t\tNULL: pmd_offset(pud, address);\n}\n#endif /* CONFIG_MMU && !__ARCH_HAS_4LEVEL_HACK */","#if USE_SPLIT_PTLOCKS\n/*\n * We tuck a spinlock to guard each pagetable page into its struct page,\n * at page->private, with BUILD_BUG_ON to make sure that this will not\n * overflow into the next struct page (as it might with DEBUG_SPINLOCK).\n * When freeing, reset page->mapping so free_pages_check won't complain.\n */\n#define __pte_lockptr(page)\t&((page)->ptl)\n#define pte_lock_init(_page)\tdo {\t\t\t\t\t\\\n\tspin_lock_init(__pte_lockptr(_page));\t\t\t\t\\\n} while (0)\n#define pte_lock_deinit(page)\t((page)->mapping = NULL)\n#define pte_lockptr(mm, pmd)\t({(void)(mm); __pte_lockptr(pmd_page(*(pmd)));})\n#else\t/* !USE_SPLIT_PTLOCKS */\n/*\n * We use mm->page_table_lock to guard all pagetable pages of the mm.\n */\n#define pte_lock_init(page)\tdo {} while (0)\n#define pte_lock_deinit(page)\tdo {} while (0)\n#define pte_lockptr(mm, pmd)\t({(void)(pmd); &(mm)->page_table_lock;})\n#endif /* USE_SPLIT_PTLOCKS */","static inline void pgtable_page_ctor(struct page *page)\n{\n\tpte_lock_init(page);\n\tinc_zone_page_state(page, NR_PAGETABLE);\n}","static inline void pgtable_page_dtor(struct page *page)\n{\n\tpte_lock_deinit(page);\n\tdec_zone_page_state(page, NR_PAGETABLE);\n}","#define pte_offset_map_lock(mm, pmd, address, ptlp)\t\\\n({\t\t\t\t\t\t\t\\\n\tspinlock_t *__ptl = pte_lockptr(mm, pmd);\t\\\n\tpte_t *__pte = pte_offset_map(pmd, address);\t\\\n\t*(ptlp) = __ptl;\t\t\t\t\\\n\tspin_lock(__ptl);\t\t\t\t\\\n\t__pte;\t\t\t\t\t\t\\\n})","#define pte_unmap_unlock(pte, ptl)\tdo {\t\t\\\n\tspin_unlock(ptl);\t\t\t\t\\\n\tpte_unmap(pte);\t\t\t\t\t\\\n} while (0)","#define pte_alloc_map(mm, vma, pmd, address)\t\t\t\t\\\n\t((unlikely(pmd_none(*(pmd))) && __pte_alloc(mm, vma,\t\\\n\t\t\t\t\t\t\tpmd, address))?\t\\\n\t NULL: pte_offset_map(pmd, address))","#define pte_alloc_map_lock(mm, pmd, address, ptlp)\t\\\n\t((unlikely(pmd_none(*(pmd))) && __pte_alloc(mm, NULL,\t\\\n\t\t\t\t\t\t\tpmd, address))?\t\\\n\t\tNULL: pte_offset_map_lock(mm, pmd, address, ptlp))","#define pte_alloc_kernel(pmd, address)\t\t\t\\\n\t((unlikely(pmd_none(*(pmd))) && __pte_alloc_kernel(pmd, address))? \\\n\t\tNULL: pte_offset_kernel(pmd, address))","extern void free_area_init(unsigned long * zones_size);\nextern void free_area_init_node(int nid, unsigned long * zones_size,\n\t\tunsigned long zone_start_pfn, unsigned long *zholes_size);\nextern void free_initmem(void);","#ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP\n/*\n * With CONFIG_HAVE_MEMBLOCK_NODE_MAP set, an architecture may initialise its\n * zones, allocate the backing mem_map and account for memory holes in a more\n * architecture independent manner. This is a substitute for creating the\n * zone_sizes[] and zholes_size[] arrays and passing them to\n * free_area_init_node()\n *\n * An architecture is expected to register range of page frames backed by\n * physical memory with memblock_add[_node]() before calling\n * free_area_init_nodes() passing in the PFN each zone ends at. At a basic\n * usage, an architecture is expected to do something like\n *\n * unsigned long max_zone_pfns[MAX_NR_ZONES] = {max_dma, max_normal_pfn,\n * \t\t\t\t\t\t\t max_highmem_pfn};\n * for_each_valid_physical_page_range()\n * \tmemblock_add_node(base, size, nid)\n * free_area_init_nodes(max_zone_pfns);\n *\n * free_bootmem_with_active_regions() calls free_bootmem_node() for each\n * registered physical page range. Similarly\n * sparse_memory_present_with_active_regions() calls memory_present() for\n * each range when SPARSEMEM is enabled.\n *\n * See mm/page_alloc.c for more information on each function exposed by\n * CONFIG_HAVE_MEMBLOCK_NODE_MAP.\n */\nextern void free_area_init_nodes(unsigned long *max_zone_pfn);\nunsigned long node_map_pfn_alignment(void);\nunsigned long __absent_pages_in_range(int nid, unsigned long start_pfn,\n\t\t\t\t\t\tunsigned long end_pfn);\nextern unsigned long absent_pages_in_range(unsigned long start_pfn,\n\t\t\t\t\t\tunsigned long end_pfn);\nextern void get_pfn_range_for_nid(unsigned int nid,\n\t\t\tunsigned long *start_pfn, unsigned long *end_pfn);\nextern unsigned long find_min_pfn_with_active_regions(void);\nextern void free_bootmem_with_active_regions(int nid,\n\t\t\t\t\t\tunsigned long max_low_pfn);\nextern void sparse_memory_present_with_active_regions(int nid);","#endif /* CONFIG_HAVE_MEMBLOCK_NODE_MAP */","#if !defined(CONFIG_HAVE_MEMBLOCK_NODE_MAP) && \\\n !defined(CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID)\nstatic inline int __early_pfn_to_nid(unsigned long pfn)\n{\n\treturn 0;\n}\n#else\n/* please see mm/page_alloc.c */\nextern int __meminit early_pfn_to_nid(unsigned long pfn);\n#ifdef CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID\n/* there is a per-arch backend function. */\nextern int __meminit __early_pfn_to_nid(unsigned long pfn);\n#endif /* CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID */\n#endif","extern void set_dma_reserve(unsigned long new_dma_reserve);\nextern void memmap_init_zone(unsigned long, int, unsigned long,\n\t\t\t\tunsigned long, enum memmap_context);\nextern void setup_per_zone_wmarks(void);\nextern int __meminit init_per_zone_wmark_min(void);\nextern void mem_init(void);\nextern void __init mmap_init(void);\nextern void show_mem(unsigned int flags);\nextern void si_meminfo(struct sysinfo * val);\nextern void si_meminfo_node(struct sysinfo *val, int nid);","extern __printf(3, 4)\nvoid warn_alloc_failed(gfp_t gfp_mask, int order, const char *fmt, ...);","extern void setup_per_cpu_pageset(void);","extern void zone_pcp_update(struct zone *zone);\nextern void zone_pcp_reset(struct zone *zone);","/* page_alloc.c */\nextern int min_free_kbytes;","/* nommu.c */\nextern atomic_long_t mmap_pages_allocated;\nextern int nommu_shrink_inode_mappings(struct inode *, size_t, size_t);","/* interval_tree.c */\nvoid vma_interval_tree_insert(struct vm_area_struct *node,\n\t\t\t struct rb_root *root);\nvoid vma_interval_tree_insert_after(struct vm_area_struct *node,\n\t\t\t\t struct vm_area_struct *prev,\n\t\t\t\t struct rb_root *root);\nvoid vma_interval_tree_remove(struct vm_area_struct *node,\n\t\t\t struct rb_root *root);\nstruct vm_area_struct *vma_interval_tree_iter_first(struct rb_root *root,\n\t\t\t\tunsigned long start, unsigned long last);\nstruct vm_area_struct *vma_interval_tree_iter_next(struct vm_area_struct *node,\n\t\t\t\tunsigned long start, unsigned long last);","#define vma_interval_tree_foreach(vma, root, start, last)\t\t\\\n\tfor (vma = vma_interval_tree_iter_first(root, start, last);\t\\\n\t vma; vma = vma_interval_tree_iter_next(vma, start, last))","static inline void vma_nonlinear_insert(struct vm_area_struct *vma,\n\t\t\t\t\tstruct list_head *list)\n{\n\tlist_add_tail(&vma->shared.nonlinear, list);\n}","void anon_vma_interval_tree_insert(struct anon_vma_chain *node,\n\t\t\t\t struct rb_root *root);\nvoid anon_vma_interval_tree_remove(struct anon_vma_chain *node,\n\t\t\t\t struct rb_root *root);\nstruct anon_vma_chain *anon_vma_interval_tree_iter_first(\n\tstruct rb_root *root, unsigned long start, unsigned long last);\nstruct anon_vma_chain *anon_vma_interval_tree_iter_next(\n\tstruct anon_vma_chain *node, unsigned long start, unsigned long last);\n#ifdef CONFIG_DEBUG_VM_RB\nvoid anon_vma_interval_tree_verify(struct anon_vma_chain *node);\n#endif","#define anon_vma_interval_tree_foreach(avc, root, start, last)\t\t \\\n\tfor (avc = anon_vma_interval_tree_iter_first(root, start, last); \\\n\t avc; avc = anon_vma_interval_tree_iter_next(avc, start, last))","/* mmap.c */\nextern int __vm_enough_memory(struct mm_struct *mm, long pages, int cap_sys_admin);\nextern int vma_adjust(struct vm_area_struct *vma, unsigned long start,\n\tunsigned long end, pgoff_t pgoff, struct vm_area_struct *insert);\nextern struct vm_area_struct *vma_merge(struct mm_struct *,\n\tstruct vm_area_struct *prev, unsigned long addr, unsigned long end,\n\tunsigned long vm_flags, struct anon_vma *, struct file *, pgoff_t,\n\tstruct mempolicy *);\nextern struct anon_vma *find_mergeable_anon_vma(struct vm_area_struct *);\nextern int split_vma(struct mm_struct *,\n\tstruct vm_area_struct *, unsigned long addr, int new_below);\nextern int insert_vm_struct(struct mm_struct *, struct vm_area_struct *);\nextern void __vma_link_rb(struct mm_struct *, struct vm_area_struct *,\n\tstruct rb_node **, struct rb_node *);\nextern void unlink_file_vma(struct vm_area_struct *);\nextern struct vm_area_struct *copy_vma(struct vm_area_struct **,\n\tunsigned long addr, unsigned long len, pgoff_t pgoff,\n\tbool *need_rmap_locks);\nextern void exit_mmap(struct mm_struct *);","extern int mm_take_all_locks(struct mm_struct *mm);\nextern void mm_drop_all_locks(struct mm_struct *mm);","extern void set_mm_exe_file(struct mm_struct *mm, struct file *new_exe_file);\nextern struct file *get_mm_exe_file(struct mm_struct *mm);","extern int may_expand_vm(struct mm_struct *mm, unsigned long npages);\nextern int install_special_mapping(struct mm_struct *mm,\n\t\t\t\t unsigned long addr, unsigned long len,\n\t\t\t\t unsigned long flags, struct page **pages);","extern unsigned long get_unmapped_area(struct file *, unsigned long, unsigned long, unsigned long, unsigned long);","extern unsigned long mmap_region(struct file *file, unsigned long addr,\n\tunsigned long len, vm_flags_t vm_flags, unsigned long pgoff);\nextern unsigned long do_mmap_pgoff(struct file *file, unsigned long addr,\n\tunsigned long len, unsigned long prot, unsigned long flags,\n\tunsigned long pgoff, unsigned long *populate);\nextern int do_munmap(struct mm_struct *, unsigned long, size_t);","#ifdef CONFIG_MMU\nextern int __mm_populate(unsigned long addr, unsigned long len,\n\t\t\t int ignore_errors);\nstatic inline void mm_populate(unsigned long addr, unsigned long len)\n{\n\t/* Ignore errors */\n\t(void) __mm_populate(addr, len, 1);\n}\n#else\nstatic inline void mm_populate(unsigned long addr, unsigned long len) {}\n#endif","/* These take the mm semaphore themselves */\nextern unsigned long vm_brk(unsigned long, unsigned long);\nextern int vm_munmap(unsigned long, size_t);\nextern unsigned long vm_mmap(struct file *, unsigned long,\n unsigned long, unsigned long,\n unsigned long, unsigned long);","struct vm_unmapped_area_info {\n#define VM_UNMAPPED_AREA_TOPDOWN 1\n\tunsigned long flags;\n\tunsigned long length;\n\tunsigned long low_limit;\n\tunsigned long high_limit;\n\tunsigned long align_mask;\n\tunsigned long align_offset;\n};","extern unsigned long unmapped_area(struct vm_unmapped_area_info *info);\nextern unsigned long unmapped_area_topdown(struct vm_unmapped_area_info *info);","/*\n * Search for an unmapped address range.\n *\n * We are looking for a range that:\n * - does not intersect with any VMA;\n * - is contained within the [low_limit, high_limit) interval;\n * - is at least the desired size.\n * - satisfies (begin_addr & align_mask) == (align_offset & align_mask)\n */\nstatic inline unsigned long\nvm_unmapped_area(struct vm_unmapped_area_info *info)\n{\n\tif (!(info->flags & VM_UNMAPPED_AREA_TOPDOWN))\n\t\treturn unmapped_area(info);\n\telse\n\t\treturn unmapped_area_topdown(info);\n}","/* truncate.c */\nextern void truncate_inode_pages(struct address_space *, loff_t);\nextern void truncate_inode_pages_range(struct address_space *,\n\t\t\t\t loff_t lstart, loff_t lend);","/* generic vm_area_ops exported for stackable file systems */\nextern int filemap_fault(struct vm_area_struct *, struct vm_fault *);\nextern int filemap_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf);","/* mm/page-writeback.c */\nint write_one_page(struct page *page, int wait);\nvoid task_dirty_inc(struct task_struct *tsk);","/* readahead.c */\n#define VM_MAX_READAHEAD\t128\t/* kbytes */\n#define VM_MIN_READAHEAD\t16\t/* kbytes (includes current page) */","int force_page_cache_readahead(struct address_space *mapping, struct file *filp,\n\t\t\tpgoff_t offset, unsigned long nr_to_read);","void page_cache_sync_readahead(struct address_space *mapping,\n\t\t\t struct file_ra_state *ra,\n\t\t\t struct file *filp,\n\t\t\t pgoff_t offset,\n\t\t\t unsigned long size);","void page_cache_async_readahead(struct address_space *mapping,\n\t\t\t\tstruct file_ra_state *ra,\n\t\t\t\tstruct file *filp,\n\t\t\t\tstruct page *pg,\n\t\t\t\tpgoff_t offset,\n\t\t\t\tunsigned long size);","unsigned long max_sane_readahead(unsigned long nr);\nunsigned long ra_submit(struct file_ra_state *ra,\n\t\t\tstruct address_space *mapping,\n\t\t\tstruct file *filp);","/* Generic expand stack which grows the stack according to GROWS{UP,DOWN} */\nextern int expand_stack(struct vm_area_struct *vma, unsigned long address);","/* CONFIG_STACK_GROWSUP still needs to to grow downwards at some places */\nextern int expand_downwards(struct vm_area_struct *vma,\n\t\tunsigned long address);\n#if VM_GROWSUP\nextern int expand_upwards(struct vm_area_struct *vma, unsigned long address);\n#else\n #define expand_upwards(vma, address) do { } while (0)\n#endif","/* Look up the first VMA which satisfies addr < vm_end, NULL if none. */\nextern struct vm_area_struct * find_vma(struct mm_struct * mm, unsigned long addr);\nextern struct vm_area_struct * find_vma_prev(struct mm_struct * mm, unsigned long addr,\n\t\t\t\t\t struct vm_area_struct **pprev);","/* Look up the first VMA which intersects the interval start_addr..end_addr-1,\n NULL if none. Assume start_addr < end_addr. */\nstatic inline struct vm_area_struct * find_vma_intersection(struct mm_struct * mm, unsigned long start_addr, unsigned long end_addr)\n{\n\tstruct vm_area_struct * vma = find_vma(mm,start_addr);","\tif (vma && end_addr <= vma->vm_start)\n\t\tvma = NULL;\n\treturn vma;\n}","static inline unsigned long vma_pages(struct vm_area_struct *vma)\n{\n\treturn (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;\n}","/* Look up the first VMA which exactly match the interval vm_start ... vm_end */\nstatic inline struct vm_area_struct *find_exact_vma(struct mm_struct *mm,\n\t\t\t\tunsigned long vm_start, unsigned long vm_end)\n{\n\tstruct vm_area_struct *vma = find_vma(mm, vm_start);","\tif (vma && (vma->vm_start != vm_start || vma->vm_end != vm_end))\n\t\tvma = NULL;","\treturn vma;\n}","#ifdef CONFIG_MMU\npgprot_t vm_get_page_prot(unsigned long vm_flags);\n#else\nstatic inline pgprot_t vm_get_page_prot(unsigned long vm_flags)\n{\n\treturn __pgprot(0);\n}\n#endif","#ifdef CONFIG_ARCH_USES_NUMA_PROT_NONE\nunsigned long change_prot_numa(struct vm_area_struct *vma,\n\t\t\tunsigned long start, unsigned long end);\n#endif","struct vm_area_struct *find_extend_vma(struct mm_struct *, unsigned long addr);\nint remap_pfn_range(struct vm_area_struct *, unsigned long addr,\n\t\t\tunsigned long pfn, unsigned long size, pgprot_t);\nint vm_insert_page(struct vm_area_struct *, unsigned long addr, struct page *);\nint vm_insert_pfn(struct vm_area_struct *vma, unsigned long addr,\n\t\t\tunsigned long pfn);\nint vm_insert_mixed(struct vm_area_struct *vma, unsigned long addr,\n\t\t\tunsigned long pfn);","int vm_iomap_memory(struct vm_area_struct *vma, phys_addr_t start, unsigned long len);\n","\nstruct page *follow_page_mask(struct vm_area_struct *vma,\n\t\t\t unsigned long address, unsigned int foll_flags,\n\t\t\t unsigned int *page_mask);","static inline struct page *follow_page(struct vm_area_struct *vma,\n\t\tunsigned long address, unsigned int foll_flags)\n{\n\tunsigned int unused_page_mask;\n\treturn follow_page_mask(vma, address, foll_flags, &unused_page_mask);\n}","#define FOLL_WRITE\t0x01\t/* check pte is writable */\n#define FOLL_TOUCH\t0x02\t/* mark page accessed */\n#define FOLL_GET\t0x04\t/* do get_page on page */\n#define FOLL_DUMP\t0x08\t/* give error on hole if it would be zero */\n#define FOLL_FORCE\t0x10\t/* get_user_pages read/write w/o permission */\n#define FOLL_NOWAIT\t0x20\t/* if a disk transfer is needed, start the IO\n\t\t\t\t * and return without waiting upon it */\n#define FOLL_MLOCK\t0x40\t/* mark page as mlocked */\n#define FOLL_SPLIT\t0x80\t/* don't return transhuge pages, split them */\n#define FOLL_HWPOISON\t0x100\t/* check page is hwpoisoned */\n#define FOLL_NUMA\t0x200\t/* force NUMA hinting page fault */\n#define FOLL_MIGRATION\t0x400\t/* wait for page to replace migration entry */","typedef int (*pte_fn_t)(pte_t *pte, pgtable_t token, unsigned long addr,\n\t\t\tvoid *data);\nextern int apply_to_page_range(struct mm_struct *mm, unsigned long address,\n\t\t\t unsigned long size, pte_fn_t fn, void *data);","#ifdef CONFIG_PROC_FS\nvoid vm_stat_account(struct mm_struct *, unsigned long, struct file *, long);\n#else\nstatic inline void vm_stat_account(struct mm_struct *mm,\n\t\t\tunsigned long flags, struct file *file, long pages)\n{\n\tmm->total_vm += pages;\n}\n#endif /* CONFIG_PROC_FS */","#ifdef CONFIG_DEBUG_PAGEALLOC\nextern void kernel_map_pages(struct page *page, int numpages, int enable);\n#ifdef CONFIG_HIBERNATION\nextern bool kernel_page_present(struct page *page);\n#endif /* CONFIG_HIBERNATION */\n#else\nstatic inline void\nkernel_map_pages(struct page *page, int numpages, int enable) {}\n#ifdef CONFIG_HIBERNATION\nstatic inline bool kernel_page_present(struct page *page) { return true; }\n#endif /* CONFIG_HIBERNATION */\n#endif","extern struct vm_area_struct *get_gate_vma(struct mm_struct *mm);\n#ifdef\t__HAVE_ARCH_GATE_AREA\nint in_gate_area_no_mm(unsigned long addr);\nint in_gate_area(struct mm_struct *mm, unsigned long addr);\n#else\nint in_gate_area_no_mm(unsigned long addr);\n#define in_gate_area(mm, addr) ({(void)mm; in_gate_area_no_mm(addr);})\n#endif\t/* __HAVE_ARCH_GATE_AREA */","int drop_caches_sysctl_handler(struct ctl_table *, int,\n\t\t\t\t\tvoid __user *, size_t *, loff_t *);\nunsigned long shrink_slab(struct shrink_control *shrink,\n\t\t\t unsigned long nr_pages_scanned,\n\t\t\t unsigned long lru_pages);","#ifndef CONFIG_MMU\n#define randomize_va_space 0\n#else\nextern int randomize_va_space;\n#endif","const char * arch_vma_name(struct vm_area_struct *vma);\nvoid print_vma_addr(char *prefix, unsigned long rip);","void sparse_mem_maps_populate_node(struct page **map_map,\n\t\t\t\t unsigned long pnum_begin,\n\t\t\t\t unsigned long pnum_end,\n\t\t\t\t unsigned long map_count,\n\t\t\t\t int nodeid);","struct page *sparse_mem_map_populate(unsigned long pnum, int nid);\npgd_t *vmemmap_pgd_populate(unsigned long addr, int node);\npud_t *vmemmap_pud_populate(pgd_t *pgd, unsigned long addr, int node);\npmd_t *vmemmap_pmd_populate(pud_t *pud, unsigned long addr, int node);\npte_t *vmemmap_pte_populate(pmd_t *pmd, unsigned long addr, int node);\nvoid *vmemmap_alloc_block(unsigned long size, int node);\nvoid *vmemmap_alloc_block_buf(unsigned long size, int node);\nvoid vmemmap_verify(pte_t *, int, unsigned long, unsigned long);\nint vmemmap_populate_basepages(struct page *start_page,\n\t\t\t\t\t\tunsigned long pages, int node);\nint vmemmap_populate(struct page *start_page, unsigned long pages, int node);\nvoid vmemmap_populate_print_last(void);\n#ifdef CONFIG_MEMORY_HOTPLUG\nvoid vmemmap_free(struct page *memmap, unsigned long nr_pages);\n#endif\nvoid register_page_bootmem_memmap(unsigned long section_nr, struct page *map,\n\t\t\t\t unsigned long size);","enum mf_flags {\n\tMF_COUNT_INCREASED = 1 << 0,\n\tMF_ACTION_REQUIRED = 1 << 1,\n\tMF_MUST_KILL = 1 << 2,\n};\nextern int memory_failure(unsigned long pfn, int trapno, int flags);\nextern void memory_failure_queue(unsigned long pfn, int trapno, int flags);\nextern int unpoison_memory(unsigned long pfn);\nextern int sysctl_memory_failure_early_kill;\nextern int sysctl_memory_failure_recovery;\nextern void shake_page(struct page *p, int access);\nextern atomic_long_t num_poisoned_pages;\nextern int soft_offline_page(struct page *page, int flags);","extern void dump_page(struct page *page);","#if defined(CONFIG_TRANSPARENT_HUGEPAGE) || defined(CONFIG_HUGETLBFS)\nextern void clear_huge_page(struct page *page,\n\t\t\t unsigned long addr,\n\t\t\t unsigned int pages_per_huge_page);\nextern void copy_user_huge_page(struct page *dst, struct page *src,\n\t\t\t\tunsigned long addr, struct vm_area_struct *vma,\n\t\t\t\tunsigned int pages_per_huge_page);\n#endif /* CONFIG_TRANSPARENT_HUGEPAGE || CONFIG_HUGETLBFS */","#ifdef CONFIG_DEBUG_PAGEALLOC\nextern unsigned int _debug_guardpage_minorder;","static inline unsigned int debug_guardpage_minorder(void)\n{\n\treturn _debug_guardpage_minorder;\n}","static inline bool page_is_guard(struct page *page)\n{\n\treturn test_bit(PAGE_DEBUG_FLAG_GUARD, &page->debug_flags);\n}\n#else\nstatic inline unsigned int debug_guardpage_minorder(void) { return 0; }\nstatic inline bool page_is_guard(struct page *page) { return false; }\n#endif /* CONFIG_DEBUG_PAGEALLOC */","#endif /* __KERNEL__ */\n#endif /* _LINUX_MM_H */"],"string":"[\n \"#ifndef _LINUX_MM_H\\n#define _LINUX_MM_H\",\n \"#include <linux/errno.h>\",\n \"#ifdef __KERNEL__\",\n \"#include <linux/gfp.h>\\n#include <linux/bug.h>\\n#include <linux/list.h>\\n#include <linux/mmzone.h>\\n#include <linux/rbtree.h>\\n#include <linux/atomic.h>\\n#include <linux/debug_locks.h>\\n#include <linux/mm_types.h>\\n#include <linux/range.h>\\n#include <linux/pfn.h>\\n#include <linux/bit_spinlock.h>\\n#include <linux/shrinker.h>\",\n \"struct mempolicy;\\nstruct anon_vma;\\nstruct anon_vma_chain;\\nstruct file_ra_state;\\nstruct user_struct;\\nstruct writeback_control;\",\n \"#ifndef CONFIG_DISCONTIGMEM /* Don't use mapnrs, do it properly */\\nextern unsigned long max_mapnr;\\n#endif\",\n \"extern unsigned long num_physpages;\\nextern unsigned long totalram_pages;\\nextern void * high_memory;\\nextern int page_cluster;\",\n \"#ifdef CONFIG_SYSCTL\\nextern int sysctl_legacy_va_layout;\\n#else\\n#define sysctl_legacy_va_layout 0\\n#endif\",\n \"#include <asm/page.h>\\n#include <asm/pgtable.h>\\n#include <asm/processor.h>\",\n \"#define nth_page(page,n) pfn_to_page(page_to_pfn((page)) + (n))\",\n \"/* to align the pointer to the (next) page boundary */\\n#define PAGE_ALIGN(addr) ALIGN(addr, PAGE_SIZE)\",\n \"/*\\n * Linux kernel virtual memory manager primitives.\\n * The idea being to have a \\\"virtual\\\" mm in the same way\\n * we have a virtual fs - giving a cleaner interface to the\\n * mm details, and allowing different kinds of memory mappings\\n * (from shared memory to executable loading to arbitrary\\n * mmap() functions).\\n */\",\n \"extern struct kmem_cache *vm_area_cachep;\",\n \"#ifndef CONFIG_MMU\\nextern struct rb_root nommu_region_tree;\\nextern struct rw_semaphore nommu_region_sem;\",\n \"extern unsigned int kobjsize(const void *objp);\\n#endif\",\n \"/*\\n * vm_flags in vm_area_struct, see mm_types.h.\\n */\\n#define VM_NONE\\t\\t0x00000000\",\n \"#define VM_READ\\t\\t0x00000001\\t/* currently active flags */\\n#define VM_WRITE\\t0x00000002\\n#define VM_EXEC\\t\\t0x00000004\\n#define VM_SHARED\\t0x00000008\",\n \"/* mprotect() hardcodes VM_MAYREAD >> 4 == VM_READ, and so for r/w/x bits. */\\n#define VM_MAYREAD\\t0x00000010\\t/* limits for mprotect() etc */\\n#define VM_MAYWRITE\\t0x00000020\\n#define VM_MAYEXEC\\t0x00000040\\n#define VM_MAYSHARE\\t0x00000080\",\n \"#define VM_GROWSDOWN\\t0x00000100\\t/* general info on the segment */\\n#define VM_PFNMAP\\t0x00000400\\t/* Page-ranges managed without \\\"struct page\\\", just pure PFN */\\n#define VM_DENYWRITE\\t0x00000800\\t/* ETXTBSY on write attempts.. */\",\n \"#define VM_LOCKED\\t0x00002000\\n#define VM_IO 0x00004000\\t/* Memory mapped I/O or similar */\",\n \"\\t\\t\\t\\t\\t/* Used by sys_madvise() */\\n#define VM_SEQ_READ\\t0x00008000\\t/* App will access data sequentially */\\n#define VM_RAND_READ\\t0x00010000\\t/* App will not benefit from clustered reads */\",\n \"#define VM_DONTCOPY\\t0x00020000 /* Do not copy this vma on fork */\\n#define VM_DONTEXPAND\\t0x00040000\\t/* Cannot expand with mremap() */\\n#define VM_ACCOUNT\\t0x00100000\\t/* Is a VM accounted object */\\n#define VM_NORESERVE\\t0x00200000\\t/* should the VM suppress accounting */\\n#define VM_HUGETLB\\t0x00400000\\t/* Huge TLB Page VM */\\n#define VM_NONLINEAR\\t0x00800000\\t/* Is non-linear (remap_file_pages) */\\n#define VM_ARCH_1\\t0x01000000\\t/* Architecture-specific flag */\\n#define VM_DONTDUMP\\t0x04000000\\t/* Do not include in the core dump */\",\n \"#define VM_MIXEDMAP\\t0x10000000\\t/* Can contain \\\"struct page\\\" and pure PFN pages */\\n#define VM_HUGEPAGE\\t0x20000000\\t/* MADV_HUGEPAGE marked this vma */\\n#define VM_NOHUGEPAGE\\t0x40000000\\t/* MADV_NOHUGEPAGE marked this vma */\\n#define VM_MERGEABLE\\t0x80000000\\t/* KSM may merge identical pages */\",\n \"#if defined(CONFIG_X86)\\n# define VM_PAT\\t\\tVM_ARCH_1\\t/* PAT reserves whole VMA at once (x86) */\\n#elif defined(CONFIG_PPC)\\n# define VM_SAO\\t\\tVM_ARCH_1\\t/* Strong Access Ordering (powerpc) */\\n#elif defined(CONFIG_PARISC)\\n# define VM_GROWSUP\\tVM_ARCH_1\\n#elif defined(CONFIG_METAG)\\n# define VM_GROWSUP\\tVM_ARCH_1\\n#elif defined(CONFIG_IA64)\\n# define VM_GROWSUP\\tVM_ARCH_1\\n#elif !defined(CONFIG_MMU)\\n# define VM_MAPPED_COPY\\tVM_ARCH_1\\t/* T if mapped copy of data (nommu mmap) */\\n#endif\",\n \"#ifndef VM_GROWSUP\\n# define VM_GROWSUP\\tVM_NONE\\n#endif\",\n \"/* Bits set in the VMA until the stack is in its final location */\\n#define VM_STACK_INCOMPLETE_SETUP\\t(VM_RAND_READ | VM_SEQ_READ)\",\n \"#ifndef VM_STACK_DEFAULT_FLAGS\\t\\t/* arch can override this */\\n#define VM_STACK_DEFAULT_FLAGS VM_DATA_DEFAULT_FLAGS\\n#endif\",\n \"#ifdef CONFIG_STACK_GROWSUP\\n#define VM_STACK_FLAGS\\t(VM_GROWSUP | VM_STACK_DEFAULT_FLAGS | VM_ACCOUNT)\\n#else\\n#define VM_STACK_FLAGS\\t(VM_GROWSDOWN | VM_STACK_DEFAULT_FLAGS | VM_ACCOUNT)\\n#endif\",\n \"#define VM_READHINTMASK\\t\\t\\t(VM_SEQ_READ | VM_RAND_READ)\\n#define VM_ClearReadHint(v)\\t\\t(v)->vm_flags &= ~VM_READHINTMASK\\n#define VM_NormalReadHint(v)\\t\\t(!((v)->vm_flags & VM_READHINTMASK))\\n#define VM_SequentialReadHint(v)\\t((v)->vm_flags & VM_SEQ_READ)\\n#define VM_RandomReadHint(v)\\t\\t((v)->vm_flags & VM_RAND_READ)\",\n \"/*\\n * Special vmas that are non-mergable, non-mlock()able.\\n * Note: mm/huge_memory.c VM_NO_THP depends on this definition.\\n */\\n#define VM_SPECIAL (VM_IO | VM_DONTEXPAND | VM_PFNMAP)\",\n \"/*\\n * mapping from the currently active vm_flags protection bits (the\\n * low four bits) to a page protection mask..\\n */\\nextern pgprot_t protection_map[16];\",\n \"#define FAULT_FLAG_WRITE\\t0x01\\t/* Fault was a write access */\\n#define FAULT_FLAG_NONLINEAR\\t0x02\\t/* Fault was via a nonlinear mapping */\\n#define FAULT_FLAG_MKWRITE\\t0x04\\t/* Fault was mkwrite of existing pte */\\n#define FAULT_FLAG_ALLOW_RETRY\\t0x08\\t/* Retry fault if blocking */\\n#define FAULT_FLAG_RETRY_NOWAIT\\t0x10\\t/* Don't drop mmap_sem and wait when retrying */\\n#define FAULT_FLAG_KILLABLE\\t0x20\\t/* The fault task is in SIGKILL killable region */\\n#define FAULT_FLAG_TRIED\\t0x40\\t/* second try */\",\n \"/*\\n * vm_fault is filled by the the pagefault handler and passed to the vma's\\n * ->fault function. The vma's ->fault is responsible for returning a bitmask\\n * of VM_FAULT_xxx flags that give details about how the fault was handled.\\n *\\n * pgoff should be used in favour of virtual_address, if possible. If pgoff\\n * is used, one may implement ->remap_pages to get nonlinear mapping support.\\n */\\nstruct vm_fault {\\n\\tunsigned int flags;\\t\\t/* FAULT_FLAG_xxx flags */\\n\\tpgoff_t pgoff;\\t\\t\\t/* Logical page offset based on vma */\\n\\tvoid __user *virtual_address;\\t/* Faulting virtual address */\",\n \"\\tstruct page *page;\\t\\t/* ->fault handlers should return a\\n\\t\\t\\t\\t\\t * page here, unless VM_FAULT_NOPAGE\\n\\t\\t\\t\\t\\t * is set (which is also implied by\\n\\t\\t\\t\\t\\t * VM_FAULT_ERROR).\\n\\t\\t\\t\\t\\t */\\n};\",\n \"/*\\n * These are the virtual MM functions - opening of an area, closing and\\n * unmapping it (needed to keep files on disk up-to-date etc), pointer\\n * to the functions called when a no-page or a wp-page exception occurs. \\n */\\nstruct vm_operations_struct {\\n\\tvoid (*open)(struct vm_area_struct * area);\\n\\tvoid (*close)(struct vm_area_struct * area);\\n\\tint (*fault)(struct vm_area_struct *vma, struct vm_fault *vmf);\",\n \"\\t/* notification that a previously read-only page is about to become\\n\\t * writable, if an error is returned it will cause a SIGBUS */\\n\\tint (*page_mkwrite)(struct vm_area_struct *vma, struct vm_fault *vmf);\",\n \"\\t/* called by access_process_vm when get_user_pages() fails, typically\\n\\t * for use by special VMAs that can switch between memory and hardware\\n\\t */\\n\\tint (*access)(struct vm_area_struct *vma, unsigned long addr,\\n\\t\\t void *buf, int len, int write);\\n#ifdef CONFIG_NUMA\\n\\t/*\\n\\t * set_policy() op must add a reference to any non-NULL @new mempolicy\\n\\t * to hold the policy upon return. Caller should pass NULL @new to\\n\\t * remove a policy and fall back to surrounding context--i.e. do not\\n\\t * install a MPOL_DEFAULT policy, nor the task or system default\\n\\t * mempolicy.\\n\\t */\\n\\tint (*set_policy)(struct vm_area_struct *vma, struct mempolicy *new);\",\n \"\\t/*\\n\\t * get_policy() op must add reference [mpol_get()] to any policy at\\n\\t * (vma,addr) marked as MPOL_SHARED. The shared policy infrastructure\\n\\t * in mm/mempolicy.c will do this automatically.\\n\\t * get_policy() must NOT add a ref if the policy at (vma,addr) is not\\n\\t * marked as MPOL_SHARED. vma policies are protected by the mmap_sem.\\n\\t * If no [shared/vma] mempolicy exists at the addr, get_policy() op\\n\\t * must return NULL--i.e., do not \\\"fallback\\\" to task or system default\\n\\t * policy.\\n\\t */\\n\\tstruct mempolicy *(*get_policy)(struct vm_area_struct *vma,\\n\\t\\t\\t\\t\\tunsigned long addr);\\n\\tint (*migrate)(struct vm_area_struct *vma, const nodemask_t *from,\\n\\t\\tconst nodemask_t *to, unsigned long flags);\\n#endif\\n\\t/* called by sys_remap_file_pages() to populate non-linear mapping */\\n\\tint (*remap_pages)(struct vm_area_struct *vma, unsigned long addr,\\n\\t\\t\\t unsigned long size, pgoff_t pgoff);\\n};\",\n \"struct mmu_gather;\\nstruct inode;\",\n \"#define page_private(page)\\t\\t((page)->private)\\n#define set_page_private(page, v)\\t((page)->private = (v))\",\n \"/* It's valid only if the page is free path or free_list */\\nstatic inline void set_freepage_migratetype(struct page *page, int migratetype)\\n{\\n\\tpage->index = migratetype;\\n}\",\n \"/* It's valid only if the page is free path or free_list */\\nstatic inline int get_freepage_migratetype(struct page *page)\\n{\\n\\treturn page->index;\\n}\",\n \"/*\\n * FIXME: take this include out, include page-flags.h in\\n * files which need it (119 of them)\\n */\\n#include <linux/page-flags.h>\\n#include <linux/huge_mm.h>\",\n \"/*\\n * Methods to modify the page usage count.\\n *\\n * What counts for a page usage:\\n * - cache mapping (page->mapping)\\n * - private data (page->private)\\n * - page mapped in a task's page tables, each mapping\\n * is counted separately\\n *\\n * Also, many kernel routines increase the page count before a critical\\n * routine so they can be sure the page doesn't go away from under them.\\n */\",\n \"/*\\n * Drop a ref, return true if the refcount fell to zero (the page has no users)\\n */\\nstatic inline int put_page_testzero(struct page *page)\\n{\\n\\tVM_BUG_ON(atomic_read(&page->_count) == 0);\\n\\treturn atomic_dec_and_test(&page->_count);\\n}\",\n \"/*\\n * Try to grab a ref unless the page has a refcount of zero, return false if\\n * that is the case.\\n */\\nstatic inline int get_page_unless_zero(struct page *page)\\n{\\n\\treturn atomic_inc_not_zero(&page->_count);\\n}\",\n \"extern int page_is_ram(unsigned long pfn);\",\n \"/* Support for virtually mapped pages */\\nstruct page *vmalloc_to_page(const void *addr);\\nunsigned long vmalloc_to_pfn(const void *addr);\",\n \"/*\\n * Determine if an address is within the vmalloc range\\n *\\n * On nommu, vmalloc/vfree wrap through kmalloc/kfree directly, so there\\n * is no special casing required.\\n */\\nstatic inline int is_vmalloc_addr(const void *x)\\n{\\n#ifdef CONFIG_MMU\\n\\tunsigned long addr = (unsigned long)x;\",\n \"\\treturn addr >= VMALLOC_START && addr < VMALLOC_END;\\n#else\\n\\treturn 0;\\n#endif\\n}\\n#ifdef CONFIG_MMU\\nextern int is_vmalloc_or_module_addr(const void *x);\\n#else\\nstatic inline int is_vmalloc_or_module_addr(const void *x)\\n{\\n\\treturn 0;\\n}\\n#endif\",\n \"static inline void compound_lock(struct page *page)\\n{\\n#ifdef CONFIG_TRANSPARENT_HUGEPAGE\\n\\tVM_BUG_ON(PageSlab(page));\\n\\tbit_spin_lock(PG_compound_lock, &page->flags);\\n#endif\\n}\",\n \"static inline void compound_unlock(struct page *page)\\n{\\n#ifdef CONFIG_TRANSPARENT_HUGEPAGE\\n\\tVM_BUG_ON(PageSlab(page));\\n\\tbit_spin_unlock(PG_compound_lock, &page->flags);\\n#endif\\n}\",\n \"static inline unsigned long compound_lock_irqsave(struct page *page)\\n{\\n\\tunsigned long uninitialized_var(flags);\\n#ifdef CONFIG_TRANSPARENT_HUGEPAGE\\n\\tlocal_irq_save(flags);\\n\\tcompound_lock(page);\\n#endif\\n\\treturn flags;\\n}\",\n \"static inline void compound_unlock_irqrestore(struct page *page,\\n\\t\\t\\t\\t\\t unsigned long flags)\\n{\\n#ifdef CONFIG_TRANSPARENT_HUGEPAGE\\n\\tcompound_unlock(page);\\n\\tlocal_irq_restore(flags);\\n#endif\\n}\",\n \"static inline struct page *compound_head(struct page *page)\\n{\\n\\tif (unlikely(PageTail(page)))\\n\\t\\treturn page->first_page;\\n\\treturn page;\\n}\",\n \"/*\\n * The atomic page->_mapcount, starts from -1: so that transitions\\n * both from it and to it can be tracked, using atomic_inc_and_test\\n * and atomic_add_negative(-1).\\n */\\nstatic inline void page_mapcount_reset(struct page *page)\\n{\\n\\tatomic_set(&(page)->_mapcount, -1);\\n}\",\n \"static inline int page_mapcount(struct page *page)\\n{\\n\\treturn atomic_read(&(page)->_mapcount) + 1;\\n}\",\n \"static inline int page_count(struct page *page)\\n{\\n\\treturn atomic_read(&compound_head(page)->_count);\\n}\",\n \"static inline void get_huge_page_tail(struct page *page)\\n{\\n\\t/*\\n\\t * __split_huge_page_refcount() cannot run\\n\\t * from under us.\\n\\t */\\n\\tVM_BUG_ON(page_mapcount(page) < 0);\\n\\tVM_BUG_ON(atomic_read(&page->_count) != 0);\\n\\tatomic_inc(&page->_mapcount);\\n}\",\n \"extern bool __get_page_tail(struct page *page);\",\n \"static inline void get_page(struct page *page)\\n{\\n\\tif (unlikely(PageTail(page)))\\n\\t\\tif (likely(__get_page_tail(page)))\\n\\t\\t\\treturn;\\n\\t/*\\n\\t * Getting a normal page or the head of a compound page\\n\\t * requires to already have an elevated page->_count.\\n\\t */\\n\\tVM_BUG_ON(atomic_read(&page->_count) <= 0);\\n\\tatomic_inc(&page->_count);\\n}\",\n \"static inline struct page *virt_to_head_page(const void *x)\\n{\\n\\tstruct page *page = virt_to_page(x);\\n\\treturn compound_head(page);\\n}\",\n \"/*\\n * Setup the page count before being freed into the page allocator for\\n * the first time (boot or memory hotplug)\\n */\\nstatic inline void init_page_count(struct page *page)\\n{\\n\\tatomic_set(&page->_count, 1);\\n}\",\n \"/*\\n * PageBuddy() indicate that the page is free and in the buddy system\\n * (see mm/page_alloc.c).\\n *\\n * PAGE_BUDDY_MAPCOUNT_VALUE must be <= -2 but better not too close to\\n * -2 so that an underflow of the page_mapcount() won't be mistaken\\n * for a genuine PAGE_BUDDY_MAPCOUNT_VALUE. -128 can be created very\\n * efficiently by most CPU architectures.\\n */\\n#define PAGE_BUDDY_MAPCOUNT_VALUE (-128)\",\n \"static inline int PageBuddy(struct page *page)\\n{\\n\\treturn atomic_read(&page->_mapcount) == PAGE_BUDDY_MAPCOUNT_VALUE;\\n}\",\n \"static inline void __SetPageBuddy(struct page *page)\\n{\\n\\tVM_BUG_ON(atomic_read(&page->_mapcount) != -1);\\n\\tatomic_set(&page->_mapcount, PAGE_BUDDY_MAPCOUNT_VALUE);\\n}\",\n \"static inline void __ClearPageBuddy(struct page *page)\\n{\\n\\tVM_BUG_ON(!PageBuddy(page));\\n\\tatomic_set(&page->_mapcount, -1);\\n}\",\n \"void put_page(struct page *page);\\nvoid put_pages_list(struct list_head *pages);\",\n \"void split_page(struct page *page, unsigned int order);\\nint split_free_page(struct page *page);\",\n \"/*\\n * Compound pages have a destructor function. Provide a\\n * prototype for that function and accessor functions.\\n * These are _only_ valid on the head of a PG_compound page.\\n */\\ntypedef void compound_page_dtor(struct page *);\",\n \"static inline void set_compound_page_dtor(struct page *page,\\n\\t\\t\\t\\t\\t\\tcompound_page_dtor *dtor)\\n{\\n\\tpage[1].lru.next = (void *)dtor;\\n}\",\n \"static inline compound_page_dtor *get_compound_page_dtor(struct page *page)\\n{\\n\\treturn (compound_page_dtor *)page[1].lru.next;\\n}\",\n \"static inline int compound_order(struct page *page)\\n{\\n\\tif (!PageHead(page))\\n\\t\\treturn 0;\\n\\treturn (unsigned long)page[1].lru.prev;\\n}\",\n \"static inline int compound_trans_order(struct page *page)\\n{\\n\\tint order;\\n\\tunsigned long flags;\",\n \"\\tif (!PageHead(page))\\n\\t\\treturn 0;\",\n \"\\tflags = compound_lock_irqsave(page);\\n\\torder = compound_order(page);\\n\\tcompound_unlock_irqrestore(page, flags);\\n\\treturn order;\\n}\",\n \"static inline void set_compound_order(struct page *page, unsigned long order)\\n{\\n\\tpage[1].lru.prev = (void *)order;\\n}\",\n \"#ifdef CONFIG_MMU\\n/*\\n * Do pte_mkwrite, but only if the vma says VM_WRITE. We do this when\\n * servicing faults for write access. In the normal case, do always want\\n * pte_mkwrite. But get_user_pages can cause write faults for mappings\\n * that do not have writing enabled, when used by access_process_vm.\\n */\\nstatic inline pte_t maybe_mkwrite(pte_t pte, struct vm_area_struct *vma)\\n{\\n\\tif (likely(vma->vm_flags & VM_WRITE))\\n\\t\\tpte = pte_mkwrite(pte);\\n\\treturn pte;\\n}\\n#endif\",\n \"/*\\n * Multiple processes may \\\"see\\\" the same page. E.g. for untouched\\n * mappings of /dev/null, all processes see the same page full of\\n * zeroes, and text pages of executables and shared libraries have\\n * only one copy in memory, at most, normally.\\n *\\n * For the non-reserved pages, page_count(page) denotes a reference count.\\n * page_count() == 0 means the page is free. page->lru is then used for\\n * freelist management in the buddy allocator.\\n * page_count() > 0 means the page has been allocated.\\n *\\n * Pages are allocated by the slab allocator in order to provide memory\\n * to kmalloc and kmem_cache_alloc. In this case, the management of the\\n * page, and the fields in 'struct page' are the responsibility of mm/slab.c\\n * unless a particular usage is carefully commented. (the responsibility of\\n * freeing the kmalloc memory is the caller's, of course).\\n *\\n * A page may be used by anyone else who does a __get_free_page().\\n * In this case, page_count still tracks the references, and should only\\n * be used through the normal accessor functions. The top bits of page->flags\\n * and page->virtual store page management information, but all other fields\\n * are unused and could be used privately, carefully. The management of this\\n * page is the responsibility of the one who allocated it, and those who have\\n * subsequently been given references to it.\\n *\\n * The other pages (we may call them \\\"pagecache pages\\\") are completely\\n * managed by the Linux memory manager: I/O, buffers, swapping etc.\\n * The following discussion applies only to them.\\n *\\n * A pagecache page contains an opaque `private' member, which belongs to the\\n * page's address_space. Usually, this is the address of a circular list of\\n * the page's disk buffers. PG_private must be set to tell the VM to call\\n * into the filesystem to release these pages.\\n *\\n * A page may belong to an inode's memory mapping. In this case, page->mapping\\n * is the pointer to the inode, and page->index is the file offset of the page,\\n * in units of PAGE_CACHE_SIZE.\\n *\\n * If pagecache pages are not associated with an inode, they are said to be\\n * anonymous pages. These may become associated with the swapcache, and in that\\n * case PG_swapcache is set, and page->private is an offset into the swapcache.\\n *\\n * In either case (swapcache or inode backed), the pagecache itself holds one\\n * reference to the page. Setting PG_private should also increment the\\n * refcount. The each user mapping also has a reference to the page.\\n *\\n * The pagecache pages are stored in a per-mapping radix tree, which is\\n * rooted at mapping->page_tree, and indexed by offset.\\n * Where 2.4 and early 2.6 kernels kept dirty/clean pages in per-address_space\\n * lists, we instead now tag pages as dirty/writeback in the radix tree.\\n *\\n * All pagecache pages may be subject to I/O:\\n * - inode pages may need to be read from disk,\\n * - inode pages which have been modified and are MAP_SHARED may need\\n * to be written back to the inode on disk,\\n * - anonymous pages (including MAP_PRIVATE file mappings) which have been\\n * modified may need to be swapped out to swap space and (later) to be read\\n * back into memory.\\n */\",\n \"/*\\n * The zone field is never updated after free_area_init_core()\\n * sets it, so none of the operations on it need to be atomic.\\n */\",\n \"/* Page flags: | [SECTION] | [NODE] | ZONE | [LAST_NID] | ... | FLAGS | */\\n#define SECTIONS_PGOFF\\t\\t((sizeof(unsigned long)*8) - SECTIONS_WIDTH)\\n#define NODES_PGOFF\\t\\t(SECTIONS_PGOFF - NODES_WIDTH)\\n#define ZONES_PGOFF\\t\\t(NODES_PGOFF - ZONES_WIDTH)\\n#define LAST_NID_PGOFF\\t\\t(ZONES_PGOFF - LAST_NID_WIDTH)\",\n \"/*\\n * Define the bit shifts to access each section. For non-existent\\n * sections we define the shift as 0; that plus a 0 mask ensures\\n * the compiler will optimise away reference to them.\\n */\\n#define SECTIONS_PGSHIFT\\t(SECTIONS_PGOFF * (SECTIONS_WIDTH != 0))\\n#define NODES_PGSHIFT\\t\\t(NODES_PGOFF * (NODES_WIDTH != 0))\\n#define ZONES_PGSHIFT\\t\\t(ZONES_PGOFF * (ZONES_WIDTH != 0))\\n#define LAST_NID_PGSHIFT\\t(LAST_NID_PGOFF * (LAST_NID_WIDTH != 0))\",\n \"/* NODE:ZONE or SECTION:ZONE is used to ID a zone for the buddy allocator */\\n#ifdef NODE_NOT_IN_PAGE_FLAGS\\n#define ZONEID_SHIFT\\t\\t(SECTIONS_SHIFT + ZONES_SHIFT)\\n#define ZONEID_PGOFF\\t\\t((SECTIONS_PGOFF < ZONES_PGOFF)? \\\\\\n\\t\\t\\t\\t\\t\\tSECTIONS_PGOFF : ZONES_PGOFF)\\n#else\\n#define ZONEID_SHIFT\\t\\t(NODES_SHIFT + ZONES_SHIFT)\\n#define ZONEID_PGOFF\\t\\t((NODES_PGOFF < ZONES_PGOFF)? \\\\\\n\\t\\t\\t\\t\\t\\tNODES_PGOFF : ZONES_PGOFF)\\n#endif\",\n \"#define ZONEID_PGSHIFT\\t\\t(ZONEID_PGOFF * (ZONEID_SHIFT != 0))\",\n \"#if SECTIONS_WIDTH+NODES_WIDTH+ZONES_WIDTH > BITS_PER_LONG - NR_PAGEFLAGS\\n#error SECTIONS_WIDTH+NODES_WIDTH+ZONES_WIDTH > BITS_PER_LONG - NR_PAGEFLAGS\\n#endif\",\n \"#define ZONES_MASK\\t\\t((1UL << ZONES_WIDTH) - 1)\\n#define NODES_MASK\\t\\t((1UL << NODES_WIDTH) - 1)\\n#define SECTIONS_MASK\\t\\t((1UL << SECTIONS_WIDTH) - 1)\\n#define LAST_NID_MASK\\t\\t((1UL << LAST_NID_WIDTH) - 1)\\n#define ZONEID_MASK\\t\\t((1UL << ZONEID_SHIFT) - 1)\",\n \"static inline enum zone_type page_zonenum(const struct page *page)\\n{\\n\\treturn (page->flags >> ZONES_PGSHIFT) & ZONES_MASK;\\n}\",\n \"#if defined(CONFIG_SPARSEMEM) && !defined(CONFIG_SPARSEMEM_VMEMMAP)\\n#define SECTION_IN_PAGE_FLAGS\\n#endif\",\n \"/*\\n * The identification function is only used by the buddy allocator for\\n * determining if two pages could be buddies. We are not really\\n * identifying a zone since we could be using a the section number\\n * id if we have not node id available in page flags.\\n * We guarantee only that it will return the same value for two\\n * combinable pages in a zone.\\n */\\nstatic inline int page_zone_id(struct page *page)\\n{\\n\\treturn (page->flags >> ZONEID_PGSHIFT) & ZONEID_MASK;\\n}\",\n \"static inline int zone_to_nid(struct zone *zone)\\n{\\n#ifdef CONFIG_NUMA\\n\\treturn zone->node;\\n#else\\n\\treturn 0;\\n#endif\\n}\",\n \"#ifdef NODE_NOT_IN_PAGE_FLAGS\\nextern int page_to_nid(const struct page *page);\\n#else\\nstatic inline int page_to_nid(const struct page *page)\\n{\\n\\treturn (page->flags >> NODES_PGSHIFT) & NODES_MASK;\\n}\\n#endif\",\n \"#ifdef CONFIG_NUMA_BALANCING\\n#ifdef LAST_NID_NOT_IN_PAGE_FLAGS\\nstatic inline int page_nid_xchg_last(struct page *page, int nid)\\n{\\n\\treturn xchg(&page->_last_nid, nid);\\n}\",\n \"static inline int page_nid_last(struct page *page)\\n{\\n\\treturn page->_last_nid;\\n}\\nstatic inline void page_nid_reset_last(struct page *page)\\n{\\n\\tpage->_last_nid = -1;\\n}\\n#else\\nstatic inline int page_nid_last(struct page *page)\\n{\\n\\treturn (page->flags >> LAST_NID_PGSHIFT) & LAST_NID_MASK;\\n}\",\n \"extern int page_nid_xchg_last(struct page *page, int nid);\",\n \"static inline void page_nid_reset_last(struct page *page)\\n{\\n\\tint nid = (1 << LAST_NID_SHIFT) - 1;\",\n \"\\tpage->flags &= ~(LAST_NID_MASK << LAST_NID_PGSHIFT);\\n\\tpage->flags |= (nid & LAST_NID_MASK) << LAST_NID_PGSHIFT;\\n}\\n#endif /* LAST_NID_NOT_IN_PAGE_FLAGS */\\n#else\\nstatic inline int page_nid_xchg_last(struct page *page, int nid)\\n{\\n\\treturn page_to_nid(page);\\n}\",\n \"static inline int page_nid_last(struct page *page)\\n{\\n\\treturn page_to_nid(page);\\n}\",\n \"static inline void page_nid_reset_last(struct page *page)\\n{\\n}\\n#endif\",\n \"static inline struct zone *page_zone(const struct page *page)\\n{\\n\\treturn &NODE_DATA(page_to_nid(page))->node_zones[page_zonenum(page)];\\n}\",\n \"#ifdef SECTION_IN_PAGE_FLAGS\\nstatic inline void set_page_section(struct page *page, unsigned long section)\\n{\\n\\tpage->flags &= ~(SECTIONS_MASK << SECTIONS_PGSHIFT);\\n\\tpage->flags |= (section & SECTIONS_MASK) << SECTIONS_PGSHIFT;\\n}\",\n \"static inline unsigned long page_to_section(const struct page *page)\\n{\\n\\treturn (page->flags >> SECTIONS_PGSHIFT) & SECTIONS_MASK;\\n}\\n#endif\",\n \"static inline void set_page_zone(struct page *page, enum zone_type zone)\\n{\\n\\tpage->flags &= ~(ZONES_MASK << ZONES_PGSHIFT);\\n\\tpage->flags |= (zone & ZONES_MASK) << ZONES_PGSHIFT;\\n}\",\n \"static inline void set_page_node(struct page *page, unsigned long node)\\n{\\n\\tpage->flags &= ~(NODES_MASK << NODES_PGSHIFT);\\n\\tpage->flags |= (node & NODES_MASK) << NODES_PGSHIFT;\\n}\",\n \"static inline void set_page_links(struct page *page, enum zone_type zone,\\n\\tunsigned long node, unsigned long pfn)\\n{\\n\\tset_page_zone(page, zone);\\n\\tset_page_node(page, node);\\n#ifdef SECTION_IN_PAGE_FLAGS\\n\\tset_page_section(page, pfn_to_section_nr(pfn));\\n#endif\\n}\",\n \"/*\\n * Some inline functions in vmstat.h depend on page_zone()\\n */\\n#include <linux/vmstat.h>\",\n \"static __always_inline void *lowmem_page_address(const struct page *page)\\n{\\n\\treturn __va(PFN_PHYS(page_to_pfn(page)));\\n}\",\n \"#if defined(CONFIG_HIGHMEM) && !defined(WANT_PAGE_VIRTUAL)\\n#define HASHED_PAGE_VIRTUAL\\n#endif\",\n \"#if defined(WANT_PAGE_VIRTUAL)\\n#define page_address(page) ((page)->virtual)\\n#define set_page_address(page, address)\\t\\t\\t\\\\\\n\\tdo {\\t\\t\\t\\t\\t\\t\\\\\\n\\t\\t(page)->virtual = (address);\\t\\t\\\\\\n\\t} while(0)\\n#define page_address_init() do { } while(0)\\n#endif\",\n \"#if defined(HASHED_PAGE_VIRTUAL)\\nvoid *page_address(const struct page *page);\\nvoid set_page_address(struct page *page, void *virtual);\\nvoid page_address_init(void);\\n#endif\",\n \"#if !defined(HASHED_PAGE_VIRTUAL) && !defined(WANT_PAGE_VIRTUAL)\\n#define page_address(page) lowmem_page_address(page)\\n#define set_page_address(page, address) do { } while(0)\\n#define page_address_init() do { } while(0)\\n#endif\",\n \"/*\\n * On an anonymous page mapped into a user virtual memory area,\\n * page->mapping points to its anon_vma, not to a struct address_space;\\n * with the PAGE_MAPPING_ANON bit set to distinguish it. See rmap.h.\\n *\\n * On an anonymous page in a VM_MERGEABLE area, if CONFIG_KSM is enabled,\\n * the PAGE_MAPPING_KSM bit may be set along with the PAGE_MAPPING_ANON bit;\\n * and then page->mapping points, not to an anon_vma, but to a private\\n * structure which KSM associates with that merged page. See ksm.h.\\n *\\n * PAGE_MAPPING_KSM without PAGE_MAPPING_ANON is currently never used.\\n *\\n * Please note that, confusingly, \\\"page_mapping\\\" refers to the inode\\n * address_space which maps the page from disk; whereas \\\"page_mapped\\\"\\n * refers to user virtual address space into which the page is mapped.\\n */\\n#define PAGE_MAPPING_ANON\\t1\\n#define PAGE_MAPPING_KSM\\t2\\n#define PAGE_MAPPING_FLAGS\\t(PAGE_MAPPING_ANON | PAGE_MAPPING_KSM)\",\n \"extern struct address_space *page_mapping(struct page *page);\",\n \"/* Neutral page->mapping pointer to address_space or anon_vma or other */\\nstatic inline void *page_rmapping(struct page *page)\\n{\\n\\treturn (void *)((unsigned long)page->mapping & ~PAGE_MAPPING_FLAGS);\\n}\",\n \"extern struct address_space *__page_file_mapping(struct page *);\",\n \"static inline\\nstruct address_space *page_file_mapping(struct page *page)\\n{\\n\\tif (unlikely(PageSwapCache(page)))\\n\\t\\treturn __page_file_mapping(page);\",\n \"\\treturn page->mapping;\\n}\",\n \"static inline int PageAnon(struct page *page)\\n{\\n\\treturn ((unsigned long)page->mapping & PAGE_MAPPING_ANON) != 0;\\n}\",\n \"/*\\n * Return the pagecache index of the passed page. Regular pagecache pages\\n * use ->index whereas swapcache pages use ->private\\n */\\nstatic inline pgoff_t page_index(struct page *page)\\n{\\n\\tif (unlikely(PageSwapCache(page)))\\n\\t\\treturn page_private(page);\\n\\treturn page->index;\\n}\",\n \"extern pgoff_t __page_file_index(struct page *page);\",\n \"/*\\n * Return the file index of the page. Regular pagecache pages use ->index\\n * whereas swapcache pages use swp_offset(->private)\\n */\\nstatic inline pgoff_t page_file_index(struct page *page)\\n{\\n\\tif (unlikely(PageSwapCache(page)))\\n\\t\\treturn __page_file_index(page);\",\n \"\\treturn page->index;\\n}\",\n \"/*\\n * Return true if this page is mapped into pagetables.\\n */\\nstatic inline int page_mapped(struct page *page)\\n{\\n\\treturn atomic_read(&(page)->_mapcount) >= 0;\\n}\",\n \"/*\\n * Different kinds of faults, as returned by handle_mm_fault().\\n * Used to decide whether a process gets delivered SIGBUS or\\n * just gets major/minor fault counters bumped up.\\n */\",\n \"#define VM_FAULT_MINOR\\t0 /* For backwards compat. Remove me quickly. */\",\n \"#define VM_FAULT_OOM\\t0x0001\\n#define VM_FAULT_SIGBUS\\t0x0002\\n#define VM_FAULT_MAJOR\\t0x0004\\n#define VM_FAULT_WRITE\\t0x0008\\t/* Special case for get_user_pages */\\n#define VM_FAULT_HWPOISON 0x0010\\t/* Hit poisoned small page */\\n#define VM_FAULT_HWPOISON_LARGE 0x0020 /* Hit poisoned large page. Index encoded in upper bits */\",\n \"#define VM_FAULT_NOPAGE\\t0x0100\\t/* ->fault installed the pte, not return page */\\n#define VM_FAULT_LOCKED\\t0x0200\\t/* ->fault locked the returned page */\\n#define VM_FAULT_RETRY\\t0x0400\\t/* ->fault blocked, must retry */\",\n \"#define VM_FAULT_HWPOISON_LARGE_MASK 0xf000 /* encodes hpage index for large hwpoison */\",\n \"#define VM_FAULT_ERROR\\t(VM_FAULT_OOM | VM_FAULT_SIGBUS | VM_FAULT_HWPOISON | \\\\\\n\\t\\t\\t VM_FAULT_HWPOISON_LARGE)\",\n \"/* Encode hstate index for a hwpoisoned large page */\\n#define VM_FAULT_SET_HINDEX(x) ((x) << 12)\\n#define VM_FAULT_GET_HINDEX(x) (((x) >> 12) & 0xf)\",\n \"/*\\n * Can be called by the pagefault handler when it gets a VM_FAULT_OOM.\\n */\\nextern void pagefault_out_of_memory(void);\",\n \"#define offset_in_page(p)\\t((unsigned long)(p) & ~PAGE_MASK)\",\n \"/*\\n * Flags passed to show_mem() and show_free_areas() to suppress output in\\n * various contexts.\\n */\\n#define SHOW_MEM_FILTER_NODES\\t(0x0001u)\\t/* filter disallowed nodes */\",\n \"extern void show_free_areas(unsigned int flags);\\nextern bool skip_free_areas_node(unsigned int flags, int nid);\",\n \"int shmem_zero_setup(struct vm_area_struct *);\",\n \"extern int can_do_mlock(void);\\nextern int user_shm_lock(size_t, struct user_struct *);\\nextern void user_shm_unlock(size_t, struct user_struct *);\",\n \"/*\\n * Parameter block passed down to zap_pte_range in exceptional cases.\\n */\\nstruct zap_details {\\n\\tstruct vm_area_struct *nonlinear_vma;\\t/* Check page->index if set */\\n\\tstruct address_space *check_mapping;\\t/* Check page->mapping if set */\\n\\tpgoff_t\\tfirst_index;\\t\\t\\t/* Lowest page->index to unmap */\\n\\tpgoff_t last_index;\\t\\t\\t/* Highest page->index to unmap */\\n};\",\n \"struct page *vm_normal_page(struct vm_area_struct *vma, unsigned long addr,\\n\\t\\tpte_t pte);\",\n \"int zap_vma_ptes(struct vm_area_struct *vma, unsigned long address,\\n\\t\\tunsigned long size);\\nvoid zap_page_range(struct vm_area_struct *vma, unsigned long address,\\n\\t\\tunsigned long size, struct zap_details *);\\nvoid unmap_vmas(struct mmu_gather *tlb, struct vm_area_struct *start_vma,\\n\\t\\tunsigned long start, unsigned long end);\",\n \"/**\\n * mm_walk - callbacks for walk_page_range\\n * @pgd_entry: if set, called for each non-empty PGD (top-level) entry\\n * @pud_entry: if set, called for each non-empty PUD (2nd-level) entry\\n * @pmd_entry: if set, called for each non-empty PMD (3rd-level) entry\\n *\\t this handler is required to be able to handle\\n *\\t pmd_trans_huge() pmds. They may simply choose to\\n *\\t split_huge_page() instead of handling it explicitly.\\n * @pte_entry: if set, called for each non-empty PTE (4th-level) entry\\n * @pte_hole: if set, called for each hole at all levels\\n * @hugetlb_entry: if set, called for each hugetlb entry\\n *\\t\\t *Caution*: The caller must hold mmap_sem() if @hugetlb_entry\\n * \\t\\t\\t is used.\\n *\\n * (see walk_page_range for more details)\\n */\\nstruct mm_walk {\\n\\tint (*pgd_entry)(pgd_t *, unsigned long, unsigned long, struct mm_walk *);\\n\\tint (*pud_entry)(pud_t *, unsigned long, unsigned long, struct mm_walk *);\\n\\tint (*pmd_entry)(pmd_t *, unsigned long, unsigned long, struct mm_walk *);\\n\\tint (*pte_entry)(pte_t *, unsigned long, unsigned long, struct mm_walk *);\\n\\tint (*pte_hole)(unsigned long, unsigned long, struct mm_walk *);\\n\\tint (*hugetlb_entry)(pte_t *, unsigned long,\\n\\t\\t\\t unsigned long, unsigned long, struct mm_walk *);\\n\\tstruct mm_struct *mm;\\n\\tvoid *private;\\n};\",\n \"int walk_page_range(unsigned long addr, unsigned long end,\\n\\t\\tstruct mm_walk *walk);\\nvoid free_pgd_range(struct mmu_gather *tlb, unsigned long addr,\\n\\t\\tunsigned long end, unsigned long floor, unsigned long ceiling);\\nint copy_page_range(struct mm_struct *dst, struct mm_struct *src,\\n\\t\\t\\tstruct vm_area_struct *vma);\\nvoid unmap_mapping_range(struct address_space *mapping,\\n\\t\\tloff_t const holebegin, loff_t const holelen, int even_cows);\\nint follow_pfn(struct vm_area_struct *vma, unsigned long address,\\n\\tunsigned long *pfn);\\nint follow_phys(struct vm_area_struct *vma, unsigned long address,\\n\\t\\tunsigned int flags, unsigned long *prot, resource_size_t *phys);\\nint generic_access_phys(struct vm_area_struct *vma, unsigned long addr,\\n\\t\\t\\tvoid *buf, int len, int write);\",\n \"static inline void unmap_shared_mapping_range(struct address_space *mapping,\\n\\t\\tloff_t const holebegin, loff_t const holelen)\\n{\\n\\tunmap_mapping_range(mapping, holebegin, holelen, 0);\\n}\",\n \"extern void truncate_pagecache(struct inode *inode, loff_t old, loff_t new);\\nextern void truncate_setsize(struct inode *inode, loff_t newsize);\\nvoid truncate_pagecache_range(struct inode *inode, loff_t offset, loff_t end);\\nint truncate_inode_page(struct address_space *mapping, struct page *page);\\nint generic_error_remove_page(struct address_space *mapping, struct page *page);\\nint invalidate_inode_page(struct page *page);\",\n \"#ifdef CONFIG_MMU\\nextern int handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma,\\n\\t\\t\\tunsigned long address, unsigned int flags);\\nextern int fixup_user_fault(struct task_struct *tsk, struct mm_struct *mm,\\n\\t\\t\\t unsigned long address, unsigned int fault_flags);\\n#else\\nstatic inline int handle_mm_fault(struct mm_struct *mm,\\n\\t\\t\\tstruct vm_area_struct *vma, unsigned long address,\\n\\t\\t\\tunsigned int flags)\\n{\\n\\t/* should never happen if there's no MMU */\\n\\tBUG();\\n\\treturn VM_FAULT_SIGBUS;\\n}\\nstatic inline int fixup_user_fault(struct task_struct *tsk,\\n\\t\\tstruct mm_struct *mm, unsigned long address,\\n\\t\\tunsigned int fault_flags)\\n{\\n\\t/* should never happen if there's no MMU */\\n\\tBUG();\\n\\treturn -EFAULT;\\n}\\n#endif\",\n \"extern int access_process_vm(struct task_struct *tsk, unsigned long addr, void *buf, int len, int write);\\nextern int access_remote_vm(struct mm_struct *mm, unsigned long addr,\\n\\t\\tvoid *buf, int len, int write);\",\n \"long __get_user_pages(struct task_struct *tsk, struct mm_struct *mm,\\n\\t\\t unsigned long start, unsigned long nr_pages,\\n\\t\\t unsigned int foll_flags, struct page **pages,\\n\\t\\t struct vm_area_struct **vmas, int *nonblocking);\\nlong get_user_pages(struct task_struct *tsk, struct mm_struct *mm,\\n\\t\\t unsigned long start, unsigned long nr_pages,\\n\\t\\t int write, int force, struct page **pages,\\n\\t\\t struct vm_area_struct **vmas);\\nint get_user_pages_fast(unsigned long start, int nr_pages, int write,\\n\\t\\t\\tstruct page **pages);\\nstruct kvec;\\nint get_kernel_pages(const struct kvec *iov, int nr_pages, int write,\\n\\t\\t\\tstruct page **pages);\\nint get_kernel_page(unsigned long start, int write, struct page **pages);\\nstruct page *get_dump_page(unsigned long addr);\",\n \"extern int try_to_release_page(struct page * page, gfp_t gfp_mask);\\nextern void do_invalidatepage(struct page *page, unsigned long offset);\",\n \"int __set_page_dirty_nobuffers(struct page *page);\\nint __set_page_dirty_no_writeback(struct page *page);\\nint redirty_page_for_writepage(struct writeback_control *wbc,\\n\\t\\t\\t\\tstruct page *page);\\nvoid account_page_dirtied(struct page *page, struct address_space *mapping);\\nvoid account_page_writeback(struct page *page);\\nint set_page_dirty(struct page *page);\\nint set_page_dirty_lock(struct page *page);\\nint clear_page_dirty_for_io(struct page *page);\",\n \"/* Is the vma a continuation of the stack vma above it? */\\nstatic inline int vma_growsdown(struct vm_area_struct *vma, unsigned long addr)\\n{\\n\\treturn vma && (vma->vm_end == addr) && (vma->vm_flags & VM_GROWSDOWN);\\n}\",\n \"static inline int stack_guard_page_start(struct vm_area_struct *vma,\\n\\t\\t\\t\\t\\t unsigned long addr)\\n{\\n\\treturn (vma->vm_flags & VM_GROWSDOWN) &&\\n\\t\\t(vma->vm_start == addr) &&\\n\\t\\t!vma_growsdown(vma->vm_prev, addr);\\n}\",\n \"/* Is the vma a continuation of the stack vma below it? */\\nstatic inline int vma_growsup(struct vm_area_struct *vma, unsigned long addr)\\n{\\n\\treturn vma && (vma->vm_start == addr) && (vma->vm_flags & VM_GROWSUP);\\n}\",\n \"static inline int stack_guard_page_end(struct vm_area_struct *vma,\\n\\t\\t\\t\\t\\t unsigned long addr)\\n{\\n\\treturn (vma->vm_flags & VM_GROWSUP) &&\\n\\t\\t(vma->vm_end == addr) &&\\n\\t\\t!vma_growsup(vma->vm_next, addr);\\n}\",\n \"extern pid_t\\nvm_is_stack(struct task_struct *task, struct vm_area_struct *vma, int in_group);\",\n \"extern unsigned long move_page_tables(struct vm_area_struct *vma,\\n\\t\\tunsigned long old_addr, struct vm_area_struct *new_vma,\\n\\t\\tunsigned long new_addr, unsigned long len,\\n\\t\\tbool need_rmap_locks);\\nextern unsigned long do_mremap(unsigned long addr,\\n\\t\\t\\t unsigned long old_len, unsigned long new_len,\\n\\t\\t\\t unsigned long flags, unsigned long new_addr);\\nextern unsigned long change_protection(struct vm_area_struct *vma, unsigned long start,\\n\\t\\t\\t unsigned long end, pgprot_t newprot,\\n\\t\\t\\t int dirty_accountable, int prot_numa);\\nextern int mprotect_fixup(struct vm_area_struct *vma,\\n\\t\\t\\t struct vm_area_struct **pprev, unsigned long start,\\n\\t\\t\\t unsigned long end, unsigned long newflags);\",\n \"/*\\n * doesn't attempt to fault and will return short.\\n */\\nint __get_user_pages_fast(unsigned long start, int nr_pages, int write,\\n\\t\\t\\t struct page **pages);\\n/*\\n * per-process(per-mm_struct) statistics.\\n */\\nstatic inline unsigned long get_mm_counter(struct mm_struct *mm, int member)\\n{\\n\\tlong val = atomic_long_read(&mm->rss_stat.count[member]);\",\n \"#ifdef SPLIT_RSS_COUNTING\\n\\t/*\\n\\t * counter is updated in asynchronous manner and may go to minus.\\n\\t * But it's never be expected number for users.\\n\\t */\\n\\tif (val < 0)\\n\\t\\tval = 0;\\n#endif\\n\\treturn (unsigned long)val;\\n}\",\n \"static inline void add_mm_counter(struct mm_struct *mm, int member, long value)\\n{\\n\\tatomic_long_add(value, &mm->rss_stat.count[member]);\\n}\",\n \"static inline void inc_mm_counter(struct mm_struct *mm, int member)\\n{\\n\\tatomic_long_inc(&mm->rss_stat.count[member]);\\n}\",\n \"static inline void dec_mm_counter(struct mm_struct *mm, int member)\\n{\\n\\tatomic_long_dec(&mm->rss_stat.count[member]);\\n}\",\n \"static inline unsigned long get_mm_rss(struct mm_struct *mm)\\n{\\n\\treturn get_mm_counter(mm, MM_FILEPAGES) +\\n\\t\\tget_mm_counter(mm, MM_ANONPAGES);\\n}\",\n \"static inline unsigned long get_mm_hiwater_rss(struct mm_struct *mm)\\n{\\n\\treturn max(mm->hiwater_rss, get_mm_rss(mm));\\n}\",\n \"static inline unsigned long get_mm_hiwater_vm(struct mm_struct *mm)\\n{\\n\\treturn max(mm->hiwater_vm, mm->total_vm);\\n}\",\n \"static inline void update_hiwater_rss(struct mm_struct *mm)\\n{\\n\\tunsigned long _rss = get_mm_rss(mm);\",\n \"\\tif ((mm)->hiwater_rss < _rss)\\n\\t\\t(mm)->hiwater_rss = _rss;\\n}\",\n \"static inline void update_hiwater_vm(struct mm_struct *mm)\\n{\\n\\tif (mm->hiwater_vm < mm->total_vm)\\n\\t\\tmm->hiwater_vm = mm->total_vm;\\n}\",\n \"static inline void setmax_mm_hiwater_rss(unsigned long *maxrss,\\n\\t\\t\\t\\t\\t struct mm_struct *mm)\\n{\\n\\tunsigned long hiwater_rss = get_mm_hiwater_rss(mm);\",\n \"\\tif (*maxrss < hiwater_rss)\\n\\t\\t*maxrss = hiwater_rss;\\n}\",\n \"#if defined(SPLIT_RSS_COUNTING)\\nvoid sync_mm_rss(struct mm_struct *mm);\\n#else\\nstatic inline void sync_mm_rss(struct mm_struct *mm)\\n{\\n}\\n#endif\",\n \"int vma_wants_writenotify(struct vm_area_struct *vma);\",\n \"extern pte_t *__get_locked_pte(struct mm_struct *mm, unsigned long addr,\\n\\t\\t\\t spinlock_t **ptl);\\nstatic inline pte_t *get_locked_pte(struct mm_struct *mm, unsigned long addr,\\n\\t\\t\\t\\t spinlock_t **ptl)\\n{\\n\\tpte_t *ptep;\\n\\t__cond_lock(*ptl, ptep = __get_locked_pte(mm, addr, ptl));\\n\\treturn ptep;\\n}\",\n \"#ifdef __PAGETABLE_PUD_FOLDED\\nstatic inline int __pud_alloc(struct mm_struct *mm, pgd_t *pgd,\\n\\t\\t\\t\\t\\t\\tunsigned long address)\\n{\\n\\treturn 0;\\n}\\n#else\\nint __pud_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long address);\\n#endif\",\n \"#ifdef __PAGETABLE_PMD_FOLDED\\nstatic inline int __pmd_alloc(struct mm_struct *mm, pud_t *pud,\\n\\t\\t\\t\\t\\t\\tunsigned long address)\\n{\\n\\treturn 0;\\n}\\n#else\\nint __pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long address);\\n#endif\",\n \"int __pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma,\\n\\t\\tpmd_t *pmd, unsigned long address);\\nint __pte_alloc_kernel(pmd_t *pmd, unsigned long address);\",\n \"/*\\n * The following ifdef needed to get the 4level-fixup.h header to work.\\n * Remove it when 4level-fixup.h has been removed.\\n */\\n#if defined(CONFIG_MMU) && !defined(__ARCH_HAS_4LEVEL_HACK)\\nstatic inline pud_t *pud_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long address)\\n{\\n\\treturn (unlikely(pgd_none(*pgd)) && __pud_alloc(mm, pgd, address))?\\n\\t\\tNULL: pud_offset(pgd, address);\\n}\",\n \"static inline pmd_t *pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long address)\\n{\\n\\treturn (unlikely(pud_none(*pud)) && __pmd_alloc(mm, pud, address))?\\n\\t\\tNULL: pmd_offset(pud, address);\\n}\\n#endif /* CONFIG_MMU && !__ARCH_HAS_4LEVEL_HACK */\",\n \"#if USE_SPLIT_PTLOCKS\\n/*\\n * We tuck a spinlock to guard each pagetable page into its struct page,\\n * at page->private, with BUILD_BUG_ON to make sure that this will not\\n * overflow into the next struct page (as it might with DEBUG_SPINLOCK).\\n * When freeing, reset page->mapping so free_pages_check won't complain.\\n */\\n#define __pte_lockptr(page)\\t&((page)->ptl)\\n#define pte_lock_init(_page)\\tdo {\\t\\t\\t\\t\\t\\\\\\n\\tspin_lock_init(__pte_lockptr(_page));\\t\\t\\t\\t\\\\\\n} while (0)\\n#define pte_lock_deinit(page)\\t((page)->mapping = NULL)\\n#define pte_lockptr(mm, pmd)\\t({(void)(mm); __pte_lockptr(pmd_page(*(pmd)));})\\n#else\\t/* !USE_SPLIT_PTLOCKS */\\n/*\\n * We use mm->page_table_lock to guard all pagetable pages of the mm.\\n */\\n#define pte_lock_init(page)\\tdo {} while (0)\\n#define pte_lock_deinit(page)\\tdo {} while (0)\\n#define pte_lockptr(mm, pmd)\\t({(void)(pmd); &(mm)->page_table_lock;})\\n#endif /* USE_SPLIT_PTLOCKS */\",\n \"static inline void pgtable_page_ctor(struct page *page)\\n{\\n\\tpte_lock_init(page);\\n\\tinc_zone_page_state(page, NR_PAGETABLE);\\n}\",\n \"static inline void pgtable_page_dtor(struct page *page)\\n{\\n\\tpte_lock_deinit(page);\\n\\tdec_zone_page_state(page, NR_PAGETABLE);\\n}\",\n \"#define pte_offset_map_lock(mm, pmd, address, ptlp)\\t\\\\\\n({\\t\\t\\t\\t\\t\\t\\t\\\\\\n\\tspinlock_t *__ptl = pte_lockptr(mm, pmd);\\t\\\\\\n\\tpte_t *__pte = pte_offset_map(pmd, address);\\t\\\\\\n\\t*(ptlp) = __ptl;\\t\\t\\t\\t\\\\\\n\\tspin_lock(__ptl);\\t\\t\\t\\t\\\\\\n\\t__pte;\\t\\t\\t\\t\\t\\t\\\\\\n})\",\n \"#define pte_unmap_unlock(pte, ptl)\\tdo {\\t\\t\\\\\\n\\tspin_unlock(ptl);\\t\\t\\t\\t\\\\\\n\\tpte_unmap(pte);\\t\\t\\t\\t\\t\\\\\\n} while (0)\",\n \"#define pte_alloc_map(mm, vma, pmd, address)\\t\\t\\t\\t\\\\\\n\\t((unlikely(pmd_none(*(pmd))) && __pte_alloc(mm, vma,\\t\\\\\\n\\t\\t\\t\\t\\t\\t\\tpmd, address))?\\t\\\\\\n\\t NULL: pte_offset_map(pmd, address))\",\n \"#define pte_alloc_map_lock(mm, pmd, address, ptlp)\\t\\\\\\n\\t((unlikely(pmd_none(*(pmd))) && __pte_alloc(mm, NULL,\\t\\\\\\n\\t\\t\\t\\t\\t\\t\\tpmd, address))?\\t\\\\\\n\\t\\tNULL: pte_offset_map_lock(mm, pmd, address, ptlp))\",\n \"#define pte_alloc_kernel(pmd, address)\\t\\t\\t\\\\\\n\\t((unlikely(pmd_none(*(pmd))) && __pte_alloc_kernel(pmd, address))? \\\\\\n\\t\\tNULL: pte_offset_kernel(pmd, address))\",\n \"extern void free_area_init(unsigned long * zones_size);\\nextern void free_area_init_node(int nid, unsigned long * zones_size,\\n\\t\\tunsigned long zone_start_pfn, unsigned long *zholes_size);\\nextern void free_initmem(void);\",\n \"#ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP\\n/*\\n * With CONFIG_HAVE_MEMBLOCK_NODE_MAP set, an architecture may initialise its\\n * zones, allocate the backing mem_map and account for memory holes in a more\\n * architecture independent manner. This is a substitute for creating the\\n * zone_sizes[] and zholes_size[] arrays and passing them to\\n * free_area_init_node()\\n *\\n * An architecture is expected to register range of page frames backed by\\n * physical memory with memblock_add[_node]() before calling\\n * free_area_init_nodes() passing in the PFN each zone ends at. At a basic\\n * usage, an architecture is expected to do something like\\n *\\n * unsigned long max_zone_pfns[MAX_NR_ZONES] = {max_dma, max_normal_pfn,\\n * \\t\\t\\t\\t\\t\\t\\t max_highmem_pfn};\\n * for_each_valid_physical_page_range()\\n * \\tmemblock_add_node(base, size, nid)\\n * free_area_init_nodes(max_zone_pfns);\\n *\\n * free_bootmem_with_active_regions() calls free_bootmem_node() for each\\n * registered physical page range. Similarly\\n * sparse_memory_present_with_active_regions() calls memory_present() for\\n * each range when SPARSEMEM is enabled.\\n *\\n * See mm/page_alloc.c for more information on each function exposed by\\n * CONFIG_HAVE_MEMBLOCK_NODE_MAP.\\n */\\nextern void free_area_init_nodes(unsigned long *max_zone_pfn);\\nunsigned long node_map_pfn_alignment(void);\\nunsigned long __absent_pages_in_range(int nid, unsigned long start_pfn,\\n\\t\\t\\t\\t\\t\\tunsigned long end_pfn);\\nextern unsigned long absent_pages_in_range(unsigned long start_pfn,\\n\\t\\t\\t\\t\\t\\tunsigned long end_pfn);\\nextern void get_pfn_range_for_nid(unsigned int nid,\\n\\t\\t\\tunsigned long *start_pfn, unsigned long *end_pfn);\\nextern unsigned long find_min_pfn_with_active_regions(void);\\nextern void free_bootmem_with_active_regions(int nid,\\n\\t\\t\\t\\t\\t\\tunsigned long max_low_pfn);\\nextern void sparse_memory_present_with_active_regions(int nid);\",\n \"#endif /* CONFIG_HAVE_MEMBLOCK_NODE_MAP */\",\n \"#if !defined(CONFIG_HAVE_MEMBLOCK_NODE_MAP) && \\\\\\n !defined(CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID)\\nstatic inline int __early_pfn_to_nid(unsigned long pfn)\\n{\\n\\treturn 0;\\n}\\n#else\\n/* please see mm/page_alloc.c */\\nextern int __meminit early_pfn_to_nid(unsigned long pfn);\\n#ifdef CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID\\n/* there is a per-arch backend function. */\\nextern int __meminit __early_pfn_to_nid(unsigned long pfn);\\n#endif /* CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID */\\n#endif\",\n \"extern void set_dma_reserve(unsigned long new_dma_reserve);\\nextern void memmap_init_zone(unsigned long, int, unsigned long,\\n\\t\\t\\t\\tunsigned long, enum memmap_context);\\nextern void setup_per_zone_wmarks(void);\\nextern int __meminit init_per_zone_wmark_min(void);\\nextern void mem_init(void);\\nextern void __init mmap_init(void);\\nextern void show_mem(unsigned int flags);\\nextern void si_meminfo(struct sysinfo * val);\\nextern void si_meminfo_node(struct sysinfo *val, int nid);\",\n \"extern __printf(3, 4)\\nvoid warn_alloc_failed(gfp_t gfp_mask, int order, const char *fmt, ...);\",\n \"extern void setup_per_cpu_pageset(void);\",\n \"extern void zone_pcp_update(struct zone *zone);\\nextern void zone_pcp_reset(struct zone *zone);\",\n \"/* page_alloc.c */\\nextern int min_free_kbytes;\",\n \"/* nommu.c */\\nextern atomic_long_t mmap_pages_allocated;\\nextern int nommu_shrink_inode_mappings(struct inode *, size_t, size_t);\",\n \"/* interval_tree.c */\\nvoid vma_interval_tree_insert(struct vm_area_struct *node,\\n\\t\\t\\t struct rb_root *root);\\nvoid vma_interval_tree_insert_after(struct vm_area_struct *node,\\n\\t\\t\\t\\t struct vm_area_struct *prev,\\n\\t\\t\\t\\t struct rb_root *root);\\nvoid vma_interval_tree_remove(struct vm_area_struct *node,\\n\\t\\t\\t struct rb_root *root);\\nstruct vm_area_struct *vma_interval_tree_iter_first(struct rb_root *root,\\n\\t\\t\\t\\tunsigned long start, unsigned long last);\\nstruct vm_area_struct *vma_interval_tree_iter_next(struct vm_area_struct *node,\\n\\t\\t\\t\\tunsigned long start, unsigned long last);\",\n \"#define vma_interval_tree_foreach(vma, root, start, last)\\t\\t\\\\\\n\\tfor (vma = vma_interval_tree_iter_first(root, start, last);\\t\\\\\\n\\t vma; vma = vma_interval_tree_iter_next(vma, start, last))\",\n \"static inline void vma_nonlinear_insert(struct vm_area_struct *vma,\\n\\t\\t\\t\\t\\tstruct list_head *list)\\n{\\n\\tlist_add_tail(&vma->shared.nonlinear, list);\\n}\",\n \"void anon_vma_interval_tree_insert(struct anon_vma_chain *node,\\n\\t\\t\\t\\t struct rb_root *root);\\nvoid anon_vma_interval_tree_remove(struct anon_vma_chain *node,\\n\\t\\t\\t\\t struct rb_root *root);\\nstruct anon_vma_chain *anon_vma_interval_tree_iter_first(\\n\\tstruct rb_root *root, unsigned long start, unsigned long last);\\nstruct anon_vma_chain *anon_vma_interval_tree_iter_next(\\n\\tstruct anon_vma_chain *node, unsigned long start, unsigned long last);\\n#ifdef CONFIG_DEBUG_VM_RB\\nvoid anon_vma_interval_tree_verify(struct anon_vma_chain *node);\\n#endif\",\n \"#define anon_vma_interval_tree_foreach(avc, root, start, last)\\t\\t \\\\\\n\\tfor (avc = anon_vma_interval_tree_iter_first(root, start, last); \\\\\\n\\t avc; avc = anon_vma_interval_tree_iter_next(avc, start, last))\",\n \"/* mmap.c */\\nextern int __vm_enough_memory(struct mm_struct *mm, long pages, int cap_sys_admin);\\nextern int vma_adjust(struct vm_area_struct *vma, unsigned long start,\\n\\tunsigned long end, pgoff_t pgoff, struct vm_area_struct *insert);\\nextern struct vm_area_struct *vma_merge(struct mm_struct *,\\n\\tstruct vm_area_struct *prev, unsigned long addr, unsigned long end,\\n\\tunsigned long vm_flags, struct anon_vma *, struct file *, pgoff_t,\\n\\tstruct mempolicy *);\\nextern struct anon_vma *find_mergeable_anon_vma(struct vm_area_struct *);\\nextern int split_vma(struct mm_struct *,\\n\\tstruct vm_area_struct *, unsigned long addr, int new_below);\\nextern int insert_vm_struct(struct mm_struct *, struct vm_area_struct *);\\nextern void __vma_link_rb(struct mm_struct *, struct vm_area_struct *,\\n\\tstruct rb_node **, struct rb_node *);\\nextern void unlink_file_vma(struct vm_area_struct *);\\nextern struct vm_area_struct *copy_vma(struct vm_area_struct **,\\n\\tunsigned long addr, unsigned long len, pgoff_t pgoff,\\n\\tbool *need_rmap_locks);\\nextern void exit_mmap(struct mm_struct *);\",\n \"extern int mm_take_all_locks(struct mm_struct *mm);\\nextern void mm_drop_all_locks(struct mm_struct *mm);\",\n \"extern void set_mm_exe_file(struct mm_struct *mm, struct file *new_exe_file);\\nextern struct file *get_mm_exe_file(struct mm_struct *mm);\",\n \"extern int may_expand_vm(struct mm_struct *mm, unsigned long npages);\\nextern int install_special_mapping(struct mm_struct *mm,\\n\\t\\t\\t\\t unsigned long addr, unsigned long len,\\n\\t\\t\\t\\t unsigned long flags, struct page **pages);\",\n \"extern unsigned long get_unmapped_area(struct file *, unsigned long, unsigned long, unsigned long, unsigned long);\",\n \"extern unsigned long mmap_region(struct file *file, unsigned long addr,\\n\\tunsigned long len, vm_flags_t vm_flags, unsigned long pgoff);\\nextern unsigned long do_mmap_pgoff(struct file *file, unsigned long addr,\\n\\tunsigned long len, unsigned long prot, unsigned long flags,\\n\\tunsigned long pgoff, unsigned long *populate);\\nextern int do_munmap(struct mm_struct *, unsigned long, size_t);\",\n \"#ifdef CONFIG_MMU\\nextern int __mm_populate(unsigned long addr, unsigned long len,\\n\\t\\t\\t int ignore_errors);\\nstatic inline void mm_populate(unsigned long addr, unsigned long len)\\n{\\n\\t/* Ignore errors */\\n\\t(void) __mm_populate(addr, len, 1);\\n}\\n#else\\nstatic inline void mm_populate(unsigned long addr, unsigned long len) {}\\n#endif\",\n \"/* These take the mm semaphore themselves */\\nextern unsigned long vm_brk(unsigned long, unsigned long);\\nextern int vm_munmap(unsigned long, size_t);\\nextern unsigned long vm_mmap(struct file *, unsigned long,\\n unsigned long, unsigned long,\\n unsigned long, unsigned long);\",\n \"struct vm_unmapped_area_info {\\n#define VM_UNMAPPED_AREA_TOPDOWN 1\\n\\tunsigned long flags;\\n\\tunsigned long length;\\n\\tunsigned long low_limit;\\n\\tunsigned long high_limit;\\n\\tunsigned long align_mask;\\n\\tunsigned long align_offset;\\n};\",\n \"extern unsigned long unmapped_area(struct vm_unmapped_area_info *info);\\nextern unsigned long unmapped_area_topdown(struct vm_unmapped_area_info *info);\",\n \"/*\\n * Search for an unmapped address range.\\n *\\n * We are looking for a range that:\\n * - does not intersect with any VMA;\\n * - is contained within the [low_limit, high_limit) interval;\\n * - is at least the desired size.\\n * - satisfies (begin_addr & align_mask) == (align_offset & align_mask)\\n */\\nstatic inline unsigned long\\nvm_unmapped_area(struct vm_unmapped_area_info *info)\\n{\\n\\tif (!(info->flags & VM_UNMAPPED_AREA_TOPDOWN))\\n\\t\\treturn unmapped_area(info);\\n\\telse\\n\\t\\treturn unmapped_area_topdown(info);\\n}\",\n \"/* truncate.c */\\nextern void truncate_inode_pages(struct address_space *, loff_t);\\nextern void truncate_inode_pages_range(struct address_space *,\\n\\t\\t\\t\\t loff_t lstart, loff_t lend);\",\n \"/* generic vm_area_ops exported for stackable file systems */\\nextern int filemap_fault(struct vm_area_struct *, struct vm_fault *);\\nextern int filemap_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf);\",\n \"/* mm/page-writeback.c */\\nint write_one_page(struct page *page, int wait);\\nvoid task_dirty_inc(struct task_struct *tsk);\",\n \"/* readahead.c */\\n#define VM_MAX_READAHEAD\\t128\\t/* kbytes */\\n#define VM_MIN_READAHEAD\\t16\\t/* kbytes (includes current page) */\",\n \"int force_page_cache_readahead(struct address_space *mapping, struct file *filp,\\n\\t\\t\\tpgoff_t offset, unsigned long nr_to_read);\",\n \"void page_cache_sync_readahead(struct address_space *mapping,\\n\\t\\t\\t struct file_ra_state *ra,\\n\\t\\t\\t struct file *filp,\\n\\t\\t\\t pgoff_t offset,\\n\\t\\t\\t unsigned long size);\",\n \"void page_cache_async_readahead(struct address_space *mapping,\\n\\t\\t\\t\\tstruct file_ra_state *ra,\\n\\t\\t\\t\\tstruct file *filp,\\n\\t\\t\\t\\tstruct page *pg,\\n\\t\\t\\t\\tpgoff_t offset,\\n\\t\\t\\t\\tunsigned long size);\",\n \"unsigned long max_sane_readahead(unsigned long nr);\\nunsigned long ra_submit(struct file_ra_state *ra,\\n\\t\\t\\tstruct address_space *mapping,\\n\\t\\t\\tstruct file *filp);\",\n \"/* Generic expand stack which grows the stack according to GROWS{UP,DOWN} */\\nextern int expand_stack(struct vm_area_struct *vma, unsigned long address);\",\n \"/* CONFIG_STACK_GROWSUP still needs to to grow downwards at some places */\\nextern int expand_downwards(struct vm_area_struct *vma,\\n\\t\\tunsigned long address);\\n#if VM_GROWSUP\\nextern int expand_upwards(struct vm_area_struct *vma, unsigned long address);\\n#else\\n #define expand_upwards(vma, address) do { } while (0)\\n#endif\",\n \"/* Look up the first VMA which satisfies addr < vm_end, NULL if none. */\\nextern struct vm_area_struct * find_vma(struct mm_struct * mm, unsigned long addr);\\nextern struct vm_area_struct * find_vma_prev(struct mm_struct * mm, unsigned long addr,\\n\\t\\t\\t\\t\\t struct vm_area_struct **pprev);\",\n \"/* Look up the first VMA which intersects the interval start_addr..end_addr-1,\\n NULL if none. Assume start_addr < end_addr. */\\nstatic inline struct vm_area_struct * find_vma_intersection(struct mm_struct * mm, unsigned long start_addr, unsigned long end_addr)\\n{\\n\\tstruct vm_area_struct * vma = find_vma(mm,start_addr);\",\n \"\\tif (vma && end_addr <= vma->vm_start)\\n\\t\\tvma = NULL;\\n\\treturn vma;\\n}\",\n \"static inline unsigned long vma_pages(struct vm_area_struct *vma)\\n{\\n\\treturn (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;\\n}\",\n \"/* Look up the first VMA which exactly match the interval vm_start ... vm_end */\\nstatic inline struct vm_area_struct *find_exact_vma(struct mm_struct *mm,\\n\\t\\t\\t\\tunsigned long vm_start, unsigned long vm_end)\\n{\\n\\tstruct vm_area_struct *vma = find_vma(mm, vm_start);\",\n \"\\tif (vma && (vma->vm_start != vm_start || vma->vm_end != vm_end))\\n\\t\\tvma = NULL;\",\n \"\\treturn vma;\\n}\",\n \"#ifdef CONFIG_MMU\\npgprot_t vm_get_page_prot(unsigned long vm_flags);\\n#else\\nstatic inline pgprot_t vm_get_page_prot(unsigned long vm_flags)\\n{\\n\\treturn __pgprot(0);\\n}\\n#endif\",\n \"#ifdef CONFIG_ARCH_USES_NUMA_PROT_NONE\\nunsigned long change_prot_numa(struct vm_area_struct *vma,\\n\\t\\t\\tunsigned long start, unsigned long end);\\n#endif\",\n \"struct vm_area_struct *find_extend_vma(struct mm_struct *, unsigned long addr);\\nint remap_pfn_range(struct vm_area_struct *, unsigned long addr,\\n\\t\\t\\tunsigned long pfn, unsigned long size, pgprot_t);\\nint vm_insert_page(struct vm_area_struct *, unsigned long addr, struct page *);\\nint vm_insert_pfn(struct vm_area_struct *vma, unsigned long addr,\\n\\t\\t\\tunsigned long pfn);\\nint vm_insert_mixed(struct vm_area_struct *vma, unsigned long addr,\\n\\t\\t\\tunsigned long pfn);\",\n \"int vm_iomap_memory(struct vm_area_struct *vma, phys_addr_t start, unsigned long len);\\n\",\n \"\\nstruct page *follow_page_mask(struct vm_area_struct *vma,\\n\\t\\t\\t unsigned long address, unsigned int foll_flags,\\n\\t\\t\\t unsigned int *page_mask);\",\n \"static inline struct page *follow_page(struct vm_area_struct *vma,\\n\\t\\tunsigned long address, unsigned int foll_flags)\\n{\\n\\tunsigned int unused_page_mask;\\n\\treturn follow_page_mask(vma, address, foll_flags, &unused_page_mask);\\n}\",\n \"#define FOLL_WRITE\\t0x01\\t/* check pte is writable */\\n#define FOLL_TOUCH\\t0x02\\t/* mark page accessed */\\n#define FOLL_GET\\t0x04\\t/* do get_page on page */\\n#define FOLL_DUMP\\t0x08\\t/* give error on hole if it would be zero */\\n#define FOLL_FORCE\\t0x10\\t/* get_user_pages read/write w/o permission */\\n#define FOLL_NOWAIT\\t0x20\\t/* if a disk transfer is needed, start the IO\\n\\t\\t\\t\\t * and return without waiting upon it */\\n#define FOLL_MLOCK\\t0x40\\t/* mark page as mlocked */\\n#define FOLL_SPLIT\\t0x80\\t/* don't return transhuge pages, split them */\\n#define FOLL_HWPOISON\\t0x100\\t/* check page is hwpoisoned */\\n#define FOLL_NUMA\\t0x200\\t/* force NUMA hinting page fault */\\n#define FOLL_MIGRATION\\t0x400\\t/* wait for page to replace migration entry */\",\n \"typedef int (*pte_fn_t)(pte_t *pte, pgtable_t token, unsigned long addr,\\n\\t\\t\\tvoid *data);\\nextern int apply_to_page_range(struct mm_struct *mm, unsigned long address,\\n\\t\\t\\t unsigned long size, pte_fn_t fn, void *data);\",\n \"#ifdef CONFIG_PROC_FS\\nvoid vm_stat_account(struct mm_struct *, unsigned long, struct file *, long);\\n#else\\nstatic inline void vm_stat_account(struct mm_struct *mm,\\n\\t\\t\\tunsigned long flags, struct file *file, long pages)\\n{\\n\\tmm->total_vm += pages;\\n}\\n#endif /* CONFIG_PROC_FS */\",\n \"#ifdef CONFIG_DEBUG_PAGEALLOC\\nextern void kernel_map_pages(struct page *page, int numpages, int enable);\\n#ifdef CONFIG_HIBERNATION\\nextern bool kernel_page_present(struct page *page);\\n#endif /* CONFIG_HIBERNATION */\\n#else\\nstatic inline void\\nkernel_map_pages(struct page *page, int numpages, int enable) {}\\n#ifdef CONFIG_HIBERNATION\\nstatic inline bool kernel_page_present(struct page *page) { return true; }\\n#endif /* CONFIG_HIBERNATION */\\n#endif\",\n \"extern struct vm_area_struct *get_gate_vma(struct mm_struct *mm);\\n#ifdef\\t__HAVE_ARCH_GATE_AREA\\nint in_gate_area_no_mm(unsigned long addr);\\nint in_gate_area(struct mm_struct *mm, unsigned long addr);\\n#else\\nint in_gate_area_no_mm(unsigned long addr);\\n#define in_gate_area(mm, addr) ({(void)mm; in_gate_area_no_mm(addr);})\\n#endif\\t/* __HAVE_ARCH_GATE_AREA */\",\n \"int drop_caches_sysctl_handler(struct ctl_table *, int,\\n\\t\\t\\t\\t\\tvoid __user *, size_t *, loff_t *);\\nunsigned long shrink_slab(struct shrink_control *shrink,\\n\\t\\t\\t unsigned long nr_pages_scanned,\\n\\t\\t\\t unsigned long lru_pages);\",\n \"#ifndef CONFIG_MMU\\n#define randomize_va_space 0\\n#else\\nextern int randomize_va_space;\\n#endif\",\n \"const char * arch_vma_name(struct vm_area_struct *vma);\\nvoid print_vma_addr(char *prefix, unsigned long rip);\",\n \"void sparse_mem_maps_populate_node(struct page **map_map,\\n\\t\\t\\t\\t unsigned long pnum_begin,\\n\\t\\t\\t\\t unsigned long pnum_end,\\n\\t\\t\\t\\t unsigned long map_count,\\n\\t\\t\\t\\t int nodeid);\",\n \"struct page *sparse_mem_map_populate(unsigned long pnum, int nid);\\npgd_t *vmemmap_pgd_populate(unsigned long addr, int node);\\npud_t *vmemmap_pud_populate(pgd_t *pgd, unsigned long addr, int node);\\npmd_t *vmemmap_pmd_populate(pud_t *pud, unsigned long addr, int node);\\npte_t *vmemmap_pte_populate(pmd_t *pmd, unsigned long addr, int node);\\nvoid *vmemmap_alloc_block(unsigned long size, int node);\\nvoid *vmemmap_alloc_block_buf(unsigned long size, int node);\\nvoid vmemmap_verify(pte_t *, int, unsigned long, unsigned long);\\nint vmemmap_populate_basepages(struct page *start_page,\\n\\t\\t\\t\\t\\t\\tunsigned long pages, int node);\\nint vmemmap_populate(struct page *start_page, unsigned long pages, int node);\\nvoid vmemmap_populate_print_last(void);\\n#ifdef CONFIG_MEMORY_HOTPLUG\\nvoid vmemmap_free(struct page *memmap, unsigned long nr_pages);\\n#endif\\nvoid register_page_bootmem_memmap(unsigned long section_nr, struct page *map,\\n\\t\\t\\t\\t unsigned long size);\",\n \"enum mf_flags {\\n\\tMF_COUNT_INCREASED = 1 << 0,\\n\\tMF_ACTION_REQUIRED = 1 << 1,\\n\\tMF_MUST_KILL = 1 << 2,\\n};\\nextern int memory_failure(unsigned long pfn, int trapno, int flags);\\nextern void memory_failure_queue(unsigned long pfn, int trapno, int flags);\\nextern int unpoison_memory(unsigned long pfn);\\nextern int sysctl_memory_failure_early_kill;\\nextern int sysctl_memory_failure_recovery;\\nextern void shake_page(struct page *p, int access);\\nextern atomic_long_t num_poisoned_pages;\\nextern int soft_offline_page(struct page *page, int flags);\",\n \"extern void dump_page(struct page *page);\",\n \"#if defined(CONFIG_TRANSPARENT_HUGEPAGE) || defined(CONFIG_HUGETLBFS)\\nextern void clear_huge_page(struct page *page,\\n\\t\\t\\t unsigned long addr,\\n\\t\\t\\t unsigned int pages_per_huge_page);\\nextern void copy_user_huge_page(struct page *dst, struct page *src,\\n\\t\\t\\t\\tunsigned long addr, struct vm_area_struct *vma,\\n\\t\\t\\t\\tunsigned int pages_per_huge_page);\\n#endif /* CONFIG_TRANSPARENT_HUGEPAGE || CONFIG_HUGETLBFS */\",\n \"#ifdef CONFIG_DEBUG_PAGEALLOC\\nextern unsigned int _debug_guardpage_minorder;\",\n \"static inline unsigned int debug_guardpage_minorder(void)\\n{\\n\\treturn _debug_guardpage_minorder;\\n}\",\n \"static inline bool page_is_guard(struct page *page)\\n{\\n\\treturn test_bit(PAGE_DEBUG_FLAG_GUARD, &page->debug_flags);\\n}\\n#else\\nstatic inline unsigned int debug_guardpage_minorder(void) { return 0; }\\nstatic inline bool page_is_guard(struct page *page) { return false; }\\n#endif /* CONFIG_DEBUG_PAGEALLOC */\",\n \"#endif /* __KERNEL__ */\\n#endif /* _LINUX_MM_H */\"\n]","isConversational":false},"labels":{"kind":"list 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\"mm/memory.c\"], \"fixing_code_end_loc\": [1616, 2443], \"fixing_code_start_loc\": [1614, 2396], \"message\": \"Integer overflow in the fb_mmap function in drivers/video/fbmem.c in the Linux kernel before 3.8.9, as used in a certain Motorola build of Android 4.1.2 and other products, allows local users to create a read-write memory mapping for the entirety of kernel memory, and consequently gain privileges, via crafted /dev/graphics/fb0 mmap2 system calls, as demonstrated by the Motochopper pwn program.\", \"other\": {\"cve\": {\"cisaActionDue\": \"2022-10-06\", \"cisaExploitAdd\": \"2022-09-15\", \"cisaRequiredAction\": \"Apply updates per vendor instructions.\", \"cisaVulnerabilityName\": \"Linux Kernel Integer Overflow Vulnerability\", \"configurations\": [{\"nodes\": [{\"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"D11FDC31-8717-4FE1-A2F0-731D2F387B2E\", \"versionEndExcluding\": null, \"versionEndIncluding\": \"3.8.8\", 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fb_mmap function in drivers/video/fbmem.c in the Linux kernel before 3.8.9, as used in a certain Motorola build of Android 4.1.2 and other products, allows local users to create a read-write memory mapping for the entirety of kernel memory, and consequently gain privileges, via crafted /dev/graphics/fb0 mmap2 system calls, as demonstrated by the Motochopper pwn program.\"}, {\"lang\": \"es\", \"value\": \"Una determinada version de Android v4.1.2 en dispositivos Motorola Razr HD, Razr M, y Atrix HD con el chipset Qualcomm MSM8960 permite a atacantes f\\u00edsicamente pr\\u00f3ximos obtener acceso de root entrando en el modo de depuraci\\u00f3n USB, usando Android Debug Bridge (ADB) para establecer una conexi\\u00f3n USB, y cargar y ejecutar el programa pwn Motochopper.\"}], \"evaluatorComment\": null, \"id\": \"CVE-2013-2596\", \"lastModified\": \"2016-12-31T02:59:02.887\", \"metrics\": {\"cvssMetricV2\": [{\"acInsufInfo\": false, \"baseSeverity\": \"MEDIUM\", \"cvssData\": {\"accessComplexity\": \"MEDIUM\", \"accessVector\": \"LOCAL\", \"authentication\": \"NONE\", \"availabilityImpact\": \"COMPLETE\", \"baseScore\": 6.9, \"confidentialityImpact\": \"COMPLETE\", \"integrityImpact\": \"COMPLETE\", \"vectorString\": \"AV:L/AC:M/Au:N/C:C/I:C/A:C\", \"version\": \"2.0\"}, \"exploitabilityScore\": 3.4, \"impactScore\": 10.0, \"obtainAllPrivilege\": true, \"obtainOtherPrivilege\": false, \"obtainUserPrivilege\": false, \"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"userInteractionRequired\": false}], \"cvssMetricV30\": null, \"cvssMetricV31\": null}, \"published\": \"2013-04-13T02:59:46.627\", \"references\": [{\"source\": \"cve@mitre.org\", \"tags\": [\"Exploit\"], \"url\": \"http://forum.xda-developers.com/showthread.php?t=2255491\"}, {\"source\": \"cve@mitre.org\", \"tags\": [\"Patch\"], \"url\": \"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b4cbb197c7e7a68dbad0d491242e3ca67420c13e\"}, {\"source\": \"cve@mitre.org\", \"tags\": [\"Exploit\", \"Patch\"], \"url\": \"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=fc9bbca8f650e5f738af8806317c0a041a48ae4a\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761\"}, {\"source\": \"cve@mitre.org\", \"tags\": [\"Patch\"], \"url\": \"http://marc.info/?l=linux-kernel&m=136616837923938&w=2\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://rhn.redhat.com/errata/RHSA-2015-0695.html\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://rhn.redhat.com/errata/RHSA-2015-0782.html\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://rhn.redhat.com/errata/RHSA-2015-0803.html\"}, {\"source\": \"cve@mitre.org\", \"tags\": [\"Exploit\"], \"url\": \"http://www.droid-life.com/2013/04/09/root-method-released-for-droid-razr-hd-running-android-4-1-2-other-devices-too/\"}, {\"source\": \"cve@mitre.org\", \"tags\": [\"Exploit\"], \"url\": \"http://www.droidrzr.com/index.php/topic/15208-root-motochopper-yet-another-android-root-exploit/\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.9\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://www.mandriva.com/security/advisories?name=MDVSA-2013:176\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://www.securityfocus.com/bid/59264\"}, {\"source\": \"cve@mitre.org\", \"tags\": [\"Patch\"], \"url\": \"https://github.com/torvalds/linux/commit/b4cbb197c7e7a68dbad0d491242e3ca67420c13e\"}, {\"source\": \"cve@mitre.org\", \"tags\": [\"Exploit\", \"Patch\"], \"url\": \"https://github.com/torvalds/linux/commit/fc9bbca8f650e5f738af8806317c0a041a48ae4a\"}], \"sourceIdentifier\": \"cve@mitre.org\", \"vendorComments\": null, \"vulnStatus\": \"Modified\", \"weaknesses\": [{\"description\": [{\"lang\": \"en\", \"value\": \"CWE-189\"}], \"source\": \"nvd@nist.gov\", \"type\": \"Primary\"}]}, \"github_commit_url\": \"https://github.com/torvalds/linux/commit/b4cbb197c7e7a68dbad0d491242e3ca67420c13e\"}, \"type\": \"CWE-189\"}"},"index":{"kind":"number","value":859,"string":"859"}}},{"rowIdx":5090,"cells":{"prompt":{"kind":"string","value":"Determine whether the {function_name} code is vulnerable or not."},"completions":{"kind":"list like","value":["/*\n * linux/mm/memory.c\n *\n * Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds\n */","/*\n * demand-loading started 01.12.91 - seems it is high on the list of\n * things wanted, and it should be easy to implement. - Linus\n */","/*\n * Ok, demand-loading was easy, shared pages a little bit tricker. Shared\n * pages started 02.12.91, seems to work. - Linus.\n *\n * Tested sharing by executing about 30 /bin/sh: under the old kernel it\n * would have taken more than the 6M I have free, but it worked well as\n * far as I could see.\n *\n * Also corrected some \"invalidate()\"s - I wasn't doing enough of them.\n */","/*\n * Real VM (paging to/from disk) started 18.12.91. Much more work and\n * thought has to go into this. Oh, well..\n * 19.12.91 - works, somewhat. Sometimes I get faults, don't know why.\n *\t\tFound it. Everything seems to work now.\n * 20.12.91 - Ok, making the swap-device changeable like the root.\n */","/*\n * 05.04.94 - Multi-page memory management added for v1.1.\n * \t\tIdea by Alex Bligh (alex@cconcepts.co.uk)\n *\n * 16.07.99 - Support of BIGMEM added by Gerhard Wichert, Siemens AG\n *\t\t(Gerhard.Wichert@pdb.siemens.de)\n *\n * Aug/Sep 2004 Changed to four level page tables (Andi Kleen)\n */","#include <linux/kernel_stat.h>\n#include <linux/mm.h>\n#include <linux/hugetlb.h>\n#include <linux/mman.h>\n#include <linux/swap.h>\n#include <linux/highmem.h>\n#include <linux/pagemap.h>\n#include <linux/ksm.h>\n#include <linux/rmap.h>\n#include <linux/export.h>\n#include <linux/delayacct.h>\n#include <linux/init.h>\n#include <linux/writeback.h>\n#include <linux/memcontrol.h>\n#include <linux/mmu_notifier.h>\n#include <linux/kallsyms.h>\n#include <linux/swapops.h>\n#include <linux/elf.h>\n#include <linux/gfp.h>\n#include <linux/migrate.h>\n#include <linux/string.h>","#include <asm/io.h>\n#include <asm/pgalloc.h>\n#include <asm/uaccess.h>\n#include <asm/tlb.h>\n#include <asm/tlbflush.h>\n#include <asm/pgtable.h>","#include \"internal.h\"","#ifdef LAST_NID_NOT_IN_PAGE_FLAGS\n#warning Unfortunate NUMA and NUMA Balancing config, growing page-frame for last_nid.\n#endif","#ifndef CONFIG_NEED_MULTIPLE_NODES\n/* use the per-pgdat data instead for discontigmem - mbligh */\nunsigned long max_mapnr;\nstruct page *mem_map;","EXPORT_SYMBOL(max_mapnr);\nEXPORT_SYMBOL(mem_map);\n#endif","unsigned long num_physpages;\n/*\n * A number of key systems in x86 including ioremap() rely on the assumption\n * that high_memory defines the upper bound on direct map memory, then end\n * of ZONE_NORMAL. Under CONFIG_DISCONTIG this means that max_low_pfn and\n * highstart_pfn must be the same; there must be no gap between ZONE_NORMAL\n * and ZONE_HIGHMEM.\n */\nvoid * high_memory;","EXPORT_SYMBOL(num_physpages);\nEXPORT_SYMBOL(high_memory);","/*\n * Randomize the address space (stacks, mmaps, brk, etc.).\n *\n * ( When CONFIG_COMPAT_BRK=y we exclude brk from randomization,\n * as ancient (libc5 based) binaries can segfault. )\n */\nint randomize_va_space __read_mostly =\n#ifdef CONFIG_COMPAT_BRK\n\t\t\t\t\t1;\n#else\n\t\t\t\t\t2;\n#endif","static int __init disable_randmaps(char *s)\n{\n\trandomize_va_space = 0;\n\treturn 1;\n}\n__setup(\"norandmaps\", disable_randmaps);","unsigned long zero_pfn __read_mostly;\nunsigned long highest_memmap_pfn __read_mostly;","/*\n * CONFIG_MMU architectures set up ZERO_PAGE in their paging_init()\n */\nstatic int __init init_zero_pfn(void)\n{\n\tzero_pfn = page_to_pfn(ZERO_PAGE(0));\n\treturn 0;\n}\ncore_initcall(init_zero_pfn);","\n#if defined(SPLIT_RSS_COUNTING)","void sync_mm_rss(struct mm_struct *mm)\n{\n\tint i;","\tfor (i = 0; i < NR_MM_COUNTERS; i++) {\n\t\tif (current->rss_stat.count[i]) {\n\t\t\tadd_mm_counter(mm, i, current->rss_stat.count[i]);\n\t\t\tcurrent->rss_stat.count[i] = 0;\n\t\t}\n\t}\n\tcurrent->rss_stat.events = 0;\n}","static void add_mm_counter_fast(struct mm_struct *mm, int member, int val)\n{\n\tstruct task_struct *task = current;","\tif (likely(task->mm == mm))\n\t\ttask->rss_stat.count[member] += val;\n\telse\n\t\tadd_mm_counter(mm, member, val);\n}\n#define inc_mm_counter_fast(mm, member) add_mm_counter_fast(mm, member, 1)\n#define dec_mm_counter_fast(mm, member) add_mm_counter_fast(mm, member, -1)","/* sync counter once per 64 page faults */\n#define TASK_RSS_EVENTS_THRESH\t(64)\nstatic void check_sync_rss_stat(struct task_struct *task)\n{\n\tif (unlikely(task != current))\n\t\treturn;\n\tif (unlikely(task->rss_stat.events++ > TASK_RSS_EVENTS_THRESH))\n\t\tsync_mm_rss(task->mm);\n}\n#else /* SPLIT_RSS_COUNTING */","#define inc_mm_counter_fast(mm, member) inc_mm_counter(mm, member)\n#define dec_mm_counter_fast(mm, member) dec_mm_counter(mm, member)","static void check_sync_rss_stat(struct task_struct *task)\n{\n}","#endif /* SPLIT_RSS_COUNTING */","#ifdef HAVE_GENERIC_MMU_GATHER","static int tlb_next_batch(struct mmu_gather *tlb)\n{\n\tstruct mmu_gather_batch *batch;","\tbatch = tlb->active;\n\tif (batch->next) {\n\t\ttlb->active = batch->next;\n\t\treturn 1;\n\t}","\tif (tlb->batch_count == MAX_GATHER_BATCH_COUNT)\n\t\treturn 0;","\tbatch = (void *)__get_free_pages(GFP_NOWAIT | __GFP_NOWARN, 0);\n\tif (!batch)\n\t\treturn 0;","\ttlb->batch_count++;\n\tbatch->next = NULL;\n\tbatch->nr = 0;\n\tbatch->max = MAX_GATHER_BATCH;","\ttlb->active->next = batch;\n\ttlb->active = batch;","\treturn 1;\n}","/* tlb_gather_mmu\n *\tCalled to initialize an (on-stack) mmu_gather structure for page-table\n *\ttear-down from @mm. The @fullmm argument is used when @mm is without\n *\tusers and we're going to destroy the full address space (exit/execve).\n */\nvoid tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, bool fullmm)\n{\n\ttlb->mm = mm;","\ttlb->fullmm = fullmm;\n\ttlb->need_flush_all = 0;\n\ttlb->start\t= -1UL;\n\ttlb->end\t= 0;\n\ttlb->need_flush = 0;\n\ttlb->fast_mode = (num_possible_cpus() == 1);\n\ttlb->local.next = NULL;\n\ttlb->local.nr = 0;\n\ttlb->local.max = ARRAY_SIZE(tlb->__pages);\n\ttlb->active = &tlb->local;\n\ttlb->batch_count = 0;","#ifdef CONFIG_HAVE_RCU_TABLE_FREE\n\ttlb->batch = NULL;\n#endif\n}","void tlb_flush_mmu(struct mmu_gather *tlb)\n{\n\tstruct mmu_gather_batch *batch;","\tif (!tlb->need_flush)\n\t\treturn;\n\ttlb->need_flush = 0;\n\ttlb_flush(tlb);\n#ifdef CONFIG_HAVE_RCU_TABLE_FREE\n\ttlb_table_flush(tlb);\n#endif","\tif (tlb_fast_mode(tlb))\n\t\treturn;","\tfor (batch = &tlb->local; batch; batch = batch->next) {\n\t\tfree_pages_and_swap_cache(batch->pages, batch->nr);\n\t\tbatch->nr = 0;\n\t}\n\ttlb->active = &tlb->local;\n}","/* tlb_finish_mmu\n *\tCalled at the end of the shootdown operation to free up any resources\n *\tthat were required.\n */\nvoid tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end)\n{\n\tstruct mmu_gather_batch *batch, *next;","\ttlb->start = start;\n\ttlb->end = end;\n\ttlb_flush_mmu(tlb);","\t/* keep the page table cache within bounds */\n\tcheck_pgt_cache();","\tfor (batch = tlb->local.next; batch; batch = next) {\n\t\tnext = batch->next;\n\t\tfree_pages((unsigned long)batch, 0);\n\t}\n\ttlb->local.next = NULL;\n}","/* __tlb_remove_page\n *\tMust perform the equivalent to __free_pte(pte_get_and_clear(ptep)), while\n *\thandling the additional races in SMP caused by other CPUs caching valid\n *\tmappings in their TLBs. Returns the number of free page slots left.\n *\tWhen out of page slots we must call tlb_flush_mmu().\n */\nint __tlb_remove_page(struct mmu_gather *tlb, struct page *page)\n{\n\tstruct mmu_gather_batch *batch;","\tVM_BUG_ON(!tlb->need_flush);","\tif (tlb_fast_mode(tlb)) {\n\t\tfree_page_and_swap_cache(page);\n\t\treturn 1; /* avoid calling tlb_flush_mmu() */\n\t}","\tbatch = tlb->active;\n\tbatch->pages[batch->nr++] = page;\n\tif (batch->nr == batch->max) {\n\t\tif (!tlb_next_batch(tlb))\n\t\t\treturn 0;\n\t\tbatch = tlb->active;\n\t}\n\tVM_BUG_ON(batch->nr > batch->max);","\treturn batch->max - batch->nr;\n}","#endif /* HAVE_GENERIC_MMU_GATHER */","#ifdef CONFIG_HAVE_RCU_TABLE_FREE","/*\n * See the comment near struct mmu_table_batch.\n */","static void tlb_remove_table_smp_sync(void *arg)\n{\n\t/* Simply deliver the interrupt */\n}","static void tlb_remove_table_one(void *table)\n{\n\t/*\n\t * This isn't an RCU grace period and hence the page-tables cannot be\n\t * assumed to be actually RCU-freed.\n\t *\n\t * It is however sufficient for software page-table walkers that rely on\n\t * IRQ disabling. See the comment near struct mmu_table_batch.\n\t */\n\tsmp_call_function(tlb_remove_table_smp_sync, NULL, 1);\n\t__tlb_remove_table(table);\n}","static void tlb_remove_table_rcu(struct rcu_head *head)\n{\n\tstruct mmu_table_batch *batch;\n\tint i;","\tbatch = container_of(head, struct mmu_table_batch, rcu);","\tfor (i = 0; i < batch->nr; i++)\n\t\t__tlb_remove_table(batch->tables[i]);","\tfree_page((unsigned long)batch);\n}","void tlb_table_flush(struct mmu_gather *tlb)\n{\n\tstruct mmu_table_batch **batch = &tlb->batch;","\tif (*batch) {\n\t\tcall_rcu_sched(&(*batch)->rcu, tlb_remove_table_rcu);\n\t\t*batch = NULL;\n\t}\n}","void tlb_remove_table(struct mmu_gather *tlb, void *table)\n{\n\tstruct mmu_table_batch **batch = &tlb->batch;","\ttlb->need_flush = 1;","\t/*\n\t * When there's less then two users of this mm there cannot be a\n\t * concurrent page-table walk.\n\t */\n\tif (atomic_read(&tlb->mm->mm_users) < 2) {\n\t\t__tlb_remove_table(table);\n\t\treturn;\n\t}","\tif (*batch == NULL) {\n\t\t*batch = (struct mmu_table_batch *)__get_free_page(GFP_NOWAIT | __GFP_NOWARN);\n\t\tif (*batch == NULL) {\n\t\t\ttlb_remove_table_one(table);\n\t\t\treturn;\n\t\t}\n\t\t(*batch)->nr = 0;\n\t}\n\t(*batch)->tables[(*batch)->nr++] = table;\n\tif ((*batch)->nr == MAX_TABLE_BATCH)\n\t\ttlb_table_flush(tlb);\n}","#endif /* CONFIG_HAVE_RCU_TABLE_FREE */","/*\n * If a p?d_bad entry is found while walking page tables, report\n * the error, before resetting entry to p?d_none. Usually (but\n * very seldom) called out from the p?d_none_or_clear_bad macros.\n */","void pgd_clear_bad(pgd_t *pgd)\n{\n\tpgd_ERROR(*pgd);\n\tpgd_clear(pgd);\n}","void pud_clear_bad(pud_t *pud)\n{\n\tpud_ERROR(*pud);\n\tpud_clear(pud);\n}","void pmd_clear_bad(pmd_t *pmd)\n{\n\tpmd_ERROR(*pmd);\n\tpmd_clear(pmd);\n}","/*\n * Note: this doesn't free the actual pages themselves. That\n * has been handled earlier when unmapping all the memory regions.\n */\nstatic void free_pte_range(struct mmu_gather *tlb, pmd_t *pmd,\n\t\t\t unsigned long addr)\n{\n\tpgtable_t token = pmd_pgtable(*pmd);\n\tpmd_clear(pmd);\n\tpte_free_tlb(tlb, token, addr);\n\ttlb->mm->nr_ptes--;\n}","static inline void free_pmd_range(struct mmu_gather *tlb, pud_t *pud,\n\t\t\t\tunsigned long addr, unsigned long end,\n\t\t\t\tunsigned long floor, unsigned long ceiling)\n{\n\tpmd_t *pmd;\n\tunsigned long next;\n\tunsigned long start;","\tstart = addr;\n\tpmd = pmd_offset(pud, addr);\n\tdo {\n\t\tnext = pmd_addr_end(addr, end);\n\t\tif (pmd_none_or_clear_bad(pmd))\n\t\t\tcontinue;\n\t\tfree_pte_range(tlb, pmd, addr);\n\t} while (pmd++, addr = next, addr != end);","\tstart &= PUD_MASK;\n\tif (start < floor)\n\t\treturn;\n\tif (ceiling) {\n\t\tceiling &= PUD_MASK;\n\t\tif (!ceiling)\n\t\t\treturn;\n\t}\n\tif (end - 1 > ceiling - 1)\n\t\treturn;","\tpmd = pmd_offset(pud, start);\n\tpud_clear(pud);\n\tpmd_free_tlb(tlb, pmd, start);\n}","static inline void free_pud_range(struct mmu_gather *tlb, pgd_t *pgd,\n\t\t\t\tunsigned long addr, unsigned long end,\n\t\t\t\tunsigned long floor, unsigned long ceiling)\n{\n\tpud_t *pud;\n\tunsigned long next;\n\tunsigned long start;","\tstart = addr;\n\tpud = pud_offset(pgd, addr);\n\tdo {\n\t\tnext = pud_addr_end(addr, end);\n\t\tif (pud_none_or_clear_bad(pud))\n\t\t\tcontinue;\n\t\tfree_pmd_range(tlb, pud, addr, next, floor, ceiling);\n\t} while (pud++, addr = next, addr != end);","\tstart &= PGDIR_MASK;\n\tif (start < floor)\n\t\treturn;\n\tif (ceiling) {\n\t\tceiling &= PGDIR_MASK;\n\t\tif (!ceiling)\n\t\t\treturn;\n\t}\n\tif (end - 1 > ceiling - 1)\n\t\treturn;","\tpud = pud_offset(pgd, start);\n\tpgd_clear(pgd);\n\tpud_free_tlb(tlb, pud, start);\n}","/*\n * This function frees user-level page tables of a process.\n *\n * Must be called with pagetable lock held.\n */\nvoid free_pgd_range(struct mmu_gather *tlb,\n\t\t\tunsigned long addr, unsigned long end,\n\t\t\tunsigned long floor, unsigned long ceiling)\n{\n\tpgd_t *pgd;\n\tunsigned long next;","\t/*\n\t * The next few lines have given us lots of grief...\n\t *\n\t * Why are we testing PMD* at this top level? Because often\n\t * there will be no work to do at all, and we'd prefer not to\n\t * go all the way down to the bottom just to discover that.\n\t *\n\t * Why all these \"- 1\"s? Because 0 represents both the bottom\n\t * of the address space and the top of it (using -1 for the\n\t * top wouldn't help much: the masks would do the wrong thing).\n\t * The rule is that addr 0 and floor 0 refer to the bottom of\n\t * the address space, but end 0 and ceiling 0 refer to the top\n\t * Comparisons need to use \"end - 1\" and \"ceiling - 1\" (though\n\t * that end 0 case should be mythical).\n\t *\n\t * Wherever addr is brought up or ceiling brought down, we must\n\t * be careful to reject \"the opposite 0\" before it confuses the\n\t * subsequent tests. But what about where end is brought down\n\t * by PMD_SIZE below? no, end can't go down to 0 there.\n\t *\n\t * Whereas we round start (addr) and ceiling down, by different\n\t * masks at different levels, in order to test whether a table\n\t * now has no other vmas using it, so can be freed, we don't\n\t * bother to round floor or end up - the tests don't need that.\n\t */","\taddr &= PMD_MASK;\n\tif (addr < floor) {\n\t\taddr += PMD_SIZE;\n\t\tif (!addr)\n\t\t\treturn;\n\t}\n\tif (ceiling) {\n\t\tceiling &= PMD_MASK;\n\t\tif (!ceiling)\n\t\t\treturn;\n\t}\n\tif (end - 1 > ceiling - 1)\n\t\tend -= PMD_SIZE;\n\tif (addr > end - 1)\n\t\treturn;","\tpgd = pgd_offset(tlb->mm, addr);\n\tdo {\n\t\tnext = pgd_addr_end(addr, end);\n\t\tif (pgd_none_or_clear_bad(pgd))\n\t\t\tcontinue;\n\t\tfree_pud_range(tlb, pgd, addr, next, floor, ceiling);\n\t} while (pgd++, addr = next, addr != end);\n}","void free_pgtables(struct mmu_gather *tlb, struct vm_area_struct *vma,\n\t\tunsigned long floor, unsigned long ceiling)\n{\n\twhile (vma) {\n\t\tstruct vm_area_struct *next = vma->vm_next;\n\t\tunsigned long addr = vma->vm_start;","\t\t/*\n\t\t * Hide vma from rmap and truncate_pagecache before freeing\n\t\t * pgtables\n\t\t */\n\t\tunlink_anon_vmas(vma);\n\t\tunlink_file_vma(vma);","\t\tif (is_vm_hugetlb_page(vma)) {\n\t\t\thugetlb_free_pgd_range(tlb, addr, vma->vm_end,\n\t\t\t\tfloor, next? next->vm_start: ceiling);\n\t\t} else {\n\t\t\t/*\n\t\t\t * Optimization: gather nearby vmas into one call down\n\t\t\t */\n\t\t\twhile (next && next->vm_start <= vma->vm_end + PMD_SIZE\n\t\t\t && !is_vm_hugetlb_page(next)) {\n\t\t\t\tvma = next;\n\t\t\t\tnext = vma->vm_next;\n\t\t\t\tunlink_anon_vmas(vma);\n\t\t\t\tunlink_file_vma(vma);\n\t\t\t}\n\t\t\tfree_pgd_range(tlb, addr, vma->vm_end,\n\t\t\t\tfloor, next? next->vm_start: ceiling);\n\t\t}\n\t\tvma = next;\n\t}\n}","int __pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma,\n\t\tpmd_t *pmd, unsigned long address)\n{\n\tpgtable_t new = pte_alloc_one(mm, address);\n\tint wait_split_huge_page;\n\tif (!new)\n\t\treturn -ENOMEM;","\t/*\n\t * Ensure all pte setup (eg. pte page lock and page clearing) are\n\t * visible before the pte is made visible to other CPUs by being\n\t * put into page tables.\n\t *\n\t * The other side of the story is the pointer chasing in the page\n\t * table walking code (when walking the page table without locking;\n\t * ie. most of the time). Fortunately, these data accesses consist\n\t * of a chain of data-dependent loads, meaning most CPUs (alpha\n\t * being the notable exception) will already guarantee loads are\n\t * seen in-order. See the alpha page table accessors for the\n\t * smp_read_barrier_depends() barriers in page table walking code.\n\t */\n\tsmp_wmb(); /* Could be smp_wmb__xxx(before|after)_spin_lock */","\tspin_lock(&mm->page_table_lock);\n\twait_split_huge_page = 0;\n\tif (likely(pmd_none(*pmd))) {\t/* Has another populated it ? */\n\t\tmm->nr_ptes++;\n\t\tpmd_populate(mm, pmd, new);\n\t\tnew = NULL;\n\t} else if (unlikely(pmd_trans_splitting(*pmd)))\n\t\twait_split_huge_page = 1;\n\tspin_unlock(&mm->page_table_lock);\n\tif (new)\n\t\tpte_free(mm, new);\n\tif (wait_split_huge_page)\n\t\twait_split_huge_page(vma->anon_vma, pmd);\n\treturn 0;\n}","int __pte_alloc_kernel(pmd_t *pmd, unsigned long address)\n{\n\tpte_t *new = pte_alloc_one_kernel(&init_mm, address);\n\tif (!new)\n\t\treturn -ENOMEM;","\tsmp_wmb(); /* See comment in __pte_alloc */","\tspin_lock(&init_mm.page_table_lock);\n\tif (likely(pmd_none(*pmd))) {\t/* Has another populated it ? */\n\t\tpmd_populate_kernel(&init_mm, pmd, new);\n\t\tnew = NULL;\n\t} else\n\t\tVM_BUG_ON(pmd_trans_splitting(*pmd));\n\tspin_unlock(&init_mm.page_table_lock);\n\tif (new)\n\t\tpte_free_kernel(&init_mm, new);\n\treturn 0;\n}","static inline void init_rss_vec(int *rss)\n{\n\tmemset(rss, 0, sizeof(int) * NR_MM_COUNTERS);\n}","static inline void add_mm_rss_vec(struct mm_struct *mm, int *rss)\n{\n\tint i;","\tif (current->mm == mm)\n\t\tsync_mm_rss(mm);\n\tfor (i = 0; i < NR_MM_COUNTERS; i++)\n\t\tif (rss[i])\n\t\t\tadd_mm_counter(mm, i, rss[i]);\n}","/*\n * This function is called to print an error when a bad pte\n * is found. For example, we might have a PFN-mapped pte in\n * a region that doesn't allow it.\n *\n * The calling function must still handle the error.\n */\nstatic void print_bad_pte(struct vm_area_struct *vma, unsigned long addr,\n\t\t\t pte_t pte, struct page *page)\n{\n\tpgd_t *pgd = pgd_offset(vma->vm_mm, addr);\n\tpud_t *pud = pud_offset(pgd, addr);\n\tpmd_t *pmd = pmd_offset(pud, addr);\n\tstruct address_space *mapping;\n\tpgoff_t index;\n\tstatic unsigned long resume;\n\tstatic unsigned long nr_shown;\n\tstatic unsigned long nr_unshown;","\t/*\n\t * Allow a burst of 60 reports, then keep quiet for that minute;\n\t * or allow a steady drip of one report per second.\n\t */\n\tif (nr_shown == 60) {\n\t\tif (time_before(jiffies, resume)) {\n\t\t\tnr_unshown++;\n\t\t\treturn;\n\t\t}\n\t\tif (nr_unshown) {\n\t\t\tprintk(KERN_ALERT\n\t\t\t\t\"BUG: Bad page map: %lu messages suppressed\\n\",\n\t\t\t\tnr_unshown);\n\t\t\tnr_unshown = 0;\n\t\t}\n\t\tnr_shown = 0;\n\t}\n\tif (nr_shown++ == 0)\n\t\tresume = jiffies + 60 * HZ;","\tmapping = vma->vm_file ? vma->vm_file->f_mapping : NULL;\n\tindex = linear_page_index(vma, addr);","\tprintk(KERN_ALERT\n\t\t\"BUG: Bad page map in process %s pte:%08llx pmd:%08llx\\n\",\n\t\tcurrent->comm,\n\t\t(long long)pte_val(pte), (long long)pmd_val(*pmd));\n\tif (page)\n\t\tdump_page(page);\n\tprintk(KERN_ALERT\n\t\t\"addr:%p vm_flags:%08lx anon_vma:%p mapping:%p index:%lx\\n\",\n\t\t(void *)addr, vma->vm_flags, vma->anon_vma, mapping, index);\n\t/*\n\t * Choose text because data symbols depend on CONFIG_KALLSYMS_ALL=y\n\t */\n\tif (vma->vm_ops)\n\t\tprint_symbol(KERN_ALERT \"vma->vm_ops->fault: %s\\n\",\n\t\t\t\t(unsigned long)vma->vm_ops->fault);\n\tif (vma->vm_file && vma->vm_file->f_op)\n\t\tprint_symbol(KERN_ALERT \"vma->vm_file->f_op->mmap: %s\\n\",\n\t\t\t\t(unsigned long)vma->vm_file->f_op->mmap);\n\tdump_stack();\n\tadd_taint(TAINT_BAD_PAGE, LOCKDEP_NOW_UNRELIABLE);\n}","static inline bool is_cow_mapping(vm_flags_t flags)\n{\n\treturn (flags & (VM_SHARED | VM_MAYWRITE)) == VM_MAYWRITE;\n}","/*\n * vm_normal_page -- This function gets the \"struct page\" associated with a pte.\n *\n * \"Special\" mappings do not wish to be associated with a \"struct page\" (either\n * it doesn't exist, or it exists but they don't want to touch it). In this\n * case, NULL is returned here. \"Normal\" mappings do have a struct page.\n *\n * There are 2 broad cases. Firstly, an architecture may define a pte_special()\n * pte bit, in which case this function is trivial. Secondly, an architecture\n * may not have a spare pte bit, which requires a more complicated scheme,\n * described below.\n *\n * A raw VM_PFNMAP mapping (ie. one that is not COWed) is always considered a\n * special mapping (even if there are underlying and valid \"struct pages\").\n * COWed pages of a VM_PFNMAP are always normal.\n *\n * The way we recognize COWed pages within VM_PFNMAP mappings is through the\n * rules set up by \"remap_pfn_range()\": the vma will have the VM_PFNMAP bit\n * set, and the vm_pgoff will point to the first PFN mapped: thus every special\n * mapping will always honor the rule\n *\n *\tpfn_of_page == vma->vm_pgoff + ((addr - vma->vm_start) >> PAGE_SHIFT)\n *\n * And for normal mappings this is false.\n *\n * This restricts such mappings to be a linear translation from virtual address\n * to pfn. To get around this restriction, we allow arbitrary mappings so long\n * as the vma is not a COW mapping; in that case, we know that all ptes are\n * special (because none can have been COWed).\n *\n *\n * In order to support COW of arbitrary special mappings, we have VM_MIXEDMAP.\n *\n * VM_MIXEDMAP mappings can likewise contain memory with or without \"struct\n * page\" backing, however the difference is that _all_ pages with a struct\n * page (that is, those where pfn_valid is true) are refcounted and considered\n * normal pages by the VM. The disadvantage is that pages are refcounted\n * (which can be slower and simply not an option for some PFNMAP users). The\n * advantage is that we don't have to follow the strict linearity rule of\n * PFNMAP mappings in order to support COWable mappings.\n *\n */\n#ifdef __HAVE_ARCH_PTE_SPECIAL\n# define HAVE_PTE_SPECIAL 1\n#else\n# define HAVE_PTE_SPECIAL 0\n#endif\nstruct page *vm_normal_page(struct vm_area_struct *vma, unsigned long addr,\n\t\t\t\tpte_t pte)\n{\n\tunsigned long pfn = pte_pfn(pte);","\tif (HAVE_PTE_SPECIAL) {\n\t\tif (likely(!pte_special(pte)))\n\t\t\tgoto check_pfn;\n\t\tif (vma->vm_flags & (VM_PFNMAP | VM_MIXEDMAP))\n\t\t\treturn NULL;\n\t\tif (!is_zero_pfn(pfn))\n\t\t\tprint_bad_pte(vma, addr, pte, NULL);\n\t\treturn NULL;\n\t}","\t/* !HAVE_PTE_SPECIAL case follows: */","\tif (unlikely(vma->vm_flags & (VM_PFNMAP|VM_MIXEDMAP))) {\n\t\tif (vma->vm_flags & VM_MIXEDMAP) {\n\t\t\tif (!pfn_valid(pfn))\n\t\t\t\treturn NULL;\n\t\t\tgoto out;\n\t\t} else {\n\t\t\tunsigned long off;\n\t\t\toff = (addr - vma->vm_start) >> PAGE_SHIFT;\n\t\t\tif (pfn == vma->vm_pgoff + off)\n\t\t\t\treturn NULL;\n\t\t\tif (!is_cow_mapping(vma->vm_flags))\n\t\t\t\treturn NULL;\n\t\t}\n\t}","\tif (is_zero_pfn(pfn))\n\t\treturn NULL;\ncheck_pfn:\n\tif (unlikely(pfn > highest_memmap_pfn)) {\n\t\tprint_bad_pte(vma, addr, pte, NULL);\n\t\treturn NULL;\n\t}","\t/*\n\t * NOTE! We still have PageReserved() pages in the page tables.\n\t * eg. VDSO mappings can cause them to exist.\n\t */\nout:\n\treturn pfn_to_page(pfn);\n}","/*\n * copy one vm_area from one task to the other. Assumes the page tables\n * already present in the new task to be cleared in the whole range\n * covered by this vma.\n */","static inline unsigned long\ncopy_one_pte(struct mm_struct *dst_mm, struct mm_struct *src_mm,\n\t\tpte_t *dst_pte, pte_t *src_pte, struct vm_area_struct *vma,\n\t\tunsigned long addr, int *rss)\n{\n\tunsigned long vm_flags = vma->vm_flags;\n\tpte_t pte = *src_pte;\n\tstruct page *page;","\t/* pte contains position in swap or file, so copy. */\n\tif (unlikely(!pte_present(pte))) {\n\t\tif (!pte_file(pte)) {\n\t\t\tswp_entry_t entry = pte_to_swp_entry(pte);","\t\t\tif (swap_duplicate(entry) < 0)\n\t\t\t\treturn entry.val;","\t\t\t/* make sure dst_mm is on swapoff's mmlist. */\n\t\t\tif (unlikely(list_empty(&dst_mm->mmlist))) {\n\t\t\t\tspin_lock(&mmlist_lock);\n\t\t\t\tif (list_empty(&dst_mm->mmlist))\n\t\t\t\t\tlist_add(&dst_mm->mmlist,\n\t\t\t\t\t\t &src_mm->mmlist);\n\t\t\t\tspin_unlock(&mmlist_lock);\n\t\t\t}\n\t\t\tif (likely(!non_swap_entry(entry)))\n\t\t\t\trss[MM_SWAPENTS]++;\n\t\t\telse if (is_migration_entry(entry)) {\n\t\t\t\tpage = migration_entry_to_page(entry);","\t\t\t\tif (PageAnon(page))\n\t\t\t\t\trss[MM_ANONPAGES]++;\n\t\t\t\telse\n\t\t\t\t\trss[MM_FILEPAGES]++;","\t\t\t\tif (is_write_migration_entry(entry) &&\n\t\t\t\t is_cow_mapping(vm_flags)) {\n\t\t\t\t\t/*\n\t\t\t\t\t * COW mappings require pages in both\n\t\t\t\t\t * parent and child to be set to read.\n\t\t\t\t\t */\n\t\t\t\t\tmake_migration_entry_read(&entry);\n\t\t\t\t\tpte = swp_entry_to_pte(entry);\n\t\t\t\t\tset_pte_at(src_mm, addr, src_pte, pte);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\tgoto out_set_pte;\n\t}","\t/*\n\t * If it's a COW mapping, write protect it both\n\t * in the parent and the child\n\t */\n\tif (is_cow_mapping(vm_flags)) {\n\t\tptep_set_wrprotect(src_mm, addr, src_pte);\n\t\tpte = pte_wrprotect(pte);\n\t}","\t/*\n\t * If it's a shared mapping, mark it clean in\n\t * the child\n\t */\n\tif (vm_flags & VM_SHARED)\n\t\tpte = pte_mkclean(pte);\n\tpte = pte_mkold(pte);","\tpage = vm_normal_page(vma, addr, pte);\n\tif (page) {\n\t\tget_page(page);\n\t\tpage_dup_rmap(page);\n\t\tif (PageAnon(page))\n\t\t\trss[MM_ANONPAGES]++;\n\t\telse\n\t\t\trss[MM_FILEPAGES]++;\n\t}","out_set_pte:\n\tset_pte_at(dst_mm, addr, dst_pte, pte);\n\treturn 0;\n}","int copy_pte_range(struct mm_struct *dst_mm, struct mm_struct *src_mm,\n\t\t pmd_t *dst_pmd, pmd_t *src_pmd, struct vm_area_struct *vma,\n\t\t unsigned long addr, unsigned long end)\n{\n\tpte_t *orig_src_pte, *orig_dst_pte;\n\tpte_t *src_pte, *dst_pte;\n\tspinlock_t *src_ptl, *dst_ptl;\n\tint progress = 0;\n\tint rss[NR_MM_COUNTERS];\n\tswp_entry_t entry = (swp_entry_t){0};","again:\n\tinit_rss_vec(rss);","\tdst_pte = pte_alloc_map_lock(dst_mm, dst_pmd, addr, &dst_ptl);\n\tif (!dst_pte)\n\t\treturn -ENOMEM;\n\tsrc_pte = pte_offset_map(src_pmd, addr);\n\tsrc_ptl = pte_lockptr(src_mm, src_pmd);\n\tspin_lock_nested(src_ptl, SINGLE_DEPTH_NESTING);\n\torig_src_pte = src_pte;\n\torig_dst_pte = dst_pte;\n\tarch_enter_lazy_mmu_mode();","\tdo {\n\t\t/*\n\t\t * We are holding two locks at this point - either of them\n\t\t * could generate latencies in another task on another CPU.\n\t\t */\n\t\tif (progress >= 32) {\n\t\t\tprogress = 0;\n\t\t\tif (need_resched() ||\n\t\t\t spin_needbreak(src_ptl) || spin_needbreak(dst_ptl))\n\t\t\t\tbreak;\n\t\t}\n\t\tif (pte_none(*src_pte)) {\n\t\t\tprogress++;\n\t\t\tcontinue;\n\t\t}\n\t\tentry.val = copy_one_pte(dst_mm, src_mm, dst_pte, src_pte,\n\t\t\t\t\t\t\tvma, addr, rss);\n\t\tif (entry.val)\n\t\t\tbreak;\n\t\tprogress += 8;\n\t} while (dst_pte++, src_pte++, addr += PAGE_SIZE, addr != end);","\tarch_leave_lazy_mmu_mode();\n\tspin_unlock(src_ptl);\n\tpte_unmap(orig_src_pte);\n\tadd_mm_rss_vec(dst_mm, rss);\n\tpte_unmap_unlock(orig_dst_pte, dst_ptl);\n\tcond_resched();","\tif (entry.val) {\n\t\tif (add_swap_count_continuation(entry, GFP_KERNEL) < 0)\n\t\t\treturn -ENOMEM;\n\t\tprogress = 0;\n\t}\n\tif (addr != end)\n\t\tgoto again;\n\treturn 0;\n}","static inline int copy_pmd_range(struct mm_struct *dst_mm, struct mm_struct *src_mm,\n\t\tpud_t *dst_pud, pud_t *src_pud, struct vm_area_struct *vma,\n\t\tunsigned long addr, unsigned long end)\n{\n\tpmd_t *src_pmd, *dst_pmd;\n\tunsigned long next;","\tdst_pmd = pmd_alloc(dst_mm, dst_pud, addr);\n\tif (!dst_pmd)\n\t\treturn -ENOMEM;\n\tsrc_pmd = pmd_offset(src_pud, addr);\n\tdo {\n\t\tnext = pmd_addr_end(addr, end);\n\t\tif (pmd_trans_huge(*src_pmd)) {\n\t\t\tint err;\n\t\t\tVM_BUG_ON(next-addr != HPAGE_PMD_SIZE);\n\t\t\terr = copy_huge_pmd(dst_mm, src_mm,\n\t\t\t\t\t dst_pmd, src_pmd, addr, vma);\n\t\t\tif (err == -ENOMEM)\n\t\t\t\treturn -ENOMEM;\n\t\t\tif (!err)\n\t\t\t\tcontinue;\n\t\t\t/* fall through */\n\t\t}\n\t\tif (pmd_none_or_clear_bad(src_pmd))\n\t\t\tcontinue;\n\t\tif (copy_pte_range(dst_mm, src_mm, dst_pmd, src_pmd,\n\t\t\t\t\t\tvma, addr, next))\n\t\t\treturn -ENOMEM;\n\t} while (dst_pmd++, src_pmd++, addr = next, addr != end);\n\treturn 0;\n}","static inline int copy_pud_range(struct mm_struct *dst_mm, struct mm_struct *src_mm,\n\t\tpgd_t *dst_pgd, pgd_t *src_pgd, struct vm_area_struct *vma,\n\t\tunsigned long addr, unsigned long end)\n{\n\tpud_t *src_pud, *dst_pud;\n\tunsigned long next;","\tdst_pud = pud_alloc(dst_mm, dst_pgd, addr);\n\tif (!dst_pud)\n\t\treturn -ENOMEM;\n\tsrc_pud = pud_offset(src_pgd, addr);\n\tdo {\n\t\tnext = pud_addr_end(addr, end);\n\t\tif (pud_none_or_clear_bad(src_pud))\n\t\t\tcontinue;\n\t\tif (copy_pmd_range(dst_mm, src_mm, dst_pud, src_pud,\n\t\t\t\t\t\tvma, addr, next))\n\t\t\treturn -ENOMEM;\n\t} while (dst_pud++, src_pud++, addr = next, addr != end);\n\treturn 0;\n}","int copy_page_range(struct mm_struct *dst_mm, struct mm_struct *src_mm,\n\t\tstruct vm_area_struct *vma)\n{\n\tpgd_t *src_pgd, *dst_pgd;\n\tunsigned long next;\n\tunsigned long addr = vma->vm_start;\n\tunsigned long end = vma->vm_end;\n\tunsigned long mmun_start;\t/* For mmu_notifiers */\n\tunsigned long mmun_end;\t\t/* For mmu_notifiers */\n\tbool is_cow;\n\tint ret;","\t/*\n\t * Don't copy ptes where a page fault will fill them correctly.\n\t * Fork becomes much lighter when there are big shared or private\n\t * readonly mappings. The tradeoff is that copy_page_range is more\n\t * efficient than faulting.\n\t */\n\tif (!(vma->vm_flags & (VM_HUGETLB | VM_NONLINEAR |\n\t\t\t VM_PFNMAP | VM_MIXEDMAP))) {\n\t\tif (!vma->anon_vma)\n\t\t\treturn 0;\n\t}","\tif (is_vm_hugetlb_page(vma))\n\t\treturn copy_hugetlb_page_range(dst_mm, src_mm, vma);","\tif (unlikely(vma->vm_flags & VM_PFNMAP)) {\n\t\t/*\n\t\t * We do not free on error cases below as remove_vma\n\t\t * gets called on error from higher level routine\n\t\t */\n\t\tret = track_pfn_copy(vma);\n\t\tif (ret)\n\t\t\treturn ret;\n\t}","\t/*\n\t * We need to invalidate the secondary MMU mappings only when\n\t * there could be a permission downgrade on the ptes of the\n\t * parent mm. And a permission downgrade will only happen if\n\t * is_cow_mapping() returns true.\n\t */\n\tis_cow = is_cow_mapping(vma->vm_flags);\n\tmmun_start = addr;\n\tmmun_end = end;\n\tif (is_cow)\n\t\tmmu_notifier_invalidate_range_start(src_mm, mmun_start,\n\t\t\t\t\t\t mmun_end);","\tret = 0;\n\tdst_pgd = pgd_offset(dst_mm, addr);\n\tsrc_pgd = pgd_offset(src_mm, addr);\n\tdo {\n\t\tnext = pgd_addr_end(addr, end);\n\t\tif (pgd_none_or_clear_bad(src_pgd))\n\t\t\tcontinue;\n\t\tif (unlikely(copy_pud_range(dst_mm, src_mm, dst_pgd, src_pgd,\n\t\t\t\t\t vma, addr, next))) {\n\t\t\tret = -ENOMEM;\n\t\t\tbreak;\n\t\t}\n\t} while (dst_pgd++, src_pgd++, addr = next, addr != end);","\tif (is_cow)\n\t\tmmu_notifier_invalidate_range_end(src_mm, mmun_start, mmun_end);\n\treturn ret;\n}","static unsigned long zap_pte_range(struct mmu_gather *tlb,\n\t\t\t\tstruct vm_area_struct *vma, pmd_t *pmd,\n\t\t\t\tunsigned long addr, unsigned long end,\n\t\t\t\tstruct zap_details *details)\n{\n\tstruct mm_struct *mm = tlb->mm;\n\tint force_flush = 0;\n\tint rss[NR_MM_COUNTERS];\n\tspinlock_t *ptl;\n\tpte_t *start_pte;\n\tpte_t *pte;","again:\n\tinit_rss_vec(rss);\n\tstart_pte = pte_offset_map_lock(mm, pmd, addr, &ptl);\n\tpte = start_pte;\n\tarch_enter_lazy_mmu_mode();\n\tdo {\n\t\tpte_t ptent = *pte;\n\t\tif (pte_none(ptent)) {\n\t\t\tcontinue;\n\t\t}","\t\tif (pte_present(ptent)) {\n\t\t\tstruct page *page;","\t\t\tpage = vm_normal_page(vma, addr, ptent);\n\t\t\tif (unlikely(details) && page) {\n\t\t\t\t/*\n\t\t\t\t * unmap_shared_mapping_pages() wants to\n\t\t\t\t * invalidate cache without truncating:\n\t\t\t\t * unmap shared but keep private pages.\n\t\t\t\t */\n\t\t\t\tif (details->check_mapping &&\n\t\t\t\t details->check_mapping != page->mapping)\n\t\t\t\t\tcontinue;\n\t\t\t\t/*\n\t\t\t\t * Each page->index must be checked when\n\t\t\t\t * invalidating or truncating nonlinear.\n\t\t\t\t */\n\t\t\t\tif (details->nonlinear_vma &&\n\t\t\t\t (page->index < details->first_index ||\n\t\t\t\t page->index > details->last_index))\n\t\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tptent = ptep_get_and_clear_full(mm, addr, pte,\n\t\t\t\t\t\t\ttlb->fullmm);\n\t\t\ttlb_remove_tlb_entry(tlb, pte, addr);\n\t\t\tif (unlikely(!page))\n\t\t\t\tcontinue;\n\t\t\tif (unlikely(details) && details->nonlinear_vma\n\t\t\t && linear_page_index(details->nonlinear_vma,\n\t\t\t\t\t\taddr) != page->index)\n\t\t\t\tset_pte_at(mm, addr, pte,\n\t\t\t\t\t pgoff_to_pte(page->index));\n\t\t\tif (PageAnon(page))\n\t\t\t\trss[MM_ANONPAGES]--;\n\t\t\telse {\n\t\t\t\tif (pte_dirty(ptent))\n\t\t\t\t\tset_page_dirty(page);\n\t\t\t\tif (pte_young(ptent) &&\n\t\t\t\t likely(!VM_SequentialReadHint(vma)))\n\t\t\t\t\tmark_page_accessed(page);\n\t\t\t\trss[MM_FILEPAGES]--;\n\t\t\t}\n\t\t\tpage_remove_rmap(page);\n\t\t\tif (unlikely(page_mapcount(page) < 0))\n\t\t\t\tprint_bad_pte(vma, addr, ptent, page);\n\t\t\tforce_flush = !__tlb_remove_page(tlb, page);\n\t\t\tif (force_flush)\n\t\t\t\tbreak;\n\t\t\tcontinue;\n\t\t}\n\t\t/*\n\t\t * If details->check_mapping, we leave swap entries;\n\t\t * if details->nonlinear_vma, we leave file entries.\n\t\t */\n\t\tif (unlikely(details))\n\t\t\tcontinue;\n\t\tif (pte_file(ptent)) {\n\t\t\tif (unlikely(!(vma->vm_flags & VM_NONLINEAR)))\n\t\t\t\tprint_bad_pte(vma, addr, ptent, NULL);\n\t\t} else {\n\t\t\tswp_entry_t entry = pte_to_swp_entry(ptent);","\t\t\tif (!non_swap_entry(entry))\n\t\t\t\trss[MM_SWAPENTS]--;\n\t\t\telse if (is_migration_entry(entry)) {\n\t\t\t\tstruct page *page;","\t\t\t\tpage = migration_entry_to_page(entry);","\t\t\t\tif (PageAnon(page))\n\t\t\t\t\trss[MM_ANONPAGES]--;\n\t\t\t\telse\n\t\t\t\t\trss[MM_FILEPAGES]--;\n\t\t\t}\n\t\t\tif (unlikely(!free_swap_and_cache(entry)))\n\t\t\t\tprint_bad_pte(vma, addr, ptent, NULL);\n\t\t}\n\t\tpte_clear_not_present_full(mm, addr, pte, tlb->fullmm);\n\t} while (pte++, addr += PAGE_SIZE, addr != end);","\tadd_mm_rss_vec(mm, rss);\n\tarch_leave_lazy_mmu_mode();\n\tpte_unmap_unlock(start_pte, ptl);","\t/*\n\t * mmu_gather ran out of room to batch pages, we break out of\n\t * the PTE lock to avoid doing the potential expensive TLB invalidate\n\t * and page-free while holding it.\n\t */\n\tif (force_flush) {\n\t\tforce_flush = 0;","#ifdef HAVE_GENERIC_MMU_GATHER\n\t\ttlb->start = addr;\n\t\ttlb->end = end;\n#endif\n\t\ttlb_flush_mmu(tlb);\n\t\tif (addr != end)\n\t\t\tgoto again;\n\t}","\treturn addr;\n}","static inline unsigned long zap_pmd_range(struct mmu_gather *tlb,\n\t\t\t\tstruct vm_area_struct *vma, pud_t *pud,\n\t\t\t\tunsigned long addr, unsigned long end,\n\t\t\t\tstruct zap_details *details)\n{\n\tpmd_t *pmd;\n\tunsigned long next;","\tpmd = pmd_offset(pud, addr);\n\tdo {\n\t\tnext = pmd_addr_end(addr, end);\n\t\tif (pmd_trans_huge(*pmd)) {\n\t\t\tif (next - addr != HPAGE_PMD_SIZE) {\n#ifdef CONFIG_DEBUG_VM\n\t\t\t\tif (!rwsem_is_locked(&tlb->mm->mmap_sem)) {\n\t\t\t\t\tpr_err(\"%s: mmap_sem is unlocked! addr=0x%lx end=0x%lx vma->vm_start=0x%lx vma->vm_end=0x%lx\\n\",\n\t\t\t\t\t\t__func__, addr, end,\n\t\t\t\t\t\tvma->vm_start,\n\t\t\t\t\t\tvma->vm_end);\n\t\t\t\t\tBUG();\n\t\t\t\t}\n#endif\n\t\t\t\tsplit_huge_page_pmd(vma, addr, pmd);\n\t\t\t} else if (zap_huge_pmd(tlb, vma, pmd, addr))\n\t\t\t\tgoto next;\n\t\t\t/* fall through */\n\t\t}\n\t\t/*\n\t\t * Here there can be other concurrent MADV_DONTNEED or\n\t\t * trans huge page faults running, and if the pmd is\n\t\t * none or trans huge it can change under us. This is\n\t\t * because MADV_DONTNEED holds the mmap_sem in read\n\t\t * mode.\n\t\t */\n\t\tif (pmd_none_or_trans_huge_or_clear_bad(pmd))\n\t\t\tgoto next;\n\t\tnext = zap_pte_range(tlb, vma, pmd, addr, next, details);\nnext:\n\t\tcond_resched();\n\t} while (pmd++, addr = next, addr != end);","\treturn addr;\n}","static inline unsigned long zap_pud_range(struct mmu_gather *tlb,\n\t\t\t\tstruct vm_area_struct *vma, pgd_t *pgd,\n\t\t\t\tunsigned long addr, unsigned long end,\n\t\t\t\tstruct zap_details *details)\n{\n\tpud_t *pud;\n\tunsigned long next;","\tpud = pud_offset(pgd, addr);\n\tdo {\n\t\tnext = pud_addr_end(addr, end);\n\t\tif (pud_none_or_clear_bad(pud))\n\t\t\tcontinue;\n\t\tnext = zap_pmd_range(tlb, vma, pud, addr, next, details);\n\t} while (pud++, addr = next, addr != end);","\treturn addr;\n}","static void unmap_page_range(struct mmu_gather *tlb,\n\t\t\t struct vm_area_struct *vma,\n\t\t\t unsigned long addr, unsigned long end,\n\t\t\t struct zap_details *details)\n{\n\tpgd_t *pgd;\n\tunsigned long next;","\tif (details && !details->check_mapping && !details->nonlinear_vma)\n\t\tdetails = NULL;","\tBUG_ON(addr >= end);\n\tmem_cgroup_uncharge_start();\n\ttlb_start_vma(tlb, vma);\n\tpgd = pgd_offset(vma->vm_mm, addr);\n\tdo {\n\t\tnext = pgd_addr_end(addr, end);\n\t\tif (pgd_none_or_clear_bad(pgd))\n\t\t\tcontinue;\n\t\tnext = zap_pud_range(tlb, vma, pgd, addr, next, details);\n\t} while (pgd++, addr = next, addr != end);\n\ttlb_end_vma(tlb, vma);\n\tmem_cgroup_uncharge_end();\n}","\nstatic void unmap_single_vma(struct mmu_gather *tlb,\n\t\tstruct vm_area_struct *vma, unsigned long start_addr,\n\t\tunsigned long end_addr,\n\t\tstruct zap_details *details)\n{\n\tunsigned long start = max(vma->vm_start, start_addr);\n\tunsigned long end;","\tif (start >= vma->vm_end)\n\t\treturn;\n\tend = min(vma->vm_end, end_addr);\n\tif (end <= vma->vm_start)\n\t\treturn;","\tif (vma->vm_file)\n\t\tuprobe_munmap(vma, start, end);","\tif (unlikely(vma->vm_flags & VM_PFNMAP))\n\t\tuntrack_pfn(vma, 0, 0);","\tif (start != end) {\n\t\tif (unlikely(is_vm_hugetlb_page(vma))) {\n\t\t\t/*\n\t\t\t * It is undesirable to test vma->vm_file as it\n\t\t\t * should be non-null for valid hugetlb area.\n\t\t\t * However, vm_file will be NULL in the error\n\t\t\t * cleanup path of do_mmap_pgoff. When\n\t\t\t * hugetlbfs ->mmap method fails,\n\t\t\t * do_mmap_pgoff() nullifies vma->vm_file\n\t\t\t * before calling this function to clean up.\n\t\t\t * Since no pte has actually been setup, it is\n\t\t\t * safe to do nothing in this case.\n\t\t\t */\n\t\t\tif (vma->vm_file) {\n\t\t\t\tmutex_lock(&vma->vm_file->f_mapping->i_mmap_mutex);\n\t\t\t\t__unmap_hugepage_range_final(tlb, vma, start, end, NULL);\n\t\t\t\tmutex_unlock(&vma->vm_file->f_mapping->i_mmap_mutex);\n\t\t\t}\n\t\t} else\n\t\t\tunmap_page_range(tlb, vma, start, end, details);\n\t}\n}","/**\n * unmap_vmas - unmap a range of memory covered by a list of vma's\n * @tlb: address of the caller's struct mmu_gather\n * @vma: the starting vma\n * @start_addr: virtual address at which to start unmapping\n * @end_addr: virtual address at which to end unmapping\n *\n * Unmap all pages in the vma list.\n *\n * Only addresses between `start' and `end' will be unmapped.\n *\n * The VMA list must be sorted in ascending virtual address order.\n *\n * unmap_vmas() assumes that the caller will flush the whole unmapped address\n * range after unmap_vmas() returns. So the only responsibility here is to\n * ensure that any thus-far unmapped pages are flushed before unmap_vmas()\n * drops the lock and schedules.\n */\nvoid unmap_vmas(struct mmu_gather *tlb,\n\t\tstruct vm_area_struct *vma, unsigned long start_addr,\n\t\tunsigned long end_addr)\n{\n\tstruct mm_struct *mm = vma->vm_mm;","\tmmu_notifier_invalidate_range_start(mm, start_addr, end_addr);\n\tfor ( ; vma && vma->vm_start < end_addr; vma = vma->vm_next)\n\t\tunmap_single_vma(tlb, vma, start_addr, end_addr, NULL);\n\tmmu_notifier_invalidate_range_end(mm, start_addr, end_addr);\n}","/**\n * zap_page_range - remove user pages in a given range\n * @vma: vm_area_struct holding the applicable pages\n * @start: starting address of pages to zap\n * @size: number of bytes to zap\n * @details: details of nonlinear truncation or shared cache invalidation\n *\n * Caller must protect the VMA list\n */\nvoid zap_page_range(struct vm_area_struct *vma, unsigned long start,\n\t\tunsigned long size, struct zap_details *details)\n{\n\tstruct mm_struct *mm = vma->vm_mm;\n\tstruct mmu_gather tlb;\n\tunsigned long end = start + size;","\tlru_add_drain();\n\ttlb_gather_mmu(&tlb, mm, 0);\n\tupdate_hiwater_rss(mm);\n\tmmu_notifier_invalidate_range_start(mm, start, end);\n\tfor ( ; vma && vma->vm_start < end; vma = vma->vm_next)\n\t\tunmap_single_vma(&tlb, vma, start, end, details);\n\tmmu_notifier_invalidate_range_end(mm, start, end);\n\ttlb_finish_mmu(&tlb, start, end);\n}","/**\n * zap_page_range_single - remove user pages in a given range\n * @vma: vm_area_struct holding the applicable pages\n * @address: starting address of pages to zap\n * @size: number of bytes to zap\n * @details: details of nonlinear truncation or shared cache invalidation\n *\n * The range must fit into one VMA.\n */\nstatic void zap_page_range_single(struct vm_area_struct *vma, unsigned long address,\n\t\tunsigned long size, struct zap_details *details)\n{\n\tstruct mm_struct *mm = vma->vm_mm;\n\tstruct mmu_gather tlb;\n\tunsigned long end = address + size;","\tlru_add_drain();\n\ttlb_gather_mmu(&tlb, mm, 0);\n\tupdate_hiwater_rss(mm);\n\tmmu_notifier_invalidate_range_start(mm, address, end);\n\tunmap_single_vma(&tlb, vma, address, end, details);\n\tmmu_notifier_invalidate_range_end(mm, address, end);\n\ttlb_finish_mmu(&tlb, address, end);\n}","/**\n * zap_vma_ptes - remove ptes mapping the vma\n * @vma: vm_area_struct holding ptes to be zapped\n * @address: starting address of pages to zap\n * @size: number of bytes to zap\n *\n * This function only unmaps ptes assigned to VM_PFNMAP vmas.\n *\n * The entire address range must be fully contained within the vma.\n *\n * Returns 0 if successful.\n */\nint zap_vma_ptes(struct vm_area_struct *vma, unsigned long address,\n\t\tunsigned long size)\n{\n\tif (address < vma->vm_start || address + size > vma->vm_end ||\n\t \t\t!(vma->vm_flags & VM_PFNMAP))\n\t\treturn -1;\n\tzap_page_range_single(vma, address, size, NULL);\n\treturn 0;\n}\nEXPORT_SYMBOL_GPL(zap_vma_ptes);","/**\n * follow_page_mask - look up a page descriptor from a user-virtual address\n * @vma: vm_area_struct mapping @address\n * @address: virtual address to look up\n * @flags: flags modifying lookup behaviour\n * @page_mask: on output, *page_mask is set according to the size of the page\n *\n * @flags can have FOLL_ flags set, defined in <linux/mm.h>\n *\n * Returns the mapped (struct page *), %NULL if no mapping exists, or\n * an error pointer if there is a mapping to something not represented\n * by a page descriptor (see also vm_normal_page()).\n */\nstruct page *follow_page_mask(struct vm_area_struct *vma,\n\t\t\t unsigned long address, unsigned int flags,\n\t\t\t unsigned int *page_mask)\n{\n\tpgd_t *pgd;\n\tpud_t *pud;\n\tpmd_t *pmd;\n\tpte_t *ptep, pte;\n\tspinlock_t *ptl;\n\tstruct page *page;\n\tstruct mm_struct *mm = vma->vm_mm;","\t*page_mask = 0;","\tpage = follow_huge_addr(mm, address, flags & FOLL_WRITE);\n\tif (!IS_ERR(page)) {\n\t\tBUG_ON(flags & FOLL_GET);\n\t\tgoto out;\n\t}","\tpage = NULL;\n\tpgd = pgd_offset(mm, address);\n\tif (pgd_none(*pgd) || unlikely(pgd_bad(*pgd)))\n\t\tgoto no_page_table;","\tpud = pud_offset(pgd, address);\n\tif (pud_none(*pud))\n\t\tgoto no_page_table;\n\tif (pud_huge(*pud) && vma->vm_flags & VM_HUGETLB) {\n\t\tBUG_ON(flags & FOLL_GET);\n\t\tpage = follow_huge_pud(mm, address, pud, flags & FOLL_WRITE);\n\t\tgoto out;\n\t}\n\tif (unlikely(pud_bad(*pud)))\n\t\tgoto no_page_table;","\tpmd = pmd_offset(pud, address);\n\tif (pmd_none(*pmd))\n\t\tgoto no_page_table;\n\tif (pmd_huge(*pmd) && vma->vm_flags & VM_HUGETLB) {\n\t\tBUG_ON(flags & FOLL_GET);\n\t\tpage = follow_huge_pmd(mm, address, pmd, flags & FOLL_WRITE);\n\t\tgoto out;\n\t}\n\tif ((flags & FOLL_NUMA) && pmd_numa(*pmd))\n\t\tgoto no_page_table;\n\tif (pmd_trans_huge(*pmd)) {\n\t\tif (flags & FOLL_SPLIT) {\n\t\t\tsplit_huge_page_pmd(vma, address, pmd);\n\t\t\tgoto split_fallthrough;\n\t\t}\n\t\tspin_lock(&mm->page_table_lock);\n\t\tif (likely(pmd_trans_huge(*pmd))) {\n\t\t\tif (unlikely(pmd_trans_splitting(*pmd))) {\n\t\t\t\tspin_unlock(&mm->page_table_lock);\n\t\t\t\twait_split_huge_page(vma->anon_vma, pmd);\n\t\t\t} else {\n\t\t\t\tpage = follow_trans_huge_pmd(vma, address,\n\t\t\t\t\t\t\t pmd, flags);\n\t\t\t\tspin_unlock(&mm->page_table_lock);\n\t\t\t\t*page_mask = HPAGE_PMD_NR - 1;\n\t\t\t\tgoto out;\n\t\t\t}\n\t\t} else\n\t\t\tspin_unlock(&mm->page_table_lock);\n\t\t/* fall through */\n\t}\nsplit_fallthrough:\n\tif (unlikely(pmd_bad(*pmd)))\n\t\tgoto no_page_table;","\tptep = pte_offset_map_lock(mm, pmd, address, &ptl);","\tpte = *ptep;\n\tif (!pte_present(pte)) {\n\t\tswp_entry_t entry;\n\t\t/*\n\t\t * KSM's break_ksm() relies upon recognizing a ksm page\n\t\t * even while it is being migrated, so for that case we\n\t\t * need migration_entry_wait().\n\t\t */\n\t\tif (likely(!(flags & FOLL_MIGRATION)))\n\t\t\tgoto no_page;\n\t\tif (pte_none(pte) || pte_file(pte))\n\t\t\tgoto no_page;\n\t\tentry = pte_to_swp_entry(pte);\n\t\tif (!is_migration_entry(entry))\n\t\t\tgoto no_page;\n\t\tpte_unmap_unlock(ptep, ptl);\n\t\tmigration_entry_wait(mm, pmd, address);\n\t\tgoto split_fallthrough;\n\t}\n\tif ((flags & FOLL_NUMA) && pte_numa(pte))\n\t\tgoto no_page;\n\tif ((flags & FOLL_WRITE) && !pte_write(pte))\n\t\tgoto unlock;","\tpage = vm_normal_page(vma, address, pte);\n\tif (unlikely(!page)) {\n\t\tif ((flags & FOLL_DUMP) ||\n\t\t !is_zero_pfn(pte_pfn(pte)))\n\t\t\tgoto bad_page;\n\t\tpage = pte_page(pte);\n\t}","\tif (flags & FOLL_GET)\n\t\tget_page_foll(page);\n\tif (flags & FOLL_TOUCH) {\n\t\tif ((flags & FOLL_WRITE) &&\n\t\t !pte_dirty(pte) && !PageDirty(page))\n\t\t\tset_page_dirty(page);\n\t\t/*\n\t\t * pte_mkyoung() would be more correct here, but atomic care\n\t\t * is needed to avoid losing the dirty bit: it is easier to use\n\t\t * mark_page_accessed().\n\t\t */\n\t\tmark_page_accessed(page);\n\t}\n\tif ((flags & FOLL_MLOCK) && (vma->vm_flags & VM_LOCKED)) {\n\t\t/*\n\t\t * The preliminary mapping check is mainly to avoid the\n\t\t * pointless overhead of lock_page on the ZERO_PAGE\n\t\t * which might bounce very badly if there is contention.\n\t\t *\n\t\t * If the page is already locked, we don't need to\n\t\t * handle it now - vmscan will handle it later if and\n\t\t * when it attempts to reclaim the page.\n\t\t */\n\t\tif (page->mapping && trylock_page(page)) {\n\t\t\tlru_add_drain(); /* push cached pages to LRU */\n\t\t\t/*\n\t\t\t * Because we lock page here, and migration is\n\t\t\t * blocked by the pte's page reference, and we\n\t\t\t * know the page is still mapped, we don't even\n\t\t\t * need to check for file-cache page truncation.\n\t\t\t */\n\t\t\tmlock_vma_page(page);\n\t\t\tunlock_page(page);\n\t\t}\n\t}\nunlock:\n\tpte_unmap_unlock(ptep, ptl);\nout:\n\treturn page;","bad_page:\n\tpte_unmap_unlock(ptep, ptl);\n\treturn ERR_PTR(-EFAULT);","no_page:\n\tpte_unmap_unlock(ptep, ptl);\n\tif (!pte_none(pte))\n\t\treturn page;","no_page_table:\n\t/*\n\t * When core dumping an enormous anonymous area that nobody\n\t * has touched so far, we don't want to allocate unnecessary pages or\n\t * page tables. Return error instead of NULL to skip handle_mm_fault,\n\t * then get_dump_page() will return NULL to leave a hole in the dump.\n\t * But we can only make this optimization where a hole would surely\n\t * be zero-filled if handle_mm_fault() actually did handle it.\n\t */\n\tif ((flags & FOLL_DUMP) &&\n\t (!vma->vm_ops || !vma->vm_ops->fault))\n\t\treturn ERR_PTR(-EFAULT);\n\treturn page;\n}","static inline int stack_guard_page(struct vm_area_struct *vma, unsigned long addr)\n{\n\treturn stack_guard_page_start(vma, addr) ||\n\t stack_guard_page_end(vma, addr+PAGE_SIZE);\n}","/**\n * __get_user_pages() - pin user pages in memory\n * @tsk:\ttask_struct of target task\n * @mm:\t\tmm_struct of target mm\n * @start:\tstarting user address\n * @nr_pages:\tnumber of pages from start to pin\n * @gup_flags:\tflags modifying pin behaviour\n * @pages:\tarray that receives pointers to the pages pinned.\n *\t\tShould be at least nr_pages long. Or NULL, if caller\n *\t\tonly intends to ensure the pages are faulted in.\n * @vmas:\tarray of pointers to vmas corresponding to each page.\n *\t\tOr NULL if the caller does not require them.\n * @nonblocking: whether waiting for disk IO or mmap_sem contention\n *\n * Returns number of pages pinned. This may be fewer than the number\n * requested. If nr_pages is 0 or negative, returns 0. If no pages\n * were pinned, returns -errno. Each page returned must be released\n * with a put_page() call when it is finished with. vmas will only\n * remain valid while mmap_sem is held.\n *\n * Must be called with mmap_sem held for read or write.\n *\n * __get_user_pages walks a process's page tables and takes a reference to\n * each struct page that each user address corresponds to at a given\n * instant. That is, it takes the page that would be accessed if a user\n * thread accesses the given user virtual address at that instant.\n *\n * This does not guarantee that the page exists in the user mappings when\n * __get_user_pages returns, and there may even be a completely different\n * page there in some cases (eg. if mmapped pagecache has been invalidated\n * and subsequently re faulted). However it does guarantee that the page\n * won't be freed completely. And mostly callers simply care that the page\n * contains data that was valid *at some point in time*. Typically, an IO\n * or similar operation cannot guarantee anything stronger anyway because\n * locks can't be held over the syscall boundary.\n *\n * If @gup_flags & FOLL_WRITE == 0, the page must not be written to. If\n * the page is written to, set_page_dirty (or set_page_dirty_lock, as\n * appropriate) must be called after the page is finished with, and\n * before put_page is called.\n *\n * If @nonblocking != NULL, __get_user_pages will not wait for disk IO\n * or mmap_sem contention, and if waiting is needed to pin all pages,\n * *@nonblocking will be set to 0.\n *\n * In most cases, get_user_pages or get_user_pages_fast should be used\n * instead of __get_user_pages. __get_user_pages should be used only if\n * you need some special @gup_flags.\n */\nlong __get_user_pages(struct task_struct *tsk, struct mm_struct *mm,\n\t\tunsigned long start, unsigned long nr_pages,\n\t\tunsigned int gup_flags, struct page **pages,\n\t\tstruct vm_area_struct **vmas, int *nonblocking)\n{\n\tlong i;\n\tunsigned long vm_flags;\n\tunsigned int page_mask;","\tif (!nr_pages)\n\t\treturn 0;","\tVM_BUG_ON(!!pages != !!(gup_flags & FOLL_GET));","\t/* \n\t * Require read or write permissions.\n\t * If FOLL_FORCE is set, we only require the \"MAY\" flags.\n\t */\n\tvm_flags = (gup_flags & FOLL_WRITE) ?\n\t\t\t(VM_WRITE | VM_MAYWRITE) : (VM_READ | VM_MAYREAD);\n\tvm_flags &= (gup_flags & FOLL_FORCE) ?\n\t\t\t(VM_MAYREAD | VM_MAYWRITE) : (VM_READ | VM_WRITE);","\t/*\n\t * If FOLL_FORCE and FOLL_NUMA are both set, handle_mm_fault\n\t * would be called on PROT_NONE ranges. We must never invoke\n\t * handle_mm_fault on PROT_NONE ranges or the NUMA hinting\n\t * page faults would unprotect the PROT_NONE ranges if\n\t * _PAGE_NUMA and _PAGE_PROTNONE are sharing the same pte/pmd\n\t * bitflag. So to avoid that, don't set FOLL_NUMA if\n\t * FOLL_FORCE is set.\n\t */\n\tif (!(gup_flags & FOLL_FORCE))\n\t\tgup_flags |= FOLL_NUMA;","\ti = 0;","\tdo {\n\t\tstruct vm_area_struct *vma;","\t\tvma = find_extend_vma(mm, start);\n\t\tif (!vma && in_gate_area(mm, start)) {\n\t\t\tunsigned long pg = start & PAGE_MASK;\n\t\t\tpgd_t *pgd;\n\t\t\tpud_t *pud;\n\t\t\tpmd_t *pmd;\n\t\t\tpte_t *pte;","\t\t\t/* user gate pages are read-only */\n\t\t\tif (gup_flags & FOLL_WRITE)\n\t\t\t\treturn i ? : -EFAULT;\n\t\t\tif (pg > TASK_SIZE)\n\t\t\t\tpgd = pgd_offset_k(pg);\n\t\t\telse\n\t\t\t\tpgd = pgd_offset_gate(mm, pg);\n\t\t\tBUG_ON(pgd_none(*pgd));\n\t\t\tpud = pud_offset(pgd, pg);\n\t\t\tBUG_ON(pud_none(*pud));\n\t\t\tpmd = pmd_offset(pud, pg);\n\t\t\tif (pmd_none(*pmd))\n\t\t\t\treturn i ? : -EFAULT;\n\t\t\tVM_BUG_ON(pmd_trans_huge(*pmd));\n\t\t\tpte = pte_offset_map(pmd, pg);\n\t\t\tif (pte_none(*pte)) {\n\t\t\t\tpte_unmap(pte);\n\t\t\t\treturn i ? : -EFAULT;\n\t\t\t}\n\t\t\tvma = get_gate_vma(mm);\n\t\t\tif (pages) {\n\t\t\t\tstruct page *page;","\t\t\t\tpage = vm_normal_page(vma, start, *pte);\n\t\t\t\tif (!page) {\n\t\t\t\t\tif (!(gup_flags & FOLL_DUMP) &&\n\t\t\t\t\t is_zero_pfn(pte_pfn(*pte)))\n\t\t\t\t\t\tpage = pte_page(*pte);\n\t\t\t\t\telse {\n\t\t\t\t\t\tpte_unmap(pte);\n\t\t\t\t\t\treturn i ? : -EFAULT;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\tpages[i] = page;\n\t\t\t\tget_page(page);\n\t\t\t}\n\t\t\tpte_unmap(pte);\n\t\t\tpage_mask = 0;\n\t\t\tgoto next_page;\n\t\t}","\t\tif (!vma ||\n\t\t (vma->vm_flags & (VM_IO | VM_PFNMAP)) ||\n\t\t !(vm_flags & vma->vm_flags))\n\t\t\treturn i ? : -EFAULT;","\t\tif (is_vm_hugetlb_page(vma)) {\n\t\t\ti = follow_hugetlb_page(mm, vma, pages, vmas,\n\t\t\t\t\t&start, &nr_pages, i, gup_flags);\n\t\t\tcontinue;\n\t\t}","\t\tdo {\n\t\t\tstruct page *page;\n\t\t\tunsigned int foll_flags = gup_flags;\n\t\t\tunsigned int page_increm;","\t\t\t/*\n\t\t\t * If we have a pending SIGKILL, don't keep faulting\n\t\t\t * pages and potentially allocating memory.\n\t\t\t */\n\t\t\tif (unlikely(fatal_signal_pending(current)))\n\t\t\t\treturn i ? i : -ERESTARTSYS;","\t\t\tcond_resched();\n\t\t\twhile (!(page = follow_page_mask(vma, start,\n\t\t\t\t\t\tfoll_flags, &page_mask))) {\n\t\t\t\tint ret;\n\t\t\t\tunsigned int fault_flags = 0;","\t\t\t\t/* For mlock, just skip the stack guard page. */\n\t\t\t\tif (foll_flags & FOLL_MLOCK) {\n\t\t\t\t\tif (stack_guard_page(vma, start))\n\t\t\t\t\t\tgoto next_page;\n\t\t\t\t}\n\t\t\t\tif (foll_flags & FOLL_WRITE)\n\t\t\t\t\tfault_flags |= FAULT_FLAG_WRITE;\n\t\t\t\tif (nonblocking)\n\t\t\t\t\tfault_flags |= FAULT_FLAG_ALLOW_RETRY;\n\t\t\t\tif (foll_flags & FOLL_NOWAIT)\n\t\t\t\t\tfault_flags |= (FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_RETRY_NOWAIT);","\t\t\t\tret = handle_mm_fault(mm, vma, start,\n\t\t\t\t\t\t\tfault_flags);","\t\t\t\tif (ret & VM_FAULT_ERROR) {\n\t\t\t\t\tif (ret & VM_FAULT_OOM)\n\t\t\t\t\t\treturn i ? i : -ENOMEM;\n\t\t\t\t\tif (ret & (VM_FAULT_HWPOISON |\n\t\t\t\t\t\t VM_FAULT_HWPOISON_LARGE)) {\n\t\t\t\t\t\tif (i)\n\t\t\t\t\t\t\treturn i;\n\t\t\t\t\t\telse if (gup_flags & FOLL_HWPOISON)\n\t\t\t\t\t\t\treturn -EHWPOISON;\n\t\t\t\t\t\telse\n\t\t\t\t\t\t\treturn -EFAULT;\n\t\t\t\t\t}\n\t\t\t\t\tif (ret & VM_FAULT_SIGBUS)\n\t\t\t\t\t\treturn i ? i : -EFAULT;\n\t\t\t\t\tBUG();\n\t\t\t\t}","\t\t\t\tif (tsk) {\n\t\t\t\t\tif (ret & VM_FAULT_MAJOR)\n\t\t\t\t\t\ttsk->maj_flt++;\n\t\t\t\t\telse\n\t\t\t\t\t\ttsk->min_flt++;\n\t\t\t\t}","\t\t\t\tif (ret & VM_FAULT_RETRY) {\n\t\t\t\t\tif (nonblocking)\n\t\t\t\t\t\t*nonblocking = 0;\n\t\t\t\t\treturn i;\n\t\t\t\t}","\t\t\t\t/*\n\t\t\t\t * The VM_FAULT_WRITE bit tells us that\n\t\t\t\t * do_wp_page has broken COW when necessary,\n\t\t\t\t * even if maybe_mkwrite decided not to set\n\t\t\t\t * pte_write. We can thus safely do subsequent\n\t\t\t\t * page lookups as if they were reads. But only\n\t\t\t\t * do so when looping for pte_write is futile:\n\t\t\t\t * in some cases userspace may also be wanting\n\t\t\t\t * to write to the gotten user page, which a\n\t\t\t\t * read fault here might prevent (a readonly\n\t\t\t\t * page might get reCOWed by userspace write).\n\t\t\t\t */\n\t\t\t\tif ((ret & VM_FAULT_WRITE) &&\n\t\t\t\t !(vma->vm_flags & VM_WRITE))\n\t\t\t\t\tfoll_flags &= ~FOLL_WRITE;","\t\t\t\tcond_resched();\n\t\t\t}\n\t\t\tif (IS_ERR(page))\n\t\t\t\treturn i ? i : PTR_ERR(page);\n\t\t\tif (pages) {\n\t\t\t\tpages[i] = page;","\t\t\t\tflush_anon_page(vma, page, start);\n\t\t\t\tflush_dcache_page(page);\n\t\t\t\tpage_mask = 0;\n\t\t\t}\nnext_page:\n\t\t\tif (vmas) {\n\t\t\t\tvmas[i] = vma;\n\t\t\t\tpage_mask = 0;\n\t\t\t}\n\t\t\tpage_increm = 1 + (~(start >> PAGE_SHIFT) & page_mask);\n\t\t\tif (page_increm > nr_pages)\n\t\t\t\tpage_increm = nr_pages;\n\t\t\ti += page_increm;\n\t\t\tstart += page_increm * PAGE_SIZE;\n\t\t\tnr_pages -= page_increm;\n\t\t} while (nr_pages && start < vma->vm_end);\n\t} while (nr_pages);\n\treturn i;\n}\nEXPORT_SYMBOL(__get_user_pages);","/*\n * fixup_user_fault() - manually resolve a user page fault\n * @tsk:\tthe task_struct to use for page fault accounting, or\n *\t\tNULL if faults are not to be recorded.\n * @mm:\t\tmm_struct of target mm\n * @address:\tuser address\n * @fault_flags:flags to pass down to handle_mm_fault()\n *\n * This is meant to be called in the specific scenario where for locking reasons\n * we try to access user memory in atomic context (within a pagefault_disable()\n * section), this returns -EFAULT, and we want to resolve the user fault before\n * trying again.\n *\n * Typically this is meant to be used by the futex code.\n *\n * The main difference with get_user_pages() is that this function will\n * unconditionally call handle_mm_fault() which will in turn perform all the\n * necessary SW fixup of the dirty and young bits in the PTE, while\n * handle_mm_fault() only guarantees to update these in the struct page.\n *\n * This is important for some architectures where those bits also gate the\n * access permission to the page because they are maintained in software. On\n * such architectures, gup() will not be enough to make a subsequent access\n * succeed.\n *\n * This should be called with the mm_sem held for read.\n */\nint fixup_user_fault(struct task_struct *tsk, struct mm_struct *mm,\n\t\t unsigned long address, unsigned int fault_flags)\n{\n\tstruct vm_area_struct *vma;\n\tint ret;","\tvma = find_extend_vma(mm, address);\n\tif (!vma || address < vma->vm_start)\n\t\treturn -EFAULT;","\tret = handle_mm_fault(mm, vma, address, fault_flags);\n\tif (ret & VM_FAULT_ERROR) {\n\t\tif (ret & VM_FAULT_OOM)\n\t\t\treturn -ENOMEM;\n\t\tif (ret & (VM_FAULT_HWPOISON | VM_FAULT_HWPOISON_LARGE))\n\t\t\treturn -EHWPOISON;\n\t\tif (ret & VM_FAULT_SIGBUS)\n\t\t\treturn -EFAULT;\n\t\tBUG();\n\t}\n\tif (tsk) {\n\t\tif (ret & VM_FAULT_MAJOR)\n\t\t\ttsk->maj_flt++;\n\t\telse\n\t\t\ttsk->min_flt++;\n\t}\n\treturn 0;\n}","/*\n * get_user_pages() - pin user pages in memory\n * @tsk:\tthe task_struct to use for page fault accounting, or\n *\t\tNULL if faults are not to be recorded.\n * @mm:\t\tmm_struct of target mm\n * @start:\tstarting user address\n * @nr_pages:\tnumber of pages from start to pin\n * @write:\twhether pages will be written to by the caller\n * @force:\twhether to force write access even if user mapping is\n *\t\treadonly. This will result in the page being COWed even\n *\t\tin MAP_SHARED mappings. You do not want this.\n * @pages:\tarray that receives pointers to the pages pinned.\n *\t\tShould be at least nr_pages long. Or NULL, if caller\n *\t\tonly intends to ensure the pages are faulted in.\n * @vmas:\tarray of pointers to vmas corresponding to each page.\n *\t\tOr NULL if the caller does not require them.\n *\n * Returns number of pages pinned. This may be fewer than the number\n * requested. If nr_pages is 0 or negative, returns 0. If no pages\n * were pinned, returns -errno. Each page returned must be released\n * with a put_page() call when it is finished with. vmas will only\n * remain valid while mmap_sem is held.\n *\n * Must be called with mmap_sem held for read or write.\n *\n * get_user_pages walks a process's page tables and takes a reference to\n * each struct page that each user address corresponds to at a given\n * instant. That is, it takes the page that would be accessed if a user\n * thread accesses the given user virtual address at that instant.\n *\n * This does not guarantee that the page exists in the user mappings when\n * get_user_pages returns, and there may even be a completely different\n * page there in some cases (eg. if mmapped pagecache has been invalidated\n * and subsequently re faulted). However it does guarantee that the page\n * won't be freed completely. And mostly callers simply care that the page\n * contains data that was valid *at some point in time*. Typically, an IO\n * or similar operation cannot guarantee anything stronger anyway because\n * locks can't be held over the syscall boundary.\n *\n * If write=0, the page must not be written to. If the page is written to,\n * set_page_dirty (or set_page_dirty_lock, as appropriate) must be called\n * after the page is finished with, and before put_page is called.\n *\n * get_user_pages is typically used for fewer-copy IO operations, to get a\n * handle on the memory by some means other than accesses via the user virtual\n * addresses. The pages may be submitted for DMA to devices or accessed via\n * their kernel linear mapping (via the kmap APIs). Care should be taken to\n * use the correct cache flushing APIs.\n *\n * See also get_user_pages_fast, for performance critical applications.\n */\nlong get_user_pages(struct task_struct *tsk, struct mm_struct *mm,\n\t\tunsigned long start, unsigned long nr_pages, int write,\n\t\tint force, struct page **pages, struct vm_area_struct **vmas)\n{\n\tint flags = FOLL_TOUCH;","\tif (pages)\n\t\tflags |= FOLL_GET;\n\tif (write)\n\t\tflags |= FOLL_WRITE;\n\tif (force)\n\t\tflags |= FOLL_FORCE;","\treturn __get_user_pages(tsk, mm, start, nr_pages, flags, pages, vmas,\n\t\t\t\tNULL);\n}\nEXPORT_SYMBOL(get_user_pages);","/**\n * get_dump_page() - pin user page in memory while writing it to core dump\n * @addr: user address\n *\n * Returns struct page pointer of user page pinned for dump,\n * to be freed afterwards by page_cache_release() or put_page().\n *\n * Returns NULL on any kind of failure - a hole must then be inserted into\n * the corefile, to preserve alignment with its headers; and also returns\n * NULL wherever the ZERO_PAGE, or an anonymous pte_none, has been found -\n * allowing a hole to be left in the corefile to save diskspace.\n *\n * Called without mmap_sem, but after all other threads have been killed.\n */\n#ifdef CONFIG_ELF_CORE\nstruct page *get_dump_page(unsigned long addr)\n{\n\tstruct vm_area_struct *vma;\n\tstruct page *page;","\tif (__get_user_pages(current, current->mm, addr, 1,\n\t\t\t FOLL_FORCE | FOLL_DUMP | FOLL_GET, &page, &vma,\n\t\t\t NULL) < 1)\n\t\treturn NULL;\n\tflush_cache_page(vma, addr, page_to_pfn(page));\n\treturn page;\n}\n#endif /* CONFIG_ELF_CORE */","pte_t *__get_locked_pte(struct mm_struct *mm, unsigned long addr,\n\t\t\tspinlock_t **ptl)\n{\n\tpgd_t * pgd = pgd_offset(mm, addr);\n\tpud_t * pud = pud_alloc(mm, pgd, addr);\n\tif (pud) {\n\t\tpmd_t * pmd = pmd_alloc(mm, pud, addr);\n\t\tif (pmd) {\n\t\t\tVM_BUG_ON(pmd_trans_huge(*pmd));\n\t\t\treturn pte_alloc_map_lock(mm, pmd, addr, ptl);\n\t\t}\n\t}\n\treturn NULL;\n}","/*\n * This is the old fallback for page remapping.\n *\n * For historical reasons, it only allows reserved pages. Only\n * old drivers should use this, and they needed to mark their\n * pages reserved for the old functions anyway.\n */\nstatic int insert_page(struct vm_area_struct *vma, unsigned long addr,\n\t\t\tstruct page *page, pgprot_t prot)\n{\n\tstruct mm_struct *mm = vma->vm_mm;\n\tint retval;\n\tpte_t *pte;\n\tspinlock_t *ptl;","\tretval = -EINVAL;\n\tif (PageAnon(page))\n\t\tgoto out;\n\tretval = -ENOMEM;\n\tflush_dcache_page(page);\n\tpte = get_locked_pte(mm, addr, &ptl);\n\tif (!pte)\n\t\tgoto out;\n\tretval = -EBUSY;\n\tif (!pte_none(*pte))\n\t\tgoto out_unlock;","\t/* Ok, finally just insert the thing.. */\n\tget_page(page);\n\tinc_mm_counter_fast(mm, MM_FILEPAGES);\n\tpage_add_file_rmap(page);\n\tset_pte_at(mm, addr, pte, mk_pte(page, prot));","\tretval = 0;\n\tpte_unmap_unlock(pte, ptl);\n\treturn retval;\nout_unlock:\n\tpte_unmap_unlock(pte, ptl);\nout:\n\treturn retval;\n}","/**\n * vm_insert_page - insert single page into user vma\n * @vma: user vma to map to\n * @addr: target user address of this page\n * @page: source kernel page\n *\n * This allows drivers to insert individual pages they've allocated\n * into a user vma.\n *\n * The page has to be a nice clean _individual_ kernel allocation.\n * If you allocate a compound page, you need to have marked it as\n * such (__GFP_COMP), or manually just split the page up yourself\n * (see split_page()).\n *\n * NOTE! Traditionally this was done with \"remap_pfn_range()\" which\n * took an arbitrary page protection parameter. This doesn't allow\n * that. Your vma protection will have to be set up correctly, which\n * means that if you want a shared writable mapping, you'd better\n * ask for a shared writable mapping!\n *\n * The page does not need to be reserved.\n *\n * Usually this function is called from f_op->mmap() handler\n * under mm->mmap_sem write-lock, so it can change vma->vm_flags.\n * Caller must set VM_MIXEDMAP on vma if it wants to call this\n * function from other places, for example from page-fault handler.\n */\nint vm_insert_page(struct vm_area_struct *vma, unsigned long addr,\n\t\t\tstruct page *page)\n{\n\tif (addr < vma->vm_start || addr >= vma->vm_end)\n\t\treturn -EFAULT;\n\tif (!page_count(page))\n\t\treturn -EINVAL;\n\tif (!(vma->vm_flags & VM_MIXEDMAP)) {\n\t\tBUG_ON(down_read_trylock(&vma->vm_mm->mmap_sem));\n\t\tBUG_ON(vma->vm_flags & VM_PFNMAP);\n\t\tvma->vm_flags |= VM_MIXEDMAP;\n\t}\n\treturn insert_page(vma, addr, page, vma->vm_page_prot);\n}\nEXPORT_SYMBOL(vm_insert_page);","static int insert_pfn(struct vm_area_struct *vma, unsigned long addr,\n\t\t\tunsigned long pfn, pgprot_t prot)\n{\n\tstruct mm_struct *mm = vma->vm_mm;\n\tint retval;\n\tpte_t *pte, entry;\n\tspinlock_t *ptl;","\tretval = -ENOMEM;\n\tpte = get_locked_pte(mm, addr, &ptl);\n\tif (!pte)\n\t\tgoto out;\n\tretval = -EBUSY;\n\tif (!pte_none(*pte))\n\t\tgoto out_unlock;","\t/* Ok, finally just insert the thing.. */\n\tentry = pte_mkspecial(pfn_pte(pfn, prot));\n\tset_pte_at(mm, addr, pte, entry);\n\tupdate_mmu_cache(vma, addr, pte); /* XXX: why not for insert_page? */","\tretval = 0;\nout_unlock:\n\tpte_unmap_unlock(pte, ptl);\nout:\n\treturn retval;\n}","/**\n * vm_insert_pfn - insert single pfn into user vma\n * @vma: user vma to map to\n * @addr: target user address of this page\n * @pfn: source kernel pfn\n *\n * Similar to vm_insert_page, this allows drivers to insert individual pages\n * they've allocated into a user vma. Same comments apply.\n *\n * This function should only be called from a vm_ops->fault handler, and\n * in that case the handler should return NULL.\n *\n * vma cannot be a COW mapping.\n *\n * As this is called only for pages that do not currently exist, we\n * do not need to flush old virtual caches or the TLB.\n */\nint vm_insert_pfn(struct vm_area_struct *vma, unsigned long addr,\n\t\t\tunsigned long pfn)\n{\n\tint ret;\n\tpgprot_t pgprot = vma->vm_page_prot;\n\t/*\n\t * Technically, architectures with pte_special can avoid all these\n\t * restrictions (same for remap_pfn_range). However we would like\n\t * consistency in testing and feature parity among all, so we should\n\t * try to keep these invariants in place for everybody.\n\t */\n\tBUG_ON(!(vma->vm_flags & (VM_PFNMAP|VM_MIXEDMAP)));\n\tBUG_ON((vma->vm_flags & (VM_PFNMAP|VM_MIXEDMAP)) ==\n\t\t\t\t\t\t(VM_PFNMAP|VM_MIXEDMAP));\n\tBUG_ON((vma->vm_flags & VM_PFNMAP) && is_cow_mapping(vma->vm_flags));\n\tBUG_ON((vma->vm_flags & VM_MIXEDMAP) && pfn_valid(pfn));","\tif (addr < vma->vm_start || addr >= vma->vm_end)\n\t\treturn -EFAULT;\n\tif (track_pfn_insert(vma, &pgprot, pfn))\n\t\treturn -EINVAL;","\tret = insert_pfn(vma, addr, pfn, pgprot);","\treturn ret;\n}\nEXPORT_SYMBOL(vm_insert_pfn);","int vm_insert_mixed(struct vm_area_struct *vma, unsigned long addr,\n\t\t\tunsigned long pfn)\n{\n\tBUG_ON(!(vma->vm_flags & VM_MIXEDMAP));","\tif (addr < vma->vm_start || addr >= vma->vm_end)\n\t\treturn -EFAULT;","\t/*\n\t * If we don't have pte special, then we have to use the pfn_valid()\n\t * based VM_MIXEDMAP scheme (see vm_normal_page), and thus we *must*\n\t * refcount the page if pfn_valid is true (hence insert_page rather\n\t * than insert_pfn). If a zero_pfn were inserted into a VM_MIXEDMAP\n\t * without pte special, it would there be refcounted as a normal page.\n\t */\n\tif (!HAVE_PTE_SPECIAL && pfn_valid(pfn)) {\n\t\tstruct page *page;","\t\tpage = pfn_to_page(pfn);\n\t\treturn insert_page(vma, addr, page, vma->vm_page_prot);\n\t}\n\treturn insert_pfn(vma, addr, pfn, vma->vm_page_prot);\n}\nEXPORT_SYMBOL(vm_insert_mixed);","/*\n * maps a range of physical memory into the requested pages. the old\n * mappings are removed. any references to nonexistent pages results\n * in null mappings (currently treated as \"copy-on-access\")\n */\nstatic int remap_pte_range(struct mm_struct *mm, pmd_t *pmd,\n\t\t\tunsigned long addr, unsigned long end,\n\t\t\tunsigned long pfn, pgprot_t prot)\n{\n\tpte_t *pte;\n\tspinlock_t *ptl;","\tpte = pte_alloc_map_lock(mm, pmd, addr, &ptl);\n\tif (!pte)\n\t\treturn -ENOMEM;\n\tarch_enter_lazy_mmu_mode();\n\tdo {\n\t\tBUG_ON(!pte_none(*pte));\n\t\tset_pte_at(mm, addr, pte, pte_mkspecial(pfn_pte(pfn, prot)));\n\t\tpfn++;\n\t} while (pte++, addr += PAGE_SIZE, addr != end);\n\tarch_leave_lazy_mmu_mode();\n\tpte_unmap_unlock(pte - 1, ptl);\n\treturn 0;\n}","static inline int remap_pmd_range(struct mm_struct *mm, pud_t *pud,\n\t\t\tunsigned long addr, unsigned long end,\n\t\t\tunsigned long pfn, pgprot_t prot)\n{\n\tpmd_t *pmd;\n\tunsigned long next;","\tpfn -= addr >> PAGE_SHIFT;\n\tpmd = pmd_alloc(mm, pud, addr);\n\tif (!pmd)\n\t\treturn -ENOMEM;\n\tVM_BUG_ON(pmd_trans_huge(*pmd));\n\tdo {\n\t\tnext = pmd_addr_end(addr, end);\n\t\tif (remap_pte_range(mm, pmd, addr, next,\n\t\t\t\tpfn + (addr >> PAGE_SHIFT), prot))\n\t\t\treturn -ENOMEM;\n\t} while (pmd++, addr = next, addr != end);\n\treturn 0;\n}","static inline int remap_pud_range(struct mm_struct *mm, pgd_t *pgd,\n\t\t\tunsigned long addr, unsigned long end,\n\t\t\tunsigned long pfn, pgprot_t prot)\n{\n\tpud_t *pud;\n\tunsigned long next;","\tpfn -= addr >> PAGE_SHIFT;\n\tpud = pud_alloc(mm, pgd, addr);\n\tif (!pud)\n\t\treturn -ENOMEM;\n\tdo {\n\t\tnext = pud_addr_end(addr, end);\n\t\tif (remap_pmd_range(mm, pud, addr, next,\n\t\t\t\tpfn + (addr >> PAGE_SHIFT), prot))\n\t\t\treturn -ENOMEM;\n\t} while (pud++, addr = next, addr != end);\n\treturn 0;\n}","/**\n * remap_pfn_range - remap kernel memory to userspace\n * @vma: user vma to map to\n * @addr: target user address to start at\n * @pfn: physical address of kernel memory\n * @size: size of map area\n * @prot: page protection flags for this mapping\n *\n * Note: this is only safe if the mm semaphore is held when called.\n */\nint remap_pfn_range(struct vm_area_struct *vma, unsigned long addr,\n\t\t unsigned long pfn, unsigned long size, pgprot_t prot)\n{\n\tpgd_t *pgd;\n\tunsigned long next;\n\tunsigned long end = addr + PAGE_ALIGN(size);\n\tstruct mm_struct *mm = vma->vm_mm;\n\tint err;","\t/*\n\t * Physically remapped pages are special. Tell the\n\t * rest of the world about it:\n\t * VM_IO tells people not to look at these pages\n\t *\t(accesses can have side effects).\n\t * VM_PFNMAP tells the core MM that the base pages are just\n\t *\traw PFN mappings, and do not have a \"struct page\" associated\n\t *\twith them.\n\t * VM_DONTEXPAND\n\t * Disable vma merging and expanding with mremap().\n\t * VM_DONTDUMP\n\t * Omit vma from core dump, even when VM_IO turned off.\n\t *\n\t * There's a horrible special case to handle copy-on-write\n\t * behaviour that some programs depend on. We mark the \"original\"\n\t * un-COW'ed pages by matching them up with \"vma->vm_pgoff\".\n\t * See vm_normal_page() for details.\n\t */\n\tif (is_cow_mapping(vma->vm_flags)) {\n\t\tif (addr != vma->vm_start || end != vma->vm_end)\n\t\t\treturn -EINVAL;\n\t\tvma->vm_pgoff = pfn;\n\t}","\terr = track_pfn_remap(vma, &prot, pfn, addr, PAGE_ALIGN(size));\n\tif (err)\n\t\treturn -EINVAL;","\tvma->vm_flags |= VM_IO | VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP;","\tBUG_ON(addr >= end);\n\tpfn -= addr >> PAGE_SHIFT;\n\tpgd = pgd_offset(mm, addr);\n\tflush_cache_range(vma, addr, end);\n\tdo {\n\t\tnext = pgd_addr_end(addr, end);\n\t\terr = remap_pud_range(mm, pgd, addr, next,\n\t\t\t\tpfn + (addr >> PAGE_SHIFT), prot);\n\t\tif (err)\n\t\t\tbreak;\n\t} while (pgd++, addr = next, addr != end);","\tif (err)\n\t\tuntrack_pfn(vma, pfn, PAGE_ALIGN(size));","\treturn err;\n}\nEXPORT_SYMBOL(remap_pfn_range);\n","","static int apply_to_pte_range(struct mm_struct *mm, pmd_t *pmd,\n\t\t\t\t unsigned long addr, unsigned long end,\n\t\t\t\t pte_fn_t fn, void *data)\n{\n\tpte_t *pte;\n\tint err;\n\tpgtable_t token;\n\tspinlock_t *uninitialized_var(ptl);","\tpte = (mm == &init_mm) ?\n\t\tpte_alloc_kernel(pmd, addr) :\n\t\tpte_alloc_map_lock(mm, pmd, addr, &ptl);\n\tif (!pte)\n\t\treturn -ENOMEM;","\tBUG_ON(pmd_huge(*pmd));","\tarch_enter_lazy_mmu_mode();","\ttoken = pmd_pgtable(*pmd);","\tdo {\n\t\terr = fn(pte++, token, addr, data);\n\t\tif (err)\n\t\t\tbreak;\n\t} while (addr += PAGE_SIZE, addr != end);","\tarch_leave_lazy_mmu_mode();","\tif (mm != &init_mm)\n\t\tpte_unmap_unlock(pte-1, ptl);\n\treturn err;\n}","static int apply_to_pmd_range(struct mm_struct *mm, pud_t *pud,\n\t\t\t\t unsigned long addr, unsigned long end,\n\t\t\t\t pte_fn_t fn, void *data)\n{\n\tpmd_t *pmd;\n\tunsigned long next;\n\tint err;","\tBUG_ON(pud_huge(*pud));","\tpmd = pmd_alloc(mm, pud, addr);\n\tif (!pmd)\n\t\treturn -ENOMEM;\n\tdo {\n\t\tnext = pmd_addr_end(addr, end);\n\t\terr = apply_to_pte_range(mm, pmd, addr, next, fn, data);\n\t\tif (err)\n\t\t\tbreak;\n\t} while (pmd++, addr = next, addr != end);\n\treturn err;\n}","static int apply_to_pud_range(struct mm_struct *mm, pgd_t *pgd,\n\t\t\t\t unsigned long addr, unsigned long end,\n\t\t\t\t pte_fn_t fn, void *data)\n{\n\tpud_t *pud;\n\tunsigned long next;\n\tint err;","\tpud = pud_alloc(mm, pgd, addr);\n\tif (!pud)\n\t\treturn -ENOMEM;\n\tdo {\n\t\tnext = pud_addr_end(addr, end);\n\t\terr = apply_to_pmd_range(mm, pud, addr, next, fn, data);\n\t\tif (err)\n\t\t\tbreak;\n\t} while (pud++, addr = next, addr != end);\n\treturn err;\n}","/*\n * Scan a region of virtual memory, filling in page tables as necessary\n * and calling a provided function on each leaf page table.\n */\nint apply_to_page_range(struct mm_struct *mm, unsigned long addr,\n\t\t\tunsigned long size, pte_fn_t fn, void *data)\n{\n\tpgd_t *pgd;\n\tunsigned long next;\n\tunsigned long end = addr + size;\n\tint err;","\tBUG_ON(addr >= end);\n\tpgd = pgd_offset(mm, addr);\n\tdo {\n\t\tnext = pgd_addr_end(addr, end);\n\t\terr = apply_to_pud_range(mm, pgd, addr, next, fn, data);\n\t\tif (err)\n\t\t\tbreak;\n\t} while (pgd++, addr = next, addr != end);","\treturn err;\n}\nEXPORT_SYMBOL_GPL(apply_to_page_range);","/*\n * handle_pte_fault chooses page fault handler according to an entry\n * which was read non-atomically. Before making any commitment, on\n * those architectures or configurations (e.g. i386 with PAE) which\n * might give a mix of unmatched parts, do_swap_page and do_nonlinear_fault\n * must check under lock before unmapping the pte and proceeding\n * (but do_wp_page is only called after already making such a check;\n * and do_anonymous_page can safely check later on).\n */\nstatic inline int pte_unmap_same(struct mm_struct *mm, pmd_t *pmd,\n\t\t\t\tpte_t *page_table, pte_t orig_pte)\n{\n\tint same = 1;\n#if defined(CONFIG_SMP) || defined(CONFIG_PREEMPT)\n\tif (sizeof(pte_t) > sizeof(unsigned long)) {\n\t\tspinlock_t *ptl = pte_lockptr(mm, pmd);\n\t\tspin_lock(ptl);\n\t\tsame = pte_same(*page_table, orig_pte);\n\t\tspin_unlock(ptl);\n\t}\n#endif\n\tpte_unmap(page_table);\n\treturn same;\n}","static inline void cow_user_page(struct page *dst, struct page *src, unsigned long va, struct vm_area_struct *vma)\n{\n\t/*\n\t * If the source page was a PFN mapping, we don't have\n\t * a \"struct page\" for it. We do a best-effort copy by\n\t * just copying from the original user address. If that\n\t * fails, we just zero-fill it. Live with it.\n\t */\n\tif (unlikely(!src)) {\n\t\tvoid *kaddr = kmap_atomic(dst);\n\t\tvoid __user *uaddr = (void __user *)(va & PAGE_MASK);","\t\t/*\n\t\t * This really shouldn't fail, because the page is there\n\t\t * in the page tables. But it might just be unreadable,\n\t\t * in which case we just give up and fill the result with\n\t\t * zeroes.\n\t\t */\n\t\tif (__copy_from_user_inatomic(kaddr, uaddr, PAGE_SIZE))\n\t\t\tclear_page(kaddr);\n\t\tkunmap_atomic(kaddr);\n\t\tflush_dcache_page(dst);\n\t} else\n\t\tcopy_user_highpage(dst, src, va, vma);\n}","/*\n * This routine handles present pages, when users try to write\n * to a shared page. It is done by copying the page to a new address\n * and decrementing the shared-page counter for the old page.\n *\n * Note that this routine assumes that the protection checks have been\n * done by the caller (the low-level page fault routine in most cases).\n * Thus we can safely just mark it writable once we've done any necessary\n * COW.\n *\n * We also mark the page dirty at this point even though the page will\n * change only once the write actually happens. This avoids a few races,\n * and potentially makes it more efficient.\n *\n * We enter with non-exclusive mmap_sem (to exclude vma changes,\n * but allow concurrent faults), with pte both mapped and locked.\n * We return with mmap_sem still held, but pte unmapped and unlocked.\n */\nstatic int do_wp_page(struct mm_struct *mm, struct vm_area_struct *vma,\n\t\tunsigned long address, pte_t *page_table, pmd_t *pmd,\n\t\tspinlock_t *ptl, pte_t orig_pte)\n\t__releases(ptl)\n{\n\tstruct page *old_page, *new_page = NULL;\n\tpte_t entry;\n\tint ret = 0;\n\tint page_mkwrite = 0;\n\tstruct page *dirty_page = NULL;\n\tunsigned long mmun_start = 0;\t/* For mmu_notifiers */\n\tunsigned long mmun_end = 0;\t/* For mmu_notifiers */","\told_page = vm_normal_page(vma, address, orig_pte);\n\tif (!old_page) {\n\t\t/*\n\t\t * VM_MIXEDMAP !pfn_valid() case\n\t\t *\n\t\t * We should not cow pages in a shared writeable mapping.\n\t\t * Just mark the pages writable as we can't do any dirty\n\t\t * accounting on raw pfn maps.\n\t\t */\n\t\tif ((vma->vm_flags & (VM_WRITE|VM_SHARED)) ==\n\t\t\t\t (VM_WRITE|VM_SHARED))\n\t\t\tgoto reuse;\n\t\tgoto gotten;\n\t}","\t/*\n\t * Take out anonymous pages first, anonymous shared vmas are\n\t * not dirty accountable.\n\t */\n\tif (PageAnon(old_page) && !PageKsm(old_page)) {\n\t\tif (!trylock_page(old_page)) {\n\t\t\tpage_cache_get(old_page);\n\t\t\tpte_unmap_unlock(page_table, ptl);\n\t\t\tlock_page(old_page);\n\t\t\tpage_table = pte_offset_map_lock(mm, pmd, address,\n\t\t\t\t\t\t\t &ptl);\n\t\t\tif (!pte_same(*page_table, orig_pte)) {\n\t\t\t\tunlock_page(old_page);\n\t\t\t\tgoto unlock;\n\t\t\t}\n\t\t\tpage_cache_release(old_page);\n\t\t}\n\t\tif (reuse_swap_page(old_page)) {\n\t\t\t/*\n\t\t\t * The page is all ours. Move it to our anon_vma so\n\t\t\t * the rmap code will not search our parent or siblings.\n\t\t\t * Protected against the rmap code by the page lock.\n\t\t\t */\n\t\t\tpage_move_anon_rmap(old_page, vma, address);\n\t\t\tunlock_page(old_page);\n\t\t\tgoto reuse;\n\t\t}\n\t\tunlock_page(old_page);\n\t} else if (unlikely((vma->vm_flags & (VM_WRITE|VM_SHARED)) ==\n\t\t\t\t\t(VM_WRITE|VM_SHARED))) {\n\t\t/*\n\t\t * Only catch write-faults on shared writable pages,\n\t\t * read-only shared pages can get COWed by\n\t\t * get_user_pages(.write=1, .force=1).\n\t\t */\n\t\tif (vma->vm_ops && vma->vm_ops->page_mkwrite) {\n\t\t\tstruct vm_fault vmf;\n\t\t\tint tmp;","\t\t\tvmf.virtual_address = (void __user *)(address &\n\t\t\t\t\t\t\t\tPAGE_MASK);\n\t\t\tvmf.pgoff = old_page->index;\n\t\t\tvmf.flags = FAULT_FLAG_WRITE|FAULT_FLAG_MKWRITE;\n\t\t\tvmf.page = old_page;","\t\t\t/*\n\t\t\t * Notify the address space that the page is about to\n\t\t\t * become writable so that it can prohibit this or wait\n\t\t\t * for the page to get into an appropriate state.\n\t\t\t *\n\t\t\t * We do this without the lock held, so that it can\n\t\t\t * sleep if it needs to.\n\t\t\t */\n\t\t\tpage_cache_get(old_page);\n\t\t\tpte_unmap_unlock(page_table, ptl);","\t\t\ttmp = vma->vm_ops->page_mkwrite(vma, &vmf);\n\t\t\tif (unlikely(tmp &\n\t\t\t\t\t(VM_FAULT_ERROR | VM_FAULT_NOPAGE))) {\n\t\t\t\tret = tmp;\n\t\t\t\tgoto unwritable_page;\n\t\t\t}\n\t\t\tif (unlikely(!(tmp & VM_FAULT_LOCKED))) {\n\t\t\t\tlock_page(old_page);\n\t\t\t\tif (!old_page->mapping) {\n\t\t\t\t\tret = 0; /* retry the fault */\n\t\t\t\t\tunlock_page(old_page);\n\t\t\t\t\tgoto unwritable_page;\n\t\t\t\t}\n\t\t\t} else\n\t\t\t\tVM_BUG_ON(!PageLocked(old_page));","\t\t\t/*\n\t\t\t * Since we dropped the lock we need to revalidate\n\t\t\t * the PTE as someone else may have changed it. If\n\t\t\t * they did, we just return, as we can count on the\n\t\t\t * MMU to tell us if they didn't also make it writable.\n\t\t\t */\n\t\t\tpage_table = pte_offset_map_lock(mm, pmd, address,\n\t\t\t\t\t\t\t &ptl);\n\t\t\tif (!pte_same(*page_table, orig_pte)) {\n\t\t\t\tunlock_page(old_page);\n\t\t\t\tgoto unlock;\n\t\t\t}","\t\t\tpage_mkwrite = 1;\n\t\t}\n\t\tdirty_page = old_page;\n\t\tget_page(dirty_page);","reuse:\n\t\tflush_cache_page(vma, address, pte_pfn(orig_pte));\n\t\tentry = pte_mkyoung(orig_pte);\n\t\tentry = maybe_mkwrite(pte_mkdirty(entry), vma);\n\t\tif (ptep_set_access_flags(vma, address, page_table, entry,1))\n\t\t\tupdate_mmu_cache(vma, address, page_table);\n\t\tpte_unmap_unlock(page_table, ptl);\n\t\tret |= VM_FAULT_WRITE;","\t\tif (!dirty_page)\n\t\t\treturn ret;","\t\t/*\n\t\t * Yes, Virginia, this is actually required to prevent a race\n\t\t * with clear_page_dirty_for_io() from clearing the page dirty\n\t\t * bit after it clear all dirty ptes, but before a racing\n\t\t * do_wp_page installs a dirty pte.\n\t\t *\n\t\t * __do_fault is protected similarly.\n\t\t */\n\t\tif (!page_mkwrite) {\n\t\t\twait_on_page_locked(dirty_page);\n\t\t\tset_page_dirty_balance(dirty_page, page_mkwrite);\n\t\t\t/* file_update_time outside page_lock */\n\t\t\tif (vma->vm_file)\n\t\t\t\tfile_update_time(vma->vm_file);\n\t\t}\n\t\tput_page(dirty_page);\n\t\tif (page_mkwrite) {\n\t\t\tstruct address_space *mapping = dirty_page->mapping;","\t\t\tset_page_dirty(dirty_page);\n\t\t\tunlock_page(dirty_page);\n\t\t\tpage_cache_release(dirty_page);\n\t\t\tif (mapping)\t{\n\t\t\t\t/*\n\t\t\t\t * Some device drivers do not set page.mapping\n\t\t\t\t * but still dirty their pages\n\t\t\t\t */\n\t\t\t\tbalance_dirty_pages_ratelimited(mapping);\n\t\t\t}\n\t\t}","\t\treturn ret;\n\t}","\t/*\n\t * Ok, we need to copy. Oh, well..\n\t */\n\tpage_cache_get(old_page);\ngotten:\n\tpte_unmap_unlock(page_table, ptl);","\tif (unlikely(anon_vma_prepare(vma)))\n\t\tgoto oom;","\tif (is_zero_pfn(pte_pfn(orig_pte))) {\n\t\tnew_page = alloc_zeroed_user_highpage_movable(vma, address);\n\t\tif (!new_page)\n\t\t\tgoto oom;\n\t} else {\n\t\tnew_page = alloc_page_vma(GFP_HIGHUSER_MOVABLE, vma, address);\n\t\tif (!new_page)\n\t\t\tgoto oom;\n\t\tcow_user_page(new_page, old_page, address, vma);\n\t}\n\t__SetPageUptodate(new_page);","\tif (mem_cgroup_newpage_charge(new_page, mm, GFP_KERNEL))\n\t\tgoto oom_free_new;","\tmmun_start = address & PAGE_MASK;\n\tmmun_end = mmun_start + PAGE_SIZE;\n\tmmu_notifier_invalidate_range_start(mm, mmun_start, mmun_end);","\t/*\n\t * Re-check the pte - we dropped the lock\n\t */\n\tpage_table = pte_offset_map_lock(mm, pmd, address, &ptl);\n\tif (likely(pte_same(*page_table, orig_pte))) {\n\t\tif (old_page) {\n\t\t\tif (!PageAnon(old_page)) {\n\t\t\t\tdec_mm_counter_fast(mm, MM_FILEPAGES);\n\t\t\t\tinc_mm_counter_fast(mm, MM_ANONPAGES);\n\t\t\t}\n\t\t} else\n\t\t\tinc_mm_counter_fast(mm, MM_ANONPAGES);\n\t\tflush_cache_page(vma, address, pte_pfn(orig_pte));\n\t\tentry = mk_pte(new_page, vma->vm_page_prot);\n\t\tentry = maybe_mkwrite(pte_mkdirty(entry), vma);\n\t\t/*\n\t\t * Clear the pte entry and flush it first, before updating the\n\t\t * pte with the new entry. This will avoid a race condition\n\t\t * seen in the presence of one thread doing SMC and another\n\t\t * thread doing COW.\n\t\t */\n\t\tptep_clear_flush(vma, address, page_table);\n\t\tpage_add_new_anon_rmap(new_page, vma, address);\n\t\t/*\n\t\t * We call the notify macro here because, when using secondary\n\t\t * mmu page tables (such as kvm shadow page tables), we want the\n\t\t * new page to be mapped directly into the secondary page table.\n\t\t */\n\t\tset_pte_at_notify(mm, address, page_table, entry);\n\t\tupdate_mmu_cache(vma, address, page_table);\n\t\tif (old_page) {\n\t\t\t/*\n\t\t\t * Only after switching the pte to the new page may\n\t\t\t * we remove the mapcount here. Otherwise another\n\t\t\t * process may come and find the rmap count decremented\n\t\t\t * before the pte is switched to the new page, and\n\t\t\t * \"reuse\" the old page writing into it while our pte\n\t\t\t * here still points into it and can be read by other\n\t\t\t * threads.\n\t\t\t *\n\t\t\t * The critical issue is to order this\n\t\t\t * page_remove_rmap with the ptp_clear_flush above.\n\t\t\t * Those stores are ordered by (if nothing else,)\n\t\t\t * the barrier present in the atomic_add_negative\n\t\t\t * in page_remove_rmap.\n\t\t\t *\n\t\t\t * Then the TLB flush in ptep_clear_flush ensures that\n\t\t\t * no process can access the old page before the\n\t\t\t * decremented mapcount is visible. And the old page\n\t\t\t * cannot be reused until after the decremented\n\t\t\t * mapcount is visible. So transitively, TLBs to\n\t\t\t * old page will be flushed before it can be reused.\n\t\t\t */\n\t\t\tpage_remove_rmap(old_page);\n\t\t}","\t\t/* Free the old page.. */\n\t\tnew_page = old_page;\n\t\tret |= VM_FAULT_WRITE;\n\t} else\n\t\tmem_cgroup_uncharge_page(new_page);","\tif (new_page)\n\t\tpage_cache_release(new_page);\nunlock:\n\tpte_unmap_unlock(page_table, ptl);\n\tif (mmun_end > mmun_start)\n\t\tmmu_notifier_invalidate_range_end(mm, mmun_start, mmun_end);\n\tif (old_page) {\n\t\t/*\n\t\t * Don't let another task, with possibly unlocked vma,\n\t\t * keep the mlocked page.\n\t\t */\n\t\tif ((ret & VM_FAULT_WRITE) && (vma->vm_flags & VM_LOCKED)) {\n\t\t\tlock_page(old_page);\t/* LRU manipulation */\n\t\t\tmunlock_vma_page(old_page);\n\t\t\tunlock_page(old_page);\n\t\t}\n\t\tpage_cache_release(old_page);\n\t}\n\treturn ret;\noom_free_new:\n\tpage_cache_release(new_page);\noom:\n\tif (old_page)\n\t\tpage_cache_release(old_page);\n\treturn VM_FAULT_OOM;","unwritable_page:\n\tpage_cache_release(old_page);\n\treturn ret;\n}","static void unmap_mapping_range_vma(struct vm_area_struct *vma,\n\t\tunsigned long start_addr, unsigned long end_addr,\n\t\tstruct zap_details *details)\n{\n\tzap_page_range_single(vma, start_addr, end_addr - start_addr, details);\n}","static inline void unmap_mapping_range_tree(struct rb_root *root,\n\t\t\t\t\t struct zap_details *details)\n{\n\tstruct vm_area_struct *vma;\n\tpgoff_t vba, vea, zba, zea;","\tvma_interval_tree_foreach(vma, root,\n\t\t\tdetails->first_index, details->last_index) {","\t\tvba = vma->vm_pgoff;\n\t\tvea = vba + ((vma->vm_end - vma->vm_start) >> PAGE_SHIFT) - 1;\n\t\t/* Assume for now that PAGE_CACHE_SHIFT == PAGE_SHIFT */\n\t\tzba = details->first_index;\n\t\tif (zba < vba)\n\t\t\tzba = vba;\n\t\tzea = details->last_index;\n\t\tif (zea > vea)\n\t\t\tzea = vea;","\t\tunmap_mapping_range_vma(vma,\n\t\t\t((zba - vba) << PAGE_SHIFT) + vma->vm_start,\n\t\t\t((zea - vba + 1) << PAGE_SHIFT) + vma->vm_start,\n\t\t\t\tdetails);\n\t}\n}","static inline void unmap_mapping_range_list(struct list_head *head,\n\t\t\t\t\t struct zap_details *details)\n{\n\tstruct vm_area_struct *vma;","\t/*\n\t * In nonlinear VMAs there is no correspondence between virtual address\n\t * offset and file offset. So we must perform an exhaustive search\n\t * across *all* the pages in each nonlinear VMA, not just the pages\n\t * whose virtual address lies outside the file truncation point.\n\t */\n\tlist_for_each_entry(vma, head, shared.nonlinear) {\n\t\tdetails->nonlinear_vma = vma;\n\t\tunmap_mapping_range_vma(vma, vma->vm_start, vma->vm_end, details);\n\t}\n}","/**\n * unmap_mapping_range - unmap the portion of all mmaps in the specified address_space corresponding to the specified page range in the underlying file.\n * @mapping: the address space containing mmaps to be unmapped.\n * @holebegin: byte in first page to unmap, relative to the start of\n * the underlying file. This will be rounded down to a PAGE_SIZE\n * boundary. Note that this is different from truncate_pagecache(), which\n * must keep the partial page. In contrast, we must get rid of\n * partial pages.\n * @holelen: size of prospective hole in bytes. This will be rounded\n * up to a PAGE_SIZE boundary. A holelen of zero truncates to the\n * end of the file.\n * @even_cows: 1 when truncating a file, unmap even private COWed pages;\n * but 0 when invalidating pagecache, don't throw away private data.\n */\nvoid unmap_mapping_range(struct address_space *mapping,\n\t\tloff_t const holebegin, loff_t const holelen, int even_cows)\n{\n\tstruct zap_details details;\n\tpgoff_t hba = holebegin >> PAGE_SHIFT;\n\tpgoff_t hlen = (holelen + PAGE_SIZE - 1) >> PAGE_SHIFT;","\t/* Check for overflow. */\n\tif (sizeof(holelen) > sizeof(hlen)) {\n\t\tlong long holeend =\n\t\t\t(holebegin + holelen + PAGE_SIZE - 1) >> PAGE_SHIFT;\n\t\tif (holeend & ~(long long)ULONG_MAX)\n\t\t\thlen = ULONG_MAX - hba + 1;\n\t}","\tdetails.check_mapping = even_cows? NULL: mapping;\n\tdetails.nonlinear_vma = NULL;\n\tdetails.first_index = hba;\n\tdetails.last_index = hba + hlen - 1;\n\tif (details.last_index < details.first_index)\n\t\tdetails.last_index = ULONG_MAX;","\n\tmutex_lock(&mapping->i_mmap_mutex);\n\tif (unlikely(!RB_EMPTY_ROOT(&mapping->i_mmap)))\n\t\tunmap_mapping_range_tree(&mapping->i_mmap, &details);\n\tif (unlikely(!list_empty(&mapping->i_mmap_nonlinear)))\n\t\tunmap_mapping_range_list(&mapping->i_mmap_nonlinear, &details);\n\tmutex_unlock(&mapping->i_mmap_mutex);\n}\nEXPORT_SYMBOL(unmap_mapping_range);","/*\n * We enter with non-exclusive mmap_sem (to exclude vma changes,\n * but allow concurrent faults), and pte mapped but not yet locked.\n * We return with mmap_sem still held, but pte unmapped and unlocked.\n */\nstatic int do_swap_page(struct mm_struct *mm, struct vm_area_struct *vma,\n\t\tunsigned long address, pte_t *page_table, pmd_t *pmd,\n\t\tunsigned int flags, pte_t orig_pte)\n{\n\tspinlock_t *ptl;\n\tstruct page *page, *swapcache;\n\tswp_entry_t entry;\n\tpte_t pte;\n\tint locked;\n\tstruct mem_cgroup *ptr;\n\tint exclusive = 0;\n\tint ret = 0;","\tif (!pte_unmap_same(mm, pmd, page_table, orig_pte))\n\t\tgoto out;","\tentry = pte_to_swp_entry(orig_pte);\n\tif (unlikely(non_swap_entry(entry))) {\n\t\tif (is_migration_entry(entry)) {\n\t\t\tmigration_entry_wait(mm, pmd, address);\n\t\t} else if (is_hwpoison_entry(entry)) {\n\t\t\tret = VM_FAULT_HWPOISON;\n\t\t} else {\n\t\t\tprint_bad_pte(vma, address, orig_pte, NULL);\n\t\t\tret = VM_FAULT_SIGBUS;\n\t\t}\n\t\tgoto out;\n\t}\n\tdelayacct_set_flag(DELAYACCT_PF_SWAPIN);\n\tpage = lookup_swap_cache(entry);\n\tif (!page) {\n\t\tpage = swapin_readahead(entry,\n\t\t\t\t\tGFP_HIGHUSER_MOVABLE, vma, address);\n\t\tif (!page) {\n\t\t\t/*\n\t\t\t * Back out if somebody else faulted in this pte\n\t\t\t * while we released the pte lock.\n\t\t\t */\n\t\t\tpage_table = pte_offset_map_lock(mm, pmd, address, &ptl);\n\t\t\tif (likely(pte_same(*page_table, orig_pte)))\n\t\t\t\tret = VM_FAULT_OOM;\n\t\t\tdelayacct_clear_flag(DELAYACCT_PF_SWAPIN);\n\t\t\tgoto unlock;\n\t\t}","\t\t/* Had to read the page from swap area: Major fault */\n\t\tret = VM_FAULT_MAJOR;\n\t\tcount_vm_event(PGMAJFAULT);\n\t\tmem_cgroup_count_vm_event(mm, PGMAJFAULT);\n\t} else if (PageHWPoison(page)) {\n\t\t/*\n\t\t * hwpoisoned dirty swapcache pages are kept for killing\n\t\t * owner processes (which may be unknown at hwpoison time)\n\t\t */\n\t\tret = VM_FAULT_HWPOISON;\n\t\tdelayacct_clear_flag(DELAYACCT_PF_SWAPIN);\n\t\tswapcache = page;\n\t\tgoto out_release;\n\t}","\tswapcache = page;\n\tlocked = lock_page_or_retry(page, mm, flags);","\tdelayacct_clear_flag(DELAYACCT_PF_SWAPIN);\n\tif (!locked) {\n\t\tret |= VM_FAULT_RETRY;\n\t\tgoto out_release;\n\t}","\t/*\n\t * Make sure try_to_free_swap or reuse_swap_page or swapoff did not\n\t * release the swapcache from under us. The page pin, and pte_same\n\t * test below, are not enough to exclude that. Even if it is still\n\t * swapcache, we need to check that the page's swap has not changed.\n\t */\n\tif (unlikely(!PageSwapCache(page) || page_private(page) != entry.val))\n\t\tgoto out_page;","\tpage = ksm_might_need_to_copy(page, vma, address);\n\tif (unlikely(!page)) {\n\t\tret = VM_FAULT_OOM;\n\t\tpage = swapcache;\n\t\tgoto out_page;\n\t}","\tif (mem_cgroup_try_charge_swapin(mm, page, GFP_KERNEL, &ptr)) {\n\t\tret = VM_FAULT_OOM;\n\t\tgoto out_page;\n\t}","\t/*\n\t * Back out if somebody else already faulted in this pte.\n\t */\n\tpage_table = pte_offset_map_lock(mm, pmd, address, &ptl);\n\tif (unlikely(!pte_same(*page_table, orig_pte)))\n\t\tgoto out_nomap;","\tif (unlikely(!PageUptodate(page))) {\n\t\tret = VM_FAULT_SIGBUS;\n\t\tgoto out_nomap;\n\t}","\t/*\n\t * The page isn't present yet, go ahead with the fault.\n\t *\n\t * Be careful about the sequence of operations here.\n\t * To get its accounting right, reuse_swap_page() must be called\n\t * while the page is counted on swap but not yet in mapcount i.e.\n\t * before page_add_anon_rmap() and swap_free(); try_to_free_swap()\n\t * must be called after the swap_free(), or it will never succeed.\n\t * Because delete_from_swap_page() may be called by reuse_swap_page(),\n\t * mem_cgroup_commit_charge_swapin() may not be able to find swp_entry\n\t * in page->private. In this case, a record in swap_cgroup is silently\n\t * discarded at swap_free().\n\t */","\tinc_mm_counter_fast(mm, MM_ANONPAGES);\n\tdec_mm_counter_fast(mm, MM_SWAPENTS);\n\tpte = mk_pte(page, vma->vm_page_prot);\n\tif ((flags & FAULT_FLAG_WRITE) && reuse_swap_page(page)) {\n\t\tpte = maybe_mkwrite(pte_mkdirty(pte), vma);\n\t\tflags &= ~FAULT_FLAG_WRITE;\n\t\tret |= VM_FAULT_WRITE;\n\t\texclusive = 1;\n\t}\n\tflush_icache_page(vma, page);\n\tset_pte_at(mm, address, page_table, pte);\n\tif (page == swapcache)\n\t\tdo_page_add_anon_rmap(page, vma, address, exclusive);\n\telse /* ksm created a completely new copy */\n\t\tpage_add_new_anon_rmap(page, vma, address);\n\t/* It's better to call commit-charge after rmap is established */\n\tmem_cgroup_commit_charge_swapin(page, ptr);","\tswap_free(entry);\n\tif (vm_swap_full() || (vma->vm_flags & VM_LOCKED) || PageMlocked(page))\n\t\ttry_to_free_swap(page);\n\tunlock_page(page);\n\tif (page != swapcache) {\n\t\t/*\n\t\t * Hold the lock to avoid the swap entry to be reused\n\t\t * until we take the PT lock for the pte_same() check\n\t\t * (to avoid false positives from pte_same). For\n\t\t * further safety release the lock after the swap_free\n\t\t * so that the swap count won't change under a\n\t\t * parallel locked swapcache.\n\t\t */\n\t\tunlock_page(swapcache);\n\t\tpage_cache_release(swapcache);\n\t}","\tif (flags & FAULT_FLAG_WRITE) {\n\t\tret |= do_wp_page(mm, vma, address, page_table, pmd, ptl, pte);\n\t\tif (ret & VM_FAULT_ERROR)\n\t\t\tret &= VM_FAULT_ERROR;\n\t\tgoto out;\n\t}","\t/* No need to invalidate - it was non-present before */\n\tupdate_mmu_cache(vma, address, page_table);\nunlock:\n\tpte_unmap_unlock(page_table, ptl);\nout:\n\treturn ret;\nout_nomap:\n\tmem_cgroup_cancel_charge_swapin(ptr);\n\tpte_unmap_unlock(page_table, ptl);\nout_page:\n\tunlock_page(page);\nout_release:\n\tpage_cache_release(page);\n\tif (page != swapcache) {\n\t\tunlock_page(swapcache);\n\t\tpage_cache_release(swapcache);\n\t}\n\treturn ret;\n}","/*\n * This is like a special single-page \"expand_{down|up}wards()\",\n * except we must first make sure that 'address{-|+}PAGE_SIZE'\n * doesn't hit another vma.\n */\nstatic inline int check_stack_guard_page(struct vm_area_struct *vma, unsigned long address)\n{\n\taddress &= PAGE_MASK;\n\tif ((vma->vm_flags & VM_GROWSDOWN) && address == vma->vm_start) {\n\t\tstruct vm_area_struct *prev = vma->vm_prev;","\t\t/*\n\t\t * Is there a mapping abutting this one below?\n\t\t *\n\t\t * That's only ok if it's the same stack mapping\n\t\t * that has gotten split..\n\t\t */\n\t\tif (prev && prev->vm_end == address)\n\t\t\treturn prev->vm_flags & VM_GROWSDOWN ? 0 : -ENOMEM;","\t\texpand_downwards(vma, address - PAGE_SIZE);\n\t}\n\tif ((vma->vm_flags & VM_GROWSUP) && address + PAGE_SIZE == vma->vm_end) {\n\t\tstruct vm_area_struct *next = vma->vm_next;","\t\t/* As VM_GROWSDOWN but s/below/above/ */\n\t\tif (next && next->vm_start == address + PAGE_SIZE)\n\t\t\treturn next->vm_flags & VM_GROWSUP ? 0 : -ENOMEM;","\t\texpand_upwards(vma, address + PAGE_SIZE);\n\t}\n\treturn 0;\n}","/*\n * We enter with non-exclusive mmap_sem (to exclude vma changes,\n * but allow concurrent faults), and pte mapped but not yet locked.\n * We return with mmap_sem still held, but pte unmapped and unlocked.\n */\nstatic int do_anonymous_page(struct mm_struct *mm, struct vm_area_struct *vma,\n\t\tunsigned long address, pte_t *page_table, pmd_t *pmd,\n\t\tunsigned int flags)\n{\n\tstruct page *page;\n\tspinlock_t *ptl;\n\tpte_t entry;","\tpte_unmap(page_table);","\t/* Check if we need to add a guard page to the stack */\n\tif (check_stack_guard_page(vma, address) < 0)\n\t\treturn VM_FAULT_SIGBUS;","\t/* Use the zero-page for reads */\n\tif (!(flags & FAULT_FLAG_WRITE)) {\n\t\tentry = pte_mkspecial(pfn_pte(my_zero_pfn(address),\n\t\t\t\t\t\tvma->vm_page_prot));\n\t\tpage_table = pte_offset_map_lock(mm, pmd, address, &ptl);\n\t\tif (!pte_none(*page_table))\n\t\t\tgoto unlock;\n\t\tgoto setpte;\n\t}","\t/* Allocate our own private page. */\n\tif (unlikely(anon_vma_prepare(vma)))\n\t\tgoto oom;\n\tpage = alloc_zeroed_user_highpage_movable(vma, address);\n\tif (!page)\n\t\tgoto oom;\n\t__SetPageUptodate(page);","\tif (mem_cgroup_newpage_charge(page, mm, GFP_KERNEL))\n\t\tgoto oom_free_page;","\tentry = mk_pte(page, vma->vm_page_prot);\n\tif (vma->vm_flags & VM_WRITE)\n\t\tentry = pte_mkwrite(pte_mkdirty(entry));","\tpage_table = pte_offset_map_lock(mm, pmd, address, &ptl);\n\tif (!pte_none(*page_table))\n\t\tgoto release;","\tinc_mm_counter_fast(mm, MM_ANONPAGES);\n\tpage_add_new_anon_rmap(page, vma, address);\nsetpte:\n\tset_pte_at(mm, address, page_table, entry);","\t/* No need to invalidate - it was non-present before */\n\tupdate_mmu_cache(vma, address, page_table);\nunlock:\n\tpte_unmap_unlock(page_table, ptl);\n\treturn 0;\nrelease:\n\tmem_cgroup_uncharge_page(page);\n\tpage_cache_release(page);\n\tgoto unlock;\noom_free_page:\n\tpage_cache_release(page);\noom:\n\treturn VM_FAULT_OOM;\n}","/*\n * __do_fault() tries to create a new page mapping. It aggressively\n * tries to share with existing pages, but makes a separate copy if\n * the FAULT_FLAG_WRITE is set in the flags parameter in order to avoid\n * the next page fault.\n *\n * As this is called only for pages that do not currently exist, we\n * do not need to flush old virtual caches or the TLB.\n *\n * We enter with non-exclusive mmap_sem (to exclude vma changes,\n * but allow concurrent faults), and pte neither mapped nor locked.\n * We return with mmap_sem still held, but pte unmapped and unlocked.\n */\nstatic int __do_fault(struct mm_struct *mm, struct vm_area_struct *vma,\n\t\tunsigned long address, pmd_t *pmd,\n\t\tpgoff_t pgoff, unsigned int flags, pte_t orig_pte)\n{\n\tpte_t *page_table;\n\tspinlock_t *ptl;\n\tstruct page *page;\n\tstruct page *cow_page;\n\tpte_t entry;\n\tint anon = 0;\n\tstruct page *dirty_page = NULL;\n\tstruct vm_fault vmf;\n\tint ret;\n\tint page_mkwrite = 0;","\t/*\n\t * If we do COW later, allocate page befor taking lock_page()\n\t * on the file cache page. This will reduce lock holding time.\n\t */\n\tif ((flags & FAULT_FLAG_WRITE) && !(vma->vm_flags & VM_SHARED)) {","\t\tif (unlikely(anon_vma_prepare(vma)))\n\t\t\treturn VM_FAULT_OOM;","\t\tcow_page = alloc_page_vma(GFP_HIGHUSER_MOVABLE, vma, address);\n\t\tif (!cow_page)\n\t\t\treturn VM_FAULT_OOM;","\t\tif (mem_cgroup_newpage_charge(cow_page, mm, GFP_KERNEL)) {\n\t\t\tpage_cache_release(cow_page);\n\t\t\treturn VM_FAULT_OOM;\n\t\t}\n\t} else\n\t\tcow_page = NULL;","\tvmf.virtual_address = (void __user *)(address & PAGE_MASK);\n\tvmf.pgoff = pgoff;\n\tvmf.flags = flags;\n\tvmf.page = NULL;","\tret = vma->vm_ops->fault(vma, &vmf);\n\tif (unlikely(ret & (VM_FAULT_ERROR | VM_FAULT_NOPAGE |\n\t\t\t VM_FAULT_RETRY)))\n\t\tgoto uncharge_out;","\tif (unlikely(PageHWPoison(vmf.page))) {\n\t\tif (ret & VM_FAULT_LOCKED)\n\t\t\tunlock_page(vmf.page);\n\t\tret = VM_FAULT_HWPOISON;\n\t\tgoto uncharge_out;\n\t}","\t/*\n\t * For consistency in subsequent calls, make the faulted page always\n\t * locked.\n\t */\n\tif (unlikely(!(ret & VM_FAULT_LOCKED)))\n\t\tlock_page(vmf.page);\n\telse\n\t\tVM_BUG_ON(!PageLocked(vmf.page));","\t/*\n\t * Should we do an early C-O-W break?\n\t */\n\tpage = vmf.page;\n\tif (flags & FAULT_FLAG_WRITE) {\n\t\tif (!(vma->vm_flags & VM_SHARED)) {\n\t\t\tpage = cow_page;\n\t\t\tanon = 1;\n\t\t\tcopy_user_highpage(page, vmf.page, address, vma);\n\t\t\t__SetPageUptodate(page);\n\t\t} else {\n\t\t\t/*\n\t\t\t * If the page will be shareable, see if the backing\n\t\t\t * address space wants to know that the page is about\n\t\t\t * to become writable\n\t\t\t */\n\t\t\tif (vma->vm_ops->page_mkwrite) {\n\t\t\t\tint tmp;","\t\t\t\tunlock_page(page);\n\t\t\t\tvmf.flags = FAULT_FLAG_WRITE|FAULT_FLAG_MKWRITE;\n\t\t\t\ttmp = vma->vm_ops->page_mkwrite(vma, &vmf);\n\t\t\t\tif (unlikely(tmp &\n\t\t\t\t\t (VM_FAULT_ERROR | VM_FAULT_NOPAGE))) {\n\t\t\t\t\tret = tmp;\n\t\t\t\t\tgoto unwritable_page;\n\t\t\t\t}\n\t\t\t\tif (unlikely(!(tmp & VM_FAULT_LOCKED))) {\n\t\t\t\t\tlock_page(page);\n\t\t\t\t\tif (!page->mapping) {\n\t\t\t\t\t\tret = 0; /* retry the fault */\n\t\t\t\t\t\tunlock_page(page);\n\t\t\t\t\t\tgoto unwritable_page;\n\t\t\t\t\t}\n\t\t\t\t} else\n\t\t\t\t\tVM_BUG_ON(!PageLocked(page));\n\t\t\t\tpage_mkwrite = 1;\n\t\t\t}\n\t\t}","\t}","\tpage_table = pte_offset_map_lock(mm, pmd, address, &ptl);","\t/*\n\t * This silly early PAGE_DIRTY setting removes a race\n\t * due to the bad i386 page protection. But it's valid\n\t * for other architectures too.\n\t *\n\t * Note that if FAULT_FLAG_WRITE is set, we either now have\n\t * an exclusive copy of the page, or this is a shared mapping,\n\t * so we can make it writable and dirty to avoid having to\n\t * handle that later.\n\t */\n\t/* Only go through if we didn't race with anybody else... */\n\tif (likely(pte_same(*page_table, orig_pte))) {\n\t\tflush_icache_page(vma, page);\n\t\tentry = mk_pte(page, vma->vm_page_prot);\n\t\tif (flags & FAULT_FLAG_WRITE)\n\t\t\tentry = maybe_mkwrite(pte_mkdirty(entry), vma);\n\t\tif (anon) {\n\t\t\tinc_mm_counter_fast(mm, MM_ANONPAGES);\n\t\t\tpage_add_new_anon_rmap(page, vma, address);\n\t\t} else {\n\t\t\tinc_mm_counter_fast(mm, MM_FILEPAGES);\n\t\t\tpage_add_file_rmap(page);\n\t\t\tif (flags & FAULT_FLAG_WRITE) {\n\t\t\t\tdirty_page = page;\n\t\t\t\tget_page(dirty_page);\n\t\t\t}\n\t\t}\n\t\tset_pte_at(mm, address, page_table, entry);","\t\t/* no need to invalidate: a not-present page won't be cached */\n\t\tupdate_mmu_cache(vma, address, page_table);\n\t} else {\n\t\tif (cow_page)\n\t\t\tmem_cgroup_uncharge_page(cow_page);\n\t\tif (anon)\n\t\t\tpage_cache_release(page);\n\t\telse\n\t\t\tanon = 1; /* no anon but release faulted_page */\n\t}","\tpte_unmap_unlock(page_table, ptl);","\tif (dirty_page) {\n\t\tstruct address_space *mapping = page->mapping;\n\t\tint dirtied = 0;","\t\tif (set_page_dirty(dirty_page))\n\t\t\tdirtied = 1;\n\t\tunlock_page(dirty_page);\n\t\tput_page(dirty_page);\n\t\tif ((dirtied || page_mkwrite) && mapping) {\n\t\t\t/*\n\t\t\t * Some device drivers do not set page.mapping but still\n\t\t\t * dirty their pages\n\t\t\t */\n\t\t\tbalance_dirty_pages_ratelimited(mapping);\n\t\t}","\t\t/* file_update_time outside page_lock */\n\t\tif (vma->vm_file && !page_mkwrite)\n\t\t\tfile_update_time(vma->vm_file);\n\t} else {\n\t\tunlock_page(vmf.page);\n\t\tif (anon)\n\t\t\tpage_cache_release(vmf.page);\n\t}","\treturn ret;","unwritable_page:\n\tpage_cache_release(page);\n\treturn ret;\nuncharge_out:\n\t/* fs's fault handler get error */\n\tif (cow_page) {\n\t\tmem_cgroup_uncharge_page(cow_page);\n\t\tpage_cache_release(cow_page);\n\t}\n\treturn ret;\n}","static int do_linear_fault(struct mm_struct *mm, struct vm_area_struct *vma,\n\t\tunsigned long address, pte_t *page_table, pmd_t *pmd,\n\t\tunsigned int flags, pte_t orig_pte)\n{\n\tpgoff_t pgoff = (((address & PAGE_MASK)\n\t\t\t- vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff;","\tpte_unmap(page_table);\n\treturn __do_fault(mm, vma, address, pmd, pgoff, flags, orig_pte);\n}","/*\n * Fault of a previously existing named mapping. Repopulate the pte\n * from the encoded file_pte if possible. This enables swappable\n * nonlinear vmas.\n *\n * We enter with non-exclusive mmap_sem (to exclude vma changes,\n * but allow concurrent faults), and pte mapped but not yet locked.\n * We return with mmap_sem still held, but pte unmapped and unlocked.\n */\nstatic int do_nonlinear_fault(struct mm_struct *mm, struct vm_area_struct *vma,\n\t\tunsigned long address, pte_t *page_table, pmd_t *pmd,\n\t\tunsigned int flags, pte_t orig_pte)\n{\n\tpgoff_t pgoff;","\tflags |= FAULT_FLAG_NONLINEAR;","\tif (!pte_unmap_same(mm, pmd, page_table, orig_pte))\n\t\treturn 0;","\tif (unlikely(!(vma->vm_flags & VM_NONLINEAR))) {\n\t\t/*\n\t\t * Page table corrupted: show pte and kill process.\n\t\t */\n\t\tprint_bad_pte(vma, address, orig_pte, NULL);\n\t\treturn VM_FAULT_SIGBUS;\n\t}","\tpgoff = pte_to_pgoff(orig_pte);\n\treturn __do_fault(mm, vma, address, pmd, pgoff, flags, orig_pte);\n}","int numa_migrate_prep(struct page *page, struct vm_area_struct *vma,\n\t\t\t\tunsigned long addr, int current_nid)\n{\n\tget_page(page);","\tcount_vm_numa_event(NUMA_HINT_FAULTS);\n\tif (current_nid == numa_node_id())\n\t\tcount_vm_numa_event(NUMA_HINT_FAULTS_LOCAL);","\treturn mpol_misplaced(page, vma, addr);\n}","int do_numa_page(struct mm_struct *mm, struct vm_area_struct *vma,\n\t\t unsigned long addr, pte_t pte, pte_t *ptep, pmd_t *pmd)\n{\n\tstruct page *page = NULL;\n\tspinlock_t *ptl;\n\tint current_nid = -1;\n\tint target_nid;\n\tbool migrated = false;","\t/*\n\t* The \"pte\" at this point cannot be used safely without\n\t* validation through pte_unmap_same(). It's of NUMA type but\n\t* the pfn may be screwed if the read is non atomic.\n\t*\n\t* ptep_modify_prot_start is not called as this is clearing\n\t* the _PAGE_NUMA bit and it is not really expected that there\n\t* would be concurrent hardware modifications to the PTE.\n\t*/\n\tptl = pte_lockptr(mm, pmd);\n\tspin_lock(ptl);\n\tif (unlikely(!pte_same(*ptep, pte))) {\n\t\tpte_unmap_unlock(ptep, ptl);\n\t\tgoto out;\n\t}","\tpte = pte_mknonnuma(pte);\n\tset_pte_at(mm, addr, ptep, pte);\n\tupdate_mmu_cache(vma, addr, ptep);","\tpage = vm_normal_page(vma, addr, pte);\n\tif (!page) {\n\t\tpte_unmap_unlock(ptep, ptl);\n\t\treturn 0;\n\t}","\tcurrent_nid = page_to_nid(page);\n\ttarget_nid = numa_migrate_prep(page, vma, addr, current_nid);\n\tpte_unmap_unlock(ptep, ptl);\n\tif (target_nid == -1) {\n\t\t/*\n\t\t * Account for the fault against the current node if it not\n\t\t * being replaced regardless of where the page is located.\n\t\t */\n\t\tcurrent_nid = numa_node_id();\n\t\tput_page(page);\n\t\tgoto out;\n\t}","\t/* Migrate to the requested node */\n\tmigrated = migrate_misplaced_page(page, target_nid);\n\tif (migrated)\n\t\tcurrent_nid = target_nid;","out:\n\tif (current_nid != -1)\n\t\ttask_numa_fault(current_nid, 1, migrated);\n\treturn 0;\n}","/* NUMA hinting page fault entry point for regular pmds */\n#ifdef CONFIG_NUMA_BALANCING\nstatic int do_pmd_numa_page(struct mm_struct *mm, struct vm_area_struct *vma,\n\t\t unsigned long addr, pmd_t *pmdp)\n{\n\tpmd_t pmd;\n\tpte_t *pte, *orig_pte;\n\tunsigned long _addr = addr & PMD_MASK;\n\tunsigned long offset;\n\tspinlock_t *ptl;\n\tbool numa = false;\n\tint local_nid = numa_node_id();","\tspin_lock(&mm->page_table_lock);\n\tpmd = *pmdp;\n\tif (pmd_numa(pmd)) {\n\t\tset_pmd_at(mm, _addr, pmdp, pmd_mknonnuma(pmd));\n\t\tnuma = true;\n\t}\n\tspin_unlock(&mm->page_table_lock);","\tif (!numa)\n\t\treturn 0;","\t/* we're in a page fault so some vma must be in the range */\n\tBUG_ON(!vma);\n\tBUG_ON(vma->vm_start >= _addr + PMD_SIZE);\n\toffset = max(_addr, vma->vm_start) & ~PMD_MASK;\n\tVM_BUG_ON(offset >= PMD_SIZE);\n\torig_pte = pte = pte_offset_map_lock(mm, pmdp, _addr, &ptl);\n\tpte += offset >> PAGE_SHIFT;\n\tfor (addr = _addr + offset; addr < _addr + PMD_SIZE; pte++, addr += PAGE_SIZE) {\n\t\tpte_t pteval = *pte;\n\t\tstruct page *page;\n\t\tint curr_nid = local_nid;\n\t\tint target_nid;\n\t\tbool migrated;\n\t\tif (!pte_present(pteval))\n\t\t\tcontinue;\n\t\tif (!pte_numa(pteval))\n\t\t\tcontinue;\n\t\tif (addr >= vma->vm_end) {\n\t\t\tvma = find_vma(mm, addr);\n\t\t\t/* there's a pte present so there must be a vma */\n\t\t\tBUG_ON(!vma);\n\t\t\tBUG_ON(addr < vma->vm_start);\n\t\t}\n\t\tif (pte_numa(pteval)) {\n\t\t\tpteval = pte_mknonnuma(pteval);\n\t\t\tset_pte_at(mm, addr, pte, pteval);\n\t\t}\n\t\tpage = vm_normal_page(vma, addr, pteval);\n\t\tif (unlikely(!page))\n\t\t\tcontinue;\n\t\t/* only check non-shared pages */\n\t\tif (unlikely(page_mapcount(page) != 1))\n\t\t\tcontinue;","\t\t/*\n\t\t * Note that the NUMA fault is later accounted to either\n\t\t * the node that is currently running or where the page is\n\t\t * migrated to.\n\t\t */\n\t\tcurr_nid = local_nid;\n\t\ttarget_nid = numa_migrate_prep(page, vma, addr,\n\t\t\t\t\t page_to_nid(page));\n\t\tif (target_nid == -1) {\n\t\t\tput_page(page);\n\t\t\tcontinue;\n\t\t}","\t\t/* Migrate to the requested node */\n\t\tpte_unmap_unlock(pte, ptl);\n\t\tmigrated = migrate_misplaced_page(page, target_nid);\n\t\tif (migrated)\n\t\t\tcurr_nid = target_nid;\n\t\ttask_numa_fault(curr_nid, 1, migrated);","\t\tpte = pte_offset_map_lock(mm, pmdp, addr, &ptl);\n\t}\n\tpte_unmap_unlock(orig_pte, ptl);","\treturn 0;\n}\n#else\nstatic int do_pmd_numa_page(struct mm_struct *mm, struct vm_area_struct *vma,\n\t\t unsigned long addr, pmd_t *pmdp)\n{\n\tBUG();\n\treturn 0;\n}\n#endif /* CONFIG_NUMA_BALANCING */","/*\n * These routines also need to handle stuff like marking pages dirty\n * and/or accessed for architectures that don't do it in hardware (most\n * RISC architectures). The early dirtying is also good on the i386.\n *\n * There is also a hook called \"update_mmu_cache()\" that architectures\n * with external mmu caches can use to update those (ie the Sparc or\n * PowerPC hashed page tables that act as extended TLBs).\n *\n * We enter with non-exclusive mmap_sem (to exclude vma changes,\n * but allow concurrent faults), and pte mapped but not yet locked.\n * We return with mmap_sem still held, but pte unmapped and unlocked.\n */\nint handle_pte_fault(struct mm_struct *mm,\n\t\t struct vm_area_struct *vma, unsigned long address,\n\t\t pte_t *pte, pmd_t *pmd, unsigned int flags)\n{\n\tpte_t entry;\n\tspinlock_t *ptl;","\tentry = *pte;\n\tif (!pte_present(entry)) {\n\t\tif (pte_none(entry)) {\n\t\t\tif (vma->vm_ops) {\n\t\t\t\tif (likely(vma->vm_ops->fault))\n\t\t\t\t\treturn do_linear_fault(mm, vma, address,\n\t\t\t\t\t\tpte, pmd, flags, entry);\n\t\t\t}\n\t\t\treturn do_anonymous_page(mm, vma, address,\n\t\t\t\t\t\t pte, pmd, flags);\n\t\t}\n\t\tif (pte_file(entry))\n\t\t\treturn do_nonlinear_fault(mm, vma, address,\n\t\t\t\t\tpte, pmd, flags, entry);\n\t\treturn do_swap_page(mm, vma, address,\n\t\t\t\t\tpte, pmd, flags, entry);\n\t}","\tif (pte_numa(entry))\n\t\treturn do_numa_page(mm, vma, address, entry, pte, pmd);","\tptl = pte_lockptr(mm, pmd);\n\tspin_lock(ptl);\n\tif (unlikely(!pte_same(*pte, entry)))\n\t\tgoto unlock;\n\tif (flags & FAULT_FLAG_WRITE) {\n\t\tif (!pte_write(entry))\n\t\t\treturn do_wp_page(mm, vma, address,\n\t\t\t\t\tpte, pmd, ptl, entry);\n\t\tentry = pte_mkdirty(entry);\n\t}\n\tentry = pte_mkyoung(entry);\n\tif (ptep_set_access_flags(vma, address, pte, entry, flags & FAULT_FLAG_WRITE)) {\n\t\tupdate_mmu_cache(vma, address, pte);\n\t} else {\n\t\t/*\n\t\t * This is needed only for protection faults but the arch code\n\t\t * is not yet telling us if this is a protection fault or not.\n\t\t * This still avoids useless tlb flushes for .text page faults\n\t\t * with threads.\n\t\t */\n\t\tif (flags & FAULT_FLAG_WRITE)\n\t\t\tflush_tlb_fix_spurious_fault(vma, address);\n\t}\nunlock:\n\tpte_unmap_unlock(pte, ptl);\n\treturn 0;\n}","/*\n * By the time we get here, we already hold the mm semaphore\n */\nint handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma,\n\t\tunsigned long address, unsigned int flags)\n{\n\tpgd_t *pgd;\n\tpud_t *pud;\n\tpmd_t *pmd;\n\tpte_t *pte;","\t__set_current_state(TASK_RUNNING);","\tcount_vm_event(PGFAULT);\n\tmem_cgroup_count_vm_event(mm, PGFAULT);","\t/* do counter updates before entering really critical section. */\n\tcheck_sync_rss_stat(current);","\tif (unlikely(is_vm_hugetlb_page(vma)))\n\t\treturn hugetlb_fault(mm, vma, address, flags);","retry:\n\tpgd = pgd_offset(mm, address);\n\tpud = pud_alloc(mm, pgd, address);\n\tif (!pud)\n\t\treturn VM_FAULT_OOM;\n\tpmd = pmd_alloc(mm, pud, address);\n\tif (!pmd)\n\t\treturn VM_FAULT_OOM;\n\tif (pmd_none(*pmd) && transparent_hugepage_enabled(vma)) {\n\t\tif (!vma->vm_ops)\n\t\t\treturn do_huge_pmd_anonymous_page(mm, vma, address,\n\t\t\t\t\t\t\t pmd, flags);\n\t} else {\n\t\tpmd_t orig_pmd = *pmd;\n\t\tint ret;","\t\tbarrier();\n\t\tif (pmd_trans_huge(orig_pmd)) {\n\t\t\tunsigned int dirty = flags & FAULT_FLAG_WRITE;","\t\t\t/*\n\t\t\t * If the pmd is splitting, return and retry the\n\t\t\t * the fault. Alternative: wait until the split\n\t\t\t * is done, and goto retry.\n\t\t\t */\n\t\t\tif (pmd_trans_splitting(orig_pmd))\n\t\t\t\treturn 0;","\t\t\tif (pmd_numa(orig_pmd))\n\t\t\t\treturn do_huge_pmd_numa_page(mm, vma, address,\n\t\t\t\t\t\t\t orig_pmd, pmd);","\t\t\tif (dirty && !pmd_write(orig_pmd)) {\n\t\t\t\tret = do_huge_pmd_wp_page(mm, vma, address, pmd,\n\t\t\t\t\t\t\t orig_pmd);\n\t\t\t\t/*\n\t\t\t\t * If COW results in an oom, the huge pmd will\n\t\t\t\t * have been split, so retry the fault on the\n\t\t\t\t * pte for a smaller charge.\n\t\t\t\t */\n\t\t\t\tif (unlikely(ret & VM_FAULT_OOM))\n\t\t\t\t\tgoto retry;\n\t\t\t\treturn ret;\n\t\t\t} else {\n\t\t\t\thuge_pmd_set_accessed(mm, vma, address, pmd,\n\t\t\t\t\t\t orig_pmd, dirty);\n\t\t\t}","\t\t\treturn 0;\n\t\t}\n\t}","\tif (pmd_numa(*pmd))\n\t\treturn do_pmd_numa_page(mm, vma, address, pmd);","\t/*\n\t * Use __pte_alloc instead of pte_alloc_map, because we can't\n\t * run pte_offset_map on the pmd, if an huge pmd could\n\t * materialize from under us from a different thread.\n\t */\n\tif (unlikely(pmd_none(*pmd)) &&\n\t unlikely(__pte_alloc(mm, vma, pmd, address)))\n\t\treturn VM_FAULT_OOM;\n\t/* if an huge pmd materialized from under us just retry later */\n\tif (unlikely(pmd_trans_huge(*pmd)))\n\t\treturn 0;\n\t/*\n\t * A regular pmd is established and it can't morph into a huge pmd\n\t * from under us anymore at this point because we hold the mmap_sem\n\t * read mode and khugepaged takes it in write mode. So now it's\n\t * safe to run pte_offset_map().\n\t */\n\tpte = pte_offset_map(pmd, address);","\treturn handle_pte_fault(mm, vma, address, pte, pmd, flags);\n}","#ifndef __PAGETABLE_PUD_FOLDED\n/*\n * Allocate page upper directory.\n * We've already handled the fast-path in-line.\n */\nint __pud_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long address)\n{\n\tpud_t *new = pud_alloc_one(mm, address);\n\tif (!new)\n\t\treturn -ENOMEM;","\tsmp_wmb(); /* See comment in __pte_alloc */","\tspin_lock(&mm->page_table_lock);\n\tif (pgd_present(*pgd))\t\t/* Another has populated it */\n\t\tpud_free(mm, new);\n\telse\n\t\tpgd_populate(mm, pgd, new);\n\tspin_unlock(&mm->page_table_lock);\n\treturn 0;\n}\n#endif /* __PAGETABLE_PUD_FOLDED */","#ifndef __PAGETABLE_PMD_FOLDED\n/*\n * Allocate page middle directory.\n * We've already handled the fast-path in-line.\n */\nint __pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long address)\n{\n\tpmd_t *new = pmd_alloc_one(mm, address);\n\tif (!new)\n\t\treturn -ENOMEM;","\tsmp_wmb(); /* See comment in __pte_alloc */","\tspin_lock(&mm->page_table_lock);\n#ifndef __ARCH_HAS_4LEVEL_HACK\n\tif (pud_present(*pud))\t\t/* Another has populated it */\n\t\tpmd_free(mm, new);\n\telse\n\t\tpud_populate(mm, pud, new);\n#else\n\tif (pgd_present(*pud))\t\t/* Another has populated it */\n\t\tpmd_free(mm, new);\n\telse\n\t\tpgd_populate(mm, pud, new);\n#endif /* __ARCH_HAS_4LEVEL_HACK */\n\tspin_unlock(&mm->page_table_lock);\n\treturn 0;\n}\n#endif /* __PAGETABLE_PMD_FOLDED */","#if !defined(__HAVE_ARCH_GATE_AREA)","#if defined(AT_SYSINFO_EHDR)\nstatic struct vm_area_struct gate_vma;","static int __init gate_vma_init(void)\n{\n\tgate_vma.vm_mm = NULL;\n\tgate_vma.vm_start = FIXADDR_USER_START;\n\tgate_vma.vm_end = FIXADDR_USER_END;\n\tgate_vma.vm_flags = VM_READ | VM_MAYREAD | VM_EXEC | VM_MAYEXEC;\n\tgate_vma.vm_page_prot = __P101;","\treturn 0;\n}\n__initcall(gate_vma_init);\n#endif","struct vm_area_struct *get_gate_vma(struct mm_struct *mm)\n{\n#ifdef AT_SYSINFO_EHDR\n\treturn &gate_vma;\n#else\n\treturn NULL;\n#endif\n}","int in_gate_area_no_mm(unsigned long addr)\n{\n#ifdef AT_SYSINFO_EHDR\n\tif ((addr >= FIXADDR_USER_START) && (addr < FIXADDR_USER_END))\n\t\treturn 1;\n#endif\n\treturn 0;\n}","#endif\t/* __HAVE_ARCH_GATE_AREA */","static int __follow_pte(struct mm_struct *mm, unsigned long address,\n\t\tpte_t **ptepp, spinlock_t **ptlp)\n{\n\tpgd_t *pgd;\n\tpud_t *pud;\n\tpmd_t *pmd;\n\tpte_t *ptep;","\tpgd = pgd_offset(mm, address);\n\tif (pgd_none(*pgd) || unlikely(pgd_bad(*pgd)))\n\t\tgoto out;","\tpud = pud_offset(pgd, address);\n\tif (pud_none(*pud) || unlikely(pud_bad(*pud)))\n\t\tgoto out;","\tpmd = pmd_offset(pud, address);\n\tVM_BUG_ON(pmd_trans_huge(*pmd));\n\tif (pmd_none(*pmd) || unlikely(pmd_bad(*pmd)))\n\t\tgoto out;","\t/* We cannot handle huge page PFN maps. Luckily they don't exist. */\n\tif (pmd_huge(*pmd))\n\t\tgoto out;","\tptep = pte_offset_map_lock(mm, pmd, address, ptlp);\n\tif (!ptep)\n\t\tgoto out;\n\tif (!pte_present(*ptep))\n\t\tgoto unlock;\n\t*ptepp = ptep;\n\treturn 0;\nunlock:\n\tpte_unmap_unlock(ptep, *ptlp);\nout:\n\treturn -EINVAL;\n}","static inline int follow_pte(struct mm_struct *mm, unsigned long address,\n\t\t\t pte_t **ptepp, spinlock_t **ptlp)\n{\n\tint res;","\t/* (void) is needed to make gcc happy */\n\t(void) __cond_lock(*ptlp,\n\t\t\t !(res = __follow_pte(mm, address, ptepp, ptlp)));\n\treturn res;\n}","/**\n * follow_pfn - look up PFN at a user virtual address\n * @vma: memory mapping\n * @address: user virtual address\n * @pfn: location to store found PFN\n *\n * Only IO mappings and raw PFN mappings are allowed.\n *\n * Returns zero and the pfn at @pfn on success, -ve otherwise.\n */\nint follow_pfn(struct vm_area_struct *vma, unsigned long address,\n\tunsigned long *pfn)\n{\n\tint ret = -EINVAL;\n\tspinlock_t *ptl;\n\tpte_t *ptep;","\tif (!(vma->vm_flags & (VM_IO | VM_PFNMAP)))\n\t\treturn ret;","\tret = follow_pte(vma->vm_mm, address, &ptep, &ptl);\n\tif (ret)\n\t\treturn ret;\n\t*pfn = pte_pfn(*ptep);\n\tpte_unmap_unlock(ptep, ptl);\n\treturn 0;\n}\nEXPORT_SYMBOL(follow_pfn);","#ifdef CONFIG_HAVE_IOREMAP_PROT\nint follow_phys(struct vm_area_struct *vma,\n\t\tunsigned long address, unsigned int flags,\n\t\tunsigned long *prot, resource_size_t *phys)\n{\n\tint ret = -EINVAL;\n\tpte_t *ptep, pte;\n\tspinlock_t *ptl;","\tif (!(vma->vm_flags & (VM_IO | VM_PFNMAP)))\n\t\tgoto out;","\tif (follow_pte(vma->vm_mm, address, &ptep, &ptl))\n\t\tgoto out;\n\tpte = *ptep;","\tif ((flags & FOLL_WRITE) && !pte_write(pte))\n\t\tgoto unlock;","\t*prot = pgprot_val(pte_pgprot(pte));\n\t*phys = (resource_size_t)pte_pfn(pte) << PAGE_SHIFT;","\tret = 0;\nunlock:\n\tpte_unmap_unlock(ptep, ptl);\nout:\n\treturn ret;\n}","int generic_access_phys(struct vm_area_struct *vma, unsigned long addr,\n\t\t\tvoid *buf, int len, int write)\n{\n\tresource_size_t phys_addr;\n\tunsigned long prot = 0;\n\tvoid __iomem *maddr;\n\tint offset = addr & (PAGE_SIZE-1);","\tif (follow_phys(vma, addr, write, &prot, &phys_addr))\n\t\treturn -EINVAL;","\tmaddr = ioremap_prot(phys_addr, PAGE_SIZE, prot);\n\tif (write)\n\t\tmemcpy_toio(maddr + offset, buf, len);\n\telse\n\t\tmemcpy_fromio(buf, maddr + offset, len);\n\tiounmap(maddr);","\treturn len;\n}\n#endif","/*\n * Access another process' address space as given in mm. If non-NULL, use the\n * given task for page fault accounting.\n */\nstatic int __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm,\n\t\tunsigned long addr, void *buf, int len, int write)\n{\n\tstruct vm_area_struct *vma;\n\tvoid *old_buf = buf;","\tdown_read(&mm->mmap_sem);\n\t/* ignore errors, just check how much was successfully transferred */\n\twhile (len) {\n\t\tint bytes, ret, offset;\n\t\tvoid *maddr;\n\t\tstruct page *page = NULL;","\t\tret = get_user_pages(tsk, mm, addr, 1,\n\t\t\t\twrite, 1, &page, &vma);\n\t\tif (ret <= 0) {\n\t\t\t/*\n\t\t\t * Check if this is a VM_IO | VM_PFNMAP VMA, which\n\t\t\t * we can access using slightly different code.\n\t\t\t */\n#ifdef CONFIG_HAVE_IOREMAP_PROT\n\t\t\tvma = find_vma(mm, addr);\n\t\t\tif (!vma || vma->vm_start > addr)\n\t\t\t\tbreak;\n\t\t\tif (vma->vm_ops && vma->vm_ops->access)\n\t\t\t\tret = vma->vm_ops->access(vma, addr, buf,\n\t\t\t\t\t\t\t len, write);\n\t\t\tif (ret <= 0)\n#endif\n\t\t\t\tbreak;\n\t\t\tbytes = ret;\n\t\t} else {\n\t\t\tbytes = len;\n\t\t\toffset = addr & (PAGE_SIZE-1);\n\t\t\tif (bytes > PAGE_SIZE-offset)\n\t\t\t\tbytes = PAGE_SIZE-offset;","\t\t\tmaddr = kmap(page);\n\t\t\tif (write) {\n\t\t\t\tcopy_to_user_page(vma, page, addr,\n\t\t\t\t\t\t maddr + offset, buf, bytes);\n\t\t\t\tset_page_dirty_lock(page);\n\t\t\t} else {\n\t\t\t\tcopy_from_user_page(vma, page, addr,\n\t\t\t\t\t\t buf, maddr + offset, bytes);\n\t\t\t}\n\t\t\tkunmap(page);\n\t\t\tpage_cache_release(page);\n\t\t}\n\t\tlen -= bytes;\n\t\tbuf += bytes;\n\t\taddr += bytes;\n\t}\n\tup_read(&mm->mmap_sem);","\treturn buf - old_buf;\n}","/**\n * access_remote_vm - access another process' address space\n * @mm:\t\tthe mm_struct of the target address space\n * @addr:\tstart address to access\n * @buf:\tsource or destination buffer\n * @len:\tnumber of bytes to transfer\n * @write:\twhether the access is a write\n *\n * The caller must hold a reference on @mm.\n */\nint access_remote_vm(struct mm_struct *mm, unsigned long addr,\n\t\tvoid *buf, int len, int write)\n{\n\treturn __access_remote_vm(NULL, mm, addr, buf, len, write);\n}","/*\n * Access another process' address space.\n * Source/target buffer must be kernel space,\n * Do not walk the page table directly, use get_user_pages\n */\nint access_process_vm(struct task_struct *tsk, unsigned long addr,\n\t\tvoid *buf, int len, int write)\n{\n\tstruct mm_struct *mm;\n\tint ret;","\tmm = get_task_mm(tsk);\n\tif (!mm)\n\t\treturn 0;","\tret = __access_remote_vm(tsk, mm, addr, buf, len, write);\n\tmmput(mm);","\treturn ret;\n}","/*\n * Print the name of a VMA.\n */\nvoid print_vma_addr(char *prefix, unsigned long ip)\n{\n\tstruct mm_struct *mm = current->mm;\n\tstruct vm_area_struct *vma;","\t/*\n\t * Do not print if we are in atomic\n\t * contexts (in exception stacks, etc.):\n\t */\n\tif (preempt_count())\n\t\treturn;","\tdown_read(&mm->mmap_sem);\n\tvma = find_vma(mm, ip);\n\tif (vma && vma->vm_file) {\n\t\tstruct file *f = vma->vm_file;\n\t\tchar *buf = (char *)__get_free_page(GFP_KERNEL);\n\t\tif (buf) {\n\t\t\tchar *p;","\t\t\tp = d_path(&f->f_path, buf, PAGE_SIZE);\n\t\t\tif (IS_ERR(p))\n\t\t\t\tp = \"?\";\n\t\t\tprintk(\"%s%s[%lx+%lx]\", prefix, kbasename(p),\n\t\t\t\t\tvma->vm_start,\n\t\t\t\t\tvma->vm_end - vma->vm_start);\n\t\t\tfree_page((unsigned long)buf);\n\t\t}\n\t}\n\tup_read(&mm->mmap_sem);\n}","#ifdef CONFIG_PROVE_LOCKING\nvoid might_fault(void)\n{\n\t/*\n\t * Some code (nfs/sunrpc) uses socket ops on kernel memory while\n\t * holding the mmap_sem, this is safe because kernel memory doesn't\n\t * get paged out, therefore we'll never actually fault, and the\n\t * below annotations will generate false positives.\n\t */\n\tif (segment_eq(get_fs(), KERNEL_DS))\n\t\treturn;","\tmight_sleep();\n\t/*\n\t * it would be nicer only to annotate paths which are not under\n\t * pagefault_disable, however that requires a larger audit and\n\t * providing helpers like get_user_atomic.\n\t */\n\tif (!in_atomic() && current->mm)\n\t\tmight_lock_read(¤t->mm->mmap_sem);\n}\nEXPORT_SYMBOL(might_fault);\n#endif","#if defined(CONFIG_TRANSPARENT_HUGEPAGE) || defined(CONFIG_HUGETLBFS)\nstatic void clear_gigantic_page(struct page *page,\n\t\t\t\tunsigned long addr,\n\t\t\t\tunsigned int pages_per_huge_page)\n{\n\tint i;\n\tstruct page *p = page;","\tmight_sleep();\n\tfor (i = 0; i < pages_per_huge_page;\n\t i++, p = mem_map_next(p, page, i)) {\n\t\tcond_resched();\n\t\tclear_user_highpage(p, addr + i * PAGE_SIZE);\n\t}\n}\nvoid clear_huge_page(struct page *page,\n\t\t unsigned long addr, unsigned int pages_per_huge_page)\n{\n\tint i;","\tif (unlikely(pages_per_huge_page > MAX_ORDER_NR_PAGES)) {\n\t\tclear_gigantic_page(page, addr, pages_per_huge_page);\n\t\treturn;\n\t}","\tmight_sleep();\n\tfor (i = 0; i < pages_per_huge_page; i++) {\n\t\tcond_resched();\n\t\tclear_user_highpage(page + i, addr + i * PAGE_SIZE);\n\t}\n}","static void copy_user_gigantic_page(struct page *dst, struct page *src,\n\t\t\t\t unsigned long addr,\n\t\t\t\t struct vm_area_struct *vma,\n\t\t\t\t unsigned int pages_per_huge_page)\n{\n\tint i;\n\tstruct page *dst_base = dst;\n\tstruct page *src_base = src;","\tfor (i = 0; i < pages_per_huge_page; ) {\n\t\tcond_resched();\n\t\tcopy_user_highpage(dst, src, addr + i*PAGE_SIZE, vma);","\t\ti++;\n\t\tdst = mem_map_next(dst, dst_base, i);\n\t\tsrc = mem_map_next(src, src_base, i);\n\t}\n}","void copy_user_huge_page(struct page *dst, struct page *src,\n\t\t\t unsigned long addr, struct vm_area_struct *vma,\n\t\t\t unsigned int pages_per_huge_page)\n{\n\tint i;","\tif (unlikely(pages_per_huge_page > MAX_ORDER_NR_PAGES)) {\n\t\tcopy_user_gigantic_page(dst, src, addr, vma,\n\t\t\t\t\tpages_per_huge_page);\n\t\treturn;\n\t}","\tmight_sleep();\n\tfor (i = 0; i < pages_per_huge_page; i++) {\n\t\tcond_resched();\n\t\tcopy_user_highpage(dst + i, src + i, addr + i*PAGE_SIZE, vma);\n\t}\n}\n#endif /* CONFIG_TRANSPARENT_HUGEPAGE || CONFIG_HUGETLBFS */"],"string":"[\n \"/*\\n * linux/mm/memory.c\\n *\\n * Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds\\n */\",\n \"/*\\n * demand-loading started 01.12.91 - seems it is high on the list of\\n * things wanted, and it should be easy to implement. - Linus\\n */\",\n \"/*\\n * Ok, demand-loading was easy, shared pages a little bit tricker. Shared\\n * pages started 02.12.91, seems to work. - Linus.\\n *\\n * Tested sharing by executing about 30 /bin/sh: under the old kernel it\\n * would have taken more than the 6M I have free, but it worked well as\\n * far as I could see.\\n *\\n * Also corrected some \\\"invalidate()\\\"s - I wasn't doing enough of them.\\n */\",\n \"/*\\n * Real VM (paging to/from disk) started 18.12.91. Much more work and\\n * thought has to go into this. Oh, well..\\n * 19.12.91 - works, somewhat. Sometimes I get faults, don't know why.\\n *\\t\\tFound it. Everything seems to work now.\\n * 20.12.91 - Ok, making the swap-device changeable like the root.\\n */\",\n \"/*\\n * 05.04.94 - Multi-page memory management added for v1.1.\\n * \\t\\tIdea by Alex Bligh (alex@cconcepts.co.uk)\\n *\\n * 16.07.99 - Support of BIGMEM added by Gerhard Wichert, Siemens AG\\n *\\t\\t(Gerhard.Wichert@pdb.siemens.de)\\n *\\n * Aug/Sep 2004 Changed to four level page tables (Andi Kleen)\\n */\",\n \"#include <linux/kernel_stat.h>\\n#include <linux/mm.h>\\n#include <linux/hugetlb.h>\\n#include <linux/mman.h>\\n#include <linux/swap.h>\\n#include <linux/highmem.h>\\n#include <linux/pagemap.h>\\n#include <linux/ksm.h>\\n#include <linux/rmap.h>\\n#include <linux/export.h>\\n#include <linux/delayacct.h>\\n#include <linux/init.h>\\n#include <linux/writeback.h>\\n#include <linux/memcontrol.h>\\n#include <linux/mmu_notifier.h>\\n#include <linux/kallsyms.h>\\n#include <linux/swapops.h>\\n#include <linux/elf.h>\\n#include <linux/gfp.h>\\n#include <linux/migrate.h>\\n#include <linux/string.h>\",\n \"#include <asm/io.h>\\n#include <asm/pgalloc.h>\\n#include <asm/uaccess.h>\\n#include <asm/tlb.h>\\n#include <asm/tlbflush.h>\\n#include <asm/pgtable.h>\",\n \"#include \\\"internal.h\\\"\",\n \"#ifdef LAST_NID_NOT_IN_PAGE_FLAGS\\n#warning Unfortunate NUMA and NUMA Balancing config, growing page-frame for last_nid.\\n#endif\",\n \"#ifndef CONFIG_NEED_MULTIPLE_NODES\\n/* use the per-pgdat data instead for discontigmem - mbligh */\\nunsigned long max_mapnr;\\nstruct page *mem_map;\",\n \"EXPORT_SYMBOL(max_mapnr);\\nEXPORT_SYMBOL(mem_map);\\n#endif\",\n \"unsigned long num_physpages;\\n/*\\n * A number of key systems in x86 including ioremap() rely on the assumption\\n * that high_memory defines the upper bound on direct map memory, then end\\n * of ZONE_NORMAL. Under CONFIG_DISCONTIG this means that max_low_pfn and\\n * highstart_pfn must be the same; there must be no gap between ZONE_NORMAL\\n * and ZONE_HIGHMEM.\\n */\\nvoid * high_memory;\",\n \"EXPORT_SYMBOL(num_physpages);\\nEXPORT_SYMBOL(high_memory);\",\n \"/*\\n * Randomize the address space (stacks, mmaps, brk, etc.).\\n *\\n * ( When CONFIG_COMPAT_BRK=y we exclude brk from randomization,\\n * as ancient (libc5 based) binaries can segfault. )\\n */\\nint randomize_va_space __read_mostly =\\n#ifdef CONFIG_COMPAT_BRK\\n\\t\\t\\t\\t\\t1;\\n#else\\n\\t\\t\\t\\t\\t2;\\n#endif\",\n \"static int __init disable_randmaps(char *s)\\n{\\n\\trandomize_va_space = 0;\\n\\treturn 1;\\n}\\n__setup(\\\"norandmaps\\\", disable_randmaps);\",\n \"unsigned long zero_pfn __read_mostly;\\nunsigned long highest_memmap_pfn __read_mostly;\",\n \"/*\\n * CONFIG_MMU architectures set up ZERO_PAGE in their paging_init()\\n */\\nstatic int __init init_zero_pfn(void)\\n{\\n\\tzero_pfn = page_to_pfn(ZERO_PAGE(0));\\n\\treturn 0;\\n}\\ncore_initcall(init_zero_pfn);\",\n \"\\n#if defined(SPLIT_RSS_COUNTING)\",\n \"void sync_mm_rss(struct mm_struct *mm)\\n{\\n\\tint i;\",\n \"\\tfor (i = 0; i < NR_MM_COUNTERS; i++) {\\n\\t\\tif (current->rss_stat.count[i]) {\\n\\t\\t\\tadd_mm_counter(mm, i, current->rss_stat.count[i]);\\n\\t\\t\\tcurrent->rss_stat.count[i] = 0;\\n\\t\\t}\\n\\t}\\n\\tcurrent->rss_stat.events = 0;\\n}\",\n \"static void add_mm_counter_fast(struct mm_struct *mm, int member, int val)\\n{\\n\\tstruct task_struct *task = current;\",\n \"\\tif (likely(task->mm == mm))\\n\\t\\ttask->rss_stat.count[member] += val;\\n\\telse\\n\\t\\tadd_mm_counter(mm, member, val);\\n}\\n#define inc_mm_counter_fast(mm, member) add_mm_counter_fast(mm, member, 1)\\n#define dec_mm_counter_fast(mm, member) add_mm_counter_fast(mm, member, -1)\",\n \"/* sync counter once per 64 page faults */\\n#define TASK_RSS_EVENTS_THRESH\\t(64)\\nstatic void check_sync_rss_stat(struct task_struct *task)\\n{\\n\\tif (unlikely(task != current))\\n\\t\\treturn;\\n\\tif (unlikely(task->rss_stat.events++ > TASK_RSS_EVENTS_THRESH))\\n\\t\\tsync_mm_rss(task->mm);\\n}\\n#else /* SPLIT_RSS_COUNTING */\",\n \"#define inc_mm_counter_fast(mm, member) inc_mm_counter(mm, member)\\n#define dec_mm_counter_fast(mm, member) dec_mm_counter(mm, member)\",\n \"static void check_sync_rss_stat(struct task_struct *task)\\n{\\n}\",\n \"#endif /* SPLIT_RSS_COUNTING */\",\n \"#ifdef HAVE_GENERIC_MMU_GATHER\",\n \"static int tlb_next_batch(struct mmu_gather *tlb)\\n{\\n\\tstruct mmu_gather_batch *batch;\",\n \"\\tbatch = tlb->active;\\n\\tif (batch->next) {\\n\\t\\ttlb->active = batch->next;\\n\\t\\treturn 1;\\n\\t}\",\n \"\\tif (tlb->batch_count == MAX_GATHER_BATCH_COUNT)\\n\\t\\treturn 0;\",\n \"\\tbatch = (void *)__get_free_pages(GFP_NOWAIT | __GFP_NOWARN, 0);\\n\\tif (!batch)\\n\\t\\treturn 0;\",\n \"\\ttlb->batch_count++;\\n\\tbatch->next = NULL;\\n\\tbatch->nr = 0;\\n\\tbatch->max = MAX_GATHER_BATCH;\",\n \"\\ttlb->active->next = batch;\\n\\ttlb->active = batch;\",\n \"\\treturn 1;\\n}\",\n \"/* tlb_gather_mmu\\n *\\tCalled to initialize an (on-stack) mmu_gather structure for page-table\\n *\\ttear-down from @mm. The @fullmm argument is used when @mm is without\\n *\\tusers and we're going to destroy the full address space (exit/execve).\\n */\\nvoid tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, bool fullmm)\\n{\\n\\ttlb->mm = mm;\",\n \"\\ttlb->fullmm = fullmm;\\n\\ttlb->need_flush_all = 0;\\n\\ttlb->start\\t= -1UL;\\n\\ttlb->end\\t= 0;\\n\\ttlb->need_flush = 0;\\n\\ttlb->fast_mode = (num_possible_cpus() == 1);\\n\\ttlb->local.next = NULL;\\n\\ttlb->local.nr = 0;\\n\\ttlb->local.max = ARRAY_SIZE(tlb->__pages);\\n\\ttlb->active = &tlb->local;\\n\\ttlb->batch_count = 0;\",\n \"#ifdef CONFIG_HAVE_RCU_TABLE_FREE\\n\\ttlb->batch = NULL;\\n#endif\\n}\",\n \"void tlb_flush_mmu(struct mmu_gather *tlb)\\n{\\n\\tstruct mmu_gather_batch *batch;\",\n \"\\tif (!tlb->need_flush)\\n\\t\\treturn;\\n\\ttlb->need_flush = 0;\\n\\ttlb_flush(tlb);\\n#ifdef CONFIG_HAVE_RCU_TABLE_FREE\\n\\ttlb_table_flush(tlb);\\n#endif\",\n \"\\tif (tlb_fast_mode(tlb))\\n\\t\\treturn;\",\n \"\\tfor (batch = &tlb->local; batch; batch = batch->next) {\\n\\t\\tfree_pages_and_swap_cache(batch->pages, batch->nr);\\n\\t\\tbatch->nr = 0;\\n\\t}\\n\\ttlb->active = &tlb->local;\\n}\",\n \"/* tlb_finish_mmu\\n *\\tCalled at the end of the shootdown operation to free up any resources\\n *\\tthat were required.\\n */\\nvoid tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end)\\n{\\n\\tstruct mmu_gather_batch *batch, *next;\",\n \"\\ttlb->start = start;\\n\\ttlb->end = end;\\n\\ttlb_flush_mmu(tlb);\",\n \"\\t/* keep the page table cache within bounds */\\n\\tcheck_pgt_cache();\",\n \"\\tfor (batch = tlb->local.next; batch; batch = next) {\\n\\t\\tnext = batch->next;\\n\\t\\tfree_pages((unsigned long)batch, 0);\\n\\t}\\n\\ttlb->local.next = NULL;\\n}\",\n \"/* __tlb_remove_page\\n *\\tMust perform the equivalent to __free_pte(pte_get_and_clear(ptep)), while\\n *\\thandling the additional races in SMP caused by other CPUs caching valid\\n *\\tmappings in their TLBs. Returns the number of free page slots left.\\n *\\tWhen out of page slots we must call tlb_flush_mmu().\\n */\\nint __tlb_remove_page(struct mmu_gather *tlb, struct page *page)\\n{\\n\\tstruct mmu_gather_batch *batch;\",\n \"\\tVM_BUG_ON(!tlb->need_flush);\",\n \"\\tif (tlb_fast_mode(tlb)) {\\n\\t\\tfree_page_and_swap_cache(page);\\n\\t\\treturn 1; /* avoid calling tlb_flush_mmu() */\\n\\t}\",\n \"\\tbatch = tlb->active;\\n\\tbatch->pages[batch->nr++] = page;\\n\\tif (batch->nr == batch->max) {\\n\\t\\tif (!tlb_next_batch(tlb))\\n\\t\\t\\treturn 0;\\n\\t\\tbatch = tlb->active;\\n\\t}\\n\\tVM_BUG_ON(batch->nr > batch->max);\",\n \"\\treturn batch->max - batch->nr;\\n}\",\n \"#endif /* HAVE_GENERIC_MMU_GATHER */\",\n \"#ifdef CONFIG_HAVE_RCU_TABLE_FREE\",\n \"/*\\n * See the comment near struct mmu_table_batch.\\n */\",\n \"static void tlb_remove_table_smp_sync(void *arg)\\n{\\n\\t/* Simply deliver the interrupt */\\n}\",\n \"static void tlb_remove_table_one(void *table)\\n{\\n\\t/*\\n\\t * This isn't an RCU grace period and hence the page-tables cannot be\\n\\t * assumed to be actually RCU-freed.\\n\\t *\\n\\t * It is however sufficient for software page-table walkers that rely on\\n\\t * IRQ disabling. See the comment near struct mmu_table_batch.\\n\\t */\\n\\tsmp_call_function(tlb_remove_table_smp_sync, NULL, 1);\\n\\t__tlb_remove_table(table);\\n}\",\n \"static void tlb_remove_table_rcu(struct rcu_head *head)\\n{\\n\\tstruct mmu_table_batch *batch;\\n\\tint i;\",\n \"\\tbatch = container_of(head, struct mmu_table_batch, rcu);\",\n \"\\tfor (i = 0; i < batch->nr; i++)\\n\\t\\t__tlb_remove_table(batch->tables[i]);\",\n \"\\tfree_page((unsigned long)batch);\\n}\",\n \"void tlb_table_flush(struct mmu_gather *tlb)\\n{\\n\\tstruct mmu_table_batch **batch = &tlb->batch;\",\n \"\\tif (*batch) {\\n\\t\\tcall_rcu_sched(&(*batch)->rcu, tlb_remove_table_rcu);\\n\\t\\t*batch = NULL;\\n\\t}\\n}\",\n \"void tlb_remove_table(struct mmu_gather *tlb, void *table)\\n{\\n\\tstruct mmu_table_batch **batch = &tlb->batch;\",\n \"\\ttlb->need_flush = 1;\",\n \"\\t/*\\n\\t * When there's less then two users of this mm there cannot be a\\n\\t * concurrent page-table walk.\\n\\t */\\n\\tif (atomic_read(&tlb->mm->mm_users) < 2) {\\n\\t\\t__tlb_remove_table(table);\\n\\t\\treturn;\\n\\t}\",\n \"\\tif (*batch == NULL) {\\n\\t\\t*batch = (struct mmu_table_batch *)__get_free_page(GFP_NOWAIT | __GFP_NOWARN);\\n\\t\\tif (*batch == NULL) {\\n\\t\\t\\ttlb_remove_table_one(table);\\n\\t\\t\\treturn;\\n\\t\\t}\\n\\t\\t(*batch)->nr = 0;\\n\\t}\\n\\t(*batch)->tables[(*batch)->nr++] = table;\\n\\tif ((*batch)->nr == MAX_TABLE_BATCH)\\n\\t\\ttlb_table_flush(tlb);\\n}\",\n \"#endif /* CONFIG_HAVE_RCU_TABLE_FREE */\",\n \"/*\\n * If a p?d_bad entry is found while walking page tables, report\\n * the error, before resetting entry to p?d_none. Usually (but\\n * very seldom) called out from the p?d_none_or_clear_bad macros.\\n */\",\n \"void pgd_clear_bad(pgd_t *pgd)\\n{\\n\\tpgd_ERROR(*pgd);\\n\\tpgd_clear(pgd);\\n}\",\n \"void pud_clear_bad(pud_t *pud)\\n{\\n\\tpud_ERROR(*pud);\\n\\tpud_clear(pud);\\n}\",\n \"void pmd_clear_bad(pmd_t *pmd)\\n{\\n\\tpmd_ERROR(*pmd);\\n\\tpmd_clear(pmd);\\n}\",\n \"/*\\n * Note: this doesn't free the actual pages themselves. That\\n * has been handled earlier when unmapping all the memory regions.\\n */\\nstatic void free_pte_range(struct mmu_gather *tlb, pmd_t *pmd,\\n\\t\\t\\t unsigned long addr)\\n{\\n\\tpgtable_t token = pmd_pgtable(*pmd);\\n\\tpmd_clear(pmd);\\n\\tpte_free_tlb(tlb, token, addr);\\n\\ttlb->mm->nr_ptes--;\\n}\",\n \"static inline void free_pmd_range(struct mmu_gather *tlb, pud_t *pud,\\n\\t\\t\\t\\tunsigned long addr, unsigned long end,\\n\\t\\t\\t\\tunsigned long floor, unsigned long ceiling)\\n{\\n\\tpmd_t *pmd;\\n\\tunsigned long next;\\n\\tunsigned long start;\",\n \"\\tstart = addr;\\n\\tpmd = pmd_offset(pud, addr);\\n\\tdo {\\n\\t\\tnext = pmd_addr_end(addr, end);\\n\\t\\tif (pmd_none_or_clear_bad(pmd))\\n\\t\\t\\tcontinue;\\n\\t\\tfree_pte_range(tlb, pmd, addr);\\n\\t} while (pmd++, addr = next, addr != end);\",\n \"\\tstart &= PUD_MASK;\\n\\tif (start < floor)\\n\\t\\treturn;\\n\\tif (ceiling) {\\n\\t\\tceiling &= PUD_MASK;\\n\\t\\tif (!ceiling)\\n\\t\\t\\treturn;\\n\\t}\\n\\tif (end - 1 > ceiling - 1)\\n\\t\\treturn;\",\n \"\\tpmd = pmd_offset(pud, start);\\n\\tpud_clear(pud);\\n\\tpmd_free_tlb(tlb, pmd, start);\\n}\",\n \"static inline void free_pud_range(struct mmu_gather *tlb, pgd_t *pgd,\\n\\t\\t\\t\\tunsigned long addr, unsigned long end,\\n\\t\\t\\t\\tunsigned long floor, unsigned long ceiling)\\n{\\n\\tpud_t *pud;\\n\\tunsigned long next;\\n\\tunsigned long start;\",\n \"\\tstart = addr;\\n\\tpud = pud_offset(pgd, addr);\\n\\tdo {\\n\\t\\tnext = pud_addr_end(addr, end);\\n\\t\\tif (pud_none_or_clear_bad(pud))\\n\\t\\t\\tcontinue;\\n\\t\\tfree_pmd_range(tlb, pud, addr, next, floor, ceiling);\\n\\t} while (pud++, addr = next, addr != end);\",\n \"\\tstart &= PGDIR_MASK;\\n\\tif (start < floor)\\n\\t\\treturn;\\n\\tif (ceiling) {\\n\\t\\tceiling &= PGDIR_MASK;\\n\\t\\tif (!ceiling)\\n\\t\\t\\treturn;\\n\\t}\\n\\tif (end - 1 > ceiling - 1)\\n\\t\\treturn;\",\n \"\\tpud = pud_offset(pgd, start);\\n\\tpgd_clear(pgd);\\n\\tpud_free_tlb(tlb, pud, start);\\n}\",\n \"/*\\n * This function frees user-level page tables of a process.\\n *\\n * Must be called with pagetable lock held.\\n */\\nvoid free_pgd_range(struct mmu_gather *tlb,\\n\\t\\t\\tunsigned long addr, unsigned long end,\\n\\t\\t\\tunsigned long floor, unsigned long ceiling)\\n{\\n\\tpgd_t *pgd;\\n\\tunsigned long next;\",\n \"\\t/*\\n\\t * The next few lines have given us lots of grief...\\n\\t *\\n\\t * Why are we testing PMD* at this top level? Because often\\n\\t * there will be no work to do at all, and we'd prefer not to\\n\\t * go all the way down to the bottom just to discover that.\\n\\t *\\n\\t * Why all these \\\"- 1\\\"s? Because 0 represents both the bottom\\n\\t * of the address space and the top of it (using -1 for the\\n\\t * top wouldn't help much: the masks would do the wrong thing).\\n\\t * The rule is that addr 0 and floor 0 refer to the bottom of\\n\\t * the address space, but end 0 and ceiling 0 refer to the top\\n\\t * Comparisons need to use \\\"end - 1\\\" and \\\"ceiling - 1\\\" (though\\n\\t * that end 0 case should be mythical).\\n\\t *\\n\\t * Wherever addr is brought up or ceiling brought down, we must\\n\\t * be careful to reject \\\"the opposite 0\\\" before it confuses the\\n\\t * subsequent tests. But what about where end is brought down\\n\\t * by PMD_SIZE below? no, end can't go down to 0 there.\\n\\t *\\n\\t * Whereas we round start (addr) and ceiling down, by different\\n\\t * masks at different levels, in order to test whether a table\\n\\t * now has no other vmas using it, so can be freed, we don't\\n\\t * bother to round floor or end up - the tests don't need that.\\n\\t */\",\n \"\\taddr &= PMD_MASK;\\n\\tif (addr < floor) {\\n\\t\\taddr += PMD_SIZE;\\n\\t\\tif (!addr)\\n\\t\\t\\treturn;\\n\\t}\\n\\tif (ceiling) {\\n\\t\\tceiling &= PMD_MASK;\\n\\t\\tif (!ceiling)\\n\\t\\t\\treturn;\\n\\t}\\n\\tif (end - 1 > ceiling - 1)\\n\\t\\tend -= PMD_SIZE;\\n\\tif (addr > end - 1)\\n\\t\\treturn;\",\n \"\\tpgd = pgd_offset(tlb->mm, addr);\\n\\tdo {\\n\\t\\tnext = pgd_addr_end(addr, end);\\n\\t\\tif (pgd_none_or_clear_bad(pgd))\\n\\t\\t\\tcontinue;\\n\\t\\tfree_pud_range(tlb, pgd, addr, next, floor, ceiling);\\n\\t} while (pgd++, addr = next, addr != end);\\n}\",\n \"void free_pgtables(struct mmu_gather *tlb, struct vm_area_struct *vma,\\n\\t\\tunsigned long floor, unsigned long ceiling)\\n{\\n\\twhile (vma) {\\n\\t\\tstruct vm_area_struct *next = vma->vm_next;\\n\\t\\tunsigned long addr = vma->vm_start;\",\n \"\\t\\t/*\\n\\t\\t * Hide vma from rmap and truncate_pagecache before freeing\\n\\t\\t * pgtables\\n\\t\\t */\\n\\t\\tunlink_anon_vmas(vma);\\n\\t\\tunlink_file_vma(vma);\",\n \"\\t\\tif (is_vm_hugetlb_page(vma)) {\\n\\t\\t\\thugetlb_free_pgd_range(tlb, addr, vma->vm_end,\\n\\t\\t\\t\\tfloor, next? next->vm_start: ceiling);\\n\\t\\t} else {\\n\\t\\t\\t/*\\n\\t\\t\\t * Optimization: gather nearby vmas into one call down\\n\\t\\t\\t */\\n\\t\\t\\twhile (next && next->vm_start <= vma->vm_end + PMD_SIZE\\n\\t\\t\\t && !is_vm_hugetlb_page(next)) {\\n\\t\\t\\t\\tvma = next;\\n\\t\\t\\t\\tnext = vma->vm_next;\\n\\t\\t\\t\\tunlink_anon_vmas(vma);\\n\\t\\t\\t\\tunlink_file_vma(vma);\\n\\t\\t\\t}\\n\\t\\t\\tfree_pgd_range(tlb, addr, vma->vm_end,\\n\\t\\t\\t\\tfloor, next? next->vm_start: ceiling);\\n\\t\\t}\\n\\t\\tvma = next;\\n\\t}\\n}\",\n \"int __pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma,\\n\\t\\tpmd_t *pmd, unsigned long address)\\n{\\n\\tpgtable_t new = pte_alloc_one(mm, address);\\n\\tint wait_split_huge_page;\\n\\tif (!new)\\n\\t\\treturn -ENOMEM;\",\n \"\\t/*\\n\\t * Ensure all pte setup (eg. pte page lock and page clearing) are\\n\\t * visible before the pte is made visible to other CPUs by being\\n\\t * put into page tables.\\n\\t *\\n\\t * The other side of the story is the pointer chasing in the page\\n\\t * table walking code (when walking the page table without locking;\\n\\t * ie. most of the time). Fortunately, these data accesses consist\\n\\t * of a chain of data-dependent loads, meaning most CPUs (alpha\\n\\t * being the notable exception) will already guarantee loads are\\n\\t * seen in-order. See the alpha page table accessors for the\\n\\t * smp_read_barrier_depends() barriers in page table walking code.\\n\\t */\\n\\tsmp_wmb(); /* Could be smp_wmb__xxx(before|after)_spin_lock */\",\n \"\\tspin_lock(&mm->page_table_lock);\\n\\twait_split_huge_page = 0;\\n\\tif (likely(pmd_none(*pmd))) {\\t/* Has another populated it ? */\\n\\t\\tmm->nr_ptes++;\\n\\t\\tpmd_populate(mm, pmd, new);\\n\\t\\tnew = NULL;\\n\\t} else if (unlikely(pmd_trans_splitting(*pmd)))\\n\\t\\twait_split_huge_page = 1;\\n\\tspin_unlock(&mm->page_table_lock);\\n\\tif (new)\\n\\t\\tpte_free(mm, new);\\n\\tif (wait_split_huge_page)\\n\\t\\twait_split_huge_page(vma->anon_vma, pmd);\\n\\treturn 0;\\n}\",\n \"int __pte_alloc_kernel(pmd_t *pmd, unsigned long address)\\n{\\n\\tpte_t *new = pte_alloc_one_kernel(&init_mm, address);\\n\\tif (!new)\\n\\t\\treturn -ENOMEM;\",\n \"\\tsmp_wmb(); /* See comment in __pte_alloc */\",\n \"\\tspin_lock(&init_mm.page_table_lock);\\n\\tif (likely(pmd_none(*pmd))) {\\t/* Has another populated it ? */\\n\\t\\tpmd_populate_kernel(&init_mm, pmd, new);\\n\\t\\tnew = NULL;\\n\\t} else\\n\\t\\tVM_BUG_ON(pmd_trans_splitting(*pmd));\\n\\tspin_unlock(&init_mm.page_table_lock);\\n\\tif (new)\\n\\t\\tpte_free_kernel(&init_mm, new);\\n\\treturn 0;\\n}\",\n \"static inline void init_rss_vec(int *rss)\\n{\\n\\tmemset(rss, 0, sizeof(int) * NR_MM_COUNTERS);\\n}\",\n \"static inline void add_mm_rss_vec(struct mm_struct *mm, int *rss)\\n{\\n\\tint i;\",\n \"\\tif (current->mm == mm)\\n\\t\\tsync_mm_rss(mm);\\n\\tfor (i = 0; i < NR_MM_COUNTERS; i++)\\n\\t\\tif (rss[i])\\n\\t\\t\\tadd_mm_counter(mm, i, rss[i]);\\n}\",\n \"/*\\n * This function is called to print an error when a bad pte\\n * is found. For example, we might have a PFN-mapped pte in\\n * a region that doesn't allow it.\\n *\\n * The calling function must still handle the error.\\n */\\nstatic void print_bad_pte(struct vm_area_struct *vma, unsigned long addr,\\n\\t\\t\\t pte_t pte, struct page *page)\\n{\\n\\tpgd_t *pgd = pgd_offset(vma->vm_mm, addr);\\n\\tpud_t *pud = pud_offset(pgd, addr);\\n\\tpmd_t *pmd = pmd_offset(pud, addr);\\n\\tstruct address_space *mapping;\\n\\tpgoff_t index;\\n\\tstatic unsigned long resume;\\n\\tstatic unsigned long nr_shown;\\n\\tstatic unsigned long nr_unshown;\",\n \"\\t/*\\n\\t * Allow a burst of 60 reports, then keep quiet for that minute;\\n\\t * or allow a steady drip of one report per second.\\n\\t */\\n\\tif (nr_shown == 60) {\\n\\t\\tif (time_before(jiffies, resume)) {\\n\\t\\t\\tnr_unshown++;\\n\\t\\t\\treturn;\\n\\t\\t}\\n\\t\\tif (nr_unshown) {\\n\\t\\t\\tprintk(KERN_ALERT\\n\\t\\t\\t\\t\\\"BUG: Bad page map: %lu messages suppressed\\\\n\\\",\\n\\t\\t\\t\\tnr_unshown);\\n\\t\\t\\tnr_unshown = 0;\\n\\t\\t}\\n\\t\\tnr_shown = 0;\\n\\t}\\n\\tif (nr_shown++ == 0)\\n\\t\\tresume = jiffies + 60 * HZ;\",\n \"\\tmapping = vma->vm_file ? vma->vm_file->f_mapping : NULL;\\n\\tindex = linear_page_index(vma, addr);\",\n \"\\tprintk(KERN_ALERT\\n\\t\\t\\\"BUG: Bad page map in process %s pte:%08llx pmd:%08llx\\\\n\\\",\\n\\t\\tcurrent->comm,\\n\\t\\t(long long)pte_val(pte), (long long)pmd_val(*pmd));\\n\\tif (page)\\n\\t\\tdump_page(page);\\n\\tprintk(KERN_ALERT\\n\\t\\t\\\"addr:%p vm_flags:%08lx anon_vma:%p mapping:%p index:%lx\\\\n\\\",\\n\\t\\t(void *)addr, vma->vm_flags, vma->anon_vma, mapping, index);\\n\\t/*\\n\\t * Choose text because data symbols depend on CONFIG_KALLSYMS_ALL=y\\n\\t */\\n\\tif (vma->vm_ops)\\n\\t\\tprint_symbol(KERN_ALERT \\\"vma->vm_ops->fault: %s\\\\n\\\",\\n\\t\\t\\t\\t(unsigned long)vma->vm_ops->fault);\\n\\tif (vma->vm_file && vma->vm_file->f_op)\\n\\t\\tprint_symbol(KERN_ALERT \\\"vma->vm_file->f_op->mmap: %s\\\\n\\\",\\n\\t\\t\\t\\t(unsigned long)vma->vm_file->f_op->mmap);\\n\\tdump_stack();\\n\\tadd_taint(TAINT_BAD_PAGE, LOCKDEP_NOW_UNRELIABLE);\\n}\",\n \"static inline bool is_cow_mapping(vm_flags_t flags)\\n{\\n\\treturn (flags & (VM_SHARED | VM_MAYWRITE)) == VM_MAYWRITE;\\n}\",\n \"/*\\n * vm_normal_page -- This function gets the \\\"struct page\\\" associated with a pte.\\n *\\n * \\\"Special\\\" mappings do not wish to be associated with a \\\"struct page\\\" (either\\n * it doesn't exist, or it exists but they don't want to touch it). In this\\n * case, NULL is returned here. \\\"Normal\\\" mappings do have a struct page.\\n *\\n * There are 2 broad cases. Firstly, an architecture may define a pte_special()\\n * pte bit, in which case this function is trivial. Secondly, an architecture\\n * may not have a spare pte bit, which requires a more complicated scheme,\\n * described below.\\n *\\n * A raw VM_PFNMAP mapping (ie. one that is not COWed) is always considered a\\n * special mapping (even if there are underlying and valid \\\"struct pages\\\").\\n * COWed pages of a VM_PFNMAP are always normal.\\n *\\n * The way we recognize COWed pages within VM_PFNMAP mappings is through the\\n * rules set up by \\\"remap_pfn_range()\\\": the vma will have the VM_PFNMAP bit\\n * set, and the vm_pgoff will point to the first PFN mapped: thus every special\\n * mapping will always honor the rule\\n *\\n *\\tpfn_of_page == vma->vm_pgoff + ((addr - vma->vm_start) >> PAGE_SHIFT)\\n *\\n * And for normal mappings this is false.\\n *\\n * This restricts such mappings to be a linear translation from virtual address\\n * to pfn. To get around this restriction, we allow arbitrary mappings so long\\n * as the vma is not a COW mapping; in that case, we know that all ptes are\\n * special (because none can have been COWed).\\n *\\n *\\n * In order to support COW of arbitrary special mappings, we have VM_MIXEDMAP.\\n *\\n * VM_MIXEDMAP mappings can likewise contain memory with or without \\\"struct\\n * page\\\" backing, however the difference is that _all_ pages with a struct\\n * page (that is, those where pfn_valid is true) are refcounted and considered\\n * normal pages by the VM. The disadvantage is that pages are refcounted\\n * (which can be slower and simply not an option for some PFNMAP users). The\\n * advantage is that we don't have to follow the strict linearity rule of\\n * PFNMAP mappings in order to support COWable mappings.\\n *\\n */\\n#ifdef __HAVE_ARCH_PTE_SPECIAL\\n# define HAVE_PTE_SPECIAL 1\\n#else\\n# define HAVE_PTE_SPECIAL 0\\n#endif\\nstruct page *vm_normal_page(struct vm_area_struct *vma, unsigned long addr,\\n\\t\\t\\t\\tpte_t pte)\\n{\\n\\tunsigned long pfn = pte_pfn(pte);\",\n \"\\tif (HAVE_PTE_SPECIAL) {\\n\\t\\tif (likely(!pte_special(pte)))\\n\\t\\t\\tgoto check_pfn;\\n\\t\\tif (vma->vm_flags & (VM_PFNMAP | VM_MIXEDMAP))\\n\\t\\t\\treturn NULL;\\n\\t\\tif (!is_zero_pfn(pfn))\\n\\t\\t\\tprint_bad_pte(vma, addr, pte, NULL);\\n\\t\\treturn NULL;\\n\\t}\",\n \"\\t/* !HAVE_PTE_SPECIAL case follows: */\",\n \"\\tif (unlikely(vma->vm_flags & (VM_PFNMAP|VM_MIXEDMAP))) {\\n\\t\\tif (vma->vm_flags & VM_MIXEDMAP) {\\n\\t\\t\\tif (!pfn_valid(pfn))\\n\\t\\t\\t\\treturn NULL;\\n\\t\\t\\tgoto out;\\n\\t\\t} else {\\n\\t\\t\\tunsigned long off;\\n\\t\\t\\toff = (addr - vma->vm_start) >> PAGE_SHIFT;\\n\\t\\t\\tif (pfn == vma->vm_pgoff + off)\\n\\t\\t\\t\\treturn NULL;\\n\\t\\t\\tif (!is_cow_mapping(vma->vm_flags))\\n\\t\\t\\t\\treturn NULL;\\n\\t\\t}\\n\\t}\",\n \"\\tif (is_zero_pfn(pfn))\\n\\t\\treturn NULL;\\ncheck_pfn:\\n\\tif (unlikely(pfn > highest_memmap_pfn)) {\\n\\t\\tprint_bad_pte(vma, addr, pte, NULL);\\n\\t\\treturn NULL;\\n\\t}\",\n \"\\t/*\\n\\t * NOTE! We still have PageReserved() pages in the page tables.\\n\\t * eg. VDSO mappings can cause them to exist.\\n\\t */\\nout:\\n\\treturn pfn_to_page(pfn);\\n}\",\n \"/*\\n * copy one vm_area from one task to the other. Assumes the page tables\\n * already present in the new task to be cleared in the whole range\\n * covered by this vma.\\n */\",\n \"static inline unsigned long\\ncopy_one_pte(struct mm_struct *dst_mm, struct mm_struct *src_mm,\\n\\t\\tpte_t *dst_pte, pte_t *src_pte, struct vm_area_struct *vma,\\n\\t\\tunsigned long addr, int *rss)\\n{\\n\\tunsigned long vm_flags = vma->vm_flags;\\n\\tpte_t pte = *src_pte;\\n\\tstruct page *page;\",\n \"\\t/* pte contains position in swap or file, so copy. */\\n\\tif (unlikely(!pte_present(pte))) {\\n\\t\\tif (!pte_file(pte)) {\\n\\t\\t\\tswp_entry_t entry = pte_to_swp_entry(pte);\",\n \"\\t\\t\\tif (swap_duplicate(entry) < 0)\\n\\t\\t\\t\\treturn entry.val;\",\n \"\\t\\t\\t/* make sure dst_mm is on swapoff's mmlist. */\\n\\t\\t\\tif (unlikely(list_empty(&dst_mm->mmlist))) {\\n\\t\\t\\t\\tspin_lock(&mmlist_lock);\\n\\t\\t\\t\\tif (list_empty(&dst_mm->mmlist))\\n\\t\\t\\t\\t\\tlist_add(&dst_mm->mmlist,\\n\\t\\t\\t\\t\\t\\t &src_mm->mmlist);\\n\\t\\t\\t\\tspin_unlock(&mmlist_lock);\\n\\t\\t\\t}\\n\\t\\t\\tif (likely(!non_swap_entry(entry)))\\n\\t\\t\\t\\trss[MM_SWAPENTS]++;\\n\\t\\t\\telse if (is_migration_entry(entry)) {\\n\\t\\t\\t\\tpage = migration_entry_to_page(entry);\",\n \"\\t\\t\\t\\tif (PageAnon(page))\\n\\t\\t\\t\\t\\trss[MM_ANONPAGES]++;\\n\\t\\t\\t\\telse\\n\\t\\t\\t\\t\\trss[MM_FILEPAGES]++;\",\n \"\\t\\t\\t\\tif (is_write_migration_entry(entry) &&\\n\\t\\t\\t\\t is_cow_mapping(vm_flags)) {\\n\\t\\t\\t\\t\\t/*\\n\\t\\t\\t\\t\\t * COW mappings require pages in both\\n\\t\\t\\t\\t\\t * parent and child to be set to read.\\n\\t\\t\\t\\t\\t */\\n\\t\\t\\t\\t\\tmake_migration_entry_read(&entry);\\n\\t\\t\\t\\t\\tpte = swp_entry_to_pte(entry);\\n\\t\\t\\t\\t\\tset_pte_at(src_mm, addr, src_pte, pte);\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\tgoto out_set_pte;\\n\\t}\",\n \"\\t/*\\n\\t * If it's a COW mapping, write protect it both\\n\\t * in the parent and the child\\n\\t */\\n\\tif (is_cow_mapping(vm_flags)) {\\n\\t\\tptep_set_wrprotect(src_mm, addr, src_pte);\\n\\t\\tpte = pte_wrprotect(pte);\\n\\t}\",\n \"\\t/*\\n\\t * If it's a shared mapping, mark it clean in\\n\\t * the child\\n\\t */\\n\\tif (vm_flags & VM_SHARED)\\n\\t\\tpte = pte_mkclean(pte);\\n\\tpte = pte_mkold(pte);\",\n \"\\tpage = vm_normal_page(vma, addr, pte);\\n\\tif (page) {\\n\\t\\tget_page(page);\\n\\t\\tpage_dup_rmap(page);\\n\\t\\tif (PageAnon(page))\\n\\t\\t\\trss[MM_ANONPAGES]++;\\n\\t\\telse\\n\\t\\t\\trss[MM_FILEPAGES]++;\\n\\t}\",\n \"out_set_pte:\\n\\tset_pte_at(dst_mm, addr, dst_pte, pte);\\n\\treturn 0;\\n}\",\n \"int copy_pte_range(struct mm_struct *dst_mm, struct mm_struct *src_mm,\\n\\t\\t pmd_t *dst_pmd, pmd_t *src_pmd, struct vm_area_struct *vma,\\n\\t\\t unsigned long addr, unsigned long end)\\n{\\n\\tpte_t *orig_src_pte, *orig_dst_pte;\\n\\tpte_t *src_pte, *dst_pte;\\n\\tspinlock_t *src_ptl, *dst_ptl;\\n\\tint progress = 0;\\n\\tint rss[NR_MM_COUNTERS];\\n\\tswp_entry_t entry = (swp_entry_t){0};\",\n \"again:\\n\\tinit_rss_vec(rss);\",\n \"\\tdst_pte = pte_alloc_map_lock(dst_mm, dst_pmd, addr, &dst_ptl);\\n\\tif (!dst_pte)\\n\\t\\treturn -ENOMEM;\\n\\tsrc_pte = pte_offset_map(src_pmd, addr);\\n\\tsrc_ptl = pte_lockptr(src_mm, src_pmd);\\n\\tspin_lock_nested(src_ptl, SINGLE_DEPTH_NESTING);\\n\\torig_src_pte = src_pte;\\n\\torig_dst_pte = dst_pte;\\n\\tarch_enter_lazy_mmu_mode();\",\n \"\\tdo {\\n\\t\\t/*\\n\\t\\t * We are holding two locks at this point - either of them\\n\\t\\t * could generate latencies in another task on another CPU.\\n\\t\\t */\\n\\t\\tif (progress >= 32) {\\n\\t\\t\\tprogress = 0;\\n\\t\\t\\tif (need_resched() ||\\n\\t\\t\\t spin_needbreak(src_ptl) || spin_needbreak(dst_ptl))\\n\\t\\t\\t\\tbreak;\\n\\t\\t}\\n\\t\\tif (pte_none(*src_pte)) {\\n\\t\\t\\tprogress++;\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\tentry.val = copy_one_pte(dst_mm, src_mm, dst_pte, src_pte,\\n\\t\\t\\t\\t\\t\\t\\tvma, addr, rss);\\n\\t\\tif (entry.val)\\n\\t\\t\\tbreak;\\n\\t\\tprogress += 8;\\n\\t} while (dst_pte++, src_pte++, addr += PAGE_SIZE, addr != end);\",\n \"\\tarch_leave_lazy_mmu_mode();\\n\\tspin_unlock(src_ptl);\\n\\tpte_unmap(orig_src_pte);\\n\\tadd_mm_rss_vec(dst_mm, rss);\\n\\tpte_unmap_unlock(orig_dst_pte, dst_ptl);\\n\\tcond_resched();\",\n \"\\tif (entry.val) {\\n\\t\\tif (add_swap_count_continuation(entry, GFP_KERNEL) < 0)\\n\\t\\t\\treturn -ENOMEM;\\n\\t\\tprogress = 0;\\n\\t}\\n\\tif (addr != end)\\n\\t\\tgoto again;\\n\\treturn 0;\\n}\",\n \"static inline int copy_pmd_range(struct mm_struct *dst_mm, struct mm_struct *src_mm,\\n\\t\\tpud_t *dst_pud, pud_t *src_pud, struct vm_area_struct *vma,\\n\\t\\tunsigned long addr, unsigned long end)\\n{\\n\\tpmd_t *src_pmd, *dst_pmd;\\n\\tunsigned long next;\",\n \"\\tdst_pmd = pmd_alloc(dst_mm, dst_pud, addr);\\n\\tif (!dst_pmd)\\n\\t\\treturn -ENOMEM;\\n\\tsrc_pmd = pmd_offset(src_pud, addr);\\n\\tdo {\\n\\t\\tnext = pmd_addr_end(addr, end);\\n\\t\\tif (pmd_trans_huge(*src_pmd)) {\\n\\t\\t\\tint err;\\n\\t\\t\\tVM_BUG_ON(next-addr != HPAGE_PMD_SIZE);\\n\\t\\t\\terr = copy_huge_pmd(dst_mm, src_mm,\\n\\t\\t\\t\\t\\t dst_pmd, src_pmd, addr, vma);\\n\\t\\t\\tif (err == -ENOMEM)\\n\\t\\t\\t\\treturn -ENOMEM;\\n\\t\\t\\tif (!err)\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t/* fall through */\\n\\t\\t}\\n\\t\\tif (pmd_none_or_clear_bad(src_pmd))\\n\\t\\t\\tcontinue;\\n\\t\\tif (copy_pte_range(dst_mm, src_mm, dst_pmd, src_pmd,\\n\\t\\t\\t\\t\\t\\tvma, addr, next))\\n\\t\\t\\treturn -ENOMEM;\\n\\t} while (dst_pmd++, src_pmd++, addr = next, addr != end);\\n\\treturn 0;\\n}\",\n \"static inline int copy_pud_range(struct mm_struct *dst_mm, struct mm_struct *src_mm,\\n\\t\\tpgd_t *dst_pgd, pgd_t *src_pgd, struct vm_area_struct *vma,\\n\\t\\tunsigned long addr, unsigned long end)\\n{\\n\\tpud_t *src_pud, *dst_pud;\\n\\tunsigned long next;\",\n \"\\tdst_pud = pud_alloc(dst_mm, dst_pgd, addr);\\n\\tif (!dst_pud)\\n\\t\\treturn -ENOMEM;\\n\\tsrc_pud = pud_offset(src_pgd, addr);\\n\\tdo {\\n\\t\\tnext = pud_addr_end(addr, end);\\n\\t\\tif (pud_none_or_clear_bad(src_pud))\\n\\t\\t\\tcontinue;\\n\\t\\tif (copy_pmd_range(dst_mm, src_mm, dst_pud, src_pud,\\n\\t\\t\\t\\t\\t\\tvma, addr, next))\\n\\t\\t\\treturn -ENOMEM;\\n\\t} while (dst_pud++, src_pud++, addr = next, addr != end);\\n\\treturn 0;\\n}\",\n \"int copy_page_range(struct mm_struct *dst_mm, struct mm_struct *src_mm,\\n\\t\\tstruct vm_area_struct *vma)\\n{\\n\\tpgd_t *src_pgd, *dst_pgd;\\n\\tunsigned long next;\\n\\tunsigned long addr = vma->vm_start;\\n\\tunsigned long end = vma->vm_end;\\n\\tunsigned long mmun_start;\\t/* For mmu_notifiers */\\n\\tunsigned long mmun_end;\\t\\t/* For mmu_notifiers */\\n\\tbool is_cow;\\n\\tint ret;\",\n \"\\t/*\\n\\t * Don't copy ptes where a page fault will fill them correctly.\\n\\t * Fork becomes much lighter when there are big shared or private\\n\\t * readonly mappings. The tradeoff is that copy_page_range is more\\n\\t * efficient than faulting.\\n\\t */\\n\\tif (!(vma->vm_flags & (VM_HUGETLB | VM_NONLINEAR |\\n\\t\\t\\t VM_PFNMAP | VM_MIXEDMAP))) {\\n\\t\\tif (!vma->anon_vma)\\n\\t\\t\\treturn 0;\\n\\t}\",\n \"\\tif (is_vm_hugetlb_page(vma))\\n\\t\\treturn copy_hugetlb_page_range(dst_mm, src_mm, vma);\",\n \"\\tif (unlikely(vma->vm_flags & VM_PFNMAP)) {\\n\\t\\t/*\\n\\t\\t * We do not free on error cases below as remove_vma\\n\\t\\t * gets called on error from higher level routine\\n\\t\\t */\\n\\t\\tret = track_pfn_copy(vma);\\n\\t\\tif (ret)\\n\\t\\t\\treturn ret;\\n\\t}\",\n \"\\t/*\\n\\t * We need to invalidate the secondary MMU mappings only when\\n\\t * there could be a permission downgrade on the ptes of the\\n\\t * parent mm. And a permission downgrade will only happen if\\n\\t * is_cow_mapping() returns true.\\n\\t */\\n\\tis_cow = is_cow_mapping(vma->vm_flags);\\n\\tmmun_start = addr;\\n\\tmmun_end = end;\\n\\tif (is_cow)\\n\\t\\tmmu_notifier_invalidate_range_start(src_mm, mmun_start,\\n\\t\\t\\t\\t\\t\\t mmun_end);\",\n \"\\tret = 0;\\n\\tdst_pgd = pgd_offset(dst_mm, addr);\\n\\tsrc_pgd = pgd_offset(src_mm, addr);\\n\\tdo {\\n\\t\\tnext = pgd_addr_end(addr, end);\\n\\t\\tif (pgd_none_or_clear_bad(src_pgd))\\n\\t\\t\\tcontinue;\\n\\t\\tif (unlikely(copy_pud_range(dst_mm, src_mm, dst_pgd, src_pgd,\\n\\t\\t\\t\\t\\t vma, addr, next))) {\\n\\t\\t\\tret = -ENOMEM;\\n\\t\\t\\tbreak;\\n\\t\\t}\\n\\t} while (dst_pgd++, src_pgd++, addr = next, addr != end);\",\n \"\\tif (is_cow)\\n\\t\\tmmu_notifier_invalidate_range_end(src_mm, mmun_start, mmun_end);\\n\\treturn ret;\\n}\",\n \"static unsigned long zap_pte_range(struct mmu_gather *tlb,\\n\\t\\t\\t\\tstruct vm_area_struct *vma, pmd_t *pmd,\\n\\t\\t\\t\\tunsigned long addr, unsigned long end,\\n\\t\\t\\t\\tstruct zap_details *details)\\n{\\n\\tstruct mm_struct *mm = tlb->mm;\\n\\tint force_flush = 0;\\n\\tint rss[NR_MM_COUNTERS];\\n\\tspinlock_t *ptl;\\n\\tpte_t *start_pte;\\n\\tpte_t *pte;\",\n \"again:\\n\\tinit_rss_vec(rss);\\n\\tstart_pte = pte_offset_map_lock(mm, pmd, addr, &ptl);\\n\\tpte = start_pte;\\n\\tarch_enter_lazy_mmu_mode();\\n\\tdo {\\n\\t\\tpte_t ptent = *pte;\\n\\t\\tif (pte_none(ptent)) {\\n\\t\\t\\tcontinue;\\n\\t\\t}\",\n \"\\t\\tif (pte_present(ptent)) {\\n\\t\\t\\tstruct page *page;\",\n \"\\t\\t\\tpage = vm_normal_page(vma, addr, ptent);\\n\\t\\t\\tif (unlikely(details) && page) {\\n\\t\\t\\t\\t/*\\n\\t\\t\\t\\t * unmap_shared_mapping_pages() wants to\\n\\t\\t\\t\\t * invalidate cache without truncating:\\n\\t\\t\\t\\t * unmap shared but keep private pages.\\n\\t\\t\\t\\t */\\n\\t\\t\\t\\tif (details->check_mapping &&\\n\\t\\t\\t\\t details->check_mapping != page->mapping)\\n\\t\\t\\t\\t\\tcontinue;\\n\\t\\t\\t\\t/*\\n\\t\\t\\t\\t * Each page->index must be checked when\\n\\t\\t\\t\\t * invalidating or truncating nonlinear.\\n\\t\\t\\t\\t */\\n\\t\\t\\t\\tif (details->nonlinear_vma &&\\n\\t\\t\\t\\t (page->index < details->first_index ||\\n\\t\\t\\t\\t page->index > details->last_index))\\n\\t\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\tptent = ptep_get_and_clear_full(mm, addr, pte,\\n\\t\\t\\t\\t\\t\\t\\ttlb->fullmm);\\n\\t\\t\\ttlb_remove_tlb_entry(tlb, pte, addr);\\n\\t\\t\\tif (unlikely(!page))\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\tif (unlikely(details) && details->nonlinear_vma\\n\\t\\t\\t && linear_page_index(details->nonlinear_vma,\\n\\t\\t\\t\\t\\t\\taddr) != page->index)\\n\\t\\t\\t\\tset_pte_at(mm, addr, pte,\\n\\t\\t\\t\\t\\t pgoff_to_pte(page->index));\\n\\t\\t\\tif (PageAnon(page))\\n\\t\\t\\t\\trss[MM_ANONPAGES]--;\\n\\t\\t\\telse {\\n\\t\\t\\t\\tif (pte_dirty(ptent))\\n\\t\\t\\t\\t\\tset_page_dirty(page);\\n\\t\\t\\t\\tif (pte_young(ptent) &&\\n\\t\\t\\t\\t likely(!VM_SequentialReadHint(vma)))\\n\\t\\t\\t\\t\\tmark_page_accessed(page);\\n\\t\\t\\t\\trss[MM_FILEPAGES]--;\\n\\t\\t\\t}\\n\\t\\t\\tpage_remove_rmap(page);\\n\\t\\t\\tif (unlikely(page_mapcount(page) < 0))\\n\\t\\t\\t\\tprint_bad_pte(vma, addr, ptent, page);\\n\\t\\t\\tforce_flush = !__tlb_remove_page(tlb, page);\\n\\t\\t\\tif (force_flush)\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\t/*\\n\\t\\t * If details->check_mapping, we leave swap entries;\\n\\t\\t * if details->nonlinear_vma, we leave file entries.\\n\\t\\t */\\n\\t\\tif (unlikely(details))\\n\\t\\t\\tcontinue;\\n\\t\\tif (pte_file(ptent)) {\\n\\t\\t\\tif (unlikely(!(vma->vm_flags & VM_NONLINEAR)))\\n\\t\\t\\t\\tprint_bad_pte(vma, addr, ptent, NULL);\\n\\t\\t} else {\\n\\t\\t\\tswp_entry_t entry = pte_to_swp_entry(ptent);\",\n \"\\t\\t\\tif (!non_swap_entry(entry))\\n\\t\\t\\t\\trss[MM_SWAPENTS]--;\\n\\t\\t\\telse if (is_migration_entry(entry)) {\\n\\t\\t\\t\\tstruct page *page;\",\n \"\\t\\t\\t\\tpage = migration_entry_to_page(entry);\",\n \"\\t\\t\\t\\tif (PageAnon(page))\\n\\t\\t\\t\\t\\trss[MM_ANONPAGES]--;\\n\\t\\t\\t\\telse\\n\\t\\t\\t\\t\\trss[MM_FILEPAGES]--;\\n\\t\\t\\t}\\n\\t\\t\\tif (unlikely(!free_swap_and_cache(entry)))\\n\\t\\t\\t\\tprint_bad_pte(vma, addr, ptent, NULL);\\n\\t\\t}\\n\\t\\tpte_clear_not_present_full(mm, addr, pte, tlb->fullmm);\\n\\t} while (pte++, addr += PAGE_SIZE, addr != end);\",\n \"\\tadd_mm_rss_vec(mm, rss);\\n\\tarch_leave_lazy_mmu_mode();\\n\\tpte_unmap_unlock(start_pte, ptl);\",\n \"\\t/*\\n\\t * mmu_gather ran out of room to batch pages, we break out of\\n\\t * the PTE lock to avoid doing the potential expensive TLB invalidate\\n\\t * and page-free while holding it.\\n\\t */\\n\\tif (force_flush) {\\n\\t\\tforce_flush = 0;\",\n \"#ifdef HAVE_GENERIC_MMU_GATHER\\n\\t\\ttlb->start = addr;\\n\\t\\ttlb->end = end;\\n#endif\\n\\t\\ttlb_flush_mmu(tlb);\\n\\t\\tif (addr != end)\\n\\t\\t\\tgoto again;\\n\\t}\",\n \"\\treturn addr;\\n}\",\n \"static inline unsigned long zap_pmd_range(struct mmu_gather *tlb,\\n\\t\\t\\t\\tstruct vm_area_struct *vma, pud_t *pud,\\n\\t\\t\\t\\tunsigned long addr, unsigned long end,\\n\\t\\t\\t\\tstruct zap_details *details)\\n{\\n\\tpmd_t *pmd;\\n\\tunsigned long next;\",\n \"\\tpmd = pmd_offset(pud, addr);\\n\\tdo {\\n\\t\\tnext = pmd_addr_end(addr, end);\\n\\t\\tif (pmd_trans_huge(*pmd)) {\\n\\t\\t\\tif (next - addr != HPAGE_PMD_SIZE) {\\n#ifdef CONFIG_DEBUG_VM\\n\\t\\t\\t\\tif (!rwsem_is_locked(&tlb->mm->mmap_sem)) {\\n\\t\\t\\t\\t\\tpr_err(\\\"%s: mmap_sem is unlocked! addr=0x%lx end=0x%lx vma->vm_start=0x%lx vma->vm_end=0x%lx\\\\n\\\",\\n\\t\\t\\t\\t\\t\\t__func__, addr, end,\\n\\t\\t\\t\\t\\t\\tvma->vm_start,\\n\\t\\t\\t\\t\\t\\tvma->vm_end);\\n\\t\\t\\t\\t\\tBUG();\\n\\t\\t\\t\\t}\\n#endif\\n\\t\\t\\t\\tsplit_huge_page_pmd(vma, addr, pmd);\\n\\t\\t\\t} else if (zap_huge_pmd(tlb, vma, pmd, addr))\\n\\t\\t\\t\\tgoto next;\\n\\t\\t\\t/* fall through */\\n\\t\\t}\\n\\t\\t/*\\n\\t\\t * Here there can be other concurrent MADV_DONTNEED or\\n\\t\\t * trans huge page faults running, and if the pmd is\\n\\t\\t * none or trans huge it can change under us. This is\\n\\t\\t * because MADV_DONTNEED holds the mmap_sem in read\\n\\t\\t * mode.\\n\\t\\t */\\n\\t\\tif (pmd_none_or_trans_huge_or_clear_bad(pmd))\\n\\t\\t\\tgoto next;\\n\\t\\tnext = zap_pte_range(tlb, vma, pmd, addr, next, details);\\nnext:\\n\\t\\tcond_resched();\\n\\t} while (pmd++, addr = next, addr != end);\",\n \"\\treturn addr;\\n}\",\n \"static inline unsigned long zap_pud_range(struct mmu_gather *tlb,\\n\\t\\t\\t\\tstruct vm_area_struct *vma, pgd_t *pgd,\\n\\t\\t\\t\\tunsigned long addr, unsigned long end,\\n\\t\\t\\t\\tstruct zap_details *details)\\n{\\n\\tpud_t *pud;\\n\\tunsigned long next;\",\n \"\\tpud = pud_offset(pgd, addr);\\n\\tdo {\\n\\t\\tnext = pud_addr_end(addr, end);\\n\\t\\tif (pud_none_or_clear_bad(pud))\\n\\t\\t\\tcontinue;\\n\\t\\tnext = zap_pmd_range(tlb, vma, pud, addr, next, details);\\n\\t} while (pud++, addr = next, addr != end);\",\n \"\\treturn addr;\\n}\",\n \"static void unmap_page_range(struct mmu_gather *tlb,\\n\\t\\t\\t struct vm_area_struct *vma,\\n\\t\\t\\t unsigned long addr, unsigned long end,\\n\\t\\t\\t struct zap_details *details)\\n{\\n\\tpgd_t *pgd;\\n\\tunsigned long next;\",\n \"\\tif (details && !details->check_mapping && !details->nonlinear_vma)\\n\\t\\tdetails = NULL;\",\n \"\\tBUG_ON(addr >= end);\\n\\tmem_cgroup_uncharge_start();\\n\\ttlb_start_vma(tlb, vma);\\n\\tpgd = pgd_offset(vma->vm_mm, addr);\\n\\tdo {\\n\\t\\tnext = pgd_addr_end(addr, end);\\n\\t\\tif (pgd_none_or_clear_bad(pgd))\\n\\t\\t\\tcontinue;\\n\\t\\tnext = zap_pud_range(tlb, vma, pgd, addr, next, details);\\n\\t} while (pgd++, addr = next, addr != end);\\n\\ttlb_end_vma(tlb, vma);\\n\\tmem_cgroup_uncharge_end();\\n}\",\n \"\\nstatic void unmap_single_vma(struct mmu_gather *tlb,\\n\\t\\tstruct vm_area_struct *vma, unsigned long start_addr,\\n\\t\\tunsigned long end_addr,\\n\\t\\tstruct zap_details *details)\\n{\\n\\tunsigned long start = max(vma->vm_start, start_addr);\\n\\tunsigned long end;\",\n \"\\tif (start >= vma->vm_end)\\n\\t\\treturn;\\n\\tend = min(vma->vm_end, end_addr);\\n\\tif (end <= vma->vm_start)\\n\\t\\treturn;\",\n \"\\tif (vma->vm_file)\\n\\t\\tuprobe_munmap(vma, start, end);\",\n \"\\tif (unlikely(vma->vm_flags & VM_PFNMAP))\\n\\t\\tuntrack_pfn(vma, 0, 0);\",\n \"\\tif (start != end) {\\n\\t\\tif (unlikely(is_vm_hugetlb_page(vma))) {\\n\\t\\t\\t/*\\n\\t\\t\\t * It is undesirable to test vma->vm_file as it\\n\\t\\t\\t * should be non-null for valid hugetlb area.\\n\\t\\t\\t * However, vm_file will be NULL in the error\\n\\t\\t\\t * cleanup path of do_mmap_pgoff. When\\n\\t\\t\\t * hugetlbfs ->mmap method fails,\\n\\t\\t\\t * do_mmap_pgoff() nullifies vma->vm_file\\n\\t\\t\\t * before calling this function to clean up.\\n\\t\\t\\t * Since no pte has actually been setup, it is\\n\\t\\t\\t * safe to do nothing in this case.\\n\\t\\t\\t */\\n\\t\\t\\tif (vma->vm_file) {\\n\\t\\t\\t\\tmutex_lock(&vma->vm_file->f_mapping->i_mmap_mutex);\\n\\t\\t\\t\\t__unmap_hugepage_range_final(tlb, vma, start, end, NULL);\\n\\t\\t\\t\\tmutex_unlock(&vma->vm_file->f_mapping->i_mmap_mutex);\\n\\t\\t\\t}\\n\\t\\t} else\\n\\t\\t\\tunmap_page_range(tlb, vma, start, end, details);\\n\\t}\\n}\",\n \"/**\\n * unmap_vmas - unmap a range of memory covered by a list of vma's\\n * @tlb: address of the caller's struct mmu_gather\\n * @vma: the starting vma\\n * @start_addr: virtual address at which to start unmapping\\n * @end_addr: virtual address at which to end unmapping\\n *\\n * Unmap all pages in the vma list.\\n *\\n * Only addresses between `start' and `end' will be unmapped.\\n *\\n * The VMA list must be sorted in ascending virtual address order.\\n *\\n * unmap_vmas() assumes that the caller will flush the whole unmapped address\\n * range after unmap_vmas() returns. So the only responsibility here is to\\n * ensure that any thus-far unmapped pages are flushed before unmap_vmas()\\n * drops the lock and schedules.\\n */\\nvoid unmap_vmas(struct mmu_gather *tlb,\\n\\t\\tstruct vm_area_struct *vma, unsigned long start_addr,\\n\\t\\tunsigned long end_addr)\\n{\\n\\tstruct mm_struct *mm = vma->vm_mm;\",\n \"\\tmmu_notifier_invalidate_range_start(mm, start_addr, end_addr);\\n\\tfor ( ; vma && vma->vm_start < end_addr; vma = vma->vm_next)\\n\\t\\tunmap_single_vma(tlb, vma, start_addr, end_addr, NULL);\\n\\tmmu_notifier_invalidate_range_end(mm, start_addr, end_addr);\\n}\",\n \"/**\\n * zap_page_range - remove user pages in a given range\\n * @vma: vm_area_struct holding the applicable pages\\n * @start: starting address of pages to zap\\n * @size: number of bytes to zap\\n * @details: details of nonlinear truncation or shared cache invalidation\\n *\\n * Caller must protect the VMA list\\n */\\nvoid zap_page_range(struct vm_area_struct *vma, unsigned long start,\\n\\t\\tunsigned long size, struct zap_details *details)\\n{\\n\\tstruct mm_struct *mm = vma->vm_mm;\\n\\tstruct mmu_gather tlb;\\n\\tunsigned long end = start + size;\",\n \"\\tlru_add_drain();\\n\\ttlb_gather_mmu(&tlb, mm, 0);\\n\\tupdate_hiwater_rss(mm);\\n\\tmmu_notifier_invalidate_range_start(mm, start, end);\\n\\tfor ( ; vma && vma->vm_start < end; vma = vma->vm_next)\\n\\t\\tunmap_single_vma(&tlb, vma, start, end, details);\\n\\tmmu_notifier_invalidate_range_end(mm, start, end);\\n\\ttlb_finish_mmu(&tlb, start, end);\\n}\",\n \"/**\\n * zap_page_range_single - remove user pages in a given range\\n * @vma: vm_area_struct holding the applicable pages\\n * @address: starting address of pages to zap\\n * @size: number of bytes to zap\\n * @details: details of nonlinear truncation or shared cache invalidation\\n *\\n * The range must fit into one VMA.\\n */\\nstatic void zap_page_range_single(struct vm_area_struct *vma, unsigned long address,\\n\\t\\tunsigned long size, struct zap_details *details)\\n{\\n\\tstruct mm_struct *mm = vma->vm_mm;\\n\\tstruct mmu_gather tlb;\\n\\tunsigned long end = address + size;\",\n \"\\tlru_add_drain();\\n\\ttlb_gather_mmu(&tlb, mm, 0);\\n\\tupdate_hiwater_rss(mm);\\n\\tmmu_notifier_invalidate_range_start(mm, address, end);\\n\\tunmap_single_vma(&tlb, vma, address, end, details);\\n\\tmmu_notifier_invalidate_range_end(mm, address, end);\\n\\ttlb_finish_mmu(&tlb, address, end);\\n}\",\n \"/**\\n * zap_vma_ptes - remove ptes mapping the vma\\n * @vma: vm_area_struct holding ptes to be zapped\\n * @address: starting address of pages to zap\\n * @size: number of bytes to zap\\n *\\n * This function only unmaps ptes assigned to VM_PFNMAP vmas.\\n *\\n * The entire address range must be fully contained within the vma.\\n *\\n * Returns 0 if successful.\\n */\\nint zap_vma_ptes(struct vm_area_struct *vma, unsigned long address,\\n\\t\\tunsigned long size)\\n{\\n\\tif (address < vma->vm_start || address + size > vma->vm_end ||\\n\\t \\t\\t!(vma->vm_flags & VM_PFNMAP))\\n\\t\\treturn -1;\\n\\tzap_page_range_single(vma, address, size, NULL);\\n\\treturn 0;\\n}\\nEXPORT_SYMBOL_GPL(zap_vma_ptes);\",\n \"/**\\n * follow_page_mask - look up a page descriptor from a user-virtual address\\n * @vma: vm_area_struct mapping @address\\n * @address: virtual address to look up\\n * @flags: flags modifying lookup behaviour\\n * @page_mask: on output, *page_mask is set according to the size of the page\\n *\\n * @flags can have FOLL_ flags set, defined in <linux/mm.h>\\n *\\n * Returns the mapped (struct page *), %NULL if no mapping exists, or\\n * an error pointer if there is a mapping to something not represented\\n * by a page descriptor (see also vm_normal_page()).\\n */\\nstruct page *follow_page_mask(struct vm_area_struct *vma,\\n\\t\\t\\t unsigned long address, unsigned int flags,\\n\\t\\t\\t unsigned int *page_mask)\\n{\\n\\tpgd_t *pgd;\\n\\tpud_t *pud;\\n\\tpmd_t *pmd;\\n\\tpte_t *ptep, pte;\\n\\tspinlock_t *ptl;\\n\\tstruct page *page;\\n\\tstruct mm_struct *mm = vma->vm_mm;\",\n \"\\t*page_mask = 0;\",\n \"\\tpage = follow_huge_addr(mm, address, flags & FOLL_WRITE);\\n\\tif (!IS_ERR(page)) {\\n\\t\\tBUG_ON(flags & FOLL_GET);\\n\\t\\tgoto out;\\n\\t}\",\n \"\\tpage = NULL;\\n\\tpgd = pgd_offset(mm, address);\\n\\tif (pgd_none(*pgd) || unlikely(pgd_bad(*pgd)))\\n\\t\\tgoto no_page_table;\",\n \"\\tpud = pud_offset(pgd, address);\\n\\tif (pud_none(*pud))\\n\\t\\tgoto no_page_table;\\n\\tif (pud_huge(*pud) && vma->vm_flags & VM_HUGETLB) {\\n\\t\\tBUG_ON(flags & FOLL_GET);\\n\\t\\tpage = follow_huge_pud(mm, address, pud, flags & FOLL_WRITE);\\n\\t\\tgoto out;\\n\\t}\\n\\tif (unlikely(pud_bad(*pud)))\\n\\t\\tgoto no_page_table;\",\n \"\\tpmd = pmd_offset(pud, address);\\n\\tif (pmd_none(*pmd))\\n\\t\\tgoto no_page_table;\\n\\tif (pmd_huge(*pmd) && vma->vm_flags & VM_HUGETLB) {\\n\\t\\tBUG_ON(flags & FOLL_GET);\\n\\t\\tpage = follow_huge_pmd(mm, address, pmd, flags & FOLL_WRITE);\\n\\t\\tgoto out;\\n\\t}\\n\\tif ((flags & FOLL_NUMA) && pmd_numa(*pmd))\\n\\t\\tgoto no_page_table;\\n\\tif (pmd_trans_huge(*pmd)) {\\n\\t\\tif (flags & FOLL_SPLIT) {\\n\\t\\t\\tsplit_huge_page_pmd(vma, address, pmd);\\n\\t\\t\\tgoto split_fallthrough;\\n\\t\\t}\\n\\t\\tspin_lock(&mm->page_table_lock);\\n\\t\\tif (likely(pmd_trans_huge(*pmd))) {\\n\\t\\t\\tif (unlikely(pmd_trans_splitting(*pmd))) {\\n\\t\\t\\t\\tspin_unlock(&mm->page_table_lock);\\n\\t\\t\\t\\twait_split_huge_page(vma->anon_vma, pmd);\\n\\t\\t\\t} else {\\n\\t\\t\\t\\tpage = follow_trans_huge_pmd(vma, address,\\n\\t\\t\\t\\t\\t\\t\\t pmd, flags);\\n\\t\\t\\t\\tspin_unlock(&mm->page_table_lock);\\n\\t\\t\\t\\t*page_mask = HPAGE_PMD_NR - 1;\\n\\t\\t\\t\\tgoto out;\\n\\t\\t\\t}\\n\\t\\t} else\\n\\t\\t\\tspin_unlock(&mm->page_table_lock);\\n\\t\\t/* fall through */\\n\\t}\\nsplit_fallthrough:\\n\\tif (unlikely(pmd_bad(*pmd)))\\n\\t\\tgoto no_page_table;\",\n \"\\tptep = pte_offset_map_lock(mm, pmd, address, &ptl);\",\n \"\\tpte = *ptep;\\n\\tif (!pte_present(pte)) {\\n\\t\\tswp_entry_t entry;\\n\\t\\t/*\\n\\t\\t * KSM's break_ksm() relies upon recognizing a ksm page\\n\\t\\t * even while it is being migrated, so for that case we\\n\\t\\t * need migration_entry_wait().\\n\\t\\t */\\n\\t\\tif (likely(!(flags & FOLL_MIGRATION)))\\n\\t\\t\\tgoto no_page;\\n\\t\\tif (pte_none(pte) || pte_file(pte))\\n\\t\\t\\tgoto no_page;\\n\\t\\tentry = pte_to_swp_entry(pte);\\n\\t\\tif (!is_migration_entry(entry))\\n\\t\\t\\tgoto no_page;\\n\\t\\tpte_unmap_unlock(ptep, ptl);\\n\\t\\tmigration_entry_wait(mm, pmd, address);\\n\\t\\tgoto split_fallthrough;\\n\\t}\\n\\tif ((flags & FOLL_NUMA) && pte_numa(pte))\\n\\t\\tgoto no_page;\\n\\tif ((flags & FOLL_WRITE) && !pte_write(pte))\\n\\t\\tgoto unlock;\",\n \"\\tpage = vm_normal_page(vma, address, pte);\\n\\tif (unlikely(!page)) {\\n\\t\\tif ((flags & FOLL_DUMP) ||\\n\\t\\t !is_zero_pfn(pte_pfn(pte)))\\n\\t\\t\\tgoto bad_page;\\n\\t\\tpage = pte_page(pte);\\n\\t}\",\n \"\\tif (flags & FOLL_GET)\\n\\t\\tget_page_foll(page);\\n\\tif (flags & FOLL_TOUCH) {\\n\\t\\tif ((flags & FOLL_WRITE) &&\\n\\t\\t !pte_dirty(pte) && !PageDirty(page))\\n\\t\\t\\tset_page_dirty(page);\\n\\t\\t/*\\n\\t\\t * pte_mkyoung() would be more correct here, but atomic care\\n\\t\\t * is needed to avoid losing the dirty bit: it is easier to use\\n\\t\\t * mark_page_accessed().\\n\\t\\t */\\n\\t\\tmark_page_accessed(page);\\n\\t}\\n\\tif ((flags & FOLL_MLOCK) && (vma->vm_flags & VM_LOCKED)) {\\n\\t\\t/*\\n\\t\\t * The preliminary mapping check is mainly to avoid the\\n\\t\\t * pointless overhead of lock_page on the ZERO_PAGE\\n\\t\\t * which might bounce very badly if there is contention.\\n\\t\\t *\\n\\t\\t * If the page is already locked, we don't need to\\n\\t\\t * handle it now - vmscan will handle it later if and\\n\\t\\t * when it attempts to reclaim the page.\\n\\t\\t */\\n\\t\\tif (page->mapping && trylock_page(page)) {\\n\\t\\t\\tlru_add_drain(); /* push cached pages to LRU */\\n\\t\\t\\t/*\\n\\t\\t\\t * Because we lock page here, and migration is\\n\\t\\t\\t * blocked by the pte's page reference, and we\\n\\t\\t\\t * know the page is still mapped, we don't even\\n\\t\\t\\t * need to check for file-cache page truncation.\\n\\t\\t\\t */\\n\\t\\t\\tmlock_vma_page(page);\\n\\t\\t\\tunlock_page(page);\\n\\t\\t}\\n\\t}\\nunlock:\\n\\tpte_unmap_unlock(ptep, ptl);\\nout:\\n\\treturn page;\",\n \"bad_page:\\n\\tpte_unmap_unlock(ptep, ptl);\\n\\treturn ERR_PTR(-EFAULT);\",\n \"no_page:\\n\\tpte_unmap_unlock(ptep, ptl);\\n\\tif (!pte_none(pte))\\n\\t\\treturn page;\",\n \"no_page_table:\\n\\t/*\\n\\t * When core dumping an enormous anonymous area that nobody\\n\\t * has touched so far, we don't want to allocate unnecessary pages or\\n\\t * page tables. Return error instead of NULL to skip handle_mm_fault,\\n\\t * then get_dump_page() will return NULL to leave a hole in the dump.\\n\\t * But we can only make this optimization where a hole would surely\\n\\t * be zero-filled if handle_mm_fault() actually did handle it.\\n\\t */\\n\\tif ((flags & FOLL_DUMP) &&\\n\\t (!vma->vm_ops || !vma->vm_ops->fault))\\n\\t\\treturn ERR_PTR(-EFAULT);\\n\\treturn page;\\n}\",\n \"static inline int stack_guard_page(struct vm_area_struct *vma, unsigned long addr)\\n{\\n\\treturn stack_guard_page_start(vma, addr) ||\\n\\t stack_guard_page_end(vma, addr+PAGE_SIZE);\\n}\",\n \"/**\\n * __get_user_pages() - pin user pages in memory\\n * @tsk:\\ttask_struct of target task\\n * @mm:\\t\\tmm_struct of target mm\\n * @start:\\tstarting user address\\n * @nr_pages:\\tnumber of pages from start to pin\\n * @gup_flags:\\tflags modifying pin behaviour\\n * @pages:\\tarray that receives pointers to the pages pinned.\\n *\\t\\tShould be at least nr_pages long. Or NULL, if caller\\n *\\t\\tonly intends to ensure the pages are faulted in.\\n * @vmas:\\tarray of pointers to vmas corresponding to each page.\\n *\\t\\tOr NULL if the caller does not require them.\\n * @nonblocking: whether waiting for disk IO or mmap_sem contention\\n *\\n * Returns number of pages pinned. This may be fewer than the number\\n * requested. If nr_pages is 0 or negative, returns 0. If no pages\\n * were pinned, returns -errno. Each page returned must be released\\n * with a put_page() call when it is finished with. vmas will only\\n * remain valid while mmap_sem is held.\\n *\\n * Must be called with mmap_sem held for read or write.\\n *\\n * __get_user_pages walks a process's page tables and takes a reference to\\n * each struct page that each user address corresponds to at a given\\n * instant. That is, it takes the page that would be accessed if a user\\n * thread accesses the given user virtual address at that instant.\\n *\\n * This does not guarantee that the page exists in the user mappings when\\n * __get_user_pages returns, and there may even be a completely different\\n * page there in some cases (eg. if mmapped pagecache has been invalidated\\n * and subsequently re faulted). However it does guarantee that the page\\n * won't be freed completely. And mostly callers simply care that the page\\n * contains data that was valid *at some point in time*. Typically, an IO\\n * or similar operation cannot guarantee anything stronger anyway because\\n * locks can't be held over the syscall boundary.\\n *\\n * If @gup_flags & FOLL_WRITE == 0, the page must not be written to. If\\n * the page is written to, set_page_dirty (or set_page_dirty_lock, as\\n * appropriate) must be called after the page is finished with, and\\n * before put_page is called.\\n *\\n * If @nonblocking != NULL, __get_user_pages will not wait for disk IO\\n * or mmap_sem contention, and if waiting is needed to pin all pages,\\n * *@nonblocking will be set to 0.\\n *\\n * In most cases, get_user_pages or get_user_pages_fast should be used\\n * instead of __get_user_pages. __get_user_pages should be used only if\\n * you need some special @gup_flags.\\n */\\nlong __get_user_pages(struct task_struct *tsk, struct mm_struct *mm,\\n\\t\\tunsigned long start, unsigned long nr_pages,\\n\\t\\tunsigned int gup_flags, struct page **pages,\\n\\t\\tstruct vm_area_struct **vmas, int *nonblocking)\\n{\\n\\tlong i;\\n\\tunsigned long vm_flags;\\n\\tunsigned int page_mask;\",\n \"\\tif (!nr_pages)\\n\\t\\treturn 0;\",\n \"\\tVM_BUG_ON(!!pages != !!(gup_flags & FOLL_GET));\",\n \"\\t/* \\n\\t * Require read or write permissions.\\n\\t * If FOLL_FORCE is set, we only require the \\\"MAY\\\" flags.\\n\\t */\\n\\tvm_flags = (gup_flags & FOLL_WRITE) ?\\n\\t\\t\\t(VM_WRITE | VM_MAYWRITE) : (VM_READ | VM_MAYREAD);\\n\\tvm_flags &= (gup_flags & FOLL_FORCE) ?\\n\\t\\t\\t(VM_MAYREAD | VM_MAYWRITE) : (VM_READ | VM_WRITE);\",\n \"\\t/*\\n\\t * If FOLL_FORCE and FOLL_NUMA are both set, handle_mm_fault\\n\\t * would be called on PROT_NONE ranges. We must never invoke\\n\\t * handle_mm_fault on PROT_NONE ranges or the NUMA hinting\\n\\t * page faults would unprotect the PROT_NONE ranges if\\n\\t * _PAGE_NUMA and _PAGE_PROTNONE are sharing the same pte/pmd\\n\\t * bitflag. So to avoid that, don't set FOLL_NUMA if\\n\\t * FOLL_FORCE is set.\\n\\t */\\n\\tif (!(gup_flags & FOLL_FORCE))\\n\\t\\tgup_flags |= FOLL_NUMA;\",\n \"\\ti = 0;\",\n \"\\tdo {\\n\\t\\tstruct vm_area_struct *vma;\",\n \"\\t\\tvma = find_extend_vma(mm, start);\\n\\t\\tif (!vma && in_gate_area(mm, start)) {\\n\\t\\t\\tunsigned long pg = start & PAGE_MASK;\\n\\t\\t\\tpgd_t *pgd;\\n\\t\\t\\tpud_t *pud;\\n\\t\\t\\tpmd_t *pmd;\\n\\t\\t\\tpte_t *pte;\",\n \"\\t\\t\\t/* user gate pages are read-only */\\n\\t\\t\\tif (gup_flags & FOLL_WRITE)\\n\\t\\t\\t\\treturn i ? : -EFAULT;\\n\\t\\t\\tif (pg > TASK_SIZE)\\n\\t\\t\\t\\tpgd = pgd_offset_k(pg);\\n\\t\\t\\telse\\n\\t\\t\\t\\tpgd = pgd_offset_gate(mm, pg);\\n\\t\\t\\tBUG_ON(pgd_none(*pgd));\\n\\t\\t\\tpud = pud_offset(pgd, pg);\\n\\t\\t\\tBUG_ON(pud_none(*pud));\\n\\t\\t\\tpmd = pmd_offset(pud, pg);\\n\\t\\t\\tif (pmd_none(*pmd))\\n\\t\\t\\t\\treturn i ? : -EFAULT;\\n\\t\\t\\tVM_BUG_ON(pmd_trans_huge(*pmd));\\n\\t\\t\\tpte = pte_offset_map(pmd, pg);\\n\\t\\t\\tif (pte_none(*pte)) {\\n\\t\\t\\t\\tpte_unmap(pte);\\n\\t\\t\\t\\treturn i ? : -EFAULT;\\n\\t\\t\\t}\\n\\t\\t\\tvma = get_gate_vma(mm);\\n\\t\\t\\tif (pages) {\\n\\t\\t\\t\\tstruct page *page;\",\n \"\\t\\t\\t\\tpage = vm_normal_page(vma, start, *pte);\\n\\t\\t\\t\\tif (!page) {\\n\\t\\t\\t\\t\\tif (!(gup_flags & FOLL_DUMP) &&\\n\\t\\t\\t\\t\\t is_zero_pfn(pte_pfn(*pte)))\\n\\t\\t\\t\\t\\t\\tpage = pte_page(*pte);\\n\\t\\t\\t\\t\\telse {\\n\\t\\t\\t\\t\\t\\tpte_unmap(pte);\\n\\t\\t\\t\\t\\t\\treturn i ? : -EFAULT;\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tpages[i] = page;\\n\\t\\t\\t\\tget_page(page);\\n\\t\\t\\t}\\n\\t\\t\\tpte_unmap(pte);\\n\\t\\t\\tpage_mask = 0;\\n\\t\\t\\tgoto next_page;\\n\\t\\t}\",\n \"\\t\\tif (!vma ||\\n\\t\\t (vma->vm_flags & (VM_IO | VM_PFNMAP)) ||\\n\\t\\t !(vm_flags & vma->vm_flags))\\n\\t\\t\\treturn i ? : -EFAULT;\",\n \"\\t\\tif (is_vm_hugetlb_page(vma)) {\\n\\t\\t\\ti = follow_hugetlb_page(mm, vma, pages, vmas,\\n\\t\\t\\t\\t\\t&start, &nr_pages, i, gup_flags);\\n\\t\\t\\tcontinue;\\n\\t\\t}\",\n \"\\t\\tdo {\\n\\t\\t\\tstruct page *page;\\n\\t\\t\\tunsigned int foll_flags = gup_flags;\\n\\t\\t\\tunsigned int page_increm;\",\n \"\\t\\t\\t/*\\n\\t\\t\\t * If we have a pending SIGKILL, don't keep faulting\\n\\t\\t\\t * pages and potentially allocating memory.\\n\\t\\t\\t */\\n\\t\\t\\tif (unlikely(fatal_signal_pending(current)))\\n\\t\\t\\t\\treturn i ? i : -ERESTARTSYS;\",\n \"\\t\\t\\tcond_resched();\\n\\t\\t\\twhile (!(page = follow_page_mask(vma, start,\\n\\t\\t\\t\\t\\t\\tfoll_flags, &page_mask))) {\\n\\t\\t\\t\\tint ret;\\n\\t\\t\\t\\tunsigned int fault_flags = 0;\",\n \"\\t\\t\\t\\t/* For mlock, just skip the stack guard page. */\\n\\t\\t\\t\\tif (foll_flags & FOLL_MLOCK) {\\n\\t\\t\\t\\t\\tif (stack_guard_page(vma, start))\\n\\t\\t\\t\\t\\t\\tgoto next_page;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tif (foll_flags & FOLL_WRITE)\\n\\t\\t\\t\\t\\tfault_flags |= FAULT_FLAG_WRITE;\\n\\t\\t\\t\\tif (nonblocking)\\n\\t\\t\\t\\t\\tfault_flags |= FAULT_FLAG_ALLOW_RETRY;\\n\\t\\t\\t\\tif (foll_flags & FOLL_NOWAIT)\\n\\t\\t\\t\\t\\tfault_flags |= (FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_RETRY_NOWAIT);\",\n \"\\t\\t\\t\\tret = handle_mm_fault(mm, vma, start,\\n\\t\\t\\t\\t\\t\\t\\tfault_flags);\",\n \"\\t\\t\\t\\tif (ret & VM_FAULT_ERROR) {\\n\\t\\t\\t\\t\\tif (ret & VM_FAULT_OOM)\\n\\t\\t\\t\\t\\t\\treturn i ? i : -ENOMEM;\\n\\t\\t\\t\\t\\tif (ret & (VM_FAULT_HWPOISON |\\n\\t\\t\\t\\t\\t\\t VM_FAULT_HWPOISON_LARGE)) {\\n\\t\\t\\t\\t\\t\\tif (i)\\n\\t\\t\\t\\t\\t\\t\\treturn i;\\n\\t\\t\\t\\t\\t\\telse if (gup_flags & FOLL_HWPOISON)\\n\\t\\t\\t\\t\\t\\t\\treturn -EHWPOISON;\\n\\t\\t\\t\\t\\t\\telse\\n\\t\\t\\t\\t\\t\\t\\treturn -EFAULT;\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tif (ret & VM_FAULT_SIGBUS)\\n\\t\\t\\t\\t\\t\\treturn i ? i : -EFAULT;\\n\\t\\t\\t\\t\\tBUG();\\n\\t\\t\\t\\t}\",\n \"\\t\\t\\t\\tif (tsk) {\\n\\t\\t\\t\\t\\tif (ret & VM_FAULT_MAJOR)\\n\\t\\t\\t\\t\\t\\ttsk->maj_flt++;\\n\\t\\t\\t\\t\\telse\\n\\t\\t\\t\\t\\t\\ttsk->min_flt++;\\n\\t\\t\\t\\t}\",\n \"\\t\\t\\t\\tif (ret & VM_FAULT_RETRY) {\\n\\t\\t\\t\\t\\tif (nonblocking)\\n\\t\\t\\t\\t\\t\\t*nonblocking = 0;\\n\\t\\t\\t\\t\\treturn i;\\n\\t\\t\\t\\t}\",\n \"\\t\\t\\t\\t/*\\n\\t\\t\\t\\t * The VM_FAULT_WRITE bit tells us that\\n\\t\\t\\t\\t * do_wp_page has broken COW when necessary,\\n\\t\\t\\t\\t * even if maybe_mkwrite decided not to set\\n\\t\\t\\t\\t * pte_write. We can thus safely do subsequent\\n\\t\\t\\t\\t * page lookups as if they were reads. But only\\n\\t\\t\\t\\t * do so when looping for pte_write is futile:\\n\\t\\t\\t\\t * in some cases userspace may also be wanting\\n\\t\\t\\t\\t * to write to the gotten user page, which a\\n\\t\\t\\t\\t * read fault here might prevent (a readonly\\n\\t\\t\\t\\t * page might get reCOWed by userspace write).\\n\\t\\t\\t\\t */\\n\\t\\t\\t\\tif ((ret & VM_FAULT_WRITE) &&\\n\\t\\t\\t\\t !(vma->vm_flags & VM_WRITE))\\n\\t\\t\\t\\t\\tfoll_flags &= ~FOLL_WRITE;\",\n \"\\t\\t\\t\\tcond_resched();\\n\\t\\t\\t}\\n\\t\\t\\tif (IS_ERR(page))\\n\\t\\t\\t\\treturn i ? i : PTR_ERR(page);\\n\\t\\t\\tif (pages) {\\n\\t\\t\\t\\tpages[i] = page;\",\n \"\\t\\t\\t\\tflush_anon_page(vma, page, start);\\n\\t\\t\\t\\tflush_dcache_page(page);\\n\\t\\t\\t\\tpage_mask = 0;\\n\\t\\t\\t}\\nnext_page:\\n\\t\\t\\tif (vmas) {\\n\\t\\t\\t\\tvmas[i] = vma;\\n\\t\\t\\t\\tpage_mask = 0;\\n\\t\\t\\t}\\n\\t\\t\\tpage_increm = 1 + (~(start >> PAGE_SHIFT) & page_mask);\\n\\t\\t\\tif (page_increm > nr_pages)\\n\\t\\t\\t\\tpage_increm = nr_pages;\\n\\t\\t\\ti += page_increm;\\n\\t\\t\\tstart += page_increm * PAGE_SIZE;\\n\\t\\t\\tnr_pages -= page_increm;\\n\\t\\t} while (nr_pages && start < vma->vm_end);\\n\\t} while (nr_pages);\\n\\treturn i;\\n}\\nEXPORT_SYMBOL(__get_user_pages);\",\n \"/*\\n * fixup_user_fault() - manually resolve a user page fault\\n * @tsk:\\tthe task_struct to use for page fault accounting, or\\n *\\t\\tNULL if faults are not to be recorded.\\n * @mm:\\t\\tmm_struct of target mm\\n * @address:\\tuser address\\n * @fault_flags:flags to pass down to handle_mm_fault()\\n *\\n * This is meant to be called in the specific scenario where for locking reasons\\n * we try to access user memory in atomic context (within a pagefault_disable()\\n * section), this returns -EFAULT, and we want to resolve the user fault before\\n * trying again.\\n *\\n * Typically this is meant to be used by the futex code.\\n *\\n * The main difference with get_user_pages() is that this function will\\n * unconditionally call handle_mm_fault() which will in turn perform all the\\n * necessary SW fixup of the dirty and young bits in the PTE, while\\n * handle_mm_fault() only guarantees to update these in the struct page.\\n *\\n * This is important for some architectures where those bits also gate the\\n * access permission to the page because they are maintained in software. On\\n * such architectures, gup() will not be enough to make a subsequent access\\n * succeed.\\n *\\n * This should be called with the mm_sem held for read.\\n */\\nint fixup_user_fault(struct task_struct *tsk, struct mm_struct *mm,\\n\\t\\t unsigned long address, unsigned int fault_flags)\\n{\\n\\tstruct vm_area_struct *vma;\\n\\tint ret;\",\n \"\\tvma = find_extend_vma(mm, address);\\n\\tif (!vma || address < vma->vm_start)\\n\\t\\treturn -EFAULT;\",\n \"\\tret = handle_mm_fault(mm, vma, address, fault_flags);\\n\\tif (ret & VM_FAULT_ERROR) {\\n\\t\\tif (ret & VM_FAULT_OOM)\\n\\t\\t\\treturn -ENOMEM;\\n\\t\\tif (ret & (VM_FAULT_HWPOISON | VM_FAULT_HWPOISON_LARGE))\\n\\t\\t\\treturn -EHWPOISON;\\n\\t\\tif (ret & VM_FAULT_SIGBUS)\\n\\t\\t\\treturn -EFAULT;\\n\\t\\tBUG();\\n\\t}\\n\\tif (tsk) {\\n\\t\\tif (ret & VM_FAULT_MAJOR)\\n\\t\\t\\ttsk->maj_flt++;\\n\\t\\telse\\n\\t\\t\\ttsk->min_flt++;\\n\\t}\\n\\treturn 0;\\n}\",\n \"/*\\n * get_user_pages() - pin user pages in memory\\n * @tsk:\\tthe task_struct to use for page fault accounting, or\\n *\\t\\tNULL if faults are not to be recorded.\\n * @mm:\\t\\tmm_struct of target mm\\n * @start:\\tstarting user address\\n * @nr_pages:\\tnumber of pages from start to pin\\n * @write:\\twhether pages will be written to by the caller\\n * @force:\\twhether to force write access even if user mapping is\\n *\\t\\treadonly. This will result in the page being COWed even\\n *\\t\\tin MAP_SHARED mappings. You do not want this.\\n * @pages:\\tarray that receives pointers to the pages pinned.\\n *\\t\\tShould be at least nr_pages long. Or NULL, if caller\\n *\\t\\tonly intends to ensure the pages are faulted in.\\n * @vmas:\\tarray of pointers to vmas corresponding to each page.\\n *\\t\\tOr NULL if the caller does not require them.\\n *\\n * Returns number of pages pinned. This may be fewer than the number\\n * requested. If nr_pages is 0 or negative, returns 0. If no pages\\n * were pinned, returns -errno. Each page returned must be released\\n * with a put_page() call when it is finished with. vmas will only\\n * remain valid while mmap_sem is held.\\n *\\n * Must be called with mmap_sem held for read or write.\\n *\\n * get_user_pages walks a process's page tables and takes a reference to\\n * each struct page that each user address corresponds to at a given\\n * instant. That is, it takes the page that would be accessed if a user\\n * thread accesses the given user virtual address at that instant.\\n *\\n * This does not guarantee that the page exists in the user mappings when\\n * get_user_pages returns, and there may even be a completely different\\n * page there in some cases (eg. if mmapped pagecache has been invalidated\\n * and subsequently re faulted). However it does guarantee that the page\\n * won't be freed completely. And mostly callers simply care that the page\\n * contains data that was valid *at some point in time*. Typically, an IO\\n * or similar operation cannot guarantee anything stronger anyway because\\n * locks can't be held over the syscall boundary.\\n *\\n * If write=0, the page must not be written to. If the page is written to,\\n * set_page_dirty (or set_page_dirty_lock, as appropriate) must be called\\n * after the page is finished with, and before put_page is called.\\n *\\n * get_user_pages is typically used for fewer-copy IO operations, to get a\\n * handle on the memory by some means other than accesses via the user virtual\\n * addresses. The pages may be submitted for DMA to devices or accessed via\\n * their kernel linear mapping (via the kmap APIs). Care should be taken to\\n * use the correct cache flushing APIs.\\n *\\n * See also get_user_pages_fast, for performance critical applications.\\n */\\nlong get_user_pages(struct task_struct *tsk, struct mm_struct *mm,\\n\\t\\tunsigned long start, unsigned long nr_pages, int write,\\n\\t\\tint force, struct page **pages, struct vm_area_struct **vmas)\\n{\\n\\tint flags = FOLL_TOUCH;\",\n \"\\tif (pages)\\n\\t\\tflags |= FOLL_GET;\\n\\tif (write)\\n\\t\\tflags |= FOLL_WRITE;\\n\\tif (force)\\n\\t\\tflags |= FOLL_FORCE;\",\n \"\\treturn __get_user_pages(tsk, mm, start, nr_pages, flags, pages, vmas,\\n\\t\\t\\t\\tNULL);\\n}\\nEXPORT_SYMBOL(get_user_pages);\",\n \"/**\\n * get_dump_page() - pin user page in memory while writing it to core dump\\n * @addr: user address\\n *\\n * Returns struct page pointer of user page pinned for dump,\\n * to be freed afterwards by page_cache_release() or put_page().\\n *\\n * Returns NULL on any kind of failure - a hole must then be inserted into\\n * the corefile, to preserve alignment with its headers; and also returns\\n * NULL wherever the ZERO_PAGE, or an anonymous pte_none, has been found -\\n * allowing a hole to be left in the corefile to save diskspace.\\n *\\n * Called without mmap_sem, but after all other threads have been killed.\\n */\\n#ifdef CONFIG_ELF_CORE\\nstruct page *get_dump_page(unsigned long addr)\\n{\\n\\tstruct vm_area_struct *vma;\\n\\tstruct page *page;\",\n \"\\tif (__get_user_pages(current, current->mm, addr, 1,\\n\\t\\t\\t FOLL_FORCE | FOLL_DUMP | FOLL_GET, &page, &vma,\\n\\t\\t\\t NULL) < 1)\\n\\t\\treturn NULL;\\n\\tflush_cache_page(vma, addr, page_to_pfn(page));\\n\\treturn page;\\n}\\n#endif /* CONFIG_ELF_CORE */\",\n \"pte_t *__get_locked_pte(struct mm_struct *mm, unsigned long addr,\\n\\t\\t\\tspinlock_t **ptl)\\n{\\n\\tpgd_t * pgd = pgd_offset(mm, addr);\\n\\tpud_t * pud = pud_alloc(mm, pgd, addr);\\n\\tif (pud) {\\n\\t\\tpmd_t * pmd = pmd_alloc(mm, pud, addr);\\n\\t\\tif (pmd) {\\n\\t\\t\\tVM_BUG_ON(pmd_trans_huge(*pmd));\\n\\t\\t\\treturn pte_alloc_map_lock(mm, pmd, addr, ptl);\\n\\t\\t}\\n\\t}\\n\\treturn NULL;\\n}\",\n \"/*\\n * This is the old fallback for page remapping.\\n *\\n * For historical reasons, it only allows reserved pages. Only\\n * old drivers should use this, and they needed to mark their\\n * pages reserved for the old functions anyway.\\n */\\nstatic int insert_page(struct vm_area_struct *vma, unsigned long addr,\\n\\t\\t\\tstruct page *page, pgprot_t prot)\\n{\\n\\tstruct mm_struct *mm = vma->vm_mm;\\n\\tint retval;\\n\\tpte_t *pte;\\n\\tspinlock_t *ptl;\",\n \"\\tretval = -EINVAL;\\n\\tif (PageAnon(page))\\n\\t\\tgoto out;\\n\\tretval = -ENOMEM;\\n\\tflush_dcache_page(page);\\n\\tpte = get_locked_pte(mm, addr, &ptl);\\n\\tif (!pte)\\n\\t\\tgoto out;\\n\\tretval = -EBUSY;\\n\\tif (!pte_none(*pte))\\n\\t\\tgoto out_unlock;\",\n \"\\t/* Ok, finally just insert the thing.. */\\n\\tget_page(page);\\n\\tinc_mm_counter_fast(mm, MM_FILEPAGES);\\n\\tpage_add_file_rmap(page);\\n\\tset_pte_at(mm, addr, pte, mk_pte(page, prot));\",\n \"\\tretval = 0;\\n\\tpte_unmap_unlock(pte, ptl);\\n\\treturn retval;\\nout_unlock:\\n\\tpte_unmap_unlock(pte, ptl);\\nout:\\n\\treturn retval;\\n}\",\n \"/**\\n * vm_insert_page - insert single page into user vma\\n * @vma: user vma to map to\\n * @addr: target user address of this page\\n * @page: source kernel page\\n *\\n * This allows drivers to insert individual pages they've allocated\\n * into a user vma.\\n *\\n * The page has to be a nice clean _individual_ kernel allocation.\\n * If you allocate a compound page, you need to have marked it as\\n * such (__GFP_COMP), or manually just split the page up yourself\\n * (see split_page()).\\n *\\n * NOTE! Traditionally this was done with \\\"remap_pfn_range()\\\" which\\n * took an arbitrary page protection parameter. This doesn't allow\\n * that. Your vma protection will have to be set up correctly, which\\n * means that if you want a shared writable mapping, you'd better\\n * ask for a shared writable mapping!\\n *\\n * The page does not need to be reserved.\\n *\\n * Usually this function is called from f_op->mmap() handler\\n * under mm->mmap_sem write-lock, so it can change vma->vm_flags.\\n * Caller must set VM_MIXEDMAP on vma if it wants to call this\\n * function from other places, for example from page-fault handler.\\n */\\nint vm_insert_page(struct vm_area_struct *vma, unsigned long addr,\\n\\t\\t\\tstruct page *page)\\n{\\n\\tif (addr < vma->vm_start || addr >= vma->vm_end)\\n\\t\\treturn -EFAULT;\\n\\tif (!page_count(page))\\n\\t\\treturn -EINVAL;\\n\\tif (!(vma->vm_flags & VM_MIXEDMAP)) {\\n\\t\\tBUG_ON(down_read_trylock(&vma->vm_mm->mmap_sem));\\n\\t\\tBUG_ON(vma->vm_flags & VM_PFNMAP);\\n\\t\\tvma->vm_flags |= VM_MIXEDMAP;\\n\\t}\\n\\treturn insert_page(vma, addr, page, vma->vm_page_prot);\\n}\\nEXPORT_SYMBOL(vm_insert_page);\",\n \"static int insert_pfn(struct vm_area_struct *vma, unsigned long addr,\\n\\t\\t\\tunsigned long pfn, pgprot_t prot)\\n{\\n\\tstruct mm_struct *mm = vma->vm_mm;\\n\\tint retval;\\n\\tpte_t *pte, entry;\\n\\tspinlock_t *ptl;\",\n \"\\tretval = -ENOMEM;\\n\\tpte = get_locked_pte(mm, addr, &ptl);\\n\\tif (!pte)\\n\\t\\tgoto out;\\n\\tretval = -EBUSY;\\n\\tif (!pte_none(*pte))\\n\\t\\tgoto out_unlock;\",\n \"\\t/* Ok, finally just insert the thing.. */\\n\\tentry = pte_mkspecial(pfn_pte(pfn, prot));\\n\\tset_pte_at(mm, addr, pte, entry);\\n\\tupdate_mmu_cache(vma, addr, pte); /* XXX: why not for insert_page? */\",\n \"\\tretval = 0;\\nout_unlock:\\n\\tpte_unmap_unlock(pte, ptl);\\nout:\\n\\treturn retval;\\n}\",\n \"/**\\n * vm_insert_pfn - insert single pfn into user vma\\n * @vma: user vma to map to\\n * @addr: target user address of this page\\n * @pfn: source kernel pfn\\n *\\n * Similar to vm_insert_page, this allows drivers to insert individual pages\\n * they've allocated into a user vma. Same comments apply.\\n *\\n * This function should only be called from a vm_ops->fault handler, and\\n * in that case the handler should return NULL.\\n *\\n * vma cannot be a COW mapping.\\n *\\n * As this is called only for pages that do not currently exist, we\\n * do not need to flush old virtual caches or the TLB.\\n */\\nint vm_insert_pfn(struct vm_area_struct *vma, unsigned long addr,\\n\\t\\t\\tunsigned long pfn)\\n{\\n\\tint ret;\\n\\tpgprot_t pgprot = vma->vm_page_prot;\\n\\t/*\\n\\t * Technically, architectures with pte_special can avoid all these\\n\\t * restrictions (same for remap_pfn_range). However we would like\\n\\t * consistency in testing and feature parity among all, so we should\\n\\t * try to keep these invariants in place for everybody.\\n\\t */\\n\\tBUG_ON(!(vma->vm_flags & (VM_PFNMAP|VM_MIXEDMAP)));\\n\\tBUG_ON((vma->vm_flags & (VM_PFNMAP|VM_MIXEDMAP)) ==\\n\\t\\t\\t\\t\\t\\t(VM_PFNMAP|VM_MIXEDMAP));\\n\\tBUG_ON((vma->vm_flags & VM_PFNMAP) && is_cow_mapping(vma->vm_flags));\\n\\tBUG_ON((vma->vm_flags & VM_MIXEDMAP) && pfn_valid(pfn));\",\n \"\\tif (addr < vma->vm_start || addr >= vma->vm_end)\\n\\t\\treturn -EFAULT;\\n\\tif (track_pfn_insert(vma, &pgprot, pfn))\\n\\t\\treturn -EINVAL;\",\n \"\\tret = insert_pfn(vma, addr, pfn, pgprot);\",\n \"\\treturn ret;\\n}\\nEXPORT_SYMBOL(vm_insert_pfn);\",\n \"int vm_insert_mixed(struct vm_area_struct *vma, unsigned long addr,\\n\\t\\t\\tunsigned long pfn)\\n{\\n\\tBUG_ON(!(vma->vm_flags & VM_MIXEDMAP));\",\n \"\\tif (addr < vma->vm_start || addr >= vma->vm_end)\\n\\t\\treturn -EFAULT;\",\n \"\\t/*\\n\\t * If we don't have pte special, then we have to use the pfn_valid()\\n\\t * based VM_MIXEDMAP scheme (see vm_normal_page), and thus we *must*\\n\\t * refcount the page if pfn_valid is true (hence insert_page rather\\n\\t * than insert_pfn). If a zero_pfn were inserted into a VM_MIXEDMAP\\n\\t * without pte special, it would there be refcounted as a normal page.\\n\\t */\\n\\tif (!HAVE_PTE_SPECIAL && pfn_valid(pfn)) {\\n\\t\\tstruct page *page;\",\n \"\\t\\tpage = pfn_to_page(pfn);\\n\\t\\treturn insert_page(vma, addr, page, vma->vm_page_prot);\\n\\t}\\n\\treturn insert_pfn(vma, addr, pfn, vma->vm_page_prot);\\n}\\nEXPORT_SYMBOL(vm_insert_mixed);\",\n \"/*\\n * maps a range of physical memory into the requested pages. the old\\n * mappings are removed. any references to nonexistent pages results\\n * in null mappings (currently treated as \\\"copy-on-access\\\")\\n */\\nstatic int remap_pte_range(struct mm_struct *mm, pmd_t *pmd,\\n\\t\\t\\tunsigned long addr, unsigned long end,\\n\\t\\t\\tunsigned long pfn, pgprot_t prot)\\n{\\n\\tpte_t *pte;\\n\\tspinlock_t *ptl;\",\n \"\\tpte = pte_alloc_map_lock(mm, pmd, addr, &ptl);\\n\\tif (!pte)\\n\\t\\treturn -ENOMEM;\\n\\tarch_enter_lazy_mmu_mode();\\n\\tdo {\\n\\t\\tBUG_ON(!pte_none(*pte));\\n\\t\\tset_pte_at(mm, addr, pte, pte_mkspecial(pfn_pte(pfn, prot)));\\n\\t\\tpfn++;\\n\\t} while (pte++, addr += PAGE_SIZE, addr != end);\\n\\tarch_leave_lazy_mmu_mode();\\n\\tpte_unmap_unlock(pte - 1, ptl);\\n\\treturn 0;\\n}\",\n \"static inline int remap_pmd_range(struct mm_struct *mm, pud_t *pud,\\n\\t\\t\\tunsigned long addr, unsigned long end,\\n\\t\\t\\tunsigned long pfn, pgprot_t prot)\\n{\\n\\tpmd_t *pmd;\\n\\tunsigned long next;\",\n \"\\tpfn -= addr >> PAGE_SHIFT;\\n\\tpmd = pmd_alloc(mm, pud, addr);\\n\\tif (!pmd)\\n\\t\\treturn -ENOMEM;\\n\\tVM_BUG_ON(pmd_trans_huge(*pmd));\\n\\tdo {\\n\\t\\tnext = pmd_addr_end(addr, end);\\n\\t\\tif (remap_pte_range(mm, pmd, addr, next,\\n\\t\\t\\t\\tpfn + (addr >> PAGE_SHIFT), prot))\\n\\t\\t\\treturn -ENOMEM;\\n\\t} while (pmd++, addr = next, addr != end);\\n\\treturn 0;\\n}\",\n \"static inline int remap_pud_range(struct mm_struct *mm, pgd_t *pgd,\\n\\t\\t\\tunsigned long addr, unsigned long end,\\n\\t\\t\\tunsigned long pfn, pgprot_t prot)\\n{\\n\\tpud_t *pud;\\n\\tunsigned long next;\",\n \"\\tpfn -= addr >> PAGE_SHIFT;\\n\\tpud = pud_alloc(mm, pgd, addr);\\n\\tif (!pud)\\n\\t\\treturn -ENOMEM;\\n\\tdo {\\n\\t\\tnext = pud_addr_end(addr, end);\\n\\t\\tif (remap_pmd_range(mm, pud, addr, next,\\n\\t\\t\\t\\tpfn + (addr >> PAGE_SHIFT), prot))\\n\\t\\t\\treturn -ENOMEM;\\n\\t} while (pud++, addr = next, addr != end);\\n\\treturn 0;\\n}\",\n \"/**\\n * remap_pfn_range - remap kernel memory to userspace\\n * @vma: user vma to map to\\n * @addr: target user address to start at\\n * @pfn: physical address of kernel memory\\n * @size: size of map area\\n * @prot: page protection flags for this mapping\\n *\\n * Note: this is only safe if the mm semaphore is held when called.\\n */\\nint remap_pfn_range(struct vm_area_struct *vma, unsigned long addr,\\n\\t\\t unsigned long pfn, unsigned long size, pgprot_t prot)\\n{\\n\\tpgd_t *pgd;\\n\\tunsigned long next;\\n\\tunsigned long end = addr + PAGE_ALIGN(size);\\n\\tstruct mm_struct *mm = vma->vm_mm;\\n\\tint err;\",\n \"\\t/*\\n\\t * Physically remapped pages are special. Tell the\\n\\t * rest of the world about it:\\n\\t * VM_IO tells people not to look at these pages\\n\\t *\\t(accesses can have side effects).\\n\\t * VM_PFNMAP tells the core MM that the base pages are just\\n\\t *\\traw PFN mappings, and do not have a \\\"struct page\\\" associated\\n\\t *\\twith them.\\n\\t * VM_DONTEXPAND\\n\\t * Disable vma merging and expanding with mremap().\\n\\t * VM_DONTDUMP\\n\\t * Omit vma from core dump, even when VM_IO turned off.\\n\\t *\\n\\t * There's a horrible special case to handle copy-on-write\\n\\t * behaviour that some programs depend on. We mark the \\\"original\\\"\\n\\t * un-COW'ed pages by matching them up with \\\"vma->vm_pgoff\\\".\\n\\t * See vm_normal_page() for details.\\n\\t */\\n\\tif (is_cow_mapping(vma->vm_flags)) {\\n\\t\\tif (addr != vma->vm_start || end != vma->vm_end)\\n\\t\\t\\treturn -EINVAL;\\n\\t\\tvma->vm_pgoff = pfn;\\n\\t}\",\n \"\\terr = track_pfn_remap(vma, &prot, pfn, addr, PAGE_ALIGN(size));\\n\\tif (err)\\n\\t\\treturn -EINVAL;\",\n \"\\tvma->vm_flags |= VM_IO | VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP;\",\n \"\\tBUG_ON(addr >= end);\\n\\tpfn -= addr >> PAGE_SHIFT;\\n\\tpgd = pgd_offset(mm, addr);\\n\\tflush_cache_range(vma, addr, end);\\n\\tdo {\\n\\t\\tnext = pgd_addr_end(addr, end);\\n\\t\\terr = remap_pud_range(mm, pgd, addr, next,\\n\\t\\t\\t\\tpfn + (addr >> PAGE_SHIFT), prot);\\n\\t\\tif (err)\\n\\t\\t\\tbreak;\\n\\t} while (pgd++, addr = next, addr != end);\",\n \"\\tif (err)\\n\\t\\tuntrack_pfn(vma, pfn, PAGE_ALIGN(size));\",\n \"\\treturn err;\\n}\\nEXPORT_SYMBOL(remap_pfn_range);\\n\",\n \"\",\n \"static int apply_to_pte_range(struct mm_struct *mm, pmd_t *pmd,\\n\\t\\t\\t\\t unsigned long addr, unsigned long end,\\n\\t\\t\\t\\t pte_fn_t fn, void *data)\\n{\\n\\tpte_t *pte;\\n\\tint err;\\n\\tpgtable_t token;\\n\\tspinlock_t *uninitialized_var(ptl);\",\n \"\\tpte = (mm == &init_mm) ?\\n\\t\\tpte_alloc_kernel(pmd, addr) :\\n\\t\\tpte_alloc_map_lock(mm, pmd, addr, &ptl);\\n\\tif (!pte)\\n\\t\\treturn -ENOMEM;\",\n \"\\tBUG_ON(pmd_huge(*pmd));\",\n \"\\tarch_enter_lazy_mmu_mode();\",\n \"\\ttoken = pmd_pgtable(*pmd);\",\n \"\\tdo {\\n\\t\\terr = fn(pte++, token, addr, data);\\n\\t\\tif (err)\\n\\t\\t\\tbreak;\\n\\t} while (addr += PAGE_SIZE, addr != end);\",\n \"\\tarch_leave_lazy_mmu_mode();\",\n \"\\tif (mm != &init_mm)\\n\\t\\tpte_unmap_unlock(pte-1, ptl);\\n\\treturn err;\\n}\",\n \"static int apply_to_pmd_range(struct mm_struct *mm, pud_t *pud,\\n\\t\\t\\t\\t unsigned long addr, unsigned long end,\\n\\t\\t\\t\\t pte_fn_t fn, void *data)\\n{\\n\\tpmd_t *pmd;\\n\\tunsigned long next;\\n\\tint err;\",\n \"\\tBUG_ON(pud_huge(*pud));\",\n \"\\tpmd = pmd_alloc(mm, pud, addr);\\n\\tif (!pmd)\\n\\t\\treturn -ENOMEM;\\n\\tdo {\\n\\t\\tnext = pmd_addr_end(addr, end);\\n\\t\\terr = apply_to_pte_range(mm, pmd, addr, next, fn, data);\\n\\t\\tif (err)\\n\\t\\t\\tbreak;\\n\\t} while (pmd++, addr = next, addr != end);\\n\\treturn err;\\n}\",\n \"static int apply_to_pud_range(struct mm_struct *mm, pgd_t *pgd,\\n\\t\\t\\t\\t unsigned long addr, unsigned long end,\\n\\t\\t\\t\\t pte_fn_t fn, void *data)\\n{\\n\\tpud_t *pud;\\n\\tunsigned long next;\\n\\tint err;\",\n \"\\tpud = pud_alloc(mm, pgd, addr);\\n\\tif (!pud)\\n\\t\\treturn -ENOMEM;\\n\\tdo {\\n\\t\\tnext = pud_addr_end(addr, end);\\n\\t\\terr = apply_to_pmd_range(mm, pud, addr, next, fn, data);\\n\\t\\tif (err)\\n\\t\\t\\tbreak;\\n\\t} while (pud++, addr = next, addr != end);\\n\\treturn err;\\n}\",\n \"/*\\n * Scan a region of virtual memory, filling in page tables as necessary\\n * and calling a provided function on each leaf page table.\\n */\\nint apply_to_page_range(struct mm_struct *mm, unsigned long addr,\\n\\t\\t\\tunsigned long size, pte_fn_t fn, void *data)\\n{\\n\\tpgd_t *pgd;\\n\\tunsigned long next;\\n\\tunsigned long end = addr + size;\\n\\tint err;\",\n \"\\tBUG_ON(addr >= end);\\n\\tpgd = pgd_offset(mm, addr);\\n\\tdo {\\n\\t\\tnext = pgd_addr_end(addr, end);\\n\\t\\terr = apply_to_pud_range(mm, pgd, addr, next, fn, data);\\n\\t\\tif (err)\\n\\t\\t\\tbreak;\\n\\t} while (pgd++, addr = next, addr != end);\",\n \"\\treturn err;\\n}\\nEXPORT_SYMBOL_GPL(apply_to_page_range);\",\n \"/*\\n * handle_pte_fault chooses page fault handler according to an entry\\n * which was read non-atomically. Before making any commitment, on\\n * those architectures or configurations (e.g. i386 with PAE) which\\n * might give a mix of unmatched parts, do_swap_page and do_nonlinear_fault\\n * must check under lock before unmapping the pte and proceeding\\n * (but do_wp_page is only called after already making such a check;\\n * and do_anonymous_page can safely check later on).\\n */\\nstatic inline int pte_unmap_same(struct mm_struct *mm, pmd_t *pmd,\\n\\t\\t\\t\\tpte_t *page_table, pte_t orig_pte)\\n{\\n\\tint same = 1;\\n#if defined(CONFIG_SMP) || defined(CONFIG_PREEMPT)\\n\\tif (sizeof(pte_t) > sizeof(unsigned long)) {\\n\\t\\tspinlock_t *ptl = pte_lockptr(mm, pmd);\\n\\t\\tspin_lock(ptl);\\n\\t\\tsame = pte_same(*page_table, orig_pte);\\n\\t\\tspin_unlock(ptl);\\n\\t}\\n#endif\\n\\tpte_unmap(page_table);\\n\\treturn same;\\n}\",\n \"static inline void cow_user_page(struct page *dst, struct page *src, unsigned long va, struct vm_area_struct *vma)\\n{\\n\\t/*\\n\\t * If the source page was a PFN mapping, we don't have\\n\\t * a \\\"struct page\\\" for it. We do a best-effort copy by\\n\\t * just copying from the original user address. If that\\n\\t * fails, we just zero-fill it. Live with it.\\n\\t */\\n\\tif (unlikely(!src)) {\\n\\t\\tvoid *kaddr = kmap_atomic(dst);\\n\\t\\tvoid __user *uaddr = (void __user *)(va & PAGE_MASK);\",\n \"\\t\\t/*\\n\\t\\t * This really shouldn't fail, because the page is there\\n\\t\\t * in the page tables. But it might just be unreadable,\\n\\t\\t * in which case we just give up and fill the result with\\n\\t\\t * zeroes.\\n\\t\\t */\\n\\t\\tif (__copy_from_user_inatomic(kaddr, uaddr, PAGE_SIZE))\\n\\t\\t\\tclear_page(kaddr);\\n\\t\\tkunmap_atomic(kaddr);\\n\\t\\tflush_dcache_page(dst);\\n\\t} else\\n\\t\\tcopy_user_highpage(dst, src, va, vma);\\n}\",\n \"/*\\n * This routine handles present pages, when users try to write\\n * to a shared page. It is done by copying the page to a new address\\n * and decrementing the shared-page counter for the old page.\\n *\\n * Note that this routine assumes that the protection checks have been\\n * done by the caller (the low-level page fault routine in most cases).\\n * Thus we can safely just mark it writable once we've done any necessary\\n * COW.\\n *\\n * We also mark the page dirty at this point even though the page will\\n * change only once the write actually happens. This avoids a few races,\\n * and potentially makes it more efficient.\\n *\\n * We enter with non-exclusive mmap_sem (to exclude vma changes,\\n * but allow concurrent faults), with pte both mapped and locked.\\n * We return with mmap_sem still held, but pte unmapped and unlocked.\\n */\\nstatic int do_wp_page(struct mm_struct *mm, struct vm_area_struct *vma,\\n\\t\\tunsigned long address, pte_t *page_table, pmd_t *pmd,\\n\\t\\tspinlock_t *ptl, pte_t orig_pte)\\n\\t__releases(ptl)\\n{\\n\\tstruct page *old_page, *new_page = NULL;\\n\\tpte_t entry;\\n\\tint ret = 0;\\n\\tint page_mkwrite = 0;\\n\\tstruct page *dirty_page = NULL;\\n\\tunsigned long mmun_start = 0;\\t/* For mmu_notifiers */\\n\\tunsigned long mmun_end = 0;\\t/* For mmu_notifiers */\",\n \"\\told_page = vm_normal_page(vma, address, orig_pte);\\n\\tif (!old_page) {\\n\\t\\t/*\\n\\t\\t * VM_MIXEDMAP !pfn_valid() case\\n\\t\\t *\\n\\t\\t * We should not cow pages in a shared writeable mapping.\\n\\t\\t * Just mark the pages writable as we can't do any dirty\\n\\t\\t * accounting on raw pfn maps.\\n\\t\\t */\\n\\t\\tif ((vma->vm_flags & (VM_WRITE|VM_SHARED)) ==\\n\\t\\t\\t\\t (VM_WRITE|VM_SHARED))\\n\\t\\t\\tgoto reuse;\\n\\t\\tgoto gotten;\\n\\t}\",\n \"\\t/*\\n\\t * Take out anonymous pages first, anonymous shared vmas are\\n\\t * not dirty accountable.\\n\\t */\\n\\tif (PageAnon(old_page) && !PageKsm(old_page)) {\\n\\t\\tif (!trylock_page(old_page)) {\\n\\t\\t\\tpage_cache_get(old_page);\\n\\t\\t\\tpte_unmap_unlock(page_table, ptl);\\n\\t\\t\\tlock_page(old_page);\\n\\t\\t\\tpage_table = pte_offset_map_lock(mm, pmd, address,\\n\\t\\t\\t\\t\\t\\t\\t &ptl);\\n\\t\\t\\tif (!pte_same(*page_table, orig_pte)) {\\n\\t\\t\\t\\tunlock_page(old_page);\\n\\t\\t\\t\\tgoto unlock;\\n\\t\\t\\t}\\n\\t\\t\\tpage_cache_release(old_page);\\n\\t\\t}\\n\\t\\tif (reuse_swap_page(old_page)) {\\n\\t\\t\\t/*\\n\\t\\t\\t * The page is all ours. Move it to our anon_vma so\\n\\t\\t\\t * the rmap code will not search our parent or siblings.\\n\\t\\t\\t * Protected against the rmap code by the page lock.\\n\\t\\t\\t */\\n\\t\\t\\tpage_move_anon_rmap(old_page, vma, address);\\n\\t\\t\\tunlock_page(old_page);\\n\\t\\t\\tgoto reuse;\\n\\t\\t}\\n\\t\\tunlock_page(old_page);\\n\\t} else if (unlikely((vma->vm_flags & (VM_WRITE|VM_SHARED)) ==\\n\\t\\t\\t\\t\\t(VM_WRITE|VM_SHARED))) {\\n\\t\\t/*\\n\\t\\t * Only catch write-faults on shared writable pages,\\n\\t\\t * read-only shared pages can get COWed by\\n\\t\\t * get_user_pages(.write=1, .force=1).\\n\\t\\t */\\n\\t\\tif (vma->vm_ops && vma->vm_ops->page_mkwrite) {\\n\\t\\t\\tstruct vm_fault vmf;\\n\\t\\t\\tint tmp;\",\n \"\\t\\t\\tvmf.virtual_address = (void __user *)(address &\\n\\t\\t\\t\\t\\t\\t\\t\\tPAGE_MASK);\\n\\t\\t\\tvmf.pgoff = old_page->index;\\n\\t\\t\\tvmf.flags = FAULT_FLAG_WRITE|FAULT_FLAG_MKWRITE;\\n\\t\\t\\tvmf.page = old_page;\",\n \"\\t\\t\\t/*\\n\\t\\t\\t * Notify the address space that the page is about to\\n\\t\\t\\t * become writable so that it can prohibit this or wait\\n\\t\\t\\t * for the page to get into an appropriate state.\\n\\t\\t\\t *\\n\\t\\t\\t * We do this without the lock held, so that it can\\n\\t\\t\\t * sleep if it needs to.\\n\\t\\t\\t */\\n\\t\\t\\tpage_cache_get(old_page);\\n\\t\\t\\tpte_unmap_unlock(page_table, ptl);\",\n \"\\t\\t\\ttmp = vma->vm_ops->page_mkwrite(vma, &vmf);\\n\\t\\t\\tif (unlikely(tmp &\\n\\t\\t\\t\\t\\t(VM_FAULT_ERROR | VM_FAULT_NOPAGE))) {\\n\\t\\t\\t\\tret = tmp;\\n\\t\\t\\t\\tgoto unwritable_page;\\n\\t\\t\\t}\\n\\t\\t\\tif (unlikely(!(tmp & VM_FAULT_LOCKED))) {\\n\\t\\t\\t\\tlock_page(old_page);\\n\\t\\t\\t\\tif (!old_page->mapping) {\\n\\t\\t\\t\\t\\tret = 0; /* retry the fault */\\n\\t\\t\\t\\t\\tunlock_page(old_page);\\n\\t\\t\\t\\t\\tgoto unwritable_page;\\n\\t\\t\\t\\t}\\n\\t\\t\\t} else\\n\\t\\t\\t\\tVM_BUG_ON(!PageLocked(old_page));\",\n \"\\t\\t\\t/*\\n\\t\\t\\t * Since we dropped the lock we need to revalidate\\n\\t\\t\\t * the PTE as someone else may have changed it. If\\n\\t\\t\\t * they did, we just return, as we can count on the\\n\\t\\t\\t * MMU to tell us if they didn't also make it writable.\\n\\t\\t\\t */\\n\\t\\t\\tpage_table = pte_offset_map_lock(mm, pmd, address,\\n\\t\\t\\t\\t\\t\\t\\t &ptl);\\n\\t\\t\\tif (!pte_same(*page_table, orig_pte)) {\\n\\t\\t\\t\\tunlock_page(old_page);\\n\\t\\t\\t\\tgoto unlock;\\n\\t\\t\\t}\",\n \"\\t\\t\\tpage_mkwrite = 1;\\n\\t\\t}\\n\\t\\tdirty_page = old_page;\\n\\t\\tget_page(dirty_page);\",\n \"reuse:\\n\\t\\tflush_cache_page(vma, address, pte_pfn(orig_pte));\\n\\t\\tentry = pte_mkyoung(orig_pte);\\n\\t\\tentry = maybe_mkwrite(pte_mkdirty(entry), vma);\\n\\t\\tif (ptep_set_access_flags(vma, address, page_table, entry,1))\\n\\t\\t\\tupdate_mmu_cache(vma, address, page_table);\\n\\t\\tpte_unmap_unlock(page_table, ptl);\\n\\t\\tret |= VM_FAULT_WRITE;\",\n \"\\t\\tif (!dirty_page)\\n\\t\\t\\treturn ret;\",\n \"\\t\\t/*\\n\\t\\t * Yes, Virginia, this is actually required to prevent a race\\n\\t\\t * with clear_page_dirty_for_io() from clearing the page dirty\\n\\t\\t * bit after it clear all dirty ptes, but before a racing\\n\\t\\t * do_wp_page installs a dirty pte.\\n\\t\\t *\\n\\t\\t * __do_fault is protected similarly.\\n\\t\\t */\\n\\t\\tif (!page_mkwrite) {\\n\\t\\t\\twait_on_page_locked(dirty_page);\\n\\t\\t\\tset_page_dirty_balance(dirty_page, page_mkwrite);\\n\\t\\t\\t/* file_update_time outside page_lock */\\n\\t\\t\\tif (vma->vm_file)\\n\\t\\t\\t\\tfile_update_time(vma->vm_file);\\n\\t\\t}\\n\\t\\tput_page(dirty_page);\\n\\t\\tif (page_mkwrite) {\\n\\t\\t\\tstruct address_space *mapping = dirty_page->mapping;\",\n \"\\t\\t\\tset_page_dirty(dirty_page);\\n\\t\\t\\tunlock_page(dirty_page);\\n\\t\\t\\tpage_cache_release(dirty_page);\\n\\t\\t\\tif (mapping)\\t{\\n\\t\\t\\t\\t/*\\n\\t\\t\\t\\t * Some device drivers do not set page.mapping\\n\\t\\t\\t\\t * but still dirty their pages\\n\\t\\t\\t\\t */\\n\\t\\t\\t\\tbalance_dirty_pages_ratelimited(mapping);\\n\\t\\t\\t}\\n\\t\\t}\",\n \"\\t\\treturn ret;\\n\\t}\",\n \"\\t/*\\n\\t * Ok, we need to copy. Oh, well..\\n\\t */\\n\\tpage_cache_get(old_page);\\ngotten:\\n\\tpte_unmap_unlock(page_table, ptl);\",\n \"\\tif (unlikely(anon_vma_prepare(vma)))\\n\\t\\tgoto oom;\",\n \"\\tif (is_zero_pfn(pte_pfn(orig_pte))) {\\n\\t\\tnew_page = alloc_zeroed_user_highpage_movable(vma, address);\\n\\t\\tif (!new_page)\\n\\t\\t\\tgoto oom;\\n\\t} else {\\n\\t\\tnew_page = alloc_page_vma(GFP_HIGHUSER_MOVABLE, vma, address);\\n\\t\\tif (!new_page)\\n\\t\\t\\tgoto oom;\\n\\t\\tcow_user_page(new_page, old_page, address, vma);\\n\\t}\\n\\t__SetPageUptodate(new_page);\",\n \"\\tif (mem_cgroup_newpage_charge(new_page, mm, GFP_KERNEL))\\n\\t\\tgoto oom_free_new;\",\n \"\\tmmun_start = address & PAGE_MASK;\\n\\tmmun_end = mmun_start + PAGE_SIZE;\\n\\tmmu_notifier_invalidate_range_start(mm, mmun_start, mmun_end);\",\n \"\\t/*\\n\\t * Re-check the pte - we dropped the lock\\n\\t */\\n\\tpage_table = pte_offset_map_lock(mm, pmd, address, &ptl);\\n\\tif (likely(pte_same(*page_table, orig_pte))) {\\n\\t\\tif (old_page) {\\n\\t\\t\\tif (!PageAnon(old_page)) {\\n\\t\\t\\t\\tdec_mm_counter_fast(mm, MM_FILEPAGES);\\n\\t\\t\\t\\tinc_mm_counter_fast(mm, MM_ANONPAGES);\\n\\t\\t\\t}\\n\\t\\t} else\\n\\t\\t\\tinc_mm_counter_fast(mm, MM_ANONPAGES);\\n\\t\\tflush_cache_page(vma, address, pte_pfn(orig_pte));\\n\\t\\tentry = mk_pte(new_page, vma->vm_page_prot);\\n\\t\\tentry = maybe_mkwrite(pte_mkdirty(entry), vma);\\n\\t\\t/*\\n\\t\\t * Clear the pte entry and flush it first, before updating the\\n\\t\\t * pte with the new entry. This will avoid a race condition\\n\\t\\t * seen in the presence of one thread doing SMC and another\\n\\t\\t * thread doing COW.\\n\\t\\t */\\n\\t\\tptep_clear_flush(vma, address, page_table);\\n\\t\\tpage_add_new_anon_rmap(new_page, vma, address);\\n\\t\\t/*\\n\\t\\t * We call the notify macro here because, when using secondary\\n\\t\\t * mmu page tables (such as kvm shadow page tables), we want the\\n\\t\\t * new page to be mapped directly into the secondary page table.\\n\\t\\t */\\n\\t\\tset_pte_at_notify(mm, address, page_table, entry);\\n\\t\\tupdate_mmu_cache(vma, address, page_table);\\n\\t\\tif (old_page) {\\n\\t\\t\\t/*\\n\\t\\t\\t * Only after switching the pte to the new page may\\n\\t\\t\\t * we remove the mapcount here. Otherwise another\\n\\t\\t\\t * process may come and find the rmap count decremented\\n\\t\\t\\t * before the pte is switched to the new page, and\\n\\t\\t\\t * \\\"reuse\\\" the old page writing into it while our pte\\n\\t\\t\\t * here still points into it and can be read by other\\n\\t\\t\\t * threads.\\n\\t\\t\\t *\\n\\t\\t\\t * The critical issue is to order this\\n\\t\\t\\t * page_remove_rmap with the ptp_clear_flush above.\\n\\t\\t\\t * Those stores are ordered by (if nothing else,)\\n\\t\\t\\t * the barrier present in the atomic_add_negative\\n\\t\\t\\t * in page_remove_rmap.\\n\\t\\t\\t *\\n\\t\\t\\t * Then the TLB flush in ptep_clear_flush ensures that\\n\\t\\t\\t * no process can access the old page before the\\n\\t\\t\\t * decremented mapcount is visible. And the old page\\n\\t\\t\\t * cannot be reused until after the decremented\\n\\t\\t\\t * mapcount is visible. So transitively, TLBs to\\n\\t\\t\\t * old page will be flushed before it can be reused.\\n\\t\\t\\t */\\n\\t\\t\\tpage_remove_rmap(old_page);\\n\\t\\t}\",\n \"\\t\\t/* Free the old page.. */\\n\\t\\tnew_page = old_page;\\n\\t\\tret |= VM_FAULT_WRITE;\\n\\t} else\\n\\t\\tmem_cgroup_uncharge_page(new_page);\",\n \"\\tif (new_page)\\n\\t\\tpage_cache_release(new_page);\\nunlock:\\n\\tpte_unmap_unlock(page_table, ptl);\\n\\tif (mmun_end > mmun_start)\\n\\t\\tmmu_notifier_invalidate_range_end(mm, mmun_start, mmun_end);\\n\\tif (old_page) {\\n\\t\\t/*\\n\\t\\t * Don't let another task, with possibly unlocked vma,\\n\\t\\t * keep the mlocked page.\\n\\t\\t */\\n\\t\\tif ((ret & VM_FAULT_WRITE) && (vma->vm_flags & VM_LOCKED)) {\\n\\t\\t\\tlock_page(old_page);\\t/* LRU manipulation */\\n\\t\\t\\tmunlock_vma_page(old_page);\\n\\t\\t\\tunlock_page(old_page);\\n\\t\\t}\\n\\t\\tpage_cache_release(old_page);\\n\\t}\\n\\treturn ret;\\noom_free_new:\\n\\tpage_cache_release(new_page);\\noom:\\n\\tif (old_page)\\n\\t\\tpage_cache_release(old_page);\\n\\treturn VM_FAULT_OOM;\",\n \"unwritable_page:\\n\\tpage_cache_release(old_page);\\n\\treturn ret;\\n}\",\n \"static void unmap_mapping_range_vma(struct vm_area_struct *vma,\\n\\t\\tunsigned long start_addr, unsigned long end_addr,\\n\\t\\tstruct zap_details *details)\\n{\\n\\tzap_page_range_single(vma, start_addr, end_addr - start_addr, details);\\n}\",\n \"static inline void unmap_mapping_range_tree(struct rb_root *root,\\n\\t\\t\\t\\t\\t struct zap_details *details)\\n{\\n\\tstruct vm_area_struct *vma;\\n\\tpgoff_t vba, vea, zba, zea;\",\n \"\\tvma_interval_tree_foreach(vma, root,\\n\\t\\t\\tdetails->first_index, details->last_index) {\",\n \"\\t\\tvba = vma->vm_pgoff;\\n\\t\\tvea = vba + ((vma->vm_end - vma->vm_start) >> PAGE_SHIFT) - 1;\\n\\t\\t/* Assume for now that PAGE_CACHE_SHIFT == PAGE_SHIFT */\\n\\t\\tzba = details->first_index;\\n\\t\\tif (zba < vba)\\n\\t\\t\\tzba = vba;\\n\\t\\tzea = details->last_index;\\n\\t\\tif (zea > vea)\\n\\t\\t\\tzea = vea;\",\n \"\\t\\tunmap_mapping_range_vma(vma,\\n\\t\\t\\t((zba - vba) << PAGE_SHIFT) + vma->vm_start,\\n\\t\\t\\t((zea - vba + 1) << PAGE_SHIFT) + vma->vm_start,\\n\\t\\t\\t\\tdetails);\\n\\t}\\n}\",\n \"static inline void unmap_mapping_range_list(struct list_head *head,\\n\\t\\t\\t\\t\\t struct zap_details *details)\\n{\\n\\tstruct vm_area_struct *vma;\",\n \"\\t/*\\n\\t * In nonlinear VMAs there is no correspondence between virtual address\\n\\t * offset and file offset. So we must perform an exhaustive search\\n\\t * across *all* the pages in each nonlinear VMA, not just the pages\\n\\t * whose virtual address lies outside the file truncation point.\\n\\t */\\n\\tlist_for_each_entry(vma, head, shared.nonlinear) {\\n\\t\\tdetails->nonlinear_vma = vma;\\n\\t\\tunmap_mapping_range_vma(vma, vma->vm_start, vma->vm_end, details);\\n\\t}\\n}\",\n \"/**\\n * unmap_mapping_range - unmap the portion of all mmaps in the specified address_space corresponding to the specified page range in the underlying file.\\n * @mapping: the address space containing mmaps to be unmapped.\\n * @holebegin: byte in first page to unmap, relative to the start of\\n * the underlying file. This will be rounded down to a PAGE_SIZE\\n * boundary. Note that this is different from truncate_pagecache(), which\\n * must keep the partial page. In contrast, we must get rid of\\n * partial pages.\\n * @holelen: size of prospective hole in bytes. This will be rounded\\n * up to a PAGE_SIZE boundary. A holelen of zero truncates to the\\n * end of the file.\\n * @even_cows: 1 when truncating a file, unmap even private COWed pages;\\n * but 0 when invalidating pagecache, don't throw away private data.\\n */\\nvoid unmap_mapping_range(struct address_space *mapping,\\n\\t\\tloff_t const holebegin, loff_t const holelen, int even_cows)\\n{\\n\\tstruct zap_details details;\\n\\tpgoff_t hba = holebegin >> PAGE_SHIFT;\\n\\tpgoff_t hlen = (holelen + PAGE_SIZE - 1) >> PAGE_SHIFT;\",\n \"\\t/* Check for overflow. */\\n\\tif (sizeof(holelen) > sizeof(hlen)) {\\n\\t\\tlong long holeend =\\n\\t\\t\\t(holebegin + holelen + PAGE_SIZE - 1) >> PAGE_SHIFT;\\n\\t\\tif (holeend & ~(long long)ULONG_MAX)\\n\\t\\t\\thlen = ULONG_MAX - hba + 1;\\n\\t}\",\n \"\\tdetails.check_mapping = even_cows? NULL: mapping;\\n\\tdetails.nonlinear_vma = NULL;\\n\\tdetails.first_index = hba;\\n\\tdetails.last_index = hba + hlen - 1;\\n\\tif (details.last_index < details.first_index)\\n\\t\\tdetails.last_index = ULONG_MAX;\",\n \"\\n\\tmutex_lock(&mapping->i_mmap_mutex);\\n\\tif (unlikely(!RB_EMPTY_ROOT(&mapping->i_mmap)))\\n\\t\\tunmap_mapping_range_tree(&mapping->i_mmap, &details);\\n\\tif (unlikely(!list_empty(&mapping->i_mmap_nonlinear)))\\n\\t\\tunmap_mapping_range_list(&mapping->i_mmap_nonlinear, &details);\\n\\tmutex_unlock(&mapping->i_mmap_mutex);\\n}\\nEXPORT_SYMBOL(unmap_mapping_range);\",\n \"/*\\n * We enter with non-exclusive mmap_sem (to exclude vma changes,\\n * but allow concurrent faults), and pte mapped but not yet locked.\\n * We return with mmap_sem still held, but pte unmapped and unlocked.\\n */\\nstatic int do_swap_page(struct mm_struct *mm, struct vm_area_struct *vma,\\n\\t\\tunsigned long address, pte_t *page_table, pmd_t *pmd,\\n\\t\\tunsigned int flags, pte_t orig_pte)\\n{\\n\\tspinlock_t *ptl;\\n\\tstruct page *page, *swapcache;\\n\\tswp_entry_t entry;\\n\\tpte_t pte;\\n\\tint locked;\\n\\tstruct mem_cgroup *ptr;\\n\\tint exclusive = 0;\\n\\tint ret = 0;\",\n \"\\tif (!pte_unmap_same(mm, pmd, page_table, orig_pte))\\n\\t\\tgoto out;\",\n \"\\tentry = pte_to_swp_entry(orig_pte);\\n\\tif (unlikely(non_swap_entry(entry))) {\\n\\t\\tif (is_migration_entry(entry)) {\\n\\t\\t\\tmigration_entry_wait(mm, pmd, address);\\n\\t\\t} else if (is_hwpoison_entry(entry)) {\\n\\t\\t\\tret = VM_FAULT_HWPOISON;\\n\\t\\t} else {\\n\\t\\t\\tprint_bad_pte(vma, address, orig_pte, NULL);\\n\\t\\t\\tret = VM_FAULT_SIGBUS;\\n\\t\\t}\\n\\t\\tgoto out;\\n\\t}\\n\\tdelayacct_set_flag(DELAYACCT_PF_SWAPIN);\\n\\tpage = lookup_swap_cache(entry);\\n\\tif (!page) {\\n\\t\\tpage = swapin_readahead(entry,\\n\\t\\t\\t\\t\\tGFP_HIGHUSER_MOVABLE, vma, address);\\n\\t\\tif (!page) {\\n\\t\\t\\t/*\\n\\t\\t\\t * Back out if somebody else faulted in this pte\\n\\t\\t\\t * while we released the pte lock.\\n\\t\\t\\t */\\n\\t\\t\\tpage_table = pte_offset_map_lock(mm, pmd, address, &ptl);\\n\\t\\t\\tif (likely(pte_same(*page_table, orig_pte)))\\n\\t\\t\\t\\tret = VM_FAULT_OOM;\\n\\t\\t\\tdelayacct_clear_flag(DELAYACCT_PF_SWAPIN);\\n\\t\\t\\tgoto unlock;\\n\\t\\t}\",\n \"\\t\\t/* Had to read the page from swap area: Major fault */\\n\\t\\tret = VM_FAULT_MAJOR;\\n\\t\\tcount_vm_event(PGMAJFAULT);\\n\\t\\tmem_cgroup_count_vm_event(mm, PGMAJFAULT);\\n\\t} else if (PageHWPoison(page)) {\\n\\t\\t/*\\n\\t\\t * hwpoisoned dirty swapcache pages are kept for killing\\n\\t\\t * owner processes (which may be unknown at hwpoison time)\\n\\t\\t */\\n\\t\\tret = VM_FAULT_HWPOISON;\\n\\t\\tdelayacct_clear_flag(DELAYACCT_PF_SWAPIN);\\n\\t\\tswapcache = page;\\n\\t\\tgoto out_release;\\n\\t}\",\n \"\\tswapcache = page;\\n\\tlocked = lock_page_or_retry(page, mm, flags);\",\n \"\\tdelayacct_clear_flag(DELAYACCT_PF_SWAPIN);\\n\\tif (!locked) {\\n\\t\\tret |= VM_FAULT_RETRY;\\n\\t\\tgoto out_release;\\n\\t}\",\n \"\\t/*\\n\\t * Make sure try_to_free_swap or reuse_swap_page or swapoff did not\\n\\t * release the swapcache from under us. The page pin, and pte_same\\n\\t * test below, are not enough to exclude that. Even if it is still\\n\\t * swapcache, we need to check that the page's swap has not changed.\\n\\t */\\n\\tif (unlikely(!PageSwapCache(page) || page_private(page) != entry.val))\\n\\t\\tgoto out_page;\",\n \"\\tpage = ksm_might_need_to_copy(page, vma, address);\\n\\tif (unlikely(!page)) {\\n\\t\\tret = VM_FAULT_OOM;\\n\\t\\tpage = swapcache;\\n\\t\\tgoto out_page;\\n\\t}\",\n \"\\tif (mem_cgroup_try_charge_swapin(mm, page, GFP_KERNEL, &ptr)) {\\n\\t\\tret = VM_FAULT_OOM;\\n\\t\\tgoto out_page;\\n\\t}\",\n \"\\t/*\\n\\t * Back out if somebody else already faulted in this pte.\\n\\t */\\n\\tpage_table = pte_offset_map_lock(mm, pmd, address, &ptl);\\n\\tif (unlikely(!pte_same(*page_table, orig_pte)))\\n\\t\\tgoto out_nomap;\",\n \"\\tif (unlikely(!PageUptodate(page))) {\\n\\t\\tret = VM_FAULT_SIGBUS;\\n\\t\\tgoto out_nomap;\\n\\t}\",\n \"\\t/*\\n\\t * The page isn't present yet, go ahead with the fault.\\n\\t *\\n\\t * Be careful about the sequence of operations here.\\n\\t * To get its accounting right, reuse_swap_page() must be called\\n\\t * while the page is counted on swap but not yet in mapcount i.e.\\n\\t * before page_add_anon_rmap() and swap_free(); try_to_free_swap()\\n\\t * must be called after the swap_free(), or it will never succeed.\\n\\t * Because delete_from_swap_page() may be called by reuse_swap_page(),\\n\\t * mem_cgroup_commit_charge_swapin() may not be able to find swp_entry\\n\\t * in page->private. In this case, a record in swap_cgroup is silently\\n\\t * discarded at swap_free().\\n\\t */\",\n \"\\tinc_mm_counter_fast(mm, MM_ANONPAGES);\\n\\tdec_mm_counter_fast(mm, MM_SWAPENTS);\\n\\tpte = mk_pte(page, vma->vm_page_prot);\\n\\tif ((flags & FAULT_FLAG_WRITE) && reuse_swap_page(page)) {\\n\\t\\tpte = maybe_mkwrite(pte_mkdirty(pte), vma);\\n\\t\\tflags &= ~FAULT_FLAG_WRITE;\\n\\t\\tret |= VM_FAULT_WRITE;\\n\\t\\texclusive = 1;\\n\\t}\\n\\tflush_icache_page(vma, page);\\n\\tset_pte_at(mm, address, page_table, pte);\\n\\tif (page == swapcache)\\n\\t\\tdo_page_add_anon_rmap(page, vma, address, exclusive);\\n\\telse /* ksm created a completely new copy */\\n\\t\\tpage_add_new_anon_rmap(page, vma, address);\\n\\t/* It's better to call commit-charge after rmap is established */\\n\\tmem_cgroup_commit_charge_swapin(page, ptr);\",\n \"\\tswap_free(entry);\\n\\tif (vm_swap_full() || (vma->vm_flags & VM_LOCKED) || PageMlocked(page))\\n\\t\\ttry_to_free_swap(page);\\n\\tunlock_page(page);\\n\\tif (page != swapcache) {\\n\\t\\t/*\\n\\t\\t * Hold the lock to avoid the swap entry to be reused\\n\\t\\t * until we take the PT lock for the pte_same() check\\n\\t\\t * (to avoid false positives from pte_same). For\\n\\t\\t * further safety release the lock after the swap_free\\n\\t\\t * so that the swap count won't change under a\\n\\t\\t * parallel locked swapcache.\\n\\t\\t */\\n\\t\\tunlock_page(swapcache);\\n\\t\\tpage_cache_release(swapcache);\\n\\t}\",\n \"\\tif (flags & FAULT_FLAG_WRITE) {\\n\\t\\tret |= do_wp_page(mm, vma, address, page_table, pmd, ptl, pte);\\n\\t\\tif (ret & VM_FAULT_ERROR)\\n\\t\\t\\tret &= VM_FAULT_ERROR;\\n\\t\\tgoto out;\\n\\t}\",\n \"\\t/* No need to invalidate - it was non-present before */\\n\\tupdate_mmu_cache(vma, address, page_table);\\nunlock:\\n\\tpte_unmap_unlock(page_table, ptl);\\nout:\\n\\treturn ret;\\nout_nomap:\\n\\tmem_cgroup_cancel_charge_swapin(ptr);\\n\\tpte_unmap_unlock(page_table, ptl);\\nout_page:\\n\\tunlock_page(page);\\nout_release:\\n\\tpage_cache_release(page);\\n\\tif (page != swapcache) {\\n\\t\\tunlock_page(swapcache);\\n\\t\\tpage_cache_release(swapcache);\\n\\t}\\n\\treturn ret;\\n}\",\n \"/*\\n * This is like a special single-page \\\"expand_{down|up}wards()\\\",\\n * except we must first make sure that 'address{-|+}PAGE_SIZE'\\n * doesn't hit another vma.\\n */\\nstatic inline int check_stack_guard_page(struct vm_area_struct *vma, unsigned long address)\\n{\\n\\taddress &= PAGE_MASK;\\n\\tif ((vma->vm_flags & VM_GROWSDOWN) && address == vma->vm_start) {\\n\\t\\tstruct vm_area_struct *prev = vma->vm_prev;\",\n \"\\t\\t/*\\n\\t\\t * Is there a mapping abutting this one below?\\n\\t\\t *\\n\\t\\t * That's only ok if it's the same stack mapping\\n\\t\\t * that has gotten split..\\n\\t\\t */\\n\\t\\tif (prev && prev->vm_end == address)\\n\\t\\t\\treturn prev->vm_flags & VM_GROWSDOWN ? 0 : -ENOMEM;\",\n \"\\t\\texpand_downwards(vma, address - PAGE_SIZE);\\n\\t}\\n\\tif ((vma->vm_flags & VM_GROWSUP) && address + PAGE_SIZE == vma->vm_end) {\\n\\t\\tstruct vm_area_struct *next = vma->vm_next;\",\n \"\\t\\t/* As VM_GROWSDOWN but s/below/above/ */\\n\\t\\tif (next && next->vm_start == address + PAGE_SIZE)\\n\\t\\t\\treturn next->vm_flags & VM_GROWSUP ? 0 : -ENOMEM;\",\n \"\\t\\texpand_upwards(vma, address + PAGE_SIZE);\\n\\t}\\n\\treturn 0;\\n}\",\n \"/*\\n * We enter with non-exclusive mmap_sem (to exclude vma changes,\\n * but allow concurrent faults), and pte mapped but not yet locked.\\n * We return with mmap_sem still held, but pte unmapped and unlocked.\\n */\\nstatic int do_anonymous_page(struct mm_struct *mm, struct vm_area_struct *vma,\\n\\t\\tunsigned long address, pte_t *page_table, pmd_t *pmd,\\n\\t\\tunsigned int flags)\\n{\\n\\tstruct page *page;\\n\\tspinlock_t *ptl;\\n\\tpte_t entry;\",\n \"\\tpte_unmap(page_table);\",\n \"\\t/* Check if we need to add a guard page to the stack */\\n\\tif (check_stack_guard_page(vma, address) < 0)\\n\\t\\treturn VM_FAULT_SIGBUS;\",\n \"\\t/* Use the zero-page for reads */\\n\\tif (!(flags & FAULT_FLAG_WRITE)) {\\n\\t\\tentry = pte_mkspecial(pfn_pte(my_zero_pfn(address),\\n\\t\\t\\t\\t\\t\\tvma->vm_page_prot));\\n\\t\\tpage_table = pte_offset_map_lock(mm, pmd, address, &ptl);\\n\\t\\tif (!pte_none(*page_table))\\n\\t\\t\\tgoto unlock;\\n\\t\\tgoto setpte;\\n\\t}\",\n \"\\t/* Allocate our own private page. */\\n\\tif (unlikely(anon_vma_prepare(vma)))\\n\\t\\tgoto oom;\\n\\tpage = alloc_zeroed_user_highpage_movable(vma, address);\\n\\tif (!page)\\n\\t\\tgoto oom;\\n\\t__SetPageUptodate(page);\",\n \"\\tif (mem_cgroup_newpage_charge(page, mm, GFP_KERNEL))\\n\\t\\tgoto oom_free_page;\",\n \"\\tentry = mk_pte(page, vma->vm_page_prot);\\n\\tif (vma->vm_flags & VM_WRITE)\\n\\t\\tentry = pte_mkwrite(pte_mkdirty(entry));\",\n \"\\tpage_table = pte_offset_map_lock(mm, pmd, address, &ptl);\\n\\tif (!pte_none(*page_table))\\n\\t\\tgoto release;\",\n \"\\tinc_mm_counter_fast(mm, MM_ANONPAGES);\\n\\tpage_add_new_anon_rmap(page, vma, address);\\nsetpte:\\n\\tset_pte_at(mm, address, page_table, entry);\",\n \"\\t/* No need to invalidate - it was non-present before */\\n\\tupdate_mmu_cache(vma, address, page_table);\\nunlock:\\n\\tpte_unmap_unlock(page_table, ptl);\\n\\treturn 0;\\nrelease:\\n\\tmem_cgroup_uncharge_page(page);\\n\\tpage_cache_release(page);\\n\\tgoto unlock;\\noom_free_page:\\n\\tpage_cache_release(page);\\noom:\\n\\treturn VM_FAULT_OOM;\\n}\",\n \"/*\\n * __do_fault() tries to create a new page mapping. It aggressively\\n * tries to share with existing pages, but makes a separate copy if\\n * the FAULT_FLAG_WRITE is set in the flags parameter in order to avoid\\n * the next page fault.\\n *\\n * As this is called only for pages that do not currently exist, we\\n * do not need to flush old virtual caches or the TLB.\\n *\\n * We enter with non-exclusive mmap_sem (to exclude vma changes,\\n * but allow concurrent faults), and pte neither mapped nor locked.\\n * We return with mmap_sem still held, but pte unmapped and unlocked.\\n */\\nstatic int __do_fault(struct mm_struct *mm, struct vm_area_struct *vma,\\n\\t\\tunsigned long address, pmd_t *pmd,\\n\\t\\tpgoff_t pgoff, unsigned int flags, pte_t orig_pte)\\n{\\n\\tpte_t *page_table;\\n\\tspinlock_t *ptl;\\n\\tstruct page *page;\\n\\tstruct page *cow_page;\\n\\tpte_t entry;\\n\\tint anon = 0;\\n\\tstruct page *dirty_page = NULL;\\n\\tstruct vm_fault vmf;\\n\\tint ret;\\n\\tint page_mkwrite = 0;\",\n \"\\t/*\\n\\t * If we do COW later, allocate page befor taking lock_page()\\n\\t * on the file cache page. This will reduce lock holding time.\\n\\t */\\n\\tif ((flags & FAULT_FLAG_WRITE) && !(vma->vm_flags & VM_SHARED)) {\",\n \"\\t\\tif (unlikely(anon_vma_prepare(vma)))\\n\\t\\t\\treturn VM_FAULT_OOM;\",\n \"\\t\\tcow_page = alloc_page_vma(GFP_HIGHUSER_MOVABLE, vma, address);\\n\\t\\tif (!cow_page)\\n\\t\\t\\treturn VM_FAULT_OOM;\",\n \"\\t\\tif (mem_cgroup_newpage_charge(cow_page, mm, GFP_KERNEL)) {\\n\\t\\t\\tpage_cache_release(cow_page);\\n\\t\\t\\treturn VM_FAULT_OOM;\\n\\t\\t}\\n\\t} else\\n\\t\\tcow_page = NULL;\",\n \"\\tvmf.virtual_address = (void __user *)(address & PAGE_MASK);\\n\\tvmf.pgoff = pgoff;\\n\\tvmf.flags = flags;\\n\\tvmf.page = NULL;\",\n \"\\tret = vma->vm_ops->fault(vma, &vmf);\\n\\tif (unlikely(ret & (VM_FAULT_ERROR | VM_FAULT_NOPAGE |\\n\\t\\t\\t VM_FAULT_RETRY)))\\n\\t\\tgoto uncharge_out;\",\n \"\\tif (unlikely(PageHWPoison(vmf.page))) {\\n\\t\\tif (ret & VM_FAULT_LOCKED)\\n\\t\\t\\tunlock_page(vmf.page);\\n\\t\\tret = VM_FAULT_HWPOISON;\\n\\t\\tgoto uncharge_out;\\n\\t}\",\n \"\\t/*\\n\\t * For consistency in subsequent calls, make the faulted page always\\n\\t * locked.\\n\\t */\\n\\tif (unlikely(!(ret & VM_FAULT_LOCKED)))\\n\\t\\tlock_page(vmf.page);\\n\\telse\\n\\t\\tVM_BUG_ON(!PageLocked(vmf.page));\",\n \"\\t/*\\n\\t * Should we do an early C-O-W break?\\n\\t */\\n\\tpage = vmf.page;\\n\\tif (flags & FAULT_FLAG_WRITE) {\\n\\t\\tif (!(vma->vm_flags & VM_SHARED)) {\\n\\t\\t\\tpage = cow_page;\\n\\t\\t\\tanon = 1;\\n\\t\\t\\tcopy_user_highpage(page, vmf.page, address, vma);\\n\\t\\t\\t__SetPageUptodate(page);\\n\\t\\t} else {\\n\\t\\t\\t/*\\n\\t\\t\\t * If the page will be shareable, see if the backing\\n\\t\\t\\t * address space wants to know that the page is about\\n\\t\\t\\t * to become writable\\n\\t\\t\\t */\\n\\t\\t\\tif (vma->vm_ops->page_mkwrite) {\\n\\t\\t\\t\\tint tmp;\",\n \"\\t\\t\\t\\tunlock_page(page);\\n\\t\\t\\t\\tvmf.flags = FAULT_FLAG_WRITE|FAULT_FLAG_MKWRITE;\\n\\t\\t\\t\\ttmp = vma->vm_ops->page_mkwrite(vma, &vmf);\\n\\t\\t\\t\\tif (unlikely(tmp &\\n\\t\\t\\t\\t\\t (VM_FAULT_ERROR | VM_FAULT_NOPAGE))) {\\n\\t\\t\\t\\t\\tret = tmp;\\n\\t\\t\\t\\t\\tgoto unwritable_page;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tif (unlikely(!(tmp & VM_FAULT_LOCKED))) {\\n\\t\\t\\t\\t\\tlock_page(page);\\n\\t\\t\\t\\t\\tif (!page->mapping) {\\n\\t\\t\\t\\t\\t\\tret = 0; /* retry the fault */\\n\\t\\t\\t\\t\\t\\tunlock_page(page);\\n\\t\\t\\t\\t\\t\\tgoto unwritable_page;\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t} else\\n\\t\\t\\t\\t\\tVM_BUG_ON(!PageLocked(page));\\n\\t\\t\\t\\tpage_mkwrite = 1;\\n\\t\\t\\t}\\n\\t\\t}\",\n \"\\t}\",\n \"\\tpage_table = pte_offset_map_lock(mm, pmd, address, &ptl);\",\n \"\\t/*\\n\\t * This silly early PAGE_DIRTY setting removes a race\\n\\t * due to the bad i386 page protection. But it's valid\\n\\t * for other architectures too.\\n\\t *\\n\\t * Note that if FAULT_FLAG_WRITE is set, we either now have\\n\\t * an exclusive copy of the page, or this is a shared mapping,\\n\\t * so we can make it writable and dirty to avoid having to\\n\\t * handle that later.\\n\\t */\\n\\t/* Only go through if we didn't race with anybody else... */\\n\\tif (likely(pte_same(*page_table, orig_pte))) {\\n\\t\\tflush_icache_page(vma, page);\\n\\t\\tentry = mk_pte(page, vma->vm_page_prot);\\n\\t\\tif (flags & FAULT_FLAG_WRITE)\\n\\t\\t\\tentry = maybe_mkwrite(pte_mkdirty(entry), vma);\\n\\t\\tif (anon) {\\n\\t\\t\\tinc_mm_counter_fast(mm, MM_ANONPAGES);\\n\\t\\t\\tpage_add_new_anon_rmap(page, vma, address);\\n\\t\\t} else {\\n\\t\\t\\tinc_mm_counter_fast(mm, MM_FILEPAGES);\\n\\t\\t\\tpage_add_file_rmap(page);\\n\\t\\t\\tif (flags & FAULT_FLAG_WRITE) {\\n\\t\\t\\t\\tdirty_page = page;\\n\\t\\t\\t\\tget_page(dirty_page);\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\tset_pte_at(mm, address, page_table, entry);\",\n \"\\t\\t/* no need to invalidate: a not-present page won't be cached */\\n\\t\\tupdate_mmu_cache(vma, address, page_table);\\n\\t} else {\\n\\t\\tif (cow_page)\\n\\t\\t\\tmem_cgroup_uncharge_page(cow_page);\\n\\t\\tif (anon)\\n\\t\\t\\tpage_cache_release(page);\\n\\t\\telse\\n\\t\\t\\tanon = 1; /* no anon but release faulted_page */\\n\\t}\",\n \"\\tpte_unmap_unlock(page_table, ptl);\",\n \"\\tif (dirty_page) {\\n\\t\\tstruct address_space *mapping = page->mapping;\\n\\t\\tint dirtied = 0;\",\n \"\\t\\tif (set_page_dirty(dirty_page))\\n\\t\\t\\tdirtied = 1;\\n\\t\\tunlock_page(dirty_page);\\n\\t\\tput_page(dirty_page);\\n\\t\\tif ((dirtied || page_mkwrite) && mapping) {\\n\\t\\t\\t/*\\n\\t\\t\\t * Some device drivers do not set page.mapping but still\\n\\t\\t\\t * dirty their pages\\n\\t\\t\\t */\\n\\t\\t\\tbalance_dirty_pages_ratelimited(mapping);\\n\\t\\t}\",\n \"\\t\\t/* file_update_time outside page_lock */\\n\\t\\tif (vma->vm_file && !page_mkwrite)\\n\\t\\t\\tfile_update_time(vma->vm_file);\\n\\t} else {\\n\\t\\tunlock_page(vmf.page);\\n\\t\\tif (anon)\\n\\t\\t\\tpage_cache_release(vmf.page);\\n\\t}\",\n \"\\treturn ret;\",\n \"unwritable_page:\\n\\tpage_cache_release(page);\\n\\treturn ret;\\nuncharge_out:\\n\\t/* fs's fault handler get error */\\n\\tif (cow_page) {\\n\\t\\tmem_cgroup_uncharge_page(cow_page);\\n\\t\\tpage_cache_release(cow_page);\\n\\t}\\n\\treturn ret;\\n}\",\n \"static int do_linear_fault(struct mm_struct *mm, struct vm_area_struct *vma,\\n\\t\\tunsigned long address, pte_t *page_table, pmd_t *pmd,\\n\\t\\tunsigned int flags, pte_t orig_pte)\\n{\\n\\tpgoff_t pgoff = (((address & PAGE_MASK)\\n\\t\\t\\t- vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff;\",\n \"\\tpte_unmap(page_table);\\n\\treturn __do_fault(mm, vma, address, pmd, pgoff, flags, orig_pte);\\n}\",\n \"/*\\n * Fault of a previously existing named mapping. Repopulate the pte\\n * from the encoded file_pte if possible. This enables swappable\\n * nonlinear vmas.\\n *\\n * We enter with non-exclusive mmap_sem (to exclude vma changes,\\n * but allow concurrent faults), and pte mapped but not yet locked.\\n * We return with mmap_sem still held, but pte unmapped and unlocked.\\n */\\nstatic int do_nonlinear_fault(struct mm_struct *mm, struct vm_area_struct *vma,\\n\\t\\tunsigned long address, pte_t *page_table, pmd_t *pmd,\\n\\t\\tunsigned int flags, pte_t orig_pte)\\n{\\n\\tpgoff_t pgoff;\",\n \"\\tflags |= FAULT_FLAG_NONLINEAR;\",\n \"\\tif (!pte_unmap_same(mm, pmd, page_table, orig_pte))\\n\\t\\treturn 0;\",\n \"\\tif (unlikely(!(vma->vm_flags & VM_NONLINEAR))) {\\n\\t\\t/*\\n\\t\\t * Page table corrupted: show pte and kill process.\\n\\t\\t */\\n\\t\\tprint_bad_pte(vma, address, orig_pte, NULL);\\n\\t\\treturn VM_FAULT_SIGBUS;\\n\\t}\",\n \"\\tpgoff = pte_to_pgoff(orig_pte);\\n\\treturn __do_fault(mm, vma, address, pmd, pgoff, flags, orig_pte);\\n}\",\n \"int numa_migrate_prep(struct page *page, struct vm_area_struct *vma,\\n\\t\\t\\t\\tunsigned long addr, int current_nid)\\n{\\n\\tget_page(page);\",\n \"\\tcount_vm_numa_event(NUMA_HINT_FAULTS);\\n\\tif (current_nid == numa_node_id())\\n\\t\\tcount_vm_numa_event(NUMA_HINT_FAULTS_LOCAL);\",\n \"\\treturn mpol_misplaced(page, vma, addr);\\n}\",\n \"int do_numa_page(struct mm_struct *mm, struct vm_area_struct *vma,\\n\\t\\t unsigned long addr, pte_t pte, pte_t *ptep, pmd_t *pmd)\\n{\\n\\tstruct page *page = NULL;\\n\\tspinlock_t *ptl;\\n\\tint current_nid = -1;\\n\\tint target_nid;\\n\\tbool migrated = false;\",\n \"\\t/*\\n\\t* The \\\"pte\\\" at this point cannot be used safely without\\n\\t* validation through pte_unmap_same(). It's of NUMA type but\\n\\t* the pfn may be screwed if the read is non atomic.\\n\\t*\\n\\t* ptep_modify_prot_start is not called as this is clearing\\n\\t* the _PAGE_NUMA bit and it is not really expected that there\\n\\t* would be concurrent hardware modifications to the PTE.\\n\\t*/\\n\\tptl = pte_lockptr(mm, pmd);\\n\\tspin_lock(ptl);\\n\\tif (unlikely(!pte_same(*ptep, pte))) {\\n\\t\\tpte_unmap_unlock(ptep, ptl);\\n\\t\\tgoto out;\\n\\t}\",\n \"\\tpte = pte_mknonnuma(pte);\\n\\tset_pte_at(mm, addr, ptep, pte);\\n\\tupdate_mmu_cache(vma, addr, ptep);\",\n \"\\tpage = vm_normal_page(vma, addr, pte);\\n\\tif (!page) {\\n\\t\\tpte_unmap_unlock(ptep, ptl);\\n\\t\\treturn 0;\\n\\t}\",\n \"\\tcurrent_nid = page_to_nid(page);\\n\\ttarget_nid = numa_migrate_prep(page, vma, addr, current_nid);\\n\\tpte_unmap_unlock(ptep, ptl);\\n\\tif (target_nid == -1) {\\n\\t\\t/*\\n\\t\\t * Account for the fault against the current node if it not\\n\\t\\t * being replaced regardless of where the page is located.\\n\\t\\t */\\n\\t\\tcurrent_nid = numa_node_id();\\n\\t\\tput_page(page);\\n\\t\\tgoto out;\\n\\t}\",\n \"\\t/* Migrate to the requested node */\\n\\tmigrated = migrate_misplaced_page(page, target_nid);\\n\\tif (migrated)\\n\\t\\tcurrent_nid = target_nid;\",\n \"out:\\n\\tif (current_nid != -1)\\n\\t\\ttask_numa_fault(current_nid, 1, migrated);\\n\\treturn 0;\\n}\",\n \"/* NUMA hinting page fault entry point for regular pmds */\\n#ifdef CONFIG_NUMA_BALANCING\\nstatic int do_pmd_numa_page(struct mm_struct *mm, struct vm_area_struct *vma,\\n\\t\\t unsigned long addr, pmd_t *pmdp)\\n{\\n\\tpmd_t pmd;\\n\\tpte_t *pte, *orig_pte;\\n\\tunsigned long _addr = addr & PMD_MASK;\\n\\tunsigned long offset;\\n\\tspinlock_t *ptl;\\n\\tbool numa = false;\\n\\tint local_nid = numa_node_id();\",\n \"\\tspin_lock(&mm->page_table_lock);\\n\\tpmd = *pmdp;\\n\\tif (pmd_numa(pmd)) {\\n\\t\\tset_pmd_at(mm, _addr, pmdp, pmd_mknonnuma(pmd));\\n\\t\\tnuma = true;\\n\\t}\\n\\tspin_unlock(&mm->page_table_lock);\",\n \"\\tif (!numa)\\n\\t\\treturn 0;\",\n \"\\t/* we're in a page fault so some vma must be in the range */\\n\\tBUG_ON(!vma);\\n\\tBUG_ON(vma->vm_start >= _addr + PMD_SIZE);\\n\\toffset = max(_addr, vma->vm_start) & ~PMD_MASK;\\n\\tVM_BUG_ON(offset >= PMD_SIZE);\\n\\torig_pte = pte = pte_offset_map_lock(mm, pmdp, _addr, &ptl);\\n\\tpte += offset >> PAGE_SHIFT;\\n\\tfor (addr = _addr + offset; addr < _addr + PMD_SIZE; pte++, addr += PAGE_SIZE) {\\n\\t\\tpte_t pteval = *pte;\\n\\t\\tstruct page *page;\\n\\t\\tint curr_nid = local_nid;\\n\\t\\tint target_nid;\\n\\t\\tbool migrated;\\n\\t\\tif (!pte_present(pteval))\\n\\t\\t\\tcontinue;\\n\\t\\tif (!pte_numa(pteval))\\n\\t\\t\\tcontinue;\\n\\t\\tif (addr >= vma->vm_end) {\\n\\t\\t\\tvma = find_vma(mm, addr);\\n\\t\\t\\t/* there's a pte present so there must be a vma */\\n\\t\\t\\tBUG_ON(!vma);\\n\\t\\t\\tBUG_ON(addr < vma->vm_start);\\n\\t\\t}\\n\\t\\tif (pte_numa(pteval)) {\\n\\t\\t\\tpteval = pte_mknonnuma(pteval);\\n\\t\\t\\tset_pte_at(mm, addr, pte, pteval);\\n\\t\\t}\\n\\t\\tpage = vm_normal_page(vma, addr, pteval);\\n\\t\\tif (unlikely(!page))\\n\\t\\t\\tcontinue;\\n\\t\\t/* only check non-shared pages */\\n\\t\\tif (unlikely(page_mapcount(page) != 1))\\n\\t\\t\\tcontinue;\",\n \"\\t\\t/*\\n\\t\\t * Note that the NUMA fault is later accounted to either\\n\\t\\t * the node that is currently running or where the page is\\n\\t\\t * migrated to.\\n\\t\\t */\\n\\t\\tcurr_nid = local_nid;\\n\\t\\ttarget_nid = numa_migrate_prep(page, vma, addr,\\n\\t\\t\\t\\t\\t page_to_nid(page));\\n\\t\\tif (target_nid == -1) {\\n\\t\\t\\tput_page(page);\\n\\t\\t\\tcontinue;\\n\\t\\t}\",\n \"\\t\\t/* Migrate to the requested node */\\n\\t\\tpte_unmap_unlock(pte, ptl);\\n\\t\\tmigrated = migrate_misplaced_page(page, target_nid);\\n\\t\\tif (migrated)\\n\\t\\t\\tcurr_nid = target_nid;\\n\\t\\ttask_numa_fault(curr_nid, 1, migrated);\",\n \"\\t\\tpte = pte_offset_map_lock(mm, pmdp, addr, &ptl);\\n\\t}\\n\\tpte_unmap_unlock(orig_pte, ptl);\",\n \"\\treturn 0;\\n}\\n#else\\nstatic int do_pmd_numa_page(struct mm_struct *mm, struct vm_area_struct *vma,\\n\\t\\t unsigned long addr, pmd_t *pmdp)\\n{\\n\\tBUG();\\n\\treturn 0;\\n}\\n#endif /* CONFIG_NUMA_BALANCING */\",\n \"/*\\n * These routines also need to handle stuff like marking pages dirty\\n * and/or accessed for architectures that don't do it in hardware (most\\n * RISC architectures). The early dirtying is also good on the i386.\\n *\\n * There is also a hook called \\\"update_mmu_cache()\\\" that architectures\\n * with external mmu caches can use to update those (ie the Sparc or\\n * PowerPC hashed page tables that act as extended TLBs).\\n *\\n * We enter with non-exclusive mmap_sem (to exclude vma changes,\\n * but allow concurrent faults), and pte mapped but not yet locked.\\n * We return with mmap_sem still held, but pte unmapped and unlocked.\\n */\\nint handle_pte_fault(struct mm_struct *mm,\\n\\t\\t struct vm_area_struct *vma, unsigned long address,\\n\\t\\t pte_t *pte, pmd_t *pmd, unsigned int flags)\\n{\\n\\tpte_t entry;\\n\\tspinlock_t *ptl;\",\n \"\\tentry = *pte;\\n\\tif (!pte_present(entry)) {\\n\\t\\tif (pte_none(entry)) {\\n\\t\\t\\tif (vma->vm_ops) {\\n\\t\\t\\t\\tif (likely(vma->vm_ops->fault))\\n\\t\\t\\t\\t\\treturn do_linear_fault(mm, vma, address,\\n\\t\\t\\t\\t\\t\\tpte, pmd, flags, entry);\\n\\t\\t\\t}\\n\\t\\t\\treturn do_anonymous_page(mm, vma, address,\\n\\t\\t\\t\\t\\t\\t pte, pmd, flags);\\n\\t\\t}\\n\\t\\tif (pte_file(entry))\\n\\t\\t\\treturn do_nonlinear_fault(mm, vma, address,\\n\\t\\t\\t\\t\\tpte, pmd, flags, entry);\\n\\t\\treturn do_swap_page(mm, vma, address,\\n\\t\\t\\t\\t\\tpte, pmd, flags, entry);\\n\\t}\",\n \"\\tif (pte_numa(entry))\\n\\t\\treturn do_numa_page(mm, vma, address, entry, pte, pmd);\",\n \"\\tptl = pte_lockptr(mm, pmd);\\n\\tspin_lock(ptl);\\n\\tif (unlikely(!pte_same(*pte, entry)))\\n\\t\\tgoto unlock;\\n\\tif (flags & FAULT_FLAG_WRITE) {\\n\\t\\tif (!pte_write(entry))\\n\\t\\t\\treturn do_wp_page(mm, vma, address,\\n\\t\\t\\t\\t\\tpte, pmd, ptl, entry);\\n\\t\\tentry = pte_mkdirty(entry);\\n\\t}\\n\\tentry = pte_mkyoung(entry);\\n\\tif (ptep_set_access_flags(vma, address, pte, entry, flags & FAULT_FLAG_WRITE)) {\\n\\t\\tupdate_mmu_cache(vma, address, pte);\\n\\t} else {\\n\\t\\t/*\\n\\t\\t * This is needed only for protection faults but the arch code\\n\\t\\t * is not yet telling us if this is a protection fault or not.\\n\\t\\t * This still avoids useless tlb flushes for .text page faults\\n\\t\\t * with threads.\\n\\t\\t */\\n\\t\\tif (flags & FAULT_FLAG_WRITE)\\n\\t\\t\\tflush_tlb_fix_spurious_fault(vma, address);\\n\\t}\\nunlock:\\n\\tpte_unmap_unlock(pte, ptl);\\n\\treturn 0;\\n}\",\n \"/*\\n * By the time we get here, we already hold the mm semaphore\\n */\\nint handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma,\\n\\t\\tunsigned long address, unsigned int flags)\\n{\\n\\tpgd_t *pgd;\\n\\tpud_t *pud;\\n\\tpmd_t *pmd;\\n\\tpte_t *pte;\",\n \"\\t__set_current_state(TASK_RUNNING);\",\n \"\\tcount_vm_event(PGFAULT);\\n\\tmem_cgroup_count_vm_event(mm, PGFAULT);\",\n \"\\t/* do counter updates before entering really critical section. */\\n\\tcheck_sync_rss_stat(current);\",\n \"\\tif (unlikely(is_vm_hugetlb_page(vma)))\\n\\t\\treturn hugetlb_fault(mm, vma, address, flags);\",\n \"retry:\\n\\tpgd = pgd_offset(mm, address);\\n\\tpud = pud_alloc(mm, pgd, address);\\n\\tif (!pud)\\n\\t\\treturn VM_FAULT_OOM;\\n\\tpmd = pmd_alloc(mm, pud, address);\\n\\tif (!pmd)\\n\\t\\treturn VM_FAULT_OOM;\\n\\tif (pmd_none(*pmd) && transparent_hugepage_enabled(vma)) {\\n\\t\\tif (!vma->vm_ops)\\n\\t\\t\\treturn do_huge_pmd_anonymous_page(mm, vma, address,\\n\\t\\t\\t\\t\\t\\t\\t pmd, flags);\\n\\t} else {\\n\\t\\tpmd_t orig_pmd = *pmd;\\n\\t\\tint ret;\",\n \"\\t\\tbarrier();\\n\\t\\tif (pmd_trans_huge(orig_pmd)) {\\n\\t\\t\\tunsigned int dirty = flags & FAULT_FLAG_WRITE;\",\n \"\\t\\t\\t/*\\n\\t\\t\\t * If the pmd is splitting, return and retry the\\n\\t\\t\\t * the fault. Alternative: wait until the split\\n\\t\\t\\t * is done, and goto retry.\\n\\t\\t\\t */\\n\\t\\t\\tif (pmd_trans_splitting(orig_pmd))\\n\\t\\t\\t\\treturn 0;\",\n \"\\t\\t\\tif (pmd_numa(orig_pmd))\\n\\t\\t\\t\\treturn do_huge_pmd_numa_page(mm, vma, address,\\n\\t\\t\\t\\t\\t\\t\\t orig_pmd, pmd);\",\n \"\\t\\t\\tif (dirty && !pmd_write(orig_pmd)) {\\n\\t\\t\\t\\tret = do_huge_pmd_wp_page(mm, vma, address, pmd,\\n\\t\\t\\t\\t\\t\\t\\t orig_pmd);\\n\\t\\t\\t\\t/*\\n\\t\\t\\t\\t * If COW results in an oom, the huge pmd will\\n\\t\\t\\t\\t * have been split, so retry the fault on the\\n\\t\\t\\t\\t * pte for a smaller charge.\\n\\t\\t\\t\\t */\\n\\t\\t\\t\\tif (unlikely(ret & VM_FAULT_OOM))\\n\\t\\t\\t\\t\\tgoto retry;\\n\\t\\t\\t\\treturn ret;\\n\\t\\t\\t} else {\\n\\t\\t\\t\\thuge_pmd_set_accessed(mm, vma, address, pmd,\\n\\t\\t\\t\\t\\t\\t orig_pmd, dirty);\\n\\t\\t\\t}\",\n \"\\t\\t\\treturn 0;\\n\\t\\t}\\n\\t}\",\n \"\\tif (pmd_numa(*pmd))\\n\\t\\treturn do_pmd_numa_page(mm, vma, address, pmd);\",\n \"\\t/*\\n\\t * Use __pte_alloc instead of pte_alloc_map, because we can't\\n\\t * run pte_offset_map on the pmd, if an huge pmd could\\n\\t * materialize from under us from a different thread.\\n\\t */\\n\\tif (unlikely(pmd_none(*pmd)) &&\\n\\t unlikely(__pte_alloc(mm, vma, pmd, address)))\\n\\t\\treturn VM_FAULT_OOM;\\n\\t/* if an huge pmd materialized from under us just retry later */\\n\\tif (unlikely(pmd_trans_huge(*pmd)))\\n\\t\\treturn 0;\\n\\t/*\\n\\t * A regular pmd is established and it can't morph into a huge pmd\\n\\t * from under us anymore at this point because we hold the mmap_sem\\n\\t * read mode and khugepaged takes it in write mode. So now it's\\n\\t * safe to run pte_offset_map().\\n\\t */\\n\\tpte = pte_offset_map(pmd, address);\",\n \"\\treturn handle_pte_fault(mm, vma, address, pte, pmd, flags);\\n}\",\n \"#ifndef __PAGETABLE_PUD_FOLDED\\n/*\\n * Allocate page upper directory.\\n * We've already handled the fast-path in-line.\\n */\\nint __pud_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long address)\\n{\\n\\tpud_t *new = pud_alloc_one(mm, address);\\n\\tif (!new)\\n\\t\\treturn -ENOMEM;\",\n \"\\tsmp_wmb(); /* See comment in __pte_alloc */\",\n \"\\tspin_lock(&mm->page_table_lock);\\n\\tif (pgd_present(*pgd))\\t\\t/* Another has populated it */\\n\\t\\tpud_free(mm, new);\\n\\telse\\n\\t\\tpgd_populate(mm, pgd, new);\\n\\tspin_unlock(&mm->page_table_lock);\\n\\treturn 0;\\n}\\n#endif /* __PAGETABLE_PUD_FOLDED */\",\n \"#ifndef __PAGETABLE_PMD_FOLDED\\n/*\\n * Allocate page middle directory.\\n * We've already handled the fast-path in-line.\\n */\\nint __pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long address)\\n{\\n\\tpmd_t *new = pmd_alloc_one(mm, address);\\n\\tif (!new)\\n\\t\\treturn -ENOMEM;\",\n \"\\tsmp_wmb(); /* See comment in __pte_alloc */\",\n \"\\tspin_lock(&mm->page_table_lock);\\n#ifndef __ARCH_HAS_4LEVEL_HACK\\n\\tif (pud_present(*pud))\\t\\t/* Another has populated it */\\n\\t\\tpmd_free(mm, new);\\n\\telse\\n\\t\\tpud_populate(mm, pud, new);\\n#else\\n\\tif (pgd_present(*pud))\\t\\t/* Another has populated it */\\n\\t\\tpmd_free(mm, new);\\n\\telse\\n\\t\\tpgd_populate(mm, pud, new);\\n#endif /* __ARCH_HAS_4LEVEL_HACK */\\n\\tspin_unlock(&mm->page_table_lock);\\n\\treturn 0;\\n}\\n#endif /* __PAGETABLE_PMD_FOLDED */\",\n \"#if !defined(__HAVE_ARCH_GATE_AREA)\",\n \"#if defined(AT_SYSINFO_EHDR)\\nstatic struct vm_area_struct gate_vma;\",\n \"static int __init gate_vma_init(void)\\n{\\n\\tgate_vma.vm_mm = NULL;\\n\\tgate_vma.vm_start = FIXADDR_USER_START;\\n\\tgate_vma.vm_end = FIXADDR_USER_END;\\n\\tgate_vma.vm_flags = VM_READ | VM_MAYREAD | VM_EXEC | VM_MAYEXEC;\\n\\tgate_vma.vm_page_prot = __P101;\",\n \"\\treturn 0;\\n}\\n__initcall(gate_vma_init);\\n#endif\",\n \"struct vm_area_struct *get_gate_vma(struct mm_struct *mm)\\n{\\n#ifdef AT_SYSINFO_EHDR\\n\\treturn &gate_vma;\\n#else\\n\\treturn NULL;\\n#endif\\n}\",\n \"int in_gate_area_no_mm(unsigned long addr)\\n{\\n#ifdef AT_SYSINFO_EHDR\\n\\tif ((addr >= FIXADDR_USER_START) && (addr < FIXADDR_USER_END))\\n\\t\\treturn 1;\\n#endif\\n\\treturn 0;\\n}\",\n \"#endif\\t/* __HAVE_ARCH_GATE_AREA */\",\n \"static int __follow_pte(struct mm_struct *mm, unsigned long address,\\n\\t\\tpte_t **ptepp, spinlock_t **ptlp)\\n{\\n\\tpgd_t *pgd;\\n\\tpud_t *pud;\\n\\tpmd_t *pmd;\\n\\tpte_t *ptep;\",\n \"\\tpgd = pgd_offset(mm, address);\\n\\tif (pgd_none(*pgd) || unlikely(pgd_bad(*pgd)))\\n\\t\\tgoto out;\",\n \"\\tpud = pud_offset(pgd, address);\\n\\tif (pud_none(*pud) || unlikely(pud_bad(*pud)))\\n\\t\\tgoto out;\",\n \"\\tpmd = pmd_offset(pud, address);\\n\\tVM_BUG_ON(pmd_trans_huge(*pmd));\\n\\tif (pmd_none(*pmd) || unlikely(pmd_bad(*pmd)))\\n\\t\\tgoto out;\",\n \"\\t/* We cannot handle huge page PFN maps. Luckily they don't exist. */\\n\\tif (pmd_huge(*pmd))\\n\\t\\tgoto out;\",\n \"\\tptep = pte_offset_map_lock(mm, pmd, address, ptlp);\\n\\tif (!ptep)\\n\\t\\tgoto out;\\n\\tif (!pte_present(*ptep))\\n\\t\\tgoto unlock;\\n\\t*ptepp = ptep;\\n\\treturn 0;\\nunlock:\\n\\tpte_unmap_unlock(ptep, *ptlp);\\nout:\\n\\treturn -EINVAL;\\n}\",\n \"static inline int follow_pte(struct mm_struct *mm, unsigned long address,\\n\\t\\t\\t pte_t **ptepp, spinlock_t **ptlp)\\n{\\n\\tint res;\",\n \"\\t/* (void) is needed to make gcc happy */\\n\\t(void) __cond_lock(*ptlp,\\n\\t\\t\\t !(res = __follow_pte(mm, address, ptepp, ptlp)));\\n\\treturn res;\\n}\",\n \"/**\\n * follow_pfn - look up PFN at a user virtual address\\n * @vma: memory mapping\\n * @address: user virtual address\\n * @pfn: location to store found PFN\\n *\\n * Only IO mappings and raw PFN mappings are allowed.\\n *\\n * Returns zero and the pfn at @pfn on success, -ve otherwise.\\n */\\nint follow_pfn(struct vm_area_struct *vma, unsigned long address,\\n\\tunsigned long *pfn)\\n{\\n\\tint ret = -EINVAL;\\n\\tspinlock_t *ptl;\\n\\tpte_t *ptep;\",\n \"\\tif (!(vma->vm_flags & (VM_IO | VM_PFNMAP)))\\n\\t\\treturn ret;\",\n \"\\tret = follow_pte(vma->vm_mm, address, &ptep, &ptl);\\n\\tif (ret)\\n\\t\\treturn ret;\\n\\t*pfn = pte_pfn(*ptep);\\n\\tpte_unmap_unlock(ptep, ptl);\\n\\treturn 0;\\n}\\nEXPORT_SYMBOL(follow_pfn);\",\n \"#ifdef CONFIG_HAVE_IOREMAP_PROT\\nint follow_phys(struct vm_area_struct *vma,\\n\\t\\tunsigned long address, unsigned int flags,\\n\\t\\tunsigned long *prot, resource_size_t *phys)\\n{\\n\\tint ret = -EINVAL;\\n\\tpte_t *ptep, pte;\\n\\tspinlock_t *ptl;\",\n \"\\tif (!(vma->vm_flags & (VM_IO | VM_PFNMAP)))\\n\\t\\tgoto out;\",\n \"\\tif (follow_pte(vma->vm_mm, address, &ptep, &ptl))\\n\\t\\tgoto out;\\n\\tpte = *ptep;\",\n \"\\tif ((flags & FOLL_WRITE) && !pte_write(pte))\\n\\t\\tgoto unlock;\",\n \"\\t*prot = pgprot_val(pte_pgprot(pte));\\n\\t*phys = (resource_size_t)pte_pfn(pte) << PAGE_SHIFT;\",\n \"\\tret = 0;\\nunlock:\\n\\tpte_unmap_unlock(ptep, ptl);\\nout:\\n\\treturn ret;\\n}\",\n \"int generic_access_phys(struct vm_area_struct *vma, unsigned long addr,\\n\\t\\t\\tvoid *buf, int len, int write)\\n{\\n\\tresource_size_t phys_addr;\\n\\tunsigned long prot = 0;\\n\\tvoid __iomem *maddr;\\n\\tint offset = addr & (PAGE_SIZE-1);\",\n \"\\tif (follow_phys(vma, addr, write, &prot, &phys_addr))\\n\\t\\treturn -EINVAL;\",\n \"\\tmaddr = ioremap_prot(phys_addr, PAGE_SIZE, prot);\\n\\tif (write)\\n\\t\\tmemcpy_toio(maddr + offset, buf, len);\\n\\telse\\n\\t\\tmemcpy_fromio(buf, maddr + offset, len);\\n\\tiounmap(maddr);\",\n \"\\treturn len;\\n}\\n#endif\",\n \"/*\\n * Access another process' address space as given in mm. If non-NULL, use the\\n * given task for page fault accounting.\\n */\\nstatic int __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm,\\n\\t\\tunsigned long addr, void *buf, int len, int write)\\n{\\n\\tstruct vm_area_struct *vma;\\n\\tvoid *old_buf = buf;\",\n \"\\tdown_read(&mm->mmap_sem);\\n\\t/* ignore errors, just check how much was successfully transferred */\\n\\twhile (len) {\\n\\t\\tint bytes, ret, offset;\\n\\t\\tvoid *maddr;\\n\\t\\tstruct page *page = NULL;\",\n \"\\t\\tret = get_user_pages(tsk, mm, addr, 1,\\n\\t\\t\\t\\twrite, 1, &page, &vma);\\n\\t\\tif (ret <= 0) {\\n\\t\\t\\t/*\\n\\t\\t\\t * Check if this is a VM_IO | VM_PFNMAP VMA, which\\n\\t\\t\\t * we can access using slightly different code.\\n\\t\\t\\t */\\n#ifdef CONFIG_HAVE_IOREMAP_PROT\\n\\t\\t\\tvma = find_vma(mm, addr);\\n\\t\\t\\tif (!vma || vma->vm_start > addr)\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\tif (vma->vm_ops && vma->vm_ops->access)\\n\\t\\t\\t\\tret = vma->vm_ops->access(vma, addr, buf,\\n\\t\\t\\t\\t\\t\\t\\t len, write);\\n\\t\\t\\tif (ret <= 0)\\n#endif\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\tbytes = ret;\\n\\t\\t} else {\\n\\t\\t\\tbytes = len;\\n\\t\\t\\toffset = addr & (PAGE_SIZE-1);\\n\\t\\t\\tif (bytes > PAGE_SIZE-offset)\\n\\t\\t\\t\\tbytes = PAGE_SIZE-offset;\",\n \"\\t\\t\\tmaddr = kmap(page);\\n\\t\\t\\tif (write) {\\n\\t\\t\\t\\tcopy_to_user_page(vma, page, addr,\\n\\t\\t\\t\\t\\t\\t maddr + offset, buf, bytes);\\n\\t\\t\\t\\tset_page_dirty_lock(page);\\n\\t\\t\\t} else {\\n\\t\\t\\t\\tcopy_from_user_page(vma, page, addr,\\n\\t\\t\\t\\t\\t\\t buf, maddr + offset, bytes);\\n\\t\\t\\t}\\n\\t\\t\\tkunmap(page);\\n\\t\\t\\tpage_cache_release(page);\\n\\t\\t}\\n\\t\\tlen -= bytes;\\n\\t\\tbuf += bytes;\\n\\t\\taddr += bytes;\\n\\t}\\n\\tup_read(&mm->mmap_sem);\",\n \"\\treturn buf - old_buf;\\n}\",\n \"/**\\n * access_remote_vm - access another process' address space\\n * @mm:\\t\\tthe mm_struct of the target address space\\n * @addr:\\tstart address to access\\n * @buf:\\tsource or destination buffer\\n * @len:\\tnumber of bytes to transfer\\n * @write:\\twhether the access is a write\\n *\\n * The caller must hold a reference on @mm.\\n */\\nint access_remote_vm(struct mm_struct *mm, unsigned long addr,\\n\\t\\tvoid *buf, int len, int write)\\n{\\n\\treturn __access_remote_vm(NULL, mm, addr, buf, len, write);\\n}\",\n \"/*\\n * Access another process' address space.\\n * Source/target buffer must be kernel space,\\n * Do not walk the page table directly, use get_user_pages\\n */\\nint access_process_vm(struct task_struct *tsk, unsigned long addr,\\n\\t\\tvoid *buf, int len, int write)\\n{\\n\\tstruct mm_struct *mm;\\n\\tint ret;\",\n \"\\tmm = get_task_mm(tsk);\\n\\tif (!mm)\\n\\t\\treturn 0;\",\n \"\\tret = __access_remote_vm(tsk, mm, addr, buf, len, write);\\n\\tmmput(mm);\",\n \"\\treturn ret;\\n}\",\n \"/*\\n * Print the name of a VMA.\\n */\\nvoid print_vma_addr(char *prefix, unsigned long ip)\\n{\\n\\tstruct mm_struct *mm = current->mm;\\n\\tstruct vm_area_struct *vma;\",\n \"\\t/*\\n\\t * Do not print if we are in atomic\\n\\t * contexts (in exception stacks, etc.):\\n\\t */\\n\\tif (preempt_count())\\n\\t\\treturn;\",\n \"\\tdown_read(&mm->mmap_sem);\\n\\tvma = find_vma(mm, ip);\\n\\tif (vma && vma->vm_file) {\\n\\t\\tstruct file *f = vma->vm_file;\\n\\t\\tchar *buf = (char *)__get_free_page(GFP_KERNEL);\\n\\t\\tif (buf) {\\n\\t\\t\\tchar *p;\",\n \"\\t\\t\\tp = d_path(&f->f_path, buf, PAGE_SIZE);\\n\\t\\t\\tif (IS_ERR(p))\\n\\t\\t\\t\\tp = \\\"?\\\";\\n\\t\\t\\tprintk(\\\"%s%s[%lx+%lx]\\\", prefix, kbasename(p),\\n\\t\\t\\t\\t\\tvma->vm_start,\\n\\t\\t\\t\\t\\tvma->vm_end - vma->vm_start);\\n\\t\\t\\tfree_page((unsigned long)buf);\\n\\t\\t}\\n\\t}\\n\\tup_read(&mm->mmap_sem);\\n}\",\n \"#ifdef CONFIG_PROVE_LOCKING\\nvoid might_fault(void)\\n{\\n\\t/*\\n\\t * Some code (nfs/sunrpc) uses socket ops on kernel memory while\\n\\t * holding the mmap_sem, this is safe because kernel memory doesn't\\n\\t * get paged out, therefore we'll never actually fault, and the\\n\\t * below annotations will generate false positives.\\n\\t */\\n\\tif (segment_eq(get_fs(), KERNEL_DS))\\n\\t\\treturn;\",\n \"\\tmight_sleep();\\n\\t/*\\n\\t * it would be nicer only to annotate paths which are not under\\n\\t * pagefault_disable, however that requires a larger audit and\\n\\t * providing helpers like get_user_atomic.\\n\\t */\\n\\tif (!in_atomic() && current->mm)\\n\\t\\tmight_lock_read(¤t->mm->mmap_sem);\\n}\\nEXPORT_SYMBOL(might_fault);\\n#endif\",\n \"#if defined(CONFIG_TRANSPARENT_HUGEPAGE) || defined(CONFIG_HUGETLBFS)\\nstatic void clear_gigantic_page(struct page *page,\\n\\t\\t\\t\\tunsigned long addr,\\n\\t\\t\\t\\tunsigned int pages_per_huge_page)\\n{\\n\\tint i;\\n\\tstruct page *p = page;\",\n \"\\tmight_sleep();\\n\\tfor (i = 0; i < pages_per_huge_page;\\n\\t i++, p = mem_map_next(p, page, i)) {\\n\\t\\tcond_resched();\\n\\t\\tclear_user_highpage(p, addr + i * PAGE_SIZE);\\n\\t}\\n}\\nvoid clear_huge_page(struct page *page,\\n\\t\\t unsigned long addr, unsigned int pages_per_huge_page)\\n{\\n\\tint i;\",\n \"\\tif (unlikely(pages_per_huge_page > MAX_ORDER_NR_PAGES)) {\\n\\t\\tclear_gigantic_page(page, addr, pages_per_huge_page);\\n\\t\\treturn;\\n\\t}\",\n \"\\tmight_sleep();\\n\\tfor (i = 0; i < pages_per_huge_page; i++) {\\n\\t\\tcond_resched();\\n\\t\\tclear_user_highpage(page + i, addr + i * PAGE_SIZE);\\n\\t}\\n}\",\n \"static void copy_user_gigantic_page(struct page *dst, struct page *src,\\n\\t\\t\\t\\t unsigned long addr,\\n\\t\\t\\t\\t struct vm_area_struct *vma,\\n\\t\\t\\t\\t unsigned int pages_per_huge_page)\\n{\\n\\tint i;\\n\\tstruct page *dst_base = dst;\\n\\tstruct page *src_base = src;\",\n \"\\tfor (i = 0; i < pages_per_huge_page; ) {\\n\\t\\tcond_resched();\\n\\t\\tcopy_user_highpage(dst, src, addr + i*PAGE_SIZE, vma);\",\n \"\\t\\ti++;\\n\\t\\tdst = mem_map_next(dst, dst_base, i);\\n\\t\\tsrc = mem_map_next(src, src_base, i);\\n\\t}\\n}\",\n \"void copy_user_huge_page(struct page *dst, struct page *src,\\n\\t\\t\\t unsigned long addr, struct vm_area_struct *vma,\\n\\t\\t\\t unsigned int pages_per_huge_page)\\n{\\n\\tint i;\",\n \"\\tif (unlikely(pages_per_huge_page > MAX_ORDER_NR_PAGES)) {\\n\\t\\tcopy_user_gigantic_page(dst, src, addr, vma,\\n\\t\\t\\t\\t\\tpages_per_huge_page);\\n\\t\\treturn;\\n\\t}\",\n \"\\tmight_sleep();\\n\\tfor (i = 0; i < pages_per_huge_page; i++) {\\n\\t\\tcond_resched();\\n\\t\\tcopy_user_highpage(dst + i, src + i, addr + i*PAGE_SIZE, vma);\\n\\t}\\n}\\n#endif /* CONFIG_TRANSPARENT_HUGEPAGE || CONFIG_HUGETLBFS */\"\n]","isConversational":false},"labels":{"kind":"list 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\"cisaExploitAdd\": \"2022-09-15\", \"cisaRequiredAction\": \"Apply updates per vendor instructions.\", \"cisaVulnerabilityName\": \"Linux Kernel Integer Overflow Vulnerability\", \"configurations\": [{\"nodes\": [{\"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"D11FDC31-8717-4FE1-A2F0-731D2F387B2E\", \"versionEndExcluding\": null, \"versionEndIncluding\": \"3.8.8\", \"versionStartExcluding\": null, \"versionStartIncluding\": null, \"vulnerable\": true}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:3.8.0:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"1A6E41FB-38CE-49F2-B796-9A5AA648E73F\", \"versionEndExcluding\": null, \"versionEndIncluding\": null, \"versionStartExcluding\": null, \"versionStartIncluding\": null, \"vulnerable\": true}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:3.8.1:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"93523FE1-5993-46CB-9299-7C8C1A04E873\", \"versionEndExcluding\": null, \"versionEndIncluding\": null, 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\"versionEndIncluding\": null, \"versionStartExcluding\": null, \"versionStartIncluding\": null, \"vulnerable\": true}], \"negate\": false, \"operator\": \"OR\"}, {\"cpeMatch\": [{\"criteria\": \"cpe:2.3:h:motorola:atrix_hd:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"75B24D97-F98A-4A1A-B20E-EB6D610C71EA\", \"versionEndExcluding\": null, \"versionEndIncluding\": null, \"versionStartExcluding\": null, \"versionStartIncluding\": null, \"vulnerable\": true}, {\"criteria\": \"cpe:2.3:h:motorola:razr_hd:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"A5D2D0B7-8170-46F2-9FC8-2DDD3E96DE66\", \"versionEndExcluding\": null, \"versionEndIncluding\": null, \"versionStartExcluding\": null, \"versionStartIncluding\": null, \"vulnerable\": true}, {\"criteria\": \"cpe:2.3:h:motorola:razr_m:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"01FE07B3-068A-4C2A-A985-631070C17F51\", \"versionEndExcluding\": null, \"versionEndIncluding\": null, \"versionStartExcluding\": null, \"versionStartIncluding\": null, 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f\\u00edsicamente pr\\u00f3ximos obtener acceso de root entrando en el modo de depuraci\\u00f3n USB, usando Android Debug Bridge (ADB) para establecer una conexi\\u00f3n USB, y cargar y ejecutar el programa pwn Motochopper.\"}], \"evaluatorComment\": null, \"id\": \"CVE-2013-2596\", \"lastModified\": \"2016-12-31T02:59:02.887\", \"metrics\": {\"cvssMetricV2\": [{\"acInsufInfo\": false, \"baseSeverity\": \"MEDIUM\", \"cvssData\": {\"accessComplexity\": \"MEDIUM\", \"accessVector\": \"LOCAL\", \"authentication\": \"NONE\", \"availabilityImpact\": \"COMPLETE\", \"baseScore\": 6.9, \"confidentialityImpact\": \"COMPLETE\", \"integrityImpact\": \"COMPLETE\", \"vectorString\": \"AV:L/AC:M/Au:N/C:C/I:C/A:C\", \"version\": \"2.0\"}, \"exploitabilityScore\": 3.4, \"impactScore\": 10.0, \"obtainAllPrivilege\": true, \"obtainOtherPrivilege\": false, \"obtainUserPrivilege\": false, \"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"userInteractionRequired\": false}], \"cvssMetricV30\": null, \"cvssMetricV31\": null}, \"published\": \"2013-04-13T02:59:46.627\", \"references\": [{\"source\": \"cve@mitre.org\", \"tags\": [\"Exploit\"], \"url\": \"http://forum.xda-developers.com/showthread.php?t=2255491\"}, {\"source\": \"cve@mitre.org\", \"tags\": [\"Patch\"], \"url\": \"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b4cbb197c7e7a68dbad0d491242e3ca67420c13e\"}, {\"source\": \"cve@mitre.org\", \"tags\": [\"Exploit\", \"Patch\"], \"url\": \"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=fc9bbca8f650e5f738af8806317c0a041a48ae4a\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761\"}, {\"source\": \"cve@mitre.org\", \"tags\": [\"Patch\"], \"url\": \"http://marc.info/?l=linux-kernel&m=136616837923938&w=2\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://rhn.redhat.com/errata/RHSA-2015-0695.html\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://rhn.redhat.com/errata/RHSA-2015-0782.html\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://rhn.redhat.com/errata/RHSA-2015-0803.html\"}, {\"source\": \"cve@mitre.org\", \"tags\": [\"Exploit\"], \"url\": \"http://www.droid-life.com/2013/04/09/root-method-released-for-droid-razr-hd-running-android-4-1-2-other-devices-too/\"}, {\"source\": \"cve@mitre.org\", \"tags\": [\"Exploit\"], \"url\": \"http://www.droidrzr.com/index.php/topic/15208-root-motochopper-yet-another-android-root-exploit/\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.9\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://www.mandriva.com/security/advisories?name=MDVSA-2013:176\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://www.securityfocus.com/bid/59264\"}, {\"source\": \"cve@mitre.org\", \"tags\": [\"Patch\"], \"url\": \"https://github.com/torvalds/linux/commit/b4cbb197c7e7a68dbad0d491242e3ca67420c13e\"}, {\"source\": \"cve@mitre.org\", \"tags\": [\"Exploit\", \"Patch\"], \"url\": \"https://github.com/torvalds/linux/commit/fc9bbca8f650e5f738af8806317c0a041a48ae4a\"}], \"sourceIdentifier\": \"cve@mitre.org\", \"vendorComments\": null, \"vulnStatus\": \"Modified\", \"weaknesses\": [{\"description\": [{\"lang\": \"en\", \"value\": \"CWE-189\"}], \"source\": \"nvd@nist.gov\", \"type\": \"Primary\"}]}, \"github_commit_url\": \"https://github.com/torvalds/linux/commit/b4cbb197c7e7a68dbad0d491242e3ca67420c13e\"}, \"type\": \"CWE-189\"}"},"index":{"kind":"number","value":859,"string":"859"}}},{"rowIdx":5091,"cells":{"prompt":{"kind":"string","value":"Determine whether the {function_name} code is vulnerable or not."},"completions":{"kind":"list like","value":["/*\n * linux/mm/memory.c\n *\n * Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds\n */","/*\n * demand-loading started 01.12.91 - seems it is high on the list of\n * things wanted, and it should be easy to implement. - Linus\n */","/*\n * Ok, demand-loading was easy, shared pages a little bit tricker. Shared\n * pages started 02.12.91, seems to work. - Linus.\n *\n * Tested sharing by executing about 30 /bin/sh: under the old kernel it\n * would have taken more than the 6M I have free, but it worked well as\n * far as I could see.\n *\n * Also corrected some \"invalidate()\"s - I wasn't doing enough of them.\n */","/*\n * Real VM (paging to/from disk) started 18.12.91. Much more work and\n * thought has to go into this. Oh, well..\n * 19.12.91 - works, somewhat. Sometimes I get faults, don't know why.\n *\t\tFound it. Everything seems to work now.\n * 20.12.91 - Ok, making the swap-device changeable like the root.\n */","/*\n * 05.04.94 - Multi-page memory management added for v1.1.\n * \t\tIdea by Alex Bligh (alex@cconcepts.co.uk)\n *\n * 16.07.99 - Support of BIGMEM added by Gerhard Wichert, Siemens AG\n *\t\t(Gerhard.Wichert@pdb.siemens.de)\n *\n * Aug/Sep 2004 Changed to four level page tables (Andi Kleen)\n */","#include <linux/kernel_stat.h>\n#include <linux/mm.h>\n#include <linux/hugetlb.h>\n#include <linux/mman.h>\n#include <linux/swap.h>\n#include <linux/highmem.h>\n#include <linux/pagemap.h>\n#include <linux/ksm.h>\n#include <linux/rmap.h>\n#include <linux/export.h>\n#include <linux/delayacct.h>\n#include <linux/init.h>\n#include <linux/writeback.h>\n#include <linux/memcontrol.h>\n#include <linux/mmu_notifier.h>\n#include <linux/kallsyms.h>\n#include <linux/swapops.h>\n#include <linux/elf.h>\n#include <linux/gfp.h>\n#include <linux/migrate.h>\n#include <linux/string.h>","#include <asm/io.h>\n#include <asm/pgalloc.h>\n#include <asm/uaccess.h>\n#include <asm/tlb.h>\n#include <asm/tlbflush.h>\n#include <asm/pgtable.h>","#include \"internal.h\"","#ifdef LAST_NID_NOT_IN_PAGE_FLAGS\n#warning Unfortunate NUMA and NUMA Balancing config, growing page-frame for last_nid.\n#endif","#ifndef CONFIG_NEED_MULTIPLE_NODES\n/* use the per-pgdat data instead for discontigmem - mbligh */\nunsigned long max_mapnr;\nstruct page *mem_map;","EXPORT_SYMBOL(max_mapnr);\nEXPORT_SYMBOL(mem_map);\n#endif","unsigned long num_physpages;\n/*\n * A number of key systems in x86 including ioremap() rely on the assumption\n * that high_memory defines the upper bound on direct map memory, then end\n * of ZONE_NORMAL. Under CONFIG_DISCONTIG this means that max_low_pfn and\n * highstart_pfn must be the same; there must be no gap between ZONE_NORMAL\n * and ZONE_HIGHMEM.\n */\nvoid * high_memory;","EXPORT_SYMBOL(num_physpages);\nEXPORT_SYMBOL(high_memory);","/*\n * Randomize the address space (stacks, mmaps, brk, etc.).\n *\n * ( When CONFIG_COMPAT_BRK=y we exclude brk from randomization,\n * as ancient (libc5 based) binaries can segfault. )\n */\nint randomize_va_space __read_mostly =\n#ifdef CONFIG_COMPAT_BRK\n\t\t\t\t\t1;\n#else\n\t\t\t\t\t2;\n#endif","static int __init disable_randmaps(char *s)\n{\n\trandomize_va_space = 0;\n\treturn 1;\n}\n__setup(\"norandmaps\", disable_randmaps);","unsigned long zero_pfn __read_mostly;\nunsigned long highest_memmap_pfn __read_mostly;","/*\n * CONFIG_MMU architectures set up ZERO_PAGE in their paging_init()\n */\nstatic int __init init_zero_pfn(void)\n{\n\tzero_pfn = page_to_pfn(ZERO_PAGE(0));\n\treturn 0;\n}\ncore_initcall(init_zero_pfn);","\n#if defined(SPLIT_RSS_COUNTING)","void sync_mm_rss(struct mm_struct *mm)\n{\n\tint i;","\tfor (i = 0; i < NR_MM_COUNTERS; i++) {\n\t\tif (current->rss_stat.count[i]) {\n\t\t\tadd_mm_counter(mm, i, current->rss_stat.count[i]);\n\t\t\tcurrent->rss_stat.count[i] = 0;\n\t\t}\n\t}\n\tcurrent->rss_stat.events = 0;\n}","static void add_mm_counter_fast(struct mm_struct *mm, int member, int val)\n{\n\tstruct task_struct *task = current;","\tif (likely(task->mm == mm))\n\t\ttask->rss_stat.count[member] += val;\n\telse\n\t\tadd_mm_counter(mm, member, val);\n}\n#define inc_mm_counter_fast(mm, member) add_mm_counter_fast(mm, member, 1)\n#define dec_mm_counter_fast(mm, member) add_mm_counter_fast(mm, member, -1)","/* sync counter once per 64 page faults */\n#define TASK_RSS_EVENTS_THRESH\t(64)\nstatic void check_sync_rss_stat(struct task_struct *task)\n{\n\tif (unlikely(task != current))\n\t\treturn;\n\tif (unlikely(task->rss_stat.events++ > TASK_RSS_EVENTS_THRESH))\n\t\tsync_mm_rss(task->mm);\n}\n#else /* SPLIT_RSS_COUNTING */","#define inc_mm_counter_fast(mm, member) inc_mm_counter(mm, member)\n#define dec_mm_counter_fast(mm, member) dec_mm_counter(mm, member)","static void check_sync_rss_stat(struct task_struct *task)\n{\n}","#endif /* SPLIT_RSS_COUNTING */","#ifdef HAVE_GENERIC_MMU_GATHER","static int tlb_next_batch(struct mmu_gather *tlb)\n{\n\tstruct mmu_gather_batch *batch;","\tbatch = tlb->active;\n\tif (batch->next) {\n\t\ttlb->active = batch->next;\n\t\treturn 1;\n\t}","\tif (tlb->batch_count == MAX_GATHER_BATCH_COUNT)\n\t\treturn 0;","\tbatch = (void *)__get_free_pages(GFP_NOWAIT | __GFP_NOWARN, 0);\n\tif (!batch)\n\t\treturn 0;","\ttlb->batch_count++;\n\tbatch->next = NULL;\n\tbatch->nr = 0;\n\tbatch->max = MAX_GATHER_BATCH;","\ttlb->active->next = batch;\n\ttlb->active = batch;","\treturn 1;\n}","/* tlb_gather_mmu\n *\tCalled to initialize an (on-stack) mmu_gather structure for page-table\n *\ttear-down from @mm. The @fullmm argument is used when @mm is without\n *\tusers and we're going to destroy the full address space (exit/execve).\n */\nvoid tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, bool fullmm)\n{\n\ttlb->mm = mm;","\ttlb->fullmm = fullmm;\n\ttlb->need_flush_all = 0;\n\ttlb->start\t= -1UL;\n\ttlb->end\t= 0;\n\ttlb->need_flush = 0;\n\ttlb->fast_mode = (num_possible_cpus() == 1);\n\ttlb->local.next = NULL;\n\ttlb->local.nr = 0;\n\ttlb->local.max = ARRAY_SIZE(tlb->__pages);\n\ttlb->active = &tlb->local;\n\ttlb->batch_count = 0;","#ifdef CONFIG_HAVE_RCU_TABLE_FREE\n\ttlb->batch = NULL;\n#endif\n}","void tlb_flush_mmu(struct mmu_gather *tlb)\n{\n\tstruct mmu_gather_batch *batch;","\tif (!tlb->need_flush)\n\t\treturn;\n\ttlb->need_flush = 0;\n\ttlb_flush(tlb);\n#ifdef CONFIG_HAVE_RCU_TABLE_FREE\n\ttlb_table_flush(tlb);\n#endif","\tif (tlb_fast_mode(tlb))\n\t\treturn;","\tfor (batch = &tlb->local; batch; batch = batch->next) {\n\t\tfree_pages_and_swap_cache(batch->pages, batch->nr);\n\t\tbatch->nr = 0;\n\t}\n\ttlb->active = &tlb->local;\n}","/* tlb_finish_mmu\n *\tCalled at the end of the shootdown operation to free up any resources\n *\tthat were required.\n */\nvoid tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end)\n{\n\tstruct mmu_gather_batch *batch, *next;","\ttlb->start = start;\n\ttlb->end = end;\n\ttlb_flush_mmu(tlb);","\t/* keep the page table cache within bounds */\n\tcheck_pgt_cache();","\tfor (batch = tlb->local.next; batch; batch = next) {\n\t\tnext = batch->next;\n\t\tfree_pages((unsigned long)batch, 0);\n\t}\n\ttlb->local.next = NULL;\n}","/* __tlb_remove_page\n *\tMust perform the equivalent to __free_pte(pte_get_and_clear(ptep)), while\n *\thandling the additional races in SMP caused by other CPUs caching valid\n *\tmappings in their TLBs. Returns the number of free page slots left.\n *\tWhen out of page slots we must call tlb_flush_mmu().\n */\nint __tlb_remove_page(struct mmu_gather *tlb, struct page *page)\n{\n\tstruct mmu_gather_batch *batch;","\tVM_BUG_ON(!tlb->need_flush);","\tif (tlb_fast_mode(tlb)) {\n\t\tfree_page_and_swap_cache(page);\n\t\treturn 1; /* avoid calling tlb_flush_mmu() */\n\t}","\tbatch = tlb->active;\n\tbatch->pages[batch->nr++] = page;\n\tif (batch->nr == batch->max) {\n\t\tif (!tlb_next_batch(tlb))\n\t\t\treturn 0;\n\t\tbatch = tlb->active;\n\t}\n\tVM_BUG_ON(batch->nr > batch->max);","\treturn batch->max - batch->nr;\n}","#endif /* HAVE_GENERIC_MMU_GATHER */","#ifdef CONFIG_HAVE_RCU_TABLE_FREE","/*\n * See the comment near struct mmu_table_batch.\n */","static void tlb_remove_table_smp_sync(void *arg)\n{\n\t/* Simply deliver the interrupt */\n}","static void tlb_remove_table_one(void *table)\n{\n\t/*\n\t * This isn't an RCU grace period and hence the page-tables cannot be\n\t * assumed to be actually RCU-freed.\n\t *\n\t * It is however sufficient for software page-table walkers that rely on\n\t * IRQ disabling. See the comment near struct mmu_table_batch.\n\t */\n\tsmp_call_function(tlb_remove_table_smp_sync, NULL, 1);\n\t__tlb_remove_table(table);\n}","static void tlb_remove_table_rcu(struct rcu_head *head)\n{\n\tstruct mmu_table_batch *batch;\n\tint i;","\tbatch = container_of(head, struct mmu_table_batch, rcu);","\tfor (i = 0; i < batch->nr; i++)\n\t\t__tlb_remove_table(batch->tables[i]);","\tfree_page((unsigned long)batch);\n}","void tlb_table_flush(struct mmu_gather *tlb)\n{\n\tstruct mmu_table_batch **batch = &tlb->batch;","\tif (*batch) {\n\t\tcall_rcu_sched(&(*batch)->rcu, tlb_remove_table_rcu);\n\t\t*batch = NULL;\n\t}\n}","void tlb_remove_table(struct mmu_gather *tlb, void *table)\n{\n\tstruct mmu_table_batch **batch = &tlb->batch;","\ttlb->need_flush = 1;","\t/*\n\t * When there's less then two users of this mm there cannot be a\n\t * concurrent page-table walk.\n\t */\n\tif (atomic_read(&tlb->mm->mm_users) < 2) {\n\t\t__tlb_remove_table(table);\n\t\treturn;\n\t}","\tif (*batch == NULL) {\n\t\t*batch = (struct mmu_table_batch *)__get_free_page(GFP_NOWAIT | __GFP_NOWARN);\n\t\tif (*batch == NULL) {\n\t\t\ttlb_remove_table_one(table);\n\t\t\treturn;\n\t\t}\n\t\t(*batch)->nr = 0;\n\t}\n\t(*batch)->tables[(*batch)->nr++] = table;\n\tif ((*batch)->nr == MAX_TABLE_BATCH)\n\t\ttlb_table_flush(tlb);\n}","#endif /* CONFIG_HAVE_RCU_TABLE_FREE */","/*\n * If a p?d_bad entry is found while walking page tables, report\n * the error, before resetting entry to p?d_none. Usually (but\n * very seldom) called out from the p?d_none_or_clear_bad macros.\n */","void pgd_clear_bad(pgd_t *pgd)\n{\n\tpgd_ERROR(*pgd);\n\tpgd_clear(pgd);\n}","void pud_clear_bad(pud_t *pud)\n{\n\tpud_ERROR(*pud);\n\tpud_clear(pud);\n}","void pmd_clear_bad(pmd_t *pmd)\n{\n\tpmd_ERROR(*pmd);\n\tpmd_clear(pmd);\n}","/*\n * Note: this doesn't free the actual pages themselves. That\n * has been handled earlier when unmapping all the memory regions.\n */\nstatic void free_pte_range(struct mmu_gather *tlb, pmd_t *pmd,\n\t\t\t unsigned long addr)\n{\n\tpgtable_t token = pmd_pgtable(*pmd);\n\tpmd_clear(pmd);\n\tpte_free_tlb(tlb, token, addr);\n\ttlb->mm->nr_ptes--;\n}","static inline void free_pmd_range(struct mmu_gather *tlb, pud_t *pud,\n\t\t\t\tunsigned long addr, unsigned long end,\n\t\t\t\tunsigned long floor, unsigned long ceiling)\n{\n\tpmd_t *pmd;\n\tunsigned long next;\n\tunsigned long start;","\tstart = addr;\n\tpmd = pmd_offset(pud, addr);\n\tdo {\n\t\tnext = pmd_addr_end(addr, end);\n\t\tif (pmd_none_or_clear_bad(pmd))\n\t\t\tcontinue;\n\t\tfree_pte_range(tlb, pmd, addr);\n\t} while (pmd++, addr = next, addr != end);","\tstart &= PUD_MASK;\n\tif (start < floor)\n\t\treturn;\n\tif (ceiling) {\n\t\tceiling &= PUD_MASK;\n\t\tif (!ceiling)\n\t\t\treturn;\n\t}\n\tif (end - 1 > ceiling - 1)\n\t\treturn;","\tpmd = pmd_offset(pud, start);\n\tpud_clear(pud);\n\tpmd_free_tlb(tlb, pmd, start);\n}","static inline void free_pud_range(struct mmu_gather *tlb, pgd_t *pgd,\n\t\t\t\tunsigned long addr, unsigned long end,\n\t\t\t\tunsigned long floor, unsigned long ceiling)\n{\n\tpud_t *pud;\n\tunsigned long next;\n\tunsigned long start;","\tstart = addr;\n\tpud = pud_offset(pgd, addr);\n\tdo {\n\t\tnext = pud_addr_end(addr, end);\n\t\tif (pud_none_or_clear_bad(pud))\n\t\t\tcontinue;\n\t\tfree_pmd_range(tlb, pud, addr, next, floor, ceiling);\n\t} while (pud++, addr = next, addr != end);","\tstart &= PGDIR_MASK;\n\tif (start < floor)\n\t\treturn;\n\tif (ceiling) {\n\t\tceiling &= PGDIR_MASK;\n\t\tif (!ceiling)\n\t\t\treturn;\n\t}\n\tif (end - 1 > ceiling - 1)\n\t\treturn;","\tpud = pud_offset(pgd, start);\n\tpgd_clear(pgd);\n\tpud_free_tlb(tlb, pud, start);\n}","/*\n * This function frees user-level page tables of a process.\n *\n * Must be called with pagetable lock held.\n */\nvoid free_pgd_range(struct mmu_gather *tlb,\n\t\t\tunsigned long addr, unsigned long end,\n\t\t\tunsigned long floor, unsigned long ceiling)\n{\n\tpgd_t *pgd;\n\tunsigned long next;","\t/*\n\t * The next few lines have given us lots of grief...\n\t *\n\t * Why are we testing PMD* at this top level? Because often\n\t * there will be no work to do at all, and we'd prefer not to\n\t * go all the way down to the bottom just to discover that.\n\t *\n\t * Why all these \"- 1\"s? Because 0 represents both the bottom\n\t * of the address space and the top of it (using -1 for the\n\t * top wouldn't help much: the masks would do the wrong thing).\n\t * The rule is that addr 0 and floor 0 refer to the bottom of\n\t * the address space, but end 0 and ceiling 0 refer to the top\n\t * Comparisons need to use \"end - 1\" and \"ceiling - 1\" (though\n\t * that end 0 case should be mythical).\n\t *\n\t * Wherever addr is brought up or ceiling brought down, we must\n\t * be careful to reject \"the opposite 0\" before it confuses the\n\t * subsequent tests. But what about where end is brought down\n\t * by PMD_SIZE below? no, end can't go down to 0 there.\n\t *\n\t * Whereas we round start (addr) and ceiling down, by different\n\t * masks at different levels, in order to test whether a table\n\t * now has no other vmas using it, so can be freed, we don't\n\t * bother to round floor or end up - the tests don't need that.\n\t */","\taddr &= PMD_MASK;\n\tif (addr < floor) {\n\t\taddr += PMD_SIZE;\n\t\tif (!addr)\n\t\t\treturn;\n\t}\n\tif (ceiling) {\n\t\tceiling &= PMD_MASK;\n\t\tif (!ceiling)\n\t\t\treturn;\n\t}\n\tif (end - 1 > ceiling - 1)\n\t\tend -= PMD_SIZE;\n\tif (addr > end - 1)\n\t\treturn;","\tpgd = pgd_offset(tlb->mm, addr);\n\tdo {\n\t\tnext = pgd_addr_end(addr, end);\n\t\tif (pgd_none_or_clear_bad(pgd))\n\t\t\tcontinue;\n\t\tfree_pud_range(tlb, pgd, addr, next, floor, ceiling);\n\t} while (pgd++, addr = next, addr != end);\n}","void free_pgtables(struct mmu_gather *tlb, struct vm_area_struct *vma,\n\t\tunsigned long floor, unsigned long ceiling)\n{\n\twhile (vma) {\n\t\tstruct vm_area_struct *next = vma->vm_next;\n\t\tunsigned long addr = vma->vm_start;","\t\t/*\n\t\t * Hide vma from rmap and truncate_pagecache before freeing\n\t\t * pgtables\n\t\t */\n\t\tunlink_anon_vmas(vma);\n\t\tunlink_file_vma(vma);","\t\tif (is_vm_hugetlb_page(vma)) {\n\t\t\thugetlb_free_pgd_range(tlb, addr, vma->vm_end,\n\t\t\t\tfloor, next? next->vm_start: ceiling);\n\t\t} else {\n\t\t\t/*\n\t\t\t * Optimization: gather nearby vmas into one call down\n\t\t\t */\n\t\t\twhile (next && next->vm_start <= vma->vm_end + PMD_SIZE\n\t\t\t && !is_vm_hugetlb_page(next)) {\n\t\t\t\tvma = next;\n\t\t\t\tnext = vma->vm_next;\n\t\t\t\tunlink_anon_vmas(vma);\n\t\t\t\tunlink_file_vma(vma);\n\t\t\t}\n\t\t\tfree_pgd_range(tlb, addr, vma->vm_end,\n\t\t\t\tfloor, next? next->vm_start: ceiling);\n\t\t}\n\t\tvma = next;\n\t}\n}","int __pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma,\n\t\tpmd_t *pmd, unsigned long address)\n{\n\tpgtable_t new = pte_alloc_one(mm, address);\n\tint wait_split_huge_page;\n\tif (!new)\n\t\treturn -ENOMEM;","\t/*\n\t * Ensure all pte setup (eg. pte page lock and page clearing) are\n\t * visible before the pte is made visible to other CPUs by being\n\t * put into page tables.\n\t *\n\t * The other side of the story is the pointer chasing in the page\n\t * table walking code (when walking the page table without locking;\n\t * ie. most of the time). Fortunately, these data accesses consist\n\t * of a chain of data-dependent loads, meaning most CPUs (alpha\n\t * being the notable exception) will already guarantee loads are\n\t * seen in-order. See the alpha page table accessors for the\n\t * smp_read_barrier_depends() barriers in page table walking code.\n\t */\n\tsmp_wmb(); /* Could be smp_wmb__xxx(before|after)_spin_lock */","\tspin_lock(&mm->page_table_lock);\n\twait_split_huge_page = 0;\n\tif (likely(pmd_none(*pmd))) {\t/* Has another populated it ? */\n\t\tmm->nr_ptes++;\n\t\tpmd_populate(mm, pmd, new);\n\t\tnew = NULL;\n\t} else if (unlikely(pmd_trans_splitting(*pmd)))\n\t\twait_split_huge_page = 1;\n\tspin_unlock(&mm->page_table_lock);\n\tif (new)\n\t\tpte_free(mm, new);\n\tif (wait_split_huge_page)\n\t\twait_split_huge_page(vma->anon_vma, pmd);\n\treturn 0;\n}","int __pte_alloc_kernel(pmd_t *pmd, unsigned long address)\n{\n\tpte_t *new = pte_alloc_one_kernel(&init_mm, address);\n\tif (!new)\n\t\treturn -ENOMEM;","\tsmp_wmb(); /* See comment in __pte_alloc */","\tspin_lock(&init_mm.page_table_lock);\n\tif (likely(pmd_none(*pmd))) {\t/* Has another populated it ? */\n\t\tpmd_populate_kernel(&init_mm, pmd, new);\n\t\tnew = NULL;\n\t} else\n\t\tVM_BUG_ON(pmd_trans_splitting(*pmd));\n\tspin_unlock(&init_mm.page_table_lock);\n\tif (new)\n\t\tpte_free_kernel(&init_mm, new);\n\treturn 0;\n}","static inline void init_rss_vec(int *rss)\n{\n\tmemset(rss, 0, sizeof(int) * NR_MM_COUNTERS);\n}","static inline void add_mm_rss_vec(struct mm_struct *mm, int *rss)\n{\n\tint i;","\tif (current->mm == mm)\n\t\tsync_mm_rss(mm);\n\tfor (i = 0; i < NR_MM_COUNTERS; i++)\n\t\tif (rss[i])\n\t\t\tadd_mm_counter(mm, i, rss[i]);\n}","/*\n * This function is called to print an error when a bad pte\n * is found. For example, we might have a PFN-mapped pte in\n * a region that doesn't allow it.\n *\n * The calling function must still handle the error.\n */\nstatic void print_bad_pte(struct vm_area_struct *vma, unsigned long addr,\n\t\t\t pte_t pte, struct page *page)\n{\n\tpgd_t *pgd = pgd_offset(vma->vm_mm, addr);\n\tpud_t *pud = pud_offset(pgd, addr);\n\tpmd_t *pmd = pmd_offset(pud, addr);\n\tstruct address_space *mapping;\n\tpgoff_t index;\n\tstatic unsigned long resume;\n\tstatic unsigned long nr_shown;\n\tstatic unsigned long nr_unshown;","\t/*\n\t * Allow a burst of 60 reports, then keep quiet for that minute;\n\t * or allow a steady drip of one report per second.\n\t */\n\tif (nr_shown == 60) {\n\t\tif (time_before(jiffies, resume)) {\n\t\t\tnr_unshown++;\n\t\t\treturn;\n\t\t}\n\t\tif (nr_unshown) {\n\t\t\tprintk(KERN_ALERT\n\t\t\t\t\"BUG: Bad page map: %lu messages suppressed\\n\",\n\t\t\t\tnr_unshown);\n\t\t\tnr_unshown = 0;\n\t\t}\n\t\tnr_shown = 0;\n\t}\n\tif (nr_shown++ == 0)\n\t\tresume = jiffies + 60 * HZ;","\tmapping = vma->vm_file ? vma->vm_file->f_mapping : NULL;\n\tindex = linear_page_index(vma, addr);","\tprintk(KERN_ALERT\n\t\t\"BUG: Bad page map in process %s pte:%08llx pmd:%08llx\\n\",\n\t\tcurrent->comm,\n\t\t(long long)pte_val(pte), (long long)pmd_val(*pmd));\n\tif (page)\n\t\tdump_page(page);\n\tprintk(KERN_ALERT\n\t\t\"addr:%p vm_flags:%08lx anon_vma:%p mapping:%p index:%lx\\n\",\n\t\t(void *)addr, vma->vm_flags, vma->anon_vma, mapping, index);\n\t/*\n\t * Choose text because data symbols depend on CONFIG_KALLSYMS_ALL=y\n\t */\n\tif (vma->vm_ops)\n\t\tprint_symbol(KERN_ALERT \"vma->vm_ops->fault: %s\\n\",\n\t\t\t\t(unsigned long)vma->vm_ops->fault);\n\tif (vma->vm_file && vma->vm_file->f_op)\n\t\tprint_symbol(KERN_ALERT \"vma->vm_file->f_op->mmap: %s\\n\",\n\t\t\t\t(unsigned long)vma->vm_file->f_op->mmap);\n\tdump_stack();\n\tadd_taint(TAINT_BAD_PAGE, LOCKDEP_NOW_UNRELIABLE);\n}","static inline bool is_cow_mapping(vm_flags_t flags)\n{\n\treturn (flags & (VM_SHARED | VM_MAYWRITE)) == VM_MAYWRITE;\n}","/*\n * vm_normal_page -- This function gets the \"struct page\" associated with a pte.\n *\n * \"Special\" mappings do not wish to be associated with a \"struct page\" (either\n * it doesn't exist, or it exists but they don't want to touch it). In this\n * case, NULL is returned here. \"Normal\" mappings do have a struct page.\n *\n * There are 2 broad cases. Firstly, an architecture may define a pte_special()\n * pte bit, in which case this function is trivial. Secondly, an architecture\n * may not have a spare pte bit, which requires a more complicated scheme,\n * described below.\n *\n * A raw VM_PFNMAP mapping (ie. one that is not COWed) is always considered a\n * special mapping (even if there are underlying and valid \"struct pages\").\n * COWed pages of a VM_PFNMAP are always normal.\n *\n * The way we recognize COWed pages within VM_PFNMAP mappings is through the\n * rules set up by \"remap_pfn_range()\": the vma will have the VM_PFNMAP bit\n * set, and the vm_pgoff will point to the first PFN mapped: thus every special\n * mapping will always honor the rule\n *\n *\tpfn_of_page == vma->vm_pgoff + ((addr - vma->vm_start) >> PAGE_SHIFT)\n *\n * And for normal mappings this is false.\n *\n * This restricts such mappings to be a linear translation from virtual address\n * to pfn. To get around this restriction, we allow arbitrary mappings so long\n * as the vma is not a COW mapping; in that case, we know that all ptes are\n * special (because none can have been COWed).\n *\n *\n * In order to support COW of arbitrary special mappings, we have VM_MIXEDMAP.\n *\n * VM_MIXEDMAP mappings can likewise contain memory with or without \"struct\n * page\" backing, however the difference is that _all_ pages with a struct\n * page (that is, those where pfn_valid is true) are refcounted and considered\n * normal pages by the VM. The disadvantage is that pages are refcounted\n * (which can be slower and simply not an option for some PFNMAP users). The\n * advantage is that we don't have to follow the strict linearity rule of\n * PFNMAP mappings in order to support COWable mappings.\n *\n */\n#ifdef __HAVE_ARCH_PTE_SPECIAL\n# define HAVE_PTE_SPECIAL 1\n#else\n# define HAVE_PTE_SPECIAL 0\n#endif\nstruct page *vm_normal_page(struct vm_area_struct *vma, unsigned long addr,\n\t\t\t\tpte_t pte)\n{\n\tunsigned long pfn = pte_pfn(pte);","\tif (HAVE_PTE_SPECIAL) {\n\t\tif (likely(!pte_special(pte)))\n\t\t\tgoto check_pfn;\n\t\tif (vma->vm_flags & (VM_PFNMAP | VM_MIXEDMAP))\n\t\t\treturn NULL;\n\t\tif (!is_zero_pfn(pfn))\n\t\t\tprint_bad_pte(vma, addr, pte, NULL);\n\t\treturn NULL;\n\t}","\t/* !HAVE_PTE_SPECIAL case follows: */","\tif (unlikely(vma->vm_flags & (VM_PFNMAP|VM_MIXEDMAP))) {\n\t\tif (vma->vm_flags & VM_MIXEDMAP) {\n\t\t\tif (!pfn_valid(pfn))\n\t\t\t\treturn NULL;\n\t\t\tgoto out;\n\t\t} else {\n\t\t\tunsigned long off;\n\t\t\toff = (addr - vma->vm_start) >> PAGE_SHIFT;\n\t\t\tif (pfn == vma->vm_pgoff + off)\n\t\t\t\treturn NULL;\n\t\t\tif (!is_cow_mapping(vma->vm_flags))\n\t\t\t\treturn NULL;\n\t\t}\n\t}","\tif (is_zero_pfn(pfn))\n\t\treturn NULL;\ncheck_pfn:\n\tif (unlikely(pfn > highest_memmap_pfn)) {\n\t\tprint_bad_pte(vma, addr, pte, NULL);\n\t\treturn NULL;\n\t}","\t/*\n\t * NOTE! We still have PageReserved() pages in the page tables.\n\t * eg. VDSO mappings can cause them to exist.\n\t */\nout:\n\treturn pfn_to_page(pfn);\n}","/*\n * copy one vm_area from one task to the other. Assumes the page tables\n * already present in the new task to be cleared in the whole range\n * covered by this vma.\n */","static inline unsigned long\ncopy_one_pte(struct mm_struct *dst_mm, struct mm_struct *src_mm,\n\t\tpte_t *dst_pte, pte_t *src_pte, struct vm_area_struct *vma,\n\t\tunsigned long addr, int *rss)\n{\n\tunsigned long vm_flags = vma->vm_flags;\n\tpte_t pte = *src_pte;\n\tstruct page *page;","\t/* pte contains position in swap or file, so copy. */\n\tif (unlikely(!pte_present(pte))) {\n\t\tif (!pte_file(pte)) {\n\t\t\tswp_entry_t entry = pte_to_swp_entry(pte);","\t\t\tif (swap_duplicate(entry) < 0)\n\t\t\t\treturn entry.val;","\t\t\t/* make sure dst_mm is on swapoff's mmlist. */\n\t\t\tif (unlikely(list_empty(&dst_mm->mmlist))) {\n\t\t\t\tspin_lock(&mmlist_lock);\n\t\t\t\tif (list_empty(&dst_mm->mmlist))\n\t\t\t\t\tlist_add(&dst_mm->mmlist,\n\t\t\t\t\t\t &src_mm->mmlist);\n\t\t\t\tspin_unlock(&mmlist_lock);\n\t\t\t}\n\t\t\tif (likely(!non_swap_entry(entry)))\n\t\t\t\trss[MM_SWAPENTS]++;\n\t\t\telse if (is_migration_entry(entry)) {\n\t\t\t\tpage = migration_entry_to_page(entry);","\t\t\t\tif (PageAnon(page))\n\t\t\t\t\trss[MM_ANONPAGES]++;\n\t\t\t\telse\n\t\t\t\t\trss[MM_FILEPAGES]++;","\t\t\t\tif (is_write_migration_entry(entry) &&\n\t\t\t\t is_cow_mapping(vm_flags)) {\n\t\t\t\t\t/*\n\t\t\t\t\t * COW mappings require pages in both\n\t\t\t\t\t * parent and child to be set to read.\n\t\t\t\t\t */\n\t\t\t\t\tmake_migration_entry_read(&entry);\n\t\t\t\t\tpte = swp_entry_to_pte(entry);\n\t\t\t\t\tset_pte_at(src_mm, addr, src_pte, pte);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\tgoto out_set_pte;\n\t}","\t/*\n\t * If it's a COW mapping, write protect it both\n\t * in the parent and the child\n\t */\n\tif (is_cow_mapping(vm_flags)) {\n\t\tptep_set_wrprotect(src_mm, addr, src_pte);\n\t\tpte = pte_wrprotect(pte);\n\t}","\t/*\n\t * If it's a shared mapping, mark it clean in\n\t * the child\n\t */\n\tif (vm_flags & VM_SHARED)\n\t\tpte = pte_mkclean(pte);\n\tpte = pte_mkold(pte);","\tpage = vm_normal_page(vma, addr, pte);\n\tif (page) {\n\t\tget_page(page);\n\t\tpage_dup_rmap(page);\n\t\tif (PageAnon(page))\n\t\t\trss[MM_ANONPAGES]++;\n\t\telse\n\t\t\trss[MM_FILEPAGES]++;\n\t}","out_set_pte:\n\tset_pte_at(dst_mm, addr, dst_pte, pte);\n\treturn 0;\n}","int copy_pte_range(struct mm_struct *dst_mm, struct mm_struct *src_mm,\n\t\t pmd_t *dst_pmd, pmd_t *src_pmd, struct vm_area_struct *vma,\n\t\t unsigned long addr, unsigned long end)\n{\n\tpte_t *orig_src_pte, *orig_dst_pte;\n\tpte_t *src_pte, *dst_pte;\n\tspinlock_t *src_ptl, *dst_ptl;\n\tint progress = 0;\n\tint rss[NR_MM_COUNTERS];\n\tswp_entry_t entry = (swp_entry_t){0};","again:\n\tinit_rss_vec(rss);","\tdst_pte = pte_alloc_map_lock(dst_mm, dst_pmd, addr, &dst_ptl);\n\tif (!dst_pte)\n\t\treturn -ENOMEM;\n\tsrc_pte = pte_offset_map(src_pmd, addr);\n\tsrc_ptl = pte_lockptr(src_mm, src_pmd);\n\tspin_lock_nested(src_ptl, SINGLE_DEPTH_NESTING);\n\torig_src_pte = src_pte;\n\torig_dst_pte = dst_pte;\n\tarch_enter_lazy_mmu_mode();","\tdo {\n\t\t/*\n\t\t * We are holding two locks at this point - either of them\n\t\t * could generate latencies in another task on another CPU.\n\t\t */\n\t\tif (progress >= 32) {\n\t\t\tprogress = 0;\n\t\t\tif (need_resched() ||\n\t\t\t spin_needbreak(src_ptl) || spin_needbreak(dst_ptl))\n\t\t\t\tbreak;\n\t\t}\n\t\tif (pte_none(*src_pte)) {\n\t\t\tprogress++;\n\t\t\tcontinue;\n\t\t}\n\t\tentry.val = copy_one_pte(dst_mm, src_mm, dst_pte, src_pte,\n\t\t\t\t\t\t\tvma, addr, rss);\n\t\tif (entry.val)\n\t\t\tbreak;\n\t\tprogress += 8;\n\t} while (dst_pte++, src_pte++, addr += PAGE_SIZE, addr != end);","\tarch_leave_lazy_mmu_mode();\n\tspin_unlock(src_ptl);\n\tpte_unmap(orig_src_pte);\n\tadd_mm_rss_vec(dst_mm, rss);\n\tpte_unmap_unlock(orig_dst_pte, dst_ptl);\n\tcond_resched();","\tif (entry.val) {\n\t\tif (add_swap_count_continuation(entry, GFP_KERNEL) < 0)\n\t\t\treturn -ENOMEM;\n\t\tprogress = 0;\n\t}\n\tif (addr != end)\n\t\tgoto again;\n\treturn 0;\n}","static inline int copy_pmd_range(struct mm_struct *dst_mm, struct mm_struct *src_mm,\n\t\tpud_t *dst_pud, pud_t *src_pud, struct vm_area_struct *vma,\n\t\tunsigned long addr, unsigned long end)\n{\n\tpmd_t *src_pmd, *dst_pmd;\n\tunsigned long next;","\tdst_pmd = pmd_alloc(dst_mm, dst_pud, addr);\n\tif (!dst_pmd)\n\t\treturn -ENOMEM;\n\tsrc_pmd = pmd_offset(src_pud, addr);\n\tdo {\n\t\tnext = pmd_addr_end(addr, end);\n\t\tif (pmd_trans_huge(*src_pmd)) {\n\t\t\tint err;\n\t\t\tVM_BUG_ON(next-addr != HPAGE_PMD_SIZE);\n\t\t\terr = copy_huge_pmd(dst_mm, src_mm,\n\t\t\t\t\t dst_pmd, src_pmd, addr, vma);\n\t\t\tif (err == -ENOMEM)\n\t\t\t\treturn -ENOMEM;\n\t\t\tif (!err)\n\t\t\t\tcontinue;\n\t\t\t/* fall through */\n\t\t}\n\t\tif (pmd_none_or_clear_bad(src_pmd))\n\t\t\tcontinue;\n\t\tif (copy_pte_range(dst_mm, src_mm, dst_pmd, src_pmd,\n\t\t\t\t\t\tvma, addr, next))\n\t\t\treturn -ENOMEM;\n\t} while (dst_pmd++, src_pmd++, addr = next, addr != end);\n\treturn 0;\n}","static inline int copy_pud_range(struct mm_struct *dst_mm, struct mm_struct *src_mm,\n\t\tpgd_t *dst_pgd, pgd_t *src_pgd, struct vm_area_struct *vma,\n\t\tunsigned long addr, unsigned long end)\n{\n\tpud_t *src_pud, *dst_pud;\n\tunsigned long next;","\tdst_pud = pud_alloc(dst_mm, dst_pgd, addr);\n\tif (!dst_pud)\n\t\treturn -ENOMEM;\n\tsrc_pud = pud_offset(src_pgd, addr);\n\tdo {\n\t\tnext = pud_addr_end(addr, end);\n\t\tif (pud_none_or_clear_bad(src_pud))\n\t\t\tcontinue;\n\t\tif (copy_pmd_range(dst_mm, src_mm, dst_pud, src_pud,\n\t\t\t\t\t\tvma, addr, next))\n\t\t\treturn -ENOMEM;\n\t} while (dst_pud++, src_pud++, addr = next, addr != end);\n\treturn 0;\n}","int copy_page_range(struct mm_struct *dst_mm, struct mm_struct *src_mm,\n\t\tstruct vm_area_struct *vma)\n{\n\tpgd_t *src_pgd, *dst_pgd;\n\tunsigned long next;\n\tunsigned long addr = vma->vm_start;\n\tunsigned long end = vma->vm_end;\n\tunsigned long mmun_start;\t/* For mmu_notifiers */\n\tunsigned long mmun_end;\t\t/* For mmu_notifiers */\n\tbool is_cow;\n\tint ret;","\t/*\n\t * Don't copy ptes where a page fault will fill them correctly.\n\t * Fork becomes much lighter when there are big shared or private\n\t * readonly mappings. The tradeoff is that copy_page_range is more\n\t * efficient than faulting.\n\t */\n\tif (!(vma->vm_flags & (VM_HUGETLB | VM_NONLINEAR |\n\t\t\t VM_PFNMAP | VM_MIXEDMAP))) {\n\t\tif (!vma->anon_vma)\n\t\t\treturn 0;\n\t}","\tif (is_vm_hugetlb_page(vma))\n\t\treturn copy_hugetlb_page_range(dst_mm, src_mm, vma);","\tif (unlikely(vma->vm_flags & VM_PFNMAP)) {\n\t\t/*\n\t\t * We do not free on error cases below as remove_vma\n\t\t * gets called on error from higher level routine\n\t\t */\n\t\tret = track_pfn_copy(vma);\n\t\tif (ret)\n\t\t\treturn ret;\n\t}","\t/*\n\t * We need to invalidate the secondary MMU mappings only when\n\t * there could be a permission downgrade on the ptes of the\n\t * parent mm. And a permission downgrade will only happen if\n\t * is_cow_mapping() returns true.\n\t */\n\tis_cow = is_cow_mapping(vma->vm_flags);\n\tmmun_start = addr;\n\tmmun_end = end;\n\tif (is_cow)\n\t\tmmu_notifier_invalidate_range_start(src_mm, mmun_start,\n\t\t\t\t\t\t mmun_end);","\tret = 0;\n\tdst_pgd = pgd_offset(dst_mm, addr);\n\tsrc_pgd = pgd_offset(src_mm, addr);\n\tdo {\n\t\tnext = pgd_addr_end(addr, end);\n\t\tif (pgd_none_or_clear_bad(src_pgd))\n\t\t\tcontinue;\n\t\tif (unlikely(copy_pud_range(dst_mm, src_mm, dst_pgd, src_pgd,\n\t\t\t\t\t vma, addr, next))) {\n\t\t\tret = -ENOMEM;\n\t\t\tbreak;\n\t\t}\n\t} while (dst_pgd++, src_pgd++, addr = next, addr != end);","\tif (is_cow)\n\t\tmmu_notifier_invalidate_range_end(src_mm, mmun_start, mmun_end);\n\treturn ret;\n}","static unsigned long zap_pte_range(struct mmu_gather *tlb,\n\t\t\t\tstruct vm_area_struct *vma, pmd_t *pmd,\n\t\t\t\tunsigned long addr, unsigned long end,\n\t\t\t\tstruct zap_details *details)\n{\n\tstruct mm_struct *mm = tlb->mm;\n\tint force_flush = 0;\n\tint rss[NR_MM_COUNTERS];\n\tspinlock_t *ptl;\n\tpte_t *start_pte;\n\tpte_t *pte;","again:\n\tinit_rss_vec(rss);\n\tstart_pte = pte_offset_map_lock(mm, pmd, addr, &ptl);\n\tpte = start_pte;\n\tarch_enter_lazy_mmu_mode();\n\tdo {\n\t\tpte_t ptent = *pte;\n\t\tif (pte_none(ptent)) {\n\t\t\tcontinue;\n\t\t}","\t\tif (pte_present(ptent)) {\n\t\t\tstruct page *page;","\t\t\tpage = vm_normal_page(vma, addr, ptent);\n\t\t\tif (unlikely(details) && page) {\n\t\t\t\t/*\n\t\t\t\t * unmap_shared_mapping_pages() wants to\n\t\t\t\t * invalidate cache without truncating:\n\t\t\t\t * unmap shared but keep private pages.\n\t\t\t\t */\n\t\t\t\tif (details->check_mapping &&\n\t\t\t\t details->check_mapping != page->mapping)\n\t\t\t\t\tcontinue;\n\t\t\t\t/*\n\t\t\t\t * Each page->index must be checked when\n\t\t\t\t * invalidating or truncating nonlinear.\n\t\t\t\t */\n\t\t\t\tif (details->nonlinear_vma &&\n\t\t\t\t (page->index < details->first_index ||\n\t\t\t\t page->index > details->last_index))\n\t\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tptent = ptep_get_and_clear_full(mm, addr, pte,\n\t\t\t\t\t\t\ttlb->fullmm);\n\t\t\ttlb_remove_tlb_entry(tlb, pte, addr);\n\t\t\tif (unlikely(!page))\n\t\t\t\tcontinue;\n\t\t\tif (unlikely(details) && details->nonlinear_vma\n\t\t\t && linear_page_index(details->nonlinear_vma,\n\t\t\t\t\t\taddr) != page->index)\n\t\t\t\tset_pte_at(mm, addr, pte,\n\t\t\t\t\t pgoff_to_pte(page->index));\n\t\t\tif (PageAnon(page))\n\t\t\t\trss[MM_ANONPAGES]--;\n\t\t\telse {\n\t\t\t\tif (pte_dirty(ptent))\n\t\t\t\t\tset_page_dirty(page);\n\t\t\t\tif (pte_young(ptent) &&\n\t\t\t\t likely(!VM_SequentialReadHint(vma)))\n\t\t\t\t\tmark_page_accessed(page);\n\t\t\t\trss[MM_FILEPAGES]--;\n\t\t\t}\n\t\t\tpage_remove_rmap(page);\n\t\t\tif (unlikely(page_mapcount(page) < 0))\n\t\t\t\tprint_bad_pte(vma, addr, ptent, page);\n\t\t\tforce_flush = !__tlb_remove_page(tlb, page);\n\t\t\tif (force_flush)\n\t\t\t\tbreak;\n\t\t\tcontinue;\n\t\t}\n\t\t/*\n\t\t * If details->check_mapping, we leave swap entries;\n\t\t * if details->nonlinear_vma, we leave file entries.\n\t\t */\n\t\tif (unlikely(details))\n\t\t\tcontinue;\n\t\tif (pte_file(ptent)) {\n\t\t\tif (unlikely(!(vma->vm_flags & VM_NONLINEAR)))\n\t\t\t\tprint_bad_pte(vma, addr, ptent, NULL);\n\t\t} else {\n\t\t\tswp_entry_t entry = pte_to_swp_entry(ptent);","\t\t\tif (!non_swap_entry(entry))\n\t\t\t\trss[MM_SWAPENTS]--;\n\t\t\telse if (is_migration_entry(entry)) {\n\t\t\t\tstruct page *page;","\t\t\t\tpage = migration_entry_to_page(entry);","\t\t\t\tif (PageAnon(page))\n\t\t\t\t\trss[MM_ANONPAGES]--;\n\t\t\t\telse\n\t\t\t\t\trss[MM_FILEPAGES]--;\n\t\t\t}\n\t\t\tif (unlikely(!free_swap_and_cache(entry)))\n\t\t\t\tprint_bad_pte(vma, addr, ptent, NULL);\n\t\t}\n\t\tpte_clear_not_present_full(mm, addr, pte, tlb->fullmm);\n\t} while (pte++, addr += PAGE_SIZE, addr != end);","\tadd_mm_rss_vec(mm, rss);\n\tarch_leave_lazy_mmu_mode();\n\tpte_unmap_unlock(start_pte, ptl);","\t/*\n\t * mmu_gather ran out of room to batch pages, we break out of\n\t * the PTE lock to avoid doing the potential expensive TLB invalidate\n\t * and page-free while holding it.\n\t */\n\tif (force_flush) {\n\t\tforce_flush = 0;","#ifdef HAVE_GENERIC_MMU_GATHER\n\t\ttlb->start = addr;\n\t\ttlb->end = end;\n#endif\n\t\ttlb_flush_mmu(tlb);\n\t\tif (addr != end)\n\t\t\tgoto again;\n\t}","\treturn addr;\n}","static inline unsigned long zap_pmd_range(struct mmu_gather *tlb,\n\t\t\t\tstruct vm_area_struct *vma, pud_t *pud,\n\t\t\t\tunsigned long addr, unsigned long end,\n\t\t\t\tstruct zap_details *details)\n{\n\tpmd_t *pmd;\n\tunsigned long next;","\tpmd = pmd_offset(pud, addr);\n\tdo {\n\t\tnext = pmd_addr_end(addr, end);\n\t\tif (pmd_trans_huge(*pmd)) {\n\t\t\tif (next - addr != HPAGE_PMD_SIZE) {\n#ifdef CONFIG_DEBUG_VM\n\t\t\t\tif (!rwsem_is_locked(&tlb->mm->mmap_sem)) {\n\t\t\t\t\tpr_err(\"%s: mmap_sem is unlocked! addr=0x%lx end=0x%lx vma->vm_start=0x%lx vma->vm_end=0x%lx\\n\",\n\t\t\t\t\t\t__func__, addr, end,\n\t\t\t\t\t\tvma->vm_start,\n\t\t\t\t\t\tvma->vm_end);\n\t\t\t\t\tBUG();\n\t\t\t\t}\n#endif\n\t\t\t\tsplit_huge_page_pmd(vma, addr, pmd);\n\t\t\t} else if (zap_huge_pmd(tlb, vma, pmd, addr))\n\t\t\t\tgoto next;\n\t\t\t/* fall through */\n\t\t}\n\t\t/*\n\t\t * Here there can be other concurrent MADV_DONTNEED or\n\t\t * trans huge page faults running, and if the pmd is\n\t\t * none or trans huge it can change under us. This is\n\t\t * because MADV_DONTNEED holds the mmap_sem in read\n\t\t * mode.\n\t\t */\n\t\tif (pmd_none_or_trans_huge_or_clear_bad(pmd))\n\t\t\tgoto next;\n\t\tnext = zap_pte_range(tlb, vma, pmd, addr, next, details);\nnext:\n\t\tcond_resched();\n\t} while (pmd++, addr = next, addr != end);","\treturn addr;\n}","static inline unsigned long zap_pud_range(struct mmu_gather *tlb,\n\t\t\t\tstruct vm_area_struct *vma, pgd_t *pgd,\n\t\t\t\tunsigned long addr, unsigned long end,\n\t\t\t\tstruct zap_details *details)\n{\n\tpud_t *pud;\n\tunsigned long next;","\tpud = pud_offset(pgd, addr);\n\tdo {\n\t\tnext = pud_addr_end(addr, end);\n\t\tif (pud_none_or_clear_bad(pud))\n\t\t\tcontinue;\n\t\tnext = zap_pmd_range(tlb, vma, pud, addr, next, details);\n\t} while (pud++, addr = next, addr != end);","\treturn addr;\n}","static void unmap_page_range(struct mmu_gather *tlb,\n\t\t\t struct vm_area_struct *vma,\n\t\t\t unsigned long addr, unsigned long end,\n\t\t\t struct zap_details *details)\n{\n\tpgd_t *pgd;\n\tunsigned long next;","\tif (details && !details->check_mapping && !details->nonlinear_vma)\n\t\tdetails = NULL;","\tBUG_ON(addr >= end);\n\tmem_cgroup_uncharge_start();\n\ttlb_start_vma(tlb, vma);\n\tpgd = pgd_offset(vma->vm_mm, addr);\n\tdo {\n\t\tnext = pgd_addr_end(addr, end);\n\t\tif (pgd_none_or_clear_bad(pgd))\n\t\t\tcontinue;\n\t\tnext = zap_pud_range(tlb, vma, pgd, addr, next, details);\n\t} while (pgd++, addr = next, addr != end);\n\ttlb_end_vma(tlb, vma);\n\tmem_cgroup_uncharge_end();\n}","\nstatic void unmap_single_vma(struct mmu_gather *tlb,\n\t\tstruct vm_area_struct *vma, unsigned long start_addr,\n\t\tunsigned long end_addr,\n\t\tstruct zap_details *details)\n{\n\tunsigned long start = max(vma->vm_start, start_addr);\n\tunsigned long end;","\tif (start >= vma->vm_end)\n\t\treturn;\n\tend = min(vma->vm_end, end_addr);\n\tif (end <= vma->vm_start)\n\t\treturn;","\tif (vma->vm_file)\n\t\tuprobe_munmap(vma, start, end);","\tif (unlikely(vma->vm_flags & VM_PFNMAP))\n\t\tuntrack_pfn(vma, 0, 0);","\tif (start != end) {\n\t\tif (unlikely(is_vm_hugetlb_page(vma))) {\n\t\t\t/*\n\t\t\t * It is undesirable to test vma->vm_file as it\n\t\t\t * should be non-null for valid hugetlb area.\n\t\t\t * However, vm_file will be NULL in the error\n\t\t\t * cleanup path of do_mmap_pgoff. When\n\t\t\t * hugetlbfs ->mmap method fails,\n\t\t\t * do_mmap_pgoff() nullifies vma->vm_file\n\t\t\t * before calling this function to clean up.\n\t\t\t * Since no pte has actually been setup, it is\n\t\t\t * safe to do nothing in this case.\n\t\t\t */\n\t\t\tif (vma->vm_file) {\n\t\t\t\tmutex_lock(&vma->vm_file->f_mapping->i_mmap_mutex);\n\t\t\t\t__unmap_hugepage_range_final(tlb, vma, start, end, NULL);\n\t\t\t\tmutex_unlock(&vma->vm_file->f_mapping->i_mmap_mutex);\n\t\t\t}\n\t\t} else\n\t\t\tunmap_page_range(tlb, vma, start, end, details);\n\t}\n}","/**\n * unmap_vmas - unmap a range of memory covered by a list of vma's\n * @tlb: address of the caller's struct mmu_gather\n * @vma: the starting vma\n * @start_addr: virtual address at which to start unmapping\n * @end_addr: virtual address at which to end unmapping\n *\n * Unmap all pages in the vma list.\n *\n * Only addresses between `start' and `end' will be unmapped.\n *\n * The VMA list must be sorted in ascending virtual address order.\n *\n * unmap_vmas() assumes that the caller will flush the whole unmapped address\n * range after unmap_vmas() returns. So the only responsibility here is to\n * ensure that any thus-far unmapped pages are flushed before unmap_vmas()\n * drops the lock and schedules.\n */\nvoid unmap_vmas(struct mmu_gather *tlb,\n\t\tstruct vm_area_struct *vma, unsigned long start_addr,\n\t\tunsigned long end_addr)\n{\n\tstruct mm_struct *mm = vma->vm_mm;","\tmmu_notifier_invalidate_range_start(mm, start_addr, end_addr);\n\tfor ( ; vma && vma->vm_start < end_addr; vma = vma->vm_next)\n\t\tunmap_single_vma(tlb, vma, start_addr, end_addr, NULL);\n\tmmu_notifier_invalidate_range_end(mm, start_addr, end_addr);\n}","/**\n * zap_page_range - remove user pages in a given range\n * @vma: vm_area_struct holding the applicable pages\n * @start: starting address of pages to zap\n * @size: number of bytes to zap\n * @details: details of nonlinear truncation or shared cache invalidation\n *\n * Caller must protect the VMA list\n */\nvoid zap_page_range(struct vm_area_struct *vma, unsigned long start,\n\t\tunsigned long size, struct zap_details *details)\n{\n\tstruct mm_struct *mm = vma->vm_mm;\n\tstruct mmu_gather tlb;\n\tunsigned long end = start + size;","\tlru_add_drain();\n\ttlb_gather_mmu(&tlb, mm, 0);\n\tupdate_hiwater_rss(mm);\n\tmmu_notifier_invalidate_range_start(mm, start, end);\n\tfor ( ; vma && vma->vm_start < end; vma = vma->vm_next)\n\t\tunmap_single_vma(&tlb, vma, start, end, details);\n\tmmu_notifier_invalidate_range_end(mm, start, end);\n\ttlb_finish_mmu(&tlb, start, end);\n}","/**\n * zap_page_range_single - remove user pages in a given range\n * @vma: vm_area_struct holding the applicable pages\n * @address: starting address of pages to zap\n * @size: number of bytes to zap\n * @details: details of nonlinear truncation or shared cache invalidation\n *\n * The range must fit into one VMA.\n */\nstatic void zap_page_range_single(struct vm_area_struct *vma, unsigned long address,\n\t\tunsigned long size, struct zap_details *details)\n{\n\tstruct mm_struct *mm = vma->vm_mm;\n\tstruct mmu_gather tlb;\n\tunsigned long end = address + size;","\tlru_add_drain();\n\ttlb_gather_mmu(&tlb, mm, 0);\n\tupdate_hiwater_rss(mm);\n\tmmu_notifier_invalidate_range_start(mm, address, end);\n\tunmap_single_vma(&tlb, vma, address, end, details);\n\tmmu_notifier_invalidate_range_end(mm, address, end);\n\ttlb_finish_mmu(&tlb, address, end);\n}","/**\n * zap_vma_ptes - remove ptes mapping the vma\n * @vma: vm_area_struct holding ptes to be zapped\n * @address: starting address of pages to zap\n * @size: number of bytes to zap\n *\n * This function only unmaps ptes assigned to VM_PFNMAP vmas.\n *\n * The entire address range must be fully contained within the vma.\n *\n * Returns 0 if successful.\n */\nint zap_vma_ptes(struct vm_area_struct *vma, unsigned long address,\n\t\tunsigned long size)\n{\n\tif (address < vma->vm_start || address + size > vma->vm_end ||\n\t \t\t!(vma->vm_flags & VM_PFNMAP))\n\t\treturn -1;\n\tzap_page_range_single(vma, address, size, NULL);\n\treturn 0;\n}\nEXPORT_SYMBOL_GPL(zap_vma_ptes);","/**\n * follow_page_mask - look up a page descriptor from a user-virtual address\n * @vma: vm_area_struct mapping @address\n * @address: virtual address to look up\n * @flags: flags modifying lookup behaviour\n * @page_mask: on output, *page_mask is set according to the size of the page\n *\n * @flags can have FOLL_ flags set, defined in <linux/mm.h>\n *\n * Returns the mapped (struct page *), %NULL if no mapping exists, or\n * an error pointer if there is a mapping to something not represented\n * by a page descriptor (see also vm_normal_page()).\n */\nstruct page *follow_page_mask(struct vm_area_struct *vma,\n\t\t\t unsigned long address, unsigned int flags,\n\t\t\t unsigned int *page_mask)\n{\n\tpgd_t *pgd;\n\tpud_t *pud;\n\tpmd_t *pmd;\n\tpte_t *ptep, pte;\n\tspinlock_t *ptl;\n\tstruct page *page;\n\tstruct mm_struct *mm = vma->vm_mm;","\t*page_mask = 0;","\tpage = follow_huge_addr(mm, address, flags & FOLL_WRITE);\n\tif (!IS_ERR(page)) {\n\t\tBUG_ON(flags & FOLL_GET);\n\t\tgoto out;\n\t}","\tpage = NULL;\n\tpgd = pgd_offset(mm, address);\n\tif (pgd_none(*pgd) || unlikely(pgd_bad(*pgd)))\n\t\tgoto no_page_table;","\tpud = pud_offset(pgd, address);\n\tif (pud_none(*pud))\n\t\tgoto no_page_table;\n\tif (pud_huge(*pud) && vma->vm_flags & VM_HUGETLB) {\n\t\tBUG_ON(flags & FOLL_GET);\n\t\tpage = follow_huge_pud(mm, address, pud, flags & FOLL_WRITE);\n\t\tgoto out;\n\t}\n\tif (unlikely(pud_bad(*pud)))\n\t\tgoto no_page_table;","\tpmd = pmd_offset(pud, address);\n\tif (pmd_none(*pmd))\n\t\tgoto no_page_table;\n\tif (pmd_huge(*pmd) && vma->vm_flags & VM_HUGETLB) {\n\t\tBUG_ON(flags & FOLL_GET);\n\t\tpage = follow_huge_pmd(mm, address, pmd, flags & FOLL_WRITE);\n\t\tgoto out;\n\t}\n\tif ((flags & FOLL_NUMA) && pmd_numa(*pmd))\n\t\tgoto no_page_table;\n\tif (pmd_trans_huge(*pmd)) {\n\t\tif (flags & FOLL_SPLIT) {\n\t\t\tsplit_huge_page_pmd(vma, address, pmd);\n\t\t\tgoto split_fallthrough;\n\t\t}\n\t\tspin_lock(&mm->page_table_lock);\n\t\tif (likely(pmd_trans_huge(*pmd))) {\n\t\t\tif (unlikely(pmd_trans_splitting(*pmd))) {\n\t\t\t\tspin_unlock(&mm->page_table_lock);\n\t\t\t\twait_split_huge_page(vma->anon_vma, pmd);\n\t\t\t} else {\n\t\t\t\tpage = follow_trans_huge_pmd(vma, address,\n\t\t\t\t\t\t\t pmd, flags);\n\t\t\t\tspin_unlock(&mm->page_table_lock);\n\t\t\t\t*page_mask = HPAGE_PMD_NR - 1;\n\t\t\t\tgoto out;\n\t\t\t}\n\t\t} else\n\t\t\tspin_unlock(&mm->page_table_lock);\n\t\t/* fall through */\n\t}\nsplit_fallthrough:\n\tif (unlikely(pmd_bad(*pmd)))\n\t\tgoto no_page_table;","\tptep = pte_offset_map_lock(mm, pmd, address, &ptl);","\tpte = *ptep;\n\tif (!pte_present(pte)) {\n\t\tswp_entry_t entry;\n\t\t/*\n\t\t * KSM's break_ksm() relies upon recognizing a ksm page\n\t\t * even while it is being migrated, so for that case we\n\t\t * need migration_entry_wait().\n\t\t */\n\t\tif (likely(!(flags & FOLL_MIGRATION)))\n\t\t\tgoto no_page;\n\t\tif (pte_none(pte) || pte_file(pte))\n\t\t\tgoto no_page;\n\t\tentry = pte_to_swp_entry(pte);\n\t\tif (!is_migration_entry(entry))\n\t\t\tgoto no_page;\n\t\tpte_unmap_unlock(ptep, ptl);\n\t\tmigration_entry_wait(mm, pmd, address);\n\t\tgoto split_fallthrough;\n\t}\n\tif ((flags & FOLL_NUMA) && pte_numa(pte))\n\t\tgoto no_page;\n\tif ((flags & FOLL_WRITE) && !pte_write(pte))\n\t\tgoto unlock;","\tpage = vm_normal_page(vma, address, pte);\n\tif (unlikely(!page)) {\n\t\tif ((flags & FOLL_DUMP) ||\n\t\t !is_zero_pfn(pte_pfn(pte)))\n\t\t\tgoto bad_page;\n\t\tpage = pte_page(pte);\n\t}","\tif (flags & FOLL_GET)\n\t\tget_page_foll(page);\n\tif (flags & FOLL_TOUCH) {\n\t\tif ((flags & FOLL_WRITE) &&\n\t\t !pte_dirty(pte) && !PageDirty(page))\n\t\t\tset_page_dirty(page);\n\t\t/*\n\t\t * pte_mkyoung() would be more correct here, but atomic care\n\t\t * is needed to avoid losing the dirty bit: it is easier to use\n\t\t * mark_page_accessed().\n\t\t */\n\t\tmark_page_accessed(page);\n\t}\n\tif ((flags & FOLL_MLOCK) && (vma->vm_flags & VM_LOCKED)) {\n\t\t/*\n\t\t * The preliminary mapping check is mainly to avoid the\n\t\t * pointless overhead of lock_page on the ZERO_PAGE\n\t\t * which might bounce very badly if there is contention.\n\t\t *\n\t\t * If the page is already locked, we don't need to\n\t\t * handle it now - vmscan will handle it later if and\n\t\t * when it attempts to reclaim the page.\n\t\t */\n\t\tif (page->mapping && trylock_page(page)) {\n\t\t\tlru_add_drain(); /* push cached pages to LRU */\n\t\t\t/*\n\t\t\t * Because we lock page here, and migration is\n\t\t\t * blocked by the pte's page reference, and we\n\t\t\t * know the page is still mapped, we don't even\n\t\t\t * need to check for file-cache page truncation.\n\t\t\t */\n\t\t\tmlock_vma_page(page);\n\t\t\tunlock_page(page);\n\t\t}\n\t}\nunlock:\n\tpte_unmap_unlock(ptep, ptl);\nout:\n\treturn page;","bad_page:\n\tpte_unmap_unlock(ptep, ptl);\n\treturn ERR_PTR(-EFAULT);","no_page:\n\tpte_unmap_unlock(ptep, ptl);\n\tif (!pte_none(pte))\n\t\treturn page;","no_page_table:\n\t/*\n\t * When core dumping an enormous anonymous area that nobody\n\t * has touched so far, we don't want to allocate unnecessary pages or\n\t * page tables. Return error instead of NULL to skip handle_mm_fault,\n\t * then get_dump_page() will return NULL to leave a hole in the dump.\n\t * But we can only make this optimization where a hole would surely\n\t * be zero-filled if handle_mm_fault() actually did handle it.\n\t */\n\tif ((flags & FOLL_DUMP) &&\n\t (!vma->vm_ops || !vma->vm_ops->fault))\n\t\treturn ERR_PTR(-EFAULT);\n\treturn page;\n}","static inline int stack_guard_page(struct vm_area_struct *vma, unsigned long addr)\n{\n\treturn stack_guard_page_start(vma, addr) ||\n\t stack_guard_page_end(vma, addr+PAGE_SIZE);\n}","/**\n * __get_user_pages() - pin user pages in memory\n * @tsk:\ttask_struct of target task\n * @mm:\t\tmm_struct of target mm\n * @start:\tstarting user address\n * @nr_pages:\tnumber of pages from start to pin\n * @gup_flags:\tflags modifying pin behaviour\n * @pages:\tarray that receives pointers to the pages pinned.\n *\t\tShould be at least nr_pages long. Or NULL, if caller\n *\t\tonly intends to ensure the pages are faulted in.\n * @vmas:\tarray of pointers to vmas corresponding to each page.\n *\t\tOr NULL if the caller does not require them.\n * @nonblocking: whether waiting for disk IO or mmap_sem contention\n *\n * Returns number of pages pinned. This may be fewer than the number\n * requested. If nr_pages is 0 or negative, returns 0. If no pages\n * were pinned, returns -errno. Each page returned must be released\n * with a put_page() call when it is finished with. vmas will only\n * remain valid while mmap_sem is held.\n *\n * Must be called with mmap_sem held for read or write.\n *\n * __get_user_pages walks a process's page tables and takes a reference to\n * each struct page that each user address corresponds to at a given\n * instant. That is, it takes the page that would be accessed if a user\n * thread accesses the given user virtual address at that instant.\n *\n * This does not guarantee that the page exists in the user mappings when\n * __get_user_pages returns, and there may even be a completely different\n * page there in some cases (eg. if mmapped pagecache has been invalidated\n * and subsequently re faulted). However it does guarantee that the page\n * won't be freed completely. And mostly callers simply care that the page\n * contains data that was valid *at some point in time*. Typically, an IO\n * or similar operation cannot guarantee anything stronger anyway because\n * locks can't be held over the syscall boundary.\n *\n * If @gup_flags & FOLL_WRITE == 0, the page must not be written to. If\n * the page is written to, set_page_dirty (or set_page_dirty_lock, as\n * appropriate) must be called after the page is finished with, and\n * before put_page is called.\n *\n * If @nonblocking != NULL, __get_user_pages will not wait for disk IO\n * or mmap_sem contention, and if waiting is needed to pin all pages,\n * *@nonblocking will be set to 0.\n *\n * In most cases, get_user_pages or get_user_pages_fast should be used\n * instead of __get_user_pages. __get_user_pages should be used only if\n * you need some special @gup_flags.\n */\nlong __get_user_pages(struct task_struct *tsk, struct mm_struct *mm,\n\t\tunsigned long start, unsigned long nr_pages,\n\t\tunsigned int gup_flags, struct page **pages,\n\t\tstruct vm_area_struct **vmas, int *nonblocking)\n{\n\tlong i;\n\tunsigned long vm_flags;\n\tunsigned int page_mask;","\tif (!nr_pages)\n\t\treturn 0;","\tVM_BUG_ON(!!pages != !!(gup_flags & FOLL_GET));","\t/* \n\t * Require read or write permissions.\n\t * If FOLL_FORCE is set, we only require the \"MAY\" flags.\n\t */\n\tvm_flags = (gup_flags & FOLL_WRITE) ?\n\t\t\t(VM_WRITE | VM_MAYWRITE) : (VM_READ | VM_MAYREAD);\n\tvm_flags &= (gup_flags & FOLL_FORCE) ?\n\t\t\t(VM_MAYREAD | VM_MAYWRITE) : (VM_READ | VM_WRITE);","\t/*\n\t * If FOLL_FORCE and FOLL_NUMA are both set, handle_mm_fault\n\t * would be called on PROT_NONE ranges. We must never invoke\n\t * handle_mm_fault on PROT_NONE ranges or the NUMA hinting\n\t * page faults would unprotect the PROT_NONE ranges if\n\t * _PAGE_NUMA and _PAGE_PROTNONE are sharing the same pte/pmd\n\t * bitflag. So to avoid that, don't set FOLL_NUMA if\n\t * FOLL_FORCE is set.\n\t */\n\tif (!(gup_flags & FOLL_FORCE))\n\t\tgup_flags |= FOLL_NUMA;","\ti = 0;","\tdo {\n\t\tstruct vm_area_struct *vma;","\t\tvma = find_extend_vma(mm, start);\n\t\tif (!vma && in_gate_area(mm, start)) {\n\t\t\tunsigned long pg = start & PAGE_MASK;\n\t\t\tpgd_t *pgd;\n\t\t\tpud_t *pud;\n\t\t\tpmd_t *pmd;\n\t\t\tpte_t *pte;","\t\t\t/* user gate pages are read-only */\n\t\t\tif (gup_flags & FOLL_WRITE)\n\t\t\t\treturn i ? : -EFAULT;\n\t\t\tif (pg > TASK_SIZE)\n\t\t\t\tpgd = pgd_offset_k(pg);\n\t\t\telse\n\t\t\t\tpgd = pgd_offset_gate(mm, pg);\n\t\t\tBUG_ON(pgd_none(*pgd));\n\t\t\tpud = pud_offset(pgd, pg);\n\t\t\tBUG_ON(pud_none(*pud));\n\t\t\tpmd = pmd_offset(pud, pg);\n\t\t\tif (pmd_none(*pmd))\n\t\t\t\treturn i ? : -EFAULT;\n\t\t\tVM_BUG_ON(pmd_trans_huge(*pmd));\n\t\t\tpte = pte_offset_map(pmd, pg);\n\t\t\tif (pte_none(*pte)) {\n\t\t\t\tpte_unmap(pte);\n\t\t\t\treturn i ? : -EFAULT;\n\t\t\t}\n\t\t\tvma = get_gate_vma(mm);\n\t\t\tif (pages) {\n\t\t\t\tstruct page *page;","\t\t\t\tpage = vm_normal_page(vma, start, *pte);\n\t\t\t\tif (!page) {\n\t\t\t\t\tif (!(gup_flags & FOLL_DUMP) &&\n\t\t\t\t\t is_zero_pfn(pte_pfn(*pte)))\n\t\t\t\t\t\tpage = pte_page(*pte);\n\t\t\t\t\telse {\n\t\t\t\t\t\tpte_unmap(pte);\n\t\t\t\t\t\treturn i ? : -EFAULT;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\tpages[i] = page;\n\t\t\t\tget_page(page);\n\t\t\t}\n\t\t\tpte_unmap(pte);\n\t\t\tpage_mask = 0;\n\t\t\tgoto next_page;\n\t\t}","\t\tif (!vma ||\n\t\t (vma->vm_flags & (VM_IO | VM_PFNMAP)) ||\n\t\t !(vm_flags & vma->vm_flags))\n\t\t\treturn i ? : -EFAULT;","\t\tif (is_vm_hugetlb_page(vma)) {\n\t\t\ti = follow_hugetlb_page(mm, vma, pages, vmas,\n\t\t\t\t\t&start, &nr_pages, i, gup_flags);\n\t\t\tcontinue;\n\t\t}","\t\tdo {\n\t\t\tstruct page *page;\n\t\t\tunsigned int foll_flags = gup_flags;\n\t\t\tunsigned int page_increm;","\t\t\t/*\n\t\t\t * If we have a pending SIGKILL, don't keep faulting\n\t\t\t * pages and potentially allocating memory.\n\t\t\t */\n\t\t\tif (unlikely(fatal_signal_pending(current)))\n\t\t\t\treturn i ? i : -ERESTARTSYS;","\t\t\tcond_resched();\n\t\t\twhile (!(page = follow_page_mask(vma, start,\n\t\t\t\t\t\tfoll_flags, &page_mask))) {\n\t\t\t\tint ret;\n\t\t\t\tunsigned int fault_flags = 0;","\t\t\t\t/* For mlock, just skip the stack guard page. */\n\t\t\t\tif (foll_flags & FOLL_MLOCK) {\n\t\t\t\t\tif (stack_guard_page(vma, start))\n\t\t\t\t\t\tgoto next_page;\n\t\t\t\t}\n\t\t\t\tif (foll_flags & FOLL_WRITE)\n\t\t\t\t\tfault_flags |= FAULT_FLAG_WRITE;\n\t\t\t\tif (nonblocking)\n\t\t\t\t\tfault_flags |= FAULT_FLAG_ALLOW_RETRY;\n\t\t\t\tif (foll_flags & FOLL_NOWAIT)\n\t\t\t\t\tfault_flags |= (FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_RETRY_NOWAIT);","\t\t\t\tret = handle_mm_fault(mm, vma, start,\n\t\t\t\t\t\t\tfault_flags);","\t\t\t\tif (ret & VM_FAULT_ERROR) {\n\t\t\t\t\tif (ret & VM_FAULT_OOM)\n\t\t\t\t\t\treturn i ? i : -ENOMEM;\n\t\t\t\t\tif (ret & (VM_FAULT_HWPOISON |\n\t\t\t\t\t\t VM_FAULT_HWPOISON_LARGE)) {\n\t\t\t\t\t\tif (i)\n\t\t\t\t\t\t\treturn i;\n\t\t\t\t\t\telse if (gup_flags & FOLL_HWPOISON)\n\t\t\t\t\t\t\treturn -EHWPOISON;\n\t\t\t\t\t\telse\n\t\t\t\t\t\t\treturn -EFAULT;\n\t\t\t\t\t}\n\t\t\t\t\tif (ret & VM_FAULT_SIGBUS)\n\t\t\t\t\t\treturn i ? i : -EFAULT;\n\t\t\t\t\tBUG();\n\t\t\t\t}","\t\t\t\tif (tsk) {\n\t\t\t\t\tif (ret & VM_FAULT_MAJOR)\n\t\t\t\t\t\ttsk->maj_flt++;\n\t\t\t\t\telse\n\t\t\t\t\t\ttsk->min_flt++;\n\t\t\t\t}","\t\t\t\tif (ret & VM_FAULT_RETRY) {\n\t\t\t\t\tif (nonblocking)\n\t\t\t\t\t\t*nonblocking = 0;\n\t\t\t\t\treturn i;\n\t\t\t\t}","\t\t\t\t/*\n\t\t\t\t * The VM_FAULT_WRITE bit tells us that\n\t\t\t\t * do_wp_page has broken COW when necessary,\n\t\t\t\t * even if maybe_mkwrite decided not to set\n\t\t\t\t * pte_write. We can thus safely do subsequent\n\t\t\t\t * page lookups as if they were reads. But only\n\t\t\t\t * do so when looping for pte_write is futile:\n\t\t\t\t * in some cases userspace may also be wanting\n\t\t\t\t * to write to the gotten user page, which a\n\t\t\t\t * read fault here might prevent (a readonly\n\t\t\t\t * page might get reCOWed by userspace write).\n\t\t\t\t */\n\t\t\t\tif ((ret & VM_FAULT_WRITE) &&\n\t\t\t\t !(vma->vm_flags & VM_WRITE))\n\t\t\t\t\tfoll_flags &= ~FOLL_WRITE;","\t\t\t\tcond_resched();\n\t\t\t}\n\t\t\tif (IS_ERR(page))\n\t\t\t\treturn i ? i : PTR_ERR(page);\n\t\t\tif (pages) {\n\t\t\t\tpages[i] = page;","\t\t\t\tflush_anon_page(vma, page, start);\n\t\t\t\tflush_dcache_page(page);\n\t\t\t\tpage_mask = 0;\n\t\t\t}\nnext_page:\n\t\t\tif (vmas) {\n\t\t\t\tvmas[i] = vma;\n\t\t\t\tpage_mask = 0;\n\t\t\t}\n\t\t\tpage_increm = 1 + (~(start >> PAGE_SHIFT) & page_mask);\n\t\t\tif (page_increm > nr_pages)\n\t\t\t\tpage_increm = nr_pages;\n\t\t\ti += page_increm;\n\t\t\tstart += page_increm * PAGE_SIZE;\n\t\t\tnr_pages -= page_increm;\n\t\t} while (nr_pages && start < vma->vm_end);\n\t} while (nr_pages);\n\treturn i;\n}\nEXPORT_SYMBOL(__get_user_pages);","/*\n * fixup_user_fault() - manually resolve a user page fault\n * @tsk:\tthe task_struct to use for page fault accounting, or\n *\t\tNULL if faults are not to be recorded.\n * @mm:\t\tmm_struct of target mm\n * @address:\tuser address\n * @fault_flags:flags to pass down to handle_mm_fault()\n *\n * This is meant to be called in the specific scenario where for locking reasons\n * we try to access user memory in atomic context (within a pagefault_disable()\n * section), this returns -EFAULT, and we want to resolve the user fault before\n * trying again.\n *\n * Typically this is meant to be used by the futex code.\n *\n * The main difference with get_user_pages() is that this function will\n * unconditionally call handle_mm_fault() which will in turn perform all the\n * necessary SW fixup of the dirty and young bits in the PTE, while\n * handle_mm_fault() only guarantees to update these in the struct page.\n *\n * This is important for some architectures where those bits also gate the\n * access permission to the page because they are maintained in software. On\n * such architectures, gup() will not be enough to make a subsequent access\n * succeed.\n *\n * This should be called with the mm_sem held for read.\n */\nint fixup_user_fault(struct task_struct *tsk, struct mm_struct *mm,\n\t\t unsigned long address, unsigned int fault_flags)\n{\n\tstruct vm_area_struct *vma;\n\tint ret;","\tvma = find_extend_vma(mm, address);\n\tif (!vma || address < vma->vm_start)\n\t\treturn -EFAULT;","\tret = handle_mm_fault(mm, vma, address, fault_flags);\n\tif (ret & VM_FAULT_ERROR) {\n\t\tif (ret & VM_FAULT_OOM)\n\t\t\treturn -ENOMEM;\n\t\tif (ret & (VM_FAULT_HWPOISON | VM_FAULT_HWPOISON_LARGE))\n\t\t\treturn -EHWPOISON;\n\t\tif (ret & VM_FAULT_SIGBUS)\n\t\t\treturn -EFAULT;\n\t\tBUG();\n\t}\n\tif (tsk) {\n\t\tif (ret & VM_FAULT_MAJOR)\n\t\t\ttsk->maj_flt++;\n\t\telse\n\t\t\ttsk->min_flt++;\n\t}\n\treturn 0;\n}","/*\n * get_user_pages() - pin user pages in memory\n * @tsk:\tthe task_struct to use for page fault accounting, or\n *\t\tNULL if faults are not to be recorded.\n * @mm:\t\tmm_struct of target mm\n * @start:\tstarting user address\n * @nr_pages:\tnumber of pages from start to pin\n * @write:\twhether pages will be written to by the caller\n * @force:\twhether to force write access even if user mapping is\n *\t\treadonly. This will result in the page being COWed even\n *\t\tin MAP_SHARED mappings. You do not want this.\n * @pages:\tarray that receives pointers to the pages pinned.\n *\t\tShould be at least nr_pages long. Or NULL, if caller\n *\t\tonly intends to ensure the pages are faulted in.\n * @vmas:\tarray of pointers to vmas corresponding to each page.\n *\t\tOr NULL if the caller does not require them.\n *\n * Returns number of pages pinned. This may be fewer than the number\n * requested. If nr_pages is 0 or negative, returns 0. If no pages\n * were pinned, returns -errno. Each page returned must be released\n * with a put_page() call when it is finished with. vmas will only\n * remain valid while mmap_sem is held.\n *\n * Must be called with mmap_sem held for read or write.\n *\n * get_user_pages walks a process's page tables and takes a reference to\n * each struct page that each user address corresponds to at a given\n * instant. That is, it takes the page that would be accessed if a user\n * thread accesses the given user virtual address at that instant.\n *\n * This does not guarantee that the page exists in the user mappings when\n * get_user_pages returns, and there may even be a completely different\n * page there in some cases (eg. if mmapped pagecache has been invalidated\n * and subsequently re faulted). However it does guarantee that the page\n * won't be freed completely. And mostly callers simply care that the page\n * contains data that was valid *at some point in time*. Typically, an IO\n * or similar operation cannot guarantee anything stronger anyway because\n * locks can't be held over the syscall boundary.\n *\n * If write=0, the page must not be written to. If the page is written to,\n * set_page_dirty (or set_page_dirty_lock, as appropriate) must be called\n * after the page is finished with, and before put_page is called.\n *\n * get_user_pages is typically used for fewer-copy IO operations, to get a\n * handle on the memory by some means other than accesses via the user virtual\n * addresses. The pages may be submitted for DMA to devices or accessed via\n * their kernel linear mapping (via the kmap APIs). Care should be taken to\n * use the correct cache flushing APIs.\n *\n * See also get_user_pages_fast, for performance critical applications.\n */\nlong get_user_pages(struct task_struct *tsk, struct mm_struct *mm,\n\t\tunsigned long start, unsigned long nr_pages, int write,\n\t\tint force, struct page **pages, struct vm_area_struct **vmas)\n{\n\tint flags = FOLL_TOUCH;","\tif (pages)\n\t\tflags |= FOLL_GET;\n\tif (write)\n\t\tflags |= FOLL_WRITE;\n\tif (force)\n\t\tflags |= FOLL_FORCE;","\treturn __get_user_pages(tsk, mm, start, nr_pages, flags, pages, vmas,\n\t\t\t\tNULL);\n}\nEXPORT_SYMBOL(get_user_pages);","/**\n * get_dump_page() - pin user page in memory while writing it to core dump\n * @addr: user address\n *\n * Returns struct page pointer of user page pinned for dump,\n * to be freed afterwards by page_cache_release() or put_page().\n *\n * Returns NULL on any kind of failure - a hole must then be inserted into\n * the corefile, to preserve alignment with its headers; and also returns\n * NULL wherever the ZERO_PAGE, or an anonymous pte_none, has been found -\n * allowing a hole to be left in the corefile to save diskspace.\n *\n * Called without mmap_sem, but after all other threads have been killed.\n */\n#ifdef CONFIG_ELF_CORE\nstruct page *get_dump_page(unsigned long addr)\n{\n\tstruct vm_area_struct *vma;\n\tstruct page *page;","\tif (__get_user_pages(current, current->mm, addr, 1,\n\t\t\t FOLL_FORCE | FOLL_DUMP | FOLL_GET, &page, &vma,\n\t\t\t NULL) < 1)\n\t\treturn NULL;\n\tflush_cache_page(vma, addr, page_to_pfn(page));\n\treturn page;\n}\n#endif /* CONFIG_ELF_CORE */","pte_t *__get_locked_pte(struct mm_struct *mm, unsigned long addr,\n\t\t\tspinlock_t **ptl)\n{\n\tpgd_t * pgd = pgd_offset(mm, addr);\n\tpud_t * pud = pud_alloc(mm, pgd, addr);\n\tif (pud) {\n\t\tpmd_t * pmd = pmd_alloc(mm, pud, addr);\n\t\tif (pmd) {\n\t\t\tVM_BUG_ON(pmd_trans_huge(*pmd));\n\t\t\treturn pte_alloc_map_lock(mm, pmd, addr, ptl);\n\t\t}\n\t}\n\treturn NULL;\n}","/*\n * This is the old fallback for page remapping.\n *\n * For historical reasons, it only allows reserved pages. Only\n * old drivers should use this, and they needed to mark their\n * pages reserved for the old functions anyway.\n */\nstatic int insert_page(struct vm_area_struct *vma, unsigned long addr,\n\t\t\tstruct page *page, pgprot_t prot)\n{\n\tstruct mm_struct *mm = vma->vm_mm;\n\tint retval;\n\tpte_t *pte;\n\tspinlock_t *ptl;","\tretval = -EINVAL;\n\tif (PageAnon(page))\n\t\tgoto out;\n\tretval = -ENOMEM;\n\tflush_dcache_page(page);\n\tpte = get_locked_pte(mm, addr, &ptl);\n\tif (!pte)\n\t\tgoto out;\n\tretval = -EBUSY;\n\tif (!pte_none(*pte))\n\t\tgoto out_unlock;","\t/* Ok, finally just insert the thing.. */\n\tget_page(page);\n\tinc_mm_counter_fast(mm, MM_FILEPAGES);\n\tpage_add_file_rmap(page);\n\tset_pte_at(mm, addr, pte, mk_pte(page, prot));","\tretval = 0;\n\tpte_unmap_unlock(pte, ptl);\n\treturn retval;\nout_unlock:\n\tpte_unmap_unlock(pte, ptl);\nout:\n\treturn retval;\n}","/**\n * vm_insert_page - insert single page into user vma\n * @vma: user vma to map to\n * @addr: target user address of this page\n * @page: source kernel page\n *\n * This allows drivers to insert individual pages they've allocated\n * into a user vma.\n *\n * The page has to be a nice clean _individual_ kernel allocation.\n * If you allocate a compound page, you need to have marked it as\n * such (__GFP_COMP), or manually just split the page up yourself\n * (see split_page()).\n *\n * NOTE! Traditionally this was done with \"remap_pfn_range()\" which\n * took an arbitrary page protection parameter. This doesn't allow\n * that. Your vma protection will have to be set up correctly, which\n * means that if you want a shared writable mapping, you'd better\n * ask for a shared writable mapping!\n *\n * The page does not need to be reserved.\n *\n * Usually this function is called from f_op->mmap() handler\n * under mm->mmap_sem write-lock, so it can change vma->vm_flags.\n * Caller must set VM_MIXEDMAP on vma if it wants to call this\n * function from other places, for example from page-fault handler.\n */\nint vm_insert_page(struct vm_area_struct *vma, unsigned long addr,\n\t\t\tstruct page *page)\n{\n\tif (addr < vma->vm_start || addr >= vma->vm_end)\n\t\treturn -EFAULT;\n\tif (!page_count(page))\n\t\treturn -EINVAL;\n\tif (!(vma->vm_flags & VM_MIXEDMAP)) {\n\t\tBUG_ON(down_read_trylock(&vma->vm_mm->mmap_sem));\n\t\tBUG_ON(vma->vm_flags & VM_PFNMAP);\n\t\tvma->vm_flags |= VM_MIXEDMAP;\n\t}\n\treturn insert_page(vma, addr, page, vma->vm_page_prot);\n}\nEXPORT_SYMBOL(vm_insert_page);","static int insert_pfn(struct vm_area_struct *vma, unsigned long addr,\n\t\t\tunsigned long pfn, pgprot_t prot)\n{\n\tstruct mm_struct *mm = vma->vm_mm;\n\tint retval;\n\tpte_t *pte, entry;\n\tspinlock_t *ptl;","\tretval = -ENOMEM;\n\tpte = get_locked_pte(mm, addr, &ptl);\n\tif (!pte)\n\t\tgoto out;\n\tretval = -EBUSY;\n\tif (!pte_none(*pte))\n\t\tgoto out_unlock;","\t/* Ok, finally just insert the thing.. */\n\tentry = pte_mkspecial(pfn_pte(pfn, prot));\n\tset_pte_at(mm, addr, pte, entry);\n\tupdate_mmu_cache(vma, addr, pte); /* XXX: why not for insert_page? */","\tretval = 0;\nout_unlock:\n\tpte_unmap_unlock(pte, ptl);\nout:\n\treturn retval;\n}","/**\n * vm_insert_pfn - insert single pfn into user vma\n * @vma: user vma to map to\n * @addr: target user address of this page\n * @pfn: source kernel pfn\n *\n * Similar to vm_insert_page, this allows drivers to insert individual pages\n * they've allocated into a user vma. Same comments apply.\n *\n * This function should only be called from a vm_ops->fault handler, and\n * in that case the handler should return NULL.\n *\n * vma cannot be a COW mapping.\n *\n * As this is called only for pages that do not currently exist, we\n * do not need to flush old virtual caches or the TLB.\n */\nint vm_insert_pfn(struct vm_area_struct *vma, unsigned long addr,\n\t\t\tunsigned long pfn)\n{\n\tint ret;\n\tpgprot_t pgprot = vma->vm_page_prot;\n\t/*\n\t * Technically, architectures with pte_special can avoid all these\n\t * restrictions (same for remap_pfn_range). However we would like\n\t * consistency in testing and feature parity among all, so we should\n\t * try to keep these invariants in place for everybody.\n\t */\n\tBUG_ON(!(vma->vm_flags & (VM_PFNMAP|VM_MIXEDMAP)));\n\tBUG_ON((vma->vm_flags & (VM_PFNMAP|VM_MIXEDMAP)) ==\n\t\t\t\t\t\t(VM_PFNMAP|VM_MIXEDMAP));\n\tBUG_ON((vma->vm_flags & VM_PFNMAP) && is_cow_mapping(vma->vm_flags));\n\tBUG_ON((vma->vm_flags & VM_MIXEDMAP) && pfn_valid(pfn));","\tif (addr < vma->vm_start || addr >= vma->vm_end)\n\t\treturn -EFAULT;\n\tif (track_pfn_insert(vma, &pgprot, pfn))\n\t\treturn -EINVAL;","\tret = insert_pfn(vma, addr, pfn, pgprot);","\treturn ret;\n}\nEXPORT_SYMBOL(vm_insert_pfn);","int vm_insert_mixed(struct vm_area_struct *vma, unsigned long addr,\n\t\t\tunsigned long pfn)\n{\n\tBUG_ON(!(vma->vm_flags & VM_MIXEDMAP));","\tif (addr < vma->vm_start || addr >= vma->vm_end)\n\t\treturn -EFAULT;","\t/*\n\t * If we don't have pte special, then we have to use the pfn_valid()\n\t * based VM_MIXEDMAP scheme (see vm_normal_page), and thus we *must*\n\t * refcount the page if pfn_valid is true (hence insert_page rather\n\t * than insert_pfn). If a zero_pfn were inserted into a VM_MIXEDMAP\n\t * without pte special, it would there be refcounted as a normal page.\n\t */\n\tif (!HAVE_PTE_SPECIAL && pfn_valid(pfn)) {\n\t\tstruct page *page;","\t\tpage = pfn_to_page(pfn);\n\t\treturn insert_page(vma, addr, page, vma->vm_page_prot);\n\t}\n\treturn insert_pfn(vma, addr, pfn, vma->vm_page_prot);\n}\nEXPORT_SYMBOL(vm_insert_mixed);","/*\n * maps a range of physical memory into the requested pages. the old\n * mappings are removed. any references to nonexistent pages results\n * in null mappings (currently treated as \"copy-on-access\")\n */\nstatic int remap_pte_range(struct mm_struct *mm, pmd_t *pmd,\n\t\t\tunsigned long addr, unsigned long end,\n\t\t\tunsigned long pfn, pgprot_t prot)\n{\n\tpte_t *pte;\n\tspinlock_t *ptl;","\tpte = pte_alloc_map_lock(mm, pmd, addr, &ptl);\n\tif (!pte)\n\t\treturn -ENOMEM;\n\tarch_enter_lazy_mmu_mode();\n\tdo {\n\t\tBUG_ON(!pte_none(*pte));\n\t\tset_pte_at(mm, addr, pte, pte_mkspecial(pfn_pte(pfn, prot)));\n\t\tpfn++;\n\t} while (pte++, addr += PAGE_SIZE, addr != end);\n\tarch_leave_lazy_mmu_mode();\n\tpte_unmap_unlock(pte - 1, ptl);\n\treturn 0;\n}","static inline int remap_pmd_range(struct mm_struct *mm, pud_t *pud,\n\t\t\tunsigned long addr, unsigned long end,\n\t\t\tunsigned long pfn, pgprot_t prot)\n{\n\tpmd_t *pmd;\n\tunsigned long next;","\tpfn -= addr >> PAGE_SHIFT;\n\tpmd = pmd_alloc(mm, pud, addr);\n\tif (!pmd)\n\t\treturn -ENOMEM;\n\tVM_BUG_ON(pmd_trans_huge(*pmd));\n\tdo {\n\t\tnext = pmd_addr_end(addr, end);\n\t\tif (remap_pte_range(mm, pmd, addr, next,\n\t\t\t\tpfn + (addr >> PAGE_SHIFT), prot))\n\t\t\treturn -ENOMEM;\n\t} while (pmd++, addr = next, addr != end);\n\treturn 0;\n}","static inline int remap_pud_range(struct mm_struct *mm, pgd_t *pgd,\n\t\t\tunsigned long addr, unsigned long end,\n\t\t\tunsigned long pfn, pgprot_t prot)\n{\n\tpud_t *pud;\n\tunsigned long next;","\tpfn -= addr >> PAGE_SHIFT;\n\tpud = pud_alloc(mm, pgd, addr);\n\tif (!pud)\n\t\treturn -ENOMEM;\n\tdo {\n\t\tnext = pud_addr_end(addr, end);\n\t\tif (remap_pmd_range(mm, pud, addr, next,\n\t\t\t\tpfn + (addr >> PAGE_SHIFT), prot))\n\t\t\treturn -ENOMEM;\n\t} while (pud++, addr = next, addr != end);\n\treturn 0;\n}","/**\n * remap_pfn_range - remap kernel memory to userspace\n * @vma: user vma to map to\n * @addr: target user address to start at\n * @pfn: physical address of kernel memory\n * @size: size of map area\n * @prot: page protection flags for this mapping\n *\n * Note: this is only safe if the mm semaphore is held when called.\n */\nint remap_pfn_range(struct vm_area_struct *vma, unsigned long addr,\n\t\t unsigned long pfn, unsigned long size, pgprot_t prot)\n{\n\tpgd_t *pgd;\n\tunsigned long next;\n\tunsigned long end = addr + PAGE_ALIGN(size);\n\tstruct mm_struct *mm = vma->vm_mm;\n\tint err;","\t/*\n\t * Physically remapped pages are special. Tell the\n\t * rest of the world about it:\n\t * VM_IO tells people not to look at these pages\n\t *\t(accesses can have side effects).\n\t * VM_PFNMAP tells the core MM that the base pages are just\n\t *\traw PFN mappings, and do not have a \"struct page\" associated\n\t *\twith them.\n\t * VM_DONTEXPAND\n\t * Disable vma merging and expanding with mremap().\n\t * VM_DONTDUMP\n\t * Omit vma from core dump, even when VM_IO turned off.\n\t *\n\t * There's a horrible special case to handle copy-on-write\n\t * behaviour that some programs depend on. We mark the \"original\"\n\t * un-COW'ed pages by matching them up with \"vma->vm_pgoff\".\n\t * See vm_normal_page() for details.\n\t */\n\tif (is_cow_mapping(vma->vm_flags)) {\n\t\tif (addr != vma->vm_start || end != vma->vm_end)\n\t\t\treturn -EINVAL;\n\t\tvma->vm_pgoff = pfn;\n\t}","\terr = track_pfn_remap(vma, &prot, pfn, addr, PAGE_ALIGN(size));\n\tif (err)\n\t\treturn -EINVAL;","\tvma->vm_flags |= VM_IO | VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP;","\tBUG_ON(addr >= end);\n\tpfn -= addr >> PAGE_SHIFT;\n\tpgd = pgd_offset(mm, addr);\n\tflush_cache_range(vma, addr, end);\n\tdo {\n\t\tnext = pgd_addr_end(addr, end);\n\t\terr = remap_pud_range(mm, pgd, addr, next,\n\t\t\t\tpfn + (addr >> PAGE_SHIFT), prot);\n\t\tif (err)\n\t\t\tbreak;\n\t} while (pgd++, addr = next, addr != end);","\tif (err)\n\t\tuntrack_pfn(vma, pfn, PAGE_ALIGN(size));","\treturn err;\n}\nEXPORT_SYMBOL(remap_pfn_range);\n","/**\n * vm_iomap_memory - remap memory to userspace\n * @vma: user vma to map to\n * @start: start of area\n * @len: size of area\n *\n * This is a simplified io_remap_pfn_range() for common driver use. The\n * driver just needs to give us the physical memory range to be mapped,\n * we'll figure out the rest from the vma information.\n *\n * NOTE! Some drivers might want to tweak vma->vm_page_prot first to get\n * whatever write-combining details or similar.\n */\nint vm_iomap_memory(struct vm_area_struct *vma, phys_addr_t start, unsigned long len)\n{\n\tunsigned long vm_len, pfn, pages;","\t/* Check that the physical memory area passed in looks valid */\n\tif (start + len < start)\n\t\treturn -EINVAL;\n\t/*\n\t * You *really* shouldn't map things that aren't page-aligned,\n\t * but we've historically allowed it because IO memory might\n\t * just have smaller alignment.\n\t */\n\tlen += start & ~PAGE_MASK;\n\tpfn = start >> PAGE_SHIFT;\n\tpages = (len + ~PAGE_MASK) >> PAGE_SHIFT;\n\tif (pfn + pages < pfn)\n\t\treturn -EINVAL;","\t/* We start the mapping 'vm_pgoff' pages into the area */\n\tif (vma->vm_pgoff > pages)\n\t\treturn -EINVAL;\n\tpfn += vma->vm_pgoff;\n\tpages -= vma->vm_pgoff;","\t/* Can we fit all of the mapping? */\n\tvm_len = vma->vm_end - vma->vm_start;\n\tif (vm_len >> PAGE_SHIFT > pages)\n\t\treturn -EINVAL;","\t/* Ok, let it rip */\n\treturn io_remap_pfn_range(vma, vma->vm_start, pfn, vm_len, vma->vm_page_prot);\n}\nEXPORT_SYMBOL(vm_iomap_memory);\n","static int apply_to_pte_range(struct mm_struct *mm, pmd_t *pmd,\n\t\t\t\t unsigned long addr, unsigned long end,\n\t\t\t\t pte_fn_t fn, void *data)\n{\n\tpte_t *pte;\n\tint err;\n\tpgtable_t token;\n\tspinlock_t *uninitialized_var(ptl);","\tpte = (mm == &init_mm) ?\n\t\tpte_alloc_kernel(pmd, addr) :\n\t\tpte_alloc_map_lock(mm, pmd, addr, &ptl);\n\tif (!pte)\n\t\treturn -ENOMEM;","\tBUG_ON(pmd_huge(*pmd));","\tarch_enter_lazy_mmu_mode();","\ttoken = pmd_pgtable(*pmd);","\tdo {\n\t\terr = fn(pte++, token, addr, data);\n\t\tif (err)\n\t\t\tbreak;\n\t} while (addr += PAGE_SIZE, addr != end);","\tarch_leave_lazy_mmu_mode();","\tif (mm != &init_mm)\n\t\tpte_unmap_unlock(pte-1, ptl);\n\treturn err;\n}","static int apply_to_pmd_range(struct mm_struct *mm, pud_t *pud,\n\t\t\t\t unsigned long addr, unsigned long end,\n\t\t\t\t pte_fn_t fn, void *data)\n{\n\tpmd_t *pmd;\n\tunsigned long next;\n\tint err;","\tBUG_ON(pud_huge(*pud));","\tpmd = pmd_alloc(mm, pud, addr);\n\tif (!pmd)\n\t\treturn -ENOMEM;\n\tdo {\n\t\tnext = pmd_addr_end(addr, end);\n\t\terr = apply_to_pte_range(mm, pmd, addr, next, fn, data);\n\t\tif (err)\n\t\t\tbreak;\n\t} while (pmd++, addr = next, addr != end);\n\treturn err;\n}","static int apply_to_pud_range(struct mm_struct *mm, pgd_t *pgd,\n\t\t\t\t unsigned long addr, unsigned long end,\n\t\t\t\t pte_fn_t fn, void *data)\n{\n\tpud_t *pud;\n\tunsigned long next;\n\tint err;","\tpud = pud_alloc(mm, pgd, addr);\n\tif (!pud)\n\t\treturn -ENOMEM;\n\tdo {\n\t\tnext = pud_addr_end(addr, end);\n\t\terr = apply_to_pmd_range(mm, pud, addr, next, fn, data);\n\t\tif (err)\n\t\t\tbreak;\n\t} while (pud++, addr = next, addr != end);\n\treturn err;\n}","/*\n * Scan a region of virtual memory, filling in page tables as necessary\n * and calling a provided function on each leaf page table.\n */\nint apply_to_page_range(struct mm_struct *mm, unsigned long addr,\n\t\t\tunsigned long size, pte_fn_t fn, void *data)\n{\n\tpgd_t *pgd;\n\tunsigned long next;\n\tunsigned long end = addr + size;\n\tint err;","\tBUG_ON(addr >= end);\n\tpgd = pgd_offset(mm, addr);\n\tdo {\n\t\tnext = pgd_addr_end(addr, end);\n\t\terr = apply_to_pud_range(mm, pgd, addr, next, fn, data);\n\t\tif (err)\n\t\t\tbreak;\n\t} while (pgd++, addr = next, addr != end);","\treturn err;\n}\nEXPORT_SYMBOL_GPL(apply_to_page_range);","/*\n * handle_pte_fault chooses page fault handler according to an entry\n * which was read non-atomically. Before making any commitment, on\n * those architectures or configurations (e.g. i386 with PAE) which\n * might give a mix of unmatched parts, do_swap_page and do_nonlinear_fault\n * must check under lock before unmapping the pte and proceeding\n * (but do_wp_page is only called after already making such a check;\n * and do_anonymous_page can safely check later on).\n */\nstatic inline int pte_unmap_same(struct mm_struct *mm, pmd_t *pmd,\n\t\t\t\tpte_t *page_table, pte_t orig_pte)\n{\n\tint same = 1;\n#if defined(CONFIG_SMP) || defined(CONFIG_PREEMPT)\n\tif (sizeof(pte_t) > sizeof(unsigned long)) {\n\t\tspinlock_t *ptl = pte_lockptr(mm, pmd);\n\t\tspin_lock(ptl);\n\t\tsame = pte_same(*page_table, orig_pte);\n\t\tspin_unlock(ptl);\n\t}\n#endif\n\tpte_unmap(page_table);\n\treturn same;\n}","static inline void cow_user_page(struct page *dst, struct page *src, unsigned long va, struct vm_area_struct *vma)\n{\n\t/*\n\t * If the source page was a PFN mapping, we don't have\n\t * a \"struct page\" for it. We do a best-effort copy by\n\t * just copying from the original user address. If that\n\t * fails, we just zero-fill it. Live with it.\n\t */\n\tif (unlikely(!src)) {\n\t\tvoid *kaddr = kmap_atomic(dst);\n\t\tvoid __user *uaddr = (void __user *)(va & PAGE_MASK);","\t\t/*\n\t\t * This really shouldn't fail, because the page is there\n\t\t * in the page tables. But it might just be unreadable,\n\t\t * in which case we just give up and fill the result with\n\t\t * zeroes.\n\t\t */\n\t\tif (__copy_from_user_inatomic(kaddr, uaddr, PAGE_SIZE))\n\t\t\tclear_page(kaddr);\n\t\tkunmap_atomic(kaddr);\n\t\tflush_dcache_page(dst);\n\t} else\n\t\tcopy_user_highpage(dst, src, va, vma);\n}","/*\n * This routine handles present pages, when users try to write\n * to a shared page. It is done by copying the page to a new address\n * and decrementing the shared-page counter for the old page.\n *\n * Note that this routine assumes that the protection checks have been\n * done by the caller (the low-level page fault routine in most cases).\n * Thus we can safely just mark it writable once we've done any necessary\n * COW.\n *\n * We also mark the page dirty at this point even though the page will\n * change only once the write actually happens. This avoids a few races,\n * and potentially makes it more efficient.\n *\n * We enter with non-exclusive mmap_sem (to exclude vma changes,\n * but allow concurrent faults), with pte both mapped and locked.\n * We return with mmap_sem still held, but pte unmapped and unlocked.\n */\nstatic int do_wp_page(struct mm_struct *mm, struct vm_area_struct *vma,\n\t\tunsigned long address, pte_t *page_table, pmd_t *pmd,\n\t\tspinlock_t *ptl, pte_t orig_pte)\n\t__releases(ptl)\n{\n\tstruct page *old_page, *new_page = NULL;\n\tpte_t entry;\n\tint ret = 0;\n\tint page_mkwrite = 0;\n\tstruct page *dirty_page = NULL;\n\tunsigned long mmun_start = 0;\t/* For mmu_notifiers */\n\tunsigned long mmun_end = 0;\t/* For mmu_notifiers */","\told_page = vm_normal_page(vma, address, orig_pte);\n\tif (!old_page) {\n\t\t/*\n\t\t * VM_MIXEDMAP !pfn_valid() case\n\t\t *\n\t\t * We should not cow pages in a shared writeable mapping.\n\t\t * Just mark the pages writable as we can't do any dirty\n\t\t * accounting on raw pfn maps.\n\t\t */\n\t\tif ((vma->vm_flags & (VM_WRITE|VM_SHARED)) ==\n\t\t\t\t (VM_WRITE|VM_SHARED))\n\t\t\tgoto reuse;\n\t\tgoto gotten;\n\t}","\t/*\n\t * Take out anonymous pages first, anonymous shared vmas are\n\t * not dirty accountable.\n\t */\n\tif (PageAnon(old_page) && !PageKsm(old_page)) {\n\t\tif (!trylock_page(old_page)) {\n\t\t\tpage_cache_get(old_page);\n\t\t\tpte_unmap_unlock(page_table, ptl);\n\t\t\tlock_page(old_page);\n\t\t\tpage_table = pte_offset_map_lock(mm, pmd, address,\n\t\t\t\t\t\t\t &ptl);\n\t\t\tif (!pte_same(*page_table, orig_pte)) {\n\t\t\t\tunlock_page(old_page);\n\t\t\t\tgoto unlock;\n\t\t\t}\n\t\t\tpage_cache_release(old_page);\n\t\t}\n\t\tif (reuse_swap_page(old_page)) {\n\t\t\t/*\n\t\t\t * The page is all ours. Move it to our anon_vma so\n\t\t\t * the rmap code will not search our parent or siblings.\n\t\t\t * Protected against the rmap code by the page lock.\n\t\t\t */\n\t\t\tpage_move_anon_rmap(old_page, vma, address);\n\t\t\tunlock_page(old_page);\n\t\t\tgoto reuse;\n\t\t}\n\t\tunlock_page(old_page);\n\t} else if (unlikely((vma->vm_flags & (VM_WRITE|VM_SHARED)) ==\n\t\t\t\t\t(VM_WRITE|VM_SHARED))) {\n\t\t/*\n\t\t * Only catch write-faults on shared writable pages,\n\t\t * read-only shared pages can get COWed by\n\t\t * get_user_pages(.write=1, .force=1).\n\t\t */\n\t\tif (vma->vm_ops && vma->vm_ops->page_mkwrite) {\n\t\t\tstruct vm_fault vmf;\n\t\t\tint tmp;","\t\t\tvmf.virtual_address = (void __user *)(address &\n\t\t\t\t\t\t\t\tPAGE_MASK);\n\t\t\tvmf.pgoff = old_page->index;\n\t\t\tvmf.flags = FAULT_FLAG_WRITE|FAULT_FLAG_MKWRITE;\n\t\t\tvmf.page = old_page;","\t\t\t/*\n\t\t\t * Notify the address space that the page is about to\n\t\t\t * become writable so that it can prohibit this or wait\n\t\t\t * for the page to get into an appropriate state.\n\t\t\t *\n\t\t\t * We do this without the lock held, so that it can\n\t\t\t * sleep if it needs to.\n\t\t\t */\n\t\t\tpage_cache_get(old_page);\n\t\t\tpte_unmap_unlock(page_table, ptl);","\t\t\ttmp = vma->vm_ops->page_mkwrite(vma, &vmf);\n\t\t\tif (unlikely(tmp &\n\t\t\t\t\t(VM_FAULT_ERROR | VM_FAULT_NOPAGE))) {\n\t\t\t\tret = tmp;\n\t\t\t\tgoto unwritable_page;\n\t\t\t}\n\t\t\tif (unlikely(!(tmp & VM_FAULT_LOCKED))) {\n\t\t\t\tlock_page(old_page);\n\t\t\t\tif (!old_page->mapping) {\n\t\t\t\t\tret = 0; /* retry the fault */\n\t\t\t\t\tunlock_page(old_page);\n\t\t\t\t\tgoto unwritable_page;\n\t\t\t\t}\n\t\t\t} else\n\t\t\t\tVM_BUG_ON(!PageLocked(old_page));","\t\t\t/*\n\t\t\t * Since we dropped the lock we need to revalidate\n\t\t\t * the PTE as someone else may have changed it. If\n\t\t\t * they did, we just return, as we can count on the\n\t\t\t * MMU to tell us if they didn't also make it writable.\n\t\t\t */\n\t\t\tpage_table = pte_offset_map_lock(mm, pmd, address,\n\t\t\t\t\t\t\t &ptl);\n\t\t\tif (!pte_same(*page_table, orig_pte)) {\n\t\t\t\tunlock_page(old_page);\n\t\t\t\tgoto unlock;\n\t\t\t}","\t\t\tpage_mkwrite = 1;\n\t\t}\n\t\tdirty_page = old_page;\n\t\tget_page(dirty_page);","reuse:\n\t\tflush_cache_page(vma, address, pte_pfn(orig_pte));\n\t\tentry = pte_mkyoung(orig_pte);\n\t\tentry = maybe_mkwrite(pte_mkdirty(entry), vma);\n\t\tif (ptep_set_access_flags(vma, address, page_table, entry,1))\n\t\t\tupdate_mmu_cache(vma, address, page_table);\n\t\tpte_unmap_unlock(page_table, ptl);\n\t\tret |= VM_FAULT_WRITE;","\t\tif (!dirty_page)\n\t\t\treturn ret;","\t\t/*\n\t\t * Yes, Virginia, this is actually required to prevent a race\n\t\t * with clear_page_dirty_for_io() from clearing the page dirty\n\t\t * bit after it clear all dirty ptes, but before a racing\n\t\t * do_wp_page installs a dirty pte.\n\t\t *\n\t\t * __do_fault is protected similarly.\n\t\t */\n\t\tif (!page_mkwrite) {\n\t\t\twait_on_page_locked(dirty_page);\n\t\t\tset_page_dirty_balance(dirty_page, page_mkwrite);\n\t\t\t/* file_update_time outside page_lock */\n\t\t\tif (vma->vm_file)\n\t\t\t\tfile_update_time(vma->vm_file);\n\t\t}\n\t\tput_page(dirty_page);\n\t\tif (page_mkwrite) {\n\t\t\tstruct address_space *mapping = dirty_page->mapping;","\t\t\tset_page_dirty(dirty_page);\n\t\t\tunlock_page(dirty_page);\n\t\t\tpage_cache_release(dirty_page);\n\t\t\tif (mapping)\t{\n\t\t\t\t/*\n\t\t\t\t * Some device drivers do not set page.mapping\n\t\t\t\t * but still dirty their pages\n\t\t\t\t */\n\t\t\t\tbalance_dirty_pages_ratelimited(mapping);\n\t\t\t}\n\t\t}","\t\treturn ret;\n\t}","\t/*\n\t * Ok, we need to copy. Oh, well..\n\t */\n\tpage_cache_get(old_page);\ngotten:\n\tpte_unmap_unlock(page_table, ptl);","\tif (unlikely(anon_vma_prepare(vma)))\n\t\tgoto oom;","\tif (is_zero_pfn(pte_pfn(orig_pte))) {\n\t\tnew_page = alloc_zeroed_user_highpage_movable(vma, address);\n\t\tif (!new_page)\n\t\t\tgoto oom;\n\t} else {\n\t\tnew_page = alloc_page_vma(GFP_HIGHUSER_MOVABLE, vma, address);\n\t\tif (!new_page)\n\t\t\tgoto oom;\n\t\tcow_user_page(new_page, old_page, address, vma);\n\t}\n\t__SetPageUptodate(new_page);","\tif (mem_cgroup_newpage_charge(new_page, mm, GFP_KERNEL))\n\t\tgoto oom_free_new;","\tmmun_start = address & PAGE_MASK;\n\tmmun_end = mmun_start + PAGE_SIZE;\n\tmmu_notifier_invalidate_range_start(mm, mmun_start, mmun_end);","\t/*\n\t * Re-check the pte - we dropped the lock\n\t */\n\tpage_table = pte_offset_map_lock(mm, pmd, address, &ptl);\n\tif (likely(pte_same(*page_table, orig_pte))) {\n\t\tif (old_page) {\n\t\t\tif (!PageAnon(old_page)) {\n\t\t\t\tdec_mm_counter_fast(mm, MM_FILEPAGES);\n\t\t\t\tinc_mm_counter_fast(mm, MM_ANONPAGES);\n\t\t\t}\n\t\t} else\n\t\t\tinc_mm_counter_fast(mm, MM_ANONPAGES);\n\t\tflush_cache_page(vma, address, pte_pfn(orig_pte));\n\t\tentry = mk_pte(new_page, vma->vm_page_prot);\n\t\tentry = maybe_mkwrite(pte_mkdirty(entry), vma);\n\t\t/*\n\t\t * Clear the pte entry and flush it first, before updating the\n\t\t * pte with the new entry. This will avoid a race condition\n\t\t * seen in the presence of one thread doing SMC and another\n\t\t * thread doing COW.\n\t\t */\n\t\tptep_clear_flush(vma, address, page_table);\n\t\tpage_add_new_anon_rmap(new_page, vma, address);\n\t\t/*\n\t\t * We call the notify macro here because, when using secondary\n\t\t * mmu page tables (such as kvm shadow page tables), we want the\n\t\t * new page to be mapped directly into the secondary page table.\n\t\t */\n\t\tset_pte_at_notify(mm, address, page_table, entry);\n\t\tupdate_mmu_cache(vma, address, page_table);\n\t\tif (old_page) {\n\t\t\t/*\n\t\t\t * Only after switching the pte to the new page may\n\t\t\t * we remove the mapcount here. Otherwise another\n\t\t\t * process may come and find the rmap count decremented\n\t\t\t * before the pte is switched to the new page, and\n\t\t\t * \"reuse\" the old page writing into it while our pte\n\t\t\t * here still points into it and can be read by other\n\t\t\t * threads.\n\t\t\t *\n\t\t\t * The critical issue is to order this\n\t\t\t * page_remove_rmap with the ptp_clear_flush above.\n\t\t\t * Those stores are ordered by (if nothing else,)\n\t\t\t * the barrier present in the atomic_add_negative\n\t\t\t * in page_remove_rmap.\n\t\t\t *\n\t\t\t * Then the TLB flush in ptep_clear_flush ensures that\n\t\t\t * no process can access the old page before the\n\t\t\t * decremented mapcount is visible. And the old page\n\t\t\t * cannot be reused until after the decremented\n\t\t\t * mapcount is visible. So transitively, TLBs to\n\t\t\t * old page will be flushed before it can be reused.\n\t\t\t */\n\t\t\tpage_remove_rmap(old_page);\n\t\t}","\t\t/* Free the old page.. */\n\t\tnew_page = old_page;\n\t\tret |= VM_FAULT_WRITE;\n\t} else\n\t\tmem_cgroup_uncharge_page(new_page);","\tif (new_page)\n\t\tpage_cache_release(new_page);\nunlock:\n\tpte_unmap_unlock(page_table, ptl);\n\tif (mmun_end > mmun_start)\n\t\tmmu_notifier_invalidate_range_end(mm, mmun_start, mmun_end);\n\tif (old_page) {\n\t\t/*\n\t\t * Don't let another task, with possibly unlocked vma,\n\t\t * keep the mlocked page.\n\t\t */\n\t\tif ((ret & VM_FAULT_WRITE) && (vma->vm_flags & VM_LOCKED)) {\n\t\t\tlock_page(old_page);\t/* LRU manipulation */\n\t\t\tmunlock_vma_page(old_page);\n\t\t\tunlock_page(old_page);\n\t\t}\n\t\tpage_cache_release(old_page);\n\t}\n\treturn ret;\noom_free_new:\n\tpage_cache_release(new_page);\noom:\n\tif (old_page)\n\t\tpage_cache_release(old_page);\n\treturn VM_FAULT_OOM;","unwritable_page:\n\tpage_cache_release(old_page);\n\treturn ret;\n}","static void unmap_mapping_range_vma(struct vm_area_struct *vma,\n\t\tunsigned long start_addr, unsigned long end_addr,\n\t\tstruct zap_details *details)\n{\n\tzap_page_range_single(vma, start_addr, end_addr - start_addr, details);\n}","static inline void unmap_mapping_range_tree(struct rb_root *root,\n\t\t\t\t\t struct zap_details *details)\n{\n\tstruct vm_area_struct *vma;\n\tpgoff_t vba, vea, zba, zea;","\tvma_interval_tree_foreach(vma, root,\n\t\t\tdetails->first_index, details->last_index) {","\t\tvba = vma->vm_pgoff;\n\t\tvea = vba + ((vma->vm_end - vma->vm_start) >> PAGE_SHIFT) - 1;\n\t\t/* Assume for now that PAGE_CACHE_SHIFT == PAGE_SHIFT */\n\t\tzba = details->first_index;\n\t\tif (zba < vba)\n\t\t\tzba = vba;\n\t\tzea = details->last_index;\n\t\tif (zea > vea)\n\t\t\tzea = vea;","\t\tunmap_mapping_range_vma(vma,\n\t\t\t((zba - vba) << PAGE_SHIFT) + vma->vm_start,\n\t\t\t((zea - vba + 1) << PAGE_SHIFT) + vma->vm_start,\n\t\t\t\tdetails);\n\t}\n}","static inline void unmap_mapping_range_list(struct list_head *head,\n\t\t\t\t\t struct zap_details *details)\n{\n\tstruct vm_area_struct *vma;","\t/*\n\t * In nonlinear VMAs there is no correspondence between virtual address\n\t * offset and file offset. So we must perform an exhaustive search\n\t * across *all* the pages in each nonlinear VMA, not just the pages\n\t * whose virtual address lies outside the file truncation point.\n\t */\n\tlist_for_each_entry(vma, head, shared.nonlinear) {\n\t\tdetails->nonlinear_vma = vma;\n\t\tunmap_mapping_range_vma(vma, vma->vm_start, vma->vm_end, details);\n\t}\n}","/**\n * unmap_mapping_range - unmap the portion of all mmaps in the specified address_space corresponding to the specified page range in the underlying file.\n * @mapping: the address space containing mmaps to be unmapped.\n * @holebegin: byte in first page to unmap, relative to the start of\n * the underlying file. This will be rounded down to a PAGE_SIZE\n * boundary. Note that this is different from truncate_pagecache(), which\n * must keep the partial page. In contrast, we must get rid of\n * partial pages.\n * @holelen: size of prospective hole in bytes. This will be rounded\n * up to a PAGE_SIZE boundary. A holelen of zero truncates to the\n * end of the file.\n * @even_cows: 1 when truncating a file, unmap even private COWed pages;\n * but 0 when invalidating pagecache, don't throw away private data.\n */\nvoid unmap_mapping_range(struct address_space *mapping,\n\t\tloff_t const holebegin, loff_t const holelen, int even_cows)\n{\n\tstruct zap_details details;\n\tpgoff_t hba = holebegin >> PAGE_SHIFT;\n\tpgoff_t hlen = (holelen + PAGE_SIZE - 1) >> PAGE_SHIFT;","\t/* Check for overflow. */\n\tif (sizeof(holelen) > sizeof(hlen)) {\n\t\tlong long holeend =\n\t\t\t(holebegin + holelen + PAGE_SIZE - 1) >> PAGE_SHIFT;\n\t\tif (holeend & ~(long long)ULONG_MAX)\n\t\t\thlen = ULONG_MAX - hba + 1;\n\t}","\tdetails.check_mapping = even_cows? NULL: mapping;\n\tdetails.nonlinear_vma = NULL;\n\tdetails.first_index = hba;\n\tdetails.last_index = hba + hlen - 1;\n\tif (details.last_index < details.first_index)\n\t\tdetails.last_index = ULONG_MAX;","\n\tmutex_lock(&mapping->i_mmap_mutex);\n\tif (unlikely(!RB_EMPTY_ROOT(&mapping->i_mmap)))\n\t\tunmap_mapping_range_tree(&mapping->i_mmap, &details);\n\tif (unlikely(!list_empty(&mapping->i_mmap_nonlinear)))\n\t\tunmap_mapping_range_list(&mapping->i_mmap_nonlinear, &details);\n\tmutex_unlock(&mapping->i_mmap_mutex);\n}\nEXPORT_SYMBOL(unmap_mapping_range);","/*\n * We enter with non-exclusive mmap_sem (to exclude vma changes,\n * but allow concurrent faults), and pte mapped but not yet locked.\n * We return with mmap_sem still held, but pte unmapped and unlocked.\n */\nstatic int do_swap_page(struct mm_struct *mm, struct vm_area_struct *vma,\n\t\tunsigned long address, pte_t *page_table, pmd_t *pmd,\n\t\tunsigned int flags, pte_t orig_pte)\n{\n\tspinlock_t *ptl;\n\tstruct page *page, *swapcache;\n\tswp_entry_t entry;\n\tpte_t pte;\n\tint locked;\n\tstruct mem_cgroup *ptr;\n\tint exclusive = 0;\n\tint ret = 0;","\tif (!pte_unmap_same(mm, pmd, page_table, orig_pte))\n\t\tgoto out;","\tentry = pte_to_swp_entry(orig_pte);\n\tif (unlikely(non_swap_entry(entry))) {\n\t\tif (is_migration_entry(entry)) {\n\t\t\tmigration_entry_wait(mm, pmd, address);\n\t\t} else if (is_hwpoison_entry(entry)) {\n\t\t\tret = VM_FAULT_HWPOISON;\n\t\t} else {\n\t\t\tprint_bad_pte(vma, address, orig_pte, NULL);\n\t\t\tret = VM_FAULT_SIGBUS;\n\t\t}\n\t\tgoto out;\n\t}\n\tdelayacct_set_flag(DELAYACCT_PF_SWAPIN);\n\tpage = lookup_swap_cache(entry);\n\tif (!page) {\n\t\tpage = swapin_readahead(entry,\n\t\t\t\t\tGFP_HIGHUSER_MOVABLE, vma, address);\n\t\tif (!page) {\n\t\t\t/*\n\t\t\t * Back out if somebody else faulted in this pte\n\t\t\t * while we released the pte lock.\n\t\t\t */\n\t\t\tpage_table = pte_offset_map_lock(mm, pmd, address, &ptl);\n\t\t\tif (likely(pte_same(*page_table, orig_pte)))\n\t\t\t\tret = VM_FAULT_OOM;\n\t\t\tdelayacct_clear_flag(DELAYACCT_PF_SWAPIN);\n\t\t\tgoto unlock;\n\t\t}","\t\t/* Had to read the page from swap area: Major fault */\n\t\tret = VM_FAULT_MAJOR;\n\t\tcount_vm_event(PGMAJFAULT);\n\t\tmem_cgroup_count_vm_event(mm, PGMAJFAULT);\n\t} else if (PageHWPoison(page)) {\n\t\t/*\n\t\t * hwpoisoned dirty swapcache pages are kept for killing\n\t\t * owner processes (which may be unknown at hwpoison time)\n\t\t */\n\t\tret = VM_FAULT_HWPOISON;\n\t\tdelayacct_clear_flag(DELAYACCT_PF_SWAPIN);\n\t\tswapcache = page;\n\t\tgoto out_release;\n\t}","\tswapcache = page;\n\tlocked = lock_page_or_retry(page, mm, flags);","\tdelayacct_clear_flag(DELAYACCT_PF_SWAPIN);\n\tif (!locked) {\n\t\tret |= VM_FAULT_RETRY;\n\t\tgoto out_release;\n\t}","\t/*\n\t * Make sure try_to_free_swap or reuse_swap_page or swapoff did not\n\t * release the swapcache from under us. The page pin, and pte_same\n\t * test below, are not enough to exclude that. Even if it is still\n\t * swapcache, we need to check that the page's swap has not changed.\n\t */\n\tif (unlikely(!PageSwapCache(page) || page_private(page) != entry.val))\n\t\tgoto out_page;","\tpage = ksm_might_need_to_copy(page, vma, address);\n\tif (unlikely(!page)) {\n\t\tret = VM_FAULT_OOM;\n\t\tpage = swapcache;\n\t\tgoto out_page;\n\t}","\tif (mem_cgroup_try_charge_swapin(mm, page, GFP_KERNEL, &ptr)) {\n\t\tret = VM_FAULT_OOM;\n\t\tgoto out_page;\n\t}","\t/*\n\t * Back out if somebody else already faulted in this pte.\n\t */\n\tpage_table = pte_offset_map_lock(mm, pmd, address, &ptl);\n\tif (unlikely(!pte_same(*page_table, orig_pte)))\n\t\tgoto out_nomap;","\tif (unlikely(!PageUptodate(page))) {\n\t\tret = VM_FAULT_SIGBUS;\n\t\tgoto out_nomap;\n\t}","\t/*\n\t * The page isn't present yet, go ahead with the fault.\n\t *\n\t * Be careful about the sequence of operations here.\n\t * To get its accounting right, reuse_swap_page() must be called\n\t * while the page is counted on swap but not yet in mapcount i.e.\n\t * before page_add_anon_rmap() and swap_free(); try_to_free_swap()\n\t * must be called after the swap_free(), or it will never succeed.\n\t * Because delete_from_swap_page() may be called by reuse_swap_page(),\n\t * mem_cgroup_commit_charge_swapin() may not be able to find swp_entry\n\t * in page->private. In this case, a record in swap_cgroup is silently\n\t * discarded at swap_free().\n\t */","\tinc_mm_counter_fast(mm, MM_ANONPAGES);\n\tdec_mm_counter_fast(mm, MM_SWAPENTS);\n\tpte = mk_pte(page, vma->vm_page_prot);\n\tif ((flags & FAULT_FLAG_WRITE) && reuse_swap_page(page)) {\n\t\tpte = maybe_mkwrite(pte_mkdirty(pte), vma);\n\t\tflags &= ~FAULT_FLAG_WRITE;\n\t\tret |= VM_FAULT_WRITE;\n\t\texclusive = 1;\n\t}\n\tflush_icache_page(vma, page);\n\tset_pte_at(mm, address, page_table, pte);\n\tif (page == swapcache)\n\t\tdo_page_add_anon_rmap(page, vma, address, exclusive);\n\telse /* ksm created a completely new copy */\n\t\tpage_add_new_anon_rmap(page, vma, address);\n\t/* It's better to call commit-charge after rmap is established */\n\tmem_cgroup_commit_charge_swapin(page, ptr);","\tswap_free(entry);\n\tif (vm_swap_full() || (vma->vm_flags & VM_LOCKED) || PageMlocked(page))\n\t\ttry_to_free_swap(page);\n\tunlock_page(page);\n\tif (page != swapcache) {\n\t\t/*\n\t\t * Hold the lock to avoid the swap entry to be reused\n\t\t * until we take the PT lock for the pte_same() check\n\t\t * (to avoid false positives from pte_same). For\n\t\t * further safety release the lock after the swap_free\n\t\t * so that the swap count won't change under a\n\t\t * parallel locked swapcache.\n\t\t */\n\t\tunlock_page(swapcache);\n\t\tpage_cache_release(swapcache);\n\t}","\tif (flags & FAULT_FLAG_WRITE) {\n\t\tret |= do_wp_page(mm, vma, address, page_table, pmd, ptl, pte);\n\t\tif (ret & VM_FAULT_ERROR)\n\t\t\tret &= VM_FAULT_ERROR;\n\t\tgoto out;\n\t}","\t/* No need to invalidate - it was non-present before */\n\tupdate_mmu_cache(vma, address, page_table);\nunlock:\n\tpte_unmap_unlock(page_table, ptl);\nout:\n\treturn ret;\nout_nomap:\n\tmem_cgroup_cancel_charge_swapin(ptr);\n\tpte_unmap_unlock(page_table, ptl);\nout_page:\n\tunlock_page(page);\nout_release:\n\tpage_cache_release(page);\n\tif (page != swapcache) {\n\t\tunlock_page(swapcache);\n\t\tpage_cache_release(swapcache);\n\t}\n\treturn ret;\n}","/*\n * This is like a special single-page \"expand_{down|up}wards()\",\n * except we must first make sure that 'address{-|+}PAGE_SIZE'\n * doesn't hit another vma.\n */\nstatic inline int check_stack_guard_page(struct vm_area_struct *vma, unsigned long address)\n{\n\taddress &= PAGE_MASK;\n\tif ((vma->vm_flags & VM_GROWSDOWN) && address == vma->vm_start) {\n\t\tstruct vm_area_struct *prev = vma->vm_prev;","\t\t/*\n\t\t * Is there a mapping abutting this one below?\n\t\t *\n\t\t * That's only ok if it's the same stack mapping\n\t\t * that has gotten split..\n\t\t */\n\t\tif (prev && prev->vm_end == address)\n\t\t\treturn prev->vm_flags & VM_GROWSDOWN ? 0 : -ENOMEM;","\t\texpand_downwards(vma, address - PAGE_SIZE);\n\t}\n\tif ((vma->vm_flags & VM_GROWSUP) && address + PAGE_SIZE == vma->vm_end) {\n\t\tstruct vm_area_struct *next = vma->vm_next;","\t\t/* As VM_GROWSDOWN but s/below/above/ */\n\t\tif (next && next->vm_start == address + PAGE_SIZE)\n\t\t\treturn next->vm_flags & VM_GROWSUP ? 0 : -ENOMEM;","\t\texpand_upwards(vma, address + PAGE_SIZE);\n\t}\n\treturn 0;\n}","/*\n * We enter with non-exclusive mmap_sem (to exclude vma changes,\n * but allow concurrent faults), and pte mapped but not yet locked.\n * We return with mmap_sem still held, but pte unmapped and unlocked.\n */\nstatic int do_anonymous_page(struct mm_struct *mm, struct vm_area_struct *vma,\n\t\tunsigned long address, pte_t *page_table, pmd_t *pmd,\n\t\tunsigned int flags)\n{\n\tstruct page *page;\n\tspinlock_t *ptl;\n\tpte_t entry;","\tpte_unmap(page_table);","\t/* Check if we need to add a guard page to the stack */\n\tif (check_stack_guard_page(vma, address) < 0)\n\t\treturn VM_FAULT_SIGBUS;","\t/* Use the zero-page for reads */\n\tif (!(flags & FAULT_FLAG_WRITE)) {\n\t\tentry = pte_mkspecial(pfn_pte(my_zero_pfn(address),\n\t\t\t\t\t\tvma->vm_page_prot));\n\t\tpage_table = pte_offset_map_lock(mm, pmd, address, &ptl);\n\t\tif (!pte_none(*page_table))\n\t\t\tgoto unlock;\n\t\tgoto setpte;\n\t}","\t/* Allocate our own private page. */\n\tif (unlikely(anon_vma_prepare(vma)))\n\t\tgoto oom;\n\tpage = alloc_zeroed_user_highpage_movable(vma, address);\n\tif (!page)\n\t\tgoto oom;\n\t__SetPageUptodate(page);","\tif (mem_cgroup_newpage_charge(page, mm, GFP_KERNEL))\n\t\tgoto oom_free_page;","\tentry = mk_pte(page, vma->vm_page_prot);\n\tif (vma->vm_flags & VM_WRITE)\n\t\tentry = pte_mkwrite(pte_mkdirty(entry));","\tpage_table = pte_offset_map_lock(mm, pmd, address, &ptl);\n\tif (!pte_none(*page_table))\n\t\tgoto release;","\tinc_mm_counter_fast(mm, MM_ANONPAGES);\n\tpage_add_new_anon_rmap(page, vma, address);\nsetpte:\n\tset_pte_at(mm, address, page_table, entry);","\t/* No need to invalidate - it was non-present before */\n\tupdate_mmu_cache(vma, address, page_table);\nunlock:\n\tpte_unmap_unlock(page_table, ptl);\n\treturn 0;\nrelease:\n\tmem_cgroup_uncharge_page(page);\n\tpage_cache_release(page);\n\tgoto unlock;\noom_free_page:\n\tpage_cache_release(page);\noom:\n\treturn VM_FAULT_OOM;\n}","/*\n * __do_fault() tries to create a new page mapping. It aggressively\n * tries to share with existing pages, but makes a separate copy if\n * the FAULT_FLAG_WRITE is set in the flags parameter in order to avoid\n * the next page fault.\n *\n * As this is called only for pages that do not currently exist, we\n * do not need to flush old virtual caches or the TLB.\n *\n * We enter with non-exclusive mmap_sem (to exclude vma changes,\n * but allow concurrent faults), and pte neither mapped nor locked.\n * We return with mmap_sem still held, but pte unmapped and unlocked.\n */\nstatic int __do_fault(struct mm_struct *mm, struct vm_area_struct *vma,\n\t\tunsigned long address, pmd_t *pmd,\n\t\tpgoff_t pgoff, unsigned int flags, pte_t orig_pte)\n{\n\tpte_t *page_table;\n\tspinlock_t *ptl;\n\tstruct page *page;\n\tstruct page *cow_page;\n\tpte_t entry;\n\tint anon = 0;\n\tstruct page *dirty_page = NULL;\n\tstruct vm_fault vmf;\n\tint ret;\n\tint page_mkwrite = 0;","\t/*\n\t * If we do COW later, allocate page befor taking lock_page()\n\t * on the file cache page. This will reduce lock holding time.\n\t */\n\tif ((flags & FAULT_FLAG_WRITE) && !(vma->vm_flags & VM_SHARED)) {","\t\tif (unlikely(anon_vma_prepare(vma)))\n\t\t\treturn VM_FAULT_OOM;","\t\tcow_page = alloc_page_vma(GFP_HIGHUSER_MOVABLE, vma, address);\n\t\tif (!cow_page)\n\t\t\treturn VM_FAULT_OOM;","\t\tif (mem_cgroup_newpage_charge(cow_page, mm, GFP_KERNEL)) {\n\t\t\tpage_cache_release(cow_page);\n\t\t\treturn VM_FAULT_OOM;\n\t\t}\n\t} else\n\t\tcow_page = NULL;","\tvmf.virtual_address = (void __user *)(address & PAGE_MASK);\n\tvmf.pgoff = pgoff;\n\tvmf.flags = flags;\n\tvmf.page = NULL;","\tret = vma->vm_ops->fault(vma, &vmf);\n\tif (unlikely(ret & (VM_FAULT_ERROR | VM_FAULT_NOPAGE |\n\t\t\t VM_FAULT_RETRY)))\n\t\tgoto uncharge_out;","\tif (unlikely(PageHWPoison(vmf.page))) {\n\t\tif (ret & VM_FAULT_LOCKED)\n\t\t\tunlock_page(vmf.page);\n\t\tret = VM_FAULT_HWPOISON;\n\t\tgoto uncharge_out;\n\t}","\t/*\n\t * For consistency in subsequent calls, make the faulted page always\n\t * locked.\n\t */\n\tif (unlikely(!(ret & VM_FAULT_LOCKED)))\n\t\tlock_page(vmf.page);\n\telse\n\t\tVM_BUG_ON(!PageLocked(vmf.page));","\t/*\n\t * Should we do an early C-O-W break?\n\t */\n\tpage = vmf.page;\n\tif (flags & FAULT_FLAG_WRITE) {\n\t\tif (!(vma->vm_flags & VM_SHARED)) {\n\t\t\tpage = cow_page;\n\t\t\tanon = 1;\n\t\t\tcopy_user_highpage(page, vmf.page, address, vma);\n\t\t\t__SetPageUptodate(page);\n\t\t} else {\n\t\t\t/*\n\t\t\t * If the page will be shareable, see if the backing\n\t\t\t * address space wants to know that the page is about\n\t\t\t * to become writable\n\t\t\t */\n\t\t\tif (vma->vm_ops->page_mkwrite) {\n\t\t\t\tint tmp;","\t\t\t\tunlock_page(page);\n\t\t\t\tvmf.flags = FAULT_FLAG_WRITE|FAULT_FLAG_MKWRITE;\n\t\t\t\ttmp = vma->vm_ops->page_mkwrite(vma, &vmf);\n\t\t\t\tif (unlikely(tmp &\n\t\t\t\t\t (VM_FAULT_ERROR | VM_FAULT_NOPAGE))) {\n\t\t\t\t\tret = tmp;\n\t\t\t\t\tgoto unwritable_page;\n\t\t\t\t}\n\t\t\t\tif (unlikely(!(tmp & VM_FAULT_LOCKED))) {\n\t\t\t\t\tlock_page(page);\n\t\t\t\t\tif (!page->mapping) {\n\t\t\t\t\t\tret = 0; /* retry the fault */\n\t\t\t\t\t\tunlock_page(page);\n\t\t\t\t\t\tgoto unwritable_page;\n\t\t\t\t\t}\n\t\t\t\t} else\n\t\t\t\t\tVM_BUG_ON(!PageLocked(page));\n\t\t\t\tpage_mkwrite = 1;\n\t\t\t}\n\t\t}","\t}","\tpage_table = pte_offset_map_lock(mm, pmd, address, &ptl);","\t/*\n\t * This silly early PAGE_DIRTY setting removes a race\n\t * due to the bad i386 page protection. But it's valid\n\t * for other architectures too.\n\t *\n\t * Note that if FAULT_FLAG_WRITE is set, we either now have\n\t * an exclusive copy of the page, or this is a shared mapping,\n\t * so we can make it writable and dirty to avoid having to\n\t * handle that later.\n\t */\n\t/* Only go through if we didn't race with anybody else... */\n\tif (likely(pte_same(*page_table, orig_pte))) {\n\t\tflush_icache_page(vma, page);\n\t\tentry = mk_pte(page, vma->vm_page_prot);\n\t\tif (flags & FAULT_FLAG_WRITE)\n\t\t\tentry = maybe_mkwrite(pte_mkdirty(entry), vma);\n\t\tif (anon) {\n\t\t\tinc_mm_counter_fast(mm, MM_ANONPAGES);\n\t\t\tpage_add_new_anon_rmap(page, vma, address);\n\t\t} else {\n\t\t\tinc_mm_counter_fast(mm, MM_FILEPAGES);\n\t\t\tpage_add_file_rmap(page);\n\t\t\tif (flags & FAULT_FLAG_WRITE) {\n\t\t\t\tdirty_page = page;\n\t\t\t\tget_page(dirty_page);\n\t\t\t}\n\t\t}\n\t\tset_pte_at(mm, address, page_table, entry);","\t\t/* no need to invalidate: a not-present page won't be cached */\n\t\tupdate_mmu_cache(vma, address, page_table);\n\t} else {\n\t\tif (cow_page)\n\t\t\tmem_cgroup_uncharge_page(cow_page);\n\t\tif (anon)\n\t\t\tpage_cache_release(page);\n\t\telse\n\t\t\tanon = 1; /* no anon but release faulted_page */\n\t}","\tpte_unmap_unlock(page_table, ptl);","\tif (dirty_page) {\n\t\tstruct address_space *mapping = page->mapping;\n\t\tint dirtied = 0;","\t\tif (set_page_dirty(dirty_page))\n\t\t\tdirtied = 1;\n\t\tunlock_page(dirty_page);\n\t\tput_page(dirty_page);\n\t\tif ((dirtied || page_mkwrite) && mapping) {\n\t\t\t/*\n\t\t\t * Some device drivers do not set page.mapping but still\n\t\t\t * dirty their pages\n\t\t\t */\n\t\t\tbalance_dirty_pages_ratelimited(mapping);\n\t\t}","\t\t/* file_update_time outside page_lock */\n\t\tif (vma->vm_file && !page_mkwrite)\n\t\t\tfile_update_time(vma->vm_file);\n\t} else {\n\t\tunlock_page(vmf.page);\n\t\tif (anon)\n\t\t\tpage_cache_release(vmf.page);\n\t}","\treturn ret;","unwritable_page:\n\tpage_cache_release(page);\n\treturn ret;\nuncharge_out:\n\t/* fs's fault handler get error */\n\tif (cow_page) {\n\t\tmem_cgroup_uncharge_page(cow_page);\n\t\tpage_cache_release(cow_page);\n\t}\n\treturn ret;\n}","static int do_linear_fault(struct mm_struct *mm, struct vm_area_struct *vma,\n\t\tunsigned long address, pte_t *page_table, pmd_t *pmd,\n\t\tunsigned int flags, pte_t orig_pte)\n{\n\tpgoff_t pgoff = (((address & PAGE_MASK)\n\t\t\t- vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff;","\tpte_unmap(page_table);\n\treturn __do_fault(mm, vma, address, pmd, pgoff, flags, orig_pte);\n}","/*\n * Fault of a previously existing named mapping. Repopulate the pte\n * from the encoded file_pte if possible. This enables swappable\n * nonlinear vmas.\n *\n * We enter with non-exclusive mmap_sem (to exclude vma changes,\n * but allow concurrent faults), and pte mapped but not yet locked.\n * We return with mmap_sem still held, but pte unmapped and unlocked.\n */\nstatic int do_nonlinear_fault(struct mm_struct *mm, struct vm_area_struct *vma,\n\t\tunsigned long address, pte_t *page_table, pmd_t *pmd,\n\t\tunsigned int flags, pte_t orig_pte)\n{\n\tpgoff_t pgoff;","\tflags |= FAULT_FLAG_NONLINEAR;","\tif (!pte_unmap_same(mm, pmd, page_table, orig_pte))\n\t\treturn 0;","\tif (unlikely(!(vma->vm_flags & VM_NONLINEAR))) {\n\t\t/*\n\t\t * Page table corrupted: show pte and kill process.\n\t\t */\n\t\tprint_bad_pte(vma, address, orig_pte, NULL);\n\t\treturn VM_FAULT_SIGBUS;\n\t}","\tpgoff = pte_to_pgoff(orig_pte);\n\treturn __do_fault(mm, vma, address, pmd, pgoff, flags, orig_pte);\n}","int numa_migrate_prep(struct page *page, struct vm_area_struct *vma,\n\t\t\t\tunsigned long addr, int current_nid)\n{\n\tget_page(page);","\tcount_vm_numa_event(NUMA_HINT_FAULTS);\n\tif (current_nid == numa_node_id())\n\t\tcount_vm_numa_event(NUMA_HINT_FAULTS_LOCAL);","\treturn mpol_misplaced(page, vma, addr);\n}","int do_numa_page(struct mm_struct *mm, struct vm_area_struct *vma,\n\t\t unsigned long addr, pte_t pte, pte_t *ptep, pmd_t *pmd)\n{\n\tstruct page *page = NULL;\n\tspinlock_t *ptl;\n\tint current_nid = -1;\n\tint target_nid;\n\tbool migrated = false;","\t/*\n\t* The \"pte\" at this point cannot be used safely without\n\t* validation through pte_unmap_same(). It's of NUMA type but\n\t* the pfn may be screwed if the read is non atomic.\n\t*\n\t* ptep_modify_prot_start is not called as this is clearing\n\t* the _PAGE_NUMA bit and it is not really expected that there\n\t* would be concurrent hardware modifications to the PTE.\n\t*/\n\tptl = pte_lockptr(mm, pmd);\n\tspin_lock(ptl);\n\tif (unlikely(!pte_same(*ptep, pte))) {\n\t\tpte_unmap_unlock(ptep, ptl);\n\t\tgoto out;\n\t}","\tpte = pte_mknonnuma(pte);\n\tset_pte_at(mm, addr, ptep, pte);\n\tupdate_mmu_cache(vma, addr, ptep);","\tpage = vm_normal_page(vma, addr, pte);\n\tif (!page) {\n\t\tpte_unmap_unlock(ptep, ptl);\n\t\treturn 0;\n\t}","\tcurrent_nid = page_to_nid(page);\n\ttarget_nid = numa_migrate_prep(page, vma, addr, current_nid);\n\tpte_unmap_unlock(ptep, ptl);\n\tif (target_nid == -1) {\n\t\t/*\n\t\t * Account for the fault against the current node if it not\n\t\t * being replaced regardless of where the page is located.\n\t\t */\n\t\tcurrent_nid = numa_node_id();\n\t\tput_page(page);\n\t\tgoto out;\n\t}","\t/* Migrate to the requested node */\n\tmigrated = migrate_misplaced_page(page, target_nid);\n\tif (migrated)\n\t\tcurrent_nid = target_nid;","out:\n\tif (current_nid != -1)\n\t\ttask_numa_fault(current_nid, 1, migrated);\n\treturn 0;\n}","/* NUMA hinting page fault entry point for regular pmds */\n#ifdef CONFIG_NUMA_BALANCING\nstatic int do_pmd_numa_page(struct mm_struct *mm, struct vm_area_struct *vma,\n\t\t unsigned long addr, pmd_t *pmdp)\n{\n\tpmd_t pmd;\n\tpte_t *pte, *orig_pte;\n\tunsigned long _addr = addr & PMD_MASK;\n\tunsigned long offset;\n\tspinlock_t *ptl;\n\tbool numa = false;\n\tint local_nid = numa_node_id();","\tspin_lock(&mm->page_table_lock);\n\tpmd = *pmdp;\n\tif (pmd_numa(pmd)) {\n\t\tset_pmd_at(mm, _addr, pmdp, pmd_mknonnuma(pmd));\n\t\tnuma = true;\n\t}\n\tspin_unlock(&mm->page_table_lock);","\tif (!numa)\n\t\treturn 0;","\t/* we're in a page fault so some vma must be in the range */\n\tBUG_ON(!vma);\n\tBUG_ON(vma->vm_start >= _addr + PMD_SIZE);\n\toffset = max(_addr, vma->vm_start) & ~PMD_MASK;\n\tVM_BUG_ON(offset >= PMD_SIZE);\n\torig_pte = pte = pte_offset_map_lock(mm, pmdp, _addr, &ptl);\n\tpte += offset >> PAGE_SHIFT;\n\tfor (addr = _addr + offset; addr < _addr + PMD_SIZE; pte++, addr += PAGE_SIZE) {\n\t\tpte_t pteval = *pte;\n\t\tstruct page *page;\n\t\tint curr_nid = local_nid;\n\t\tint target_nid;\n\t\tbool migrated;\n\t\tif (!pte_present(pteval))\n\t\t\tcontinue;\n\t\tif (!pte_numa(pteval))\n\t\t\tcontinue;\n\t\tif (addr >= vma->vm_end) {\n\t\t\tvma = find_vma(mm, addr);\n\t\t\t/* there's a pte present so there must be a vma */\n\t\t\tBUG_ON(!vma);\n\t\t\tBUG_ON(addr < vma->vm_start);\n\t\t}\n\t\tif (pte_numa(pteval)) {\n\t\t\tpteval = pte_mknonnuma(pteval);\n\t\t\tset_pte_at(mm, addr, pte, pteval);\n\t\t}\n\t\tpage = vm_normal_page(vma, addr, pteval);\n\t\tif (unlikely(!page))\n\t\t\tcontinue;\n\t\t/* only check non-shared pages */\n\t\tif (unlikely(page_mapcount(page) != 1))\n\t\t\tcontinue;","\t\t/*\n\t\t * Note that the NUMA fault is later accounted to either\n\t\t * the node that is currently running or where the page is\n\t\t * migrated to.\n\t\t */\n\t\tcurr_nid = local_nid;\n\t\ttarget_nid = numa_migrate_prep(page, vma, addr,\n\t\t\t\t\t page_to_nid(page));\n\t\tif (target_nid == -1) {\n\t\t\tput_page(page);\n\t\t\tcontinue;\n\t\t}","\t\t/* Migrate to the requested node */\n\t\tpte_unmap_unlock(pte, ptl);\n\t\tmigrated = migrate_misplaced_page(page, target_nid);\n\t\tif (migrated)\n\t\t\tcurr_nid = target_nid;\n\t\ttask_numa_fault(curr_nid, 1, migrated);","\t\tpte = pte_offset_map_lock(mm, pmdp, addr, &ptl);\n\t}\n\tpte_unmap_unlock(orig_pte, ptl);","\treturn 0;\n}\n#else\nstatic int do_pmd_numa_page(struct mm_struct *mm, struct vm_area_struct *vma,\n\t\t unsigned long addr, pmd_t *pmdp)\n{\n\tBUG();\n\treturn 0;\n}\n#endif /* CONFIG_NUMA_BALANCING */","/*\n * These routines also need to handle stuff like marking pages dirty\n * and/or accessed for architectures that don't do it in hardware (most\n * RISC architectures). The early dirtying is also good on the i386.\n *\n * There is also a hook called \"update_mmu_cache()\" that architectures\n * with external mmu caches can use to update those (ie the Sparc or\n * PowerPC hashed page tables that act as extended TLBs).\n *\n * We enter with non-exclusive mmap_sem (to exclude vma changes,\n * but allow concurrent faults), and pte mapped but not yet locked.\n * We return with mmap_sem still held, but pte unmapped and unlocked.\n */\nint handle_pte_fault(struct mm_struct *mm,\n\t\t struct vm_area_struct *vma, unsigned long address,\n\t\t pte_t *pte, pmd_t *pmd, unsigned int flags)\n{\n\tpte_t entry;\n\tspinlock_t *ptl;","\tentry = *pte;\n\tif (!pte_present(entry)) {\n\t\tif (pte_none(entry)) {\n\t\t\tif (vma->vm_ops) {\n\t\t\t\tif (likely(vma->vm_ops->fault))\n\t\t\t\t\treturn do_linear_fault(mm, vma, address,\n\t\t\t\t\t\tpte, pmd, flags, entry);\n\t\t\t}\n\t\t\treturn do_anonymous_page(mm, vma, address,\n\t\t\t\t\t\t pte, pmd, flags);\n\t\t}\n\t\tif (pte_file(entry))\n\t\t\treturn do_nonlinear_fault(mm, vma, address,\n\t\t\t\t\tpte, pmd, flags, entry);\n\t\treturn do_swap_page(mm, vma, address,\n\t\t\t\t\tpte, pmd, flags, entry);\n\t}","\tif (pte_numa(entry))\n\t\treturn do_numa_page(mm, vma, address, entry, pte, pmd);","\tptl = pte_lockptr(mm, pmd);\n\tspin_lock(ptl);\n\tif (unlikely(!pte_same(*pte, entry)))\n\t\tgoto unlock;\n\tif (flags & FAULT_FLAG_WRITE) {\n\t\tif (!pte_write(entry))\n\t\t\treturn do_wp_page(mm, vma, address,\n\t\t\t\t\tpte, pmd, ptl, entry);\n\t\tentry = pte_mkdirty(entry);\n\t}\n\tentry = pte_mkyoung(entry);\n\tif (ptep_set_access_flags(vma, address, pte, entry, flags & FAULT_FLAG_WRITE)) {\n\t\tupdate_mmu_cache(vma, address, pte);\n\t} else {\n\t\t/*\n\t\t * This is needed only for protection faults but the arch code\n\t\t * is not yet telling us if this is a protection fault or not.\n\t\t * This still avoids useless tlb flushes for .text page faults\n\t\t * with threads.\n\t\t */\n\t\tif (flags & FAULT_FLAG_WRITE)\n\t\t\tflush_tlb_fix_spurious_fault(vma, address);\n\t}\nunlock:\n\tpte_unmap_unlock(pte, ptl);\n\treturn 0;\n}","/*\n * By the time we get here, we already hold the mm semaphore\n */\nint handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma,\n\t\tunsigned long address, unsigned int flags)\n{\n\tpgd_t *pgd;\n\tpud_t *pud;\n\tpmd_t *pmd;\n\tpte_t *pte;","\t__set_current_state(TASK_RUNNING);","\tcount_vm_event(PGFAULT);\n\tmem_cgroup_count_vm_event(mm, PGFAULT);","\t/* do counter updates before entering really critical section. */\n\tcheck_sync_rss_stat(current);","\tif (unlikely(is_vm_hugetlb_page(vma)))\n\t\treturn hugetlb_fault(mm, vma, address, flags);","retry:\n\tpgd = pgd_offset(mm, address);\n\tpud = pud_alloc(mm, pgd, address);\n\tif (!pud)\n\t\treturn VM_FAULT_OOM;\n\tpmd = pmd_alloc(mm, pud, address);\n\tif (!pmd)\n\t\treturn VM_FAULT_OOM;\n\tif (pmd_none(*pmd) && transparent_hugepage_enabled(vma)) {\n\t\tif (!vma->vm_ops)\n\t\t\treturn do_huge_pmd_anonymous_page(mm, vma, address,\n\t\t\t\t\t\t\t pmd, flags);\n\t} else {\n\t\tpmd_t orig_pmd = *pmd;\n\t\tint ret;","\t\tbarrier();\n\t\tif (pmd_trans_huge(orig_pmd)) {\n\t\t\tunsigned int dirty = flags & FAULT_FLAG_WRITE;","\t\t\t/*\n\t\t\t * If the pmd is splitting, return and retry the\n\t\t\t * the fault. Alternative: wait until the split\n\t\t\t * is done, and goto retry.\n\t\t\t */\n\t\t\tif (pmd_trans_splitting(orig_pmd))\n\t\t\t\treturn 0;","\t\t\tif (pmd_numa(orig_pmd))\n\t\t\t\treturn do_huge_pmd_numa_page(mm, vma, address,\n\t\t\t\t\t\t\t orig_pmd, pmd);","\t\t\tif (dirty && !pmd_write(orig_pmd)) {\n\t\t\t\tret = do_huge_pmd_wp_page(mm, vma, address, pmd,\n\t\t\t\t\t\t\t orig_pmd);\n\t\t\t\t/*\n\t\t\t\t * If COW results in an oom, the huge pmd will\n\t\t\t\t * have been split, so retry the fault on the\n\t\t\t\t * pte for a smaller charge.\n\t\t\t\t */\n\t\t\t\tif (unlikely(ret & VM_FAULT_OOM))\n\t\t\t\t\tgoto retry;\n\t\t\t\treturn ret;\n\t\t\t} else {\n\t\t\t\thuge_pmd_set_accessed(mm, vma, address, pmd,\n\t\t\t\t\t\t orig_pmd, dirty);\n\t\t\t}","\t\t\treturn 0;\n\t\t}\n\t}","\tif (pmd_numa(*pmd))\n\t\treturn do_pmd_numa_page(mm, vma, address, pmd);","\t/*\n\t * Use __pte_alloc instead of pte_alloc_map, because we can't\n\t * run pte_offset_map on the pmd, if an huge pmd could\n\t * materialize from under us from a different thread.\n\t */\n\tif (unlikely(pmd_none(*pmd)) &&\n\t unlikely(__pte_alloc(mm, vma, pmd, address)))\n\t\treturn VM_FAULT_OOM;\n\t/* if an huge pmd materialized from under us just retry later */\n\tif (unlikely(pmd_trans_huge(*pmd)))\n\t\treturn 0;\n\t/*\n\t * A regular pmd is established and it can't morph into a huge pmd\n\t * from under us anymore at this point because we hold the mmap_sem\n\t * read mode and khugepaged takes it in write mode. So now it's\n\t * safe to run pte_offset_map().\n\t */\n\tpte = pte_offset_map(pmd, address);","\treturn handle_pte_fault(mm, vma, address, pte, pmd, flags);\n}","#ifndef __PAGETABLE_PUD_FOLDED\n/*\n * Allocate page upper directory.\n * We've already handled the fast-path in-line.\n */\nint __pud_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long address)\n{\n\tpud_t *new = pud_alloc_one(mm, address);\n\tif (!new)\n\t\treturn -ENOMEM;","\tsmp_wmb(); /* See comment in __pte_alloc */","\tspin_lock(&mm->page_table_lock);\n\tif (pgd_present(*pgd))\t\t/* Another has populated it */\n\t\tpud_free(mm, new);\n\telse\n\t\tpgd_populate(mm, pgd, new);\n\tspin_unlock(&mm->page_table_lock);\n\treturn 0;\n}\n#endif /* __PAGETABLE_PUD_FOLDED */","#ifndef __PAGETABLE_PMD_FOLDED\n/*\n * Allocate page middle directory.\n * We've already handled the fast-path in-line.\n */\nint __pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long address)\n{\n\tpmd_t *new = pmd_alloc_one(mm, address);\n\tif (!new)\n\t\treturn -ENOMEM;","\tsmp_wmb(); /* See comment in __pte_alloc */","\tspin_lock(&mm->page_table_lock);\n#ifndef __ARCH_HAS_4LEVEL_HACK\n\tif (pud_present(*pud))\t\t/* Another has populated it */\n\t\tpmd_free(mm, new);\n\telse\n\t\tpud_populate(mm, pud, new);\n#else\n\tif (pgd_present(*pud))\t\t/* Another has populated it */\n\t\tpmd_free(mm, new);\n\telse\n\t\tpgd_populate(mm, pud, new);\n#endif /* __ARCH_HAS_4LEVEL_HACK */\n\tspin_unlock(&mm->page_table_lock);\n\treturn 0;\n}\n#endif /* __PAGETABLE_PMD_FOLDED */","#if !defined(__HAVE_ARCH_GATE_AREA)","#if defined(AT_SYSINFO_EHDR)\nstatic struct vm_area_struct gate_vma;","static int __init gate_vma_init(void)\n{\n\tgate_vma.vm_mm = NULL;\n\tgate_vma.vm_start = FIXADDR_USER_START;\n\tgate_vma.vm_end = FIXADDR_USER_END;\n\tgate_vma.vm_flags = VM_READ | VM_MAYREAD | VM_EXEC | VM_MAYEXEC;\n\tgate_vma.vm_page_prot = __P101;","\treturn 0;\n}\n__initcall(gate_vma_init);\n#endif","struct vm_area_struct *get_gate_vma(struct mm_struct *mm)\n{\n#ifdef AT_SYSINFO_EHDR\n\treturn &gate_vma;\n#else\n\treturn NULL;\n#endif\n}","int in_gate_area_no_mm(unsigned long addr)\n{\n#ifdef AT_SYSINFO_EHDR\n\tif ((addr >= FIXADDR_USER_START) && (addr < FIXADDR_USER_END))\n\t\treturn 1;\n#endif\n\treturn 0;\n}","#endif\t/* __HAVE_ARCH_GATE_AREA */","static int __follow_pte(struct mm_struct *mm, unsigned long address,\n\t\tpte_t **ptepp, spinlock_t **ptlp)\n{\n\tpgd_t *pgd;\n\tpud_t *pud;\n\tpmd_t *pmd;\n\tpte_t *ptep;","\tpgd = pgd_offset(mm, address);\n\tif (pgd_none(*pgd) || unlikely(pgd_bad(*pgd)))\n\t\tgoto out;","\tpud = pud_offset(pgd, address);\n\tif (pud_none(*pud) || unlikely(pud_bad(*pud)))\n\t\tgoto out;","\tpmd = pmd_offset(pud, address);\n\tVM_BUG_ON(pmd_trans_huge(*pmd));\n\tif (pmd_none(*pmd) || unlikely(pmd_bad(*pmd)))\n\t\tgoto out;","\t/* We cannot handle huge page PFN maps. Luckily they don't exist. */\n\tif (pmd_huge(*pmd))\n\t\tgoto out;","\tptep = pte_offset_map_lock(mm, pmd, address, ptlp);\n\tif (!ptep)\n\t\tgoto out;\n\tif (!pte_present(*ptep))\n\t\tgoto unlock;\n\t*ptepp = ptep;\n\treturn 0;\nunlock:\n\tpte_unmap_unlock(ptep, *ptlp);\nout:\n\treturn -EINVAL;\n}","static inline int follow_pte(struct mm_struct *mm, unsigned long address,\n\t\t\t pte_t **ptepp, spinlock_t **ptlp)\n{\n\tint res;","\t/* (void) is needed to make gcc happy */\n\t(void) __cond_lock(*ptlp,\n\t\t\t !(res = __follow_pte(mm, address, ptepp, ptlp)));\n\treturn res;\n}","/**\n * follow_pfn - look up PFN at a user virtual address\n * @vma: memory mapping\n * @address: user virtual address\n * @pfn: location to store found PFN\n *\n * Only IO mappings and raw PFN mappings are allowed.\n *\n * Returns zero and the pfn at @pfn on success, -ve otherwise.\n */\nint follow_pfn(struct vm_area_struct *vma, unsigned long address,\n\tunsigned long *pfn)\n{\n\tint ret = -EINVAL;\n\tspinlock_t *ptl;\n\tpte_t *ptep;","\tif (!(vma->vm_flags & (VM_IO | VM_PFNMAP)))\n\t\treturn ret;","\tret = follow_pte(vma->vm_mm, address, &ptep, &ptl);\n\tif (ret)\n\t\treturn ret;\n\t*pfn = pte_pfn(*ptep);\n\tpte_unmap_unlock(ptep, ptl);\n\treturn 0;\n}\nEXPORT_SYMBOL(follow_pfn);","#ifdef CONFIG_HAVE_IOREMAP_PROT\nint follow_phys(struct vm_area_struct *vma,\n\t\tunsigned long address, unsigned int flags,\n\t\tunsigned long *prot, resource_size_t *phys)\n{\n\tint ret = -EINVAL;\n\tpte_t *ptep, pte;\n\tspinlock_t *ptl;","\tif (!(vma->vm_flags & (VM_IO | VM_PFNMAP)))\n\t\tgoto out;","\tif (follow_pte(vma->vm_mm, address, &ptep, &ptl))\n\t\tgoto out;\n\tpte = *ptep;","\tif ((flags & FOLL_WRITE) && !pte_write(pte))\n\t\tgoto unlock;","\t*prot = pgprot_val(pte_pgprot(pte));\n\t*phys = (resource_size_t)pte_pfn(pte) << PAGE_SHIFT;","\tret = 0;\nunlock:\n\tpte_unmap_unlock(ptep, ptl);\nout:\n\treturn ret;\n}","int generic_access_phys(struct vm_area_struct *vma, unsigned long addr,\n\t\t\tvoid *buf, int len, int write)\n{\n\tresource_size_t phys_addr;\n\tunsigned long prot = 0;\n\tvoid __iomem *maddr;\n\tint offset = addr & (PAGE_SIZE-1);","\tif (follow_phys(vma, addr, write, &prot, &phys_addr))\n\t\treturn -EINVAL;","\tmaddr = ioremap_prot(phys_addr, PAGE_SIZE, prot);\n\tif (write)\n\t\tmemcpy_toio(maddr + offset, buf, len);\n\telse\n\t\tmemcpy_fromio(buf, maddr + offset, len);\n\tiounmap(maddr);","\treturn len;\n}\n#endif","/*\n * Access another process' address space as given in mm. If non-NULL, use the\n * given task for page fault accounting.\n */\nstatic int __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm,\n\t\tunsigned long addr, void *buf, int len, int write)\n{\n\tstruct vm_area_struct *vma;\n\tvoid *old_buf = buf;","\tdown_read(&mm->mmap_sem);\n\t/* ignore errors, just check how much was successfully transferred */\n\twhile (len) {\n\t\tint bytes, ret, offset;\n\t\tvoid *maddr;\n\t\tstruct page *page = NULL;","\t\tret = get_user_pages(tsk, mm, addr, 1,\n\t\t\t\twrite, 1, &page, &vma);\n\t\tif (ret <= 0) {\n\t\t\t/*\n\t\t\t * Check if this is a VM_IO | VM_PFNMAP VMA, which\n\t\t\t * we can access using slightly different code.\n\t\t\t */\n#ifdef CONFIG_HAVE_IOREMAP_PROT\n\t\t\tvma = find_vma(mm, addr);\n\t\t\tif (!vma || vma->vm_start > addr)\n\t\t\t\tbreak;\n\t\t\tif (vma->vm_ops && vma->vm_ops->access)\n\t\t\t\tret = vma->vm_ops->access(vma, addr, buf,\n\t\t\t\t\t\t\t len, write);\n\t\t\tif (ret <= 0)\n#endif\n\t\t\t\tbreak;\n\t\t\tbytes = ret;\n\t\t} else {\n\t\t\tbytes = len;\n\t\t\toffset = addr & (PAGE_SIZE-1);\n\t\t\tif (bytes > PAGE_SIZE-offset)\n\t\t\t\tbytes = PAGE_SIZE-offset;","\t\t\tmaddr = kmap(page);\n\t\t\tif (write) {\n\t\t\t\tcopy_to_user_page(vma, page, addr,\n\t\t\t\t\t\t maddr + offset, buf, bytes);\n\t\t\t\tset_page_dirty_lock(page);\n\t\t\t} else {\n\t\t\t\tcopy_from_user_page(vma, page, addr,\n\t\t\t\t\t\t buf, maddr + offset, bytes);\n\t\t\t}\n\t\t\tkunmap(page);\n\t\t\tpage_cache_release(page);\n\t\t}\n\t\tlen -= bytes;\n\t\tbuf += bytes;\n\t\taddr += bytes;\n\t}\n\tup_read(&mm->mmap_sem);","\treturn buf - old_buf;\n}","/**\n * access_remote_vm - access another process' address space\n * @mm:\t\tthe mm_struct of the target address space\n * @addr:\tstart address to access\n * @buf:\tsource or destination buffer\n * @len:\tnumber of bytes to transfer\n * @write:\twhether the access is a write\n *\n * The caller must hold a reference on @mm.\n */\nint access_remote_vm(struct mm_struct *mm, unsigned long addr,\n\t\tvoid *buf, int len, int write)\n{\n\treturn __access_remote_vm(NULL, mm, addr, buf, len, write);\n}","/*\n * Access another process' address space.\n * Source/target buffer must be kernel space,\n * Do not walk the page table directly, use get_user_pages\n */\nint access_process_vm(struct task_struct *tsk, unsigned long addr,\n\t\tvoid *buf, int len, int write)\n{\n\tstruct mm_struct *mm;\n\tint ret;","\tmm = get_task_mm(tsk);\n\tif (!mm)\n\t\treturn 0;","\tret = __access_remote_vm(tsk, mm, addr, buf, len, write);\n\tmmput(mm);","\treturn ret;\n}","/*\n * Print the name of a VMA.\n */\nvoid print_vma_addr(char *prefix, unsigned long ip)\n{\n\tstruct mm_struct *mm = current->mm;\n\tstruct vm_area_struct *vma;","\t/*\n\t * Do not print if we are in atomic\n\t * contexts (in exception stacks, etc.):\n\t */\n\tif (preempt_count())\n\t\treturn;","\tdown_read(&mm->mmap_sem);\n\tvma = find_vma(mm, ip);\n\tif (vma && vma->vm_file) {\n\t\tstruct file *f = vma->vm_file;\n\t\tchar *buf = (char *)__get_free_page(GFP_KERNEL);\n\t\tif (buf) {\n\t\t\tchar *p;","\t\t\tp = d_path(&f->f_path, buf, PAGE_SIZE);\n\t\t\tif (IS_ERR(p))\n\t\t\t\tp = \"?\";\n\t\t\tprintk(\"%s%s[%lx+%lx]\", prefix, kbasename(p),\n\t\t\t\t\tvma->vm_start,\n\t\t\t\t\tvma->vm_end - vma->vm_start);\n\t\t\tfree_page((unsigned long)buf);\n\t\t}\n\t}\n\tup_read(&mm->mmap_sem);\n}","#ifdef CONFIG_PROVE_LOCKING\nvoid might_fault(void)\n{\n\t/*\n\t * Some code (nfs/sunrpc) uses socket ops on kernel memory while\n\t * holding the mmap_sem, this is safe because kernel memory doesn't\n\t * get paged out, therefore we'll never actually fault, and the\n\t * below annotations will generate false positives.\n\t */\n\tif (segment_eq(get_fs(), KERNEL_DS))\n\t\treturn;","\tmight_sleep();\n\t/*\n\t * it would be nicer only to annotate paths which are not under\n\t * pagefault_disable, however that requires a larger audit and\n\t * providing helpers like get_user_atomic.\n\t */\n\tif (!in_atomic() && current->mm)\n\t\tmight_lock_read(¤t->mm->mmap_sem);\n}\nEXPORT_SYMBOL(might_fault);\n#endif","#if defined(CONFIG_TRANSPARENT_HUGEPAGE) || defined(CONFIG_HUGETLBFS)\nstatic void clear_gigantic_page(struct page *page,\n\t\t\t\tunsigned long addr,\n\t\t\t\tunsigned int pages_per_huge_page)\n{\n\tint i;\n\tstruct page *p = page;","\tmight_sleep();\n\tfor (i = 0; i < pages_per_huge_page;\n\t i++, p = mem_map_next(p, page, i)) {\n\t\tcond_resched();\n\t\tclear_user_highpage(p, addr + i * PAGE_SIZE);\n\t}\n}\nvoid clear_huge_page(struct page *page,\n\t\t unsigned long addr, unsigned int pages_per_huge_page)\n{\n\tint i;","\tif (unlikely(pages_per_huge_page > MAX_ORDER_NR_PAGES)) {\n\t\tclear_gigantic_page(page, addr, pages_per_huge_page);\n\t\treturn;\n\t}","\tmight_sleep();\n\tfor (i = 0; i < pages_per_huge_page; i++) {\n\t\tcond_resched();\n\t\tclear_user_highpage(page + i, addr + i * PAGE_SIZE);\n\t}\n}","static void copy_user_gigantic_page(struct page *dst, struct page *src,\n\t\t\t\t unsigned long addr,\n\t\t\t\t struct vm_area_struct *vma,\n\t\t\t\t unsigned int pages_per_huge_page)\n{\n\tint i;\n\tstruct page *dst_base = dst;\n\tstruct page *src_base = src;","\tfor (i = 0; i < pages_per_huge_page; ) {\n\t\tcond_resched();\n\t\tcopy_user_highpage(dst, src, addr + i*PAGE_SIZE, vma);","\t\ti++;\n\t\tdst = mem_map_next(dst, dst_base, i);\n\t\tsrc = mem_map_next(src, src_base, i);\n\t}\n}","void copy_user_huge_page(struct page *dst, struct page *src,\n\t\t\t unsigned long addr, struct vm_area_struct *vma,\n\t\t\t unsigned int pages_per_huge_page)\n{\n\tint i;","\tif (unlikely(pages_per_huge_page > MAX_ORDER_NR_PAGES)) {\n\t\tcopy_user_gigantic_page(dst, src, addr, vma,\n\t\t\t\t\tpages_per_huge_page);\n\t\treturn;\n\t}","\tmight_sleep();\n\tfor (i = 0; i < pages_per_huge_page; i++) {\n\t\tcond_resched();\n\t\tcopy_user_highpage(dst + i, src + i, addr + i*PAGE_SIZE, vma);\n\t}\n}\n#endif /* CONFIG_TRANSPARENT_HUGEPAGE || CONFIG_HUGETLBFS */"],"string":"[\n \"/*\\n * linux/mm/memory.c\\n *\\n * Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds\\n */\",\n \"/*\\n * demand-loading started 01.12.91 - seems it is high on the list of\\n * things wanted, and it should be easy to implement. - Linus\\n */\",\n \"/*\\n * Ok, demand-loading was easy, shared pages a little bit tricker. Shared\\n * pages started 02.12.91, seems to work. - Linus.\\n *\\n * Tested sharing by executing about 30 /bin/sh: under the old kernel it\\n * would have taken more than the 6M I have free, but it worked well as\\n * far as I could see.\\n *\\n * Also corrected some \\\"invalidate()\\\"s - I wasn't doing enough of them.\\n */\",\n \"/*\\n * Real VM (paging to/from disk) started 18.12.91. Much more work and\\n * thought has to go into this. Oh, well..\\n * 19.12.91 - works, somewhat. Sometimes I get faults, don't know why.\\n *\\t\\tFound it. Everything seems to work now.\\n * 20.12.91 - Ok, making the swap-device changeable like the root.\\n */\",\n \"/*\\n * 05.04.94 - Multi-page memory management added for v1.1.\\n * \\t\\tIdea by Alex Bligh (alex@cconcepts.co.uk)\\n *\\n * 16.07.99 - Support of BIGMEM added by Gerhard Wichert, Siemens AG\\n *\\t\\t(Gerhard.Wichert@pdb.siemens.de)\\n *\\n * Aug/Sep 2004 Changed to four level page tables (Andi Kleen)\\n */\",\n \"#include <linux/kernel_stat.h>\\n#include <linux/mm.h>\\n#include <linux/hugetlb.h>\\n#include <linux/mman.h>\\n#include <linux/swap.h>\\n#include <linux/highmem.h>\\n#include <linux/pagemap.h>\\n#include <linux/ksm.h>\\n#include <linux/rmap.h>\\n#include <linux/export.h>\\n#include <linux/delayacct.h>\\n#include <linux/init.h>\\n#include <linux/writeback.h>\\n#include <linux/memcontrol.h>\\n#include <linux/mmu_notifier.h>\\n#include <linux/kallsyms.h>\\n#include <linux/swapops.h>\\n#include <linux/elf.h>\\n#include <linux/gfp.h>\\n#include <linux/migrate.h>\\n#include <linux/string.h>\",\n \"#include <asm/io.h>\\n#include <asm/pgalloc.h>\\n#include <asm/uaccess.h>\\n#include <asm/tlb.h>\\n#include <asm/tlbflush.h>\\n#include <asm/pgtable.h>\",\n \"#include \\\"internal.h\\\"\",\n \"#ifdef LAST_NID_NOT_IN_PAGE_FLAGS\\n#warning Unfortunate NUMA and NUMA Balancing config, growing page-frame for last_nid.\\n#endif\",\n \"#ifndef CONFIG_NEED_MULTIPLE_NODES\\n/* use the per-pgdat data instead for discontigmem - mbligh */\\nunsigned long max_mapnr;\\nstruct page *mem_map;\",\n \"EXPORT_SYMBOL(max_mapnr);\\nEXPORT_SYMBOL(mem_map);\\n#endif\",\n \"unsigned long num_physpages;\\n/*\\n * A number of key systems in x86 including ioremap() rely on the assumption\\n * that high_memory defines the upper bound on direct map memory, then end\\n * of ZONE_NORMAL. Under CONFIG_DISCONTIG this means that max_low_pfn and\\n * highstart_pfn must be the same; there must be no gap between ZONE_NORMAL\\n * and ZONE_HIGHMEM.\\n */\\nvoid * high_memory;\",\n \"EXPORT_SYMBOL(num_physpages);\\nEXPORT_SYMBOL(high_memory);\",\n \"/*\\n * Randomize the address space (stacks, mmaps, brk, etc.).\\n *\\n * ( When CONFIG_COMPAT_BRK=y we exclude brk from randomization,\\n * as ancient (libc5 based) binaries can segfault. )\\n */\\nint randomize_va_space __read_mostly =\\n#ifdef CONFIG_COMPAT_BRK\\n\\t\\t\\t\\t\\t1;\\n#else\\n\\t\\t\\t\\t\\t2;\\n#endif\",\n \"static int __init disable_randmaps(char *s)\\n{\\n\\trandomize_va_space = 0;\\n\\treturn 1;\\n}\\n__setup(\\\"norandmaps\\\", disable_randmaps);\",\n \"unsigned long zero_pfn __read_mostly;\\nunsigned long highest_memmap_pfn __read_mostly;\",\n \"/*\\n * CONFIG_MMU architectures set up ZERO_PAGE in their paging_init()\\n */\\nstatic int __init init_zero_pfn(void)\\n{\\n\\tzero_pfn = page_to_pfn(ZERO_PAGE(0));\\n\\treturn 0;\\n}\\ncore_initcall(init_zero_pfn);\",\n \"\\n#if defined(SPLIT_RSS_COUNTING)\",\n \"void sync_mm_rss(struct mm_struct *mm)\\n{\\n\\tint i;\",\n \"\\tfor (i = 0; i < NR_MM_COUNTERS; i++) {\\n\\t\\tif (current->rss_stat.count[i]) {\\n\\t\\t\\tadd_mm_counter(mm, i, current->rss_stat.count[i]);\\n\\t\\t\\tcurrent->rss_stat.count[i] = 0;\\n\\t\\t}\\n\\t}\\n\\tcurrent->rss_stat.events = 0;\\n}\",\n \"static void add_mm_counter_fast(struct mm_struct *mm, int member, int val)\\n{\\n\\tstruct task_struct *task = current;\",\n \"\\tif (likely(task->mm == mm))\\n\\t\\ttask->rss_stat.count[member] += val;\\n\\telse\\n\\t\\tadd_mm_counter(mm, member, val);\\n}\\n#define inc_mm_counter_fast(mm, member) add_mm_counter_fast(mm, member, 1)\\n#define dec_mm_counter_fast(mm, member) add_mm_counter_fast(mm, member, -1)\",\n \"/* sync counter once per 64 page faults */\\n#define TASK_RSS_EVENTS_THRESH\\t(64)\\nstatic void check_sync_rss_stat(struct task_struct *task)\\n{\\n\\tif (unlikely(task != current))\\n\\t\\treturn;\\n\\tif (unlikely(task->rss_stat.events++ > TASK_RSS_EVENTS_THRESH))\\n\\t\\tsync_mm_rss(task->mm);\\n}\\n#else /* SPLIT_RSS_COUNTING */\",\n \"#define inc_mm_counter_fast(mm, member) inc_mm_counter(mm, member)\\n#define dec_mm_counter_fast(mm, member) dec_mm_counter(mm, member)\",\n \"static void check_sync_rss_stat(struct task_struct *task)\\n{\\n}\",\n \"#endif /* SPLIT_RSS_COUNTING */\",\n \"#ifdef HAVE_GENERIC_MMU_GATHER\",\n \"static int tlb_next_batch(struct mmu_gather *tlb)\\n{\\n\\tstruct mmu_gather_batch *batch;\",\n \"\\tbatch = tlb->active;\\n\\tif (batch->next) {\\n\\t\\ttlb->active = batch->next;\\n\\t\\treturn 1;\\n\\t}\",\n \"\\tif (tlb->batch_count == MAX_GATHER_BATCH_COUNT)\\n\\t\\treturn 0;\",\n \"\\tbatch = (void *)__get_free_pages(GFP_NOWAIT | __GFP_NOWARN, 0);\\n\\tif (!batch)\\n\\t\\treturn 0;\",\n \"\\ttlb->batch_count++;\\n\\tbatch->next = NULL;\\n\\tbatch->nr = 0;\\n\\tbatch->max = MAX_GATHER_BATCH;\",\n \"\\ttlb->active->next = batch;\\n\\ttlb->active = batch;\",\n \"\\treturn 1;\\n}\",\n \"/* tlb_gather_mmu\\n *\\tCalled to initialize an (on-stack) mmu_gather structure for page-table\\n *\\ttear-down from @mm. The @fullmm argument is used when @mm is without\\n *\\tusers and we're going to destroy the full address space (exit/execve).\\n */\\nvoid tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, bool fullmm)\\n{\\n\\ttlb->mm = mm;\",\n \"\\ttlb->fullmm = fullmm;\\n\\ttlb->need_flush_all = 0;\\n\\ttlb->start\\t= -1UL;\\n\\ttlb->end\\t= 0;\\n\\ttlb->need_flush = 0;\\n\\ttlb->fast_mode = (num_possible_cpus() == 1);\\n\\ttlb->local.next = NULL;\\n\\ttlb->local.nr = 0;\\n\\ttlb->local.max = ARRAY_SIZE(tlb->__pages);\\n\\ttlb->active = &tlb->local;\\n\\ttlb->batch_count = 0;\",\n \"#ifdef CONFIG_HAVE_RCU_TABLE_FREE\\n\\ttlb->batch = NULL;\\n#endif\\n}\",\n \"void tlb_flush_mmu(struct mmu_gather *tlb)\\n{\\n\\tstruct mmu_gather_batch *batch;\",\n \"\\tif (!tlb->need_flush)\\n\\t\\treturn;\\n\\ttlb->need_flush = 0;\\n\\ttlb_flush(tlb);\\n#ifdef CONFIG_HAVE_RCU_TABLE_FREE\\n\\ttlb_table_flush(tlb);\\n#endif\",\n \"\\tif (tlb_fast_mode(tlb))\\n\\t\\treturn;\",\n \"\\tfor (batch = &tlb->local; batch; batch = batch->next) {\\n\\t\\tfree_pages_and_swap_cache(batch->pages, batch->nr);\\n\\t\\tbatch->nr = 0;\\n\\t}\\n\\ttlb->active = &tlb->local;\\n}\",\n \"/* tlb_finish_mmu\\n *\\tCalled at the end of the shootdown operation to free up any resources\\n *\\tthat were required.\\n */\\nvoid tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end)\\n{\\n\\tstruct mmu_gather_batch *batch, *next;\",\n \"\\ttlb->start = start;\\n\\ttlb->end = end;\\n\\ttlb_flush_mmu(tlb);\",\n \"\\t/* keep the page table cache within bounds */\\n\\tcheck_pgt_cache();\",\n \"\\tfor (batch = tlb->local.next; batch; batch = next) {\\n\\t\\tnext = batch->next;\\n\\t\\tfree_pages((unsigned long)batch, 0);\\n\\t}\\n\\ttlb->local.next = NULL;\\n}\",\n \"/* __tlb_remove_page\\n *\\tMust perform the equivalent to __free_pte(pte_get_and_clear(ptep)), while\\n *\\thandling the additional races in SMP caused by other CPUs caching valid\\n *\\tmappings in their TLBs. Returns the number of free page slots left.\\n *\\tWhen out of page slots we must call tlb_flush_mmu().\\n */\\nint __tlb_remove_page(struct mmu_gather *tlb, struct page *page)\\n{\\n\\tstruct mmu_gather_batch *batch;\",\n \"\\tVM_BUG_ON(!tlb->need_flush);\",\n \"\\tif (tlb_fast_mode(tlb)) {\\n\\t\\tfree_page_and_swap_cache(page);\\n\\t\\treturn 1; /* avoid calling tlb_flush_mmu() */\\n\\t}\",\n \"\\tbatch = tlb->active;\\n\\tbatch->pages[batch->nr++] = page;\\n\\tif (batch->nr == batch->max) {\\n\\t\\tif (!tlb_next_batch(tlb))\\n\\t\\t\\treturn 0;\\n\\t\\tbatch = tlb->active;\\n\\t}\\n\\tVM_BUG_ON(batch->nr > batch->max);\",\n \"\\treturn batch->max - batch->nr;\\n}\",\n \"#endif /* HAVE_GENERIC_MMU_GATHER */\",\n \"#ifdef CONFIG_HAVE_RCU_TABLE_FREE\",\n \"/*\\n * See the comment near struct mmu_table_batch.\\n */\",\n \"static void tlb_remove_table_smp_sync(void *arg)\\n{\\n\\t/* Simply deliver the interrupt */\\n}\",\n \"static void tlb_remove_table_one(void *table)\\n{\\n\\t/*\\n\\t * This isn't an RCU grace period and hence the page-tables cannot be\\n\\t * assumed to be actually RCU-freed.\\n\\t *\\n\\t * It is however sufficient for software page-table walkers that rely on\\n\\t * IRQ disabling. See the comment near struct mmu_table_batch.\\n\\t */\\n\\tsmp_call_function(tlb_remove_table_smp_sync, NULL, 1);\\n\\t__tlb_remove_table(table);\\n}\",\n \"static void tlb_remove_table_rcu(struct rcu_head *head)\\n{\\n\\tstruct mmu_table_batch *batch;\\n\\tint i;\",\n \"\\tbatch = container_of(head, struct mmu_table_batch, rcu);\",\n \"\\tfor (i = 0; i < batch->nr; i++)\\n\\t\\t__tlb_remove_table(batch->tables[i]);\",\n \"\\tfree_page((unsigned long)batch);\\n}\",\n \"void tlb_table_flush(struct mmu_gather *tlb)\\n{\\n\\tstruct mmu_table_batch **batch = &tlb->batch;\",\n \"\\tif (*batch) {\\n\\t\\tcall_rcu_sched(&(*batch)->rcu, tlb_remove_table_rcu);\\n\\t\\t*batch = NULL;\\n\\t}\\n}\",\n \"void tlb_remove_table(struct mmu_gather *tlb, void *table)\\n{\\n\\tstruct mmu_table_batch **batch = &tlb->batch;\",\n \"\\ttlb->need_flush = 1;\",\n \"\\t/*\\n\\t * When there's less then two users of this mm there cannot be a\\n\\t * concurrent page-table walk.\\n\\t */\\n\\tif (atomic_read(&tlb->mm->mm_users) < 2) {\\n\\t\\t__tlb_remove_table(table);\\n\\t\\treturn;\\n\\t}\",\n \"\\tif (*batch == NULL) {\\n\\t\\t*batch = (struct mmu_table_batch *)__get_free_page(GFP_NOWAIT | __GFP_NOWARN);\\n\\t\\tif (*batch == NULL) {\\n\\t\\t\\ttlb_remove_table_one(table);\\n\\t\\t\\treturn;\\n\\t\\t}\\n\\t\\t(*batch)->nr = 0;\\n\\t}\\n\\t(*batch)->tables[(*batch)->nr++] = table;\\n\\tif ((*batch)->nr == MAX_TABLE_BATCH)\\n\\t\\ttlb_table_flush(tlb);\\n}\",\n \"#endif /* CONFIG_HAVE_RCU_TABLE_FREE */\",\n \"/*\\n * If a p?d_bad entry is found while walking page tables, report\\n * the error, before resetting entry to p?d_none. Usually (but\\n * very seldom) called out from the p?d_none_or_clear_bad macros.\\n */\",\n \"void pgd_clear_bad(pgd_t *pgd)\\n{\\n\\tpgd_ERROR(*pgd);\\n\\tpgd_clear(pgd);\\n}\",\n \"void pud_clear_bad(pud_t *pud)\\n{\\n\\tpud_ERROR(*pud);\\n\\tpud_clear(pud);\\n}\",\n \"void pmd_clear_bad(pmd_t *pmd)\\n{\\n\\tpmd_ERROR(*pmd);\\n\\tpmd_clear(pmd);\\n}\",\n \"/*\\n * Note: this doesn't free the actual pages themselves. That\\n * has been handled earlier when unmapping all the memory regions.\\n */\\nstatic void free_pte_range(struct mmu_gather *tlb, pmd_t *pmd,\\n\\t\\t\\t unsigned long addr)\\n{\\n\\tpgtable_t token = pmd_pgtable(*pmd);\\n\\tpmd_clear(pmd);\\n\\tpte_free_tlb(tlb, token, addr);\\n\\ttlb->mm->nr_ptes--;\\n}\",\n \"static inline void free_pmd_range(struct mmu_gather *tlb, pud_t *pud,\\n\\t\\t\\t\\tunsigned long addr, unsigned long end,\\n\\t\\t\\t\\tunsigned long floor, unsigned long ceiling)\\n{\\n\\tpmd_t *pmd;\\n\\tunsigned long next;\\n\\tunsigned long start;\",\n \"\\tstart = addr;\\n\\tpmd = pmd_offset(pud, addr);\\n\\tdo {\\n\\t\\tnext = pmd_addr_end(addr, end);\\n\\t\\tif (pmd_none_or_clear_bad(pmd))\\n\\t\\t\\tcontinue;\\n\\t\\tfree_pte_range(tlb, pmd, addr);\\n\\t} while (pmd++, addr = next, addr != end);\",\n \"\\tstart &= PUD_MASK;\\n\\tif (start < floor)\\n\\t\\treturn;\\n\\tif (ceiling) {\\n\\t\\tceiling &= PUD_MASK;\\n\\t\\tif (!ceiling)\\n\\t\\t\\treturn;\\n\\t}\\n\\tif (end - 1 > ceiling - 1)\\n\\t\\treturn;\",\n \"\\tpmd = pmd_offset(pud, start);\\n\\tpud_clear(pud);\\n\\tpmd_free_tlb(tlb, pmd, start);\\n}\",\n \"static inline void free_pud_range(struct mmu_gather *tlb, pgd_t *pgd,\\n\\t\\t\\t\\tunsigned long addr, unsigned long end,\\n\\t\\t\\t\\tunsigned long floor, unsigned long ceiling)\\n{\\n\\tpud_t *pud;\\n\\tunsigned long next;\\n\\tunsigned long start;\",\n \"\\tstart = addr;\\n\\tpud = pud_offset(pgd, addr);\\n\\tdo {\\n\\t\\tnext = pud_addr_end(addr, end);\\n\\t\\tif (pud_none_or_clear_bad(pud))\\n\\t\\t\\tcontinue;\\n\\t\\tfree_pmd_range(tlb, pud, addr, next, floor, ceiling);\\n\\t} while (pud++, addr = next, addr != end);\",\n \"\\tstart &= PGDIR_MASK;\\n\\tif (start < floor)\\n\\t\\treturn;\\n\\tif (ceiling) {\\n\\t\\tceiling &= PGDIR_MASK;\\n\\t\\tif (!ceiling)\\n\\t\\t\\treturn;\\n\\t}\\n\\tif (end - 1 > ceiling - 1)\\n\\t\\treturn;\",\n \"\\tpud = pud_offset(pgd, start);\\n\\tpgd_clear(pgd);\\n\\tpud_free_tlb(tlb, pud, start);\\n}\",\n \"/*\\n * This function frees user-level page tables of a process.\\n *\\n * Must be called with pagetable lock held.\\n */\\nvoid free_pgd_range(struct mmu_gather *tlb,\\n\\t\\t\\tunsigned long addr, unsigned long end,\\n\\t\\t\\tunsigned long floor, unsigned long ceiling)\\n{\\n\\tpgd_t *pgd;\\n\\tunsigned long next;\",\n \"\\t/*\\n\\t * The next few lines have given us lots of grief...\\n\\t *\\n\\t * Why are we testing PMD* at this top level? Because often\\n\\t * there will be no work to do at all, and we'd prefer not to\\n\\t * go all the way down to the bottom just to discover that.\\n\\t *\\n\\t * Why all these \\\"- 1\\\"s? Because 0 represents both the bottom\\n\\t * of the address space and the top of it (using -1 for the\\n\\t * top wouldn't help much: the masks would do the wrong thing).\\n\\t * The rule is that addr 0 and floor 0 refer to the bottom of\\n\\t * the address space, but end 0 and ceiling 0 refer to the top\\n\\t * Comparisons need to use \\\"end - 1\\\" and \\\"ceiling - 1\\\" (though\\n\\t * that end 0 case should be mythical).\\n\\t *\\n\\t * Wherever addr is brought up or ceiling brought down, we must\\n\\t * be careful to reject \\\"the opposite 0\\\" before it confuses the\\n\\t * subsequent tests. But what about where end is brought down\\n\\t * by PMD_SIZE below? no, end can't go down to 0 there.\\n\\t *\\n\\t * Whereas we round start (addr) and ceiling down, by different\\n\\t * masks at different levels, in order to test whether a table\\n\\t * now has no other vmas using it, so can be freed, we don't\\n\\t * bother to round floor or end up - the tests don't need that.\\n\\t */\",\n \"\\taddr &= PMD_MASK;\\n\\tif (addr < floor) {\\n\\t\\taddr += PMD_SIZE;\\n\\t\\tif (!addr)\\n\\t\\t\\treturn;\\n\\t}\\n\\tif (ceiling) {\\n\\t\\tceiling &= PMD_MASK;\\n\\t\\tif (!ceiling)\\n\\t\\t\\treturn;\\n\\t}\\n\\tif (end - 1 > ceiling - 1)\\n\\t\\tend -= PMD_SIZE;\\n\\tif (addr > end - 1)\\n\\t\\treturn;\",\n \"\\tpgd = pgd_offset(tlb->mm, addr);\\n\\tdo {\\n\\t\\tnext = pgd_addr_end(addr, end);\\n\\t\\tif (pgd_none_or_clear_bad(pgd))\\n\\t\\t\\tcontinue;\\n\\t\\tfree_pud_range(tlb, pgd, addr, next, floor, ceiling);\\n\\t} while (pgd++, addr = next, addr != end);\\n}\",\n \"void free_pgtables(struct mmu_gather *tlb, struct vm_area_struct *vma,\\n\\t\\tunsigned long floor, unsigned long ceiling)\\n{\\n\\twhile (vma) {\\n\\t\\tstruct vm_area_struct *next = vma->vm_next;\\n\\t\\tunsigned long addr = vma->vm_start;\",\n \"\\t\\t/*\\n\\t\\t * Hide vma from rmap and truncate_pagecache before freeing\\n\\t\\t * pgtables\\n\\t\\t */\\n\\t\\tunlink_anon_vmas(vma);\\n\\t\\tunlink_file_vma(vma);\",\n \"\\t\\tif (is_vm_hugetlb_page(vma)) {\\n\\t\\t\\thugetlb_free_pgd_range(tlb, addr, vma->vm_end,\\n\\t\\t\\t\\tfloor, next? next->vm_start: ceiling);\\n\\t\\t} else {\\n\\t\\t\\t/*\\n\\t\\t\\t * Optimization: gather nearby vmas into one call down\\n\\t\\t\\t */\\n\\t\\t\\twhile (next && next->vm_start <= vma->vm_end + PMD_SIZE\\n\\t\\t\\t && !is_vm_hugetlb_page(next)) {\\n\\t\\t\\t\\tvma = next;\\n\\t\\t\\t\\tnext = vma->vm_next;\\n\\t\\t\\t\\tunlink_anon_vmas(vma);\\n\\t\\t\\t\\tunlink_file_vma(vma);\\n\\t\\t\\t}\\n\\t\\t\\tfree_pgd_range(tlb, addr, vma->vm_end,\\n\\t\\t\\t\\tfloor, next? next->vm_start: ceiling);\\n\\t\\t}\\n\\t\\tvma = next;\\n\\t}\\n}\",\n \"int __pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma,\\n\\t\\tpmd_t *pmd, unsigned long address)\\n{\\n\\tpgtable_t new = pte_alloc_one(mm, address);\\n\\tint wait_split_huge_page;\\n\\tif (!new)\\n\\t\\treturn -ENOMEM;\",\n \"\\t/*\\n\\t * Ensure all pte setup (eg. pte page lock and page clearing) are\\n\\t * visible before the pte is made visible to other CPUs by being\\n\\t * put into page tables.\\n\\t *\\n\\t * The other side of the story is the pointer chasing in the page\\n\\t * table walking code (when walking the page table without locking;\\n\\t * ie. most of the time). Fortunately, these data accesses consist\\n\\t * of a chain of data-dependent loads, meaning most CPUs (alpha\\n\\t * being the notable exception) will already guarantee loads are\\n\\t * seen in-order. See the alpha page table accessors for the\\n\\t * smp_read_barrier_depends() barriers in page table walking code.\\n\\t */\\n\\tsmp_wmb(); /* Could be smp_wmb__xxx(before|after)_spin_lock */\",\n \"\\tspin_lock(&mm->page_table_lock);\\n\\twait_split_huge_page = 0;\\n\\tif (likely(pmd_none(*pmd))) {\\t/* Has another populated it ? */\\n\\t\\tmm->nr_ptes++;\\n\\t\\tpmd_populate(mm, pmd, new);\\n\\t\\tnew = NULL;\\n\\t} else if (unlikely(pmd_trans_splitting(*pmd)))\\n\\t\\twait_split_huge_page = 1;\\n\\tspin_unlock(&mm->page_table_lock);\\n\\tif (new)\\n\\t\\tpte_free(mm, new);\\n\\tif (wait_split_huge_page)\\n\\t\\twait_split_huge_page(vma->anon_vma, pmd);\\n\\treturn 0;\\n}\",\n \"int __pte_alloc_kernel(pmd_t *pmd, unsigned long address)\\n{\\n\\tpte_t *new = pte_alloc_one_kernel(&init_mm, address);\\n\\tif (!new)\\n\\t\\treturn -ENOMEM;\",\n \"\\tsmp_wmb(); /* See comment in __pte_alloc */\",\n \"\\tspin_lock(&init_mm.page_table_lock);\\n\\tif (likely(pmd_none(*pmd))) {\\t/* Has another populated it ? */\\n\\t\\tpmd_populate_kernel(&init_mm, pmd, new);\\n\\t\\tnew = NULL;\\n\\t} else\\n\\t\\tVM_BUG_ON(pmd_trans_splitting(*pmd));\\n\\tspin_unlock(&init_mm.page_table_lock);\\n\\tif (new)\\n\\t\\tpte_free_kernel(&init_mm, new);\\n\\treturn 0;\\n}\",\n \"static inline void init_rss_vec(int *rss)\\n{\\n\\tmemset(rss, 0, sizeof(int) * NR_MM_COUNTERS);\\n}\",\n \"static inline void add_mm_rss_vec(struct mm_struct *mm, int *rss)\\n{\\n\\tint i;\",\n \"\\tif (current->mm == mm)\\n\\t\\tsync_mm_rss(mm);\\n\\tfor (i = 0; i < NR_MM_COUNTERS; i++)\\n\\t\\tif (rss[i])\\n\\t\\t\\tadd_mm_counter(mm, i, rss[i]);\\n}\",\n \"/*\\n * This function is called to print an error when a bad pte\\n * is found. For example, we might have a PFN-mapped pte in\\n * a region that doesn't allow it.\\n *\\n * The calling function must still handle the error.\\n */\\nstatic void print_bad_pte(struct vm_area_struct *vma, unsigned long addr,\\n\\t\\t\\t pte_t pte, struct page *page)\\n{\\n\\tpgd_t *pgd = pgd_offset(vma->vm_mm, addr);\\n\\tpud_t *pud = pud_offset(pgd, addr);\\n\\tpmd_t *pmd = pmd_offset(pud, addr);\\n\\tstruct address_space *mapping;\\n\\tpgoff_t index;\\n\\tstatic unsigned long resume;\\n\\tstatic unsigned long nr_shown;\\n\\tstatic unsigned long nr_unshown;\",\n \"\\t/*\\n\\t * Allow a burst of 60 reports, then keep quiet for that minute;\\n\\t * or allow a steady drip of one report per second.\\n\\t */\\n\\tif (nr_shown == 60) {\\n\\t\\tif (time_before(jiffies, resume)) {\\n\\t\\t\\tnr_unshown++;\\n\\t\\t\\treturn;\\n\\t\\t}\\n\\t\\tif (nr_unshown) {\\n\\t\\t\\tprintk(KERN_ALERT\\n\\t\\t\\t\\t\\\"BUG: Bad page map: %lu messages suppressed\\\\n\\\",\\n\\t\\t\\t\\tnr_unshown);\\n\\t\\t\\tnr_unshown = 0;\\n\\t\\t}\\n\\t\\tnr_shown = 0;\\n\\t}\\n\\tif (nr_shown++ == 0)\\n\\t\\tresume = jiffies + 60 * HZ;\",\n \"\\tmapping = vma->vm_file ? vma->vm_file->f_mapping : NULL;\\n\\tindex = linear_page_index(vma, addr);\",\n \"\\tprintk(KERN_ALERT\\n\\t\\t\\\"BUG: Bad page map in process %s pte:%08llx pmd:%08llx\\\\n\\\",\\n\\t\\tcurrent->comm,\\n\\t\\t(long long)pte_val(pte), (long long)pmd_val(*pmd));\\n\\tif (page)\\n\\t\\tdump_page(page);\\n\\tprintk(KERN_ALERT\\n\\t\\t\\\"addr:%p vm_flags:%08lx anon_vma:%p mapping:%p index:%lx\\\\n\\\",\\n\\t\\t(void *)addr, vma->vm_flags, vma->anon_vma, mapping, index);\\n\\t/*\\n\\t * Choose text because data symbols depend on CONFIG_KALLSYMS_ALL=y\\n\\t */\\n\\tif (vma->vm_ops)\\n\\t\\tprint_symbol(KERN_ALERT \\\"vma->vm_ops->fault: %s\\\\n\\\",\\n\\t\\t\\t\\t(unsigned long)vma->vm_ops->fault);\\n\\tif (vma->vm_file && vma->vm_file->f_op)\\n\\t\\tprint_symbol(KERN_ALERT \\\"vma->vm_file->f_op->mmap: %s\\\\n\\\",\\n\\t\\t\\t\\t(unsigned long)vma->vm_file->f_op->mmap);\\n\\tdump_stack();\\n\\tadd_taint(TAINT_BAD_PAGE, LOCKDEP_NOW_UNRELIABLE);\\n}\",\n \"static inline bool is_cow_mapping(vm_flags_t flags)\\n{\\n\\treturn (flags & (VM_SHARED | VM_MAYWRITE)) == VM_MAYWRITE;\\n}\",\n \"/*\\n * vm_normal_page -- This function gets the \\\"struct page\\\" associated with a pte.\\n *\\n * \\\"Special\\\" mappings do not wish to be associated with a \\\"struct page\\\" (either\\n * it doesn't exist, or it exists but they don't want to touch it). In this\\n * case, NULL is returned here. \\\"Normal\\\" mappings do have a struct page.\\n *\\n * There are 2 broad cases. Firstly, an architecture may define a pte_special()\\n * pte bit, in which case this function is trivial. Secondly, an architecture\\n * may not have a spare pte bit, which requires a more complicated scheme,\\n * described below.\\n *\\n * A raw VM_PFNMAP mapping (ie. one that is not COWed) is always considered a\\n * special mapping (even if there are underlying and valid \\\"struct pages\\\").\\n * COWed pages of a VM_PFNMAP are always normal.\\n *\\n * The way we recognize COWed pages within VM_PFNMAP mappings is through the\\n * rules set up by \\\"remap_pfn_range()\\\": the vma will have the VM_PFNMAP bit\\n * set, and the vm_pgoff will point to the first PFN mapped: thus every special\\n * mapping will always honor the rule\\n *\\n *\\tpfn_of_page == vma->vm_pgoff + ((addr - vma->vm_start) >> PAGE_SHIFT)\\n *\\n * And for normal mappings this is false.\\n *\\n * This restricts such mappings to be a linear translation from virtual address\\n * to pfn. To get around this restriction, we allow arbitrary mappings so long\\n * as the vma is not a COW mapping; in that case, we know that all ptes are\\n * special (because none can have been COWed).\\n *\\n *\\n * In order to support COW of arbitrary special mappings, we have VM_MIXEDMAP.\\n *\\n * VM_MIXEDMAP mappings can likewise contain memory with or without \\\"struct\\n * page\\\" backing, however the difference is that _all_ pages with a struct\\n * page (that is, those where pfn_valid is true) are refcounted and considered\\n * normal pages by the VM. The disadvantage is that pages are refcounted\\n * (which can be slower and simply not an option for some PFNMAP users). The\\n * advantage is that we don't have to follow the strict linearity rule of\\n * PFNMAP mappings in order to support COWable mappings.\\n *\\n */\\n#ifdef __HAVE_ARCH_PTE_SPECIAL\\n# define HAVE_PTE_SPECIAL 1\\n#else\\n# define HAVE_PTE_SPECIAL 0\\n#endif\\nstruct page *vm_normal_page(struct vm_area_struct *vma, unsigned long addr,\\n\\t\\t\\t\\tpte_t pte)\\n{\\n\\tunsigned long pfn = pte_pfn(pte);\",\n \"\\tif (HAVE_PTE_SPECIAL) {\\n\\t\\tif (likely(!pte_special(pte)))\\n\\t\\t\\tgoto check_pfn;\\n\\t\\tif (vma->vm_flags & (VM_PFNMAP | VM_MIXEDMAP))\\n\\t\\t\\treturn NULL;\\n\\t\\tif (!is_zero_pfn(pfn))\\n\\t\\t\\tprint_bad_pte(vma, addr, pte, NULL);\\n\\t\\treturn NULL;\\n\\t}\",\n \"\\t/* !HAVE_PTE_SPECIAL case follows: */\",\n \"\\tif (unlikely(vma->vm_flags & (VM_PFNMAP|VM_MIXEDMAP))) {\\n\\t\\tif (vma->vm_flags & VM_MIXEDMAP) {\\n\\t\\t\\tif (!pfn_valid(pfn))\\n\\t\\t\\t\\treturn NULL;\\n\\t\\t\\tgoto out;\\n\\t\\t} else {\\n\\t\\t\\tunsigned long off;\\n\\t\\t\\toff = (addr - vma->vm_start) >> PAGE_SHIFT;\\n\\t\\t\\tif (pfn == vma->vm_pgoff + off)\\n\\t\\t\\t\\treturn NULL;\\n\\t\\t\\tif (!is_cow_mapping(vma->vm_flags))\\n\\t\\t\\t\\treturn NULL;\\n\\t\\t}\\n\\t}\",\n \"\\tif (is_zero_pfn(pfn))\\n\\t\\treturn NULL;\\ncheck_pfn:\\n\\tif (unlikely(pfn > highest_memmap_pfn)) {\\n\\t\\tprint_bad_pte(vma, addr, pte, NULL);\\n\\t\\treturn NULL;\\n\\t}\",\n \"\\t/*\\n\\t * NOTE! We still have PageReserved() pages in the page tables.\\n\\t * eg. VDSO mappings can cause them to exist.\\n\\t */\\nout:\\n\\treturn pfn_to_page(pfn);\\n}\",\n \"/*\\n * copy one vm_area from one task to the other. Assumes the page tables\\n * already present in the new task to be cleared in the whole range\\n * covered by this vma.\\n */\",\n \"static inline unsigned long\\ncopy_one_pte(struct mm_struct *dst_mm, struct mm_struct *src_mm,\\n\\t\\tpte_t *dst_pte, pte_t *src_pte, struct vm_area_struct *vma,\\n\\t\\tunsigned long addr, int *rss)\\n{\\n\\tunsigned long vm_flags = vma->vm_flags;\\n\\tpte_t pte = *src_pte;\\n\\tstruct page *page;\",\n \"\\t/* pte contains position in swap or file, so copy. */\\n\\tif (unlikely(!pte_present(pte))) {\\n\\t\\tif (!pte_file(pte)) {\\n\\t\\t\\tswp_entry_t entry = pte_to_swp_entry(pte);\",\n \"\\t\\t\\tif (swap_duplicate(entry) < 0)\\n\\t\\t\\t\\treturn entry.val;\",\n \"\\t\\t\\t/* make sure dst_mm is on swapoff's mmlist. */\\n\\t\\t\\tif (unlikely(list_empty(&dst_mm->mmlist))) {\\n\\t\\t\\t\\tspin_lock(&mmlist_lock);\\n\\t\\t\\t\\tif (list_empty(&dst_mm->mmlist))\\n\\t\\t\\t\\t\\tlist_add(&dst_mm->mmlist,\\n\\t\\t\\t\\t\\t\\t &src_mm->mmlist);\\n\\t\\t\\t\\tspin_unlock(&mmlist_lock);\\n\\t\\t\\t}\\n\\t\\t\\tif (likely(!non_swap_entry(entry)))\\n\\t\\t\\t\\trss[MM_SWAPENTS]++;\\n\\t\\t\\telse if (is_migration_entry(entry)) {\\n\\t\\t\\t\\tpage = migration_entry_to_page(entry);\",\n \"\\t\\t\\t\\tif (PageAnon(page))\\n\\t\\t\\t\\t\\trss[MM_ANONPAGES]++;\\n\\t\\t\\t\\telse\\n\\t\\t\\t\\t\\trss[MM_FILEPAGES]++;\",\n \"\\t\\t\\t\\tif (is_write_migration_entry(entry) &&\\n\\t\\t\\t\\t is_cow_mapping(vm_flags)) {\\n\\t\\t\\t\\t\\t/*\\n\\t\\t\\t\\t\\t * COW mappings require pages in both\\n\\t\\t\\t\\t\\t * parent and child to be set to read.\\n\\t\\t\\t\\t\\t */\\n\\t\\t\\t\\t\\tmake_migration_entry_read(&entry);\\n\\t\\t\\t\\t\\tpte = swp_entry_to_pte(entry);\\n\\t\\t\\t\\t\\tset_pte_at(src_mm, addr, src_pte, pte);\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\tgoto out_set_pte;\\n\\t}\",\n \"\\t/*\\n\\t * If it's a COW mapping, write protect it both\\n\\t * in the parent and the child\\n\\t */\\n\\tif (is_cow_mapping(vm_flags)) {\\n\\t\\tptep_set_wrprotect(src_mm, addr, src_pte);\\n\\t\\tpte = pte_wrprotect(pte);\\n\\t}\",\n \"\\t/*\\n\\t * If it's a shared mapping, mark it clean in\\n\\t * the child\\n\\t */\\n\\tif (vm_flags & VM_SHARED)\\n\\t\\tpte = pte_mkclean(pte);\\n\\tpte = pte_mkold(pte);\",\n \"\\tpage = vm_normal_page(vma, addr, pte);\\n\\tif (page) {\\n\\t\\tget_page(page);\\n\\t\\tpage_dup_rmap(page);\\n\\t\\tif (PageAnon(page))\\n\\t\\t\\trss[MM_ANONPAGES]++;\\n\\t\\telse\\n\\t\\t\\trss[MM_FILEPAGES]++;\\n\\t}\",\n \"out_set_pte:\\n\\tset_pte_at(dst_mm, addr, dst_pte, pte);\\n\\treturn 0;\\n}\",\n \"int copy_pte_range(struct mm_struct *dst_mm, struct mm_struct *src_mm,\\n\\t\\t pmd_t *dst_pmd, pmd_t *src_pmd, struct vm_area_struct *vma,\\n\\t\\t unsigned long addr, unsigned long end)\\n{\\n\\tpte_t *orig_src_pte, *orig_dst_pte;\\n\\tpte_t *src_pte, *dst_pte;\\n\\tspinlock_t *src_ptl, *dst_ptl;\\n\\tint progress = 0;\\n\\tint rss[NR_MM_COUNTERS];\\n\\tswp_entry_t entry = (swp_entry_t){0};\",\n \"again:\\n\\tinit_rss_vec(rss);\",\n \"\\tdst_pte = pte_alloc_map_lock(dst_mm, dst_pmd, addr, &dst_ptl);\\n\\tif (!dst_pte)\\n\\t\\treturn -ENOMEM;\\n\\tsrc_pte = pte_offset_map(src_pmd, addr);\\n\\tsrc_ptl = pte_lockptr(src_mm, src_pmd);\\n\\tspin_lock_nested(src_ptl, SINGLE_DEPTH_NESTING);\\n\\torig_src_pte = src_pte;\\n\\torig_dst_pte = dst_pte;\\n\\tarch_enter_lazy_mmu_mode();\",\n \"\\tdo {\\n\\t\\t/*\\n\\t\\t * We are holding two locks at this point - either of them\\n\\t\\t * could generate latencies in another task on another CPU.\\n\\t\\t */\\n\\t\\tif (progress >= 32) {\\n\\t\\t\\tprogress = 0;\\n\\t\\t\\tif (need_resched() ||\\n\\t\\t\\t spin_needbreak(src_ptl) || spin_needbreak(dst_ptl))\\n\\t\\t\\t\\tbreak;\\n\\t\\t}\\n\\t\\tif (pte_none(*src_pte)) {\\n\\t\\t\\tprogress++;\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\tentry.val = copy_one_pte(dst_mm, src_mm, dst_pte, src_pte,\\n\\t\\t\\t\\t\\t\\t\\tvma, addr, rss);\\n\\t\\tif (entry.val)\\n\\t\\t\\tbreak;\\n\\t\\tprogress += 8;\\n\\t} while (dst_pte++, src_pte++, addr += PAGE_SIZE, addr != end);\",\n \"\\tarch_leave_lazy_mmu_mode();\\n\\tspin_unlock(src_ptl);\\n\\tpte_unmap(orig_src_pte);\\n\\tadd_mm_rss_vec(dst_mm, rss);\\n\\tpte_unmap_unlock(orig_dst_pte, dst_ptl);\\n\\tcond_resched();\",\n \"\\tif (entry.val) {\\n\\t\\tif (add_swap_count_continuation(entry, GFP_KERNEL) < 0)\\n\\t\\t\\treturn -ENOMEM;\\n\\t\\tprogress = 0;\\n\\t}\\n\\tif (addr != end)\\n\\t\\tgoto again;\\n\\treturn 0;\\n}\",\n \"static inline int copy_pmd_range(struct mm_struct *dst_mm, struct mm_struct *src_mm,\\n\\t\\tpud_t *dst_pud, pud_t *src_pud, struct vm_area_struct *vma,\\n\\t\\tunsigned long addr, unsigned long end)\\n{\\n\\tpmd_t *src_pmd, *dst_pmd;\\n\\tunsigned long next;\",\n \"\\tdst_pmd = pmd_alloc(dst_mm, dst_pud, addr);\\n\\tif (!dst_pmd)\\n\\t\\treturn -ENOMEM;\\n\\tsrc_pmd = pmd_offset(src_pud, addr);\\n\\tdo {\\n\\t\\tnext = pmd_addr_end(addr, end);\\n\\t\\tif (pmd_trans_huge(*src_pmd)) {\\n\\t\\t\\tint err;\\n\\t\\t\\tVM_BUG_ON(next-addr != HPAGE_PMD_SIZE);\\n\\t\\t\\terr = copy_huge_pmd(dst_mm, src_mm,\\n\\t\\t\\t\\t\\t dst_pmd, src_pmd, addr, vma);\\n\\t\\t\\tif (err == -ENOMEM)\\n\\t\\t\\t\\treturn -ENOMEM;\\n\\t\\t\\tif (!err)\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t/* fall through */\\n\\t\\t}\\n\\t\\tif (pmd_none_or_clear_bad(src_pmd))\\n\\t\\t\\tcontinue;\\n\\t\\tif (copy_pte_range(dst_mm, src_mm, dst_pmd, src_pmd,\\n\\t\\t\\t\\t\\t\\tvma, addr, next))\\n\\t\\t\\treturn -ENOMEM;\\n\\t} while (dst_pmd++, src_pmd++, addr = next, addr != end);\\n\\treturn 0;\\n}\",\n \"static inline int copy_pud_range(struct mm_struct *dst_mm, struct mm_struct *src_mm,\\n\\t\\tpgd_t *dst_pgd, pgd_t *src_pgd, struct vm_area_struct *vma,\\n\\t\\tunsigned long addr, unsigned long end)\\n{\\n\\tpud_t *src_pud, *dst_pud;\\n\\tunsigned long next;\",\n \"\\tdst_pud = pud_alloc(dst_mm, dst_pgd, addr);\\n\\tif (!dst_pud)\\n\\t\\treturn -ENOMEM;\\n\\tsrc_pud = pud_offset(src_pgd, addr);\\n\\tdo {\\n\\t\\tnext = pud_addr_end(addr, end);\\n\\t\\tif (pud_none_or_clear_bad(src_pud))\\n\\t\\t\\tcontinue;\\n\\t\\tif (copy_pmd_range(dst_mm, src_mm, dst_pud, src_pud,\\n\\t\\t\\t\\t\\t\\tvma, addr, next))\\n\\t\\t\\treturn -ENOMEM;\\n\\t} while (dst_pud++, src_pud++, addr = next, addr != end);\\n\\treturn 0;\\n}\",\n \"int copy_page_range(struct mm_struct *dst_mm, struct mm_struct *src_mm,\\n\\t\\tstruct vm_area_struct *vma)\\n{\\n\\tpgd_t *src_pgd, *dst_pgd;\\n\\tunsigned long next;\\n\\tunsigned long addr = vma->vm_start;\\n\\tunsigned long end = vma->vm_end;\\n\\tunsigned long mmun_start;\\t/* For mmu_notifiers */\\n\\tunsigned long mmun_end;\\t\\t/* For mmu_notifiers */\\n\\tbool is_cow;\\n\\tint ret;\",\n \"\\t/*\\n\\t * Don't copy ptes where a page fault will fill them correctly.\\n\\t * Fork becomes much lighter when there are big shared or private\\n\\t * readonly mappings. The tradeoff is that copy_page_range is more\\n\\t * efficient than faulting.\\n\\t */\\n\\tif (!(vma->vm_flags & (VM_HUGETLB | VM_NONLINEAR |\\n\\t\\t\\t VM_PFNMAP | VM_MIXEDMAP))) {\\n\\t\\tif (!vma->anon_vma)\\n\\t\\t\\treturn 0;\\n\\t}\",\n \"\\tif (is_vm_hugetlb_page(vma))\\n\\t\\treturn copy_hugetlb_page_range(dst_mm, src_mm, vma);\",\n \"\\tif (unlikely(vma->vm_flags & VM_PFNMAP)) {\\n\\t\\t/*\\n\\t\\t * We do not free on error cases below as remove_vma\\n\\t\\t * gets called on error from higher level routine\\n\\t\\t */\\n\\t\\tret = track_pfn_copy(vma);\\n\\t\\tif (ret)\\n\\t\\t\\treturn ret;\\n\\t}\",\n \"\\t/*\\n\\t * We need to invalidate the secondary MMU mappings only when\\n\\t * there could be a permission downgrade on the ptes of the\\n\\t * parent mm. And a permission downgrade will only happen if\\n\\t * is_cow_mapping() returns true.\\n\\t */\\n\\tis_cow = is_cow_mapping(vma->vm_flags);\\n\\tmmun_start = addr;\\n\\tmmun_end = end;\\n\\tif (is_cow)\\n\\t\\tmmu_notifier_invalidate_range_start(src_mm, mmun_start,\\n\\t\\t\\t\\t\\t\\t mmun_end);\",\n \"\\tret = 0;\\n\\tdst_pgd = pgd_offset(dst_mm, addr);\\n\\tsrc_pgd = pgd_offset(src_mm, addr);\\n\\tdo {\\n\\t\\tnext = pgd_addr_end(addr, end);\\n\\t\\tif (pgd_none_or_clear_bad(src_pgd))\\n\\t\\t\\tcontinue;\\n\\t\\tif (unlikely(copy_pud_range(dst_mm, src_mm, dst_pgd, src_pgd,\\n\\t\\t\\t\\t\\t vma, addr, next))) {\\n\\t\\t\\tret = -ENOMEM;\\n\\t\\t\\tbreak;\\n\\t\\t}\\n\\t} while (dst_pgd++, src_pgd++, addr = next, addr != end);\",\n \"\\tif (is_cow)\\n\\t\\tmmu_notifier_invalidate_range_end(src_mm, mmun_start, mmun_end);\\n\\treturn ret;\\n}\",\n \"static unsigned long zap_pte_range(struct mmu_gather *tlb,\\n\\t\\t\\t\\tstruct vm_area_struct *vma, pmd_t *pmd,\\n\\t\\t\\t\\tunsigned long addr, unsigned long end,\\n\\t\\t\\t\\tstruct zap_details *details)\\n{\\n\\tstruct mm_struct *mm = tlb->mm;\\n\\tint force_flush = 0;\\n\\tint rss[NR_MM_COUNTERS];\\n\\tspinlock_t *ptl;\\n\\tpte_t *start_pte;\\n\\tpte_t *pte;\",\n \"again:\\n\\tinit_rss_vec(rss);\\n\\tstart_pte = pte_offset_map_lock(mm, pmd, addr, &ptl);\\n\\tpte = start_pte;\\n\\tarch_enter_lazy_mmu_mode();\\n\\tdo {\\n\\t\\tpte_t ptent = *pte;\\n\\t\\tif (pte_none(ptent)) {\\n\\t\\t\\tcontinue;\\n\\t\\t}\",\n \"\\t\\tif (pte_present(ptent)) {\\n\\t\\t\\tstruct page *page;\",\n \"\\t\\t\\tpage = vm_normal_page(vma, addr, ptent);\\n\\t\\t\\tif (unlikely(details) && page) {\\n\\t\\t\\t\\t/*\\n\\t\\t\\t\\t * unmap_shared_mapping_pages() wants to\\n\\t\\t\\t\\t * invalidate cache without truncating:\\n\\t\\t\\t\\t * unmap shared but keep private pages.\\n\\t\\t\\t\\t */\\n\\t\\t\\t\\tif (details->check_mapping &&\\n\\t\\t\\t\\t details->check_mapping != page->mapping)\\n\\t\\t\\t\\t\\tcontinue;\\n\\t\\t\\t\\t/*\\n\\t\\t\\t\\t * Each page->index must be checked when\\n\\t\\t\\t\\t * invalidating or truncating nonlinear.\\n\\t\\t\\t\\t */\\n\\t\\t\\t\\tif (details->nonlinear_vma &&\\n\\t\\t\\t\\t (page->index < details->first_index ||\\n\\t\\t\\t\\t page->index > details->last_index))\\n\\t\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\tptent = ptep_get_and_clear_full(mm, addr, pte,\\n\\t\\t\\t\\t\\t\\t\\ttlb->fullmm);\\n\\t\\t\\ttlb_remove_tlb_entry(tlb, pte, addr);\\n\\t\\t\\tif (unlikely(!page))\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\tif (unlikely(details) && details->nonlinear_vma\\n\\t\\t\\t && linear_page_index(details->nonlinear_vma,\\n\\t\\t\\t\\t\\t\\taddr) != page->index)\\n\\t\\t\\t\\tset_pte_at(mm, addr, pte,\\n\\t\\t\\t\\t\\t pgoff_to_pte(page->index));\\n\\t\\t\\tif (PageAnon(page))\\n\\t\\t\\t\\trss[MM_ANONPAGES]--;\\n\\t\\t\\telse {\\n\\t\\t\\t\\tif (pte_dirty(ptent))\\n\\t\\t\\t\\t\\tset_page_dirty(page);\\n\\t\\t\\t\\tif (pte_young(ptent) &&\\n\\t\\t\\t\\t likely(!VM_SequentialReadHint(vma)))\\n\\t\\t\\t\\t\\tmark_page_accessed(page);\\n\\t\\t\\t\\trss[MM_FILEPAGES]--;\\n\\t\\t\\t}\\n\\t\\t\\tpage_remove_rmap(page);\\n\\t\\t\\tif (unlikely(page_mapcount(page) < 0))\\n\\t\\t\\t\\tprint_bad_pte(vma, addr, ptent, page);\\n\\t\\t\\tforce_flush = !__tlb_remove_page(tlb, page);\\n\\t\\t\\tif (force_flush)\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\t/*\\n\\t\\t * If details->check_mapping, we leave swap entries;\\n\\t\\t * if details->nonlinear_vma, we leave file entries.\\n\\t\\t */\\n\\t\\tif (unlikely(details))\\n\\t\\t\\tcontinue;\\n\\t\\tif (pte_file(ptent)) {\\n\\t\\t\\tif (unlikely(!(vma->vm_flags & VM_NONLINEAR)))\\n\\t\\t\\t\\tprint_bad_pte(vma, addr, ptent, NULL);\\n\\t\\t} else {\\n\\t\\t\\tswp_entry_t entry = pte_to_swp_entry(ptent);\",\n \"\\t\\t\\tif (!non_swap_entry(entry))\\n\\t\\t\\t\\trss[MM_SWAPENTS]--;\\n\\t\\t\\telse if (is_migration_entry(entry)) {\\n\\t\\t\\t\\tstruct page *page;\",\n \"\\t\\t\\t\\tpage = migration_entry_to_page(entry);\",\n \"\\t\\t\\t\\tif (PageAnon(page))\\n\\t\\t\\t\\t\\trss[MM_ANONPAGES]--;\\n\\t\\t\\t\\telse\\n\\t\\t\\t\\t\\trss[MM_FILEPAGES]--;\\n\\t\\t\\t}\\n\\t\\t\\tif (unlikely(!free_swap_and_cache(entry)))\\n\\t\\t\\t\\tprint_bad_pte(vma, addr, ptent, NULL);\\n\\t\\t}\\n\\t\\tpte_clear_not_present_full(mm, addr, pte, tlb->fullmm);\\n\\t} while (pte++, addr += PAGE_SIZE, addr != end);\",\n \"\\tadd_mm_rss_vec(mm, rss);\\n\\tarch_leave_lazy_mmu_mode();\\n\\tpte_unmap_unlock(start_pte, ptl);\",\n \"\\t/*\\n\\t * mmu_gather ran out of room to batch pages, we break out of\\n\\t * the PTE lock to avoid doing the potential expensive TLB invalidate\\n\\t * and page-free while holding it.\\n\\t */\\n\\tif (force_flush) {\\n\\t\\tforce_flush = 0;\",\n \"#ifdef HAVE_GENERIC_MMU_GATHER\\n\\t\\ttlb->start = addr;\\n\\t\\ttlb->end = end;\\n#endif\\n\\t\\ttlb_flush_mmu(tlb);\\n\\t\\tif (addr != end)\\n\\t\\t\\tgoto again;\\n\\t}\",\n \"\\treturn addr;\\n}\",\n \"static inline unsigned long zap_pmd_range(struct mmu_gather *tlb,\\n\\t\\t\\t\\tstruct vm_area_struct *vma, pud_t *pud,\\n\\t\\t\\t\\tunsigned long addr, unsigned long end,\\n\\t\\t\\t\\tstruct zap_details *details)\\n{\\n\\tpmd_t *pmd;\\n\\tunsigned long next;\",\n \"\\tpmd = pmd_offset(pud, addr);\\n\\tdo {\\n\\t\\tnext = pmd_addr_end(addr, end);\\n\\t\\tif (pmd_trans_huge(*pmd)) {\\n\\t\\t\\tif (next - addr != HPAGE_PMD_SIZE) {\\n#ifdef CONFIG_DEBUG_VM\\n\\t\\t\\t\\tif (!rwsem_is_locked(&tlb->mm->mmap_sem)) {\\n\\t\\t\\t\\t\\tpr_err(\\\"%s: mmap_sem is unlocked! addr=0x%lx end=0x%lx vma->vm_start=0x%lx vma->vm_end=0x%lx\\\\n\\\",\\n\\t\\t\\t\\t\\t\\t__func__, addr, end,\\n\\t\\t\\t\\t\\t\\tvma->vm_start,\\n\\t\\t\\t\\t\\t\\tvma->vm_end);\\n\\t\\t\\t\\t\\tBUG();\\n\\t\\t\\t\\t}\\n#endif\\n\\t\\t\\t\\tsplit_huge_page_pmd(vma, addr, pmd);\\n\\t\\t\\t} else if (zap_huge_pmd(tlb, vma, pmd, addr))\\n\\t\\t\\t\\tgoto next;\\n\\t\\t\\t/* fall through */\\n\\t\\t}\\n\\t\\t/*\\n\\t\\t * Here there can be other concurrent MADV_DONTNEED or\\n\\t\\t * trans huge page faults running, and if the pmd is\\n\\t\\t * none or trans huge it can change under us. This is\\n\\t\\t * because MADV_DONTNEED holds the mmap_sem in read\\n\\t\\t * mode.\\n\\t\\t */\\n\\t\\tif (pmd_none_or_trans_huge_or_clear_bad(pmd))\\n\\t\\t\\tgoto next;\\n\\t\\tnext = zap_pte_range(tlb, vma, pmd, addr, next, details);\\nnext:\\n\\t\\tcond_resched();\\n\\t} while (pmd++, addr = next, addr != end);\",\n \"\\treturn addr;\\n}\",\n \"static inline unsigned long zap_pud_range(struct mmu_gather *tlb,\\n\\t\\t\\t\\tstruct vm_area_struct *vma, pgd_t *pgd,\\n\\t\\t\\t\\tunsigned long addr, unsigned long end,\\n\\t\\t\\t\\tstruct zap_details *details)\\n{\\n\\tpud_t *pud;\\n\\tunsigned long next;\",\n \"\\tpud = pud_offset(pgd, addr);\\n\\tdo {\\n\\t\\tnext = pud_addr_end(addr, end);\\n\\t\\tif (pud_none_or_clear_bad(pud))\\n\\t\\t\\tcontinue;\\n\\t\\tnext = zap_pmd_range(tlb, vma, pud, addr, next, details);\\n\\t} while (pud++, addr = next, addr != end);\",\n \"\\treturn addr;\\n}\",\n \"static void unmap_page_range(struct mmu_gather *tlb,\\n\\t\\t\\t struct vm_area_struct *vma,\\n\\t\\t\\t unsigned long addr, unsigned long end,\\n\\t\\t\\t struct zap_details *details)\\n{\\n\\tpgd_t *pgd;\\n\\tunsigned long next;\",\n \"\\tif (details && !details->check_mapping && !details->nonlinear_vma)\\n\\t\\tdetails = NULL;\",\n \"\\tBUG_ON(addr >= end);\\n\\tmem_cgroup_uncharge_start();\\n\\ttlb_start_vma(tlb, vma);\\n\\tpgd = pgd_offset(vma->vm_mm, addr);\\n\\tdo {\\n\\t\\tnext = pgd_addr_end(addr, end);\\n\\t\\tif (pgd_none_or_clear_bad(pgd))\\n\\t\\t\\tcontinue;\\n\\t\\tnext = zap_pud_range(tlb, vma, pgd, addr, next, details);\\n\\t} while (pgd++, addr = next, addr != end);\\n\\ttlb_end_vma(tlb, vma);\\n\\tmem_cgroup_uncharge_end();\\n}\",\n \"\\nstatic void unmap_single_vma(struct mmu_gather *tlb,\\n\\t\\tstruct vm_area_struct *vma, unsigned long start_addr,\\n\\t\\tunsigned long end_addr,\\n\\t\\tstruct zap_details *details)\\n{\\n\\tunsigned long start = max(vma->vm_start, start_addr);\\n\\tunsigned long end;\",\n \"\\tif (start >= vma->vm_end)\\n\\t\\treturn;\\n\\tend = min(vma->vm_end, end_addr);\\n\\tif (end <= vma->vm_start)\\n\\t\\treturn;\",\n \"\\tif (vma->vm_file)\\n\\t\\tuprobe_munmap(vma, start, end);\",\n \"\\tif (unlikely(vma->vm_flags & VM_PFNMAP))\\n\\t\\tuntrack_pfn(vma, 0, 0);\",\n \"\\tif (start != end) {\\n\\t\\tif (unlikely(is_vm_hugetlb_page(vma))) {\\n\\t\\t\\t/*\\n\\t\\t\\t * It is undesirable to test vma->vm_file as it\\n\\t\\t\\t * should be non-null for valid hugetlb area.\\n\\t\\t\\t * However, vm_file will be NULL in the error\\n\\t\\t\\t * cleanup path of do_mmap_pgoff. When\\n\\t\\t\\t * hugetlbfs ->mmap method fails,\\n\\t\\t\\t * do_mmap_pgoff() nullifies vma->vm_file\\n\\t\\t\\t * before calling this function to clean up.\\n\\t\\t\\t * Since no pte has actually been setup, it is\\n\\t\\t\\t * safe to do nothing in this case.\\n\\t\\t\\t */\\n\\t\\t\\tif (vma->vm_file) {\\n\\t\\t\\t\\tmutex_lock(&vma->vm_file->f_mapping->i_mmap_mutex);\\n\\t\\t\\t\\t__unmap_hugepage_range_final(tlb, vma, start, end, NULL);\\n\\t\\t\\t\\tmutex_unlock(&vma->vm_file->f_mapping->i_mmap_mutex);\\n\\t\\t\\t}\\n\\t\\t} else\\n\\t\\t\\tunmap_page_range(tlb, vma, start, end, details);\\n\\t}\\n}\",\n \"/**\\n * unmap_vmas - unmap a range of memory covered by a list of vma's\\n * @tlb: address of the caller's struct mmu_gather\\n * @vma: the starting vma\\n * @start_addr: virtual address at which to start unmapping\\n * @end_addr: virtual address at which to end unmapping\\n *\\n * Unmap all pages in the vma list.\\n *\\n * Only addresses between `start' and `end' will be unmapped.\\n *\\n * The VMA list must be sorted in ascending virtual address order.\\n *\\n * unmap_vmas() assumes that the caller will flush the whole unmapped address\\n * range after unmap_vmas() returns. So the only responsibility here is to\\n * ensure that any thus-far unmapped pages are flushed before unmap_vmas()\\n * drops the lock and schedules.\\n */\\nvoid unmap_vmas(struct mmu_gather *tlb,\\n\\t\\tstruct vm_area_struct *vma, unsigned long start_addr,\\n\\t\\tunsigned long end_addr)\\n{\\n\\tstruct mm_struct *mm = vma->vm_mm;\",\n \"\\tmmu_notifier_invalidate_range_start(mm, start_addr, end_addr);\\n\\tfor ( ; vma && vma->vm_start < end_addr; vma = vma->vm_next)\\n\\t\\tunmap_single_vma(tlb, vma, start_addr, end_addr, NULL);\\n\\tmmu_notifier_invalidate_range_end(mm, start_addr, end_addr);\\n}\",\n \"/**\\n * zap_page_range - remove user pages in a given range\\n * @vma: vm_area_struct holding the applicable pages\\n * @start: starting address of pages to zap\\n * @size: number of bytes to zap\\n * @details: details of nonlinear truncation or shared cache invalidation\\n *\\n * Caller must protect the VMA list\\n */\\nvoid zap_page_range(struct vm_area_struct *vma, unsigned long start,\\n\\t\\tunsigned long size, struct zap_details *details)\\n{\\n\\tstruct mm_struct *mm = vma->vm_mm;\\n\\tstruct mmu_gather tlb;\\n\\tunsigned long end = start + size;\",\n \"\\tlru_add_drain();\\n\\ttlb_gather_mmu(&tlb, mm, 0);\\n\\tupdate_hiwater_rss(mm);\\n\\tmmu_notifier_invalidate_range_start(mm, start, end);\\n\\tfor ( ; vma && vma->vm_start < end; vma = vma->vm_next)\\n\\t\\tunmap_single_vma(&tlb, vma, start, end, details);\\n\\tmmu_notifier_invalidate_range_end(mm, start, end);\\n\\ttlb_finish_mmu(&tlb, start, end);\\n}\",\n \"/**\\n * zap_page_range_single - remove user pages in a given range\\n * @vma: vm_area_struct holding the applicable pages\\n * @address: starting address of pages to zap\\n * @size: number of bytes to zap\\n * @details: details of nonlinear truncation or shared cache invalidation\\n *\\n * The range must fit into one VMA.\\n */\\nstatic void zap_page_range_single(struct vm_area_struct *vma, unsigned long address,\\n\\t\\tunsigned long size, struct zap_details *details)\\n{\\n\\tstruct mm_struct *mm = vma->vm_mm;\\n\\tstruct mmu_gather tlb;\\n\\tunsigned long end = address + size;\",\n \"\\tlru_add_drain();\\n\\ttlb_gather_mmu(&tlb, mm, 0);\\n\\tupdate_hiwater_rss(mm);\\n\\tmmu_notifier_invalidate_range_start(mm, address, end);\\n\\tunmap_single_vma(&tlb, vma, address, end, details);\\n\\tmmu_notifier_invalidate_range_end(mm, address, end);\\n\\ttlb_finish_mmu(&tlb, address, end);\\n}\",\n \"/**\\n * zap_vma_ptes - remove ptes mapping the vma\\n * @vma: vm_area_struct holding ptes to be zapped\\n * @address: starting address of pages to zap\\n * @size: number of bytes to zap\\n *\\n * This function only unmaps ptes assigned to VM_PFNMAP vmas.\\n *\\n * The entire address range must be fully contained within the vma.\\n *\\n * Returns 0 if successful.\\n */\\nint zap_vma_ptes(struct vm_area_struct *vma, unsigned long address,\\n\\t\\tunsigned long size)\\n{\\n\\tif (address < vma->vm_start || address + size > vma->vm_end ||\\n\\t \\t\\t!(vma->vm_flags & VM_PFNMAP))\\n\\t\\treturn -1;\\n\\tzap_page_range_single(vma, address, size, NULL);\\n\\treturn 0;\\n}\\nEXPORT_SYMBOL_GPL(zap_vma_ptes);\",\n \"/**\\n * follow_page_mask - look up a page descriptor from a user-virtual address\\n * @vma: vm_area_struct mapping @address\\n * @address: virtual address to look up\\n * @flags: flags modifying lookup behaviour\\n * @page_mask: on output, *page_mask is set according to the size of the page\\n *\\n * @flags can have FOLL_ flags set, defined in <linux/mm.h>\\n *\\n * Returns the mapped (struct page *), %NULL if no mapping exists, or\\n * an error pointer if there is a mapping to something not represented\\n * by a page descriptor (see also vm_normal_page()).\\n */\\nstruct page *follow_page_mask(struct vm_area_struct *vma,\\n\\t\\t\\t unsigned long address, unsigned int flags,\\n\\t\\t\\t unsigned int *page_mask)\\n{\\n\\tpgd_t *pgd;\\n\\tpud_t *pud;\\n\\tpmd_t *pmd;\\n\\tpte_t *ptep, pte;\\n\\tspinlock_t *ptl;\\n\\tstruct page *page;\\n\\tstruct mm_struct *mm = vma->vm_mm;\",\n \"\\t*page_mask = 0;\",\n \"\\tpage = follow_huge_addr(mm, address, flags & FOLL_WRITE);\\n\\tif (!IS_ERR(page)) {\\n\\t\\tBUG_ON(flags & FOLL_GET);\\n\\t\\tgoto out;\\n\\t}\",\n \"\\tpage = NULL;\\n\\tpgd = pgd_offset(mm, address);\\n\\tif (pgd_none(*pgd) || unlikely(pgd_bad(*pgd)))\\n\\t\\tgoto no_page_table;\",\n \"\\tpud = pud_offset(pgd, address);\\n\\tif (pud_none(*pud))\\n\\t\\tgoto no_page_table;\\n\\tif (pud_huge(*pud) && vma->vm_flags & VM_HUGETLB) {\\n\\t\\tBUG_ON(flags & FOLL_GET);\\n\\t\\tpage = follow_huge_pud(mm, address, pud, flags & FOLL_WRITE);\\n\\t\\tgoto out;\\n\\t}\\n\\tif (unlikely(pud_bad(*pud)))\\n\\t\\tgoto no_page_table;\",\n \"\\tpmd = pmd_offset(pud, address);\\n\\tif (pmd_none(*pmd))\\n\\t\\tgoto no_page_table;\\n\\tif (pmd_huge(*pmd) && vma->vm_flags & VM_HUGETLB) {\\n\\t\\tBUG_ON(flags & FOLL_GET);\\n\\t\\tpage = follow_huge_pmd(mm, address, pmd, flags & FOLL_WRITE);\\n\\t\\tgoto out;\\n\\t}\\n\\tif ((flags & FOLL_NUMA) && pmd_numa(*pmd))\\n\\t\\tgoto no_page_table;\\n\\tif (pmd_trans_huge(*pmd)) {\\n\\t\\tif (flags & FOLL_SPLIT) {\\n\\t\\t\\tsplit_huge_page_pmd(vma, address, pmd);\\n\\t\\t\\tgoto split_fallthrough;\\n\\t\\t}\\n\\t\\tspin_lock(&mm->page_table_lock);\\n\\t\\tif (likely(pmd_trans_huge(*pmd))) {\\n\\t\\t\\tif (unlikely(pmd_trans_splitting(*pmd))) {\\n\\t\\t\\t\\tspin_unlock(&mm->page_table_lock);\\n\\t\\t\\t\\twait_split_huge_page(vma->anon_vma, pmd);\\n\\t\\t\\t} else {\\n\\t\\t\\t\\tpage = follow_trans_huge_pmd(vma, address,\\n\\t\\t\\t\\t\\t\\t\\t pmd, flags);\\n\\t\\t\\t\\tspin_unlock(&mm->page_table_lock);\\n\\t\\t\\t\\t*page_mask = HPAGE_PMD_NR - 1;\\n\\t\\t\\t\\tgoto out;\\n\\t\\t\\t}\\n\\t\\t} else\\n\\t\\t\\tspin_unlock(&mm->page_table_lock);\\n\\t\\t/* fall through */\\n\\t}\\nsplit_fallthrough:\\n\\tif (unlikely(pmd_bad(*pmd)))\\n\\t\\tgoto no_page_table;\",\n \"\\tptep = pte_offset_map_lock(mm, pmd, address, &ptl);\",\n \"\\tpte = *ptep;\\n\\tif (!pte_present(pte)) {\\n\\t\\tswp_entry_t entry;\\n\\t\\t/*\\n\\t\\t * KSM's break_ksm() relies upon recognizing a ksm page\\n\\t\\t * even while it is being migrated, so for that case we\\n\\t\\t * need migration_entry_wait().\\n\\t\\t */\\n\\t\\tif (likely(!(flags & FOLL_MIGRATION)))\\n\\t\\t\\tgoto no_page;\\n\\t\\tif (pte_none(pte) || pte_file(pte))\\n\\t\\t\\tgoto no_page;\\n\\t\\tentry = pte_to_swp_entry(pte);\\n\\t\\tif (!is_migration_entry(entry))\\n\\t\\t\\tgoto no_page;\\n\\t\\tpte_unmap_unlock(ptep, ptl);\\n\\t\\tmigration_entry_wait(mm, pmd, address);\\n\\t\\tgoto split_fallthrough;\\n\\t}\\n\\tif ((flags & FOLL_NUMA) && pte_numa(pte))\\n\\t\\tgoto no_page;\\n\\tif ((flags & FOLL_WRITE) && !pte_write(pte))\\n\\t\\tgoto unlock;\",\n \"\\tpage = vm_normal_page(vma, address, pte);\\n\\tif (unlikely(!page)) {\\n\\t\\tif ((flags & FOLL_DUMP) ||\\n\\t\\t !is_zero_pfn(pte_pfn(pte)))\\n\\t\\t\\tgoto bad_page;\\n\\t\\tpage = pte_page(pte);\\n\\t}\",\n \"\\tif (flags & FOLL_GET)\\n\\t\\tget_page_foll(page);\\n\\tif (flags & FOLL_TOUCH) {\\n\\t\\tif ((flags & FOLL_WRITE) &&\\n\\t\\t !pte_dirty(pte) && !PageDirty(page))\\n\\t\\t\\tset_page_dirty(page);\\n\\t\\t/*\\n\\t\\t * pte_mkyoung() would be more correct here, but atomic care\\n\\t\\t * is needed to avoid losing the dirty bit: it is easier to use\\n\\t\\t * mark_page_accessed().\\n\\t\\t */\\n\\t\\tmark_page_accessed(page);\\n\\t}\\n\\tif ((flags & FOLL_MLOCK) && (vma->vm_flags & VM_LOCKED)) {\\n\\t\\t/*\\n\\t\\t * The preliminary mapping check is mainly to avoid the\\n\\t\\t * pointless overhead of lock_page on the ZERO_PAGE\\n\\t\\t * which might bounce very badly if there is contention.\\n\\t\\t *\\n\\t\\t * If the page is already locked, we don't need to\\n\\t\\t * handle it now - vmscan will handle it later if and\\n\\t\\t * when it attempts to reclaim the page.\\n\\t\\t */\\n\\t\\tif (page->mapping && trylock_page(page)) {\\n\\t\\t\\tlru_add_drain(); /* push cached pages to LRU */\\n\\t\\t\\t/*\\n\\t\\t\\t * Because we lock page here, and migration is\\n\\t\\t\\t * blocked by the pte's page reference, and we\\n\\t\\t\\t * know the page is still mapped, we don't even\\n\\t\\t\\t * need to check for file-cache page truncation.\\n\\t\\t\\t */\\n\\t\\t\\tmlock_vma_page(page);\\n\\t\\t\\tunlock_page(page);\\n\\t\\t}\\n\\t}\\nunlock:\\n\\tpte_unmap_unlock(ptep, ptl);\\nout:\\n\\treturn page;\",\n \"bad_page:\\n\\tpte_unmap_unlock(ptep, ptl);\\n\\treturn ERR_PTR(-EFAULT);\",\n \"no_page:\\n\\tpte_unmap_unlock(ptep, ptl);\\n\\tif (!pte_none(pte))\\n\\t\\treturn page;\",\n \"no_page_table:\\n\\t/*\\n\\t * When core dumping an enormous anonymous area that nobody\\n\\t * has touched so far, we don't want to allocate unnecessary pages or\\n\\t * page tables. Return error instead of NULL to skip handle_mm_fault,\\n\\t * then get_dump_page() will return NULL to leave a hole in the dump.\\n\\t * But we can only make this optimization where a hole would surely\\n\\t * be zero-filled if handle_mm_fault() actually did handle it.\\n\\t */\\n\\tif ((flags & FOLL_DUMP) &&\\n\\t (!vma->vm_ops || !vma->vm_ops->fault))\\n\\t\\treturn ERR_PTR(-EFAULT);\\n\\treturn page;\\n}\",\n \"static inline int stack_guard_page(struct vm_area_struct *vma, unsigned long addr)\\n{\\n\\treturn stack_guard_page_start(vma, addr) ||\\n\\t stack_guard_page_end(vma, addr+PAGE_SIZE);\\n}\",\n \"/**\\n * __get_user_pages() - pin user pages in memory\\n * @tsk:\\ttask_struct of target task\\n * @mm:\\t\\tmm_struct of target mm\\n * @start:\\tstarting user address\\n * @nr_pages:\\tnumber of pages from start to pin\\n * @gup_flags:\\tflags modifying pin behaviour\\n * @pages:\\tarray that receives pointers to the pages pinned.\\n *\\t\\tShould be at least nr_pages long. Or NULL, if caller\\n *\\t\\tonly intends to ensure the pages are faulted in.\\n * @vmas:\\tarray of pointers to vmas corresponding to each page.\\n *\\t\\tOr NULL if the caller does not require them.\\n * @nonblocking: whether waiting for disk IO or mmap_sem contention\\n *\\n * Returns number of pages pinned. This may be fewer than the number\\n * requested. If nr_pages is 0 or negative, returns 0. If no pages\\n * were pinned, returns -errno. Each page returned must be released\\n * with a put_page() call when it is finished with. vmas will only\\n * remain valid while mmap_sem is held.\\n *\\n * Must be called with mmap_sem held for read or write.\\n *\\n * __get_user_pages walks a process's page tables and takes a reference to\\n * each struct page that each user address corresponds to at a given\\n * instant. That is, it takes the page that would be accessed if a user\\n * thread accesses the given user virtual address at that instant.\\n *\\n * This does not guarantee that the page exists in the user mappings when\\n * __get_user_pages returns, and there may even be a completely different\\n * page there in some cases (eg. if mmapped pagecache has been invalidated\\n * and subsequently re faulted). However it does guarantee that the page\\n * won't be freed completely. And mostly callers simply care that the page\\n * contains data that was valid *at some point in time*. Typically, an IO\\n * or similar operation cannot guarantee anything stronger anyway because\\n * locks can't be held over the syscall boundary.\\n *\\n * If @gup_flags & FOLL_WRITE == 0, the page must not be written to. If\\n * the page is written to, set_page_dirty (or set_page_dirty_lock, as\\n * appropriate) must be called after the page is finished with, and\\n * before put_page is called.\\n *\\n * If @nonblocking != NULL, __get_user_pages will not wait for disk IO\\n * or mmap_sem contention, and if waiting is needed to pin all pages,\\n * *@nonblocking will be set to 0.\\n *\\n * In most cases, get_user_pages or get_user_pages_fast should be used\\n * instead of __get_user_pages. __get_user_pages should be used only if\\n * you need some special @gup_flags.\\n */\\nlong __get_user_pages(struct task_struct *tsk, struct mm_struct *mm,\\n\\t\\tunsigned long start, unsigned long nr_pages,\\n\\t\\tunsigned int gup_flags, struct page **pages,\\n\\t\\tstruct vm_area_struct **vmas, int *nonblocking)\\n{\\n\\tlong i;\\n\\tunsigned long vm_flags;\\n\\tunsigned int page_mask;\",\n \"\\tif (!nr_pages)\\n\\t\\treturn 0;\",\n \"\\tVM_BUG_ON(!!pages != !!(gup_flags & FOLL_GET));\",\n \"\\t/* \\n\\t * Require read or write permissions.\\n\\t * If FOLL_FORCE is set, we only require the \\\"MAY\\\" flags.\\n\\t */\\n\\tvm_flags = (gup_flags & FOLL_WRITE) ?\\n\\t\\t\\t(VM_WRITE | VM_MAYWRITE) : (VM_READ | VM_MAYREAD);\\n\\tvm_flags &= (gup_flags & FOLL_FORCE) ?\\n\\t\\t\\t(VM_MAYREAD | VM_MAYWRITE) : (VM_READ | VM_WRITE);\",\n \"\\t/*\\n\\t * If FOLL_FORCE and FOLL_NUMA are both set, handle_mm_fault\\n\\t * would be called on PROT_NONE ranges. We must never invoke\\n\\t * handle_mm_fault on PROT_NONE ranges or the NUMA hinting\\n\\t * page faults would unprotect the PROT_NONE ranges if\\n\\t * _PAGE_NUMA and _PAGE_PROTNONE are sharing the same pte/pmd\\n\\t * bitflag. So to avoid that, don't set FOLL_NUMA if\\n\\t * FOLL_FORCE is set.\\n\\t */\\n\\tif (!(gup_flags & FOLL_FORCE))\\n\\t\\tgup_flags |= FOLL_NUMA;\",\n \"\\ti = 0;\",\n \"\\tdo {\\n\\t\\tstruct vm_area_struct *vma;\",\n \"\\t\\tvma = find_extend_vma(mm, start);\\n\\t\\tif (!vma && in_gate_area(mm, start)) {\\n\\t\\t\\tunsigned long pg = start & PAGE_MASK;\\n\\t\\t\\tpgd_t *pgd;\\n\\t\\t\\tpud_t *pud;\\n\\t\\t\\tpmd_t *pmd;\\n\\t\\t\\tpte_t *pte;\",\n \"\\t\\t\\t/* user gate pages are read-only */\\n\\t\\t\\tif (gup_flags & FOLL_WRITE)\\n\\t\\t\\t\\treturn i ? : -EFAULT;\\n\\t\\t\\tif (pg > TASK_SIZE)\\n\\t\\t\\t\\tpgd = pgd_offset_k(pg);\\n\\t\\t\\telse\\n\\t\\t\\t\\tpgd = pgd_offset_gate(mm, pg);\\n\\t\\t\\tBUG_ON(pgd_none(*pgd));\\n\\t\\t\\tpud = pud_offset(pgd, pg);\\n\\t\\t\\tBUG_ON(pud_none(*pud));\\n\\t\\t\\tpmd = pmd_offset(pud, pg);\\n\\t\\t\\tif (pmd_none(*pmd))\\n\\t\\t\\t\\treturn i ? : -EFAULT;\\n\\t\\t\\tVM_BUG_ON(pmd_trans_huge(*pmd));\\n\\t\\t\\tpte = pte_offset_map(pmd, pg);\\n\\t\\t\\tif (pte_none(*pte)) {\\n\\t\\t\\t\\tpte_unmap(pte);\\n\\t\\t\\t\\treturn i ? : -EFAULT;\\n\\t\\t\\t}\\n\\t\\t\\tvma = get_gate_vma(mm);\\n\\t\\t\\tif (pages) {\\n\\t\\t\\t\\tstruct page *page;\",\n \"\\t\\t\\t\\tpage = vm_normal_page(vma, start, *pte);\\n\\t\\t\\t\\tif (!page) {\\n\\t\\t\\t\\t\\tif (!(gup_flags & FOLL_DUMP) &&\\n\\t\\t\\t\\t\\t is_zero_pfn(pte_pfn(*pte)))\\n\\t\\t\\t\\t\\t\\tpage = pte_page(*pte);\\n\\t\\t\\t\\t\\telse {\\n\\t\\t\\t\\t\\t\\tpte_unmap(pte);\\n\\t\\t\\t\\t\\t\\treturn i ? : -EFAULT;\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tpages[i] = page;\\n\\t\\t\\t\\tget_page(page);\\n\\t\\t\\t}\\n\\t\\t\\tpte_unmap(pte);\\n\\t\\t\\tpage_mask = 0;\\n\\t\\t\\tgoto next_page;\\n\\t\\t}\",\n \"\\t\\tif (!vma ||\\n\\t\\t (vma->vm_flags & (VM_IO | VM_PFNMAP)) ||\\n\\t\\t !(vm_flags & vma->vm_flags))\\n\\t\\t\\treturn i ? : -EFAULT;\",\n \"\\t\\tif (is_vm_hugetlb_page(vma)) {\\n\\t\\t\\ti = follow_hugetlb_page(mm, vma, pages, vmas,\\n\\t\\t\\t\\t\\t&start, &nr_pages, i, gup_flags);\\n\\t\\t\\tcontinue;\\n\\t\\t}\",\n \"\\t\\tdo {\\n\\t\\t\\tstruct page *page;\\n\\t\\t\\tunsigned int foll_flags = gup_flags;\\n\\t\\t\\tunsigned int page_increm;\",\n \"\\t\\t\\t/*\\n\\t\\t\\t * If we have a pending SIGKILL, don't keep faulting\\n\\t\\t\\t * pages and potentially allocating memory.\\n\\t\\t\\t */\\n\\t\\t\\tif (unlikely(fatal_signal_pending(current)))\\n\\t\\t\\t\\treturn i ? i : -ERESTARTSYS;\",\n \"\\t\\t\\tcond_resched();\\n\\t\\t\\twhile (!(page = follow_page_mask(vma, start,\\n\\t\\t\\t\\t\\t\\tfoll_flags, &page_mask))) {\\n\\t\\t\\t\\tint ret;\\n\\t\\t\\t\\tunsigned int fault_flags = 0;\",\n \"\\t\\t\\t\\t/* For mlock, just skip the stack guard page. */\\n\\t\\t\\t\\tif (foll_flags & FOLL_MLOCK) {\\n\\t\\t\\t\\t\\tif (stack_guard_page(vma, start))\\n\\t\\t\\t\\t\\t\\tgoto next_page;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tif (foll_flags & FOLL_WRITE)\\n\\t\\t\\t\\t\\tfault_flags |= FAULT_FLAG_WRITE;\\n\\t\\t\\t\\tif (nonblocking)\\n\\t\\t\\t\\t\\tfault_flags |= FAULT_FLAG_ALLOW_RETRY;\\n\\t\\t\\t\\tif (foll_flags & FOLL_NOWAIT)\\n\\t\\t\\t\\t\\tfault_flags |= (FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_RETRY_NOWAIT);\",\n \"\\t\\t\\t\\tret = handle_mm_fault(mm, vma, start,\\n\\t\\t\\t\\t\\t\\t\\tfault_flags);\",\n \"\\t\\t\\t\\tif (ret & VM_FAULT_ERROR) {\\n\\t\\t\\t\\t\\tif (ret & VM_FAULT_OOM)\\n\\t\\t\\t\\t\\t\\treturn i ? i : -ENOMEM;\\n\\t\\t\\t\\t\\tif (ret & (VM_FAULT_HWPOISON |\\n\\t\\t\\t\\t\\t\\t VM_FAULT_HWPOISON_LARGE)) {\\n\\t\\t\\t\\t\\t\\tif (i)\\n\\t\\t\\t\\t\\t\\t\\treturn i;\\n\\t\\t\\t\\t\\t\\telse if (gup_flags & FOLL_HWPOISON)\\n\\t\\t\\t\\t\\t\\t\\treturn -EHWPOISON;\\n\\t\\t\\t\\t\\t\\telse\\n\\t\\t\\t\\t\\t\\t\\treturn -EFAULT;\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tif (ret & VM_FAULT_SIGBUS)\\n\\t\\t\\t\\t\\t\\treturn i ? i : -EFAULT;\\n\\t\\t\\t\\t\\tBUG();\\n\\t\\t\\t\\t}\",\n \"\\t\\t\\t\\tif (tsk) {\\n\\t\\t\\t\\t\\tif (ret & VM_FAULT_MAJOR)\\n\\t\\t\\t\\t\\t\\ttsk->maj_flt++;\\n\\t\\t\\t\\t\\telse\\n\\t\\t\\t\\t\\t\\ttsk->min_flt++;\\n\\t\\t\\t\\t}\",\n \"\\t\\t\\t\\tif (ret & VM_FAULT_RETRY) {\\n\\t\\t\\t\\t\\tif (nonblocking)\\n\\t\\t\\t\\t\\t\\t*nonblocking = 0;\\n\\t\\t\\t\\t\\treturn i;\\n\\t\\t\\t\\t}\",\n \"\\t\\t\\t\\t/*\\n\\t\\t\\t\\t * The VM_FAULT_WRITE bit tells us that\\n\\t\\t\\t\\t * do_wp_page has broken COW when necessary,\\n\\t\\t\\t\\t * even if maybe_mkwrite decided not to set\\n\\t\\t\\t\\t * pte_write. We can thus safely do subsequent\\n\\t\\t\\t\\t * page lookups as if they were reads. But only\\n\\t\\t\\t\\t * do so when looping for pte_write is futile:\\n\\t\\t\\t\\t * in some cases userspace may also be wanting\\n\\t\\t\\t\\t * to write to the gotten user page, which a\\n\\t\\t\\t\\t * read fault here might prevent (a readonly\\n\\t\\t\\t\\t * page might get reCOWed by userspace write).\\n\\t\\t\\t\\t */\\n\\t\\t\\t\\tif ((ret & VM_FAULT_WRITE) &&\\n\\t\\t\\t\\t !(vma->vm_flags & VM_WRITE))\\n\\t\\t\\t\\t\\tfoll_flags &= ~FOLL_WRITE;\",\n \"\\t\\t\\t\\tcond_resched();\\n\\t\\t\\t}\\n\\t\\t\\tif (IS_ERR(page))\\n\\t\\t\\t\\treturn i ? i : PTR_ERR(page);\\n\\t\\t\\tif (pages) {\\n\\t\\t\\t\\tpages[i] = page;\",\n \"\\t\\t\\t\\tflush_anon_page(vma, page, start);\\n\\t\\t\\t\\tflush_dcache_page(page);\\n\\t\\t\\t\\tpage_mask = 0;\\n\\t\\t\\t}\\nnext_page:\\n\\t\\t\\tif (vmas) {\\n\\t\\t\\t\\tvmas[i] = vma;\\n\\t\\t\\t\\tpage_mask = 0;\\n\\t\\t\\t}\\n\\t\\t\\tpage_increm = 1 + (~(start >> PAGE_SHIFT) & page_mask);\\n\\t\\t\\tif (page_increm > nr_pages)\\n\\t\\t\\t\\tpage_increm = nr_pages;\\n\\t\\t\\ti += page_increm;\\n\\t\\t\\tstart += page_increm * PAGE_SIZE;\\n\\t\\t\\tnr_pages -= page_increm;\\n\\t\\t} while (nr_pages && start < vma->vm_end);\\n\\t} while (nr_pages);\\n\\treturn i;\\n}\\nEXPORT_SYMBOL(__get_user_pages);\",\n \"/*\\n * fixup_user_fault() - manually resolve a user page fault\\n * @tsk:\\tthe task_struct to use for page fault accounting, or\\n *\\t\\tNULL if faults are not to be recorded.\\n * @mm:\\t\\tmm_struct of target mm\\n * @address:\\tuser address\\n * @fault_flags:flags to pass down to handle_mm_fault()\\n *\\n * This is meant to be called in the specific scenario where for locking reasons\\n * we try to access user memory in atomic context (within a pagefault_disable()\\n * section), this returns -EFAULT, and we want to resolve the user fault before\\n * trying again.\\n *\\n * Typically this is meant to be used by the futex code.\\n *\\n * The main difference with get_user_pages() is that this function will\\n * unconditionally call handle_mm_fault() which will in turn perform all the\\n * necessary SW fixup of the dirty and young bits in the PTE, while\\n * handle_mm_fault() only guarantees to update these in the struct page.\\n *\\n * This is important for some architectures where those bits also gate the\\n * access permission to the page because they are maintained in software. On\\n * such architectures, gup() will not be enough to make a subsequent access\\n * succeed.\\n *\\n * This should be called with the mm_sem held for read.\\n */\\nint fixup_user_fault(struct task_struct *tsk, struct mm_struct *mm,\\n\\t\\t unsigned long address, unsigned int fault_flags)\\n{\\n\\tstruct vm_area_struct *vma;\\n\\tint ret;\",\n \"\\tvma = find_extend_vma(mm, address);\\n\\tif (!vma || address < vma->vm_start)\\n\\t\\treturn -EFAULT;\",\n \"\\tret = handle_mm_fault(mm, vma, address, fault_flags);\\n\\tif (ret & VM_FAULT_ERROR) {\\n\\t\\tif (ret & VM_FAULT_OOM)\\n\\t\\t\\treturn -ENOMEM;\\n\\t\\tif (ret & (VM_FAULT_HWPOISON | VM_FAULT_HWPOISON_LARGE))\\n\\t\\t\\treturn -EHWPOISON;\\n\\t\\tif (ret & VM_FAULT_SIGBUS)\\n\\t\\t\\treturn -EFAULT;\\n\\t\\tBUG();\\n\\t}\\n\\tif (tsk) {\\n\\t\\tif (ret & VM_FAULT_MAJOR)\\n\\t\\t\\ttsk->maj_flt++;\\n\\t\\telse\\n\\t\\t\\ttsk->min_flt++;\\n\\t}\\n\\treturn 0;\\n}\",\n \"/*\\n * get_user_pages() - pin user pages in memory\\n * @tsk:\\tthe task_struct to use for page fault accounting, or\\n *\\t\\tNULL if faults are not to be recorded.\\n * @mm:\\t\\tmm_struct of target mm\\n * @start:\\tstarting user address\\n * @nr_pages:\\tnumber of pages from start to pin\\n * @write:\\twhether pages will be written to by the caller\\n * @force:\\twhether to force write access even if user mapping is\\n *\\t\\treadonly. This will result in the page being COWed even\\n *\\t\\tin MAP_SHARED mappings. You do not want this.\\n * @pages:\\tarray that receives pointers to the pages pinned.\\n *\\t\\tShould be at least nr_pages long. Or NULL, if caller\\n *\\t\\tonly intends to ensure the pages are faulted in.\\n * @vmas:\\tarray of pointers to vmas corresponding to each page.\\n *\\t\\tOr NULL if the caller does not require them.\\n *\\n * Returns number of pages pinned. This may be fewer than the number\\n * requested. If nr_pages is 0 or negative, returns 0. If no pages\\n * were pinned, returns -errno. Each page returned must be released\\n * with a put_page() call when it is finished with. vmas will only\\n * remain valid while mmap_sem is held.\\n *\\n * Must be called with mmap_sem held for read or write.\\n *\\n * get_user_pages walks a process's page tables and takes a reference to\\n * each struct page that each user address corresponds to at a given\\n * instant. That is, it takes the page that would be accessed if a user\\n * thread accesses the given user virtual address at that instant.\\n *\\n * This does not guarantee that the page exists in the user mappings when\\n * get_user_pages returns, and there may even be a completely different\\n * page there in some cases (eg. if mmapped pagecache has been invalidated\\n * and subsequently re faulted). However it does guarantee that the page\\n * won't be freed completely. And mostly callers simply care that the page\\n * contains data that was valid *at some point in time*. Typically, an IO\\n * or similar operation cannot guarantee anything stronger anyway because\\n * locks can't be held over the syscall boundary.\\n *\\n * If write=0, the page must not be written to. If the page is written to,\\n * set_page_dirty (or set_page_dirty_lock, as appropriate) must be called\\n * after the page is finished with, and before put_page is called.\\n *\\n * get_user_pages is typically used for fewer-copy IO operations, to get a\\n * handle on the memory by some means other than accesses via the user virtual\\n * addresses. The pages may be submitted for DMA to devices or accessed via\\n * their kernel linear mapping (via the kmap APIs). Care should be taken to\\n * use the correct cache flushing APIs.\\n *\\n * See also get_user_pages_fast, for performance critical applications.\\n */\\nlong get_user_pages(struct task_struct *tsk, struct mm_struct *mm,\\n\\t\\tunsigned long start, unsigned long nr_pages, int write,\\n\\t\\tint force, struct page **pages, struct vm_area_struct **vmas)\\n{\\n\\tint flags = FOLL_TOUCH;\",\n \"\\tif (pages)\\n\\t\\tflags |= FOLL_GET;\\n\\tif (write)\\n\\t\\tflags |= FOLL_WRITE;\\n\\tif (force)\\n\\t\\tflags |= FOLL_FORCE;\",\n \"\\treturn __get_user_pages(tsk, mm, start, nr_pages, flags, pages, vmas,\\n\\t\\t\\t\\tNULL);\\n}\\nEXPORT_SYMBOL(get_user_pages);\",\n \"/**\\n * get_dump_page() - pin user page in memory while writing it to core dump\\n * @addr: user address\\n *\\n * Returns struct page pointer of user page pinned for dump,\\n * to be freed afterwards by page_cache_release() or put_page().\\n *\\n * Returns NULL on any kind of failure - a hole must then be inserted into\\n * the corefile, to preserve alignment with its headers; and also returns\\n * NULL wherever the ZERO_PAGE, or an anonymous pte_none, has been found -\\n * allowing a hole to be left in the corefile to save diskspace.\\n *\\n * Called without mmap_sem, but after all other threads have been killed.\\n */\\n#ifdef CONFIG_ELF_CORE\\nstruct page *get_dump_page(unsigned long addr)\\n{\\n\\tstruct vm_area_struct *vma;\\n\\tstruct page *page;\",\n \"\\tif (__get_user_pages(current, current->mm, addr, 1,\\n\\t\\t\\t FOLL_FORCE | FOLL_DUMP | FOLL_GET, &page, &vma,\\n\\t\\t\\t NULL) < 1)\\n\\t\\treturn NULL;\\n\\tflush_cache_page(vma, addr, page_to_pfn(page));\\n\\treturn page;\\n}\\n#endif /* CONFIG_ELF_CORE */\",\n \"pte_t *__get_locked_pte(struct mm_struct *mm, unsigned long addr,\\n\\t\\t\\tspinlock_t **ptl)\\n{\\n\\tpgd_t * pgd = pgd_offset(mm, addr);\\n\\tpud_t * pud = pud_alloc(mm, pgd, addr);\\n\\tif (pud) {\\n\\t\\tpmd_t * pmd = pmd_alloc(mm, pud, addr);\\n\\t\\tif (pmd) {\\n\\t\\t\\tVM_BUG_ON(pmd_trans_huge(*pmd));\\n\\t\\t\\treturn pte_alloc_map_lock(mm, pmd, addr, ptl);\\n\\t\\t}\\n\\t}\\n\\treturn NULL;\\n}\",\n \"/*\\n * This is the old fallback for page remapping.\\n *\\n * For historical reasons, it only allows reserved pages. Only\\n * old drivers should use this, and they needed to mark their\\n * pages reserved for the old functions anyway.\\n */\\nstatic int insert_page(struct vm_area_struct *vma, unsigned long addr,\\n\\t\\t\\tstruct page *page, pgprot_t prot)\\n{\\n\\tstruct mm_struct *mm = vma->vm_mm;\\n\\tint retval;\\n\\tpte_t *pte;\\n\\tspinlock_t *ptl;\",\n \"\\tretval = -EINVAL;\\n\\tif (PageAnon(page))\\n\\t\\tgoto out;\\n\\tretval = -ENOMEM;\\n\\tflush_dcache_page(page);\\n\\tpte = get_locked_pte(mm, addr, &ptl);\\n\\tif (!pte)\\n\\t\\tgoto out;\\n\\tretval = -EBUSY;\\n\\tif (!pte_none(*pte))\\n\\t\\tgoto out_unlock;\",\n \"\\t/* Ok, finally just insert the thing.. */\\n\\tget_page(page);\\n\\tinc_mm_counter_fast(mm, MM_FILEPAGES);\\n\\tpage_add_file_rmap(page);\\n\\tset_pte_at(mm, addr, pte, mk_pte(page, prot));\",\n \"\\tretval = 0;\\n\\tpte_unmap_unlock(pte, ptl);\\n\\treturn retval;\\nout_unlock:\\n\\tpte_unmap_unlock(pte, ptl);\\nout:\\n\\treturn retval;\\n}\",\n \"/**\\n * vm_insert_page - insert single page into user vma\\n * @vma: user vma to map to\\n * @addr: target user address of this page\\n * @page: source kernel page\\n *\\n * This allows drivers to insert individual pages they've allocated\\n * into a user vma.\\n *\\n * The page has to be a nice clean _individual_ kernel allocation.\\n * If you allocate a compound page, you need to have marked it as\\n * such (__GFP_COMP), or manually just split the page up yourself\\n * (see split_page()).\\n *\\n * NOTE! Traditionally this was done with \\\"remap_pfn_range()\\\" which\\n * took an arbitrary page protection parameter. This doesn't allow\\n * that. Your vma protection will have to be set up correctly, which\\n * means that if you want a shared writable mapping, you'd better\\n * ask for a shared writable mapping!\\n *\\n * The page does not need to be reserved.\\n *\\n * Usually this function is called from f_op->mmap() handler\\n * under mm->mmap_sem write-lock, so it can change vma->vm_flags.\\n * Caller must set VM_MIXEDMAP on vma if it wants to call this\\n * function from other places, for example from page-fault handler.\\n */\\nint vm_insert_page(struct vm_area_struct *vma, unsigned long addr,\\n\\t\\t\\tstruct page *page)\\n{\\n\\tif (addr < vma->vm_start || addr >= vma->vm_end)\\n\\t\\treturn -EFAULT;\\n\\tif (!page_count(page))\\n\\t\\treturn -EINVAL;\\n\\tif (!(vma->vm_flags & VM_MIXEDMAP)) {\\n\\t\\tBUG_ON(down_read_trylock(&vma->vm_mm->mmap_sem));\\n\\t\\tBUG_ON(vma->vm_flags & VM_PFNMAP);\\n\\t\\tvma->vm_flags |= VM_MIXEDMAP;\\n\\t}\\n\\treturn insert_page(vma, addr, page, vma->vm_page_prot);\\n}\\nEXPORT_SYMBOL(vm_insert_page);\",\n \"static int insert_pfn(struct vm_area_struct *vma, unsigned long addr,\\n\\t\\t\\tunsigned long pfn, pgprot_t prot)\\n{\\n\\tstruct mm_struct *mm = vma->vm_mm;\\n\\tint retval;\\n\\tpte_t *pte, entry;\\n\\tspinlock_t *ptl;\",\n \"\\tretval = -ENOMEM;\\n\\tpte = get_locked_pte(mm, addr, &ptl);\\n\\tif (!pte)\\n\\t\\tgoto out;\\n\\tretval = -EBUSY;\\n\\tif (!pte_none(*pte))\\n\\t\\tgoto out_unlock;\",\n \"\\t/* Ok, finally just insert the thing.. */\\n\\tentry = pte_mkspecial(pfn_pte(pfn, prot));\\n\\tset_pte_at(mm, addr, pte, entry);\\n\\tupdate_mmu_cache(vma, addr, pte); /* XXX: why not for insert_page? */\",\n \"\\tretval = 0;\\nout_unlock:\\n\\tpte_unmap_unlock(pte, ptl);\\nout:\\n\\treturn retval;\\n}\",\n \"/**\\n * vm_insert_pfn - insert single pfn into user vma\\n * @vma: user vma to map to\\n * @addr: target user address of this page\\n * @pfn: source kernel pfn\\n *\\n * Similar to vm_insert_page, this allows drivers to insert individual pages\\n * they've allocated into a user vma. Same comments apply.\\n *\\n * This function should only be called from a vm_ops->fault handler, and\\n * in that case the handler should return NULL.\\n *\\n * vma cannot be a COW mapping.\\n *\\n * As this is called only for pages that do not currently exist, we\\n * do not need to flush old virtual caches or the TLB.\\n */\\nint vm_insert_pfn(struct vm_area_struct *vma, unsigned long addr,\\n\\t\\t\\tunsigned long pfn)\\n{\\n\\tint ret;\\n\\tpgprot_t pgprot = vma->vm_page_prot;\\n\\t/*\\n\\t * Technically, architectures with pte_special can avoid all these\\n\\t * restrictions (same for remap_pfn_range). However we would like\\n\\t * consistency in testing and feature parity among all, so we should\\n\\t * try to keep these invariants in place for everybody.\\n\\t */\\n\\tBUG_ON(!(vma->vm_flags & (VM_PFNMAP|VM_MIXEDMAP)));\\n\\tBUG_ON((vma->vm_flags & (VM_PFNMAP|VM_MIXEDMAP)) ==\\n\\t\\t\\t\\t\\t\\t(VM_PFNMAP|VM_MIXEDMAP));\\n\\tBUG_ON((vma->vm_flags & VM_PFNMAP) && is_cow_mapping(vma->vm_flags));\\n\\tBUG_ON((vma->vm_flags & VM_MIXEDMAP) && pfn_valid(pfn));\",\n \"\\tif (addr < vma->vm_start || addr >= vma->vm_end)\\n\\t\\treturn -EFAULT;\\n\\tif (track_pfn_insert(vma, &pgprot, pfn))\\n\\t\\treturn -EINVAL;\",\n \"\\tret = insert_pfn(vma, addr, pfn, pgprot);\",\n \"\\treturn ret;\\n}\\nEXPORT_SYMBOL(vm_insert_pfn);\",\n \"int vm_insert_mixed(struct vm_area_struct *vma, unsigned long addr,\\n\\t\\t\\tunsigned long pfn)\\n{\\n\\tBUG_ON(!(vma->vm_flags & VM_MIXEDMAP));\",\n \"\\tif (addr < vma->vm_start || addr >= vma->vm_end)\\n\\t\\treturn -EFAULT;\",\n \"\\t/*\\n\\t * If we don't have pte special, then we have to use the pfn_valid()\\n\\t * based VM_MIXEDMAP scheme (see vm_normal_page), and thus we *must*\\n\\t * refcount the page if pfn_valid is true (hence insert_page rather\\n\\t * than insert_pfn). If a zero_pfn were inserted into a VM_MIXEDMAP\\n\\t * without pte special, it would there be refcounted as a normal page.\\n\\t */\\n\\tif (!HAVE_PTE_SPECIAL && pfn_valid(pfn)) {\\n\\t\\tstruct page *page;\",\n \"\\t\\tpage = pfn_to_page(pfn);\\n\\t\\treturn insert_page(vma, addr, page, vma->vm_page_prot);\\n\\t}\\n\\treturn insert_pfn(vma, addr, pfn, vma->vm_page_prot);\\n}\\nEXPORT_SYMBOL(vm_insert_mixed);\",\n \"/*\\n * maps a range of physical memory into the requested pages. the old\\n * mappings are removed. any references to nonexistent pages results\\n * in null mappings (currently treated as \\\"copy-on-access\\\")\\n */\\nstatic int remap_pte_range(struct mm_struct *mm, pmd_t *pmd,\\n\\t\\t\\tunsigned long addr, unsigned long end,\\n\\t\\t\\tunsigned long pfn, pgprot_t prot)\\n{\\n\\tpte_t *pte;\\n\\tspinlock_t *ptl;\",\n \"\\tpte = pte_alloc_map_lock(mm, pmd, addr, &ptl);\\n\\tif (!pte)\\n\\t\\treturn -ENOMEM;\\n\\tarch_enter_lazy_mmu_mode();\\n\\tdo {\\n\\t\\tBUG_ON(!pte_none(*pte));\\n\\t\\tset_pte_at(mm, addr, pte, pte_mkspecial(pfn_pte(pfn, prot)));\\n\\t\\tpfn++;\\n\\t} while (pte++, addr += PAGE_SIZE, addr != end);\\n\\tarch_leave_lazy_mmu_mode();\\n\\tpte_unmap_unlock(pte - 1, ptl);\\n\\treturn 0;\\n}\",\n \"static inline int remap_pmd_range(struct mm_struct *mm, pud_t *pud,\\n\\t\\t\\tunsigned long addr, unsigned long end,\\n\\t\\t\\tunsigned long pfn, pgprot_t prot)\\n{\\n\\tpmd_t *pmd;\\n\\tunsigned long next;\",\n \"\\tpfn -= addr >> PAGE_SHIFT;\\n\\tpmd = pmd_alloc(mm, pud, addr);\\n\\tif (!pmd)\\n\\t\\treturn -ENOMEM;\\n\\tVM_BUG_ON(pmd_trans_huge(*pmd));\\n\\tdo {\\n\\t\\tnext = pmd_addr_end(addr, end);\\n\\t\\tif (remap_pte_range(mm, pmd, addr, next,\\n\\t\\t\\t\\tpfn + (addr >> PAGE_SHIFT), prot))\\n\\t\\t\\treturn -ENOMEM;\\n\\t} while (pmd++, addr = next, addr != end);\\n\\treturn 0;\\n}\",\n \"static inline int remap_pud_range(struct mm_struct *mm, pgd_t *pgd,\\n\\t\\t\\tunsigned long addr, unsigned long end,\\n\\t\\t\\tunsigned long pfn, pgprot_t prot)\\n{\\n\\tpud_t *pud;\\n\\tunsigned long next;\",\n \"\\tpfn -= addr >> PAGE_SHIFT;\\n\\tpud = pud_alloc(mm, pgd, addr);\\n\\tif (!pud)\\n\\t\\treturn -ENOMEM;\\n\\tdo {\\n\\t\\tnext = pud_addr_end(addr, end);\\n\\t\\tif (remap_pmd_range(mm, pud, addr, next,\\n\\t\\t\\t\\tpfn + (addr >> PAGE_SHIFT), prot))\\n\\t\\t\\treturn -ENOMEM;\\n\\t} while (pud++, addr = next, addr != end);\\n\\treturn 0;\\n}\",\n \"/**\\n * remap_pfn_range - remap kernel memory to userspace\\n * @vma: user vma to map to\\n * @addr: target user address to start at\\n * @pfn: physical address of kernel memory\\n * @size: size of map area\\n * @prot: page protection flags for this mapping\\n *\\n * Note: this is only safe if the mm semaphore is held when called.\\n */\\nint remap_pfn_range(struct vm_area_struct *vma, unsigned long addr,\\n\\t\\t unsigned long pfn, unsigned long size, pgprot_t prot)\\n{\\n\\tpgd_t *pgd;\\n\\tunsigned long next;\\n\\tunsigned long end = addr + PAGE_ALIGN(size);\\n\\tstruct mm_struct *mm = vma->vm_mm;\\n\\tint err;\",\n \"\\t/*\\n\\t * Physically remapped pages are special. Tell the\\n\\t * rest of the world about it:\\n\\t * VM_IO tells people not to look at these pages\\n\\t *\\t(accesses can have side effects).\\n\\t * VM_PFNMAP tells the core MM that the base pages are just\\n\\t *\\traw PFN mappings, and do not have a \\\"struct page\\\" associated\\n\\t *\\twith them.\\n\\t * VM_DONTEXPAND\\n\\t * Disable vma merging and expanding with mremap().\\n\\t * VM_DONTDUMP\\n\\t * Omit vma from core dump, even when VM_IO turned off.\\n\\t *\\n\\t * There's a horrible special case to handle copy-on-write\\n\\t * behaviour that some programs depend on. We mark the \\\"original\\\"\\n\\t * un-COW'ed pages by matching them up with \\\"vma->vm_pgoff\\\".\\n\\t * See vm_normal_page() for details.\\n\\t */\\n\\tif (is_cow_mapping(vma->vm_flags)) {\\n\\t\\tif (addr != vma->vm_start || end != vma->vm_end)\\n\\t\\t\\treturn -EINVAL;\\n\\t\\tvma->vm_pgoff = pfn;\\n\\t}\",\n \"\\terr = track_pfn_remap(vma, &prot, pfn, addr, PAGE_ALIGN(size));\\n\\tif (err)\\n\\t\\treturn -EINVAL;\",\n \"\\tvma->vm_flags |= VM_IO | VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP;\",\n \"\\tBUG_ON(addr >= end);\\n\\tpfn -= addr >> PAGE_SHIFT;\\n\\tpgd = pgd_offset(mm, addr);\\n\\tflush_cache_range(vma, addr, end);\\n\\tdo {\\n\\t\\tnext = pgd_addr_end(addr, end);\\n\\t\\terr = remap_pud_range(mm, pgd, addr, next,\\n\\t\\t\\t\\tpfn + (addr >> PAGE_SHIFT), prot);\\n\\t\\tif (err)\\n\\t\\t\\tbreak;\\n\\t} while (pgd++, addr = next, addr != end);\",\n \"\\tif (err)\\n\\t\\tuntrack_pfn(vma, pfn, PAGE_ALIGN(size));\",\n \"\\treturn err;\\n}\\nEXPORT_SYMBOL(remap_pfn_range);\\n\",\n \"/**\\n * vm_iomap_memory - remap memory to userspace\\n * @vma: user vma to map to\\n * @start: start of area\\n * @len: size of area\\n *\\n * This is a simplified io_remap_pfn_range() for common driver use. The\\n * driver just needs to give us the physical memory range to be mapped,\\n * we'll figure out the rest from the vma information.\\n *\\n * NOTE! Some drivers might want to tweak vma->vm_page_prot first to get\\n * whatever write-combining details or similar.\\n */\\nint vm_iomap_memory(struct vm_area_struct *vma, phys_addr_t start, unsigned long len)\\n{\\n\\tunsigned long vm_len, pfn, pages;\",\n \"\\t/* Check that the physical memory area passed in looks valid */\\n\\tif (start + len < start)\\n\\t\\treturn -EINVAL;\\n\\t/*\\n\\t * You *really* shouldn't map things that aren't page-aligned,\\n\\t * but we've historically allowed it because IO memory might\\n\\t * just have smaller alignment.\\n\\t */\\n\\tlen += start & ~PAGE_MASK;\\n\\tpfn = start >> PAGE_SHIFT;\\n\\tpages = (len + ~PAGE_MASK) >> PAGE_SHIFT;\\n\\tif (pfn + pages < pfn)\\n\\t\\treturn -EINVAL;\",\n \"\\t/* We start the mapping 'vm_pgoff' pages into the area */\\n\\tif (vma->vm_pgoff > pages)\\n\\t\\treturn -EINVAL;\\n\\tpfn += vma->vm_pgoff;\\n\\tpages -= vma->vm_pgoff;\",\n \"\\t/* Can we fit all of the mapping? */\\n\\tvm_len = vma->vm_end - vma->vm_start;\\n\\tif (vm_len >> PAGE_SHIFT > pages)\\n\\t\\treturn -EINVAL;\",\n \"\\t/* Ok, let it rip */\\n\\treturn io_remap_pfn_range(vma, vma->vm_start, pfn, vm_len, vma->vm_page_prot);\\n}\\nEXPORT_SYMBOL(vm_iomap_memory);\\n\",\n \"static int apply_to_pte_range(struct mm_struct *mm, pmd_t *pmd,\\n\\t\\t\\t\\t unsigned long addr, unsigned long end,\\n\\t\\t\\t\\t pte_fn_t fn, void *data)\\n{\\n\\tpte_t *pte;\\n\\tint err;\\n\\tpgtable_t token;\\n\\tspinlock_t *uninitialized_var(ptl);\",\n \"\\tpte = (mm == &init_mm) ?\\n\\t\\tpte_alloc_kernel(pmd, addr) :\\n\\t\\tpte_alloc_map_lock(mm, pmd, addr, &ptl);\\n\\tif (!pte)\\n\\t\\treturn -ENOMEM;\",\n \"\\tBUG_ON(pmd_huge(*pmd));\",\n \"\\tarch_enter_lazy_mmu_mode();\",\n \"\\ttoken = pmd_pgtable(*pmd);\",\n \"\\tdo {\\n\\t\\terr = fn(pte++, token, addr, data);\\n\\t\\tif (err)\\n\\t\\t\\tbreak;\\n\\t} while (addr += PAGE_SIZE, addr != end);\",\n \"\\tarch_leave_lazy_mmu_mode();\",\n \"\\tif (mm != &init_mm)\\n\\t\\tpte_unmap_unlock(pte-1, ptl);\\n\\treturn err;\\n}\",\n \"static int apply_to_pmd_range(struct mm_struct *mm, pud_t *pud,\\n\\t\\t\\t\\t unsigned long addr, unsigned long end,\\n\\t\\t\\t\\t pte_fn_t fn, void *data)\\n{\\n\\tpmd_t *pmd;\\n\\tunsigned long next;\\n\\tint err;\",\n \"\\tBUG_ON(pud_huge(*pud));\",\n \"\\tpmd = pmd_alloc(mm, pud, addr);\\n\\tif (!pmd)\\n\\t\\treturn -ENOMEM;\\n\\tdo {\\n\\t\\tnext = pmd_addr_end(addr, end);\\n\\t\\terr = apply_to_pte_range(mm, pmd, addr, next, fn, data);\\n\\t\\tif (err)\\n\\t\\t\\tbreak;\\n\\t} while (pmd++, addr = next, addr != end);\\n\\treturn err;\\n}\",\n \"static int apply_to_pud_range(struct mm_struct *mm, pgd_t *pgd,\\n\\t\\t\\t\\t unsigned long addr, unsigned long end,\\n\\t\\t\\t\\t pte_fn_t fn, void *data)\\n{\\n\\tpud_t *pud;\\n\\tunsigned long next;\\n\\tint err;\",\n \"\\tpud = pud_alloc(mm, pgd, addr);\\n\\tif (!pud)\\n\\t\\treturn -ENOMEM;\\n\\tdo {\\n\\t\\tnext = pud_addr_end(addr, end);\\n\\t\\terr = apply_to_pmd_range(mm, pud, addr, next, fn, data);\\n\\t\\tif (err)\\n\\t\\t\\tbreak;\\n\\t} while (pud++, addr = next, addr != end);\\n\\treturn err;\\n}\",\n \"/*\\n * Scan a region of virtual memory, filling in page tables as necessary\\n * and calling a provided function on each leaf page table.\\n */\\nint apply_to_page_range(struct mm_struct *mm, unsigned long addr,\\n\\t\\t\\tunsigned long size, pte_fn_t fn, void *data)\\n{\\n\\tpgd_t *pgd;\\n\\tunsigned long next;\\n\\tunsigned long end = addr + size;\\n\\tint err;\",\n \"\\tBUG_ON(addr >= end);\\n\\tpgd = pgd_offset(mm, addr);\\n\\tdo {\\n\\t\\tnext = pgd_addr_end(addr, end);\\n\\t\\terr = apply_to_pud_range(mm, pgd, addr, next, fn, data);\\n\\t\\tif (err)\\n\\t\\t\\tbreak;\\n\\t} while (pgd++, addr = next, addr != end);\",\n \"\\treturn err;\\n}\\nEXPORT_SYMBOL_GPL(apply_to_page_range);\",\n \"/*\\n * handle_pte_fault chooses page fault handler according to an entry\\n * which was read non-atomically. Before making any commitment, on\\n * those architectures or configurations (e.g. i386 with PAE) which\\n * might give a mix of unmatched parts, do_swap_page and do_nonlinear_fault\\n * must check under lock before unmapping the pte and proceeding\\n * (but do_wp_page is only called after already making such a check;\\n * and do_anonymous_page can safely check later on).\\n */\\nstatic inline int pte_unmap_same(struct mm_struct *mm, pmd_t *pmd,\\n\\t\\t\\t\\tpte_t *page_table, pte_t orig_pte)\\n{\\n\\tint same = 1;\\n#if defined(CONFIG_SMP) || defined(CONFIG_PREEMPT)\\n\\tif (sizeof(pte_t) > sizeof(unsigned long)) {\\n\\t\\tspinlock_t *ptl = pte_lockptr(mm, pmd);\\n\\t\\tspin_lock(ptl);\\n\\t\\tsame = pte_same(*page_table, orig_pte);\\n\\t\\tspin_unlock(ptl);\\n\\t}\\n#endif\\n\\tpte_unmap(page_table);\\n\\treturn same;\\n}\",\n \"static inline void cow_user_page(struct page *dst, struct page *src, unsigned long va, struct vm_area_struct *vma)\\n{\\n\\t/*\\n\\t * If the source page was a PFN mapping, we don't have\\n\\t * a \\\"struct page\\\" for it. We do a best-effort copy by\\n\\t * just copying from the original user address. If that\\n\\t * fails, we just zero-fill it. Live with it.\\n\\t */\\n\\tif (unlikely(!src)) {\\n\\t\\tvoid *kaddr = kmap_atomic(dst);\\n\\t\\tvoid __user *uaddr = (void __user *)(va & PAGE_MASK);\",\n \"\\t\\t/*\\n\\t\\t * This really shouldn't fail, because the page is there\\n\\t\\t * in the page tables. But it might just be unreadable,\\n\\t\\t * in which case we just give up and fill the result with\\n\\t\\t * zeroes.\\n\\t\\t */\\n\\t\\tif (__copy_from_user_inatomic(kaddr, uaddr, PAGE_SIZE))\\n\\t\\t\\tclear_page(kaddr);\\n\\t\\tkunmap_atomic(kaddr);\\n\\t\\tflush_dcache_page(dst);\\n\\t} else\\n\\t\\tcopy_user_highpage(dst, src, va, vma);\\n}\",\n \"/*\\n * This routine handles present pages, when users try to write\\n * to a shared page. It is done by copying the page to a new address\\n * and decrementing the shared-page counter for the old page.\\n *\\n * Note that this routine assumes that the protection checks have been\\n * done by the caller (the low-level page fault routine in most cases).\\n * Thus we can safely just mark it writable once we've done any necessary\\n * COW.\\n *\\n * We also mark the page dirty at this point even though the page will\\n * change only once the write actually happens. This avoids a few races,\\n * and potentially makes it more efficient.\\n *\\n * We enter with non-exclusive mmap_sem (to exclude vma changes,\\n * but allow concurrent faults), with pte both mapped and locked.\\n * We return with mmap_sem still held, but pte unmapped and unlocked.\\n */\\nstatic int do_wp_page(struct mm_struct *mm, struct vm_area_struct *vma,\\n\\t\\tunsigned long address, pte_t *page_table, pmd_t *pmd,\\n\\t\\tspinlock_t *ptl, pte_t orig_pte)\\n\\t__releases(ptl)\\n{\\n\\tstruct page *old_page, *new_page = NULL;\\n\\tpte_t entry;\\n\\tint ret = 0;\\n\\tint page_mkwrite = 0;\\n\\tstruct page *dirty_page = NULL;\\n\\tunsigned long mmun_start = 0;\\t/* For mmu_notifiers */\\n\\tunsigned long mmun_end = 0;\\t/* For mmu_notifiers */\",\n \"\\told_page = vm_normal_page(vma, address, orig_pte);\\n\\tif (!old_page) {\\n\\t\\t/*\\n\\t\\t * VM_MIXEDMAP !pfn_valid() case\\n\\t\\t *\\n\\t\\t * We should not cow pages in a shared writeable mapping.\\n\\t\\t * Just mark the pages writable as we can't do any dirty\\n\\t\\t * accounting on raw pfn maps.\\n\\t\\t */\\n\\t\\tif ((vma->vm_flags & (VM_WRITE|VM_SHARED)) ==\\n\\t\\t\\t\\t (VM_WRITE|VM_SHARED))\\n\\t\\t\\tgoto reuse;\\n\\t\\tgoto gotten;\\n\\t}\",\n \"\\t/*\\n\\t * Take out anonymous pages first, anonymous shared vmas are\\n\\t * not dirty accountable.\\n\\t */\\n\\tif (PageAnon(old_page) && !PageKsm(old_page)) {\\n\\t\\tif (!trylock_page(old_page)) {\\n\\t\\t\\tpage_cache_get(old_page);\\n\\t\\t\\tpte_unmap_unlock(page_table, ptl);\\n\\t\\t\\tlock_page(old_page);\\n\\t\\t\\tpage_table = pte_offset_map_lock(mm, pmd, address,\\n\\t\\t\\t\\t\\t\\t\\t &ptl);\\n\\t\\t\\tif (!pte_same(*page_table, orig_pte)) {\\n\\t\\t\\t\\tunlock_page(old_page);\\n\\t\\t\\t\\tgoto unlock;\\n\\t\\t\\t}\\n\\t\\t\\tpage_cache_release(old_page);\\n\\t\\t}\\n\\t\\tif (reuse_swap_page(old_page)) {\\n\\t\\t\\t/*\\n\\t\\t\\t * The page is all ours. Move it to our anon_vma so\\n\\t\\t\\t * the rmap code will not search our parent or siblings.\\n\\t\\t\\t * Protected against the rmap code by the page lock.\\n\\t\\t\\t */\\n\\t\\t\\tpage_move_anon_rmap(old_page, vma, address);\\n\\t\\t\\tunlock_page(old_page);\\n\\t\\t\\tgoto reuse;\\n\\t\\t}\\n\\t\\tunlock_page(old_page);\\n\\t} else if (unlikely((vma->vm_flags & (VM_WRITE|VM_SHARED)) ==\\n\\t\\t\\t\\t\\t(VM_WRITE|VM_SHARED))) {\\n\\t\\t/*\\n\\t\\t * Only catch write-faults on shared writable pages,\\n\\t\\t * read-only shared pages can get COWed by\\n\\t\\t * get_user_pages(.write=1, .force=1).\\n\\t\\t */\\n\\t\\tif (vma->vm_ops && vma->vm_ops->page_mkwrite) {\\n\\t\\t\\tstruct vm_fault vmf;\\n\\t\\t\\tint tmp;\",\n \"\\t\\t\\tvmf.virtual_address = (void __user *)(address &\\n\\t\\t\\t\\t\\t\\t\\t\\tPAGE_MASK);\\n\\t\\t\\tvmf.pgoff = old_page->index;\\n\\t\\t\\tvmf.flags = FAULT_FLAG_WRITE|FAULT_FLAG_MKWRITE;\\n\\t\\t\\tvmf.page = old_page;\",\n \"\\t\\t\\t/*\\n\\t\\t\\t * Notify the address space that the page is about to\\n\\t\\t\\t * become writable so that it can prohibit this or wait\\n\\t\\t\\t * for the page to get into an appropriate state.\\n\\t\\t\\t *\\n\\t\\t\\t * We do this without the lock held, so that it can\\n\\t\\t\\t * sleep if it needs to.\\n\\t\\t\\t */\\n\\t\\t\\tpage_cache_get(old_page);\\n\\t\\t\\tpte_unmap_unlock(page_table, ptl);\",\n \"\\t\\t\\ttmp = vma->vm_ops->page_mkwrite(vma, &vmf);\\n\\t\\t\\tif (unlikely(tmp &\\n\\t\\t\\t\\t\\t(VM_FAULT_ERROR | VM_FAULT_NOPAGE))) {\\n\\t\\t\\t\\tret = tmp;\\n\\t\\t\\t\\tgoto unwritable_page;\\n\\t\\t\\t}\\n\\t\\t\\tif (unlikely(!(tmp & VM_FAULT_LOCKED))) {\\n\\t\\t\\t\\tlock_page(old_page);\\n\\t\\t\\t\\tif (!old_page->mapping) {\\n\\t\\t\\t\\t\\tret = 0; /* retry the fault */\\n\\t\\t\\t\\t\\tunlock_page(old_page);\\n\\t\\t\\t\\t\\tgoto unwritable_page;\\n\\t\\t\\t\\t}\\n\\t\\t\\t} else\\n\\t\\t\\t\\tVM_BUG_ON(!PageLocked(old_page));\",\n \"\\t\\t\\t/*\\n\\t\\t\\t * Since we dropped the lock we need to revalidate\\n\\t\\t\\t * the PTE as someone else may have changed it. If\\n\\t\\t\\t * they did, we just return, as we can count on the\\n\\t\\t\\t * MMU to tell us if they didn't also make it writable.\\n\\t\\t\\t */\\n\\t\\t\\tpage_table = pte_offset_map_lock(mm, pmd, address,\\n\\t\\t\\t\\t\\t\\t\\t &ptl);\\n\\t\\t\\tif (!pte_same(*page_table, orig_pte)) {\\n\\t\\t\\t\\tunlock_page(old_page);\\n\\t\\t\\t\\tgoto unlock;\\n\\t\\t\\t}\",\n \"\\t\\t\\tpage_mkwrite = 1;\\n\\t\\t}\\n\\t\\tdirty_page = old_page;\\n\\t\\tget_page(dirty_page);\",\n \"reuse:\\n\\t\\tflush_cache_page(vma, address, pte_pfn(orig_pte));\\n\\t\\tentry = pte_mkyoung(orig_pte);\\n\\t\\tentry = maybe_mkwrite(pte_mkdirty(entry), vma);\\n\\t\\tif (ptep_set_access_flags(vma, address, page_table, entry,1))\\n\\t\\t\\tupdate_mmu_cache(vma, address, page_table);\\n\\t\\tpte_unmap_unlock(page_table, ptl);\\n\\t\\tret |= VM_FAULT_WRITE;\",\n \"\\t\\tif (!dirty_page)\\n\\t\\t\\treturn ret;\",\n \"\\t\\t/*\\n\\t\\t * Yes, Virginia, this is actually required to prevent a race\\n\\t\\t * with clear_page_dirty_for_io() from clearing the page dirty\\n\\t\\t * bit after it clear all dirty ptes, but before a racing\\n\\t\\t * do_wp_page installs a dirty pte.\\n\\t\\t *\\n\\t\\t * __do_fault is protected similarly.\\n\\t\\t */\\n\\t\\tif (!page_mkwrite) {\\n\\t\\t\\twait_on_page_locked(dirty_page);\\n\\t\\t\\tset_page_dirty_balance(dirty_page, page_mkwrite);\\n\\t\\t\\t/* file_update_time outside page_lock */\\n\\t\\t\\tif (vma->vm_file)\\n\\t\\t\\t\\tfile_update_time(vma->vm_file);\\n\\t\\t}\\n\\t\\tput_page(dirty_page);\\n\\t\\tif (page_mkwrite) {\\n\\t\\t\\tstruct address_space *mapping = dirty_page->mapping;\",\n \"\\t\\t\\tset_page_dirty(dirty_page);\\n\\t\\t\\tunlock_page(dirty_page);\\n\\t\\t\\tpage_cache_release(dirty_page);\\n\\t\\t\\tif (mapping)\\t{\\n\\t\\t\\t\\t/*\\n\\t\\t\\t\\t * Some device drivers do not set page.mapping\\n\\t\\t\\t\\t * but still dirty their pages\\n\\t\\t\\t\\t */\\n\\t\\t\\t\\tbalance_dirty_pages_ratelimited(mapping);\\n\\t\\t\\t}\\n\\t\\t}\",\n \"\\t\\treturn ret;\\n\\t}\",\n \"\\t/*\\n\\t * Ok, we need to copy. Oh, well..\\n\\t */\\n\\tpage_cache_get(old_page);\\ngotten:\\n\\tpte_unmap_unlock(page_table, ptl);\",\n \"\\tif (unlikely(anon_vma_prepare(vma)))\\n\\t\\tgoto oom;\",\n \"\\tif (is_zero_pfn(pte_pfn(orig_pte))) {\\n\\t\\tnew_page = alloc_zeroed_user_highpage_movable(vma, address);\\n\\t\\tif (!new_page)\\n\\t\\t\\tgoto oom;\\n\\t} else {\\n\\t\\tnew_page = alloc_page_vma(GFP_HIGHUSER_MOVABLE, vma, address);\\n\\t\\tif (!new_page)\\n\\t\\t\\tgoto oom;\\n\\t\\tcow_user_page(new_page, old_page, address, vma);\\n\\t}\\n\\t__SetPageUptodate(new_page);\",\n \"\\tif (mem_cgroup_newpage_charge(new_page, mm, GFP_KERNEL))\\n\\t\\tgoto oom_free_new;\",\n \"\\tmmun_start = address & PAGE_MASK;\\n\\tmmun_end = mmun_start + PAGE_SIZE;\\n\\tmmu_notifier_invalidate_range_start(mm, mmun_start, mmun_end);\",\n \"\\t/*\\n\\t * Re-check the pte - we dropped the lock\\n\\t */\\n\\tpage_table = pte_offset_map_lock(mm, pmd, address, &ptl);\\n\\tif (likely(pte_same(*page_table, orig_pte))) {\\n\\t\\tif (old_page) {\\n\\t\\t\\tif (!PageAnon(old_page)) {\\n\\t\\t\\t\\tdec_mm_counter_fast(mm, MM_FILEPAGES);\\n\\t\\t\\t\\tinc_mm_counter_fast(mm, MM_ANONPAGES);\\n\\t\\t\\t}\\n\\t\\t} else\\n\\t\\t\\tinc_mm_counter_fast(mm, MM_ANONPAGES);\\n\\t\\tflush_cache_page(vma, address, pte_pfn(orig_pte));\\n\\t\\tentry = mk_pte(new_page, vma->vm_page_prot);\\n\\t\\tentry = maybe_mkwrite(pte_mkdirty(entry), vma);\\n\\t\\t/*\\n\\t\\t * Clear the pte entry and flush it first, before updating the\\n\\t\\t * pte with the new entry. This will avoid a race condition\\n\\t\\t * seen in the presence of one thread doing SMC and another\\n\\t\\t * thread doing COW.\\n\\t\\t */\\n\\t\\tptep_clear_flush(vma, address, page_table);\\n\\t\\tpage_add_new_anon_rmap(new_page, vma, address);\\n\\t\\t/*\\n\\t\\t * We call the notify macro here because, when using secondary\\n\\t\\t * mmu page tables (such as kvm shadow page tables), we want the\\n\\t\\t * new page to be mapped directly into the secondary page table.\\n\\t\\t */\\n\\t\\tset_pte_at_notify(mm, address, page_table, entry);\\n\\t\\tupdate_mmu_cache(vma, address, page_table);\\n\\t\\tif (old_page) {\\n\\t\\t\\t/*\\n\\t\\t\\t * Only after switching the pte to the new page may\\n\\t\\t\\t * we remove the mapcount here. Otherwise another\\n\\t\\t\\t * process may come and find the rmap count decremented\\n\\t\\t\\t * before the pte is switched to the new page, and\\n\\t\\t\\t * \\\"reuse\\\" the old page writing into it while our pte\\n\\t\\t\\t * here still points into it and can be read by other\\n\\t\\t\\t * threads.\\n\\t\\t\\t *\\n\\t\\t\\t * The critical issue is to order this\\n\\t\\t\\t * page_remove_rmap with the ptp_clear_flush above.\\n\\t\\t\\t * Those stores are ordered by (if nothing else,)\\n\\t\\t\\t * the barrier present in the atomic_add_negative\\n\\t\\t\\t * in page_remove_rmap.\\n\\t\\t\\t *\\n\\t\\t\\t * Then the TLB flush in ptep_clear_flush ensures that\\n\\t\\t\\t * no process can access the old page before the\\n\\t\\t\\t * decremented mapcount is visible. And the old page\\n\\t\\t\\t * cannot be reused until after the decremented\\n\\t\\t\\t * mapcount is visible. So transitively, TLBs to\\n\\t\\t\\t * old page will be flushed before it can be reused.\\n\\t\\t\\t */\\n\\t\\t\\tpage_remove_rmap(old_page);\\n\\t\\t}\",\n \"\\t\\t/* Free the old page.. */\\n\\t\\tnew_page = old_page;\\n\\t\\tret |= VM_FAULT_WRITE;\\n\\t} else\\n\\t\\tmem_cgroup_uncharge_page(new_page);\",\n \"\\tif (new_page)\\n\\t\\tpage_cache_release(new_page);\\nunlock:\\n\\tpte_unmap_unlock(page_table, ptl);\\n\\tif (mmun_end > mmun_start)\\n\\t\\tmmu_notifier_invalidate_range_end(mm, mmun_start, mmun_end);\\n\\tif (old_page) {\\n\\t\\t/*\\n\\t\\t * Don't let another task, with possibly unlocked vma,\\n\\t\\t * keep the mlocked page.\\n\\t\\t */\\n\\t\\tif ((ret & VM_FAULT_WRITE) && (vma->vm_flags & VM_LOCKED)) {\\n\\t\\t\\tlock_page(old_page);\\t/* LRU manipulation */\\n\\t\\t\\tmunlock_vma_page(old_page);\\n\\t\\t\\tunlock_page(old_page);\\n\\t\\t}\\n\\t\\tpage_cache_release(old_page);\\n\\t}\\n\\treturn ret;\\noom_free_new:\\n\\tpage_cache_release(new_page);\\noom:\\n\\tif (old_page)\\n\\t\\tpage_cache_release(old_page);\\n\\treturn VM_FAULT_OOM;\",\n \"unwritable_page:\\n\\tpage_cache_release(old_page);\\n\\treturn ret;\\n}\",\n \"static void unmap_mapping_range_vma(struct vm_area_struct *vma,\\n\\t\\tunsigned long start_addr, unsigned long end_addr,\\n\\t\\tstruct zap_details *details)\\n{\\n\\tzap_page_range_single(vma, start_addr, end_addr - start_addr, details);\\n}\",\n \"static inline void unmap_mapping_range_tree(struct rb_root *root,\\n\\t\\t\\t\\t\\t struct zap_details *details)\\n{\\n\\tstruct vm_area_struct *vma;\\n\\tpgoff_t vba, vea, zba, zea;\",\n \"\\tvma_interval_tree_foreach(vma, root,\\n\\t\\t\\tdetails->first_index, details->last_index) {\",\n \"\\t\\tvba = vma->vm_pgoff;\\n\\t\\tvea = vba + ((vma->vm_end - vma->vm_start) >> PAGE_SHIFT) - 1;\\n\\t\\t/* Assume for now that PAGE_CACHE_SHIFT == PAGE_SHIFT */\\n\\t\\tzba = details->first_index;\\n\\t\\tif (zba < vba)\\n\\t\\t\\tzba = vba;\\n\\t\\tzea = details->last_index;\\n\\t\\tif (zea > vea)\\n\\t\\t\\tzea = vea;\",\n \"\\t\\tunmap_mapping_range_vma(vma,\\n\\t\\t\\t((zba - vba) << PAGE_SHIFT) + vma->vm_start,\\n\\t\\t\\t((zea - vba + 1) << PAGE_SHIFT) + vma->vm_start,\\n\\t\\t\\t\\tdetails);\\n\\t}\\n}\",\n \"static inline void unmap_mapping_range_list(struct list_head *head,\\n\\t\\t\\t\\t\\t struct zap_details *details)\\n{\\n\\tstruct vm_area_struct *vma;\",\n \"\\t/*\\n\\t * In nonlinear VMAs there is no correspondence between virtual address\\n\\t * offset and file offset. So we must perform an exhaustive search\\n\\t * across *all* the pages in each nonlinear VMA, not just the pages\\n\\t * whose virtual address lies outside the file truncation point.\\n\\t */\\n\\tlist_for_each_entry(vma, head, shared.nonlinear) {\\n\\t\\tdetails->nonlinear_vma = vma;\\n\\t\\tunmap_mapping_range_vma(vma, vma->vm_start, vma->vm_end, details);\\n\\t}\\n}\",\n \"/**\\n * unmap_mapping_range - unmap the portion of all mmaps in the specified address_space corresponding to the specified page range in the underlying file.\\n * @mapping: the address space containing mmaps to be unmapped.\\n * @holebegin: byte in first page to unmap, relative to the start of\\n * the underlying file. This will be rounded down to a PAGE_SIZE\\n * boundary. Note that this is different from truncate_pagecache(), which\\n * must keep the partial page. In contrast, we must get rid of\\n * partial pages.\\n * @holelen: size of prospective hole in bytes. This will be rounded\\n * up to a PAGE_SIZE boundary. A holelen of zero truncates to the\\n * end of the file.\\n * @even_cows: 1 when truncating a file, unmap even private COWed pages;\\n * but 0 when invalidating pagecache, don't throw away private data.\\n */\\nvoid unmap_mapping_range(struct address_space *mapping,\\n\\t\\tloff_t const holebegin, loff_t const holelen, int even_cows)\\n{\\n\\tstruct zap_details details;\\n\\tpgoff_t hba = holebegin >> PAGE_SHIFT;\\n\\tpgoff_t hlen = (holelen + PAGE_SIZE - 1) >> PAGE_SHIFT;\",\n \"\\t/* Check for overflow. */\\n\\tif (sizeof(holelen) > sizeof(hlen)) {\\n\\t\\tlong long holeend =\\n\\t\\t\\t(holebegin + holelen + PAGE_SIZE - 1) >> PAGE_SHIFT;\\n\\t\\tif (holeend & ~(long long)ULONG_MAX)\\n\\t\\t\\thlen = ULONG_MAX - hba + 1;\\n\\t}\",\n \"\\tdetails.check_mapping = even_cows? NULL: mapping;\\n\\tdetails.nonlinear_vma = NULL;\\n\\tdetails.first_index = hba;\\n\\tdetails.last_index = hba + hlen - 1;\\n\\tif (details.last_index < details.first_index)\\n\\t\\tdetails.last_index = ULONG_MAX;\",\n \"\\n\\tmutex_lock(&mapping->i_mmap_mutex);\\n\\tif (unlikely(!RB_EMPTY_ROOT(&mapping->i_mmap)))\\n\\t\\tunmap_mapping_range_tree(&mapping->i_mmap, &details);\\n\\tif (unlikely(!list_empty(&mapping->i_mmap_nonlinear)))\\n\\t\\tunmap_mapping_range_list(&mapping->i_mmap_nonlinear, &details);\\n\\tmutex_unlock(&mapping->i_mmap_mutex);\\n}\\nEXPORT_SYMBOL(unmap_mapping_range);\",\n \"/*\\n * We enter with non-exclusive mmap_sem (to exclude vma changes,\\n * but allow concurrent faults), and pte mapped but not yet locked.\\n * We return with mmap_sem still held, but pte unmapped and unlocked.\\n */\\nstatic int do_swap_page(struct mm_struct *mm, struct vm_area_struct *vma,\\n\\t\\tunsigned long address, pte_t *page_table, pmd_t *pmd,\\n\\t\\tunsigned int flags, pte_t orig_pte)\\n{\\n\\tspinlock_t *ptl;\\n\\tstruct page *page, *swapcache;\\n\\tswp_entry_t entry;\\n\\tpte_t pte;\\n\\tint locked;\\n\\tstruct mem_cgroup *ptr;\\n\\tint exclusive = 0;\\n\\tint ret = 0;\",\n \"\\tif (!pte_unmap_same(mm, pmd, page_table, orig_pte))\\n\\t\\tgoto out;\",\n \"\\tentry = pte_to_swp_entry(orig_pte);\\n\\tif (unlikely(non_swap_entry(entry))) {\\n\\t\\tif (is_migration_entry(entry)) {\\n\\t\\t\\tmigration_entry_wait(mm, pmd, address);\\n\\t\\t} else if (is_hwpoison_entry(entry)) {\\n\\t\\t\\tret = VM_FAULT_HWPOISON;\\n\\t\\t} else {\\n\\t\\t\\tprint_bad_pte(vma, address, orig_pte, NULL);\\n\\t\\t\\tret = VM_FAULT_SIGBUS;\\n\\t\\t}\\n\\t\\tgoto out;\\n\\t}\\n\\tdelayacct_set_flag(DELAYACCT_PF_SWAPIN);\\n\\tpage = lookup_swap_cache(entry);\\n\\tif (!page) {\\n\\t\\tpage = swapin_readahead(entry,\\n\\t\\t\\t\\t\\tGFP_HIGHUSER_MOVABLE, vma, address);\\n\\t\\tif (!page) {\\n\\t\\t\\t/*\\n\\t\\t\\t * Back out if somebody else faulted in this pte\\n\\t\\t\\t * while we released the pte lock.\\n\\t\\t\\t */\\n\\t\\t\\tpage_table = pte_offset_map_lock(mm, pmd, address, &ptl);\\n\\t\\t\\tif (likely(pte_same(*page_table, orig_pte)))\\n\\t\\t\\t\\tret = VM_FAULT_OOM;\\n\\t\\t\\tdelayacct_clear_flag(DELAYACCT_PF_SWAPIN);\\n\\t\\t\\tgoto unlock;\\n\\t\\t}\",\n \"\\t\\t/* Had to read the page from swap area: Major fault */\\n\\t\\tret = VM_FAULT_MAJOR;\\n\\t\\tcount_vm_event(PGMAJFAULT);\\n\\t\\tmem_cgroup_count_vm_event(mm, PGMAJFAULT);\\n\\t} else if (PageHWPoison(page)) {\\n\\t\\t/*\\n\\t\\t * hwpoisoned dirty swapcache pages are kept for killing\\n\\t\\t * owner processes (which may be unknown at hwpoison time)\\n\\t\\t */\\n\\t\\tret = VM_FAULT_HWPOISON;\\n\\t\\tdelayacct_clear_flag(DELAYACCT_PF_SWAPIN);\\n\\t\\tswapcache = page;\\n\\t\\tgoto out_release;\\n\\t}\",\n \"\\tswapcache = page;\\n\\tlocked = lock_page_or_retry(page, mm, flags);\",\n \"\\tdelayacct_clear_flag(DELAYACCT_PF_SWAPIN);\\n\\tif (!locked) {\\n\\t\\tret |= VM_FAULT_RETRY;\\n\\t\\tgoto out_release;\\n\\t}\",\n \"\\t/*\\n\\t * Make sure try_to_free_swap or reuse_swap_page or swapoff did not\\n\\t * release the swapcache from under us. The page pin, and pte_same\\n\\t * test below, are not enough to exclude that. Even if it is still\\n\\t * swapcache, we need to check that the page's swap has not changed.\\n\\t */\\n\\tif (unlikely(!PageSwapCache(page) || page_private(page) != entry.val))\\n\\t\\tgoto out_page;\",\n \"\\tpage = ksm_might_need_to_copy(page, vma, address);\\n\\tif (unlikely(!page)) {\\n\\t\\tret = VM_FAULT_OOM;\\n\\t\\tpage = swapcache;\\n\\t\\tgoto out_page;\\n\\t}\",\n \"\\tif (mem_cgroup_try_charge_swapin(mm, page, GFP_KERNEL, &ptr)) {\\n\\t\\tret = VM_FAULT_OOM;\\n\\t\\tgoto out_page;\\n\\t}\",\n \"\\t/*\\n\\t * Back out if somebody else already faulted in this pte.\\n\\t */\\n\\tpage_table = pte_offset_map_lock(mm, pmd, address, &ptl);\\n\\tif (unlikely(!pte_same(*page_table, orig_pte)))\\n\\t\\tgoto out_nomap;\",\n \"\\tif (unlikely(!PageUptodate(page))) {\\n\\t\\tret = VM_FAULT_SIGBUS;\\n\\t\\tgoto out_nomap;\\n\\t}\",\n \"\\t/*\\n\\t * The page isn't present yet, go ahead with the fault.\\n\\t *\\n\\t * Be careful about the sequence of operations here.\\n\\t * To get its accounting right, reuse_swap_page() must be called\\n\\t * while the page is counted on swap but not yet in mapcount i.e.\\n\\t * before page_add_anon_rmap() and swap_free(); try_to_free_swap()\\n\\t * must be called after the swap_free(), or it will never succeed.\\n\\t * Because delete_from_swap_page() may be called by reuse_swap_page(),\\n\\t * mem_cgroup_commit_charge_swapin() may not be able to find swp_entry\\n\\t * in page->private. In this case, a record in swap_cgroup is silently\\n\\t * discarded at swap_free().\\n\\t */\",\n \"\\tinc_mm_counter_fast(mm, MM_ANONPAGES);\\n\\tdec_mm_counter_fast(mm, MM_SWAPENTS);\\n\\tpte = mk_pte(page, vma->vm_page_prot);\\n\\tif ((flags & FAULT_FLAG_WRITE) && reuse_swap_page(page)) {\\n\\t\\tpte = maybe_mkwrite(pte_mkdirty(pte), vma);\\n\\t\\tflags &= ~FAULT_FLAG_WRITE;\\n\\t\\tret |= VM_FAULT_WRITE;\\n\\t\\texclusive = 1;\\n\\t}\\n\\tflush_icache_page(vma, page);\\n\\tset_pte_at(mm, address, page_table, pte);\\n\\tif (page == swapcache)\\n\\t\\tdo_page_add_anon_rmap(page, vma, address, exclusive);\\n\\telse /* ksm created a completely new copy */\\n\\t\\tpage_add_new_anon_rmap(page, vma, address);\\n\\t/* It's better to call commit-charge after rmap is established */\\n\\tmem_cgroup_commit_charge_swapin(page, ptr);\",\n \"\\tswap_free(entry);\\n\\tif (vm_swap_full() || (vma->vm_flags & VM_LOCKED) || PageMlocked(page))\\n\\t\\ttry_to_free_swap(page);\\n\\tunlock_page(page);\\n\\tif (page != swapcache) {\\n\\t\\t/*\\n\\t\\t * Hold the lock to avoid the swap entry to be reused\\n\\t\\t * until we take the PT lock for the pte_same() check\\n\\t\\t * (to avoid false positives from pte_same). For\\n\\t\\t * further safety release the lock after the swap_free\\n\\t\\t * so that the swap count won't change under a\\n\\t\\t * parallel locked swapcache.\\n\\t\\t */\\n\\t\\tunlock_page(swapcache);\\n\\t\\tpage_cache_release(swapcache);\\n\\t}\",\n \"\\tif (flags & FAULT_FLAG_WRITE) {\\n\\t\\tret |= do_wp_page(mm, vma, address, page_table, pmd, ptl, pte);\\n\\t\\tif (ret & VM_FAULT_ERROR)\\n\\t\\t\\tret &= VM_FAULT_ERROR;\\n\\t\\tgoto out;\\n\\t}\",\n \"\\t/* No need to invalidate - it was non-present before */\\n\\tupdate_mmu_cache(vma, address, page_table);\\nunlock:\\n\\tpte_unmap_unlock(page_table, ptl);\\nout:\\n\\treturn ret;\\nout_nomap:\\n\\tmem_cgroup_cancel_charge_swapin(ptr);\\n\\tpte_unmap_unlock(page_table, ptl);\\nout_page:\\n\\tunlock_page(page);\\nout_release:\\n\\tpage_cache_release(page);\\n\\tif (page != swapcache) {\\n\\t\\tunlock_page(swapcache);\\n\\t\\tpage_cache_release(swapcache);\\n\\t}\\n\\treturn ret;\\n}\",\n \"/*\\n * This is like a special single-page \\\"expand_{down|up}wards()\\\",\\n * except we must first make sure that 'address{-|+}PAGE_SIZE'\\n * doesn't hit another vma.\\n */\\nstatic inline int check_stack_guard_page(struct vm_area_struct *vma, unsigned long address)\\n{\\n\\taddress &= PAGE_MASK;\\n\\tif ((vma->vm_flags & VM_GROWSDOWN) && address == vma->vm_start) {\\n\\t\\tstruct vm_area_struct *prev = vma->vm_prev;\",\n \"\\t\\t/*\\n\\t\\t * Is there a mapping abutting this one below?\\n\\t\\t *\\n\\t\\t * That's only ok if it's the same stack mapping\\n\\t\\t * that has gotten split..\\n\\t\\t */\\n\\t\\tif (prev && prev->vm_end == address)\\n\\t\\t\\treturn prev->vm_flags & VM_GROWSDOWN ? 0 : -ENOMEM;\",\n \"\\t\\texpand_downwards(vma, address - PAGE_SIZE);\\n\\t}\\n\\tif ((vma->vm_flags & VM_GROWSUP) && address + PAGE_SIZE == vma->vm_end) {\\n\\t\\tstruct vm_area_struct *next = vma->vm_next;\",\n \"\\t\\t/* As VM_GROWSDOWN but s/below/above/ */\\n\\t\\tif (next && next->vm_start == address + PAGE_SIZE)\\n\\t\\t\\treturn next->vm_flags & VM_GROWSUP ? 0 : -ENOMEM;\",\n \"\\t\\texpand_upwards(vma, address + PAGE_SIZE);\\n\\t}\\n\\treturn 0;\\n}\",\n \"/*\\n * We enter with non-exclusive mmap_sem (to exclude vma changes,\\n * but allow concurrent faults), and pte mapped but not yet locked.\\n * We return with mmap_sem still held, but pte unmapped and unlocked.\\n */\\nstatic int do_anonymous_page(struct mm_struct *mm, struct vm_area_struct *vma,\\n\\t\\tunsigned long address, pte_t *page_table, pmd_t *pmd,\\n\\t\\tunsigned int flags)\\n{\\n\\tstruct page *page;\\n\\tspinlock_t *ptl;\\n\\tpte_t entry;\",\n \"\\tpte_unmap(page_table);\",\n \"\\t/* Check if we need to add a guard page to the stack */\\n\\tif (check_stack_guard_page(vma, address) < 0)\\n\\t\\treturn VM_FAULT_SIGBUS;\",\n \"\\t/* Use the zero-page for reads */\\n\\tif (!(flags & FAULT_FLAG_WRITE)) {\\n\\t\\tentry = pte_mkspecial(pfn_pte(my_zero_pfn(address),\\n\\t\\t\\t\\t\\t\\tvma->vm_page_prot));\\n\\t\\tpage_table = pte_offset_map_lock(mm, pmd, address, &ptl);\\n\\t\\tif (!pte_none(*page_table))\\n\\t\\t\\tgoto unlock;\\n\\t\\tgoto setpte;\\n\\t}\",\n \"\\t/* Allocate our own private page. */\\n\\tif (unlikely(anon_vma_prepare(vma)))\\n\\t\\tgoto oom;\\n\\tpage = alloc_zeroed_user_highpage_movable(vma, address);\\n\\tif (!page)\\n\\t\\tgoto oom;\\n\\t__SetPageUptodate(page);\",\n \"\\tif (mem_cgroup_newpage_charge(page, mm, GFP_KERNEL))\\n\\t\\tgoto oom_free_page;\",\n \"\\tentry = mk_pte(page, vma->vm_page_prot);\\n\\tif (vma->vm_flags & VM_WRITE)\\n\\t\\tentry = pte_mkwrite(pte_mkdirty(entry));\",\n \"\\tpage_table = pte_offset_map_lock(mm, pmd, address, &ptl);\\n\\tif (!pte_none(*page_table))\\n\\t\\tgoto release;\",\n \"\\tinc_mm_counter_fast(mm, MM_ANONPAGES);\\n\\tpage_add_new_anon_rmap(page, vma, address);\\nsetpte:\\n\\tset_pte_at(mm, address, page_table, entry);\",\n \"\\t/* No need to invalidate - it was non-present before */\\n\\tupdate_mmu_cache(vma, address, page_table);\\nunlock:\\n\\tpte_unmap_unlock(page_table, ptl);\\n\\treturn 0;\\nrelease:\\n\\tmem_cgroup_uncharge_page(page);\\n\\tpage_cache_release(page);\\n\\tgoto unlock;\\noom_free_page:\\n\\tpage_cache_release(page);\\noom:\\n\\treturn VM_FAULT_OOM;\\n}\",\n \"/*\\n * __do_fault() tries to create a new page mapping. It aggressively\\n * tries to share with existing pages, but makes a separate copy if\\n * the FAULT_FLAG_WRITE is set in the flags parameter in order to avoid\\n * the next page fault.\\n *\\n * As this is called only for pages that do not currently exist, we\\n * do not need to flush old virtual caches or the TLB.\\n *\\n * We enter with non-exclusive mmap_sem (to exclude vma changes,\\n * but allow concurrent faults), and pte neither mapped nor locked.\\n * We return with mmap_sem still held, but pte unmapped and unlocked.\\n */\\nstatic int __do_fault(struct mm_struct *mm, struct vm_area_struct *vma,\\n\\t\\tunsigned long address, pmd_t *pmd,\\n\\t\\tpgoff_t pgoff, unsigned int flags, pte_t orig_pte)\\n{\\n\\tpte_t *page_table;\\n\\tspinlock_t *ptl;\\n\\tstruct page *page;\\n\\tstruct page *cow_page;\\n\\tpte_t entry;\\n\\tint anon = 0;\\n\\tstruct page *dirty_page = NULL;\\n\\tstruct vm_fault vmf;\\n\\tint ret;\\n\\tint page_mkwrite = 0;\",\n \"\\t/*\\n\\t * If we do COW later, allocate page befor taking lock_page()\\n\\t * on the file cache page. This will reduce lock holding time.\\n\\t */\\n\\tif ((flags & FAULT_FLAG_WRITE) && !(vma->vm_flags & VM_SHARED)) {\",\n \"\\t\\tif (unlikely(anon_vma_prepare(vma)))\\n\\t\\t\\treturn VM_FAULT_OOM;\",\n \"\\t\\tcow_page = alloc_page_vma(GFP_HIGHUSER_MOVABLE, vma, address);\\n\\t\\tif (!cow_page)\\n\\t\\t\\treturn VM_FAULT_OOM;\",\n \"\\t\\tif (mem_cgroup_newpage_charge(cow_page, mm, GFP_KERNEL)) {\\n\\t\\t\\tpage_cache_release(cow_page);\\n\\t\\t\\treturn VM_FAULT_OOM;\\n\\t\\t}\\n\\t} else\\n\\t\\tcow_page = NULL;\",\n \"\\tvmf.virtual_address = (void __user *)(address & PAGE_MASK);\\n\\tvmf.pgoff = pgoff;\\n\\tvmf.flags = flags;\\n\\tvmf.page = NULL;\",\n \"\\tret = vma->vm_ops->fault(vma, &vmf);\\n\\tif (unlikely(ret & (VM_FAULT_ERROR | VM_FAULT_NOPAGE |\\n\\t\\t\\t VM_FAULT_RETRY)))\\n\\t\\tgoto uncharge_out;\",\n \"\\tif (unlikely(PageHWPoison(vmf.page))) {\\n\\t\\tif (ret & VM_FAULT_LOCKED)\\n\\t\\t\\tunlock_page(vmf.page);\\n\\t\\tret = VM_FAULT_HWPOISON;\\n\\t\\tgoto uncharge_out;\\n\\t}\",\n \"\\t/*\\n\\t * For consistency in subsequent calls, make the faulted page always\\n\\t * locked.\\n\\t */\\n\\tif (unlikely(!(ret & VM_FAULT_LOCKED)))\\n\\t\\tlock_page(vmf.page);\\n\\telse\\n\\t\\tVM_BUG_ON(!PageLocked(vmf.page));\",\n \"\\t/*\\n\\t * Should we do an early C-O-W break?\\n\\t */\\n\\tpage = vmf.page;\\n\\tif (flags & FAULT_FLAG_WRITE) {\\n\\t\\tif (!(vma->vm_flags & VM_SHARED)) {\\n\\t\\t\\tpage = cow_page;\\n\\t\\t\\tanon = 1;\\n\\t\\t\\tcopy_user_highpage(page, vmf.page, address, vma);\\n\\t\\t\\t__SetPageUptodate(page);\\n\\t\\t} else {\\n\\t\\t\\t/*\\n\\t\\t\\t * If the page will be shareable, see if the backing\\n\\t\\t\\t * address space wants to know that the page is about\\n\\t\\t\\t * to become writable\\n\\t\\t\\t */\\n\\t\\t\\tif (vma->vm_ops->page_mkwrite) {\\n\\t\\t\\t\\tint tmp;\",\n \"\\t\\t\\t\\tunlock_page(page);\\n\\t\\t\\t\\tvmf.flags = FAULT_FLAG_WRITE|FAULT_FLAG_MKWRITE;\\n\\t\\t\\t\\ttmp = vma->vm_ops->page_mkwrite(vma, &vmf);\\n\\t\\t\\t\\tif (unlikely(tmp &\\n\\t\\t\\t\\t\\t (VM_FAULT_ERROR | VM_FAULT_NOPAGE))) {\\n\\t\\t\\t\\t\\tret = tmp;\\n\\t\\t\\t\\t\\tgoto unwritable_page;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tif (unlikely(!(tmp & VM_FAULT_LOCKED))) {\\n\\t\\t\\t\\t\\tlock_page(page);\\n\\t\\t\\t\\t\\tif (!page->mapping) {\\n\\t\\t\\t\\t\\t\\tret = 0; /* retry the fault */\\n\\t\\t\\t\\t\\t\\tunlock_page(page);\\n\\t\\t\\t\\t\\t\\tgoto unwritable_page;\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t} else\\n\\t\\t\\t\\t\\tVM_BUG_ON(!PageLocked(page));\\n\\t\\t\\t\\tpage_mkwrite = 1;\\n\\t\\t\\t}\\n\\t\\t}\",\n \"\\t}\",\n \"\\tpage_table = pte_offset_map_lock(mm, pmd, address, &ptl);\",\n \"\\t/*\\n\\t * This silly early PAGE_DIRTY setting removes a race\\n\\t * due to the bad i386 page protection. But it's valid\\n\\t * for other architectures too.\\n\\t *\\n\\t * Note that if FAULT_FLAG_WRITE is set, we either now have\\n\\t * an exclusive copy of the page, or this is a shared mapping,\\n\\t * so we can make it writable and dirty to avoid having to\\n\\t * handle that later.\\n\\t */\\n\\t/* Only go through if we didn't race with anybody else... */\\n\\tif (likely(pte_same(*page_table, orig_pte))) {\\n\\t\\tflush_icache_page(vma, page);\\n\\t\\tentry = mk_pte(page, vma->vm_page_prot);\\n\\t\\tif (flags & FAULT_FLAG_WRITE)\\n\\t\\t\\tentry = maybe_mkwrite(pte_mkdirty(entry), vma);\\n\\t\\tif (anon) {\\n\\t\\t\\tinc_mm_counter_fast(mm, MM_ANONPAGES);\\n\\t\\t\\tpage_add_new_anon_rmap(page, vma, address);\\n\\t\\t} else {\\n\\t\\t\\tinc_mm_counter_fast(mm, MM_FILEPAGES);\\n\\t\\t\\tpage_add_file_rmap(page);\\n\\t\\t\\tif (flags & FAULT_FLAG_WRITE) {\\n\\t\\t\\t\\tdirty_page = page;\\n\\t\\t\\t\\tget_page(dirty_page);\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\tset_pte_at(mm, address, page_table, entry);\",\n \"\\t\\t/* no need to invalidate: a not-present page won't be cached */\\n\\t\\tupdate_mmu_cache(vma, address, page_table);\\n\\t} else {\\n\\t\\tif (cow_page)\\n\\t\\t\\tmem_cgroup_uncharge_page(cow_page);\\n\\t\\tif (anon)\\n\\t\\t\\tpage_cache_release(page);\\n\\t\\telse\\n\\t\\t\\tanon = 1; /* no anon but release faulted_page */\\n\\t}\",\n \"\\tpte_unmap_unlock(page_table, ptl);\",\n \"\\tif (dirty_page) {\\n\\t\\tstruct address_space *mapping = page->mapping;\\n\\t\\tint dirtied = 0;\",\n \"\\t\\tif (set_page_dirty(dirty_page))\\n\\t\\t\\tdirtied = 1;\\n\\t\\tunlock_page(dirty_page);\\n\\t\\tput_page(dirty_page);\\n\\t\\tif ((dirtied || page_mkwrite) && mapping) {\\n\\t\\t\\t/*\\n\\t\\t\\t * Some device drivers do not set page.mapping but still\\n\\t\\t\\t * dirty their pages\\n\\t\\t\\t */\\n\\t\\t\\tbalance_dirty_pages_ratelimited(mapping);\\n\\t\\t}\",\n \"\\t\\t/* file_update_time outside page_lock */\\n\\t\\tif (vma->vm_file && !page_mkwrite)\\n\\t\\t\\tfile_update_time(vma->vm_file);\\n\\t} else {\\n\\t\\tunlock_page(vmf.page);\\n\\t\\tif (anon)\\n\\t\\t\\tpage_cache_release(vmf.page);\\n\\t}\",\n \"\\treturn ret;\",\n \"unwritable_page:\\n\\tpage_cache_release(page);\\n\\treturn ret;\\nuncharge_out:\\n\\t/* fs's fault handler get error */\\n\\tif (cow_page) {\\n\\t\\tmem_cgroup_uncharge_page(cow_page);\\n\\t\\tpage_cache_release(cow_page);\\n\\t}\\n\\treturn ret;\\n}\",\n \"static int do_linear_fault(struct mm_struct *mm, struct vm_area_struct *vma,\\n\\t\\tunsigned long address, pte_t *page_table, pmd_t *pmd,\\n\\t\\tunsigned int flags, pte_t orig_pte)\\n{\\n\\tpgoff_t pgoff = (((address & PAGE_MASK)\\n\\t\\t\\t- vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff;\",\n \"\\tpte_unmap(page_table);\\n\\treturn __do_fault(mm, vma, address, pmd, pgoff, flags, orig_pte);\\n}\",\n \"/*\\n * Fault of a previously existing named mapping. Repopulate the pte\\n * from the encoded file_pte if possible. This enables swappable\\n * nonlinear vmas.\\n *\\n * We enter with non-exclusive mmap_sem (to exclude vma changes,\\n * but allow concurrent faults), and pte mapped but not yet locked.\\n * We return with mmap_sem still held, but pte unmapped and unlocked.\\n */\\nstatic int do_nonlinear_fault(struct mm_struct *mm, struct vm_area_struct *vma,\\n\\t\\tunsigned long address, pte_t *page_table, pmd_t *pmd,\\n\\t\\tunsigned int flags, pte_t orig_pte)\\n{\\n\\tpgoff_t pgoff;\",\n \"\\tflags |= FAULT_FLAG_NONLINEAR;\",\n \"\\tif (!pte_unmap_same(mm, pmd, page_table, orig_pte))\\n\\t\\treturn 0;\",\n \"\\tif (unlikely(!(vma->vm_flags & VM_NONLINEAR))) {\\n\\t\\t/*\\n\\t\\t * Page table corrupted: show pte and kill process.\\n\\t\\t */\\n\\t\\tprint_bad_pte(vma, address, orig_pte, NULL);\\n\\t\\treturn VM_FAULT_SIGBUS;\\n\\t}\",\n \"\\tpgoff = pte_to_pgoff(orig_pte);\\n\\treturn __do_fault(mm, vma, address, pmd, pgoff, flags, orig_pte);\\n}\",\n \"int numa_migrate_prep(struct page *page, struct vm_area_struct *vma,\\n\\t\\t\\t\\tunsigned long addr, int current_nid)\\n{\\n\\tget_page(page);\",\n \"\\tcount_vm_numa_event(NUMA_HINT_FAULTS);\\n\\tif (current_nid == numa_node_id())\\n\\t\\tcount_vm_numa_event(NUMA_HINT_FAULTS_LOCAL);\",\n \"\\treturn mpol_misplaced(page, vma, addr);\\n}\",\n \"int do_numa_page(struct mm_struct *mm, struct vm_area_struct *vma,\\n\\t\\t unsigned long addr, pte_t pte, pte_t *ptep, pmd_t *pmd)\\n{\\n\\tstruct page *page = NULL;\\n\\tspinlock_t *ptl;\\n\\tint current_nid = -1;\\n\\tint target_nid;\\n\\tbool migrated = false;\",\n \"\\t/*\\n\\t* The \\\"pte\\\" at this point cannot be used safely without\\n\\t* validation through pte_unmap_same(). It's of NUMA type but\\n\\t* the pfn may be screwed if the read is non atomic.\\n\\t*\\n\\t* ptep_modify_prot_start is not called as this is clearing\\n\\t* the _PAGE_NUMA bit and it is not really expected that there\\n\\t* would be concurrent hardware modifications to the PTE.\\n\\t*/\\n\\tptl = pte_lockptr(mm, pmd);\\n\\tspin_lock(ptl);\\n\\tif (unlikely(!pte_same(*ptep, pte))) {\\n\\t\\tpte_unmap_unlock(ptep, ptl);\\n\\t\\tgoto out;\\n\\t}\",\n \"\\tpte = pte_mknonnuma(pte);\\n\\tset_pte_at(mm, addr, ptep, pte);\\n\\tupdate_mmu_cache(vma, addr, ptep);\",\n \"\\tpage = vm_normal_page(vma, addr, pte);\\n\\tif (!page) {\\n\\t\\tpte_unmap_unlock(ptep, ptl);\\n\\t\\treturn 0;\\n\\t}\",\n \"\\tcurrent_nid = page_to_nid(page);\\n\\ttarget_nid = numa_migrate_prep(page, vma, addr, current_nid);\\n\\tpte_unmap_unlock(ptep, ptl);\\n\\tif (target_nid == -1) {\\n\\t\\t/*\\n\\t\\t * Account for the fault against the current node if it not\\n\\t\\t * being replaced regardless of where the page is located.\\n\\t\\t */\\n\\t\\tcurrent_nid = numa_node_id();\\n\\t\\tput_page(page);\\n\\t\\tgoto out;\\n\\t}\",\n \"\\t/* Migrate to the requested node */\\n\\tmigrated = migrate_misplaced_page(page, target_nid);\\n\\tif (migrated)\\n\\t\\tcurrent_nid = target_nid;\",\n \"out:\\n\\tif (current_nid != -1)\\n\\t\\ttask_numa_fault(current_nid, 1, migrated);\\n\\treturn 0;\\n}\",\n \"/* NUMA hinting page fault entry point for regular pmds */\\n#ifdef CONFIG_NUMA_BALANCING\\nstatic int do_pmd_numa_page(struct mm_struct *mm, struct vm_area_struct *vma,\\n\\t\\t unsigned long addr, pmd_t *pmdp)\\n{\\n\\tpmd_t pmd;\\n\\tpte_t *pte, *orig_pte;\\n\\tunsigned long _addr = addr & PMD_MASK;\\n\\tunsigned long offset;\\n\\tspinlock_t *ptl;\\n\\tbool numa = false;\\n\\tint local_nid = numa_node_id();\",\n \"\\tspin_lock(&mm->page_table_lock);\\n\\tpmd = *pmdp;\\n\\tif (pmd_numa(pmd)) {\\n\\t\\tset_pmd_at(mm, _addr, pmdp, pmd_mknonnuma(pmd));\\n\\t\\tnuma = true;\\n\\t}\\n\\tspin_unlock(&mm->page_table_lock);\",\n \"\\tif (!numa)\\n\\t\\treturn 0;\",\n \"\\t/* we're in a page fault so some vma must be in the range */\\n\\tBUG_ON(!vma);\\n\\tBUG_ON(vma->vm_start >= _addr + PMD_SIZE);\\n\\toffset = max(_addr, vma->vm_start) & ~PMD_MASK;\\n\\tVM_BUG_ON(offset >= PMD_SIZE);\\n\\torig_pte = pte = pte_offset_map_lock(mm, pmdp, _addr, &ptl);\\n\\tpte += offset >> PAGE_SHIFT;\\n\\tfor (addr = _addr + offset; addr < _addr + PMD_SIZE; pte++, addr += PAGE_SIZE) {\\n\\t\\tpte_t pteval = *pte;\\n\\t\\tstruct page *page;\\n\\t\\tint curr_nid = local_nid;\\n\\t\\tint target_nid;\\n\\t\\tbool migrated;\\n\\t\\tif (!pte_present(pteval))\\n\\t\\t\\tcontinue;\\n\\t\\tif (!pte_numa(pteval))\\n\\t\\t\\tcontinue;\\n\\t\\tif (addr >= vma->vm_end) {\\n\\t\\t\\tvma = find_vma(mm, addr);\\n\\t\\t\\t/* there's a pte present so there must be a vma */\\n\\t\\t\\tBUG_ON(!vma);\\n\\t\\t\\tBUG_ON(addr < vma->vm_start);\\n\\t\\t}\\n\\t\\tif (pte_numa(pteval)) {\\n\\t\\t\\tpteval = pte_mknonnuma(pteval);\\n\\t\\t\\tset_pte_at(mm, addr, pte, pteval);\\n\\t\\t}\\n\\t\\tpage = vm_normal_page(vma, addr, pteval);\\n\\t\\tif (unlikely(!page))\\n\\t\\t\\tcontinue;\\n\\t\\t/* only check non-shared pages */\\n\\t\\tif (unlikely(page_mapcount(page) != 1))\\n\\t\\t\\tcontinue;\",\n \"\\t\\t/*\\n\\t\\t * Note that the NUMA fault is later accounted to either\\n\\t\\t * the node that is currently running or where the page is\\n\\t\\t * migrated to.\\n\\t\\t */\\n\\t\\tcurr_nid = local_nid;\\n\\t\\ttarget_nid = numa_migrate_prep(page, vma, addr,\\n\\t\\t\\t\\t\\t page_to_nid(page));\\n\\t\\tif (target_nid == -1) {\\n\\t\\t\\tput_page(page);\\n\\t\\t\\tcontinue;\\n\\t\\t}\",\n \"\\t\\t/* Migrate to the requested node */\\n\\t\\tpte_unmap_unlock(pte, ptl);\\n\\t\\tmigrated = migrate_misplaced_page(page, target_nid);\\n\\t\\tif (migrated)\\n\\t\\t\\tcurr_nid = target_nid;\\n\\t\\ttask_numa_fault(curr_nid, 1, migrated);\",\n \"\\t\\tpte = pte_offset_map_lock(mm, pmdp, addr, &ptl);\\n\\t}\\n\\tpte_unmap_unlock(orig_pte, ptl);\",\n \"\\treturn 0;\\n}\\n#else\\nstatic int do_pmd_numa_page(struct mm_struct *mm, struct vm_area_struct *vma,\\n\\t\\t unsigned long addr, pmd_t *pmdp)\\n{\\n\\tBUG();\\n\\treturn 0;\\n}\\n#endif /* CONFIG_NUMA_BALANCING */\",\n \"/*\\n * These routines also need to handle stuff like marking pages dirty\\n * and/or accessed for architectures that don't do it in hardware (most\\n * RISC architectures). The early dirtying is also good on the i386.\\n *\\n * There is also a hook called \\\"update_mmu_cache()\\\" that architectures\\n * with external mmu caches can use to update those (ie the Sparc or\\n * PowerPC hashed page tables that act as extended TLBs).\\n *\\n * We enter with non-exclusive mmap_sem (to exclude vma changes,\\n * but allow concurrent faults), and pte mapped but not yet locked.\\n * We return with mmap_sem still held, but pte unmapped and unlocked.\\n */\\nint handle_pte_fault(struct mm_struct *mm,\\n\\t\\t struct vm_area_struct *vma, unsigned long address,\\n\\t\\t pte_t *pte, pmd_t *pmd, unsigned int flags)\\n{\\n\\tpte_t entry;\\n\\tspinlock_t *ptl;\",\n \"\\tentry = *pte;\\n\\tif (!pte_present(entry)) {\\n\\t\\tif (pte_none(entry)) {\\n\\t\\t\\tif (vma->vm_ops) {\\n\\t\\t\\t\\tif (likely(vma->vm_ops->fault))\\n\\t\\t\\t\\t\\treturn do_linear_fault(mm, vma, address,\\n\\t\\t\\t\\t\\t\\tpte, pmd, flags, entry);\\n\\t\\t\\t}\\n\\t\\t\\treturn do_anonymous_page(mm, vma, address,\\n\\t\\t\\t\\t\\t\\t pte, pmd, flags);\\n\\t\\t}\\n\\t\\tif (pte_file(entry))\\n\\t\\t\\treturn do_nonlinear_fault(mm, vma, address,\\n\\t\\t\\t\\t\\tpte, pmd, flags, entry);\\n\\t\\treturn do_swap_page(mm, vma, address,\\n\\t\\t\\t\\t\\tpte, pmd, flags, entry);\\n\\t}\",\n \"\\tif (pte_numa(entry))\\n\\t\\treturn do_numa_page(mm, vma, address, entry, pte, pmd);\",\n \"\\tptl = pte_lockptr(mm, pmd);\\n\\tspin_lock(ptl);\\n\\tif (unlikely(!pte_same(*pte, entry)))\\n\\t\\tgoto unlock;\\n\\tif (flags & FAULT_FLAG_WRITE) {\\n\\t\\tif (!pte_write(entry))\\n\\t\\t\\treturn do_wp_page(mm, vma, address,\\n\\t\\t\\t\\t\\tpte, pmd, ptl, entry);\\n\\t\\tentry = pte_mkdirty(entry);\\n\\t}\\n\\tentry = pte_mkyoung(entry);\\n\\tif (ptep_set_access_flags(vma, address, pte, entry, flags & FAULT_FLAG_WRITE)) {\\n\\t\\tupdate_mmu_cache(vma, address, pte);\\n\\t} else {\\n\\t\\t/*\\n\\t\\t * This is needed only for protection faults but the arch code\\n\\t\\t * is not yet telling us if this is a protection fault or not.\\n\\t\\t * This still avoids useless tlb flushes for .text page faults\\n\\t\\t * with threads.\\n\\t\\t */\\n\\t\\tif (flags & FAULT_FLAG_WRITE)\\n\\t\\t\\tflush_tlb_fix_spurious_fault(vma, address);\\n\\t}\\nunlock:\\n\\tpte_unmap_unlock(pte, ptl);\\n\\treturn 0;\\n}\",\n \"/*\\n * By the time we get here, we already hold the mm semaphore\\n */\\nint handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma,\\n\\t\\tunsigned long address, unsigned int flags)\\n{\\n\\tpgd_t *pgd;\\n\\tpud_t *pud;\\n\\tpmd_t *pmd;\\n\\tpte_t *pte;\",\n \"\\t__set_current_state(TASK_RUNNING);\",\n \"\\tcount_vm_event(PGFAULT);\\n\\tmem_cgroup_count_vm_event(mm, PGFAULT);\",\n \"\\t/* do counter updates before entering really critical section. */\\n\\tcheck_sync_rss_stat(current);\",\n \"\\tif (unlikely(is_vm_hugetlb_page(vma)))\\n\\t\\treturn hugetlb_fault(mm, vma, address, flags);\",\n \"retry:\\n\\tpgd = pgd_offset(mm, address);\\n\\tpud = pud_alloc(mm, pgd, address);\\n\\tif (!pud)\\n\\t\\treturn VM_FAULT_OOM;\\n\\tpmd = pmd_alloc(mm, pud, address);\\n\\tif (!pmd)\\n\\t\\treturn VM_FAULT_OOM;\\n\\tif (pmd_none(*pmd) && transparent_hugepage_enabled(vma)) {\\n\\t\\tif (!vma->vm_ops)\\n\\t\\t\\treturn do_huge_pmd_anonymous_page(mm, vma, address,\\n\\t\\t\\t\\t\\t\\t\\t pmd, flags);\\n\\t} else {\\n\\t\\tpmd_t orig_pmd = *pmd;\\n\\t\\tint ret;\",\n \"\\t\\tbarrier();\\n\\t\\tif (pmd_trans_huge(orig_pmd)) {\\n\\t\\t\\tunsigned int dirty = flags & FAULT_FLAG_WRITE;\",\n \"\\t\\t\\t/*\\n\\t\\t\\t * If the pmd is splitting, return and retry the\\n\\t\\t\\t * the fault. Alternative: wait until the split\\n\\t\\t\\t * is done, and goto retry.\\n\\t\\t\\t */\\n\\t\\t\\tif (pmd_trans_splitting(orig_pmd))\\n\\t\\t\\t\\treturn 0;\",\n \"\\t\\t\\tif (pmd_numa(orig_pmd))\\n\\t\\t\\t\\treturn do_huge_pmd_numa_page(mm, vma, address,\\n\\t\\t\\t\\t\\t\\t\\t orig_pmd, pmd);\",\n \"\\t\\t\\tif (dirty && !pmd_write(orig_pmd)) {\\n\\t\\t\\t\\tret = do_huge_pmd_wp_page(mm, vma, address, pmd,\\n\\t\\t\\t\\t\\t\\t\\t orig_pmd);\\n\\t\\t\\t\\t/*\\n\\t\\t\\t\\t * If COW results in an oom, the huge pmd will\\n\\t\\t\\t\\t * have been split, so retry the fault on the\\n\\t\\t\\t\\t * pte for a smaller charge.\\n\\t\\t\\t\\t */\\n\\t\\t\\t\\tif (unlikely(ret & VM_FAULT_OOM))\\n\\t\\t\\t\\t\\tgoto retry;\\n\\t\\t\\t\\treturn ret;\\n\\t\\t\\t} else {\\n\\t\\t\\t\\thuge_pmd_set_accessed(mm, vma, address, pmd,\\n\\t\\t\\t\\t\\t\\t orig_pmd, dirty);\\n\\t\\t\\t}\",\n \"\\t\\t\\treturn 0;\\n\\t\\t}\\n\\t}\",\n \"\\tif (pmd_numa(*pmd))\\n\\t\\treturn do_pmd_numa_page(mm, vma, address, pmd);\",\n \"\\t/*\\n\\t * Use __pte_alloc instead of pte_alloc_map, because we can't\\n\\t * run pte_offset_map on the pmd, if an huge pmd could\\n\\t * materialize from under us from a different thread.\\n\\t */\\n\\tif (unlikely(pmd_none(*pmd)) &&\\n\\t unlikely(__pte_alloc(mm, vma, pmd, address)))\\n\\t\\treturn VM_FAULT_OOM;\\n\\t/* if an huge pmd materialized from under us just retry later */\\n\\tif (unlikely(pmd_trans_huge(*pmd)))\\n\\t\\treturn 0;\\n\\t/*\\n\\t * A regular pmd is established and it can't morph into a huge pmd\\n\\t * from under us anymore at this point because we hold the mmap_sem\\n\\t * read mode and khugepaged takes it in write mode. So now it's\\n\\t * safe to run pte_offset_map().\\n\\t */\\n\\tpte = pte_offset_map(pmd, address);\",\n \"\\treturn handle_pte_fault(mm, vma, address, pte, pmd, flags);\\n}\",\n \"#ifndef __PAGETABLE_PUD_FOLDED\\n/*\\n * Allocate page upper directory.\\n * We've already handled the fast-path in-line.\\n */\\nint __pud_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long address)\\n{\\n\\tpud_t *new = pud_alloc_one(mm, address);\\n\\tif (!new)\\n\\t\\treturn -ENOMEM;\",\n \"\\tsmp_wmb(); /* See comment in __pte_alloc */\",\n \"\\tspin_lock(&mm->page_table_lock);\\n\\tif (pgd_present(*pgd))\\t\\t/* Another has populated it */\\n\\t\\tpud_free(mm, new);\\n\\telse\\n\\t\\tpgd_populate(mm, pgd, new);\\n\\tspin_unlock(&mm->page_table_lock);\\n\\treturn 0;\\n}\\n#endif /* __PAGETABLE_PUD_FOLDED */\",\n \"#ifndef __PAGETABLE_PMD_FOLDED\\n/*\\n * Allocate page middle directory.\\n * We've already handled the fast-path in-line.\\n */\\nint __pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long address)\\n{\\n\\tpmd_t *new = pmd_alloc_one(mm, address);\\n\\tif (!new)\\n\\t\\treturn -ENOMEM;\",\n \"\\tsmp_wmb(); /* See comment in __pte_alloc */\",\n \"\\tspin_lock(&mm->page_table_lock);\\n#ifndef __ARCH_HAS_4LEVEL_HACK\\n\\tif (pud_present(*pud))\\t\\t/* Another has populated it */\\n\\t\\tpmd_free(mm, new);\\n\\telse\\n\\t\\tpud_populate(mm, pud, new);\\n#else\\n\\tif (pgd_present(*pud))\\t\\t/* Another has populated it */\\n\\t\\tpmd_free(mm, new);\\n\\telse\\n\\t\\tpgd_populate(mm, pud, new);\\n#endif /* __ARCH_HAS_4LEVEL_HACK */\\n\\tspin_unlock(&mm->page_table_lock);\\n\\treturn 0;\\n}\\n#endif /* __PAGETABLE_PMD_FOLDED */\",\n \"#if !defined(__HAVE_ARCH_GATE_AREA)\",\n \"#if defined(AT_SYSINFO_EHDR)\\nstatic struct vm_area_struct gate_vma;\",\n \"static int __init gate_vma_init(void)\\n{\\n\\tgate_vma.vm_mm = NULL;\\n\\tgate_vma.vm_start = FIXADDR_USER_START;\\n\\tgate_vma.vm_end = FIXADDR_USER_END;\\n\\tgate_vma.vm_flags = VM_READ | VM_MAYREAD | VM_EXEC | VM_MAYEXEC;\\n\\tgate_vma.vm_page_prot = __P101;\",\n \"\\treturn 0;\\n}\\n__initcall(gate_vma_init);\\n#endif\",\n \"struct vm_area_struct *get_gate_vma(struct mm_struct *mm)\\n{\\n#ifdef AT_SYSINFO_EHDR\\n\\treturn &gate_vma;\\n#else\\n\\treturn NULL;\\n#endif\\n}\",\n \"int in_gate_area_no_mm(unsigned long addr)\\n{\\n#ifdef AT_SYSINFO_EHDR\\n\\tif ((addr >= FIXADDR_USER_START) && (addr < FIXADDR_USER_END))\\n\\t\\treturn 1;\\n#endif\\n\\treturn 0;\\n}\",\n \"#endif\\t/* __HAVE_ARCH_GATE_AREA */\",\n \"static int __follow_pte(struct mm_struct *mm, unsigned long address,\\n\\t\\tpte_t **ptepp, spinlock_t **ptlp)\\n{\\n\\tpgd_t *pgd;\\n\\tpud_t *pud;\\n\\tpmd_t *pmd;\\n\\tpte_t *ptep;\",\n \"\\tpgd = pgd_offset(mm, address);\\n\\tif (pgd_none(*pgd) || unlikely(pgd_bad(*pgd)))\\n\\t\\tgoto out;\",\n \"\\tpud = pud_offset(pgd, address);\\n\\tif (pud_none(*pud) || unlikely(pud_bad(*pud)))\\n\\t\\tgoto out;\",\n \"\\tpmd = pmd_offset(pud, address);\\n\\tVM_BUG_ON(pmd_trans_huge(*pmd));\\n\\tif (pmd_none(*pmd) || unlikely(pmd_bad(*pmd)))\\n\\t\\tgoto out;\",\n \"\\t/* We cannot handle huge page PFN maps. Luckily they don't exist. */\\n\\tif (pmd_huge(*pmd))\\n\\t\\tgoto out;\",\n \"\\tptep = pte_offset_map_lock(mm, pmd, address, ptlp);\\n\\tif (!ptep)\\n\\t\\tgoto out;\\n\\tif (!pte_present(*ptep))\\n\\t\\tgoto unlock;\\n\\t*ptepp = ptep;\\n\\treturn 0;\\nunlock:\\n\\tpte_unmap_unlock(ptep, *ptlp);\\nout:\\n\\treturn -EINVAL;\\n}\",\n \"static inline int follow_pte(struct mm_struct *mm, unsigned long address,\\n\\t\\t\\t pte_t **ptepp, spinlock_t **ptlp)\\n{\\n\\tint res;\",\n \"\\t/* (void) is needed to make gcc happy */\\n\\t(void) __cond_lock(*ptlp,\\n\\t\\t\\t !(res = __follow_pte(mm, address, ptepp, ptlp)));\\n\\treturn res;\\n}\",\n \"/**\\n * follow_pfn - look up PFN at a user virtual address\\n * @vma: memory mapping\\n * @address: user virtual address\\n * @pfn: location to store found PFN\\n *\\n * Only IO mappings and raw PFN mappings are allowed.\\n *\\n * Returns zero and the pfn at @pfn on success, -ve otherwise.\\n */\\nint follow_pfn(struct vm_area_struct *vma, unsigned long address,\\n\\tunsigned long *pfn)\\n{\\n\\tint ret = -EINVAL;\\n\\tspinlock_t *ptl;\\n\\tpte_t *ptep;\",\n \"\\tif (!(vma->vm_flags & (VM_IO | VM_PFNMAP)))\\n\\t\\treturn ret;\",\n \"\\tret = follow_pte(vma->vm_mm, address, &ptep, &ptl);\\n\\tif (ret)\\n\\t\\treturn ret;\\n\\t*pfn = pte_pfn(*ptep);\\n\\tpte_unmap_unlock(ptep, ptl);\\n\\treturn 0;\\n}\\nEXPORT_SYMBOL(follow_pfn);\",\n \"#ifdef CONFIG_HAVE_IOREMAP_PROT\\nint follow_phys(struct vm_area_struct *vma,\\n\\t\\tunsigned long address, unsigned int flags,\\n\\t\\tunsigned long *prot, resource_size_t *phys)\\n{\\n\\tint ret = -EINVAL;\\n\\tpte_t *ptep, pte;\\n\\tspinlock_t *ptl;\",\n \"\\tif (!(vma->vm_flags & (VM_IO | VM_PFNMAP)))\\n\\t\\tgoto out;\",\n \"\\tif (follow_pte(vma->vm_mm, address, &ptep, &ptl))\\n\\t\\tgoto out;\\n\\tpte = *ptep;\",\n \"\\tif ((flags & FOLL_WRITE) && !pte_write(pte))\\n\\t\\tgoto unlock;\",\n \"\\t*prot = pgprot_val(pte_pgprot(pte));\\n\\t*phys = (resource_size_t)pte_pfn(pte) << PAGE_SHIFT;\",\n \"\\tret = 0;\\nunlock:\\n\\tpte_unmap_unlock(ptep, ptl);\\nout:\\n\\treturn ret;\\n}\",\n \"int generic_access_phys(struct vm_area_struct *vma, unsigned long addr,\\n\\t\\t\\tvoid *buf, int len, int write)\\n{\\n\\tresource_size_t phys_addr;\\n\\tunsigned long prot = 0;\\n\\tvoid __iomem *maddr;\\n\\tint offset = addr & (PAGE_SIZE-1);\",\n \"\\tif (follow_phys(vma, addr, write, &prot, &phys_addr))\\n\\t\\treturn -EINVAL;\",\n \"\\tmaddr = ioremap_prot(phys_addr, PAGE_SIZE, prot);\\n\\tif (write)\\n\\t\\tmemcpy_toio(maddr + offset, buf, len);\\n\\telse\\n\\t\\tmemcpy_fromio(buf, maddr + offset, len);\\n\\tiounmap(maddr);\",\n \"\\treturn len;\\n}\\n#endif\",\n \"/*\\n * Access another process' address space as given in mm. If non-NULL, use the\\n * given task for page fault accounting.\\n */\\nstatic int __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm,\\n\\t\\tunsigned long addr, void *buf, int len, int write)\\n{\\n\\tstruct vm_area_struct *vma;\\n\\tvoid *old_buf = buf;\",\n \"\\tdown_read(&mm->mmap_sem);\\n\\t/* ignore errors, just check how much was successfully transferred */\\n\\twhile (len) {\\n\\t\\tint bytes, ret, offset;\\n\\t\\tvoid *maddr;\\n\\t\\tstruct page *page = NULL;\",\n \"\\t\\tret = get_user_pages(tsk, mm, addr, 1,\\n\\t\\t\\t\\twrite, 1, &page, &vma);\\n\\t\\tif (ret <= 0) {\\n\\t\\t\\t/*\\n\\t\\t\\t * Check if this is a VM_IO | VM_PFNMAP VMA, which\\n\\t\\t\\t * we can access using slightly different code.\\n\\t\\t\\t */\\n#ifdef CONFIG_HAVE_IOREMAP_PROT\\n\\t\\t\\tvma = find_vma(mm, addr);\\n\\t\\t\\tif (!vma || vma->vm_start > addr)\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\tif (vma->vm_ops && vma->vm_ops->access)\\n\\t\\t\\t\\tret = vma->vm_ops->access(vma, addr, buf,\\n\\t\\t\\t\\t\\t\\t\\t len, write);\\n\\t\\t\\tif (ret <= 0)\\n#endif\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\tbytes = ret;\\n\\t\\t} else {\\n\\t\\t\\tbytes = len;\\n\\t\\t\\toffset = addr & (PAGE_SIZE-1);\\n\\t\\t\\tif (bytes > PAGE_SIZE-offset)\\n\\t\\t\\t\\tbytes = PAGE_SIZE-offset;\",\n \"\\t\\t\\tmaddr = kmap(page);\\n\\t\\t\\tif (write) {\\n\\t\\t\\t\\tcopy_to_user_page(vma, page, addr,\\n\\t\\t\\t\\t\\t\\t maddr + offset, buf, bytes);\\n\\t\\t\\t\\tset_page_dirty_lock(page);\\n\\t\\t\\t} else {\\n\\t\\t\\t\\tcopy_from_user_page(vma, page, addr,\\n\\t\\t\\t\\t\\t\\t buf, maddr + offset, bytes);\\n\\t\\t\\t}\\n\\t\\t\\tkunmap(page);\\n\\t\\t\\tpage_cache_release(page);\\n\\t\\t}\\n\\t\\tlen -= bytes;\\n\\t\\tbuf += bytes;\\n\\t\\taddr += bytes;\\n\\t}\\n\\tup_read(&mm->mmap_sem);\",\n \"\\treturn buf - old_buf;\\n}\",\n \"/**\\n * access_remote_vm - access another process' address space\\n * @mm:\\t\\tthe mm_struct of the target address space\\n * @addr:\\tstart address to access\\n * @buf:\\tsource or destination buffer\\n * @len:\\tnumber of bytes to transfer\\n * @write:\\twhether the access is a write\\n *\\n * The caller must hold a reference on @mm.\\n */\\nint access_remote_vm(struct mm_struct *mm, unsigned long addr,\\n\\t\\tvoid *buf, int len, int write)\\n{\\n\\treturn __access_remote_vm(NULL, mm, addr, buf, len, write);\\n}\",\n \"/*\\n * Access another process' address space.\\n * Source/target buffer must be kernel space,\\n * Do not walk the page table directly, use get_user_pages\\n */\\nint access_process_vm(struct task_struct *tsk, unsigned long addr,\\n\\t\\tvoid *buf, int len, int write)\\n{\\n\\tstruct mm_struct *mm;\\n\\tint ret;\",\n \"\\tmm = get_task_mm(tsk);\\n\\tif (!mm)\\n\\t\\treturn 0;\",\n \"\\tret = __access_remote_vm(tsk, mm, addr, buf, len, write);\\n\\tmmput(mm);\",\n \"\\treturn ret;\\n}\",\n \"/*\\n * Print the name of a VMA.\\n */\\nvoid print_vma_addr(char *prefix, unsigned long ip)\\n{\\n\\tstruct mm_struct *mm = 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paged out, therefore we'll never actually fault, and the\\n\\t * below annotations will generate false positives.\\n\\t */\\n\\tif (segment_eq(get_fs(), KERNEL_DS))\\n\\t\\treturn;\",\n \"\\tmight_sleep();\\n\\t/*\\n\\t * it would be nicer only to annotate paths which are not under\\n\\t * pagefault_disable, however that requires a larger audit and\\n\\t * providing helpers like get_user_atomic.\\n\\t */\\n\\tif (!in_atomic() && current->mm)\\n\\t\\tmight_lock_read(¤t->mm->mmap_sem);\\n}\\nEXPORT_SYMBOL(might_fault);\\n#endif\",\n \"#if defined(CONFIG_TRANSPARENT_HUGEPAGE) || defined(CONFIG_HUGETLBFS)\\nstatic void clear_gigantic_page(struct page *page,\\n\\t\\t\\t\\tunsigned long addr,\\n\\t\\t\\t\\tunsigned int pages_per_huge_page)\\n{\\n\\tint i;\\n\\tstruct page *p = page;\",\n \"\\tmight_sleep();\\n\\tfor (i = 0; i < pages_per_huge_page;\\n\\t i++, p = mem_map_next(p, page, i)) {\\n\\t\\tcond_resched();\\n\\t\\tclear_user_highpage(p, addr + i * PAGE_SIZE);\\n\\t}\\n}\\nvoid clear_huge_page(struct page *page,\\n\\t\\t unsigned long addr, unsigned int pages_per_huge_page)\\n{\\n\\tint i;\",\n \"\\tif (unlikely(pages_per_huge_page > MAX_ORDER_NR_PAGES)) {\\n\\t\\tclear_gigantic_page(page, addr, pages_per_huge_page);\\n\\t\\treturn;\\n\\t}\",\n \"\\tmight_sleep();\\n\\tfor (i = 0; i < pages_per_huge_page; i++) {\\n\\t\\tcond_resched();\\n\\t\\tclear_user_highpage(page + i, addr + i * PAGE_SIZE);\\n\\t}\\n}\",\n \"static void copy_user_gigantic_page(struct page *dst, struct page *src,\\n\\t\\t\\t\\t unsigned long addr,\\n\\t\\t\\t\\t struct vm_area_struct *vma,\\n\\t\\t\\t\\t unsigned int pages_per_huge_page)\\n{\\n\\tint i;\\n\\tstruct page *dst_base = dst;\\n\\tstruct page *src_base = src;\",\n \"\\tfor (i = 0; i < pages_per_huge_page; ) {\\n\\t\\tcond_resched();\\n\\t\\tcopy_user_highpage(dst, src, addr + i*PAGE_SIZE, vma);\",\n \"\\t\\ti++;\\n\\t\\tdst = mem_map_next(dst, dst_base, i);\\n\\t\\tsrc = mem_map_next(src, src_base, i);\\n\\t}\\n}\",\n \"void copy_user_huge_page(struct page *dst, struct page *src,\\n\\t\\t\\t unsigned long addr, struct vm_area_struct *vma,\\n\\t\\t\\t unsigned int pages_per_huge_page)\\n{\\n\\tint i;\",\n \"\\tif (unlikely(pages_per_huge_page > MAX_ORDER_NR_PAGES)) {\\n\\t\\tcopy_user_gigantic_page(dst, src, addr, vma,\\n\\t\\t\\t\\t\\tpages_per_huge_page);\\n\\t\\treturn;\\n\\t}\",\n \"\\tmight_sleep();\\n\\tfor (i = 0; i < pages_per_huge_page; i++) {\\n\\t\\tcond_resched();\\n\\t\\tcopy_user_highpage(dst + i, src + i, addr + i*PAGE_SIZE, vma);\\n\\t}\\n}\\n#endif /* CONFIG_TRANSPARENT_HUGEPAGE || CONFIG_HUGETLBFS */\"\n]","isConversational":false},"labels":{"kind":"list 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\"2022-10-06\", \"cisaExploitAdd\": \"2022-09-15\", \"cisaRequiredAction\": \"Apply updates per vendor instructions.\", \"cisaVulnerabilityName\": \"Linux Kernel Integer Overflow Vulnerability\", \"configurations\": [{\"nodes\": [{\"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"D11FDC31-8717-4FE1-A2F0-731D2F387B2E\", \"versionEndExcluding\": null, \"versionEndIncluding\": \"3.8.8\", \"versionStartExcluding\": null, \"versionStartIncluding\": null, \"vulnerable\": true}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:3.8.0:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"1A6E41FB-38CE-49F2-B796-9A5AA648E73F\", \"versionEndExcluding\": null, \"versionEndIncluding\": null, \"versionStartExcluding\": null, \"versionStartIncluding\": null, \"vulnerable\": true}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:3.8.1:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"93523FE1-5993-46CB-9299-7C8C1A04E873\", \"versionEndExcluding\": null, \"versionEndIncluding\": 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\"versionEndIncluding\": null, \"versionStartExcluding\": null, \"versionStartIncluding\": null, \"vulnerable\": true}], \"negate\": false, \"operator\": \"OR\"}, {\"cpeMatch\": [{\"criteria\": \"cpe:2.3:h:motorola:atrix_hd:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"75B24D97-F98A-4A1A-B20E-EB6D610C71EA\", \"versionEndExcluding\": null, \"versionEndIncluding\": null, \"versionStartExcluding\": null, \"versionStartIncluding\": null, \"vulnerable\": true}, {\"criteria\": \"cpe:2.3:h:motorola:razr_hd:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"A5D2D0B7-8170-46F2-9FC8-2DDD3E96DE66\", \"versionEndExcluding\": null, \"versionEndIncluding\": null, \"versionStartExcluding\": null, \"versionStartIncluding\": null, \"vulnerable\": true}, {\"criteria\": \"cpe:2.3:h:motorola:razr_m:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"01FE07B3-068A-4C2A-A985-631070C17F51\", \"versionEndExcluding\": null, \"versionEndIncluding\": null, \"versionStartExcluding\": null, \"versionStartIncluding\": null, 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f\\u00edsicamente pr\\u00f3ximos obtener acceso de root entrando en el modo de depuraci\\u00f3n USB, usando Android Debug Bridge (ADB) para establecer una conexi\\u00f3n USB, y cargar y ejecutar el programa pwn Motochopper.\"}], \"evaluatorComment\": null, \"id\": \"CVE-2013-2596\", \"lastModified\": \"2016-12-31T02:59:02.887\", \"metrics\": {\"cvssMetricV2\": [{\"acInsufInfo\": false, \"baseSeverity\": \"MEDIUM\", \"cvssData\": {\"accessComplexity\": \"MEDIUM\", \"accessVector\": \"LOCAL\", \"authentication\": \"NONE\", \"availabilityImpact\": \"COMPLETE\", \"baseScore\": 6.9, \"confidentialityImpact\": \"COMPLETE\", \"integrityImpact\": \"COMPLETE\", \"vectorString\": \"AV:L/AC:M/Au:N/C:C/I:C/A:C\", \"version\": \"2.0\"}, \"exploitabilityScore\": 3.4, \"impactScore\": 10.0, \"obtainAllPrivilege\": true, \"obtainOtherPrivilege\": false, \"obtainUserPrivilege\": false, \"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"userInteractionRequired\": false}], \"cvssMetricV30\": null, \"cvssMetricV31\": null}, \"published\": \"2013-04-13T02:59:46.627\", \"references\": [{\"source\": \"cve@mitre.org\", \"tags\": [\"Exploit\"], \"url\": \"http://forum.xda-developers.com/showthread.php?t=2255491\"}, {\"source\": \"cve@mitre.org\", \"tags\": [\"Patch\"], \"url\": \"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b4cbb197c7e7a68dbad0d491242e3ca67420c13e\"}, {\"source\": \"cve@mitre.org\", \"tags\": [\"Exploit\", \"Patch\"], \"url\": \"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=fc9bbca8f650e5f738af8806317c0a041a48ae4a\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761\"}, {\"source\": \"cve@mitre.org\", \"tags\": [\"Patch\"], \"url\": \"http://marc.info/?l=linux-kernel&m=136616837923938&w=2\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://rhn.redhat.com/errata/RHSA-2015-0695.html\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://rhn.redhat.com/errata/RHSA-2015-0782.html\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://rhn.redhat.com/errata/RHSA-2015-0803.html\"}, {\"source\": \"cve@mitre.org\", \"tags\": [\"Exploit\"], \"url\": \"http://www.droid-life.com/2013/04/09/root-method-released-for-droid-razr-hd-running-android-4-1-2-other-devices-too/\"}, {\"source\": \"cve@mitre.org\", \"tags\": [\"Exploit\"], \"url\": \"http://www.droidrzr.com/index.php/topic/15208-root-motochopper-yet-another-android-root-exploit/\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.9\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://www.mandriva.com/security/advisories?name=MDVSA-2013:176\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://www.securityfocus.com/bid/59264\"}, {\"source\": \"cve@mitre.org\", \"tags\": [\"Patch\"], \"url\": \"https://github.com/torvalds/linux/commit/b4cbb197c7e7a68dbad0d491242e3ca67420c13e\"}, {\"source\": \"cve@mitre.org\", \"tags\": [\"Exploit\", \"Patch\"], \"url\": \"https://github.com/torvalds/linux/commit/fc9bbca8f650e5f738af8806317c0a041a48ae4a\"}], \"sourceIdentifier\": \"cve@mitre.org\", \"vendorComments\": null, \"vulnStatus\": \"Modified\", \"weaknesses\": [{\"description\": [{\"lang\": \"en\", \"value\": \"CWE-189\"}], \"source\": \"nvd@nist.gov\", \"type\": \"Primary\"}]}, \"github_commit_url\": \"https://github.com/torvalds/linux/commit/b4cbb197c7e7a68dbad0d491242e3ca67420c13e\"}, \"type\": \"CWE-189\"}"},"index":{"kind":"number","value":859,"string":"859"}}},{"rowIdx":5092,"cells":{"prompt":{"kind":"string","value":"Determine whether the {function_name} code is vulnerable or not."},"completions":{"kind":"list like","value":["/*-\n * SPDX-License-Identifier: BSD-3-Clause\n *\n * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved.\n * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.\n * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.\n *\n * Redistribution and use in source and binary forms, with or without\n * modification, are permitted provided that the following conditions are met:\n *\n * a) Redistributions of source code must retain the above copyright notice,\n * this list of conditions and the following disclaimer.\n *\n * b) Redistributions in binary form must reproduce the above copyright\n * notice, this list of conditions and the following disclaimer in\n * the documentation and/or other materials provided with the distribution.\n *\n * c) Neither the name of Cisco Systems, Inc. nor the names of its\n * contributors may be used to endorse or promote products derived\n * from this software without specific prior written permission.\n *\n * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\n * \"AS IS\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,\n * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\n * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\n * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\n * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\n * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\n * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\n * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\n * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF\n * THE POSSIBILITY OF SUCH DAMAGE.\n */","#ifdef __FreeBSD__\n#include <sys/cdefs.h>","__FBSDID(\"$FreeBSD: head/sys/netinet/sctp_auth.c 352438 2019-09-17 09:46:42Z tuexen $\");","#endif","#include <netinet/sctp_os.h>\n#include <netinet/sctp.h>\n#include <netinet/sctp_header.h>\n#include <netinet/sctp_pcb.h>\n#include <netinet/sctp_var.h>\n#include <netinet/sctp_sysctl.h>\n#include <netinet/sctputil.h>\n#include <netinet/sctp_indata.h>\n#include <netinet/sctp_output.h>\n#include <netinet/sctp_auth.h>","#ifdef SCTP_DEBUG\n#define SCTP_AUTH_DEBUG\t\t(SCTP_BASE_SYSCTL(sctp_debug_on) & SCTP_DEBUG_AUTH1)\n#define SCTP_AUTH_DEBUG2\t(SCTP_BASE_SYSCTL(sctp_debug_on) & SCTP_DEBUG_AUTH2)\n#endif /* SCTP_DEBUG */","\nvoid\nsctp_clear_chunklist(sctp_auth_chklist_t *chklist)\n{\n\tmemset(chklist, 0, sizeof(*chklist));\n\t/* chklist->num_chunks = 0; */\n}","sctp_auth_chklist_t *\nsctp_alloc_chunklist(void)\n{\n\tsctp_auth_chklist_t *chklist;","\tSCTP_MALLOC(chklist, sctp_auth_chklist_t *, sizeof(*chklist),\n\t\t SCTP_M_AUTH_CL);\n\tif (chklist == NULL) {\n\t\tSCTPDBG(SCTP_DEBUG_AUTH1, \"sctp_alloc_chunklist: failed to get memory!\\n\");\n\t} else {\n\t\tsctp_clear_chunklist(chklist);\n\t}\n\treturn (chklist);\n}","void\nsctp_free_chunklist(sctp_auth_chklist_t *list)\n{\n\tif (list != NULL)\n\t\tSCTP_FREE(list, SCTP_M_AUTH_CL);\n}","sctp_auth_chklist_t *\nsctp_copy_chunklist(sctp_auth_chklist_t *list)\n{\n\tsctp_auth_chklist_t *new_list;","\tif (list == NULL)\n\t\treturn (NULL);","\t/* get a new list */\n\tnew_list = sctp_alloc_chunklist();\n\tif (new_list == NULL)\n\t\treturn (NULL);\n\t/* copy it */\n\tmemcpy(new_list, list, sizeof(*new_list));","\treturn (new_list);\n}","\n/*\n * add a chunk to the required chunks list\n */\nint\nsctp_auth_add_chunk(uint8_t chunk, sctp_auth_chklist_t *list)\n{\n\tif (list == NULL)\n\t\treturn (-1);","\t/* is chunk restricted? */\n\tif ((chunk == SCTP_INITIATION) ||\n\t (chunk == SCTP_INITIATION_ACK) ||\n\t (chunk == SCTP_SHUTDOWN_COMPLETE) ||\n\t (chunk == SCTP_AUTHENTICATION)) {\n\t\treturn (-1);\n\t}\n\tif (list->chunks[chunk] == 0) {\n\t\tlist->chunks[chunk] = 1;\n\t\tlist->num_chunks++;\n\t\tSCTPDBG(SCTP_DEBUG_AUTH1,\n\t\t\t\"SCTP: added chunk %u (0x%02x) to Auth list\\n\",\n\t\t\tchunk, chunk);\n\t}\n\treturn (0);\n}","/*\n * delete a chunk from the required chunks list\n */\nint\nsctp_auth_delete_chunk(uint8_t chunk, sctp_auth_chklist_t *list)\n{\n\tif (list == NULL)\n\t\treturn (-1);","\tif (list->chunks[chunk] == 1) {\n\t\tlist->chunks[chunk] = 0;\n\t\tlist->num_chunks--;\n\t\tSCTPDBG(SCTP_DEBUG_AUTH1,\n\t\t\t\"SCTP: deleted chunk %u (0x%02x) from Auth list\\n\",\n\t\t\tchunk, chunk);\n\t}\n\treturn (0);\n}","size_t\nsctp_auth_get_chklist_size(const sctp_auth_chklist_t *list)\n{\n\tif (list == NULL)\n\t\treturn (0);\n\telse\n\t\treturn (list->num_chunks);\n}","/*\n * return the current number and list of required chunks caller must\n * guarantee ptr has space for up to 256 bytes\n */\nint\nsctp_serialize_auth_chunks(const sctp_auth_chklist_t *list, uint8_t *ptr)\n{\n\tint i, count = 0;","\tif (list == NULL)\n\t\treturn (0);","\tfor (i = 0; i < 256; i++) {\n\t\tif (list->chunks[i] != 0) {\n\t\t\t*ptr++ = i;\n\t\t\tcount++;\n\t\t}\n\t}\n\treturn (count);\n}","int\nsctp_pack_auth_chunks(const sctp_auth_chklist_t *list, uint8_t *ptr)\n{\n\tint i, size = 0;","\tif (list == NULL)\n\t\treturn (0);","\tif (list->num_chunks <= 32) {\n\t\t/* just list them, one byte each */\n\t\tfor (i = 0; i < 256; i++) {\n\t\t\tif (list->chunks[i] != 0) {\n\t\t\t\t*ptr++ = i;\n\t\t\t\tsize++;\n\t\t\t}\n\t\t}\n\t} else {\n\t\tint index, offset;","\t\t/* pack into a 32 byte bitfield */\n\t\tfor (i = 0; i < 256; i++) {\n\t\t\tif (list->chunks[i] != 0) {\n\t\t\t\tindex = i / 8;\n\t\t\t\toffset = i % 8;\n\t\t\t\tptr[index] |= (1 << offset);\n\t\t\t}\n\t\t}\n\t\tsize = 32;\n\t}\n\treturn (size);\n}","int\nsctp_unpack_auth_chunks(const uint8_t *ptr, uint8_t num_chunks,\n sctp_auth_chklist_t *list)\n{\n\tint i;\n\tint size;","\tif (list == NULL)\n\t\treturn (0);","\tif (num_chunks <= 32) {\n\t\t/* just pull them, one byte each */\n\t\tfor (i = 0; i < num_chunks; i++) {\n\t\t\t(void)sctp_auth_add_chunk(*ptr++, list);\n\t\t}\n\t\tsize = num_chunks;\n\t} else {\n\t\tint index, offset;","\t\t/* unpack from a 32 byte bitfield */\n\t\tfor (index = 0; index < 32; index++) {\n\t\t\tfor (offset = 0; offset < 8; offset++) {\n\t\t\t\tif (ptr[index] & (1 << offset)) {\n\t\t\t\t\t(void)sctp_auth_add_chunk((index * 8) + offset, list);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\tsize = 32;\n\t}\n\treturn (size);\n}","\n/*\n * allocate structure space for a key of length keylen\n */\nsctp_key_t *\nsctp_alloc_key(uint32_t keylen)\n{\n\tsctp_key_t *new_key;","\tSCTP_MALLOC(new_key, sctp_key_t *, sizeof(*new_key) + keylen,\n\t\t SCTP_M_AUTH_KY);\n\tif (new_key == NULL) {\n\t\t/* out of memory */\n\t\treturn (NULL);\n\t}\n\tnew_key->keylen = keylen;\n\treturn (new_key);\n}","void\nsctp_free_key(sctp_key_t *key)\n{\n\tif (key != NULL)\n\t\tSCTP_FREE(key,SCTP_M_AUTH_KY);\n}","void\nsctp_print_key(sctp_key_t *key, const char *str)\n{\n\tuint32_t i;","\tif (key == NULL) {\n\t\tSCTP_PRINTF(\"%s: [Null key]\\n\", str);\n\t\treturn;\n\t}\n\tSCTP_PRINTF(\"%s: len %u, \", str, key->keylen);\n\tif (key->keylen) {\n\t\tfor (i = 0; i < key->keylen; i++)\n\t\t\tSCTP_PRINTF(\"%02x\", key->key[i]);\n\t\tSCTP_PRINTF(\"\\n\");\n\t} else {\n\t\tSCTP_PRINTF(\"[Null key]\\n\");\n\t}\n}","void\nsctp_show_key(sctp_key_t *key, const char *str)\n{\n\tuint32_t i;","\tif (key == NULL) {\n\t\tSCTP_PRINTF(\"%s: [Null key]\\n\", str);\n\t\treturn;\n\t}\n\tSCTP_PRINTF(\"%s: len %u, \", str, key->keylen);\n\tif (key->keylen) {\n\t\tfor (i = 0; i < key->keylen; i++)\n\t\t\tSCTP_PRINTF(\"%02x\", key->key[i]);\n\t\tSCTP_PRINTF(\"\\n\");\n\t} else {\n\t\tSCTP_PRINTF(\"[Null key]\\n\");\n\t}\n}","static uint32_t\nsctp_get_keylen(sctp_key_t *key)\n{\n\tif (key != NULL)\n\t\treturn (key->keylen);\n\telse\n\t\treturn (0);\n}","/*\n * generate a new random key of length 'keylen'\n */\nsctp_key_t *\nsctp_generate_random_key(uint32_t keylen)\n{\n\tsctp_key_t *new_key;","\tnew_key = sctp_alloc_key(keylen);\n\tif (new_key == NULL) {\n\t\t/* out of memory */\n\t\treturn (NULL);\n\t}\n\tSCTP_READ_RANDOM(new_key->key, keylen);\n\tnew_key->keylen = keylen;\n\treturn (new_key);\n}","sctp_key_t *\nsctp_set_key(uint8_t *key, uint32_t keylen)\n{\n\tsctp_key_t *new_key;","\tnew_key = sctp_alloc_key(keylen);\n\tif (new_key == NULL) {\n\t\t/* out of memory */\n\t\treturn (NULL);\n\t}\n\tmemcpy(new_key->key, key, keylen);\n\treturn (new_key);\n}","/*-\n * given two keys of variable size, compute which key is \"larger/smaller\"\n * returns: 1 if key1 > key2\n * -1 if key1 < key2\n * 0 if key1 = key2\n */\nstatic int\nsctp_compare_key(sctp_key_t *key1, sctp_key_t *key2)\n{\n\tuint32_t maxlen;\n\tuint32_t i;\n\tuint32_t key1len, key2len;\n\tuint8_t *key_1, *key_2;\n\tuint8_t val1, val2;","\t/* sanity/length check */\n\tkey1len = sctp_get_keylen(key1);\n\tkey2len = sctp_get_keylen(key2);\n\tif ((key1len == 0) && (key2len == 0))\n\t\treturn (0);\n\telse if (key1len == 0)\n\t\treturn (-1);\n\telse if (key2len == 0)\n\t\treturn (1);","\tif (key1len < key2len) {\n\t\tmaxlen = key2len;\n\t} else {\n\t\tmaxlen = key1len;\n\t}\n\tkey_1 = key1->key;\n\tkey_2 = key2->key;\n\t/* check for numeric equality */\n\tfor (i = 0; i < maxlen; i++) {\n\t\t/* left-pad with zeros */\n\t\tval1 = (i < (maxlen - key1len)) ? 0 : *(key_1++);\n\t\tval2 = (i < (maxlen - key2len)) ? 0 : *(key_2++);\n\t\tif (val1 > val2) {\n\t\t\treturn (1);\n\t\t} else if (val1 < val2) {\n\t\t\treturn (-1);\n\t\t}\n\t}\n\t/* keys are equal value, so check lengths */\n\tif (key1len == key2len)\n\t\treturn (0);\n\telse if (key1len < key2len)\n\t\treturn (-1);\n\telse\n\t\treturn (1);\n}","/*\n * generate the concatenated keying material based on the two keys and the\n * shared key (if available). draft-ietf-tsvwg-auth specifies the specific\n * order for concatenation\n */\nsctp_key_t *\nsctp_compute_hashkey(sctp_key_t *key1, sctp_key_t *key2, sctp_key_t *shared)\n{\n\tuint32_t keylen;\n\tsctp_key_t *new_key;\n\tuint8_t *key_ptr;","\tkeylen = sctp_get_keylen(key1) + sctp_get_keylen(key2) +\n\t sctp_get_keylen(shared);","\tif (keylen > 0) {\n\t\t/* get space for the new key */\n\t\tnew_key = sctp_alloc_key(keylen);\n\t\tif (new_key == NULL) {\n\t\t\t/* out of memory */\n\t\t\treturn (NULL);\n\t\t}\n\t\tnew_key->keylen = keylen;\n\t\tkey_ptr = new_key->key;\n\t} else {\n\t\t/* all keys empty/null?! */\n\t\treturn (NULL);\n\t}","\t/* concatenate the keys */\n\tif (sctp_compare_key(key1, key2) <= 0) {\n\t\t/* key is shared + key1 + key2 */\n\t\tif (sctp_get_keylen(shared)) {\n\t\t\tmemcpy(key_ptr, shared->key, shared->keylen);\n\t\t\tkey_ptr += shared->keylen;\n\t\t}\n\t\tif (sctp_get_keylen(key1)) {\n\t\t\tmemcpy(key_ptr, key1->key, key1->keylen);\n\t\t\tkey_ptr += key1->keylen;\n\t\t}\n\t\tif (sctp_get_keylen(key2)) {\n\t\t\tmemcpy(key_ptr, key2->key, key2->keylen);\n\t\t}\n\t} else {\n\t\t/* key is shared + key2 + key1 */\n\t\tif (sctp_get_keylen(shared)) {\n\t\t\tmemcpy(key_ptr, shared->key, shared->keylen);\n\t\t\tkey_ptr += shared->keylen;\n\t\t}\n\t\tif (sctp_get_keylen(key2)) {\n\t\t\tmemcpy(key_ptr, key2->key, key2->keylen);\n\t\t\tkey_ptr += key2->keylen;\n\t\t}\n\t\tif (sctp_get_keylen(key1)) {\n\t\t\tmemcpy(key_ptr, key1->key, key1->keylen);\n\t\t}\n\t}\n\treturn (new_key);\n}","\nsctp_sharedkey_t *\nsctp_alloc_sharedkey(void)\n{\n\tsctp_sharedkey_t *new_key;","\tSCTP_MALLOC(new_key, sctp_sharedkey_t *, sizeof(*new_key),\n\t\t SCTP_M_AUTH_KY);\n\tif (new_key == NULL) {\n\t\t/* out of memory */\n\t\treturn (NULL);\n\t}\n\tnew_key->keyid = 0;\n\tnew_key->key = NULL;\n\tnew_key->refcount = 1;\n\tnew_key->deactivated = 0;\n\treturn (new_key);\n}","void\nsctp_free_sharedkey(sctp_sharedkey_t *skey)\n{\n\tif (skey == NULL)\n\t\treturn;","\tif (SCTP_DECREMENT_AND_CHECK_REFCOUNT(&skey->refcount)) {\n\t\tif (skey->key != NULL)\n\t\t\tsctp_free_key(skey->key);\n\t\tSCTP_FREE(skey, SCTP_M_AUTH_KY);\n\t}\n}","sctp_sharedkey_t *\nsctp_find_sharedkey(struct sctp_keyhead *shared_keys, uint16_t key_id)\n{\n\tsctp_sharedkey_t *skey;","\tLIST_FOREACH(skey, shared_keys, next) {\n\t\tif (skey->keyid == key_id)\n\t\t\treturn (skey);\n\t}\n\treturn (NULL);\n}","int\nsctp_insert_sharedkey(struct sctp_keyhead *shared_keys,\n\t\t sctp_sharedkey_t *new_skey)\n{\n\tsctp_sharedkey_t *skey;","\tif ((shared_keys == NULL) || (new_skey == NULL))\n\t\treturn (EINVAL);","\t/* insert into an empty list? */\n\tif (LIST_EMPTY(shared_keys)) {\n\t\tLIST_INSERT_HEAD(shared_keys, new_skey, next);\n\t\treturn (0);\n\t}\n\t/* insert into the existing list, ordered by key id */\n\tLIST_FOREACH(skey, shared_keys, next) {\n\t\tif (new_skey->keyid < skey->keyid) {\n\t\t\t/* insert it before here */\n\t\t\tLIST_INSERT_BEFORE(skey, new_skey, next);\n\t\t\treturn (0);\n\t\t} else if (new_skey->keyid == skey->keyid) {\n\t\t\t/* replace the existing key */\n\t\t\t/* verify this key *can* be replaced */\n\t\t\tif ((skey->deactivated) || (skey->refcount > 1)) {\n\t\t\t\tSCTPDBG(SCTP_DEBUG_AUTH1,\n\t\t\t\t\t\"can't replace shared key id %u\\n\",\n\t\t\t\t\tnew_skey->keyid);\n\t\t\t\treturn (EBUSY);\n\t\t\t}\n\t\t\tSCTPDBG(SCTP_DEBUG_AUTH1,\n\t\t\t\t\"replacing shared key id %u\\n\",\n\t\t\t\tnew_skey->keyid);\n\t\t\tLIST_INSERT_BEFORE(skey, new_skey, next);\n\t\t\tLIST_REMOVE(skey, next);\n\t\t\tsctp_free_sharedkey(skey);\n\t\t\treturn (0);\n\t\t}\n\t\tif (LIST_NEXT(skey, next) == NULL) {\n\t\t\t/* belongs at the end of the list */\n\t\t\tLIST_INSERT_AFTER(skey, new_skey, next);\n\t\t\treturn (0);\n\t\t}\n\t}\n\t/* shouldn't reach here */\n\treturn (EINVAL);\n}","void\nsctp_auth_key_acquire(struct sctp_tcb *stcb, uint16_t key_id)\n{\n\tsctp_sharedkey_t *skey;","\t/* find the shared key */\n\tskey = sctp_find_sharedkey(&stcb->asoc.shared_keys, key_id);","\t/* bump the ref count */\n\tif (skey) {\n\t\tatomic_add_int(&skey->refcount, 1);\n\t\tSCTPDBG(SCTP_DEBUG_AUTH2,\n\t\t\t\"%s: stcb %p key %u refcount acquire to %d\\n\",\n\t\t\t__func__, (void *)stcb, key_id, skey->refcount);\n\t}\n}","void\nsctp_auth_key_release(struct sctp_tcb *stcb, uint16_t key_id, int so_locked\n#if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING)\n\tSCTP_UNUSED\n#endif\n)\n{\n\tsctp_sharedkey_t *skey;","\t/* find the shared key */\n\tskey = sctp_find_sharedkey(&stcb->asoc.shared_keys, key_id);","\t/* decrement the ref count */\n\tif (skey) {\n\t\tSCTPDBG(SCTP_DEBUG_AUTH2,\n\t\t\t\"%s: stcb %p key %u refcount release to %d\\n\",\n\t\t\t__func__, (void *)stcb, key_id, skey->refcount);","\t\t/* see if a notification should be generated */\n\t\tif ((skey->refcount <= 2) && (skey->deactivated)) {\n\t\t\t/* notify ULP that key is no longer used */\n\t\t\tsctp_ulp_notify(SCTP_NOTIFY_AUTH_FREE_KEY, stcb,\n\t\t\t\t\tkey_id, 0, so_locked);\n\t\t\tSCTPDBG(SCTP_DEBUG_AUTH2,\n\t\t\t\t\"%s: stcb %p key %u no longer used, %d\\n\",\n\t\t\t\t__func__, (void *)stcb, key_id, skey->refcount);\n\t\t}\n\t\tsctp_free_sharedkey(skey);\n\t}\n}","static sctp_sharedkey_t *\nsctp_copy_sharedkey(const sctp_sharedkey_t *skey)\n{\n\tsctp_sharedkey_t *new_skey;","\tif (skey == NULL)\n\t\treturn (NULL);\n\tnew_skey = sctp_alloc_sharedkey();\n\tif (new_skey == NULL)\n\t\treturn (NULL);\n\tif (skey->key != NULL)\n\t\tnew_skey->key = sctp_set_key(skey->key->key, skey->key->keylen);\n\telse\n\t\tnew_skey->key = NULL;\n\tnew_skey->keyid = skey->keyid;\n\treturn (new_skey);\n}","int\nsctp_copy_skeylist(const struct sctp_keyhead *src, struct sctp_keyhead *dest)\n{\n\tsctp_sharedkey_t *skey, *new_skey;\n\tint count = 0;","\tif ((src == NULL) || (dest == NULL))\n\t\treturn (0);\n\tLIST_FOREACH(skey, src, next) {\n\t\tnew_skey = sctp_copy_sharedkey(skey);\n\t\tif (new_skey != NULL) {\n\t\t\tif (sctp_insert_sharedkey(dest, new_skey)) {\n\t\t\t\tsctp_free_sharedkey(new_skey);\n\t\t\t} else {\n\t\t\t\tcount++;\n\t\t\t}\n\t\t}\n\t}\n\treturn (count);\n}","\nsctp_hmaclist_t *\nsctp_alloc_hmaclist(uint16_t num_hmacs)\n{\n\tsctp_hmaclist_t *new_list;\n\tint alloc_size;","\talloc_size = sizeof(*new_list) + num_hmacs * sizeof(new_list->hmac[0]);\n\tSCTP_MALLOC(new_list, sctp_hmaclist_t *, alloc_size,\n\t\t SCTP_M_AUTH_HL);\n\tif (new_list == NULL) {\n\t\t/* out of memory */\n\t\treturn (NULL);\n\t}\n\tnew_list->max_algo = num_hmacs;\n\tnew_list->num_algo = 0;\n\treturn (new_list);\n}","void\nsctp_free_hmaclist(sctp_hmaclist_t *list)\n{\n\tif (list != NULL) {\n\t\tSCTP_FREE(list,SCTP_M_AUTH_HL);\n\t\tlist = NULL;\n\t}\n}","int\nsctp_auth_add_hmacid(sctp_hmaclist_t *list, uint16_t hmac_id)\n{\n\tint i;\n\tif (list == NULL)\n\t\treturn (-1);\n\tif (list->num_algo == list->max_algo) {\n\t\tSCTPDBG(SCTP_DEBUG_AUTH1,\n\t\t\t\"SCTP: HMAC id list full, ignoring add %u\\n\", hmac_id);\n\t\treturn (-1);\n\t}\n#if defined(SCTP_SUPPORT_HMAC_SHA256)\n\tif ((hmac_id != SCTP_AUTH_HMAC_ID_SHA1) &&\n\t (hmac_id != SCTP_AUTH_HMAC_ID_SHA256)) {\n#else\n\tif (hmac_id != SCTP_AUTH_HMAC_ID_SHA1) {\n#endif\n\t\treturn (-1);\n\t}\n\t/* Now is it already in the list */\n\tfor (i = 0; i < list->num_algo; i++) {\n\t\tif (list->hmac[i] == hmac_id) {\n\t\t\t/* already in list */\n\t\t\treturn (-1);\n\t\t}\n\t}\n\tSCTPDBG(SCTP_DEBUG_AUTH1, \"SCTP: add HMAC id %u to list\\n\", hmac_id);\n\tlist->hmac[list->num_algo++] = hmac_id;\n\treturn (0);\n}","sctp_hmaclist_t *\nsctp_copy_hmaclist(sctp_hmaclist_t *list)\n{\n\tsctp_hmaclist_t *new_list;\n\tint i;","\tif (list == NULL)\n\t\treturn (NULL);\n\t/* get a new list */\n\tnew_list = sctp_alloc_hmaclist(list->max_algo);\n\tif (new_list == NULL)\n\t\treturn (NULL);\n\t/* copy it */\n\tnew_list->max_algo = list->max_algo;\n\tnew_list->num_algo = list->num_algo;\n\tfor (i = 0; i < list->num_algo; i++)\n\t\tnew_list->hmac[i] = list->hmac[i];\n\treturn (new_list);\n}","sctp_hmaclist_t *\nsctp_default_supported_hmaclist(void)\n{\n\tsctp_hmaclist_t *new_list;","#if defined(SCTP_SUPPORT_HMAC_SHA256)\n\tnew_list = sctp_alloc_hmaclist(2);\n#else\n\tnew_list = sctp_alloc_hmaclist(1);\n#endif\n\tif (new_list == NULL)\n\t\treturn (NULL);\n#if defined(SCTP_SUPPORT_HMAC_SHA256)\n\t/* We prefer SHA256, so list it first */\n\t(void)sctp_auth_add_hmacid(new_list, SCTP_AUTH_HMAC_ID_SHA256);\n#endif\n\t(void)sctp_auth_add_hmacid(new_list, SCTP_AUTH_HMAC_ID_SHA1);\n\treturn (new_list);\n}","/*-\n * HMAC algos are listed in priority/preference order\n * find the best HMAC id to use for the peer based on local support\n */\nuint16_t\nsctp_negotiate_hmacid(sctp_hmaclist_t *peer, sctp_hmaclist_t *local)\n{\n\tint i, j;","\tif ((local == NULL) || (peer == NULL))\n\t\treturn (SCTP_AUTH_HMAC_ID_RSVD);","\tfor (i = 0; i < peer->num_algo; i++) {\n\t\tfor (j = 0; j < local->num_algo; j++) {\n\t\t\tif (peer->hmac[i] == local->hmac[j]) {\n\t\t\t\t/* found the \"best\" one */\n\t\t\t\tSCTPDBG(SCTP_DEBUG_AUTH1,\n\t\t\t\t\t\"SCTP: negotiated peer HMAC id %u\\n\",\n\t\t\t\t\tpeer->hmac[i]);\n\t\t\t\treturn (peer->hmac[i]);\n\t\t\t}\n\t\t}\n\t}\n\t/* didn't find one! */\n\treturn (SCTP_AUTH_HMAC_ID_RSVD);\n}","/*-\n * serialize the HMAC algo list and return space used\n * caller must guarantee ptr has appropriate space\n */\nint\nsctp_serialize_hmaclist(sctp_hmaclist_t *list, uint8_t *ptr)\n{\n\tint i;\n\tuint16_t hmac_id;","\tif (list == NULL)\n\t\treturn (0);","\tfor (i = 0; i < list->num_algo; i++) {\n\t\thmac_id = htons(list->hmac[i]);\n\t\tmemcpy(ptr, &hmac_id, sizeof(hmac_id));\n\t\tptr += sizeof(hmac_id);\n\t}\n\treturn (list->num_algo * sizeof(hmac_id));\n}","int\nsctp_verify_hmac_param (struct sctp_auth_hmac_algo *hmacs, uint32_t num_hmacs)\n{\n\tuint32_t i;","\tfor (i = 0; i < num_hmacs; i++) {\n\t\tif (ntohs(hmacs->hmac_ids[i]) == SCTP_AUTH_HMAC_ID_SHA1) {\n\t\t\treturn (0);\n\t\t}\n\t}\n\treturn (-1);\n}","sctp_authinfo_t *\nsctp_alloc_authinfo(void)\n{\n\tsctp_authinfo_t *new_authinfo;","\tSCTP_MALLOC(new_authinfo, sctp_authinfo_t *, sizeof(*new_authinfo),\n\t\t SCTP_M_AUTH_IF);","\tif (new_authinfo == NULL) {\n\t\t/* out of memory */\n\t\treturn (NULL);\n\t}\n\tmemset(new_authinfo, 0, sizeof(*new_authinfo));\n\treturn (new_authinfo);\n}","void\nsctp_free_authinfo(sctp_authinfo_t *authinfo)\n{\n\tif (authinfo == NULL)\n\t\treturn;","\tif (authinfo->random != NULL)\n\t\tsctp_free_key(authinfo->random);\n\tif (authinfo->peer_random != NULL)\n\t\tsctp_free_key(authinfo->peer_random);\n\tif (authinfo->assoc_key != NULL)\n\t\tsctp_free_key(authinfo->assoc_key);\n\tif (authinfo->recv_key != NULL)\n\t\tsctp_free_key(authinfo->recv_key);","\t/* We are NOT dynamically allocating authinfo's right now... */\n\t/* SCTP_FREE(authinfo, SCTP_M_AUTH_??); */\n}","\nuint32_t\nsctp_get_auth_chunk_len(uint16_t hmac_algo)\n{\n\tint size;","\tsize = sizeof(struct sctp_auth_chunk) + sctp_get_hmac_digest_len(hmac_algo);\n\treturn (SCTP_SIZE32(size));\n}","uint32_t\nsctp_get_hmac_digest_len(uint16_t hmac_algo)\n{\n\tswitch (hmac_algo) {\n\tcase SCTP_AUTH_HMAC_ID_SHA1:\n\t\treturn (SCTP_AUTH_DIGEST_LEN_SHA1);\n#if defined(SCTP_SUPPORT_HMAC_SHA256)\n\tcase SCTP_AUTH_HMAC_ID_SHA256:\n\t\treturn (SCTP_AUTH_DIGEST_LEN_SHA256);\n#endif\n\tdefault:\n\t\t/* unknown HMAC algorithm: can't do anything */\n\t\treturn (0);\n\t} /* end switch */\n}","static inline int\nsctp_get_hmac_block_len(uint16_t hmac_algo)\n{\n\tswitch (hmac_algo) {\n\tcase SCTP_AUTH_HMAC_ID_SHA1:\n\t\treturn (64);\n#if defined(SCTP_SUPPORT_HMAC_SHA256)\n\tcase SCTP_AUTH_HMAC_ID_SHA256:\n\t\treturn (64);\n#endif\n\tcase SCTP_AUTH_HMAC_ID_RSVD:\n\tdefault:\n\t\t/* unknown HMAC algorithm: can't do anything */\n\t\treturn (0);\n\t} /* end switch */\n}","#if defined(__Userspace__)\n/* __Userspace__ SHA1_Init is defined in libcrypto.a (libssl-dev on Ubuntu) */\n#endif\nstatic void\nsctp_hmac_init(uint16_t hmac_algo, sctp_hash_context_t *ctx)\n{\n\tswitch (hmac_algo) {\n\tcase SCTP_AUTH_HMAC_ID_SHA1:\n\t\tSCTP_SHA1_INIT(&ctx->sha1);\n\t\tbreak;\n#if defined(SCTP_SUPPORT_HMAC_SHA256)\n\tcase SCTP_AUTH_HMAC_ID_SHA256:\n\t\tSCTP_SHA256_INIT(&ctx->sha256);\n\t\tbreak;\n#endif\n\tcase SCTP_AUTH_HMAC_ID_RSVD:\n\tdefault:\n\t\t/* unknown HMAC algorithm: can't do anything */\n\t\treturn;\n\t} /* end switch */\n}","static void\nsctp_hmac_update(uint16_t hmac_algo, sctp_hash_context_t *ctx,\n uint8_t *text, uint32_t textlen)\n{\n\tswitch (hmac_algo) {\n\tcase SCTP_AUTH_HMAC_ID_SHA1:\n\t\tSCTP_SHA1_UPDATE(&ctx->sha1, text, textlen);\n\t\tbreak;\n#if defined(SCTP_SUPPORT_HMAC_SHA256)\n\tcase SCTP_AUTH_HMAC_ID_SHA256:\n\t\tSCTP_SHA256_UPDATE(&ctx->sha256, text, textlen);\n\t\tbreak;\n#endif\n\tcase SCTP_AUTH_HMAC_ID_RSVD:\n\tdefault:\n\t\t/* unknown HMAC algorithm: can't do anything */\n\t\treturn;\n\t} /* end switch */\n}","static void\nsctp_hmac_final(uint16_t hmac_algo, sctp_hash_context_t *ctx,\n uint8_t *digest)\n{\n\tswitch (hmac_algo) {\n\tcase SCTP_AUTH_HMAC_ID_SHA1:\n\t\tSCTP_SHA1_FINAL(digest, &ctx->sha1);\n\t\tbreak;\n#if defined(SCTP_SUPPORT_HMAC_SHA256)\n\tcase SCTP_AUTH_HMAC_ID_SHA256:\n\t\tSCTP_SHA256_FINAL(digest, &ctx->sha256);\n\t\tbreak;\n#endif\n\tcase SCTP_AUTH_HMAC_ID_RSVD:\n\tdefault:\n\t\t/* unknown HMAC algorithm: can't do anything */\n\t\treturn;\n\t} /* end switch */\n}","/*-\n * Keyed-Hashing for Message Authentication: FIPS 198 (RFC 2104)\n *\n * Compute the HMAC digest using the desired hash key, text, and HMAC\n * algorithm. Resulting digest is placed in 'digest' and digest length\n * is returned, if the HMAC was performed.\n *\n * WARNING: it is up to the caller to supply sufficient space to hold the\n * resultant digest.\n */\nuint32_t\nsctp_hmac(uint16_t hmac_algo, uint8_t *key, uint32_t keylen,\n uint8_t *text, uint32_t textlen, uint8_t *digest)\n{\n\tuint32_t digestlen;\n\tuint32_t blocklen;\n\tsctp_hash_context_t ctx;\n\tuint8_t ipad[128], opad[128];\t/* keyed hash inner/outer pads */\n\tuint8_t temp[SCTP_AUTH_DIGEST_LEN_MAX];\n\tuint32_t i;","\t/* sanity check the material and length */\n\tif ((key == NULL) || (keylen == 0) || (text == NULL) ||\n\t (textlen == 0) || (digest == NULL)) {\n\t\t/* can't do HMAC with empty key or text or digest store */\n\t\treturn (0);\n\t}\n\t/* validate the hmac algo and get the digest length */\n\tdigestlen = sctp_get_hmac_digest_len(hmac_algo);\n\tif (digestlen == 0)\n\t\treturn (0);","\t/* hash the key if it is longer than the hash block size */\n\tblocklen = sctp_get_hmac_block_len(hmac_algo);\n\tif (keylen > blocklen) {\n\t\tsctp_hmac_init(hmac_algo, &ctx);\n\t\tsctp_hmac_update(hmac_algo, &ctx, key, keylen);\n\t\tsctp_hmac_final(hmac_algo, &ctx, temp);\n\t\t/* set the hashed key as the key */\n\t\tkeylen = digestlen;\n\t\tkey = temp;\n\t}\n\t/* initialize the inner/outer pads with the key and \"append\" zeroes */\n\tmemset(ipad, 0, blocklen);\n\tmemset(opad, 0, blocklen);\n\tmemcpy(ipad, key, keylen);\n\tmemcpy(opad, key, keylen);","\t/* XOR the key with ipad and opad values */\n\tfor (i = 0; i < blocklen; i++) {\n\t\tipad[i] ^= 0x36;\n\t\topad[i] ^= 0x5c;\n\t}","\t/* perform inner hash */\n\tsctp_hmac_init(hmac_algo, &ctx);\n\tsctp_hmac_update(hmac_algo, &ctx, ipad, blocklen);\n\tsctp_hmac_update(hmac_algo, &ctx, text, textlen);\n\tsctp_hmac_final(hmac_algo, &ctx, temp);","\t/* perform outer hash */\n\tsctp_hmac_init(hmac_algo, &ctx);\n\tsctp_hmac_update(hmac_algo, &ctx, opad, blocklen);\n\tsctp_hmac_update(hmac_algo, &ctx, temp, digestlen);\n\tsctp_hmac_final(hmac_algo, &ctx, digest);","\treturn (digestlen);\n}","/* mbuf version */\nuint32_t\nsctp_hmac_m(uint16_t hmac_algo, uint8_t *key, uint32_t keylen,\n struct mbuf *m, uint32_t m_offset, uint8_t *digest, uint32_t trailer)\n{\n\tuint32_t digestlen;\n\tuint32_t blocklen;\n\tsctp_hash_context_t ctx;\n\tuint8_t ipad[128], opad[128];\t/* keyed hash inner/outer pads */\n\tuint8_t temp[SCTP_AUTH_DIGEST_LEN_MAX];\n\tuint32_t i;\n\tstruct mbuf *m_tmp;","\t/* sanity check the material and length */\n\tif ((key == NULL) || (keylen == 0) || (m == NULL) || (digest == NULL)) {\n\t\t/* can't do HMAC with empty key or text or digest store */\n\t\treturn (0);\n\t}\n\t/* validate the hmac algo and get the digest length */\n\tdigestlen = sctp_get_hmac_digest_len(hmac_algo);\n\tif (digestlen == 0)\n\t\treturn (0);","\t/* hash the key if it is longer than the hash block size */\n\tblocklen = sctp_get_hmac_block_len(hmac_algo);\n\tif (keylen > blocklen) {\n\t\tsctp_hmac_init(hmac_algo, &ctx);\n\t\tsctp_hmac_update(hmac_algo, &ctx, key, keylen);\n\t\tsctp_hmac_final(hmac_algo, &ctx, temp);\n\t\t/* set the hashed key as the key */\n\t\tkeylen = digestlen;\n\t\tkey = temp;\n\t}\n\t/* initialize the inner/outer pads with the key and \"append\" zeroes */\n\tmemset(ipad, 0, blocklen);\n\tmemset(opad, 0, blocklen);\n\tmemcpy(ipad, key, keylen);\n\tmemcpy(opad, key, keylen);","\t/* XOR the key with ipad and opad values */\n\tfor (i = 0; i < blocklen; i++) {\n\t\tipad[i] ^= 0x36;\n\t\topad[i] ^= 0x5c;\n\t}","\t/* perform inner hash */\n\tsctp_hmac_init(hmac_algo, &ctx);\n\tsctp_hmac_update(hmac_algo, &ctx, ipad, blocklen);\n\t/* find the correct starting mbuf and offset (get start of text) */\n\tm_tmp = m;\n\twhile ((m_tmp != NULL) && (m_offset >= (uint32_t) SCTP_BUF_LEN(m_tmp))) {\n\t\tm_offset -= SCTP_BUF_LEN(m_tmp);\n\t\tm_tmp = SCTP_BUF_NEXT(m_tmp);\n\t}\n\t/* now use the rest of the mbuf chain for the text */\n\twhile (m_tmp != NULL) {\n\t\tif ((SCTP_BUF_NEXT(m_tmp) == NULL) && trailer) {\n\t\t\tsctp_hmac_update(hmac_algo, &ctx, mtod(m_tmp, uint8_t *) + m_offset,\n\t\t\t\t\t SCTP_BUF_LEN(m_tmp) - (trailer+m_offset));\n\t\t} else {\n\t\t\tsctp_hmac_update(hmac_algo, &ctx, mtod(m_tmp, uint8_t *) + m_offset,\n\t\t\t\t\t SCTP_BUF_LEN(m_tmp) - m_offset);\n\t\t}","\t\t/* clear the offset since it's only for the first mbuf */\n\t\tm_offset = 0;\n\t\tm_tmp = SCTP_BUF_NEXT(m_tmp);\n\t}\n\tsctp_hmac_final(hmac_algo, &ctx, temp);","\t/* perform outer hash */\n\tsctp_hmac_init(hmac_algo, &ctx);\n\tsctp_hmac_update(hmac_algo, &ctx, opad, blocklen);\n\tsctp_hmac_update(hmac_algo, &ctx, temp, digestlen);\n\tsctp_hmac_final(hmac_algo, &ctx, digest);","\treturn (digestlen);\n}","/*\n * computes the requested HMAC using a key struct (which may be modified if\n * the keylen exceeds the HMAC block len).\n */\nuint32_t\nsctp_compute_hmac(uint16_t hmac_algo, sctp_key_t *key, uint8_t *text,\n uint32_t textlen, uint8_t *digest)\n{\n\tuint32_t digestlen;\n\tuint32_t blocklen;\n\tsctp_hash_context_t ctx;\n\tuint8_t temp[SCTP_AUTH_DIGEST_LEN_MAX];","\t/* sanity check */\n\tif ((key == NULL) || (text == NULL) || (textlen == 0) ||\n\t (digest == NULL)) {\n\t\t/* can't do HMAC with empty key or text or digest store */\n\t\treturn (0);\n\t}\n\t/* validate the hmac algo and get the digest length */\n\tdigestlen = sctp_get_hmac_digest_len(hmac_algo);\n\tif (digestlen == 0)\n\t\treturn (0);","\t/* hash the key if it is longer than the hash block size */\n\tblocklen = sctp_get_hmac_block_len(hmac_algo);\n\tif (key->keylen > blocklen) {\n\t\tsctp_hmac_init(hmac_algo, &ctx);\n\t\tsctp_hmac_update(hmac_algo, &ctx, key->key, key->keylen);\n\t\tsctp_hmac_final(hmac_algo, &ctx, temp);\n\t\t/* save the hashed key as the new key */\n\t\tkey->keylen = digestlen;\n\t\tmemcpy(key->key, temp, key->keylen);\n\t}\n\treturn (sctp_hmac(hmac_algo, key->key, key->keylen, text, textlen,\n\t digest));\n}","/* mbuf version */\nuint32_t\nsctp_compute_hmac_m(uint16_t hmac_algo, sctp_key_t *key, struct mbuf *m,\n uint32_t m_offset, uint8_t *digest)\n{\n\tuint32_t digestlen;\n\tuint32_t blocklen;\n\tsctp_hash_context_t ctx;\n\tuint8_t temp[SCTP_AUTH_DIGEST_LEN_MAX];","\t/* sanity check */\n\tif ((key == NULL) || (m == NULL) || (digest == NULL)) {\n\t\t/* can't do HMAC with empty key or text or digest store */\n\t\treturn (0);\n\t}\n\t/* validate the hmac algo and get the digest length */\n\tdigestlen = sctp_get_hmac_digest_len(hmac_algo);\n\tif (digestlen == 0)\n\t\treturn (0);","\t/* hash the key if it is longer than the hash block size */\n\tblocklen = sctp_get_hmac_block_len(hmac_algo);\n\tif (key->keylen > blocklen) {\n\t\tsctp_hmac_init(hmac_algo, &ctx);\n\t\tsctp_hmac_update(hmac_algo, &ctx, key->key, key->keylen);\n\t\tsctp_hmac_final(hmac_algo, &ctx, temp);\n\t\t/* save the hashed key as the new key */\n\t\tkey->keylen = digestlen;\n\t\tmemcpy(key->key, temp, key->keylen);\n\t}\n\treturn (sctp_hmac_m(hmac_algo, key->key, key->keylen, m, m_offset, digest, 0));\n}","int\nsctp_auth_is_supported_hmac(sctp_hmaclist_t *list, uint16_t id)\n{\n\tint i;","\tif ((list == NULL) || (id == SCTP_AUTH_HMAC_ID_RSVD))\n\t\treturn (0);","\tfor (i = 0; i < list->num_algo; i++)\n\t\tif (list->hmac[i] == id)\n\t\t\treturn (1);","\t/* not in the list */\n\treturn (0);\n}","\n/*-\n * clear any cached key(s) if they match the given key id on an association.\n * the cached key(s) will be recomputed and re-cached at next use.\n * ASSUMES TCB_LOCK is already held\n */\nvoid\nsctp_clear_cachedkeys(struct sctp_tcb *stcb, uint16_t keyid)\n{\n\tif (stcb == NULL)\n\t\treturn;","\tif (keyid == stcb->asoc.authinfo.assoc_keyid) {\n\t\tsctp_free_key(stcb->asoc.authinfo.assoc_key);\n\t\tstcb->asoc.authinfo.assoc_key = NULL;\n\t}\n\tif (keyid == stcb->asoc.authinfo.recv_keyid) {\n\t\tsctp_free_key(stcb->asoc.authinfo.recv_key);\n\t\tstcb->asoc.authinfo.recv_key = NULL;\n\t}\n}","/*-\n * clear any cached key(s) if they match the given key id for all assocs on\n * an endpoint.\n * ASSUMES INP_WLOCK is already held\n */\nvoid\nsctp_clear_cachedkeys_ep(struct sctp_inpcb *inp, uint16_t keyid)\n{\n\tstruct sctp_tcb *stcb;","\tif (inp == NULL)\n\t\treturn;","\t/* clear the cached keys on all assocs on this instance */\n\tLIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {\n\t\tSCTP_TCB_LOCK(stcb);\n\t\tsctp_clear_cachedkeys(stcb, keyid);\n\t\tSCTP_TCB_UNLOCK(stcb);\n\t}\n}","/*-\n * delete a shared key from an association\n * ASSUMES TCB_LOCK is already held\n */\nint\nsctp_delete_sharedkey(struct sctp_tcb *stcb, uint16_t keyid)\n{\n\tsctp_sharedkey_t *skey;","\tif (stcb == NULL)\n\t\treturn (-1);","\t/* is the keyid the assoc active sending key */\n\tif (keyid == stcb->asoc.authinfo.active_keyid)\n\t\treturn (-1);","\t/* does the key exist? */\n\tskey = sctp_find_sharedkey(&stcb->asoc.shared_keys, keyid);\n\tif (skey == NULL)\n\t\treturn (-1);","\t/* are there other refcount holders on the key? */\n\tif (skey->refcount > 1)\n\t\treturn (-1);","\t/* remove it */\n\tLIST_REMOVE(skey, next);\n\tsctp_free_sharedkey(skey);\t/* frees skey->key as well */","\t/* clear any cached keys */\n\tsctp_clear_cachedkeys(stcb, keyid);\n\treturn (0);\n}","/*-\n * deletes a shared key from the endpoint\n * ASSUMES INP_WLOCK is already held\n */\nint\nsctp_delete_sharedkey_ep(struct sctp_inpcb *inp, uint16_t keyid)\n{\n\tsctp_sharedkey_t *skey;","\tif (inp == NULL)\n\t\treturn (-1);","\t/* is the keyid the active sending key on the endpoint */\n\tif (keyid == inp->sctp_ep.default_keyid)\n\t\treturn (-1);","\t/* does the key exist? */\n\tskey = sctp_find_sharedkey(&inp->sctp_ep.shared_keys, keyid);\n\tif (skey == NULL)\n\t\treturn (-1);","\t/* endpoint keys are not refcounted */","\t/* remove it */\n\tLIST_REMOVE(skey, next);\n\tsctp_free_sharedkey(skey);\t/* frees skey->key as well */","\t/* clear any cached keys */\n\tsctp_clear_cachedkeys_ep(inp, keyid);\n\treturn (0);\n}","/*-\n * set the active key on an association\n * ASSUMES TCB_LOCK is already held\n */\nint\nsctp_auth_setactivekey(struct sctp_tcb *stcb, uint16_t keyid)\n{\n\tsctp_sharedkey_t *skey = NULL;","\t/* find the key on the assoc */\n\tskey = sctp_find_sharedkey(&stcb->asoc.shared_keys, keyid);\n\tif (skey == NULL) {\n\t\t/* that key doesn't exist */\n\t\treturn (-1);\n\t}\n\tif ((skey->deactivated) && (skey->refcount > 1)) {\n\t\t/* can't reactivate a deactivated key with other refcounts */\n\t\treturn (-1);\n\t}","\t/* set the (new) active key */\n\tstcb->asoc.authinfo.active_keyid = keyid;\n\t/* reset the deactivated flag */\n\tskey->deactivated = 0;","\treturn (0);\n}","/*-\n * set the active key on an endpoint\n * ASSUMES INP_WLOCK is already held\n */\nint\nsctp_auth_setactivekey_ep(struct sctp_inpcb *inp, uint16_t keyid)\n{\n\tsctp_sharedkey_t *skey;","\t/* find the key */\n\tskey = sctp_find_sharedkey(&inp->sctp_ep.shared_keys, keyid);\n\tif (skey == NULL) {\n\t\t/* that key doesn't exist */\n\t\treturn (-1);\n\t}\n\tinp->sctp_ep.default_keyid = keyid;\n\treturn (0);\n}","/*-\n * deactivates a shared key from the association\n * ASSUMES INP_WLOCK is already held\n */\nint\nsctp_deact_sharedkey(struct sctp_tcb *stcb, uint16_t keyid)\n{\n\tsctp_sharedkey_t *skey;","\tif (stcb == NULL)\n\t\treturn (-1);","\t/* is the keyid the assoc active sending key */\n\tif (keyid == stcb->asoc.authinfo.active_keyid)\n\t\treturn (-1);","\t/* does the key exist? */\n\tskey = sctp_find_sharedkey(&stcb->asoc.shared_keys, keyid);\n\tif (skey == NULL)\n\t\treturn (-1);","\t/* are there other refcount holders on the key? */\n\tif (skey->refcount == 1) {\n\t\t/* no other users, send a notification for this key */\n\t\tsctp_ulp_notify(SCTP_NOTIFY_AUTH_FREE_KEY, stcb, keyid, 0,\n\t\t\t\tSCTP_SO_LOCKED);\n\t}","\t/* mark the key as deactivated */\n\tskey->deactivated = 1;","\treturn (0);\n}","/*-\n * deactivates a shared key from the endpoint\n * ASSUMES INP_WLOCK is already held\n */\nint\nsctp_deact_sharedkey_ep(struct sctp_inpcb *inp, uint16_t keyid)\n{\n\tsctp_sharedkey_t *skey;","\tif (inp == NULL)\n\t\treturn (-1);","\t/* is the keyid the active sending key on the endpoint */\n\tif (keyid == inp->sctp_ep.default_keyid)\n\t\treturn (-1);","\t/* does the key exist? */\n\tskey = sctp_find_sharedkey(&inp->sctp_ep.shared_keys, keyid);\n\tif (skey == NULL)\n\t\treturn (-1);","\t/* endpoint keys are not refcounted */","\t/* remove it */\n\tLIST_REMOVE(skey, next);\n\tsctp_free_sharedkey(skey);\t/* frees skey->key as well */","\treturn (0);\n}","/*\n * get local authentication parameters from cookie (from INIT-ACK)\n */\nvoid\nsctp_auth_get_cookie_params(struct sctp_tcb *stcb, struct mbuf *m,\n uint32_t offset, uint32_t length)\n{\n\tstruct sctp_paramhdr *phdr, tmp_param;\n\tuint16_t plen, ptype;\n\tuint8_t random_store[SCTP_PARAM_BUFFER_SIZE];\n\tstruct sctp_auth_random *p_random = NULL;\n\tuint16_t random_len = 0;\n\tuint8_t hmacs_store[SCTP_PARAM_BUFFER_SIZE];\n\tstruct sctp_auth_hmac_algo *hmacs = NULL;\n\tuint16_t hmacs_len = 0;\n\tuint8_t chunks_store[SCTP_PARAM_BUFFER_SIZE];\n\tstruct sctp_auth_chunk_list *chunks = NULL;\n\tuint16_t num_chunks = 0;\n\tsctp_key_t *new_key;\n\tuint32_t keylen;","\t/* convert to upper bound */\n\tlength += offset;","\tphdr = (struct sctp_paramhdr *)sctp_m_getptr(m, offset,\n\t sizeof(struct sctp_paramhdr), (uint8_t *)&tmp_param);\n\twhile (phdr != NULL) {\n\t\tptype = ntohs(phdr->param_type);\n\t\tplen = ntohs(phdr->param_length);\n","\t\tif ((plen == 0) || (offset + plen > length))","\t\t\tbreak;","\t\tif (ptype == SCTP_RANDOM) {\n\t\t\tif (plen > sizeof(random_store))\n\t\t\t\tbreak;\n\t\t\tphdr = sctp_get_next_param(m, offset,\n\t\t\t (struct sctp_paramhdr *)random_store, plen);\n\t\t\tif (phdr == NULL)\n\t\t\t\treturn;\n\t\t\t/* save the random and length for the key */\n\t\t\tp_random = (struct sctp_auth_random *)phdr;\n\t\t\trandom_len = plen - sizeof(*p_random);\n\t\t} else if (ptype == SCTP_HMAC_LIST) {\n\t\t\tuint16_t num_hmacs;\n\t\t\tuint16_t i;","\t\t\tif (plen > sizeof(hmacs_store))\n\t\t\t\tbreak;\n\t\t\tphdr = sctp_get_next_param(m, offset,\n\t\t\t (struct sctp_paramhdr *)hmacs_store, plen);\n\t\t\tif (phdr == NULL)\n\t\t\t\treturn;\n\t\t\t/* save the hmacs list and num for the key */\n\t\t\thmacs = (struct sctp_auth_hmac_algo *)phdr;\n\t\t\thmacs_len = plen - sizeof(*hmacs);\n\t\t\tnum_hmacs = hmacs_len / sizeof(hmacs->hmac_ids[0]);\n\t\t\tif (stcb->asoc.local_hmacs != NULL)\n\t\t\t\tsctp_free_hmaclist(stcb->asoc.local_hmacs);\n\t\t\tstcb->asoc.local_hmacs = sctp_alloc_hmaclist(num_hmacs);\n\t\t\tif (stcb->asoc.local_hmacs != NULL) {\n\t\t\t\tfor (i = 0; i < num_hmacs; i++) {\n\t\t\t\t\t(void)sctp_auth_add_hmacid(stcb->asoc.local_hmacs,\n\t\t\t\t\t ntohs(hmacs->hmac_ids[i]));\n\t\t\t\t}\n\t\t\t}\n\t\t} else if (ptype == SCTP_CHUNK_LIST) {\n\t\t\tint i;","\t\t\tif (plen > sizeof(chunks_store))\n\t\t\t\tbreak;\n\t\t\tphdr = sctp_get_next_param(m, offset,\n\t\t\t (struct sctp_paramhdr *)chunks_store, plen);\n\t\t\tif (phdr == NULL)\n\t\t\t\treturn;\n\t\t\tchunks = (struct sctp_auth_chunk_list *)phdr;\n\t\t\tnum_chunks = plen - sizeof(*chunks);\n\t\t\t/* save chunks list and num for the key */\n\t\t\tif (stcb->asoc.local_auth_chunks != NULL)\n\t\t\t\tsctp_clear_chunklist(stcb->asoc.local_auth_chunks);\n\t\t\telse\n\t\t\t\tstcb->asoc.local_auth_chunks = sctp_alloc_chunklist();\n\t\t\tfor (i = 0; i < num_chunks; i++) {\n\t\t\t\t(void)sctp_auth_add_chunk(chunks->chunk_types[i],\n\t\t\t\t stcb->asoc.local_auth_chunks);\n\t\t\t}\n\t\t}\n\t\t/* get next parameter */\n\t\toffset += SCTP_SIZE32(plen);\n\t\tif (offset + sizeof(struct sctp_paramhdr) > length)\n\t\t\tbreak;\n\t\tphdr = (struct sctp_paramhdr *)sctp_m_getptr(m, offset, sizeof(struct sctp_paramhdr),\n\t\t (uint8_t *)&tmp_param);\n\t}\n\t/* concatenate the full random key */\n\tkeylen = sizeof(*p_random) + random_len + sizeof(*hmacs) + hmacs_len;\n\tif (chunks != NULL) {\n\t\tkeylen += sizeof(*chunks) + num_chunks;\n\t}\n\tnew_key = sctp_alloc_key(keylen);\n\tif (new_key != NULL) {\n\t\t/* copy in the RANDOM */\n\t\tif (p_random != NULL) {\n\t\t\tkeylen = sizeof(*p_random) + random_len;\n\t\t\tmemcpy(new_key->key, p_random, keylen);\n\t\t} else {\n\t\t\tkeylen = 0;\n\t\t}\n\t\t/* append in the AUTH chunks */\n\t\tif (chunks != NULL) {\n\t\t\tmemcpy(new_key->key + keylen, chunks,\n\t\t\t sizeof(*chunks) + num_chunks);\n\t\t\tkeylen += sizeof(*chunks) + num_chunks;\n\t\t}\n\t\t/* append in the HMACs */\n\t\tif (hmacs != NULL) {\n\t\t\tmemcpy(new_key->key + keylen, hmacs,\n\t\t\t sizeof(*hmacs) + hmacs_len);\n\t\t}\n\t}\n\tif (stcb->asoc.authinfo.random != NULL)\n\t\tsctp_free_key(stcb->asoc.authinfo.random);\n\tstcb->asoc.authinfo.random = new_key;\n\tstcb->asoc.authinfo.random_len = random_len;\n\tsctp_clear_cachedkeys(stcb, stcb->asoc.authinfo.assoc_keyid);\n\tsctp_clear_cachedkeys(stcb, stcb->asoc.authinfo.recv_keyid);","\t/* negotiate what HMAC to use for the peer */\n\tstcb->asoc.peer_hmac_id = sctp_negotiate_hmacid(stcb->asoc.peer_hmacs,\n\t stcb->asoc.local_hmacs);","\t/* copy defaults from the endpoint */\n\t/* FIX ME: put in cookie? */\n\tstcb->asoc.authinfo.active_keyid = stcb->sctp_ep->sctp_ep.default_keyid;\n\t/* copy out the shared key list (by reference) from the endpoint */\n\t(void)sctp_copy_skeylist(&stcb->sctp_ep->sctp_ep.shared_keys,\n\t\t\t\t &stcb->asoc.shared_keys);\n}","/*\n * compute and fill in the HMAC digest for a packet\n */\nvoid\nsctp_fill_hmac_digest_m(struct mbuf *m, uint32_t auth_offset,\n struct sctp_auth_chunk *auth, struct sctp_tcb *stcb, uint16_t keyid)\n{\n\tuint32_t digestlen;\n\tsctp_sharedkey_t *skey;\n\tsctp_key_t *key;","\tif ((stcb == NULL) || (auth == NULL))\n\t\treturn;","\t/* zero the digest + chunk padding */\n\tdigestlen = sctp_get_hmac_digest_len(stcb->asoc.peer_hmac_id);\n\tmemset(auth->hmac, 0, SCTP_SIZE32(digestlen));","\t/* is the desired key cached? */\n\tif ((keyid != stcb->asoc.authinfo.assoc_keyid) ||\n\t (stcb->asoc.authinfo.assoc_key == NULL)) {\n\t\tif (stcb->asoc.authinfo.assoc_key != NULL) {\n\t\t\t/* free the old cached key */\n\t\t\tsctp_free_key(stcb->asoc.authinfo.assoc_key);\n\t\t}\n\t\tskey = sctp_find_sharedkey(&stcb->asoc.shared_keys, keyid);\n\t\t/* the only way skey is NULL is if null key id 0 is used */\n\t\tif (skey != NULL)\n\t\t\tkey = skey->key;\n\t\telse\n\t\t\tkey = NULL;\n\t\t/* compute a new assoc key and cache it */\n\t\tstcb->asoc.authinfo.assoc_key =\n\t\t sctp_compute_hashkey(stcb->asoc.authinfo.random,\n\t\t\t\t\t stcb->asoc.authinfo.peer_random, key);\n\t\tstcb->asoc.authinfo.assoc_keyid = keyid;\n\t\tSCTPDBG(SCTP_DEBUG_AUTH1, \"caching key id %u\\n\",\n\t\t\tstcb->asoc.authinfo.assoc_keyid);\n#ifdef SCTP_DEBUG\n\t\tif (SCTP_AUTH_DEBUG)\n\t\t\tsctp_print_key(stcb->asoc.authinfo.assoc_key,\n\t\t\t\t \"Assoc Key\");\n#endif\n\t}","\t/* set in the active key id */\n\tauth->shared_key_id = htons(keyid);","\t/* compute and fill in the digest */\n\t(void)sctp_compute_hmac_m(stcb->asoc.peer_hmac_id, stcb->asoc.authinfo.assoc_key,\n\t\t\t\t m, auth_offset, auth->hmac);\n}","\nstatic void\nsctp_zero_m(struct mbuf *m, uint32_t m_offset, uint32_t size)\n{\n\tstruct mbuf *m_tmp;\n\tuint8_t *data;","\t/* sanity check */\n\tif (m == NULL)\n\t\treturn;","\t/* find the correct starting mbuf and offset (get start position) */\n\tm_tmp = m;\n\twhile ((m_tmp != NULL) && (m_offset >= (uint32_t) SCTP_BUF_LEN(m_tmp))) {\n\t\tm_offset -= SCTP_BUF_LEN(m_tmp);\n\t\tm_tmp = SCTP_BUF_NEXT(m_tmp);\n\t}\n\t/* now use the rest of the mbuf chain */\n\twhile ((m_tmp != NULL) && (size > 0)) {\n\t\tdata = mtod(m_tmp, uint8_t *) + m_offset;\n\t\tif (size > (uint32_t)(SCTP_BUF_LEN(m_tmp) - m_offset)) {\n\t\t\tmemset(data, 0, SCTP_BUF_LEN(m_tmp) - m_offset);\n\t\t\tsize -= SCTP_BUF_LEN(m_tmp) - m_offset;\n\t\t} else {\n\t\t\tmemset(data, 0, size);\n\t\t\tsize = 0;\n\t\t}\n\t\t/* clear the offset since it's only for the first mbuf */\n\t\tm_offset = 0;\n\t\tm_tmp = SCTP_BUF_NEXT(m_tmp);\n\t}\n}","/*-\n * process the incoming Authentication chunk\n * return codes:\n * -1 on any authentication error\n * 0 on authentication verification\n */\nint\nsctp_handle_auth(struct sctp_tcb *stcb, struct sctp_auth_chunk *auth,\n struct mbuf *m, uint32_t offset)\n{\n\tuint16_t chunklen;\n\tuint16_t shared_key_id;\n\tuint16_t hmac_id;\n\tsctp_sharedkey_t *skey;\n\tuint32_t digestlen;\n\tuint8_t digest[SCTP_AUTH_DIGEST_LEN_MAX];\n\tuint8_t computed_digest[SCTP_AUTH_DIGEST_LEN_MAX];","\t/* auth is checked for NULL by caller */\n\tchunklen = ntohs(auth->ch.chunk_length);\n\tif (chunklen < sizeof(*auth)) {\n\t\tSCTP_STAT_INCR(sctps_recvauthfailed);\n\t\treturn (-1);\n\t}\n\tSCTP_STAT_INCR(sctps_recvauth);","\t/* get the auth params */\n\tshared_key_id = ntohs(auth->shared_key_id);\n\thmac_id = ntohs(auth->hmac_id);\n\tSCTPDBG(SCTP_DEBUG_AUTH1,\n\t\t\"SCTP AUTH Chunk: shared key %u, HMAC id %u\\n\",\n\t\tshared_key_id, hmac_id);","\t/* is the indicated HMAC supported? */\n\tif (!sctp_auth_is_supported_hmac(stcb->asoc.local_hmacs, hmac_id)) {\n\t\tstruct mbuf *op_err;\n\t\tstruct sctp_error_auth_invalid_hmac *cause;","\t\tSCTP_STAT_INCR(sctps_recvivalhmacid);\n\t\tSCTPDBG(SCTP_DEBUG_AUTH1,\n\t\t\t\"SCTP Auth: unsupported HMAC id %u\\n\",\n\t\t\thmac_id);\n\t\t/*\n\t\t * report this in an Error Chunk: Unsupported HMAC\n\t\t * Identifier\n\t\t */\n\t\top_err = sctp_get_mbuf_for_msg(sizeof(struct sctp_error_auth_invalid_hmac),\n\t\t 0, M_NOWAIT, 1, MT_HEADER);\n\t\tif (op_err != NULL) {\n\t\t\t/* pre-reserve some space */\n\t\t\tSCTP_BUF_RESV_UF(op_err, sizeof(struct sctp_chunkhdr));\n\t\t\t/* fill in the error */\n\t\t\tcause = mtod(op_err, struct sctp_error_auth_invalid_hmac *);\n\t\t\tcause->cause.code = htons(SCTP_CAUSE_UNSUPPORTED_HMACID);\n\t\t\tcause->cause.length = htons(sizeof(struct sctp_error_auth_invalid_hmac));\n\t\t\tcause->hmac_id = ntohs(hmac_id);\n\t\t\tSCTP_BUF_LEN(op_err) = sizeof(struct sctp_error_auth_invalid_hmac);\n\t\t\t/* queue it */\n\t\t\tsctp_queue_op_err(stcb, op_err);\n\t\t}\n\t\treturn (-1);\n\t}\n\t/* get the indicated shared key, if available */\n\tif ((stcb->asoc.authinfo.recv_key == NULL) ||\n\t (stcb->asoc.authinfo.recv_keyid != shared_key_id)) {\n\t\t/* find the shared key on the assoc first */\n\t\tskey = sctp_find_sharedkey(&stcb->asoc.shared_keys,\n\t\t\t\t\t shared_key_id);\n\t\t/* if the shared key isn't found, discard the chunk */\n\t\tif (skey == NULL) {\n\t\t\tSCTP_STAT_INCR(sctps_recvivalkeyid);\n\t\t\tSCTPDBG(SCTP_DEBUG_AUTH1,\n\t\t\t\t\"SCTP Auth: unknown key id %u\\n\",\n\t\t\t\tshared_key_id);\n\t\t\treturn (-1);\n\t\t}\n\t\t/* generate a notification if this is a new key id */\n\t\tif (stcb->asoc.authinfo.recv_keyid != shared_key_id)\n\t\t\t/*\n\t\t\t * sctp_ulp_notify(SCTP_NOTIFY_AUTH_NEW_KEY, stcb,\n\t\t\t * shared_key_id, (void\n\t\t\t * *)stcb->asoc.authinfo.recv_keyid);\n\t\t\t */\n\t\t\tsctp_notify_authentication(stcb, SCTP_AUTH_NEW_KEY,\n\t\t\t shared_key_id, stcb->asoc.authinfo.recv_keyid,\n\t\t\t SCTP_SO_NOT_LOCKED);\n\t\t/* compute a new recv assoc key and cache it */\n\t\tif (stcb->asoc.authinfo.recv_key != NULL)\n\t\t\tsctp_free_key(stcb->asoc.authinfo.recv_key);\n\t\tstcb->asoc.authinfo.recv_key =\n\t\t sctp_compute_hashkey(stcb->asoc.authinfo.random,\n\t\t stcb->asoc.authinfo.peer_random, skey->key);\n\t\tstcb->asoc.authinfo.recv_keyid = shared_key_id;\n#ifdef SCTP_DEBUG\n\t\tif (SCTP_AUTH_DEBUG)\n\t\t\tsctp_print_key(stcb->asoc.authinfo.recv_key, \"Recv Key\");\n#endif\n\t}\n\t/* validate the digest length */\n\tdigestlen = sctp_get_hmac_digest_len(hmac_id);\n\tif (chunklen < (sizeof(*auth) + digestlen)) {\n\t\t/* invalid digest length */\n\t\tSCTP_STAT_INCR(sctps_recvauthfailed);\n\t\tSCTPDBG(SCTP_DEBUG_AUTH1,\n\t\t\t\"SCTP Auth: chunk too short for HMAC\\n\");\n\t\treturn (-1);\n\t}\n\t/* save a copy of the digest, zero the pseudo header, and validate */\n\tmemcpy(digest, auth->hmac, digestlen);\n\tsctp_zero_m(m, offset + sizeof(*auth), SCTP_SIZE32(digestlen));\n\t(void)sctp_compute_hmac_m(hmac_id, stcb->asoc.authinfo.recv_key,\n\t m, offset, computed_digest);","#if defined(__Userspace__)\n#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION\n\treturn (0);\n#endif\n#endif\n\t/* compare the computed digest with the one in the AUTH chunk */\n\tif (timingsafe_bcmp(digest, computed_digest, digestlen) != 0) {\n\t\tSCTP_STAT_INCR(sctps_recvauthfailed);\n\t\tSCTPDBG(SCTP_DEBUG_AUTH1,\n\t\t\t\"SCTP Auth: HMAC digest check failed\\n\");\n\t\treturn (-1);\n\t}\n\treturn (0);\n}","/*\n * Generate NOTIFICATION\n */\nvoid\nsctp_notify_authentication(struct sctp_tcb *stcb, uint32_t indication,\n\t\t\t uint16_t keyid, uint16_t alt_keyid, int so_locked\n#if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING)\n\tSCTP_UNUSED\n#endif\n)\n{\n\tstruct mbuf *m_notify;\n\tstruct sctp_authkey_event *auth;\n\tstruct sctp_queued_to_read *control;","\tif ((stcb == NULL) ||\n\t (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) ||\n\t (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||\n\t (stcb->asoc.state & SCTP_STATE_CLOSED_SOCKET)\n\t\t) {\n\t\t/* If the socket is gone we are out of here */\n\t\treturn;\n\t}","\tif (sctp_stcb_is_feature_off(stcb->sctp_ep, stcb, SCTP_PCB_FLAGS_AUTHEVNT))\n\t\t/* event not enabled */\n\t\treturn;","\tm_notify = sctp_get_mbuf_for_msg(sizeof(struct sctp_authkey_event),\n\t\t\t\t\t 0, M_NOWAIT, 1, MT_HEADER);\n\tif (m_notify == NULL)\n\t\t/* no space left */\n\t\treturn;","\tSCTP_BUF_LEN(m_notify) = 0;\n\tauth = mtod(m_notify, struct sctp_authkey_event *);\n\tmemset(auth, 0, sizeof(struct sctp_authkey_event));\n\tauth->auth_type = SCTP_AUTHENTICATION_EVENT;\n\tauth->auth_flags = 0;\n\tauth->auth_length = sizeof(*auth);\n\tauth->auth_keynumber = keyid;\n\tauth->auth_altkeynumber = alt_keyid;\n\tauth->auth_indication = indication;\n\tauth->auth_assoc_id = sctp_get_associd(stcb);","\tSCTP_BUF_LEN(m_notify) = sizeof(*auth);\n\tSCTP_BUF_NEXT(m_notify) = NULL;","\t/* append to socket */\n\tcontrol = sctp_build_readq_entry(stcb, stcb->asoc.primary_destination,\n\t 0, 0, stcb->asoc.context, 0, 0, 0, m_notify);\n\tif (control == NULL) {\n\t\t/* no memory */\n\t\tsctp_m_freem(m_notify);\n\t\treturn;\n\t}\n\tcontrol->length = SCTP_BUF_LEN(m_notify);\n\tcontrol->spec_flags = M_NOTIFICATION;\n\t/* not that we need this */\n\tcontrol->tail_mbuf = m_notify;\n\tsctp_add_to_readq(stcb->sctp_ep, stcb, control,\n\t &stcb->sctp_socket->so_rcv, 1, SCTP_READ_LOCK_NOT_HELD, so_locked);\n}","\n/*-\n * validates the AUTHentication related parameters in an INIT/INIT-ACK\n * Note: currently only used for INIT as INIT-ACK is handled inline\n * with sctp_load_addresses_from_init()\n */\nint\nsctp_validate_init_auth_params(struct mbuf *m, int offset, int limit)\n{\n\tstruct sctp_paramhdr *phdr, param_buf;\n\tuint16_t ptype, plen;\n\tint peer_supports_asconf = 0;\n\tint peer_supports_auth = 0;\n\tint got_random = 0, got_hmacs = 0, got_chklist = 0;\n\tuint8_t saw_asconf = 0;\n\tuint8_t saw_asconf_ack = 0;","\t/* go through each of the params. */\n\tphdr = sctp_get_next_param(m, offset, ¶m_buf, sizeof(param_buf));\n\twhile (phdr) {\n\t\tptype = ntohs(phdr->param_type);\n\t\tplen = ntohs(phdr->param_length);","\t\tif (offset + plen > limit) {\n\t\t\tbreak;\n\t\t}\n\t\tif (plen < sizeof(struct sctp_paramhdr)) {\n\t\t\tbreak;\n\t\t}\n\t\tif (ptype == SCTP_SUPPORTED_CHUNK_EXT) {\n\t\t\t/* A supported extension chunk */\n\t\t\tstruct sctp_supported_chunk_types_param *pr_supported;\n\t\t\tuint8_t local_store[SCTP_SMALL_CHUNK_STORE];\n\t\t\tint num_ent, i;","\t\t\tif (plen > sizeof(local_store)) {\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\tphdr = sctp_get_next_param(m, offset,\n\t\t\t (struct sctp_paramhdr *)&local_store,\n\t\t\t plen);\n\t\t\tif (phdr == NULL) {\n\t\t\t\treturn (-1);\n\t\t\t}\n\t\t\tpr_supported = (struct sctp_supported_chunk_types_param *)phdr;\n\t\t\tnum_ent = plen - sizeof(struct sctp_paramhdr);\n\t\t\tfor (i = 0; i < num_ent; i++) {\n\t\t\t\tswitch (pr_supported->chunk_types[i]) {\n\t\t\t\tcase SCTP_ASCONF:\n\t\t\t\tcase SCTP_ASCONF_ACK:\n\t\t\t\t\tpeer_supports_asconf = 1;\n\t\t\t\t\tbreak;\n\t\t\t\tdefault:\n\t\t\t\t\t/* one we don't care about */\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t} else if (ptype == SCTP_RANDOM) {\n\t\t\t/* enforce the random length */\n\t\t\tif (plen != (sizeof(struct sctp_auth_random) +\n\t\t\t\t SCTP_AUTH_RANDOM_SIZE_REQUIRED)) {\n\t\t\t\tSCTPDBG(SCTP_DEBUG_AUTH1,\n\t\t\t\t\t\"SCTP: invalid RANDOM len\\n\");\n\t\t\t\treturn (-1);\n\t\t\t}\n\t\t\tgot_random = 1;\n\t\t} else if (ptype == SCTP_HMAC_LIST) {\n\t\t\tstruct sctp_auth_hmac_algo *hmacs;\n\t\t\tuint8_t store[SCTP_PARAM_BUFFER_SIZE];\n\t\t\tint num_hmacs;","\t\t\tif (plen > sizeof(store)) {\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\tphdr = sctp_get_next_param(m, offset,\n\t\t\t (struct sctp_paramhdr *)store,\n\t\t\t plen);\n\t\t\tif (phdr == NULL) {\n\t\t\t\treturn (-1);\n\t\t\t}\n\t\t\thmacs = (struct sctp_auth_hmac_algo *)phdr;\n\t\t\tnum_hmacs = (plen - sizeof(*hmacs)) / sizeof(hmacs->hmac_ids[0]);\n\t\t\t/* validate the hmac list */\n\t\t\tif (sctp_verify_hmac_param(hmacs, num_hmacs)) {\n\t\t\t\tSCTPDBG(SCTP_DEBUG_AUTH1,\n\t\t\t\t\t\"SCTP: invalid HMAC param\\n\");\n\t\t\t\treturn (-1);\n\t\t\t}\n\t\t\tgot_hmacs = 1;\n\t\t} else if (ptype == SCTP_CHUNK_LIST) {\n\t\t\tstruct sctp_auth_chunk_list *chunks;\n\t\t\tuint8_t chunks_store[SCTP_SMALL_CHUNK_STORE];\n\t\t\tint i, num_chunks;","\t\t\tif (plen > sizeof(chunks_store)) {\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\tphdr = sctp_get_next_param(m, offset,\n\t\t\t\t\t\t (struct sctp_paramhdr *)chunks_store,\n\t\t\t\t\t\t plen);\n\t\t\tif (phdr == NULL) {\n\t\t\t\treturn (-1);\n\t\t\t}\n\t\t\t/*-\n\t\t\t * Flip through the list and mark that the\n\t\t\t * peer supports asconf/asconf_ack.\n\t\t\t */\n\t\t\tchunks = (struct sctp_auth_chunk_list *)phdr;\n\t\t\tnum_chunks = plen - sizeof(*chunks);\n\t\t\tfor (i = 0; i < num_chunks; i++) {\n\t\t\t\t/* record asconf/asconf-ack if listed */\n\t\t\t\tif (chunks->chunk_types[i] == SCTP_ASCONF)\n\t\t\t\t\tsaw_asconf = 1;\n\t\t\t\tif (chunks->chunk_types[i] == SCTP_ASCONF_ACK)\n\t\t\t\t\tsaw_asconf_ack = 1;","\t\t\t}\n\t\t\tif (num_chunks)\n\t\t\t\tgot_chklist = 1;\n\t\t}","\t\toffset += SCTP_SIZE32(plen);\n\t\tif (offset >= limit) {\n\t\t\tbreak;\n\t\t}\n\t\tphdr = sctp_get_next_param(m, offset, ¶m_buf,\n\t\t sizeof(param_buf));\n\t}\n\t/* validate authentication required parameters */\n\tif (got_random && got_hmacs) {\n\t\tpeer_supports_auth = 1;\n\t} else {\n\t\tpeer_supports_auth = 0;\n\t}\n\tif (!peer_supports_auth && got_chklist) {\n\t\tSCTPDBG(SCTP_DEBUG_AUTH1,\n\t\t\t\"SCTP: peer sent chunk list w/o AUTH\\n\");\n\t\treturn (-1);\n\t}\n\tif (peer_supports_asconf && !peer_supports_auth) {\n\t\tSCTPDBG(SCTP_DEBUG_AUTH1,\n\t\t\t\"SCTP: peer supports ASCONF but not AUTH\\n\");\n\t\treturn (-1);\n\t} else if ((peer_supports_asconf) && (peer_supports_auth) &&\n\t\t ((saw_asconf == 0) || (saw_asconf_ack == 0))) {\n\t\treturn (-2);\n\t}\n\treturn (0);\n}","void\nsctp_initialize_auth_params(struct sctp_inpcb *inp, struct sctp_tcb *stcb)\n{\n\tuint16_t chunks_len = 0;\n\tuint16_t hmacs_len = 0;\n\tuint16_t random_len = SCTP_AUTH_RANDOM_SIZE_DEFAULT;\n\tsctp_key_t *new_key;\n\tuint16_t keylen;","\t/* initialize hmac list from endpoint */\n\tstcb->asoc.local_hmacs = sctp_copy_hmaclist(inp->sctp_ep.local_hmacs);\n\tif (stcb->asoc.local_hmacs != NULL) {\n\t\thmacs_len = stcb->asoc.local_hmacs->num_algo *\n\t\t sizeof(stcb->asoc.local_hmacs->hmac[0]);\n\t}\n\t/* initialize auth chunks list from endpoint */\n\tstcb->asoc.local_auth_chunks =\n\t sctp_copy_chunklist(inp->sctp_ep.local_auth_chunks);\n\tif (stcb->asoc.local_auth_chunks != NULL) {\n\t\tint i;\n\t\tfor (i = 0; i < 256; i++) {\n\t\t\tif (stcb->asoc.local_auth_chunks->chunks[i])\n\t\t\t\tchunks_len++;\n\t\t}\n\t}\n\t/* copy defaults from the endpoint */\n\tstcb->asoc.authinfo.active_keyid = inp->sctp_ep.default_keyid;","\t/* copy out the shared key list (by reference) from the endpoint */\n\t(void)sctp_copy_skeylist(&inp->sctp_ep.shared_keys,\n\t\t\t\t &stcb->asoc.shared_keys);","\t/* now set the concatenated key (random + chunks + hmacs) */\n\t/* key includes parameter headers */\n\tkeylen = (3 * sizeof(struct sctp_paramhdr)) + random_len + chunks_len +\n\t hmacs_len;\n\tnew_key = sctp_alloc_key(keylen);\n\tif (new_key != NULL) {\n\t\tstruct sctp_paramhdr *ph;\n\t\tint plen;\n\t\t/* generate and copy in the RANDOM */\n\t\tph = (struct sctp_paramhdr *)new_key->key;\n\t\tph->param_type = htons(SCTP_RANDOM);\n\t\tplen = sizeof(*ph) + random_len;\n\t\tph->param_length = htons(plen);\n\t\tSCTP_READ_RANDOM(new_key->key + sizeof(*ph), random_len);\n\t\tkeylen = plen;","\t\t/* append in the AUTH chunks */\n\t\t/* NOTE: currently we always have chunks to list */\n\t\tph = (struct sctp_paramhdr *)(new_key->key + keylen);\n\t\tph->param_type = htons(SCTP_CHUNK_LIST);\n\t\tplen = sizeof(*ph) + chunks_len;\n\t\tph->param_length = htons(plen);\n\t\tkeylen += sizeof(*ph);\n\t\tif (stcb->asoc.local_auth_chunks) {\n\t\t\tint i;\n\t\t\tfor (i = 0; i < 256; i++) {\n\t\t\t\tif (stcb->asoc.local_auth_chunks->chunks[i])\n\t\t\t\t\tnew_key->key[keylen++] = i;\n\t\t\t}\n\t\t}","\t\t/* append in the HMACs */\n\t\tph = (struct sctp_paramhdr *)(new_key->key + keylen);\n\t\tph->param_type = htons(SCTP_HMAC_LIST);\n\t\tplen = sizeof(*ph) + hmacs_len;\n\t\tph->param_length = htons(plen);\n\t\tkeylen += sizeof(*ph);\n\t\t(void)sctp_serialize_hmaclist(stcb->asoc.local_hmacs,\n\t\t\t\t\tnew_key->key + keylen);\n\t}\n\tif (stcb->asoc.authinfo.random != NULL)\n\t sctp_free_key(stcb->asoc.authinfo.random);\n\tstcb->asoc.authinfo.random = new_key;\n\tstcb->asoc.authinfo.random_len = random_len;\n}","\n#ifdef SCTP_HMAC_TEST\n/*\n * HMAC and key concatenation tests\n */\nstatic void\nsctp_print_digest(uint8_t *digest, uint32_t digestlen, const char *str)\n{\n\tuint32_t i;","\tSCTP_PRINTF(\"\\n%s: 0x\", str);\n\tif (digest == NULL)\n\t\treturn;","\tfor (i = 0; i < digestlen; i++)\n\t\tSCTP_PRINTF(\"%02x\", digest[i]);\n}","static int\nsctp_test_hmac(const char *str, uint16_t hmac_id, uint8_t *key,\n uint32_t keylen, uint8_t *text, uint32_t textlen,\n uint8_t *digest, uint32_t digestlen)\n{\n\tuint8_t computed_digest[SCTP_AUTH_DIGEST_LEN_MAX];","\tSCTP_PRINTF(\"\\n%s:\", str);\n\tsctp_hmac(hmac_id, key, keylen, text, textlen, computed_digest);\n\tsctp_print_digest(digest, digestlen, \"Expected digest\");\n\tsctp_print_digest(computed_digest, digestlen, \"Computed digest\");\n\tif (memcmp(digest, computed_digest, digestlen) != 0) {\n\t\tSCTP_PRINTF(\"\\nFAILED\");\n\t\treturn (-1);\n\t} else {\n\t\tSCTP_PRINTF(\"\\nPASSED\");\n\t\treturn (0);\n\t}\n}","\n/*\n * RFC 2202: HMAC-SHA1 test cases\n */\nvoid\nsctp_test_hmac_sha1(void)\n{\n\tuint8_t *digest;\n\tuint8_t key[128];\n\tuint32_t keylen;\n\tuint8_t text[128];\n\tuint32_t textlen;\n\tuint32_t digestlen = 20;\n\tint failed = 0;","\t/*-\n\t * test_case = 1\n\t * key = 0x0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b\n\t * key_len = 20\n\t * data = \"Hi There\"\n\t * data_len = 8\n\t * digest = 0xb617318655057264e28bc0b6fb378c8ef146be00\n\t */\n\tkeylen = 20;\n\tmemset(key, 0x0b, keylen);\n\ttextlen = 8;\n\tstrcpy(text, \"Hi There\");\n\tdigest = \"\\xb6\\x17\\x31\\x86\\x55\\x05\\x72\\x64\\xe2\\x8b\\xc0\\xb6\\xfb\\x37\\x8c\\x8e\\xf1\\x46\\xbe\\x00\";\n\tif (sctp_test_hmac(\"SHA1 test case 1\", SCTP_AUTH_HMAC_ID_SHA1, key, keylen,\n\t text, textlen, digest, digestlen) < 0)\n\t\tfailed++;","\t/*-\n\t * test_case = 2\n\t * key = \"Jefe\"\n\t * key_len = 4\n\t * data = \"what do ya want for nothing?\"\n\t * data_len = 28\n\t * digest = 0xeffcdf6ae5eb2fa2d27416d5f184df9c259a7c79\n\t */\n\tkeylen = 4;\n\tstrcpy(key, \"Jefe\");\n\ttextlen = 28;\n\tstrcpy(text, \"what do ya want for nothing?\");\n\tdigest = \"\\xef\\xfc\\xdf\\x6a\\xe5\\xeb\\x2f\\xa2\\xd2\\x74\\x16\\xd5\\xf1\\x84\\xdf\\x9c\\x25\\x9a\\x7c\\x79\";\n\tif (sctp_test_hmac(\"SHA1 test case 2\", SCTP_AUTH_HMAC_ID_SHA1, key, keylen,\n\t text, textlen, digest, digestlen) < 0)\n\t\tfailed++;","\t/*-\n\t * test_case = 3\n\t * key = 0xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n\t * key_len = 20\n\t * data = 0xdd repeated 50 times\n\t * data_len = 50\n\t * digest = 0x125d7342b9ac11cd91a39af48aa17b4f63f175d3\n\t */\n\tkeylen = 20;\n\tmemset(key, 0xaa, keylen);\n\ttextlen = 50;\n\tmemset(text, 0xdd, textlen);\n\tdigest = \"\\x12\\x5d\\x73\\x42\\xb9\\xac\\x11\\xcd\\x91\\xa3\\x9a\\xf4\\x8a\\xa1\\x7b\\x4f\\x63\\xf1\\x75\\xd3\";\n\tif (sctp_test_hmac(\"SHA1 test case 3\", SCTP_AUTH_HMAC_ID_SHA1, key, keylen,\n\t text, textlen, digest, digestlen) < 0)\n\t\tfailed++;","\t/*-\n\t * test_case = 4\n\t * key = 0x0102030405060708090a0b0c0d0e0f10111213141516171819\n\t * key_len = 25\n\t * data = 0xcd repeated 50 times\n\t * data_len = 50\n\t * digest = 0x4c9007f4026250c6bc8414f9bf50c86c2d7235da\n\t */\n\tkeylen = 25;\n\tmemcpy(key, \"\\x01\\x02\\x03\\x04\\x05\\x06\\x07\\x08\\x09\\x0a\\x0b\\x0c\\x0d\\x0e\\x0f\\x10\\x11\\x12\\x13\\x14\\x15\\x16\\x17\\x18\\x19\", keylen);\n\ttextlen = 50;\n\tmemset(text, 0xcd, textlen);\n\tdigest = \"\\x4c\\x90\\x07\\xf4\\x02\\x62\\x50\\xc6\\xbc\\x84\\x14\\xf9\\xbf\\x50\\xc8\\x6c\\x2d\\x72\\x35\\xda\";\n\tif (sctp_test_hmac(\"SHA1 test case 4\", SCTP_AUTH_HMAC_ID_SHA1, key, keylen,\n\t text, textlen, digest, digestlen) < 0)\n\t\tfailed++;","\t/*-\n\t * test_case = 5\n\t * key = 0x0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c\n\t * key_len = 20\n\t * data = \"Test With Truncation\"\n\t * data_len = 20\n\t * digest = 0x4c1a03424b55e07fe7f27be1d58bb9324a9a5a04\n\t * digest-96 = 0x4c1a03424b55e07fe7f27be1\n\t */\n\tkeylen = 20;\n\tmemset(key, 0x0c, keylen);\n\ttextlen = 20;\n\tstrcpy(text, \"Test With Truncation\");\n\tdigest = \"\\x4c\\x1a\\x03\\x42\\x4b\\x55\\xe0\\x7f\\xe7\\xf2\\x7b\\xe1\\xd5\\x8b\\xb9\\x32\\x4a\\x9a\\x5a\\x04\";\n\tif (sctp_test_hmac(\"SHA1 test case 5\", SCTP_AUTH_HMAC_ID_SHA1, key, keylen,\n\t text, textlen, digest, digestlen) < 0)\n\t\tfailed++;","\t/*-\n\t * test_case = 6\n\t * key = 0xaa repeated 80 times\n\t * key_len = 80\n\t * data = \"Test Using Larger Than Block-Size Key - Hash Key First\"\n\t * data_len = 54\n\t * digest = 0xaa4ae5e15272d00e95705637ce8a3b55ed402112\n\t */\n\tkeylen = 80;\n\tmemset(key, 0xaa, keylen);\n\ttextlen = 54;\n\tstrcpy(text, \"Test Using Larger Than Block-Size Key - Hash Key First\");\n\tdigest = \"\\xaa\\x4a\\xe5\\xe1\\x52\\x72\\xd0\\x0e\\x95\\x70\\x56\\x37\\xce\\x8a\\x3b\\x55\\xed\\x40\\x21\\x12\";\n\tif (sctp_test_hmac(\"SHA1 test case 6\", SCTP_AUTH_HMAC_ID_SHA1, key, keylen,\n\t text, textlen, digest, digestlen) < 0)\n\t\tfailed++;","\t/*-\n\t * test_case = 7\n\t * key = 0xaa repeated 80 times\n\t * key_len = 80\n\t * data = \"Test Using Larger Than Block-Size Key and Larger Than One Block-Size Data\"\n\t * data_len = 73\n\t * digest = 0xe8e99d0f45237d786d6bbaa7965c7808bbff1a91\n\t */\n\tkeylen = 80;\n\tmemset(key, 0xaa, keylen);\n\ttextlen = 73;\n\tstrcpy(text, \"Test Using Larger Than Block-Size Key and Larger Than One Block-Size Data\");\n\tdigest = \"\\xe8\\xe9\\x9d\\x0f\\x45\\x23\\x7d\\x78\\x6d\\x6b\\xba\\xa7\\x96\\x5c\\x78\\x08\\xbb\\xff\\x1a\\x91\";\n\tif (sctp_test_hmac(\"SHA1 test case 7\", SCTP_AUTH_HMAC_ID_SHA1, key, keylen,\n\t text, textlen, digest, digestlen) < 0)\n\t\tfailed++;","\t/* done with all tests */\n\tif (failed)\n\t\tSCTP_PRINTF(\"\\nSHA1 test results: %d cases failed\", failed);\n\telse\n\t\tSCTP_PRINTF(\"\\nSHA1 test results: all test cases passed\");\n}","/*\n * test assoc key concatenation\n */\nstatic int\nsctp_test_key_concatenation(sctp_key_t *key1, sctp_key_t *key2,\n sctp_key_t *expected_key)\n{\n\tsctp_key_t *key;\n\tint ret_val;","\tsctp_show_key(key1, \"\\nkey1\");\n\tsctp_show_key(key2, \"\\nkey2\");\n\tkey = sctp_compute_hashkey(key1, key2, NULL);\n\tsctp_show_key(expected_key, \"\\nExpected\");\n\tsctp_show_key(key, \"\\nComputed\");\n\tif (memcmp(key, expected_key, expected_key->keylen) != 0) {\n\t\tSCTP_PRINTF(\"\\nFAILED\");\n\t\tret_val = -1;\n\t} else {\n\t\tSCTP_PRINTF(\"\\nPASSED\");\n\t\tret_val = 0;\n\t}\n\tsctp_free_key(key1);\n\tsctp_free_key(key2);\n\tsctp_free_key(expected_key);\n\tsctp_free_key(key);\n\treturn (ret_val);\n}","\nvoid\nsctp_test_authkey(void)\n{\n\tsctp_key_t *key1, *key2, *expected_key;\n\tint failed = 0;","\t/* test case 1 */\n\tkey1 = sctp_set_key(\"\\x01\\x01\\x01\\x01\", 4);\n\tkey2 = sctp_set_key(\"\\x01\\x02\\x03\\x04\", 4);\n\texpected_key = sctp_set_key(\"\\x01\\x01\\x01\\x01\\x01\\x02\\x03\\x04\", 8);\n\tif (sctp_test_key_concatenation(key1, key2, expected_key) < 0)\n\t\tfailed++;","\t/* test case 2 */\n\tkey1 = sctp_set_key(\"\\x00\\x00\\x00\\x01\", 4);\n\tkey2 = sctp_set_key(\"\\x02\", 1);\n\texpected_key = sctp_set_key(\"\\x00\\x00\\x00\\x01\\x02\", 5);\n\tif (sctp_test_key_concatenation(key1, key2, expected_key) < 0)\n\t\tfailed++;","\t/* test case 3 */\n\tkey1 = sctp_set_key(\"\\x01\", 1);\n\tkey2 = sctp_set_key(\"\\x00\\x00\\x00\\x02\", 4);\n\texpected_key = sctp_set_key(\"\\x01\\x00\\x00\\x00\\x02\", 5);\n\tif (sctp_test_key_concatenation(key1, key2, expected_key) < 0)\n\t\tfailed++;","\t/* test case 4 */\n\tkey1 = sctp_set_key(\"\\x00\\x00\\x00\\x01\", 4);\n\tkey2 = sctp_set_key(\"\\x01\", 1);\n\texpected_key = sctp_set_key(\"\\x01\\x00\\x00\\x00\\x01\", 5);\n\tif (sctp_test_key_concatenation(key1, key2, expected_key) < 0)\n\t\tfailed++;","\t/* test case 5 */\n\tkey1 = sctp_set_key(\"\\x01\", 1);\n\tkey2 = sctp_set_key(\"\\x00\\x00\\x00\\x01\", 4);\n\texpected_key = sctp_set_key(\"\\x01\\x00\\x00\\x00\\x01\", 5);\n\tif (sctp_test_key_concatenation(key1, key2, expected_key) < 0)\n\t\tfailed++;","\t/* test case 6 */\n\tkey1 = sctp_set_key(\"\\x00\\x00\\x00\\x00\\x01\\x02\\x03\\x04\\x05\\x06\\x07\", 11);\n\tkey2 = sctp_set_key(\"\\x00\\x00\\x00\\x00\\x01\\x02\\x03\\x04\\x05\\x06\\x08\", 11);\n\texpected_key = sctp_set_key(\"\\x00\\x00\\x00\\x00\\x01\\x02\\x03\\x04\\x05\\x06\\x07\\x00\\x00\\x00\\x00\\x01\\x02\\x03\\x04\\x05\\x06\\x08\", 22);\n\tif (sctp_test_key_concatenation(key1, key2, expected_key) < 0)\n\t\tfailed++;","\t/* test case 7 */\n\tkey1 = sctp_set_key(\"\\x00\\x00\\x00\\x00\\x01\\x02\\x03\\x04\\x05\\x06\\x08\", 11);\n\tkey2 = sctp_set_key(\"\\x00\\x00\\x00\\x00\\x01\\x02\\x03\\x04\\x05\\x06\\x07\", 11);\n\texpected_key = sctp_set_key(\"\\x00\\x00\\x00\\x00\\x01\\x02\\x03\\x04\\x05\\x06\\x07\\x00\\x00\\x00\\x00\\x01\\x02\\x03\\x04\\x05\\x06\\x08\", 22);\n\tif (sctp_test_key_concatenation(key1, key2, expected_key) < 0)\n\t\tfailed++;","\t/* done with all tests */\n\tif (failed)\n\t\tSCTP_PRINTF(\"\\nKey concatenation test results: %d cases failed\", failed);\n\telse\n\t\tSCTP_PRINTF(\"\\nKey concatenation test results: all test cases passed\");\n}","\n#if defined(STANDALONE_HMAC_TEST)\nint\nmain(void)\n{\n\tsctp_test_hmac_sha1();\n\tsctp_test_authkey();\n}","#endif /* STANDALONE_HMAC_TEST */","#endif /* SCTP_HMAC_TEST */"],"string":"[\n \"/*-\\n * SPDX-License-Identifier: BSD-3-Clause\\n *\\n * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved.\\n * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.\\n * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.\\n *\\n * Redistribution and use in source and binary forms, with or without\\n * modification, are permitted provided that the following conditions are met:\\n *\\n * a) Redistributions of source code must retain the above copyright notice,\\n * this list of conditions and the following disclaimer.\\n *\\n * b) Redistributions in binary form must reproduce the above copyright\\n * notice, this list of conditions and the following disclaimer in\\n * the documentation and/or other materials provided with the distribution.\\n *\\n * c) Neither the name of Cisco Systems, Inc. nor the names of its\\n * contributors may be used to endorse or promote products derived\\n * from this software without specific prior written permission.\\n *\\n * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\\n * \\\"AS IS\\\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,\\n * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\\n * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\\n * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\\n * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\\n * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\\n * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\\n * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\\n * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF\\n * THE POSSIBILITY OF SUCH DAMAGE.\\n */\",\n \"#ifdef __FreeBSD__\\n#include <sys/cdefs.h>\",\n \"__FBSDID(\\\"$FreeBSD: head/sys/netinet/sctp_auth.c 352438 2019-09-17 09:46:42Z tuexen $\\\");\",\n \"#endif\",\n \"#include <netinet/sctp_os.h>\\n#include <netinet/sctp.h>\\n#include <netinet/sctp_header.h>\\n#include <netinet/sctp_pcb.h>\\n#include <netinet/sctp_var.h>\\n#include <netinet/sctp_sysctl.h>\\n#include <netinet/sctputil.h>\\n#include <netinet/sctp_indata.h>\\n#include <netinet/sctp_output.h>\\n#include <netinet/sctp_auth.h>\",\n \"#ifdef SCTP_DEBUG\\n#define SCTP_AUTH_DEBUG\\t\\t(SCTP_BASE_SYSCTL(sctp_debug_on) & SCTP_DEBUG_AUTH1)\\n#define SCTP_AUTH_DEBUG2\\t(SCTP_BASE_SYSCTL(sctp_debug_on) & SCTP_DEBUG_AUTH2)\\n#endif /* SCTP_DEBUG */\",\n \"\\nvoid\\nsctp_clear_chunklist(sctp_auth_chklist_t *chklist)\\n{\\n\\tmemset(chklist, 0, sizeof(*chklist));\\n\\t/* chklist->num_chunks = 0; */\\n}\",\n \"sctp_auth_chklist_t *\\nsctp_alloc_chunklist(void)\\n{\\n\\tsctp_auth_chklist_t *chklist;\",\n \"\\tSCTP_MALLOC(chklist, sctp_auth_chklist_t *, sizeof(*chklist),\\n\\t\\t SCTP_M_AUTH_CL);\\n\\tif (chklist == NULL) {\\n\\t\\tSCTPDBG(SCTP_DEBUG_AUTH1, \\\"sctp_alloc_chunklist: failed to get memory!\\\\n\\\");\\n\\t} else {\\n\\t\\tsctp_clear_chunklist(chklist);\\n\\t}\\n\\treturn (chklist);\\n}\",\n \"void\\nsctp_free_chunklist(sctp_auth_chklist_t *list)\\n{\\n\\tif (list != NULL)\\n\\t\\tSCTP_FREE(list, SCTP_M_AUTH_CL);\\n}\",\n \"sctp_auth_chklist_t *\\nsctp_copy_chunklist(sctp_auth_chklist_t *list)\\n{\\n\\tsctp_auth_chklist_t *new_list;\",\n \"\\tif (list == NULL)\\n\\t\\treturn (NULL);\",\n \"\\t/* get a new list */\\n\\tnew_list = sctp_alloc_chunklist();\\n\\tif (new_list == NULL)\\n\\t\\treturn (NULL);\\n\\t/* copy it */\\n\\tmemcpy(new_list, list, sizeof(*new_list));\",\n \"\\treturn (new_list);\\n}\",\n \"\\n/*\\n * add a chunk to the required chunks list\\n */\\nint\\nsctp_auth_add_chunk(uint8_t chunk, sctp_auth_chklist_t *list)\\n{\\n\\tif (list == NULL)\\n\\t\\treturn (-1);\",\n \"\\t/* is chunk restricted? */\\n\\tif ((chunk == SCTP_INITIATION) ||\\n\\t (chunk == SCTP_INITIATION_ACK) ||\\n\\t (chunk == SCTP_SHUTDOWN_COMPLETE) ||\\n\\t (chunk == SCTP_AUTHENTICATION)) {\\n\\t\\treturn (-1);\\n\\t}\\n\\tif (list->chunks[chunk] == 0) {\\n\\t\\tlist->chunks[chunk] = 1;\\n\\t\\tlist->num_chunks++;\\n\\t\\tSCTPDBG(SCTP_DEBUG_AUTH1,\\n\\t\\t\\t\\\"SCTP: added chunk %u (0x%02x) to Auth list\\\\n\\\",\\n\\t\\t\\tchunk, chunk);\\n\\t}\\n\\treturn (0);\\n}\",\n \"/*\\n * delete a chunk from the required chunks list\\n */\\nint\\nsctp_auth_delete_chunk(uint8_t chunk, sctp_auth_chklist_t *list)\\n{\\n\\tif (list == NULL)\\n\\t\\treturn (-1);\",\n \"\\tif (list->chunks[chunk] == 1) {\\n\\t\\tlist->chunks[chunk] = 0;\\n\\t\\tlist->num_chunks--;\\n\\t\\tSCTPDBG(SCTP_DEBUG_AUTH1,\\n\\t\\t\\t\\\"SCTP: deleted chunk %u (0x%02x) from Auth list\\\\n\\\",\\n\\t\\t\\tchunk, chunk);\\n\\t}\\n\\treturn (0);\\n}\",\n \"size_t\\nsctp_auth_get_chklist_size(const sctp_auth_chklist_t *list)\\n{\\n\\tif (list == NULL)\\n\\t\\treturn (0);\\n\\telse\\n\\t\\treturn (list->num_chunks);\\n}\",\n \"/*\\n * return the current number and list of required chunks caller must\\n * guarantee ptr has space for up to 256 bytes\\n */\\nint\\nsctp_serialize_auth_chunks(const sctp_auth_chklist_t *list, uint8_t *ptr)\\n{\\n\\tint i, count = 0;\",\n \"\\tif (list == NULL)\\n\\t\\treturn (0);\",\n \"\\tfor (i = 0; i < 256; i++) {\\n\\t\\tif (list->chunks[i] != 0) {\\n\\t\\t\\t*ptr++ = i;\\n\\t\\t\\tcount++;\\n\\t\\t}\\n\\t}\\n\\treturn (count);\\n}\",\n \"int\\nsctp_pack_auth_chunks(const sctp_auth_chklist_t *list, uint8_t *ptr)\\n{\\n\\tint i, size = 0;\",\n \"\\tif (list == NULL)\\n\\t\\treturn (0);\",\n \"\\tif (list->num_chunks <= 32) {\\n\\t\\t/* just list them, one byte each */\\n\\t\\tfor (i = 0; i < 256; i++) {\\n\\t\\t\\tif (list->chunks[i] != 0) {\\n\\t\\t\\t\\t*ptr++ = i;\\n\\t\\t\\t\\tsize++;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t} else {\\n\\t\\tint index, offset;\",\n \"\\t\\t/* pack into a 32 byte bitfield */\\n\\t\\tfor (i = 0; i < 256; i++) {\\n\\t\\t\\tif (list->chunks[i] != 0) {\\n\\t\\t\\t\\tindex = i / 8;\\n\\t\\t\\t\\toffset = i % 8;\\n\\t\\t\\t\\tptr[index] |= (1 << offset);\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\tsize = 32;\\n\\t}\\n\\treturn (size);\\n}\",\n \"int\\nsctp_unpack_auth_chunks(const uint8_t *ptr, uint8_t num_chunks,\\n sctp_auth_chklist_t *list)\\n{\\n\\tint i;\\n\\tint size;\",\n \"\\tif (list == NULL)\\n\\t\\treturn (0);\",\n \"\\tif (num_chunks <= 32) {\\n\\t\\t/* just pull them, one byte each */\\n\\t\\tfor (i = 0; i < num_chunks; i++) {\\n\\t\\t\\t(void)sctp_auth_add_chunk(*ptr++, list);\\n\\t\\t}\\n\\t\\tsize = num_chunks;\\n\\t} else {\\n\\t\\tint index, offset;\",\n \"\\t\\t/* unpack from a 32 byte bitfield */\\n\\t\\tfor (index = 0; index < 32; index++) {\\n\\t\\t\\tfor (offset = 0; offset < 8; offset++) {\\n\\t\\t\\t\\tif (ptr[index] & (1 << offset)) {\\n\\t\\t\\t\\t\\t(void)sctp_auth_add_chunk((index * 8) + offset, list);\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\tsize = 32;\\n\\t}\\n\\treturn (size);\\n}\",\n \"\\n/*\\n * allocate structure space for a key of length keylen\\n */\\nsctp_key_t *\\nsctp_alloc_key(uint32_t keylen)\\n{\\n\\tsctp_key_t *new_key;\",\n \"\\tSCTP_MALLOC(new_key, sctp_key_t *, sizeof(*new_key) + keylen,\\n\\t\\t SCTP_M_AUTH_KY);\\n\\tif (new_key == NULL) {\\n\\t\\t/* out of memory */\\n\\t\\treturn (NULL);\\n\\t}\\n\\tnew_key->keylen = keylen;\\n\\treturn (new_key);\\n}\",\n \"void\\nsctp_free_key(sctp_key_t *key)\\n{\\n\\tif (key != NULL)\\n\\t\\tSCTP_FREE(key,SCTP_M_AUTH_KY);\\n}\",\n \"void\\nsctp_print_key(sctp_key_t *key, const char *str)\\n{\\n\\tuint32_t i;\",\n \"\\tif (key == NULL) {\\n\\t\\tSCTP_PRINTF(\\\"%s: [Null key]\\\\n\\\", str);\\n\\t\\treturn;\\n\\t}\\n\\tSCTP_PRINTF(\\\"%s: len %u, \\\", str, key->keylen);\\n\\tif (key->keylen) {\\n\\t\\tfor (i = 0; i < key->keylen; i++)\\n\\t\\t\\tSCTP_PRINTF(\\\"%02x\\\", key->key[i]);\\n\\t\\tSCTP_PRINTF(\\\"\\\\n\\\");\\n\\t} else {\\n\\t\\tSCTP_PRINTF(\\\"[Null key]\\\\n\\\");\\n\\t}\\n}\",\n \"void\\nsctp_show_key(sctp_key_t *key, const char *str)\\n{\\n\\tuint32_t i;\",\n \"\\tif (key == NULL) {\\n\\t\\tSCTP_PRINTF(\\\"%s: [Null key]\\\\n\\\", str);\\n\\t\\treturn;\\n\\t}\\n\\tSCTP_PRINTF(\\\"%s: len %u, \\\", str, key->keylen);\\n\\tif (key->keylen) {\\n\\t\\tfor (i = 0; i < key->keylen; i++)\\n\\t\\t\\tSCTP_PRINTF(\\\"%02x\\\", key->key[i]);\\n\\t\\tSCTP_PRINTF(\\\"\\\\n\\\");\\n\\t} else {\\n\\t\\tSCTP_PRINTF(\\\"[Null key]\\\\n\\\");\\n\\t}\\n}\",\n \"static uint32_t\\nsctp_get_keylen(sctp_key_t *key)\\n{\\n\\tif (key != NULL)\\n\\t\\treturn (key->keylen);\\n\\telse\\n\\t\\treturn (0);\\n}\",\n \"/*\\n * generate a new random key of length 'keylen'\\n */\\nsctp_key_t *\\nsctp_generate_random_key(uint32_t keylen)\\n{\\n\\tsctp_key_t *new_key;\",\n \"\\tnew_key = sctp_alloc_key(keylen);\\n\\tif (new_key == NULL) {\\n\\t\\t/* out of memory */\\n\\t\\treturn (NULL);\\n\\t}\\n\\tSCTP_READ_RANDOM(new_key->key, keylen);\\n\\tnew_key->keylen = keylen;\\n\\treturn (new_key);\\n}\",\n \"sctp_key_t *\\nsctp_set_key(uint8_t *key, uint32_t keylen)\\n{\\n\\tsctp_key_t *new_key;\",\n \"\\tnew_key = sctp_alloc_key(keylen);\\n\\tif (new_key == NULL) {\\n\\t\\t/* out of memory */\\n\\t\\treturn (NULL);\\n\\t}\\n\\tmemcpy(new_key->key, key, keylen);\\n\\treturn (new_key);\\n}\",\n \"/*-\\n * given two keys of variable size, compute which key is \\\"larger/smaller\\\"\\n * returns: 1 if key1 > key2\\n * -1 if key1 < key2\\n * 0 if key1 = key2\\n */\\nstatic int\\nsctp_compare_key(sctp_key_t *key1, sctp_key_t *key2)\\n{\\n\\tuint32_t maxlen;\\n\\tuint32_t i;\\n\\tuint32_t key1len, key2len;\\n\\tuint8_t *key_1, *key_2;\\n\\tuint8_t val1, val2;\",\n \"\\t/* sanity/length check */\\n\\tkey1len = sctp_get_keylen(key1);\\n\\tkey2len = sctp_get_keylen(key2);\\n\\tif ((key1len == 0) && (key2len == 0))\\n\\t\\treturn (0);\\n\\telse if (key1len == 0)\\n\\t\\treturn (-1);\\n\\telse if (key2len == 0)\\n\\t\\treturn (1);\",\n \"\\tif (key1len < key2len) {\\n\\t\\tmaxlen = key2len;\\n\\t} else {\\n\\t\\tmaxlen = key1len;\\n\\t}\\n\\tkey_1 = key1->key;\\n\\tkey_2 = key2->key;\\n\\t/* check for numeric equality */\\n\\tfor (i = 0; i < maxlen; i++) {\\n\\t\\t/* left-pad with zeros */\\n\\t\\tval1 = (i < (maxlen - key1len)) ? 0 : *(key_1++);\\n\\t\\tval2 = (i < (maxlen - key2len)) ? 0 : *(key_2++);\\n\\t\\tif (val1 > val2) {\\n\\t\\t\\treturn (1);\\n\\t\\t} else if (val1 < val2) {\\n\\t\\t\\treturn (-1);\\n\\t\\t}\\n\\t}\\n\\t/* keys are equal value, so check lengths */\\n\\tif (key1len == key2len)\\n\\t\\treturn (0);\\n\\telse if (key1len < key2len)\\n\\t\\treturn (-1);\\n\\telse\\n\\t\\treturn (1);\\n}\",\n \"/*\\n * generate the concatenated keying material based on the two keys and the\\n * shared key (if available). draft-ietf-tsvwg-auth specifies the specific\\n * order for concatenation\\n */\\nsctp_key_t *\\nsctp_compute_hashkey(sctp_key_t *key1, sctp_key_t *key2, sctp_key_t *shared)\\n{\\n\\tuint32_t keylen;\\n\\tsctp_key_t *new_key;\\n\\tuint8_t *key_ptr;\",\n \"\\tkeylen = sctp_get_keylen(key1) + sctp_get_keylen(key2) +\\n\\t sctp_get_keylen(shared);\",\n \"\\tif (keylen > 0) {\\n\\t\\t/* get space for the new key */\\n\\t\\tnew_key = sctp_alloc_key(keylen);\\n\\t\\tif (new_key == NULL) {\\n\\t\\t\\t/* out of memory */\\n\\t\\t\\treturn (NULL);\\n\\t\\t}\\n\\t\\tnew_key->keylen = keylen;\\n\\t\\tkey_ptr = new_key->key;\\n\\t} else {\\n\\t\\t/* all keys empty/null?! */\\n\\t\\treturn (NULL);\\n\\t}\",\n \"\\t/* concatenate the keys */\\n\\tif (sctp_compare_key(key1, key2) <= 0) {\\n\\t\\t/* key is shared + key1 + key2 */\\n\\t\\tif (sctp_get_keylen(shared)) {\\n\\t\\t\\tmemcpy(key_ptr, shared->key, shared->keylen);\\n\\t\\t\\tkey_ptr += shared->keylen;\\n\\t\\t}\\n\\t\\tif (sctp_get_keylen(key1)) {\\n\\t\\t\\tmemcpy(key_ptr, key1->key, key1->keylen);\\n\\t\\t\\tkey_ptr += key1->keylen;\\n\\t\\t}\\n\\t\\tif (sctp_get_keylen(key2)) {\\n\\t\\t\\tmemcpy(key_ptr, key2->key, key2->keylen);\\n\\t\\t}\\n\\t} else {\\n\\t\\t/* key is shared + key2 + key1 */\\n\\t\\tif (sctp_get_keylen(shared)) {\\n\\t\\t\\tmemcpy(key_ptr, shared->key, shared->keylen);\\n\\t\\t\\tkey_ptr += shared->keylen;\\n\\t\\t}\\n\\t\\tif (sctp_get_keylen(key2)) {\\n\\t\\t\\tmemcpy(key_ptr, key2->key, key2->keylen);\\n\\t\\t\\tkey_ptr += key2->keylen;\\n\\t\\t}\\n\\t\\tif (sctp_get_keylen(key1)) {\\n\\t\\t\\tmemcpy(key_ptr, key1->key, key1->keylen);\\n\\t\\t}\\n\\t}\\n\\treturn (new_key);\\n}\",\n \"\\nsctp_sharedkey_t *\\nsctp_alloc_sharedkey(void)\\n{\\n\\tsctp_sharedkey_t *new_key;\",\n \"\\tSCTP_MALLOC(new_key, sctp_sharedkey_t *, sizeof(*new_key),\\n\\t\\t SCTP_M_AUTH_KY);\\n\\tif (new_key == NULL) {\\n\\t\\t/* out of memory */\\n\\t\\treturn (NULL);\\n\\t}\\n\\tnew_key->keyid = 0;\\n\\tnew_key->key = NULL;\\n\\tnew_key->refcount = 1;\\n\\tnew_key->deactivated = 0;\\n\\treturn (new_key);\\n}\",\n \"void\\nsctp_free_sharedkey(sctp_sharedkey_t *skey)\\n{\\n\\tif (skey == NULL)\\n\\t\\treturn;\",\n \"\\tif (SCTP_DECREMENT_AND_CHECK_REFCOUNT(&skey->refcount)) {\\n\\t\\tif (skey->key != NULL)\\n\\t\\t\\tsctp_free_key(skey->key);\\n\\t\\tSCTP_FREE(skey, SCTP_M_AUTH_KY);\\n\\t}\\n}\",\n \"sctp_sharedkey_t *\\nsctp_find_sharedkey(struct sctp_keyhead *shared_keys, uint16_t key_id)\\n{\\n\\tsctp_sharedkey_t *skey;\",\n \"\\tLIST_FOREACH(skey, shared_keys, next) {\\n\\t\\tif (skey->keyid == key_id)\\n\\t\\t\\treturn (skey);\\n\\t}\\n\\treturn (NULL);\\n}\",\n \"int\\nsctp_insert_sharedkey(struct sctp_keyhead *shared_keys,\\n\\t\\t sctp_sharedkey_t *new_skey)\\n{\\n\\tsctp_sharedkey_t *skey;\",\n \"\\tif ((shared_keys == NULL) || (new_skey == NULL))\\n\\t\\treturn (EINVAL);\",\n \"\\t/* insert into an empty list? */\\n\\tif (LIST_EMPTY(shared_keys)) {\\n\\t\\tLIST_INSERT_HEAD(shared_keys, new_skey, next);\\n\\t\\treturn (0);\\n\\t}\\n\\t/* insert into the existing list, ordered by key id */\\n\\tLIST_FOREACH(skey, shared_keys, next) {\\n\\t\\tif (new_skey->keyid < skey->keyid) {\\n\\t\\t\\t/* insert it before here */\\n\\t\\t\\tLIST_INSERT_BEFORE(skey, new_skey, next);\\n\\t\\t\\treturn (0);\\n\\t\\t} else if (new_skey->keyid == skey->keyid) {\\n\\t\\t\\t/* replace the existing key */\\n\\t\\t\\t/* verify this key *can* be replaced */\\n\\t\\t\\tif ((skey->deactivated) || (skey->refcount > 1)) {\\n\\t\\t\\t\\tSCTPDBG(SCTP_DEBUG_AUTH1,\\n\\t\\t\\t\\t\\t\\\"can't replace shared key id %u\\\\n\\\",\\n\\t\\t\\t\\t\\tnew_skey->keyid);\\n\\t\\t\\t\\treturn (EBUSY);\\n\\t\\t\\t}\\n\\t\\t\\tSCTPDBG(SCTP_DEBUG_AUTH1,\\n\\t\\t\\t\\t\\\"replacing shared key id %u\\\\n\\\",\\n\\t\\t\\t\\tnew_skey->keyid);\\n\\t\\t\\tLIST_INSERT_BEFORE(skey, new_skey, next);\\n\\t\\t\\tLIST_REMOVE(skey, next);\\n\\t\\t\\tsctp_free_sharedkey(skey);\\n\\t\\t\\treturn (0);\\n\\t\\t}\\n\\t\\tif (LIST_NEXT(skey, next) == NULL) {\\n\\t\\t\\t/* belongs at the end of the list */\\n\\t\\t\\tLIST_INSERT_AFTER(skey, new_skey, next);\\n\\t\\t\\treturn (0);\\n\\t\\t}\\n\\t}\\n\\t/* shouldn't reach here */\\n\\treturn (EINVAL);\\n}\",\n \"void\\nsctp_auth_key_acquire(struct sctp_tcb *stcb, uint16_t key_id)\\n{\\n\\tsctp_sharedkey_t *skey;\",\n \"\\t/* find the shared key */\\n\\tskey = sctp_find_sharedkey(&stcb->asoc.shared_keys, key_id);\",\n \"\\t/* bump the ref count */\\n\\tif (skey) {\\n\\t\\tatomic_add_int(&skey->refcount, 1);\\n\\t\\tSCTPDBG(SCTP_DEBUG_AUTH2,\\n\\t\\t\\t\\\"%s: stcb %p key %u refcount acquire to %d\\\\n\\\",\\n\\t\\t\\t__func__, (void *)stcb, key_id, skey->refcount);\\n\\t}\\n}\",\n \"void\\nsctp_auth_key_release(struct sctp_tcb *stcb, uint16_t key_id, int so_locked\\n#if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING)\\n\\tSCTP_UNUSED\\n#endif\\n)\\n{\\n\\tsctp_sharedkey_t *skey;\",\n \"\\t/* find the shared key */\\n\\tskey = sctp_find_sharedkey(&stcb->asoc.shared_keys, key_id);\",\n \"\\t/* decrement the ref count */\\n\\tif (skey) {\\n\\t\\tSCTPDBG(SCTP_DEBUG_AUTH2,\\n\\t\\t\\t\\\"%s: stcb %p key %u refcount release to %d\\\\n\\\",\\n\\t\\t\\t__func__, (void *)stcb, key_id, skey->refcount);\",\n \"\\t\\t/* see if a notification should be generated */\\n\\t\\tif ((skey->refcount <= 2) && (skey->deactivated)) {\\n\\t\\t\\t/* notify ULP that key is no longer used */\\n\\t\\t\\tsctp_ulp_notify(SCTP_NOTIFY_AUTH_FREE_KEY, stcb,\\n\\t\\t\\t\\t\\tkey_id, 0, so_locked);\\n\\t\\t\\tSCTPDBG(SCTP_DEBUG_AUTH2,\\n\\t\\t\\t\\t\\\"%s: stcb %p key %u no longer used, %d\\\\n\\\",\\n\\t\\t\\t\\t__func__, (void *)stcb, key_id, skey->refcount);\\n\\t\\t}\\n\\t\\tsctp_free_sharedkey(skey);\\n\\t}\\n}\",\n \"static sctp_sharedkey_t *\\nsctp_copy_sharedkey(const sctp_sharedkey_t *skey)\\n{\\n\\tsctp_sharedkey_t *new_skey;\",\n \"\\tif (skey == NULL)\\n\\t\\treturn (NULL);\\n\\tnew_skey = sctp_alloc_sharedkey();\\n\\tif (new_skey == NULL)\\n\\t\\treturn (NULL);\\n\\tif (skey->key != NULL)\\n\\t\\tnew_skey->key = sctp_set_key(skey->key->key, skey->key->keylen);\\n\\telse\\n\\t\\tnew_skey->key = NULL;\\n\\tnew_skey->keyid = skey->keyid;\\n\\treturn (new_skey);\\n}\",\n \"int\\nsctp_copy_skeylist(const struct sctp_keyhead *src, struct sctp_keyhead *dest)\\n{\\n\\tsctp_sharedkey_t *skey, *new_skey;\\n\\tint count = 0;\",\n \"\\tif ((src == NULL) || (dest == NULL))\\n\\t\\treturn (0);\\n\\tLIST_FOREACH(skey, src, next) {\\n\\t\\tnew_skey = sctp_copy_sharedkey(skey);\\n\\t\\tif (new_skey != NULL) {\\n\\t\\t\\tif (sctp_insert_sharedkey(dest, new_skey)) {\\n\\t\\t\\t\\tsctp_free_sharedkey(new_skey);\\n\\t\\t\\t} else {\\n\\t\\t\\t\\tcount++;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n\\treturn (count);\\n}\",\n \"\\nsctp_hmaclist_t *\\nsctp_alloc_hmaclist(uint16_t num_hmacs)\\n{\\n\\tsctp_hmaclist_t *new_list;\\n\\tint alloc_size;\",\n \"\\talloc_size = sizeof(*new_list) + num_hmacs * sizeof(new_list->hmac[0]);\\n\\tSCTP_MALLOC(new_list, sctp_hmaclist_t *, alloc_size,\\n\\t\\t SCTP_M_AUTH_HL);\\n\\tif (new_list == NULL) {\\n\\t\\t/* out of memory */\\n\\t\\treturn (NULL);\\n\\t}\\n\\tnew_list->max_algo = num_hmacs;\\n\\tnew_list->num_algo = 0;\\n\\treturn (new_list);\\n}\",\n \"void\\nsctp_free_hmaclist(sctp_hmaclist_t *list)\\n{\\n\\tif (list != NULL) {\\n\\t\\tSCTP_FREE(list,SCTP_M_AUTH_HL);\\n\\t\\tlist = NULL;\\n\\t}\\n}\",\n \"int\\nsctp_auth_add_hmacid(sctp_hmaclist_t *list, uint16_t hmac_id)\\n{\\n\\tint i;\\n\\tif (list == NULL)\\n\\t\\treturn (-1);\\n\\tif (list->num_algo == list->max_algo) {\\n\\t\\tSCTPDBG(SCTP_DEBUG_AUTH1,\\n\\t\\t\\t\\\"SCTP: HMAC id list full, ignoring add %u\\\\n\\\", hmac_id);\\n\\t\\treturn (-1);\\n\\t}\\n#if defined(SCTP_SUPPORT_HMAC_SHA256)\\n\\tif ((hmac_id != SCTP_AUTH_HMAC_ID_SHA1) &&\\n\\t (hmac_id != SCTP_AUTH_HMAC_ID_SHA256)) {\\n#else\\n\\tif (hmac_id != SCTP_AUTH_HMAC_ID_SHA1) {\\n#endif\\n\\t\\treturn (-1);\\n\\t}\\n\\t/* Now is it already in the list */\\n\\tfor (i = 0; i < list->num_algo; i++) {\\n\\t\\tif (list->hmac[i] == hmac_id) {\\n\\t\\t\\t/* already in list */\\n\\t\\t\\treturn (-1);\\n\\t\\t}\\n\\t}\\n\\tSCTPDBG(SCTP_DEBUG_AUTH1, \\\"SCTP: add HMAC id %u to list\\\\n\\\", hmac_id);\\n\\tlist->hmac[list->num_algo++] = hmac_id;\\n\\treturn (0);\\n}\",\n \"sctp_hmaclist_t *\\nsctp_copy_hmaclist(sctp_hmaclist_t *list)\\n{\\n\\tsctp_hmaclist_t *new_list;\\n\\tint i;\",\n \"\\tif (list == NULL)\\n\\t\\treturn (NULL);\\n\\t/* get a new list */\\n\\tnew_list = sctp_alloc_hmaclist(list->max_algo);\\n\\tif (new_list == NULL)\\n\\t\\treturn (NULL);\\n\\t/* copy it */\\n\\tnew_list->max_algo = list->max_algo;\\n\\tnew_list->num_algo = list->num_algo;\\n\\tfor (i = 0; i < list->num_algo; i++)\\n\\t\\tnew_list->hmac[i] = list->hmac[i];\\n\\treturn (new_list);\\n}\",\n \"sctp_hmaclist_t *\\nsctp_default_supported_hmaclist(void)\\n{\\n\\tsctp_hmaclist_t *new_list;\",\n \"#if defined(SCTP_SUPPORT_HMAC_SHA256)\\n\\tnew_list = sctp_alloc_hmaclist(2);\\n#else\\n\\tnew_list = sctp_alloc_hmaclist(1);\\n#endif\\n\\tif (new_list == NULL)\\n\\t\\treturn (NULL);\\n#if defined(SCTP_SUPPORT_HMAC_SHA256)\\n\\t/* We prefer SHA256, so list it first */\\n\\t(void)sctp_auth_add_hmacid(new_list, SCTP_AUTH_HMAC_ID_SHA256);\\n#endif\\n\\t(void)sctp_auth_add_hmacid(new_list, SCTP_AUTH_HMAC_ID_SHA1);\\n\\treturn (new_list);\\n}\",\n \"/*-\\n * HMAC algos are listed in priority/preference order\\n * find the best HMAC id to use for the peer based on local support\\n */\\nuint16_t\\nsctp_negotiate_hmacid(sctp_hmaclist_t *peer, sctp_hmaclist_t *local)\\n{\\n\\tint i, j;\",\n \"\\tif ((local == NULL) || (peer == NULL))\\n\\t\\treturn (SCTP_AUTH_HMAC_ID_RSVD);\",\n \"\\tfor (i = 0; i < peer->num_algo; i++) {\\n\\t\\tfor (j = 0; j < local->num_algo; j++) {\\n\\t\\t\\tif (peer->hmac[i] == local->hmac[j]) {\\n\\t\\t\\t\\t/* found the \\\"best\\\" one */\\n\\t\\t\\t\\tSCTPDBG(SCTP_DEBUG_AUTH1,\\n\\t\\t\\t\\t\\t\\\"SCTP: negotiated peer HMAC id %u\\\\n\\\",\\n\\t\\t\\t\\t\\tpeer->hmac[i]);\\n\\t\\t\\t\\treturn (peer->hmac[i]);\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n\\t/* didn't find one! */\\n\\treturn (SCTP_AUTH_HMAC_ID_RSVD);\\n}\",\n \"/*-\\n * serialize the HMAC algo list and return space used\\n * caller must guarantee ptr has appropriate space\\n */\\nint\\nsctp_serialize_hmaclist(sctp_hmaclist_t *list, uint8_t *ptr)\\n{\\n\\tint i;\\n\\tuint16_t hmac_id;\",\n \"\\tif (list == NULL)\\n\\t\\treturn (0);\",\n \"\\tfor (i = 0; i < list->num_algo; i++) {\\n\\t\\thmac_id = htons(list->hmac[i]);\\n\\t\\tmemcpy(ptr, &hmac_id, sizeof(hmac_id));\\n\\t\\tptr += sizeof(hmac_id);\\n\\t}\\n\\treturn (list->num_algo * sizeof(hmac_id));\\n}\",\n \"int\\nsctp_verify_hmac_param (struct sctp_auth_hmac_algo *hmacs, uint32_t num_hmacs)\\n{\\n\\tuint32_t i;\",\n \"\\tfor (i = 0; i < num_hmacs; i++) {\\n\\t\\tif (ntohs(hmacs->hmac_ids[i]) == SCTP_AUTH_HMAC_ID_SHA1) {\\n\\t\\t\\treturn (0);\\n\\t\\t}\\n\\t}\\n\\treturn (-1);\\n}\",\n \"sctp_authinfo_t *\\nsctp_alloc_authinfo(void)\\n{\\n\\tsctp_authinfo_t *new_authinfo;\",\n \"\\tSCTP_MALLOC(new_authinfo, sctp_authinfo_t *, sizeof(*new_authinfo),\\n\\t\\t SCTP_M_AUTH_IF);\",\n \"\\tif (new_authinfo == NULL) {\\n\\t\\t/* out of memory */\\n\\t\\treturn (NULL);\\n\\t}\\n\\tmemset(new_authinfo, 0, sizeof(*new_authinfo));\\n\\treturn (new_authinfo);\\n}\",\n \"void\\nsctp_free_authinfo(sctp_authinfo_t *authinfo)\\n{\\n\\tif (authinfo == NULL)\\n\\t\\treturn;\",\n \"\\tif (authinfo->random != NULL)\\n\\t\\tsctp_free_key(authinfo->random);\\n\\tif (authinfo->peer_random != NULL)\\n\\t\\tsctp_free_key(authinfo->peer_random);\\n\\tif (authinfo->assoc_key != NULL)\\n\\t\\tsctp_free_key(authinfo->assoc_key);\\n\\tif (authinfo->recv_key != NULL)\\n\\t\\tsctp_free_key(authinfo->recv_key);\",\n \"\\t/* We are NOT dynamically allocating authinfo's right now... */\\n\\t/* SCTP_FREE(authinfo, SCTP_M_AUTH_??); */\\n}\",\n \"\\nuint32_t\\nsctp_get_auth_chunk_len(uint16_t hmac_algo)\\n{\\n\\tint size;\",\n \"\\tsize = sizeof(struct sctp_auth_chunk) + sctp_get_hmac_digest_len(hmac_algo);\\n\\treturn (SCTP_SIZE32(size));\\n}\",\n \"uint32_t\\nsctp_get_hmac_digest_len(uint16_t hmac_algo)\\n{\\n\\tswitch (hmac_algo) {\\n\\tcase SCTP_AUTH_HMAC_ID_SHA1:\\n\\t\\treturn (SCTP_AUTH_DIGEST_LEN_SHA1);\\n#if defined(SCTP_SUPPORT_HMAC_SHA256)\\n\\tcase SCTP_AUTH_HMAC_ID_SHA256:\\n\\t\\treturn (SCTP_AUTH_DIGEST_LEN_SHA256);\\n#endif\\n\\tdefault:\\n\\t\\t/* unknown HMAC algorithm: can't do anything */\\n\\t\\treturn (0);\\n\\t} /* end switch */\\n}\",\n \"static inline int\\nsctp_get_hmac_block_len(uint16_t hmac_algo)\\n{\\n\\tswitch (hmac_algo) {\\n\\tcase SCTP_AUTH_HMAC_ID_SHA1:\\n\\t\\treturn (64);\\n#if defined(SCTP_SUPPORT_HMAC_SHA256)\\n\\tcase SCTP_AUTH_HMAC_ID_SHA256:\\n\\t\\treturn (64);\\n#endif\\n\\tcase SCTP_AUTH_HMAC_ID_RSVD:\\n\\tdefault:\\n\\t\\t/* unknown HMAC algorithm: can't do anything */\\n\\t\\treturn (0);\\n\\t} /* end switch */\\n}\",\n \"#if defined(__Userspace__)\\n/* __Userspace__ SHA1_Init is defined in libcrypto.a (libssl-dev on Ubuntu) */\\n#endif\\nstatic void\\nsctp_hmac_init(uint16_t hmac_algo, sctp_hash_context_t *ctx)\\n{\\n\\tswitch (hmac_algo) {\\n\\tcase SCTP_AUTH_HMAC_ID_SHA1:\\n\\t\\tSCTP_SHA1_INIT(&ctx->sha1);\\n\\t\\tbreak;\\n#if defined(SCTP_SUPPORT_HMAC_SHA256)\\n\\tcase SCTP_AUTH_HMAC_ID_SHA256:\\n\\t\\tSCTP_SHA256_INIT(&ctx->sha256);\\n\\t\\tbreak;\\n#endif\\n\\tcase SCTP_AUTH_HMAC_ID_RSVD:\\n\\tdefault:\\n\\t\\t/* unknown HMAC algorithm: can't do anything */\\n\\t\\treturn;\\n\\t} /* end switch */\\n}\",\n \"static void\\nsctp_hmac_update(uint16_t hmac_algo, sctp_hash_context_t *ctx,\\n uint8_t *text, uint32_t textlen)\\n{\\n\\tswitch (hmac_algo) {\\n\\tcase SCTP_AUTH_HMAC_ID_SHA1:\\n\\t\\tSCTP_SHA1_UPDATE(&ctx->sha1, text, textlen);\\n\\t\\tbreak;\\n#if defined(SCTP_SUPPORT_HMAC_SHA256)\\n\\tcase SCTP_AUTH_HMAC_ID_SHA256:\\n\\t\\tSCTP_SHA256_UPDATE(&ctx->sha256, text, textlen);\\n\\t\\tbreak;\\n#endif\\n\\tcase SCTP_AUTH_HMAC_ID_RSVD:\\n\\tdefault:\\n\\t\\t/* unknown HMAC algorithm: can't do anything */\\n\\t\\treturn;\\n\\t} /* end switch */\\n}\",\n \"static void\\nsctp_hmac_final(uint16_t hmac_algo, sctp_hash_context_t *ctx,\\n uint8_t *digest)\\n{\\n\\tswitch (hmac_algo) {\\n\\tcase SCTP_AUTH_HMAC_ID_SHA1:\\n\\t\\tSCTP_SHA1_FINAL(digest, &ctx->sha1);\\n\\t\\tbreak;\\n#if defined(SCTP_SUPPORT_HMAC_SHA256)\\n\\tcase SCTP_AUTH_HMAC_ID_SHA256:\\n\\t\\tSCTP_SHA256_FINAL(digest, &ctx->sha256);\\n\\t\\tbreak;\\n#endif\\n\\tcase SCTP_AUTH_HMAC_ID_RSVD:\\n\\tdefault:\\n\\t\\t/* unknown HMAC algorithm: can't do anything */\\n\\t\\treturn;\\n\\t} /* end switch */\\n}\",\n \"/*-\\n * Keyed-Hashing for Message Authentication: FIPS 198 (RFC 2104)\\n *\\n * Compute the HMAC digest using the desired hash key, text, and HMAC\\n * algorithm. Resulting digest is placed in 'digest' and digest length\\n * is returned, if the HMAC was performed.\\n *\\n * WARNING: it is up to the caller to supply sufficient space to hold the\\n * resultant digest.\\n */\\nuint32_t\\nsctp_hmac(uint16_t hmac_algo, uint8_t *key, uint32_t keylen,\\n uint8_t *text, uint32_t textlen, uint8_t *digest)\\n{\\n\\tuint32_t digestlen;\\n\\tuint32_t blocklen;\\n\\tsctp_hash_context_t ctx;\\n\\tuint8_t ipad[128], opad[128];\\t/* keyed hash inner/outer pads */\\n\\tuint8_t temp[SCTP_AUTH_DIGEST_LEN_MAX];\\n\\tuint32_t i;\",\n \"\\t/* sanity check the material and length */\\n\\tif ((key == NULL) || (keylen == 0) || (text == NULL) ||\\n\\t (textlen == 0) || (digest == NULL)) {\\n\\t\\t/* can't do HMAC with empty key or text or digest store */\\n\\t\\treturn (0);\\n\\t}\\n\\t/* validate the hmac algo and get the digest length */\\n\\tdigestlen = sctp_get_hmac_digest_len(hmac_algo);\\n\\tif (digestlen == 0)\\n\\t\\treturn (0);\",\n \"\\t/* hash the key if it is longer than the hash block size */\\n\\tblocklen = sctp_get_hmac_block_len(hmac_algo);\\n\\tif (keylen > blocklen) {\\n\\t\\tsctp_hmac_init(hmac_algo, &ctx);\\n\\t\\tsctp_hmac_update(hmac_algo, &ctx, key, keylen);\\n\\t\\tsctp_hmac_final(hmac_algo, &ctx, temp);\\n\\t\\t/* set the hashed key as the key */\\n\\t\\tkeylen = digestlen;\\n\\t\\tkey = temp;\\n\\t}\\n\\t/* initialize the inner/outer pads with the key and \\\"append\\\" zeroes */\\n\\tmemset(ipad, 0, blocklen);\\n\\tmemset(opad, 0, blocklen);\\n\\tmemcpy(ipad, key, keylen);\\n\\tmemcpy(opad, key, keylen);\",\n \"\\t/* XOR the key with ipad and opad values */\\n\\tfor (i = 0; i < blocklen; i++) {\\n\\t\\tipad[i] ^= 0x36;\\n\\t\\topad[i] ^= 0x5c;\\n\\t}\",\n \"\\t/* perform inner hash */\\n\\tsctp_hmac_init(hmac_algo, &ctx);\\n\\tsctp_hmac_update(hmac_algo, &ctx, ipad, blocklen);\\n\\tsctp_hmac_update(hmac_algo, &ctx, text, textlen);\\n\\tsctp_hmac_final(hmac_algo, &ctx, temp);\",\n \"\\t/* perform outer hash */\\n\\tsctp_hmac_init(hmac_algo, &ctx);\\n\\tsctp_hmac_update(hmac_algo, &ctx, opad, blocklen);\\n\\tsctp_hmac_update(hmac_algo, &ctx, temp, digestlen);\\n\\tsctp_hmac_final(hmac_algo, &ctx, digest);\",\n \"\\treturn (digestlen);\\n}\",\n \"/* mbuf version */\\nuint32_t\\nsctp_hmac_m(uint16_t hmac_algo, uint8_t *key, uint32_t keylen,\\n struct mbuf *m, uint32_t m_offset, uint8_t *digest, uint32_t trailer)\\n{\\n\\tuint32_t digestlen;\\n\\tuint32_t blocklen;\\n\\tsctp_hash_context_t ctx;\\n\\tuint8_t ipad[128], opad[128];\\t/* keyed hash inner/outer pads */\\n\\tuint8_t temp[SCTP_AUTH_DIGEST_LEN_MAX];\\n\\tuint32_t i;\\n\\tstruct mbuf *m_tmp;\",\n \"\\t/* sanity check the material and length */\\n\\tif ((key == NULL) || (keylen == 0) || (m == NULL) || (digest == NULL)) {\\n\\t\\t/* can't do HMAC with empty key or text or digest store */\\n\\t\\treturn (0);\\n\\t}\\n\\t/* validate the hmac algo and get the digest length */\\n\\tdigestlen = sctp_get_hmac_digest_len(hmac_algo);\\n\\tif (digestlen == 0)\\n\\t\\treturn (0);\",\n \"\\t/* hash the key if it is longer than the hash block size */\\n\\tblocklen = sctp_get_hmac_block_len(hmac_algo);\\n\\tif (keylen > blocklen) {\\n\\t\\tsctp_hmac_init(hmac_algo, &ctx);\\n\\t\\tsctp_hmac_update(hmac_algo, &ctx, key, keylen);\\n\\t\\tsctp_hmac_final(hmac_algo, &ctx, temp);\\n\\t\\t/* set the hashed key as the key */\\n\\t\\tkeylen = digestlen;\\n\\t\\tkey = temp;\\n\\t}\\n\\t/* initialize the inner/outer pads with the key and \\\"append\\\" zeroes */\\n\\tmemset(ipad, 0, blocklen);\\n\\tmemset(opad, 0, blocklen);\\n\\tmemcpy(ipad, key, keylen);\\n\\tmemcpy(opad, key, keylen);\",\n \"\\t/* XOR the key with ipad and opad values */\\n\\tfor (i = 0; i < blocklen; i++) {\\n\\t\\tipad[i] ^= 0x36;\\n\\t\\topad[i] ^= 0x5c;\\n\\t}\",\n \"\\t/* perform inner hash */\\n\\tsctp_hmac_init(hmac_algo, &ctx);\\n\\tsctp_hmac_update(hmac_algo, &ctx, ipad, blocklen);\\n\\t/* find the correct starting mbuf and offset (get start of text) */\\n\\tm_tmp = m;\\n\\twhile ((m_tmp != NULL) && (m_offset >= (uint32_t) SCTP_BUF_LEN(m_tmp))) {\\n\\t\\tm_offset -= SCTP_BUF_LEN(m_tmp);\\n\\t\\tm_tmp = SCTP_BUF_NEXT(m_tmp);\\n\\t}\\n\\t/* now use the rest of the mbuf chain for the text */\\n\\twhile (m_tmp != NULL) {\\n\\t\\tif ((SCTP_BUF_NEXT(m_tmp) == NULL) && trailer) {\\n\\t\\t\\tsctp_hmac_update(hmac_algo, &ctx, mtod(m_tmp, uint8_t *) + m_offset,\\n\\t\\t\\t\\t\\t SCTP_BUF_LEN(m_tmp) - (trailer+m_offset));\\n\\t\\t} else {\\n\\t\\t\\tsctp_hmac_update(hmac_algo, &ctx, mtod(m_tmp, uint8_t *) + m_offset,\\n\\t\\t\\t\\t\\t SCTP_BUF_LEN(m_tmp) - m_offset);\\n\\t\\t}\",\n \"\\t\\t/* clear the offset since it's only for the first mbuf */\\n\\t\\tm_offset = 0;\\n\\t\\tm_tmp = SCTP_BUF_NEXT(m_tmp);\\n\\t}\\n\\tsctp_hmac_final(hmac_algo, &ctx, temp);\",\n \"\\t/* perform outer hash */\\n\\tsctp_hmac_init(hmac_algo, &ctx);\\n\\tsctp_hmac_update(hmac_algo, &ctx, opad, blocklen);\\n\\tsctp_hmac_update(hmac_algo, &ctx, temp, digestlen);\\n\\tsctp_hmac_final(hmac_algo, &ctx, digest);\",\n \"\\treturn (digestlen);\\n}\",\n \"/*\\n * computes the requested HMAC using a key struct (which may be modified if\\n * the keylen exceeds the HMAC block len).\\n */\\nuint32_t\\nsctp_compute_hmac(uint16_t hmac_algo, sctp_key_t *key, uint8_t *text,\\n uint32_t textlen, uint8_t *digest)\\n{\\n\\tuint32_t digestlen;\\n\\tuint32_t blocklen;\\n\\tsctp_hash_context_t ctx;\\n\\tuint8_t temp[SCTP_AUTH_DIGEST_LEN_MAX];\",\n \"\\t/* sanity check */\\n\\tif ((key == NULL) || (text == NULL) || (textlen == 0) ||\\n\\t (digest == NULL)) {\\n\\t\\t/* can't do HMAC with empty key or text or digest store */\\n\\t\\treturn (0);\\n\\t}\\n\\t/* validate the hmac algo and get the digest length */\\n\\tdigestlen = sctp_get_hmac_digest_len(hmac_algo);\\n\\tif (digestlen == 0)\\n\\t\\treturn (0);\",\n \"\\t/* hash the key if it is longer than the hash block size */\\n\\tblocklen = sctp_get_hmac_block_len(hmac_algo);\\n\\tif (key->keylen > blocklen) {\\n\\t\\tsctp_hmac_init(hmac_algo, &ctx);\\n\\t\\tsctp_hmac_update(hmac_algo, &ctx, key->key, key->keylen);\\n\\t\\tsctp_hmac_final(hmac_algo, &ctx, temp);\\n\\t\\t/* save the hashed key as the new key */\\n\\t\\tkey->keylen = digestlen;\\n\\t\\tmemcpy(key->key, temp, key->keylen);\\n\\t}\\n\\treturn (sctp_hmac(hmac_algo, key->key, key->keylen, text, textlen,\\n\\t digest));\\n}\",\n \"/* mbuf version */\\nuint32_t\\nsctp_compute_hmac_m(uint16_t hmac_algo, sctp_key_t *key, struct mbuf *m,\\n uint32_t m_offset, uint8_t *digest)\\n{\\n\\tuint32_t digestlen;\\n\\tuint32_t blocklen;\\n\\tsctp_hash_context_t ctx;\\n\\tuint8_t temp[SCTP_AUTH_DIGEST_LEN_MAX];\",\n \"\\t/* sanity check */\\n\\tif ((key == NULL) || (m == NULL) || (digest == NULL)) {\\n\\t\\t/* can't do HMAC with empty key or text or digest store */\\n\\t\\treturn (0);\\n\\t}\\n\\t/* validate the hmac algo and get the digest length */\\n\\tdigestlen = sctp_get_hmac_digest_len(hmac_algo);\\n\\tif (digestlen == 0)\\n\\t\\treturn (0);\",\n \"\\t/* hash the key if it is longer than the hash block size */\\n\\tblocklen = sctp_get_hmac_block_len(hmac_algo);\\n\\tif (key->keylen > blocklen) {\\n\\t\\tsctp_hmac_init(hmac_algo, &ctx);\\n\\t\\tsctp_hmac_update(hmac_algo, &ctx, key->key, key->keylen);\\n\\t\\tsctp_hmac_final(hmac_algo, &ctx, temp);\\n\\t\\t/* save the hashed key as the new key */\\n\\t\\tkey->keylen = digestlen;\\n\\t\\tmemcpy(key->key, temp, key->keylen);\\n\\t}\\n\\treturn (sctp_hmac_m(hmac_algo, key->key, key->keylen, m, m_offset, digest, 0));\\n}\",\n \"int\\nsctp_auth_is_supported_hmac(sctp_hmaclist_t *list, uint16_t id)\\n{\\n\\tint i;\",\n \"\\tif ((list == NULL) || (id == SCTP_AUTH_HMAC_ID_RSVD))\\n\\t\\treturn (0);\",\n \"\\tfor (i = 0; i < list->num_algo; i++)\\n\\t\\tif (list->hmac[i] == id)\\n\\t\\t\\treturn (1);\",\n \"\\t/* not in the list */\\n\\treturn (0);\\n}\",\n \"\\n/*-\\n * clear any cached key(s) if they match the given key id on an association.\\n * the cached key(s) will be recomputed and re-cached at next use.\\n * ASSUMES TCB_LOCK is already held\\n */\\nvoid\\nsctp_clear_cachedkeys(struct sctp_tcb *stcb, uint16_t keyid)\\n{\\n\\tif (stcb == NULL)\\n\\t\\treturn;\",\n \"\\tif (keyid == stcb->asoc.authinfo.assoc_keyid) {\\n\\t\\tsctp_free_key(stcb->asoc.authinfo.assoc_key);\\n\\t\\tstcb->asoc.authinfo.assoc_key = NULL;\\n\\t}\\n\\tif (keyid == stcb->asoc.authinfo.recv_keyid) {\\n\\t\\tsctp_free_key(stcb->asoc.authinfo.recv_key);\\n\\t\\tstcb->asoc.authinfo.recv_key = NULL;\\n\\t}\\n}\",\n \"/*-\\n * clear any cached key(s) if they match the given key id for all assocs on\\n * an endpoint.\\n * ASSUMES INP_WLOCK is already held\\n */\\nvoid\\nsctp_clear_cachedkeys_ep(struct sctp_inpcb *inp, uint16_t keyid)\\n{\\n\\tstruct sctp_tcb *stcb;\",\n \"\\tif (inp == NULL)\\n\\t\\treturn;\",\n \"\\t/* clear the cached keys on all assocs on this instance */\\n\\tLIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {\\n\\t\\tSCTP_TCB_LOCK(stcb);\\n\\t\\tsctp_clear_cachedkeys(stcb, keyid);\\n\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t}\\n}\",\n \"/*-\\n * delete a shared key from an association\\n * ASSUMES TCB_LOCK is already held\\n */\\nint\\nsctp_delete_sharedkey(struct sctp_tcb *stcb, uint16_t keyid)\\n{\\n\\tsctp_sharedkey_t *skey;\",\n \"\\tif (stcb == NULL)\\n\\t\\treturn (-1);\",\n \"\\t/* is the keyid the assoc active sending key */\\n\\tif (keyid == stcb->asoc.authinfo.active_keyid)\\n\\t\\treturn (-1);\",\n \"\\t/* does the key exist? */\\n\\tskey = sctp_find_sharedkey(&stcb->asoc.shared_keys, keyid);\\n\\tif (skey == NULL)\\n\\t\\treturn (-1);\",\n \"\\t/* are there other refcount holders on the key? */\\n\\tif (skey->refcount > 1)\\n\\t\\treturn (-1);\",\n \"\\t/* remove it */\\n\\tLIST_REMOVE(skey, next);\\n\\tsctp_free_sharedkey(skey);\\t/* frees skey->key as well */\",\n \"\\t/* clear any cached keys */\\n\\tsctp_clear_cachedkeys(stcb, keyid);\\n\\treturn (0);\\n}\",\n \"/*-\\n * deletes a shared key from the endpoint\\n * ASSUMES INP_WLOCK is already held\\n */\\nint\\nsctp_delete_sharedkey_ep(struct sctp_inpcb *inp, uint16_t keyid)\\n{\\n\\tsctp_sharedkey_t *skey;\",\n \"\\tif (inp == NULL)\\n\\t\\treturn (-1);\",\n \"\\t/* is the keyid the active sending key on the endpoint */\\n\\tif (keyid == inp->sctp_ep.default_keyid)\\n\\t\\treturn (-1);\",\n \"\\t/* does the key exist? */\\n\\tskey = sctp_find_sharedkey(&inp->sctp_ep.shared_keys, keyid);\\n\\tif (skey == NULL)\\n\\t\\treturn (-1);\",\n \"\\t/* endpoint keys are not refcounted */\",\n \"\\t/* remove it */\\n\\tLIST_REMOVE(skey, next);\\n\\tsctp_free_sharedkey(skey);\\t/* frees skey->key as well */\",\n \"\\t/* clear any cached keys */\\n\\tsctp_clear_cachedkeys_ep(inp, keyid);\\n\\treturn (0);\\n}\",\n \"/*-\\n * set the active key on an association\\n * ASSUMES TCB_LOCK is already held\\n */\\nint\\nsctp_auth_setactivekey(struct sctp_tcb *stcb, uint16_t keyid)\\n{\\n\\tsctp_sharedkey_t *skey = NULL;\",\n \"\\t/* find the key on the assoc */\\n\\tskey = sctp_find_sharedkey(&stcb->asoc.shared_keys, keyid);\\n\\tif (skey == NULL) {\\n\\t\\t/* that key doesn't exist */\\n\\t\\treturn (-1);\\n\\t}\\n\\tif ((skey->deactivated) && (skey->refcount > 1)) {\\n\\t\\t/* can't reactivate a deactivated key with other refcounts */\\n\\t\\treturn (-1);\\n\\t}\",\n \"\\t/* set the (new) active key */\\n\\tstcb->asoc.authinfo.active_keyid = keyid;\\n\\t/* reset the deactivated flag */\\n\\tskey->deactivated = 0;\",\n \"\\treturn (0);\\n}\",\n \"/*-\\n * set the active key on an endpoint\\n * ASSUMES INP_WLOCK is already held\\n */\\nint\\nsctp_auth_setactivekey_ep(struct sctp_inpcb *inp, uint16_t keyid)\\n{\\n\\tsctp_sharedkey_t *skey;\",\n \"\\t/* find the key */\\n\\tskey = sctp_find_sharedkey(&inp->sctp_ep.shared_keys, keyid);\\n\\tif (skey == NULL) {\\n\\t\\t/* that key doesn't exist */\\n\\t\\treturn (-1);\\n\\t}\\n\\tinp->sctp_ep.default_keyid = keyid;\\n\\treturn (0);\\n}\",\n \"/*-\\n * deactivates a shared key from the association\\n * ASSUMES INP_WLOCK is already held\\n */\\nint\\nsctp_deact_sharedkey(struct sctp_tcb *stcb, uint16_t keyid)\\n{\\n\\tsctp_sharedkey_t *skey;\",\n \"\\tif (stcb == NULL)\\n\\t\\treturn (-1);\",\n \"\\t/* is the keyid the assoc active sending key */\\n\\tif (keyid == stcb->asoc.authinfo.active_keyid)\\n\\t\\treturn (-1);\",\n \"\\t/* does the key exist? */\\n\\tskey = sctp_find_sharedkey(&stcb->asoc.shared_keys, keyid);\\n\\tif (skey == NULL)\\n\\t\\treturn (-1);\",\n \"\\t/* are there other refcount holders on the key? */\\n\\tif (skey->refcount == 1) {\\n\\t\\t/* no other users, send a notification for this key */\\n\\t\\tsctp_ulp_notify(SCTP_NOTIFY_AUTH_FREE_KEY, stcb, keyid, 0,\\n\\t\\t\\t\\tSCTP_SO_LOCKED);\\n\\t}\",\n \"\\t/* mark the key as deactivated */\\n\\tskey->deactivated = 1;\",\n \"\\treturn (0);\\n}\",\n \"/*-\\n * deactivates a shared key from the endpoint\\n * ASSUMES INP_WLOCK is already held\\n */\\nint\\nsctp_deact_sharedkey_ep(struct sctp_inpcb *inp, uint16_t keyid)\\n{\\n\\tsctp_sharedkey_t *skey;\",\n \"\\tif (inp == NULL)\\n\\t\\treturn (-1);\",\n \"\\t/* is the keyid the active sending key on the endpoint */\\n\\tif (keyid == inp->sctp_ep.default_keyid)\\n\\t\\treturn (-1);\",\n \"\\t/* does the key exist? */\\n\\tskey = sctp_find_sharedkey(&inp->sctp_ep.shared_keys, keyid);\\n\\tif (skey == NULL)\\n\\t\\treturn (-1);\",\n \"\\t/* endpoint keys are not refcounted */\",\n \"\\t/* remove it */\\n\\tLIST_REMOVE(skey, next);\\n\\tsctp_free_sharedkey(skey);\\t/* frees skey->key as well */\",\n \"\\treturn (0);\\n}\",\n \"/*\\n * get local authentication parameters from cookie (from INIT-ACK)\\n */\\nvoid\\nsctp_auth_get_cookie_params(struct sctp_tcb *stcb, struct mbuf *m,\\n uint32_t offset, uint32_t length)\\n{\\n\\tstruct sctp_paramhdr *phdr, tmp_param;\\n\\tuint16_t plen, ptype;\\n\\tuint8_t random_store[SCTP_PARAM_BUFFER_SIZE];\\n\\tstruct sctp_auth_random *p_random = NULL;\\n\\tuint16_t random_len = 0;\\n\\tuint8_t hmacs_store[SCTP_PARAM_BUFFER_SIZE];\\n\\tstruct sctp_auth_hmac_algo *hmacs = NULL;\\n\\tuint16_t hmacs_len = 0;\\n\\tuint8_t chunks_store[SCTP_PARAM_BUFFER_SIZE];\\n\\tstruct sctp_auth_chunk_list *chunks = NULL;\\n\\tuint16_t num_chunks = 0;\\n\\tsctp_key_t *new_key;\\n\\tuint32_t keylen;\",\n \"\\t/* convert to upper bound */\\n\\tlength += offset;\",\n \"\\tphdr = (struct sctp_paramhdr *)sctp_m_getptr(m, offset,\\n\\t sizeof(struct sctp_paramhdr), (uint8_t *)&tmp_param);\\n\\twhile (phdr != NULL) {\\n\\t\\tptype = ntohs(phdr->param_type);\\n\\t\\tplen = ntohs(phdr->param_length);\\n\",\n \"\\t\\tif ((plen == 0) || (offset + plen > length))\",\n \"\\t\\t\\tbreak;\",\n \"\\t\\tif (ptype == SCTP_RANDOM) {\\n\\t\\t\\tif (plen > sizeof(random_store))\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\tphdr = sctp_get_next_param(m, offset,\\n\\t\\t\\t (struct sctp_paramhdr *)random_store, plen);\\n\\t\\t\\tif (phdr == NULL)\\n\\t\\t\\t\\treturn;\\n\\t\\t\\t/* save the random and length for the key */\\n\\t\\t\\tp_random = (struct sctp_auth_random *)phdr;\\n\\t\\t\\trandom_len = plen - sizeof(*p_random);\\n\\t\\t} else if (ptype == SCTP_HMAC_LIST) {\\n\\t\\t\\tuint16_t num_hmacs;\\n\\t\\t\\tuint16_t i;\",\n \"\\t\\t\\tif (plen > sizeof(hmacs_store))\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\tphdr = sctp_get_next_param(m, offset,\\n\\t\\t\\t (struct sctp_paramhdr *)hmacs_store, plen);\\n\\t\\t\\tif (phdr == NULL)\\n\\t\\t\\t\\treturn;\\n\\t\\t\\t/* save the hmacs list and num for the key */\\n\\t\\t\\thmacs = (struct sctp_auth_hmac_algo *)phdr;\\n\\t\\t\\thmacs_len = plen - sizeof(*hmacs);\\n\\t\\t\\tnum_hmacs = hmacs_len / sizeof(hmacs->hmac_ids[0]);\\n\\t\\t\\tif (stcb->asoc.local_hmacs != NULL)\\n\\t\\t\\t\\tsctp_free_hmaclist(stcb->asoc.local_hmacs);\\n\\t\\t\\tstcb->asoc.local_hmacs = sctp_alloc_hmaclist(num_hmacs);\\n\\t\\t\\tif (stcb->asoc.local_hmacs != NULL) {\\n\\t\\t\\t\\tfor (i = 0; i < num_hmacs; i++) {\\n\\t\\t\\t\\t\\t(void)sctp_auth_add_hmacid(stcb->asoc.local_hmacs,\\n\\t\\t\\t\\t\\t ntohs(hmacs->hmac_ids[i]));\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t} else if (ptype == SCTP_CHUNK_LIST) {\\n\\t\\t\\tint i;\",\n \"\\t\\t\\tif (plen > sizeof(chunks_store))\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\tphdr = sctp_get_next_param(m, offset,\\n\\t\\t\\t (struct sctp_paramhdr *)chunks_store, plen);\\n\\t\\t\\tif (phdr == NULL)\\n\\t\\t\\t\\treturn;\\n\\t\\t\\tchunks = (struct sctp_auth_chunk_list *)phdr;\\n\\t\\t\\tnum_chunks = plen - sizeof(*chunks);\\n\\t\\t\\t/* save chunks list and num for the key */\\n\\t\\t\\tif (stcb->asoc.local_auth_chunks != NULL)\\n\\t\\t\\t\\tsctp_clear_chunklist(stcb->asoc.local_auth_chunks);\\n\\t\\t\\telse\\n\\t\\t\\t\\tstcb->asoc.local_auth_chunks = sctp_alloc_chunklist();\\n\\t\\t\\tfor (i = 0; i < num_chunks; i++) {\\n\\t\\t\\t\\t(void)sctp_auth_add_chunk(chunks->chunk_types[i],\\n\\t\\t\\t\\t stcb->asoc.local_auth_chunks);\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\t/* get next parameter */\\n\\t\\toffset += SCTP_SIZE32(plen);\\n\\t\\tif (offset + sizeof(struct sctp_paramhdr) > length)\\n\\t\\t\\tbreak;\\n\\t\\tphdr = (struct sctp_paramhdr *)sctp_m_getptr(m, offset, sizeof(struct sctp_paramhdr),\\n\\t\\t (uint8_t *)&tmp_param);\\n\\t}\\n\\t/* concatenate the full random key */\\n\\tkeylen = sizeof(*p_random) + random_len + sizeof(*hmacs) + hmacs_len;\\n\\tif (chunks != NULL) {\\n\\t\\tkeylen += sizeof(*chunks) + num_chunks;\\n\\t}\\n\\tnew_key = sctp_alloc_key(keylen);\\n\\tif (new_key != NULL) {\\n\\t\\t/* copy in the RANDOM */\\n\\t\\tif (p_random != NULL) {\\n\\t\\t\\tkeylen = sizeof(*p_random) + random_len;\\n\\t\\t\\tmemcpy(new_key->key, p_random, keylen);\\n\\t\\t} else {\\n\\t\\t\\tkeylen = 0;\\n\\t\\t}\\n\\t\\t/* append in the AUTH chunks */\\n\\t\\tif (chunks != NULL) {\\n\\t\\t\\tmemcpy(new_key->key + keylen, chunks,\\n\\t\\t\\t sizeof(*chunks) + num_chunks);\\n\\t\\t\\tkeylen += sizeof(*chunks) + num_chunks;\\n\\t\\t}\\n\\t\\t/* append in the HMACs */\\n\\t\\tif (hmacs != NULL) {\\n\\t\\t\\tmemcpy(new_key->key + keylen, hmacs,\\n\\t\\t\\t sizeof(*hmacs) + hmacs_len);\\n\\t\\t}\\n\\t}\\n\\tif (stcb->asoc.authinfo.random != NULL)\\n\\t\\tsctp_free_key(stcb->asoc.authinfo.random);\\n\\tstcb->asoc.authinfo.random = new_key;\\n\\tstcb->asoc.authinfo.random_len = random_len;\\n\\tsctp_clear_cachedkeys(stcb, stcb->asoc.authinfo.assoc_keyid);\\n\\tsctp_clear_cachedkeys(stcb, stcb->asoc.authinfo.recv_keyid);\",\n \"\\t/* negotiate what HMAC to use for the peer */\\n\\tstcb->asoc.peer_hmac_id = sctp_negotiate_hmacid(stcb->asoc.peer_hmacs,\\n\\t stcb->asoc.local_hmacs);\",\n \"\\t/* copy defaults from the endpoint */\\n\\t/* FIX ME: put in cookie? */\\n\\tstcb->asoc.authinfo.active_keyid = stcb->sctp_ep->sctp_ep.default_keyid;\\n\\t/* copy out the shared key list (by reference) from the endpoint */\\n\\t(void)sctp_copy_skeylist(&stcb->sctp_ep->sctp_ep.shared_keys,\\n\\t\\t\\t\\t &stcb->asoc.shared_keys);\\n}\",\n \"/*\\n * compute and fill in the HMAC digest for a packet\\n */\\nvoid\\nsctp_fill_hmac_digest_m(struct mbuf *m, uint32_t auth_offset,\\n struct sctp_auth_chunk *auth, struct sctp_tcb *stcb, uint16_t keyid)\\n{\\n\\tuint32_t digestlen;\\n\\tsctp_sharedkey_t *skey;\\n\\tsctp_key_t *key;\",\n \"\\tif ((stcb == NULL) || (auth == NULL))\\n\\t\\treturn;\",\n \"\\t/* zero the digest + chunk padding */\\n\\tdigestlen = sctp_get_hmac_digest_len(stcb->asoc.peer_hmac_id);\\n\\tmemset(auth->hmac, 0, SCTP_SIZE32(digestlen));\",\n \"\\t/* is the desired key cached? */\\n\\tif ((keyid != stcb->asoc.authinfo.assoc_keyid) ||\\n\\t (stcb->asoc.authinfo.assoc_key == NULL)) {\\n\\t\\tif (stcb->asoc.authinfo.assoc_key != NULL) {\\n\\t\\t\\t/* free the old cached key */\\n\\t\\t\\tsctp_free_key(stcb->asoc.authinfo.assoc_key);\\n\\t\\t}\\n\\t\\tskey = sctp_find_sharedkey(&stcb->asoc.shared_keys, keyid);\\n\\t\\t/* the only way skey is NULL is if null key id 0 is used */\\n\\t\\tif (skey != NULL)\\n\\t\\t\\tkey = skey->key;\\n\\t\\telse\\n\\t\\t\\tkey = NULL;\\n\\t\\t/* compute a new assoc key and cache it */\\n\\t\\tstcb->asoc.authinfo.assoc_key =\\n\\t\\t sctp_compute_hashkey(stcb->asoc.authinfo.random,\\n\\t\\t\\t\\t\\t stcb->asoc.authinfo.peer_random, key);\\n\\t\\tstcb->asoc.authinfo.assoc_keyid = keyid;\\n\\t\\tSCTPDBG(SCTP_DEBUG_AUTH1, \\\"caching key id %u\\\\n\\\",\\n\\t\\t\\tstcb->asoc.authinfo.assoc_keyid);\\n#ifdef SCTP_DEBUG\\n\\t\\tif (SCTP_AUTH_DEBUG)\\n\\t\\t\\tsctp_print_key(stcb->asoc.authinfo.assoc_key,\\n\\t\\t\\t\\t \\\"Assoc Key\\\");\\n#endif\\n\\t}\",\n \"\\t/* set in the active key id */\\n\\tauth->shared_key_id = htons(keyid);\",\n \"\\t/* compute and fill in the digest */\\n\\t(void)sctp_compute_hmac_m(stcb->asoc.peer_hmac_id, stcb->asoc.authinfo.assoc_key,\\n\\t\\t\\t\\t m, auth_offset, auth->hmac);\\n}\",\n \"\\nstatic void\\nsctp_zero_m(struct mbuf *m, uint32_t m_offset, uint32_t size)\\n{\\n\\tstruct mbuf *m_tmp;\\n\\tuint8_t *data;\",\n \"\\t/* sanity check */\\n\\tif (m == NULL)\\n\\t\\treturn;\",\n \"\\t/* find the correct starting mbuf and offset (get start position) */\\n\\tm_tmp = m;\\n\\twhile ((m_tmp != NULL) && (m_offset >= (uint32_t) SCTP_BUF_LEN(m_tmp))) {\\n\\t\\tm_offset -= SCTP_BUF_LEN(m_tmp);\\n\\t\\tm_tmp = SCTP_BUF_NEXT(m_tmp);\\n\\t}\\n\\t/* now use the rest of the mbuf chain */\\n\\twhile ((m_tmp != NULL) && (size > 0)) {\\n\\t\\tdata = mtod(m_tmp, uint8_t *) + m_offset;\\n\\t\\tif (size > (uint32_t)(SCTP_BUF_LEN(m_tmp) - m_offset)) {\\n\\t\\t\\tmemset(data, 0, SCTP_BUF_LEN(m_tmp) - m_offset);\\n\\t\\t\\tsize -= SCTP_BUF_LEN(m_tmp) - m_offset;\\n\\t\\t} else {\\n\\t\\t\\tmemset(data, 0, size);\\n\\t\\t\\tsize = 0;\\n\\t\\t}\\n\\t\\t/* clear the offset since it's only for the first mbuf */\\n\\t\\tm_offset = 0;\\n\\t\\tm_tmp = SCTP_BUF_NEXT(m_tmp);\\n\\t}\\n}\",\n \"/*-\\n * process the incoming Authentication chunk\\n * return codes:\\n * -1 on any authentication error\\n * 0 on authentication verification\\n */\\nint\\nsctp_handle_auth(struct sctp_tcb *stcb, struct sctp_auth_chunk *auth,\\n struct mbuf *m, uint32_t offset)\\n{\\n\\tuint16_t chunklen;\\n\\tuint16_t shared_key_id;\\n\\tuint16_t hmac_id;\\n\\tsctp_sharedkey_t *skey;\\n\\tuint32_t digestlen;\\n\\tuint8_t digest[SCTP_AUTH_DIGEST_LEN_MAX];\\n\\tuint8_t computed_digest[SCTP_AUTH_DIGEST_LEN_MAX];\",\n \"\\t/* auth is checked for NULL by caller */\\n\\tchunklen = ntohs(auth->ch.chunk_length);\\n\\tif (chunklen < sizeof(*auth)) {\\n\\t\\tSCTP_STAT_INCR(sctps_recvauthfailed);\\n\\t\\treturn (-1);\\n\\t}\\n\\tSCTP_STAT_INCR(sctps_recvauth);\",\n \"\\t/* get the auth params */\\n\\tshared_key_id = ntohs(auth->shared_key_id);\\n\\thmac_id = ntohs(auth->hmac_id);\\n\\tSCTPDBG(SCTP_DEBUG_AUTH1,\\n\\t\\t\\\"SCTP AUTH Chunk: shared key %u, HMAC id %u\\\\n\\\",\\n\\t\\tshared_key_id, hmac_id);\",\n \"\\t/* is the indicated HMAC supported? */\\n\\tif (!sctp_auth_is_supported_hmac(stcb->asoc.local_hmacs, hmac_id)) {\\n\\t\\tstruct mbuf *op_err;\\n\\t\\tstruct sctp_error_auth_invalid_hmac *cause;\",\n \"\\t\\tSCTP_STAT_INCR(sctps_recvivalhmacid);\\n\\t\\tSCTPDBG(SCTP_DEBUG_AUTH1,\\n\\t\\t\\t\\\"SCTP Auth: unsupported HMAC id %u\\\\n\\\",\\n\\t\\t\\thmac_id);\\n\\t\\t/*\\n\\t\\t * report this in an Error Chunk: Unsupported HMAC\\n\\t\\t * Identifier\\n\\t\\t */\\n\\t\\top_err = sctp_get_mbuf_for_msg(sizeof(struct sctp_error_auth_invalid_hmac),\\n\\t\\t 0, M_NOWAIT, 1, MT_HEADER);\\n\\t\\tif (op_err != NULL) {\\n\\t\\t\\t/* pre-reserve some space */\\n\\t\\t\\tSCTP_BUF_RESV_UF(op_err, sizeof(struct sctp_chunkhdr));\\n\\t\\t\\t/* fill in the error */\\n\\t\\t\\tcause = mtod(op_err, struct sctp_error_auth_invalid_hmac *);\\n\\t\\t\\tcause->cause.code = htons(SCTP_CAUSE_UNSUPPORTED_HMACID);\\n\\t\\t\\tcause->cause.length = htons(sizeof(struct sctp_error_auth_invalid_hmac));\\n\\t\\t\\tcause->hmac_id = ntohs(hmac_id);\\n\\t\\t\\tSCTP_BUF_LEN(op_err) = sizeof(struct sctp_error_auth_invalid_hmac);\\n\\t\\t\\t/* queue it */\\n\\t\\t\\tsctp_queue_op_err(stcb, op_err);\\n\\t\\t}\\n\\t\\treturn (-1);\\n\\t}\\n\\t/* get the indicated shared key, if available */\\n\\tif ((stcb->asoc.authinfo.recv_key == NULL) ||\\n\\t (stcb->asoc.authinfo.recv_keyid != shared_key_id)) {\\n\\t\\t/* find the shared key on the assoc first */\\n\\t\\tskey = sctp_find_sharedkey(&stcb->asoc.shared_keys,\\n\\t\\t\\t\\t\\t shared_key_id);\\n\\t\\t/* if the shared key isn't found, discard the chunk */\\n\\t\\tif (skey == NULL) {\\n\\t\\t\\tSCTP_STAT_INCR(sctps_recvivalkeyid);\\n\\t\\t\\tSCTPDBG(SCTP_DEBUG_AUTH1,\\n\\t\\t\\t\\t\\\"SCTP Auth: unknown key id %u\\\\n\\\",\\n\\t\\t\\t\\tshared_key_id);\\n\\t\\t\\treturn (-1);\\n\\t\\t}\\n\\t\\t/* generate a notification if this is a new key id */\\n\\t\\tif (stcb->asoc.authinfo.recv_keyid != shared_key_id)\\n\\t\\t\\t/*\\n\\t\\t\\t * sctp_ulp_notify(SCTP_NOTIFY_AUTH_NEW_KEY, stcb,\\n\\t\\t\\t * shared_key_id, (void\\n\\t\\t\\t * *)stcb->asoc.authinfo.recv_keyid);\\n\\t\\t\\t */\\n\\t\\t\\tsctp_notify_authentication(stcb, SCTP_AUTH_NEW_KEY,\\n\\t\\t\\t shared_key_id, stcb->asoc.authinfo.recv_keyid,\\n\\t\\t\\t SCTP_SO_NOT_LOCKED);\\n\\t\\t/* compute a new recv assoc key and cache it */\\n\\t\\tif (stcb->asoc.authinfo.recv_key != NULL)\\n\\t\\t\\tsctp_free_key(stcb->asoc.authinfo.recv_key);\\n\\t\\tstcb->asoc.authinfo.recv_key =\\n\\t\\t sctp_compute_hashkey(stcb->asoc.authinfo.random,\\n\\t\\t stcb->asoc.authinfo.peer_random, skey->key);\\n\\t\\tstcb->asoc.authinfo.recv_keyid = shared_key_id;\\n#ifdef SCTP_DEBUG\\n\\t\\tif (SCTP_AUTH_DEBUG)\\n\\t\\t\\tsctp_print_key(stcb->asoc.authinfo.recv_key, \\\"Recv Key\\\");\\n#endif\\n\\t}\\n\\t/* validate the digest length */\\n\\tdigestlen = sctp_get_hmac_digest_len(hmac_id);\\n\\tif (chunklen < (sizeof(*auth) + digestlen)) {\\n\\t\\t/* invalid digest length */\\n\\t\\tSCTP_STAT_INCR(sctps_recvauthfailed);\\n\\t\\tSCTPDBG(SCTP_DEBUG_AUTH1,\\n\\t\\t\\t\\\"SCTP Auth: chunk too short for HMAC\\\\n\\\");\\n\\t\\treturn (-1);\\n\\t}\\n\\t/* save a copy of the digest, zero the pseudo header, and validate */\\n\\tmemcpy(digest, auth->hmac, digestlen);\\n\\tsctp_zero_m(m, offset + sizeof(*auth), SCTP_SIZE32(digestlen));\\n\\t(void)sctp_compute_hmac_m(hmac_id, stcb->asoc.authinfo.recv_key,\\n\\t m, offset, computed_digest);\",\n \"#if defined(__Userspace__)\\n#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION\\n\\treturn (0);\\n#endif\\n#endif\\n\\t/* compare the computed digest with the one in the AUTH chunk */\\n\\tif (timingsafe_bcmp(digest, computed_digest, digestlen) != 0) {\\n\\t\\tSCTP_STAT_INCR(sctps_recvauthfailed);\\n\\t\\tSCTPDBG(SCTP_DEBUG_AUTH1,\\n\\t\\t\\t\\\"SCTP Auth: HMAC digest check failed\\\\n\\\");\\n\\t\\treturn (-1);\\n\\t}\\n\\treturn (0);\\n}\",\n \"/*\\n * Generate NOTIFICATION\\n */\\nvoid\\nsctp_notify_authentication(struct sctp_tcb *stcb, uint32_t indication,\\n\\t\\t\\t uint16_t keyid, uint16_t alt_keyid, int so_locked\\n#if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING)\\n\\tSCTP_UNUSED\\n#endif\\n)\\n{\\n\\tstruct mbuf *m_notify;\\n\\tstruct sctp_authkey_event *auth;\\n\\tstruct sctp_queued_to_read *control;\",\n \"\\tif ((stcb == NULL) ||\\n\\t (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) ||\\n\\t (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||\\n\\t (stcb->asoc.state & SCTP_STATE_CLOSED_SOCKET)\\n\\t\\t) {\\n\\t\\t/* If the socket is gone we are out of here */\\n\\t\\treturn;\\n\\t}\",\n \"\\tif (sctp_stcb_is_feature_off(stcb->sctp_ep, stcb, SCTP_PCB_FLAGS_AUTHEVNT))\\n\\t\\t/* event not enabled */\\n\\t\\treturn;\",\n \"\\tm_notify = sctp_get_mbuf_for_msg(sizeof(struct sctp_authkey_event),\\n\\t\\t\\t\\t\\t 0, M_NOWAIT, 1, MT_HEADER);\\n\\tif (m_notify == NULL)\\n\\t\\t/* no space left */\\n\\t\\treturn;\",\n \"\\tSCTP_BUF_LEN(m_notify) = 0;\\n\\tauth = mtod(m_notify, struct sctp_authkey_event *);\\n\\tmemset(auth, 0, sizeof(struct sctp_authkey_event));\\n\\tauth->auth_type = SCTP_AUTHENTICATION_EVENT;\\n\\tauth->auth_flags = 0;\\n\\tauth->auth_length = sizeof(*auth);\\n\\tauth->auth_keynumber = keyid;\\n\\tauth->auth_altkeynumber = alt_keyid;\\n\\tauth->auth_indication = indication;\\n\\tauth->auth_assoc_id = sctp_get_associd(stcb);\",\n \"\\tSCTP_BUF_LEN(m_notify) = sizeof(*auth);\\n\\tSCTP_BUF_NEXT(m_notify) = NULL;\",\n \"\\t/* append to socket */\\n\\tcontrol = sctp_build_readq_entry(stcb, stcb->asoc.primary_destination,\\n\\t 0, 0, stcb->asoc.context, 0, 0, 0, m_notify);\\n\\tif (control == NULL) {\\n\\t\\t/* no memory */\\n\\t\\tsctp_m_freem(m_notify);\\n\\t\\treturn;\\n\\t}\\n\\tcontrol->length = SCTP_BUF_LEN(m_notify);\\n\\tcontrol->spec_flags = M_NOTIFICATION;\\n\\t/* not that we need this */\\n\\tcontrol->tail_mbuf = m_notify;\\n\\tsctp_add_to_readq(stcb->sctp_ep, stcb, control,\\n\\t &stcb->sctp_socket->so_rcv, 1, SCTP_READ_LOCK_NOT_HELD, so_locked);\\n}\",\n \"\\n/*-\\n * validates the AUTHentication related parameters in an INIT/INIT-ACK\\n * Note: currently only used for INIT as INIT-ACK is handled inline\\n * with sctp_load_addresses_from_init()\\n */\\nint\\nsctp_validate_init_auth_params(struct mbuf *m, int offset, int limit)\\n{\\n\\tstruct sctp_paramhdr *phdr, param_buf;\\n\\tuint16_t ptype, plen;\\n\\tint peer_supports_asconf = 0;\\n\\tint peer_supports_auth = 0;\\n\\tint got_random = 0, got_hmacs = 0, got_chklist = 0;\\n\\tuint8_t saw_asconf = 0;\\n\\tuint8_t saw_asconf_ack = 0;\",\n \"\\t/* go through each of the params. */\\n\\tphdr = sctp_get_next_param(m, offset, ¶m_buf, sizeof(param_buf));\\n\\twhile (phdr) {\\n\\t\\tptype = ntohs(phdr->param_type);\\n\\t\\tplen = ntohs(phdr->param_length);\",\n \"\\t\\tif (offset + plen > limit) {\\n\\t\\t\\tbreak;\\n\\t\\t}\\n\\t\\tif (plen < sizeof(struct sctp_paramhdr)) {\\n\\t\\t\\tbreak;\\n\\t\\t}\\n\\t\\tif (ptype == SCTP_SUPPORTED_CHUNK_EXT) {\\n\\t\\t\\t/* A supported extension chunk */\\n\\t\\t\\tstruct sctp_supported_chunk_types_param *pr_supported;\\n\\t\\t\\tuint8_t local_store[SCTP_SMALL_CHUNK_STORE];\\n\\t\\t\\tint num_ent, i;\",\n \"\\t\\t\\tif (plen > sizeof(local_store)) {\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n\\t\\t\\tphdr = sctp_get_next_param(m, offset,\\n\\t\\t\\t (struct sctp_paramhdr *)&local_store,\\n\\t\\t\\t plen);\\n\\t\\t\\tif (phdr == NULL) {\\n\\t\\t\\t\\treturn (-1);\\n\\t\\t\\t}\\n\\t\\t\\tpr_supported = (struct sctp_supported_chunk_types_param *)phdr;\\n\\t\\t\\tnum_ent = plen - sizeof(struct sctp_paramhdr);\\n\\t\\t\\tfor (i = 0; i < num_ent; i++) {\\n\\t\\t\\t\\tswitch (pr_supported->chunk_types[i]) {\\n\\t\\t\\t\\tcase SCTP_ASCONF:\\n\\t\\t\\t\\tcase SCTP_ASCONF_ACK:\\n\\t\\t\\t\\t\\tpeer_supports_asconf = 1;\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\tdefault:\\n\\t\\t\\t\\t\\t/* one we don't care about */\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t} else if (ptype == SCTP_RANDOM) {\\n\\t\\t\\t/* enforce the random length */\\n\\t\\t\\tif (plen != (sizeof(struct sctp_auth_random) +\\n\\t\\t\\t\\t SCTP_AUTH_RANDOM_SIZE_REQUIRED)) {\\n\\t\\t\\t\\tSCTPDBG(SCTP_DEBUG_AUTH1,\\n\\t\\t\\t\\t\\t\\\"SCTP: invalid RANDOM len\\\\n\\\");\\n\\t\\t\\t\\treturn (-1);\\n\\t\\t\\t}\\n\\t\\t\\tgot_random = 1;\\n\\t\\t} else if (ptype == SCTP_HMAC_LIST) {\\n\\t\\t\\tstruct sctp_auth_hmac_algo *hmacs;\\n\\t\\t\\tuint8_t store[SCTP_PARAM_BUFFER_SIZE];\\n\\t\\t\\tint num_hmacs;\",\n \"\\t\\t\\tif (plen > sizeof(store)) {\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n\\t\\t\\tphdr = sctp_get_next_param(m, offset,\\n\\t\\t\\t (struct sctp_paramhdr *)store,\\n\\t\\t\\t plen);\\n\\t\\t\\tif (phdr == NULL) {\\n\\t\\t\\t\\treturn (-1);\\n\\t\\t\\t}\\n\\t\\t\\thmacs = (struct sctp_auth_hmac_algo *)phdr;\\n\\t\\t\\tnum_hmacs = (plen - sizeof(*hmacs)) / sizeof(hmacs->hmac_ids[0]);\\n\\t\\t\\t/* validate the hmac list */\\n\\t\\t\\tif (sctp_verify_hmac_param(hmacs, num_hmacs)) {\\n\\t\\t\\t\\tSCTPDBG(SCTP_DEBUG_AUTH1,\\n\\t\\t\\t\\t\\t\\\"SCTP: invalid HMAC param\\\\n\\\");\\n\\t\\t\\t\\treturn (-1);\\n\\t\\t\\t}\\n\\t\\t\\tgot_hmacs = 1;\\n\\t\\t} else if (ptype == SCTP_CHUNK_LIST) {\\n\\t\\t\\tstruct sctp_auth_chunk_list *chunks;\\n\\t\\t\\tuint8_t chunks_store[SCTP_SMALL_CHUNK_STORE];\\n\\t\\t\\tint i, num_chunks;\",\n \"\\t\\t\\tif (plen > sizeof(chunks_store)) {\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n\\t\\t\\tphdr = sctp_get_next_param(m, offset,\\n\\t\\t\\t\\t\\t\\t (struct sctp_paramhdr *)chunks_store,\\n\\t\\t\\t\\t\\t\\t plen);\\n\\t\\t\\tif (phdr == NULL) {\\n\\t\\t\\t\\treturn (-1);\\n\\t\\t\\t}\\n\\t\\t\\t/*-\\n\\t\\t\\t * Flip through the list and mark that the\\n\\t\\t\\t * peer supports asconf/asconf_ack.\\n\\t\\t\\t */\\n\\t\\t\\tchunks = (struct sctp_auth_chunk_list *)phdr;\\n\\t\\t\\tnum_chunks = plen - sizeof(*chunks);\\n\\t\\t\\tfor (i = 0; i < num_chunks; i++) {\\n\\t\\t\\t\\t/* record asconf/asconf-ack if listed */\\n\\t\\t\\t\\tif (chunks->chunk_types[i] == SCTP_ASCONF)\\n\\t\\t\\t\\t\\tsaw_asconf = 1;\\n\\t\\t\\t\\tif (chunks->chunk_types[i] == SCTP_ASCONF_ACK)\\n\\t\\t\\t\\t\\tsaw_asconf_ack = 1;\",\n \"\\t\\t\\t}\\n\\t\\t\\tif (num_chunks)\\n\\t\\t\\t\\tgot_chklist = 1;\\n\\t\\t}\",\n \"\\t\\toffset += SCTP_SIZE32(plen);\\n\\t\\tif (offset >= limit) {\\n\\t\\t\\tbreak;\\n\\t\\t}\\n\\t\\tphdr = sctp_get_next_param(m, offset, ¶m_buf,\\n\\t\\t sizeof(param_buf));\\n\\t}\\n\\t/* validate authentication required parameters */\\n\\tif (got_random && got_hmacs) {\\n\\t\\tpeer_supports_auth = 1;\\n\\t} else {\\n\\t\\tpeer_supports_auth = 0;\\n\\t}\\n\\tif (!peer_supports_auth && got_chklist) {\\n\\t\\tSCTPDBG(SCTP_DEBUG_AUTH1,\\n\\t\\t\\t\\\"SCTP: peer sent chunk list w/o AUTH\\\\n\\\");\\n\\t\\treturn (-1);\\n\\t}\\n\\tif (peer_supports_asconf && !peer_supports_auth) {\\n\\t\\tSCTPDBG(SCTP_DEBUG_AUTH1,\\n\\t\\t\\t\\\"SCTP: peer supports ASCONF but not AUTH\\\\n\\\");\\n\\t\\treturn (-1);\\n\\t} else if ((peer_supports_asconf) && (peer_supports_auth) &&\\n\\t\\t ((saw_asconf == 0) || (saw_asconf_ack == 0))) {\\n\\t\\treturn (-2);\\n\\t}\\n\\treturn (0);\\n}\",\n \"void\\nsctp_initialize_auth_params(struct sctp_inpcb *inp, struct sctp_tcb *stcb)\\n{\\n\\tuint16_t chunks_len = 0;\\n\\tuint16_t hmacs_len = 0;\\n\\tuint16_t random_len = SCTP_AUTH_RANDOM_SIZE_DEFAULT;\\n\\tsctp_key_t *new_key;\\n\\tuint16_t keylen;\",\n \"\\t/* initialize hmac list from endpoint */\\n\\tstcb->asoc.local_hmacs = sctp_copy_hmaclist(inp->sctp_ep.local_hmacs);\\n\\tif (stcb->asoc.local_hmacs != NULL) {\\n\\t\\thmacs_len = stcb->asoc.local_hmacs->num_algo *\\n\\t\\t sizeof(stcb->asoc.local_hmacs->hmac[0]);\\n\\t}\\n\\t/* initialize auth chunks list from endpoint */\\n\\tstcb->asoc.local_auth_chunks =\\n\\t sctp_copy_chunklist(inp->sctp_ep.local_auth_chunks);\\n\\tif (stcb->asoc.local_auth_chunks != NULL) {\\n\\t\\tint i;\\n\\t\\tfor (i = 0; i < 256; i++) {\\n\\t\\t\\tif (stcb->asoc.local_auth_chunks->chunks[i])\\n\\t\\t\\t\\tchunks_len++;\\n\\t\\t}\\n\\t}\\n\\t/* copy defaults from the endpoint */\\n\\tstcb->asoc.authinfo.active_keyid = inp->sctp_ep.default_keyid;\",\n \"\\t/* copy out the shared key list (by reference) from the endpoint */\\n\\t(void)sctp_copy_skeylist(&inp->sctp_ep.shared_keys,\\n\\t\\t\\t\\t &stcb->asoc.shared_keys);\",\n \"\\t/* now set the concatenated key (random + chunks + hmacs) */\\n\\t/* key includes parameter headers */\\n\\tkeylen = (3 * sizeof(struct sctp_paramhdr)) + random_len + chunks_len +\\n\\t hmacs_len;\\n\\tnew_key = sctp_alloc_key(keylen);\\n\\tif (new_key != NULL) {\\n\\t\\tstruct sctp_paramhdr *ph;\\n\\t\\tint plen;\\n\\t\\t/* generate and copy in the RANDOM */\\n\\t\\tph = (struct sctp_paramhdr *)new_key->key;\\n\\t\\tph->param_type = htons(SCTP_RANDOM);\\n\\t\\tplen = sizeof(*ph) + random_len;\\n\\t\\tph->param_length = htons(plen);\\n\\t\\tSCTP_READ_RANDOM(new_key->key + sizeof(*ph), random_len);\\n\\t\\tkeylen = plen;\",\n \"\\t\\t/* append in the AUTH chunks */\\n\\t\\t/* NOTE: currently we always have chunks to list */\\n\\t\\tph = (struct sctp_paramhdr *)(new_key->key + keylen);\\n\\t\\tph->param_type = htons(SCTP_CHUNK_LIST);\\n\\t\\tplen = sizeof(*ph) + chunks_len;\\n\\t\\tph->param_length = htons(plen);\\n\\t\\tkeylen += sizeof(*ph);\\n\\t\\tif (stcb->asoc.local_auth_chunks) {\\n\\t\\t\\tint i;\\n\\t\\t\\tfor (i = 0; i < 256; i++) {\\n\\t\\t\\t\\tif (stcb->asoc.local_auth_chunks->chunks[i])\\n\\t\\t\\t\\t\\tnew_key->key[keylen++] = i;\\n\\t\\t\\t}\\n\\t\\t}\",\n \"\\t\\t/* append in the HMACs */\\n\\t\\tph = (struct sctp_paramhdr *)(new_key->key + keylen);\\n\\t\\tph->param_type = htons(SCTP_HMAC_LIST);\\n\\t\\tplen = sizeof(*ph) + hmacs_len;\\n\\t\\tph->param_length = htons(plen);\\n\\t\\tkeylen += sizeof(*ph);\\n\\t\\t(void)sctp_serialize_hmaclist(stcb->asoc.local_hmacs,\\n\\t\\t\\t\\t\\tnew_key->key + keylen);\\n\\t}\\n\\tif (stcb->asoc.authinfo.random != NULL)\\n\\t sctp_free_key(stcb->asoc.authinfo.random);\\n\\tstcb->asoc.authinfo.random = new_key;\\n\\tstcb->asoc.authinfo.random_len = random_len;\\n}\",\n \"\\n#ifdef SCTP_HMAC_TEST\\n/*\\n * HMAC and key concatenation tests\\n */\\nstatic void\\nsctp_print_digest(uint8_t *digest, uint32_t digestlen, const char *str)\\n{\\n\\tuint32_t i;\",\n \"\\tSCTP_PRINTF(\\\"\\\\n%s: 0x\\\", str);\\n\\tif (digest == NULL)\\n\\t\\treturn;\",\n \"\\tfor (i = 0; i < digestlen; i++)\\n\\t\\tSCTP_PRINTF(\\\"%02x\\\", digest[i]);\\n}\",\n \"static int\\nsctp_test_hmac(const char *str, uint16_t hmac_id, uint8_t *key,\\n uint32_t keylen, uint8_t *text, uint32_t textlen,\\n uint8_t *digest, uint32_t digestlen)\\n{\\n\\tuint8_t computed_digest[SCTP_AUTH_DIGEST_LEN_MAX];\",\n \"\\tSCTP_PRINTF(\\\"\\\\n%s:\\\", str);\\n\\tsctp_hmac(hmac_id, key, keylen, text, textlen, computed_digest);\\n\\tsctp_print_digest(digest, digestlen, \\\"Expected digest\\\");\\n\\tsctp_print_digest(computed_digest, digestlen, \\\"Computed digest\\\");\\n\\tif (memcmp(digest, computed_digest, digestlen) != 0) {\\n\\t\\tSCTP_PRINTF(\\\"\\\\nFAILED\\\");\\n\\t\\treturn (-1);\\n\\t} else {\\n\\t\\tSCTP_PRINTF(\\\"\\\\nPASSED\\\");\\n\\t\\treturn (0);\\n\\t}\\n}\",\n \"\\n/*\\n * RFC 2202: HMAC-SHA1 test cases\\n */\\nvoid\\nsctp_test_hmac_sha1(void)\\n{\\n\\tuint8_t *digest;\\n\\tuint8_t key[128];\\n\\tuint32_t keylen;\\n\\tuint8_t text[128];\\n\\tuint32_t textlen;\\n\\tuint32_t digestlen = 20;\\n\\tint failed = 0;\",\n \"\\t/*-\\n\\t * test_case = 1\\n\\t * key = 0x0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b\\n\\t * key_len = 20\\n\\t * data = \\\"Hi There\\\"\\n\\t * data_len = 8\\n\\t * digest = 0xb617318655057264e28bc0b6fb378c8ef146be00\\n\\t */\\n\\tkeylen = 20;\\n\\tmemset(key, 0x0b, keylen);\\n\\ttextlen = 8;\\n\\tstrcpy(text, \\\"Hi There\\\");\\n\\tdigest = \\\"\\\\xb6\\\\x17\\\\x31\\\\x86\\\\x55\\\\x05\\\\x72\\\\x64\\\\xe2\\\\x8b\\\\xc0\\\\xb6\\\\xfb\\\\x37\\\\x8c\\\\x8e\\\\xf1\\\\x46\\\\xbe\\\\x00\\\";\\n\\tif (sctp_test_hmac(\\\"SHA1 test case 1\\\", SCTP_AUTH_HMAC_ID_SHA1, key, keylen,\\n\\t text, textlen, digest, digestlen) < 0)\\n\\t\\tfailed++;\",\n \"\\t/*-\\n\\t * test_case = 2\\n\\t * key = \\\"Jefe\\\"\\n\\t * key_len = 4\\n\\t * data = \\\"what do ya want for nothing?\\\"\\n\\t * data_len = 28\\n\\t * digest = 0xeffcdf6ae5eb2fa2d27416d5f184df9c259a7c79\\n\\t */\\n\\tkeylen = 4;\\n\\tstrcpy(key, \\\"Jefe\\\");\\n\\ttextlen = 28;\\n\\tstrcpy(text, \\\"what do ya want for nothing?\\\");\\n\\tdigest = \\\"\\\\xef\\\\xfc\\\\xdf\\\\x6a\\\\xe5\\\\xeb\\\\x2f\\\\xa2\\\\xd2\\\\x74\\\\x16\\\\xd5\\\\xf1\\\\x84\\\\xdf\\\\x9c\\\\x25\\\\x9a\\\\x7c\\\\x79\\\";\\n\\tif (sctp_test_hmac(\\\"SHA1 test case 2\\\", SCTP_AUTH_HMAC_ID_SHA1, key, keylen,\\n\\t text, textlen, digest, digestlen) < 0)\\n\\t\\tfailed++;\",\n \"\\t/*-\\n\\t * test_case = 3\\n\\t * key = 0xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\\n\\t * key_len = 20\\n\\t * data = 0xdd repeated 50 times\\n\\t * data_len = 50\\n\\t * digest = 0x125d7342b9ac11cd91a39af48aa17b4f63f175d3\\n\\t */\\n\\tkeylen = 20;\\n\\tmemset(key, 0xaa, keylen);\\n\\ttextlen = 50;\\n\\tmemset(text, 0xdd, textlen);\\n\\tdigest = \\\"\\\\x12\\\\x5d\\\\x73\\\\x42\\\\xb9\\\\xac\\\\x11\\\\xcd\\\\x91\\\\xa3\\\\x9a\\\\xf4\\\\x8a\\\\xa1\\\\x7b\\\\x4f\\\\x63\\\\xf1\\\\x75\\\\xd3\\\";\\n\\tif (sctp_test_hmac(\\\"SHA1 test case 3\\\", SCTP_AUTH_HMAC_ID_SHA1, key, keylen,\\n\\t text, textlen, digest, digestlen) < 0)\\n\\t\\tfailed++;\",\n \"\\t/*-\\n\\t * test_case = 4\\n\\t * key = 0x0102030405060708090a0b0c0d0e0f10111213141516171819\\n\\t * key_len = 25\\n\\t * data = 0xcd repeated 50 times\\n\\t * data_len = 50\\n\\t * digest = 0x4c9007f4026250c6bc8414f9bf50c86c2d7235da\\n\\t */\\n\\tkeylen = 25;\\n\\tmemcpy(key, \\\"\\\\x01\\\\x02\\\\x03\\\\x04\\\\x05\\\\x06\\\\x07\\\\x08\\\\x09\\\\x0a\\\\x0b\\\\x0c\\\\x0d\\\\x0e\\\\x0f\\\\x10\\\\x11\\\\x12\\\\x13\\\\x14\\\\x15\\\\x16\\\\x17\\\\x18\\\\x19\\\", keylen);\\n\\ttextlen = 50;\\n\\tmemset(text, 0xcd, textlen);\\n\\tdigest = \\\"\\\\x4c\\\\x90\\\\x07\\\\xf4\\\\x02\\\\x62\\\\x50\\\\xc6\\\\xbc\\\\x84\\\\x14\\\\xf9\\\\xbf\\\\x50\\\\xc8\\\\x6c\\\\x2d\\\\x72\\\\x35\\\\xda\\\";\\n\\tif (sctp_test_hmac(\\\"SHA1 test case 4\\\", SCTP_AUTH_HMAC_ID_SHA1, key, keylen,\\n\\t text, textlen, digest, digestlen) < 0)\\n\\t\\tfailed++;\",\n \"\\t/*-\\n\\t * test_case = 5\\n\\t * key = 0x0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c\\n\\t * key_len = 20\\n\\t * data = \\\"Test With Truncation\\\"\\n\\t * data_len = 20\\n\\t * digest = 0x4c1a03424b55e07fe7f27be1d58bb9324a9a5a04\\n\\t * digest-96 = 0x4c1a03424b55e07fe7f27be1\\n\\t */\\n\\tkeylen = 20;\\n\\tmemset(key, 0x0c, keylen);\\n\\ttextlen = 20;\\n\\tstrcpy(text, \\\"Test With Truncation\\\");\\n\\tdigest = \\\"\\\\x4c\\\\x1a\\\\x03\\\\x42\\\\x4b\\\\x55\\\\xe0\\\\x7f\\\\xe7\\\\xf2\\\\x7b\\\\xe1\\\\xd5\\\\x8b\\\\xb9\\\\x32\\\\x4a\\\\x9a\\\\x5a\\\\x04\\\";\\n\\tif (sctp_test_hmac(\\\"SHA1 test case 5\\\", SCTP_AUTH_HMAC_ID_SHA1, key, keylen,\\n\\t text, textlen, digest, digestlen) < 0)\\n\\t\\tfailed++;\",\n \"\\t/*-\\n\\t * test_case = 6\\n\\t * key = 0xaa repeated 80 times\\n\\t * key_len = 80\\n\\t * data = \\\"Test Using Larger Than Block-Size Key - Hash Key First\\\"\\n\\t * data_len = 54\\n\\t * digest = 0xaa4ae5e15272d00e95705637ce8a3b55ed402112\\n\\t */\\n\\tkeylen = 80;\\n\\tmemset(key, 0xaa, keylen);\\n\\ttextlen = 54;\\n\\tstrcpy(text, \\\"Test Using Larger Than Block-Size Key - Hash Key First\\\");\\n\\tdigest = \\\"\\\\xaa\\\\x4a\\\\xe5\\\\xe1\\\\x52\\\\x72\\\\xd0\\\\x0e\\\\x95\\\\x70\\\\x56\\\\x37\\\\xce\\\\x8a\\\\x3b\\\\x55\\\\xed\\\\x40\\\\x21\\\\x12\\\";\\n\\tif (sctp_test_hmac(\\\"SHA1 test case 6\\\", SCTP_AUTH_HMAC_ID_SHA1, key, keylen,\\n\\t text, textlen, digest, digestlen) < 0)\\n\\t\\tfailed++;\",\n \"\\t/*-\\n\\t * test_case = 7\\n\\t * key = 0xaa repeated 80 times\\n\\t * key_len = 80\\n\\t * data = \\\"Test Using Larger Than Block-Size Key and Larger Than One Block-Size Data\\\"\\n\\t * data_len = 73\\n\\t * digest = 0xe8e99d0f45237d786d6bbaa7965c7808bbff1a91\\n\\t */\\n\\tkeylen = 80;\\n\\tmemset(key, 0xaa, keylen);\\n\\ttextlen = 73;\\n\\tstrcpy(text, \\\"Test Using Larger Than Block-Size Key and Larger Than One Block-Size Data\\\");\\n\\tdigest = \\\"\\\\xe8\\\\xe9\\\\x9d\\\\x0f\\\\x45\\\\x23\\\\x7d\\\\x78\\\\x6d\\\\x6b\\\\xba\\\\xa7\\\\x96\\\\x5c\\\\x78\\\\x08\\\\xbb\\\\xff\\\\x1a\\\\x91\\\";\\n\\tif (sctp_test_hmac(\\\"SHA1 test case 7\\\", SCTP_AUTH_HMAC_ID_SHA1, key, keylen,\\n\\t text, textlen, digest, digestlen) < 0)\\n\\t\\tfailed++;\",\n \"\\t/* done with all tests */\\n\\tif (failed)\\n\\t\\tSCTP_PRINTF(\\\"\\\\nSHA1 test results: %d cases failed\\\", failed);\\n\\telse\\n\\t\\tSCTP_PRINTF(\\\"\\\\nSHA1 test results: all test cases passed\\\");\\n}\",\n \"/*\\n * test assoc key concatenation\\n */\\nstatic int\\nsctp_test_key_concatenation(sctp_key_t *key1, sctp_key_t *key2,\\n sctp_key_t *expected_key)\\n{\\n\\tsctp_key_t *key;\\n\\tint ret_val;\",\n \"\\tsctp_show_key(key1, \\\"\\\\nkey1\\\");\\n\\tsctp_show_key(key2, \\\"\\\\nkey2\\\");\\n\\tkey = sctp_compute_hashkey(key1, key2, NULL);\\n\\tsctp_show_key(expected_key, \\\"\\\\nExpected\\\");\\n\\tsctp_show_key(key, \\\"\\\\nComputed\\\");\\n\\tif (memcmp(key, expected_key, expected_key->keylen) != 0) {\\n\\t\\tSCTP_PRINTF(\\\"\\\\nFAILED\\\");\\n\\t\\tret_val = -1;\\n\\t} else {\\n\\t\\tSCTP_PRINTF(\\\"\\\\nPASSED\\\");\\n\\t\\tret_val = 0;\\n\\t}\\n\\tsctp_free_key(key1);\\n\\tsctp_free_key(key2);\\n\\tsctp_free_key(expected_key);\\n\\tsctp_free_key(key);\\n\\treturn (ret_val);\\n}\",\n \"\\nvoid\\nsctp_test_authkey(void)\\n{\\n\\tsctp_key_t *key1, *key2, *expected_key;\\n\\tint failed = 0;\",\n \"\\t/* test case 1 */\\n\\tkey1 = sctp_set_key(\\\"\\\\x01\\\\x01\\\\x01\\\\x01\\\", 4);\\n\\tkey2 = sctp_set_key(\\\"\\\\x01\\\\x02\\\\x03\\\\x04\\\", 4);\\n\\texpected_key = sctp_set_key(\\\"\\\\x01\\\\x01\\\\x01\\\\x01\\\\x01\\\\x02\\\\x03\\\\x04\\\", 8);\\n\\tif (sctp_test_key_concatenation(key1, key2, expected_key) < 0)\\n\\t\\tfailed++;\",\n \"\\t/* test case 2 */\\n\\tkey1 = sctp_set_key(\\\"\\\\x00\\\\x00\\\\x00\\\\x01\\\", 4);\\n\\tkey2 = sctp_set_key(\\\"\\\\x02\\\", 1);\\n\\texpected_key = sctp_set_key(\\\"\\\\x00\\\\x00\\\\x00\\\\x01\\\\x02\\\", 5);\\n\\tif (sctp_test_key_concatenation(key1, key2, expected_key) < 0)\\n\\t\\tfailed++;\",\n \"\\t/* test case 3 */\\n\\tkey1 = sctp_set_key(\\\"\\\\x01\\\", 1);\\n\\tkey2 = sctp_set_key(\\\"\\\\x00\\\\x00\\\\x00\\\\x02\\\", 4);\\n\\texpected_key = sctp_set_key(\\\"\\\\x01\\\\x00\\\\x00\\\\x00\\\\x02\\\", 5);\\n\\tif (sctp_test_key_concatenation(key1, key2, expected_key) < 0)\\n\\t\\tfailed++;\",\n \"\\t/* test case 4 */\\n\\tkey1 = sctp_set_key(\\\"\\\\x00\\\\x00\\\\x00\\\\x01\\\", 4);\\n\\tkey2 = sctp_set_key(\\\"\\\\x01\\\", 1);\\n\\texpected_key = sctp_set_key(\\\"\\\\x01\\\\x00\\\\x00\\\\x00\\\\x01\\\", 5);\\n\\tif (sctp_test_key_concatenation(key1, key2, expected_key) < 0)\\n\\t\\tfailed++;\",\n \"\\t/* test case 5 */\\n\\tkey1 = sctp_set_key(\\\"\\\\x01\\\", 1);\\n\\tkey2 = sctp_set_key(\\\"\\\\x00\\\\x00\\\\x00\\\\x01\\\", 4);\\n\\texpected_key = sctp_set_key(\\\"\\\\x01\\\\x00\\\\x00\\\\x00\\\\x01\\\", 5);\\n\\tif (sctp_test_key_concatenation(key1, key2, expected_key) < 0)\\n\\t\\tfailed++;\",\n \"\\t/* test case 6 */\\n\\tkey1 = sctp_set_key(\\\"\\\\x00\\\\x00\\\\x00\\\\x00\\\\x01\\\\x02\\\\x03\\\\x04\\\\x05\\\\x06\\\\x07\\\", 11);\\n\\tkey2 = sctp_set_key(\\\"\\\\x00\\\\x00\\\\x00\\\\x00\\\\x01\\\\x02\\\\x03\\\\x04\\\\x05\\\\x06\\\\x08\\\", 11);\\n\\texpected_key = sctp_set_key(\\\"\\\\x00\\\\x00\\\\x00\\\\x00\\\\x01\\\\x02\\\\x03\\\\x04\\\\x05\\\\x06\\\\x07\\\\x00\\\\x00\\\\x00\\\\x00\\\\x01\\\\x02\\\\x03\\\\x04\\\\x05\\\\x06\\\\x08\\\", 22);\\n\\tif (sctp_test_key_concatenation(key1, key2, expected_key) < 0)\\n\\t\\tfailed++;\",\n \"\\t/* test case 7 */\\n\\tkey1 = sctp_set_key(\\\"\\\\x00\\\\x00\\\\x00\\\\x00\\\\x01\\\\x02\\\\x03\\\\x04\\\\x05\\\\x06\\\\x08\\\", 11);\\n\\tkey2 = sctp_set_key(\\\"\\\\x00\\\\x00\\\\x00\\\\x00\\\\x01\\\\x02\\\\x03\\\\x04\\\\x05\\\\x06\\\\x07\\\", 11);\\n\\texpected_key = sctp_set_key(\\\"\\\\x00\\\\x00\\\\x00\\\\x00\\\\x01\\\\x02\\\\x03\\\\x04\\\\x05\\\\x06\\\\x07\\\\x00\\\\x00\\\\x00\\\\x00\\\\x01\\\\x02\\\\x03\\\\x04\\\\x05\\\\x06\\\\x08\\\", 22);\\n\\tif (sctp_test_key_concatenation(key1, key2, expected_key) < 0)\\n\\t\\tfailed++;\",\n \"\\t/* done with all tests */\\n\\tif (failed)\\n\\t\\tSCTP_PRINTF(\\\"\\\\nKey concatenation test results: %d cases failed\\\", failed);\\n\\telse\\n\\t\\tSCTP_PRINTF(\\\"\\\\nKey concatenation test results: all test cases passed\\\");\\n}\",\n \"\\n#if defined(STANDALONE_HMAC_TEST)\\nint\\nmain(void)\\n{\\n\\tsctp_test_hmac_sha1();\\n\\tsctp_test_authkey();\\n}\",\n \"#endif /* STANDALONE_HMAC_TEST */\",\n \"#endif /* SCTP_HMAC_TEST */\"\n]","isConversational":false},"labels":{"kind":"list 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7469], \"fixing_code_start_loc\": [37, 37], \"message\": \"usrsctp before 2019-12-20 has out-of-bounds reads in sctp_load_addresses_from_init.\", \"other\": {\"cve\": {\"cisaActionDue\": null, \"cisaExploitAdd\": null, \"cisaRequiredAction\": null, \"cisaVulnerabilityName\": null, \"configurations\": [{\"nodes\": [{\"cpeMatch\": [{\"criteria\": \"cpe:2.3:a:usrsctp_project:usrsctp:*:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"1DE09463-9EA6-49EF-BCBF-568BE6E965B8\", \"versionEndExcluding\": \"2019-12-20\", \"versionEndIncluding\": null, \"versionStartExcluding\": null, \"versionStartIncluding\": null, \"vulnerable\": true}], \"negate\": false, \"operator\": \"OR\"}], \"operator\": null}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"usrsctp before 2019-12-20 has out-of-bounds reads in sctp_load_addresses_from_init.\"}, {\"lang\": \"es\", \"value\": \"usrsctp versiones anteriores al 20-12-2019, presenta lecturas fuera de l\\u00edmites en la funci\\u00f3n sctp_load_addresses_from_init.\"}], \"evaluatorComment\": null, \"id\": \"CVE-2019-20503\", \"lastModified\": \"2020-06-11T15:15:11.287\", \"metrics\": {\"cvssMetricV2\": [{\"acInsufInfo\": false, \"baseSeverity\": \"MEDIUM\", \"cvssData\": {\"accessComplexity\": \"MEDIUM\", \"accessVector\": \"NETWORK\", \"authentication\": \"NONE\", \"availabilityImpact\": \"PARTIAL\", \"baseScore\": 4.3, \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"vectorString\": \"AV:N/AC:M/Au:N/C:N/I:N/A:P\", \"version\": \"2.0\"}, \"exploitabilityScore\": 8.6, \"impactScore\": 2.9, \"obtainAllPrivilege\": false, \"obtainOtherPrivilege\": false, \"obtainUserPrivilege\": false, \"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"userInteractionRequired\": true}], \"cvssMetricV30\": null, \"cvssMetricV31\": [{\"cvssData\": {\"attackComplexity\": \"LOW\", \"attackVector\": \"NETWORK\", \"availabilityImpact\": \"HIGH\", \"baseScore\": 6.5, \"baseSeverity\": \"MEDIUM\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"privilegesRequired\": \"NONE\", \"scope\": \"UNCHANGED\", \"userInteraction\": \"REQUIRED\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H\", \"version\": \"3.1\"}, \"exploitabilityScore\": 2.8, \"impactScore\": 3.6, \"source\": \"nvd@nist.gov\", \"type\": \"Primary\"}]}, \"published\": \"2020-03-06T20:15:12.470\", \"references\": [{\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00022.html\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00028.html\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00030.html\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00037.html\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://seclists.org/fulldisclosure/2020/May/49\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://seclists.org/fulldisclosure/2020/May/52\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://seclists.org/fulldisclosure/2020/May/55\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://seclists.org/fulldisclosure/2020/May/59\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://access.redhat.com/errata/RHSA-2020:0815\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://access.redhat.com/errata/RHSA-2020:0816\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://access.redhat.com/errata/RHSA-2020:0819\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://access.redhat.com/errata/RHSA-2020:0820\"}, {\"source\": \"cve@mitre.org\", \"tags\": [\"Exploit\", \"Patch\", \"Vendor Advisory\"], \"url\": \"https://bugs.chromium.org/p/project-zero/issues/detail?id=1992\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://chromereleases.googleblog.com/2020/03/stable-channel-update-for-desktop_18.html\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://crbug.com/1059349\"}, {\"source\": \"cve@mitre.org\", \"tags\": [\"Patch\", \"Third Party Advisory\"], \"url\": \"https://github.com/sctplab/usrsctp/commit/790a7a2555aefb392a5a69923f1e9d17b4968467\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://lists.debian.org/debian-lts-announce/2020/03/msg00013.html\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://lists.debian.org/debian-lts-announce/2020/03/msg00023.html\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2DDNOAGIX5D77TTHT6YPMVJ5WTXTCQEI/\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6IOHSO6BUKC6I66J5PZOMAGFVJ66ZS57/\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JWANFIR3PYAL5RJQ4AO3ZS2DYMSF2ZGZ/\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://security.gentoo.org/glsa/202003-02\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://security.gentoo.org/glsa/202003-10\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://support.apple.com/HT211168\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://support.apple.com/HT211171\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://support.apple.com/HT211175\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://support.apple.com/HT211177\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://support.apple.com/kb/HT211168\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://support.apple.com/kb/HT211171\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://support.apple.com/kb/HT211175\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://support.apple.com/kb/HT211177\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://usn.ubuntu.com/4299-1/\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://usn.ubuntu.com/4328-1/\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://usn.ubuntu.com/4335-1/\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://www.debian.org/security/2020/dsa-4639\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://www.debian.org/security/2020/dsa-4642\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://www.debian.org/security/2020/dsa-4645\"}], \"sourceIdentifier\": \"cve@mitre.org\", \"vendorComments\": null, \"vulnStatus\": \"Modified\", \"weaknesses\": [{\"description\": [{\"lang\": \"en\", \"value\": \"CWE-125\"}], \"source\": \"nvd@nist.gov\", \"type\": \"Primary\"}]}, \"github_commit_url\": \"https://github.com/sctplab/usrsctp/commit/790a7a2555aefb392a5a69923f1e9d17b4968467\"}, \"type\": \"CWE-125\"}"},"index":{"kind":"number","value":860,"string":"860"}}},{"rowIdx":5093,"cells":{"prompt":{"kind":"string","value":"Determine whether the {function_name} code is vulnerable or not."},"completions":{"kind":"list like","value":["/*-\n * SPDX-License-Identifier: BSD-3-Clause\n *\n * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved.\n * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.\n * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.\n *\n * Redistribution and use in source and binary forms, with or without\n * modification, are permitted provided that the following conditions are met:\n *\n * a) Redistributions of source code must retain the above copyright notice,\n * this list of conditions and the following disclaimer.\n *\n * b) Redistributions in binary form must reproduce the above copyright\n * notice, this list of conditions and the following disclaimer in\n * the documentation and/or other materials provided with the distribution.\n *\n * c) Neither the name of Cisco Systems, Inc. nor the names of its\n * contributors may be used to endorse or promote products derived\n * from this software without specific prior written permission.\n *\n * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\n * \"AS IS\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,\n * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\n * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\n * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\n * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\n * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\n * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\n * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\n * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF\n * THE POSSIBILITY OF SUCH DAMAGE.\n */","#ifdef __FreeBSD__\n#include <sys/cdefs.h>","__FBSDID(\"$FreeBSD: head/sys/netinet/sctp_auth.c 355931 2019-12-20 15:25:08Z tuexen $\");","#endif","#include <netinet/sctp_os.h>\n#include <netinet/sctp.h>\n#include <netinet/sctp_header.h>\n#include <netinet/sctp_pcb.h>\n#include <netinet/sctp_var.h>\n#include <netinet/sctp_sysctl.h>\n#include <netinet/sctputil.h>\n#include <netinet/sctp_indata.h>\n#include <netinet/sctp_output.h>\n#include <netinet/sctp_auth.h>","#ifdef SCTP_DEBUG\n#define SCTP_AUTH_DEBUG\t\t(SCTP_BASE_SYSCTL(sctp_debug_on) & SCTP_DEBUG_AUTH1)\n#define SCTP_AUTH_DEBUG2\t(SCTP_BASE_SYSCTL(sctp_debug_on) & SCTP_DEBUG_AUTH2)\n#endif /* SCTP_DEBUG */","\nvoid\nsctp_clear_chunklist(sctp_auth_chklist_t *chklist)\n{\n\tmemset(chklist, 0, sizeof(*chklist));\n\t/* chklist->num_chunks = 0; */\n}","sctp_auth_chklist_t *\nsctp_alloc_chunklist(void)\n{\n\tsctp_auth_chklist_t *chklist;","\tSCTP_MALLOC(chklist, sctp_auth_chklist_t *, sizeof(*chklist),\n\t\t SCTP_M_AUTH_CL);\n\tif (chklist == NULL) {\n\t\tSCTPDBG(SCTP_DEBUG_AUTH1, \"sctp_alloc_chunklist: failed to get memory!\\n\");\n\t} else {\n\t\tsctp_clear_chunklist(chklist);\n\t}\n\treturn (chklist);\n}","void\nsctp_free_chunklist(sctp_auth_chklist_t *list)\n{\n\tif (list != NULL)\n\t\tSCTP_FREE(list, SCTP_M_AUTH_CL);\n}","sctp_auth_chklist_t *\nsctp_copy_chunklist(sctp_auth_chklist_t *list)\n{\n\tsctp_auth_chklist_t *new_list;","\tif (list == NULL)\n\t\treturn (NULL);","\t/* get a new list */\n\tnew_list = sctp_alloc_chunklist();\n\tif (new_list == NULL)\n\t\treturn (NULL);\n\t/* copy it */\n\tmemcpy(new_list, list, sizeof(*new_list));","\treturn (new_list);\n}","\n/*\n * add a chunk to the required chunks list\n */\nint\nsctp_auth_add_chunk(uint8_t chunk, sctp_auth_chklist_t *list)\n{\n\tif (list == NULL)\n\t\treturn (-1);","\t/* is chunk restricted? */\n\tif ((chunk == SCTP_INITIATION) ||\n\t (chunk == SCTP_INITIATION_ACK) ||\n\t (chunk == SCTP_SHUTDOWN_COMPLETE) ||\n\t (chunk == SCTP_AUTHENTICATION)) {\n\t\treturn (-1);\n\t}\n\tif (list->chunks[chunk] == 0) {\n\t\tlist->chunks[chunk] = 1;\n\t\tlist->num_chunks++;\n\t\tSCTPDBG(SCTP_DEBUG_AUTH1,\n\t\t\t\"SCTP: added chunk %u (0x%02x) to Auth list\\n\",\n\t\t\tchunk, chunk);\n\t}\n\treturn (0);\n}","/*\n * delete a chunk from the required chunks list\n */\nint\nsctp_auth_delete_chunk(uint8_t chunk, sctp_auth_chklist_t *list)\n{\n\tif (list == NULL)\n\t\treturn (-1);","\tif (list->chunks[chunk] == 1) {\n\t\tlist->chunks[chunk] = 0;\n\t\tlist->num_chunks--;\n\t\tSCTPDBG(SCTP_DEBUG_AUTH1,\n\t\t\t\"SCTP: deleted chunk %u (0x%02x) from Auth list\\n\",\n\t\t\tchunk, chunk);\n\t}\n\treturn (0);\n}","size_t\nsctp_auth_get_chklist_size(const sctp_auth_chklist_t *list)\n{\n\tif (list == NULL)\n\t\treturn (0);\n\telse\n\t\treturn (list->num_chunks);\n}","/*\n * return the current number and list of required chunks caller must\n * guarantee ptr has space for up to 256 bytes\n */\nint\nsctp_serialize_auth_chunks(const sctp_auth_chklist_t *list, uint8_t *ptr)\n{\n\tint i, count = 0;","\tif (list == NULL)\n\t\treturn (0);","\tfor (i = 0; i < 256; i++) {\n\t\tif (list->chunks[i] != 0) {\n\t\t\t*ptr++ = i;\n\t\t\tcount++;\n\t\t}\n\t}\n\treturn (count);\n}","int\nsctp_pack_auth_chunks(const sctp_auth_chklist_t *list, uint8_t *ptr)\n{\n\tint i, size = 0;","\tif (list == NULL)\n\t\treturn (0);","\tif (list->num_chunks <= 32) {\n\t\t/* just list them, one byte each */\n\t\tfor (i = 0; i < 256; i++) {\n\t\t\tif (list->chunks[i] != 0) {\n\t\t\t\t*ptr++ = i;\n\t\t\t\tsize++;\n\t\t\t}\n\t\t}\n\t} else {\n\t\tint index, offset;","\t\t/* pack into a 32 byte bitfield */\n\t\tfor (i = 0; i < 256; i++) {\n\t\t\tif (list->chunks[i] != 0) {\n\t\t\t\tindex = i / 8;\n\t\t\t\toffset = i % 8;\n\t\t\t\tptr[index] |= (1 << offset);\n\t\t\t}\n\t\t}\n\t\tsize = 32;\n\t}\n\treturn (size);\n}","int\nsctp_unpack_auth_chunks(const uint8_t *ptr, uint8_t num_chunks,\n sctp_auth_chklist_t *list)\n{\n\tint i;\n\tint size;","\tif (list == NULL)\n\t\treturn (0);","\tif (num_chunks <= 32) {\n\t\t/* just pull them, one byte each */\n\t\tfor (i = 0; i < num_chunks; i++) {\n\t\t\t(void)sctp_auth_add_chunk(*ptr++, list);\n\t\t}\n\t\tsize = num_chunks;\n\t} else {\n\t\tint index, offset;","\t\t/* unpack from a 32 byte bitfield */\n\t\tfor (index = 0; index < 32; index++) {\n\t\t\tfor (offset = 0; offset < 8; offset++) {\n\t\t\t\tif (ptr[index] & (1 << offset)) {\n\t\t\t\t\t(void)sctp_auth_add_chunk((index * 8) + offset, list);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\tsize = 32;\n\t}\n\treturn (size);\n}","\n/*\n * allocate structure space for a key of length keylen\n */\nsctp_key_t *\nsctp_alloc_key(uint32_t keylen)\n{\n\tsctp_key_t *new_key;","\tSCTP_MALLOC(new_key, sctp_key_t *, sizeof(*new_key) + keylen,\n\t\t SCTP_M_AUTH_KY);\n\tif (new_key == NULL) {\n\t\t/* out of memory */\n\t\treturn (NULL);\n\t}\n\tnew_key->keylen = keylen;\n\treturn (new_key);\n}","void\nsctp_free_key(sctp_key_t *key)\n{\n\tif (key != NULL)\n\t\tSCTP_FREE(key,SCTP_M_AUTH_KY);\n}","void\nsctp_print_key(sctp_key_t *key, const char *str)\n{\n\tuint32_t i;","\tif (key == NULL) {\n\t\tSCTP_PRINTF(\"%s: [Null key]\\n\", str);\n\t\treturn;\n\t}\n\tSCTP_PRINTF(\"%s: len %u, \", str, key->keylen);\n\tif (key->keylen) {\n\t\tfor (i = 0; i < key->keylen; i++)\n\t\t\tSCTP_PRINTF(\"%02x\", key->key[i]);\n\t\tSCTP_PRINTF(\"\\n\");\n\t} else {\n\t\tSCTP_PRINTF(\"[Null key]\\n\");\n\t}\n}","void\nsctp_show_key(sctp_key_t *key, const char *str)\n{\n\tuint32_t i;","\tif (key == NULL) {\n\t\tSCTP_PRINTF(\"%s: [Null key]\\n\", str);\n\t\treturn;\n\t}\n\tSCTP_PRINTF(\"%s: len %u, \", str, key->keylen);\n\tif (key->keylen) {\n\t\tfor (i = 0; i < key->keylen; i++)\n\t\t\tSCTP_PRINTF(\"%02x\", key->key[i]);\n\t\tSCTP_PRINTF(\"\\n\");\n\t} else {\n\t\tSCTP_PRINTF(\"[Null key]\\n\");\n\t}\n}","static uint32_t\nsctp_get_keylen(sctp_key_t *key)\n{\n\tif (key != NULL)\n\t\treturn (key->keylen);\n\telse\n\t\treturn (0);\n}","/*\n * generate a new random key of length 'keylen'\n */\nsctp_key_t *\nsctp_generate_random_key(uint32_t keylen)\n{\n\tsctp_key_t *new_key;","\tnew_key = sctp_alloc_key(keylen);\n\tif (new_key == NULL) {\n\t\t/* out of memory */\n\t\treturn (NULL);\n\t}\n\tSCTP_READ_RANDOM(new_key->key, keylen);\n\tnew_key->keylen = keylen;\n\treturn (new_key);\n}","sctp_key_t *\nsctp_set_key(uint8_t *key, uint32_t keylen)\n{\n\tsctp_key_t *new_key;","\tnew_key = sctp_alloc_key(keylen);\n\tif (new_key == NULL) {\n\t\t/* out of memory */\n\t\treturn (NULL);\n\t}\n\tmemcpy(new_key->key, key, keylen);\n\treturn (new_key);\n}","/*-\n * given two keys of variable size, compute which key is \"larger/smaller\"\n * returns: 1 if key1 > key2\n * -1 if key1 < key2\n * 0 if key1 = key2\n */\nstatic int\nsctp_compare_key(sctp_key_t *key1, sctp_key_t *key2)\n{\n\tuint32_t maxlen;\n\tuint32_t i;\n\tuint32_t key1len, key2len;\n\tuint8_t *key_1, *key_2;\n\tuint8_t val1, val2;","\t/* sanity/length check */\n\tkey1len = sctp_get_keylen(key1);\n\tkey2len = sctp_get_keylen(key2);\n\tif ((key1len == 0) && (key2len == 0))\n\t\treturn (0);\n\telse if (key1len == 0)\n\t\treturn (-1);\n\telse if (key2len == 0)\n\t\treturn (1);","\tif (key1len < key2len) {\n\t\tmaxlen = key2len;\n\t} else {\n\t\tmaxlen = key1len;\n\t}\n\tkey_1 = key1->key;\n\tkey_2 = key2->key;\n\t/* check for numeric equality */\n\tfor (i = 0; i < maxlen; i++) {\n\t\t/* left-pad with zeros */\n\t\tval1 = (i < (maxlen - key1len)) ? 0 : *(key_1++);\n\t\tval2 = (i < (maxlen - key2len)) ? 0 : *(key_2++);\n\t\tif (val1 > val2) {\n\t\t\treturn (1);\n\t\t} else if (val1 < val2) {\n\t\t\treturn (-1);\n\t\t}\n\t}\n\t/* keys are equal value, so check lengths */\n\tif (key1len == key2len)\n\t\treturn (0);\n\telse if (key1len < key2len)\n\t\treturn (-1);\n\telse\n\t\treturn (1);\n}","/*\n * generate the concatenated keying material based on the two keys and the\n * shared key (if available). draft-ietf-tsvwg-auth specifies the specific\n * order for concatenation\n */\nsctp_key_t *\nsctp_compute_hashkey(sctp_key_t *key1, sctp_key_t *key2, sctp_key_t *shared)\n{\n\tuint32_t keylen;\n\tsctp_key_t *new_key;\n\tuint8_t *key_ptr;","\tkeylen = sctp_get_keylen(key1) + sctp_get_keylen(key2) +\n\t sctp_get_keylen(shared);","\tif (keylen > 0) {\n\t\t/* get space for the new key */\n\t\tnew_key = sctp_alloc_key(keylen);\n\t\tif (new_key == NULL) {\n\t\t\t/* out of memory */\n\t\t\treturn (NULL);\n\t\t}\n\t\tnew_key->keylen = keylen;\n\t\tkey_ptr = new_key->key;\n\t} else {\n\t\t/* all keys empty/null?! */\n\t\treturn (NULL);\n\t}","\t/* concatenate the keys */\n\tif (sctp_compare_key(key1, key2) <= 0) {\n\t\t/* key is shared + key1 + key2 */\n\t\tif (sctp_get_keylen(shared)) {\n\t\t\tmemcpy(key_ptr, shared->key, shared->keylen);\n\t\t\tkey_ptr += shared->keylen;\n\t\t}\n\t\tif (sctp_get_keylen(key1)) {\n\t\t\tmemcpy(key_ptr, key1->key, key1->keylen);\n\t\t\tkey_ptr += key1->keylen;\n\t\t}\n\t\tif (sctp_get_keylen(key2)) {\n\t\t\tmemcpy(key_ptr, key2->key, key2->keylen);\n\t\t}\n\t} else {\n\t\t/* key is shared + key2 + key1 */\n\t\tif (sctp_get_keylen(shared)) {\n\t\t\tmemcpy(key_ptr, shared->key, shared->keylen);\n\t\t\tkey_ptr += shared->keylen;\n\t\t}\n\t\tif (sctp_get_keylen(key2)) {\n\t\t\tmemcpy(key_ptr, key2->key, key2->keylen);\n\t\t\tkey_ptr += key2->keylen;\n\t\t}\n\t\tif (sctp_get_keylen(key1)) {\n\t\t\tmemcpy(key_ptr, key1->key, key1->keylen);\n\t\t}\n\t}\n\treturn (new_key);\n}","\nsctp_sharedkey_t *\nsctp_alloc_sharedkey(void)\n{\n\tsctp_sharedkey_t *new_key;","\tSCTP_MALLOC(new_key, sctp_sharedkey_t *, sizeof(*new_key),\n\t\t SCTP_M_AUTH_KY);\n\tif (new_key == NULL) {\n\t\t/* out of memory */\n\t\treturn (NULL);\n\t}\n\tnew_key->keyid = 0;\n\tnew_key->key = NULL;\n\tnew_key->refcount = 1;\n\tnew_key->deactivated = 0;\n\treturn (new_key);\n}","void\nsctp_free_sharedkey(sctp_sharedkey_t *skey)\n{\n\tif (skey == NULL)\n\t\treturn;","\tif (SCTP_DECREMENT_AND_CHECK_REFCOUNT(&skey->refcount)) {\n\t\tif (skey->key != NULL)\n\t\t\tsctp_free_key(skey->key);\n\t\tSCTP_FREE(skey, SCTP_M_AUTH_KY);\n\t}\n}","sctp_sharedkey_t *\nsctp_find_sharedkey(struct sctp_keyhead *shared_keys, uint16_t key_id)\n{\n\tsctp_sharedkey_t *skey;","\tLIST_FOREACH(skey, shared_keys, next) {\n\t\tif (skey->keyid == key_id)\n\t\t\treturn (skey);\n\t}\n\treturn (NULL);\n}","int\nsctp_insert_sharedkey(struct sctp_keyhead *shared_keys,\n\t\t sctp_sharedkey_t *new_skey)\n{\n\tsctp_sharedkey_t *skey;","\tif ((shared_keys == NULL) || (new_skey == NULL))\n\t\treturn (EINVAL);","\t/* insert into an empty list? */\n\tif (LIST_EMPTY(shared_keys)) {\n\t\tLIST_INSERT_HEAD(shared_keys, new_skey, next);\n\t\treturn (0);\n\t}\n\t/* insert into the existing list, ordered by key id */\n\tLIST_FOREACH(skey, shared_keys, next) {\n\t\tif (new_skey->keyid < skey->keyid) {\n\t\t\t/* insert it before here */\n\t\t\tLIST_INSERT_BEFORE(skey, new_skey, next);\n\t\t\treturn (0);\n\t\t} else if (new_skey->keyid == skey->keyid) {\n\t\t\t/* replace the existing key */\n\t\t\t/* verify this key *can* be replaced */\n\t\t\tif ((skey->deactivated) || (skey->refcount > 1)) {\n\t\t\t\tSCTPDBG(SCTP_DEBUG_AUTH1,\n\t\t\t\t\t\"can't replace shared key id %u\\n\",\n\t\t\t\t\tnew_skey->keyid);\n\t\t\t\treturn (EBUSY);\n\t\t\t}\n\t\t\tSCTPDBG(SCTP_DEBUG_AUTH1,\n\t\t\t\t\"replacing shared key id %u\\n\",\n\t\t\t\tnew_skey->keyid);\n\t\t\tLIST_INSERT_BEFORE(skey, new_skey, next);\n\t\t\tLIST_REMOVE(skey, next);\n\t\t\tsctp_free_sharedkey(skey);\n\t\t\treturn (0);\n\t\t}\n\t\tif (LIST_NEXT(skey, next) == NULL) {\n\t\t\t/* belongs at the end of the list */\n\t\t\tLIST_INSERT_AFTER(skey, new_skey, next);\n\t\t\treturn (0);\n\t\t}\n\t}\n\t/* shouldn't reach here */\n\treturn (EINVAL);\n}","void\nsctp_auth_key_acquire(struct sctp_tcb *stcb, uint16_t key_id)\n{\n\tsctp_sharedkey_t *skey;","\t/* find the shared key */\n\tskey = sctp_find_sharedkey(&stcb->asoc.shared_keys, key_id);","\t/* bump the ref count */\n\tif (skey) {\n\t\tatomic_add_int(&skey->refcount, 1);\n\t\tSCTPDBG(SCTP_DEBUG_AUTH2,\n\t\t\t\"%s: stcb %p key %u refcount acquire to %d\\n\",\n\t\t\t__func__, (void *)stcb, key_id, skey->refcount);\n\t}\n}","void\nsctp_auth_key_release(struct sctp_tcb *stcb, uint16_t key_id, int so_locked\n#if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING)\n\tSCTP_UNUSED\n#endif\n)\n{\n\tsctp_sharedkey_t *skey;","\t/* find the shared key */\n\tskey = sctp_find_sharedkey(&stcb->asoc.shared_keys, key_id);","\t/* decrement the ref count */\n\tif (skey) {\n\t\tSCTPDBG(SCTP_DEBUG_AUTH2,\n\t\t\t\"%s: stcb %p key %u refcount release to %d\\n\",\n\t\t\t__func__, (void *)stcb, key_id, skey->refcount);","\t\t/* see if a notification should be generated */\n\t\tif ((skey->refcount <= 2) && (skey->deactivated)) {\n\t\t\t/* notify ULP that key is no longer used */\n\t\t\tsctp_ulp_notify(SCTP_NOTIFY_AUTH_FREE_KEY, stcb,\n\t\t\t\t\tkey_id, 0, so_locked);\n\t\t\tSCTPDBG(SCTP_DEBUG_AUTH2,\n\t\t\t\t\"%s: stcb %p key %u no longer used, %d\\n\",\n\t\t\t\t__func__, (void *)stcb, key_id, skey->refcount);\n\t\t}\n\t\tsctp_free_sharedkey(skey);\n\t}\n}","static sctp_sharedkey_t *\nsctp_copy_sharedkey(const sctp_sharedkey_t *skey)\n{\n\tsctp_sharedkey_t *new_skey;","\tif (skey == NULL)\n\t\treturn (NULL);\n\tnew_skey = sctp_alloc_sharedkey();\n\tif (new_skey == NULL)\n\t\treturn (NULL);\n\tif (skey->key != NULL)\n\t\tnew_skey->key = sctp_set_key(skey->key->key, skey->key->keylen);\n\telse\n\t\tnew_skey->key = NULL;\n\tnew_skey->keyid = skey->keyid;\n\treturn (new_skey);\n}","int\nsctp_copy_skeylist(const struct sctp_keyhead *src, struct sctp_keyhead *dest)\n{\n\tsctp_sharedkey_t *skey, *new_skey;\n\tint count = 0;","\tif ((src == NULL) || (dest == NULL))\n\t\treturn (0);\n\tLIST_FOREACH(skey, src, next) {\n\t\tnew_skey = sctp_copy_sharedkey(skey);\n\t\tif (new_skey != NULL) {\n\t\t\tif (sctp_insert_sharedkey(dest, new_skey)) {\n\t\t\t\tsctp_free_sharedkey(new_skey);\n\t\t\t} else {\n\t\t\t\tcount++;\n\t\t\t}\n\t\t}\n\t}\n\treturn (count);\n}","\nsctp_hmaclist_t *\nsctp_alloc_hmaclist(uint16_t num_hmacs)\n{\n\tsctp_hmaclist_t *new_list;\n\tint alloc_size;","\talloc_size = sizeof(*new_list) + num_hmacs * sizeof(new_list->hmac[0]);\n\tSCTP_MALLOC(new_list, sctp_hmaclist_t *, alloc_size,\n\t\t SCTP_M_AUTH_HL);\n\tif (new_list == NULL) {\n\t\t/* out of memory */\n\t\treturn (NULL);\n\t}\n\tnew_list->max_algo = num_hmacs;\n\tnew_list->num_algo = 0;\n\treturn (new_list);\n}","void\nsctp_free_hmaclist(sctp_hmaclist_t *list)\n{\n\tif (list != NULL) {\n\t\tSCTP_FREE(list,SCTP_M_AUTH_HL);\n\t\tlist = NULL;\n\t}\n}","int\nsctp_auth_add_hmacid(sctp_hmaclist_t *list, uint16_t hmac_id)\n{\n\tint i;\n\tif (list == NULL)\n\t\treturn (-1);\n\tif (list->num_algo == list->max_algo) {\n\t\tSCTPDBG(SCTP_DEBUG_AUTH1,\n\t\t\t\"SCTP: HMAC id list full, ignoring add %u\\n\", hmac_id);\n\t\treturn (-1);\n\t}\n#if defined(SCTP_SUPPORT_HMAC_SHA256)\n\tif ((hmac_id != SCTP_AUTH_HMAC_ID_SHA1) &&\n\t (hmac_id != SCTP_AUTH_HMAC_ID_SHA256)) {\n#else\n\tif (hmac_id != SCTP_AUTH_HMAC_ID_SHA1) {\n#endif\n\t\treturn (-1);\n\t}\n\t/* Now is it already in the list */\n\tfor (i = 0; i < list->num_algo; i++) {\n\t\tif (list->hmac[i] == hmac_id) {\n\t\t\t/* already in list */\n\t\t\treturn (-1);\n\t\t}\n\t}\n\tSCTPDBG(SCTP_DEBUG_AUTH1, \"SCTP: add HMAC id %u to list\\n\", hmac_id);\n\tlist->hmac[list->num_algo++] = hmac_id;\n\treturn (0);\n}","sctp_hmaclist_t *\nsctp_copy_hmaclist(sctp_hmaclist_t *list)\n{\n\tsctp_hmaclist_t *new_list;\n\tint i;","\tif (list == NULL)\n\t\treturn (NULL);\n\t/* get a new list */\n\tnew_list = sctp_alloc_hmaclist(list->max_algo);\n\tif (new_list == NULL)\n\t\treturn (NULL);\n\t/* copy it */\n\tnew_list->max_algo = list->max_algo;\n\tnew_list->num_algo = list->num_algo;\n\tfor (i = 0; i < list->num_algo; i++)\n\t\tnew_list->hmac[i] = list->hmac[i];\n\treturn (new_list);\n}","sctp_hmaclist_t *\nsctp_default_supported_hmaclist(void)\n{\n\tsctp_hmaclist_t *new_list;","#if defined(SCTP_SUPPORT_HMAC_SHA256)\n\tnew_list = sctp_alloc_hmaclist(2);\n#else\n\tnew_list = sctp_alloc_hmaclist(1);\n#endif\n\tif (new_list == NULL)\n\t\treturn (NULL);\n#if defined(SCTP_SUPPORT_HMAC_SHA256)\n\t/* We prefer SHA256, so list it first */\n\t(void)sctp_auth_add_hmacid(new_list, SCTP_AUTH_HMAC_ID_SHA256);\n#endif\n\t(void)sctp_auth_add_hmacid(new_list, SCTP_AUTH_HMAC_ID_SHA1);\n\treturn (new_list);\n}","/*-\n * HMAC algos are listed in priority/preference order\n * find the best HMAC id to use for the peer based on local support\n */\nuint16_t\nsctp_negotiate_hmacid(sctp_hmaclist_t *peer, sctp_hmaclist_t *local)\n{\n\tint i, j;","\tif ((local == NULL) || (peer == NULL))\n\t\treturn (SCTP_AUTH_HMAC_ID_RSVD);","\tfor (i = 0; i < peer->num_algo; i++) {\n\t\tfor (j = 0; j < local->num_algo; j++) {\n\t\t\tif (peer->hmac[i] == local->hmac[j]) {\n\t\t\t\t/* found the \"best\" one */\n\t\t\t\tSCTPDBG(SCTP_DEBUG_AUTH1,\n\t\t\t\t\t\"SCTP: negotiated peer HMAC id %u\\n\",\n\t\t\t\t\tpeer->hmac[i]);\n\t\t\t\treturn (peer->hmac[i]);\n\t\t\t}\n\t\t}\n\t}\n\t/* didn't find one! */\n\treturn (SCTP_AUTH_HMAC_ID_RSVD);\n}","/*-\n * serialize the HMAC algo list and return space used\n * caller must guarantee ptr has appropriate space\n */\nint\nsctp_serialize_hmaclist(sctp_hmaclist_t *list, uint8_t *ptr)\n{\n\tint i;\n\tuint16_t hmac_id;","\tif (list == NULL)\n\t\treturn (0);","\tfor (i = 0; i < list->num_algo; i++) {\n\t\thmac_id = htons(list->hmac[i]);\n\t\tmemcpy(ptr, &hmac_id, sizeof(hmac_id));\n\t\tptr += sizeof(hmac_id);\n\t}\n\treturn (list->num_algo * sizeof(hmac_id));\n}","int\nsctp_verify_hmac_param (struct sctp_auth_hmac_algo *hmacs, uint32_t num_hmacs)\n{\n\tuint32_t i;","\tfor (i = 0; i < num_hmacs; i++) {\n\t\tif (ntohs(hmacs->hmac_ids[i]) == SCTP_AUTH_HMAC_ID_SHA1) {\n\t\t\treturn (0);\n\t\t}\n\t}\n\treturn (-1);\n}","sctp_authinfo_t *\nsctp_alloc_authinfo(void)\n{\n\tsctp_authinfo_t *new_authinfo;","\tSCTP_MALLOC(new_authinfo, sctp_authinfo_t *, sizeof(*new_authinfo),\n\t\t SCTP_M_AUTH_IF);","\tif (new_authinfo == NULL) {\n\t\t/* out of memory */\n\t\treturn (NULL);\n\t}\n\tmemset(new_authinfo, 0, sizeof(*new_authinfo));\n\treturn (new_authinfo);\n}","void\nsctp_free_authinfo(sctp_authinfo_t *authinfo)\n{\n\tif (authinfo == NULL)\n\t\treturn;","\tif (authinfo->random != NULL)\n\t\tsctp_free_key(authinfo->random);\n\tif (authinfo->peer_random != NULL)\n\t\tsctp_free_key(authinfo->peer_random);\n\tif (authinfo->assoc_key != NULL)\n\t\tsctp_free_key(authinfo->assoc_key);\n\tif (authinfo->recv_key != NULL)\n\t\tsctp_free_key(authinfo->recv_key);","\t/* We are NOT dynamically allocating authinfo's right now... */\n\t/* SCTP_FREE(authinfo, SCTP_M_AUTH_??); */\n}","\nuint32_t\nsctp_get_auth_chunk_len(uint16_t hmac_algo)\n{\n\tint size;","\tsize = sizeof(struct sctp_auth_chunk) + sctp_get_hmac_digest_len(hmac_algo);\n\treturn (SCTP_SIZE32(size));\n}","uint32_t\nsctp_get_hmac_digest_len(uint16_t hmac_algo)\n{\n\tswitch (hmac_algo) {\n\tcase SCTP_AUTH_HMAC_ID_SHA1:\n\t\treturn (SCTP_AUTH_DIGEST_LEN_SHA1);\n#if defined(SCTP_SUPPORT_HMAC_SHA256)\n\tcase SCTP_AUTH_HMAC_ID_SHA256:\n\t\treturn (SCTP_AUTH_DIGEST_LEN_SHA256);\n#endif\n\tdefault:\n\t\t/* unknown HMAC algorithm: can't do anything */\n\t\treturn (0);\n\t} /* end switch */\n}","static inline int\nsctp_get_hmac_block_len(uint16_t hmac_algo)\n{\n\tswitch (hmac_algo) {\n\tcase SCTP_AUTH_HMAC_ID_SHA1:\n\t\treturn (64);\n#if defined(SCTP_SUPPORT_HMAC_SHA256)\n\tcase SCTP_AUTH_HMAC_ID_SHA256:\n\t\treturn (64);\n#endif\n\tcase SCTP_AUTH_HMAC_ID_RSVD:\n\tdefault:\n\t\t/* unknown HMAC algorithm: can't do anything */\n\t\treturn (0);\n\t} /* end switch */\n}","#if defined(__Userspace__)\n/* __Userspace__ SHA1_Init is defined in libcrypto.a (libssl-dev on Ubuntu) */\n#endif\nstatic void\nsctp_hmac_init(uint16_t hmac_algo, sctp_hash_context_t *ctx)\n{\n\tswitch (hmac_algo) {\n\tcase SCTP_AUTH_HMAC_ID_SHA1:\n\t\tSCTP_SHA1_INIT(&ctx->sha1);\n\t\tbreak;\n#if defined(SCTP_SUPPORT_HMAC_SHA256)\n\tcase SCTP_AUTH_HMAC_ID_SHA256:\n\t\tSCTP_SHA256_INIT(&ctx->sha256);\n\t\tbreak;\n#endif\n\tcase SCTP_AUTH_HMAC_ID_RSVD:\n\tdefault:\n\t\t/* unknown HMAC algorithm: can't do anything */\n\t\treturn;\n\t} /* end switch */\n}","static void\nsctp_hmac_update(uint16_t hmac_algo, sctp_hash_context_t *ctx,\n uint8_t *text, uint32_t textlen)\n{\n\tswitch (hmac_algo) {\n\tcase SCTP_AUTH_HMAC_ID_SHA1:\n\t\tSCTP_SHA1_UPDATE(&ctx->sha1, text, textlen);\n\t\tbreak;\n#if defined(SCTP_SUPPORT_HMAC_SHA256)\n\tcase SCTP_AUTH_HMAC_ID_SHA256:\n\t\tSCTP_SHA256_UPDATE(&ctx->sha256, text, textlen);\n\t\tbreak;\n#endif\n\tcase SCTP_AUTH_HMAC_ID_RSVD:\n\tdefault:\n\t\t/* unknown HMAC algorithm: can't do anything */\n\t\treturn;\n\t} /* end switch */\n}","static void\nsctp_hmac_final(uint16_t hmac_algo, sctp_hash_context_t *ctx,\n uint8_t *digest)\n{\n\tswitch (hmac_algo) {\n\tcase SCTP_AUTH_HMAC_ID_SHA1:\n\t\tSCTP_SHA1_FINAL(digest, &ctx->sha1);\n\t\tbreak;\n#if defined(SCTP_SUPPORT_HMAC_SHA256)\n\tcase SCTP_AUTH_HMAC_ID_SHA256:\n\t\tSCTP_SHA256_FINAL(digest, &ctx->sha256);\n\t\tbreak;\n#endif\n\tcase SCTP_AUTH_HMAC_ID_RSVD:\n\tdefault:\n\t\t/* unknown HMAC algorithm: can't do anything */\n\t\treturn;\n\t} /* end switch */\n}","/*-\n * Keyed-Hashing for Message Authentication: FIPS 198 (RFC 2104)\n *\n * Compute the HMAC digest using the desired hash key, text, and HMAC\n * algorithm. Resulting digest is placed in 'digest' and digest length\n * is returned, if the HMAC was performed.\n *\n * WARNING: it is up to the caller to supply sufficient space to hold the\n * resultant digest.\n */\nuint32_t\nsctp_hmac(uint16_t hmac_algo, uint8_t *key, uint32_t keylen,\n uint8_t *text, uint32_t textlen, uint8_t *digest)\n{\n\tuint32_t digestlen;\n\tuint32_t blocklen;\n\tsctp_hash_context_t ctx;\n\tuint8_t ipad[128], opad[128];\t/* keyed hash inner/outer pads */\n\tuint8_t temp[SCTP_AUTH_DIGEST_LEN_MAX];\n\tuint32_t i;","\t/* sanity check the material and length */\n\tif ((key == NULL) || (keylen == 0) || (text == NULL) ||\n\t (textlen == 0) || (digest == NULL)) {\n\t\t/* can't do HMAC with empty key or text or digest store */\n\t\treturn (0);\n\t}\n\t/* validate the hmac algo and get the digest length */\n\tdigestlen = sctp_get_hmac_digest_len(hmac_algo);\n\tif (digestlen == 0)\n\t\treturn (0);","\t/* hash the key if it is longer than the hash block size */\n\tblocklen = sctp_get_hmac_block_len(hmac_algo);\n\tif (keylen > blocklen) {\n\t\tsctp_hmac_init(hmac_algo, &ctx);\n\t\tsctp_hmac_update(hmac_algo, &ctx, key, keylen);\n\t\tsctp_hmac_final(hmac_algo, &ctx, temp);\n\t\t/* set the hashed key as the key */\n\t\tkeylen = digestlen;\n\t\tkey = temp;\n\t}\n\t/* initialize the inner/outer pads with the key and \"append\" zeroes */\n\tmemset(ipad, 0, blocklen);\n\tmemset(opad, 0, blocklen);\n\tmemcpy(ipad, key, keylen);\n\tmemcpy(opad, key, keylen);","\t/* XOR the key with ipad and opad values */\n\tfor (i = 0; i < blocklen; i++) {\n\t\tipad[i] ^= 0x36;\n\t\topad[i] ^= 0x5c;\n\t}","\t/* perform inner hash */\n\tsctp_hmac_init(hmac_algo, &ctx);\n\tsctp_hmac_update(hmac_algo, &ctx, ipad, blocklen);\n\tsctp_hmac_update(hmac_algo, &ctx, text, textlen);\n\tsctp_hmac_final(hmac_algo, &ctx, temp);","\t/* perform outer hash */\n\tsctp_hmac_init(hmac_algo, &ctx);\n\tsctp_hmac_update(hmac_algo, &ctx, opad, blocklen);\n\tsctp_hmac_update(hmac_algo, &ctx, temp, digestlen);\n\tsctp_hmac_final(hmac_algo, &ctx, digest);","\treturn (digestlen);\n}","/* mbuf version */\nuint32_t\nsctp_hmac_m(uint16_t hmac_algo, uint8_t *key, uint32_t keylen,\n struct mbuf *m, uint32_t m_offset, uint8_t *digest, uint32_t trailer)\n{\n\tuint32_t digestlen;\n\tuint32_t blocklen;\n\tsctp_hash_context_t ctx;\n\tuint8_t ipad[128], opad[128];\t/* keyed hash inner/outer pads */\n\tuint8_t temp[SCTP_AUTH_DIGEST_LEN_MAX];\n\tuint32_t i;\n\tstruct mbuf *m_tmp;","\t/* sanity check the material and length */\n\tif ((key == NULL) || (keylen == 0) || (m == NULL) || (digest == NULL)) {\n\t\t/* can't do HMAC with empty key or text or digest store */\n\t\treturn (0);\n\t}\n\t/* validate the hmac algo and get the digest length */\n\tdigestlen = sctp_get_hmac_digest_len(hmac_algo);\n\tif (digestlen == 0)\n\t\treturn (0);","\t/* hash the key if it is longer than the hash block size */\n\tblocklen = sctp_get_hmac_block_len(hmac_algo);\n\tif (keylen > blocklen) {\n\t\tsctp_hmac_init(hmac_algo, &ctx);\n\t\tsctp_hmac_update(hmac_algo, &ctx, key, keylen);\n\t\tsctp_hmac_final(hmac_algo, &ctx, temp);\n\t\t/* set the hashed key as the key */\n\t\tkeylen = digestlen;\n\t\tkey = temp;\n\t}\n\t/* initialize the inner/outer pads with the key and \"append\" zeroes */\n\tmemset(ipad, 0, blocklen);\n\tmemset(opad, 0, blocklen);\n\tmemcpy(ipad, key, keylen);\n\tmemcpy(opad, key, keylen);","\t/* XOR the key with ipad and opad values */\n\tfor (i = 0; i < blocklen; i++) {\n\t\tipad[i] ^= 0x36;\n\t\topad[i] ^= 0x5c;\n\t}","\t/* perform inner hash */\n\tsctp_hmac_init(hmac_algo, &ctx);\n\tsctp_hmac_update(hmac_algo, &ctx, ipad, blocklen);\n\t/* find the correct starting mbuf and offset (get start of text) */\n\tm_tmp = m;\n\twhile ((m_tmp != NULL) && (m_offset >= (uint32_t) SCTP_BUF_LEN(m_tmp))) {\n\t\tm_offset -= SCTP_BUF_LEN(m_tmp);\n\t\tm_tmp = SCTP_BUF_NEXT(m_tmp);\n\t}\n\t/* now use the rest of the mbuf chain for the text */\n\twhile (m_tmp != NULL) {\n\t\tif ((SCTP_BUF_NEXT(m_tmp) == NULL) && trailer) {\n\t\t\tsctp_hmac_update(hmac_algo, &ctx, mtod(m_tmp, uint8_t *) + m_offset,\n\t\t\t\t\t SCTP_BUF_LEN(m_tmp) - (trailer+m_offset));\n\t\t} else {\n\t\t\tsctp_hmac_update(hmac_algo, &ctx, mtod(m_tmp, uint8_t *) + m_offset,\n\t\t\t\t\t SCTP_BUF_LEN(m_tmp) - m_offset);\n\t\t}","\t\t/* clear the offset since it's only for the first mbuf */\n\t\tm_offset = 0;\n\t\tm_tmp = SCTP_BUF_NEXT(m_tmp);\n\t}\n\tsctp_hmac_final(hmac_algo, &ctx, temp);","\t/* perform outer hash */\n\tsctp_hmac_init(hmac_algo, &ctx);\n\tsctp_hmac_update(hmac_algo, &ctx, opad, blocklen);\n\tsctp_hmac_update(hmac_algo, &ctx, temp, digestlen);\n\tsctp_hmac_final(hmac_algo, &ctx, digest);","\treturn (digestlen);\n}","/*\n * computes the requested HMAC using a key struct (which may be modified if\n * the keylen exceeds the HMAC block len).\n */\nuint32_t\nsctp_compute_hmac(uint16_t hmac_algo, sctp_key_t *key, uint8_t *text,\n uint32_t textlen, uint8_t *digest)\n{\n\tuint32_t digestlen;\n\tuint32_t blocklen;\n\tsctp_hash_context_t ctx;\n\tuint8_t temp[SCTP_AUTH_DIGEST_LEN_MAX];","\t/* sanity check */\n\tif ((key == NULL) || (text == NULL) || (textlen == 0) ||\n\t (digest == NULL)) {\n\t\t/* can't do HMAC with empty key or text or digest store */\n\t\treturn (0);\n\t}\n\t/* validate the hmac algo and get the digest length */\n\tdigestlen = sctp_get_hmac_digest_len(hmac_algo);\n\tif (digestlen == 0)\n\t\treturn (0);","\t/* hash the key if it is longer than the hash block size */\n\tblocklen = sctp_get_hmac_block_len(hmac_algo);\n\tif (key->keylen > blocklen) {\n\t\tsctp_hmac_init(hmac_algo, &ctx);\n\t\tsctp_hmac_update(hmac_algo, &ctx, key->key, key->keylen);\n\t\tsctp_hmac_final(hmac_algo, &ctx, temp);\n\t\t/* save the hashed key as the new key */\n\t\tkey->keylen = digestlen;\n\t\tmemcpy(key->key, temp, key->keylen);\n\t}\n\treturn (sctp_hmac(hmac_algo, key->key, key->keylen, text, textlen,\n\t digest));\n}","/* mbuf version */\nuint32_t\nsctp_compute_hmac_m(uint16_t hmac_algo, sctp_key_t *key, struct mbuf *m,\n uint32_t m_offset, uint8_t *digest)\n{\n\tuint32_t digestlen;\n\tuint32_t blocklen;\n\tsctp_hash_context_t ctx;\n\tuint8_t temp[SCTP_AUTH_DIGEST_LEN_MAX];","\t/* sanity check */\n\tif ((key == NULL) || (m == NULL) || (digest == NULL)) {\n\t\t/* can't do HMAC with empty key or text or digest store */\n\t\treturn (0);\n\t}\n\t/* validate the hmac algo and get the digest length */\n\tdigestlen = sctp_get_hmac_digest_len(hmac_algo);\n\tif (digestlen == 0)\n\t\treturn (0);","\t/* hash the key if it is longer than the hash block size */\n\tblocklen = sctp_get_hmac_block_len(hmac_algo);\n\tif (key->keylen > blocklen) {\n\t\tsctp_hmac_init(hmac_algo, &ctx);\n\t\tsctp_hmac_update(hmac_algo, &ctx, key->key, key->keylen);\n\t\tsctp_hmac_final(hmac_algo, &ctx, temp);\n\t\t/* save the hashed key as the new key */\n\t\tkey->keylen = digestlen;\n\t\tmemcpy(key->key, temp, key->keylen);\n\t}\n\treturn (sctp_hmac_m(hmac_algo, key->key, key->keylen, m, m_offset, digest, 0));\n}","int\nsctp_auth_is_supported_hmac(sctp_hmaclist_t *list, uint16_t id)\n{\n\tint i;","\tif ((list == NULL) || (id == SCTP_AUTH_HMAC_ID_RSVD))\n\t\treturn (0);","\tfor (i = 0; i < list->num_algo; i++)\n\t\tif (list->hmac[i] == id)\n\t\t\treturn (1);","\t/* not in the list */\n\treturn (0);\n}","\n/*-\n * clear any cached key(s) if they match the given key id on an association.\n * the cached key(s) will be recomputed and re-cached at next use.\n * ASSUMES TCB_LOCK is already held\n */\nvoid\nsctp_clear_cachedkeys(struct sctp_tcb *stcb, uint16_t keyid)\n{\n\tif (stcb == NULL)\n\t\treturn;","\tif (keyid == stcb->asoc.authinfo.assoc_keyid) {\n\t\tsctp_free_key(stcb->asoc.authinfo.assoc_key);\n\t\tstcb->asoc.authinfo.assoc_key = NULL;\n\t}\n\tif (keyid == stcb->asoc.authinfo.recv_keyid) {\n\t\tsctp_free_key(stcb->asoc.authinfo.recv_key);\n\t\tstcb->asoc.authinfo.recv_key = NULL;\n\t}\n}","/*-\n * clear any cached key(s) if they match the given key id for all assocs on\n * an endpoint.\n * ASSUMES INP_WLOCK is already held\n */\nvoid\nsctp_clear_cachedkeys_ep(struct sctp_inpcb *inp, uint16_t keyid)\n{\n\tstruct sctp_tcb *stcb;","\tif (inp == NULL)\n\t\treturn;","\t/* clear the cached keys on all assocs on this instance */\n\tLIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {\n\t\tSCTP_TCB_LOCK(stcb);\n\t\tsctp_clear_cachedkeys(stcb, keyid);\n\t\tSCTP_TCB_UNLOCK(stcb);\n\t}\n}","/*-\n * delete a shared key from an association\n * ASSUMES TCB_LOCK is already held\n */\nint\nsctp_delete_sharedkey(struct sctp_tcb *stcb, uint16_t keyid)\n{\n\tsctp_sharedkey_t *skey;","\tif (stcb == NULL)\n\t\treturn (-1);","\t/* is the keyid the assoc active sending key */\n\tif (keyid == stcb->asoc.authinfo.active_keyid)\n\t\treturn (-1);","\t/* does the key exist? */\n\tskey = sctp_find_sharedkey(&stcb->asoc.shared_keys, keyid);\n\tif (skey == NULL)\n\t\treturn (-1);","\t/* are there other refcount holders on the key? */\n\tif (skey->refcount > 1)\n\t\treturn (-1);","\t/* remove it */\n\tLIST_REMOVE(skey, next);\n\tsctp_free_sharedkey(skey);\t/* frees skey->key as well */","\t/* clear any cached keys */\n\tsctp_clear_cachedkeys(stcb, keyid);\n\treturn (0);\n}","/*-\n * deletes a shared key from the endpoint\n * ASSUMES INP_WLOCK is already held\n */\nint\nsctp_delete_sharedkey_ep(struct sctp_inpcb *inp, uint16_t keyid)\n{\n\tsctp_sharedkey_t *skey;","\tif (inp == NULL)\n\t\treturn (-1);","\t/* is the keyid the active sending key on the endpoint */\n\tif (keyid == inp->sctp_ep.default_keyid)\n\t\treturn (-1);","\t/* does the key exist? */\n\tskey = sctp_find_sharedkey(&inp->sctp_ep.shared_keys, keyid);\n\tif (skey == NULL)\n\t\treturn (-1);","\t/* endpoint keys are not refcounted */","\t/* remove it */\n\tLIST_REMOVE(skey, next);\n\tsctp_free_sharedkey(skey);\t/* frees skey->key as well */","\t/* clear any cached keys */\n\tsctp_clear_cachedkeys_ep(inp, keyid);\n\treturn (0);\n}","/*-\n * set the active key on an association\n * ASSUMES TCB_LOCK is already held\n */\nint\nsctp_auth_setactivekey(struct sctp_tcb *stcb, uint16_t keyid)\n{\n\tsctp_sharedkey_t *skey = NULL;","\t/* find the key on the assoc */\n\tskey = sctp_find_sharedkey(&stcb->asoc.shared_keys, keyid);\n\tif (skey == NULL) {\n\t\t/* that key doesn't exist */\n\t\treturn (-1);\n\t}\n\tif ((skey->deactivated) && (skey->refcount > 1)) {\n\t\t/* can't reactivate a deactivated key with other refcounts */\n\t\treturn (-1);\n\t}","\t/* set the (new) active key */\n\tstcb->asoc.authinfo.active_keyid = keyid;\n\t/* reset the deactivated flag */\n\tskey->deactivated = 0;","\treturn (0);\n}","/*-\n * set the active key on an endpoint\n * ASSUMES INP_WLOCK is already held\n */\nint\nsctp_auth_setactivekey_ep(struct sctp_inpcb *inp, uint16_t keyid)\n{\n\tsctp_sharedkey_t *skey;","\t/* find the key */\n\tskey = sctp_find_sharedkey(&inp->sctp_ep.shared_keys, keyid);\n\tif (skey == NULL) {\n\t\t/* that key doesn't exist */\n\t\treturn (-1);\n\t}\n\tinp->sctp_ep.default_keyid = keyid;\n\treturn (0);\n}","/*-\n * deactivates a shared key from the association\n * ASSUMES INP_WLOCK is already held\n */\nint\nsctp_deact_sharedkey(struct sctp_tcb *stcb, uint16_t keyid)\n{\n\tsctp_sharedkey_t *skey;","\tif (stcb == NULL)\n\t\treturn (-1);","\t/* is the keyid the assoc active sending key */\n\tif (keyid == stcb->asoc.authinfo.active_keyid)\n\t\treturn (-1);","\t/* does the key exist? */\n\tskey = sctp_find_sharedkey(&stcb->asoc.shared_keys, keyid);\n\tif (skey == NULL)\n\t\treturn (-1);","\t/* are there other refcount holders on the key? */\n\tif (skey->refcount == 1) {\n\t\t/* no other users, send a notification for this key */\n\t\tsctp_ulp_notify(SCTP_NOTIFY_AUTH_FREE_KEY, stcb, keyid, 0,\n\t\t\t\tSCTP_SO_LOCKED);\n\t}","\t/* mark the key as deactivated */\n\tskey->deactivated = 1;","\treturn (0);\n}","/*-\n * deactivates a shared key from the endpoint\n * ASSUMES INP_WLOCK is already held\n */\nint\nsctp_deact_sharedkey_ep(struct sctp_inpcb *inp, uint16_t keyid)\n{\n\tsctp_sharedkey_t *skey;","\tif (inp == NULL)\n\t\treturn (-1);","\t/* is the keyid the active sending key on the endpoint */\n\tif (keyid == inp->sctp_ep.default_keyid)\n\t\treturn (-1);","\t/* does the key exist? */\n\tskey = sctp_find_sharedkey(&inp->sctp_ep.shared_keys, keyid);\n\tif (skey == NULL)\n\t\treturn (-1);","\t/* endpoint keys are not refcounted */","\t/* remove it */\n\tLIST_REMOVE(skey, next);\n\tsctp_free_sharedkey(skey);\t/* frees skey->key as well */","\treturn (0);\n}","/*\n * get local authentication parameters from cookie (from INIT-ACK)\n */\nvoid\nsctp_auth_get_cookie_params(struct sctp_tcb *stcb, struct mbuf *m,\n uint32_t offset, uint32_t length)\n{\n\tstruct sctp_paramhdr *phdr, tmp_param;\n\tuint16_t plen, ptype;\n\tuint8_t random_store[SCTP_PARAM_BUFFER_SIZE];\n\tstruct sctp_auth_random *p_random = NULL;\n\tuint16_t random_len = 0;\n\tuint8_t hmacs_store[SCTP_PARAM_BUFFER_SIZE];\n\tstruct sctp_auth_hmac_algo *hmacs = NULL;\n\tuint16_t hmacs_len = 0;\n\tuint8_t chunks_store[SCTP_PARAM_BUFFER_SIZE];\n\tstruct sctp_auth_chunk_list *chunks = NULL;\n\tuint16_t num_chunks = 0;\n\tsctp_key_t *new_key;\n\tuint32_t keylen;","\t/* convert to upper bound */\n\tlength += offset;","\tphdr = (struct sctp_paramhdr *)sctp_m_getptr(m, offset,\n\t sizeof(struct sctp_paramhdr), (uint8_t *)&tmp_param);\n\twhile (phdr != NULL) {\n\t\tptype = ntohs(phdr->param_type);\n\t\tplen = ntohs(phdr->param_length);\n","\t\tif ((plen < sizeof(struct sctp_paramhdr)) ||\n\t\t (offset + plen > length))","\t\t\tbreak;","\t\tif (ptype == SCTP_RANDOM) {\n\t\t\tif (plen > sizeof(random_store))\n\t\t\t\tbreak;\n\t\t\tphdr = sctp_get_next_param(m, offset,\n\t\t\t (struct sctp_paramhdr *)random_store, plen);\n\t\t\tif (phdr == NULL)\n\t\t\t\treturn;\n\t\t\t/* save the random and length for the key */\n\t\t\tp_random = (struct sctp_auth_random *)phdr;\n\t\t\trandom_len = plen - sizeof(*p_random);\n\t\t} else if (ptype == SCTP_HMAC_LIST) {\n\t\t\tuint16_t num_hmacs;\n\t\t\tuint16_t i;","\t\t\tif (plen > sizeof(hmacs_store))\n\t\t\t\tbreak;\n\t\t\tphdr = sctp_get_next_param(m, offset,\n\t\t\t (struct sctp_paramhdr *)hmacs_store, plen);\n\t\t\tif (phdr == NULL)\n\t\t\t\treturn;\n\t\t\t/* save the hmacs list and num for the key */\n\t\t\thmacs = (struct sctp_auth_hmac_algo *)phdr;\n\t\t\thmacs_len = plen - sizeof(*hmacs);\n\t\t\tnum_hmacs = hmacs_len / sizeof(hmacs->hmac_ids[0]);\n\t\t\tif (stcb->asoc.local_hmacs != NULL)\n\t\t\t\tsctp_free_hmaclist(stcb->asoc.local_hmacs);\n\t\t\tstcb->asoc.local_hmacs = sctp_alloc_hmaclist(num_hmacs);\n\t\t\tif (stcb->asoc.local_hmacs != NULL) {\n\t\t\t\tfor (i = 0; i < num_hmacs; i++) {\n\t\t\t\t\t(void)sctp_auth_add_hmacid(stcb->asoc.local_hmacs,\n\t\t\t\t\t ntohs(hmacs->hmac_ids[i]));\n\t\t\t\t}\n\t\t\t}\n\t\t} else if (ptype == SCTP_CHUNK_LIST) {\n\t\t\tint i;","\t\t\tif (plen > sizeof(chunks_store))\n\t\t\t\tbreak;\n\t\t\tphdr = sctp_get_next_param(m, offset,\n\t\t\t (struct sctp_paramhdr *)chunks_store, plen);\n\t\t\tif (phdr == NULL)\n\t\t\t\treturn;\n\t\t\tchunks = (struct sctp_auth_chunk_list *)phdr;\n\t\t\tnum_chunks = plen - sizeof(*chunks);\n\t\t\t/* save chunks list and num for the key */\n\t\t\tif (stcb->asoc.local_auth_chunks != NULL)\n\t\t\t\tsctp_clear_chunklist(stcb->asoc.local_auth_chunks);\n\t\t\telse\n\t\t\t\tstcb->asoc.local_auth_chunks = sctp_alloc_chunklist();\n\t\t\tfor (i = 0; i < num_chunks; i++) {\n\t\t\t\t(void)sctp_auth_add_chunk(chunks->chunk_types[i],\n\t\t\t\t stcb->asoc.local_auth_chunks);\n\t\t\t}\n\t\t}\n\t\t/* get next parameter */\n\t\toffset += SCTP_SIZE32(plen);\n\t\tif (offset + sizeof(struct sctp_paramhdr) > length)\n\t\t\tbreak;\n\t\tphdr = (struct sctp_paramhdr *)sctp_m_getptr(m, offset, sizeof(struct sctp_paramhdr),\n\t\t (uint8_t *)&tmp_param);\n\t}\n\t/* concatenate the full random key */\n\tkeylen = sizeof(*p_random) + random_len + sizeof(*hmacs) + hmacs_len;\n\tif (chunks != NULL) {\n\t\tkeylen += sizeof(*chunks) + num_chunks;\n\t}\n\tnew_key = sctp_alloc_key(keylen);\n\tif (new_key != NULL) {\n\t\t/* copy in the RANDOM */\n\t\tif (p_random != NULL) {\n\t\t\tkeylen = sizeof(*p_random) + random_len;\n\t\t\tmemcpy(new_key->key, p_random, keylen);\n\t\t} else {\n\t\t\tkeylen = 0;\n\t\t}\n\t\t/* append in the AUTH chunks */\n\t\tif (chunks != NULL) {\n\t\t\tmemcpy(new_key->key + keylen, chunks,\n\t\t\t sizeof(*chunks) + num_chunks);\n\t\t\tkeylen += sizeof(*chunks) + num_chunks;\n\t\t}\n\t\t/* append in the HMACs */\n\t\tif (hmacs != NULL) {\n\t\t\tmemcpy(new_key->key + keylen, hmacs,\n\t\t\t sizeof(*hmacs) + hmacs_len);\n\t\t}\n\t}\n\tif (stcb->asoc.authinfo.random != NULL)\n\t\tsctp_free_key(stcb->asoc.authinfo.random);\n\tstcb->asoc.authinfo.random = new_key;\n\tstcb->asoc.authinfo.random_len = random_len;\n\tsctp_clear_cachedkeys(stcb, stcb->asoc.authinfo.assoc_keyid);\n\tsctp_clear_cachedkeys(stcb, stcb->asoc.authinfo.recv_keyid);","\t/* negotiate what HMAC to use for the peer */\n\tstcb->asoc.peer_hmac_id = sctp_negotiate_hmacid(stcb->asoc.peer_hmacs,\n\t stcb->asoc.local_hmacs);","\t/* copy defaults from the endpoint */\n\t/* FIX ME: put in cookie? */\n\tstcb->asoc.authinfo.active_keyid = stcb->sctp_ep->sctp_ep.default_keyid;\n\t/* copy out the shared key list (by reference) from the endpoint */\n\t(void)sctp_copy_skeylist(&stcb->sctp_ep->sctp_ep.shared_keys,\n\t\t\t\t &stcb->asoc.shared_keys);\n}","/*\n * compute and fill in the HMAC digest for a packet\n */\nvoid\nsctp_fill_hmac_digest_m(struct mbuf *m, uint32_t auth_offset,\n struct sctp_auth_chunk *auth, struct sctp_tcb *stcb, uint16_t keyid)\n{\n\tuint32_t digestlen;\n\tsctp_sharedkey_t *skey;\n\tsctp_key_t *key;","\tif ((stcb == NULL) || (auth == NULL))\n\t\treturn;","\t/* zero the digest + chunk padding */\n\tdigestlen = sctp_get_hmac_digest_len(stcb->asoc.peer_hmac_id);\n\tmemset(auth->hmac, 0, SCTP_SIZE32(digestlen));","\t/* is the desired key cached? */\n\tif ((keyid != stcb->asoc.authinfo.assoc_keyid) ||\n\t (stcb->asoc.authinfo.assoc_key == NULL)) {\n\t\tif (stcb->asoc.authinfo.assoc_key != NULL) {\n\t\t\t/* free the old cached key */\n\t\t\tsctp_free_key(stcb->asoc.authinfo.assoc_key);\n\t\t}\n\t\tskey = sctp_find_sharedkey(&stcb->asoc.shared_keys, keyid);\n\t\t/* the only way skey is NULL is if null key id 0 is used */\n\t\tif (skey != NULL)\n\t\t\tkey = skey->key;\n\t\telse\n\t\t\tkey = NULL;\n\t\t/* compute a new assoc key and cache it */\n\t\tstcb->asoc.authinfo.assoc_key =\n\t\t sctp_compute_hashkey(stcb->asoc.authinfo.random,\n\t\t\t\t\t stcb->asoc.authinfo.peer_random, key);\n\t\tstcb->asoc.authinfo.assoc_keyid = keyid;\n\t\tSCTPDBG(SCTP_DEBUG_AUTH1, \"caching key id %u\\n\",\n\t\t\tstcb->asoc.authinfo.assoc_keyid);\n#ifdef SCTP_DEBUG\n\t\tif (SCTP_AUTH_DEBUG)\n\t\t\tsctp_print_key(stcb->asoc.authinfo.assoc_key,\n\t\t\t\t \"Assoc Key\");\n#endif\n\t}","\t/* set in the active key id */\n\tauth->shared_key_id = htons(keyid);","\t/* compute and fill in the digest */\n\t(void)sctp_compute_hmac_m(stcb->asoc.peer_hmac_id, stcb->asoc.authinfo.assoc_key,\n\t\t\t\t m, auth_offset, auth->hmac);\n}","\nstatic void\nsctp_zero_m(struct mbuf *m, uint32_t m_offset, uint32_t size)\n{\n\tstruct mbuf *m_tmp;\n\tuint8_t *data;","\t/* sanity check */\n\tif (m == NULL)\n\t\treturn;","\t/* find the correct starting mbuf and offset (get start position) */\n\tm_tmp = m;\n\twhile ((m_tmp != NULL) && (m_offset >= (uint32_t) SCTP_BUF_LEN(m_tmp))) {\n\t\tm_offset -= SCTP_BUF_LEN(m_tmp);\n\t\tm_tmp = SCTP_BUF_NEXT(m_tmp);\n\t}\n\t/* now use the rest of the mbuf chain */\n\twhile ((m_tmp != NULL) && (size > 0)) {\n\t\tdata = mtod(m_tmp, uint8_t *) + m_offset;\n\t\tif (size > (uint32_t)(SCTP_BUF_LEN(m_tmp) - m_offset)) {\n\t\t\tmemset(data, 0, SCTP_BUF_LEN(m_tmp) - m_offset);\n\t\t\tsize -= SCTP_BUF_LEN(m_tmp) - m_offset;\n\t\t} else {\n\t\t\tmemset(data, 0, size);\n\t\t\tsize = 0;\n\t\t}\n\t\t/* clear the offset since it's only for the first mbuf */\n\t\tm_offset = 0;\n\t\tm_tmp = SCTP_BUF_NEXT(m_tmp);\n\t}\n}","/*-\n * process the incoming Authentication chunk\n * return codes:\n * -1 on any authentication error\n * 0 on authentication verification\n */\nint\nsctp_handle_auth(struct sctp_tcb *stcb, struct sctp_auth_chunk *auth,\n struct mbuf *m, uint32_t offset)\n{\n\tuint16_t chunklen;\n\tuint16_t shared_key_id;\n\tuint16_t hmac_id;\n\tsctp_sharedkey_t *skey;\n\tuint32_t digestlen;\n\tuint8_t digest[SCTP_AUTH_DIGEST_LEN_MAX];\n\tuint8_t computed_digest[SCTP_AUTH_DIGEST_LEN_MAX];","\t/* auth is checked for NULL by caller */\n\tchunklen = ntohs(auth->ch.chunk_length);\n\tif (chunklen < sizeof(*auth)) {\n\t\tSCTP_STAT_INCR(sctps_recvauthfailed);\n\t\treturn (-1);\n\t}\n\tSCTP_STAT_INCR(sctps_recvauth);","\t/* get the auth params */\n\tshared_key_id = ntohs(auth->shared_key_id);\n\thmac_id = ntohs(auth->hmac_id);\n\tSCTPDBG(SCTP_DEBUG_AUTH1,\n\t\t\"SCTP AUTH Chunk: shared key %u, HMAC id %u\\n\",\n\t\tshared_key_id, hmac_id);","\t/* is the indicated HMAC supported? */\n\tif (!sctp_auth_is_supported_hmac(stcb->asoc.local_hmacs, hmac_id)) {\n\t\tstruct mbuf *op_err;\n\t\tstruct sctp_error_auth_invalid_hmac *cause;","\t\tSCTP_STAT_INCR(sctps_recvivalhmacid);\n\t\tSCTPDBG(SCTP_DEBUG_AUTH1,\n\t\t\t\"SCTP Auth: unsupported HMAC id %u\\n\",\n\t\t\thmac_id);\n\t\t/*\n\t\t * report this in an Error Chunk: Unsupported HMAC\n\t\t * Identifier\n\t\t */\n\t\top_err = sctp_get_mbuf_for_msg(sizeof(struct sctp_error_auth_invalid_hmac),\n\t\t 0, M_NOWAIT, 1, MT_HEADER);\n\t\tif (op_err != NULL) {\n\t\t\t/* pre-reserve some space */\n\t\t\tSCTP_BUF_RESV_UF(op_err, sizeof(struct sctp_chunkhdr));\n\t\t\t/* fill in the error */\n\t\t\tcause = mtod(op_err, struct sctp_error_auth_invalid_hmac *);\n\t\t\tcause->cause.code = htons(SCTP_CAUSE_UNSUPPORTED_HMACID);\n\t\t\tcause->cause.length = htons(sizeof(struct sctp_error_auth_invalid_hmac));\n\t\t\tcause->hmac_id = ntohs(hmac_id);\n\t\t\tSCTP_BUF_LEN(op_err) = sizeof(struct sctp_error_auth_invalid_hmac);\n\t\t\t/* queue it */\n\t\t\tsctp_queue_op_err(stcb, op_err);\n\t\t}\n\t\treturn (-1);\n\t}\n\t/* get the indicated shared key, if available */\n\tif ((stcb->asoc.authinfo.recv_key == NULL) ||\n\t (stcb->asoc.authinfo.recv_keyid != shared_key_id)) {\n\t\t/* find the shared key on the assoc first */\n\t\tskey = sctp_find_sharedkey(&stcb->asoc.shared_keys,\n\t\t\t\t\t shared_key_id);\n\t\t/* if the shared key isn't found, discard the chunk */\n\t\tif (skey == NULL) {\n\t\t\tSCTP_STAT_INCR(sctps_recvivalkeyid);\n\t\t\tSCTPDBG(SCTP_DEBUG_AUTH1,\n\t\t\t\t\"SCTP Auth: unknown key id %u\\n\",\n\t\t\t\tshared_key_id);\n\t\t\treturn (-1);\n\t\t}\n\t\t/* generate a notification if this is a new key id */\n\t\tif (stcb->asoc.authinfo.recv_keyid != shared_key_id)\n\t\t\t/*\n\t\t\t * sctp_ulp_notify(SCTP_NOTIFY_AUTH_NEW_KEY, stcb,\n\t\t\t * shared_key_id, (void\n\t\t\t * *)stcb->asoc.authinfo.recv_keyid);\n\t\t\t */\n\t\t\tsctp_notify_authentication(stcb, SCTP_AUTH_NEW_KEY,\n\t\t\t shared_key_id, stcb->asoc.authinfo.recv_keyid,\n\t\t\t SCTP_SO_NOT_LOCKED);\n\t\t/* compute a new recv assoc key and cache it */\n\t\tif (stcb->asoc.authinfo.recv_key != NULL)\n\t\t\tsctp_free_key(stcb->asoc.authinfo.recv_key);\n\t\tstcb->asoc.authinfo.recv_key =\n\t\t sctp_compute_hashkey(stcb->asoc.authinfo.random,\n\t\t stcb->asoc.authinfo.peer_random, skey->key);\n\t\tstcb->asoc.authinfo.recv_keyid = shared_key_id;\n#ifdef SCTP_DEBUG\n\t\tif (SCTP_AUTH_DEBUG)\n\t\t\tsctp_print_key(stcb->asoc.authinfo.recv_key, \"Recv Key\");\n#endif\n\t}\n\t/* validate the digest length */\n\tdigestlen = sctp_get_hmac_digest_len(hmac_id);\n\tif (chunklen < (sizeof(*auth) + digestlen)) {\n\t\t/* invalid digest length */\n\t\tSCTP_STAT_INCR(sctps_recvauthfailed);\n\t\tSCTPDBG(SCTP_DEBUG_AUTH1,\n\t\t\t\"SCTP Auth: chunk too short for HMAC\\n\");\n\t\treturn (-1);\n\t}\n\t/* save a copy of the digest, zero the pseudo header, and validate */\n\tmemcpy(digest, auth->hmac, digestlen);\n\tsctp_zero_m(m, offset + sizeof(*auth), SCTP_SIZE32(digestlen));\n\t(void)sctp_compute_hmac_m(hmac_id, stcb->asoc.authinfo.recv_key,\n\t m, offset, computed_digest);","#if defined(__Userspace__)\n#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION\n\treturn (0);\n#endif\n#endif\n\t/* compare the computed digest with the one in the AUTH chunk */\n\tif (timingsafe_bcmp(digest, computed_digest, digestlen) != 0) {\n\t\tSCTP_STAT_INCR(sctps_recvauthfailed);\n\t\tSCTPDBG(SCTP_DEBUG_AUTH1,\n\t\t\t\"SCTP Auth: HMAC digest check failed\\n\");\n\t\treturn (-1);\n\t}\n\treturn (0);\n}","/*\n * Generate NOTIFICATION\n */\nvoid\nsctp_notify_authentication(struct sctp_tcb *stcb, uint32_t indication,\n\t\t\t uint16_t keyid, uint16_t alt_keyid, int so_locked\n#if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING)\n\tSCTP_UNUSED\n#endif\n)\n{\n\tstruct mbuf *m_notify;\n\tstruct sctp_authkey_event *auth;\n\tstruct sctp_queued_to_read *control;","\tif ((stcb == NULL) ||\n\t (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) ||\n\t (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||\n\t (stcb->asoc.state & SCTP_STATE_CLOSED_SOCKET)\n\t\t) {\n\t\t/* If the socket is gone we are out of here */\n\t\treturn;\n\t}","\tif (sctp_stcb_is_feature_off(stcb->sctp_ep, stcb, SCTP_PCB_FLAGS_AUTHEVNT))\n\t\t/* event not enabled */\n\t\treturn;","\tm_notify = sctp_get_mbuf_for_msg(sizeof(struct sctp_authkey_event),\n\t\t\t\t\t 0, M_NOWAIT, 1, MT_HEADER);\n\tif (m_notify == NULL)\n\t\t/* no space left */\n\t\treturn;","\tSCTP_BUF_LEN(m_notify) = 0;\n\tauth = mtod(m_notify, struct sctp_authkey_event *);\n\tmemset(auth, 0, sizeof(struct sctp_authkey_event));\n\tauth->auth_type = SCTP_AUTHENTICATION_EVENT;\n\tauth->auth_flags = 0;\n\tauth->auth_length = sizeof(*auth);\n\tauth->auth_keynumber = keyid;\n\tauth->auth_altkeynumber = alt_keyid;\n\tauth->auth_indication = indication;\n\tauth->auth_assoc_id = sctp_get_associd(stcb);","\tSCTP_BUF_LEN(m_notify) = sizeof(*auth);\n\tSCTP_BUF_NEXT(m_notify) = NULL;","\t/* append to socket */\n\tcontrol = sctp_build_readq_entry(stcb, stcb->asoc.primary_destination,\n\t 0, 0, stcb->asoc.context, 0, 0, 0, m_notify);\n\tif (control == NULL) {\n\t\t/* no memory */\n\t\tsctp_m_freem(m_notify);\n\t\treturn;\n\t}\n\tcontrol->length = SCTP_BUF_LEN(m_notify);\n\tcontrol->spec_flags = M_NOTIFICATION;\n\t/* not that we need this */\n\tcontrol->tail_mbuf = m_notify;\n\tsctp_add_to_readq(stcb->sctp_ep, stcb, control,\n\t &stcb->sctp_socket->so_rcv, 1, SCTP_READ_LOCK_NOT_HELD, so_locked);\n}","\n/*-\n * validates the AUTHentication related parameters in an INIT/INIT-ACK\n * Note: currently only used for INIT as INIT-ACK is handled inline\n * with sctp_load_addresses_from_init()\n */\nint\nsctp_validate_init_auth_params(struct mbuf *m, int offset, int limit)\n{\n\tstruct sctp_paramhdr *phdr, param_buf;\n\tuint16_t ptype, plen;\n\tint peer_supports_asconf = 0;\n\tint peer_supports_auth = 0;\n\tint got_random = 0, got_hmacs = 0, got_chklist = 0;\n\tuint8_t saw_asconf = 0;\n\tuint8_t saw_asconf_ack = 0;","\t/* go through each of the params. */\n\tphdr = sctp_get_next_param(m, offset, ¶m_buf, sizeof(param_buf));\n\twhile (phdr) {\n\t\tptype = ntohs(phdr->param_type);\n\t\tplen = ntohs(phdr->param_length);","\t\tif (offset + plen > limit) {\n\t\t\tbreak;\n\t\t}\n\t\tif (plen < sizeof(struct sctp_paramhdr)) {\n\t\t\tbreak;\n\t\t}\n\t\tif (ptype == SCTP_SUPPORTED_CHUNK_EXT) {\n\t\t\t/* A supported extension chunk */\n\t\t\tstruct sctp_supported_chunk_types_param *pr_supported;\n\t\t\tuint8_t local_store[SCTP_SMALL_CHUNK_STORE];\n\t\t\tint num_ent, i;","\t\t\tif (plen > sizeof(local_store)) {\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\tphdr = sctp_get_next_param(m, offset,\n\t\t\t (struct sctp_paramhdr *)&local_store,\n\t\t\t plen);\n\t\t\tif (phdr == NULL) {\n\t\t\t\treturn (-1);\n\t\t\t}\n\t\t\tpr_supported = (struct sctp_supported_chunk_types_param *)phdr;\n\t\t\tnum_ent = plen - sizeof(struct sctp_paramhdr);\n\t\t\tfor (i = 0; i < num_ent; i++) {\n\t\t\t\tswitch (pr_supported->chunk_types[i]) {\n\t\t\t\tcase SCTP_ASCONF:\n\t\t\t\tcase SCTP_ASCONF_ACK:\n\t\t\t\t\tpeer_supports_asconf = 1;\n\t\t\t\t\tbreak;\n\t\t\t\tdefault:\n\t\t\t\t\t/* one we don't care about */\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t} else if (ptype == SCTP_RANDOM) {\n\t\t\t/* enforce the random length */\n\t\t\tif (plen != (sizeof(struct sctp_auth_random) +\n\t\t\t\t SCTP_AUTH_RANDOM_SIZE_REQUIRED)) {\n\t\t\t\tSCTPDBG(SCTP_DEBUG_AUTH1,\n\t\t\t\t\t\"SCTP: invalid RANDOM len\\n\");\n\t\t\t\treturn (-1);\n\t\t\t}\n\t\t\tgot_random = 1;\n\t\t} else if (ptype == SCTP_HMAC_LIST) {\n\t\t\tstruct sctp_auth_hmac_algo *hmacs;\n\t\t\tuint8_t store[SCTP_PARAM_BUFFER_SIZE];\n\t\t\tint num_hmacs;","\t\t\tif (plen > sizeof(store)) {\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\tphdr = sctp_get_next_param(m, offset,\n\t\t\t (struct sctp_paramhdr *)store,\n\t\t\t plen);\n\t\t\tif (phdr == NULL) {\n\t\t\t\treturn (-1);\n\t\t\t}\n\t\t\thmacs = (struct sctp_auth_hmac_algo *)phdr;\n\t\t\tnum_hmacs = (plen - sizeof(*hmacs)) / sizeof(hmacs->hmac_ids[0]);\n\t\t\t/* validate the hmac list */\n\t\t\tif (sctp_verify_hmac_param(hmacs, num_hmacs)) {\n\t\t\t\tSCTPDBG(SCTP_DEBUG_AUTH1,\n\t\t\t\t\t\"SCTP: invalid HMAC param\\n\");\n\t\t\t\treturn (-1);\n\t\t\t}\n\t\t\tgot_hmacs = 1;\n\t\t} else if (ptype == SCTP_CHUNK_LIST) {\n\t\t\tstruct sctp_auth_chunk_list *chunks;\n\t\t\tuint8_t chunks_store[SCTP_SMALL_CHUNK_STORE];\n\t\t\tint i, num_chunks;","\t\t\tif (plen > sizeof(chunks_store)) {\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\tphdr = sctp_get_next_param(m, offset,\n\t\t\t\t\t\t (struct sctp_paramhdr *)chunks_store,\n\t\t\t\t\t\t plen);\n\t\t\tif (phdr == NULL) {\n\t\t\t\treturn (-1);\n\t\t\t}\n\t\t\t/*-\n\t\t\t * Flip through the list and mark that the\n\t\t\t * peer supports asconf/asconf_ack.\n\t\t\t */\n\t\t\tchunks = (struct sctp_auth_chunk_list *)phdr;\n\t\t\tnum_chunks = plen - sizeof(*chunks);\n\t\t\tfor (i = 0; i < num_chunks; i++) {\n\t\t\t\t/* record asconf/asconf-ack if listed */\n\t\t\t\tif (chunks->chunk_types[i] == SCTP_ASCONF)\n\t\t\t\t\tsaw_asconf = 1;\n\t\t\t\tif (chunks->chunk_types[i] == SCTP_ASCONF_ACK)\n\t\t\t\t\tsaw_asconf_ack = 1;","\t\t\t}\n\t\t\tif (num_chunks)\n\t\t\t\tgot_chklist = 1;\n\t\t}","\t\toffset += SCTP_SIZE32(plen);\n\t\tif (offset >= limit) {\n\t\t\tbreak;\n\t\t}\n\t\tphdr = sctp_get_next_param(m, offset, ¶m_buf,\n\t\t sizeof(param_buf));\n\t}\n\t/* validate authentication required parameters */\n\tif (got_random && got_hmacs) {\n\t\tpeer_supports_auth = 1;\n\t} else {\n\t\tpeer_supports_auth = 0;\n\t}\n\tif (!peer_supports_auth && got_chklist) {\n\t\tSCTPDBG(SCTP_DEBUG_AUTH1,\n\t\t\t\"SCTP: peer sent chunk list w/o AUTH\\n\");\n\t\treturn (-1);\n\t}\n\tif (peer_supports_asconf && !peer_supports_auth) {\n\t\tSCTPDBG(SCTP_DEBUG_AUTH1,\n\t\t\t\"SCTP: peer supports ASCONF but not AUTH\\n\");\n\t\treturn (-1);\n\t} else if ((peer_supports_asconf) && (peer_supports_auth) &&\n\t\t ((saw_asconf == 0) || (saw_asconf_ack == 0))) {\n\t\treturn (-2);\n\t}\n\treturn (0);\n}","void\nsctp_initialize_auth_params(struct sctp_inpcb *inp, struct sctp_tcb *stcb)\n{\n\tuint16_t chunks_len = 0;\n\tuint16_t hmacs_len = 0;\n\tuint16_t random_len = SCTP_AUTH_RANDOM_SIZE_DEFAULT;\n\tsctp_key_t *new_key;\n\tuint16_t keylen;","\t/* initialize hmac list from endpoint */\n\tstcb->asoc.local_hmacs = sctp_copy_hmaclist(inp->sctp_ep.local_hmacs);\n\tif (stcb->asoc.local_hmacs != NULL) {\n\t\thmacs_len = stcb->asoc.local_hmacs->num_algo *\n\t\t sizeof(stcb->asoc.local_hmacs->hmac[0]);\n\t}\n\t/* initialize auth chunks list from endpoint */\n\tstcb->asoc.local_auth_chunks =\n\t sctp_copy_chunklist(inp->sctp_ep.local_auth_chunks);\n\tif (stcb->asoc.local_auth_chunks != NULL) {\n\t\tint i;\n\t\tfor (i = 0; i < 256; i++) {\n\t\t\tif (stcb->asoc.local_auth_chunks->chunks[i])\n\t\t\t\tchunks_len++;\n\t\t}\n\t}\n\t/* copy defaults from the endpoint */\n\tstcb->asoc.authinfo.active_keyid = inp->sctp_ep.default_keyid;","\t/* copy out the shared key list (by reference) from the endpoint */\n\t(void)sctp_copy_skeylist(&inp->sctp_ep.shared_keys,\n\t\t\t\t &stcb->asoc.shared_keys);","\t/* now set the concatenated key (random + chunks + hmacs) */\n\t/* key includes parameter headers */\n\tkeylen = (3 * sizeof(struct sctp_paramhdr)) + random_len + chunks_len +\n\t hmacs_len;\n\tnew_key = sctp_alloc_key(keylen);\n\tif (new_key != NULL) {\n\t\tstruct sctp_paramhdr *ph;\n\t\tint plen;\n\t\t/* generate and copy in the RANDOM */\n\t\tph = (struct sctp_paramhdr *)new_key->key;\n\t\tph->param_type = htons(SCTP_RANDOM);\n\t\tplen = sizeof(*ph) + random_len;\n\t\tph->param_length = htons(plen);\n\t\tSCTP_READ_RANDOM(new_key->key + sizeof(*ph), random_len);\n\t\tkeylen = plen;","\t\t/* append in the AUTH chunks */\n\t\t/* NOTE: currently we always have chunks to list */\n\t\tph = (struct sctp_paramhdr *)(new_key->key + keylen);\n\t\tph->param_type = htons(SCTP_CHUNK_LIST);\n\t\tplen = sizeof(*ph) + chunks_len;\n\t\tph->param_length = htons(plen);\n\t\tkeylen += sizeof(*ph);\n\t\tif (stcb->asoc.local_auth_chunks) {\n\t\t\tint i;\n\t\t\tfor (i = 0; i < 256; i++) {\n\t\t\t\tif (stcb->asoc.local_auth_chunks->chunks[i])\n\t\t\t\t\tnew_key->key[keylen++] = i;\n\t\t\t}\n\t\t}","\t\t/* append in the HMACs */\n\t\tph = (struct sctp_paramhdr *)(new_key->key + keylen);\n\t\tph->param_type = htons(SCTP_HMAC_LIST);\n\t\tplen = sizeof(*ph) + hmacs_len;\n\t\tph->param_length = htons(plen);\n\t\tkeylen += sizeof(*ph);\n\t\t(void)sctp_serialize_hmaclist(stcb->asoc.local_hmacs,\n\t\t\t\t\tnew_key->key + keylen);\n\t}\n\tif (stcb->asoc.authinfo.random != NULL)\n\t sctp_free_key(stcb->asoc.authinfo.random);\n\tstcb->asoc.authinfo.random = new_key;\n\tstcb->asoc.authinfo.random_len = random_len;\n}","\n#ifdef SCTP_HMAC_TEST\n/*\n * HMAC and key concatenation tests\n */\nstatic void\nsctp_print_digest(uint8_t *digest, uint32_t digestlen, const char *str)\n{\n\tuint32_t i;","\tSCTP_PRINTF(\"\\n%s: 0x\", str);\n\tif (digest == NULL)\n\t\treturn;","\tfor (i = 0; i < digestlen; i++)\n\t\tSCTP_PRINTF(\"%02x\", digest[i]);\n}","static int\nsctp_test_hmac(const char *str, uint16_t hmac_id, uint8_t *key,\n uint32_t keylen, uint8_t *text, uint32_t textlen,\n uint8_t *digest, uint32_t digestlen)\n{\n\tuint8_t computed_digest[SCTP_AUTH_DIGEST_LEN_MAX];","\tSCTP_PRINTF(\"\\n%s:\", str);\n\tsctp_hmac(hmac_id, key, keylen, text, textlen, computed_digest);\n\tsctp_print_digest(digest, digestlen, \"Expected digest\");\n\tsctp_print_digest(computed_digest, digestlen, \"Computed digest\");\n\tif (memcmp(digest, computed_digest, digestlen) != 0) {\n\t\tSCTP_PRINTF(\"\\nFAILED\");\n\t\treturn (-1);\n\t} else {\n\t\tSCTP_PRINTF(\"\\nPASSED\");\n\t\treturn (0);\n\t}\n}","\n/*\n * RFC 2202: HMAC-SHA1 test cases\n */\nvoid\nsctp_test_hmac_sha1(void)\n{\n\tuint8_t *digest;\n\tuint8_t key[128];\n\tuint32_t keylen;\n\tuint8_t text[128];\n\tuint32_t textlen;\n\tuint32_t digestlen = 20;\n\tint failed = 0;","\t/*-\n\t * test_case = 1\n\t * key = 0x0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b\n\t * key_len = 20\n\t * data = \"Hi There\"\n\t * data_len = 8\n\t * digest = 0xb617318655057264e28bc0b6fb378c8ef146be00\n\t */\n\tkeylen = 20;\n\tmemset(key, 0x0b, keylen);\n\ttextlen = 8;\n\tstrcpy(text, \"Hi There\");\n\tdigest = \"\\xb6\\x17\\x31\\x86\\x55\\x05\\x72\\x64\\xe2\\x8b\\xc0\\xb6\\xfb\\x37\\x8c\\x8e\\xf1\\x46\\xbe\\x00\";\n\tif (sctp_test_hmac(\"SHA1 test case 1\", SCTP_AUTH_HMAC_ID_SHA1, key, keylen,\n\t text, textlen, digest, digestlen) < 0)\n\t\tfailed++;","\t/*-\n\t * test_case = 2\n\t * key = \"Jefe\"\n\t * key_len = 4\n\t * data = \"what do ya want for nothing?\"\n\t * data_len = 28\n\t * digest = 0xeffcdf6ae5eb2fa2d27416d5f184df9c259a7c79\n\t */\n\tkeylen = 4;\n\tstrcpy(key, \"Jefe\");\n\ttextlen = 28;\n\tstrcpy(text, \"what do ya want for nothing?\");\n\tdigest = \"\\xef\\xfc\\xdf\\x6a\\xe5\\xeb\\x2f\\xa2\\xd2\\x74\\x16\\xd5\\xf1\\x84\\xdf\\x9c\\x25\\x9a\\x7c\\x79\";\n\tif (sctp_test_hmac(\"SHA1 test case 2\", SCTP_AUTH_HMAC_ID_SHA1, key, keylen,\n\t text, textlen, digest, digestlen) < 0)\n\t\tfailed++;","\t/*-\n\t * test_case = 3\n\t * key = 0xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n\t * key_len = 20\n\t * data = 0xdd repeated 50 times\n\t * data_len = 50\n\t * digest = 0x125d7342b9ac11cd91a39af48aa17b4f63f175d3\n\t */\n\tkeylen = 20;\n\tmemset(key, 0xaa, keylen);\n\ttextlen = 50;\n\tmemset(text, 0xdd, textlen);\n\tdigest = \"\\x12\\x5d\\x73\\x42\\xb9\\xac\\x11\\xcd\\x91\\xa3\\x9a\\xf4\\x8a\\xa1\\x7b\\x4f\\x63\\xf1\\x75\\xd3\";\n\tif (sctp_test_hmac(\"SHA1 test case 3\", SCTP_AUTH_HMAC_ID_SHA1, key, keylen,\n\t text, textlen, digest, digestlen) < 0)\n\t\tfailed++;","\t/*-\n\t * test_case = 4\n\t * key = 0x0102030405060708090a0b0c0d0e0f10111213141516171819\n\t * key_len = 25\n\t * data = 0xcd repeated 50 times\n\t * data_len = 50\n\t * digest = 0x4c9007f4026250c6bc8414f9bf50c86c2d7235da\n\t */\n\tkeylen = 25;\n\tmemcpy(key, \"\\x01\\x02\\x03\\x04\\x05\\x06\\x07\\x08\\x09\\x0a\\x0b\\x0c\\x0d\\x0e\\x0f\\x10\\x11\\x12\\x13\\x14\\x15\\x16\\x17\\x18\\x19\", keylen);\n\ttextlen = 50;\n\tmemset(text, 0xcd, textlen);\n\tdigest = \"\\x4c\\x90\\x07\\xf4\\x02\\x62\\x50\\xc6\\xbc\\x84\\x14\\xf9\\xbf\\x50\\xc8\\x6c\\x2d\\x72\\x35\\xda\";\n\tif (sctp_test_hmac(\"SHA1 test case 4\", SCTP_AUTH_HMAC_ID_SHA1, key, keylen,\n\t text, textlen, digest, digestlen) < 0)\n\t\tfailed++;","\t/*-\n\t * test_case = 5\n\t * key = 0x0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c\n\t * key_len = 20\n\t * data = \"Test With Truncation\"\n\t * data_len = 20\n\t * digest = 0x4c1a03424b55e07fe7f27be1d58bb9324a9a5a04\n\t * digest-96 = 0x4c1a03424b55e07fe7f27be1\n\t */\n\tkeylen = 20;\n\tmemset(key, 0x0c, keylen);\n\ttextlen = 20;\n\tstrcpy(text, \"Test With Truncation\");\n\tdigest = \"\\x4c\\x1a\\x03\\x42\\x4b\\x55\\xe0\\x7f\\xe7\\xf2\\x7b\\xe1\\xd5\\x8b\\xb9\\x32\\x4a\\x9a\\x5a\\x04\";\n\tif (sctp_test_hmac(\"SHA1 test case 5\", SCTP_AUTH_HMAC_ID_SHA1, key, keylen,\n\t text, textlen, digest, digestlen) < 0)\n\t\tfailed++;","\t/*-\n\t * test_case = 6\n\t * key = 0xaa repeated 80 times\n\t * key_len = 80\n\t * data = \"Test Using Larger Than Block-Size Key - Hash Key First\"\n\t * data_len = 54\n\t * digest = 0xaa4ae5e15272d00e95705637ce8a3b55ed402112\n\t */\n\tkeylen = 80;\n\tmemset(key, 0xaa, keylen);\n\ttextlen = 54;\n\tstrcpy(text, \"Test Using Larger Than Block-Size Key - Hash Key First\");\n\tdigest = \"\\xaa\\x4a\\xe5\\xe1\\x52\\x72\\xd0\\x0e\\x95\\x70\\x56\\x37\\xce\\x8a\\x3b\\x55\\xed\\x40\\x21\\x12\";\n\tif (sctp_test_hmac(\"SHA1 test case 6\", SCTP_AUTH_HMAC_ID_SHA1, key, keylen,\n\t text, textlen, digest, digestlen) < 0)\n\t\tfailed++;","\t/*-\n\t * test_case = 7\n\t * key = 0xaa repeated 80 times\n\t * key_len = 80\n\t * data = \"Test Using Larger Than Block-Size Key and Larger Than One Block-Size Data\"\n\t * data_len = 73\n\t * digest = 0xe8e99d0f45237d786d6bbaa7965c7808bbff1a91\n\t */\n\tkeylen = 80;\n\tmemset(key, 0xaa, keylen);\n\ttextlen = 73;\n\tstrcpy(text, \"Test Using Larger Than Block-Size Key and Larger Than One Block-Size Data\");\n\tdigest = \"\\xe8\\xe9\\x9d\\x0f\\x45\\x23\\x7d\\x78\\x6d\\x6b\\xba\\xa7\\x96\\x5c\\x78\\x08\\xbb\\xff\\x1a\\x91\";\n\tif (sctp_test_hmac(\"SHA1 test case 7\", SCTP_AUTH_HMAC_ID_SHA1, key, keylen,\n\t text, textlen, digest, digestlen) < 0)\n\t\tfailed++;","\t/* done with all tests */\n\tif (failed)\n\t\tSCTP_PRINTF(\"\\nSHA1 test results: %d cases failed\", failed);\n\telse\n\t\tSCTP_PRINTF(\"\\nSHA1 test results: all test cases passed\");\n}","/*\n * test assoc key concatenation\n */\nstatic int\nsctp_test_key_concatenation(sctp_key_t *key1, sctp_key_t *key2,\n sctp_key_t *expected_key)\n{\n\tsctp_key_t *key;\n\tint ret_val;","\tsctp_show_key(key1, \"\\nkey1\");\n\tsctp_show_key(key2, \"\\nkey2\");\n\tkey = sctp_compute_hashkey(key1, key2, NULL);\n\tsctp_show_key(expected_key, \"\\nExpected\");\n\tsctp_show_key(key, \"\\nComputed\");\n\tif (memcmp(key, expected_key, expected_key->keylen) != 0) {\n\t\tSCTP_PRINTF(\"\\nFAILED\");\n\t\tret_val = -1;\n\t} else {\n\t\tSCTP_PRINTF(\"\\nPASSED\");\n\t\tret_val = 0;\n\t}\n\tsctp_free_key(key1);\n\tsctp_free_key(key2);\n\tsctp_free_key(expected_key);\n\tsctp_free_key(key);\n\treturn (ret_val);\n}","\nvoid\nsctp_test_authkey(void)\n{\n\tsctp_key_t *key1, *key2, *expected_key;\n\tint failed = 0;","\t/* test case 1 */\n\tkey1 = sctp_set_key(\"\\x01\\x01\\x01\\x01\", 4);\n\tkey2 = sctp_set_key(\"\\x01\\x02\\x03\\x04\", 4);\n\texpected_key = sctp_set_key(\"\\x01\\x01\\x01\\x01\\x01\\x02\\x03\\x04\", 8);\n\tif (sctp_test_key_concatenation(key1, key2, expected_key) < 0)\n\t\tfailed++;","\t/* test case 2 */\n\tkey1 = sctp_set_key(\"\\x00\\x00\\x00\\x01\", 4);\n\tkey2 = sctp_set_key(\"\\x02\", 1);\n\texpected_key = sctp_set_key(\"\\x00\\x00\\x00\\x01\\x02\", 5);\n\tif (sctp_test_key_concatenation(key1, key2, expected_key) < 0)\n\t\tfailed++;","\t/* test case 3 */\n\tkey1 = sctp_set_key(\"\\x01\", 1);\n\tkey2 = sctp_set_key(\"\\x00\\x00\\x00\\x02\", 4);\n\texpected_key = sctp_set_key(\"\\x01\\x00\\x00\\x00\\x02\", 5);\n\tif (sctp_test_key_concatenation(key1, key2, expected_key) < 0)\n\t\tfailed++;","\t/* test case 4 */\n\tkey1 = sctp_set_key(\"\\x00\\x00\\x00\\x01\", 4);\n\tkey2 = sctp_set_key(\"\\x01\", 1);\n\texpected_key = sctp_set_key(\"\\x01\\x00\\x00\\x00\\x01\", 5);\n\tif (sctp_test_key_concatenation(key1, key2, expected_key) < 0)\n\t\tfailed++;","\t/* test case 5 */\n\tkey1 = sctp_set_key(\"\\x01\", 1);\n\tkey2 = sctp_set_key(\"\\x00\\x00\\x00\\x01\", 4);\n\texpected_key = sctp_set_key(\"\\x01\\x00\\x00\\x00\\x01\", 5);\n\tif (sctp_test_key_concatenation(key1, key2, expected_key) < 0)\n\t\tfailed++;","\t/* test case 6 */\n\tkey1 = sctp_set_key(\"\\x00\\x00\\x00\\x00\\x01\\x02\\x03\\x04\\x05\\x06\\x07\", 11);\n\tkey2 = sctp_set_key(\"\\x00\\x00\\x00\\x00\\x01\\x02\\x03\\x04\\x05\\x06\\x08\", 11);\n\texpected_key = sctp_set_key(\"\\x00\\x00\\x00\\x00\\x01\\x02\\x03\\x04\\x05\\x06\\x07\\x00\\x00\\x00\\x00\\x01\\x02\\x03\\x04\\x05\\x06\\x08\", 22);\n\tif (sctp_test_key_concatenation(key1, key2, expected_key) < 0)\n\t\tfailed++;","\t/* test case 7 */\n\tkey1 = sctp_set_key(\"\\x00\\x00\\x00\\x00\\x01\\x02\\x03\\x04\\x05\\x06\\x08\", 11);\n\tkey2 = sctp_set_key(\"\\x00\\x00\\x00\\x00\\x01\\x02\\x03\\x04\\x05\\x06\\x07\", 11);\n\texpected_key = sctp_set_key(\"\\x00\\x00\\x00\\x00\\x01\\x02\\x03\\x04\\x05\\x06\\x07\\x00\\x00\\x00\\x00\\x01\\x02\\x03\\x04\\x05\\x06\\x08\", 22);\n\tif (sctp_test_key_concatenation(key1, key2, expected_key) < 0)\n\t\tfailed++;","\t/* done with all tests */\n\tif (failed)\n\t\tSCTP_PRINTF(\"\\nKey concatenation test results: %d cases failed\", failed);\n\telse\n\t\tSCTP_PRINTF(\"\\nKey concatenation test results: all test cases passed\");\n}","\n#if defined(STANDALONE_HMAC_TEST)\nint\nmain(void)\n{\n\tsctp_test_hmac_sha1();\n\tsctp_test_authkey();\n}","#endif /* STANDALONE_HMAC_TEST */","#endif /* SCTP_HMAC_TEST */"],"string":"[\n \"/*-\\n * SPDX-License-Identifier: BSD-3-Clause\\n *\\n * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved.\\n * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.\\n * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.\\n *\\n * Redistribution and use in source and binary forms, with or without\\n * modification, are permitted provided that the following conditions are met:\\n *\\n * a) Redistributions of source code must retain the above copyright notice,\\n * this list of conditions and the following disclaimer.\\n *\\n * b) Redistributions in binary form must reproduce the above copyright\\n * notice, this list of conditions and the following disclaimer in\\n * the documentation and/or other materials provided with the distribution.\\n *\\n * c) Neither the name of Cisco Systems, Inc. nor the names of its\\n * contributors may be used to endorse or promote products derived\\n * from this software without specific prior written permission.\\n *\\n * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\\n * \\\"AS IS\\\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,\\n * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\\n * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\\n * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\\n * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\\n * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\\n * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\\n * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\\n * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF\\n * THE POSSIBILITY OF SUCH DAMAGE.\\n */\",\n \"#ifdef __FreeBSD__\\n#include <sys/cdefs.h>\",\n \"__FBSDID(\\\"$FreeBSD: head/sys/netinet/sctp_auth.c 355931 2019-12-20 15:25:08Z tuexen $\\\");\",\n \"#endif\",\n \"#include <netinet/sctp_os.h>\\n#include <netinet/sctp.h>\\n#include <netinet/sctp_header.h>\\n#include <netinet/sctp_pcb.h>\\n#include <netinet/sctp_var.h>\\n#include <netinet/sctp_sysctl.h>\\n#include <netinet/sctputil.h>\\n#include <netinet/sctp_indata.h>\\n#include <netinet/sctp_output.h>\\n#include <netinet/sctp_auth.h>\",\n \"#ifdef SCTP_DEBUG\\n#define SCTP_AUTH_DEBUG\\t\\t(SCTP_BASE_SYSCTL(sctp_debug_on) & SCTP_DEBUG_AUTH1)\\n#define SCTP_AUTH_DEBUG2\\t(SCTP_BASE_SYSCTL(sctp_debug_on) & SCTP_DEBUG_AUTH2)\\n#endif /* SCTP_DEBUG */\",\n \"\\nvoid\\nsctp_clear_chunklist(sctp_auth_chklist_t *chklist)\\n{\\n\\tmemset(chklist, 0, sizeof(*chklist));\\n\\t/* chklist->num_chunks = 0; */\\n}\",\n \"sctp_auth_chklist_t *\\nsctp_alloc_chunklist(void)\\n{\\n\\tsctp_auth_chklist_t *chklist;\",\n \"\\tSCTP_MALLOC(chklist, sctp_auth_chklist_t *, sizeof(*chklist),\\n\\t\\t SCTP_M_AUTH_CL);\\n\\tif (chklist == NULL) {\\n\\t\\tSCTPDBG(SCTP_DEBUG_AUTH1, \\\"sctp_alloc_chunklist: failed to get memory!\\\\n\\\");\\n\\t} else {\\n\\t\\tsctp_clear_chunklist(chklist);\\n\\t}\\n\\treturn (chklist);\\n}\",\n \"void\\nsctp_free_chunklist(sctp_auth_chklist_t *list)\\n{\\n\\tif (list != NULL)\\n\\t\\tSCTP_FREE(list, SCTP_M_AUTH_CL);\\n}\",\n \"sctp_auth_chklist_t *\\nsctp_copy_chunklist(sctp_auth_chklist_t *list)\\n{\\n\\tsctp_auth_chklist_t *new_list;\",\n \"\\tif (list == NULL)\\n\\t\\treturn (NULL);\",\n \"\\t/* get a new list */\\n\\tnew_list = sctp_alloc_chunklist();\\n\\tif (new_list == NULL)\\n\\t\\treturn (NULL);\\n\\t/* copy it */\\n\\tmemcpy(new_list, list, sizeof(*new_list));\",\n \"\\treturn (new_list);\\n}\",\n \"\\n/*\\n * add a chunk to the required chunks list\\n */\\nint\\nsctp_auth_add_chunk(uint8_t chunk, sctp_auth_chklist_t *list)\\n{\\n\\tif (list == NULL)\\n\\t\\treturn (-1);\",\n \"\\t/* is chunk restricted? */\\n\\tif ((chunk == SCTP_INITIATION) ||\\n\\t (chunk == SCTP_INITIATION_ACK) ||\\n\\t (chunk == SCTP_SHUTDOWN_COMPLETE) ||\\n\\t (chunk == SCTP_AUTHENTICATION)) {\\n\\t\\treturn (-1);\\n\\t}\\n\\tif (list->chunks[chunk] == 0) {\\n\\t\\tlist->chunks[chunk] = 1;\\n\\t\\tlist->num_chunks++;\\n\\t\\tSCTPDBG(SCTP_DEBUG_AUTH1,\\n\\t\\t\\t\\\"SCTP: added chunk %u (0x%02x) to Auth list\\\\n\\\",\\n\\t\\t\\tchunk, chunk);\\n\\t}\\n\\treturn (0);\\n}\",\n \"/*\\n * delete a chunk from the required chunks list\\n */\\nint\\nsctp_auth_delete_chunk(uint8_t chunk, sctp_auth_chklist_t *list)\\n{\\n\\tif (list == NULL)\\n\\t\\treturn (-1);\",\n \"\\tif (list->chunks[chunk] == 1) {\\n\\t\\tlist->chunks[chunk] = 0;\\n\\t\\tlist->num_chunks--;\\n\\t\\tSCTPDBG(SCTP_DEBUG_AUTH1,\\n\\t\\t\\t\\\"SCTP: deleted chunk %u (0x%02x) from Auth list\\\\n\\\",\\n\\t\\t\\tchunk, chunk);\\n\\t}\\n\\treturn (0);\\n}\",\n \"size_t\\nsctp_auth_get_chklist_size(const sctp_auth_chklist_t *list)\\n{\\n\\tif (list == NULL)\\n\\t\\treturn (0);\\n\\telse\\n\\t\\treturn (list->num_chunks);\\n}\",\n \"/*\\n * return the current number and list of required chunks caller must\\n * guarantee ptr has space for up to 256 bytes\\n */\\nint\\nsctp_serialize_auth_chunks(const sctp_auth_chklist_t *list, uint8_t *ptr)\\n{\\n\\tint i, count = 0;\",\n \"\\tif (list == NULL)\\n\\t\\treturn (0);\",\n \"\\tfor (i = 0; i < 256; i++) {\\n\\t\\tif (list->chunks[i] != 0) {\\n\\t\\t\\t*ptr++ = i;\\n\\t\\t\\tcount++;\\n\\t\\t}\\n\\t}\\n\\treturn (count);\\n}\",\n \"int\\nsctp_pack_auth_chunks(const sctp_auth_chklist_t *list, uint8_t *ptr)\\n{\\n\\tint i, size = 0;\",\n \"\\tif (list == NULL)\\n\\t\\treturn (0);\",\n \"\\tif (list->num_chunks <= 32) {\\n\\t\\t/* just list them, one byte each */\\n\\t\\tfor (i = 0; i < 256; i++) {\\n\\t\\t\\tif (list->chunks[i] != 0) {\\n\\t\\t\\t\\t*ptr++ = i;\\n\\t\\t\\t\\tsize++;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t} else {\\n\\t\\tint index, offset;\",\n \"\\t\\t/* pack into a 32 byte bitfield */\\n\\t\\tfor (i = 0; i < 256; i++) {\\n\\t\\t\\tif (list->chunks[i] != 0) {\\n\\t\\t\\t\\tindex = i / 8;\\n\\t\\t\\t\\toffset = i % 8;\\n\\t\\t\\t\\tptr[index] |= (1 << offset);\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\tsize = 32;\\n\\t}\\n\\treturn (size);\\n}\",\n \"int\\nsctp_unpack_auth_chunks(const uint8_t *ptr, uint8_t num_chunks,\\n sctp_auth_chklist_t *list)\\n{\\n\\tint i;\\n\\tint size;\",\n \"\\tif (list == NULL)\\n\\t\\treturn (0);\",\n \"\\tif (num_chunks <= 32) {\\n\\t\\t/* just pull them, one byte each */\\n\\t\\tfor (i = 0; i < num_chunks; i++) {\\n\\t\\t\\t(void)sctp_auth_add_chunk(*ptr++, list);\\n\\t\\t}\\n\\t\\tsize = num_chunks;\\n\\t} else {\\n\\t\\tint index, offset;\",\n \"\\t\\t/* unpack from a 32 byte bitfield */\\n\\t\\tfor (index = 0; index < 32; index++) {\\n\\t\\t\\tfor (offset = 0; offset < 8; offset++) {\\n\\t\\t\\t\\tif (ptr[index] & (1 << offset)) {\\n\\t\\t\\t\\t\\t(void)sctp_auth_add_chunk((index * 8) + offset, list);\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\tsize = 32;\\n\\t}\\n\\treturn (size);\\n}\",\n \"\\n/*\\n * allocate structure space for a key of length keylen\\n */\\nsctp_key_t *\\nsctp_alloc_key(uint32_t keylen)\\n{\\n\\tsctp_key_t *new_key;\",\n \"\\tSCTP_MALLOC(new_key, sctp_key_t *, sizeof(*new_key) + keylen,\\n\\t\\t SCTP_M_AUTH_KY);\\n\\tif (new_key == NULL) {\\n\\t\\t/* out of memory */\\n\\t\\treturn (NULL);\\n\\t}\\n\\tnew_key->keylen = keylen;\\n\\treturn (new_key);\\n}\",\n \"void\\nsctp_free_key(sctp_key_t *key)\\n{\\n\\tif (key != NULL)\\n\\t\\tSCTP_FREE(key,SCTP_M_AUTH_KY);\\n}\",\n \"void\\nsctp_print_key(sctp_key_t *key, const char *str)\\n{\\n\\tuint32_t i;\",\n \"\\tif (key == NULL) {\\n\\t\\tSCTP_PRINTF(\\\"%s: [Null key]\\\\n\\\", str);\\n\\t\\treturn;\\n\\t}\\n\\tSCTP_PRINTF(\\\"%s: len %u, \\\", str, key->keylen);\\n\\tif (key->keylen) {\\n\\t\\tfor (i = 0; i < key->keylen; i++)\\n\\t\\t\\tSCTP_PRINTF(\\\"%02x\\\", key->key[i]);\\n\\t\\tSCTP_PRINTF(\\\"\\\\n\\\");\\n\\t} else {\\n\\t\\tSCTP_PRINTF(\\\"[Null key]\\\\n\\\");\\n\\t}\\n}\",\n \"void\\nsctp_show_key(sctp_key_t *key, const char *str)\\n{\\n\\tuint32_t i;\",\n \"\\tif (key == NULL) {\\n\\t\\tSCTP_PRINTF(\\\"%s: [Null key]\\\\n\\\", str);\\n\\t\\treturn;\\n\\t}\\n\\tSCTP_PRINTF(\\\"%s: len %u, \\\", str, key->keylen);\\n\\tif (key->keylen) {\\n\\t\\tfor (i = 0; i < key->keylen; i++)\\n\\t\\t\\tSCTP_PRINTF(\\\"%02x\\\", key->key[i]);\\n\\t\\tSCTP_PRINTF(\\\"\\\\n\\\");\\n\\t} else {\\n\\t\\tSCTP_PRINTF(\\\"[Null key]\\\\n\\\");\\n\\t}\\n}\",\n \"static uint32_t\\nsctp_get_keylen(sctp_key_t *key)\\n{\\n\\tif (key != NULL)\\n\\t\\treturn (key->keylen);\\n\\telse\\n\\t\\treturn (0);\\n}\",\n \"/*\\n * generate a new random key of length 'keylen'\\n */\\nsctp_key_t *\\nsctp_generate_random_key(uint32_t keylen)\\n{\\n\\tsctp_key_t *new_key;\",\n \"\\tnew_key = sctp_alloc_key(keylen);\\n\\tif (new_key == NULL) {\\n\\t\\t/* out of memory */\\n\\t\\treturn (NULL);\\n\\t}\\n\\tSCTP_READ_RANDOM(new_key->key, keylen);\\n\\tnew_key->keylen = keylen;\\n\\treturn (new_key);\\n}\",\n \"sctp_key_t *\\nsctp_set_key(uint8_t *key, uint32_t keylen)\\n{\\n\\tsctp_key_t *new_key;\",\n \"\\tnew_key = sctp_alloc_key(keylen);\\n\\tif (new_key == NULL) {\\n\\t\\t/* out of memory */\\n\\t\\treturn (NULL);\\n\\t}\\n\\tmemcpy(new_key->key, key, keylen);\\n\\treturn (new_key);\\n}\",\n \"/*-\\n * given two keys of variable size, compute which key is \\\"larger/smaller\\\"\\n * returns: 1 if key1 > key2\\n * -1 if key1 < key2\\n * 0 if key1 = key2\\n */\\nstatic int\\nsctp_compare_key(sctp_key_t *key1, sctp_key_t *key2)\\n{\\n\\tuint32_t maxlen;\\n\\tuint32_t i;\\n\\tuint32_t key1len, key2len;\\n\\tuint8_t *key_1, *key_2;\\n\\tuint8_t val1, val2;\",\n \"\\t/* sanity/length check */\\n\\tkey1len = sctp_get_keylen(key1);\\n\\tkey2len = sctp_get_keylen(key2);\\n\\tif ((key1len == 0) && (key2len == 0))\\n\\t\\treturn (0);\\n\\telse if (key1len == 0)\\n\\t\\treturn (-1);\\n\\telse if (key2len == 0)\\n\\t\\treturn (1);\",\n \"\\tif (key1len < key2len) {\\n\\t\\tmaxlen = key2len;\\n\\t} else {\\n\\t\\tmaxlen = key1len;\\n\\t}\\n\\tkey_1 = key1->key;\\n\\tkey_2 = key2->key;\\n\\t/* check for numeric equality */\\n\\tfor (i = 0; i < maxlen; i++) {\\n\\t\\t/* left-pad with zeros */\\n\\t\\tval1 = (i < (maxlen - key1len)) ? 0 : *(key_1++);\\n\\t\\tval2 = (i < (maxlen - key2len)) ? 0 : *(key_2++);\\n\\t\\tif (val1 > val2) {\\n\\t\\t\\treturn (1);\\n\\t\\t} else if (val1 < val2) {\\n\\t\\t\\treturn (-1);\\n\\t\\t}\\n\\t}\\n\\t/* keys are equal value, so check lengths */\\n\\tif (key1len == key2len)\\n\\t\\treturn (0);\\n\\telse if (key1len < key2len)\\n\\t\\treturn (-1);\\n\\telse\\n\\t\\treturn (1);\\n}\",\n \"/*\\n * generate the concatenated keying material based on the two keys and the\\n * shared key (if available). draft-ietf-tsvwg-auth specifies the specific\\n * order for concatenation\\n */\\nsctp_key_t *\\nsctp_compute_hashkey(sctp_key_t *key1, sctp_key_t *key2, sctp_key_t *shared)\\n{\\n\\tuint32_t keylen;\\n\\tsctp_key_t *new_key;\\n\\tuint8_t *key_ptr;\",\n \"\\tkeylen = sctp_get_keylen(key1) + sctp_get_keylen(key2) +\\n\\t sctp_get_keylen(shared);\",\n \"\\tif (keylen > 0) {\\n\\t\\t/* get space for the new key */\\n\\t\\tnew_key = sctp_alloc_key(keylen);\\n\\t\\tif (new_key == NULL) {\\n\\t\\t\\t/* out of memory */\\n\\t\\t\\treturn (NULL);\\n\\t\\t}\\n\\t\\tnew_key->keylen = keylen;\\n\\t\\tkey_ptr = new_key->key;\\n\\t} else {\\n\\t\\t/* all keys empty/null?! */\\n\\t\\treturn (NULL);\\n\\t}\",\n \"\\t/* concatenate the keys */\\n\\tif (sctp_compare_key(key1, key2) <= 0) {\\n\\t\\t/* key is shared + key1 + key2 */\\n\\t\\tif (sctp_get_keylen(shared)) {\\n\\t\\t\\tmemcpy(key_ptr, shared->key, shared->keylen);\\n\\t\\t\\tkey_ptr += shared->keylen;\\n\\t\\t}\\n\\t\\tif (sctp_get_keylen(key1)) {\\n\\t\\t\\tmemcpy(key_ptr, key1->key, key1->keylen);\\n\\t\\t\\tkey_ptr += key1->keylen;\\n\\t\\t}\\n\\t\\tif (sctp_get_keylen(key2)) {\\n\\t\\t\\tmemcpy(key_ptr, key2->key, key2->keylen);\\n\\t\\t}\\n\\t} else {\\n\\t\\t/* key is shared + key2 + key1 */\\n\\t\\tif (sctp_get_keylen(shared)) {\\n\\t\\t\\tmemcpy(key_ptr, shared->key, shared->keylen);\\n\\t\\t\\tkey_ptr += shared->keylen;\\n\\t\\t}\\n\\t\\tif (sctp_get_keylen(key2)) {\\n\\t\\t\\tmemcpy(key_ptr, key2->key, key2->keylen);\\n\\t\\t\\tkey_ptr += key2->keylen;\\n\\t\\t}\\n\\t\\tif (sctp_get_keylen(key1)) {\\n\\t\\t\\tmemcpy(key_ptr, key1->key, key1->keylen);\\n\\t\\t}\\n\\t}\\n\\treturn (new_key);\\n}\",\n \"\\nsctp_sharedkey_t *\\nsctp_alloc_sharedkey(void)\\n{\\n\\tsctp_sharedkey_t *new_key;\",\n \"\\tSCTP_MALLOC(new_key, sctp_sharedkey_t *, sizeof(*new_key),\\n\\t\\t SCTP_M_AUTH_KY);\\n\\tif (new_key == NULL) {\\n\\t\\t/* out of memory */\\n\\t\\treturn (NULL);\\n\\t}\\n\\tnew_key->keyid = 0;\\n\\tnew_key->key = NULL;\\n\\tnew_key->refcount = 1;\\n\\tnew_key->deactivated = 0;\\n\\treturn (new_key);\\n}\",\n \"void\\nsctp_free_sharedkey(sctp_sharedkey_t *skey)\\n{\\n\\tif (skey == NULL)\\n\\t\\treturn;\",\n \"\\tif (SCTP_DECREMENT_AND_CHECK_REFCOUNT(&skey->refcount)) {\\n\\t\\tif (skey->key != NULL)\\n\\t\\t\\tsctp_free_key(skey->key);\\n\\t\\tSCTP_FREE(skey, SCTP_M_AUTH_KY);\\n\\t}\\n}\",\n \"sctp_sharedkey_t *\\nsctp_find_sharedkey(struct sctp_keyhead *shared_keys, uint16_t key_id)\\n{\\n\\tsctp_sharedkey_t *skey;\",\n \"\\tLIST_FOREACH(skey, shared_keys, next) {\\n\\t\\tif (skey->keyid == key_id)\\n\\t\\t\\treturn (skey);\\n\\t}\\n\\treturn (NULL);\\n}\",\n \"int\\nsctp_insert_sharedkey(struct sctp_keyhead *shared_keys,\\n\\t\\t sctp_sharedkey_t *new_skey)\\n{\\n\\tsctp_sharedkey_t *skey;\",\n \"\\tif ((shared_keys == NULL) || (new_skey == NULL))\\n\\t\\treturn (EINVAL);\",\n \"\\t/* insert into an empty list? */\\n\\tif (LIST_EMPTY(shared_keys)) {\\n\\t\\tLIST_INSERT_HEAD(shared_keys, new_skey, next);\\n\\t\\treturn (0);\\n\\t}\\n\\t/* insert into the existing list, ordered by key id */\\n\\tLIST_FOREACH(skey, shared_keys, next) {\\n\\t\\tif (new_skey->keyid < skey->keyid) {\\n\\t\\t\\t/* insert it before here */\\n\\t\\t\\tLIST_INSERT_BEFORE(skey, new_skey, next);\\n\\t\\t\\treturn (0);\\n\\t\\t} else if (new_skey->keyid == skey->keyid) {\\n\\t\\t\\t/* replace the existing key */\\n\\t\\t\\t/* verify this key *can* be replaced */\\n\\t\\t\\tif ((skey->deactivated) || (skey->refcount > 1)) {\\n\\t\\t\\t\\tSCTPDBG(SCTP_DEBUG_AUTH1,\\n\\t\\t\\t\\t\\t\\\"can't replace shared key id %u\\\\n\\\",\\n\\t\\t\\t\\t\\tnew_skey->keyid);\\n\\t\\t\\t\\treturn (EBUSY);\\n\\t\\t\\t}\\n\\t\\t\\tSCTPDBG(SCTP_DEBUG_AUTH1,\\n\\t\\t\\t\\t\\\"replacing shared key id %u\\\\n\\\",\\n\\t\\t\\t\\tnew_skey->keyid);\\n\\t\\t\\tLIST_INSERT_BEFORE(skey, new_skey, next);\\n\\t\\t\\tLIST_REMOVE(skey, next);\\n\\t\\t\\tsctp_free_sharedkey(skey);\\n\\t\\t\\treturn (0);\\n\\t\\t}\\n\\t\\tif (LIST_NEXT(skey, next) == NULL) {\\n\\t\\t\\t/* belongs at the end of the list */\\n\\t\\t\\tLIST_INSERT_AFTER(skey, new_skey, next);\\n\\t\\t\\treturn (0);\\n\\t\\t}\\n\\t}\\n\\t/* shouldn't reach here */\\n\\treturn (EINVAL);\\n}\",\n \"void\\nsctp_auth_key_acquire(struct sctp_tcb *stcb, uint16_t key_id)\\n{\\n\\tsctp_sharedkey_t *skey;\",\n \"\\t/* find the shared key */\\n\\tskey = sctp_find_sharedkey(&stcb->asoc.shared_keys, key_id);\",\n \"\\t/* bump the ref count */\\n\\tif (skey) {\\n\\t\\tatomic_add_int(&skey->refcount, 1);\\n\\t\\tSCTPDBG(SCTP_DEBUG_AUTH2,\\n\\t\\t\\t\\\"%s: stcb %p key %u refcount acquire to %d\\\\n\\\",\\n\\t\\t\\t__func__, (void *)stcb, key_id, skey->refcount);\\n\\t}\\n}\",\n \"void\\nsctp_auth_key_release(struct sctp_tcb *stcb, uint16_t key_id, int so_locked\\n#if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING)\\n\\tSCTP_UNUSED\\n#endif\\n)\\n{\\n\\tsctp_sharedkey_t *skey;\",\n \"\\t/* find the shared key */\\n\\tskey = sctp_find_sharedkey(&stcb->asoc.shared_keys, key_id);\",\n \"\\t/* decrement the ref count */\\n\\tif (skey) {\\n\\t\\tSCTPDBG(SCTP_DEBUG_AUTH2,\\n\\t\\t\\t\\\"%s: stcb %p key %u refcount release to %d\\\\n\\\",\\n\\t\\t\\t__func__, (void *)stcb, key_id, skey->refcount);\",\n \"\\t\\t/* see if a notification should be generated */\\n\\t\\tif ((skey->refcount <= 2) && (skey->deactivated)) {\\n\\t\\t\\t/* notify ULP that key is no longer used */\\n\\t\\t\\tsctp_ulp_notify(SCTP_NOTIFY_AUTH_FREE_KEY, stcb,\\n\\t\\t\\t\\t\\tkey_id, 0, so_locked);\\n\\t\\t\\tSCTPDBG(SCTP_DEBUG_AUTH2,\\n\\t\\t\\t\\t\\\"%s: stcb %p key %u no longer used, %d\\\\n\\\",\\n\\t\\t\\t\\t__func__, (void *)stcb, key_id, skey->refcount);\\n\\t\\t}\\n\\t\\tsctp_free_sharedkey(skey);\\n\\t}\\n}\",\n \"static sctp_sharedkey_t *\\nsctp_copy_sharedkey(const sctp_sharedkey_t *skey)\\n{\\n\\tsctp_sharedkey_t *new_skey;\",\n \"\\tif (skey == NULL)\\n\\t\\treturn (NULL);\\n\\tnew_skey = sctp_alloc_sharedkey();\\n\\tif (new_skey == NULL)\\n\\t\\treturn (NULL);\\n\\tif (skey->key != NULL)\\n\\t\\tnew_skey->key = sctp_set_key(skey->key->key, skey->key->keylen);\\n\\telse\\n\\t\\tnew_skey->key = NULL;\\n\\tnew_skey->keyid = skey->keyid;\\n\\treturn (new_skey);\\n}\",\n \"int\\nsctp_copy_skeylist(const struct sctp_keyhead *src, struct sctp_keyhead *dest)\\n{\\n\\tsctp_sharedkey_t *skey, *new_skey;\\n\\tint count = 0;\",\n \"\\tif ((src == NULL) || (dest == NULL))\\n\\t\\treturn (0);\\n\\tLIST_FOREACH(skey, src, next) {\\n\\t\\tnew_skey = sctp_copy_sharedkey(skey);\\n\\t\\tif (new_skey != NULL) {\\n\\t\\t\\tif (sctp_insert_sharedkey(dest, new_skey)) {\\n\\t\\t\\t\\tsctp_free_sharedkey(new_skey);\\n\\t\\t\\t} else {\\n\\t\\t\\t\\tcount++;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n\\treturn (count);\\n}\",\n \"\\nsctp_hmaclist_t *\\nsctp_alloc_hmaclist(uint16_t num_hmacs)\\n{\\n\\tsctp_hmaclist_t *new_list;\\n\\tint alloc_size;\",\n \"\\talloc_size = sizeof(*new_list) + num_hmacs * sizeof(new_list->hmac[0]);\\n\\tSCTP_MALLOC(new_list, sctp_hmaclist_t *, alloc_size,\\n\\t\\t SCTP_M_AUTH_HL);\\n\\tif (new_list == NULL) {\\n\\t\\t/* out of memory */\\n\\t\\treturn (NULL);\\n\\t}\\n\\tnew_list->max_algo = num_hmacs;\\n\\tnew_list->num_algo = 0;\\n\\treturn (new_list);\\n}\",\n \"void\\nsctp_free_hmaclist(sctp_hmaclist_t *list)\\n{\\n\\tif (list != NULL) {\\n\\t\\tSCTP_FREE(list,SCTP_M_AUTH_HL);\\n\\t\\tlist = NULL;\\n\\t}\\n}\",\n \"int\\nsctp_auth_add_hmacid(sctp_hmaclist_t *list, uint16_t hmac_id)\\n{\\n\\tint i;\\n\\tif (list == NULL)\\n\\t\\treturn (-1);\\n\\tif (list->num_algo == list->max_algo) {\\n\\t\\tSCTPDBG(SCTP_DEBUG_AUTH1,\\n\\t\\t\\t\\\"SCTP: HMAC id list full, ignoring add %u\\\\n\\\", hmac_id);\\n\\t\\treturn (-1);\\n\\t}\\n#if defined(SCTP_SUPPORT_HMAC_SHA256)\\n\\tif ((hmac_id != SCTP_AUTH_HMAC_ID_SHA1) &&\\n\\t (hmac_id != SCTP_AUTH_HMAC_ID_SHA256)) {\\n#else\\n\\tif (hmac_id != SCTP_AUTH_HMAC_ID_SHA1) {\\n#endif\\n\\t\\treturn (-1);\\n\\t}\\n\\t/* Now is it already in the list */\\n\\tfor (i = 0; i < list->num_algo; i++) {\\n\\t\\tif (list->hmac[i] == hmac_id) {\\n\\t\\t\\t/* already in list */\\n\\t\\t\\treturn (-1);\\n\\t\\t}\\n\\t}\\n\\tSCTPDBG(SCTP_DEBUG_AUTH1, \\\"SCTP: add HMAC id %u to list\\\\n\\\", hmac_id);\\n\\tlist->hmac[list->num_algo++] = hmac_id;\\n\\treturn (0);\\n}\",\n \"sctp_hmaclist_t *\\nsctp_copy_hmaclist(sctp_hmaclist_t *list)\\n{\\n\\tsctp_hmaclist_t *new_list;\\n\\tint i;\",\n \"\\tif (list == NULL)\\n\\t\\treturn (NULL);\\n\\t/* get a new list */\\n\\tnew_list = sctp_alloc_hmaclist(list->max_algo);\\n\\tif (new_list == NULL)\\n\\t\\treturn (NULL);\\n\\t/* copy it */\\n\\tnew_list->max_algo = list->max_algo;\\n\\tnew_list->num_algo = list->num_algo;\\n\\tfor (i = 0; i < list->num_algo; i++)\\n\\t\\tnew_list->hmac[i] = list->hmac[i];\\n\\treturn (new_list);\\n}\",\n \"sctp_hmaclist_t *\\nsctp_default_supported_hmaclist(void)\\n{\\n\\tsctp_hmaclist_t *new_list;\",\n \"#if defined(SCTP_SUPPORT_HMAC_SHA256)\\n\\tnew_list = sctp_alloc_hmaclist(2);\\n#else\\n\\tnew_list = sctp_alloc_hmaclist(1);\\n#endif\\n\\tif (new_list == NULL)\\n\\t\\treturn (NULL);\\n#if defined(SCTP_SUPPORT_HMAC_SHA256)\\n\\t/* We prefer SHA256, so list it first */\\n\\t(void)sctp_auth_add_hmacid(new_list, SCTP_AUTH_HMAC_ID_SHA256);\\n#endif\\n\\t(void)sctp_auth_add_hmacid(new_list, SCTP_AUTH_HMAC_ID_SHA1);\\n\\treturn (new_list);\\n}\",\n \"/*-\\n * HMAC algos are listed in priority/preference order\\n * find the best HMAC id to use for the peer based on local support\\n */\\nuint16_t\\nsctp_negotiate_hmacid(sctp_hmaclist_t *peer, sctp_hmaclist_t *local)\\n{\\n\\tint i, j;\",\n \"\\tif ((local == NULL) || (peer == NULL))\\n\\t\\treturn (SCTP_AUTH_HMAC_ID_RSVD);\",\n \"\\tfor (i = 0; i < peer->num_algo; i++) {\\n\\t\\tfor (j = 0; j < local->num_algo; j++) {\\n\\t\\t\\tif (peer->hmac[i] == local->hmac[j]) {\\n\\t\\t\\t\\t/* found the \\\"best\\\" one */\\n\\t\\t\\t\\tSCTPDBG(SCTP_DEBUG_AUTH1,\\n\\t\\t\\t\\t\\t\\\"SCTP: negotiated peer HMAC id %u\\\\n\\\",\\n\\t\\t\\t\\t\\tpeer->hmac[i]);\\n\\t\\t\\t\\treturn (peer->hmac[i]);\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n\\t/* didn't find one! */\\n\\treturn (SCTP_AUTH_HMAC_ID_RSVD);\\n}\",\n \"/*-\\n * serialize the HMAC algo list and return space used\\n * caller must guarantee ptr has appropriate space\\n */\\nint\\nsctp_serialize_hmaclist(sctp_hmaclist_t *list, uint8_t *ptr)\\n{\\n\\tint i;\\n\\tuint16_t hmac_id;\",\n \"\\tif (list == NULL)\\n\\t\\treturn (0);\",\n \"\\tfor (i = 0; i < list->num_algo; i++) {\\n\\t\\thmac_id = htons(list->hmac[i]);\\n\\t\\tmemcpy(ptr, &hmac_id, sizeof(hmac_id));\\n\\t\\tptr += sizeof(hmac_id);\\n\\t}\\n\\treturn (list->num_algo * sizeof(hmac_id));\\n}\",\n \"int\\nsctp_verify_hmac_param (struct sctp_auth_hmac_algo *hmacs, uint32_t num_hmacs)\\n{\\n\\tuint32_t i;\",\n \"\\tfor (i = 0; i < num_hmacs; i++) {\\n\\t\\tif (ntohs(hmacs->hmac_ids[i]) == SCTP_AUTH_HMAC_ID_SHA1) {\\n\\t\\t\\treturn (0);\\n\\t\\t}\\n\\t}\\n\\treturn (-1);\\n}\",\n \"sctp_authinfo_t *\\nsctp_alloc_authinfo(void)\\n{\\n\\tsctp_authinfo_t *new_authinfo;\",\n \"\\tSCTP_MALLOC(new_authinfo, sctp_authinfo_t *, sizeof(*new_authinfo),\\n\\t\\t SCTP_M_AUTH_IF);\",\n \"\\tif (new_authinfo == NULL) {\\n\\t\\t/* out of memory */\\n\\t\\treturn (NULL);\\n\\t}\\n\\tmemset(new_authinfo, 0, sizeof(*new_authinfo));\\n\\treturn (new_authinfo);\\n}\",\n \"void\\nsctp_free_authinfo(sctp_authinfo_t *authinfo)\\n{\\n\\tif (authinfo == NULL)\\n\\t\\treturn;\",\n \"\\tif (authinfo->random != NULL)\\n\\t\\tsctp_free_key(authinfo->random);\\n\\tif (authinfo->peer_random != NULL)\\n\\t\\tsctp_free_key(authinfo->peer_random);\\n\\tif (authinfo->assoc_key != NULL)\\n\\t\\tsctp_free_key(authinfo->assoc_key);\\n\\tif (authinfo->recv_key != NULL)\\n\\t\\tsctp_free_key(authinfo->recv_key);\",\n \"\\t/* We are NOT dynamically allocating authinfo's right now... */\\n\\t/* SCTP_FREE(authinfo, SCTP_M_AUTH_??); */\\n}\",\n \"\\nuint32_t\\nsctp_get_auth_chunk_len(uint16_t hmac_algo)\\n{\\n\\tint size;\",\n \"\\tsize = sizeof(struct sctp_auth_chunk) + sctp_get_hmac_digest_len(hmac_algo);\\n\\treturn (SCTP_SIZE32(size));\\n}\",\n \"uint32_t\\nsctp_get_hmac_digest_len(uint16_t hmac_algo)\\n{\\n\\tswitch (hmac_algo) {\\n\\tcase SCTP_AUTH_HMAC_ID_SHA1:\\n\\t\\treturn (SCTP_AUTH_DIGEST_LEN_SHA1);\\n#if defined(SCTP_SUPPORT_HMAC_SHA256)\\n\\tcase SCTP_AUTH_HMAC_ID_SHA256:\\n\\t\\treturn (SCTP_AUTH_DIGEST_LEN_SHA256);\\n#endif\\n\\tdefault:\\n\\t\\t/* unknown HMAC algorithm: can't do anything */\\n\\t\\treturn (0);\\n\\t} /* end switch */\\n}\",\n \"static inline int\\nsctp_get_hmac_block_len(uint16_t hmac_algo)\\n{\\n\\tswitch (hmac_algo) {\\n\\tcase SCTP_AUTH_HMAC_ID_SHA1:\\n\\t\\treturn (64);\\n#if defined(SCTP_SUPPORT_HMAC_SHA256)\\n\\tcase SCTP_AUTH_HMAC_ID_SHA256:\\n\\t\\treturn (64);\\n#endif\\n\\tcase SCTP_AUTH_HMAC_ID_RSVD:\\n\\tdefault:\\n\\t\\t/* unknown HMAC algorithm: can't do anything */\\n\\t\\treturn (0);\\n\\t} /* end switch */\\n}\",\n \"#if defined(__Userspace__)\\n/* __Userspace__ SHA1_Init is defined in libcrypto.a (libssl-dev on Ubuntu) */\\n#endif\\nstatic void\\nsctp_hmac_init(uint16_t hmac_algo, sctp_hash_context_t *ctx)\\n{\\n\\tswitch (hmac_algo) {\\n\\tcase SCTP_AUTH_HMAC_ID_SHA1:\\n\\t\\tSCTP_SHA1_INIT(&ctx->sha1);\\n\\t\\tbreak;\\n#if defined(SCTP_SUPPORT_HMAC_SHA256)\\n\\tcase SCTP_AUTH_HMAC_ID_SHA256:\\n\\t\\tSCTP_SHA256_INIT(&ctx->sha256);\\n\\t\\tbreak;\\n#endif\\n\\tcase SCTP_AUTH_HMAC_ID_RSVD:\\n\\tdefault:\\n\\t\\t/* unknown HMAC algorithm: can't do anything */\\n\\t\\treturn;\\n\\t} /* end switch */\\n}\",\n \"static void\\nsctp_hmac_update(uint16_t hmac_algo, sctp_hash_context_t *ctx,\\n uint8_t *text, uint32_t textlen)\\n{\\n\\tswitch (hmac_algo) {\\n\\tcase SCTP_AUTH_HMAC_ID_SHA1:\\n\\t\\tSCTP_SHA1_UPDATE(&ctx->sha1, text, textlen);\\n\\t\\tbreak;\\n#if defined(SCTP_SUPPORT_HMAC_SHA256)\\n\\tcase SCTP_AUTH_HMAC_ID_SHA256:\\n\\t\\tSCTP_SHA256_UPDATE(&ctx->sha256, text, textlen);\\n\\t\\tbreak;\\n#endif\\n\\tcase SCTP_AUTH_HMAC_ID_RSVD:\\n\\tdefault:\\n\\t\\t/* unknown HMAC algorithm: can't do anything */\\n\\t\\treturn;\\n\\t} /* end switch */\\n}\",\n \"static void\\nsctp_hmac_final(uint16_t hmac_algo, sctp_hash_context_t *ctx,\\n uint8_t *digest)\\n{\\n\\tswitch (hmac_algo) {\\n\\tcase SCTP_AUTH_HMAC_ID_SHA1:\\n\\t\\tSCTP_SHA1_FINAL(digest, &ctx->sha1);\\n\\t\\tbreak;\\n#if defined(SCTP_SUPPORT_HMAC_SHA256)\\n\\tcase SCTP_AUTH_HMAC_ID_SHA256:\\n\\t\\tSCTP_SHA256_FINAL(digest, &ctx->sha256);\\n\\t\\tbreak;\\n#endif\\n\\tcase SCTP_AUTH_HMAC_ID_RSVD:\\n\\tdefault:\\n\\t\\t/* unknown HMAC algorithm: can't do anything */\\n\\t\\treturn;\\n\\t} /* end switch */\\n}\",\n \"/*-\\n * Keyed-Hashing for Message Authentication: FIPS 198 (RFC 2104)\\n *\\n * Compute the HMAC digest using the desired hash key, text, and HMAC\\n * algorithm. Resulting digest is placed in 'digest' and digest length\\n * is returned, if the HMAC was performed.\\n *\\n * WARNING: it is up to the caller to supply sufficient space to hold the\\n * resultant digest.\\n */\\nuint32_t\\nsctp_hmac(uint16_t hmac_algo, uint8_t *key, uint32_t keylen,\\n uint8_t *text, uint32_t textlen, uint8_t *digest)\\n{\\n\\tuint32_t digestlen;\\n\\tuint32_t blocklen;\\n\\tsctp_hash_context_t ctx;\\n\\tuint8_t ipad[128], opad[128];\\t/* keyed hash inner/outer pads */\\n\\tuint8_t temp[SCTP_AUTH_DIGEST_LEN_MAX];\\n\\tuint32_t i;\",\n \"\\t/* sanity check the material and length */\\n\\tif ((key == NULL) || (keylen == 0) || (text == NULL) ||\\n\\t (textlen == 0) || (digest == NULL)) {\\n\\t\\t/* can't do HMAC with empty key or text or digest store */\\n\\t\\treturn (0);\\n\\t}\\n\\t/* validate the hmac algo and get the digest length */\\n\\tdigestlen = sctp_get_hmac_digest_len(hmac_algo);\\n\\tif (digestlen == 0)\\n\\t\\treturn (0);\",\n \"\\t/* hash the key if it is longer than the hash block size */\\n\\tblocklen = sctp_get_hmac_block_len(hmac_algo);\\n\\tif (keylen > blocklen) {\\n\\t\\tsctp_hmac_init(hmac_algo, &ctx);\\n\\t\\tsctp_hmac_update(hmac_algo, &ctx, key, keylen);\\n\\t\\tsctp_hmac_final(hmac_algo, &ctx, temp);\\n\\t\\t/* set the hashed key as the key */\\n\\t\\tkeylen = digestlen;\\n\\t\\tkey = temp;\\n\\t}\\n\\t/* initialize the inner/outer pads with the key and \\\"append\\\" zeroes */\\n\\tmemset(ipad, 0, blocklen);\\n\\tmemset(opad, 0, blocklen);\\n\\tmemcpy(ipad, key, keylen);\\n\\tmemcpy(opad, key, keylen);\",\n \"\\t/* XOR the key with ipad and opad values */\\n\\tfor (i = 0; i < blocklen; i++) {\\n\\t\\tipad[i] ^= 0x36;\\n\\t\\topad[i] ^= 0x5c;\\n\\t}\",\n \"\\t/* perform inner hash */\\n\\tsctp_hmac_init(hmac_algo, &ctx);\\n\\tsctp_hmac_update(hmac_algo, &ctx, ipad, blocklen);\\n\\tsctp_hmac_update(hmac_algo, &ctx, text, textlen);\\n\\tsctp_hmac_final(hmac_algo, &ctx, temp);\",\n \"\\t/* perform outer hash */\\n\\tsctp_hmac_init(hmac_algo, &ctx);\\n\\tsctp_hmac_update(hmac_algo, &ctx, opad, blocklen);\\n\\tsctp_hmac_update(hmac_algo, &ctx, temp, digestlen);\\n\\tsctp_hmac_final(hmac_algo, &ctx, digest);\",\n \"\\treturn (digestlen);\\n}\",\n \"/* mbuf version */\\nuint32_t\\nsctp_hmac_m(uint16_t hmac_algo, uint8_t *key, uint32_t keylen,\\n struct mbuf *m, uint32_t m_offset, uint8_t *digest, uint32_t trailer)\\n{\\n\\tuint32_t digestlen;\\n\\tuint32_t blocklen;\\n\\tsctp_hash_context_t ctx;\\n\\tuint8_t ipad[128], opad[128];\\t/* keyed hash inner/outer pads */\\n\\tuint8_t temp[SCTP_AUTH_DIGEST_LEN_MAX];\\n\\tuint32_t i;\\n\\tstruct mbuf *m_tmp;\",\n \"\\t/* sanity check the material and length */\\n\\tif ((key == NULL) || (keylen == 0) || (m == NULL) || (digest == NULL)) {\\n\\t\\t/* can't do HMAC with empty key or text or digest store */\\n\\t\\treturn (0);\\n\\t}\\n\\t/* validate the hmac algo and get the digest length */\\n\\tdigestlen = sctp_get_hmac_digest_len(hmac_algo);\\n\\tif (digestlen == 0)\\n\\t\\treturn (0);\",\n \"\\t/* hash the key if it is longer than the hash block size */\\n\\tblocklen = sctp_get_hmac_block_len(hmac_algo);\\n\\tif (keylen > blocklen) {\\n\\t\\tsctp_hmac_init(hmac_algo, &ctx);\\n\\t\\tsctp_hmac_update(hmac_algo, &ctx, key, keylen);\\n\\t\\tsctp_hmac_final(hmac_algo, &ctx, temp);\\n\\t\\t/* set the hashed key as the key */\\n\\t\\tkeylen = digestlen;\\n\\t\\tkey = temp;\\n\\t}\\n\\t/* initialize the inner/outer pads with the key and \\\"append\\\" zeroes */\\n\\tmemset(ipad, 0, blocklen);\\n\\tmemset(opad, 0, blocklen);\\n\\tmemcpy(ipad, key, keylen);\\n\\tmemcpy(opad, key, keylen);\",\n \"\\t/* XOR the key with ipad and opad values */\\n\\tfor (i = 0; i < blocklen; i++) {\\n\\t\\tipad[i] ^= 0x36;\\n\\t\\topad[i] ^= 0x5c;\\n\\t}\",\n \"\\t/* perform inner hash */\\n\\tsctp_hmac_init(hmac_algo, &ctx);\\n\\tsctp_hmac_update(hmac_algo, &ctx, ipad, blocklen);\\n\\t/* find the correct starting mbuf and offset (get start of text) */\\n\\tm_tmp = m;\\n\\twhile ((m_tmp != NULL) && (m_offset >= (uint32_t) SCTP_BUF_LEN(m_tmp))) {\\n\\t\\tm_offset -= SCTP_BUF_LEN(m_tmp);\\n\\t\\tm_tmp = SCTP_BUF_NEXT(m_tmp);\\n\\t}\\n\\t/* now use the rest of the mbuf chain for the text */\\n\\twhile (m_tmp != NULL) {\\n\\t\\tif ((SCTP_BUF_NEXT(m_tmp) == NULL) && trailer) {\\n\\t\\t\\tsctp_hmac_update(hmac_algo, &ctx, mtod(m_tmp, uint8_t *) + m_offset,\\n\\t\\t\\t\\t\\t SCTP_BUF_LEN(m_tmp) - (trailer+m_offset));\\n\\t\\t} else {\\n\\t\\t\\tsctp_hmac_update(hmac_algo, &ctx, mtod(m_tmp, uint8_t *) + m_offset,\\n\\t\\t\\t\\t\\t SCTP_BUF_LEN(m_tmp) - m_offset);\\n\\t\\t}\",\n \"\\t\\t/* clear the offset since it's only for the first mbuf */\\n\\t\\tm_offset = 0;\\n\\t\\tm_tmp = SCTP_BUF_NEXT(m_tmp);\\n\\t}\\n\\tsctp_hmac_final(hmac_algo, &ctx, temp);\",\n \"\\t/* perform outer hash */\\n\\tsctp_hmac_init(hmac_algo, &ctx);\\n\\tsctp_hmac_update(hmac_algo, &ctx, opad, blocklen);\\n\\tsctp_hmac_update(hmac_algo, &ctx, temp, digestlen);\\n\\tsctp_hmac_final(hmac_algo, &ctx, digest);\",\n \"\\treturn (digestlen);\\n}\",\n \"/*\\n * computes the requested HMAC using a key struct (which may be modified if\\n * the keylen exceeds the HMAC block len).\\n */\\nuint32_t\\nsctp_compute_hmac(uint16_t hmac_algo, sctp_key_t *key, uint8_t *text,\\n uint32_t textlen, uint8_t *digest)\\n{\\n\\tuint32_t digestlen;\\n\\tuint32_t blocklen;\\n\\tsctp_hash_context_t ctx;\\n\\tuint8_t temp[SCTP_AUTH_DIGEST_LEN_MAX];\",\n \"\\t/* sanity check */\\n\\tif ((key == NULL) || (text == NULL) || (textlen == 0) ||\\n\\t (digest == NULL)) {\\n\\t\\t/* can't do HMAC with empty key or text or digest store */\\n\\t\\treturn (0);\\n\\t}\\n\\t/* validate the hmac algo and get the digest length */\\n\\tdigestlen = sctp_get_hmac_digest_len(hmac_algo);\\n\\tif (digestlen == 0)\\n\\t\\treturn (0);\",\n \"\\t/* hash the key if it is longer than the hash block size */\\n\\tblocklen = sctp_get_hmac_block_len(hmac_algo);\\n\\tif (key->keylen > blocklen) {\\n\\t\\tsctp_hmac_init(hmac_algo, &ctx);\\n\\t\\tsctp_hmac_update(hmac_algo, &ctx, key->key, key->keylen);\\n\\t\\tsctp_hmac_final(hmac_algo, &ctx, temp);\\n\\t\\t/* save the hashed key as the new key */\\n\\t\\tkey->keylen = digestlen;\\n\\t\\tmemcpy(key->key, temp, key->keylen);\\n\\t}\\n\\treturn (sctp_hmac(hmac_algo, key->key, key->keylen, text, textlen,\\n\\t digest));\\n}\",\n \"/* mbuf version */\\nuint32_t\\nsctp_compute_hmac_m(uint16_t hmac_algo, sctp_key_t *key, struct mbuf *m,\\n uint32_t m_offset, uint8_t *digest)\\n{\\n\\tuint32_t digestlen;\\n\\tuint32_t blocklen;\\n\\tsctp_hash_context_t ctx;\\n\\tuint8_t temp[SCTP_AUTH_DIGEST_LEN_MAX];\",\n \"\\t/* sanity check */\\n\\tif ((key == NULL) || (m == NULL) || (digest == NULL)) {\\n\\t\\t/* can't do HMAC with empty key or text or digest store */\\n\\t\\treturn (0);\\n\\t}\\n\\t/* validate the hmac algo and get the digest length */\\n\\tdigestlen = sctp_get_hmac_digest_len(hmac_algo);\\n\\tif (digestlen == 0)\\n\\t\\treturn (0);\",\n \"\\t/* hash the key if it is longer than the hash block size */\\n\\tblocklen = sctp_get_hmac_block_len(hmac_algo);\\n\\tif (key->keylen > blocklen) {\\n\\t\\tsctp_hmac_init(hmac_algo, &ctx);\\n\\t\\tsctp_hmac_update(hmac_algo, &ctx, key->key, key->keylen);\\n\\t\\tsctp_hmac_final(hmac_algo, &ctx, temp);\\n\\t\\t/* save the hashed key as the new key */\\n\\t\\tkey->keylen = digestlen;\\n\\t\\tmemcpy(key->key, temp, key->keylen);\\n\\t}\\n\\treturn (sctp_hmac_m(hmac_algo, key->key, key->keylen, m, m_offset, digest, 0));\\n}\",\n \"int\\nsctp_auth_is_supported_hmac(sctp_hmaclist_t *list, uint16_t id)\\n{\\n\\tint i;\",\n \"\\tif ((list == NULL) || (id == SCTP_AUTH_HMAC_ID_RSVD))\\n\\t\\treturn (0);\",\n \"\\tfor (i = 0; i < list->num_algo; i++)\\n\\t\\tif (list->hmac[i] == id)\\n\\t\\t\\treturn (1);\",\n \"\\t/* not in the list */\\n\\treturn (0);\\n}\",\n \"\\n/*-\\n * clear any cached key(s) if they match the given key id on an association.\\n * the cached key(s) will be recomputed and re-cached at next use.\\n * ASSUMES TCB_LOCK is already held\\n */\\nvoid\\nsctp_clear_cachedkeys(struct sctp_tcb *stcb, uint16_t keyid)\\n{\\n\\tif (stcb == NULL)\\n\\t\\treturn;\",\n \"\\tif (keyid == stcb->asoc.authinfo.assoc_keyid) {\\n\\t\\tsctp_free_key(stcb->asoc.authinfo.assoc_key);\\n\\t\\tstcb->asoc.authinfo.assoc_key = NULL;\\n\\t}\\n\\tif (keyid == stcb->asoc.authinfo.recv_keyid) {\\n\\t\\tsctp_free_key(stcb->asoc.authinfo.recv_key);\\n\\t\\tstcb->asoc.authinfo.recv_key = NULL;\\n\\t}\\n}\",\n \"/*-\\n * clear any cached key(s) if they match the given key id for all assocs on\\n * an endpoint.\\n * ASSUMES INP_WLOCK is already held\\n */\\nvoid\\nsctp_clear_cachedkeys_ep(struct sctp_inpcb *inp, uint16_t keyid)\\n{\\n\\tstruct sctp_tcb *stcb;\",\n \"\\tif (inp == NULL)\\n\\t\\treturn;\",\n \"\\t/* clear the cached keys on all assocs on this instance */\\n\\tLIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {\\n\\t\\tSCTP_TCB_LOCK(stcb);\\n\\t\\tsctp_clear_cachedkeys(stcb, keyid);\\n\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t}\\n}\",\n \"/*-\\n * delete a shared key from an association\\n * ASSUMES TCB_LOCK is already held\\n */\\nint\\nsctp_delete_sharedkey(struct sctp_tcb *stcb, uint16_t keyid)\\n{\\n\\tsctp_sharedkey_t *skey;\",\n \"\\tif (stcb == NULL)\\n\\t\\treturn (-1);\",\n \"\\t/* is the keyid the assoc active sending key */\\n\\tif (keyid == stcb->asoc.authinfo.active_keyid)\\n\\t\\treturn (-1);\",\n \"\\t/* does the key exist? */\\n\\tskey = sctp_find_sharedkey(&stcb->asoc.shared_keys, keyid);\\n\\tif (skey == NULL)\\n\\t\\treturn (-1);\",\n \"\\t/* are there other refcount holders on the key? */\\n\\tif (skey->refcount > 1)\\n\\t\\treturn (-1);\",\n \"\\t/* remove it */\\n\\tLIST_REMOVE(skey, next);\\n\\tsctp_free_sharedkey(skey);\\t/* frees skey->key as well */\",\n \"\\t/* clear any cached keys */\\n\\tsctp_clear_cachedkeys(stcb, keyid);\\n\\treturn (0);\\n}\",\n \"/*-\\n * deletes a shared key from the endpoint\\n * ASSUMES INP_WLOCK is already held\\n */\\nint\\nsctp_delete_sharedkey_ep(struct sctp_inpcb *inp, uint16_t keyid)\\n{\\n\\tsctp_sharedkey_t *skey;\",\n \"\\tif (inp == NULL)\\n\\t\\treturn (-1);\",\n \"\\t/* is the keyid the active sending key on the endpoint */\\n\\tif (keyid == inp->sctp_ep.default_keyid)\\n\\t\\treturn (-1);\",\n \"\\t/* does the key exist? */\\n\\tskey = sctp_find_sharedkey(&inp->sctp_ep.shared_keys, keyid);\\n\\tif (skey == NULL)\\n\\t\\treturn (-1);\",\n \"\\t/* endpoint keys are not refcounted */\",\n \"\\t/* remove it */\\n\\tLIST_REMOVE(skey, next);\\n\\tsctp_free_sharedkey(skey);\\t/* frees skey->key as well */\",\n \"\\t/* clear any cached keys */\\n\\tsctp_clear_cachedkeys_ep(inp, keyid);\\n\\treturn (0);\\n}\",\n \"/*-\\n * set the active key on an association\\n * ASSUMES TCB_LOCK is already held\\n */\\nint\\nsctp_auth_setactivekey(struct sctp_tcb *stcb, uint16_t keyid)\\n{\\n\\tsctp_sharedkey_t *skey = NULL;\",\n \"\\t/* find the key on the assoc */\\n\\tskey = sctp_find_sharedkey(&stcb->asoc.shared_keys, keyid);\\n\\tif (skey == NULL) {\\n\\t\\t/* that key doesn't exist */\\n\\t\\treturn (-1);\\n\\t}\\n\\tif ((skey->deactivated) && (skey->refcount > 1)) {\\n\\t\\t/* can't reactivate a deactivated key with other refcounts */\\n\\t\\treturn (-1);\\n\\t}\",\n \"\\t/* set the (new) active key */\\n\\tstcb->asoc.authinfo.active_keyid = keyid;\\n\\t/* reset the deactivated flag */\\n\\tskey->deactivated = 0;\",\n \"\\treturn (0);\\n}\",\n \"/*-\\n * set the active key on an endpoint\\n * ASSUMES INP_WLOCK is already held\\n */\\nint\\nsctp_auth_setactivekey_ep(struct sctp_inpcb *inp, uint16_t keyid)\\n{\\n\\tsctp_sharedkey_t *skey;\",\n \"\\t/* find the key */\\n\\tskey = sctp_find_sharedkey(&inp->sctp_ep.shared_keys, keyid);\\n\\tif (skey == NULL) {\\n\\t\\t/* that key doesn't exist */\\n\\t\\treturn (-1);\\n\\t}\\n\\tinp->sctp_ep.default_keyid = keyid;\\n\\treturn (0);\\n}\",\n \"/*-\\n * deactivates a shared key from the association\\n * ASSUMES INP_WLOCK is already held\\n */\\nint\\nsctp_deact_sharedkey(struct sctp_tcb *stcb, uint16_t keyid)\\n{\\n\\tsctp_sharedkey_t *skey;\",\n \"\\tif (stcb == NULL)\\n\\t\\treturn (-1);\",\n \"\\t/* is the keyid the assoc active sending key */\\n\\tif (keyid == stcb->asoc.authinfo.active_keyid)\\n\\t\\treturn (-1);\",\n \"\\t/* does the key exist? */\\n\\tskey = sctp_find_sharedkey(&stcb->asoc.shared_keys, keyid);\\n\\tif (skey == NULL)\\n\\t\\treturn (-1);\",\n \"\\t/* are there other refcount holders on the key? */\\n\\tif (skey->refcount == 1) {\\n\\t\\t/* no other users, send a notification for this key */\\n\\t\\tsctp_ulp_notify(SCTP_NOTIFY_AUTH_FREE_KEY, stcb, keyid, 0,\\n\\t\\t\\t\\tSCTP_SO_LOCKED);\\n\\t}\",\n \"\\t/* mark the key as deactivated */\\n\\tskey->deactivated = 1;\",\n \"\\treturn (0);\\n}\",\n \"/*-\\n * deactivates a shared key from the endpoint\\n * ASSUMES INP_WLOCK is already held\\n */\\nint\\nsctp_deact_sharedkey_ep(struct sctp_inpcb *inp, uint16_t keyid)\\n{\\n\\tsctp_sharedkey_t *skey;\",\n \"\\tif (inp == NULL)\\n\\t\\treturn (-1);\",\n \"\\t/* is the keyid the active sending key on the endpoint */\\n\\tif (keyid == inp->sctp_ep.default_keyid)\\n\\t\\treturn (-1);\",\n \"\\t/* does the key exist? */\\n\\tskey = sctp_find_sharedkey(&inp->sctp_ep.shared_keys, keyid);\\n\\tif (skey == NULL)\\n\\t\\treturn (-1);\",\n \"\\t/* endpoint keys are not refcounted */\",\n \"\\t/* remove it */\\n\\tLIST_REMOVE(skey, next);\\n\\tsctp_free_sharedkey(skey);\\t/* frees skey->key as well */\",\n \"\\treturn (0);\\n}\",\n \"/*\\n * get local authentication parameters from cookie (from INIT-ACK)\\n */\\nvoid\\nsctp_auth_get_cookie_params(struct sctp_tcb *stcb, struct mbuf *m,\\n uint32_t offset, uint32_t length)\\n{\\n\\tstruct sctp_paramhdr *phdr, tmp_param;\\n\\tuint16_t plen, ptype;\\n\\tuint8_t random_store[SCTP_PARAM_BUFFER_SIZE];\\n\\tstruct sctp_auth_random *p_random = NULL;\\n\\tuint16_t random_len = 0;\\n\\tuint8_t hmacs_store[SCTP_PARAM_BUFFER_SIZE];\\n\\tstruct sctp_auth_hmac_algo *hmacs = NULL;\\n\\tuint16_t hmacs_len = 0;\\n\\tuint8_t chunks_store[SCTP_PARAM_BUFFER_SIZE];\\n\\tstruct sctp_auth_chunk_list *chunks = NULL;\\n\\tuint16_t num_chunks = 0;\\n\\tsctp_key_t *new_key;\\n\\tuint32_t keylen;\",\n \"\\t/* convert to upper bound */\\n\\tlength += offset;\",\n \"\\tphdr = (struct sctp_paramhdr *)sctp_m_getptr(m, offset,\\n\\t sizeof(struct sctp_paramhdr), (uint8_t *)&tmp_param);\\n\\twhile (phdr != NULL) {\\n\\t\\tptype = ntohs(phdr->param_type);\\n\\t\\tplen = ntohs(phdr->param_length);\\n\",\n \"\\t\\tif ((plen < sizeof(struct sctp_paramhdr)) ||\\n\\t\\t (offset + plen > length))\",\n \"\\t\\t\\tbreak;\",\n \"\\t\\tif (ptype == SCTP_RANDOM) {\\n\\t\\t\\tif (plen > sizeof(random_store))\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\tphdr = sctp_get_next_param(m, offset,\\n\\t\\t\\t (struct sctp_paramhdr *)random_store, plen);\\n\\t\\t\\tif (phdr == NULL)\\n\\t\\t\\t\\treturn;\\n\\t\\t\\t/* save the random and length for the key */\\n\\t\\t\\tp_random = (struct sctp_auth_random *)phdr;\\n\\t\\t\\trandom_len = plen - sizeof(*p_random);\\n\\t\\t} else if (ptype == SCTP_HMAC_LIST) {\\n\\t\\t\\tuint16_t num_hmacs;\\n\\t\\t\\tuint16_t i;\",\n \"\\t\\t\\tif (plen > sizeof(hmacs_store))\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\tphdr = sctp_get_next_param(m, offset,\\n\\t\\t\\t (struct sctp_paramhdr *)hmacs_store, plen);\\n\\t\\t\\tif (phdr == NULL)\\n\\t\\t\\t\\treturn;\\n\\t\\t\\t/* save the hmacs list and num for the key */\\n\\t\\t\\thmacs = (struct sctp_auth_hmac_algo *)phdr;\\n\\t\\t\\thmacs_len = plen - sizeof(*hmacs);\\n\\t\\t\\tnum_hmacs = hmacs_len / sizeof(hmacs->hmac_ids[0]);\\n\\t\\t\\tif (stcb->asoc.local_hmacs != NULL)\\n\\t\\t\\t\\tsctp_free_hmaclist(stcb->asoc.local_hmacs);\\n\\t\\t\\tstcb->asoc.local_hmacs = sctp_alloc_hmaclist(num_hmacs);\\n\\t\\t\\tif (stcb->asoc.local_hmacs != NULL) {\\n\\t\\t\\t\\tfor (i = 0; i < num_hmacs; i++) {\\n\\t\\t\\t\\t\\t(void)sctp_auth_add_hmacid(stcb->asoc.local_hmacs,\\n\\t\\t\\t\\t\\t ntohs(hmacs->hmac_ids[i]));\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t} else if (ptype == SCTP_CHUNK_LIST) {\\n\\t\\t\\tint i;\",\n \"\\t\\t\\tif (plen > sizeof(chunks_store))\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\tphdr = sctp_get_next_param(m, offset,\\n\\t\\t\\t (struct sctp_paramhdr *)chunks_store, plen);\\n\\t\\t\\tif (phdr == NULL)\\n\\t\\t\\t\\treturn;\\n\\t\\t\\tchunks = (struct sctp_auth_chunk_list *)phdr;\\n\\t\\t\\tnum_chunks = plen - sizeof(*chunks);\\n\\t\\t\\t/* save chunks list and num for the key */\\n\\t\\t\\tif (stcb->asoc.local_auth_chunks != NULL)\\n\\t\\t\\t\\tsctp_clear_chunklist(stcb->asoc.local_auth_chunks);\\n\\t\\t\\telse\\n\\t\\t\\t\\tstcb->asoc.local_auth_chunks = sctp_alloc_chunklist();\\n\\t\\t\\tfor (i = 0; i < num_chunks; i++) {\\n\\t\\t\\t\\t(void)sctp_auth_add_chunk(chunks->chunk_types[i],\\n\\t\\t\\t\\t stcb->asoc.local_auth_chunks);\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\t/* get next parameter */\\n\\t\\toffset += SCTP_SIZE32(plen);\\n\\t\\tif (offset + sizeof(struct sctp_paramhdr) > length)\\n\\t\\t\\tbreak;\\n\\t\\tphdr = (struct sctp_paramhdr *)sctp_m_getptr(m, offset, sizeof(struct sctp_paramhdr),\\n\\t\\t (uint8_t *)&tmp_param);\\n\\t}\\n\\t/* concatenate the full random key */\\n\\tkeylen = sizeof(*p_random) + random_len + sizeof(*hmacs) + hmacs_len;\\n\\tif (chunks != NULL) {\\n\\t\\tkeylen += sizeof(*chunks) + num_chunks;\\n\\t}\\n\\tnew_key = sctp_alloc_key(keylen);\\n\\tif (new_key != NULL) {\\n\\t\\t/* copy in the RANDOM */\\n\\t\\tif (p_random != NULL) {\\n\\t\\t\\tkeylen = sizeof(*p_random) + random_len;\\n\\t\\t\\tmemcpy(new_key->key, p_random, keylen);\\n\\t\\t} else {\\n\\t\\t\\tkeylen = 0;\\n\\t\\t}\\n\\t\\t/* append in the AUTH chunks */\\n\\t\\tif (chunks != NULL) {\\n\\t\\t\\tmemcpy(new_key->key + keylen, chunks,\\n\\t\\t\\t sizeof(*chunks) + num_chunks);\\n\\t\\t\\tkeylen += sizeof(*chunks) + num_chunks;\\n\\t\\t}\\n\\t\\t/* append in the HMACs */\\n\\t\\tif (hmacs != NULL) {\\n\\t\\t\\tmemcpy(new_key->key + keylen, hmacs,\\n\\t\\t\\t sizeof(*hmacs) + hmacs_len);\\n\\t\\t}\\n\\t}\\n\\tif (stcb->asoc.authinfo.random != NULL)\\n\\t\\tsctp_free_key(stcb->asoc.authinfo.random);\\n\\tstcb->asoc.authinfo.random = new_key;\\n\\tstcb->asoc.authinfo.random_len = random_len;\\n\\tsctp_clear_cachedkeys(stcb, stcb->asoc.authinfo.assoc_keyid);\\n\\tsctp_clear_cachedkeys(stcb, stcb->asoc.authinfo.recv_keyid);\",\n \"\\t/* negotiate what HMAC to use for the peer */\\n\\tstcb->asoc.peer_hmac_id = sctp_negotiate_hmacid(stcb->asoc.peer_hmacs,\\n\\t stcb->asoc.local_hmacs);\",\n \"\\t/* copy defaults from the endpoint */\\n\\t/* FIX ME: put in cookie? */\\n\\tstcb->asoc.authinfo.active_keyid = stcb->sctp_ep->sctp_ep.default_keyid;\\n\\t/* copy out the shared key list (by reference) from the endpoint */\\n\\t(void)sctp_copy_skeylist(&stcb->sctp_ep->sctp_ep.shared_keys,\\n\\t\\t\\t\\t &stcb->asoc.shared_keys);\\n}\",\n \"/*\\n * compute and fill in the HMAC digest for a packet\\n */\\nvoid\\nsctp_fill_hmac_digest_m(struct mbuf *m, uint32_t auth_offset,\\n struct sctp_auth_chunk *auth, struct sctp_tcb *stcb, uint16_t keyid)\\n{\\n\\tuint32_t digestlen;\\n\\tsctp_sharedkey_t *skey;\\n\\tsctp_key_t *key;\",\n \"\\tif ((stcb == NULL) || (auth == NULL))\\n\\t\\treturn;\",\n \"\\t/* zero the digest + chunk padding */\\n\\tdigestlen = sctp_get_hmac_digest_len(stcb->asoc.peer_hmac_id);\\n\\tmemset(auth->hmac, 0, SCTP_SIZE32(digestlen));\",\n \"\\t/* is the desired key cached? */\\n\\tif ((keyid != stcb->asoc.authinfo.assoc_keyid) ||\\n\\t (stcb->asoc.authinfo.assoc_key == NULL)) {\\n\\t\\tif (stcb->asoc.authinfo.assoc_key != NULL) {\\n\\t\\t\\t/* free the old cached key */\\n\\t\\t\\tsctp_free_key(stcb->asoc.authinfo.assoc_key);\\n\\t\\t}\\n\\t\\tskey = sctp_find_sharedkey(&stcb->asoc.shared_keys, keyid);\\n\\t\\t/* the only way skey is NULL is if null key id 0 is used */\\n\\t\\tif (skey != NULL)\\n\\t\\t\\tkey = skey->key;\\n\\t\\telse\\n\\t\\t\\tkey = NULL;\\n\\t\\t/* compute a new assoc key and cache it */\\n\\t\\tstcb->asoc.authinfo.assoc_key =\\n\\t\\t sctp_compute_hashkey(stcb->asoc.authinfo.random,\\n\\t\\t\\t\\t\\t stcb->asoc.authinfo.peer_random, key);\\n\\t\\tstcb->asoc.authinfo.assoc_keyid = keyid;\\n\\t\\tSCTPDBG(SCTP_DEBUG_AUTH1, \\\"caching key id %u\\\\n\\\",\\n\\t\\t\\tstcb->asoc.authinfo.assoc_keyid);\\n#ifdef SCTP_DEBUG\\n\\t\\tif (SCTP_AUTH_DEBUG)\\n\\t\\t\\tsctp_print_key(stcb->asoc.authinfo.assoc_key,\\n\\t\\t\\t\\t \\\"Assoc Key\\\");\\n#endif\\n\\t}\",\n \"\\t/* set in the active key id */\\n\\tauth->shared_key_id = htons(keyid);\",\n \"\\t/* compute and fill in the digest */\\n\\t(void)sctp_compute_hmac_m(stcb->asoc.peer_hmac_id, stcb->asoc.authinfo.assoc_key,\\n\\t\\t\\t\\t m, auth_offset, auth->hmac);\\n}\",\n \"\\nstatic void\\nsctp_zero_m(struct mbuf *m, uint32_t m_offset, uint32_t size)\\n{\\n\\tstruct mbuf *m_tmp;\\n\\tuint8_t *data;\",\n \"\\t/* sanity check */\\n\\tif (m == NULL)\\n\\t\\treturn;\",\n \"\\t/* find the correct starting mbuf and offset (get start position) */\\n\\tm_tmp = m;\\n\\twhile ((m_tmp != NULL) && (m_offset >= (uint32_t) SCTP_BUF_LEN(m_tmp))) {\\n\\t\\tm_offset -= SCTP_BUF_LEN(m_tmp);\\n\\t\\tm_tmp = SCTP_BUF_NEXT(m_tmp);\\n\\t}\\n\\t/* now use the rest of the mbuf chain */\\n\\twhile ((m_tmp != NULL) && (size > 0)) {\\n\\t\\tdata = mtod(m_tmp, uint8_t *) + m_offset;\\n\\t\\tif (size > (uint32_t)(SCTP_BUF_LEN(m_tmp) - m_offset)) {\\n\\t\\t\\tmemset(data, 0, SCTP_BUF_LEN(m_tmp) - m_offset);\\n\\t\\t\\tsize -= SCTP_BUF_LEN(m_tmp) - m_offset;\\n\\t\\t} else {\\n\\t\\t\\tmemset(data, 0, size);\\n\\t\\t\\tsize = 0;\\n\\t\\t}\\n\\t\\t/* clear the offset since it's only for the first mbuf */\\n\\t\\tm_offset = 0;\\n\\t\\tm_tmp = SCTP_BUF_NEXT(m_tmp);\\n\\t}\\n}\",\n \"/*-\\n * process the incoming Authentication chunk\\n * return codes:\\n * -1 on any authentication error\\n * 0 on authentication verification\\n */\\nint\\nsctp_handle_auth(struct sctp_tcb *stcb, struct sctp_auth_chunk *auth,\\n struct mbuf *m, uint32_t offset)\\n{\\n\\tuint16_t chunklen;\\n\\tuint16_t shared_key_id;\\n\\tuint16_t hmac_id;\\n\\tsctp_sharedkey_t *skey;\\n\\tuint32_t digestlen;\\n\\tuint8_t digest[SCTP_AUTH_DIGEST_LEN_MAX];\\n\\tuint8_t computed_digest[SCTP_AUTH_DIGEST_LEN_MAX];\",\n \"\\t/* auth is checked for NULL by caller */\\n\\tchunklen = ntohs(auth->ch.chunk_length);\\n\\tif (chunklen < sizeof(*auth)) {\\n\\t\\tSCTP_STAT_INCR(sctps_recvauthfailed);\\n\\t\\treturn (-1);\\n\\t}\\n\\tSCTP_STAT_INCR(sctps_recvauth);\",\n \"\\t/* get the auth params */\\n\\tshared_key_id = ntohs(auth->shared_key_id);\\n\\thmac_id = ntohs(auth->hmac_id);\\n\\tSCTPDBG(SCTP_DEBUG_AUTH1,\\n\\t\\t\\\"SCTP AUTH Chunk: shared key %u, HMAC id %u\\\\n\\\",\\n\\t\\tshared_key_id, hmac_id);\",\n \"\\t/* is the indicated HMAC supported? */\\n\\tif (!sctp_auth_is_supported_hmac(stcb->asoc.local_hmacs, hmac_id)) {\\n\\t\\tstruct mbuf *op_err;\\n\\t\\tstruct sctp_error_auth_invalid_hmac *cause;\",\n \"\\t\\tSCTP_STAT_INCR(sctps_recvivalhmacid);\\n\\t\\tSCTPDBG(SCTP_DEBUG_AUTH1,\\n\\t\\t\\t\\\"SCTP Auth: unsupported HMAC id %u\\\\n\\\",\\n\\t\\t\\thmac_id);\\n\\t\\t/*\\n\\t\\t * report this in an Error Chunk: Unsupported HMAC\\n\\t\\t * Identifier\\n\\t\\t */\\n\\t\\top_err = sctp_get_mbuf_for_msg(sizeof(struct sctp_error_auth_invalid_hmac),\\n\\t\\t 0, M_NOWAIT, 1, MT_HEADER);\\n\\t\\tif (op_err != NULL) {\\n\\t\\t\\t/* pre-reserve some space */\\n\\t\\t\\tSCTP_BUF_RESV_UF(op_err, sizeof(struct sctp_chunkhdr));\\n\\t\\t\\t/* fill in the error */\\n\\t\\t\\tcause = mtod(op_err, struct sctp_error_auth_invalid_hmac *);\\n\\t\\t\\tcause->cause.code = htons(SCTP_CAUSE_UNSUPPORTED_HMACID);\\n\\t\\t\\tcause->cause.length = htons(sizeof(struct sctp_error_auth_invalid_hmac));\\n\\t\\t\\tcause->hmac_id = ntohs(hmac_id);\\n\\t\\t\\tSCTP_BUF_LEN(op_err) = sizeof(struct sctp_error_auth_invalid_hmac);\\n\\t\\t\\t/* queue it */\\n\\t\\t\\tsctp_queue_op_err(stcb, op_err);\\n\\t\\t}\\n\\t\\treturn (-1);\\n\\t}\\n\\t/* get the indicated shared key, if available */\\n\\tif ((stcb->asoc.authinfo.recv_key == NULL) ||\\n\\t (stcb->asoc.authinfo.recv_keyid != shared_key_id)) {\\n\\t\\t/* find the shared key on the assoc first */\\n\\t\\tskey = sctp_find_sharedkey(&stcb->asoc.shared_keys,\\n\\t\\t\\t\\t\\t shared_key_id);\\n\\t\\t/* if the shared key isn't found, discard the chunk */\\n\\t\\tif (skey == NULL) {\\n\\t\\t\\tSCTP_STAT_INCR(sctps_recvivalkeyid);\\n\\t\\t\\tSCTPDBG(SCTP_DEBUG_AUTH1,\\n\\t\\t\\t\\t\\\"SCTP Auth: unknown key id %u\\\\n\\\",\\n\\t\\t\\t\\tshared_key_id);\\n\\t\\t\\treturn (-1);\\n\\t\\t}\\n\\t\\t/* generate a notification if this is a new key id */\\n\\t\\tif (stcb->asoc.authinfo.recv_keyid != shared_key_id)\\n\\t\\t\\t/*\\n\\t\\t\\t * sctp_ulp_notify(SCTP_NOTIFY_AUTH_NEW_KEY, stcb,\\n\\t\\t\\t * shared_key_id, (void\\n\\t\\t\\t * *)stcb->asoc.authinfo.recv_keyid);\\n\\t\\t\\t */\\n\\t\\t\\tsctp_notify_authentication(stcb, SCTP_AUTH_NEW_KEY,\\n\\t\\t\\t shared_key_id, stcb->asoc.authinfo.recv_keyid,\\n\\t\\t\\t SCTP_SO_NOT_LOCKED);\\n\\t\\t/* compute a new recv assoc key and cache it */\\n\\t\\tif (stcb->asoc.authinfo.recv_key != NULL)\\n\\t\\t\\tsctp_free_key(stcb->asoc.authinfo.recv_key);\\n\\t\\tstcb->asoc.authinfo.recv_key =\\n\\t\\t sctp_compute_hashkey(stcb->asoc.authinfo.random,\\n\\t\\t stcb->asoc.authinfo.peer_random, skey->key);\\n\\t\\tstcb->asoc.authinfo.recv_keyid = shared_key_id;\\n#ifdef SCTP_DEBUG\\n\\t\\tif (SCTP_AUTH_DEBUG)\\n\\t\\t\\tsctp_print_key(stcb->asoc.authinfo.recv_key, \\\"Recv Key\\\");\\n#endif\\n\\t}\\n\\t/* validate the digest length */\\n\\tdigestlen = sctp_get_hmac_digest_len(hmac_id);\\n\\tif (chunklen < (sizeof(*auth) + digestlen)) {\\n\\t\\t/* invalid digest length */\\n\\t\\tSCTP_STAT_INCR(sctps_recvauthfailed);\\n\\t\\tSCTPDBG(SCTP_DEBUG_AUTH1,\\n\\t\\t\\t\\\"SCTP Auth: chunk too short for HMAC\\\\n\\\");\\n\\t\\treturn (-1);\\n\\t}\\n\\t/* save a copy of the digest, zero the pseudo header, and validate */\\n\\tmemcpy(digest, auth->hmac, digestlen);\\n\\tsctp_zero_m(m, offset + sizeof(*auth), SCTP_SIZE32(digestlen));\\n\\t(void)sctp_compute_hmac_m(hmac_id, stcb->asoc.authinfo.recv_key,\\n\\t m, offset, computed_digest);\",\n \"#if defined(__Userspace__)\\n#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION\\n\\treturn (0);\\n#endif\\n#endif\\n\\t/* compare the computed digest with the one in the AUTH chunk */\\n\\tif (timingsafe_bcmp(digest, computed_digest, digestlen) != 0) {\\n\\t\\tSCTP_STAT_INCR(sctps_recvauthfailed);\\n\\t\\tSCTPDBG(SCTP_DEBUG_AUTH1,\\n\\t\\t\\t\\\"SCTP Auth: HMAC digest check failed\\\\n\\\");\\n\\t\\treturn (-1);\\n\\t}\\n\\treturn (0);\\n}\",\n \"/*\\n * Generate NOTIFICATION\\n */\\nvoid\\nsctp_notify_authentication(struct sctp_tcb *stcb, uint32_t indication,\\n\\t\\t\\t uint16_t keyid, uint16_t alt_keyid, int so_locked\\n#if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING)\\n\\tSCTP_UNUSED\\n#endif\\n)\\n{\\n\\tstruct mbuf *m_notify;\\n\\tstruct sctp_authkey_event *auth;\\n\\tstruct sctp_queued_to_read *control;\",\n \"\\tif ((stcb == NULL) ||\\n\\t (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) ||\\n\\t (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||\\n\\t (stcb->asoc.state & SCTP_STATE_CLOSED_SOCKET)\\n\\t\\t) {\\n\\t\\t/* If the socket is gone we are out of here */\\n\\t\\treturn;\\n\\t}\",\n \"\\tif (sctp_stcb_is_feature_off(stcb->sctp_ep, stcb, SCTP_PCB_FLAGS_AUTHEVNT))\\n\\t\\t/* event not enabled */\\n\\t\\treturn;\",\n \"\\tm_notify = sctp_get_mbuf_for_msg(sizeof(struct sctp_authkey_event),\\n\\t\\t\\t\\t\\t 0, M_NOWAIT, 1, MT_HEADER);\\n\\tif (m_notify == NULL)\\n\\t\\t/* no space left */\\n\\t\\treturn;\",\n \"\\tSCTP_BUF_LEN(m_notify) = 0;\\n\\tauth = mtod(m_notify, struct sctp_authkey_event *);\\n\\tmemset(auth, 0, sizeof(struct sctp_authkey_event));\\n\\tauth->auth_type = SCTP_AUTHENTICATION_EVENT;\\n\\tauth->auth_flags = 0;\\n\\tauth->auth_length = sizeof(*auth);\\n\\tauth->auth_keynumber = keyid;\\n\\tauth->auth_altkeynumber = alt_keyid;\\n\\tauth->auth_indication = indication;\\n\\tauth->auth_assoc_id = sctp_get_associd(stcb);\",\n \"\\tSCTP_BUF_LEN(m_notify) = sizeof(*auth);\\n\\tSCTP_BUF_NEXT(m_notify) = NULL;\",\n \"\\t/* append to socket */\\n\\tcontrol = sctp_build_readq_entry(stcb, stcb->asoc.primary_destination,\\n\\t 0, 0, stcb->asoc.context, 0, 0, 0, m_notify);\\n\\tif (control == NULL) {\\n\\t\\t/* no memory */\\n\\t\\tsctp_m_freem(m_notify);\\n\\t\\treturn;\\n\\t}\\n\\tcontrol->length = SCTP_BUF_LEN(m_notify);\\n\\tcontrol->spec_flags = M_NOTIFICATION;\\n\\t/* not that we need this */\\n\\tcontrol->tail_mbuf = m_notify;\\n\\tsctp_add_to_readq(stcb->sctp_ep, stcb, control,\\n\\t &stcb->sctp_socket->so_rcv, 1, SCTP_READ_LOCK_NOT_HELD, so_locked);\\n}\",\n \"\\n/*-\\n * validates the AUTHentication related parameters in an INIT/INIT-ACK\\n * Note: currently only used for INIT as INIT-ACK is handled inline\\n * with sctp_load_addresses_from_init()\\n */\\nint\\nsctp_validate_init_auth_params(struct mbuf *m, int offset, int limit)\\n{\\n\\tstruct sctp_paramhdr *phdr, param_buf;\\n\\tuint16_t ptype, plen;\\n\\tint peer_supports_asconf = 0;\\n\\tint peer_supports_auth = 0;\\n\\tint got_random = 0, got_hmacs = 0, got_chklist = 0;\\n\\tuint8_t saw_asconf = 0;\\n\\tuint8_t saw_asconf_ack = 0;\",\n \"\\t/* go through each of the params. */\\n\\tphdr = sctp_get_next_param(m, offset, ¶m_buf, sizeof(param_buf));\\n\\twhile (phdr) {\\n\\t\\tptype = ntohs(phdr->param_type);\\n\\t\\tplen = ntohs(phdr->param_length);\",\n \"\\t\\tif (offset + plen > limit) {\\n\\t\\t\\tbreak;\\n\\t\\t}\\n\\t\\tif (plen < sizeof(struct sctp_paramhdr)) {\\n\\t\\t\\tbreak;\\n\\t\\t}\\n\\t\\tif (ptype == SCTP_SUPPORTED_CHUNK_EXT) {\\n\\t\\t\\t/* A supported extension chunk */\\n\\t\\t\\tstruct sctp_supported_chunk_types_param *pr_supported;\\n\\t\\t\\tuint8_t local_store[SCTP_SMALL_CHUNK_STORE];\\n\\t\\t\\tint num_ent, i;\",\n \"\\t\\t\\tif (plen > sizeof(local_store)) {\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n\\t\\t\\tphdr = sctp_get_next_param(m, offset,\\n\\t\\t\\t (struct sctp_paramhdr *)&local_store,\\n\\t\\t\\t plen);\\n\\t\\t\\tif (phdr == NULL) {\\n\\t\\t\\t\\treturn (-1);\\n\\t\\t\\t}\\n\\t\\t\\tpr_supported = (struct sctp_supported_chunk_types_param *)phdr;\\n\\t\\t\\tnum_ent = plen - sizeof(struct sctp_paramhdr);\\n\\t\\t\\tfor (i = 0; i < num_ent; i++) {\\n\\t\\t\\t\\tswitch (pr_supported->chunk_types[i]) {\\n\\t\\t\\t\\tcase SCTP_ASCONF:\\n\\t\\t\\t\\tcase SCTP_ASCONF_ACK:\\n\\t\\t\\t\\t\\tpeer_supports_asconf = 1;\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\tdefault:\\n\\t\\t\\t\\t\\t/* one we don't care about */\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t} else if (ptype == SCTP_RANDOM) {\\n\\t\\t\\t/* enforce the random length */\\n\\t\\t\\tif (plen != (sizeof(struct sctp_auth_random) +\\n\\t\\t\\t\\t SCTP_AUTH_RANDOM_SIZE_REQUIRED)) {\\n\\t\\t\\t\\tSCTPDBG(SCTP_DEBUG_AUTH1,\\n\\t\\t\\t\\t\\t\\\"SCTP: invalid RANDOM len\\\\n\\\");\\n\\t\\t\\t\\treturn (-1);\\n\\t\\t\\t}\\n\\t\\t\\tgot_random = 1;\\n\\t\\t} else if (ptype == SCTP_HMAC_LIST) {\\n\\t\\t\\tstruct sctp_auth_hmac_algo *hmacs;\\n\\t\\t\\tuint8_t store[SCTP_PARAM_BUFFER_SIZE];\\n\\t\\t\\tint num_hmacs;\",\n \"\\t\\t\\tif (plen > sizeof(store)) {\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n\\t\\t\\tphdr = sctp_get_next_param(m, offset,\\n\\t\\t\\t (struct sctp_paramhdr *)store,\\n\\t\\t\\t plen);\\n\\t\\t\\tif (phdr == NULL) {\\n\\t\\t\\t\\treturn (-1);\\n\\t\\t\\t}\\n\\t\\t\\thmacs = (struct sctp_auth_hmac_algo *)phdr;\\n\\t\\t\\tnum_hmacs = (plen - sizeof(*hmacs)) / sizeof(hmacs->hmac_ids[0]);\\n\\t\\t\\t/* validate the hmac list */\\n\\t\\t\\tif (sctp_verify_hmac_param(hmacs, num_hmacs)) {\\n\\t\\t\\t\\tSCTPDBG(SCTP_DEBUG_AUTH1,\\n\\t\\t\\t\\t\\t\\\"SCTP: invalid HMAC param\\\\n\\\");\\n\\t\\t\\t\\treturn (-1);\\n\\t\\t\\t}\\n\\t\\t\\tgot_hmacs = 1;\\n\\t\\t} else if (ptype == SCTP_CHUNK_LIST) {\\n\\t\\t\\tstruct sctp_auth_chunk_list *chunks;\\n\\t\\t\\tuint8_t chunks_store[SCTP_SMALL_CHUNK_STORE];\\n\\t\\t\\tint i, num_chunks;\",\n \"\\t\\t\\tif (plen > sizeof(chunks_store)) {\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n\\t\\t\\tphdr = sctp_get_next_param(m, offset,\\n\\t\\t\\t\\t\\t\\t (struct sctp_paramhdr *)chunks_store,\\n\\t\\t\\t\\t\\t\\t plen);\\n\\t\\t\\tif (phdr == NULL) {\\n\\t\\t\\t\\treturn (-1);\\n\\t\\t\\t}\\n\\t\\t\\t/*-\\n\\t\\t\\t * Flip through the list and mark that the\\n\\t\\t\\t * peer supports asconf/asconf_ack.\\n\\t\\t\\t */\\n\\t\\t\\tchunks = (struct sctp_auth_chunk_list *)phdr;\\n\\t\\t\\tnum_chunks = plen - sizeof(*chunks);\\n\\t\\t\\tfor (i = 0; i < num_chunks; i++) {\\n\\t\\t\\t\\t/* record asconf/asconf-ack if listed */\\n\\t\\t\\t\\tif (chunks->chunk_types[i] == SCTP_ASCONF)\\n\\t\\t\\t\\t\\tsaw_asconf = 1;\\n\\t\\t\\t\\tif (chunks->chunk_types[i] == SCTP_ASCONF_ACK)\\n\\t\\t\\t\\t\\tsaw_asconf_ack = 1;\",\n \"\\t\\t\\t}\\n\\t\\t\\tif (num_chunks)\\n\\t\\t\\t\\tgot_chklist = 1;\\n\\t\\t}\",\n \"\\t\\toffset += SCTP_SIZE32(plen);\\n\\t\\tif (offset >= limit) {\\n\\t\\t\\tbreak;\\n\\t\\t}\\n\\t\\tphdr = sctp_get_next_param(m, offset, ¶m_buf,\\n\\t\\t sizeof(param_buf));\\n\\t}\\n\\t/* validate authentication required parameters */\\n\\tif (got_random && got_hmacs) {\\n\\t\\tpeer_supports_auth = 1;\\n\\t} else {\\n\\t\\tpeer_supports_auth = 0;\\n\\t}\\n\\tif (!peer_supports_auth && got_chklist) {\\n\\t\\tSCTPDBG(SCTP_DEBUG_AUTH1,\\n\\t\\t\\t\\\"SCTP: peer sent chunk list w/o AUTH\\\\n\\\");\\n\\t\\treturn (-1);\\n\\t}\\n\\tif (peer_supports_asconf && !peer_supports_auth) {\\n\\t\\tSCTPDBG(SCTP_DEBUG_AUTH1,\\n\\t\\t\\t\\\"SCTP: peer supports ASCONF but not AUTH\\\\n\\\");\\n\\t\\treturn (-1);\\n\\t} else if ((peer_supports_asconf) && (peer_supports_auth) &&\\n\\t\\t ((saw_asconf == 0) || (saw_asconf_ack == 0))) {\\n\\t\\treturn (-2);\\n\\t}\\n\\treturn (0);\\n}\",\n \"void\\nsctp_initialize_auth_params(struct sctp_inpcb *inp, struct sctp_tcb *stcb)\\n{\\n\\tuint16_t chunks_len = 0;\\n\\tuint16_t hmacs_len = 0;\\n\\tuint16_t random_len = SCTP_AUTH_RANDOM_SIZE_DEFAULT;\\n\\tsctp_key_t *new_key;\\n\\tuint16_t keylen;\",\n \"\\t/* initialize hmac list from endpoint */\\n\\tstcb->asoc.local_hmacs = sctp_copy_hmaclist(inp->sctp_ep.local_hmacs);\\n\\tif (stcb->asoc.local_hmacs != NULL) {\\n\\t\\thmacs_len = stcb->asoc.local_hmacs->num_algo *\\n\\t\\t sizeof(stcb->asoc.local_hmacs->hmac[0]);\\n\\t}\\n\\t/* initialize auth chunks list from endpoint */\\n\\tstcb->asoc.local_auth_chunks =\\n\\t sctp_copy_chunklist(inp->sctp_ep.local_auth_chunks);\\n\\tif (stcb->asoc.local_auth_chunks != NULL) {\\n\\t\\tint i;\\n\\t\\tfor (i = 0; i < 256; i++) {\\n\\t\\t\\tif (stcb->asoc.local_auth_chunks->chunks[i])\\n\\t\\t\\t\\tchunks_len++;\\n\\t\\t}\\n\\t}\\n\\t/* copy defaults from the endpoint */\\n\\tstcb->asoc.authinfo.active_keyid = inp->sctp_ep.default_keyid;\",\n \"\\t/* copy out the shared key list (by reference) from the endpoint */\\n\\t(void)sctp_copy_skeylist(&inp->sctp_ep.shared_keys,\\n\\t\\t\\t\\t &stcb->asoc.shared_keys);\",\n \"\\t/* now set the concatenated key (random + chunks + hmacs) */\\n\\t/* key includes parameter headers */\\n\\tkeylen = (3 * sizeof(struct sctp_paramhdr)) + random_len + chunks_len +\\n\\t hmacs_len;\\n\\tnew_key = sctp_alloc_key(keylen);\\n\\tif (new_key != NULL) {\\n\\t\\tstruct sctp_paramhdr *ph;\\n\\t\\tint plen;\\n\\t\\t/* generate and copy in the RANDOM */\\n\\t\\tph = (struct sctp_paramhdr *)new_key->key;\\n\\t\\tph->param_type = htons(SCTP_RANDOM);\\n\\t\\tplen = sizeof(*ph) + random_len;\\n\\t\\tph->param_length = htons(plen);\\n\\t\\tSCTP_READ_RANDOM(new_key->key + sizeof(*ph), random_len);\\n\\t\\tkeylen = plen;\",\n \"\\t\\t/* append in the AUTH chunks */\\n\\t\\t/* NOTE: currently we always have chunks to list */\\n\\t\\tph = (struct sctp_paramhdr *)(new_key->key + keylen);\\n\\t\\tph->param_type = htons(SCTP_CHUNK_LIST);\\n\\t\\tplen = sizeof(*ph) + chunks_len;\\n\\t\\tph->param_length = htons(plen);\\n\\t\\tkeylen += sizeof(*ph);\\n\\t\\tif (stcb->asoc.local_auth_chunks) {\\n\\t\\t\\tint i;\\n\\t\\t\\tfor (i = 0; i < 256; i++) {\\n\\t\\t\\t\\tif (stcb->asoc.local_auth_chunks->chunks[i])\\n\\t\\t\\t\\t\\tnew_key->key[keylen++] = i;\\n\\t\\t\\t}\\n\\t\\t}\",\n \"\\t\\t/* append in the HMACs */\\n\\t\\tph = (struct sctp_paramhdr *)(new_key->key + keylen);\\n\\t\\tph->param_type = htons(SCTP_HMAC_LIST);\\n\\t\\tplen = sizeof(*ph) + hmacs_len;\\n\\t\\tph->param_length = htons(plen);\\n\\t\\tkeylen += sizeof(*ph);\\n\\t\\t(void)sctp_serialize_hmaclist(stcb->asoc.local_hmacs,\\n\\t\\t\\t\\t\\tnew_key->key + keylen);\\n\\t}\\n\\tif (stcb->asoc.authinfo.random != NULL)\\n\\t sctp_free_key(stcb->asoc.authinfo.random);\\n\\tstcb->asoc.authinfo.random = new_key;\\n\\tstcb->asoc.authinfo.random_len = random_len;\\n}\",\n \"\\n#ifdef SCTP_HMAC_TEST\\n/*\\n * HMAC and key concatenation tests\\n */\\nstatic void\\nsctp_print_digest(uint8_t *digest, uint32_t digestlen, const char *str)\\n{\\n\\tuint32_t i;\",\n \"\\tSCTP_PRINTF(\\\"\\\\n%s: 0x\\\", str);\\n\\tif (digest == NULL)\\n\\t\\treturn;\",\n \"\\tfor (i = 0; i < digestlen; i++)\\n\\t\\tSCTP_PRINTF(\\\"%02x\\\", digest[i]);\\n}\",\n \"static int\\nsctp_test_hmac(const char *str, uint16_t hmac_id, uint8_t *key,\\n uint32_t keylen, uint8_t *text, uint32_t textlen,\\n uint8_t *digest, uint32_t digestlen)\\n{\\n\\tuint8_t computed_digest[SCTP_AUTH_DIGEST_LEN_MAX];\",\n \"\\tSCTP_PRINTF(\\\"\\\\n%s:\\\", str);\\n\\tsctp_hmac(hmac_id, key, keylen, text, textlen, computed_digest);\\n\\tsctp_print_digest(digest, digestlen, \\\"Expected digest\\\");\\n\\tsctp_print_digest(computed_digest, digestlen, \\\"Computed digest\\\");\\n\\tif (memcmp(digest, computed_digest, digestlen) != 0) {\\n\\t\\tSCTP_PRINTF(\\\"\\\\nFAILED\\\");\\n\\t\\treturn (-1);\\n\\t} else {\\n\\t\\tSCTP_PRINTF(\\\"\\\\nPASSED\\\");\\n\\t\\treturn (0);\\n\\t}\\n}\",\n \"\\n/*\\n * RFC 2202: HMAC-SHA1 test cases\\n */\\nvoid\\nsctp_test_hmac_sha1(void)\\n{\\n\\tuint8_t *digest;\\n\\tuint8_t key[128];\\n\\tuint32_t keylen;\\n\\tuint8_t text[128];\\n\\tuint32_t textlen;\\n\\tuint32_t digestlen = 20;\\n\\tint failed = 0;\",\n \"\\t/*-\\n\\t * test_case = 1\\n\\t * key = 0x0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b\\n\\t * key_len = 20\\n\\t * data = \\\"Hi There\\\"\\n\\t * data_len = 8\\n\\t * digest = 0xb617318655057264e28bc0b6fb378c8ef146be00\\n\\t */\\n\\tkeylen = 20;\\n\\tmemset(key, 0x0b, keylen);\\n\\ttextlen = 8;\\n\\tstrcpy(text, \\\"Hi There\\\");\\n\\tdigest = \\\"\\\\xb6\\\\x17\\\\x31\\\\x86\\\\x55\\\\x05\\\\x72\\\\x64\\\\xe2\\\\x8b\\\\xc0\\\\xb6\\\\xfb\\\\x37\\\\x8c\\\\x8e\\\\xf1\\\\x46\\\\xbe\\\\x00\\\";\\n\\tif (sctp_test_hmac(\\\"SHA1 test case 1\\\", SCTP_AUTH_HMAC_ID_SHA1, key, keylen,\\n\\t text, textlen, digest, digestlen) < 0)\\n\\t\\tfailed++;\",\n \"\\t/*-\\n\\t * test_case = 2\\n\\t * key = \\\"Jefe\\\"\\n\\t * key_len = 4\\n\\t * data = \\\"what do ya want for nothing?\\\"\\n\\t * data_len = 28\\n\\t * digest = 0xeffcdf6ae5eb2fa2d27416d5f184df9c259a7c79\\n\\t */\\n\\tkeylen = 4;\\n\\tstrcpy(key, \\\"Jefe\\\");\\n\\ttextlen = 28;\\n\\tstrcpy(text, \\\"what do ya want for nothing?\\\");\\n\\tdigest = \\\"\\\\xef\\\\xfc\\\\xdf\\\\x6a\\\\xe5\\\\xeb\\\\x2f\\\\xa2\\\\xd2\\\\x74\\\\x16\\\\xd5\\\\xf1\\\\x84\\\\xdf\\\\x9c\\\\x25\\\\x9a\\\\x7c\\\\x79\\\";\\n\\tif (sctp_test_hmac(\\\"SHA1 test case 2\\\", SCTP_AUTH_HMAC_ID_SHA1, key, keylen,\\n\\t text, textlen, digest, digestlen) < 0)\\n\\t\\tfailed++;\",\n \"\\t/*-\\n\\t * test_case = 3\\n\\t * key = 0xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\\n\\t * key_len = 20\\n\\t * data = 0xdd repeated 50 times\\n\\t * data_len = 50\\n\\t * digest = 0x125d7342b9ac11cd91a39af48aa17b4f63f175d3\\n\\t */\\n\\tkeylen = 20;\\n\\tmemset(key, 0xaa, keylen);\\n\\ttextlen = 50;\\n\\tmemset(text, 0xdd, textlen);\\n\\tdigest = \\\"\\\\x12\\\\x5d\\\\x73\\\\x42\\\\xb9\\\\xac\\\\x11\\\\xcd\\\\x91\\\\xa3\\\\x9a\\\\xf4\\\\x8a\\\\xa1\\\\x7b\\\\x4f\\\\x63\\\\xf1\\\\x75\\\\xd3\\\";\\n\\tif (sctp_test_hmac(\\\"SHA1 test case 3\\\", SCTP_AUTH_HMAC_ID_SHA1, key, keylen,\\n\\t text, textlen, digest, digestlen) < 0)\\n\\t\\tfailed++;\",\n \"\\t/*-\\n\\t * test_case = 4\\n\\t * key = 0x0102030405060708090a0b0c0d0e0f10111213141516171819\\n\\t * key_len = 25\\n\\t * data = 0xcd repeated 50 times\\n\\t * data_len = 50\\n\\t * digest = 0x4c9007f4026250c6bc8414f9bf50c86c2d7235da\\n\\t */\\n\\tkeylen = 25;\\n\\tmemcpy(key, \\\"\\\\x01\\\\x02\\\\x03\\\\x04\\\\x05\\\\x06\\\\x07\\\\x08\\\\x09\\\\x0a\\\\x0b\\\\x0c\\\\x0d\\\\x0e\\\\x0f\\\\x10\\\\x11\\\\x12\\\\x13\\\\x14\\\\x15\\\\x16\\\\x17\\\\x18\\\\x19\\\", keylen);\\n\\ttextlen = 50;\\n\\tmemset(text, 0xcd, textlen);\\n\\tdigest = \\\"\\\\x4c\\\\x90\\\\x07\\\\xf4\\\\x02\\\\x62\\\\x50\\\\xc6\\\\xbc\\\\x84\\\\x14\\\\xf9\\\\xbf\\\\x50\\\\xc8\\\\x6c\\\\x2d\\\\x72\\\\x35\\\\xda\\\";\\n\\tif (sctp_test_hmac(\\\"SHA1 test case 4\\\", SCTP_AUTH_HMAC_ID_SHA1, key, keylen,\\n\\t text, textlen, digest, digestlen) < 0)\\n\\t\\tfailed++;\",\n \"\\t/*-\\n\\t * test_case = 5\\n\\t * key = 0x0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c\\n\\t * key_len = 20\\n\\t * data = \\\"Test With Truncation\\\"\\n\\t * data_len = 20\\n\\t * digest = 0x4c1a03424b55e07fe7f27be1d58bb9324a9a5a04\\n\\t * digest-96 = 0x4c1a03424b55e07fe7f27be1\\n\\t */\\n\\tkeylen = 20;\\n\\tmemset(key, 0x0c, keylen);\\n\\ttextlen = 20;\\n\\tstrcpy(text, \\\"Test With Truncation\\\");\\n\\tdigest = \\\"\\\\x4c\\\\x1a\\\\x03\\\\x42\\\\x4b\\\\x55\\\\xe0\\\\x7f\\\\xe7\\\\xf2\\\\x7b\\\\xe1\\\\xd5\\\\x8b\\\\xb9\\\\x32\\\\x4a\\\\x9a\\\\x5a\\\\x04\\\";\\n\\tif (sctp_test_hmac(\\\"SHA1 test case 5\\\", SCTP_AUTH_HMAC_ID_SHA1, key, keylen,\\n\\t text, textlen, digest, digestlen) < 0)\\n\\t\\tfailed++;\",\n \"\\t/*-\\n\\t * test_case = 6\\n\\t * key = 0xaa repeated 80 times\\n\\t * key_len = 80\\n\\t * data = \\\"Test Using Larger Than Block-Size Key - Hash Key First\\\"\\n\\t * data_len = 54\\n\\t * digest = 0xaa4ae5e15272d00e95705637ce8a3b55ed402112\\n\\t */\\n\\tkeylen = 80;\\n\\tmemset(key, 0xaa, keylen);\\n\\ttextlen = 54;\\n\\tstrcpy(text, \\\"Test Using Larger Than Block-Size Key - Hash Key First\\\");\\n\\tdigest = \\\"\\\\xaa\\\\x4a\\\\xe5\\\\xe1\\\\x52\\\\x72\\\\xd0\\\\x0e\\\\x95\\\\x70\\\\x56\\\\x37\\\\xce\\\\x8a\\\\x3b\\\\x55\\\\xed\\\\x40\\\\x21\\\\x12\\\";\\n\\tif (sctp_test_hmac(\\\"SHA1 test case 6\\\", SCTP_AUTH_HMAC_ID_SHA1, key, keylen,\\n\\t text, textlen, digest, digestlen) < 0)\\n\\t\\tfailed++;\",\n \"\\t/*-\\n\\t * test_case = 7\\n\\t * key = 0xaa repeated 80 times\\n\\t * key_len = 80\\n\\t * data = \\\"Test Using Larger Than Block-Size Key and Larger Than One Block-Size Data\\\"\\n\\t * data_len = 73\\n\\t * digest = 0xe8e99d0f45237d786d6bbaa7965c7808bbff1a91\\n\\t */\\n\\tkeylen = 80;\\n\\tmemset(key, 0xaa, keylen);\\n\\ttextlen = 73;\\n\\tstrcpy(text, \\\"Test Using Larger Than Block-Size Key and Larger Than One Block-Size Data\\\");\\n\\tdigest = \\\"\\\\xe8\\\\xe9\\\\x9d\\\\x0f\\\\x45\\\\x23\\\\x7d\\\\x78\\\\x6d\\\\x6b\\\\xba\\\\xa7\\\\x96\\\\x5c\\\\x78\\\\x08\\\\xbb\\\\xff\\\\x1a\\\\x91\\\";\\n\\tif (sctp_test_hmac(\\\"SHA1 test case 7\\\", SCTP_AUTH_HMAC_ID_SHA1, key, keylen,\\n\\t text, textlen, digest, digestlen) < 0)\\n\\t\\tfailed++;\",\n \"\\t/* done with all tests */\\n\\tif (failed)\\n\\t\\tSCTP_PRINTF(\\\"\\\\nSHA1 test results: %d cases failed\\\", failed);\\n\\telse\\n\\t\\tSCTP_PRINTF(\\\"\\\\nSHA1 test results: all test cases passed\\\");\\n}\",\n \"/*\\n * test assoc key concatenation\\n */\\nstatic int\\nsctp_test_key_concatenation(sctp_key_t *key1, sctp_key_t *key2,\\n sctp_key_t *expected_key)\\n{\\n\\tsctp_key_t *key;\\n\\tint ret_val;\",\n \"\\tsctp_show_key(key1, \\\"\\\\nkey1\\\");\\n\\tsctp_show_key(key2, \\\"\\\\nkey2\\\");\\n\\tkey = sctp_compute_hashkey(key1, key2, NULL);\\n\\tsctp_show_key(expected_key, \\\"\\\\nExpected\\\");\\n\\tsctp_show_key(key, \\\"\\\\nComputed\\\");\\n\\tif (memcmp(key, expected_key, expected_key->keylen) != 0) {\\n\\t\\tSCTP_PRINTF(\\\"\\\\nFAILED\\\");\\n\\t\\tret_val = -1;\\n\\t} else {\\n\\t\\tSCTP_PRINTF(\\\"\\\\nPASSED\\\");\\n\\t\\tret_val = 0;\\n\\t}\\n\\tsctp_free_key(key1);\\n\\tsctp_free_key(key2);\\n\\tsctp_free_key(expected_key);\\n\\tsctp_free_key(key);\\n\\treturn (ret_val);\\n}\",\n \"\\nvoid\\nsctp_test_authkey(void)\\n{\\n\\tsctp_key_t *key1, *key2, *expected_key;\\n\\tint failed = 0;\",\n \"\\t/* test case 1 */\\n\\tkey1 = sctp_set_key(\\\"\\\\x01\\\\x01\\\\x01\\\\x01\\\", 4);\\n\\tkey2 = sctp_set_key(\\\"\\\\x01\\\\x02\\\\x03\\\\x04\\\", 4);\\n\\texpected_key = sctp_set_key(\\\"\\\\x01\\\\x01\\\\x01\\\\x01\\\\x01\\\\x02\\\\x03\\\\x04\\\", 8);\\n\\tif (sctp_test_key_concatenation(key1, key2, expected_key) < 0)\\n\\t\\tfailed++;\",\n \"\\t/* test case 2 */\\n\\tkey1 = sctp_set_key(\\\"\\\\x00\\\\x00\\\\x00\\\\x01\\\", 4);\\n\\tkey2 = sctp_set_key(\\\"\\\\x02\\\", 1);\\n\\texpected_key = sctp_set_key(\\\"\\\\x00\\\\x00\\\\x00\\\\x01\\\\x02\\\", 5);\\n\\tif (sctp_test_key_concatenation(key1, key2, expected_key) < 0)\\n\\t\\tfailed++;\",\n \"\\t/* test case 3 */\\n\\tkey1 = sctp_set_key(\\\"\\\\x01\\\", 1);\\n\\tkey2 = sctp_set_key(\\\"\\\\x00\\\\x00\\\\x00\\\\x02\\\", 4);\\n\\texpected_key = sctp_set_key(\\\"\\\\x01\\\\x00\\\\x00\\\\x00\\\\x02\\\", 5);\\n\\tif (sctp_test_key_concatenation(key1, key2, expected_key) < 0)\\n\\t\\tfailed++;\",\n \"\\t/* test case 4 */\\n\\tkey1 = sctp_set_key(\\\"\\\\x00\\\\x00\\\\x00\\\\x01\\\", 4);\\n\\tkey2 = sctp_set_key(\\\"\\\\x01\\\", 1);\\n\\texpected_key = sctp_set_key(\\\"\\\\x01\\\\x00\\\\x00\\\\x00\\\\x01\\\", 5);\\n\\tif (sctp_test_key_concatenation(key1, key2, expected_key) < 0)\\n\\t\\tfailed++;\",\n \"\\t/* test case 5 */\\n\\tkey1 = sctp_set_key(\\\"\\\\x01\\\", 1);\\n\\tkey2 = sctp_set_key(\\\"\\\\x00\\\\x00\\\\x00\\\\x01\\\", 4);\\n\\texpected_key = sctp_set_key(\\\"\\\\x01\\\\x00\\\\x00\\\\x00\\\\x01\\\", 5);\\n\\tif (sctp_test_key_concatenation(key1, key2, expected_key) < 0)\\n\\t\\tfailed++;\",\n \"\\t/* test case 6 */\\n\\tkey1 = sctp_set_key(\\\"\\\\x00\\\\x00\\\\x00\\\\x00\\\\x01\\\\x02\\\\x03\\\\x04\\\\x05\\\\x06\\\\x07\\\", 11);\\n\\tkey2 = sctp_set_key(\\\"\\\\x00\\\\x00\\\\x00\\\\x00\\\\x01\\\\x02\\\\x03\\\\x04\\\\x05\\\\x06\\\\x08\\\", 11);\\n\\texpected_key = sctp_set_key(\\\"\\\\x00\\\\x00\\\\x00\\\\x00\\\\x01\\\\x02\\\\x03\\\\x04\\\\x05\\\\x06\\\\x07\\\\x00\\\\x00\\\\x00\\\\x00\\\\x01\\\\x02\\\\x03\\\\x04\\\\x05\\\\x06\\\\x08\\\", 22);\\n\\tif (sctp_test_key_concatenation(key1, key2, expected_key) < 0)\\n\\t\\tfailed++;\",\n \"\\t/* test case 7 */\\n\\tkey1 = sctp_set_key(\\\"\\\\x00\\\\x00\\\\x00\\\\x00\\\\x01\\\\x02\\\\x03\\\\x04\\\\x05\\\\x06\\\\x08\\\", 11);\\n\\tkey2 = sctp_set_key(\\\"\\\\x00\\\\x00\\\\x00\\\\x00\\\\x01\\\\x02\\\\x03\\\\x04\\\\x05\\\\x06\\\\x07\\\", 11);\\n\\texpected_key = sctp_set_key(\\\"\\\\x00\\\\x00\\\\x00\\\\x00\\\\x01\\\\x02\\\\x03\\\\x04\\\\x05\\\\x06\\\\x07\\\\x00\\\\x00\\\\x00\\\\x00\\\\x01\\\\x02\\\\x03\\\\x04\\\\x05\\\\x06\\\\x08\\\", 22);\\n\\tif (sctp_test_key_concatenation(key1, key2, expected_key) < 0)\\n\\t\\tfailed++;\",\n \"\\t/* done with all tests */\\n\\tif (failed)\\n\\t\\tSCTP_PRINTF(\\\"\\\\nKey concatenation test results: %d cases failed\\\", failed);\\n\\telse\\n\\t\\tSCTP_PRINTF(\\\"\\\\nKey concatenation test results: all test cases passed\\\");\\n}\",\n \"\\n#if defined(STANDALONE_HMAC_TEST)\\nint\\nmain(void)\\n{\\n\\tsctp_test_hmac_sha1();\\n\\tsctp_test_authkey();\\n}\",\n \"#endif /* STANDALONE_HMAC_TEST */\",\n \"#endif /* SCTP_HMAC_TEST */\"\n]","isConversational":false},"labels":{"kind":"list like","value":[1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1],"string":"[\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1\n]","isConversational":false},"source":{"kind":"string","value":"PreciseBugs"},"other_info":{"kind":"string","value":"{\"buggy_code_end_loc\": [1425, 7465], \"buggy_code_start_loc\": [37, 37], \"filenames\": [\"usrsctplib/netinet/sctp_auth.c\", \"usrsctplib/netinet/sctp_pcb.c\"], \"fixing_code_end_loc\": [1426, 7469], \"fixing_code_start_loc\": [37, 37], \"message\": \"usrsctp before 2019-12-20 has out-of-bounds reads in sctp_load_addresses_from_init.\", \"other\": {\"cve\": {\"cisaActionDue\": null, \"cisaExploitAdd\": null, \"cisaRequiredAction\": null, \"cisaVulnerabilityName\": null, \"configurations\": [{\"nodes\": [{\"cpeMatch\": [{\"criteria\": \"cpe:2.3:a:usrsctp_project:usrsctp:*:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"1DE09463-9EA6-49EF-BCBF-568BE6E965B8\", \"versionEndExcluding\": \"2019-12-20\", \"versionEndIncluding\": null, \"versionStartExcluding\": null, \"versionStartIncluding\": null, \"vulnerable\": true}], \"negate\": false, \"operator\": \"OR\"}], \"operator\": null}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"usrsctp before 2019-12-20 has out-of-bounds reads in sctp_load_addresses_from_init.\"}, {\"lang\": \"es\", \"value\": \"usrsctp versiones anteriores al 20-12-2019, presenta lecturas fuera de l\\u00edmites en la funci\\u00f3n sctp_load_addresses_from_init.\"}], \"evaluatorComment\": null, \"id\": \"CVE-2019-20503\", \"lastModified\": \"2020-06-11T15:15:11.287\", \"metrics\": {\"cvssMetricV2\": [{\"acInsufInfo\": false, \"baseSeverity\": \"MEDIUM\", \"cvssData\": {\"accessComplexity\": \"MEDIUM\", \"accessVector\": \"NETWORK\", \"authentication\": \"NONE\", \"availabilityImpact\": \"PARTIAL\", \"baseScore\": 4.3, \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"vectorString\": \"AV:N/AC:M/Au:N/C:N/I:N/A:P\", \"version\": \"2.0\"}, \"exploitabilityScore\": 8.6, \"impactScore\": 2.9, \"obtainAllPrivilege\": false, \"obtainOtherPrivilege\": false, \"obtainUserPrivilege\": false, \"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"userInteractionRequired\": true}], \"cvssMetricV30\": null, \"cvssMetricV31\": [{\"cvssData\": {\"attackComplexity\": \"LOW\", \"attackVector\": \"NETWORK\", \"availabilityImpact\": \"HIGH\", \"baseScore\": 6.5, \"baseSeverity\": \"MEDIUM\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"privilegesRequired\": \"NONE\", \"scope\": \"UNCHANGED\", \"userInteraction\": \"REQUIRED\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H\", \"version\": \"3.1\"}, \"exploitabilityScore\": 2.8, \"impactScore\": 3.6, \"source\": \"nvd@nist.gov\", \"type\": \"Primary\"}]}, \"published\": \"2020-03-06T20:15:12.470\", \"references\": [{\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00022.html\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00028.html\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00030.html\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00037.html\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://seclists.org/fulldisclosure/2020/May/49\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://seclists.org/fulldisclosure/2020/May/52\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://seclists.org/fulldisclosure/2020/May/55\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://seclists.org/fulldisclosure/2020/May/59\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://access.redhat.com/errata/RHSA-2020:0815\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://access.redhat.com/errata/RHSA-2020:0816\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://access.redhat.com/errata/RHSA-2020:0819\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://access.redhat.com/errata/RHSA-2020:0820\"}, {\"source\": \"cve@mitre.org\", \"tags\": [\"Exploit\", \"Patch\", \"Vendor Advisory\"], \"url\": \"https://bugs.chromium.org/p/project-zero/issues/detail?id=1992\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://chromereleases.googleblog.com/2020/03/stable-channel-update-for-desktop_18.html\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://crbug.com/1059349\"}, {\"source\": \"cve@mitre.org\", \"tags\": [\"Patch\", \"Third Party Advisory\"], \"url\": \"https://github.com/sctplab/usrsctp/commit/790a7a2555aefb392a5a69923f1e9d17b4968467\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://lists.debian.org/debian-lts-announce/2020/03/msg00013.html\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://lists.debian.org/debian-lts-announce/2020/03/msg00023.html\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2DDNOAGIX5D77TTHT6YPMVJ5WTXTCQEI/\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6IOHSO6BUKC6I66J5PZOMAGFVJ66ZS57/\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JWANFIR3PYAL5RJQ4AO3ZS2DYMSF2ZGZ/\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://security.gentoo.org/glsa/202003-02\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://security.gentoo.org/glsa/202003-10\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://support.apple.com/HT211168\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://support.apple.com/HT211171\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://support.apple.com/HT211175\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://support.apple.com/HT211177\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://support.apple.com/kb/HT211168\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://support.apple.com/kb/HT211171\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://support.apple.com/kb/HT211175\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://support.apple.com/kb/HT211177\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://usn.ubuntu.com/4299-1/\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://usn.ubuntu.com/4328-1/\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://usn.ubuntu.com/4335-1/\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://www.debian.org/security/2020/dsa-4639\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://www.debian.org/security/2020/dsa-4642\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://www.debian.org/security/2020/dsa-4645\"}], \"sourceIdentifier\": \"cve@mitre.org\", \"vendorComments\": null, \"vulnStatus\": \"Modified\", \"weaknesses\": [{\"description\": [{\"lang\": \"en\", \"value\": \"CWE-125\"}], \"source\": \"nvd@nist.gov\", \"type\": \"Primary\"}]}, \"github_commit_url\": \"https://github.com/sctplab/usrsctp/commit/790a7a2555aefb392a5a69923f1e9d17b4968467\"}, \"type\": \"CWE-125\"}"},"index":{"kind":"number","value":860,"string":"860"}}},{"rowIdx":5094,"cells":{"prompt":{"kind":"string","value":"Determine whether the {function_name} code is vulnerable or not."},"completions":{"kind":"list like","value":["/*-\n * SPDX-License-Identifier: BSD-3-Clause\n *\n * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved.\n * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.\n * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.\n *\n * Redistribution and use in source and binary forms, with or without\n * modification, are permitted provided that the following conditions are met:\n *\n * a) Redistributions of source code must retain the above copyright notice,\n * this list of conditions and the following disclaimer.\n *\n * b) Redistributions in binary form must reproduce the above copyright\n * notice, this list of conditions and the following disclaimer in\n * the documentation and/or other materials provided with the distribution.\n *\n * c) Neither the name of Cisco Systems, Inc. nor the names of its\n * contributors may be used to endorse or promote products derived\n * from this software without specific prior written permission.\n *\n * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\n * \"AS IS\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,\n * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\n * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\n * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\n * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\n * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\n * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\n * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\n * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF\n * THE POSSIBILITY OF SUCH DAMAGE.\n */","#ifdef __FreeBSD__\n#include <sys/cdefs.h>","__FBSDID(\"$FreeBSD: head/sys/netinet/sctp_pcb.c 353477 2019-10-13 16:14:04Z markj $\");","#endif","#include <netinet/sctp_os.h>\n#ifdef __FreeBSD__\n#include <sys/proc.h>\n#endif\n#include <netinet/sctp_var.h>\n#include <netinet/sctp_sysctl.h>\n#include <netinet/sctp_pcb.h>\n#include <netinet/sctputil.h>\n#include <netinet/sctp.h>\n#include <netinet/sctp_header.h>\n#include <netinet/sctp_asconf.h>\n#include <netinet/sctp_output.h>\n#include <netinet/sctp_timer.h>\n#include <netinet/sctp_bsd_addr.h>\n#if defined(INET) || defined(INET6)\n#if !defined(__Userspace_os_Windows)\n#include <netinet/udp.h>\n#endif\n#endif\n#ifdef INET6\n#if defined(__Userspace__)\n#include \"user_ip6_var.h\"\n#else\n#include <netinet6/ip6_var.h>\n#endif\n#endif\n#if defined(__FreeBSD__)\n#include <sys/sched.h>\n#include <sys/smp.h>\n#include <sys/unistd.h>\n#endif\n#if defined(__Userspace__)\n#include <user_socketvar.h>\n#include <user_atomic.h>\n#if !defined(__Userspace_os_Windows)\n#include <netdb.h>\n#endif\n#endif","#if defined(__APPLE__)\n#define APPLE_FILE_NO 4\n#endif","#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\nVNET_DEFINE(struct sctp_base_info, system_base_info);\n#else\nstruct sctp_base_info system_base_info;\n#endif","/* FIX: we don't handle multiple link local scopes */\n/* \"scopeless\" replacement IN6_ARE_ADDR_EQUAL */\n#ifdef INET6\nint\nSCTP6_ARE_ADDR_EQUAL(struct sockaddr_in6 *a, struct sockaddr_in6 *b)\n{\n#ifdef SCTP_EMBEDDED_V6_SCOPE\n#if defined(__APPLE__)\n\tstruct in6_addr tmp_a, tmp_b;","\ttmp_a = a->sin6_addr;\n#if defined(APPLE_LEOPARD) || defined(APPLE_SNOWLEOPARD)\n\tif (in6_embedscope(&tmp_a, a, NULL, NULL) != 0) {\n#else\n\tif (in6_embedscope(&tmp_a, a, NULL, NULL, NULL) != 0) {\n#endif\n\t\treturn (0);\n\t}\n\ttmp_b = b->sin6_addr;\n#if defined(APPLE_LEOPARD) || defined(APPLE_SNOWLEOPARD)\n\tif (in6_embedscope(&tmp_b, b, NULL, NULL) != 0) {\n#else\n\tif (in6_embedscope(&tmp_b, b, NULL, NULL, NULL) != 0) {\n#endif\n\t\treturn (0);\n\t}\n\treturn (IN6_ARE_ADDR_EQUAL(&tmp_a, &tmp_b));\n#elif defined(SCTP_KAME)\n\tstruct sockaddr_in6 tmp_a, tmp_b;","\tmemcpy(&tmp_a, a, sizeof(struct sockaddr_in6));\n\tif (sa6_embedscope(&tmp_a, MODULE_GLOBAL(ip6_use_defzone)) != 0) {\n\t\treturn (0);\n\t}\n\tmemcpy(&tmp_b, b, sizeof(struct sockaddr_in6));\n\tif (sa6_embedscope(&tmp_b, MODULE_GLOBAL(ip6_use_defzone)) != 0) {\n\t\treturn (0);\n\t}\n\treturn (IN6_ARE_ADDR_EQUAL(&tmp_a.sin6_addr, &tmp_b.sin6_addr));\n#else\n\tstruct in6_addr tmp_a, tmp_b;","\ttmp_a = a->sin6_addr;\n\tif (in6_embedscope(&tmp_a, a) != 0) {\n\t\treturn (0);\n\t}\n\ttmp_b = b->sin6_addr;\n\tif (in6_embedscope(&tmp_b, b) != 0) {\n\t\treturn (0);\n\t}\n\treturn (IN6_ARE_ADDR_EQUAL(&tmp_a, &tmp_b));\n#endif\n#else\n\treturn (IN6_ARE_ADDR_EQUAL(&(a->sin6_addr), &(b->sin6_addr)));\n#endif /* SCTP_EMBEDDED_V6_SCOPE */\n}\n#endif","void\nsctp_fill_pcbinfo(struct sctp_pcbinfo *spcb)\n{\n\t/*\n\t * We really don't need to lock this, but I will just because it\n\t * does not hurt.\n\t */\n\tSCTP_INP_INFO_RLOCK();\n\tspcb->ep_count = SCTP_BASE_INFO(ipi_count_ep);\n\tspcb->asoc_count = SCTP_BASE_INFO(ipi_count_asoc);\n\tspcb->laddr_count = SCTP_BASE_INFO(ipi_count_laddr);\n\tspcb->raddr_count = SCTP_BASE_INFO(ipi_count_raddr);\n\tspcb->chk_count = SCTP_BASE_INFO(ipi_count_chunk);\n\tspcb->readq_count = SCTP_BASE_INFO(ipi_count_readq);\n\tspcb->stream_oque = SCTP_BASE_INFO(ipi_count_strmoq);\n\tspcb->free_chunks = SCTP_BASE_INFO(ipi_free_chunks);\n\tSCTP_INP_INFO_RUNLOCK();\n}","/*-\n * Addresses are added to VRF's (Virtual Router's). For BSD we\n * have only the default VRF 0. We maintain a hash list of\n * VRF's. Each VRF has its own list of sctp_ifn's. Each of\n * these has a list of addresses. When we add a new address\n * to a VRF we lookup the ifn/ifn_index, if the ifn does\n * not exist we create it and add it to the list of IFN's\n * within the VRF. Once we have the sctp_ifn, we add the\n * address to the list. So we look something like:\n *\n * hash-vrf-table\n * vrf-> ifn-> ifn -> ifn\n * vrf |\n * ... +--ifa-> ifa -> ifa\n * vrf\n *\n * We keep these separate lists since the SCTP subsystem will\n * point to these from its source address selection nets structure.\n * When an address is deleted it does not happen right away on\n * the SCTP side, it gets scheduled. What we do when a\n * delete happens is immediately remove the address from\n * the master list and decrement the refcount. As our\n * addip iterator works through and frees the src address\n * selection pointing to the sctp_ifa, eventually the refcount\n * will reach 0 and we will delete it. Note that it is assumed\n * that any locking on system level ifn/ifa is done at the\n * caller of these functions and these routines will only\n * lock the SCTP structures as they add or delete things.\n *\n * Other notes on VRF concepts.\n * - An endpoint can be in multiple VRF's\n * - An association lives within a VRF and only one VRF.\n * - Any incoming packet we can deduce the VRF for by\n * looking at the mbuf/pak inbound (for BSD its VRF=0 :D)\n * - Any downward send call or connect call must supply the\n * VRF via ancillary data or via some sort of set default\n * VRF socket option call (again for BSD no brainer since\n * the VRF is always 0).\n * - An endpoint may add multiple VRF's to it.\n * - Listening sockets can accept associations in any\n * of the VRF's they are in but the assoc will end up\n * in only one VRF (gotten from the packet or connect/send).\n *\n */","struct sctp_vrf *\nsctp_allocate_vrf(int vrf_id)\n{\n\tstruct sctp_vrf *vrf = NULL;\n\tstruct sctp_vrflist *bucket;","\t/* First allocate the VRF structure */\n\tvrf = sctp_find_vrf(vrf_id);\n\tif (vrf) {\n\t\t/* Already allocated */\n\t\treturn (vrf);\n\t}\n\tSCTP_MALLOC(vrf, struct sctp_vrf *, sizeof(struct sctp_vrf),\n\t\t SCTP_M_VRF);\n\tif (vrf == NULL) {\n\t\t/* No memory */\n#ifdef INVARIANTS\n\t\tpanic(\"No memory for VRF:%d\", vrf_id);\n#endif\n\t\treturn (NULL);\n\t}\n\t/* setup the VRF */\n\tmemset(vrf, 0, sizeof(struct sctp_vrf));\n\tvrf->vrf_id = vrf_id;\n\tLIST_INIT(&vrf->ifnlist);\n\tvrf->total_ifa_count = 0;\n\tvrf->refcount = 0;\n\t/* now also setup table ids */\n\tSCTP_INIT_VRF_TABLEID(vrf);\n\t/* Init the HASH of addresses */\n\tvrf->vrf_addr_hash = SCTP_HASH_INIT(SCTP_VRF_ADDR_HASH_SIZE,\n\t\t\t\t\t &vrf->vrf_addr_hashmark);\n\tif (vrf->vrf_addr_hash == NULL) {\n\t\t/* No memory */\n#ifdef INVARIANTS\n\t\tpanic(\"No memory for VRF:%d\", vrf_id);\n#endif\n\t\tSCTP_FREE(vrf, SCTP_M_VRF);\n\t\treturn (NULL);\n\t}","\t/* Add it to the hash table */\n\tbucket = &SCTP_BASE_INFO(sctp_vrfhash)[(vrf_id & SCTP_BASE_INFO(hashvrfmark))];\n\tLIST_INSERT_HEAD(bucket, vrf, next_vrf);\n\tatomic_add_int(&SCTP_BASE_INFO(ipi_count_vrfs), 1);\n\treturn (vrf);\n}","\nstruct sctp_ifn *\nsctp_find_ifn(void *ifn, uint32_t ifn_index)\n{\n\tstruct sctp_ifn *sctp_ifnp;\n\tstruct sctp_ifnlist *hash_ifn_head;","\t/* We assume the lock is held for the addresses\n\t * if that's wrong problems could occur :-)\n\t */\n\thash_ifn_head = &SCTP_BASE_INFO(vrf_ifn_hash)[(ifn_index & SCTP_BASE_INFO(vrf_ifn_hashmark))];\n\tLIST_FOREACH(sctp_ifnp, hash_ifn_head, next_bucket) {\n\t\tif (sctp_ifnp->ifn_index == ifn_index) {\n\t\t\treturn (sctp_ifnp);\n\t\t}\n\t\tif (sctp_ifnp->ifn_p && ifn && (sctp_ifnp->ifn_p == ifn)) {\n\t\t\treturn (sctp_ifnp);\n\t\t}\n\t}\n\treturn (NULL);\n}","\nstruct sctp_vrf *\nsctp_find_vrf(uint32_t vrf_id)\n{\n\tstruct sctp_vrflist *bucket;\n\tstruct sctp_vrf *liste;","\tbucket = &SCTP_BASE_INFO(sctp_vrfhash)[(vrf_id & SCTP_BASE_INFO(hashvrfmark))];\n\tLIST_FOREACH(liste, bucket, next_vrf) {\n\t\tif (vrf_id == liste->vrf_id) {\n\t\t\treturn (liste);\n\t\t}\n\t}\n\treturn (NULL);\n}","\nvoid\nsctp_free_vrf(struct sctp_vrf *vrf)\n{\n\tif (SCTP_DECREMENT_AND_CHECK_REFCOUNT(&vrf->refcount)) {\n if (vrf->vrf_addr_hash) {\n SCTP_HASH_FREE(vrf->vrf_addr_hash, vrf->vrf_addr_hashmark);\n vrf->vrf_addr_hash = NULL;\n }\n\t\t/* We zero'd the count */\n\t\tLIST_REMOVE(vrf, next_vrf);\n\t\tSCTP_FREE(vrf, SCTP_M_VRF);\n\t\tatomic_subtract_int(&SCTP_BASE_INFO(ipi_count_vrfs), 1);\n\t}\n}","\nvoid\nsctp_free_ifn(struct sctp_ifn *sctp_ifnp)\n{\n\tif (SCTP_DECREMENT_AND_CHECK_REFCOUNT(&sctp_ifnp->refcount)) {\n\t\t/* We zero'd the count */\n\t\tif (sctp_ifnp->vrf) {\n\t\t\tsctp_free_vrf(sctp_ifnp->vrf);\n\t\t}\n\t\tSCTP_FREE(sctp_ifnp, SCTP_M_IFN);\n\t\tatomic_subtract_int(&SCTP_BASE_INFO(ipi_count_ifns), 1);\n\t}\n}","\nvoid\nsctp_update_ifn_mtu(uint32_t ifn_index, uint32_t mtu)\n{\n\tstruct sctp_ifn *sctp_ifnp;","\tsctp_ifnp = sctp_find_ifn((void *)NULL, ifn_index);\n\tif (sctp_ifnp != NULL) {\n\t\tsctp_ifnp->ifn_mtu = mtu;\n\t}\n}","\nvoid\nsctp_free_ifa(struct sctp_ifa *sctp_ifap)\n{\n\tif (SCTP_DECREMENT_AND_CHECK_REFCOUNT(&sctp_ifap->refcount)) {\n\t\t/* We zero'd the count */\n\t\tif (sctp_ifap->ifn_p) {\n\t\t\tsctp_free_ifn(sctp_ifap->ifn_p);\n\t\t}\n\t\tSCTP_FREE(sctp_ifap, SCTP_M_IFA);\n\t\tatomic_subtract_int(&SCTP_BASE_INFO(ipi_count_ifas), 1);\n\t}\n}","\nstatic void\nsctp_delete_ifn(struct sctp_ifn *sctp_ifnp, int hold_addr_lock)\n{\n\tstruct sctp_ifn *found;","\tfound = sctp_find_ifn(sctp_ifnp->ifn_p, sctp_ifnp->ifn_index);\n\tif (found == NULL) {\n\t\t/* Not in the list.. sorry */\n\t\treturn;\n\t}\n\tif (hold_addr_lock == 0)\n\t\tSCTP_IPI_ADDR_WLOCK();\n\tLIST_REMOVE(sctp_ifnp, next_bucket);\n\tLIST_REMOVE(sctp_ifnp, next_ifn);\n\tSCTP_DEREGISTER_INTERFACE(sctp_ifnp->ifn_index,\n\t\t\t\t sctp_ifnp->registered_af);\n\tif (hold_addr_lock == 0)\n\t\tSCTP_IPI_ADDR_WUNLOCK();\n\t/* Take away the reference, and possibly free it */\n\tsctp_free_ifn(sctp_ifnp);\n}","\nvoid\nsctp_mark_ifa_addr_down(uint32_t vrf_id, struct sockaddr *addr,\n\t\t\tconst char *if_name, uint32_t ifn_index)\n{\n\tstruct sctp_vrf *vrf;\n\tstruct sctp_ifa *sctp_ifap;","\tSCTP_IPI_ADDR_RLOCK();\n\tvrf = sctp_find_vrf(vrf_id);\n\tif (vrf == NULL) {\n\t\tSCTPDBG(SCTP_DEBUG_PCB4, \"Can't find vrf_id 0x%x\\n\", vrf_id);\n\t\tgoto out;","\t}\n\tsctp_ifap = sctp_find_ifa_by_addr(addr, vrf->vrf_id, SCTP_ADDR_LOCKED);\n\tif (sctp_ifap == NULL) {\n\t\tSCTPDBG(SCTP_DEBUG_PCB4, \"Can't find sctp_ifap for address\\n\");\n\t\tgoto out;\n\t}\n\tif (sctp_ifap->ifn_p == NULL) {\n\t\tSCTPDBG(SCTP_DEBUG_PCB4, \"IFA has no IFN - can't mark unusable\\n\");\n\t\tgoto out;\n\t}\n\tif (if_name) {\n\t\tif (strncmp(if_name, sctp_ifap->ifn_p->ifn_name, SCTP_IFNAMSIZ) != 0) {\n\t\t\tSCTPDBG(SCTP_DEBUG_PCB4, \"IFN %s of IFA not the same as %s\\n\",\n\t\t\t\tsctp_ifap->ifn_p->ifn_name, if_name);\n\t\t\tgoto out;\n\t\t}\n\t} else {\n\t\tif (sctp_ifap->ifn_p->ifn_index != ifn_index) {\n\t\t\tSCTPDBG(SCTP_DEBUG_PCB4, \"IFA owned by ifn_index:%d down command for ifn_index:%d - ignored\\n\",\n\t\t\t\tsctp_ifap->ifn_p->ifn_index, ifn_index);\n\t\t\tgoto out;\n\t\t}\n\t}","\tsctp_ifap->localifa_flags &= (~SCTP_ADDR_VALID);\n\tsctp_ifap->localifa_flags |= SCTP_ADDR_IFA_UNUSEABLE;\n out:\n\tSCTP_IPI_ADDR_RUNLOCK();\n}","\nvoid\nsctp_mark_ifa_addr_up(uint32_t vrf_id, struct sockaddr *addr,\n\t\t const char *if_name, uint32_t ifn_index)\n{\n\tstruct sctp_vrf *vrf;\n\tstruct sctp_ifa *sctp_ifap;","\tSCTP_IPI_ADDR_RLOCK();\n\tvrf = sctp_find_vrf(vrf_id);\n\tif (vrf == NULL) {\n\t\tSCTPDBG(SCTP_DEBUG_PCB4, \"Can't find vrf_id 0x%x\\n\", vrf_id);\n\t\tgoto out;","\t}\n\tsctp_ifap = sctp_find_ifa_by_addr(addr, vrf->vrf_id, SCTP_ADDR_LOCKED);\n\tif (sctp_ifap == NULL) {\n\t\tSCTPDBG(SCTP_DEBUG_PCB4, \"Can't find sctp_ifap for address\\n\");\n\t\tgoto out;\n\t}\n\tif (sctp_ifap->ifn_p == NULL) {\n\t\tSCTPDBG(SCTP_DEBUG_PCB4, \"IFA has no IFN - can't mark unusable\\n\");\n\t\tgoto out;\n\t}\n\tif (if_name) {\n\t\tif (strncmp(if_name, sctp_ifap->ifn_p->ifn_name, SCTP_IFNAMSIZ) != 0) {\n\t\t\tSCTPDBG(SCTP_DEBUG_PCB4, \"IFN %s of IFA not the same as %s\\n\",\n\t\t\t\tsctp_ifap->ifn_p->ifn_name, if_name);\n\t\t\tgoto out;\n\t\t}\n\t} else {\n\t\tif (sctp_ifap->ifn_p->ifn_index != ifn_index) {\n\t\t\tSCTPDBG(SCTP_DEBUG_PCB4, \"IFA owned by ifn_index:%d down command for ifn_index:%d - ignored\\n\",\n\t\t\t\tsctp_ifap->ifn_p->ifn_index, ifn_index);\n\t\t\tgoto out;\n\t\t}\n\t}","\tsctp_ifap->localifa_flags &= (~SCTP_ADDR_IFA_UNUSEABLE);\n\tsctp_ifap->localifa_flags |= SCTP_ADDR_VALID;\n out:\n\tSCTP_IPI_ADDR_RUNLOCK();\n}","\n/*-\n * Add an ifa to an ifn.\n * Register the interface as necessary.\n * NOTE: ADDR write lock MUST be held.\n */\nstatic void\nsctp_add_ifa_to_ifn(struct sctp_ifn *sctp_ifnp, struct sctp_ifa *sctp_ifap)\n{\n\tint ifa_af;","\tLIST_INSERT_HEAD(&sctp_ifnp->ifalist, sctp_ifap, next_ifa);\n\tsctp_ifap->ifn_p = sctp_ifnp;\n\tatomic_add_int(&sctp_ifap->ifn_p->refcount, 1);\n\t/* update address counts */\n\tsctp_ifnp->ifa_count++;\n\tifa_af = sctp_ifap->address.sa.sa_family;\n\tswitch (ifa_af) {\n#ifdef INET\n\tcase AF_INET:\n\t\tsctp_ifnp->num_v4++;\n\t\tbreak;\n#endif\n#ifdef INET6\n\tcase AF_INET6:\n\t\tsctp_ifnp->num_v6++;\n\t\tbreak;\n#endif\n\tdefault:\n\t\tbreak;\n\t}\n\tif (sctp_ifnp->ifa_count == 1) {\n\t\t/* register the new interface */\n\t\tSCTP_REGISTER_INTERFACE(sctp_ifnp->ifn_index, ifa_af);\n\t\tsctp_ifnp->registered_af = ifa_af;\n\t}\n}","\n/*-\n * Remove an ifa from its ifn.\n * If no more addresses exist, remove the ifn too. Otherwise, re-register\n * the interface based on the remaining address families left.\n * NOTE: ADDR write lock MUST be held.\n */\nstatic void\nsctp_remove_ifa_from_ifn(struct sctp_ifa *sctp_ifap)\n{\n\tLIST_REMOVE(sctp_ifap, next_ifa);\n\tif (sctp_ifap->ifn_p) {\n\t\t/* update address counts */\n\t\tsctp_ifap->ifn_p->ifa_count--;\n\t\tswitch (sctp_ifap->address.sa.sa_family) {\n#ifdef INET\n\t\tcase AF_INET:\n\t\t\tsctp_ifap->ifn_p->num_v4--;\n\t\t\tbreak;\n#endif\n#ifdef INET6\n\t\tcase AF_INET6:\n\t\t\tsctp_ifap->ifn_p->num_v6--;\n\t\t\tbreak;\n#endif\n\t\tdefault:\n\t\t\tbreak;\n\t\t}","\t\tif (LIST_EMPTY(&sctp_ifap->ifn_p->ifalist)) {\n\t\t\t/* remove the ifn, possibly freeing it */\n\t\t\tsctp_delete_ifn(sctp_ifap->ifn_p, SCTP_ADDR_LOCKED);\n\t\t} else {\n\t\t\t/* re-register address family type, if needed */\n\t\t\tif ((sctp_ifap->ifn_p->num_v6 == 0) &&\n\t\t\t (sctp_ifap->ifn_p->registered_af == AF_INET6)) {\n\t\t\t\tSCTP_DEREGISTER_INTERFACE(sctp_ifap->ifn_p->ifn_index, AF_INET6);\n\t\t\t\tSCTP_REGISTER_INTERFACE(sctp_ifap->ifn_p->ifn_index, AF_INET);\n\t\t\t\tsctp_ifap->ifn_p->registered_af = AF_INET;\n\t\t\t} else if ((sctp_ifap->ifn_p->num_v4 == 0) &&\n\t\t\t\t (sctp_ifap->ifn_p->registered_af == AF_INET)) {\n\t\t\t\tSCTP_DEREGISTER_INTERFACE(sctp_ifap->ifn_p->ifn_index, AF_INET);\n\t\t\t\tSCTP_REGISTER_INTERFACE(sctp_ifap->ifn_p->ifn_index, AF_INET6);\n\t\t\t\tsctp_ifap->ifn_p->registered_af = AF_INET6;\n\t\t\t}\n\t\t\t/* free the ifn refcount */\n\t\t\tsctp_free_ifn(sctp_ifap->ifn_p);\n\t\t}\n\t\tsctp_ifap->ifn_p = NULL;\n\t}\n}","\nstruct sctp_ifa *\nsctp_add_addr_to_vrf(uint32_t vrf_id, void *ifn, uint32_t ifn_index,\n\t\t uint32_t ifn_type, const char *if_name, void *ifa,\n\t\t struct sockaddr *addr, uint32_t ifa_flags,\n\t\t int dynamic_add)\n{\n\tstruct sctp_vrf *vrf;\n\tstruct sctp_ifn *sctp_ifnp = NULL;\n\tstruct sctp_ifa *sctp_ifap = NULL;\n\tstruct sctp_ifalist *hash_addr_head;\n\tstruct sctp_ifnlist *hash_ifn_head;\n\tuint32_t hash_of_addr;\n\tint new_ifn_af = 0;","#ifdef SCTP_DEBUG\n\tSCTPDBG(SCTP_DEBUG_PCB4, \"vrf_id 0x%x: adding address: \", vrf_id);\n\tSCTPDBG_ADDR(SCTP_DEBUG_PCB4, addr);\n#endif\n\tSCTP_IPI_ADDR_WLOCK();\n\tsctp_ifnp = sctp_find_ifn(ifn, ifn_index);\n\tif (sctp_ifnp) {\n\t\tvrf = sctp_ifnp->vrf;\n\t} else {\n\t\tvrf = sctp_find_vrf(vrf_id);\n\t\tif (vrf == NULL) {\n\t\t\tvrf = sctp_allocate_vrf(vrf_id);\n\t\t\tif (vrf == NULL) {\n\t\t\t\tSCTP_IPI_ADDR_WUNLOCK();\n\t\t\t\treturn (NULL);\n\t\t\t}\n\t\t}\n\t}\n\tif (sctp_ifnp == NULL) {\n\t\t/* build one and add it, can't hold lock\n\t\t * until after malloc done though.\n\t\t */\n\t\tSCTP_IPI_ADDR_WUNLOCK();\n\t\tSCTP_MALLOC(sctp_ifnp, struct sctp_ifn *,\n\t\t\t sizeof(struct sctp_ifn), SCTP_M_IFN);\n\t\tif (sctp_ifnp == NULL) {\n#ifdef INVARIANTS\n\t\t\tpanic(\"No memory for IFN\");\n#endif\n\t\t\treturn (NULL);\n\t\t}\n\t\tmemset(sctp_ifnp, 0, sizeof(struct sctp_ifn));\n\t\tsctp_ifnp->ifn_index = ifn_index;\n\t\tsctp_ifnp->ifn_p = ifn;\n\t\tsctp_ifnp->ifn_type = ifn_type;\n\t\tsctp_ifnp->refcount = 0;\n\t\tsctp_ifnp->vrf = vrf;\n\t\tatomic_add_int(&vrf->refcount, 1);\n\t\tsctp_ifnp->ifn_mtu = SCTP_GATHER_MTU_FROM_IFN_INFO(ifn, ifn_index, addr->sa_family);\n\t\tif (if_name != NULL) {\n\t\t\tsnprintf(sctp_ifnp->ifn_name, SCTP_IFNAMSIZ, \"%s\", if_name);\n\t\t} else {\n\t\t\tsnprintf(sctp_ifnp->ifn_name, SCTP_IFNAMSIZ, \"%s\", \"unknown\");\n\t\t}\n\t\thash_ifn_head = &SCTP_BASE_INFO(vrf_ifn_hash)[(ifn_index & SCTP_BASE_INFO(vrf_ifn_hashmark))];\n\t\tLIST_INIT(&sctp_ifnp->ifalist);\n\t\tSCTP_IPI_ADDR_WLOCK();\n\t\tLIST_INSERT_HEAD(hash_ifn_head, sctp_ifnp, next_bucket);\n\t\tLIST_INSERT_HEAD(&vrf->ifnlist, sctp_ifnp, next_ifn);\n\t\tatomic_add_int(&SCTP_BASE_INFO(ipi_count_ifns), 1);\n\t\tnew_ifn_af = 1;\n\t}\n\tsctp_ifap = sctp_find_ifa_by_addr(addr, vrf->vrf_id, SCTP_ADDR_LOCKED);\n\tif (sctp_ifap) {\n\t\t/* Hmm, it already exists? */\n\t\tif ((sctp_ifap->ifn_p) &&\n\t\t (sctp_ifap->ifn_p->ifn_index == ifn_index)) {\n\t\t\tSCTPDBG(SCTP_DEBUG_PCB4, \"Using existing ifn %s (0x%x) for ifa %p\\n\",\n\t\t\t\tsctp_ifap->ifn_p->ifn_name, ifn_index,\n\t\t\t\t(void *)sctp_ifap);\n\t\t\tif (new_ifn_af) {\n\t\t\t\t/* Remove the created one that we don't want */\n\t\t\t\tsctp_delete_ifn(sctp_ifnp, SCTP_ADDR_LOCKED);\n\t\t\t}\n\t\t\tif (sctp_ifap->localifa_flags & SCTP_BEING_DELETED) {\n\t\t\t\t/* easy to solve, just switch back to active */\n\t\t\t\tSCTPDBG(SCTP_DEBUG_PCB4, \"Clearing deleted ifa flag\\n\");\n\t\t\t\tsctp_ifap->localifa_flags = SCTP_ADDR_VALID;\n\t\t\t\tsctp_ifap->ifn_p = sctp_ifnp;\n\t\t\t\tatomic_add_int(&sctp_ifap->ifn_p->refcount, 1);\n\t\t\t}\n\t\texit_stage_left:\n\t\t\tSCTP_IPI_ADDR_WUNLOCK();\n\t\t\treturn (sctp_ifap);\n\t\t} else {\n\t\t\tif (sctp_ifap->ifn_p) {\n\t\t\t\t/*\n\t\t\t\t * The last IFN gets the address, remove the\n\t\t\t\t * old one\n\t\t\t\t */\n\t\t\t\tSCTPDBG(SCTP_DEBUG_PCB4, \"Moving ifa %p from %s (0x%x) to %s (0x%x)\\n\",\n\t\t\t\t\t(void *)sctp_ifap, sctp_ifap->ifn_p->ifn_name,\n\t\t\t\t\tsctp_ifap->ifn_p->ifn_index, if_name,\n\t\t\t\t\tifn_index);\n\t\t\t\t/* remove the address from the old ifn */\n\t\t\t\tsctp_remove_ifa_from_ifn(sctp_ifap);\n\t\t\t\t/* move the address over to the new ifn */\n\t\t\t\tsctp_add_ifa_to_ifn(sctp_ifnp, sctp_ifap);\n\t\t\t\tgoto exit_stage_left;\n\t\t\t} else {\n\t\t\t\t/* repair ifnp which was NULL ? */\n\t\t\t\tsctp_ifap->localifa_flags = SCTP_ADDR_VALID;\n\t\t\t\tSCTPDBG(SCTP_DEBUG_PCB4, \"Repairing ifn %p for ifa %p\\n\",\n\t\t\t\t\t(void *)sctp_ifnp, (void *)sctp_ifap);\n\t\t\t\tsctp_add_ifa_to_ifn(sctp_ifnp, sctp_ifap);\n\t\t\t}\n\t\t\tgoto exit_stage_left;\n\t\t}\n\t}\n\tSCTP_IPI_ADDR_WUNLOCK();\n\tSCTP_MALLOC(sctp_ifap, struct sctp_ifa *, sizeof(struct sctp_ifa), SCTP_M_IFA);\n\tif (sctp_ifap == NULL) {\n#ifdef INVARIANTS\n\t\tpanic(\"No memory for IFA\");\n#endif\n\t\treturn (NULL);\n\t}\n\tmemset(sctp_ifap, 0, sizeof(struct sctp_ifa));\n\tsctp_ifap->ifn_p = sctp_ifnp;\n\tatomic_add_int(&sctp_ifnp->refcount, 1);\n\tsctp_ifap->vrf_id = vrf_id;\n\tsctp_ifap->ifa = ifa;\n#ifdef HAVE_SA_LEN\n\tmemcpy(&sctp_ifap->address, addr, addr->sa_len);\n#else\n\tswitch (addr->sa_family) {\n#ifdef INET\n\tcase AF_INET:\n\t\tmemcpy(&sctp_ifap->address, addr, sizeof(struct sockaddr_in));\n\t\tbreak;\n#endif\n#ifdef INET6\n\tcase AF_INET6:\n\t\tmemcpy(&sctp_ifap->address, addr, sizeof(struct sockaddr_in6));\n\t\tbreak;\n#endif\n#if defined(__Userspace__)\n\tcase AF_CONN:\n\t\tmemcpy(&sctp_ifap->address, addr, sizeof(struct sockaddr_conn));\n\t\tbreak;\n#endif\n\tdefault:\n\t\t/* TSNH */\n\t\tbreak;\n\t}\n#endif\n\tsctp_ifap->localifa_flags = SCTP_ADDR_VALID | SCTP_ADDR_DEFER_USE;\n\tsctp_ifap->flags = ifa_flags;\n\t/* Set scope */\n\tswitch (sctp_ifap->address.sa.sa_family) {\n#ifdef INET\n\tcase AF_INET:\n\t{\n\t\tstruct sockaddr_in *sin;","\t\tsin = &sctp_ifap->address.sin;\n\t\tif (SCTP_IFN_IS_IFT_LOOP(sctp_ifap->ifn_p) ||\n\t\t (IN4_ISLOOPBACK_ADDRESS(&sin->sin_addr))) {\n\t\t\tsctp_ifap->src_is_loop = 1;\n\t\t}\n\t\tif ((IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) {\n\t\t\tsctp_ifap->src_is_priv = 1;\n\t\t}\n\t\tsctp_ifnp->num_v4++;\n\t\tif (new_ifn_af)\n\t\t new_ifn_af = AF_INET;\n\t\tbreak;\n\t}\n#endif\n#ifdef INET6\n\tcase AF_INET6:\n\t{\n\t\t/* ok to use deprecated addresses? */\n\t\tstruct sockaddr_in6 *sin6;","\t\tsin6 = &sctp_ifap->address.sin6;\n\t\tif (SCTP_IFN_IS_IFT_LOOP(sctp_ifap->ifn_p) ||\n\t\t (IN6_IS_ADDR_LOOPBACK(&sin6->sin6_addr))) {\n\t\t\tsctp_ifap->src_is_loop = 1;\n\t\t}\n\t\tif (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {\n\t\t\tsctp_ifap->src_is_priv = 1;\n\t\t}\n\t\tsctp_ifnp->num_v6++;\n\t\tif (new_ifn_af)\n\t\t\tnew_ifn_af = AF_INET6;\n\t\tbreak;\n\t}\n#endif\n#if defined(__Userspace__)\n\tcase AF_CONN:\n\t\tif (new_ifn_af)\n\t\t\tnew_ifn_af = AF_CONN;\n\t\tbreak;\n#endif\n\tdefault:\n\t\tnew_ifn_af = 0;\n\t\tbreak;\n\t}\n\thash_of_addr = sctp_get_ifa_hash_val(&sctp_ifap->address.sa);","\tif ((sctp_ifap->src_is_priv == 0) &&\n\t (sctp_ifap->src_is_loop == 0)) {\n\t\tsctp_ifap->src_is_glob = 1;\n\t}\n\tSCTP_IPI_ADDR_WLOCK();\n\thash_addr_head = &vrf->vrf_addr_hash[(hash_of_addr & vrf->vrf_addr_hashmark)];\n\tLIST_INSERT_HEAD(hash_addr_head, sctp_ifap, next_bucket);\n\tsctp_ifap->refcount = 1;\n\tLIST_INSERT_HEAD(&sctp_ifnp->ifalist, sctp_ifap, next_ifa);\n\tsctp_ifnp->ifa_count++;\n\tvrf->total_ifa_count++;\n\tatomic_add_int(&SCTP_BASE_INFO(ipi_count_ifas), 1);\n\tif (new_ifn_af) {\n\t\tSCTP_REGISTER_INTERFACE(ifn_index, new_ifn_af);\n\t\tsctp_ifnp->registered_af = new_ifn_af;\n\t}\n\tSCTP_IPI_ADDR_WUNLOCK();\n\tif (dynamic_add) {\n\t\t/* Bump up the refcount so that when the timer\n\t\t * completes it will drop back down.\n\t\t */\n\t\tstruct sctp_laddr *wi;","\t\tatomic_add_int(&sctp_ifap->refcount, 1);\n\t\twi = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_laddr), struct sctp_laddr);\n\t\tif (wi == NULL) {\n\t\t\t/*\n\t\t\t * Gak, what can we do? We have lost an address\n\t\t\t * change can you say HOSED?\n\t\t\t */\n\t\t\tSCTPDBG(SCTP_DEBUG_PCB4, \"Lost an address change?\\n\");\n\t\t\t/* Opps, must decrement the count */\n\t\t\tsctp_del_addr_from_vrf(vrf_id, addr, ifn_index,\n\t\t\t\t\t if_name);\n\t\t\treturn (NULL);\n\t\t}\n\t\tSCTP_INCR_LADDR_COUNT();\n\t\tmemset(wi, 0, sizeof(*wi));\n\t\t(void)SCTP_GETTIME_TIMEVAL(&wi->start_time);\n\t\twi->ifa = sctp_ifap;\n\t\twi->action = SCTP_ADD_IP_ADDRESS;","\t\tSCTP_WQ_ADDR_LOCK();\n\t\tLIST_INSERT_HEAD(&SCTP_BASE_INFO(addr_wq), wi, sctp_nxt_addr);\n\t\tsctp_timer_start(SCTP_TIMER_TYPE_ADDR_WQ,\n\t\t\t\t (struct sctp_inpcb *)NULL,\n\t\t\t\t (struct sctp_tcb *)NULL,\n\t\t\t\t (struct sctp_nets *)NULL);\n\t\tSCTP_WQ_ADDR_UNLOCK();\n\t} else {\n\t\t/* it's ready for use */\n\t\tsctp_ifap->localifa_flags &= ~SCTP_ADDR_DEFER_USE;\n\t}\n\treturn (sctp_ifap);\n}","void\nsctp_del_addr_from_vrf(uint32_t vrf_id, struct sockaddr *addr,\n\t\t uint32_t ifn_index, const char *if_name)\n{\n\tstruct sctp_vrf *vrf;\n\tstruct sctp_ifa *sctp_ifap = NULL;","\tSCTP_IPI_ADDR_WLOCK();\n\tvrf = sctp_find_vrf(vrf_id);\n\tif (vrf == NULL) {\n\t\tSCTPDBG(SCTP_DEBUG_PCB4, \"Can't find vrf_id 0x%x\\n\", vrf_id);\n\t\tgoto out_now;\n\t}","#ifdef SCTP_DEBUG\n\tSCTPDBG(SCTP_DEBUG_PCB4, \"vrf_id 0x%x: deleting address:\", vrf_id);\n\tSCTPDBG_ADDR(SCTP_DEBUG_PCB4, addr);\n#endif\n\tsctp_ifap = sctp_find_ifa_by_addr(addr, vrf->vrf_id, SCTP_ADDR_LOCKED);\n\tif (sctp_ifap) {\n\t\t/* Validate the delete */\n\t\tif (sctp_ifap->ifn_p) {\n\t\t\tint valid = 0;\n\t\t\t/*-\n\t\t\t * The name has priority over the ifn_index\n\t\t\t * if its given. We do this especially for\n\t\t\t * panda who might recycle indexes fast.\n\t\t\t */\n\t\t\tif (if_name) {\n\t\t\t\tif (strncmp(if_name, sctp_ifap->ifn_p->ifn_name, SCTP_IFNAMSIZ) == 0) {\n\t\t\t\t\t/* They match its a correct delete */\n\t\t\t\t\tvalid = 1;\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (!valid) {\n\t\t\t\t/* last ditch check ifn_index */\n\t\t\t\tif (ifn_index == sctp_ifap->ifn_p->ifn_index) {\n\t\t\t\t\tvalid = 1;\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (!valid) {\n\t\t\t\tSCTPDBG(SCTP_DEBUG_PCB4, \"ifn:%d ifname:%s does not match addresses\\n\",\n\t\t\t\t\tifn_index, ((if_name == NULL) ? \"NULL\" : if_name));\n\t\t\t\tSCTPDBG(SCTP_DEBUG_PCB4, \"ifn:%d ifname:%s - ignoring delete\\n\",\n\t\t\t\t\tsctp_ifap->ifn_p->ifn_index, sctp_ifap->ifn_p->ifn_name);\n\t\t\t\tSCTP_IPI_ADDR_WUNLOCK();\n\t\t\t\treturn;\n\t\t\t}\n\t\t}\n\t\tSCTPDBG(SCTP_DEBUG_PCB4, \"Deleting ifa %p\\n\", (void *)sctp_ifap);\n\t\tsctp_ifap->localifa_flags &= SCTP_ADDR_VALID;\n /*\n\t\t * We don't set the flag. This means that the structure will\n\t\t * hang around in EP's that have bound specific to it until\n\t\t * they close. This gives us TCP like behavior if someone\n\t\t * removes an address (or for that matter adds it right back).\n\t\t */\n\t\t/* sctp_ifap->localifa_flags |= SCTP_BEING_DELETED; */\n\t\tvrf->total_ifa_count--;\n\t\tLIST_REMOVE(sctp_ifap, next_bucket);\n\t\tsctp_remove_ifa_from_ifn(sctp_ifap);\n\t}\n#ifdef SCTP_DEBUG\n\telse {\n\t\tSCTPDBG(SCTP_DEBUG_PCB4, \"Del Addr-ifn:%d Could not find address:\",\n\t\t\tifn_index);\n\t\tSCTPDBG_ADDR(SCTP_DEBUG_PCB1, addr);\n\t}\n#endif"," out_now:\n\tSCTP_IPI_ADDR_WUNLOCK();\n\tif (sctp_ifap) {\n\t\tstruct sctp_laddr *wi;","\t\twi = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_laddr), struct sctp_laddr);\n\t\tif (wi == NULL) {\n\t\t\t/*\n\t\t\t * Gak, what can we do? We have lost an address\n\t\t\t * change can you say HOSED?\n\t\t\t */\n\t\t\tSCTPDBG(SCTP_DEBUG_PCB4, \"Lost an address change?\\n\");","\t\t\t/* Oops, must decrement the count */\n\t\t\tsctp_free_ifa(sctp_ifap);\n\t\t\treturn;\n\t\t}\n\t\tSCTP_INCR_LADDR_COUNT();\n\t\tmemset(wi, 0, sizeof(*wi));\n\t\t(void)SCTP_GETTIME_TIMEVAL(&wi->start_time);\n\t\twi->ifa = sctp_ifap;\n\t\twi->action = SCTP_DEL_IP_ADDRESS;\n\t\tSCTP_WQ_ADDR_LOCK();\n\t\t/*\n\t\t * Should this really be a tailq? As it is we will process the\n\t\t * newest first :-0\n\t\t */\n\t\tLIST_INSERT_HEAD(&SCTP_BASE_INFO(addr_wq), wi, sctp_nxt_addr);\n\t\tsctp_timer_start(SCTP_TIMER_TYPE_ADDR_WQ,\n\t\t\t\t (struct sctp_inpcb *)NULL,\n\t\t\t\t (struct sctp_tcb *)NULL,\n\t\t\t\t (struct sctp_nets *)NULL);\n\t\tSCTP_WQ_ADDR_UNLOCK();\n\t}\n\treturn;\n}","\nstatic int\nsctp_does_stcb_own_this_addr(struct sctp_tcb *stcb, struct sockaddr *to)\n{\n\tint loopback_scope;\n#if defined(INET)\n\tint ipv4_local_scope, ipv4_addr_legal;\n#endif\n#if defined(INET6)\n\tint local_scope, site_scope, ipv6_addr_legal;\n#endif\n#if defined(__Userspace__)\n\tint conn_addr_legal;\n#endif\n\tstruct sctp_vrf *vrf;\n\tstruct sctp_ifn *sctp_ifn;\n\tstruct sctp_ifa *sctp_ifa;","\tloopback_scope = stcb->asoc.scope.loopback_scope;\n#if defined(INET)\n\tipv4_local_scope = stcb->asoc.scope.ipv4_local_scope;\n\tipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal;\n#endif\n#if defined(INET6)\n\tlocal_scope = stcb->asoc.scope.local_scope;\n\tsite_scope = stcb->asoc.scope.site_scope;\n\tipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal;\n#endif\n#if defined(__Userspace__)\n\tconn_addr_legal = stcb->asoc.scope.conn_addr_legal;\n#endif","\tSCTP_IPI_ADDR_RLOCK();\n\tvrf = sctp_find_vrf(stcb->asoc.vrf_id);\n\tif (vrf == NULL) {\n\t\t/* no vrf, no addresses */\n\t\tSCTP_IPI_ADDR_RUNLOCK();\n\t\treturn (0);\n\t}","\tif (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {\n\t\tLIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) {\n\t\t\tif ((loopback_scope == 0) &&\n\t\t\t SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) {\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tLIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) {\n\t\t\t\tif (sctp_is_addr_restricted(stcb, sctp_ifa) &&\n\t\t\t\t (!sctp_is_addr_pending(stcb, sctp_ifa))) {\n\t\t\t\t\t/* We allow pending addresses, where we\n\t\t\t\t\t * have sent an asconf-add to be considered\n\t\t\t\t\t * valid.\n\t\t\t\t\t */\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n\t\t\t\tif (sctp_ifa->address.sa.sa_family != to->sa_family) {\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n\t\t\t\tswitch (sctp_ifa->address.sa.sa_family) {\n#ifdef INET\n\t\t\t\tcase AF_INET:\n\t\t\t\t\tif (ipv4_addr_legal) {\n\t\t\t\t\t\tstruct sockaddr_in *sin, *rsin;","\t\t\t\t\t\tsin = &sctp_ifa->address.sin;\n\t\t\t\t\t\trsin = (struct sockaddr_in *)to;\n\t\t\t\t\t\tif ((ipv4_local_scope == 0) &&\n\t\t\t\t\t\t IN4_ISPRIVATE_ADDRESS(&sin->sin_addr)) {\n\t\t\t\t\t\t\tcontinue;\n\t\t\t\t\t\t}\n#if defined(__FreeBSD__)\n\t\t\t\t\t\tif (prison_check_ip4(stcb->sctp_ep->ip_inp.inp.inp_cred,\n\t\t\t\t\t\t &sin->sin_addr) != 0) {\n\t\t\t\t\t\t\tcontinue;\n\t\t\t\t\t\t}\n#endif\n\t\t\t\t\t\tif (sin->sin_addr.s_addr == rsin->sin_addr.s_addr) {\n\t\t\t\t\t\t\tSCTP_IPI_ADDR_RUNLOCK();\n\t\t\t\t\t\t\treturn (1);\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t\tbreak;\n#endif\n#ifdef INET6\n\t\t\t\tcase AF_INET6:\n\t\t\t\t\tif (ipv6_addr_legal) {\n\t\t\t\t\t\tstruct sockaddr_in6 *sin6, *rsin6;\n#if defined(SCTP_EMBEDDED_V6_SCOPE) && !defined(SCTP_KAME)\n\t\t\t\t\t\tstruct sockaddr_in6 lsa6;\n#endif\n\t\t\t\t\t\tsin6 = &sctp_ifa->address.sin6;\n\t\t\t\t\t\trsin6 = (struct sockaddr_in6 *)to;\n#if defined(__FreeBSD__)\n\t\t\t\t\t\tif (prison_check_ip6(stcb->sctp_ep->ip_inp.inp.inp_cred,\n\t\t\t\t\t\t &sin6->sin6_addr) != 0) {\n\t\t\t\t\t\t\tcontinue;\n\t\t\t\t\t\t}\n#endif\n\t\t\t\t\t\tif (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {\n\t\t\t\t\t\t\tif (local_scope == 0)\n\t\t\t\t\t\t\t\tcontinue;\n#if defined(SCTP_EMBEDDED_V6_SCOPE)\n\t\t\t\t\t\t\tif (sin6->sin6_scope_id == 0) {\n#ifdef SCTP_KAME\n\t\t\t\t\t\t\t\tif (sa6_recoverscope(sin6) != 0)\n\t\t\t\t\t\t\t\t\tcontinue;\n#else\n\t\t\t\t\t\t\t\tlsa6 = *sin6;\n\t\t\t\t\t\t\t\tif (in6_recoverscope(&lsa6,\n\t\t\t\t\t\t\t\t &lsa6.sin6_addr,\n\t\t\t\t\t\t\t\t NULL))\n\t\t\t\t\t\t\t\t\tcontinue;\n\t\t\t\t\t\t\t\tsin6 = &lsa6;\n#endif /* SCTP_KAME */\n\t\t\t\t\t\t\t}\n#endif /* SCTP_EMBEDDED_V6_SCOPE */\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ((site_scope == 0) &&\n\t\t\t\t\t\t (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) {\n\t\t\t\t\t\t\tcontinue;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif (SCTP6_ARE_ADDR_EQUAL(sin6, rsin6)) {\n\t\t\t\t\t\t\tSCTP_IPI_ADDR_RUNLOCK();\n\t\t\t\t\t\t\treturn (1);\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t\tbreak;\n#endif\n#if defined(__Userspace__)\n\t\t\t\tcase AF_CONN:\n\t\t\t\t\tif (conn_addr_legal) {\n\t\t\t\t\t\tstruct sockaddr_conn *sconn, *rsconn;","\t\t\t\t\t\tsconn = &sctp_ifa->address.sconn;\n\t\t\t\t\t\trsconn = (struct sockaddr_conn *)to;\n\t\t\t\t\t\tif (sconn->sconn_addr == rsconn->sconn_addr) {\n\t\t\t\t\t\t\tSCTP_IPI_ADDR_RUNLOCK();\n\t\t\t\t\t\t\treturn (1);\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t\tbreak;\n#endif\n\t\t\t\tdefault:\n\t\t\t\t\t/* TSNH */\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t} else {\n\t\tstruct sctp_laddr *laddr;","\t\tLIST_FOREACH(laddr, &stcb->sctp_ep->sctp_addr_list, sctp_nxt_addr) {\n\t\t\tif (laddr->ifa->localifa_flags & SCTP_BEING_DELETED) {\n\t\t\t\tSCTPDBG(SCTP_DEBUG_PCB1, \"ifa being deleted\\n\");\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tif (sctp_is_addr_restricted(stcb, laddr->ifa) &&\n\t\t\t (!sctp_is_addr_pending(stcb, laddr->ifa))) {\n\t\t\t\t/* We allow pending addresses, where we\n\t\t\t\t * have sent an asconf-add to be considered\n\t\t\t\t * valid.\n\t\t\t\t */\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tif (laddr->ifa->address.sa.sa_family != to->sa_family) {\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tswitch (to->sa_family) {\n#ifdef INET\n\t\t\tcase AF_INET:\n\t\t\t{\n\t\t\t\tstruct sockaddr_in *sin, *rsin;","\t\t\t\tsin = &laddr->ifa->address.sin;\n\t\t\t\trsin = (struct sockaddr_in *)to;\n\t\t\t\tif (sin->sin_addr.s_addr == rsin->sin_addr.s_addr) {\n\t\t\t\t\tSCTP_IPI_ADDR_RUNLOCK();\n\t\t\t\t\treturn (1);\n\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\t}\n#endif\n#ifdef INET6\n\t\t\tcase AF_INET6:\n\t\t\t{\n\t\t\t\tstruct sockaddr_in6 *sin6, *rsin6;","\t\t\t\tsin6 = &laddr->ifa->address.sin6;\n\t\t\t\trsin6 = (struct sockaddr_in6 *)to;\n\t\t\t\tif (SCTP6_ARE_ADDR_EQUAL(sin6, rsin6)) {\n\t\t\t\t\tSCTP_IPI_ADDR_RUNLOCK();\n\t\t\t\t\treturn (1);\n\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\t}","#endif\n#if defined(__Userspace__)\n\t\t\tcase AF_CONN:\n\t\t\t{\n\t\t\t\tstruct sockaddr_conn *sconn, *rsconn;","\t\t\t\tsconn = &laddr->ifa->address.sconn;\n\t\t\t\trsconn = (struct sockaddr_conn *)to;\n\t\t\t\tif (sconn->sconn_addr == rsconn->sconn_addr) {\n\t\t\t\t\tSCTP_IPI_ADDR_RUNLOCK();\n\t\t\t\t\treturn (1);\n\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\t}\n#endif\n\t\t\tdefault:\n\t\t\t\t/* TSNH */\n\t\t\t\tbreak;\n\t\t\t}","\t\t}\n\t}\n\tSCTP_IPI_ADDR_RUNLOCK();\n\treturn (0);\n}","\nstatic struct sctp_tcb *\nsctp_tcb_special_locate(struct sctp_inpcb **inp_p, struct sockaddr *from,\n struct sockaddr *to, struct sctp_nets **netp, uint32_t vrf_id)\n{\n\t/**** ASSUMES THE CALLER holds the INP_INFO_RLOCK */\n\t/*\n\t * If we support the TCP model, then we must now dig through to see\n\t * if we can find our endpoint in the list of tcp ep's.\n\t */\n\tuint16_t lport, rport;\n\tstruct sctppcbhead *ephead;\n\tstruct sctp_inpcb *inp;\n\tstruct sctp_laddr *laddr;\n\tstruct sctp_tcb *stcb;\n\tstruct sctp_nets *net;\n#ifdef SCTP_MVRF\n\tint fnd, i;\n#endif","\tif ((to == NULL) || (from == NULL)) {\n\t\treturn (NULL);\n\t}","\tswitch (to->sa_family) {\n#ifdef INET\n\tcase AF_INET:\n\t\tif (from->sa_family == AF_INET) {\n\t\t\tlport = ((struct sockaddr_in *)to)->sin_port;\n\t\t\trport = ((struct sockaddr_in *)from)->sin_port;\n\t\t} else {\n\t\t\treturn (NULL);\n\t\t}\n\t\tbreak;\n#endif\n#ifdef INET6\n\tcase AF_INET6:\n\t\tif (from->sa_family == AF_INET6) {\n\t\t\tlport = ((struct sockaddr_in6 *)to)->sin6_port;\n\t\t\trport = ((struct sockaddr_in6 *)from)->sin6_port;\n\t\t} else {\n\t\t\treturn (NULL);\n\t\t}\n\t\tbreak;\n#endif\n#if defined(__Userspace__)\n\tcase AF_CONN:\n\t\tif (from->sa_family == AF_CONN) {\n\t\t\tlport = ((struct sockaddr_conn *)to)->sconn_port;\n\t\t\trport = ((struct sockaddr_conn *)from)->sconn_port;\n\t\t} else {\n\t\t\treturn (NULL);\n\t\t}\n\t\tbreak;\n#endif\n\tdefault:\n\t\treturn (NULL);\n\t}\n\tephead = &SCTP_BASE_INFO(sctp_tcpephash)[SCTP_PCBHASH_ALLADDR((lport | rport), SCTP_BASE_INFO(hashtcpmark))];\n\t/*\n\t * Ok now for each of the guys in this bucket we must look and see:\n\t * - Does the remote port match. - Does there single association's\n\t * addresses match this address (to). If so we update p_ep to point\n\t * to this ep and return the tcb from it.\n\t */\n\tLIST_FOREACH(inp, ephead, sctp_hash) {\n\t\tSCTP_INP_RLOCK(inp);\n\t\tif (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {\n\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\tcontinue;\n\t\t}\n\t\tif (lport != inp->sctp_lport) {\n\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\tcontinue;\n\t\t}\n#if defined(__FreeBSD__)\n\t\tswitch (to->sa_family) {\n#ifdef INET\n\t\tcase AF_INET:\n\t\t{\n\t\t\tstruct sockaddr_in *sin;","\t\t\tsin = (struct sockaddr_in *)to;\n\t\t\tif (prison_check_ip4(inp->ip_inp.inp.inp_cred,\n\t\t\t &sin->sin_addr) != 0) {\n\t\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tbreak;\n\t\t}\n#endif\n#ifdef INET6\n\t\tcase AF_INET6:\n\t\t{\n\t\t\tstruct sockaddr_in6 *sin6;","\t\t\tsin6 = (struct sockaddr_in6 *)to;\n\t\t\tif (prison_check_ip6(inp->ip_inp.inp.inp_cred,\n\t\t\t &sin6->sin6_addr) != 0) {\n\t\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tbreak;\n\t\t}\n#endif\n\t\tdefault:\n\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\tcontinue;\n\t\t}\n#endif\n#ifdef SCTP_MVRF\n\t\tfnd = 0;\n\t\tfor (i = 0; i < inp->num_vrfs; i++) {\n\t\t\tif (inp->m_vrf_ids[i] == vrf_id) {\n\t\t\t\tfnd = 1;\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\t\tif (fnd == 0) {\n\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\tcontinue;\n\t\t}\n#else\n\t\tif (inp->def_vrf_id != vrf_id) {\n\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\tcontinue;\n\t\t}\n#endif\n\t\t/* check to see if the ep has one of the addresses */\n\t\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) {\n\t\t\t/* We are NOT bound all, so look further */\n\t\t\tint match = 0;","\t\t\tLIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {","\t\t\t\tif (laddr->ifa == NULL) {\n\t\t\t\t\tSCTPDBG(SCTP_DEBUG_PCB1, \"%s: NULL ifa\\n\", __func__);\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n\t\t\t\tif (laddr->ifa->localifa_flags & SCTP_BEING_DELETED) {\n\t\t\t\t\tSCTPDBG(SCTP_DEBUG_PCB1, \"ifa being deleted\\n\");\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n\t\t\t\tif (laddr->ifa->address.sa.sa_family ==\n\t\t\t\t to->sa_family) {\n\t\t\t\t\t/* see if it matches */\n#ifdef INET\n\t\t\t\t\tif (from->sa_family == AF_INET) {\n\t\t\t\t\t\tstruct sockaddr_in *intf_addr, *sin;","\t\t\t\t\t\tintf_addr = &laddr->ifa->address.sin;\n\t\t\t\t\t\tsin = (struct sockaddr_in *)to;\n\t\t\t\t\t\tif (sin->sin_addr.s_addr ==\n\t\t\t\t\t\t intf_addr->sin_addr.s_addr) {\n\t\t\t\t\t\t\tmatch = 1;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n#endif\n#ifdef INET6\n\t\t\t\t\tif (from->sa_family == AF_INET6) {\n\t\t\t\t\t\tstruct sockaddr_in6 *intf_addr6;\n\t\t\t\t\t\tstruct sockaddr_in6 *sin6;","\t\t\t\t\t\tsin6 = (struct sockaddr_in6 *)\n\t\t\t\t\t\t to;\n\t\t\t\t\t\tintf_addr6 = &laddr->ifa->address.sin6;","\t\t\t\t\t\tif (SCTP6_ARE_ADDR_EQUAL(sin6,\n\t\t\t\t\t\t intf_addr6)) {\n\t\t\t\t\t\t\tmatch = 1;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n#endif\n#if defined(__Userspace__)\n\t\t\t\t\tif (from->sa_family == AF_CONN) {\n\t\t\t\t\t\tstruct sockaddr_conn *intf_addr, *sconn;","\t\t\t\t\t\tintf_addr = &laddr->ifa->address.sconn;\n\t\t\t\t\t\tsconn = (struct sockaddr_conn *)to;\n\t\t\t\t\t\tif (sconn->sconn_addr ==\n\t\t\t\t\t\t intf_addr->sconn_addr) {\n\t\t\t\t\t\t\tmatch = 1;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n#endif\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (match == 0) {\n\t\t\t\t/* This endpoint does not have this address */\n\t\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t}\n\t\t/*\n\t\t * Ok if we hit here the ep has the address, does it hold\n\t\t * the tcb?\n\t\t */\n\t\t/* XXX: Why don't we TAILQ_FOREACH through sctp_asoc_list? */\n\t\tstcb = LIST_FIRST(&inp->sctp_asoc_list);\n\t\tif (stcb == NULL) {\n\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\tcontinue;\n\t\t}\n\t\tSCTP_TCB_LOCK(stcb);\n\t\tif (!sctp_does_stcb_own_this_addr(stcb, to)) {\n\t\t\tSCTP_TCB_UNLOCK(stcb);\n\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\tcontinue;\n\t\t}\n\t\tif (stcb->rport != rport) {\n\t\t\t/* remote port does not match. */\n\t\t\tSCTP_TCB_UNLOCK(stcb);\n\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\tcontinue;\n\t\t}\n\t\tif (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {\n\t\t\tSCTP_TCB_UNLOCK(stcb);\n\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\tcontinue;\n\t\t}\n\t\tif (!sctp_does_stcb_own_this_addr(stcb, to)) {\n\t\t\tSCTP_TCB_UNLOCK(stcb);\n\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\tcontinue;\n\t\t}\n\t\t/* Does this TCB have a matching address? */\n\t\tTAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {","\t\t\tif (net->ro._l_addr.sa.sa_family != from->sa_family) {\n\t\t\t\t/* not the same family, can't be a match */\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tswitch (from->sa_family) {\n#ifdef INET\n\t\t\tcase AF_INET:\n\t\t\t{\n\t\t\t\tstruct sockaddr_in *sin, *rsin;","\t\t\t\tsin = (struct sockaddr_in *)&net->ro._l_addr;\n\t\t\t\trsin = (struct sockaddr_in *)from;\n\t\t\t\tif (sin->sin_addr.s_addr ==\n\t\t\t\t rsin->sin_addr.s_addr) {\n\t\t\t\t\t/* found it */\n\t\t\t\t\tif (netp != NULL) {\n\t\t\t\t\t\t*netp = net;\n\t\t\t\t\t}\n\t\t\t\t\t/* Update the endpoint pointer */\n\t\t\t\t\t*inp_p = inp;\n\t\t\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\t\t\treturn (stcb);\n\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\t}\n#endif\n#ifdef INET6\n\t\t\tcase AF_INET6:\n\t\t\t{\n\t\t\t\tstruct sockaddr_in6 *sin6, *rsin6;","\t\t\t\tsin6 = (struct sockaddr_in6 *)&net->ro._l_addr;\n\t\t\t\trsin6 = (struct sockaddr_in6 *)from;\n\t\t\t\tif (SCTP6_ARE_ADDR_EQUAL(sin6,\n\t\t\t\t rsin6)) {\n\t\t\t\t\t/* found it */\n\t\t\t\t\tif (netp != NULL) {\n\t\t\t\t\t\t*netp = net;\n\t\t\t\t\t}\n\t\t\t\t\t/* Update the endpoint pointer */\n\t\t\t\t\t*inp_p = inp;\n\t\t\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\t\t\treturn (stcb);\n\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\t}\n#endif\n#if defined(__Userspace__)\n\t\t\tcase AF_CONN:\n\t\t\t{\n\t\t\t\tstruct sockaddr_conn *sconn, *rsconn;","\t\t\t\tsconn = (struct sockaddr_conn *)&net->ro._l_addr;\n\t\t\t\trsconn = (struct sockaddr_conn *)from;\n\t\t\t\tif (sconn->sconn_addr == rsconn->sconn_addr) {\n\t\t\t\t\t/* found it */\n\t\t\t\t\tif (netp != NULL) {\n\t\t\t\t\t\t*netp = net;\n\t\t\t\t\t}\n\t\t\t\t\t/* Update the endpoint pointer */\n\t\t\t\t\t*inp_p = inp;\n\t\t\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\t\t\treturn (stcb);\n\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\t}\n#endif\n\t\t\tdefault:\n\t\t\t\t/* TSNH */\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\t\tSCTP_TCB_UNLOCK(stcb);\n\t\tSCTP_INP_RUNLOCK(inp);\n\t}\n\treturn (NULL);\n}","\n/*\n * rules for use\n *\n * 1) If I return a NULL you must decrement any INP ref cnt. 2) If I find an\n * stcb, both will be locked (locked_tcb and stcb) but decrement will be done\n * (if locked == NULL). 3) Decrement happens on return ONLY if locked ==\n * NULL.\n */","struct sctp_tcb *\nsctp_findassociation_ep_addr(struct sctp_inpcb **inp_p, struct sockaddr *remote,\n struct sctp_nets **netp, struct sockaddr *local, struct sctp_tcb *locked_tcb)\n{\n\tstruct sctpasochead *head;\n\tstruct sctp_inpcb *inp;\n\tstruct sctp_tcb *stcb = NULL;\n\tstruct sctp_nets *net;\n\tuint16_t rport;","\tinp = *inp_p;\n\tswitch (remote->sa_family) {\n#ifdef INET\n\tcase AF_INET:\n\t\trport = (((struct sockaddr_in *)remote)->sin_port);\n\t\tbreak;\n#endif\n#ifdef INET6\n\tcase AF_INET6:\n\t\trport = (((struct sockaddr_in6 *)remote)->sin6_port);\n\t\tbreak;\n#endif\n#if defined(__Userspace__)\n\tcase AF_CONN:\n\t\trport = (((struct sockaddr_conn *)remote)->sconn_port);\n\t\tbreak;\n#endif\n\tdefault:\n\t\treturn (NULL);\n\t}\n\tif (locked_tcb) {\n\t\t/*\n\t\t * UN-lock so we can do proper locking here this occurs when\n\t\t * called from load_addresses_from_init.\n\t\t */\n\t\tatomic_add_int(&locked_tcb->asoc.refcnt, 1);\n\t\tSCTP_TCB_UNLOCK(locked_tcb);\n\t}\n\tSCTP_INP_INFO_RLOCK();\n\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\n\t (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {\n\t\t/*-\n\t\t * Now either this guy is our listener or it's the\n\t\t * connector. If it is the one that issued the connect, then\n\t\t * it's only chance is to be the first TCB in the list. If\n\t\t * it is the acceptor, then do the special_lookup to hash\n\t\t * and find the real inp.\n\t\t */\n\t\tif ((inp->sctp_socket) && SCTP_IS_LISTENING(inp)) {\n\t\t\t/* to is peer addr, from is my addr */\n#ifndef SCTP_MVRF\n\t\t\tstcb = sctp_tcb_special_locate(inp_p, remote, local,\n\t\t\t netp, inp->def_vrf_id);\n\t\t\tif ((stcb != NULL) && (locked_tcb == NULL)) {\n\t\t\t\t/* we have a locked tcb, lower refcount */\n\t\t\t\tSCTP_INP_DECR_REF(inp);\n\t\t\t}\n\t\t\tif ((locked_tcb != NULL) && (locked_tcb != stcb)) {\n\t\t\t\tSCTP_INP_RLOCK(locked_tcb->sctp_ep);\n\t\t\t\tSCTP_TCB_LOCK(locked_tcb);\n\t\t\t\tatomic_subtract_int(&locked_tcb->asoc.refcnt, 1);\n\t\t\t\tSCTP_INP_RUNLOCK(locked_tcb->sctp_ep);\n\t\t\t}\n#else\n\t\t\t/*-\n\t\t\t * MVRF is tricky, we must look in every VRF\n\t\t\t * the endpoint has.\n\t\t\t */\n\t\t\tint i;","\t\t\tfor (i = 0; i < inp->num_vrfs; i++) {\n\t\t\t\tstcb = sctp_tcb_special_locate(inp_p, remote, local,\n\t\t\t\t netp, inp->m_vrf_ids[i]);\n\t\t\t\tif ((stcb != NULL) && (locked_tcb == NULL)) {\n\t\t\t\t\t/* we have a locked tcb, lower refcount */\n\t\t\t\t\tSCTP_INP_DECR_REF(inp);\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t\tif ((locked_tcb != NULL) && (locked_tcb != stcb)) {\n\t\t\t\t\tSCTP_INP_RLOCK(locked_tcb->sctp_ep);\n\t\t\t\t\tSCTP_TCB_LOCK(locked_tcb);\n\t\t\t\t\tatomic_subtract_int(&locked_tcb->asoc.refcnt, 1);\n\t\t\t\t\tSCTP_INP_RUNLOCK(locked_tcb->sctp_ep);\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n#endif\n\t\t\tSCTP_INP_INFO_RUNLOCK();\n\t\t\treturn (stcb);\n\t\t} else {\n\t\t\tSCTP_INP_WLOCK(inp);\n\t\t\tif (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {\n\t\t\t\tgoto null_return;\n\t\t\t}\n\t\t\tstcb = LIST_FIRST(&inp->sctp_asoc_list);\n\t\t\tif (stcb == NULL) {\n\t\t\t\tgoto null_return;\n\t\t\t}\n\t\t\tSCTP_TCB_LOCK(stcb);","\t\t\tif (stcb->rport != rport) {\n\t\t\t\t/* remote port does not match. */\n\t\t\t\tSCTP_TCB_UNLOCK(stcb);\n\t\t\t\tgoto null_return;\n\t\t\t}\n\t\t\tif (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {\n\t\t\t\tSCTP_TCB_UNLOCK(stcb);\n\t\t\t\tgoto null_return;\n\t\t\t}\n\t\t\tif (local && !sctp_does_stcb_own_this_addr(stcb, local)) {\n\t\t\t\tSCTP_TCB_UNLOCK(stcb);\n\t\t\t\tgoto null_return;\n\t\t\t}\n\t\t\t/* now look at the list of remote addresses */\n\t\t\tTAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {\n#ifdef INVARIANTS\n\t\t\t\tif (net == (TAILQ_NEXT(net, sctp_next))) {\n\t\t\t\t\tpanic(\"Corrupt net list\");\n\t\t\t\t}\n#endif\n\t\t\t\tif (net->ro._l_addr.sa.sa_family !=\n\t\t\t\t remote->sa_family) {\n\t\t\t\t\t/* not the same family */\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n\t\t\t\tswitch (remote->sa_family) {\n#ifdef INET\n\t\t\t\tcase AF_INET:\n\t\t\t\t{\n\t\t\t\t\tstruct sockaddr_in *sin, *rsin;","\t\t\t\t\tsin = (struct sockaddr_in *)\n\t\t\t\t\t &net->ro._l_addr;\n\t\t\t\t\trsin = (struct sockaddr_in *)remote;\n\t\t\t\t\tif (sin->sin_addr.s_addr ==\n\t\t\t\t\t rsin->sin_addr.s_addr) {\n\t\t\t\t\t\t/* found it */\n\t\t\t\t\t\tif (netp != NULL) {\n\t\t\t\t\t\t\t*netp = net;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif (locked_tcb == NULL) {\n\t\t\t\t\t\t\tSCTP_INP_DECR_REF(inp);\n\t\t\t\t\t\t} else if (locked_tcb != stcb) {\n\t\t\t\t\t\t\tSCTP_TCB_LOCK(locked_tcb);\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif (locked_tcb) {\n\t\t\t\t\t\t\tatomic_subtract_int(&locked_tcb->asoc.refcnt, 1);\n\t\t\t\t\t\t}","\t\t\t\t\t\tSCTP_INP_WUNLOCK(inp);\n\t\t\t\t\t\tSCTP_INP_INFO_RUNLOCK();\n\t\t\t\t\t\treturn (stcb);\n\t\t\t\t\t}\n\t\t\t\t\tbreak;\n\t\t\t\t}\n#endif\n#ifdef INET6\n\t\t\t\tcase AF_INET6:\n\t\t\t\t{\n\t\t\t\t\tstruct sockaddr_in6 *sin6, *rsin6;","\t\t\t\t\tsin6 = (struct sockaddr_in6 *)&net->ro._l_addr;\n\t\t\t\t\trsin6 = (struct sockaddr_in6 *)remote;\n\t\t\t\t\tif (SCTP6_ARE_ADDR_EQUAL(sin6,\n\t\t\t\t\t rsin6)) {\n\t\t\t\t\t\t/* found it */\n\t\t\t\t\t\tif (netp != NULL) {\n\t\t\t\t\t\t\t*netp = net;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif (locked_tcb == NULL) {\n\t\t\t\t\t\t\tSCTP_INP_DECR_REF(inp);\n\t\t\t\t\t\t} else if (locked_tcb != stcb) {\n\t\t\t\t\t\t\tSCTP_TCB_LOCK(locked_tcb);\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif (locked_tcb) {\n\t\t\t\t\t\t\tatomic_subtract_int(&locked_tcb->asoc.refcnt, 1);\n\t\t\t\t\t\t}\n\t\t\t\t\t\tSCTP_INP_WUNLOCK(inp);\n\t\t\t\t\t\tSCTP_INP_INFO_RUNLOCK();\n\t\t\t\t\t\treturn (stcb);\n\t\t\t\t\t}\n\t\t\t\t\tbreak;\n\t\t\t\t}\n#endif\n#if defined(__Userspace__)\n\t\t\t\tcase AF_CONN:\n\t\t\t\t{\n\t\t\t\t\tstruct sockaddr_conn *sconn, *rsconn;","\t\t\t\t\tsconn = (struct sockaddr_conn *)&net->ro._l_addr;\n\t\t\t\t\trsconn = (struct sockaddr_conn *)remote;\n\t\t\t\t\tif (sconn->sconn_addr == rsconn->sconn_addr) {\n\t\t\t\t\t\t/* found it */\n\t\t\t\t\t\tif (netp != NULL) {\n\t\t\t\t\t\t\t*netp = net;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif (locked_tcb == NULL) {\n\t\t\t\t\t\t\tSCTP_INP_DECR_REF(inp);\n\t\t\t\t\t\t} else if (locked_tcb != stcb) {\n\t\t\t\t\t\t\tSCTP_TCB_LOCK(locked_tcb);\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif (locked_tcb) {\n\t\t\t\t\t\t\tatomic_subtract_int(&locked_tcb->asoc.refcnt, 1);\n\t\t\t\t\t\t}\n\t\t\t\t\t\tSCTP_INP_WUNLOCK(inp);\n\t\t\t\t\t\tSCTP_INP_INFO_RUNLOCK();\n\t\t\t\t\t\treturn (stcb);\n\t\t\t\t\t}\n\t\t\t\t\tbreak;\n\t\t\t\t}\n#endif\n\t\t\t\tdefault:\n\t\t\t\t\t/* TSNH */\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t\tSCTP_TCB_UNLOCK(stcb);\n\t\t}\n\t} else {\n\t\tSCTP_INP_WLOCK(inp);\n\t\tif (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {\n\t\t\tgoto null_return;\n\t\t}\n\t\thead = &inp->sctp_tcbhash[SCTP_PCBHASH_ALLADDR(rport,\n\t\t inp->sctp_hashmark)];\n\t\tLIST_FOREACH(stcb, head, sctp_tcbhash) {\n\t\t\tif (stcb->rport != rport) {\n\t\t\t\t/* remote port does not match */\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tSCTP_TCB_LOCK(stcb);\n\t\t\tif (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {\n\t\t\t\tSCTP_TCB_UNLOCK(stcb);\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tif (local && !sctp_does_stcb_own_this_addr(stcb, local)) {\n\t\t\t\tSCTP_TCB_UNLOCK(stcb);\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\t/* now look at the list of remote addresses */\n\t\t\tTAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {\n#ifdef INVARIANTS\n\t\t\t\tif (net == (TAILQ_NEXT(net, sctp_next))) {\n\t\t\t\t\tpanic(\"Corrupt net list\");\n\t\t\t\t}\n#endif\n\t\t\t\tif (net->ro._l_addr.sa.sa_family !=\n\t\t\t\t remote->sa_family) {\n\t\t\t\t\t/* not the same family */\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n\t\t\t\tswitch (remote->sa_family) {\n#ifdef INET\n\t\t\t\tcase AF_INET:\n\t\t\t\t{\n\t\t\t\t\tstruct sockaddr_in *sin, *rsin;","\t\t\t\t\tsin = (struct sockaddr_in *)\n\t\t\t\t\t &net->ro._l_addr;\n\t\t\t\t\trsin = (struct sockaddr_in *)remote;\n\t\t\t\t\tif (sin->sin_addr.s_addr ==\n\t\t\t\t\t rsin->sin_addr.s_addr) {\n\t\t\t\t\t\t/* found it */\n\t\t\t\t\t\tif (netp != NULL) {\n\t\t\t\t\t\t\t*netp = net;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif (locked_tcb == NULL) {\n\t\t\t\t\t\t\tSCTP_INP_DECR_REF(inp);\n\t\t\t\t\t\t} else if (locked_tcb != stcb) {\n\t\t\t\t\t\t\tSCTP_TCB_LOCK(locked_tcb);\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif (locked_tcb) {\n\t\t\t\t\t\t\tatomic_subtract_int(&locked_tcb->asoc.refcnt, 1);\n\t\t\t\t\t\t}\n\t\t\t\t\t\tSCTP_INP_WUNLOCK(inp);\n\t\t\t\t\t\tSCTP_INP_INFO_RUNLOCK();\n\t\t\t\t\t\treturn (stcb);\n\t\t\t\t\t}\n\t\t\t\t\tbreak;\n\t\t\t\t}\n#endif\n#ifdef INET6\n\t\t\t\tcase AF_INET6:\n\t\t\t\t{\n\t\t\t\t\tstruct sockaddr_in6 *sin6, *rsin6;","\t\t\t\t\tsin6 = (struct sockaddr_in6 *)\n\t\t\t\t\t &net->ro._l_addr;\n\t\t\t\t\trsin6 = (struct sockaddr_in6 *)remote;\n\t\t\t\t\tif (SCTP6_ARE_ADDR_EQUAL(sin6,\n\t\t\t\t\t rsin6)) {\n\t\t\t\t\t\t/* found it */\n\t\t\t\t\t\tif (netp != NULL) {\n\t\t\t\t\t\t\t*netp = net;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif (locked_tcb == NULL) {\n\t\t\t\t\t\t\tSCTP_INP_DECR_REF(inp);\n\t\t\t\t\t\t} else if (locked_tcb != stcb) {\n\t\t\t\t\t\t\tSCTP_TCB_LOCK(locked_tcb);\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif (locked_tcb) {\n\t\t\t\t\t\t\tatomic_subtract_int(&locked_tcb->asoc.refcnt, 1);\n\t\t\t\t\t\t}\n\t\t\t\t\t\tSCTP_INP_WUNLOCK(inp);\n\t\t\t\t\t\tSCTP_INP_INFO_RUNLOCK();\n\t\t\t\t\t\treturn (stcb);\n\t\t\t\t\t}\n\t\t\t\t\tbreak;\n\t\t\t\t}\n#endif\n#if defined(__Userspace__)\n\t\t\t\tcase AF_CONN:\n\t\t\t\t{\n\t\t\t\t\tstruct sockaddr_conn *sconn, *rsconn;","\t\t\t\t\tsconn = (struct sockaddr_conn *)&net->ro._l_addr;\n\t\t\t\t\trsconn = (struct sockaddr_conn *)remote;\n\t\t\t\t\tif (sconn->sconn_addr == rsconn->sconn_addr) {\n\t\t\t\t\t\t/* found it */\n\t\t\t\t\t\tif (netp != NULL) {\n\t\t\t\t\t\t\t*netp = net;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif (locked_tcb == NULL) {\n\t\t\t\t\t\t\tSCTP_INP_DECR_REF(inp);\n\t\t\t\t\t\t} else if (locked_tcb != stcb) {\n\t\t\t\t\t\t\tSCTP_TCB_LOCK(locked_tcb);\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif (locked_tcb) {\n\t\t\t\t\t\t\tatomic_subtract_int(&locked_tcb->asoc.refcnt, 1);\n\t\t\t\t\t\t}\n\t\t\t\t\t\tSCTP_INP_WUNLOCK(inp);\n\t\t\t\t\t\tSCTP_INP_INFO_RUNLOCK();\n\t\t\t\t\t\treturn (stcb);\n\t\t\t\t\t}\n\t\t\t\t\tbreak;\n\t\t\t\t}\n#endif\n\t\t\t\tdefault:\n\t\t\t\t\t/* TSNH */\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t\tSCTP_TCB_UNLOCK(stcb);\n\t\t}\n\t}\nnull_return:\n\t/* clean up for returning null */\n\tif (locked_tcb) {\n\t\tSCTP_TCB_LOCK(locked_tcb);\n\t\tatomic_subtract_int(&locked_tcb->asoc.refcnt, 1);\n\t}\n\tSCTP_INP_WUNLOCK(inp);\n\tSCTP_INP_INFO_RUNLOCK();\n\t/* not found */\n\treturn (NULL);\n}","\n/*\n * Find an association for a specific endpoint using the association id given\n * out in the COMM_UP notification\n */\nstruct sctp_tcb *\nsctp_findasoc_ep_asocid_locked(struct sctp_inpcb *inp, sctp_assoc_t asoc_id, int want_lock)\n{\n\t/*\n\t * Use my the assoc_id to find a endpoint\n\t */\n\tstruct sctpasochead *head;\n\tstruct sctp_tcb *stcb;\n\tuint32_t id;","\tif (inp == NULL) {\n\t\tSCTP_PRINTF(\"TSNH ep_associd\\n\");\n\t\treturn (NULL);\n\t}\n\tif (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {\n\t\tSCTP_PRINTF(\"TSNH ep_associd0\\n\");\n\t\treturn (NULL);\n\t}\n\tid = (uint32_t)asoc_id;\n\thead = &inp->sctp_asocidhash[SCTP_PCBHASH_ASOC(id, inp->hashasocidmark)];\n\tif (head == NULL) {\n\t\t/* invalid id TSNH */\n\t\tSCTP_PRINTF(\"TSNH ep_associd1\\n\");\n\t\treturn (NULL);\n\t}\n\tLIST_FOREACH(stcb, head, sctp_tcbasocidhash) {\n\t\tif (stcb->asoc.assoc_id == id) {\n\t\t\tif (inp != stcb->sctp_ep) {\n\t\t\t\t/*\n\t\t\t\t * some other guy has the same id active (id\n\t\t\t\t * collision ??).\n\t\t\t\t */\n\t\t\t\tSCTP_PRINTF(\"TSNH ep_associd2\\n\");\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tif (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tif (want_lock) {\n\t\t\t\tSCTP_TCB_LOCK(stcb);\n\t\t\t}\n\t\t\treturn (stcb);\n\t\t}\n\t}\n\treturn (NULL);\n}","\nstruct sctp_tcb *\nsctp_findassociation_ep_asocid(struct sctp_inpcb *inp, sctp_assoc_t asoc_id, int want_lock)\n{\n\tstruct sctp_tcb *stcb;","\tSCTP_INP_RLOCK(inp);\n\tstcb = sctp_findasoc_ep_asocid_locked(inp, asoc_id, want_lock);\n\tSCTP_INP_RUNLOCK(inp);\n\treturn (stcb);\n}","\n/*\n * Endpoint probe expects that the INP_INFO is locked.\n */\nstatic struct sctp_inpcb *\nsctp_endpoint_probe(struct sockaddr *nam, struct sctppcbhead *head,\n\t\t uint16_t lport, uint32_t vrf_id)\n{\n\tstruct sctp_inpcb *inp;\n\tstruct sctp_laddr *laddr;\n#ifdef INET\n\tstruct sockaddr_in *sin;\n#endif\n#ifdef INET6\n\tstruct sockaddr_in6 *sin6;\n\tstruct sockaddr_in6 *intf_addr6;\n#endif\n#if defined(__Userspace__)\n\tstruct sockaddr_conn *sconn;\n#endif\n#ifdef SCTP_MVRF\n\tint i;\n#endif\n\tint fnd;","#ifdef INET\n\tsin = NULL;\n#endif\n#ifdef INET6\n\tsin6 = NULL;\n#endif\n#if defined(__Userspace__)\n\tsconn = NULL;\n#endif\n\tswitch (nam->sa_family) {\n#ifdef INET\n\tcase AF_INET:\n\t\tsin = (struct sockaddr_in *)nam;\n\t\tbreak;\n#endif\n#ifdef INET6\n\tcase AF_INET6:\n\t\tsin6 = (struct sockaddr_in6 *)nam;\n\t\tbreak;\n#endif\n#if defined(__Userspace__)\n\tcase AF_CONN:\n\t\tsconn = (struct sockaddr_conn *)nam;\n\t\tbreak;\n#endif\n\tdefault:\n\t\t/* unsupported family */\n\t\treturn (NULL);\n\t}","\tif (head == NULL)\n\t\treturn (NULL);","\tLIST_FOREACH(inp, head, sctp_hash) {\n\t\tSCTP_INP_RLOCK(inp);\n\t\tif (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {\n\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\tcontinue;\n\t\t}\n\t\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) &&\n\t\t (inp->sctp_lport == lport)) {\n\t\t\t/* got it */\n\t\t\tswitch (nam->sa_family) {\n#ifdef INET\n\t\t\tcase AF_INET:\n\t\t\t\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) &&\n\t\t\t\t SCTP_IPV6_V6ONLY(inp)) {\n\t\t\t\t\t/* IPv4 on a IPv6 socket with ONLY IPv6 set */\n\t\t\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n#if defined(__FreeBSD__)\n\t\t\t\tif (prison_check_ip4(inp->ip_inp.inp.inp_cred,\n\t\t\t\t &sin->sin_addr) != 0) {\n\t\t\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n#endif\n\t\t\t\tbreak;\n#endif\n#ifdef INET6\n\t\t\tcase AF_INET6:\n\t\t\t\t/* A V6 address and the endpoint is NOT bound V6 */\n\t\t\t\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) {\n\t\t\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n#if defined(__FreeBSD__)\n\t\t\t\tif (prison_check_ip6(inp->ip_inp.inp.inp_cred,\n\t\t\t\t &sin6->sin6_addr) != 0) {\n\t\t\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n#endif\n\t\t\t\tbreak;\n#endif\n\t\t\tdefault:\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\t/* does a VRF id match? */\n\t\t\tfnd = 0;\n#ifdef SCTP_MVRF\n\t\t\tfor (i = 0; i < inp->num_vrfs; i++) {\n\t\t\t\tif (inp->m_vrf_ids[i] == vrf_id) {\n\t\t\t\t\tfnd = 1;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n#else\n\t\t\tif (inp->def_vrf_id == vrf_id)\n\t\t\t\tfnd = 1;\n#endif","\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\tif (!fnd)\n\t\t\t\tcontinue;\n\t\t\treturn (inp);\n\t\t}\n\t\tSCTP_INP_RUNLOCK(inp);\n\t}\n\tswitch (nam->sa_family) {\n#ifdef INET\n\tcase AF_INET:\n\t\tif (sin->sin_addr.s_addr == INADDR_ANY) {\n\t\t\t/* Can't hunt for one that has no address specified */\n\t\t\treturn (NULL);\n\t\t}\n\t\tbreak;\n#endif\n#ifdef INET6\n\tcase AF_INET6:\n\t\tif (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {\n\t\t\t/* Can't hunt for one that has no address specified */\n\t\t\treturn (NULL);\n\t\t}\n\t\tbreak;\n#endif\n#if defined(__Userspace__)\n\tcase AF_CONN:\n\t\tif (sconn->sconn_addr == NULL) {\n\t\t\treturn (NULL);\n\t\t}\n\t\tbreak;\n#endif\n\tdefault:\n\t\tbreak;\n\t}\n\t/*\n\t * ok, not bound to all so see if we can find a EP bound to this\n\t * address.\n\t */\n\tLIST_FOREACH(inp, head, sctp_hash) {\n\t\tSCTP_INP_RLOCK(inp);\n\t\tif (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {\n\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\tcontinue;\n\t\t}\n\t\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL)) {\n\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\tcontinue;\n\t\t}\n\t\t/*\n\t\t * Ok this could be a likely candidate, look at all of its\n\t\t * addresses\n\t\t */\n\t\tif (inp->sctp_lport != lport) {\n\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\tcontinue;\n\t\t}\n\t\t/* does a VRF id match? */\n\t\tfnd = 0;\n#ifdef SCTP_MVRF\n\t\tfor (i = 0; i < inp->num_vrfs; i++) {\n\t\t\tif (inp->m_vrf_ids[i] == vrf_id) {\n\t\t\t\tfnd = 1;\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n#else\n\t\tif (inp->def_vrf_id == vrf_id)\n\t\t\tfnd = 1;","#endif\n\t\tif (!fnd) {\n\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\tcontinue;\n\t\t}\n\t\tLIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {\n\t\t\tif (laddr->ifa == NULL) {\n\t\t\t\tSCTPDBG(SCTP_DEBUG_PCB1, \"%s: NULL ifa\\n\",\n\t\t\t\t\t__func__);\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tSCTPDBG(SCTP_DEBUG_PCB1, \"Ok laddr->ifa:%p is possible, \",\n\t\t\t\t(void *)laddr->ifa);\n\t\t\tif (laddr->ifa->localifa_flags & SCTP_BEING_DELETED) {\n\t\t\t\tSCTPDBG(SCTP_DEBUG_PCB1, \"Huh IFA being deleted\\n\");\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tif (laddr->ifa->address.sa.sa_family == nam->sa_family) {\n\t\t\t\t/* possible, see if it matches */\n\t\t\t\tswitch (nam->sa_family) {\n#ifdef INET\n\t\t\t\tcase AF_INET:\n#if defined(__APPLE__)\n\t\t\t\t\tif (sin == NULL) {\n\t\t\t\t\t\t/* TSNH */\n\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n#endif\n\t\t\t\t\tif (sin->sin_addr.s_addr ==\n\t\t\t\t\t laddr->ifa->address.sin.sin_addr.s_addr) {\n\t\t\t\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\t\t\t\treturn (inp);\n\t\t\t\t\t}\n\t\t\t\t\tbreak;\n#endif\n#ifdef INET6\n\t\t\t\tcase AF_INET6:\n\t\t\t\t\tintf_addr6 = &laddr->ifa->address.sin6;\n\t\t\t\t\tif (SCTP6_ARE_ADDR_EQUAL(sin6,\n\t\t\t\t\t intf_addr6)) {\n\t\t\t\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\t\t\t\treturn (inp);\n\t\t\t\t\t}\n\t\t\t\t\tbreak;\n#endif\n#if defined(__Userspace__)\n\t\t\t\tcase AF_CONN:\n\t\t\t\t\tif (sconn->sconn_addr == laddr->ifa->address.sconn.sconn_addr) {\n\t\t\t\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\t\t\t\treturn (inp);\n\t\t\t\t\t}\n\t\t\t\t\tbreak;\n#endif\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\tSCTP_INP_RUNLOCK(inp);\n\t}\n\treturn (NULL);\n}","\nstatic struct sctp_inpcb *\nsctp_isport_inuse(struct sctp_inpcb *inp, uint16_t lport, uint32_t vrf_id)\n{\n\tstruct sctppcbhead *head;\n\tstruct sctp_inpcb *t_inp;\n#ifdef SCTP_MVRF\n\tint i;\n#endif\n\tint fnd;","\thead = &SCTP_BASE_INFO(sctp_ephash)[SCTP_PCBHASH_ALLADDR(lport,\n\t SCTP_BASE_INFO(hashmark))];\n\tLIST_FOREACH(t_inp, head, sctp_hash) {\n\t\tif (t_inp->sctp_lport != lport) {\n\t\t\tcontinue;\n\t\t}\n\t\t/* is it in the VRF in question */\n\t\tfnd = 0;\n#ifdef SCTP_MVRF\n\t\tfor (i = 0; i < inp->num_vrfs; i++) {\n\t\t\tif (t_inp->m_vrf_ids[i] == vrf_id) {\n\t\t\t\tfnd = 1;\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n#else\n\t\tif (t_inp->def_vrf_id == vrf_id)\n\t\t\tfnd = 1;\n#endif\n\t\tif (!fnd)\n\t\t\tcontinue;","\t\t/* This one is in use. */\n\t\t/* check the v6/v4 binding issue */\n\t\tif ((t_inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) &&\n\t\t SCTP_IPV6_V6ONLY(t_inp)) {\n\t\t\tif (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {\n\t\t\t\t/* collision in V6 space */\n\t\t\t\treturn (t_inp);\n\t\t\t} else {\n\t\t\t\t/* inp is BOUND_V4 no conflict */\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t} else if (t_inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {\n\t\t\t/* t_inp is bound v4 and v6, conflict always */\n\t\t\treturn (t_inp);\n\t\t} else {\n\t\t\t/* t_inp is bound only V4 */\n\t\t\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) &&\n\t\t\t SCTP_IPV6_V6ONLY(inp)) {\n\t\t\t\t/* no conflict */\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\t/* else fall through to conflict */\n\t\t}\n\t\treturn (t_inp);\n\t}\n\treturn (NULL);\n}","\nint\nsctp_swap_inpcb_for_listen(struct sctp_inpcb *inp)\n{\n\t/* For 1-2-1 with port reuse */\n\tstruct sctppcbhead *head;\n\tstruct sctp_inpcb *tinp, *ninp;","\tif (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE)) {\n\t\t/* only works with port reuse on */\n\t\treturn (-1);\n\t}\n\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) {\n\t\treturn (0);\n\t}\n\tSCTP_INP_RUNLOCK(inp);\n\tSCTP_INP_INFO_WLOCK();\n\thead = &SCTP_BASE_INFO(sctp_ephash)[SCTP_PCBHASH_ALLADDR(inp->sctp_lport,\n\t SCTP_BASE_INFO(hashmark))];\n\t/* Kick out all non-listeners to the TCP hash */\n\tLIST_FOREACH_SAFE(tinp, head, sctp_hash, ninp) {\n\t\tif (tinp->sctp_lport != inp->sctp_lport) {\n\t\t\tcontinue;\n\t\t}\n\t\tif (tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {\n\t\t\tcontinue;\n\t\t}\n\t\tif (tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) {\n\t\t\tcontinue;\n\t\t}\n\t\tif (SCTP_IS_LISTENING(tinp)) {\n\t\t\tcontinue;\n\t\t}\n\t\tSCTP_INP_WLOCK(tinp);\n\t\tLIST_REMOVE(tinp, sctp_hash);\n\t\thead = &SCTP_BASE_INFO(sctp_tcpephash)[SCTP_PCBHASH_ALLADDR(tinp->sctp_lport, SCTP_BASE_INFO(hashtcpmark))];\n\t\ttinp->sctp_flags |= SCTP_PCB_FLAGS_IN_TCPPOOL;\n\t\tLIST_INSERT_HEAD(head, tinp, sctp_hash);\n\t\tSCTP_INP_WUNLOCK(tinp);\n\t}\n\tSCTP_INP_WLOCK(inp);\n\t/* Pull from where he was */\n\tLIST_REMOVE(inp, sctp_hash);\n\tinp->sctp_flags &= ~SCTP_PCB_FLAGS_IN_TCPPOOL;\n\thead = &SCTP_BASE_INFO(sctp_ephash)[SCTP_PCBHASH_ALLADDR(inp->sctp_lport, SCTP_BASE_INFO(hashmark))];\n\tLIST_INSERT_HEAD(head, inp, sctp_hash);\n\tSCTP_INP_WUNLOCK(inp);\n\tSCTP_INP_RLOCK(inp);\n\tSCTP_INP_INFO_WUNLOCK();\n\treturn (0);\n}","\nstruct sctp_inpcb *\nsctp_pcb_findep(struct sockaddr *nam, int find_tcp_pool, int have_lock,\n\t\tuint32_t vrf_id)\n{\n\t/*\n\t * First we check the hash table to see if someone has this port\n\t * bound with just the port.\n\t */\n\tstruct sctp_inpcb *inp;\n\tstruct sctppcbhead *head;\n\tint lport;\n\tunsigned int i;\n#ifdef INET\n\tstruct sockaddr_in *sin;\n#endif\n#ifdef INET6\n\tstruct sockaddr_in6 *sin6;\n#endif\n#if defined(__Userspace__)\n\tstruct sockaddr_conn *sconn;\n#endif","\tswitch (nam->sa_family) {\n#ifdef INET\n\tcase AF_INET:\n\t\tsin = (struct sockaddr_in *)nam;\n\t\tlport = sin->sin_port;\n\t\tbreak;\n#endif\n#ifdef INET6\n\tcase AF_INET6:\n\t\tsin6 = (struct sockaddr_in6 *)nam;\n\t\tlport = sin6->sin6_port;\n\t\tbreak;\n#endif\n#if defined(__Userspace__)\n\tcase AF_CONN:\n\t\tsconn = (struct sockaddr_conn *)nam;\n\t\tlport = sconn->sconn_port;\n\t\tbreak;\n#endif\n\tdefault:\n\t\treturn (NULL);\n\t}\n\t/*\n\t * I could cheat here and just cast to one of the types but we will\n\t * do it right. It also provides the check against an Unsupported\n\t * type too.\n\t */\n\t/* Find the head of the ALLADDR chain */\n\tif (have_lock == 0) {\n\t\tSCTP_INP_INFO_RLOCK();\n\t}\n\thead = &SCTP_BASE_INFO(sctp_ephash)[SCTP_PCBHASH_ALLADDR(lport,\n\t SCTP_BASE_INFO(hashmark))];\n\tinp = sctp_endpoint_probe(nam, head, lport, vrf_id);","\t/*\n\t * If the TCP model exists it could be that the main listening\n\t * endpoint is gone but there still exists a connected socket for this\n\t * guy. If so we can return the first one that we find. This may NOT\n\t * be the correct one so the caller should be wary on the returned INP.\n\t * Currently the only caller that sets find_tcp_pool is in bindx where\n\t * we are verifying that a user CAN bind the address. He either\n\t * has bound it already, or someone else has, or its open to bind,\n\t * so this is good enough.\n\t */\n\tif (inp == NULL && find_tcp_pool) {\n\t\tfor (i = 0; i < SCTP_BASE_INFO(hashtcpmark) + 1; i++) {\n\t\t\thead = &SCTP_BASE_INFO(sctp_tcpephash)[i];\n\t\t\tinp = sctp_endpoint_probe(nam, head, lport, vrf_id);\n\t\t\tif (inp) {\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\t}\n\tif (inp) {\n\t\tSCTP_INP_INCR_REF(inp);\n\t}\n\tif (have_lock == 0) {\n\t\tSCTP_INP_INFO_RUNLOCK();\n\t}\n\treturn (inp);\n}","\n/*\n * Find an association for an endpoint with the pointer to whom you want to\n * send to and the endpoint pointer. The address can be IPv4 or IPv6. We may\n * need to change the *to to some other struct like a mbuf...\n */\nstruct sctp_tcb *\nsctp_findassociation_addr_sa(struct sockaddr *from, struct sockaddr *to,\n struct sctp_inpcb **inp_p, struct sctp_nets **netp, int find_tcp_pool,\n uint32_t vrf_id)\n{\n\tstruct sctp_inpcb *inp = NULL;\n\tstruct sctp_tcb *stcb;","\tSCTP_INP_INFO_RLOCK();\n\tif (find_tcp_pool) {\n\t\tif (inp_p != NULL) {\n\t\t\tstcb = sctp_tcb_special_locate(inp_p, from, to, netp,\n\t\t\t vrf_id);\n\t\t} else {\n\t\t\tstcb = sctp_tcb_special_locate(&inp, from, to, netp,\n\t\t\t vrf_id);\n\t\t}\n\t\tif (stcb != NULL) {\n\t\t\tSCTP_INP_INFO_RUNLOCK();\n\t\t\treturn (stcb);\n\t\t}\n\t}\n\tinp = sctp_pcb_findep(to, 0, 1, vrf_id);\n\tif (inp_p != NULL) {\n\t\t*inp_p = inp;\n\t}\n\tSCTP_INP_INFO_RUNLOCK();\n\tif (inp == NULL) {\n\t\treturn (NULL);\n\t}\n\t/*\n\t * ok, we have an endpoint, now lets find the assoc for it (if any)\n\t * we now place the source address or from in the to of the find\n\t * endpoint call. Since in reality this chain is used from the\n\t * inbound packet side.\n\t */\n\tif (inp_p != NULL) {\n\t\tstcb = sctp_findassociation_ep_addr(inp_p, from, netp, to,\n\t\t NULL);\n\t} else {\n\t\tstcb = sctp_findassociation_ep_addr(&inp, from, netp, to,\n\t\t NULL);\n\t}\n\treturn (stcb);\n}","\n/*\n * This routine will grub through the mbuf that is a INIT or INIT-ACK and\n * find all addresses that the sender has specified in any address list. Each\n * address will be used to lookup the TCB and see if one exits.\n */\nstatic struct sctp_tcb *\nsctp_findassociation_special_addr(struct mbuf *m, int offset,\n struct sctphdr *sh, struct sctp_inpcb **inp_p, struct sctp_nets **netp,\n struct sockaddr *dst)\n{\n\tstruct sctp_paramhdr *phdr, param_buf;\n#if defined(INET) || defined(INET6)\n\tstruct sctp_tcb *stcb;\n\tuint16_t ptype;\n#endif\n\tuint16_t plen;\n#ifdef INET\n\tstruct sockaddr_in sin4;\n#endif\n#ifdef INET6\n\tstruct sockaddr_in6 sin6;\n#endif","#ifdef INET\n\tmemset(&sin4, 0, sizeof(sin4));\n#ifdef HAVE_SIN_LEN\n\tsin4.sin_len = sizeof(sin4);\n#endif\n\tsin4.sin_family = AF_INET;\n\tsin4.sin_port = sh->src_port;\n#endif\n#ifdef INET6\n\tmemset(&sin6, 0, sizeof(sin6));\n#ifdef HAVE_SIN6_LEN\n\tsin6.sin6_len = sizeof(sin6);\n#endif\n\tsin6.sin6_family = AF_INET6;\n\tsin6.sin6_port = sh->src_port;\n#endif","\toffset += sizeof(struct sctp_init_chunk);","\tphdr = sctp_get_next_param(m, offset, ¶m_buf, sizeof(param_buf));\n\twhile (phdr != NULL) {\n\t\t/* now we must see if we want the parameter */\n#if defined(INET) || defined(INET6)\n\t\tptype = ntohs(phdr->param_type);\n#endif\n\t\tplen = ntohs(phdr->param_length);\n\t\tif (plen == 0) {\n\t\t\tbreak;\n\t\t}\n#ifdef INET\n\t\tif (ptype == SCTP_IPV4_ADDRESS &&\n\t\t plen == sizeof(struct sctp_ipv4addr_param)) {\n\t\t\t/* Get the rest of the address */\n\t\t\tstruct sctp_ipv4addr_param ip4_param, *p4;","\t\t\tphdr = sctp_get_next_param(m, offset,\n\t\t\t (struct sctp_paramhdr *)&ip4_param, sizeof(ip4_param));\n\t\t\tif (phdr == NULL) {\n\t\t\t\treturn (NULL);\n\t\t\t}\n\t\t\tp4 = (struct sctp_ipv4addr_param *)phdr;\n\t\t\tmemcpy(&sin4.sin_addr, &p4->addr, sizeof(p4->addr));\n\t\t\t/* look it up */\n\t\t\tstcb = sctp_findassociation_ep_addr(inp_p,\n\t\t\t (struct sockaddr *)&sin4, netp, dst, NULL);\n\t\t\tif (stcb != NULL) {\n\t\t\t\treturn (stcb);\n\t\t\t}\n\t\t}\n#endif\n#ifdef INET6\n\t\tif (ptype == SCTP_IPV6_ADDRESS &&\n\t\t plen == sizeof(struct sctp_ipv6addr_param)) {\n\t\t\t/* Get the rest of the address */\n\t\t\tstruct sctp_ipv6addr_param ip6_param, *p6;","\t\t\tphdr = sctp_get_next_param(m, offset,\n\t\t\t (struct sctp_paramhdr *)&ip6_param, sizeof(ip6_param));\n\t\t\tif (phdr == NULL) {\n\t\t\t\treturn (NULL);\n\t\t\t}\n\t\t\tp6 = (struct sctp_ipv6addr_param *)phdr;\n\t\t\tmemcpy(&sin6.sin6_addr, &p6->addr, sizeof(p6->addr));\n\t\t\t/* look it up */\n\t\t\tstcb = sctp_findassociation_ep_addr(inp_p,\n\t\t\t (struct sockaddr *)&sin6, netp, dst, NULL);\n\t\t\tif (stcb != NULL) {\n\t\t\t\treturn (stcb);\n\t\t\t}\n\t\t}\n#endif\n\t\toffset += SCTP_SIZE32(plen);\n\t\tphdr = sctp_get_next_param(m, offset, ¶m_buf,\n\t\t\t\t\t sizeof(param_buf));\n\t}\n\treturn (NULL);\n}","static struct sctp_tcb *\nsctp_findassoc_by_vtag(struct sockaddr *from, struct sockaddr *to, uint32_t vtag,\n\t\t struct sctp_inpcb **inp_p, struct sctp_nets **netp, uint16_t rport,\n\t\t uint16_t lport, int skip_src_check, uint32_t vrf_id, uint32_t remote_tag)\n{\n\t/*\n\t * Use my vtag to hash. If we find it we then verify the source addr\n\t * is in the assoc. If all goes well we save a bit on rec of a\n\t * packet.\n\t */\n\tstruct sctpasochead *head;\n\tstruct sctp_nets *net;\n\tstruct sctp_tcb *stcb;\n#ifdef SCTP_MVRF\n\tunsigned int i;\n#endif","\tSCTP_INP_INFO_RLOCK();\n\thead = &SCTP_BASE_INFO(sctp_asochash)[SCTP_PCBHASH_ASOC(vtag,\n\t SCTP_BASE_INFO(hashasocmark))];\n\tLIST_FOREACH(stcb, head, sctp_asocs) {\n\t\tSCTP_INP_RLOCK(stcb->sctp_ep);\n\t\tif (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {\n\t\t\tSCTP_INP_RUNLOCK(stcb->sctp_ep);\n\t\t\tcontinue;\n\t\t}\n#ifdef SCTP_MVRF\n\t\tfor (i = 0; i < stcb->sctp_ep->num_vrfs; i++) {\n\t\t\tif (stcb->sctp_ep->m_vrf_ids[i] == vrf_id) {\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\t\tif (i == stcb->sctp_ep->num_vrfs) {\n\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\tcontinue;\n\t\t}\n#else\n\t\tif (stcb->sctp_ep->def_vrf_id != vrf_id) {\n\t\t\tSCTP_INP_RUNLOCK(stcb->sctp_ep);\n\t\t\tcontinue;\n\t\t}\n#endif\n\t\tSCTP_TCB_LOCK(stcb);\n\t\tSCTP_INP_RUNLOCK(stcb->sctp_ep);\n\t\tif (stcb->asoc.my_vtag == vtag) {\n\t\t\t/* candidate */\n\t\t\tif (stcb->rport != rport) {\n\t\t\t\tSCTP_TCB_UNLOCK(stcb);\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tif (stcb->sctp_ep->sctp_lport != lport) {\n\t\t\t\tSCTP_TCB_UNLOCK(stcb);\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tif (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {\n\t\t\t\tSCTP_TCB_UNLOCK(stcb);\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\t/* RRS:Need toaddr check here */\n\t\t\tif (sctp_does_stcb_own_this_addr(stcb, to) == 0) {\n\t\t\t /* Endpoint does not own this address */\n\t\t\t\tSCTP_TCB_UNLOCK(stcb);\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tif (remote_tag) {\n\t\t\t\t/* If we have both vtags that's all we match on */\n\t\t\t\tif (stcb->asoc.peer_vtag == remote_tag) {\n\t\t\t\t\t/* If both tags match we consider it conclusive\n\t\t\t\t\t * and check NO source/destination addresses\n\t\t\t\t\t */\n\t\t\t\t\tgoto conclusive;\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (skip_src_check) {\n\t\t\tconclusive:\n\t\t\t if (from) {\n\t\t\t\t\t*netp = sctp_findnet(stcb, from);\n\t\t\t\t} else {\n\t\t\t\t\t*netp = NULL;\t/* unknown */\n\t\t\t\t}\n\t\t\t\tif (inp_p)\n\t\t\t\t\t*inp_p = stcb->sctp_ep;\n\t\t\t\tSCTP_INP_INFO_RUNLOCK();\n\t\t\t\treturn (stcb);\n\t\t\t}\n\t\t\tnet = sctp_findnet(stcb, from);\n\t\t\tif (net) {\n\t\t\t\t/* yep its him. */\n\t\t\t\t*netp = net;\n\t\t\t\tSCTP_STAT_INCR(sctps_vtagexpress);\n\t\t\t\t*inp_p = stcb->sctp_ep;\n\t\t\t\tSCTP_INP_INFO_RUNLOCK();\n\t\t\t\treturn (stcb);\n\t\t\t} else {\n\t\t\t\t/*\n\t\t\t\t * not him, this should only happen in rare\n\t\t\t\t * cases so I peg it.\n\t\t\t\t */\n\t\t\t\tSCTP_STAT_INCR(sctps_vtagbogus);\n\t\t\t}\n\t\t}\n\t\tSCTP_TCB_UNLOCK(stcb);\n\t}\n\tSCTP_INP_INFO_RUNLOCK();\n\treturn (NULL);\n}","\n/*\n * Find an association with the pointer to the inbound IP packet. This can be\n * a IPv4 or IPv6 packet.\n */\nstruct sctp_tcb *\nsctp_findassociation_addr(struct mbuf *m, int offset,\n struct sockaddr *src, struct sockaddr *dst,\n struct sctphdr *sh, struct sctp_chunkhdr *ch,\n struct sctp_inpcb **inp_p, struct sctp_nets **netp, uint32_t vrf_id)\n{\n\tstruct sctp_tcb *stcb;\n\tstruct sctp_inpcb *inp;","\tif (sh->v_tag) {\n\t\t/* we only go down this path if vtag is non-zero */\n\t\tstcb = sctp_findassoc_by_vtag(src, dst, ntohl(sh->v_tag),\n\t\t inp_p, netp, sh->src_port, sh->dest_port, 0, vrf_id, 0);\n\t\tif (stcb) {\n\t\t\treturn (stcb);\n\t\t}\n\t}","\tif (inp_p) {\n\t\tstcb = sctp_findassociation_addr_sa(src, dst, inp_p, netp,\n\t\t 1, vrf_id);\n\t\tinp = *inp_p;\n\t} else {\n\t\tstcb = sctp_findassociation_addr_sa(src, dst, &inp, netp,\n\t\t 1, vrf_id);\n\t}\n\tSCTPDBG(SCTP_DEBUG_PCB1, \"stcb:%p inp:%p\\n\", (void *)stcb, (void *)inp);\n\tif (stcb == NULL && inp) {\n\t\t/* Found a EP but not this address */\n\t\tif ((ch->chunk_type == SCTP_INITIATION) ||\n\t\t (ch->chunk_type == SCTP_INITIATION_ACK)) {\n\t\t\t/*-\n\t\t\t * special hook, we do NOT return linp or an\n\t\t\t * association that is linked to an existing\n\t\t\t * association that is under the TCP pool (i.e. no\n\t\t\t * listener exists). The endpoint finding routine\n\t\t\t * will always find a listener before examining the\n\t\t\t * TCP pool.\n\t\t\t */\n\t\t\tif (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) {\n\t\t\t\tif (inp_p) {\n\t\t\t\t\t*inp_p = NULL;\n\t\t\t\t}\n\t\t\t\treturn (NULL);\n\t\t\t}\n\t\t\tstcb = sctp_findassociation_special_addr(m,\n\t\t\t offset, sh, &inp, netp, dst);\n\t\t\tif (inp_p != NULL) {\n\t\t\t\t*inp_p = inp;\n\t\t\t}\n\t\t}\n\t}\n\tSCTPDBG(SCTP_DEBUG_PCB1, \"stcb is %p\\n\", (void *)stcb);\n\treturn (stcb);\n}","/*\n * lookup an association by an ASCONF lookup address.\n * if the lookup address is 0.0.0.0 or ::0, use the vtag to do the lookup\n */\nstruct sctp_tcb *\nsctp_findassociation_ep_asconf(struct mbuf *m, int offset,\n\t\t\t struct sockaddr *dst, struct sctphdr *sh,\n struct sctp_inpcb **inp_p, struct sctp_nets **netp, uint32_t vrf_id)\n{\n\tstruct sctp_tcb *stcb;\n\tunion sctp_sockstore remote_store;\n\tstruct sctp_paramhdr param_buf, *phdr;\n\tint ptype;\n\tint zero_address = 0;\n#ifdef INET\n\tstruct sockaddr_in *sin;\n#endif\n#ifdef INET6\n\tstruct sockaddr_in6 *sin6;\n#endif","\tmemset(&remote_store, 0, sizeof(remote_store));\n\tphdr = sctp_get_next_param(m, offset + sizeof(struct sctp_asconf_chunk),\n\t\t\t\t ¶m_buf, sizeof(struct sctp_paramhdr));\n\tif (phdr == NULL) {\n\t\tSCTPDBG(SCTP_DEBUG_INPUT3, \"%s: failed to get asconf lookup addr\\n\",\n\t\t\t__func__);\n\t\treturn NULL;\n\t}\n\tptype = (int)((uint32_t) ntohs(phdr->param_type));\n\t/* get the correlation address */\n\tswitch (ptype) {\n#ifdef INET6\n\tcase SCTP_IPV6_ADDRESS:\n\t{\n\t\t/* ipv6 address param */\n\t\tstruct sctp_ipv6addr_param *p6, p6_buf;","\t\tif (ntohs(phdr->param_length) != sizeof(struct sctp_ipv6addr_param)) {\n\t\t\treturn NULL;\n\t\t}\n\t\tp6 = (struct sctp_ipv6addr_param *)sctp_get_next_param(m,\n\t\t\t\t\t\t\t\t offset + sizeof(struct sctp_asconf_chunk),\n\t\t\t\t\t\t\t\t &p6_buf.ph, sizeof(p6_buf));\n\t\tif (p6 == NULL) {\n\t\t\tSCTPDBG(SCTP_DEBUG_INPUT3, \"%s: failed to get asconf v6 lookup addr\\n\",\n\t\t\t\t__func__);\n\t\t\treturn (NULL);\n\t\t}\n\t\tsin6 = &remote_store.sin6;\n\t\tsin6->sin6_family = AF_INET6;\n#ifdef HAVE_SIN6_LEN\n\t\tsin6->sin6_len = sizeof(*sin6);\n#endif\n\t\tsin6->sin6_port = sh->src_port;\n\t\tmemcpy(&sin6->sin6_addr, &p6->addr, sizeof(struct in6_addr));\n\t\tif (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr))\n\t\t\tzero_address = 1;\n\t\tbreak;\n\t}\n#endif\n#ifdef INET\n\tcase SCTP_IPV4_ADDRESS:\n\t{\n\t\t/* ipv4 address param */\n\t\tstruct sctp_ipv4addr_param *p4, p4_buf;","\t\tif (ntohs(phdr->param_length) != sizeof(struct sctp_ipv4addr_param)) {\n\t\t\treturn NULL;\n\t\t}\n\t\tp4 = (struct sctp_ipv4addr_param *)sctp_get_next_param(m,\n\t\t\t\t\t\t\t\t offset + sizeof(struct sctp_asconf_chunk),\n\t\t\t\t\t\t\t\t &p4_buf.ph, sizeof(p4_buf));\n\t\tif (p4 == NULL) {\n\t\t\tSCTPDBG(SCTP_DEBUG_INPUT3, \"%s: failed to get asconf v4 lookup addr\\n\",\n\t\t\t\t__func__);\n\t\t\treturn (NULL);\n\t\t}\n\t\tsin = &remote_store.sin;\n\t\tsin->sin_family = AF_INET;\n#ifdef HAVE_SIN_LEN\n\t\tsin->sin_len = sizeof(*sin);\n#endif\n\t\tsin->sin_port = sh->src_port;\n\t\tmemcpy(&sin->sin_addr, &p4->addr, sizeof(struct in_addr));\n\t\tif (sin->sin_addr.s_addr == INADDR_ANY)\n\t\t\tzero_address = 1;\n\t\tbreak;\n\t}\n#endif\n\tdefault:\n\t\t/* invalid address param type */\n\t\treturn NULL;\n\t}","\tif (zero_address) {\n\t stcb = sctp_findassoc_by_vtag(NULL, dst, ntohl(sh->v_tag), inp_p,\n\t\t\t\t\t netp, sh->src_port, sh->dest_port, 1, vrf_id, 0);\n\t\tif (stcb != NULL) {\n\t\t\tSCTP_INP_DECR_REF(*inp_p);\n\t\t}\n\t} else {\n\t\tstcb = sctp_findassociation_ep_addr(inp_p,\n\t\t &remote_store.sa, netp,\n\t\t dst, NULL);\n\t}\n\treturn (stcb);\n}","\n/*\n * allocate a sctp_inpcb and setup a temporary binding to a port/all\n * addresses. This way if we don't get a bind we by default pick a ephemeral\n * port with all addresses bound.\n */\nint\nsctp_inpcb_alloc(struct socket *so, uint32_t vrf_id)\n{\n\t/*\n\t * we get called when a new endpoint starts up. We need to allocate\n\t * the sctp_inpcb structure from the zone and init it. Mark it as\n\t * unbound and find a port that we can use as an ephemeral with\n\t * INADDR_ANY. If the user binds later no problem we can then add in\n\t * the specific addresses. And setup the default parameters for the\n\t * EP.\n\t */\n\tint i, error;\n\tstruct sctp_inpcb *inp;\n\tstruct sctp_pcb *m;\n\tstruct timeval time;\n\tsctp_sharedkey_t *null_key;","\terror = 0;","\tSCTP_INP_INFO_WLOCK();\n\tinp = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_ep), struct sctp_inpcb);\n\tif (inp == NULL) {\n\t\tSCTP_PRINTF(\"Out of SCTP-INPCB structures - no resources\\n\");\n\t\tSCTP_INP_INFO_WUNLOCK();\n\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, ENOBUFS);\n\t\treturn (ENOBUFS);\n\t}\n\t/* zap it */\n\tmemset(inp, 0, sizeof(*inp));","\t/* bump generations */\n#if defined(__APPLE__)\n\tinp->ip_inp.inp.inp_state = INPCB_STATE_INUSE;\n#endif\n\t/* setup socket pointers */\n\tinp->sctp_socket = so;\n\tinp->ip_inp.inp.inp_socket = so;\n#if defined(__FreeBSD__)\n\tinp->ip_inp.inp.inp_cred = crhold(so->so_cred);\n#endif\n#ifdef INET6\n#if !defined(__Userspace__) && !defined(__Windows__)\n\tif (INP_SOCKAF(so) == AF_INET6) {\n\t\tif (MODULE_GLOBAL(ip6_auto_flowlabel)) {\n\t\t\tinp->ip_inp.inp.inp_flags |= IN6P_AUTOFLOWLABEL;\n\t\t}\n\t\tif (MODULE_GLOBAL(ip6_v6only)) {\n\t\t\tinp->ip_inp.inp.inp_flags |= IN6P_IPV6_V6ONLY;\n\t\t}\n\t}\n#endif\n#endif\n\tinp->sctp_associd_counter = 1;\n\tinp->partial_delivery_point = SCTP_SB_LIMIT_RCV(so) >> SCTP_PARTIAL_DELIVERY_SHIFT;\n\tinp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT;\n\tinp->max_cwnd = 0;\n\tinp->sctp_cmt_on_off = SCTP_BASE_SYSCTL(sctp_cmt_on_off);\n\tinp->ecn_supported = (uint8_t)SCTP_BASE_SYSCTL(sctp_ecn_enable);\n\tinp->prsctp_supported = (uint8_t)SCTP_BASE_SYSCTL(sctp_pr_enable);\n\tinp->auth_supported = (uint8_t)SCTP_BASE_SYSCTL(sctp_auth_enable);\n\tinp->asconf_supported = (uint8_t)SCTP_BASE_SYSCTL(sctp_asconf_enable);\n\tinp->reconfig_supported = (uint8_t)SCTP_BASE_SYSCTL(sctp_reconfig_enable);\n\tinp->nrsack_supported = (uint8_t)SCTP_BASE_SYSCTL(sctp_nrsack_enable);\n\tinp->pktdrop_supported = (uint8_t)SCTP_BASE_SYSCTL(sctp_pktdrop_enable);\n\tinp->idata_supported = 0;","#if defined(__FreeBSD__)\n\tinp->fibnum = so->so_fibnum;\n#else\n\tinp->fibnum = 0;\n#endif\n#if defined(__Userspace__)\n\tinp->ulp_info = NULL;\n\tinp->recv_callback = NULL;\n\tinp->send_callback = NULL;\n\tinp->send_sb_threshold = 0;\n#endif\n\t/* init the small hash table we use to track asocid <-> tcb */\n\tinp->sctp_asocidhash = SCTP_HASH_INIT(SCTP_STACK_VTAG_HASH_SIZE, &inp->hashasocidmark);\n\tif (inp->sctp_asocidhash == NULL) {\n#if defined(__FreeBSD__)\n\t\tcrfree(inp->ip_inp.inp.inp_cred);\n#endif\n\t\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_ep), inp);\n\t\tSCTP_INP_INFO_WUNLOCK();\n\t\treturn (ENOBUFS);\n\t}\n\tSCTP_INCR_EP_COUNT();\n\tinp->ip_inp.inp.inp_ip_ttl = MODULE_GLOBAL(ip_defttl);\n\tSCTP_INP_INFO_WUNLOCK();","\tso->so_pcb = (caddr_t)inp;","#if defined(__FreeBSD__) && __FreeBSD_version < 803000\n\tif ((SCTP_SO_TYPE(so) == SOCK_DGRAM) ||\n\t (SCTP_SO_TYPE(so) == SOCK_SEQPACKET)) {\n#else\n\tif (SCTP_SO_TYPE(so) == SOCK_SEQPACKET) {\n#endif\n\t\t/* UDP style socket */\n\t\tinp->sctp_flags = (SCTP_PCB_FLAGS_UDPTYPE |\n\t\t SCTP_PCB_FLAGS_UNBOUND);\n\t\t/* Be sure it is NON-BLOCKING IO for UDP */\n\t\t/* SCTP_SET_SO_NBIO(so); */\n\t} else if (SCTP_SO_TYPE(so) == SOCK_STREAM) {\n\t\t/* TCP style socket */\n\t\tinp->sctp_flags = (SCTP_PCB_FLAGS_TCPTYPE |\n\t\t SCTP_PCB_FLAGS_UNBOUND);\n\t\t/* Be sure we have blocking IO by default */\n\t\tSOCK_LOCK(so);\n\t\tSCTP_CLEAR_SO_NBIO(so);\n\t\tSOCK_UNLOCK(so);\n#if defined(__Panda__)\n\t} else if (SCTP_SO_TYPE(so) == SOCK_FASTSEQPACKET) {\n\t\tinp->sctp_flags = (SCTP_PCB_FLAGS_UDPTYPE |\n\t\t SCTP_PCB_FLAGS_UNBOUND);\n\t} else if (SCTP_SO_TYPE(so) == SOCK_FASTSTREAM) {\n\t\tinp->sctp_flags = (SCTP_PCB_FLAGS_TCPTYPE |\n\t\t SCTP_PCB_FLAGS_UNBOUND);\n#endif\n\t} else {\n\t\t/*\n\t\t * unsupported socket type (RAW, etc)- in case we missed it\n\t\t * in protosw\n\t\t */\n\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EOPNOTSUPP);\n\t\tso->so_pcb = NULL;\n#if defined(__FreeBSD__)\n\t\tcrfree(inp->ip_inp.inp.inp_cred);\n#endif\n\t\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_ep), inp);\n\t\treturn (EOPNOTSUPP);\n\t}\n\tif (SCTP_BASE_SYSCTL(sctp_default_frag_interleave) == SCTP_FRAG_LEVEL_1) {\n\t\tsctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);\n\t\tsctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS);\n\t} else if (SCTP_BASE_SYSCTL(sctp_default_frag_interleave) == SCTP_FRAG_LEVEL_2) {\n\t\tsctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);\n\t\tsctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS);\n\t} else if (SCTP_BASE_SYSCTL(sctp_default_frag_interleave) == SCTP_FRAG_LEVEL_0) {\n\t\tsctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);\n\t\tsctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS);\n\t}\n\tinp->sctp_tcbhash = SCTP_HASH_INIT(SCTP_BASE_SYSCTL(sctp_pcbtblsize),\n\t\t\t\t\t &inp->sctp_hashmark);\n\tif (inp->sctp_tcbhash == NULL) {\n\t\tSCTP_PRINTF(\"Out of SCTP-INPCB->hashinit - no resources\\n\");\n\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, ENOBUFS);\n\t\tso->so_pcb = NULL;\n#if defined(__FreeBSD__)\n\t\tcrfree(inp->ip_inp.inp.inp_cred);\n#endif\n\t\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_ep), inp);\n\t\treturn (ENOBUFS);\n\t}\n#ifdef SCTP_MVRF\n\tinp->vrf_size = SCTP_DEFAULT_VRF_SIZE;\n\tSCTP_MALLOC(inp->m_vrf_ids, uint32_t *,\n\t\t (sizeof(uint32_t) * inp->vrf_size), SCTP_M_MVRF);\n\tif (inp->m_vrf_ids == NULL) {\n\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, ENOBUFS);\n\t\tso->so_pcb = NULL;\n\t\tSCTP_HASH_FREE(inp->sctp_tcbhash, inp->sctp_hashmark);\n#if defined(__FreeBSD__)\n\t\tcrfree(inp->ip_inp.inp.inp_cred);\n#endif\n\t\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_ep), inp);\n\t\treturn (ENOBUFS);\n\t}\n\tinp->m_vrf_ids[0] = vrf_id;\n\tinp->num_vrfs = 1;\n#endif\n\tinp->def_vrf_id = vrf_id;","#if defined(__APPLE__)\n#if defined(APPLE_LEOPARD) || defined(APPLE_SNOWLEOPARD)\n\tinp->ip_inp.inp.inpcb_mtx = lck_mtx_alloc_init(SCTP_BASE_INFO(sctbinfo).mtx_grp, SCTP_BASE_INFO(sctbinfo).mtx_attr);\n\tif (inp->ip_inp.inp.inpcb_mtx == NULL) {\n\t\tSCTP_PRINTF(\"in_pcballoc: can't alloc mutex! so=%p\\n\", (void *)so);\n#ifdef SCTP_MVRF\n\t\tSCTP_FREE(inp->m_vrf_ids, SCTP_M_MVRF);\n#endif\n\t\tSCTP_HASH_FREE(inp->sctp_tcbhash, inp->sctp_hashmark);\n\t\tso->so_pcb = NULL;\n\t\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_ep), inp);\n\t\tSCTP_UNLOCK_EXC(SCTP_BASE_INFO(sctbinfo).ipi_lock);\n\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, ENOMEM);\n\t\treturn (ENOMEM);\n\t}\n#elif defined(APPLE_LION) || defined(APPLE_MOUNTAINLION)\n\tlck_mtx_init(&inp->ip_inp.inp.inpcb_mtx, SCTP_BASE_INFO(sctbinfo).mtx_grp, SCTP_BASE_INFO(sctbinfo).mtx_attr);\n#else\n\tlck_mtx_init(&inp->ip_inp.inp.inpcb_mtx, SCTP_BASE_INFO(sctbinfo).ipi_lock_grp, SCTP_BASE_INFO(sctbinfo).ipi_lock_attr);\n#endif\n#endif\n\tSCTP_INP_INFO_WLOCK();\n\tSCTP_INP_LOCK_INIT(inp);\n#if defined(__FreeBSD__)\n\tINP_LOCK_INIT(&inp->ip_inp.inp, \"inp\", \"sctpinp\");\n#endif\n\tSCTP_INP_READ_INIT(inp);\n\tSCTP_ASOC_CREATE_LOCK_INIT(inp);\n\t/* lock the new ep */\n\tSCTP_INP_WLOCK(inp);","\t/* add it to the info area */\n\tLIST_INSERT_HEAD(&SCTP_BASE_INFO(listhead), inp, sctp_list);\n#if defined(__APPLE__)\n\tinp->ip_inp.inp.inp_pcbinfo = &SCTP_BASE_INFO(sctbinfo);\n#if defined(APPLE_LEOPARD) || defined(APPLE_SNOWLEOPARD) || defined(APPLE_LION) || defined(APPLE_MOUNTAINLION)\n\tLIST_INSERT_HEAD(SCTP_BASE_INFO(sctbinfo).listhead, &inp->ip_inp.inp, inp_list);\n#else\n\tLIST_INSERT_HEAD(SCTP_BASE_INFO(sctbinfo).ipi_listhead, &inp->ip_inp.inp, inp_list);\n#endif\n#endif\n\tSCTP_INP_INFO_WUNLOCK();","\tTAILQ_INIT(&inp->read_queue);\n\tLIST_INIT(&inp->sctp_addr_list);","\tLIST_INIT(&inp->sctp_asoc_list);","#ifdef SCTP_TRACK_FREED_ASOCS\n\t/* TEMP CODE */\n\tLIST_INIT(&inp->sctp_asoc_free_list);\n#endif\n\t/* Init the timer structure for signature change */\n\tSCTP_OS_TIMER_INIT(&inp->sctp_ep.signature_change.timer);\n\tinp->sctp_ep.signature_change.type = SCTP_TIMER_TYPE_NEWCOOKIE;","\t/* now init the actual endpoint default data */\n\tm = &inp->sctp_ep;","\t/* setup the base timeout information */\n\tm->sctp_timeoutticks[SCTP_TIMER_SEND] = SEC_TO_TICKS(SCTP_SEND_SEC);\t/* needed ? */\n\tm->sctp_timeoutticks[SCTP_TIMER_INIT] = SEC_TO_TICKS(SCTP_INIT_SEC);\t/* needed ? */\n\tm->sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default));\n\tm->sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default));\n\tm->sctp_timeoutticks[SCTP_TIMER_PMTU] = SEC_TO_TICKS(SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default));\n\tm->sctp_timeoutticks[SCTP_TIMER_MAXSHUTDOWN] = SEC_TO_TICKS(SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default));\n\tm->sctp_timeoutticks[SCTP_TIMER_SIGNATURE] = SEC_TO_TICKS(SCTP_BASE_SYSCTL(sctp_secret_lifetime_default));\n\t/* all max/min max are in ms */\n\tm->sctp_maxrto = SCTP_BASE_SYSCTL(sctp_rto_max_default);\n\tm->sctp_minrto = SCTP_BASE_SYSCTL(sctp_rto_min_default);\n\tm->initial_rto = SCTP_BASE_SYSCTL(sctp_rto_initial_default);\n\tm->initial_init_rto_max = SCTP_BASE_SYSCTL(sctp_init_rto_max_default);\n\tm->sctp_sack_freq = SCTP_BASE_SYSCTL(sctp_sack_freq_default);\n\tm->max_init_times = SCTP_BASE_SYSCTL(sctp_init_rtx_max_default);\n\tm->max_send_times = SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default);\n\tm->def_net_failure = SCTP_BASE_SYSCTL(sctp_path_rtx_max_default);\n\tm->def_net_pf_threshold = SCTP_BASE_SYSCTL(sctp_path_pf_threshold);\n\tm->sctp_sws_sender = SCTP_SWS_SENDER_DEF;\n\tm->sctp_sws_receiver = SCTP_SWS_RECEIVER_DEF;\n\tm->max_burst = SCTP_BASE_SYSCTL(sctp_max_burst_default);\n\tm->fr_max_burst = SCTP_BASE_SYSCTL(sctp_fr_max_burst_default);","\tm->sctp_default_cc_module = SCTP_BASE_SYSCTL(sctp_default_cc_module);\n\tm->sctp_default_ss_module = SCTP_BASE_SYSCTL(sctp_default_ss_module);\n\tm->max_open_streams_intome = SCTP_BASE_SYSCTL(sctp_nr_incoming_streams_default);\n\t/* number of streams to pre-open on a association */\n\tm->pre_open_stream_count = SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default);","\tm->default_mtu = 0;\n\t/* Add adaptation cookie */\n\tm->adaptation_layer_indicator = 0;\n\tm->adaptation_layer_indicator_provided = 0;","\t/* seed random number generator */\n\tm->random_counter = 1;\n\tm->store_at = SCTP_SIGNATURE_SIZE;\n\tSCTP_READ_RANDOM(m->random_numbers, sizeof(m->random_numbers));\n\tsctp_fill_random_store(m);","\t/* Minimum cookie size */\n\tm->size_of_a_cookie = (sizeof(struct sctp_init_msg) * 2) +\n\t sizeof(struct sctp_state_cookie);\n\tm->size_of_a_cookie += SCTP_SIGNATURE_SIZE;","\t/* Setup the initial secret */\n\t(void)SCTP_GETTIME_TIMEVAL(&time);\n\tm->time_of_secret_change = time.tv_sec;","\tfor (i = 0; i < SCTP_NUMBER_OF_SECRETS; i++) {\n\t\tm->secret_key[0][i] = sctp_select_initial_TSN(m);\n\t}\n\tsctp_timer_start(SCTP_TIMER_TYPE_NEWCOOKIE, inp, NULL, NULL);","\t/* How long is a cookie good for ? */\n\tm->def_cookie_life = MSEC_TO_TICKS(SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default));\n\t/*\n\t * Initialize authentication parameters\n\t */\n\tm->local_hmacs = sctp_default_supported_hmaclist();\n\tm->local_auth_chunks = sctp_alloc_chunklist();\n\tif (inp->asconf_supported) {\n\t\tsctp_auth_add_chunk(SCTP_ASCONF, m->local_auth_chunks);\n\t\tsctp_auth_add_chunk(SCTP_ASCONF_ACK, m->local_auth_chunks);\n\t}\n\tm->default_dscp = 0;\n#ifdef INET6\n\tm->default_flowlabel = 0;\n#endif\n\tm->port = 0; /* encapsulation disabled by default */\n\tLIST_INIT(&m->shared_keys);\n\t/* add default NULL key as key id 0 */\n\tnull_key = sctp_alloc_sharedkey();\n\tsctp_insert_sharedkey(&m->shared_keys, null_key);\n\tSCTP_INP_WUNLOCK(inp);\n#ifdef SCTP_LOG_CLOSING\n\tsctp_log_closing(inp, NULL, 12);\n#endif\n\treturn (error);\n}","\nvoid\nsctp_move_pcb_and_assoc(struct sctp_inpcb *old_inp, struct sctp_inpcb *new_inp,\n struct sctp_tcb *stcb)\n{\n\tstruct sctp_nets *net;\n\tuint16_t lport, rport;\n\tstruct sctppcbhead *head;\n\tstruct sctp_laddr *laddr, *oladdr;","\tatomic_add_int(&stcb->asoc.refcnt, 1);\n\tSCTP_TCB_UNLOCK(stcb);\n\tSCTP_INP_INFO_WLOCK();\n\tSCTP_INP_WLOCK(old_inp);\n\tSCTP_INP_WLOCK(new_inp);\n\tSCTP_TCB_LOCK(stcb);\n\tatomic_subtract_int(&stcb->asoc.refcnt, 1);","\tnew_inp->sctp_ep.time_of_secret_change =\n\t old_inp->sctp_ep.time_of_secret_change;\n\tmemcpy(new_inp->sctp_ep.secret_key, old_inp->sctp_ep.secret_key,\n\t sizeof(old_inp->sctp_ep.secret_key));\n\tnew_inp->sctp_ep.current_secret_number =\n\t old_inp->sctp_ep.current_secret_number;\n\tnew_inp->sctp_ep.last_secret_number =\n\t old_inp->sctp_ep.last_secret_number;\n\tnew_inp->sctp_ep.size_of_a_cookie = old_inp->sctp_ep.size_of_a_cookie;","\t/* make it so new data pours into the new socket */\n\tstcb->sctp_socket = new_inp->sctp_socket;\n\tstcb->sctp_ep = new_inp;","\t/* Copy the port across */\n\tlport = new_inp->sctp_lport = old_inp->sctp_lport;\n\trport = stcb->rport;\n\t/* Pull the tcb from the old association */\n\tLIST_REMOVE(stcb, sctp_tcbhash);\n\tLIST_REMOVE(stcb, sctp_tcblist);\n\tif (stcb->asoc.in_asocid_hash) {\n\t\tLIST_REMOVE(stcb, sctp_tcbasocidhash);\n\t}\n\t/* Now insert the new_inp into the TCP connected hash */\n\thead = &SCTP_BASE_INFO(sctp_tcpephash)[SCTP_PCBHASH_ALLADDR((lport | rport), SCTP_BASE_INFO(hashtcpmark))];","\tLIST_INSERT_HEAD(head, new_inp, sctp_hash);\n\t/* Its safe to access */\n\tnew_inp->sctp_flags &= ~SCTP_PCB_FLAGS_UNBOUND;","\t/* Now move the tcb into the endpoint list */\n\tLIST_INSERT_HEAD(&new_inp->sctp_asoc_list, stcb, sctp_tcblist);\n\t/*\n\t * Question, do we even need to worry about the ep-hash since we\n\t * only have one connection? Probably not :> so lets get rid of it\n\t * and not suck up any kernel memory in that.\n\t */\n\tif (stcb->asoc.in_asocid_hash) {\n\t\tstruct sctpasochead *lhd;\n\t\tlhd = &new_inp->sctp_asocidhash[SCTP_PCBHASH_ASOC(stcb->asoc.assoc_id,\n\t\t\tnew_inp->hashasocidmark)];\n\t\tLIST_INSERT_HEAD(lhd, stcb, sctp_tcbasocidhash);\n\t}\n\t/* Ok. Let's restart timer. */\n\tTAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {\n\t\tsctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, new_inp,\n\t\t stcb, net);\n\t}","\tSCTP_INP_INFO_WUNLOCK();\n\tif (new_inp->sctp_tcbhash != NULL) {\n\t\tSCTP_HASH_FREE(new_inp->sctp_tcbhash, new_inp->sctp_hashmark);\n\t\tnew_inp->sctp_tcbhash = NULL;\n\t}\n\tif ((new_inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) {\n\t\t/* Subset bound, so copy in the laddr list from the old_inp */\n\t\tLIST_FOREACH(oladdr, &old_inp->sctp_addr_list, sctp_nxt_addr) {\n\t\t\tladdr = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_laddr), struct sctp_laddr);\n\t\t\tif (laddr == NULL) {\n\t\t\t\t/*\n\t\t\t\t * Gak, what can we do? This assoc is really\n\t\t\t\t * HOSED. We probably should send an abort\n\t\t\t\t * here.\n\t\t\t\t */\n\t\t\t\tSCTPDBG(SCTP_DEBUG_PCB1, \"Association hosed in TCP model, out of laddr memory\\n\");\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tSCTP_INCR_LADDR_COUNT();\n\t\t\tmemset(laddr, 0, sizeof(*laddr));\n\t\t\t(void)SCTP_GETTIME_TIMEVAL(&laddr->start_time);\n\t\t\tladdr->ifa = oladdr->ifa;\n\t\t\tatomic_add_int(&laddr->ifa->refcount, 1);\n\t\t\tLIST_INSERT_HEAD(&new_inp->sctp_addr_list, laddr,\n\t\t\t sctp_nxt_addr);\n\t\t\tnew_inp->laddr_count++;\n\t\t\tif (oladdr == stcb->asoc.last_used_address) {\n\t\t\t\tstcb->asoc.last_used_address = laddr;\n\t\t\t}\n\t\t}\n\t}\n\t/* Now any running timers need to be adjusted\n\t * since we really don't care if they are running\n\t * or not just blast in the new_inp into all of\n\t * them.\n\t */","\tstcb->asoc.dack_timer.ep = (void *)new_inp;\n\tstcb->asoc.asconf_timer.ep = (void *)new_inp;\n\tstcb->asoc.strreset_timer.ep = (void *)new_inp;\n\tstcb->asoc.shut_guard_timer.ep = (void *)new_inp;\n\tstcb->asoc.autoclose_timer.ep = (void *)new_inp;\n\tstcb->asoc.delayed_event_timer.ep = (void *)new_inp;\n\tstcb->asoc.delete_prim_timer.ep = (void *)new_inp;\n\t/* now what about the nets? */\n\tTAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {\n\t\tnet->pmtu_timer.ep = (void *)new_inp;\n\t\tnet->hb_timer.ep = (void *)new_inp;\n\t\tnet->rxt_timer.ep = (void *)new_inp;\n\t}\n\tSCTP_INP_WUNLOCK(new_inp);\n\tSCTP_INP_WUNLOCK(old_inp);\n}","/*\n * insert an laddr entry with the given ifa for the desired list\n */\nstatic int\nsctp_insert_laddr(struct sctpladdr *list, struct sctp_ifa *ifa, uint32_t act)\n{\n\tstruct sctp_laddr *laddr;","\tladdr = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_laddr), struct sctp_laddr);\n\tif (laddr == NULL) {\n\t\t/* out of memory? */\n\t\tSCTP_LTRACE_ERR_RET(NULL, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\n\t\treturn (EINVAL);\n\t}\n\tSCTP_INCR_LADDR_COUNT();\n\tmemset(laddr, 0, sizeof(*laddr));\n\t(void)SCTP_GETTIME_TIMEVAL(&laddr->start_time);\n\tladdr->ifa = ifa;\n\tladdr->action = act;\n\tatomic_add_int(&ifa->refcount, 1);\n\t/* insert it */\n\tLIST_INSERT_HEAD(list, laddr, sctp_nxt_addr);","\treturn (0);\n}","/*\n * Remove an laddr entry from the local address list (on an assoc)\n */\nstatic void\nsctp_remove_laddr(struct sctp_laddr *laddr)\n{","\t/* remove from the list */\n\tLIST_REMOVE(laddr, sctp_nxt_addr);\n\tsctp_free_ifa(laddr->ifa);\n\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_laddr), laddr);\n\tSCTP_DECR_LADDR_COUNT();\n}","#if !(defined(__FreeBSD__) || defined(__APPLE__) || defined(__Userspace__))\n/*\n * Don't know why, but without this there is an unknown reference when\n * compiling NetBSD... hmm\n */\nextern void in6_sin6_2_sin(struct sockaddr_in *, struct sockaddr_in6 *sin6);\n#endif","\n/* sctp_ifap is used to bypass normal local address validation checks */\nint\n#if defined(__FreeBSD__) && __FreeBSD_version >= 500000\nsctp_inpcb_bind(struct socket *so, struct sockaddr *addr,\n struct sctp_ifa *sctp_ifap, struct thread *p)\n#elif defined(__Windows__)\nsctp_inpcb_bind(struct socket *so, struct sockaddr *addr,\n struct sctp_ifa *sctp_ifap, PKTHREAD p)\n#else\nsctp_inpcb_bind(struct socket *so, struct sockaddr *addr,\n struct sctp_ifa *sctp_ifap, struct proc *p)\n#endif\n{\n\t/* bind a ep to a socket address */\n\tstruct sctppcbhead *head;\n\tstruct sctp_inpcb *inp, *inp_tmp;\n#if defined(__FreeBSD__) || defined(__APPLE__)\n\tstruct inpcb *ip_inp;\n#endif\n\tint port_reuse_active = 0;\n\tint bindall;\n#ifdef SCTP_MVRF\n\tint i;\n#endif\n\tuint16_t lport;\n\tint error;\n\tuint32_t vrf_id;","\tlport = 0;\n\tbindall = 1;\n\tinp = (struct sctp_inpcb *)so->so_pcb;\n#if defined(__FreeBSD__) || defined(__APPLE__)\n\tip_inp = (struct inpcb *)so->so_pcb;\n#endif\n#ifdef SCTP_DEBUG\n\tif (addr) {\n\t\tSCTPDBG(SCTP_DEBUG_PCB1, \"Bind called port: %d\\n\",\n\t\t\tntohs(((struct sockaddr_in *)addr)->sin_port));\n\t\tSCTPDBG(SCTP_DEBUG_PCB1, \"Addr: \");\n\t\tSCTPDBG_ADDR(SCTP_DEBUG_PCB1, addr);\n\t}\n#endif\n\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) {\n\t\t/* already did a bind, subsequent binds NOT allowed ! */\n\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\n\t\treturn (EINVAL);\n\t}\n#if defined(__FreeBSD__) && __FreeBSD_version >= 500000\n#ifdef INVARIANTS\n\tif (p == NULL)\n\t\tpanic(\"null proc/thread\");\n#endif\n#endif\n\tif (addr != NULL) {\n\t\tswitch (addr->sa_family) {\n#ifdef INET\n\t\tcase AF_INET:\n\t\t{\n\t\t\tstruct sockaddr_in *sin;","\t\t\t/* IPV6_V6ONLY socket? */\n\t\t\tif (SCTP_IPV6_V6ONLY(inp)) {\n\t\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\n\t\t\t\treturn (EINVAL);\n\t\t\t}\n#ifdef HAVE_SA_LEN\n\t\t\tif (addr->sa_len != sizeof(*sin)) {\n\t\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\n\t\t\t\treturn (EINVAL);\n\t\t\t}\n#endif","\t\t\tsin = (struct sockaddr_in *)addr;\n\t\t\tlport = sin->sin_port;\n#if defined(__FreeBSD__) && __FreeBSD_version >= 800000\n\t\t\t/*\n\t\t\t * For LOOPBACK the prison_local_ip4() call will transmute the ip address\n\t\t\t * to the proper value.\n\t\t\t */\n\t\t\tif (p && (error = prison_local_ip4(p->td_ucred, &sin->sin_addr)) != 0) {\n\t\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, error);\n\t\t\t\treturn (error);\n\t\t\t}\n#endif\n\t\t\tif (sin->sin_addr.s_addr != INADDR_ANY) {\n\t\t\t\tbindall = 0;\n\t\t\t}\n\t\t\tbreak;\n\t\t}\n#endif\n#ifdef INET6\n\t\tcase AF_INET6:\n\t\t{\n\t\t\t/* Only for pure IPv6 Address. (No IPv4 Mapped!) */\n\t\t\tstruct sockaddr_in6 *sin6;","\t\t\tsin6 = (struct sockaddr_in6 *)addr;","#ifdef HAVE_SA_LEN\n\t\t\tif (addr->sa_len != sizeof(*sin6)) {\n\t\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\n\t\t\t\treturn (EINVAL);\n\t\t\t}\n#endif\n\t\t\tlport = sin6->sin6_port;\n#if defined(__FreeBSD__) && __FreeBSD_version >= 800000\n\t\t\t/*\n\t\t\t * For LOOPBACK the prison_local_ip6() call will transmute the ipv6 address\n\t\t\t * to the proper value.\n\t\t\t */\n\t\t\tif (p && (error = prison_local_ip6(p->td_ucred, &sin6->sin6_addr,\n\t\t\t (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) {\n\t\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, error);\n\t\t\t\treturn (error);\n\t\t\t}\n#endif\n\t\t\tif (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {\n\t\t\t\tbindall = 0;\n#ifdef SCTP_EMBEDDED_V6_SCOPE\n\t\t\t\t/* KAME hack: embed scopeid */\n#if defined(SCTP_KAME)\n\t\t\t\tif (sa6_embedscope(sin6, MODULE_GLOBAL(ip6_use_defzone)) != 0) {\n\t\t\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\n\t\t\t\t\treturn (EINVAL);\n\t\t\t\t}\n#elif defined(__APPLE__)\n#if defined(APPLE_LEOPARD) || defined(APPLE_SNOWLEOPARD)\n\t\t\t\tif (in6_embedscope(&sin6->sin6_addr, sin6, ip_inp, NULL) != 0) {\n#else\n\t\t\t\tif (in6_embedscope(&sin6->sin6_addr, sin6, ip_inp, NULL, NULL) != 0) {\n#endif\n\t\t\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\n\t\t\t\t\treturn (EINVAL);\n\t\t\t\t}\n#elif defined(__FreeBSD__)\n\t\t\t\terror = scope6_check_id(sin6, MODULE_GLOBAL(ip6_use_defzone));\n\t\t\t\tif (error != 0) {\n\t\t\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, error);\n\t\t\t\t\treturn (error);\n\t\t\t\t}\n#else\n\t\t\t\tif (in6_embedscope(&sin6->sin6_addr, sin6) != 0) {\n\t\t\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\n\t\t\t\t\treturn (EINVAL);\n\t\t\t\t}\n#endif\n#endif /* SCTP_EMBEDDED_V6_SCOPE */\n\t\t\t}\n#ifndef SCOPEDROUTING\n\t\t\t/* this must be cleared for ifa_ifwithaddr() */\n\t\t\tsin6->sin6_scope_id = 0;\n#endif /* SCOPEDROUTING */\n\t\t\tbreak;\n\t\t}\n#endif\n#if defined(__Userspace__)\n\t\tcase AF_CONN:\n\t\t{\n\t\t\tstruct sockaddr_conn *sconn;","#ifdef HAVE_SA_LEN\n\t\t\tif (addr->sa_len != sizeof(struct sockaddr_conn)) {\n\t\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\n\t\t\t\treturn (EINVAL);\n\t\t\t}\n#endif\n\t\t\tsconn = (struct sockaddr_conn *)addr;\n\t\t\tlport = sconn->sconn_port;\n\t\t\tif (sconn->sconn_addr != NULL) {\n\t\t\t\tbindall = 0;\n\t\t\t}\n\t\t\tbreak;\n\t\t}\n#endif\n\t\tdefault:\n\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EAFNOSUPPORT);\n\t\t\treturn (EAFNOSUPPORT);\n\t\t}\n\t}\n\tSCTP_INP_INFO_WLOCK();\n\tSCTP_INP_WLOCK(inp);\n\t/* Setup a vrf_id to be the default for the non-bind-all case. */\n\tvrf_id = inp->def_vrf_id;","\t/* increase our count due to the unlock we do */\n\tSCTP_INP_INCR_REF(inp);\n\tif (lport) {\n\t\t/*\n\t\t * Did the caller specify a port? if so we must see if an ep\n\t\t * already has this one bound.\n\t\t */\n\t\t/* got to be root to get at low ports */\n#if !defined(__Windows__)\n\t\tif (ntohs(lport) < IPPORT_RESERVED) {\n\t\t\tif ((p != NULL) && ((error =\n#ifdef __FreeBSD__\n#if __FreeBSD_version > 602000\n\t\t\t\t priv_check(p, PRIV_NETINET_RESERVEDPORT)\n#elif __FreeBSD_version >= 500000\n\t\t\t\t suser_cred(p->td_ucred, 0)\n#else\n\t\t\t\t suser(p)\n#endif\n#elif defined(__APPLE__)\n\t\t\t\t suser(p->p_ucred, &p->p_acflag)\n#elif defined(__Userspace__) /* must be true to use raw socket */\n\t\t\t\t 1\n#else\n\t\t\t\t suser(p, 0)\n#endif\n\t\t\t\t ) != 0)) {\n\t\t\t\tSCTP_INP_DECR_REF(inp);\n\t\t\t\tSCTP_INP_WUNLOCK(inp);\n\t\t\t\tSCTP_INP_INFO_WUNLOCK();\n\t\t\t\treturn (error);\n\t\t\t}\n#if defined(__Panda__)\n\t\t\tif (!SCTP_IS_PRIVILEDGED(so)) {\n\t\t\t\tSCTP_INP_DECR_REF(inp);\n\t\t\t\tSCTP_INP_WUNLOCK(inp);\n\t\t\t\tSCTP_INP_INFO_WUNLOCK();\n\t\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EACCES);\n\t\t\t\treturn (EACCES);\n\t\t\t}\n#endif\n\t\t}\n#endif /* __Windows__ */\n\t\tSCTP_INP_WUNLOCK(inp);\n\t\tif (bindall) {\n#ifdef SCTP_MVRF\n\t\t\tfor (i = 0; i < inp->num_vrfs; i++) {\n\t\t\t\tvrf_id = inp->m_vrf_ids[i];\n#else\n\t\t\t\tvrf_id = inp->def_vrf_id;\n#endif\n\t\t\t\tinp_tmp = sctp_pcb_findep(addr, 0, 1, vrf_id);\n\t\t\t\tif (inp_tmp != NULL) {\n\t\t\t\t\t/*\n\t\t\t\t\t * lock guy returned and lower count\n\t\t\t\t\t * note that we are not bound so\n\t\t\t\t\t * inp_tmp should NEVER be inp. And\n\t\t\t\t\t * it is this inp (inp_tmp) that gets\n\t\t\t\t\t * the reference bump, so we must\n\t\t\t\t\t * lower it.\n\t\t\t\t\t */\n\t\t\t\t\tSCTP_INP_DECR_REF(inp_tmp);\n\t\t\t\t\t/* unlock info */\n\t\t\t\t\tif ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) &&\n\t\t\t\t\t (sctp_is_feature_on(inp_tmp, SCTP_PCB_FLAGS_PORTREUSE))) {\n\t\t\t\t\t\t/* Ok, must be one-2-one and allowing port re-use */\n\t\t\t\t\t\tport_reuse_active = 1;\n\t\t\t\t\t\tgoto continue_anyway;\n\t\t\t\t\t}\n\t\t\t\t\tSCTP_INP_DECR_REF(inp);\n\t\t\t\t\tSCTP_INP_INFO_WUNLOCK();\n\t\t\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EADDRINUSE);\n\t\t\t\t\treturn (EADDRINUSE);\n\t\t\t\t}\n#ifdef SCTP_MVRF\n\t\t\t}\n#endif\n\t\t} else {\n\t\t\tinp_tmp = sctp_pcb_findep(addr, 0, 1, vrf_id);\n\t\t\tif (inp_tmp != NULL) {\n\t\t\t\t/*\n\t\t\t\t * lock guy returned and lower count note\n\t\t\t\t * that we are not bound so inp_tmp should\n\t\t\t\t * NEVER be inp. And it is this inp (inp_tmp)\n\t\t\t\t * that gets the reference bump, so we must\n\t\t\t\t * lower it.\n\t\t\t\t */\n\t\t\t\tSCTP_INP_DECR_REF(inp_tmp);\n\t\t\t\t/* unlock info */\n\t\t\t\tif ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) &&\n\t\t\t\t (sctp_is_feature_on(inp_tmp, SCTP_PCB_FLAGS_PORTREUSE))) {\n\t\t\t\t\t/* Ok, must be one-2-one and allowing port re-use */\n\t\t\t\t\tport_reuse_active = 1;\n\t\t\t\t\tgoto continue_anyway;\n\t\t\t\t}\n\t\t\t\tSCTP_INP_DECR_REF(inp);\n\t\t\t\tSCTP_INP_INFO_WUNLOCK();\n\t\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EADDRINUSE);\n\t\t\t\treturn (EADDRINUSE);\n\t\t\t}\n\t\t}\n\tcontinue_anyway:\n\t\tSCTP_INP_WLOCK(inp);\n\t\tif (bindall) {\n\t\t\t/* verify that no lport is not used by a singleton */\n\t\t\tif ((port_reuse_active == 0) &&\n\t\t\t (inp_tmp = sctp_isport_inuse(inp, lport, vrf_id))) {\n\t\t\t\t/* Sorry someone already has this one bound */\n\t\t\t\tif ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) &&\n\t\t\t\t (sctp_is_feature_on(inp_tmp, SCTP_PCB_FLAGS_PORTREUSE))) {\n\t\t\t\t\tport_reuse_active = 1;\n\t\t\t\t} else {\n\t\t\t\t\tSCTP_INP_DECR_REF(inp);\n\t\t\t\t\tSCTP_INP_WUNLOCK(inp);\n\t\t\t\t\tSCTP_INP_INFO_WUNLOCK();\n\t\t\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EADDRINUSE);\n\t\t\t\t\treturn (EADDRINUSE);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t} else {\n\t\tuint16_t first, last, candidate;\n\t\tuint16_t count;\n\t\tint done;","#if defined(__Windows__)\n\t\tfirst = 1;\n\t\tlast = 0xffff;\n#else\n#if defined(__Userspace__)\n\t\t/* TODO ensure uid is 0, etc... */\n#elif defined(__FreeBSD__) || defined(__APPLE__)\n\t\tif (ip_inp->inp_flags & INP_HIGHPORT) {\n\t\t\tfirst = MODULE_GLOBAL(ipport_hifirstauto);\n\t\t\tlast = MODULE_GLOBAL(ipport_hilastauto);\n\t\t} else if (ip_inp->inp_flags & INP_LOWPORT) {\n\t\t\tif (p && (error =\n#ifdef __FreeBSD__\n#if __FreeBSD_version > 602000\n\t\t\t\t priv_check(p, PRIV_NETINET_RESERVEDPORT)\n#elif __FreeBSD_version >= 500000\n\t\t\t\t suser_cred(p->td_ucred, 0)\n#else\n\t\t\t\t suser(p)\n#endif\n#elif defined(__APPLE__)\n\t\t\t\t suser(p->p_ucred, &p->p_acflag)\n#else\n\t\t\t\t suser(p, 0)\n#endif\n\t\t\t\t )) {\n\t\t\t\tSCTP_INP_DECR_REF(inp);\n\t\t\t\tSCTP_INP_WUNLOCK(inp);\n\t\t\t\tSCTP_INP_INFO_WUNLOCK();\n\t\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, error);\n\t\t\t\treturn (error);\n\t\t\t}\n\t\t\tfirst = MODULE_GLOBAL(ipport_lowfirstauto);\n\t\t\tlast = MODULE_GLOBAL(ipport_lowlastauto);\n\t\t} else {\n#endif\n\t\t\tfirst = MODULE_GLOBAL(ipport_firstauto);\n\t\t\tlast = MODULE_GLOBAL(ipport_lastauto);\n#if defined(__FreeBSD__) || defined(__APPLE__)\n\t\t}\n#endif\n#endif /* __Windows__ */\n\t\tif (first > last) {\n\t\t\tuint16_t temp;","\t\t\ttemp = first;\n\t\t\tfirst = last;\n\t\t\tlast = temp;\n\t\t}\n\t\tcount = last - first + 1; /* number of candidates */\n\t\tcandidate = first + sctp_select_initial_TSN(&inp->sctp_ep) % (count);","\t\tdone = 0;\n\t\twhile (!done) {\n#ifdef SCTP_MVRF\n\t\t\tfor (i = 0; i < inp->num_vrfs; i++) {\n\t\t\t\tif (sctp_isport_inuse(inp, htons(candidate), inp->m_vrf_ids[i]) != NULL) {\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (i == inp->num_vrfs) {\n\t\t\t\tdone = 1;\n\t\t\t}\n#else\n\t\t\tif (sctp_isport_inuse(inp, htons(candidate), inp->def_vrf_id) == NULL) {\n\t\t\t\tdone = 1;\n\t\t\t}\n#endif\n\t\t\tif (!done) {\n\t\t\t\tif (--count == 0) {\n\t\t\t\t\tSCTP_INP_DECR_REF(inp);\n\t\t\t\t\tSCTP_INP_WUNLOCK(inp);\n\t\t\t\t\tSCTP_INP_INFO_WUNLOCK();\n\t\t\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EADDRINUSE);\n\t\t\t\t\treturn (EADDRINUSE);\n\t\t\t\t}\n\t\t\t\tif (candidate == last)\n\t\t\t\t\tcandidate = first;\n\t\t\t\telse\n\t\t\t\t\tcandidate = candidate + 1;\n\t\t\t}\n\t\t}\n\t\tlport = htons(candidate);\n\t}\n\tSCTP_INP_DECR_REF(inp);\n\tif (inp->sctp_flags & (SCTP_PCB_FLAGS_SOCKET_GONE |\n\t\t\t SCTP_PCB_FLAGS_SOCKET_ALLGONE)) {\n\t\t/*\n\t\t * this really should not happen. The guy did a non-blocking\n\t\t * bind and then did a close at the same time.\n\t\t */\n\t\tSCTP_INP_WUNLOCK(inp);\n\t\tSCTP_INP_INFO_WUNLOCK();\n\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\n\t\treturn (EINVAL);\n\t}\n\t/* ok we look clear to give out this port, so lets setup the binding */\n\tif (bindall) {\n\t\t/* binding to all addresses, so just set in the proper flags */\n\t\tinp->sctp_flags |= SCTP_PCB_FLAGS_BOUNDALL;\n\t\t/* set the automatic addr changes from kernel flag */\n\t\tif (SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) {\n\t\t\tsctp_feature_off(inp, SCTP_PCB_FLAGS_DO_ASCONF);\n\t\t\tsctp_feature_off(inp, SCTP_PCB_FLAGS_AUTO_ASCONF);\n\t\t} else {\n\t\t\tsctp_feature_on(inp, SCTP_PCB_FLAGS_DO_ASCONF);\n\t\t\tsctp_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF);\n\t\t}\n\t\tif (SCTP_BASE_SYSCTL(sctp_multiple_asconfs) == 0) {\n\t\t\tsctp_feature_off(inp, SCTP_PCB_FLAGS_MULTIPLE_ASCONFS);\n\t\t} else {\n\t\t\tsctp_feature_on(inp, SCTP_PCB_FLAGS_MULTIPLE_ASCONFS);\n\t\t}\n\t\t/* set the automatic mobility_base from kernel\n\t\t flag (by micchie)\n\t\t*/\n\t\tif (SCTP_BASE_SYSCTL(sctp_mobility_base) == 0) {\n\t\t\tsctp_mobility_feature_off(inp, SCTP_MOBILITY_BASE);\n\t\t\tsctp_mobility_feature_off(inp, SCTP_MOBILITY_PRIM_DELETED);\n\t\t} else {\n\t\t\tsctp_mobility_feature_on(inp, SCTP_MOBILITY_BASE);\n\t\t\tsctp_mobility_feature_off(inp, SCTP_MOBILITY_PRIM_DELETED);\n\t\t}\n\t\t/* set the automatic mobility_fasthandoff from kernel\n\t\t flag (by micchie)\n\t\t*/\n\t\tif (SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff) == 0) {\n\t\t\tsctp_mobility_feature_off(inp, SCTP_MOBILITY_FASTHANDOFF);\n\t\t\tsctp_mobility_feature_off(inp, SCTP_MOBILITY_PRIM_DELETED);\n\t\t} else {\n\t\t\tsctp_mobility_feature_on(inp, SCTP_MOBILITY_FASTHANDOFF);\n\t\t\tsctp_mobility_feature_off(inp, SCTP_MOBILITY_PRIM_DELETED);\n\t\t}\n\t} else {\n\t\t/*\n\t\t * bind specific, make sure flags is off and add a new\n\t\t * address structure to the sctp_addr_list inside the ep\n\t\t * structure.\n\t\t *\n\t\t * We will need to allocate one and insert it at the head. The\n\t\t * socketopt call can just insert new addresses in there as\n\t\t * well. It will also have to do the embed scope kame hack\n\t\t * too (before adding).\n\t\t */\n\t\tstruct sctp_ifa *ifa;\n\t\tunion sctp_sockstore store;","\t\tmemset(&store, 0, sizeof(store));\n\t\tswitch (addr->sa_family) {\n#ifdef INET\n\t\tcase AF_INET:\n\t\t\tmemcpy(&store.sin, addr, sizeof(struct sockaddr_in));\n\t\t\tstore.sin.sin_port = 0;\n\t\t\tbreak;\n#endif\n#ifdef INET6\n\t\tcase AF_INET6:\n\t\t\tmemcpy(&store.sin6, addr, sizeof(struct sockaddr_in6));\n\t\t\tstore.sin6.sin6_port = 0;\n\t\t\tbreak;\n#endif\n#if defined(__Userspace__)\n\t\tcase AF_CONN:\n\t\t\tmemcpy(&store.sconn, addr, sizeof(struct sockaddr_conn));\n\t\t\tstore.sconn.sconn_port = 0;\n\t\t\tbreak;\n#endif\n\t\tdefault:\n\t\t\tbreak;\n\t\t}\n\t\t/*\n\t\t * first find the interface with the bound address need to\n\t\t * zero out the port to find the address! yuck! can't do\n\t\t * this earlier since need port for sctp_pcb_findep()\n\t\t */\n\t\tif (sctp_ifap != NULL) {\n\t\t\tifa = sctp_ifap;\n\t\t} else {\n\t\t\t/* Note for BSD we hit here always other\n\t\t\t * O/S's will pass things in via the\n\t\t\t * sctp_ifap argument (Panda).\n\t\t\t */\n\t\t\tifa = sctp_find_ifa_by_addr(&store.sa,\n\t\t\t\t\t\t vrf_id, SCTP_ADDR_NOT_LOCKED);\n\t\t}\n\t\tif (ifa == NULL) {\n\t\t\t/* Can't find an interface with that address */\n\t\t\tSCTP_INP_WUNLOCK(inp);\n\t\t\tSCTP_INP_INFO_WUNLOCK();\n\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EADDRNOTAVAIL);\n\t\t\treturn (EADDRNOTAVAIL);\n\t\t}\n#ifdef INET6\n\t\tif (addr->sa_family == AF_INET6) {\n\t\t\t/* GAK, more FIXME IFA lock? */\n\t\t\tif (ifa->localifa_flags & SCTP_ADDR_IFA_UNUSEABLE) {\n\t\t\t\t/* Can't bind a non-existent addr. */\n\t\t\t\tSCTP_INP_WUNLOCK(inp);\n\t\t\t\tSCTP_INP_INFO_WUNLOCK();\n\t\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\n\t\t\t\treturn (EINVAL);\n\t\t\t}\n\t\t}\n#endif\n\t\t/* we're not bound all */\n\t\tinp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUNDALL;\n\t\t/* allow bindx() to send ASCONF's for binding changes */\n\t\tsctp_feature_on(inp, SCTP_PCB_FLAGS_DO_ASCONF);\n\t\t/* clear automatic addr changes from kernel flag */\n\t\tsctp_feature_off(inp, SCTP_PCB_FLAGS_AUTO_ASCONF);","\t\t/* add this address to the endpoint list */\n\t\terror = sctp_insert_laddr(&inp->sctp_addr_list, ifa, 0);\n\t\tif (error != 0) {\n\t\t\tSCTP_INP_WUNLOCK(inp);\n\t\t\tSCTP_INP_INFO_WUNLOCK();\n\t\t\treturn (error);\n\t\t}\n\t\tinp->laddr_count++;\n\t}\n\t/* find the bucket */\n\tif (port_reuse_active) {\n\t\t/* Put it into tcp 1-2-1 hash */\n\t\thead = &SCTP_BASE_INFO(sctp_tcpephash)[SCTP_PCBHASH_ALLADDR(lport, SCTP_BASE_INFO(hashtcpmark))];\n\t\tinp->sctp_flags |= SCTP_PCB_FLAGS_IN_TCPPOOL;\n\t} else {\n\t\thead = &SCTP_BASE_INFO(sctp_ephash)[SCTP_PCBHASH_ALLADDR(lport, SCTP_BASE_INFO(hashmark))];\n\t}\n\t/* put it in the bucket */\n\tLIST_INSERT_HEAD(head, inp, sctp_hash);\n\tSCTPDBG(SCTP_DEBUG_PCB1, \"Main hash to bind at head:%p, bound port:%d - in tcp_pool=%d\\n\",\n\t\t(void *)head, ntohs(lport), port_reuse_active);\n\t/* set in the port */\n\tinp->sctp_lport = lport;","\t/* turn off just the unbound flag */\n\tinp->sctp_flags &= ~SCTP_PCB_FLAGS_UNBOUND;\n\tSCTP_INP_WUNLOCK(inp);\n\tSCTP_INP_INFO_WUNLOCK();\n\treturn (0);\n}","\nstatic void\nsctp_iterator_inp_being_freed(struct sctp_inpcb *inp)\n{\n\tstruct sctp_iterator *it, *nit;","\t/*\n\t * We enter with the only the ITERATOR_LOCK in place and a write\n\t * lock on the inp_info stuff.\n\t */\n\tit = sctp_it_ctl.cur_it;\n#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\n\tif (it && (it->vn != curvnet)) {\n\t\t/* Its not looking at our VNET */\n\t\treturn;\n\t}\n#endif\n\tif (it && (it->inp == inp)) {\n\t\t/*\n\t\t * This is tricky and we hold the iterator lock,\n\t\t * but when it returns and gets the lock (when we\n\t\t * release it) the iterator will try to operate on\n\t\t * inp. We need to stop that from happening. But\n\t\t * of course the iterator has a reference on the\n\t\t * stcb and inp. We can mark it and it will stop.\n\t\t *\n\t\t * If its a single iterator situation, we\n\t\t * set the end iterator flag. Otherwise\n\t\t * we set the iterator to go to the next inp.\n\t\t *\n\t\t */\n\t\tif (it->iterator_flags & SCTP_ITERATOR_DO_SINGLE_INP) {\n\t\t\tsctp_it_ctl.iterator_flags |= SCTP_ITERATOR_STOP_CUR_IT;\n\t\t} else {\n\t\t\tsctp_it_ctl.iterator_flags |= SCTP_ITERATOR_STOP_CUR_INP;\n\t\t}\n\t}\n\t/* Now go through and remove any single reference to\n\t * our inp that may be still pending on the list\n\t */\n\tSCTP_IPI_ITERATOR_WQ_LOCK();\n\tTAILQ_FOREACH_SAFE(it, &sctp_it_ctl.iteratorhead, sctp_nxt_itr, nit) {\n#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\n\t\tif (it->vn != curvnet) {\n\t\t\tcontinue;\n\t\t}\n#endif\n\t\tif (it->inp == inp) {\n\t\t\t/* This one points to me is it inp specific? */\n\t\t\tif (it->iterator_flags & SCTP_ITERATOR_DO_SINGLE_INP) {\n\t\t\t\t/* Remove and free this one */\n\t\t\t\tTAILQ_REMOVE(&sctp_it_ctl.iteratorhead,\n\t\t\t\t it, sctp_nxt_itr);\n\t\t\t\tif (it->function_atend != NULL) {\n\t\t\t\t\t(*it->function_atend) (it->pointer, it->val);\n\t\t\t\t}\n\t\t\t\tSCTP_FREE(it, SCTP_M_ITER);\n\t\t\t} else {\n\t\t\t\tit->inp = LIST_NEXT(it->inp, sctp_list);\n\t\t\t\tif (it->inp) {\n\t\t\t\t\tSCTP_INP_INCR_REF(it->inp);\n\t\t\t\t}\n\t\t\t}\n\t\t\t/* When its put in the refcnt is incremented so decr it */\n\t\t\tSCTP_INP_DECR_REF(inp);\n\t\t}\n\t}\n\tSCTP_IPI_ITERATOR_WQ_UNLOCK();\n}","/* release sctp_inpcb unbind the port */\nvoid\nsctp_inpcb_free(struct sctp_inpcb *inp, int immediate, int from)\n{\n\t/*\n\t * Here we free a endpoint. We must find it (if it is in the Hash\n\t * table) and remove it from there. Then we must also find it in the\n\t * overall list and remove it from there. After all removals are\n\t * complete then any timer has to be stopped. Then start the actual\n\t * freeing. a) Any local lists. b) Any associations. c) The hash of\n\t * all associations. d) finally the ep itself.\n\t */\n\tstruct sctp_tcb *asoc, *nasoc;\n\tstruct sctp_laddr *laddr, *nladdr;\n\tstruct inpcb *ip_pcb;\n\tstruct socket *so;\n\tint being_refed = 0;\n\tstruct sctp_queued_to_read *sq, *nsq;\n#if !defined(__Panda__) && !defined(__Userspace__)\n#if !defined(__FreeBSD__) || __FreeBSD_version < 500000\n\tsctp_rtentry_t *rt;\n#endif\n#endif\n\tint cnt;\n\tsctp_sharedkey_t *shared_key, *nshared_key;","\n#if defined(__APPLE__)\n\tsctp_lock_assert(SCTP_INP_SO(inp));\n#endif\n#ifdef SCTP_LOG_CLOSING\n\tsctp_log_closing(inp, NULL, 0);\n#endif\n\tSCTP_ITERATOR_LOCK();\n\t/* mark any iterators on the list or being processed */\n\tsctp_iterator_inp_being_freed(inp);\n\tSCTP_ITERATOR_UNLOCK();\n\tso = inp->sctp_socket;\n\tif (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {\n\t\t/* been here before.. eeks.. get out of here */\n\t\tSCTP_PRINTF(\"This conflict in free SHOULD not be happening! from %d, imm %d\\n\", from, immediate);\n#ifdef SCTP_LOG_CLOSING\n\t\tsctp_log_closing(inp, NULL, 1);\n#endif\n\t\treturn;\n\t}\n\tSCTP_ASOC_CREATE_LOCK(inp);\n\tSCTP_INP_INFO_WLOCK();","\tSCTP_INP_WLOCK(inp);\n\tif (from == SCTP_CALLED_AFTER_CMPSET_OFCLOSE) {\n\t\tinp->sctp_flags &= ~SCTP_PCB_FLAGS_CLOSE_IP;\n\t\t/* socket is gone, so no more wakeups allowed */\n\t\tinp->sctp_flags |= SCTP_PCB_FLAGS_DONT_WAKE;\n\t\tinp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT;\n\t\tinp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT;","\t}\n\t/* First time through we have the socket lock, after that no more. */\n\tsctp_timer_stop(SCTP_TIMER_TYPE_NEWCOOKIE, inp, NULL, NULL,\n\t\t\tSCTP_FROM_SCTP_PCB + SCTP_LOC_1);","\tif (inp->control) {\n\t\tsctp_m_freem(inp->control);\n\t\tinp->control = NULL;\n\t}\n\tif (inp->pkt) {\n\t\tsctp_m_freem(inp->pkt);\n\t\tinp->pkt = NULL;\n\t}\n\tip_pcb = &inp->ip_inp.inp;\t/* we could just cast the main pointer\n\t\t\t\t\t * here but I will be nice :> (i.e.\n\t\t\t\t\t * ip_pcb = ep;) */\n\tif (immediate == SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE) {\n\t\tint cnt_in_sd;","\t\tcnt_in_sd = 0;\n\t\tLIST_FOREACH_SAFE(asoc, &inp->sctp_asoc_list, sctp_tcblist, nasoc) {\n\t\t\tSCTP_TCB_LOCK(asoc);\n\t\t\tif (asoc->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {\n\t\t\t\t/* Skip guys being freed */\n\t\t\t\tcnt_in_sd++;\n\t\t\t\tif (asoc->asoc.state & SCTP_STATE_IN_ACCEPT_QUEUE) {\n\t\t\t\t\t/*\n\t\t\t\t\t * Special case - we did not start a kill\n\t\t\t\t\t * timer on the asoc due to it was not\n\t\t\t\t\t * closed. So go ahead and start it now.\n\t\t\t\t\t */\n\t\t\t\t\tSCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_IN_ACCEPT_QUEUE);\n\t\t\t\t\tsctp_timer_start(SCTP_TIMER_TYPE_ASOCKILL, inp, asoc, NULL);\n\t\t\t\t}\n\t\t\t\tSCTP_TCB_UNLOCK(asoc);\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tif (((SCTP_GET_STATE(asoc) == SCTP_STATE_COOKIE_WAIT) ||\n\t\t\t (SCTP_GET_STATE(asoc) == SCTP_STATE_COOKIE_ECHOED)) &&\n\t\t\t (asoc->asoc.total_output_queue_size == 0)) {\n\t\t\t\t/* If we have data in queue, we don't want to just\n\t\t\t\t * free since the app may have done, send()/close\n\t\t\t\t * or connect/send/close. And it wants the data\n\t\t\t\t * to get across first.\n\t\t\t\t */\n\t\t\t\t/* Just abandon things in the front states */\n\t\t\t\tif (sctp_free_assoc(inp, asoc, SCTP_PCBFREE_NOFORCE,\n\t\t\t\t\t\t SCTP_FROM_SCTP_PCB + SCTP_LOC_2) == 0) {\n\t\t\t\t\tcnt_in_sd++;\n\t\t\t\t}\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\t/* Disconnect the socket please */\n\t\t\tasoc->sctp_socket = NULL;\n\t\t\tSCTP_ADD_SUBSTATE(asoc, SCTP_STATE_CLOSED_SOCKET);\n\t\t\tif ((asoc->asoc.size_on_reasm_queue > 0) ||\n\t\t\t (asoc->asoc.control_pdapi) ||\n\t\t\t (asoc->asoc.size_on_all_streams > 0) ||\n\t\t\t (so && (so->so_rcv.sb_cc > 0))) {\n\t\t\t\t/* Left with Data unread */\n\t\t\t\tstruct mbuf *op_err;","\t\t\t\top_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, \"\");\n\t\t\t\tasoc->sctp_ep->last_abort_code = SCTP_FROM_SCTP_PCB + SCTP_LOC_3;\n\t\t\t\tsctp_send_abort_tcb(asoc, op_err, SCTP_SO_LOCKED);\n\t\t\t\tSCTP_STAT_INCR_COUNTER32(sctps_aborted);\n\t\t\t\tif ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) ||\n\t\t\t\t (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {\n\t\t\t\t\tSCTP_STAT_DECR_GAUGE32(sctps_currestab);\n\t\t\t\t}\n\t\t\t\tif (sctp_free_assoc(inp, asoc,\n\t\t\t\t\t\t SCTP_PCBFREE_NOFORCE, SCTP_FROM_SCTP_PCB + SCTP_LOC_4) == 0) {\n\t\t\t\t\tcnt_in_sd++;\n\t\t\t\t}\n\t\t\t\tcontinue;\n\t\t\t} else if (TAILQ_EMPTY(&asoc->asoc.send_queue) &&\n\t\t\t TAILQ_EMPTY(&asoc->asoc.sent_queue) &&\n\t\t\t (asoc->asoc.stream_queue_cnt == 0)) {\n\t\t\t\tif ((*asoc->asoc.ss_functions.sctp_ss_is_user_msgs_incomplete)(asoc, &asoc->asoc)) {\n\t\t\t\t\tgoto abort_anyway;\n\t\t\t\t}\n\t\t\t\tif ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) &&\n\t\t\t\t (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) {\n\t\t\t\t\tstruct sctp_nets *netp;","\t\t\t\t\t/*\n\t\t\t\t\t * there is nothing queued to send,\n\t\t\t\t\t * so I send shutdown\n\t\t\t\t\t */\n\t\t\t\t\tif ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) ||\n\t\t\t\t\t (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {\n\t\t\t\t\t\tSCTP_STAT_DECR_GAUGE32(sctps_currestab);\n\t\t\t\t\t}\n\t\t\t\t\tSCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT);\n\t\t\t\t\tsctp_stop_timers_for_shutdown(asoc);\n\t\t\t\t\tif (asoc->asoc.alternate) {\n\t\t\t\t\t\tnetp = asoc->asoc.alternate;\n\t\t\t\t\t} else {\n\t\t\t\t\t\tnetp = asoc->asoc.primary_destination;\n\t\t\t\t\t}\n\t\t\t\t\tsctp_send_shutdown(asoc, netp);\n\t\t\t\t\tsctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, asoc->sctp_ep, asoc,\n\t\t\t\t\t netp);\n\t\t\t\t\tsctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, asoc->sctp_ep, asoc,\n\t\t\t\t\t asoc->asoc.primary_destination);\n\t\t\t\t\tsctp_chunk_output(inp, asoc, SCTP_OUTPUT_FROM_SHUT_TMR, SCTP_SO_LOCKED);\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\t/* mark into shutdown pending */\n\t\t\t\tSCTP_ADD_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING);\n\t\t\t\tsctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, asoc->sctp_ep, asoc,\n\t\t\t\t\t\t asoc->asoc.primary_destination);\n\t\t\t\tif ((*asoc->asoc.ss_functions.sctp_ss_is_user_msgs_incomplete)(asoc, &asoc->asoc)) {\n\t\t\t\t\tSCTP_ADD_SUBSTATE(asoc, SCTP_STATE_PARTIAL_MSG_LEFT);\n\t\t\t\t}\n\t\t\t\tif (TAILQ_EMPTY(&asoc->asoc.send_queue) &&\n\t\t\t\t TAILQ_EMPTY(&asoc->asoc.sent_queue) &&\n\t\t\t\t (asoc->asoc.state & SCTP_STATE_PARTIAL_MSG_LEFT)) {\n\t\t\t\t\tstruct mbuf *op_err;\n\t\t\t\tabort_anyway:\n\t\t\t\t\top_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, \"\");\n\t\t\t\t\tasoc->sctp_ep->last_abort_code = SCTP_FROM_SCTP_PCB + SCTP_LOC_5;\n\t\t\t\t\tsctp_send_abort_tcb(asoc, op_err, SCTP_SO_LOCKED);\n\t\t\t\t\tSCTP_STAT_INCR_COUNTER32(sctps_aborted);\n\t\t\t\t\tif ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) ||\n\t\t\t\t\t (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {\n\t\t\t\t\t\tSCTP_STAT_DECR_GAUGE32(sctps_currestab);\n\t\t\t\t\t}\n\t\t\t\t\tif (sctp_free_assoc(inp, asoc,\n\t\t\t\t\t\t\t SCTP_PCBFREE_NOFORCE,\n\t\t\t\t\t\t\t SCTP_FROM_SCTP_PCB + SCTP_LOC_6) == 0) {\n\t\t\t\t\t\tcnt_in_sd++;\n\t\t\t\t\t}\n\t\t\t\t\tcontinue;\n\t\t\t\t} else {\n\t\t\t\t\tsctp_chunk_output(inp, asoc, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED);\n\t\t\t\t}\n\t\t\t}\n\t\t\tcnt_in_sd++;\n\t\t\tSCTP_TCB_UNLOCK(asoc);\n\t\t}\n\t\t/* now is there some left in our SHUTDOWN state? */\n\t\tif (cnt_in_sd) {\n#ifdef SCTP_LOG_CLOSING\n\t\t\tsctp_log_closing(inp, NULL, 2);\n#endif\n\t\t\tinp->sctp_socket = NULL;\n\t\t\tSCTP_INP_WUNLOCK(inp);\n\t\t\tSCTP_ASOC_CREATE_UNLOCK(inp);\n\t\t\tSCTP_INP_INFO_WUNLOCK();\n\t\t\treturn;\n\t\t}\n\t}\n\tinp->sctp_socket = NULL;\n\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) !=\n\t SCTP_PCB_FLAGS_UNBOUND) {\n\t\t/*\n\t\t * ok, this guy has been bound. It's port is\n\t\t * somewhere in the SCTP_BASE_INFO(hash table). Remove\n\t\t * it!\n\t\t */\n\t\tLIST_REMOVE(inp, sctp_hash);\n\t\tinp->sctp_flags |= SCTP_PCB_FLAGS_UNBOUND;\n\t}","\t/* If there is a timer running to kill us,\n\t * forget it, since it may have a contest\n\t * on the INP lock.. which would cause us\n\t * to die ...\n\t */\n\tcnt = 0;\n\tLIST_FOREACH_SAFE(asoc, &inp->sctp_asoc_list, sctp_tcblist, nasoc) {\n\t\tSCTP_TCB_LOCK(asoc);\n\t\tif (asoc->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {\n\t\t\tif (asoc->asoc.state & SCTP_STATE_IN_ACCEPT_QUEUE) {\n\t\t\t\tSCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_IN_ACCEPT_QUEUE);\n\t\t\t\tsctp_timer_start(SCTP_TIMER_TYPE_ASOCKILL, inp, asoc, NULL);\n\t\t\t}\n\t\t cnt++;\n\t\t\tSCTP_TCB_UNLOCK(asoc);\n\t\t\tcontinue;\n\t\t}\n\t\t/* Free associations that are NOT killing us */\n\t\tif ((SCTP_GET_STATE(asoc) != SCTP_STATE_COOKIE_WAIT) &&\n\t\t ((asoc->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) == 0)) {\n\t\t\tstruct mbuf *op_err;","\t\t\top_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, \"\");\n\t\t\tasoc->sctp_ep->last_abort_code = SCTP_FROM_SCTP_PCB + SCTP_LOC_7;\n\t\t\tsctp_send_abort_tcb(asoc, op_err, SCTP_SO_LOCKED);\n\t\t\tSCTP_STAT_INCR_COUNTER32(sctps_aborted);\n\t\t} else if (asoc->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {\n\t\t\tcnt++;\n\t\t\tSCTP_TCB_UNLOCK(asoc);\n\t\t\tcontinue;\n\t\t}\n\t\tif ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) ||\n\t\t (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {\n\t\t\tSCTP_STAT_DECR_GAUGE32(sctps_currestab);\n\t\t}\n\t\tif (sctp_free_assoc(inp, asoc, SCTP_PCBFREE_FORCE,\n\t\t SCTP_FROM_SCTP_PCB + SCTP_LOC_8) == 0) {\n\t\t\tcnt++;\n\t\t}\n\t}\n\tif (cnt) {\n\t\t/* Ok we have someone out there that will kill us */\n\t\t(void)SCTP_OS_TIMER_STOP(&inp->sctp_ep.signature_change.timer);\n#ifdef SCTP_LOG_CLOSING\n\t\tsctp_log_closing(inp, NULL, 3);\n#endif\n\t\tSCTP_INP_WUNLOCK(inp);\n\t\tSCTP_ASOC_CREATE_UNLOCK(inp);\n\t\tSCTP_INP_INFO_WUNLOCK();\n\t\treturn;\n\t}\n\tif (SCTP_INP_LOCK_CONTENDED(inp))\n\t\tbeing_refed++;\n\tif (SCTP_INP_READ_CONTENDED(inp))\n\t\tbeing_refed++;\n\tif (SCTP_ASOC_CREATE_LOCK_CONTENDED(inp))\n\t\tbeing_refed++;","\tif ((inp->refcount) ||\n\t (being_refed) ||\n\t (inp->sctp_flags & SCTP_PCB_FLAGS_CLOSE_IP)) {\n\t\t(void)SCTP_OS_TIMER_STOP(&inp->sctp_ep.signature_change.timer);\n#ifdef SCTP_LOG_CLOSING\n\t\tsctp_log_closing(inp, NULL, 4);\n#endif\n\t\tsctp_timer_start(SCTP_TIMER_TYPE_INPKILL, inp, NULL, NULL);\n\t\tSCTP_INP_WUNLOCK(inp);\n\t\tSCTP_ASOC_CREATE_UNLOCK(inp);\n\t\tSCTP_INP_INFO_WUNLOCK();\n\t\treturn;\n\t}\n\tinp->sctp_ep.signature_change.type = 0;\n\tinp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_ALLGONE;\n\t/* Remove it from the list .. last thing we need a\n\t * lock for.\n\t */\n\tLIST_REMOVE(inp, sctp_list);\n\tSCTP_INP_WUNLOCK(inp);\n\tSCTP_ASOC_CREATE_UNLOCK(inp);\n\tSCTP_INP_INFO_WUNLOCK();\n\t/* Now we release all locks. Since this INP\n\t * cannot be found anymore except possibly by the\n\t * kill timer that might be running. We call\n\t * the drain function here. It should hit the case\n\t * were it sees the ACTIVE flag cleared and exit\n\t * out freeing us to proceed and destroy everything.\n\t */\n\tif (from != SCTP_CALLED_FROM_INPKILL_TIMER) {\n\t\t(void)SCTP_OS_TIMER_STOP_DRAIN(&inp->sctp_ep.signature_change.timer);\n\t} else {\n\t\t/* Probably un-needed */\n\t\t(void)SCTP_OS_TIMER_STOP(&inp->sctp_ep.signature_change.timer);\n\t}","#ifdef SCTP_LOG_CLOSING\n\tsctp_log_closing(inp, NULL, 5);\n#endif","#if !(defined(__Panda__) || defined(__Windows__) || defined(__Userspace__))\n#if !defined(__FreeBSD__) || __FreeBSD_version < 500000\n\trt = ip_pcb->inp_route.ro_rt;\n#endif\n#endif","\tif ((inp->sctp_asocidhash) != NULL) {\n\t\tSCTP_HASH_FREE(inp->sctp_asocidhash, inp->hashasocidmark);\n\t\tinp->sctp_asocidhash = NULL;\n\t}\n\t/*sa_ignore FREED_MEMORY*/\n\tTAILQ_FOREACH_SAFE(sq, &inp->read_queue, next, nsq) {\n\t\t/* Its only abandoned if it had data left */\n\t\tif (sq->length)\n\t\t\tSCTP_STAT_INCR(sctps_left_abandon);","\t\tTAILQ_REMOVE(&inp->read_queue, sq, next);\n\t\tsctp_free_remote_addr(sq->whoFrom);\n\t\tif (so)\n\t\t\tso->so_rcv.sb_cc -= sq->length;\n\t\tif (sq->data) {\n\t\t\tsctp_m_freem(sq->data);\n\t\t\tsq->data = NULL;\n\t\t}\n\t\t/*\n\t\t * no need to free the net count, since at this point all\n\t\t * assoc's are gone.\n\t\t */\n\t\tsctp_free_a_readq(NULL, sq);\n\t}\n\t/* Now the sctp_pcb things */\n\t/*\n\t * free each asoc if it is not already closed/free. we can't use the\n\t * macro here since le_next will get freed as part of the\n\t * sctp_free_assoc() call.\n\t */\n#ifndef __Panda__\n\tif (ip_pcb->inp_options) {\n\t\t(void)sctp_m_free(ip_pcb->inp_options);\n\t\tip_pcb->inp_options = 0;\n\t}\n#endif","#if !(defined(__Panda__) || defined(__Windows__) || defined(__Userspace__))\n#if !defined(__FreeBSD__) || __FreeBSD_version < 500000\n\tif (rt) {\n\t\tRTFREE(rt);\n\t\tip_pcb->inp_route.ro_rt = 0;\n\t}\n#endif\n#if defined(__FreeBSD__) && __FreeBSD_version < 803000\n#ifdef INET\n\tif (ip_pcb->inp_moptions) {\n\t\tinp_freemoptions(ip_pcb->inp_moptions);\n\t\tip_pcb->inp_moptions = 0;\n\t}\n#endif\n#endif\n#endif","#ifdef INET6\n#if !(defined(__Panda__) || defined(__Windows__) || defined(__Userspace__))\n#if defined(__FreeBSD__) || defined(__APPLE__)\n\tif (ip_pcb->inp_vflag & INP_IPV6) {\n#else\n\tif (inp->inp_vflag & INP_IPV6) {\n#endif\n\t\tip6_freepcbopts(ip_pcb->in6p_outputopts);\n\t}\n#endif\n#endif\t\t\t\t/* INET6 */\n#if !(defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__))\n\tinp->inp_vflag = 0;\n#else\n\tip_pcb->inp_vflag = 0;\n#endif\n\t/* free up authentication fields */\n\tif (inp->sctp_ep.local_auth_chunks != NULL)\n\t\tsctp_free_chunklist(inp->sctp_ep.local_auth_chunks);\n\tif (inp->sctp_ep.local_hmacs != NULL)\n\t\tsctp_free_hmaclist(inp->sctp_ep.local_hmacs);","\tLIST_FOREACH_SAFE(shared_key, &inp->sctp_ep.shared_keys, next, nshared_key) {\n\t\tLIST_REMOVE(shared_key, next);\n\t\tsctp_free_sharedkey(shared_key);\n\t\t/*sa_ignore FREED_MEMORY*/\n\t}","#if defined(__APPLE__)\n\tinp->ip_inp.inp.inp_state = INPCB_STATE_DEAD;\n\tif (in_pcb_checkstate(&inp->ip_inp.inp, WNT_STOPUSING, 1) != WNT_STOPUSING) {\n#ifdef INVARIANTS\n\t\tpanic(\"sctp_inpcb_free inp = %p couldn't set to STOPUSING\\n\", (void *)inp);\n#else\n\t\tSCTP_PRINTF(\"sctp_inpcb_free inp = %p couldn't set to STOPUSING\\n\", (void *)inp);\n#endif\n\t}\n\tinp->ip_inp.inp.inp_socket->so_flags |= SOF_PCBCLEARING;\n#endif\n\t/*\n\t * if we have an address list the following will free the list of\n\t * ifaddr's that are set into this ep. Again macro limitations here,\n\t * since the LIST_FOREACH could be a bad idea.\n\t */\n\tLIST_FOREACH_SAFE(laddr, &inp->sctp_addr_list, sctp_nxt_addr, nladdr) {\n\t\tsctp_remove_laddr(laddr);\n\t}","#ifdef SCTP_TRACK_FREED_ASOCS\n\t/* TEMP CODE */\n\tLIST_FOREACH_SAFE(asoc, &inp->sctp_asoc_free_list, sctp_tcblist, nasoc) {\n\t\tLIST_REMOVE(asoc, sctp_tcblist);\n\t\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_asoc), asoc);\n\t\tSCTP_DECR_ASOC_COUNT();\n\t}\n\t/* *** END TEMP CODE ****/\n#endif\n#ifdef SCTP_MVRF\n\tSCTP_FREE(inp->m_vrf_ids, SCTP_M_MVRF);\n#endif\n\t/* Now lets see about freeing the EP hash table. */\n\tif (inp->sctp_tcbhash != NULL) {\n\t\tSCTP_HASH_FREE(inp->sctp_tcbhash, inp->sctp_hashmark);\n\t\tinp->sctp_tcbhash = NULL;\n\t}\n\t/* Now we must put the ep memory back into the zone pool */\n#if defined(__FreeBSD__)\n\tcrfree(inp->ip_inp.inp.inp_cred);\n\tINP_LOCK_DESTROY(&inp->ip_inp.inp);\n#endif\n\tSCTP_INP_LOCK_DESTROY(inp);\n\tSCTP_INP_READ_DESTROY(inp);\n\tSCTP_ASOC_CREATE_LOCK_DESTROY(inp);\n#if !defined(__APPLE__)\n\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_ep), inp);\n\tSCTP_DECR_EP_COUNT();\n#else\n\t/* For Tiger, we will do this later... */\n#endif\n}","\nstruct sctp_nets *\nsctp_findnet(struct sctp_tcb *stcb, struct sockaddr *addr)\n{\n\tstruct sctp_nets *net;\n\t/* locate the address */\n\tTAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {\n\t\tif (sctp_cmpaddr(addr, (struct sockaddr *)&net->ro._l_addr))\n\t\t\treturn (net);\n\t}\n\treturn (NULL);\n}","\nint\nsctp_is_address_on_local_host(struct sockaddr *addr, uint32_t vrf_id)\n{\n#ifdef __Panda__\n\treturn (0);\n#else\n\tstruct sctp_ifa *sctp_ifa;\n\tsctp_ifa = sctp_find_ifa_by_addr(addr, vrf_id, SCTP_ADDR_NOT_LOCKED);\n\tif (sctp_ifa) {\n\t\treturn (1);\n\t} else {\n\t\treturn (0);\n\t}\n#endif\n}","/*\n * add's a remote endpoint address, done with the INIT/INIT-ACK as well as\n * when a ASCONF arrives that adds it. It will also initialize all the cwnd\n * stats of stuff.\n */\nint\nsctp_add_remote_addr(struct sctp_tcb *stcb, struct sockaddr *newaddr,\n struct sctp_nets **netp, uint16_t port, int set_scope, int from)\n{\n\t/*\n\t * The following is redundant to the same lines in the\n\t * sctp_aloc_assoc() but is needed since others call the add\n\t * address function\n\t */\n\tstruct sctp_nets *net, *netfirst;\n\tint addr_inscope;","\tSCTPDBG(SCTP_DEBUG_PCB1, \"Adding an address (from:%d) to the peer: \",\n\t\tfrom);\n\tSCTPDBG_ADDR(SCTP_DEBUG_PCB1, newaddr);","\tnetfirst = sctp_findnet(stcb, newaddr);\n\tif (netfirst) {\n\t\t/*\n\t\t * Lie and return ok, we don't want to make the association\n\t\t * go away for this behavior. It will happen in the TCP\n\t\t * model in a connected socket. It does not reach the hash\n\t\t * table until after the association is built so it can't be\n\t\t * found. Mark as reachable, since the initial creation will\n\t\t * have been cleared and the NOT_IN_ASSOC flag will have\n\t\t * been added... and we don't want to end up removing it\n\t\t * back out.\n\t\t */\n\t\tif (netfirst->dest_state & SCTP_ADDR_UNCONFIRMED) {\n\t\t\tnetfirst->dest_state = (SCTP_ADDR_REACHABLE |\n\t\t\t SCTP_ADDR_UNCONFIRMED);\n\t\t} else {\n\t\t\tnetfirst->dest_state = SCTP_ADDR_REACHABLE;\n\t\t}","\t\treturn (0);\n\t}\n\taddr_inscope = 1;\n\tswitch (newaddr->sa_family) {\n#ifdef INET\n\tcase AF_INET:\n\t{\n\t\tstruct sockaddr_in *sin;","\t\tsin = (struct sockaddr_in *)newaddr;\n\t\tif (sin->sin_addr.s_addr == 0) {\n\t\t\t/* Invalid address */\n\t\t\treturn (-1);\n\t\t}\n\t\t/* zero out the zero area */\n\t\tmemset(&sin->sin_zero, 0, sizeof(sin->sin_zero));","\t\t/* assure len is set */\n#ifdef HAVE_SIN_LEN\n\t\tsin->sin_len = sizeof(struct sockaddr_in);\n#endif\n\t\tif (set_scope) {\n\t\t\tif (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr)) {\n\t\t\t\tstcb->asoc.scope.ipv4_local_scope = 1;\n\t\t\t}\n\t\t} else {\n\t\t\t/* Validate the address is in scope */\n\t\t\tif ((IN4_ISPRIVATE_ADDRESS(&sin->sin_addr)) &&\n\t\t\t (stcb->asoc.scope.ipv4_local_scope == 0)) {\n\t\t\t\taddr_inscope = 0;\n\t\t\t}\n\t\t}\n\t\tbreak;\n\t}\n#endif\n#ifdef INET6\n\tcase AF_INET6:\n\t{\n\t\tstruct sockaddr_in6 *sin6;","\t\tsin6 = (struct sockaddr_in6 *)newaddr;\n\t\tif (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {\n\t\t\t/* Invalid address */\n\t\t\treturn (-1);\n\t\t}\n\t\t/* assure len is set */\n#ifdef HAVE_SIN6_LEN\n\t\tsin6->sin6_len = sizeof(struct sockaddr_in6);\n#endif\n\t\tif (set_scope) {\n\t\t\tif (sctp_is_address_on_local_host(newaddr, stcb->asoc.vrf_id)) {\n\t\t\t\tstcb->asoc.scope.loopback_scope = 1;\n\t\t\t\tstcb->asoc.scope.local_scope = 0;\n\t\t\t\tstcb->asoc.scope.ipv4_local_scope = 1;\n\t\t\t\tstcb->asoc.scope.site_scope = 1;\n\t\t\t} else if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {\n\t\t\t\t/*\n\t\t\t\t * If the new destination is a LINK_LOCAL we\n\t\t\t\t * must have common site scope. Don't set\n\t\t\t\t * the local scope since we may not share\n\t\t\t\t * all links, only loopback can do this.\n\t\t\t\t * Links on the local network would also be\n\t\t\t\t * on our private network for v4 too.\n\t\t\t\t */\n\t\t\t\tstcb->asoc.scope.ipv4_local_scope = 1;\n\t\t\t\tstcb->asoc.scope.site_scope = 1;\n\t\t\t} else if (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr)) {\n\t\t\t\t/*\n\t\t\t\t * If the new destination is SITE_LOCAL then\n\t\t\t\t * we must have site scope in common.\n\t\t\t\t */\n\t\t\t\tstcb->asoc.scope.site_scope = 1;\n\t\t\t}\n\t\t} else {\n\t\t\t/* Validate the address is in scope */\n\t\t\tif (IN6_IS_ADDR_LOOPBACK(&sin6->sin6_addr) &&\n\t\t\t (stcb->asoc.scope.loopback_scope == 0)) {\n\t\t\t\taddr_inscope = 0;\n\t\t\t} else if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) &&\n\t\t\t (stcb->asoc.scope.local_scope == 0)) {\n\t\t\t\taddr_inscope = 0;\n\t\t\t} else if (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr) &&\n\t\t\t (stcb->asoc.scope.site_scope == 0)) {\n\t\t\t\taddr_inscope = 0;\n\t\t\t}\n\t\t}\n\t\tbreak;\n\t}\n#endif\n#if defined(__Userspace__)\n\tcase AF_CONN:\n\t{\n\t\tstruct sockaddr_conn *sconn;","\t\tsconn = (struct sockaddr_conn *)newaddr;\n\t\tif (sconn->sconn_addr == NULL) {\n\t\t\t/* Invalid address */\n\t\t\treturn (-1);\n\t\t}\n#ifdef HAVE_SCONN_LEN\n\t\tsconn->sconn_len = sizeof(struct sockaddr_conn);\n#endif\n\t\tbreak;\n\t}\n#endif\n\tdefault:\n\t\t/* not supported family type */\n\t\treturn (-1);\n\t}\n\tnet = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_net), struct sctp_nets);\n\tif (net == NULL) {\n\t\treturn (-1);\n\t}\n\tSCTP_INCR_RADDR_COUNT();\n\tmemset(net, 0, sizeof(struct sctp_nets));\n\t(void)SCTP_GETTIME_TIMEVAL(&net->start_time);\n#ifdef HAVE_SA_LEN\n\tmemcpy(&net->ro._l_addr, newaddr, newaddr->sa_len);\n#endif\n\tswitch (newaddr->sa_family) {\n#ifdef INET\n\tcase AF_INET:\n#ifndef HAVE_SA_LEN\n\t\tmemcpy(&net->ro._l_addr, newaddr, sizeof(struct sockaddr_in));\n#endif\n\t\t((struct sockaddr_in *)&net->ro._l_addr)->sin_port = stcb->rport;\n\t\tbreak;\n#endif\n#ifdef INET6\n\tcase AF_INET6:\n#ifndef HAVE_SA_LEN\n\t\tmemcpy(&net->ro._l_addr, newaddr, sizeof(struct sockaddr_in6));\n#endif\n\t\t((struct sockaddr_in6 *)&net->ro._l_addr)->sin6_port = stcb->rport;\n\t\tbreak;\n#endif\n#if defined(__Userspace__)\n\tcase AF_CONN:\n#ifndef HAVE_SA_LEN\n\t\tmemcpy(&net->ro._l_addr, newaddr, sizeof(struct sockaddr_conn));\n#endif\n\t\t((struct sockaddr_conn *)&net->ro._l_addr)->sconn_port = stcb->rport;\n\t\tbreak;\n#endif\n\tdefault:\n\t\tbreak;\n\t}\n\tnet->addr_is_local = sctp_is_address_on_local_host(newaddr, stcb->asoc.vrf_id);\n\tif (net->addr_is_local && ((set_scope || (from == SCTP_ADDR_IS_CONFIRMED)))) {\n\t\tstcb->asoc.scope.loopback_scope = 1;\n\t\tstcb->asoc.scope.ipv4_local_scope = 1;\n\t\tstcb->asoc.scope.local_scope = 0;\n\t\tstcb->asoc.scope.site_scope = 1;\n\t\taddr_inscope = 1;\n\t}\n\tnet->failure_threshold = stcb->asoc.def_net_failure;\n\tnet->pf_threshold = stcb->asoc.def_net_pf_threshold;\n\tif (addr_inscope == 0) {\n\t\tnet->dest_state = (SCTP_ADDR_REACHABLE |\n\t\t SCTP_ADDR_OUT_OF_SCOPE);\n\t} else {\n\t\tif (from == SCTP_ADDR_IS_CONFIRMED)\n\t\t\t/* SCTP_ADDR_IS_CONFIRMED is passed by connect_x */\n\t\t\tnet->dest_state = SCTP_ADDR_REACHABLE;\n\t\telse\n\t\t\tnet->dest_state = SCTP_ADDR_REACHABLE |\n\t\t\t SCTP_ADDR_UNCONFIRMED;\n\t}\n\t/* We set this to 0, the timer code knows that\n\t * this means its an initial value\n\t */\n\tnet->rto_needed = 1;\n\tnet->RTO = 0;\n\tnet->RTO_measured = 0;\n\tstcb->asoc.numnets++;\n\tnet->ref_count = 1;\n\tnet->cwr_window_tsn = net->last_cwr_tsn = stcb->asoc.sending_seq - 1;\n\tnet->port = port;\n\tnet->dscp = stcb->asoc.default_dscp;\n#ifdef INET6\n\tnet->flowlabel = stcb->asoc.default_flowlabel;\n#endif\n\tif (sctp_stcb_is_feature_on(stcb->sctp_ep, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) {\n\t\tnet->dest_state |= SCTP_ADDR_NOHB;\n\t} else {\n\t\tnet->dest_state &= ~SCTP_ADDR_NOHB;\n\t}\n\tif (sctp_stcb_is_feature_on(stcb->sctp_ep, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) {\n\t\tnet->dest_state |= SCTP_ADDR_NO_PMTUD;\n\t} else {\n\t\tnet->dest_state &= ~SCTP_ADDR_NO_PMTUD;\n\t}\n\tnet->heart_beat_delay = stcb->asoc.heart_beat_delay;\n\t/* Init the timer structure */\n\tSCTP_OS_TIMER_INIT(&net->rxt_timer.timer);\n\tSCTP_OS_TIMER_INIT(&net->pmtu_timer.timer);\n\tSCTP_OS_TIMER_INIT(&net->hb_timer.timer);","\t/* Now generate a route for this guy */\n#ifdef INET6\n#ifdef SCTP_EMBEDDED_V6_SCOPE\n\t/* KAME hack: embed scopeid */\n\tif (newaddr->sa_family == AF_INET6) {\n\t\tstruct sockaddr_in6 *sin6;","\t\tsin6 = (struct sockaddr_in6 *)&net->ro._l_addr;\n#if defined(__APPLE__)\n#if defined(APPLE_LEOPARD) || defined(APPLE_SNOWLEOPARD)\n\t\t(void)in6_embedscope(&sin6->sin6_addr, sin6, &stcb->sctp_ep->ip_inp.inp, NULL);\n#else\n\t\t(void)in6_embedscope(&sin6->sin6_addr, sin6, &stcb->sctp_ep->ip_inp.inp, NULL, NULL);\n#endif\n#elif defined(SCTP_KAME)\n\t\t(void)sa6_embedscope(sin6, MODULE_GLOBAL(ip6_use_defzone));\n#else\n\t\t(void)in6_embedscope(&sin6->sin6_addr, sin6);\n#endif\n#ifndef SCOPEDROUTING\n\t\tsin6->sin6_scope_id = 0;\n#endif\n\t}\n#endif /* SCTP_EMBEDDED_V6_SCOPE */\n#endif\n\tSCTP_RTALLOC((sctp_route_t *)&net->ro,\n\t stcb->asoc.vrf_id,\n\t stcb->sctp_ep->fibnum);","\tnet->src_addr_selected = 0;\n#if !defined(__Userspace__)\n\tif (SCTP_ROUTE_HAS_VALID_IFN(&net->ro)) {\n\t\t/* Get source address */\n\t\tnet->ro._s_addr = sctp_source_address_selection(stcb->sctp_ep,\n\t\t stcb,\n\t\t (sctp_route_t *)&net->ro,\n\t\t net,\n\t\t 0,\n\t\t stcb->asoc.vrf_id);\n\t\tif (stcb->asoc.default_mtu > 0) {\n\t\t\tnet->mtu = stcb->asoc.default_mtu;\n\t\t\tswitch (net->ro._l_addr.sa.sa_family) {\n#ifdef INET\n\t\t\tcase AF_INET:\n\t\t\t\tnet->mtu += SCTP_MIN_V4_OVERHEAD;\n\t\t\t\tbreak;\n#endif\n#ifdef INET6\n\t\t\tcase AF_INET6:\n\t\t\t\tnet->mtu += SCTP_MIN_OVERHEAD;\n\t\t\t\tbreak;\n#endif\n#if defined(__Userspace__)\n\t\t\tcase AF_CONN:\n\t\t\t\tnet->mtu += sizeof(struct sctphdr);\n\t\t\t\tbreak;\n#endif\n\t\t\tdefault:\n\t\t\t\tbreak;\n\t\t\t}\n#if defined(INET) || defined(INET6)\n\t\t\tif (net->port) {\n\t\t\t\tnet->mtu += (uint32_t)sizeof(struct udphdr);\n\t\t\t}\n#endif\n\t\t} else if (net->ro._s_addr != NULL) {\n\t\t\tuint32_t imtu, rmtu, hcmtu;","\t\t\tnet->src_addr_selected = 1;\n\t\t\t/* Now get the interface MTU */\n\t\t\tif (net->ro._s_addr->ifn_p != NULL) {\n\t\t\t\timtu = SCTP_GATHER_MTU_FROM_INTFC(net->ro._s_addr->ifn_p);\n\t\t\t} else {\n\t\t\t\timtu = 0;\n\t\t\t}\n\t\t\trmtu = SCTP_GATHER_MTU_FROM_ROUTE(net->ro._s_addr, &net->ro._l_addr.sa, net->ro.ro_rt);\n#if defined(__FreeBSD__)\n\t\t\thcmtu = sctp_hc_get_mtu(&net->ro._l_addr, stcb->sctp_ep->fibnum);\n#else\n\t\t\thcmtu = 0;\n#endif\n\t\t\tnet->mtu = sctp_min_mtu(hcmtu, rmtu, imtu);\n\t\t\tif (rmtu == 0) {\n\t\t\t\t/* Start things off to match mtu of interface please. */\n\t\t\t\tSCTP_SET_MTU_OF_ROUTE(&net->ro._l_addr.sa,\n\t\t\t\t net->ro.ro_rt, net->mtu);\n\t\t\t}\n\t\t}\n\t}\n#endif\n\tif (net->mtu == 0) {\n\t\tif (stcb->asoc.default_mtu > 0) {\n\t\t\tnet->mtu = stcb->asoc.default_mtu;\n\t\t\tswitch (net->ro._l_addr.sa.sa_family) {\n#ifdef INET\n\t\t\tcase AF_INET:\n\t\t\t\tnet->mtu += SCTP_MIN_V4_OVERHEAD;\n\t\t\t\tbreak;\n#endif\n#ifdef INET6\n\t\t\tcase AF_INET6:\n\t\t\t\tnet->mtu += SCTP_MIN_OVERHEAD;\n\t\t\t\tbreak;\n#endif\n#if defined(__Userspace__)\n\t\t\tcase AF_CONN:\n\t\t\t\tnet->mtu += sizeof(struct sctphdr);\n\t\t\t\tbreak;\n#endif\n\t\t\tdefault:\n\t\t\t\tbreak;\n\t\t\t}\n#if defined(INET) || defined(INET6)\n\t\t\tif (net->port) {\n\t\t\t\tnet->mtu += (uint32_t)sizeof(struct udphdr);\n\t\t\t}\n#endif\n\t\t} else {\n\t\t\tswitch (newaddr->sa_family) {\n#ifdef INET\n\t\t\tcase AF_INET:\n\t\t\t\tnet->mtu = SCTP_DEFAULT_MTU;\n\t\t\t\tbreak;\n#endif\n#ifdef INET6\n\t\t\tcase AF_INET6:\n\t\t\t\tnet->mtu = 1280;\n\t\t\t\tbreak;\n#endif\n#if defined(__Userspace__)\n\t\t\tcase AF_CONN:\n\t\t\t\tnet->mtu = 1280;\n\t\t\t\tbreak;\n#endif\n\t\t\tdefault:\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\t}\n#if defined(INET) || defined(INET6)\n\tif (net->port) {\n\t\tnet->mtu -= (uint32_t)sizeof(struct udphdr);\n\t}\n#endif\n\tif (from == SCTP_ALLOC_ASOC) {\n\t\tstcb->asoc.smallest_mtu = net->mtu;\n\t}\n\tif (stcb->asoc.smallest_mtu > net->mtu) {\n\t\tsctp_pathmtu_adjustment(stcb, net->mtu);\n\t}\n#ifdef INET6\n#ifdef SCTP_EMBEDDED_V6_SCOPE\n\tif (newaddr->sa_family == AF_INET6) {\n\t\tstruct sockaddr_in6 *sin6;","\t\tsin6 = (struct sockaddr_in6 *)&net->ro._l_addr;\n#ifdef SCTP_KAME\n\t\t(void)sa6_recoverscope(sin6);\n#else\n\t\t(void)in6_recoverscope(sin6, &sin6->sin6_addr, NULL);\n#endif /* SCTP_KAME */\n\t}\n#endif /* SCTP_EMBEDDED_V6_SCOPE */\n#endif","\t/* JRS - Use the congestion control given in the CC module */\n\tif (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL)\n\t\t(*stcb->asoc.cc_functions.sctp_set_initial_cc_param)(stcb, net);","\t/*\n\t * CMT: CUC algo - set find_pseudo_cumack to TRUE (1) at beginning\n\t * of assoc (2005/06/27, iyengar@cis.udel.edu)\n\t */\n\tnet->find_pseudo_cumack = 1;\n\tnet->find_rtx_pseudo_cumack = 1;\n#if defined(__FreeBSD__)\n\t/* Choose an initial flowid. */\n\tnet->flowid = stcb->asoc.my_vtag ^\n\t ntohs(stcb->rport) ^\n\t ntohs(stcb->sctp_ep->sctp_lport);\n\tnet->flowtype = M_HASHTYPE_OPAQUE_HASH;\n#endif\n\tif (netp) {\n\t\t*netp = net;\n\t}\n\tnetfirst = TAILQ_FIRST(&stcb->asoc.nets);\n\tif (net->ro.ro_rt == NULL) {\n\t\t/* Since we have no route put it at the back */\n\t\tTAILQ_INSERT_TAIL(&stcb->asoc.nets, net, sctp_next);\n\t} else if (netfirst == NULL) {\n\t\t/* We are the first one in the pool. */\n\t\tTAILQ_INSERT_HEAD(&stcb->asoc.nets, net, sctp_next);\n\t} else if (netfirst->ro.ro_rt == NULL) {\n\t\t/*\n\t\t * First one has NO route. Place this one ahead of the first\n\t\t * one.\n\t\t */\n\t\tTAILQ_INSERT_HEAD(&stcb->asoc.nets, net, sctp_next);\n#ifndef __Panda__\n\t} else if (net->ro.ro_rt->rt_ifp != netfirst->ro.ro_rt->rt_ifp) {\n\t\t/*\n\t\t * This one has a different interface than the one at the\n\t\t * top of the list. Place it ahead.\n\t\t */\n\t\tTAILQ_INSERT_HEAD(&stcb->asoc.nets, net, sctp_next);\n#endif\n\t} else {\n\t\t/*\n\t\t * Ok we have the same interface as the first one. Move\n\t\t * forward until we find either a) one with a NULL route...\n\t\t * insert ahead of that b) one with a different ifp.. insert\n\t\t * after that. c) end of the list.. insert at the tail.\n\t\t */\n\t\tstruct sctp_nets *netlook;","\t\tdo {\n\t\t\tnetlook = TAILQ_NEXT(netfirst, sctp_next);\n\t\t\tif (netlook == NULL) {\n\t\t\t\t/* End of the list */\n\t\t\t\tTAILQ_INSERT_TAIL(&stcb->asoc.nets, net, sctp_next);\n\t\t\t\tbreak;\n\t\t\t} else if (netlook->ro.ro_rt == NULL) {\n\t\t\t\t/* next one has NO route */\n\t\t\t\tTAILQ_INSERT_BEFORE(netfirst, net, sctp_next);\n\t\t\t\tbreak;\n\t\t\t}\n#ifndef __Panda__\n\t\t\telse if (netlook->ro.ro_rt->rt_ifp != net->ro.ro_rt->rt_ifp)\n#else\n\t\t\telse\n#endif\n\t\t\t{\n\t\t\t\tTAILQ_INSERT_AFTER(&stcb->asoc.nets, netlook,\n\t\t\t\t\t\t net, sctp_next);\n\t\t\t\tbreak;\n\t\t\t}\n#ifndef __Panda__\n\t\t\t/* Shift forward */\n\t\t\tnetfirst = netlook;\n#endif\n\t\t} while (netlook != NULL);\n\t}","\t/* got to have a primary set */\n\tif (stcb->asoc.primary_destination == 0) {\n\t\tstcb->asoc.primary_destination = net;\n\t} else if ((stcb->asoc.primary_destination->ro.ro_rt == NULL) &&\n\t\t (net->ro.ro_rt) &&\n\t ((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0)) {\n\t\t/* No route to current primary adopt new primary */\n\t\tstcb->asoc.primary_destination = net;\n\t}\n\t/* Validate primary is first */\n\tnet = TAILQ_FIRST(&stcb->asoc.nets);\n\tif ((net != stcb->asoc.primary_destination) &&\n\t (stcb->asoc.primary_destination)) {\n\t\t/* first one on the list is NOT the primary\n\t\t * sctp_cmpaddr() is much more efficient if\n\t\t * the primary is the first on the list, make it\n\t\t * so.\n\t\t */\n\t\tTAILQ_REMOVE(&stcb->asoc.nets,\n\t\t\t stcb->asoc.primary_destination, sctp_next);\n\t\tTAILQ_INSERT_HEAD(&stcb->asoc.nets,\n\t\t\t\t stcb->asoc.primary_destination, sctp_next);\n\t}\n\treturn (0);\n}","\nstatic uint32_t\nsctp_aloc_a_assoc_id(struct sctp_inpcb *inp, struct sctp_tcb *stcb)\n{\n\tuint32_t id;\n\tstruct sctpasochead *head;\n\tstruct sctp_tcb *lstcb;"," try_again:\n\tif (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {\n\t\t/* TSNH */\n\t\treturn (0);\n\t}\n\t/*\n\t * We don't allow assoc id to be one of SCTP_FUTURE_ASSOC,\n\t * SCTP_CURRENT_ASSOC and SCTP_ALL_ASSOC.\n\t */\n\tif (inp->sctp_associd_counter <= SCTP_ALL_ASSOC) {\n\t\tinp->sctp_associd_counter = SCTP_ALL_ASSOC + 1;\n\t}\n\tid = inp->sctp_associd_counter;\n\tinp->sctp_associd_counter++;\n\tlstcb = sctp_findasoc_ep_asocid_locked(inp, (sctp_assoc_t)id, 0);\n\tif (lstcb) {\n\t\tgoto try_again;\n\t}\n\thead = &inp->sctp_asocidhash[SCTP_PCBHASH_ASOC(id, inp->hashasocidmark)];\n\tLIST_INSERT_HEAD(head, stcb, sctp_tcbasocidhash);\n\tstcb->asoc.in_asocid_hash = 1;\n\treturn (id);\n}","/*\n * allocate an association and add it to the endpoint. The caller must be\n * careful to add all additional addresses once they are know right away or\n * else the assoc will be may experience a blackout scenario.\n */\nstruct sctp_tcb *\nsctp_aloc_assoc(struct sctp_inpcb *inp, struct sockaddr *firstaddr,\n int *error, uint32_t override_tag, uint32_t vrf_id,\n uint16_t o_streams, uint16_t port,\n#if defined(__FreeBSD__) && __FreeBSD_version >= 500000\n struct thread *p,\n#elif defined(__Windows__)\n PKTHREAD p,\n#else\n#if defined(__Userspace__)\n /* __Userspace__ NULL proc is going to be passed here. See sctp_lower_sosend */\n#endif\n struct proc *p,\n#endif\n int initialize_auth_params)\n{\n\t/* note the p argument is only valid in unbound sockets */","\tstruct sctp_tcb *stcb;\n\tstruct sctp_association *asoc;\n\tstruct sctpasochead *head;\n\tuint16_t rport;\n\tint err;","\t/*\n\t * Assumption made here: Caller has done a\n\t * sctp_findassociation_ep_addr(ep, addr's); to make sure the\n\t * address does not exist already.\n\t */\n\tif (SCTP_BASE_INFO(ipi_count_asoc) >= SCTP_MAX_NUM_OF_ASOC) {\n\t\t/* Hit max assoc, sorry no more */\n\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, ENOBUFS);\n\t\t*error = ENOBUFS;\n\t\treturn (NULL);\n\t}\n\tif (firstaddr == NULL) {\n\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\n\t\t*error = EINVAL;\n\t\treturn (NULL);\n\t}\n\tSCTP_INP_RLOCK(inp);\n\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) &&\n\t ((sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE)) ||\n\t (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED))) {\n\t\t/*\n\t\t * If its in the TCP pool, its NOT allowed to create an\n\t\t * association. The parent listener needs to call\n\t\t * sctp_aloc_assoc.. or the one-2-many socket. If a peeled\n\t\t * off, or connected one does this.. its an error.\n\t\t */\n\t\tSCTP_INP_RUNLOCK(inp);\n\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\n\t\t*error = EINVAL;\n\t\treturn (NULL);\n\t}\n\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||\n\t (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE)) {\n\t\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_WAS_CONNECTED) ||\n\t\t (inp->sctp_flags & SCTP_PCB_FLAGS_WAS_ABORTED)) {\n\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\n\t\t\t*error = EINVAL;\n\t\t\treturn (NULL);\n\t\t}\n\t}\n\tSCTPDBG(SCTP_DEBUG_PCB3, \"Allocate an association for peer:\");\n#ifdef SCTP_DEBUG\n\tif (firstaddr) {\n\t\tSCTPDBG_ADDR(SCTP_DEBUG_PCB3, firstaddr);\n\t\tswitch (firstaddr->sa_family) {\n#ifdef INET\n\t\tcase AF_INET:\n\t\t\tSCTPDBG(SCTP_DEBUG_PCB3, \"Port:%d\\n\",\n\t\t\t ntohs(((struct sockaddr_in *)firstaddr)->sin_port));\n\t\t\tbreak;\n#endif\n#ifdef INET6\n\t\tcase AF_INET6:\n\t\t\tSCTPDBG(SCTP_DEBUG_PCB3, \"Port:%d\\n\",\n\t\t\t ntohs(((struct sockaddr_in6 *)firstaddr)->sin6_port));\n\t\t\tbreak;\n#endif\n#if defined(__Userspace__)\n\t\tcase AF_CONN:\n\t\t\tSCTPDBG(SCTP_DEBUG_PCB3, \"Port:%d\\n\",\n\t\t\t ntohs(((struct sockaddr_conn *)firstaddr)->sconn_port));\n\t\t\tbreak;\n#endif\n\t\tdefault:\n\t\t\tbreak;\n\t\t}\n\t} else {\n\t\tSCTPDBG(SCTP_DEBUG_PCB3,\"None\\n\");\n\t}\n#endif\t\t\t\t/* SCTP_DEBUG */\n\tswitch (firstaddr->sa_family) {\n#ifdef INET\n\tcase AF_INET:\n\t{\n\t\tstruct sockaddr_in *sin;","\t\tsin = (struct sockaddr_in *)firstaddr;\n\t\tif ((ntohs(sin->sin_port) == 0) ||\n\t\t (sin->sin_addr.s_addr == INADDR_ANY) ||\n\t\t (sin->sin_addr.s_addr == INADDR_BROADCAST) ||\n\t\t IN_MULTICAST(ntohl(sin->sin_addr.s_addr))) {\n\t\t\t/* Invalid address */\n\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\n\t\t\t*error = EINVAL;\n\t\t\treturn (NULL);\n\t\t}\n\t\trport = sin->sin_port;\n\t\tbreak;\n\t}\n#endif\n#ifdef INET6\n\tcase AF_INET6:\n\t{\n\t\tstruct sockaddr_in6 *sin6;","\t\tsin6 = (struct sockaddr_in6 *)firstaddr;\n\t\tif ((ntohs(sin6->sin6_port) == 0) ||\n\t\t IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr) ||\n\t\t IN6_IS_ADDR_MULTICAST(&sin6->sin6_addr)) {\n\t\t\t/* Invalid address */\n\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\n\t\t\t*error = EINVAL;\n\t\t\treturn (NULL);\n\t\t}\n\t\trport = sin6->sin6_port;\n\t\tbreak;\n\t}\n#endif\n#if defined(__Userspace__)\n\tcase AF_CONN:\n\t{\n\t\tstruct sockaddr_conn *sconn;","\t\tsconn = (struct sockaddr_conn *)firstaddr;\n\t\tif ((ntohs(sconn->sconn_port) == 0) ||\n\t\t (sconn->sconn_addr == NULL)) {\n\t\t\t/* Invalid address */\n\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\n\t\t\t*error = EINVAL;\n\t\t\treturn (NULL);\n\t\t}\n\t\trport = sconn->sconn_port;\n\t\tbreak;\n\t}\n#endif\n\tdefault:\n\t\t/* not supported family type */\n\t\tSCTP_INP_RUNLOCK(inp);\n\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\n\t\t*error = EINVAL;\n\t\treturn (NULL);\n\t}\n\tSCTP_INP_RUNLOCK(inp);\n\tif (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) {\n\t\t/*\n\t\t * If you have not performed a bind, then we need to do the\n\t\t * ephemeral bind for you.\n\t\t */\n\t\tif ((err = sctp_inpcb_bind(inp->sctp_socket,\n\t\t (struct sockaddr *)NULL,\n\t\t (struct sctp_ifa *)NULL,\n#ifndef __Panda__\n\t\t\t\t\t p\n#else\n\t\t\t\t\t (struct proc *)NULL\n#endif\n\t\t ))) {\n\t\t\t/* bind error, probably perm */\n\t\t\t*error = err;\n\t\t\treturn (NULL);\n\t\t}\n\t}\n\tstcb = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_asoc), struct sctp_tcb);\n\tif (stcb == NULL) {\n\t\t/* out of memory? */\n\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, ENOMEM);\n\t\t*error = ENOMEM;\n\t\treturn (NULL);\n\t}\n\tSCTP_INCR_ASOC_COUNT();","\tmemset(stcb, 0, sizeof(*stcb));\n\tasoc = &stcb->asoc;","\tSCTP_TCB_LOCK_INIT(stcb);\n\tSCTP_TCB_SEND_LOCK_INIT(stcb);\n\tstcb->rport = rport;\n\t/* setup back pointer's */\n\tstcb->sctp_ep = inp;\n\tstcb->sctp_socket = inp->sctp_socket;\n\tif ((err = sctp_init_asoc(inp, stcb, override_tag, vrf_id, o_streams))) {\n\t\t/* failed */\n\t\tSCTP_TCB_LOCK_DESTROY(stcb);\n\t\tSCTP_TCB_SEND_LOCK_DESTROY(stcb);\n\t\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_asoc), stcb);\n\t\tSCTP_DECR_ASOC_COUNT();\n\t\t*error = err;\n\t\treturn (NULL);\n\t}\n\t/* and the port */\n\tSCTP_INP_INFO_WLOCK();\n\tSCTP_INP_WLOCK(inp);\n\tif (inp->sctp_flags & (SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_SOCKET_ALLGONE)) {\n\t\t/* inpcb freed while alloc going on */\n\t\tSCTP_TCB_LOCK_DESTROY(stcb);\n\t\tSCTP_TCB_SEND_LOCK_DESTROY(stcb);\n\t\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_asoc), stcb);\n\t\tSCTP_INP_WUNLOCK(inp);\n\t\tSCTP_INP_INFO_WUNLOCK();\n\t\tSCTP_DECR_ASOC_COUNT();\n\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\n\t\t*error = EINVAL;\n\t\treturn (NULL);\n\t}\n\tSCTP_TCB_LOCK(stcb);","\tasoc->assoc_id = sctp_aloc_a_assoc_id(inp, stcb);\n\t/* now that my_vtag is set, add it to the hash */\n\thead = &SCTP_BASE_INFO(sctp_asochash)[SCTP_PCBHASH_ASOC(stcb->asoc.my_vtag, SCTP_BASE_INFO(hashasocmark))];\n\t/* put it in the bucket in the vtag hash of assoc's for the system */\n\tLIST_INSERT_HEAD(head, stcb, sctp_asocs);\n\tSCTP_INP_INFO_WUNLOCK();","\tif ((err = sctp_add_remote_addr(stcb, firstaddr, NULL, port, SCTP_DO_SETSCOPE, SCTP_ALLOC_ASOC))) {\n\t\t/* failure.. memory error? */\n\t\tif (asoc->strmout) {\n\t\t\tSCTP_FREE(asoc->strmout, SCTP_M_STRMO);\n\t\t\tasoc->strmout = NULL;\n\t\t}\n\t\tif (asoc->mapping_array) {\n\t\t\tSCTP_FREE(asoc->mapping_array, SCTP_M_MAP);\n\t\t\tasoc->mapping_array = NULL;\n\t\t}\n\t\tif (asoc->nr_mapping_array) {\n\t\t\tSCTP_FREE(asoc->nr_mapping_array, SCTP_M_MAP);\n\t\t\tasoc->nr_mapping_array = NULL;\n\t\t}\n\t\tSCTP_DECR_ASOC_COUNT();\n\t\tSCTP_TCB_UNLOCK(stcb);\n\t\tSCTP_TCB_LOCK_DESTROY(stcb);\n\t\tSCTP_TCB_SEND_LOCK_DESTROY(stcb);\n\t\tLIST_REMOVE(stcb, sctp_tcbasocidhash);\n\t\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_asoc), stcb);\n\t\tSCTP_INP_WUNLOCK(inp);\n\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, ENOBUFS);\n\t\t*error = ENOBUFS;\n\t\treturn (NULL);\n\t}\n\t/* Init all the timers */\n\tSCTP_OS_TIMER_INIT(&asoc->dack_timer.timer);\n\tSCTP_OS_TIMER_INIT(&asoc->strreset_timer.timer);\n\tSCTP_OS_TIMER_INIT(&asoc->asconf_timer.timer);\n\tSCTP_OS_TIMER_INIT(&asoc->shut_guard_timer.timer);\n\tSCTP_OS_TIMER_INIT(&asoc->autoclose_timer.timer);\n\tSCTP_OS_TIMER_INIT(&asoc->delayed_event_timer.timer);\n\tSCTP_OS_TIMER_INIT(&asoc->delete_prim_timer.timer);","\tLIST_INSERT_HEAD(&inp->sctp_asoc_list, stcb, sctp_tcblist);\n\t/* now file the port under the hash as well */\n\tif (inp->sctp_tcbhash != NULL) {\n\t\thead = &inp->sctp_tcbhash[SCTP_PCBHASH_ALLADDR(stcb->rport,\n\t\t inp->sctp_hashmark)];\n\t\tLIST_INSERT_HEAD(head, stcb, sctp_tcbhash);\n\t}\n\tif (initialize_auth_params == SCTP_INITIALIZE_AUTH_PARAMS) {\n\t\tsctp_initialize_auth_params(inp, stcb);\n\t}\n\tSCTP_INP_WUNLOCK(inp);\n\tSCTPDBG(SCTP_DEBUG_PCB1, \"Association %p now allocated\\n\", (void *)stcb);\n\treturn (stcb);\n}","\nvoid\nsctp_remove_net(struct sctp_tcb *stcb, struct sctp_nets *net)\n{\n\tstruct sctp_association *asoc;","\tasoc = &stcb->asoc;\n\tasoc->numnets--;\n\tTAILQ_REMOVE(&asoc->nets, net, sctp_next);\n\tif (net == asoc->primary_destination) {\n\t\t/* Reset primary */\n\t\tstruct sctp_nets *lnet;","\t\tlnet = TAILQ_FIRST(&asoc->nets);\n\t\t/* Mobility adaptation\n\t\t Ideally, if deleted destination is the primary, it becomes\n\t\t a fast retransmission trigger by the subsequent SET PRIMARY.\n\t\t (by micchie)\n\t\t */\n\t\tif (sctp_is_mobility_feature_on(stcb->sctp_ep,\n\t\t SCTP_MOBILITY_BASE) ||\n\t\t sctp_is_mobility_feature_on(stcb->sctp_ep,\n\t\t SCTP_MOBILITY_FASTHANDOFF)) {\n\t\t\tSCTPDBG(SCTP_DEBUG_ASCONF1, \"remove_net: primary dst is deleting\\n\");\n\t\t\tif (asoc->deleted_primary != NULL) {\n\t\t\t\tSCTPDBG(SCTP_DEBUG_ASCONF1, \"remove_net: deleted primary may be already stored\\n\");\n\t\t\t\tgoto out;\n\t\t\t}\n\t\t\tasoc->deleted_primary = net;\n\t\t\tatomic_add_int(&net->ref_count, 1);\n\t\t\tmemset(&net->lastsa, 0, sizeof(net->lastsa));\n\t\t\tmemset(&net->lastsv, 0, sizeof(net->lastsv));\n\t\t\tsctp_mobility_feature_on(stcb->sctp_ep,\n\t\t\t\t\t\t SCTP_MOBILITY_PRIM_DELETED);\n\t\t\tsctp_timer_start(SCTP_TIMER_TYPE_PRIM_DELETED,\n\t\t\t\t\t stcb->sctp_ep, stcb, NULL);\n\t\t}\nout:\n\t\t/* Try to find a confirmed primary */\n\t\tasoc->primary_destination = sctp_find_alternate_net(stcb, lnet, 0);\n\t}\n\tif (net == asoc->last_data_chunk_from) {\n\t\t/* Reset primary */\n\t\tasoc->last_data_chunk_from = TAILQ_FIRST(&asoc->nets);\n\t}\n\tif (net == asoc->last_control_chunk_from) {\n\t\t/* Clear net */\n\t\tasoc->last_control_chunk_from = NULL;\n\t}\n\tif (net == stcb->asoc.alternate) {\n\t\tsctp_free_remote_addr(stcb->asoc.alternate);\n\t\tstcb->asoc.alternate = NULL;\n\t}\n\tsctp_free_remote_addr(net);\n}","/*\n * remove a remote endpoint address from an association, it will fail if the\n * address does not exist.\n */\nint\nsctp_del_remote_addr(struct sctp_tcb *stcb, struct sockaddr *remaddr)\n{\n\t/*\n\t * Here we need to remove a remote address. This is quite simple, we\n\t * first find it in the list of address for the association\n\t * (tasoc->asoc.nets) and then if it is there, we do a LIST_REMOVE\n\t * on that item. Note we do not allow it to be removed if there are\n\t * no other addresses.\n\t */\n\tstruct sctp_association *asoc;\n\tstruct sctp_nets *net, *nnet;","\tasoc = &stcb->asoc;","\t/* locate the address */\n\tTAILQ_FOREACH_SAFE(net, &asoc->nets, sctp_next, nnet) {\n\t\tif (net->ro._l_addr.sa.sa_family != remaddr->sa_family) {\n\t\t\tcontinue;\n\t\t}\n\t\tif (sctp_cmpaddr((struct sockaddr *)&net->ro._l_addr,\n\t\t remaddr)) {\n\t\t\t/* we found the guy */\n\t\t\tif (asoc->numnets < 2) {\n\t\t\t\t/* Must have at LEAST two remote addresses */\n\t\t\t\treturn (-1);\n\t\t\t} else {\n\t\t\t\tsctp_remove_net(stcb, net);\n\t\t\t\treturn (0);\n\t\t\t}\n\t\t}\n\t}\n\t/* not found. */\n\treturn (-2);\n}","void\nsctp_delete_from_timewait(uint32_t tag, uint16_t lport, uint16_t rport)\n{\n\tstruct sctpvtaghead *chain;\n\tstruct sctp_tagblock *twait_block;\n\tint found = 0;\n\tint i;","\tchain = &SCTP_BASE_INFO(vtag_timewait)[(tag % SCTP_STACK_VTAG_HASH_SIZE)];\n\tLIST_FOREACH(twait_block, chain, sctp_nxt_tagblock) {\n\t\tfor (i = 0; i < SCTP_NUMBER_IN_VTAG_BLOCK; i++) {\n\t\t if ((twait_block->vtag_block[i].v_tag == tag) &&\n\t\t (twait_block->vtag_block[i].lport == lport) &&\n\t\t (twait_block->vtag_block[i].rport == rport)) {\n\t\t\t\ttwait_block->vtag_block[i].tv_sec_at_expire = 0;\n\t\t\t\ttwait_block->vtag_block[i].v_tag = 0;\n\t\t\t\ttwait_block->vtag_block[i].lport = 0;\n\t\t\t\ttwait_block->vtag_block[i].rport = 0;\n\t\t\t\tfound = 1;\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\t\tif (found)\n\t\t\tbreak;\n\t}\n}","int\nsctp_is_in_timewait(uint32_t tag, uint16_t lport, uint16_t rport)\n{\n\tstruct sctpvtaghead *chain;\n\tstruct sctp_tagblock *twait_block;\n\tint found = 0;\n\tint i;","\tSCTP_INP_INFO_WLOCK();\n\tchain = &SCTP_BASE_INFO(vtag_timewait)[(tag % SCTP_STACK_VTAG_HASH_SIZE)];\n\tLIST_FOREACH(twait_block, chain, sctp_nxt_tagblock) {\n\t\tfor (i = 0; i < SCTP_NUMBER_IN_VTAG_BLOCK; i++) {\n\t\t\tif ((twait_block->vtag_block[i].v_tag == tag) &&\n\t\t\t (twait_block->vtag_block[i].lport == lport) &&\n\t\t\t (twait_block->vtag_block[i].rport == rport)) {\n\t\t\t\tfound = 1;\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\t\tif (found)\n\t\t\tbreak;\n\t}\n\tSCTP_INP_INFO_WUNLOCK();\n\treturn (found);\n}","\nvoid\nsctp_add_vtag_to_timewait(uint32_t tag, uint32_t time, uint16_t lport, uint16_t rport)\n{\n\tstruct sctpvtaghead *chain;\n\tstruct sctp_tagblock *twait_block;\n\tstruct timeval now;\n\tint set, i;","\tif (time == 0) {\n\t\t/* Its disabled */\n\t\treturn;\n\t}\n\t(void)SCTP_GETTIME_TIMEVAL(&now);\n\tchain = &SCTP_BASE_INFO(vtag_timewait)[(tag % SCTP_STACK_VTAG_HASH_SIZE)];\n\tset = 0;\n\tLIST_FOREACH(twait_block, chain, sctp_nxt_tagblock) {\n\t\t/* Block(s) present, lets find space, and expire on the fly */\n\t\tfor (i = 0; i < SCTP_NUMBER_IN_VTAG_BLOCK; i++) {\n\t\t\tif ((twait_block->vtag_block[i].v_tag == 0) &&\n\t\t\t !set) {\n\t\t\t\ttwait_block->vtag_block[i].tv_sec_at_expire =\n\t\t\t\t\tnow.tv_sec + time;\n\t\t\t\ttwait_block->vtag_block[i].v_tag = tag;\n\t\t\t\ttwait_block->vtag_block[i].lport = lport;\n\t\t\t\ttwait_block->vtag_block[i].rport = rport;\n\t\t\t\tset = 1;\n\t\t\t} else if ((twait_block->vtag_block[i].v_tag) &&\n\t\t\t\t ((long)twait_block->vtag_block[i].tv_sec_at_expire < now.tv_sec)) {\n\t\t\t\t/* Audit expires this guy */\n\t\t\t\ttwait_block->vtag_block[i].tv_sec_at_expire = 0;\n\t\t\t\ttwait_block->vtag_block[i].v_tag = 0;\n\t\t\t\ttwait_block->vtag_block[i].lport = 0;\n\t\t\t\ttwait_block->vtag_block[i].rport = 0;\n\t\t\t\tif (set == 0) {\n\t\t\t\t\t/* Reuse it for my new tag */\n\t\t\t\t\ttwait_block->vtag_block[i].tv_sec_at_expire = now.tv_sec + time;\n\t\t\t\t\ttwait_block->vtag_block[i].v_tag = tag;\n\t\t\t\t\ttwait_block->vtag_block[i].lport = lport;\n\t\t\t\t\ttwait_block->vtag_block[i].rport = rport;\n\t\t\t\t\tset = 1;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\tif (set) {\n\t\t\t/*\n\t\t\t * We only do up to the block where we can\n\t\t\t * place our tag for audits\n\t\t\t */\n\t\t\tbreak;\n\t\t}\n\t}\n\t/* Need to add a new block to chain */\n\tif (!set) {\n\t\tSCTP_MALLOC(twait_block, struct sctp_tagblock *,\n\t\t sizeof(struct sctp_tagblock), SCTP_M_TIMW);\n\t\tif (twait_block == NULL) {\n#ifdef INVARIANTS\n\t\t\tpanic(\"Can not alloc tagblock\");\n#endif\n\t\t\treturn;\n\t\t}\n\t\tmemset(twait_block, 0, sizeof(struct sctp_tagblock));\n\t\tLIST_INSERT_HEAD(chain, twait_block, sctp_nxt_tagblock);\n\t\ttwait_block->vtag_block[0].tv_sec_at_expire = now.tv_sec + time;\n\t\ttwait_block->vtag_block[0].v_tag = tag;\n\t\ttwait_block->vtag_block[0].lport = lport;\n\t\ttwait_block->vtag_block[0].rport = rport;\n\t}\n}","void\nsctp_clean_up_stream(struct sctp_tcb *stcb, struct sctp_readhead *rh)\n{\n\tstruct sctp_tmit_chunk *chk, *nchk;\n\tstruct sctp_queued_to_read *control, *ncontrol;","\tTAILQ_FOREACH_SAFE(control, rh, next_instrm, ncontrol) {\n\t\tTAILQ_REMOVE(rh, control, next_instrm);\n\t\tcontrol->on_strm_q = 0;\n\t\tif (control->on_read_q == 0) {\n\t\t\tsctp_free_remote_addr(control->whoFrom);\n\t\t\tif (control->data) {\n\t\t\t\tsctp_m_freem(control->data);\n\t\t\t\tcontrol->data = NULL;\n\t\t\t}\n\t\t}\n\t\t/* Reassembly free? */\n\t\tTAILQ_FOREACH_SAFE(chk, &control->reasm, sctp_next, nchk) {\n\t\t\tTAILQ_REMOVE(&control->reasm, chk, sctp_next);\n\t\t\tif (chk->data) {\n\t\t\t\tsctp_m_freem(chk->data);\n\t\t\t\tchk->data = NULL;\n\t\t\t}\n\t\t\tif (chk->holds_key_ref)\n\t\t\t\tsctp_auth_key_release(stcb, chk->auth_keyid, SCTP_SO_LOCKED);\n\t\t\tsctp_free_remote_addr(chk->whoTo);\n\t\t\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_chunk), chk);\n\t\t\tSCTP_DECR_CHK_COUNT();\n\t\t\t/*sa_ignore FREED_MEMORY*/\n\t\t}\n\t\t/*\n\t\t * We don't free the address here\n\t\t * since all the net's were freed\n\t\t * above.\n\t\t */\n\t\tif (control->on_read_q == 0) {\n\t\t\tsctp_free_a_readq(stcb, control);\n\t\t}\n\t}\n}","#ifdef __Panda__\nvoid panda_wakeup_socket(struct socket *so);\n#endif","/*-\n * Free the association after un-hashing the remote port. This\n * function ALWAYS returns holding NO LOCK on the stcb. It DOES\n * expect that the input to this function IS a locked TCB.\n * It will return 0, if it did NOT destroy the association (instead\n * it unlocks it. It will return NON-zero if it either destroyed the\n * association OR the association is already destroyed.\n */\nint\nsctp_free_assoc(struct sctp_inpcb *inp, struct sctp_tcb *stcb, int from_inpcbfree, int from_location)\n{\n\tint i;\n\tstruct sctp_association *asoc;\n\tstruct sctp_nets *net, *nnet;\n\tstruct sctp_laddr *laddr, *naddr;\n\tstruct sctp_tmit_chunk *chk, *nchk;\n\tstruct sctp_asconf_addr *aparam, *naparam;\n\tstruct sctp_asconf_ack *aack, *naack;\n\tstruct sctp_stream_reset_list *strrst, *nstrrst;\n\tstruct sctp_queued_to_read *sq, *nsq;\n\tstruct sctp_stream_queue_pending *sp, *nsp;\n\tsctp_sharedkey_t *shared_key, *nshared_key;\n\tstruct socket *so;","\t/* first, lets purge the entry from the hash table. */\n#if defined(__APPLE__)\n\tsctp_lock_assert(SCTP_INP_SO(inp));\n#endif","#ifdef SCTP_LOG_CLOSING\n\tsctp_log_closing(inp, stcb, 6);\n#endif\n\tif (stcb->asoc.state == 0) {\n#ifdef SCTP_LOG_CLOSING\n\t\tsctp_log_closing(inp, NULL, 7);\n#endif\n\t\t/* there is no asoc, really TSNH :-0 */\n\t\treturn (1);\n\t}\n\tif (stcb->asoc.alternate) {\n\t\tsctp_free_remote_addr(stcb->asoc.alternate);\n\t\tstcb->asoc.alternate = NULL;\n\t}\n#if !defined(__APPLE__) /* TEMP: moved to below */\n /* TEMP CODE */\n\tif (stcb->freed_from_where == 0) {\n\t\t/* Only record the first place free happened from */\n\t\tstcb->freed_from_where = from_location;\n\t}\n /* TEMP CODE */\n#endif","\tasoc = &stcb->asoc;\n\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||\n\t (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE))\n\t\t/* nothing around */\n\t\tso = NULL;\n\telse\n\t\tso = inp->sctp_socket;","\t/*\n\t * We used timer based freeing if a reader or writer is in the way.\n\t * So we first check if we are actually being called from a timer,\n\t * if so we abort early if a reader or writer is still in the way.\n\t */\n\tif ((stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) &&\n\t (from_inpcbfree == SCTP_NORMAL_PROC)) {\n\t\t/*\n\t\t * is it the timer driving us? if so are the reader/writers\n\t\t * gone?\n\t\t */\n\t\tif (stcb->asoc.refcnt) {\n\t\t\t/* nope, reader or writer in the way */\n\t\t\tsctp_timer_start(SCTP_TIMER_TYPE_ASOCKILL, inp, stcb, NULL);\n\t\t\t/* no asoc destroyed */\n\t\t\tSCTP_TCB_UNLOCK(stcb);\n#ifdef SCTP_LOG_CLOSING\n\t\t\tsctp_log_closing(inp, stcb, 8);\n#endif\n\t\t\treturn (0);\n\t\t}\n\t}\n\t/* now clean up any other timers */\n\t(void)SCTP_OS_TIMER_STOP(&asoc->dack_timer.timer);\n\tasoc->dack_timer.self = NULL;\n\t(void)SCTP_OS_TIMER_STOP(&asoc->strreset_timer.timer);\n\t/*-\n\t * For stream reset we don't blast this unless\n\t * it is a str-reset timer, it might be the\n\t * free-asoc timer which we DON'T want to\n\t * disturb.\n\t */\n\tif (asoc->strreset_timer.type == SCTP_TIMER_TYPE_STRRESET)\n\t\tasoc->strreset_timer.self = NULL;\n\t(void)SCTP_OS_TIMER_STOP(&asoc->asconf_timer.timer);\n\tasoc->asconf_timer.self = NULL;\n\t(void)SCTP_OS_TIMER_STOP(&asoc->autoclose_timer.timer);\n\tasoc->autoclose_timer.self = NULL;\n\t(void)SCTP_OS_TIMER_STOP(&asoc->shut_guard_timer.timer);\n\tasoc->shut_guard_timer.self = NULL;\n\t(void)SCTP_OS_TIMER_STOP(&asoc->delayed_event_timer.timer);\n\tasoc->delayed_event_timer.self = NULL;\n\t/* Mobility adaptation */\n\t(void)SCTP_OS_TIMER_STOP(&asoc->delete_prim_timer.timer);\n\tasoc->delete_prim_timer.self = NULL;\n\tTAILQ_FOREACH(net, &asoc->nets, sctp_next) {\n\t\t(void)SCTP_OS_TIMER_STOP(&net->rxt_timer.timer);\n\t\tnet->rxt_timer.self = NULL;\n\t\t(void)SCTP_OS_TIMER_STOP(&net->pmtu_timer.timer);\n\t\tnet->pmtu_timer.self = NULL;\n\t\t(void)SCTP_OS_TIMER_STOP(&net->hb_timer.timer);\n\t\tnet->hb_timer.self = NULL;\n\t}\n\t/* Now the read queue needs to be cleaned up (only once) */\n\tif ((stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) == 0) {\n\t\tSCTP_ADD_SUBSTATE(stcb, SCTP_STATE_ABOUT_TO_BE_FREED);\n\t\tSCTP_INP_READ_LOCK(inp);\n\t\tTAILQ_FOREACH(sq, &inp->read_queue, next) {\n\t\t\tif (sq->stcb == stcb) {\n\t\t\t\tsq->do_not_ref_stcb = 1;\n\t\t\t\tsq->sinfo_cumtsn = stcb->asoc.cumulative_tsn;\n\t\t\t\t/* If there is no end, there never\n\t\t\t\t * will be now.\n\t\t\t\t */\n\t\t\t\tif (sq->end_added == 0) {\n\t\t\t\t\t/* Held for PD-API clear that. */\n\t\t\t\t\tsq->pdapi_aborted = 1;\n\t\t\t\t\tsq->held_length = 0;\n\t\t\t\t\tif (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT) && (so != NULL)) {\n\t\t\t\t\t\t/*\n\t\t\t\t\t\t * Need to add a PD-API aborted indication.\n\t\t\t\t\t\t * Setting the control_pdapi assures that it will\n\t\t\t\t\t\t * be added right after this msg.\n\t\t\t\t\t\t */\n\t\t\t\t\t\tuint32_t strseq;\n\t\t\t\t\t\tstcb->asoc.control_pdapi = sq;\n\t\t\t\t\t\tstrseq = (sq->sinfo_stream << 16) | (sq->mid & 0x0000ffff);\n\t\t\t\t\t\tsctp_ulp_notify(SCTP_NOTIFY_PARTIAL_DELVIERY_INDICATION,\n\t\t\t\t\t\t stcb,\n\t\t\t\t\t\t SCTP_PARTIAL_DELIVERY_ABORTED,\n\t\t\t\t\t\t (void *)&strseq,\n\t\t\t\t\t\t SCTP_SO_LOCKED);\n\t\t\t\t\t\tstcb->asoc.control_pdapi = NULL;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\t/* Add an end to wake them */\n\t\t\t\tsq->end_added = 1;\n\t\t\t}\n\t\t}\n\t\tSCTP_INP_READ_UNLOCK(inp);\n\t\tif (stcb->block_entry) {\n\t\t\tSCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_PCB, ECONNRESET);\n\t\t\tstcb->block_entry->error = ECONNRESET;\n\t\t\tstcb->block_entry = NULL;\n\t\t}\n\t}\n\tif ((stcb->asoc.refcnt) || (stcb->asoc.state & SCTP_STATE_IN_ACCEPT_QUEUE)) {\n\t\t/* Someone holds a reference OR the socket is unaccepted yet.\n\t\t*/\n\t\tif ((stcb->asoc.refcnt) ||\n\t\t (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||\n\t\t (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) {\n\t\t\tSCTP_CLEAR_SUBSTATE(stcb, SCTP_STATE_IN_ACCEPT_QUEUE);\n\t\t\tsctp_timer_start(SCTP_TIMER_TYPE_ASOCKILL, inp, stcb, NULL);\n\t\t}\n\t\tSCTP_TCB_UNLOCK(stcb);\n\t\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||\n\t\t (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE))\n\t\t\t/* nothing around */\n\t\t\tso = NULL;\n\t\tif (so) {\n\t\t\t/* Wake any reader/writers */\n\t\t\tsctp_sorwakeup(inp, so);\n\t\t\tsctp_sowwakeup(inp, so);\n\t\t}","#ifdef SCTP_LOG_CLOSING\n\t\tsctp_log_closing(inp, stcb, 9);\n#endif\n\t\t/* no asoc destroyed */\n\t\treturn (0);\n\t}\n#ifdef SCTP_LOG_CLOSING\n\tsctp_log_closing(inp, stcb, 10);\n#endif\n\t/* When I reach here, no others want\n\t * to kill the assoc yet.. and I own\n\t * the lock. Now its possible an abort\n\t * comes in when I do the lock exchange\n\t * below to grab all the locks to do\n\t * the final take out. to prevent this\n\t * we increment the count, which will\n\t * start a timer and blow out above thus\n\t * assuring us that we hold exclusive\n\t * killing of the asoc. Note that\n\t * after getting back the TCB lock\n\t * we will go ahead and increment the\n\t * counter back up and stop any timer\n\t * a passing stranger may have started :-S\n\t */\n\tif (from_inpcbfree == SCTP_NORMAL_PROC) {\n\t\tatomic_add_int(&stcb->asoc.refcnt, 1);","\t\tSCTP_TCB_UNLOCK(stcb);\n\t\tSCTP_INP_INFO_WLOCK();\n\t\tSCTP_INP_WLOCK(inp);\n\t\tSCTP_TCB_LOCK(stcb);\n\t}\n\t/* Double check the GONE flag */\n\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||\n\t (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE))\n\t\t/* nothing around */\n\t\tso = NULL;","\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\n\t (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {\n\t\t/*\n\t\t * For TCP type we need special handling when we are\n\t\t * connected. We also include the peel'ed off ones to.\n\t\t */\n\t\tif (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {\n\t\t\tinp->sctp_flags &= ~SCTP_PCB_FLAGS_CONNECTED;\n\t\t\tinp->sctp_flags |= SCTP_PCB_FLAGS_WAS_CONNECTED;\n\t\t\tif (so) {\n\t\t\t\tSOCKBUF_LOCK(&so->so_rcv);\n\t\t\t\tso->so_state &= ~(SS_ISCONNECTING |\n\t\t\t\t SS_ISDISCONNECTING |\n\t\t\t\t SS_ISCONFIRMING |\n\t\t\t\t SS_ISCONNECTED);\n\t\t\t\tso->so_state |= SS_ISDISCONNECTED;\n#if defined(__APPLE__)\n\t\t\t\tsocantrcvmore(so);\n#else\n\t\t\t\tsocantrcvmore_locked(so);\n#endif\n\t\t\t\tsocantsendmore(so);\n\t\t\t\tsctp_sowwakeup(inp, so);\n\t\t\t\tsctp_sorwakeup(inp, so);\n\t\t\t\tSCTP_SOWAKEUP(so);\n\t\t\t}\n\t\t}\n\t}","\t/* Make it invalid too, that way if its\n\t * about to run it will abort and return.\n\t */\n\t/* re-increment the lock */\n\tif (from_inpcbfree == SCTP_NORMAL_PROC) {\n\t\tatomic_add_int(&stcb->asoc.refcnt, -1);\n\t}\n\tif (stcb->asoc.refcnt) {\n\t\tSCTP_CLEAR_SUBSTATE(stcb, SCTP_STATE_IN_ACCEPT_QUEUE);\n\t\tsctp_timer_start(SCTP_TIMER_TYPE_ASOCKILL, inp, stcb, NULL);\n\t\tif (from_inpcbfree == SCTP_NORMAL_PROC) {\n\t\t\tSCTP_INP_INFO_WUNLOCK();\n\t\t\tSCTP_INP_WUNLOCK(inp);\n\t\t}\n\t\tSCTP_TCB_UNLOCK(stcb);\n\t\treturn (0);\n\t}\n\tasoc->state = 0;\n\tif (inp->sctp_tcbhash) {\n\t\tLIST_REMOVE(stcb, sctp_tcbhash);\n\t}\n\tif (stcb->asoc.in_asocid_hash) {\n\t\tLIST_REMOVE(stcb, sctp_tcbasocidhash);\n\t}\n\t/* Now lets remove it from the list of ALL associations in the EP */\n\tLIST_REMOVE(stcb, sctp_tcblist);\n\tif (from_inpcbfree == SCTP_NORMAL_PROC) {\n\t\tSCTP_INP_INCR_REF(inp);\n\t\tSCTP_INP_WUNLOCK(inp);\n\t}\n\t/* pull from vtag hash */\n\tLIST_REMOVE(stcb, sctp_asocs);\n\tsctp_add_vtag_to_timewait(asoc->my_vtag, SCTP_BASE_SYSCTL(sctp_vtag_time_wait),\n\t\t\t\t inp->sctp_lport, stcb->rport);","\t/* Now restop the timers to be sure\n\t * this is paranoia at is finest!\n\t */\n\t(void)SCTP_OS_TIMER_STOP(&asoc->strreset_timer.timer);\n\t(void)SCTP_OS_TIMER_STOP(&asoc->dack_timer.timer);\n\t(void)SCTP_OS_TIMER_STOP(&asoc->strreset_timer.timer);\n\t(void)SCTP_OS_TIMER_STOP(&asoc->asconf_timer.timer);\n\t(void)SCTP_OS_TIMER_STOP(&asoc->shut_guard_timer.timer);\n\t(void)SCTP_OS_TIMER_STOP(&asoc->autoclose_timer.timer);\n\t(void)SCTP_OS_TIMER_STOP(&asoc->delayed_event_timer.timer);\n\tTAILQ_FOREACH(net, &asoc->nets, sctp_next) {\n\t\t(void)SCTP_OS_TIMER_STOP(&net->rxt_timer.timer);\n\t\t(void)SCTP_OS_TIMER_STOP(&net->pmtu_timer.timer);\n\t\t(void)SCTP_OS_TIMER_STOP(&net->hb_timer.timer);\n\t}","\tasoc->strreset_timer.type = SCTP_TIMER_TYPE_NONE;\n\t/*\n\t * The chunk lists and such SHOULD be empty but we check them just\n\t * in case.\n\t */\n\t/* anything on the wheel needs to be removed */\n\tSCTP_TCB_SEND_LOCK(stcb);\n\tfor (i = 0; i < asoc->streamoutcnt; i++) {\n\t\tstruct sctp_stream_out *outs;","\t\touts = &asoc->strmout[i];\n\t\t/* now clean up any chunks here */\n\t\tTAILQ_FOREACH_SAFE(sp, &outs->outqueue, next, nsp) {\n\t\t\tatomic_subtract_int(&asoc->stream_queue_cnt, 1);\n\t\t\tTAILQ_REMOVE(&outs->outqueue, sp, next);\n\t\t\tstcb->asoc.ss_functions.sctp_ss_remove_from_stream(stcb, asoc, outs, sp, 1);\n\t\t\tsctp_free_spbufspace(stcb, asoc, sp);\n\t\t\tif (sp->data) {\n\t\t\t\tif (so) {\n\t\t\t\t\t/* Still an open socket - report */\n\t\t\t\t\tsctp_ulp_notify(SCTP_NOTIFY_SPECIAL_SP_FAIL, stcb,\n\t\t\t\t\t 0, (void *)sp, SCTP_SO_LOCKED);\n\t\t\t\t}\n\t\t\t\tif (sp->data) {\n\t\t\t\t\tsctp_m_freem(sp->data);\n\t\t\t\t\tsp->data = NULL;\n\t\t\t\t\tsp->tail_mbuf = NULL;\n\t\t\t\t\tsp->length = 0;\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (sp->net) {\n\t\t\t\tsctp_free_remote_addr(sp->net);\n\t\t\t\tsp->net = NULL;\n\t\t\t}\n\t\t\tsctp_free_a_strmoq(stcb, sp, SCTP_SO_LOCKED);\n\t\t}\n\t}\n\tSCTP_TCB_SEND_UNLOCK(stcb);\n\t/*sa_ignore FREED_MEMORY*/\n\tTAILQ_FOREACH_SAFE(strrst, &asoc->resetHead, next_resp, nstrrst) {\n\t\tTAILQ_REMOVE(&asoc->resetHead, strrst, next_resp);\n\t\tSCTP_FREE(strrst, SCTP_M_STRESET);\n\t}\n\tTAILQ_FOREACH_SAFE(sq, &asoc->pending_reply_queue, next, nsq) {\n\t\tTAILQ_REMOVE(&asoc->pending_reply_queue, sq, next);\n\t\tif (sq->data) {\n\t\t\tsctp_m_freem(sq->data);\n\t\t\tsq->data = NULL;\n\t\t}\n\t\tsctp_free_remote_addr(sq->whoFrom);\n\t\tsq->whoFrom = NULL;\n\t\tsq->stcb = NULL;\n\t\t/* Free the ctl entry */\n\t\tsctp_free_a_readq(stcb, sq);\n\t\t/*sa_ignore FREED_MEMORY*/\n\t}\n\tTAILQ_FOREACH_SAFE(chk, &asoc->free_chunks, sctp_next, nchk) {\n\t\tTAILQ_REMOVE(&asoc->free_chunks, chk, sctp_next);\n\t\tif (chk->data) {\n\t\t\tsctp_m_freem(chk->data);\n\t\t\tchk->data = NULL;\n\t\t}\n\t\tif (chk->holds_key_ref)\n\t\t\tsctp_auth_key_release(stcb, chk->auth_keyid, SCTP_SO_LOCKED);\n\t\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_chunk), chk);\n\t\tSCTP_DECR_CHK_COUNT();\n\t\tatomic_subtract_int(&SCTP_BASE_INFO(ipi_free_chunks), 1);\n\t\tasoc->free_chunk_cnt--;\n\t\t/*sa_ignore FREED_MEMORY*/\n\t}\n\t/* pending send queue SHOULD be empty */\n\tTAILQ_FOREACH_SAFE(chk, &asoc->send_queue, sctp_next, nchk) {\n\t\tif (asoc->strmout[chk->rec.data.sid].chunks_on_queues > 0) {\n\t\t\tasoc->strmout[chk->rec.data.sid].chunks_on_queues--;\n#ifdef INVARIANTS\n\t\t} else {\n\t\t\tpanic(\"No chunks on the queues for sid %u.\", chk->rec.data.sid);\n#endif\n\t\t}\n\t\tTAILQ_REMOVE(&asoc->send_queue, chk, sctp_next);\n\t\tif (chk->data) {\n\t\t\tif (so) {\n\t\t\t\t/* Still a socket? */\n\t\t\t\tsctp_ulp_notify(SCTP_NOTIFY_UNSENT_DG_FAIL, stcb,\n\t\t\t\t 0, chk, SCTP_SO_LOCKED);\n\t\t\t}\n\t\t\tif (chk->data) {\n\t\t\t\tsctp_m_freem(chk->data);\n\t\t\t\tchk->data = NULL;\n\t\t\t}\n\t\t}\n\t\tif (chk->holds_key_ref)\n\t\t\tsctp_auth_key_release(stcb, chk->auth_keyid, SCTP_SO_LOCKED);\n\t\tif (chk->whoTo) {\n\t\t\tsctp_free_remote_addr(chk->whoTo);\n\t\t\tchk->whoTo = NULL;\n\t\t}\n\t\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_chunk), chk);\n\t\tSCTP_DECR_CHK_COUNT();\n\t\t/*sa_ignore FREED_MEMORY*/\n\t}\n\t/* sent queue SHOULD be empty */\n\tTAILQ_FOREACH_SAFE(chk, &asoc->sent_queue, sctp_next, nchk) {\n\t\tif (chk->sent != SCTP_DATAGRAM_NR_ACKED) {\n\t\t\tif (asoc->strmout[chk->rec.data.sid].chunks_on_queues > 0) {\n\t\t\t\tasoc->strmout[chk->rec.data.sid].chunks_on_queues--;\n#ifdef INVARIANTS\n\t\t\t} else {\n\t\t\t\tpanic(\"No chunks on the queues for sid %u.\", chk->rec.data.sid);\n#endif\n\t\t\t}\n\t\t}\n\t\tTAILQ_REMOVE(&asoc->sent_queue, chk, sctp_next);\n\t\tif (chk->data) {\n\t\t\tif (so) {\n\t\t\t\t/* Still a socket? */\n\t\t\t\tsctp_ulp_notify(SCTP_NOTIFY_SENT_DG_FAIL, stcb,\n\t\t\t\t 0, chk, SCTP_SO_LOCKED);\n\t\t\t}\n\t\t\tif (chk->data) {\n\t\t\t\tsctp_m_freem(chk->data);\n\t\t\t\tchk->data = NULL;\n\t\t\t}\n\t\t}\n\t\tif (chk->holds_key_ref)\n\t\t\tsctp_auth_key_release(stcb, chk->auth_keyid, SCTP_SO_LOCKED);\n\t\tsctp_free_remote_addr(chk->whoTo);\n\t\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_chunk), chk);\n\t\tSCTP_DECR_CHK_COUNT();\n\t\t/*sa_ignore FREED_MEMORY*/\n\t}\n#ifdef INVARIANTS\n\tfor (i = 0; i < stcb->asoc.streamoutcnt; i++) {\n\t\tif (stcb->asoc.strmout[i].chunks_on_queues > 0) {\n\t\t\tpanic(\"%u chunks left for stream %u.\", stcb->asoc.strmout[i].chunks_on_queues, i);\n\t\t}\n\t}\n#endif\n\t/* control queue MAY not be empty */\n\tTAILQ_FOREACH_SAFE(chk, &asoc->control_send_queue, sctp_next, nchk) {\n\t\tTAILQ_REMOVE(&asoc->control_send_queue, chk, sctp_next);\n\t\tif (chk->data) {\n\t\t\tsctp_m_freem(chk->data);\n\t\t\tchk->data = NULL;\n\t\t}\n\t\tif (chk->holds_key_ref)\n\t\t\tsctp_auth_key_release(stcb, chk->auth_keyid, SCTP_SO_LOCKED);\n\t\tsctp_free_remote_addr(chk->whoTo);\n\t\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_chunk), chk);\n\t\tSCTP_DECR_CHK_COUNT();\n\t\t/*sa_ignore FREED_MEMORY*/\n\t}\n\t/* ASCONF queue MAY not be empty */\n\tTAILQ_FOREACH_SAFE(chk, &asoc->asconf_send_queue, sctp_next, nchk) {\n\t\tTAILQ_REMOVE(&asoc->asconf_send_queue, chk, sctp_next);\n\t\tif (chk->data) {\n\t\t\tsctp_m_freem(chk->data);\n\t\t\tchk->data = NULL;\n\t\t}\n\t\tif (chk->holds_key_ref)\n\t\t\tsctp_auth_key_release(stcb, chk->auth_keyid, SCTP_SO_LOCKED);\n\t\tsctp_free_remote_addr(chk->whoTo);\n\t\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_chunk), chk);\n\t\tSCTP_DECR_CHK_COUNT();\n\t\t/*sa_ignore FREED_MEMORY*/\n\t}\n\tif (asoc->mapping_array) {\n\t\tSCTP_FREE(asoc->mapping_array, SCTP_M_MAP);\n\t\tasoc->mapping_array = NULL;\n\t}\n\tif (asoc->nr_mapping_array) {\n\t\tSCTP_FREE(asoc->nr_mapping_array, SCTP_M_MAP);\n\t\tasoc->nr_mapping_array = NULL;\n\t}\n\t/* the stream outs */\n\tif (asoc->strmout) {\n\t\tSCTP_FREE(asoc->strmout, SCTP_M_STRMO);\n\t\tasoc->strmout = NULL;\n\t}\n\tasoc->strm_realoutsize = asoc->streamoutcnt = 0;\n\tif (asoc->strmin) {\n\t\tfor (i = 0; i < asoc->streamincnt; i++) {\n\t\t\tsctp_clean_up_stream(stcb, &asoc->strmin[i].inqueue);\n\t\t\tsctp_clean_up_stream(stcb, &asoc->strmin[i].uno_inqueue);\n\t\t}\n\t\tSCTP_FREE(asoc->strmin, SCTP_M_STRMI);\n\t\tasoc->strmin = NULL;\n\t}\n\tasoc->streamincnt = 0;\n\tTAILQ_FOREACH_SAFE(net, &asoc->nets, sctp_next, nnet) {\n#ifdef INVARIANTS\n\t\tif (SCTP_BASE_INFO(ipi_count_raddr) == 0) {\n\t\t\tpanic(\"no net's left alloc'ed, or list points to itself\");\n\t\t}\n#endif\n\t\tTAILQ_REMOVE(&asoc->nets, net, sctp_next);\n\t\tsctp_free_remote_addr(net);\n\t}\n\tLIST_FOREACH_SAFE(laddr, &asoc->sctp_restricted_addrs, sctp_nxt_addr, naddr) {\n\t\t/*sa_ignore FREED_MEMORY*/\n\t\tsctp_remove_laddr(laddr);\n\t}","\t/* pending asconf (address) parameters */\n\tTAILQ_FOREACH_SAFE(aparam, &asoc->asconf_queue, next, naparam) {\n\t\t/*sa_ignore FREED_MEMORY*/\n\t\tTAILQ_REMOVE(&asoc->asconf_queue, aparam, next);\n\t\tSCTP_FREE(aparam,SCTP_M_ASC_ADDR);\n\t}\n\tTAILQ_FOREACH_SAFE(aack, &asoc->asconf_ack_sent, next, naack) {\n\t\t/*sa_ignore FREED_MEMORY*/\n\t\tTAILQ_REMOVE(&asoc->asconf_ack_sent, aack, next);\n\t\tif (aack->data != NULL) {\n\t\t\tsctp_m_freem(aack->data);\n\t\t}\n\t\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_asconf_ack), aack);\n\t}\n\t/* clean up auth stuff */\n\tif (asoc->local_hmacs)\n\t\tsctp_free_hmaclist(asoc->local_hmacs);\n\tif (asoc->peer_hmacs)\n\t\tsctp_free_hmaclist(asoc->peer_hmacs);","\tif (asoc->local_auth_chunks)\n\t\tsctp_free_chunklist(asoc->local_auth_chunks);\n\tif (asoc->peer_auth_chunks)\n\t\tsctp_free_chunklist(asoc->peer_auth_chunks);","\tsctp_free_authinfo(&asoc->authinfo);","\tLIST_FOREACH_SAFE(shared_key, &asoc->shared_keys, next, nshared_key) {\n\t\tLIST_REMOVE(shared_key, next);\n\t\tsctp_free_sharedkey(shared_key);\n\t\t/*sa_ignore FREED_MEMORY*/\n\t}","\t/* Insert new items here :> */","\t/* Get rid of LOCK */\n\tSCTP_TCB_UNLOCK(stcb);\n\tSCTP_TCB_LOCK_DESTROY(stcb);\n\tSCTP_TCB_SEND_LOCK_DESTROY(stcb);\n\tif (from_inpcbfree == SCTP_NORMAL_PROC) {\n\t\tSCTP_INP_INFO_WUNLOCK();\n\t\tSCTP_INP_RLOCK(inp);\n\t}\n#if defined(__APPLE__) /* TEMP CODE */\n\tstcb->freed_from_where = from_location;\n#endif\n#ifdef SCTP_TRACK_FREED_ASOCS\n\tif (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) {\n\t\t/* now clean up the tasoc itself */\n\t\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_asoc), stcb);\n\t\tSCTP_DECR_ASOC_COUNT();\n\t} else {\n\t\tLIST_INSERT_HEAD(&inp->sctp_asoc_free_list, stcb, sctp_tcblist);\n\t}\n#else\n\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_asoc), stcb);\n\tSCTP_DECR_ASOC_COUNT();\n#endif\n\tif (from_inpcbfree == SCTP_NORMAL_PROC) {\n\t\tif (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) {\n\t\t\t/* If its NOT the inp_free calling us AND\n\t\t\t * sctp_close as been called, we\n\t\t\t * call back...\n\t\t\t */\n\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\t/* This will start the kill timer (if we are\n\t\t\t * the last one) since we hold an increment yet. But\n\t\t\t * this is the only safe way to do this\n\t\t\t * since otherwise if the socket closes\n\t\t\t * at the same time we are here we might\n\t\t\t * collide in the cleanup.\n\t\t\t */\n\t\t\tsctp_inpcb_free(inp,\n\t\t\t\t\tSCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE,\n\t\t\t\t\tSCTP_CALLED_DIRECTLY_NOCMPSET);\n\t\t\tSCTP_INP_DECR_REF(inp);\n\t\t\tgoto out_of;\n\t\t} else {\n\t\t\t/* The socket is still open. */\n\t\t\tSCTP_INP_DECR_REF(inp);\n\t\t}\n\t}\n\tif (from_inpcbfree == SCTP_NORMAL_PROC) {\n\t\tSCTP_INP_RUNLOCK(inp);\n\t}\n out_of:\n\t/* destroyed the asoc */\n#ifdef SCTP_LOG_CLOSING\n\tsctp_log_closing(inp, NULL, 11);\n#endif\n\treturn (1);\n}","","/*\n * determine if a destination is \"reachable\" based upon the addresses bound\n * to the current endpoint (e.g. only v4 or v6 currently bound)\n */\n/*\n * FIX: if we allow assoc-level bindx(), then this needs to be fixed to use\n * assoc level v4/v6 flags, as the assoc *may* not have the same address\n * types bound as its endpoint\n */\nint\nsctp_destination_is_reachable(struct sctp_tcb *stcb, struct sockaddr *destaddr)\n{\n\tstruct sctp_inpcb *inp;\n\tint answer;","\t/*\n\t * No locks here, the TCB, in all cases is already locked and an\n\t * assoc is up. There is either a INP lock by the caller applied (in\n\t * asconf case when deleting an address) or NOT in the HB case,\n\t * however if HB then the INP increment is up and the INP will not\n\t * be removed (on top of the fact that we have a TCB lock). So we\n\t * only want to read the sctp_flags, which is either bound-all or\n\t * not.. no protection needed since once an assoc is up you can't be\n\t * changing your binding.\n\t */\n\tinp = stcb->sctp_ep;\n\tif (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {\n\t\t/* if bound all, destination is not restricted */\n\t\t/*\n\t\t * RRS: Question during lock work: Is this correct? If you\n\t\t * are bound-all you still might need to obey the V4--V6\n\t\t * flags??? IMO this bound-all stuff needs to be removed!\n\t\t */\n\t\treturn (1);\n\t}\n\t/* NOTE: all \"scope\" checks are done when local addresses are added */\n\tswitch (destaddr->sa_family) {\n#ifdef INET6\n\tcase AF_INET6:\n#if !(defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__))\n\t\tanswer = inp->inp_vflag & INP_IPV6;\n#else\n\t\tanswer = inp->ip_inp.inp.inp_vflag & INP_IPV6;\n#endif\n\t\tbreak;\n#endif\n#ifdef INET\n\tcase AF_INET:\n#if !(defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__))\n\t\tanswer = inp->inp_vflag & INP_IPV4;\n#else\n\t\tanswer = inp->ip_inp.inp.inp_vflag & INP_IPV4;\n#endif\n\t\tbreak;\n#endif\n#if defined(__Userspace__)\n\tcase AF_CONN:\n\t\tanswer = inp->ip_inp.inp.inp_vflag & INP_CONN;\n\t\tbreak;\n#endif\n\tdefault:\n\t\t/* invalid family, so it's unreachable */\n\t\tanswer = 0;\n\t\tbreak;\n\t}\n\treturn (answer);\n}","/*\n * update the inp_vflags on an endpoint\n */\nstatic void\nsctp_update_ep_vflag(struct sctp_inpcb *inp)\n{\n\tstruct sctp_laddr *laddr;","\t/* first clear the flag */\n#if !(defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__))\n\tinp->inp_vflag = 0;\n#else\n\tinp->ip_inp.inp.inp_vflag = 0;\n#endif\n\t/* set the flag based on addresses on the ep list */\n\tLIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {\n\t\tif (laddr->ifa == NULL) {\n\t\t\tSCTPDBG(SCTP_DEBUG_PCB1, \"%s: NULL ifa\\n\",\n\t\t\t\t__func__);\n\t\t\tcontinue;\n\t\t}","\t\tif (laddr->ifa->localifa_flags & SCTP_BEING_DELETED) {\n\t\t\tcontinue;\n\t\t}\n\t\tswitch (laddr->ifa->address.sa.sa_family) {\n#ifdef INET6\n\t\tcase AF_INET6:\n#if !(defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__))\n\t\t\tinp->inp_vflag |= INP_IPV6;\n#else\n\t\t\tinp->ip_inp.inp.inp_vflag |= INP_IPV6;\n#endif\n\t\t\tbreak;\n#endif\n#ifdef INET\n\t\tcase AF_INET:\n#if !(defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__))\n\t\t\tinp->inp_vflag |= INP_IPV4;\n#else\n\t\t\tinp->ip_inp.inp.inp_vflag |= INP_IPV4;\n#endif\n\t\t\tbreak;\n#endif\n#if defined(__Userspace__)\n\t\tcase AF_CONN:\n\t\t\tinp->ip_inp.inp.inp_vflag |= INP_CONN;\n\t\t\tbreak;\n#endif\n\t\tdefault:\n\t\t\tbreak;\n\t\t}\n\t}\n}","/*\n * Add the address to the endpoint local address list There is nothing to be\n * done if we are bound to all addresses\n */\nvoid\nsctp_add_local_addr_ep(struct sctp_inpcb *inp, struct sctp_ifa *ifa, uint32_t action)\n{\n\tstruct sctp_laddr *laddr;\n\tstruct sctp_tcb *stcb;\n\tint fnd, error = 0;","\tfnd = 0;","\tif (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {\n\t\t/* You are already bound to all. You have it already */\n\t\treturn;\n\t}\n#ifdef INET6\n\tif (ifa->address.sa.sa_family == AF_INET6) {\n\t\tif (ifa->localifa_flags & SCTP_ADDR_IFA_UNUSEABLE) {\n\t\t\t/* Can't bind a non-useable addr. */\n\t\t\treturn;\n\t\t}\n\t}\n#endif\n\t/* first, is it already present? */\n\tLIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {\n\t\tif (laddr->ifa == ifa) {\n\t\t\tfnd = 1;\n\t\t\tbreak;\n\t\t}\n\t}","\tif (fnd == 0) {\n\t\t/* Not in the ep list */\n\t\terror = sctp_insert_laddr(&inp->sctp_addr_list, ifa, action);\n\t\tif (error != 0)\n\t\t\treturn;\n\t\tinp->laddr_count++;\n\t\t/* update inp_vflag flags */\n\t\tswitch (ifa->address.sa.sa_family) {\n#ifdef INET6\n\t\tcase AF_INET6:\n#if !(defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__))\n\t\t\tinp->inp_vflag |= INP_IPV6;\n#else\n\t\t\tinp->ip_inp.inp.inp_vflag |= INP_IPV6;\n#endif\n\t\t\tbreak;\n#endif\n#ifdef INET\n\t\tcase AF_INET:\n#if !(defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__))\n\t\t\tinp->inp_vflag |= INP_IPV4;\n#else\n\t\t\tinp->ip_inp.inp.inp_vflag |= INP_IPV4;\n#endif\n\t\t\tbreak;\n#endif\n#if defined(__Userspace__)\n\t\tcase AF_CONN:\n\t\t\tinp->ip_inp.inp.inp_vflag |= INP_CONN;\n\t\t\tbreak;\n#endif\n\t\tdefault:\n\t\t\tbreak;\n\t\t}\n\t\tLIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {\n\t\t\tsctp_add_local_addr_restricted(stcb, ifa);\n\t\t}\n\t}\n\treturn;\n}","\n/*\n * select a new (hopefully reachable) destination net (should only be used\n * when we deleted an ep addr that is the only usable source address to reach\n * the destination net)\n */\nstatic void\nsctp_select_primary_destination(struct sctp_tcb *stcb)\n{\n\tstruct sctp_nets *net;","\tTAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {\n\t\t/* for now, we'll just pick the first reachable one we find */\n\t\tif (net->dest_state & SCTP_ADDR_UNCONFIRMED)\n\t\t\tcontinue;\n\t\tif (sctp_destination_is_reachable(stcb,\n\t\t (struct sockaddr *)&net->ro._l_addr)) {\n\t\t\t/* found a reachable destination */\n\t\t\tstcb->asoc.primary_destination = net;\n\t\t}\n\t}\n\t/* I can't there from here! ...we're gonna die shortly... */\n}","\n/*\n * Delete the address from the endpoint local address list. There is nothing\n * to be done if we are bound to all addresses\n */\nvoid\nsctp_del_local_addr_ep(struct sctp_inpcb *inp, struct sctp_ifa *ifa)\n{\n\tstruct sctp_laddr *laddr;\n\tint fnd;","\tfnd = 0;\n\tif (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {\n\t\t/* You are already bound to all. You have it already */\n\t\treturn;\n\t}\n\tLIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {\n\t\tif (laddr->ifa == ifa) {\n\t\t\tfnd = 1;\n\t\t\tbreak;\n\t\t}\n\t}\n\tif (fnd && (inp->laddr_count < 2)) {\n\t\t/* can't delete unless there are at LEAST 2 addresses */\n\t\treturn;\n\t}\n\tif (fnd) {\n\t\t/*\n\t\t * clean up any use of this address go through our\n\t\t * associations and clear any last_used_address that match\n\t\t * this one for each assoc, see if a new primary_destination\n\t\t * is needed\n\t\t */\n\t\tstruct sctp_tcb *stcb;","\t\t/* clean up \"next_addr_touse\" */\n\t\tif (inp->next_addr_touse == laddr)\n\t\t\t/* delete this address */\n\t\t\tinp->next_addr_touse = NULL;","\t\t/* clean up \"last_used_address\" */\n\t\tLIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {\n\t\t\tstruct sctp_nets *net;","\t\t\tSCTP_TCB_LOCK(stcb);\n\t\t\tif (stcb->asoc.last_used_address == laddr)\n\t\t\t\t/* delete this address */\n\t\t\t\tstcb->asoc.last_used_address = NULL;\n\t\t\t/* Now spin through all the nets and purge any ref to laddr */\n\t\t\tTAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {\n\t\t\t\tif (net->ro._s_addr == laddr->ifa) {\n\t\t\t\t\t/* Yep, purge src address selected */\n\t\t\t\t\tsctp_rtentry_t *rt;","\t\t\t\t\t/* delete this address if cached */\n\t\t\t\t\trt = net->ro.ro_rt;\n\t\t\t\t\tif (rt != NULL) {\n\t\t\t\t\t\tRTFREE(rt);\n\t\t\t\t\t\tnet->ro.ro_rt = NULL;\n\t\t\t\t\t}\n\t\t\t\t\tsctp_free_ifa(net->ro._s_addr);\n\t\t\t\t\tnet->ro._s_addr = NULL;\n\t\t\t\t\tnet->src_addr_selected = 0;\n\t\t\t\t}\n\t\t\t}\n\t\t\tSCTP_TCB_UNLOCK(stcb);\n\t\t}\t\t/* for each tcb */\n\t\t/* remove it from the ep list */\n\t\tsctp_remove_laddr(laddr);\n\t\tinp->laddr_count--;\n\t\t/* update inp_vflag flags */\n\t\tsctp_update_ep_vflag(inp);\n\t}\n\treturn;\n}","/*\n * Add the address to the TCB local address restricted list.\n * This is a \"pending\" address list (eg. addresses waiting for an\n * ASCONF-ACK response) and cannot be used as a valid source address.\n */\nvoid\nsctp_add_local_addr_restricted(struct sctp_tcb *stcb, struct sctp_ifa *ifa)\n{\n\tstruct sctp_laddr *laddr;\n\tstruct sctpladdr *list;","\t/*\n\t * Assumes TCB is locked.. and possibly the INP. May need to\n\t * confirm/fix that if we need it and is not the case.\n\t */\n\tlist = &stcb->asoc.sctp_restricted_addrs;","#ifdef INET6\n\tif (ifa->address.sa.sa_family == AF_INET6) {\n\t\tif (ifa->localifa_flags & SCTP_ADDR_IFA_UNUSEABLE) {\n\t\t\t/* Can't bind a non-existent addr. */\n\t\t\treturn;\n\t\t}\n\t}\n#endif\n\t/* does the address already exist? */\n\tLIST_FOREACH(laddr, list, sctp_nxt_addr) {\n\t\tif (laddr->ifa == ifa) {\n\t\t\treturn;\n\t\t}\n\t}","\t/* add to the list */\n\t(void)sctp_insert_laddr(list, ifa, 0);\n\treturn;\n}","/*\n * Remove a local address from the TCB local address restricted list\n */\nvoid\nsctp_del_local_addr_restricted(struct sctp_tcb *stcb, struct sctp_ifa *ifa)\n{\n\tstruct sctp_inpcb *inp;\n\tstruct sctp_laddr *laddr;","\t/*\n\t * This is called by asconf work. It is assumed that a) The TCB is\n\t * locked and b) The INP is locked. This is true in as much as I can\n\t * trace through the entry asconf code where I did these locks.\n\t * Again, the ASCONF code is a bit different in that it does lock\n\t * the INP during its work often times. This must be since we don't\n\t * want other proc's looking up things while what they are looking\n\t * up is changing :-D\n\t */","\tinp = stcb->sctp_ep;\n\t/* if subset bound and don't allow ASCONF's, can't delete last */\n\tif (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) &&\n\t sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_ASCONF)) {\n\t\tif (stcb->sctp_ep->laddr_count < 2) {\n\t\t\t/* can't delete last address */\n\t\t\treturn;\n\t\t}\n\t}\n\tLIST_FOREACH(laddr, &stcb->asoc.sctp_restricted_addrs, sctp_nxt_addr) {\n\t\t/* remove the address if it exists */\n\t\tif (laddr->ifa == NULL)\n\t\t\tcontinue;\n\t\tif (laddr->ifa == ifa) {\n\t\t\tsctp_remove_laddr(laddr);\n\t\t\treturn;\n\t\t}\n\t}","\t/* address not found! */\n\treturn;\n}","#if defined(__FreeBSD__)\n/*\n * Temporarily remove for __APPLE__ until we use the Tiger equivalents\n */\n/* sysctl */\nstatic int sctp_max_number_of_assoc = SCTP_MAX_NUM_OF_ASOC;\nstatic int sctp_scale_up_for_address = SCTP_SCALE_FOR_ADDR;\n#endif\t\t\t\t/* FreeBSD || APPLE */","","#if defined(__FreeBSD__) && defined(SCTP_MCORE_INPUT) && defined(SMP)\nstruct sctp_mcore_ctrl *sctp_mcore_workers = NULL;\nint *sctp_cpuarry = NULL;\nvoid\nsctp_queue_to_mcore(struct mbuf *m, int off, int cpu_to_use)\n{\n\t/* Queue a packet to a processor for the specified core */\n\tstruct sctp_mcore_queue *qent;\n\tstruct sctp_mcore_ctrl *wkq;\n\tint need_wake = 0;\n\tif (sctp_mcore_workers == NULL) {\n\t\t/* Something went way bad during setup */\n\t\tsctp_input_with_port(m, off, 0);\n\t\treturn;\n\t}\n\tSCTP_MALLOC(qent, struct sctp_mcore_queue *,\n\t\t (sizeof(struct sctp_mcore_queue)),\n\t\t SCTP_M_MCORE);\n\tif (qent == NULL) {\n\t\t/* This is trouble */\n\t\tsctp_input_with_port(m, off, 0);\n\t\treturn;\n\t}\n#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\n\tqent->vn = curvnet;\n#endif\n\tqent->m = m;\n\tqent->off = off;\n\tqent->v6 = 0;\n\twkq = &sctp_mcore_workers[cpu_to_use];\n\tSCTP_MCORE_QLOCK(wkq);","\tTAILQ_INSERT_TAIL(&wkq->que, qent, next);\n\tif (wkq->running == 0) {\n\t\tneed_wake = 1;\n\t}\n\tSCTP_MCORE_QUNLOCK(wkq);\n\tif (need_wake) {\n\t\twakeup(&wkq->running);\n\t}\n}","static void\nsctp_mcore_thread(void *arg)\n{","\tstruct sctp_mcore_ctrl *wkq;\n\tstruct sctp_mcore_queue *qent;","\twkq = (struct sctp_mcore_ctrl *)arg;\n\tstruct mbuf *m;\n\tint off, v6;","\t/* Wait for first tickle */\n\tSCTP_MCORE_LOCK(wkq);\n\twkq->running = 0;\n\tmsleep(&wkq->running,\n\t &wkq->core_mtx,\n\t 0, \"wait for pkt\", 0);\n\tSCTP_MCORE_UNLOCK(wkq);","\t/* Bind to our cpu */\n\tthread_lock(curthread);\n\tsched_bind(curthread, wkq->cpuid);\n\tthread_unlock(curthread);","\t/* Now lets start working */\n\tSCTP_MCORE_LOCK(wkq);\n\t/* Now grab lock and go */\n\tfor (;;) {\n\t\tSCTP_MCORE_QLOCK(wkq);\n\tskip_sleep:\n\t\twkq->running = 1;\n\t\tqent = TAILQ_FIRST(&wkq->que);\n\t\tif (qent) {\n\t\t\tTAILQ_REMOVE(&wkq->que, qent, next);\n\t\t\tSCTP_MCORE_QUNLOCK(wkq);\n#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\n\t\t\tCURVNET_SET(qent->vn);\n#endif\n\t\t\tm = qent->m;\n\t\t\toff = qent->off;\n\t\t\tv6 = qent->v6;\n\t\t\tSCTP_FREE(qent, SCTP_M_MCORE);\n\t\t\tif (v6 == 0) {\n\t\t\t\tsctp_input_with_port(m, off, 0);\n\t\t\t} else {\n\t\t\t\tSCTP_PRINTF(\"V6 not yet supported\\n\");\n\t\t\t\tsctp_m_freem(m);\n\t\t\t}\n#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\n\t\t\tCURVNET_RESTORE();\n#endif\n\t\t\tSCTP_MCORE_QLOCK(wkq);\n\t\t}\n\t\twkq->running = 0;\n\t\tif (!TAILQ_EMPTY(&wkq->que)) {\n\t\t\tgoto skip_sleep;\n\t\t}\n\t\tSCTP_MCORE_QUNLOCK(wkq);\n\t\tmsleep(&wkq->running,\n\t\t &wkq->core_mtx,\n\t\t 0, \"wait for pkt\", 0);\n\t}\n}","static void\nsctp_startup_mcore_threads(void)\n{\n\tint i, cpu;","\tif (mp_ncpus == 1)\n\t\treturn;","\tif (sctp_mcore_workers != NULL) {\n\t\t/* Already been here in some previous\n\t\t * vnet?\n\t\t */\n\t\treturn;\n\t}\n\tSCTP_MALLOC(sctp_mcore_workers, struct sctp_mcore_ctrl *,\n\t\t ((mp_maxid+1) * sizeof(struct sctp_mcore_ctrl)),\n\t\t SCTP_M_MCORE);\n\tif (sctp_mcore_workers == NULL) {\n\t\t/* TSNH I hope */\n\t\treturn;\n\t}\n\tmemset(sctp_mcore_workers, 0 , ((mp_maxid+1) *\n\t\t\t\t\tsizeof(struct sctp_mcore_ctrl)));\n\t/* Init the structures */\n\tfor (i = 0; i<=mp_maxid; i++) {\n\t\tTAILQ_INIT(&sctp_mcore_workers[i].que);\n\t\tSCTP_MCORE_LOCK_INIT(&sctp_mcore_workers[i]);\n\t\tSCTP_MCORE_QLOCK_INIT(&sctp_mcore_workers[i]);\n\t\tsctp_mcore_workers[i].cpuid = i;\n\t}\n\tif (sctp_cpuarry == NULL) {\n\t\tSCTP_MALLOC(sctp_cpuarry, int *,\n\t\t\t (mp_ncpus * sizeof(int)),\n\t\t\t SCTP_M_MCORE);\n\t\ti = 0;\n\t\tCPU_FOREACH(cpu) {\n\t\t\tsctp_cpuarry[i] = cpu;\n\t\t\ti++;\n\t\t}\n\t}","\t/* Now start them all */\n\tCPU_FOREACH(cpu) {\n#if __FreeBSD_version <= 701000\n\t\t(void)kthread_create(sctp_mcore_thread,\n\t\t\t\t (void *)&sctp_mcore_workers[cpu],\n\t\t\t\t &sctp_mcore_workers[cpu].thread_proc,\n\t\t\t\t RFPROC,\n\t\t\t\t SCTP_KTHREAD_PAGES,\n\t\t\t\t SCTP_MCORE_NAME);","#else\n\t\t(void)kproc_create(sctp_mcore_thread,\n\t\t\t\t (void *)&sctp_mcore_workers[cpu],\n\t\t\t\t &sctp_mcore_workers[cpu].thread_proc,\n\t\t\t\t RFPROC,\n\t\t\t\t SCTP_KTHREAD_PAGES,\n\t\t\t\t SCTP_MCORE_NAME);\n#endif","\t}\n}\n#endif\n#if defined(__FreeBSD__) && __FreeBSD_cc_version >= 1400000\nstatic struct mbuf *\nsctp_netisr_hdlr(struct mbuf *m, uintptr_t source)\n{\n\tstruct ip *ip;\n\tstruct sctphdr *sh;\n\tint offset;\n\tuint32_t flowid, tag;","\t/*\n\t * No flow id built by lower layers fix it so we\n\t * create one.\n\t */\n\tip = mtod(m, struct ip *);\n\toffset = (ip->ip_hl << 2) + sizeof(struct sctphdr);\n\tif (SCTP_BUF_LEN(m) < offset) {\n\t\tif ((m = m_pullup(m, offset)) == NULL) {\n\t\t\tSCTP_STAT_INCR(sctps_hdrops);\n\t\t\treturn (NULL);\n\t\t}\n\t\tip = mtod(m, struct ip *);\n\t}\n\tsh = (struct sctphdr *)((caddr_t)ip + (ip->ip_hl << 2));\n\ttag = htonl(sh->v_tag);\n\tflowid = tag ^ ntohs(sh->dest_port) ^ ntohs(sh->src_port);\n\tm->m_pkthdr.flowid = flowid;\n/* FIX ME */\n\tm->m_flags |= M_FLOWID;\n\treturn (m);\n}\n#endif","void\n#if defined(__Userspace__)\nsctp_pcb_init(int start_threads)\n#else\nsctp_pcb_init(void)\n#endif\n{\n\t/*\n\t * SCTP initialization for the PCB structures should be called by\n\t * the sctp_init() function.\n\t */\n\tint i;\n\tstruct timeval tv;","\tif (SCTP_BASE_VAR(sctp_pcb_initialized) != 0) {\n\t\t/* error I was called twice */\n\t\treturn;\n\t}\n\tSCTP_BASE_VAR(sctp_pcb_initialized) = 1;","#if defined(SCTP_PROCESS_LEVEL_LOCKS)\n#if !defined(__Userspace_os_Windows)\n\tpthread_mutexattr_init(&SCTP_BASE_VAR(mtx_attr));\n#ifdef INVARIANTS\n\tpthread_mutexattr_settype(&SCTP_BASE_VAR(mtx_attr), PTHREAD_MUTEX_ERRORCHECK);\n#endif\n#endif\n#endif\n#if defined(SCTP_LOCAL_TRACE_BUF)\n#if defined(__Windows__)\n\tif (SCTP_BASE_SYSCTL(sctp_log) != NULL) {\n\t\tmemset(SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log));\n\t}\n#else\n\tmemset(&SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log));\n#endif\n#endif\n#if defined(__FreeBSD__) && defined(SMP) && defined(SCTP_USE_PERCPU_STAT)\n\tSCTP_MALLOC(SCTP_BASE_STATS, struct sctpstat *,\n\t\t ((mp_maxid+1) * sizeof(struct sctpstat)),\n\t\t SCTP_M_MCORE);\n#endif\n\t(void)SCTP_GETTIME_TIMEVAL(&tv);\n#if defined(__FreeBSD__) && defined(SMP) && defined(SCTP_USE_PERCPU_STAT)\n\tmemset(SCTP_BASE_STATS, 0, sizeof(struct sctpstat) * (mp_maxid+1));\n\tSCTP_BASE_STATS[PCPU_GET(cpuid)].sctps_discontinuitytime.tv_sec = (uint32_t)tv.tv_sec;\n\tSCTP_BASE_STATS[PCPU_GET(cpuid)].sctps_discontinuitytime.tv_usec = (uint32_t)tv.tv_usec;\n#else\n\tmemset(&SCTP_BASE_STATS, 0, sizeof(struct sctpstat));\n\tSCTP_BASE_STAT(sctps_discontinuitytime).tv_sec = (uint32_t)tv.tv_sec;\n\tSCTP_BASE_STAT(sctps_discontinuitytime).tv_usec = (uint32_t)tv.tv_usec;\n#endif\n\t/* init the empty list of (All) Endpoints */\n\tLIST_INIT(&SCTP_BASE_INFO(listhead));\n#if defined(__APPLE__)\n\tLIST_INIT(&SCTP_BASE_INFO(inplisthead));\n#if defined(APPLE_LEOPARD) || defined(APPLE_SNOWLEOPARD) || defined(APPLE_LION) || defined(APPLE_MOUNTAINLION)\n\tSCTP_BASE_INFO(sctbinfo).listhead = &SCTP_BASE_INFO(inplisthead);\n\tSCTP_BASE_INFO(sctbinfo).mtx_grp_attr = lck_grp_attr_alloc_init();\n\tlck_grp_attr_setdefault(SCTP_BASE_INFO(sctbinfo).mtx_grp_attr);\n\tSCTP_BASE_INFO(sctbinfo).mtx_grp = lck_grp_alloc_init(\"sctppcb\", SCTP_BASE_INFO(sctbinfo).mtx_grp_attr);\n\tSCTP_BASE_INFO(sctbinfo).mtx_attr = lck_attr_alloc_init();\n\tlck_attr_setdefault(SCTP_BASE_INFO(sctbinfo).mtx_attr);\n#else\n\tSCTP_BASE_INFO(sctbinfo).ipi_listhead = &SCTP_BASE_INFO(inplisthead);\n\tSCTP_BASE_INFO(sctbinfo).ipi_lock_grp_attr = lck_grp_attr_alloc_init();\n\tlck_grp_attr_setdefault(SCTP_BASE_INFO(sctbinfo).ipi_lock_grp_attr);\n\tSCTP_BASE_INFO(sctbinfo).ipi_lock_grp = lck_grp_alloc_init(\"sctppcb\", SCTP_BASE_INFO(sctbinfo).ipi_lock_grp_attr);\n\tSCTP_BASE_INFO(sctbinfo).ipi_lock_attr = lck_attr_alloc_init();\n\tlck_attr_setdefault(SCTP_BASE_INFO(sctbinfo).ipi_lock_attr);\n#endif\n#if !defined(APPLE_LEOPARD) && !defined(APPLE_SNOWLEOPARD) && !defined(APPLE_LION) && !defined(APPLE_MOUNTAINLION)\n\tSCTP_BASE_INFO(sctbinfo).ipi_gc = sctp_gc;\n\tin_pcbinfo_attach(&SCTP_BASE_INFO(sctbinfo));\n#endif\n#endif","\n\t/* init the hash table of endpoints */\n#if defined(__FreeBSD__)\n#if defined(__FreeBSD_cc_version) && __FreeBSD_cc_version >= 440000\n\tTUNABLE_INT_FETCH(\"net.inet.sctp.tcbhashsize\", &SCTP_BASE_SYSCTL(sctp_hashtblsize));\n\tTUNABLE_INT_FETCH(\"net.inet.sctp.pcbhashsize\", &SCTP_BASE_SYSCTL(sctp_pcbtblsize));\n\tTUNABLE_INT_FETCH(\"net.inet.sctp.chunkscale\", &SCTP_BASE_SYSCTL(sctp_chunkscale));\n#else\n\tTUNABLE_INT_FETCH(\"net.inet.sctp.tcbhashsize\", SCTP_TCBHASHSIZE,\n\t\t\t SCTP_BASE_SYSCTL(sctp_hashtblsize));\n\tTUNABLE_INT_FETCH(\"net.inet.sctp.pcbhashsize\", SCTP_PCBHASHSIZE,\n\t\t\t SCTP_BASE_SYSCTL(sctp_pcbtblsize));\n\tTUNABLE_INT_FETCH(\"net.inet.sctp.chunkscale\", SCTP_CHUNKQUEUE_SCALE,\n\t\t\t SCTP_BASE_SYSCTL(sctp_chunkscale));\n#endif\n#endif\n\tSCTP_BASE_INFO(sctp_asochash) = SCTP_HASH_INIT((SCTP_BASE_SYSCTL(sctp_hashtblsize) * 31),\n\t\t\t\t\t\t &SCTP_BASE_INFO(hashasocmark));\n\tSCTP_BASE_INFO(sctp_ephash) = SCTP_HASH_INIT(SCTP_BASE_SYSCTL(sctp_hashtblsize),\n\t\t\t\t\t\t &SCTP_BASE_INFO(hashmark));\n\tSCTP_BASE_INFO(sctp_tcpephash) = SCTP_HASH_INIT(SCTP_BASE_SYSCTL(sctp_hashtblsize),\n\t\t\t\t\t\t\t&SCTP_BASE_INFO(hashtcpmark));\n\tSCTP_BASE_INFO(hashtblsize) = SCTP_BASE_SYSCTL(sctp_hashtblsize);","\n\tSCTP_BASE_INFO(sctp_vrfhash) = SCTP_HASH_INIT(SCTP_SIZE_OF_VRF_HASH,\n\t\t\t\t\t\t &SCTP_BASE_INFO(hashvrfmark));","\tSCTP_BASE_INFO(vrf_ifn_hash) = SCTP_HASH_INIT(SCTP_VRF_IFN_HASH_SIZE,\n\t\t\t\t\t\t &SCTP_BASE_INFO(vrf_ifn_hashmark));\n\t/* init the zones */\n\t/*\n\t * FIX ME: Should check for NULL returns, but if it does fail we are\n\t * doomed to panic anyways... add later maybe.\n\t */\n\tSCTP_ZONE_INIT(SCTP_BASE_INFO(ipi_zone_ep), \"sctp_ep\",\n\t\t sizeof(struct sctp_inpcb), maxsockets);","\tSCTP_ZONE_INIT(SCTP_BASE_INFO(ipi_zone_asoc), \"sctp_asoc\",\n\t\t sizeof(struct sctp_tcb), sctp_max_number_of_assoc);","\tSCTP_ZONE_INIT(SCTP_BASE_INFO(ipi_zone_laddr), \"sctp_laddr\",\n\t\t sizeof(struct sctp_laddr),\n\t\t (sctp_max_number_of_assoc * sctp_scale_up_for_address));","\tSCTP_ZONE_INIT(SCTP_BASE_INFO(ipi_zone_net), \"sctp_raddr\",\n\t\t sizeof(struct sctp_nets),\n\t\t (sctp_max_number_of_assoc * sctp_scale_up_for_address));","\tSCTP_ZONE_INIT(SCTP_BASE_INFO(ipi_zone_chunk), \"sctp_chunk\",\n\t\t sizeof(struct sctp_tmit_chunk),\n\t\t (sctp_max_number_of_assoc * SCTP_BASE_SYSCTL(sctp_chunkscale)));","\tSCTP_ZONE_INIT(SCTP_BASE_INFO(ipi_zone_readq), \"sctp_readq\",\n\t\t sizeof(struct sctp_queued_to_read),\n\t\t (sctp_max_number_of_assoc * SCTP_BASE_SYSCTL(sctp_chunkscale)));","\tSCTP_ZONE_INIT(SCTP_BASE_INFO(ipi_zone_strmoq), \"sctp_stream_msg_out\",\n\t\t sizeof(struct sctp_stream_queue_pending),\n\t\t (sctp_max_number_of_assoc * SCTP_BASE_SYSCTL(sctp_chunkscale)));","\tSCTP_ZONE_INIT(SCTP_BASE_INFO(ipi_zone_asconf), \"sctp_asconf\",\n\t\t sizeof(struct sctp_asconf),\n\t\t (sctp_max_number_of_assoc * SCTP_BASE_SYSCTL(sctp_chunkscale)));","\tSCTP_ZONE_INIT(SCTP_BASE_INFO(ipi_zone_asconf_ack), \"sctp_asconf_ack\",\n\t\t sizeof(struct sctp_asconf_ack),\n\t\t (sctp_max_number_of_assoc * SCTP_BASE_SYSCTL(sctp_chunkscale)));","\n\t/* Master Lock INIT for info structure */\n\tSCTP_INP_INFO_LOCK_INIT();\n\tSCTP_STATLOG_INIT_LOCK();","\tSCTP_IPI_COUNT_INIT();\n\tSCTP_IPI_ADDR_INIT();\n#ifdef SCTP_PACKET_LOGGING\n\tSCTP_IP_PKTLOG_INIT();\n#endif\n\tLIST_INIT(&SCTP_BASE_INFO(addr_wq));","\tSCTP_WQ_ADDR_INIT();\n\t/* not sure if we need all the counts */\n\tSCTP_BASE_INFO(ipi_count_ep) = 0;\n\t/* assoc/tcb zone info */\n\tSCTP_BASE_INFO(ipi_count_asoc) = 0;\n\t/* local addrlist zone info */\n\tSCTP_BASE_INFO(ipi_count_laddr) = 0;\n\t/* remote addrlist zone info */\n\tSCTP_BASE_INFO(ipi_count_raddr) = 0;\n\t/* chunk info */\n\tSCTP_BASE_INFO(ipi_count_chunk) = 0;","\t/* socket queue zone info */\n\tSCTP_BASE_INFO(ipi_count_readq) = 0;","\t/* stream out queue cont */\n\tSCTP_BASE_INFO(ipi_count_strmoq) = 0;","\tSCTP_BASE_INFO(ipi_free_strmoq) = 0;\n\tSCTP_BASE_INFO(ipi_free_chunks) = 0;","\tSCTP_OS_TIMER_INIT(&SCTP_BASE_INFO(addr_wq_timer.timer));","\t/* Init the TIMEWAIT list */\n\tfor (i = 0; i < SCTP_STACK_VTAG_HASH_SIZE; i++) {\n\t\tLIST_INIT(&SCTP_BASE_INFO(vtag_timewait)[i]);\n\t}\n#if defined(SCTP_PROCESS_LEVEL_LOCKS)\n#if defined(__Userspace_os_Windows)\n\tInitializeConditionVariable(&sctp_it_ctl.iterator_wakeup);\n#else\n\t(void)pthread_cond_init(&sctp_it_ctl.iterator_wakeup, NULL);\n#endif\n#endif\n\tsctp_startup_iterator();","#if defined(__FreeBSD__) && defined(SCTP_MCORE_INPUT) && defined(SMP)\n\tsctp_startup_mcore_threads();\n#endif","#ifndef __Panda__\n\t/*\n\t * INIT the default VRF which for BSD is the only one, other O/S's\n\t * may have more. But initially they must start with one and then\n\t * add the VRF's as addresses are added.\n\t */\n\tsctp_init_vrf_list(SCTP_DEFAULT_VRF);\n#endif\n#if defined(__FreeBSD__) && __FreeBSD_cc_version >= 1400000\n\tif (ip_register_flow_handler(sctp_netisr_hdlr, IPPROTO_SCTP)) {\n\t\tSCTP_PRINTF(\"***SCTP- Error can't register netisr handler***\\n\");\n\t}\n#endif\n#if defined(_SCTP_NEEDS_CALLOUT_) || defined(_USER_SCTP_NEEDS_CALLOUT_)\n\t/* allocate the lock for the callout/timer queue */\n\tSCTP_TIMERQ_LOCK_INIT();\n\tSCTP_TIMERWAIT_LOCK_INIT();\n\tTAILQ_INIT(&SCTP_BASE_INFO(callqueue));\n#endif\n#if defined(__Userspace__)\n\tmbuf_initialize(NULL);\n\tatomic_init();\n#if defined(INET) || defined(INET6)\n\tif (start_threads)\n\t\trecv_thread_init();\n#endif\n#endif\n}","/*\n * Assumes that the SCTP_BASE_INFO() lock is NOT held.\n */\nvoid\nsctp_pcb_finish(void)\n{\n\tstruct sctp_vrflist *vrf_bucket;\n\tstruct sctp_vrf *vrf, *nvrf;\n\tstruct sctp_ifn *ifn, *nifn;\n\tstruct sctp_ifa *ifa, *nifa;\n\tstruct sctpvtaghead *chain;\n\tstruct sctp_tagblock *twait_block, *prev_twait_block;\n\tstruct sctp_laddr *wi, *nwi;\n\tint i;\n\tstruct sctp_iterator *it, *nit;","\tif (SCTP_BASE_VAR(sctp_pcb_initialized) == 0) {\n\t\tSCTP_PRINTF(\"%s: race condition on teardown.\\n\", __func__);\n\t\treturn;\n\t}\n\tSCTP_BASE_VAR(sctp_pcb_initialized) = 0;\n#if !defined(__FreeBSD__)\n\t/* Notify the iterator to exit. */\n\tSCTP_IPI_ITERATOR_WQ_LOCK();\n\tsctp_it_ctl.iterator_flags |= SCTP_ITERATOR_MUST_EXIT;\n\tsctp_wakeup_iterator();\n\tSCTP_IPI_ITERATOR_WQ_UNLOCK();\n#endif\n#if defined(__APPLE__)\n#if !defined(APPLE_LEOPARD) && !defined(APPLE_SNOWLEOPARD) && !defined(APPLE_LION) && !defined(APPLE_MOUNTAINLION)\n\tin_pcbinfo_detach(&SCTP_BASE_INFO(sctbinfo));\n#endif\n\tSCTP_IPI_ITERATOR_WQ_LOCK();\n\tdo {\n\t\tmsleep(&sctp_it_ctl.iterator_flags,\n\t\t sctp_it_ctl.ipi_iterator_wq_mtx,\n\t\t 0, \"waiting_for_work\", 0);\n\t} while ((sctp_it_ctl.iterator_flags & SCTP_ITERATOR_EXITED) == 0);\n\tthread_deallocate(sctp_it_ctl.thread_proc);\n\tSCTP_IPI_ITERATOR_WQ_UNLOCK();\n#endif\n#if defined(__Windows__)\n\tif (sctp_it_ctl.iterator_thread_obj != NULL) {\n\t\tNTSTATUS status = STATUS_SUCCESS;","\t\tKeSetEvent(&sctp_it_ctl.iterator_wakeup[1], IO_NO_INCREMENT, FALSE);\n\t\tstatus = KeWaitForSingleObject(sctp_it_ctl.iterator_thread_obj,\n\t\t\t\t\t Executive,\n\t\t\t\t\t KernelMode,\n\t\t\t\t\t FALSE,\n\t\t\t\t\t NULL);\n\t\tObDereferenceObject(sctp_it_ctl.iterator_thread_obj);\n\t}\n#endif\n#if defined(__Userspace__)\n\tif (sctp_it_ctl.thread_proc) {\n#if defined(__Userspace_os_Windows)\n\t\tWaitForSingleObject(sctp_it_ctl.thread_proc, INFINITE);\n\t\tCloseHandle(sctp_it_ctl.thread_proc);\n\t\tsctp_it_ctl.thread_proc = NULL;\n#else\n\t\tpthread_join(sctp_it_ctl.thread_proc, NULL);\n\t\tsctp_it_ctl.thread_proc = 0;\n#endif\n\t}\n#endif\n#if defined(SCTP_PROCESS_LEVEL_LOCKS)\n#if defined(__Userspace_os_Windows)\n\tDeleteConditionVariable(&sctp_it_ctl.iterator_wakeup);\n#else\n\tpthread_cond_destroy(&sctp_it_ctl.iterator_wakeup);\n\tpthread_mutexattr_destroy(&SCTP_BASE_VAR(mtx_attr));\n#endif\n#endif\n\t/* In FreeBSD the iterator thread never exits\n\t * but we do clean up.\n\t * The only way FreeBSD reaches here is if we have VRF's\n\t * but we still add the ifdef to make it compile on old versions.\n\t */\n#if defined(__FreeBSD__)\nretry:\n#endif\n\tSCTP_IPI_ITERATOR_WQ_LOCK();\n#if defined(__FreeBSD__)\n\t/*\n\t * sctp_iterator_worker() might be working on an it entry without\n\t * holding the lock. We won't find it on the list either and\n\t * continue and free/destroy it. While holding the lock, spin, to\n\t * avoid the race condition as sctp_iterator_worker() will have to\n\t * wait to re-aquire the lock.\n\t */\n\tif (sctp_it_ctl.iterator_running != 0 || sctp_it_ctl.cur_it != NULL) {\n\t\tSCTP_IPI_ITERATOR_WQ_UNLOCK();\n\t\tSCTP_PRINTF(\"%s: Iterator running while we held the lock. Retry. \"\n\t\t \"cur_it=%p\\n\", __func__, sctp_it_ctl.cur_it);\n\t\tDELAY(10);\n\t\tgoto retry;\n\t}\n#endif\n\tTAILQ_FOREACH_SAFE(it, &sctp_it_ctl.iteratorhead, sctp_nxt_itr, nit) {\n#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\n\t\tif (it->vn != curvnet) {\n\t\t\tcontinue;\n\t\t}\n#endif\n\t\tTAILQ_REMOVE(&sctp_it_ctl.iteratorhead, it, sctp_nxt_itr);\n\t\tif (it->function_atend != NULL) {\n\t\t\t(*it->function_atend) (it->pointer, it->val);\n\t\t}\n\t\tSCTP_FREE(it,SCTP_M_ITER);\n\t}\n\tSCTP_IPI_ITERATOR_WQ_UNLOCK();\n#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\n\tSCTP_ITERATOR_LOCK();\n\tif ((sctp_it_ctl.cur_it) &&\n\t (sctp_it_ctl.cur_it->vn == curvnet)) {\n\t\tsctp_it_ctl.iterator_flags |= SCTP_ITERATOR_STOP_CUR_IT;\n\t}\n\tSCTP_ITERATOR_UNLOCK();\n#endif\n#if !defined(__FreeBSD__)\n\tSCTP_IPI_ITERATOR_WQ_DESTROY();\n\tSCTP_ITERATOR_LOCK_DESTROY();\n#endif\n\tSCTP_OS_TIMER_STOP_DRAIN(&SCTP_BASE_INFO(addr_wq_timer.timer));\n\tSCTP_WQ_ADDR_LOCK();\n\tLIST_FOREACH_SAFE(wi, &SCTP_BASE_INFO(addr_wq), sctp_nxt_addr, nwi) {\n\t\tLIST_REMOVE(wi, sctp_nxt_addr);\n\t\tSCTP_DECR_LADDR_COUNT();\n\t\tif (wi->action == SCTP_DEL_IP_ADDRESS) {\n\t\t\tSCTP_FREE(wi->ifa, SCTP_M_IFA);\n\t\t}\n\t\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_laddr), wi);\n\t}\n\tSCTP_WQ_ADDR_UNLOCK();","\t/*\n\t * free the vrf/ifn/ifa lists and hashes (be sure address monitor\n\t * is destroyed first).\n\t */\n\tvrf_bucket = &SCTP_BASE_INFO(sctp_vrfhash)[(SCTP_DEFAULT_VRFID & SCTP_BASE_INFO(hashvrfmark))];\n\tLIST_FOREACH_SAFE(vrf, vrf_bucket, next_vrf, nvrf) {\n\t\tLIST_FOREACH_SAFE(ifn, &vrf->ifnlist, next_ifn, nifn) {\n\t\t\tLIST_FOREACH_SAFE(ifa, &ifn->ifalist, next_ifa, nifa) {\n\t\t\t\t/* free the ifa */\n\t\t\t\tLIST_REMOVE(ifa, next_bucket);\n\t\t\t\tLIST_REMOVE(ifa, next_ifa);\n\t\t\t\tSCTP_FREE(ifa, SCTP_M_IFA);\n\t\t\t}\n\t\t\t/* free the ifn */\n\t\t\tLIST_REMOVE(ifn, next_bucket);\n\t\t\tLIST_REMOVE(ifn, next_ifn);\n\t\t\tSCTP_FREE(ifn, SCTP_M_IFN);\n\t\t}\n\t\tSCTP_HASH_FREE(vrf->vrf_addr_hash, vrf->vrf_addr_hashmark);\n\t\t/* free the vrf */\n\t\tLIST_REMOVE(vrf, next_vrf);\n\t\tSCTP_FREE(vrf, SCTP_M_VRF);\n\t}\n\t/* free the vrf hashes */\n\tSCTP_HASH_FREE(SCTP_BASE_INFO(sctp_vrfhash), SCTP_BASE_INFO(hashvrfmark));\n\tSCTP_HASH_FREE(SCTP_BASE_INFO(vrf_ifn_hash), SCTP_BASE_INFO(vrf_ifn_hashmark));","\t/* free the TIMEWAIT list elements malloc'd in the function\n\t * sctp_add_vtag_to_timewait()...\n\t */\n\tfor (i = 0; i < SCTP_STACK_VTAG_HASH_SIZE; i++) {\n\t\tchain = &SCTP_BASE_INFO(vtag_timewait)[i];\n\t\tif (!LIST_EMPTY(chain)) {\n\t\t\tprev_twait_block = NULL;\n\t\t\tLIST_FOREACH(twait_block, chain, sctp_nxt_tagblock) {\n\t\t\t\tif (prev_twait_block) {\n\t\t\t\t\tSCTP_FREE(prev_twait_block, SCTP_M_TIMW);\n\t\t\t\t}\n\t\t\t\tprev_twait_block = twait_block;\n\t\t\t}\n\t\t\tSCTP_FREE(prev_twait_block, SCTP_M_TIMW);\n\t\t}\n\t}","\t/* free the locks and mutexes */\n#if defined(__APPLE__)\n\tSCTP_TIMERQ_LOCK_DESTROY();\n\tSCTP_TIMERWAIT_LOCK_DESTROY();\n#endif\n#ifdef SCTP_PACKET_LOGGING\n\tSCTP_IP_PKTLOG_DESTROY();\n#endif\n\tSCTP_IPI_ADDR_DESTROY();\n#if defined(__APPLE__)\n\tSCTP_IPI_COUNT_DESTROY();\n#endif\n\tSCTP_STATLOG_DESTROY();\n\tSCTP_INP_INFO_LOCK_DESTROY();","\tSCTP_WQ_ADDR_DESTROY();","#if defined(__APPLE__)\n#if defined(APPLE_LEOPARD) || defined(APPLE_SNOWLEOPARD) || defined(APPLE_LION) || defined(APPLE_MOUNTAINLION)\n\tlck_grp_attr_free(SCTP_BASE_INFO(sctbinfo).mtx_grp_attr);\n\tlck_grp_free(SCTP_BASE_INFO(sctbinfo).mtx_grp);\n\tlck_attr_free(SCTP_BASE_INFO(sctbinfo).mtx_attr);\n#else\n\tlck_grp_attr_free(SCTP_BASE_INFO(sctbinfo).ipi_lock_grp_attr);\n\tlck_grp_free(SCTP_BASE_INFO(sctbinfo).ipi_lock_grp);\n\tlck_attr_free(SCTP_BASE_INFO(sctbinfo).ipi_lock_attr);\n#endif\n#endif\n#if defined(__Userspace__)\n\tSCTP_TIMERQ_LOCK_DESTROY();\n\tSCTP_TIMERWAIT_LOCK_DESTROY();\n\tSCTP_ZONE_DESTROY(zone_mbuf);\n\tSCTP_ZONE_DESTROY(zone_clust);\n\tSCTP_ZONE_DESTROY(zone_ext_refcnt);\n#endif\n\t/* Get rid of other stuff too. */\n\tif (SCTP_BASE_INFO(sctp_asochash) != NULL)\n\t\tSCTP_HASH_FREE(SCTP_BASE_INFO(sctp_asochash), SCTP_BASE_INFO(hashasocmark));\n\tif (SCTP_BASE_INFO(sctp_ephash) != NULL)\n\t\tSCTP_HASH_FREE(SCTP_BASE_INFO(sctp_ephash), SCTP_BASE_INFO(hashmark));\n\tif (SCTP_BASE_INFO(sctp_tcpephash) != NULL)\n\t\tSCTP_HASH_FREE(SCTP_BASE_INFO(sctp_tcpephash), SCTP_BASE_INFO(hashtcpmark));","#if defined(__Windows__) || defined(__FreeBSD__) || defined(__Userspace__)\n\tSCTP_ZONE_DESTROY(SCTP_BASE_INFO(ipi_zone_ep));\n\tSCTP_ZONE_DESTROY(SCTP_BASE_INFO(ipi_zone_asoc));\n\tSCTP_ZONE_DESTROY(SCTP_BASE_INFO(ipi_zone_laddr));\n\tSCTP_ZONE_DESTROY(SCTP_BASE_INFO(ipi_zone_net));\n\tSCTP_ZONE_DESTROY(SCTP_BASE_INFO(ipi_zone_chunk));\n\tSCTP_ZONE_DESTROY(SCTP_BASE_INFO(ipi_zone_readq));\n\tSCTP_ZONE_DESTROY(SCTP_BASE_INFO(ipi_zone_strmoq));\n\tSCTP_ZONE_DESTROY(SCTP_BASE_INFO(ipi_zone_asconf));\n\tSCTP_ZONE_DESTROY(SCTP_BASE_INFO(ipi_zone_asconf_ack));\n#endif\n#if defined(__FreeBSD__) && defined(SMP) && defined(SCTP_USE_PERCPU_STAT)\n\tSCTP_FREE(SCTP_BASE_STATS, SCTP_M_MCORE);\n#endif\n}","\nint\nsctp_load_addresses_from_init(struct sctp_tcb *stcb, struct mbuf *m,\n int offset, int limit,\n struct sockaddr *src, struct sockaddr *dst,\n struct sockaddr *altsa, uint16_t port)\n{\n\t/*\n\t * grub through the INIT pulling addresses and loading them to the\n\t * nets structure in the asoc. The from address in the mbuf should\n\t * also be loaded (if it is not already). This routine can be called\n\t * with either INIT or INIT-ACK's as long as the m points to the IP\n\t * packet and the offset points to the beginning of the parameters.\n\t */\n\tstruct sctp_inpcb *inp;\n\tstruct sctp_nets *net, *nnet, *net_tmp;\n\tstruct sctp_paramhdr *phdr, param_buf;\n\tstruct sctp_tcb *stcb_tmp;\n\tuint16_t ptype, plen;\n\tstruct sockaddr *sa;\n\tuint8_t random_store[SCTP_PARAM_BUFFER_SIZE];\n\tstruct sctp_auth_random *p_random = NULL;\n\tuint16_t random_len = 0;\n\tuint8_t hmacs_store[SCTP_PARAM_BUFFER_SIZE];\n\tstruct sctp_auth_hmac_algo *hmacs = NULL;\n\tuint16_t hmacs_len = 0;\n\tuint8_t saw_asconf = 0;\n\tuint8_t saw_asconf_ack = 0;\n\tuint8_t chunks_store[SCTP_PARAM_BUFFER_SIZE];\n\tstruct sctp_auth_chunk_list *chunks = NULL;\n\tuint16_t num_chunks = 0;\n\tsctp_key_t *new_key;\n\tuint32_t keylen;\n\tint got_random = 0, got_hmacs = 0, got_chklist = 0;\n\tuint8_t peer_supports_ecn;\n\tuint8_t peer_supports_prsctp;\n\tuint8_t peer_supports_auth;\n\tuint8_t peer_supports_asconf;\n\tuint8_t peer_supports_asconf_ack;\n\tuint8_t peer_supports_reconfig;\n\tuint8_t peer_supports_nrsack;\n\tuint8_t peer_supports_pktdrop;\n\tuint8_t peer_supports_idata;\n#ifdef INET\n\tstruct sockaddr_in sin;\n#endif\n#ifdef INET6\n\tstruct sockaddr_in6 sin6;\n#endif","\t/* First get the destination address setup too. */\n#ifdef INET\n\tmemset(&sin, 0, sizeof(sin));\n\tsin.sin_family = AF_INET;\n#ifdef HAVE_SIN_LEN\n\tsin.sin_len = sizeof(sin);\n#endif\n\tsin.sin_port = stcb->rport;\n#endif\n#ifdef INET6\n\tmemset(&sin6, 0, sizeof(sin6));\n\tsin6.sin6_family = AF_INET6;\n#ifdef HAVE_SIN6_LEN\n\tsin6.sin6_len = sizeof(struct sockaddr_in6);\n#endif\n\tsin6.sin6_port = stcb->rport;\n#endif\n\tif (altsa) {\n\t\tsa = altsa;\n\t} else {\n\t\tsa = src;\n\t}\n\tpeer_supports_idata = 0;\n\tpeer_supports_ecn = 0;\n\tpeer_supports_prsctp = 0;\n\tpeer_supports_auth = 0;\n\tpeer_supports_asconf = 0;\n\tpeer_supports_reconfig = 0;\n\tpeer_supports_nrsack = 0;\n\tpeer_supports_pktdrop = 0;\n\tTAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {\n\t\t/* mark all addresses that we have currently on the list */\n\t\tnet->dest_state |= SCTP_ADDR_NOT_IN_ASSOC;\n\t}\n\t/* does the source address already exist? if so skip it */\n\tinp = stcb->sctp_ep;\n\tatomic_add_int(&stcb->asoc.refcnt, 1);\n\tstcb_tmp = sctp_findassociation_ep_addr(&inp, sa, &net_tmp, dst, stcb);\n\tatomic_add_int(&stcb->asoc.refcnt, -1);","\tif ((stcb_tmp == NULL && inp == stcb->sctp_ep) || inp == NULL) {\n\t\t/* we must add the source address */\n\t\t/* no scope set here since we have a tcb already. */\n\t\tswitch (sa->sa_family) {\n#ifdef INET\n\t\tcase AF_INET:\n\t\t\tif (stcb->asoc.scope.ipv4_addr_legal) {\n\t\t\t\tif (sctp_add_remote_addr(stcb, sa, NULL, port, SCTP_DONOT_SETSCOPE, SCTP_LOAD_ADDR_2)) {\n\t\t\t\t\treturn (-1);\n\t\t\t\t}\n\t\t\t}\n\t\t\tbreak;\n#endif\n#ifdef INET6\n\t\tcase AF_INET6:\n\t\t\tif (stcb->asoc.scope.ipv6_addr_legal) {\n\t\t\t\tif (sctp_add_remote_addr(stcb, sa, NULL, port, SCTP_DONOT_SETSCOPE, SCTP_LOAD_ADDR_3)) {\n\t\t\t\t\treturn (-2);\n\t\t\t\t}\n\t\t\t}\n\t\t\tbreak;\n#endif\n#if defined(__Userspace__)\n\t\tcase AF_CONN:\n\t\t\tif (stcb->asoc.scope.conn_addr_legal) {\n\t\t\t\tif (sctp_add_remote_addr(stcb, sa, NULL, port, SCTP_DONOT_SETSCOPE, SCTP_LOAD_ADDR_3)) {\n\t\t\t\t\treturn (-2);\n\t\t\t\t}\n\t\t\t}\n\t\t\tbreak;\n#endif\n\t\tdefault:\n\t\t\tbreak;\n\t\t}\n\t} else {\n\t\tif (net_tmp != NULL && stcb_tmp == stcb) {\n\t\t\tnet_tmp->dest_state &= ~SCTP_ADDR_NOT_IN_ASSOC;\n\t\t} else if (stcb_tmp != stcb) {\n\t\t\t/* It belongs to another association? */\n\t\t\tif (stcb_tmp)\n\t\t\t\tSCTP_TCB_UNLOCK(stcb_tmp);\n\t\t\treturn (-3);\n\t\t}\n\t}\n\tif (stcb->asoc.state == 0) {\n\t\t/* the assoc was freed? */\n\t\treturn (-4);\n\t}\n\t/* now we must go through each of the params. */\n\tphdr = sctp_get_next_param(m, offset, ¶m_buf, sizeof(param_buf));\n\twhile (phdr) {\n\t\tptype = ntohs(phdr->param_type);\n\t\tplen = ntohs(phdr->param_length);\n\t\t/*\n\t\t * SCTP_PRINTF(\"ptype => %0x, plen => %d\\n\", (uint32_t)ptype,\n\t\t * (int)plen);\n\t\t */\n\t\tif (offset + plen > limit) {\n\t\t\tbreak;\n\t\t}","\t\tif (plen == 0) {","\t\t\tbreak;\n\t\t}\n#ifdef INET\n\t\tif (ptype == SCTP_IPV4_ADDRESS) {\n\t\t\tif (stcb->asoc.scope.ipv4_addr_legal) {\n\t\t\t\tstruct sctp_ipv4addr_param *p4, p4_buf;","\t\t\t\t/* ok get the v4 address and check/add */\n\t\t\t\tphdr = sctp_get_next_param(m, offset,\n\t\t\t\t\t\t\t (struct sctp_paramhdr *)&p4_buf,\n\t\t\t\t\t\t\t sizeof(p4_buf));\n\t\t\t\tif (plen != sizeof(struct sctp_ipv4addr_param) ||\n\t\t\t\t phdr == NULL) {\n\t\t\t\t\treturn (-5);\n\t\t\t\t}\n\t\t\t\tp4 = (struct sctp_ipv4addr_param *)phdr;\n\t\t\t\tsin.sin_addr.s_addr = p4->addr;\n\t\t\t\tif (IN_MULTICAST(ntohl(sin.sin_addr.s_addr))) {\n\t\t\t\t\t/* Skip multi-cast addresses */\n\t\t\t\t\tgoto next_param;\n\t\t\t\t}\n\t\t\t\tif ((sin.sin_addr.s_addr == INADDR_BROADCAST) ||\n\t\t\t\t (sin.sin_addr.s_addr == INADDR_ANY)) {\n\t\t\t\t\tgoto next_param;\n\t\t\t\t}\n\t\t\t\tsa = (struct sockaddr *)&sin;\n\t\t\t\tinp = stcb->sctp_ep;\n\t\t\t\tatomic_add_int(&stcb->asoc.refcnt, 1);\n\t\t\t\tstcb_tmp = sctp_findassociation_ep_addr(&inp, sa, &net,\n\t\t\t\t\t\t\t\t\tdst, stcb);\n\t\t\t\tatomic_add_int(&stcb->asoc.refcnt, -1);","\t\t\t\tif ((stcb_tmp == NULL && inp == stcb->sctp_ep) ||\n\t\t\t\t inp == NULL) {\n\t\t\t\t\t/* we must add the source address */\n\t\t\t\t\t/*\n\t\t\t\t\t * no scope set since we have a tcb\n\t\t\t\t\t * already\n\t\t\t\t\t */","\t\t\t\t\t/*\n\t\t\t\t\t * we must validate the state again\n\t\t\t\t\t * here\n\t\t\t\t\t */\n\t\t\t\tadd_it_now:\n\t\t\t\t\tif (stcb->asoc.state == 0) {\n\t\t\t\t\t\t/* the assoc was freed? */\n\t\t\t\t\t\treturn (-7);\n\t\t\t\t\t}\n\t\t\t\t\tif (sctp_add_remote_addr(stcb, sa, NULL, port, SCTP_DONOT_SETSCOPE, SCTP_LOAD_ADDR_4)) {\n\t\t\t\t\t\treturn (-8);\n\t\t\t\t\t}\n\t\t\t\t} else if (stcb_tmp == stcb) {\n\t\t\t\t\tif (stcb->asoc.state == 0) {\n\t\t\t\t\t\t/* the assoc was freed? */\n\t\t\t\t\t\treturn (-10);\n\t\t\t\t\t}\n\t\t\t\t\tif (net != NULL) {\n\t\t\t\t\t\t/* clear flag */\n\t\t\t\t\t\tnet->dest_state &=\n\t\t\t\t\t\t\t~SCTP_ADDR_NOT_IN_ASSOC;\n\t\t\t\t\t}\n\t\t\t\t} else {\n\t\t\t\t\t/*\n\t\t\t\t\t * strange, address is in another\n\t\t\t\t\t * assoc? straighten out locks.\n\t\t\t\t\t */\n\t\t\t\t\tif (stcb_tmp) {\n\t\t\t\t\t\tif (SCTP_GET_STATE(stcb_tmp) == SCTP_STATE_COOKIE_WAIT) {\n\t\t\t\t\t\t\tstruct mbuf *op_err;\n\t\t\t\t\t\t\tchar msg[SCTP_DIAG_INFO_LEN];","\t\t\t\t\t\t\t/* in setup state we abort this guy */\n\t\t\t\t\t\t\tsnprintf(msg, sizeof(msg),\n\t\t\t\t\t\t\t \"%s:%d at %s\", __FILE__, __LINE__, __func__);\n\t\t\t\t\t\t\top_err = sctp_generate_cause(SCTP_BASE_SYSCTL(sctp_diag_info_code),\n\t\t\t\t\t\t\t msg);\n\t\t\t\t\t\t\tsctp_abort_an_association(stcb_tmp->sctp_ep,\n\t\t\t\t\t\t\t\t\t\t stcb_tmp, op_err,\n\t\t\t\t\t\t\t SCTP_SO_NOT_LOCKED);\n\t\t\t\t\t\t\tgoto add_it_now;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tSCTP_TCB_UNLOCK(stcb_tmp);\n\t\t\t\t\t}","\t\t\t\t\tif (stcb->asoc.state == 0) {\n\t\t\t\t\t\t/* the assoc was freed? */\n\t\t\t\t\t\treturn (-12);\n\t\t\t\t\t}\n\t\t\t\t\treturn (-13);\n\t\t\t\t}\n\t\t\t}\n\t\t} else\n#endif\n#ifdef INET6\n\t\tif (ptype == SCTP_IPV6_ADDRESS) {\n\t\t\tif (stcb->asoc.scope.ipv6_addr_legal) {\n\t\t\t\t/* ok get the v6 address and check/add */\n\t\t\t\tstruct sctp_ipv6addr_param *p6, p6_buf;","\t\t\t\tphdr = sctp_get_next_param(m, offset,\n\t\t\t\t\t\t\t (struct sctp_paramhdr *)&p6_buf,\n\t\t\t\t\t\t\t sizeof(p6_buf));\n\t\t\t\tif (plen != sizeof(struct sctp_ipv6addr_param) ||\n\t\t\t\t phdr == NULL) {\n\t\t\t\t\treturn (-14);\n\t\t\t\t}\n\t\t\t\tp6 = (struct sctp_ipv6addr_param *)phdr;\n\t\t\t\tmemcpy((caddr_t)&sin6.sin6_addr, p6->addr,\n\t\t\t\t sizeof(p6->addr));\n\t\t\t\tif (IN6_IS_ADDR_MULTICAST(&sin6.sin6_addr)) {\n\t\t\t\t\t/* Skip multi-cast addresses */\n\t\t\t\t\tgoto next_param;\n\t\t\t\t}\n\t\t\t\tif (IN6_IS_ADDR_LINKLOCAL(&sin6.sin6_addr)) {\n\t\t\t\t\t/* Link local make no sense without scope */\n\t\t\t\t\tgoto next_param;\n\t\t\t\t}\n\t\t\t\tsa = (struct sockaddr *)&sin6;\n\t\t\t\tinp = stcb->sctp_ep;\n\t\t\t\tatomic_add_int(&stcb->asoc.refcnt, 1);\n\t\t\t\tstcb_tmp = sctp_findassociation_ep_addr(&inp, sa, &net,\n\t\t\t\t\t\t\t\t\tdst, stcb);\n\t\t\t\tatomic_add_int(&stcb->asoc.refcnt, -1);\n\t\t\t\tif (stcb_tmp == NULL &&\n\t\t\t\t (inp == stcb->sctp_ep || inp == NULL)) {\n\t\t\t\t\t/*\n\t\t\t\t\t * we must validate the state again\n\t\t\t\t\t * here\n\t\t\t\t\t */\n\t\t\t\tadd_it_now6:\n\t\t\t\t\tif (stcb->asoc.state == 0) {\n\t\t\t\t\t\t/* the assoc was freed? */\n\t\t\t\t\t\treturn (-16);\n\t\t\t\t\t}\n\t\t\t\t\t/*\n\t\t\t\t\t * we must add the address, no scope\n\t\t\t\t\t * set\n\t\t\t\t\t */\n\t\t\t\t\tif (sctp_add_remote_addr(stcb, sa, NULL, port, SCTP_DONOT_SETSCOPE, SCTP_LOAD_ADDR_5)) {\n\t\t\t\t\t\treturn (-17);\n\t\t\t\t\t}\n\t\t\t\t} else if (stcb_tmp == stcb) {\n\t\t\t\t\t/*\n\t\t\t\t\t * we must validate the state again\n\t\t\t\t\t * here\n\t\t\t\t\t */\n\t\t\t\t\tif (stcb->asoc.state == 0) {\n\t\t\t\t\t\t/* the assoc was freed? */\n\t\t\t\t\t\treturn (-19);\n\t\t\t\t\t}\n\t\t\t\t\tif (net != NULL) {\n\t\t\t\t\t\t/* clear flag */\n\t\t\t\t\t\tnet->dest_state &=\n\t\t\t\t\t\t\t~SCTP_ADDR_NOT_IN_ASSOC;\n\t\t\t\t\t}\n\t\t\t\t} else {\n\t\t\t\t\t/*\n\t\t\t\t\t * strange, address is in another\n\t\t\t\t\t * assoc? straighten out locks.\n\t\t\t\t\t */\n\t\t\t\t\tif (stcb_tmp) {\n\t\t\t\t\t\tif (SCTP_GET_STATE(stcb_tmp) == SCTP_STATE_COOKIE_WAIT) {\n\t\t\t\t\t\t\tstruct mbuf *op_err;\n\t\t\t\t\t\t\tchar msg[SCTP_DIAG_INFO_LEN];","\t\t\t\t\t\t\t/* in setup state we abort this guy */\n\t\t\t\t\t\t\tsnprintf(msg, sizeof(msg),\n\t\t\t\t\t\t\t \"%s:%d at %s\", __FILE__, __LINE__, __func__);\n\t\t\t\t\t\t\top_err = sctp_generate_cause(SCTP_BASE_SYSCTL(sctp_diag_info_code),\n\t\t\t\t\t\t\t msg);\n\t\t\t\t\t\t\tsctp_abort_an_association(stcb_tmp->sctp_ep,\n\t\t\t\t\t\t\t\t\t\t stcb_tmp, op_err,\n\t\t\t\t\t\t\t SCTP_SO_NOT_LOCKED);\n\t\t\t\t\t\t\tgoto add_it_now6;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tSCTP_TCB_UNLOCK(stcb_tmp);\n\t\t\t\t\t}\n\t\t\t\t\tif (stcb->asoc.state == 0) {\n\t\t\t\t\t\t/* the assoc was freed? */\n\t\t\t\t\t\treturn (-21);\n\t\t\t\t\t}\n\t\t\t\t\treturn (-22);\n\t\t\t\t}\n\t\t\t}\n\t\t} else\n#endif\n\t\tif (ptype == SCTP_ECN_CAPABLE) {\n\t\t\tpeer_supports_ecn = 1;\n\t\t} else if (ptype == SCTP_ULP_ADAPTATION) {\n\t\t\tif (stcb->asoc.state != SCTP_STATE_OPEN) {\n\t\t\t\tstruct sctp_adaptation_layer_indication ai, *aip;","\t\t\t\tphdr = sctp_get_next_param(m, offset,\n\t\t\t\t\t\t\t (struct sctp_paramhdr *)&ai, sizeof(ai));\n\t\t\t\taip = (struct sctp_adaptation_layer_indication *)phdr;\n\t\t\t\tif (aip) {\n\t\t\t\t\tstcb->asoc.peers_adaptation = ntohl(aip->indication);\n\t\t\t\t\tstcb->asoc.adaptation_needed = 1;\n\t\t\t\t}\n\t\t\t}\n\t\t} else if (ptype == SCTP_SET_PRIM_ADDR) {\n\t\t\tstruct sctp_asconf_addr_param lstore, *fee;\n\t\t\tint lptype;\n\t\t\tstruct sockaddr *lsa = NULL;\n#ifdef INET\n\t\t\tstruct sctp_asconf_addrv4_param *fii;\n#endif","\t\t\tif (stcb->asoc.asconf_supported == 0) {\n\t\t\t\treturn (-100);\n\t\t\t}\n\t\t\tif (plen > sizeof(lstore)) {\n\t\t\t\treturn (-23);\n\t\t\t}","","\t\t\tphdr = sctp_get_next_param(m, offset,\n\t\t\t\t\t\t (struct sctp_paramhdr *)&lstore,\n\t\t\t\t\t\t plen);\n\t\t\tif (phdr == NULL) {\n\t\t\t\treturn (-24);\n\t\t\t}\n\t\t\tfee = (struct sctp_asconf_addr_param *)phdr;\n\t\t\tlptype = ntohs(fee->addrp.ph.param_type);\n\t\t\tswitch (lptype) {\n#ifdef INET\n\t\t\tcase SCTP_IPV4_ADDRESS:\n\t\t\t\tif (plen !=\n\t\t\t\t sizeof(struct sctp_asconf_addrv4_param)) {\n\t\t\t\t\tSCTP_PRINTF(\"Sizeof setprim in init/init ack not %d but %d - ignored\\n\",\n\t\t\t\t\t\t (int)sizeof(struct sctp_asconf_addrv4_param),\n\t\t\t\t\t\t plen);\n\t\t\t\t} else {\n\t\t\t\t\tfii = (struct sctp_asconf_addrv4_param *)fee;\n\t\t\t\t\tsin.sin_addr.s_addr = fii->addrp.addr;\n\t\t\t\t\tlsa = (struct sockaddr *)&sin;\n\t\t\t\t}\n\t\t\t\tbreak;\n#endif\n#ifdef INET6\n\t\t\tcase SCTP_IPV6_ADDRESS:\n\t\t\t\tif (plen !=\n\t\t\t\t sizeof(struct sctp_asconf_addr_param)) {\n\t\t\t\t\tSCTP_PRINTF(\"Sizeof setprim (v6) in init/init ack not %d but %d - ignored\\n\",\n\t\t\t\t\t\t (int)sizeof(struct sctp_asconf_addr_param),\n\t\t\t\t\t\t plen);\n\t\t\t\t} else {\n\t\t\t\t\tmemcpy(sin6.sin6_addr.s6_addr,\n\t\t\t\t\t fee->addrp.addr,\n\t\t\t\t\t sizeof(fee->addrp.addr));\n\t\t\t\t\tlsa = (struct sockaddr *)&sin6;\n\t\t\t\t}\n\t\t\t\tbreak;\n#endif\n\t\t\tdefault:\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\tif (lsa) {\n\t\t\t\t(void)sctp_set_primary_addr(stcb, sa, NULL);\n\t\t\t}\n\t\t} else if (ptype == SCTP_HAS_NAT_SUPPORT) {\n\t\t\tstcb->asoc.peer_supports_nat = 1;\n\t\t} else if (ptype == SCTP_PRSCTP_SUPPORTED) {\n\t\t\t/* Peer supports pr-sctp */\n\t\t\tpeer_supports_prsctp = 1;\n\t\t} else if (ptype == SCTP_SUPPORTED_CHUNK_EXT) {\n\t\t\t/* A supported extension chunk */\n\t\t\tstruct sctp_supported_chunk_types_param *pr_supported;\n\t\t\tuint8_t local_store[SCTP_PARAM_BUFFER_SIZE];\n\t\t\tint num_ent, i;","\t\t\tif (plen > sizeof(local_store)) {\n\t\t\t\treturn (-35);\n\t\t\t}\n\t\t\tphdr = sctp_get_next_param(m, offset,\n\t\t\t\t\t\t (struct sctp_paramhdr *)&local_store, plen);\n\t\t\tif (phdr == NULL) {\n\t\t\t\treturn (-25);\n\t\t\t}\n\t\t\tpr_supported = (struct sctp_supported_chunk_types_param *)phdr;\n\t\t\tnum_ent = plen - sizeof(struct sctp_paramhdr);\n\t\t\tfor (i = 0; i < num_ent; i++) {\n\t\t\t\tswitch (pr_supported->chunk_types[i]) {\n\t\t\t\tcase SCTP_ASCONF:\n\t\t\t\t\tpeer_supports_asconf = 1;\n\t\t\t\t\tbreak;\n\t\t\t\tcase SCTP_ASCONF_ACK:\n\t\t\t\t\tpeer_supports_asconf_ack = 1;\n\t\t\t\t\tbreak;\n\t\t\t\tcase SCTP_FORWARD_CUM_TSN:\n\t\t\t\t\tpeer_supports_prsctp = 1;\n\t\t\t\t\tbreak;\n\t\t\t\tcase SCTP_PACKET_DROPPED:\n\t\t\t\t\tpeer_supports_pktdrop = 1;\n\t\t\t\t\tbreak;\n\t\t\t\tcase SCTP_NR_SELECTIVE_ACK:\n\t\t\t\t\tpeer_supports_nrsack = 1;\n\t\t\t\t\tbreak;\n\t\t\t\tcase SCTP_STREAM_RESET:\n\t\t\t\t\tpeer_supports_reconfig = 1;\n\t\t\t\t\tbreak;\n\t\t\t\tcase SCTP_AUTHENTICATION:\n\t\t\t\t\tpeer_supports_auth = 1;\n\t\t\t\t\tbreak;\n\t\t\t\tcase SCTP_IDATA:\n\t\t\t\t\tpeer_supports_idata = 1;\n\t\t\t\t\tbreak;\n\t\t\t\tdefault:\n\t\t\t\t\t/* one I have not learned yet */\n\t\t\t\t\tbreak;","\t\t\t\t}\n\t\t\t}\n\t\t} else if (ptype == SCTP_RANDOM) {\n\t\t\tif (plen > sizeof(random_store))\n\t\t\t\tbreak;\n\t\t\tif (got_random) {\n\t\t\t\t/* already processed a RANDOM */\n\t\t\t\tgoto next_param;\n\t\t\t}\n\t\t\tphdr = sctp_get_next_param(m, offset,\n\t\t\t\t\t\t (struct sctp_paramhdr *)random_store,\n\t\t\t\t\t\t plen);\n\t\t\tif (phdr == NULL)\n\t\t\t\treturn (-26);\n\t\t\tp_random = (struct sctp_auth_random *)phdr;\n\t\t\trandom_len = plen - sizeof(*p_random);\n\t\t\t/* enforce the random length */\n\t\t\tif (random_len != SCTP_AUTH_RANDOM_SIZE_REQUIRED) {\n\t\t\t\tSCTPDBG(SCTP_DEBUG_AUTH1, \"SCTP: invalid RANDOM len\\n\");\n\t\t\t\treturn (-27);\n\t\t\t}\n\t\t\tgot_random = 1;\n\t\t} else if (ptype == SCTP_HMAC_LIST) {\n\t\t\tuint16_t num_hmacs;\n\t\t\tuint16_t i;","\t\t\tif (plen > sizeof(hmacs_store))\n\t\t\t\tbreak;\n\t\t\tif (got_hmacs) {\n\t\t\t\t/* already processed a HMAC list */\n\t\t\t\tgoto next_param;\n\t\t\t}\n\t\t\tphdr = sctp_get_next_param(m, offset,\n\t\t\t\t\t\t (struct sctp_paramhdr *)hmacs_store,\n\t\t\t\t\t\t plen);\n\t\t\tif (phdr == NULL)\n\t\t\t\treturn (-28);\n\t\t\thmacs = (struct sctp_auth_hmac_algo *)phdr;\n\t\t\thmacs_len = plen - sizeof(*hmacs);\n\t\t\tnum_hmacs = hmacs_len / sizeof(hmacs->hmac_ids[0]);\n\t\t\t/* validate the hmac list */\n\t\t\tif (sctp_verify_hmac_param(hmacs, num_hmacs)) {\n\t\t\t\treturn (-29);\n\t\t\t}\n\t\t\tif (stcb->asoc.peer_hmacs != NULL)\n\t\t\t\tsctp_free_hmaclist(stcb->asoc.peer_hmacs);\n\t\t\tstcb->asoc.peer_hmacs = sctp_alloc_hmaclist(num_hmacs);\n\t\t\tif (stcb->asoc.peer_hmacs != NULL) {\n\t\t\t\tfor (i = 0; i < num_hmacs; i++) {\n\t\t\t\t\t(void)sctp_auth_add_hmacid(stcb->asoc.peer_hmacs,\n\t\t\t\t\t\t\t\t ntohs(hmacs->hmac_ids[i]));\n\t\t\t\t}\n\t\t\t}\n\t\t\tgot_hmacs = 1;\n\t\t} else if (ptype == SCTP_CHUNK_LIST) {\n\t\t\tint i;","\t\t\tif (plen > sizeof(chunks_store))\n\t\t\t\tbreak;\n\t\t\tif (got_chklist) {\n\t\t\t\t/* already processed a Chunks list */\n\t\t\t\tgoto next_param;\n\t\t\t}\n\t\t\tphdr = sctp_get_next_param(m, offset,\n\t\t\t\t\t\t (struct sctp_paramhdr *)chunks_store,\n\t\t\t\t\t\t plen);\n\t\t\tif (phdr == NULL)\n\t\t\t\treturn (-30);\n\t\t\tchunks = (struct sctp_auth_chunk_list *)phdr;\n\t\t\tnum_chunks = plen - sizeof(*chunks);\n\t\t\tif (stcb->asoc.peer_auth_chunks != NULL)\n\t\t\t\tsctp_clear_chunklist(stcb->asoc.peer_auth_chunks);\n\t\t\telse\n\t\t\t\tstcb->asoc.peer_auth_chunks = sctp_alloc_chunklist();\n\t\t\tfor (i = 0; i < num_chunks; i++) {\n\t\t\t\t(void)sctp_auth_add_chunk(chunks->chunk_types[i],\n\t\t\t\t\t\t\t stcb->asoc.peer_auth_chunks);\n\t\t\t\t/* record asconf/asconf-ack if listed */\n\t\t\t\tif (chunks->chunk_types[i] == SCTP_ASCONF)\n\t\t\t\t\tsaw_asconf = 1;\n\t\t\t\tif (chunks->chunk_types[i] == SCTP_ASCONF_ACK)\n\t\t\t\t\tsaw_asconf_ack = 1;","\t\t\t}\n\t\t\tgot_chklist = 1;\n\t\t} else if ((ptype == SCTP_HEARTBEAT_INFO) ||\n\t\t\t (ptype == SCTP_STATE_COOKIE) ||\n\t\t\t (ptype == SCTP_UNRECOG_PARAM) ||\n\t\t\t (ptype == SCTP_COOKIE_PRESERVE) ||\n\t\t\t (ptype == SCTP_SUPPORTED_ADDRTYPE) ||\n\t\t\t (ptype == SCTP_ADD_IP_ADDRESS) ||\n\t\t\t (ptype == SCTP_DEL_IP_ADDRESS) ||\n\t\t\t (ptype == SCTP_ERROR_CAUSE_IND) ||\n\t\t\t (ptype == SCTP_SUCCESS_REPORT)) {\n\t\t\t/* don't care */ ;\n\t\t} else {\n\t\t\tif ((ptype & 0x8000) == 0x0000) {\n\t\t\t\t/*\n\t\t\t\t * must stop processing the rest of the\n\t\t\t\t * param's. Any report bits were handled\n\t\t\t\t * with the call to\n\t\t\t\t * sctp_arethere_unrecognized_parameters()\n\t\t\t\t * when the INIT or INIT-ACK was first seen.\n\t\t\t\t */\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}","\tnext_param:\n\t\toffset += SCTP_SIZE32(plen);\n\t\tif (offset >= limit) {\n\t\t\tbreak;\n\t\t}\n\t\tphdr = sctp_get_next_param(m, offset, ¶m_buf,\n\t\t\t\t\t sizeof(param_buf));\n\t}\n\t/* Now check to see if we need to purge any addresses */\n\tTAILQ_FOREACH_SAFE(net, &stcb->asoc.nets, sctp_next, nnet) {\n\t\tif ((net->dest_state & SCTP_ADDR_NOT_IN_ASSOC) ==\n\t\t SCTP_ADDR_NOT_IN_ASSOC) {\n\t\t\t/* This address has been removed from the asoc */\n\t\t\t/* remove and free it */\n\t\t\tstcb->asoc.numnets--;\n\t\t\tTAILQ_REMOVE(&stcb->asoc.nets, net, sctp_next);\n\t\t\tsctp_free_remote_addr(net);\n\t\t\tif (net == stcb->asoc.primary_destination) {\n\t\t\t\tstcb->asoc.primary_destination = NULL;\n\t\t\t\tsctp_select_primary_destination(stcb);\n\t\t\t}\n\t\t}\n\t}\n\tif ((stcb->asoc.ecn_supported == 1) &&\n\t (peer_supports_ecn == 0)) {\n\t\tstcb->asoc.ecn_supported = 0;\n\t}\n\tif ((stcb->asoc.prsctp_supported == 1) &&\n\t (peer_supports_prsctp == 0)) {\n\t\tstcb->asoc.prsctp_supported = 0;\n\t}\n\tif ((stcb->asoc.auth_supported == 1) &&\n\t ((peer_supports_auth == 0) ||\n\t (got_random == 0) || (got_hmacs == 0))) {\n\t\tstcb->asoc.auth_supported = 0;\n\t}\n\tif ((stcb->asoc.asconf_supported == 1) &&\n\t ((peer_supports_asconf == 0) || (peer_supports_asconf_ack == 0) ||\n\t (stcb->asoc.auth_supported == 0) ||\n\t (saw_asconf == 0) || (saw_asconf_ack == 0))) {\n\t\tstcb->asoc.asconf_supported = 0;\n\t}\n\tif ((stcb->asoc.reconfig_supported == 1) &&\n\t (peer_supports_reconfig == 0)) {\n\t\tstcb->asoc.reconfig_supported = 0;\n\t}\n\tif ((stcb->asoc.idata_supported == 1) &&\n\t (peer_supports_idata == 0)) {\n\t\tstcb->asoc.idata_supported = 0;\n\t}\n\tif ((stcb->asoc.nrsack_supported == 1) &&\n\t (peer_supports_nrsack == 0)) {\n\t\tstcb->asoc.nrsack_supported = 0;\n\t}\n\tif ((stcb->asoc.pktdrop_supported == 1) &&\n\t (peer_supports_pktdrop == 0)){\n\t\tstcb->asoc.pktdrop_supported = 0;\n\t}\n\t/* validate authentication required parameters */\n\tif ((peer_supports_auth == 0) && (got_chklist == 1)) {\n\t\t/* peer does not support auth but sent a chunks list? */\n\t\treturn (-31);\n\t}\n\tif ((peer_supports_asconf == 1) && (peer_supports_auth == 0)) {\n\t\t/* peer supports asconf but not auth? */\n\t\treturn (-32);\n\t} else if ((peer_supports_asconf == 1) &&\n\t (peer_supports_auth == 1) &&\n\t\t ((saw_asconf == 0) || (saw_asconf_ack == 0))) {\n\t\treturn (-33);\n\t}\n\t/* concatenate the full random key */\n\tkeylen = sizeof(*p_random) + random_len + sizeof(*hmacs) + hmacs_len;\n\tif (chunks != NULL) {\n\t\tkeylen += sizeof(*chunks) + num_chunks;\n\t}\n\tnew_key = sctp_alloc_key(keylen);\n\tif (new_key != NULL) {\n\t\t/* copy in the RANDOM */\n\t\tif (p_random != NULL) {\n\t\t\tkeylen = sizeof(*p_random) + random_len;\n\t\t\tmemcpy(new_key->key, p_random, keylen);\n\t\t} else {\n\t\t\tkeylen = 0;\n\t\t}\n\t\t/* append in the AUTH chunks */\n\t\tif (chunks != NULL) {\n\t\t\tmemcpy(new_key->key + keylen, chunks,\n\t\t\t sizeof(*chunks) + num_chunks);\n\t\t\tkeylen += sizeof(*chunks) + num_chunks;\n\t\t}\n\t\t/* append in the HMACs */\n\t\tif (hmacs != NULL) {\n\t\t\tmemcpy(new_key->key + keylen, hmacs,\n\t\t\t sizeof(*hmacs) + hmacs_len);\n\t\t}\n\t} else {\n\t\t/* failed to get memory for the key */\n\t\treturn (-34);\n\t}\n\tif (stcb->asoc.authinfo.peer_random != NULL)\n\t\tsctp_free_key(stcb->asoc.authinfo.peer_random);\n\tstcb->asoc.authinfo.peer_random = new_key;\n\tsctp_clear_cachedkeys(stcb, stcb->asoc.authinfo.assoc_keyid);\n\tsctp_clear_cachedkeys(stcb, stcb->asoc.authinfo.recv_keyid);","\treturn (0);\n}","int\nsctp_set_primary_addr(struct sctp_tcb *stcb, struct sockaddr *sa,\n\t\t struct sctp_nets *net)\n{\n\t/* make sure the requested primary address exists in the assoc */\n\tif (net == NULL && sa)\n\t\tnet = sctp_findnet(stcb, sa);","\tif (net == NULL) {\n\t\t/* didn't find the requested primary address! */\n\t\treturn (-1);\n\t} else {\n\t\t/* set the primary address */\n\t\tif (net->dest_state & SCTP_ADDR_UNCONFIRMED) {\n\t\t\t/* Must be confirmed, so queue to set */\n\t\t\tnet->dest_state |= SCTP_ADDR_REQ_PRIMARY;\n\t\t\treturn (0);\n\t\t}\n\t\tstcb->asoc.primary_destination = net;\n\t\tif (!(net->dest_state & SCTP_ADDR_PF) && (stcb->asoc.alternate)) {\n\t\t\tsctp_free_remote_addr(stcb->asoc.alternate);\n\t\t\tstcb->asoc.alternate = NULL;\n\t\t}\n\t\tnet = TAILQ_FIRST(&stcb->asoc.nets);\n\t\tif (net != stcb->asoc.primary_destination) {\n\t\t\t/* first one on the list is NOT the primary\n\t\t\t * sctp_cmpaddr() is much more efficient if\n\t\t\t * the primary is the first on the list, make it\n\t\t\t * so.\n\t\t\t */\n\t\t\tTAILQ_REMOVE(&stcb->asoc.nets, stcb->asoc.primary_destination, sctp_next);\n\t\t\tTAILQ_INSERT_HEAD(&stcb->asoc.nets, stcb->asoc.primary_destination, sctp_next);\n\t\t}\n\t\treturn (0);\n\t}\n}","int\nsctp_is_vtag_good(uint32_t tag, uint16_t lport, uint16_t rport, struct timeval *now)\n{\n\t/*\n\t * This function serves two purposes. It will see if a TAG can be\n\t * re-used and return 1 for yes it is ok and 0 for don't use that\n\t * tag. A secondary function it will do is purge out old tags that\n\t * can be removed.\n\t */\n\tstruct sctpvtaghead *chain;\n\tstruct sctp_tagblock *twait_block;\n\tstruct sctpasochead *head;\n\tstruct sctp_tcb *stcb;\n\tint i;","\tSCTP_INP_INFO_RLOCK();\n\thead = &SCTP_BASE_INFO(sctp_asochash)[SCTP_PCBHASH_ASOC(tag,\n\t\t\t\t\t\t\t\tSCTP_BASE_INFO(hashasocmark))];\n\tLIST_FOREACH(stcb, head, sctp_asocs) {\n\t\t/* We choose not to lock anything here. TCB's can't be\n\t\t * removed since we have the read lock, so they can't\n\t\t * be freed on us, same thing for the INP. I may\n\t\t * be wrong with this assumption, but we will go\n\t\t * with it for now :-)\n\t\t */\n\t\tif (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {\n\t\t\tcontinue;\n\t\t}\n\t\tif (stcb->asoc.my_vtag == tag) {\n\t\t\t/* candidate */\n\t\t\tif (stcb->rport != rport) {\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tif (stcb->sctp_ep->sctp_lport != lport) {\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\t/* Its a used tag set */\n\t\t\tSCTP_INP_INFO_RUNLOCK();\n\t\t\treturn (0);\n\t\t}\n\t}\n\tchain = &SCTP_BASE_INFO(vtag_timewait)[(tag % SCTP_STACK_VTAG_HASH_SIZE)];\n\t/* Now what about timed wait ? */\n\tLIST_FOREACH(twait_block, chain, sctp_nxt_tagblock) {\n\t\t/*\n\t\t * Block(s) are present, lets see if we have this tag in the\n\t\t * list\n\t\t */\n\t\tfor (i = 0; i < SCTP_NUMBER_IN_VTAG_BLOCK; i++) {\n\t\t\tif (twait_block->vtag_block[i].v_tag == 0) {\n\t\t\t\t/* not used */\n\t\t\t\tcontinue;\n\t\t\t} else if ((long)twait_block->vtag_block[i].tv_sec_at_expire <\n\t\t\t\t now->tv_sec) {\n\t\t\t\t/* Audit expires this guy */\n\t\t\t\ttwait_block->vtag_block[i].tv_sec_at_expire = 0;\n\t\t\t\ttwait_block->vtag_block[i].v_tag = 0;\n\t\t\t\ttwait_block->vtag_block[i].lport = 0;\n\t\t\t\ttwait_block->vtag_block[i].rport = 0;\n\t\t\t} else if ((twait_block->vtag_block[i].v_tag == tag) &&\n\t\t\t\t (twait_block->vtag_block[i].lport == lport) &&\n\t\t\t\t (twait_block->vtag_block[i].rport == rport)) {\n\t\t\t\t/* Bad tag, sorry :< */\n\t\t\t\tSCTP_INP_INFO_RUNLOCK();\n\t\t\t\treturn (0);\n\t\t\t}\n\t\t}\n\t}\n\tSCTP_INP_INFO_RUNLOCK();\n\treturn (1);\n}","static void\nsctp_drain_mbufs(struct sctp_tcb *stcb)\n{\n\t/*\n\t * We must hunt this association for MBUF's past the cumack (i.e.\n\t * out of order data that we can renege on).\n\t */\n\tstruct sctp_association *asoc;\n\tstruct sctp_tmit_chunk *chk, *nchk;\n\tuint32_t cumulative_tsn_p1;\n\tstruct sctp_queued_to_read *control, *ncontrol;\n\tint cnt, strmat;\n\tuint32_t gap, i;\n\tint fnd = 0;","\t/* We look for anything larger than the cum-ack + 1 */","\tasoc = &stcb->asoc;\n\tif (asoc->cumulative_tsn == asoc->highest_tsn_inside_map) {\n\t\t/* none we can reneg on. */\n\t\treturn;\n\t}\n\tSCTP_STAT_INCR(sctps_protocol_drains_done);\n\tcumulative_tsn_p1 = asoc->cumulative_tsn + 1;\n\tcnt = 0;\n\t/* Ok that was fun, now we will drain all the inbound streams? */\n\tfor (strmat = 0; strmat < asoc->streamincnt; strmat++) {\n\t\tTAILQ_FOREACH_SAFE(control, &asoc->strmin[strmat].inqueue, next_instrm, ncontrol) {\n#ifdef INVARIANTS\n\t\t\tif (control->on_strm_q != SCTP_ON_ORDERED ) {\n\t\t\t\tpanic(\"Huh control: %p on_q: %d -- not ordered?\",\n\t\t\t\t control, control->on_strm_q);\n\t\t\t}\n#endif\n\t\t\tif (SCTP_TSN_GT(control->sinfo_tsn, cumulative_tsn_p1)) {\n\t\t\t\t/* Yep it is above cum-ack */\n\t\t\t\tcnt++;\n\t\t\t\tSCTP_CALC_TSN_TO_GAP(gap, control->sinfo_tsn, asoc->mapping_array_base_tsn);\n\t\t\t\tKASSERT(control->length > 0, (\"control has zero length\"));\n\t\t\t\tif (asoc->size_on_all_streams >= control->length) {\n\t\t\t\t\tasoc->size_on_all_streams -= control->length;\n\t\t\t\t} else {\n#ifdef INVARIANTS\n\t\t\t\t\tpanic(\"size_on_all_streams = %u smaller than control length %u\", asoc->size_on_all_streams, control->length);\n#else\n\t\t\t\t\tasoc->size_on_all_streams = 0;\n#endif\n\t\t\t\t}\n\t\t\t\tsctp_ucount_decr(asoc->cnt_on_all_streams);\n\t\t\t\tSCTP_UNSET_TSN_PRESENT(asoc->mapping_array, gap);\n\t\t\t\tif (control->on_read_q) {\n\t\t\t\t\tTAILQ_REMOVE(&stcb->sctp_ep->read_queue, control, next);\n\t\t\t\t\tcontrol->on_read_q = 0;\n\t\t\t\t}\n\t\t\t\tTAILQ_REMOVE(&asoc->strmin[strmat].inqueue, control, next_instrm);\n\t\t\t\tcontrol->on_strm_q = 0;\n\t\t\t\tif (control->data) {\n\t\t\t\t\tsctp_m_freem(control->data);\n\t\t\t\t\tcontrol->data = NULL;\n\t\t\t\t}\n\t\t\t\tsctp_free_remote_addr(control->whoFrom);\n\t\t\t\t/* Now its reasm? */\n\t\t\t\tTAILQ_FOREACH_SAFE(chk, &control->reasm, sctp_next, nchk) {\n\t\t\t\t\tcnt++;\n\t\t\t\t\tSCTP_CALC_TSN_TO_GAP(gap, chk->rec.data.tsn, asoc->mapping_array_base_tsn);\n\t\t\t\t\tKASSERT(chk->send_size > 0, (\"chunk has zero length\"));\n\t\t\t\t\tif (asoc->size_on_reasm_queue >= chk->send_size) {\n\t\t\t\t\t\tasoc->size_on_reasm_queue -= chk->send_size;\n\t\t\t\t\t} else {\n#ifdef INVARIANTS\n\t\t\t\t\t\tpanic(\"size_on_reasm_queue = %u smaller than chunk length %u\", asoc->size_on_reasm_queue, chk->send_size);\n#else\n\t\t\t\t\t\tasoc->size_on_reasm_queue = 0;\n#endif\n\t\t\t\t\t}\n\t\t\t\t\tsctp_ucount_decr(asoc->cnt_on_reasm_queue);\n\t\t\t\t\tSCTP_UNSET_TSN_PRESENT(asoc->mapping_array, gap);\n\t\t\t\t\tTAILQ_REMOVE(&control->reasm, chk, sctp_next);\n\t\t\t\t\tif (chk->data) {\n\t\t\t\t\t\tsctp_m_freem(chk->data);\n\t\t\t\t\t\tchk->data = NULL;\n\t\t\t\t\t}\n\t\t\t\t\tsctp_free_a_chunk(stcb, chk, SCTP_SO_NOT_LOCKED);\n\t\t\t\t}\n\t\t\t\tsctp_free_a_readq(stcb, control);\n\t\t\t}\n\t\t}\n\t\tTAILQ_FOREACH_SAFE(control, &asoc->strmin[strmat].uno_inqueue, next_instrm, ncontrol) {\n#ifdef INVARIANTS\n\t\t\tif (control->on_strm_q != SCTP_ON_UNORDERED ) {\n\t\t\t\tpanic(\"Huh control: %p on_q: %d -- not unordered?\",\n\t\t\t\t control, control->on_strm_q);\n\t\t\t}\n#endif\n\t\t\tif (SCTP_TSN_GT(control->sinfo_tsn, cumulative_tsn_p1)) {\n\t\t\t\t/* Yep it is above cum-ack */\n\t\t\t\tcnt++;\n\t\t\t\tSCTP_CALC_TSN_TO_GAP(gap, control->sinfo_tsn, asoc->mapping_array_base_tsn);\n\t\t\t\tKASSERT(control->length > 0, (\"control has zero length\"));\n\t\t\t\tif (asoc->size_on_all_streams >= control->length) {\n\t\t\t\t\tasoc->size_on_all_streams -= control->length;\n\t\t\t\t} else {\n#ifdef INVARIANTS\n\t\t\t\t\tpanic(\"size_on_all_streams = %u smaller than control length %u\", asoc->size_on_all_streams, control->length);\n#else\n\t\t\t\t\tasoc->size_on_all_streams = 0;\n#endif\n\t\t\t\t}\n\t\t\t\tsctp_ucount_decr(asoc->cnt_on_all_streams);\n\t\t\t\tSCTP_UNSET_TSN_PRESENT(asoc->mapping_array, gap);\n\t\t\t\tif (control->on_read_q) {\n\t\t\t\t\tTAILQ_REMOVE(&stcb->sctp_ep->read_queue, control, next);\n\t\t\t\t\tcontrol->on_read_q = 0;\n\t\t\t\t}\n\t\t\t\tTAILQ_REMOVE(&asoc->strmin[strmat].uno_inqueue, control, next_instrm);\n\t\t\t\tcontrol->on_strm_q = 0;\n\t\t\t\tif (control->data) {\n\t\t\t\t\tsctp_m_freem(control->data);\n\t\t\t\t\tcontrol->data = NULL;\n\t\t\t\t}\n\t\t\t\tsctp_free_remote_addr(control->whoFrom);\n\t\t\t\t/* Now its reasm? */\n\t\t\t\tTAILQ_FOREACH_SAFE(chk, &control->reasm, sctp_next, nchk) {\n\t\t\t\t\tcnt++;\n\t\t\t\t\tSCTP_CALC_TSN_TO_GAP(gap, chk->rec.data.tsn, asoc->mapping_array_base_tsn);\n\t\t\t\t\tKASSERT(chk->send_size > 0, (\"chunk has zero length\"));\n\t\t\t\t\tif (asoc->size_on_reasm_queue >= chk->send_size) {\n\t\t\t\t\t\tasoc->size_on_reasm_queue -= chk->send_size;\n\t\t\t\t\t} else {\n#ifdef INVARIANTS\n\t\t\t\t\t\tpanic(\"size_on_reasm_queue = %u smaller than chunk length %u\", asoc->size_on_reasm_queue, chk->send_size);\n#else\n\t\t\t\t\t\tasoc->size_on_reasm_queue = 0;\n#endif\n\t\t\t\t\t}\n\t\t\t\t\tsctp_ucount_decr(asoc->cnt_on_reasm_queue);\n\t\t\t\t\tSCTP_UNSET_TSN_PRESENT(asoc->mapping_array, gap);\n\t\t\t\t\tTAILQ_REMOVE(&control->reasm, chk, sctp_next);\n\t\t\t\t\tif (chk->data) {\n\t\t\t\t\t\tsctp_m_freem(chk->data);\n\t\t\t\t\t\tchk->data = NULL;\n\t\t\t\t\t}\n\t\t\t\t\tsctp_free_a_chunk(stcb, chk, SCTP_SO_NOT_LOCKED);\n\t\t\t\t}\n\t\t\t\tsctp_free_a_readq(stcb, control);\n\t\t\t}\n\t\t}\n\t}\n\tif (cnt) {\n\t\t/* We must back down to see what the new highest is */\n\t\tfor (i = asoc->highest_tsn_inside_map; SCTP_TSN_GE(i, asoc->mapping_array_base_tsn); i--) {\n\t\t\tSCTP_CALC_TSN_TO_GAP(gap, i, asoc->mapping_array_base_tsn);\n\t\t\tif (SCTP_IS_TSN_PRESENT(asoc->mapping_array, gap)) {\n\t\t\t\tasoc->highest_tsn_inside_map = i;\n\t\t\t\tfnd = 1;\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\t\tif (!fnd) {\n\t\t\tasoc->highest_tsn_inside_map = asoc->mapping_array_base_tsn - 1;\n\t\t}","\t\t/*\n\t\t * Question, should we go through the delivery queue? The only\n\t\t * reason things are on here is the app not reading OR a p-d-api up.\n\t\t * An attacker COULD send enough in to initiate the PD-API and then\n\t\t * send a bunch of stuff to other streams... these would wind up on\n\t\t * the delivery queue.. and then we would not get to them. But in\n\t\t * order to do this I then have to back-track and un-deliver\n\t\t * sequence numbers in streams.. el-yucko. I think for now we will\n\t\t * NOT look at the delivery queue and leave it to be something to\n\t\t * consider later. An alternative would be to abort the P-D-API with\n\t\t * a notification and then deliver the data.... Or another method\n\t\t * might be to keep track of how many times the situation occurs and\n\t\t * if we see a possible attack underway just abort the association.\n\t\t */\n#ifdef SCTP_DEBUG\n\t\tSCTPDBG(SCTP_DEBUG_PCB1, \"Freed %d chunks from reneg harvest\\n\", cnt);\n#endif\n\t\t/*\n\t\t * Now do we need to find a new\n\t\t * asoc->highest_tsn_inside_map?\n\t\t */\n\t\tasoc->last_revoke_count = cnt;\n\t\t(void)SCTP_OS_TIMER_STOP(&stcb->asoc.dack_timer.timer);\n\t\t/*sa_ignore NO_NULL_CHK*/\n\t\tsctp_send_sack(stcb, SCTP_SO_NOT_LOCKED);\n\t\tsctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_DRAIN, SCTP_SO_NOT_LOCKED);\n\t}\n\t/*\n\t * Another issue, in un-setting the TSN's in the mapping array we\n\t * DID NOT adjust the highest_tsn marker. This will cause one of two\n\t * things to occur. It may cause us to do extra work in checking for\n\t * our mapping array movement. More importantly it may cause us to\n\t * SACK every datagram. This may not be a bad thing though since we\n\t * will recover once we get our cum-ack above and all this stuff we\n\t * dumped recovered.\n\t */\n}","void\nsctp_drain()\n{\n\t/*\n\t * We must walk the PCB lists for ALL associations here. The system\n\t * is LOW on MBUF's and needs help. This is where reneging will\n\t * occur. We really hope this does NOT happen!\n\t */\n#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\n\tVNET_ITERATOR_DECL(vnet_iter);\n#else\n\tstruct sctp_inpcb *inp;\n\tstruct sctp_tcb *stcb;","\tSCTP_STAT_INCR(sctps_protocol_drain_calls);\n\tif (SCTP_BASE_SYSCTL(sctp_do_drain) == 0) {\n\t\treturn;\n\t}\n#endif\n#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\n\tVNET_LIST_RLOCK_NOSLEEP();\n\tVNET_FOREACH(vnet_iter) {\n\t\tCURVNET_SET(vnet_iter);\n\t\tstruct sctp_inpcb *inp;\n\t\tstruct sctp_tcb *stcb;\n#endif","#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\n\t\tSCTP_STAT_INCR(sctps_protocol_drain_calls);\n\t\tif (SCTP_BASE_SYSCTL(sctp_do_drain) == 0) {\n#ifdef VIMAGE\n\t\t\tcontinue;\n#else\n\t\t\treturn;\n#endif\n\t\t}\n#endif\n\t\tSCTP_INP_INFO_RLOCK();\n\t\tLIST_FOREACH(inp, &SCTP_BASE_INFO(listhead), sctp_list) {\n\t\t\t/* For each endpoint */\n\t\t\tSCTP_INP_RLOCK(inp);\n\t\t\tLIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {\n\t\t\t\t/* For each association */\n\t\t\t\tSCTP_TCB_LOCK(stcb);\n\t\t\t\tsctp_drain_mbufs(stcb);\n\t\t\t\tSCTP_TCB_UNLOCK(stcb);\n\t\t\t}\n\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t}\n\t\tSCTP_INP_INFO_RUNLOCK();\n#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\n\t\tCURVNET_RESTORE();\n\t}\n\tVNET_LIST_RUNLOCK_NOSLEEP();\n#endif\n}","/*\n * start a new iterator\n * iterates through all endpoints and associations based on the pcb_state\n * flags and asoc_state. \"af\" (mandatory) is executed for all matching\n * assocs and \"ef\" (optional) is executed when the iterator completes.\n * \"inpf\" (optional) is executed for each new endpoint as it is being\n * iterated through. inpe (optional) is called when the inp completes\n * its way through all the stcbs.\n */\nint\nsctp_initiate_iterator(inp_func inpf,\n\t\t asoc_func af,\n\t\t inp_func inpe,\n\t\t uint32_t pcb_state,\n\t\t uint32_t pcb_features,\n\t\t uint32_t asoc_state,\n\t\t void *argp,\n\t\t uint32_t argi,\n\t\t end_func ef,\n\t\t struct sctp_inpcb *s_inp,\n\t\t uint8_t chunk_output_off)\n{\n\tstruct sctp_iterator *it = NULL;","\tif (af == NULL) {\n\t\treturn (-1);\n\t}\n\tif (SCTP_BASE_VAR(sctp_pcb_initialized) == 0) {\n\t\tSCTP_PRINTF(\"%s: abort on initialize being %d\\n\", __func__,\n\t\t SCTP_BASE_VAR(sctp_pcb_initialized));\n\t\treturn (-1);\n\t}\n\tSCTP_MALLOC(it, struct sctp_iterator *, sizeof(struct sctp_iterator),\n\t\t SCTP_M_ITER);\n\tif (it == NULL) {\n\t\tSCTP_LTRACE_ERR_RET(NULL, NULL, NULL, SCTP_FROM_SCTP_PCB, ENOMEM);\n\t\treturn (ENOMEM);\n\t}\n\tmemset(it, 0, sizeof(*it));\n\tit->function_assoc = af;\n\tit->function_inp = inpf;\n\tif (inpf)\n\t\tit->done_current_ep = 0;\n\telse\n\t\tit->done_current_ep = 1;\n\tit->function_atend = ef;\n\tit->pointer = argp;\n\tit->val = argi;\n\tit->pcb_flags = pcb_state;\n\tit->pcb_features = pcb_features;\n\tit->asoc_state = asoc_state;\n\tit->function_inp_end = inpe;\n\tit->no_chunk_output = chunk_output_off;\n#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\n\tit->vn = curvnet;\n#endif\n\tif (s_inp) {\n\t\t/* Assume lock is held here */\n\t\tit->inp = s_inp;\n\t\tSCTP_INP_INCR_REF(it->inp);\n\t\tit->iterator_flags = SCTP_ITERATOR_DO_SINGLE_INP;\n\t} else {\n\t\tSCTP_INP_INFO_RLOCK();\n\t\tit->inp = LIST_FIRST(&SCTP_BASE_INFO(listhead));\n\t\tif (it->inp) {\n\t\t\tSCTP_INP_INCR_REF(it->inp);\n\t\t}\n\t\tSCTP_INP_INFO_RUNLOCK();\n\t\tit->iterator_flags = SCTP_ITERATOR_DO_ALL_INP;","\t}\n\tSCTP_IPI_ITERATOR_WQ_LOCK();\n\tif (SCTP_BASE_VAR(sctp_pcb_initialized) == 0) {\n\t\tSCTP_IPI_ITERATOR_WQ_UNLOCK();\n\t\tSCTP_PRINTF(\"%s: rollback on initialize being %d it=%p\\n\", __func__,\n\t\t SCTP_BASE_VAR(sctp_pcb_initialized), it);\n\t\tSCTP_FREE(it, SCTP_M_ITER);\n\t\treturn (-1);\n\t}\n\tTAILQ_INSERT_TAIL(&sctp_it_ctl.iteratorhead, it, sctp_nxt_itr);\n\tif (sctp_it_ctl.iterator_running == 0) {\n\t\tsctp_wakeup_iterator();\n\t}\n\tSCTP_IPI_ITERATOR_WQ_UNLOCK();\n\t/* sa_ignore MEMLEAK {memory is put on the tailq for the iterator} */\n\treturn (0);\n}"],"string":"[\n \"/*-\\n * SPDX-License-Identifier: BSD-3-Clause\\n *\\n * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved.\\n * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.\\n * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.\\n *\\n * Redistribution and use in source and binary forms, with or without\\n * modification, are permitted provided that the following conditions are met:\\n *\\n * a) Redistributions of source code must retain the above copyright notice,\\n * this list of conditions and the following disclaimer.\\n *\\n * b) Redistributions in binary form must reproduce the above copyright\\n * notice, this list of conditions and the following disclaimer in\\n * the documentation and/or other materials provided with the distribution.\\n *\\n * c) Neither the name of Cisco Systems, Inc. nor the names of its\\n * contributors may be used to endorse or promote products derived\\n * from this software without specific prior written permission.\\n *\\n * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\\n * \\\"AS IS\\\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,\\n * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\\n * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\\n * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\\n * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\\n * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\\n * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\\n * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\\n * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF\\n * THE POSSIBILITY OF SUCH DAMAGE.\\n */\",\n \"#ifdef __FreeBSD__\\n#include <sys/cdefs.h>\",\n \"__FBSDID(\\\"$FreeBSD: head/sys/netinet/sctp_pcb.c 353477 2019-10-13 16:14:04Z markj $\\\");\",\n \"#endif\",\n \"#include <netinet/sctp_os.h>\\n#ifdef __FreeBSD__\\n#include <sys/proc.h>\\n#endif\\n#include <netinet/sctp_var.h>\\n#include <netinet/sctp_sysctl.h>\\n#include <netinet/sctp_pcb.h>\\n#include <netinet/sctputil.h>\\n#include <netinet/sctp.h>\\n#include <netinet/sctp_header.h>\\n#include <netinet/sctp_asconf.h>\\n#include <netinet/sctp_output.h>\\n#include <netinet/sctp_timer.h>\\n#include <netinet/sctp_bsd_addr.h>\\n#if defined(INET) || defined(INET6)\\n#if !defined(__Userspace_os_Windows)\\n#include <netinet/udp.h>\\n#endif\\n#endif\\n#ifdef INET6\\n#if defined(__Userspace__)\\n#include \\\"user_ip6_var.h\\\"\\n#else\\n#include <netinet6/ip6_var.h>\\n#endif\\n#endif\\n#if defined(__FreeBSD__)\\n#include <sys/sched.h>\\n#include <sys/smp.h>\\n#include <sys/unistd.h>\\n#endif\\n#if defined(__Userspace__)\\n#include <user_socketvar.h>\\n#include <user_atomic.h>\\n#if !defined(__Userspace_os_Windows)\\n#include <netdb.h>\\n#endif\\n#endif\",\n \"#if defined(__APPLE__)\\n#define APPLE_FILE_NO 4\\n#endif\",\n \"#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\\nVNET_DEFINE(struct sctp_base_info, system_base_info);\\n#else\\nstruct sctp_base_info system_base_info;\\n#endif\",\n \"/* FIX: we don't handle multiple link local scopes */\\n/* \\\"scopeless\\\" replacement IN6_ARE_ADDR_EQUAL */\\n#ifdef INET6\\nint\\nSCTP6_ARE_ADDR_EQUAL(struct sockaddr_in6 *a, struct sockaddr_in6 *b)\\n{\\n#ifdef SCTP_EMBEDDED_V6_SCOPE\\n#if defined(__APPLE__)\\n\\tstruct in6_addr tmp_a, tmp_b;\",\n \"\\ttmp_a = a->sin6_addr;\\n#if defined(APPLE_LEOPARD) || defined(APPLE_SNOWLEOPARD)\\n\\tif (in6_embedscope(&tmp_a, a, NULL, NULL) != 0) {\\n#else\\n\\tif (in6_embedscope(&tmp_a, a, NULL, NULL, NULL) != 0) {\\n#endif\\n\\t\\treturn (0);\\n\\t}\\n\\ttmp_b = b->sin6_addr;\\n#if defined(APPLE_LEOPARD) || defined(APPLE_SNOWLEOPARD)\\n\\tif (in6_embedscope(&tmp_b, b, NULL, NULL) != 0) {\\n#else\\n\\tif (in6_embedscope(&tmp_b, b, NULL, NULL, NULL) != 0) {\\n#endif\\n\\t\\treturn (0);\\n\\t}\\n\\treturn (IN6_ARE_ADDR_EQUAL(&tmp_a, &tmp_b));\\n#elif defined(SCTP_KAME)\\n\\tstruct sockaddr_in6 tmp_a, tmp_b;\",\n \"\\tmemcpy(&tmp_a, a, sizeof(struct sockaddr_in6));\\n\\tif (sa6_embedscope(&tmp_a, MODULE_GLOBAL(ip6_use_defzone)) != 0) {\\n\\t\\treturn (0);\\n\\t}\\n\\tmemcpy(&tmp_b, b, sizeof(struct sockaddr_in6));\\n\\tif (sa6_embedscope(&tmp_b, MODULE_GLOBAL(ip6_use_defzone)) != 0) {\\n\\t\\treturn (0);\\n\\t}\\n\\treturn (IN6_ARE_ADDR_EQUAL(&tmp_a.sin6_addr, &tmp_b.sin6_addr));\\n#else\\n\\tstruct in6_addr tmp_a, tmp_b;\",\n \"\\ttmp_a = a->sin6_addr;\\n\\tif (in6_embedscope(&tmp_a, a) != 0) {\\n\\t\\treturn (0);\\n\\t}\\n\\ttmp_b = b->sin6_addr;\\n\\tif (in6_embedscope(&tmp_b, b) != 0) {\\n\\t\\treturn (0);\\n\\t}\\n\\treturn (IN6_ARE_ADDR_EQUAL(&tmp_a, &tmp_b));\\n#endif\\n#else\\n\\treturn (IN6_ARE_ADDR_EQUAL(&(a->sin6_addr), &(b->sin6_addr)));\\n#endif /* SCTP_EMBEDDED_V6_SCOPE */\\n}\\n#endif\",\n \"void\\nsctp_fill_pcbinfo(struct sctp_pcbinfo *spcb)\\n{\\n\\t/*\\n\\t * We really don't need to lock this, but I will just because it\\n\\t * does not hurt.\\n\\t */\\n\\tSCTP_INP_INFO_RLOCK();\\n\\tspcb->ep_count = SCTP_BASE_INFO(ipi_count_ep);\\n\\tspcb->asoc_count = SCTP_BASE_INFO(ipi_count_asoc);\\n\\tspcb->laddr_count = SCTP_BASE_INFO(ipi_count_laddr);\\n\\tspcb->raddr_count = SCTP_BASE_INFO(ipi_count_raddr);\\n\\tspcb->chk_count = SCTP_BASE_INFO(ipi_count_chunk);\\n\\tspcb->readq_count = SCTP_BASE_INFO(ipi_count_readq);\\n\\tspcb->stream_oque = SCTP_BASE_INFO(ipi_count_strmoq);\\n\\tspcb->free_chunks = SCTP_BASE_INFO(ipi_free_chunks);\\n\\tSCTP_INP_INFO_RUNLOCK();\\n}\",\n \"/*-\\n * Addresses are added to VRF's (Virtual Router's). For BSD we\\n * have only the default VRF 0. We maintain a hash list of\\n * VRF's. Each VRF has its own list of sctp_ifn's. Each of\\n * these has a list of addresses. When we add a new address\\n * to a VRF we lookup the ifn/ifn_index, if the ifn does\\n * not exist we create it and add it to the list of IFN's\\n * within the VRF. Once we have the sctp_ifn, we add the\\n * address to the list. So we look something like:\\n *\\n * hash-vrf-table\\n * vrf-> ifn-> ifn -> ifn\\n * vrf |\\n * ... +--ifa-> ifa -> ifa\\n * vrf\\n *\\n * We keep these separate lists since the SCTP subsystem will\\n * point to these from its source address selection nets structure.\\n * When an address is deleted it does not happen right away on\\n * the SCTP side, it gets scheduled. What we do when a\\n * delete happens is immediately remove the address from\\n * the master list and decrement the refcount. As our\\n * addip iterator works through and frees the src address\\n * selection pointing to the sctp_ifa, eventually the refcount\\n * will reach 0 and we will delete it. Note that it is assumed\\n * that any locking on system level ifn/ifa is done at the\\n * caller of these functions and these routines will only\\n * lock the SCTP structures as they add or delete things.\\n *\\n * Other notes on VRF concepts.\\n * - An endpoint can be in multiple VRF's\\n * - An association lives within a VRF and only one VRF.\\n * - Any incoming packet we can deduce the VRF for by\\n * looking at the mbuf/pak inbound (for BSD its VRF=0 :D)\\n * - Any downward send call or connect call must supply the\\n * VRF via ancillary data or via some sort of set default\\n * VRF socket option call (again for BSD no brainer since\\n * the VRF is always 0).\\n * - An endpoint may add multiple VRF's to it.\\n * - Listening sockets can accept associations in any\\n * of the VRF's they are in but the assoc will end up\\n * in only one VRF (gotten from the packet or connect/send).\\n *\\n */\",\n \"struct sctp_vrf *\\nsctp_allocate_vrf(int vrf_id)\\n{\\n\\tstruct sctp_vrf *vrf = NULL;\\n\\tstruct sctp_vrflist *bucket;\",\n \"\\t/* First allocate the VRF structure */\\n\\tvrf = sctp_find_vrf(vrf_id);\\n\\tif (vrf) {\\n\\t\\t/* Already allocated */\\n\\t\\treturn (vrf);\\n\\t}\\n\\tSCTP_MALLOC(vrf, struct sctp_vrf *, sizeof(struct sctp_vrf),\\n\\t\\t SCTP_M_VRF);\\n\\tif (vrf == NULL) {\\n\\t\\t/* No memory */\\n#ifdef INVARIANTS\\n\\t\\tpanic(\\\"No memory for VRF:%d\\\", vrf_id);\\n#endif\\n\\t\\treturn (NULL);\\n\\t}\\n\\t/* setup the VRF */\\n\\tmemset(vrf, 0, sizeof(struct sctp_vrf));\\n\\tvrf->vrf_id = vrf_id;\\n\\tLIST_INIT(&vrf->ifnlist);\\n\\tvrf->total_ifa_count = 0;\\n\\tvrf->refcount = 0;\\n\\t/* now also setup table ids */\\n\\tSCTP_INIT_VRF_TABLEID(vrf);\\n\\t/* Init the HASH of addresses */\\n\\tvrf->vrf_addr_hash = SCTP_HASH_INIT(SCTP_VRF_ADDR_HASH_SIZE,\\n\\t\\t\\t\\t\\t &vrf->vrf_addr_hashmark);\\n\\tif (vrf->vrf_addr_hash == NULL) {\\n\\t\\t/* No memory */\\n#ifdef INVARIANTS\\n\\t\\tpanic(\\\"No memory for VRF:%d\\\", vrf_id);\\n#endif\\n\\t\\tSCTP_FREE(vrf, SCTP_M_VRF);\\n\\t\\treturn (NULL);\\n\\t}\",\n \"\\t/* Add it to the hash table */\\n\\tbucket = &SCTP_BASE_INFO(sctp_vrfhash)[(vrf_id & SCTP_BASE_INFO(hashvrfmark))];\\n\\tLIST_INSERT_HEAD(bucket, vrf, next_vrf);\\n\\tatomic_add_int(&SCTP_BASE_INFO(ipi_count_vrfs), 1);\\n\\treturn (vrf);\\n}\",\n \"\\nstruct sctp_ifn *\\nsctp_find_ifn(void *ifn, uint32_t ifn_index)\\n{\\n\\tstruct sctp_ifn *sctp_ifnp;\\n\\tstruct sctp_ifnlist *hash_ifn_head;\",\n \"\\t/* We assume the lock is held for the addresses\\n\\t * if that's wrong problems could occur :-)\\n\\t */\\n\\thash_ifn_head = &SCTP_BASE_INFO(vrf_ifn_hash)[(ifn_index & SCTP_BASE_INFO(vrf_ifn_hashmark))];\\n\\tLIST_FOREACH(sctp_ifnp, hash_ifn_head, next_bucket) {\\n\\t\\tif (sctp_ifnp->ifn_index == ifn_index) {\\n\\t\\t\\treturn (sctp_ifnp);\\n\\t\\t}\\n\\t\\tif (sctp_ifnp->ifn_p && ifn && (sctp_ifnp->ifn_p == ifn)) {\\n\\t\\t\\treturn (sctp_ifnp);\\n\\t\\t}\\n\\t}\\n\\treturn (NULL);\\n}\",\n \"\\nstruct sctp_vrf *\\nsctp_find_vrf(uint32_t vrf_id)\\n{\\n\\tstruct sctp_vrflist *bucket;\\n\\tstruct sctp_vrf *liste;\",\n \"\\tbucket = &SCTP_BASE_INFO(sctp_vrfhash)[(vrf_id & SCTP_BASE_INFO(hashvrfmark))];\\n\\tLIST_FOREACH(liste, bucket, next_vrf) {\\n\\t\\tif (vrf_id == liste->vrf_id) {\\n\\t\\t\\treturn (liste);\\n\\t\\t}\\n\\t}\\n\\treturn (NULL);\\n}\",\n \"\\nvoid\\nsctp_free_vrf(struct sctp_vrf *vrf)\\n{\\n\\tif (SCTP_DECREMENT_AND_CHECK_REFCOUNT(&vrf->refcount)) {\\n if (vrf->vrf_addr_hash) {\\n SCTP_HASH_FREE(vrf->vrf_addr_hash, vrf->vrf_addr_hashmark);\\n vrf->vrf_addr_hash = NULL;\\n }\\n\\t\\t/* We zero'd the count */\\n\\t\\tLIST_REMOVE(vrf, next_vrf);\\n\\t\\tSCTP_FREE(vrf, SCTP_M_VRF);\\n\\t\\tatomic_subtract_int(&SCTP_BASE_INFO(ipi_count_vrfs), 1);\\n\\t}\\n}\",\n \"\\nvoid\\nsctp_free_ifn(struct sctp_ifn *sctp_ifnp)\\n{\\n\\tif (SCTP_DECREMENT_AND_CHECK_REFCOUNT(&sctp_ifnp->refcount)) {\\n\\t\\t/* We zero'd the count */\\n\\t\\tif (sctp_ifnp->vrf) {\\n\\t\\t\\tsctp_free_vrf(sctp_ifnp->vrf);\\n\\t\\t}\\n\\t\\tSCTP_FREE(sctp_ifnp, SCTP_M_IFN);\\n\\t\\tatomic_subtract_int(&SCTP_BASE_INFO(ipi_count_ifns), 1);\\n\\t}\\n}\",\n \"\\nvoid\\nsctp_update_ifn_mtu(uint32_t ifn_index, uint32_t mtu)\\n{\\n\\tstruct sctp_ifn *sctp_ifnp;\",\n \"\\tsctp_ifnp = sctp_find_ifn((void *)NULL, ifn_index);\\n\\tif (sctp_ifnp != NULL) {\\n\\t\\tsctp_ifnp->ifn_mtu = mtu;\\n\\t}\\n}\",\n \"\\nvoid\\nsctp_free_ifa(struct sctp_ifa *sctp_ifap)\\n{\\n\\tif (SCTP_DECREMENT_AND_CHECK_REFCOUNT(&sctp_ifap->refcount)) {\\n\\t\\t/* We zero'd the count */\\n\\t\\tif (sctp_ifap->ifn_p) {\\n\\t\\t\\tsctp_free_ifn(sctp_ifap->ifn_p);\\n\\t\\t}\\n\\t\\tSCTP_FREE(sctp_ifap, SCTP_M_IFA);\\n\\t\\tatomic_subtract_int(&SCTP_BASE_INFO(ipi_count_ifas), 1);\\n\\t}\\n}\",\n \"\\nstatic void\\nsctp_delete_ifn(struct sctp_ifn *sctp_ifnp, int hold_addr_lock)\\n{\\n\\tstruct sctp_ifn *found;\",\n \"\\tfound = sctp_find_ifn(sctp_ifnp->ifn_p, sctp_ifnp->ifn_index);\\n\\tif (found == NULL) {\\n\\t\\t/* Not in the list.. sorry */\\n\\t\\treturn;\\n\\t}\\n\\tif (hold_addr_lock == 0)\\n\\t\\tSCTP_IPI_ADDR_WLOCK();\\n\\tLIST_REMOVE(sctp_ifnp, next_bucket);\\n\\tLIST_REMOVE(sctp_ifnp, next_ifn);\\n\\tSCTP_DEREGISTER_INTERFACE(sctp_ifnp->ifn_index,\\n\\t\\t\\t\\t sctp_ifnp->registered_af);\\n\\tif (hold_addr_lock == 0)\\n\\t\\tSCTP_IPI_ADDR_WUNLOCK();\\n\\t/* Take away the reference, and possibly free it */\\n\\tsctp_free_ifn(sctp_ifnp);\\n}\",\n \"\\nvoid\\nsctp_mark_ifa_addr_down(uint32_t vrf_id, struct sockaddr *addr,\\n\\t\\t\\tconst char *if_name, uint32_t ifn_index)\\n{\\n\\tstruct sctp_vrf *vrf;\\n\\tstruct sctp_ifa *sctp_ifap;\",\n \"\\tSCTP_IPI_ADDR_RLOCK();\\n\\tvrf = sctp_find_vrf(vrf_id);\\n\\tif (vrf == NULL) {\\n\\t\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"Can't find vrf_id 0x%x\\\\n\\\", vrf_id);\\n\\t\\tgoto out;\",\n \"\\t}\\n\\tsctp_ifap = sctp_find_ifa_by_addr(addr, vrf->vrf_id, SCTP_ADDR_LOCKED);\\n\\tif (sctp_ifap == NULL) {\\n\\t\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"Can't find sctp_ifap for address\\\\n\\\");\\n\\t\\tgoto out;\\n\\t}\\n\\tif (sctp_ifap->ifn_p == NULL) {\\n\\t\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"IFA has no IFN - can't mark unusable\\\\n\\\");\\n\\t\\tgoto out;\\n\\t}\\n\\tif (if_name) {\\n\\t\\tif (strncmp(if_name, sctp_ifap->ifn_p->ifn_name, SCTP_IFNAMSIZ) != 0) {\\n\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"IFN %s of IFA not the same as %s\\\\n\\\",\\n\\t\\t\\t\\tsctp_ifap->ifn_p->ifn_name, if_name);\\n\\t\\t\\tgoto out;\\n\\t\\t}\\n\\t} else {\\n\\t\\tif (sctp_ifap->ifn_p->ifn_index != ifn_index) {\\n\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"IFA owned by ifn_index:%d down command for ifn_index:%d - ignored\\\\n\\\",\\n\\t\\t\\t\\tsctp_ifap->ifn_p->ifn_index, ifn_index);\\n\\t\\t\\tgoto out;\\n\\t\\t}\\n\\t}\",\n \"\\tsctp_ifap->localifa_flags &= (~SCTP_ADDR_VALID);\\n\\tsctp_ifap->localifa_flags |= SCTP_ADDR_IFA_UNUSEABLE;\\n out:\\n\\tSCTP_IPI_ADDR_RUNLOCK();\\n}\",\n \"\\nvoid\\nsctp_mark_ifa_addr_up(uint32_t vrf_id, struct sockaddr *addr,\\n\\t\\t const char *if_name, uint32_t ifn_index)\\n{\\n\\tstruct sctp_vrf *vrf;\\n\\tstruct sctp_ifa *sctp_ifap;\",\n \"\\tSCTP_IPI_ADDR_RLOCK();\\n\\tvrf = sctp_find_vrf(vrf_id);\\n\\tif (vrf == NULL) {\\n\\t\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"Can't find vrf_id 0x%x\\\\n\\\", vrf_id);\\n\\t\\tgoto out;\",\n \"\\t}\\n\\tsctp_ifap = sctp_find_ifa_by_addr(addr, vrf->vrf_id, SCTP_ADDR_LOCKED);\\n\\tif (sctp_ifap == NULL) {\\n\\t\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"Can't find sctp_ifap for address\\\\n\\\");\\n\\t\\tgoto out;\\n\\t}\\n\\tif (sctp_ifap->ifn_p == NULL) {\\n\\t\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"IFA has no IFN - can't mark unusable\\\\n\\\");\\n\\t\\tgoto out;\\n\\t}\\n\\tif (if_name) {\\n\\t\\tif (strncmp(if_name, sctp_ifap->ifn_p->ifn_name, SCTP_IFNAMSIZ) != 0) {\\n\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"IFN %s of IFA not the same as %s\\\\n\\\",\\n\\t\\t\\t\\tsctp_ifap->ifn_p->ifn_name, if_name);\\n\\t\\t\\tgoto out;\\n\\t\\t}\\n\\t} else {\\n\\t\\tif (sctp_ifap->ifn_p->ifn_index != ifn_index) {\\n\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"IFA owned by ifn_index:%d down command for ifn_index:%d - ignored\\\\n\\\",\\n\\t\\t\\t\\tsctp_ifap->ifn_p->ifn_index, ifn_index);\\n\\t\\t\\tgoto out;\\n\\t\\t}\\n\\t}\",\n \"\\tsctp_ifap->localifa_flags &= (~SCTP_ADDR_IFA_UNUSEABLE);\\n\\tsctp_ifap->localifa_flags |= SCTP_ADDR_VALID;\\n out:\\n\\tSCTP_IPI_ADDR_RUNLOCK();\\n}\",\n \"\\n/*-\\n * Add an ifa to an ifn.\\n * Register the interface as necessary.\\n * NOTE: ADDR write lock MUST be held.\\n */\\nstatic void\\nsctp_add_ifa_to_ifn(struct sctp_ifn *sctp_ifnp, struct sctp_ifa *sctp_ifap)\\n{\\n\\tint ifa_af;\",\n \"\\tLIST_INSERT_HEAD(&sctp_ifnp->ifalist, sctp_ifap, next_ifa);\\n\\tsctp_ifap->ifn_p = sctp_ifnp;\\n\\tatomic_add_int(&sctp_ifap->ifn_p->refcount, 1);\\n\\t/* update address counts */\\n\\tsctp_ifnp->ifa_count++;\\n\\tifa_af = sctp_ifap->address.sa.sa_family;\\n\\tswitch (ifa_af) {\\n#ifdef INET\\n\\tcase AF_INET:\\n\\t\\tsctp_ifnp->num_v4++;\\n\\t\\tbreak;\\n#endif\\n#ifdef INET6\\n\\tcase AF_INET6:\\n\\t\\tsctp_ifnp->num_v6++;\\n\\t\\tbreak;\\n#endif\\n\\tdefault:\\n\\t\\tbreak;\\n\\t}\\n\\tif (sctp_ifnp->ifa_count == 1) {\\n\\t\\t/* register the new interface */\\n\\t\\tSCTP_REGISTER_INTERFACE(sctp_ifnp->ifn_index, ifa_af);\\n\\t\\tsctp_ifnp->registered_af = ifa_af;\\n\\t}\\n}\",\n \"\\n/*-\\n * Remove an ifa from its ifn.\\n * If no more addresses exist, remove the ifn too. Otherwise, re-register\\n * the interface based on the remaining address families left.\\n * NOTE: ADDR write lock MUST be held.\\n */\\nstatic void\\nsctp_remove_ifa_from_ifn(struct sctp_ifa *sctp_ifap)\\n{\\n\\tLIST_REMOVE(sctp_ifap, next_ifa);\\n\\tif (sctp_ifap->ifn_p) {\\n\\t\\t/* update address counts */\\n\\t\\tsctp_ifap->ifn_p->ifa_count--;\\n\\t\\tswitch (sctp_ifap->address.sa.sa_family) {\\n#ifdef INET\\n\\t\\tcase AF_INET:\\n\\t\\t\\tsctp_ifap->ifn_p->num_v4--;\\n\\t\\t\\tbreak;\\n#endif\\n#ifdef INET6\\n\\t\\tcase AF_INET6:\\n\\t\\t\\tsctp_ifap->ifn_p->num_v6--;\\n\\t\\t\\tbreak;\\n#endif\\n\\t\\tdefault:\\n\\t\\t\\tbreak;\\n\\t\\t}\",\n \"\\t\\tif (LIST_EMPTY(&sctp_ifap->ifn_p->ifalist)) {\\n\\t\\t\\t/* remove the ifn, possibly freeing it */\\n\\t\\t\\tsctp_delete_ifn(sctp_ifap->ifn_p, SCTP_ADDR_LOCKED);\\n\\t\\t} else {\\n\\t\\t\\t/* re-register address family type, if needed */\\n\\t\\t\\tif ((sctp_ifap->ifn_p->num_v6 == 0) &&\\n\\t\\t\\t (sctp_ifap->ifn_p->registered_af == AF_INET6)) {\\n\\t\\t\\t\\tSCTP_DEREGISTER_INTERFACE(sctp_ifap->ifn_p->ifn_index, AF_INET6);\\n\\t\\t\\t\\tSCTP_REGISTER_INTERFACE(sctp_ifap->ifn_p->ifn_index, AF_INET);\\n\\t\\t\\t\\tsctp_ifap->ifn_p->registered_af = AF_INET;\\n\\t\\t\\t} else if ((sctp_ifap->ifn_p->num_v4 == 0) &&\\n\\t\\t\\t\\t (sctp_ifap->ifn_p->registered_af == AF_INET)) {\\n\\t\\t\\t\\tSCTP_DEREGISTER_INTERFACE(sctp_ifap->ifn_p->ifn_index, AF_INET);\\n\\t\\t\\t\\tSCTP_REGISTER_INTERFACE(sctp_ifap->ifn_p->ifn_index, AF_INET6);\\n\\t\\t\\t\\tsctp_ifap->ifn_p->registered_af = AF_INET6;\\n\\t\\t\\t}\\n\\t\\t\\t/* free the ifn refcount */\\n\\t\\t\\tsctp_free_ifn(sctp_ifap->ifn_p);\\n\\t\\t}\\n\\t\\tsctp_ifap->ifn_p = NULL;\\n\\t}\\n}\",\n \"\\nstruct sctp_ifa *\\nsctp_add_addr_to_vrf(uint32_t vrf_id, void *ifn, uint32_t ifn_index,\\n\\t\\t uint32_t ifn_type, const char *if_name, void *ifa,\\n\\t\\t struct sockaddr *addr, uint32_t ifa_flags,\\n\\t\\t int dynamic_add)\\n{\\n\\tstruct sctp_vrf *vrf;\\n\\tstruct sctp_ifn *sctp_ifnp = NULL;\\n\\tstruct sctp_ifa *sctp_ifap = NULL;\\n\\tstruct sctp_ifalist *hash_addr_head;\\n\\tstruct sctp_ifnlist *hash_ifn_head;\\n\\tuint32_t hash_of_addr;\\n\\tint new_ifn_af = 0;\",\n \"#ifdef SCTP_DEBUG\\n\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"vrf_id 0x%x: adding address: \\\", vrf_id);\\n\\tSCTPDBG_ADDR(SCTP_DEBUG_PCB4, addr);\\n#endif\\n\\tSCTP_IPI_ADDR_WLOCK();\\n\\tsctp_ifnp = sctp_find_ifn(ifn, ifn_index);\\n\\tif (sctp_ifnp) {\\n\\t\\tvrf = sctp_ifnp->vrf;\\n\\t} else {\\n\\t\\tvrf = sctp_find_vrf(vrf_id);\\n\\t\\tif (vrf == NULL) {\\n\\t\\t\\tvrf = sctp_allocate_vrf(vrf_id);\\n\\t\\t\\tif (vrf == NULL) {\\n\\t\\t\\t\\tSCTP_IPI_ADDR_WUNLOCK();\\n\\t\\t\\t\\treturn (NULL);\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n\\tif (sctp_ifnp == NULL) {\\n\\t\\t/* build one and add it, can't hold lock\\n\\t\\t * until after malloc done though.\\n\\t\\t */\\n\\t\\tSCTP_IPI_ADDR_WUNLOCK();\\n\\t\\tSCTP_MALLOC(sctp_ifnp, struct sctp_ifn *,\\n\\t\\t\\t sizeof(struct sctp_ifn), SCTP_M_IFN);\\n\\t\\tif (sctp_ifnp == NULL) {\\n#ifdef INVARIANTS\\n\\t\\t\\tpanic(\\\"No memory for IFN\\\");\\n#endif\\n\\t\\t\\treturn (NULL);\\n\\t\\t}\\n\\t\\tmemset(sctp_ifnp, 0, sizeof(struct sctp_ifn));\\n\\t\\tsctp_ifnp->ifn_index = ifn_index;\\n\\t\\tsctp_ifnp->ifn_p = ifn;\\n\\t\\tsctp_ifnp->ifn_type = ifn_type;\\n\\t\\tsctp_ifnp->refcount = 0;\\n\\t\\tsctp_ifnp->vrf = vrf;\\n\\t\\tatomic_add_int(&vrf->refcount, 1);\\n\\t\\tsctp_ifnp->ifn_mtu = SCTP_GATHER_MTU_FROM_IFN_INFO(ifn, ifn_index, addr->sa_family);\\n\\t\\tif (if_name != NULL) {\\n\\t\\t\\tsnprintf(sctp_ifnp->ifn_name, SCTP_IFNAMSIZ, \\\"%s\\\", if_name);\\n\\t\\t} else {\\n\\t\\t\\tsnprintf(sctp_ifnp->ifn_name, SCTP_IFNAMSIZ, \\\"%s\\\", \\\"unknown\\\");\\n\\t\\t}\\n\\t\\thash_ifn_head = &SCTP_BASE_INFO(vrf_ifn_hash)[(ifn_index & SCTP_BASE_INFO(vrf_ifn_hashmark))];\\n\\t\\tLIST_INIT(&sctp_ifnp->ifalist);\\n\\t\\tSCTP_IPI_ADDR_WLOCK();\\n\\t\\tLIST_INSERT_HEAD(hash_ifn_head, sctp_ifnp, next_bucket);\\n\\t\\tLIST_INSERT_HEAD(&vrf->ifnlist, sctp_ifnp, next_ifn);\\n\\t\\tatomic_add_int(&SCTP_BASE_INFO(ipi_count_ifns), 1);\\n\\t\\tnew_ifn_af = 1;\\n\\t}\\n\\tsctp_ifap = sctp_find_ifa_by_addr(addr, vrf->vrf_id, SCTP_ADDR_LOCKED);\\n\\tif (sctp_ifap) {\\n\\t\\t/* Hmm, it already exists? */\\n\\t\\tif ((sctp_ifap->ifn_p) &&\\n\\t\\t (sctp_ifap->ifn_p->ifn_index == ifn_index)) {\\n\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"Using existing ifn %s (0x%x) for ifa %p\\\\n\\\",\\n\\t\\t\\t\\tsctp_ifap->ifn_p->ifn_name, ifn_index,\\n\\t\\t\\t\\t(void *)sctp_ifap);\\n\\t\\t\\tif (new_ifn_af) {\\n\\t\\t\\t\\t/* Remove the created one that we don't want */\\n\\t\\t\\t\\tsctp_delete_ifn(sctp_ifnp, SCTP_ADDR_LOCKED);\\n\\t\\t\\t}\\n\\t\\t\\tif (sctp_ifap->localifa_flags & SCTP_BEING_DELETED) {\\n\\t\\t\\t\\t/* easy to solve, just switch back to active */\\n\\t\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"Clearing deleted ifa flag\\\\n\\\");\\n\\t\\t\\t\\tsctp_ifap->localifa_flags = SCTP_ADDR_VALID;\\n\\t\\t\\t\\tsctp_ifap->ifn_p = sctp_ifnp;\\n\\t\\t\\t\\tatomic_add_int(&sctp_ifap->ifn_p->refcount, 1);\\n\\t\\t\\t}\\n\\t\\texit_stage_left:\\n\\t\\t\\tSCTP_IPI_ADDR_WUNLOCK();\\n\\t\\t\\treturn (sctp_ifap);\\n\\t\\t} else {\\n\\t\\t\\tif (sctp_ifap->ifn_p) {\\n\\t\\t\\t\\t/*\\n\\t\\t\\t\\t * The last IFN gets the address, remove the\\n\\t\\t\\t\\t * old one\\n\\t\\t\\t\\t */\\n\\t\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"Moving ifa %p from %s (0x%x) to %s (0x%x)\\\\n\\\",\\n\\t\\t\\t\\t\\t(void *)sctp_ifap, sctp_ifap->ifn_p->ifn_name,\\n\\t\\t\\t\\t\\tsctp_ifap->ifn_p->ifn_index, if_name,\\n\\t\\t\\t\\t\\tifn_index);\\n\\t\\t\\t\\t/* remove the address from the old ifn */\\n\\t\\t\\t\\tsctp_remove_ifa_from_ifn(sctp_ifap);\\n\\t\\t\\t\\t/* move the address over to the new ifn */\\n\\t\\t\\t\\tsctp_add_ifa_to_ifn(sctp_ifnp, sctp_ifap);\\n\\t\\t\\t\\tgoto exit_stage_left;\\n\\t\\t\\t} else {\\n\\t\\t\\t\\t/* repair ifnp which was NULL ? */\\n\\t\\t\\t\\tsctp_ifap->localifa_flags = SCTP_ADDR_VALID;\\n\\t\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"Repairing ifn %p for ifa %p\\\\n\\\",\\n\\t\\t\\t\\t\\t(void *)sctp_ifnp, (void *)sctp_ifap);\\n\\t\\t\\t\\tsctp_add_ifa_to_ifn(sctp_ifnp, sctp_ifap);\\n\\t\\t\\t}\\n\\t\\t\\tgoto exit_stage_left;\\n\\t\\t}\\n\\t}\\n\\tSCTP_IPI_ADDR_WUNLOCK();\\n\\tSCTP_MALLOC(sctp_ifap, struct sctp_ifa *, sizeof(struct sctp_ifa), SCTP_M_IFA);\\n\\tif (sctp_ifap == NULL) {\\n#ifdef INVARIANTS\\n\\t\\tpanic(\\\"No memory for IFA\\\");\\n#endif\\n\\t\\treturn (NULL);\\n\\t}\\n\\tmemset(sctp_ifap, 0, sizeof(struct sctp_ifa));\\n\\tsctp_ifap->ifn_p = sctp_ifnp;\\n\\tatomic_add_int(&sctp_ifnp->refcount, 1);\\n\\tsctp_ifap->vrf_id = vrf_id;\\n\\tsctp_ifap->ifa = ifa;\\n#ifdef HAVE_SA_LEN\\n\\tmemcpy(&sctp_ifap->address, addr, addr->sa_len);\\n#else\\n\\tswitch (addr->sa_family) {\\n#ifdef INET\\n\\tcase AF_INET:\\n\\t\\tmemcpy(&sctp_ifap->address, addr, sizeof(struct sockaddr_in));\\n\\t\\tbreak;\\n#endif\\n#ifdef INET6\\n\\tcase AF_INET6:\\n\\t\\tmemcpy(&sctp_ifap->address, addr, sizeof(struct sockaddr_in6));\\n\\t\\tbreak;\\n#endif\\n#if defined(__Userspace__)\\n\\tcase AF_CONN:\\n\\t\\tmemcpy(&sctp_ifap->address, addr, sizeof(struct sockaddr_conn));\\n\\t\\tbreak;\\n#endif\\n\\tdefault:\\n\\t\\t/* TSNH */\\n\\t\\tbreak;\\n\\t}\\n#endif\\n\\tsctp_ifap->localifa_flags = SCTP_ADDR_VALID | SCTP_ADDR_DEFER_USE;\\n\\tsctp_ifap->flags = ifa_flags;\\n\\t/* Set scope */\\n\\tswitch (sctp_ifap->address.sa.sa_family) {\\n#ifdef INET\\n\\tcase AF_INET:\\n\\t{\\n\\t\\tstruct sockaddr_in *sin;\",\n \"\\t\\tsin = &sctp_ifap->address.sin;\\n\\t\\tif (SCTP_IFN_IS_IFT_LOOP(sctp_ifap->ifn_p) ||\\n\\t\\t (IN4_ISLOOPBACK_ADDRESS(&sin->sin_addr))) {\\n\\t\\t\\tsctp_ifap->src_is_loop = 1;\\n\\t\\t}\\n\\t\\tif ((IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) {\\n\\t\\t\\tsctp_ifap->src_is_priv = 1;\\n\\t\\t}\\n\\t\\tsctp_ifnp->num_v4++;\\n\\t\\tif (new_ifn_af)\\n\\t\\t new_ifn_af = AF_INET;\\n\\t\\tbreak;\\n\\t}\\n#endif\\n#ifdef INET6\\n\\tcase AF_INET6:\\n\\t{\\n\\t\\t/* ok to use deprecated addresses? */\\n\\t\\tstruct sockaddr_in6 *sin6;\",\n \"\\t\\tsin6 = &sctp_ifap->address.sin6;\\n\\t\\tif (SCTP_IFN_IS_IFT_LOOP(sctp_ifap->ifn_p) ||\\n\\t\\t (IN6_IS_ADDR_LOOPBACK(&sin6->sin6_addr))) {\\n\\t\\t\\tsctp_ifap->src_is_loop = 1;\\n\\t\\t}\\n\\t\\tif (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {\\n\\t\\t\\tsctp_ifap->src_is_priv = 1;\\n\\t\\t}\\n\\t\\tsctp_ifnp->num_v6++;\\n\\t\\tif (new_ifn_af)\\n\\t\\t\\tnew_ifn_af = AF_INET6;\\n\\t\\tbreak;\\n\\t}\\n#endif\\n#if defined(__Userspace__)\\n\\tcase AF_CONN:\\n\\t\\tif (new_ifn_af)\\n\\t\\t\\tnew_ifn_af = AF_CONN;\\n\\t\\tbreak;\\n#endif\\n\\tdefault:\\n\\t\\tnew_ifn_af = 0;\\n\\t\\tbreak;\\n\\t}\\n\\thash_of_addr = sctp_get_ifa_hash_val(&sctp_ifap->address.sa);\",\n \"\\tif ((sctp_ifap->src_is_priv == 0) &&\\n\\t (sctp_ifap->src_is_loop == 0)) {\\n\\t\\tsctp_ifap->src_is_glob = 1;\\n\\t}\\n\\tSCTP_IPI_ADDR_WLOCK();\\n\\thash_addr_head = &vrf->vrf_addr_hash[(hash_of_addr & vrf->vrf_addr_hashmark)];\\n\\tLIST_INSERT_HEAD(hash_addr_head, sctp_ifap, next_bucket);\\n\\tsctp_ifap->refcount = 1;\\n\\tLIST_INSERT_HEAD(&sctp_ifnp->ifalist, sctp_ifap, next_ifa);\\n\\tsctp_ifnp->ifa_count++;\\n\\tvrf->total_ifa_count++;\\n\\tatomic_add_int(&SCTP_BASE_INFO(ipi_count_ifas), 1);\\n\\tif (new_ifn_af) {\\n\\t\\tSCTP_REGISTER_INTERFACE(ifn_index, new_ifn_af);\\n\\t\\tsctp_ifnp->registered_af = new_ifn_af;\\n\\t}\\n\\tSCTP_IPI_ADDR_WUNLOCK();\\n\\tif (dynamic_add) {\\n\\t\\t/* Bump up the refcount so that when the timer\\n\\t\\t * completes it will drop back down.\\n\\t\\t */\\n\\t\\tstruct sctp_laddr *wi;\",\n \"\\t\\tatomic_add_int(&sctp_ifap->refcount, 1);\\n\\t\\twi = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_laddr), struct sctp_laddr);\\n\\t\\tif (wi == NULL) {\\n\\t\\t\\t/*\\n\\t\\t\\t * Gak, what can we do? We have lost an address\\n\\t\\t\\t * change can you say HOSED?\\n\\t\\t\\t */\\n\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"Lost an address change?\\\\n\\\");\\n\\t\\t\\t/* Opps, must decrement the count */\\n\\t\\t\\tsctp_del_addr_from_vrf(vrf_id, addr, ifn_index,\\n\\t\\t\\t\\t\\t if_name);\\n\\t\\t\\treturn (NULL);\\n\\t\\t}\\n\\t\\tSCTP_INCR_LADDR_COUNT();\\n\\t\\tmemset(wi, 0, sizeof(*wi));\\n\\t\\t(void)SCTP_GETTIME_TIMEVAL(&wi->start_time);\\n\\t\\twi->ifa = sctp_ifap;\\n\\t\\twi->action = SCTP_ADD_IP_ADDRESS;\",\n \"\\t\\tSCTP_WQ_ADDR_LOCK();\\n\\t\\tLIST_INSERT_HEAD(&SCTP_BASE_INFO(addr_wq), wi, sctp_nxt_addr);\\n\\t\\tsctp_timer_start(SCTP_TIMER_TYPE_ADDR_WQ,\\n\\t\\t\\t\\t (struct sctp_inpcb *)NULL,\\n\\t\\t\\t\\t (struct sctp_tcb *)NULL,\\n\\t\\t\\t\\t (struct sctp_nets *)NULL);\\n\\t\\tSCTP_WQ_ADDR_UNLOCK();\\n\\t} else {\\n\\t\\t/* it's ready for use */\\n\\t\\tsctp_ifap->localifa_flags &= ~SCTP_ADDR_DEFER_USE;\\n\\t}\\n\\treturn (sctp_ifap);\\n}\",\n \"void\\nsctp_del_addr_from_vrf(uint32_t vrf_id, struct sockaddr *addr,\\n\\t\\t uint32_t ifn_index, const char *if_name)\\n{\\n\\tstruct sctp_vrf *vrf;\\n\\tstruct sctp_ifa *sctp_ifap = NULL;\",\n \"\\tSCTP_IPI_ADDR_WLOCK();\\n\\tvrf = sctp_find_vrf(vrf_id);\\n\\tif (vrf == NULL) {\\n\\t\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"Can't find vrf_id 0x%x\\\\n\\\", vrf_id);\\n\\t\\tgoto out_now;\\n\\t}\",\n \"#ifdef SCTP_DEBUG\\n\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"vrf_id 0x%x: deleting address:\\\", vrf_id);\\n\\tSCTPDBG_ADDR(SCTP_DEBUG_PCB4, addr);\\n#endif\\n\\tsctp_ifap = sctp_find_ifa_by_addr(addr, vrf->vrf_id, SCTP_ADDR_LOCKED);\\n\\tif (sctp_ifap) {\\n\\t\\t/* Validate the delete */\\n\\t\\tif (sctp_ifap->ifn_p) {\\n\\t\\t\\tint valid = 0;\\n\\t\\t\\t/*-\\n\\t\\t\\t * The name has priority over the ifn_index\\n\\t\\t\\t * if its given. We do this especially for\\n\\t\\t\\t * panda who might recycle indexes fast.\\n\\t\\t\\t */\\n\\t\\t\\tif (if_name) {\\n\\t\\t\\t\\tif (strncmp(if_name, sctp_ifap->ifn_p->ifn_name, SCTP_IFNAMSIZ) == 0) {\\n\\t\\t\\t\\t\\t/* They match its a correct delete */\\n\\t\\t\\t\\t\\tvalid = 1;\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t\\tif (!valid) {\\n\\t\\t\\t\\t/* last ditch check ifn_index */\\n\\t\\t\\t\\tif (ifn_index == sctp_ifap->ifn_p->ifn_index) {\\n\\t\\t\\t\\t\\tvalid = 1;\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t\\tif (!valid) {\\n\\t\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"ifn:%d ifname:%s does not match addresses\\\\n\\\",\\n\\t\\t\\t\\t\\tifn_index, ((if_name == NULL) ? \\\"NULL\\\" : if_name));\\n\\t\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"ifn:%d ifname:%s - ignoring delete\\\\n\\\",\\n\\t\\t\\t\\t\\tsctp_ifap->ifn_p->ifn_index, sctp_ifap->ifn_p->ifn_name);\\n\\t\\t\\t\\tSCTP_IPI_ADDR_WUNLOCK();\\n\\t\\t\\t\\treturn;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"Deleting ifa %p\\\\n\\\", (void *)sctp_ifap);\\n\\t\\tsctp_ifap->localifa_flags &= SCTP_ADDR_VALID;\\n /*\\n\\t\\t * We don't set the flag. This means that the structure will\\n\\t\\t * hang around in EP's that have bound specific to it until\\n\\t\\t * they close. This gives us TCP like behavior if someone\\n\\t\\t * removes an address (or for that matter adds it right back).\\n\\t\\t */\\n\\t\\t/* sctp_ifap->localifa_flags |= SCTP_BEING_DELETED; */\\n\\t\\tvrf->total_ifa_count--;\\n\\t\\tLIST_REMOVE(sctp_ifap, next_bucket);\\n\\t\\tsctp_remove_ifa_from_ifn(sctp_ifap);\\n\\t}\\n#ifdef SCTP_DEBUG\\n\\telse {\\n\\t\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"Del Addr-ifn:%d Could not find address:\\\",\\n\\t\\t\\tifn_index);\\n\\t\\tSCTPDBG_ADDR(SCTP_DEBUG_PCB1, addr);\\n\\t}\\n#endif\",\n \" out_now:\\n\\tSCTP_IPI_ADDR_WUNLOCK();\\n\\tif (sctp_ifap) {\\n\\t\\tstruct sctp_laddr *wi;\",\n \"\\t\\twi = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_laddr), struct sctp_laddr);\\n\\t\\tif (wi == NULL) {\\n\\t\\t\\t/*\\n\\t\\t\\t * Gak, what can we do? We have lost an address\\n\\t\\t\\t * change can you say HOSED?\\n\\t\\t\\t */\\n\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"Lost an address change?\\\\n\\\");\",\n \"\\t\\t\\t/* Oops, must decrement the count */\\n\\t\\t\\tsctp_free_ifa(sctp_ifap);\\n\\t\\t\\treturn;\\n\\t\\t}\\n\\t\\tSCTP_INCR_LADDR_COUNT();\\n\\t\\tmemset(wi, 0, sizeof(*wi));\\n\\t\\t(void)SCTP_GETTIME_TIMEVAL(&wi->start_time);\\n\\t\\twi->ifa = sctp_ifap;\\n\\t\\twi->action = SCTP_DEL_IP_ADDRESS;\\n\\t\\tSCTP_WQ_ADDR_LOCK();\\n\\t\\t/*\\n\\t\\t * Should this really be a tailq? As it is we will process the\\n\\t\\t * newest first :-0\\n\\t\\t */\\n\\t\\tLIST_INSERT_HEAD(&SCTP_BASE_INFO(addr_wq), wi, sctp_nxt_addr);\\n\\t\\tsctp_timer_start(SCTP_TIMER_TYPE_ADDR_WQ,\\n\\t\\t\\t\\t (struct sctp_inpcb *)NULL,\\n\\t\\t\\t\\t (struct sctp_tcb *)NULL,\\n\\t\\t\\t\\t (struct sctp_nets *)NULL);\\n\\t\\tSCTP_WQ_ADDR_UNLOCK();\\n\\t}\\n\\treturn;\\n}\",\n \"\\nstatic int\\nsctp_does_stcb_own_this_addr(struct sctp_tcb *stcb, struct sockaddr *to)\\n{\\n\\tint loopback_scope;\\n#if defined(INET)\\n\\tint ipv4_local_scope, ipv4_addr_legal;\\n#endif\\n#if defined(INET6)\\n\\tint local_scope, site_scope, ipv6_addr_legal;\\n#endif\\n#if defined(__Userspace__)\\n\\tint conn_addr_legal;\\n#endif\\n\\tstruct sctp_vrf *vrf;\\n\\tstruct sctp_ifn *sctp_ifn;\\n\\tstruct sctp_ifa *sctp_ifa;\",\n \"\\tloopback_scope = stcb->asoc.scope.loopback_scope;\\n#if defined(INET)\\n\\tipv4_local_scope = stcb->asoc.scope.ipv4_local_scope;\\n\\tipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal;\\n#endif\\n#if defined(INET6)\\n\\tlocal_scope = stcb->asoc.scope.local_scope;\\n\\tsite_scope = stcb->asoc.scope.site_scope;\\n\\tipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal;\\n#endif\\n#if defined(__Userspace__)\\n\\tconn_addr_legal = stcb->asoc.scope.conn_addr_legal;\\n#endif\",\n \"\\tSCTP_IPI_ADDR_RLOCK();\\n\\tvrf = sctp_find_vrf(stcb->asoc.vrf_id);\\n\\tif (vrf == NULL) {\\n\\t\\t/* no vrf, no addresses */\\n\\t\\tSCTP_IPI_ADDR_RUNLOCK();\\n\\t\\treturn (0);\\n\\t}\",\n \"\\tif (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {\\n\\t\\tLIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) {\\n\\t\\t\\tif ((loopback_scope == 0) &&\\n\\t\\t\\t SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) {\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\tLIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) {\\n\\t\\t\\t\\tif (sctp_is_addr_restricted(stcb, sctp_ifa) &&\\n\\t\\t\\t\\t (!sctp_is_addr_pending(stcb, sctp_ifa))) {\\n\\t\\t\\t\\t\\t/* We allow pending addresses, where we\\n\\t\\t\\t\\t\\t * have sent an asconf-add to be considered\\n\\t\\t\\t\\t\\t * valid.\\n\\t\\t\\t\\t\\t */\\n\\t\\t\\t\\t\\tcontinue;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tif (sctp_ifa->address.sa.sa_family != to->sa_family) {\\n\\t\\t\\t\\t\\tcontinue;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tswitch (sctp_ifa->address.sa.sa_family) {\\n#ifdef INET\\n\\t\\t\\t\\tcase AF_INET:\\n\\t\\t\\t\\t\\tif (ipv4_addr_legal) {\\n\\t\\t\\t\\t\\t\\tstruct sockaddr_in *sin, *rsin;\",\n \"\\t\\t\\t\\t\\t\\tsin = &sctp_ifa->address.sin;\\n\\t\\t\\t\\t\\t\\trsin = (struct sockaddr_in *)to;\\n\\t\\t\\t\\t\\t\\tif ((ipv4_local_scope == 0) &&\\n\\t\\t\\t\\t\\t\\t IN4_ISPRIVATE_ADDRESS(&sin->sin_addr)) {\\n\\t\\t\\t\\t\\t\\t\\tcontinue;\\n\\t\\t\\t\\t\\t\\t}\\n#if defined(__FreeBSD__)\\n\\t\\t\\t\\t\\t\\tif (prison_check_ip4(stcb->sctp_ep->ip_inp.inp.inp_cred,\\n\\t\\t\\t\\t\\t\\t &sin->sin_addr) != 0) {\\n\\t\\t\\t\\t\\t\\t\\tcontinue;\\n\\t\\t\\t\\t\\t\\t}\\n#endif\\n\\t\\t\\t\\t\\t\\tif (sin->sin_addr.s_addr == rsin->sin_addr.s_addr) {\\n\\t\\t\\t\\t\\t\\t\\tSCTP_IPI_ADDR_RUNLOCK();\\n\\t\\t\\t\\t\\t\\t\\treturn (1);\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tbreak;\\n#endif\\n#ifdef INET6\\n\\t\\t\\t\\tcase AF_INET6:\\n\\t\\t\\t\\t\\tif (ipv6_addr_legal) {\\n\\t\\t\\t\\t\\t\\tstruct sockaddr_in6 *sin6, *rsin6;\\n#if defined(SCTP_EMBEDDED_V6_SCOPE) && !defined(SCTP_KAME)\\n\\t\\t\\t\\t\\t\\tstruct sockaddr_in6 lsa6;\\n#endif\\n\\t\\t\\t\\t\\t\\tsin6 = &sctp_ifa->address.sin6;\\n\\t\\t\\t\\t\\t\\trsin6 = (struct sockaddr_in6 *)to;\\n#if defined(__FreeBSD__)\\n\\t\\t\\t\\t\\t\\tif (prison_check_ip6(stcb->sctp_ep->ip_inp.inp.inp_cred,\\n\\t\\t\\t\\t\\t\\t &sin6->sin6_addr) != 0) {\\n\\t\\t\\t\\t\\t\\t\\tcontinue;\\n\\t\\t\\t\\t\\t\\t}\\n#endif\\n\\t\\t\\t\\t\\t\\tif (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {\\n\\t\\t\\t\\t\\t\\t\\tif (local_scope == 0)\\n\\t\\t\\t\\t\\t\\t\\t\\tcontinue;\\n#if defined(SCTP_EMBEDDED_V6_SCOPE)\\n\\t\\t\\t\\t\\t\\t\\tif (sin6->sin6_scope_id == 0) {\\n#ifdef SCTP_KAME\\n\\t\\t\\t\\t\\t\\t\\t\\tif (sa6_recoverscope(sin6) != 0)\\n\\t\\t\\t\\t\\t\\t\\t\\t\\tcontinue;\\n#else\\n\\t\\t\\t\\t\\t\\t\\t\\tlsa6 = *sin6;\\n\\t\\t\\t\\t\\t\\t\\t\\tif (in6_recoverscope(&lsa6,\\n\\t\\t\\t\\t\\t\\t\\t\\t &lsa6.sin6_addr,\\n\\t\\t\\t\\t\\t\\t\\t\\t NULL))\\n\\t\\t\\t\\t\\t\\t\\t\\t\\tcontinue;\\n\\t\\t\\t\\t\\t\\t\\t\\tsin6 = &lsa6;\\n#endif /* SCTP_KAME */\\n\\t\\t\\t\\t\\t\\t\\t}\\n#endif /* SCTP_EMBEDDED_V6_SCOPE */\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t\\tif ((site_scope == 0) &&\\n\\t\\t\\t\\t\\t\\t (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) {\\n\\t\\t\\t\\t\\t\\t\\tcontinue;\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t\\tif (SCTP6_ARE_ADDR_EQUAL(sin6, rsin6)) {\\n\\t\\t\\t\\t\\t\\t\\tSCTP_IPI_ADDR_RUNLOCK();\\n\\t\\t\\t\\t\\t\\t\\treturn (1);\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tbreak;\\n#endif\\n#if defined(__Userspace__)\\n\\t\\t\\t\\tcase AF_CONN:\\n\\t\\t\\t\\t\\tif (conn_addr_legal) {\\n\\t\\t\\t\\t\\t\\tstruct sockaddr_conn *sconn, *rsconn;\",\n \"\\t\\t\\t\\t\\t\\tsconn = &sctp_ifa->address.sconn;\\n\\t\\t\\t\\t\\t\\trsconn = (struct sockaddr_conn *)to;\\n\\t\\t\\t\\t\\t\\tif (sconn->sconn_addr == rsconn->sconn_addr) {\\n\\t\\t\\t\\t\\t\\t\\tSCTP_IPI_ADDR_RUNLOCK();\\n\\t\\t\\t\\t\\t\\t\\treturn (1);\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tbreak;\\n#endif\\n\\t\\t\\t\\tdefault:\\n\\t\\t\\t\\t\\t/* TSNH */\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t}\\n\\t} else {\\n\\t\\tstruct sctp_laddr *laddr;\",\n \"\\t\\tLIST_FOREACH(laddr, &stcb->sctp_ep->sctp_addr_list, sctp_nxt_addr) {\\n\\t\\t\\tif (laddr->ifa->localifa_flags & SCTP_BEING_DELETED) {\\n\\t\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB1, \\\"ifa being deleted\\\\n\\\");\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\tif (sctp_is_addr_restricted(stcb, laddr->ifa) &&\\n\\t\\t\\t (!sctp_is_addr_pending(stcb, laddr->ifa))) {\\n\\t\\t\\t\\t/* We allow pending addresses, where we\\n\\t\\t\\t\\t * have sent an asconf-add to be considered\\n\\t\\t\\t\\t * valid.\\n\\t\\t\\t\\t */\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\tif (laddr->ifa->address.sa.sa_family != to->sa_family) {\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\tswitch (to->sa_family) {\\n#ifdef INET\\n\\t\\t\\tcase AF_INET:\\n\\t\\t\\t{\\n\\t\\t\\t\\tstruct sockaddr_in *sin, *rsin;\",\n \"\\t\\t\\t\\tsin = &laddr->ifa->address.sin;\\n\\t\\t\\t\\trsin = (struct sockaddr_in *)to;\\n\\t\\t\\t\\tif (sin->sin_addr.s_addr == rsin->sin_addr.s_addr) {\\n\\t\\t\\t\\t\\tSCTP_IPI_ADDR_RUNLOCK();\\n\\t\\t\\t\\t\\treturn (1);\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n#endif\\n#ifdef INET6\\n\\t\\t\\tcase AF_INET6:\\n\\t\\t\\t{\\n\\t\\t\\t\\tstruct sockaddr_in6 *sin6, *rsin6;\",\n \"\\t\\t\\t\\tsin6 = &laddr->ifa->address.sin6;\\n\\t\\t\\t\\trsin6 = (struct sockaddr_in6 *)to;\\n\\t\\t\\t\\tif (SCTP6_ARE_ADDR_EQUAL(sin6, rsin6)) {\\n\\t\\t\\t\\t\\tSCTP_IPI_ADDR_RUNLOCK();\\n\\t\\t\\t\\t\\treturn (1);\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\",\n \"#endif\\n#if defined(__Userspace__)\\n\\t\\t\\tcase AF_CONN:\\n\\t\\t\\t{\\n\\t\\t\\t\\tstruct sockaddr_conn *sconn, *rsconn;\",\n \"\\t\\t\\t\\tsconn = &laddr->ifa->address.sconn;\\n\\t\\t\\t\\trsconn = (struct sockaddr_conn *)to;\\n\\t\\t\\t\\tif (sconn->sconn_addr == rsconn->sconn_addr) {\\n\\t\\t\\t\\t\\tSCTP_IPI_ADDR_RUNLOCK();\\n\\t\\t\\t\\t\\treturn (1);\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n#endif\\n\\t\\t\\tdefault:\\n\\t\\t\\t\\t/* TSNH */\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\",\n \"\\t\\t}\\n\\t}\\n\\tSCTP_IPI_ADDR_RUNLOCK();\\n\\treturn (0);\\n}\",\n \"\\nstatic struct sctp_tcb *\\nsctp_tcb_special_locate(struct sctp_inpcb **inp_p, struct sockaddr *from,\\n struct sockaddr *to, struct sctp_nets **netp, uint32_t vrf_id)\\n{\\n\\t/**** ASSUMES THE CALLER holds the INP_INFO_RLOCK */\\n\\t/*\\n\\t * If we support the TCP model, then we must now dig through to see\\n\\t * if we can find our endpoint in the list of tcp ep's.\\n\\t */\\n\\tuint16_t lport, rport;\\n\\tstruct sctppcbhead *ephead;\\n\\tstruct sctp_inpcb *inp;\\n\\tstruct sctp_laddr *laddr;\\n\\tstruct sctp_tcb *stcb;\\n\\tstruct sctp_nets *net;\\n#ifdef SCTP_MVRF\\n\\tint fnd, i;\\n#endif\",\n \"\\tif ((to == NULL) || (from == NULL)) {\\n\\t\\treturn (NULL);\\n\\t}\",\n \"\\tswitch (to->sa_family) {\\n#ifdef INET\\n\\tcase AF_INET:\\n\\t\\tif (from->sa_family == AF_INET) {\\n\\t\\t\\tlport = ((struct sockaddr_in *)to)->sin_port;\\n\\t\\t\\trport = ((struct sockaddr_in *)from)->sin_port;\\n\\t\\t} else {\\n\\t\\t\\treturn (NULL);\\n\\t\\t}\\n\\t\\tbreak;\\n#endif\\n#ifdef INET6\\n\\tcase AF_INET6:\\n\\t\\tif (from->sa_family == AF_INET6) {\\n\\t\\t\\tlport = ((struct sockaddr_in6 *)to)->sin6_port;\\n\\t\\t\\trport = ((struct sockaddr_in6 *)from)->sin6_port;\\n\\t\\t} else {\\n\\t\\t\\treturn (NULL);\\n\\t\\t}\\n\\t\\tbreak;\\n#endif\\n#if defined(__Userspace__)\\n\\tcase AF_CONN:\\n\\t\\tif (from->sa_family == AF_CONN) {\\n\\t\\t\\tlport = ((struct sockaddr_conn *)to)->sconn_port;\\n\\t\\t\\trport = ((struct sockaddr_conn *)from)->sconn_port;\\n\\t\\t} else {\\n\\t\\t\\treturn (NULL);\\n\\t\\t}\\n\\t\\tbreak;\\n#endif\\n\\tdefault:\\n\\t\\treturn (NULL);\\n\\t}\\n\\tephead = &SCTP_BASE_INFO(sctp_tcpephash)[SCTP_PCBHASH_ALLADDR((lport | rport), SCTP_BASE_INFO(hashtcpmark))];\\n\\t/*\\n\\t * Ok now for each of the guys in this bucket we must look and see:\\n\\t * - Does the remote port match. - Does there single association's\\n\\t * addresses match this address (to). If so we update p_ep to point\\n\\t * to this ep and return the tcb from it.\\n\\t */\\n\\tLIST_FOREACH(inp, ephead, sctp_hash) {\\n\\t\\tSCTP_INP_RLOCK(inp);\\n\\t\\tif (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {\\n\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\tif (lport != inp->sctp_lport) {\\n\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n#if defined(__FreeBSD__)\\n\\t\\tswitch (to->sa_family) {\\n#ifdef INET\\n\\t\\tcase AF_INET:\\n\\t\\t{\\n\\t\\t\\tstruct sockaddr_in *sin;\",\n \"\\t\\t\\tsin = (struct sockaddr_in *)to;\\n\\t\\t\\tif (prison_check_ip4(inp->ip_inp.inp.inp_cred,\\n\\t\\t\\t &sin->sin_addr) != 0) {\\n\\t\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\tbreak;\\n\\t\\t}\\n#endif\\n#ifdef INET6\\n\\t\\tcase AF_INET6:\\n\\t\\t{\\n\\t\\t\\tstruct sockaddr_in6 *sin6;\",\n \"\\t\\t\\tsin6 = (struct sockaddr_in6 *)to;\\n\\t\\t\\tif (prison_check_ip6(inp->ip_inp.inp.inp_cred,\\n\\t\\t\\t &sin6->sin6_addr) != 0) {\\n\\t\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\tbreak;\\n\\t\\t}\\n#endif\\n\\t\\tdefault:\\n\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n#endif\\n#ifdef SCTP_MVRF\\n\\t\\tfnd = 0;\\n\\t\\tfor (i = 0; i < inp->num_vrfs; i++) {\\n\\t\\t\\tif (inp->m_vrf_ids[i] == vrf_id) {\\n\\t\\t\\t\\tfnd = 1;\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\tif (fnd == 0) {\\n\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n#else\\n\\t\\tif (inp->def_vrf_id != vrf_id) {\\n\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n#endif\\n\\t\\t/* check to see if the ep has one of the addresses */\\n\\t\\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) {\\n\\t\\t\\t/* We are NOT bound all, so look further */\\n\\t\\t\\tint match = 0;\",\n \"\\t\\t\\tLIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {\",\n \"\\t\\t\\t\\tif (laddr->ifa == NULL) {\\n\\t\\t\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB1, \\\"%s: NULL ifa\\\\n\\\", __func__);\\n\\t\\t\\t\\t\\tcontinue;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tif (laddr->ifa->localifa_flags & SCTP_BEING_DELETED) {\\n\\t\\t\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB1, \\\"ifa being deleted\\\\n\\\");\\n\\t\\t\\t\\t\\tcontinue;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tif (laddr->ifa->address.sa.sa_family ==\\n\\t\\t\\t\\t to->sa_family) {\\n\\t\\t\\t\\t\\t/* see if it matches */\\n#ifdef INET\\n\\t\\t\\t\\t\\tif (from->sa_family == AF_INET) {\\n\\t\\t\\t\\t\\t\\tstruct sockaddr_in *intf_addr, *sin;\",\n \"\\t\\t\\t\\t\\t\\tintf_addr = &laddr->ifa->address.sin;\\n\\t\\t\\t\\t\\t\\tsin = (struct sockaddr_in *)to;\\n\\t\\t\\t\\t\\t\\tif (sin->sin_addr.s_addr ==\\n\\t\\t\\t\\t\\t\\t intf_addr->sin_addr.s_addr) {\\n\\t\\t\\t\\t\\t\\t\\tmatch = 1;\\n\\t\\t\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t}\\n#endif\\n#ifdef INET6\\n\\t\\t\\t\\t\\tif (from->sa_family == AF_INET6) {\\n\\t\\t\\t\\t\\t\\tstruct sockaddr_in6 *intf_addr6;\\n\\t\\t\\t\\t\\t\\tstruct sockaddr_in6 *sin6;\",\n \"\\t\\t\\t\\t\\t\\tsin6 = (struct sockaddr_in6 *)\\n\\t\\t\\t\\t\\t\\t to;\\n\\t\\t\\t\\t\\t\\tintf_addr6 = &laddr->ifa->address.sin6;\",\n \"\\t\\t\\t\\t\\t\\tif (SCTP6_ARE_ADDR_EQUAL(sin6,\\n\\t\\t\\t\\t\\t\\t intf_addr6)) {\\n\\t\\t\\t\\t\\t\\t\\tmatch = 1;\\n\\t\\t\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t}\\n#endif\\n#if defined(__Userspace__)\\n\\t\\t\\t\\t\\tif (from->sa_family == AF_CONN) {\\n\\t\\t\\t\\t\\t\\tstruct sockaddr_conn *intf_addr, *sconn;\",\n \"\\t\\t\\t\\t\\t\\tintf_addr = &laddr->ifa->address.sconn;\\n\\t\\t\\t\\t\\t\\tsconn = (struct sockaddr_conn *)to;\\n\\t\\t\\t\\t\\t\\tif (sconn->sconn_addr ==\\n\\t\\t\\t\\t\\t\\t intf_addr->sconn_addr) {\\n\\t\\t\\t\\t\\t\\t\\tmatch = 1;\\n\\t\\t\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t}\\n#endif\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t\\tif (match == 0) {\\n\\t\\t\\t\\t/* This endpoint does not have this address */\\n\\t\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\t/*\\n\\t\\t * Ok if we hit here the ep has the address, does it hold\\n\\t\\t * the tcb?\\n\\t\\t */\\n\\t\\t/* XXX: Why don't we TAILQ_FOREACH through sctp_asoc_list? */\\n\\t\\tstcb = LIST_FIRST(&inp->sctp_asoc_list);\\n\\t\\tif (stcb == NULL) {\\n\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\tSCTP_TCB_LOCK(stcb);\\n\\t\\tif (!sctp_does_stcb_own_this_addr(stcb, to)) {\\n\\t\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\tif (stcb->rport != rport) {\\n\\t\\t\\t/* remote port does not match. */\\n\\t\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\tif (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {\\n\\t\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\tif (!sctp_does_stcb_own_this_addr(stcb, to)) {\\n\\t\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\t/* Does this TCB have a matching address? */\\n\\t\\tTAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {\",\n \"\\t\\t\\tif (net->ro._l_addr.sa.sa_family != from->sa_family) {\\n\\t\\t\\t\\t/* not the same family, can't be a match */\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\tswitch (from->sa_family) {\\n#ifdef INET\\n\\t\\t\\tcase AF_INET:\\n\\t\\t\\t{\\n\\t\\t\\t\\tstruct sockaddr_in *sin, *rsin;\",\n \"\\t\\t\\t\\tsin = (struct sockaddr_in *)&net->ro._l_addr;\\n\\t\\t\\t\\trsin = (struct sockaddr_in *)from;\\n\\t\\t\\t\\tif (sin->sin_addr.s_addr ==\\n\\t\\t\\t\\t rsin->sin_addr.s_addr) {\\n\\t\\t\\t\\t\\t/* found it */\\n\\t\\t\\t\\t\\tif (netp != NULL) {\\n\\t\\t\\t\\t\\t\\t*netp = net;\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t/* Update the endpoint pointer */\\n\\t\\t\\t\\t\\t*inp_p = inp;\\n\\t\\t\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\t\\t\\treturn (stcb);\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n#endif\\n#ifdef INET6\\n\\t\\t\\tcase AF_INET6:\\n\\t\\t\\t{\\n\\t\\t\\t\\tstruct sockaddr_in6 *sin6, *rsin6;\",\n \"\\t\\t\\t\\tsin6 = (struct sockaddr_in6 *)&net->ro._l_addr;\\n\\t\\t\\t\\trsin6 = (struct sockaddr_in6 *)from;\\n\\t\\t\\t\\tif (SCTP6_ARE_ADDR_EQUAL(sin6,\\n\\t\\t\\t\\t rsin6)) {\\n\\t\\t\\t\\t\\t/* found it */\\n\\t\\t\\t\\t\\tif (netp != NULL) {\\n\\t\\t\\t\\t\\t\\t*netp = net;\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t/* Update the endpoint pointer */\\n\\t\\t\\t\\t\\t*inp_p = inp;\\n\\t\\t\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\t\\t\\treturn (stcb);\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n#endif\\n#if defined(__Userspace__)\\n\\t\\t\\tcase AF_CONN:\\n\\t\\t\\t{\\n\\t\\t\\t\\tstruct sockaddr_conn *sconn, *rsconn;\",\n \"\\t\\t\\t\\tsconn = (struct sockaddr_conn *)&net->ro._l_addr;\\n\\t\\t\\t\\trsconn = (struct sockaddr_conn *)from;\\n\\t\\t\\t\\tif (sconn->sconn_addr == rsconn->sconn_addr) {\\n\\t\\t\\t\\t\\t/* found it */\\n\\t\\t\\t\\t\\tif (netp != NULL) {\\n\\t\\t\\t\\t\\t\\t*netp = net;\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t/* Update the endpoint pointer */\\n\\t\\t\\t\\t\\t*inp_p = inp;\\n\\t\\t\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\t\\t\\treturn (stcb);\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n#endif\\n\\t\\t\\tdefault:\\n\\t\\t\\t\\t/* TSNH */\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t}\\n\\treturn (NULL);\\n}\",\n \"\\n/*\\n * rules for use\\n *\\n * 1) If I return a NULL you must decrement any INP ref cnt. 2) If I find an\\n * stcb, both will be locked (locked_tcb and stcb) but decrement will be done\\n * (if locked == NULL). 3) Decrement happens on return ONLY if locked ==\\n * NULL.\\n */\",\n \"struct sctp_tcb *\\nsctp_findassociation_ep_addr(struct sctp_inpcb **inp_p, struct sockaddr *remote,\\n struct sctp_nets **netp, struct sockaddr *local, struct sctp_tcb *locked_tcb)\\n{\\n\\tstruct sctpasochead *head;\\n\\tstruct sctp_inpcb *inp;\\n\\tstruct sctp_tcb *stcb = NULL;\\n\\tstruct sctp_nets *net;\\n\\tuint16_t rport;\",\n \"\\tinp = *inp_p;\\n\\tswitch (remote->sa_family) {\\n#ifdef INET\\n\\tcase AF_INET:\\n\\t\\trport = (((struct sockaddr_in *)remote)->sin_port);\\n\\t\\tbreak;\\n#endif\\n#ifdef INET6\\n\\tcase AF_INET6:\\n\\t\\trport = (((struct sockaddr_in6 *)remote)->sin6_port);\\n\\t\\tbreak;\\n#endif\\n#if defined(__Userspace__)\\n\\tcase AF_CONN:\\n\\t\\trport = (((struct sockaddr_conn *)remote)->sconn_port);\\n\\t\\tbreak;\\n#endif\\n\\tdefault:\\n\\t\\treturn (NULL);\\n\\t}\\n\\tif (locked_tcb) {\\n\\t\\t/*\\n\\t\\t * UN-lock so we can do proper locking here this occurs when\\n\\t\\t * called from load_addresses_from_init.\\n\\t\\t */\\n\\t\\tatomic_add_int(&locked_tcb->asoc.refcnt, 1);\\n\\t\\tSCTP_TCB_UNLOCK(locked_tcb);\\n\\t}\\n\\tSCTP_INP_INFO_RLOCK();\\n\\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\\n\\t (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {\\n\\t\\t/*-\\n\\t\\t * Now either this guy is our listener or it's the\\n\\t\\t * connector. If it is the one that issued the connect, then\\n\\t\\t * it's only chance is to be the first TCB in the list. If\\n\\t\\t * it is the acceptor, then do the special_lookup to hash\\n\\t\\t * and find the real inp.\\n\\t\\t */\\n\\t\\tif ((inp->sctp_socket) && SCTP_IS_LISTENING(inp)) {\\n\\t\\t\\t/* to is peer addr, from is my addr */\\n#ifndef SCTP_MVRF\\n\\t\\t\\tstcb = sctp_tcb_special_locate(inp_p, remote, local,\\n\\t\\t\\t netp, inp->def_vrf_id);\\n\\t\\t\\tif ((stcb != NULL) && (locked_tcb == NULL)) {\\n\\t\\t\\t\\t/* we have a locked tcb, lower refcount */\\n\\t\\t\\t\\tSCTP_INP_DECR_REF(inp);\\n\\t\\t\\t}\\n\\t\\t\\tif ((locked_tcb != NULL) && (locked_tcb != stcb)) {\\n\\t\\t\\t\\tSCTP_INP_RLOCK(locked_tcb->sctp_ep);\\n\\t\\t\\t\\tSCTP_TCB_LOCK(locked_tcb);\\n\\t\\t\\t\\tatomic_subtract_int(&locked_tcb->asoc.refcnt, 1);\\n\\t\\t\\t\\tSCTP_INP_RUNLOCK(locked_tcb->sctp_ep);\\n\\t\\t\\t}\\n#else\\n\\t\\t\\t/*-\\n\\t\\t\\t * MVRF is tricky, we must look in every VRF\\n\\t\\t\\t * the endpoint has.\\n\\t\\t\\t */\\n\\t\\t\\tint i;\",\n \"\\t\\t\\tfor (i = 0; i < inp->num_vrfs; i++) {\\n\\t\\t\\t\\tstcb = sctp_tcb_special_locate(inp_p, remote, local,\\n\\t\\t\\t\\t netp, inp->m_vrf_ids[i]);\\n\\t\\t\\t\\tif ((stcb != NULL) && (locked_tcb == NULL)) {\\n\\t\\t\\t\\t\\t/* we have a locked tcb, lower refcount */\\n\\t\\t\\t\\t\\tSCTP_INP_DECR_REF(inp);\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tif ((locked_tcb != NULL) && (locked_tcb != stcb)) {\\n\\t\\t\\t\\t\\tSCTP_INP_RLOCK(locked_tcb->sctp_ep);\\n\\t\\t\\t\\t\\tSCTP_TCB_LOCK(locked_tcb);\\n\\t\\t\\t\\t\\tatomic_subtract_int(&locked_tcb->asoc.refcnt, 1);\\n\\t\\t\\t\\t\\tSCTP_INP_RUNLOCK(locked_tcb->sctp_ep);\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n#endif\\n\\t\\t\\tSCTP_INP_INFO_RUNLOCK();\\n\\t\\t\\treturn (stcb);\\n\\t\\t} else {\\n\\t\\t\\tSCTP_INP_WLOCK(inp);\\n\\t\\t\\tif (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {\\n\\t\\t\\t\\tgoto null_return;\\n\\t\\t\\t}\\n\\t\\t\\tstcb = LIST_FIRST(&inp->sctp_asoc_list);\\n\\t\\t\\tif (stcb == NULL) {\\n\\t\\t\\t\\tgoto null_return;\\n\\t\\t\\t}\\n\\t\\t\\tSCTP_TCB_LOCK(stcb);\",\n \"\\t\\t\\tif (stcb->rport != rport) {\\n\\t\\t\\t\\t/* remote port does not match. */\\n\\t\\t\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t\\t\\t\\tgoto null_return;\\n\\t\\t\\t}\\n\\t\\t\\tif (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {\\n\\t\\t\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t\\t\\t\\tgoto null_return;\\n\\t\\t\\t}\\n\\t\\t\\tif (local && !sctp_does_stcb_own_this_addr(stcb, local)) {\\n\\t\\t\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t\\t\\t\\tgoto null_return;\\n\\t\\t\\t}\\n\\t\\t\\t/* now look at the list of remote addresses */\\n\\t\\t\\tTAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {\\n#ifdef INVARIANTS\\n\\t\\t\\t\\tif (net == (TAILQ_NEXT(net, sctp_next))) {\\n\\t\\t\\t\\t\\tpanic(\\\"Corrupt net list\\\");\\n\\t\\t\\t\\t}\\n#endif\\n\\t\\t\\t\\tif (net->ro._l_addr.sa.sa_family !=\\n\\t\\t\\t\\t remote->sa_family) {\\n\\t\\t\\t\\t\\t/* not the same family */\\n\\t\\t\\t\\t\\tcontinue;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tswitch (remote->sa_family) {\\n#ifdef INET\\n\\t\\t\\t\\tcase AF_INET:\\n\\t\\t\\t\\t{\\n\\t\\t\\t\\t\\tstruct sockaddr_in *sin, *rsin;\",\n \"\\t\\t\\t\\t\\tsin = (struct sockaddr_in *)\\n\\t\\t\\t\\t\\t &net->ro._l_addr;\\n\\t\\t\\t\\t\\trsin = (struct sockaddr_in *)remote;\\n\\t\\t\\t\\t\\tif (sin->sin_addr.s_addr ==\\n\\t\\t\\t\\t\\t rsin->sin_addr.s_addr) {\\n\\t\\t\\t\\t\\t\\t/* found it */\\n\\t\\t\\t\\t\\t\\tif (netp != NULL) {\\n\\t\\t\\t\\t\\t\\t\\t*netp = net;\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t\\tif (locked_tcb == NULL) {\\n\\t\\t\\t\\t\\t\\t\\tSCTP_INP_DECR_REF(inp);\\n\\t\\t\\t\\t\\t\\t} else if (locked_tcb != stcb) {\\n\\t\\t\\t\\t\\t\\t\\tSCTP_TCB_LOCK(locked_tcb);\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t\\tif (locked_tcb) {\\n\\t\\t\\t\\t\\t\\t\\tatomic_subtract_int(&locked_tcb->asoc.refcnt, 1);\\n\\t\\t\\t\\t\\t\\t}\",\n \"\\t\\t\\t\\t\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t\\t\\t\\t\\t\\tSCTP_INP_INFO_RUNLOCK();\\n\\t\\t\\t\\t\\t\\treturn (stcb);\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\t}\\n#endif\\n#ifdef INET6\\n\\t\\t\\t\\tcase AF_INET6:\\n\\t\\t\\t\\t{\\n\\t\\t\\t\\t\\tstruct sockaddr_in6 *sin6, *rsin6;\",\n \"\\t\\t\\t\\t\\tsin6 = (struct sockaddr_in6 *)&net->ro._l_addr;\\n\\t\\t\\t\\t\\trsin6 = (struct sockaddr_in6 *)remote;\\n\\t\\t\\t\\t\\tif (SCTP6_ARE_ADDR_EQUAL(sin6,\\n\\t\\t\\t\\t\\t rsin6)) {\\n\\t\\t\\t\\t\\t\\t/* found it */\\n\\t\\t\\t\\t\\t\\tif (netp != NULL) {\\n\\t\\t\\t\\t\\t\\t\\t*netp = net;\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t\\tif (locked_tcb == NULL) {\\n\\t\\t\\t\\t\\t\\t\\tSCTP_INP_DECR_REF(inp);\\n\\t\\t\\t\\t\\t\\t} else if (locked_tcb != stcb) {\\n\\t\\t\\t\\t\\t\\t\\tSCTP_TCB_LOCK(locked_tcb);\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t\\tif (locked_tcb) {\\n\\t\\t\\t\\t\\t\\t\\tatomic_subtract_int(&locked_tcb->asoc.refcnt, 1);\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t\\t\\t\\t\\t\\tSCTP_INP_INFO_RUNLOCK();\\n\\t\\t\\t\\t\\t\\treturn (stcb);\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\t}\\n#endif\\n#if defined(__Userspace__)\\n\\t\\t\\t\\tcase AF_CONN:\\n\\t\\t\\t\\t{\\n\\t\\t\\t\\t\\tstruct sockaddr_conn *sconn, *rsconn;\",\n \"\\t\\t\\t\\t\\tsconn = (struct sockaddr_conn *)&net->ro._l_addr;\\n\\t\\t\\t\\t\\trsconn = (struct sockaddr_conn *)remote;\\n\\t\\t\\t\\t\\tif (sconn->sconn_addr == rsconn->sconn_addr) {\\n\\t\\t\\t\\t\\t\\t/* found it */\\n\\t\\t\\t\\t\\t\\tif (netp != NULL) {\\n\\t\\t\\t\\t\\t\\t\\t*netp = net;\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t\\tif (locked_tcb == NULL) {\\n\\t\\t\\t\\t\\t\\t\\tSCTP_INP_DECR_REF(inp);\\n\\t\\t\\t\\t\\t\\t} else if (locked_tcb != stcb) {\\n\\t\\t\\t\\t\\t\\t\\tSCTP_TCB_LOCK(locked_tcb);\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t\\tif (locked_tcb) {\\n\\t\\t\\t\\t\\t\\t\\tatomic_subtract_int(&locked_tcb->asoc.refcnt, 1);\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t\\t\\t\\t\\t\\tSCTP_INP_INFO_RUNLOCK();\\n\\t\\t\\t\\t\\t\\treturn (stcb);\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\t}\\n#endif\\n\\t\\t\\t\\tdefault:\\n\\t\\t\\t\\t\\t/* TSNH */\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t\\t}\\n\\t} else {\\n\\t\\tSCTP_INP_WLOCK(inp);\\n\\t\\tif (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {\\n\\t\\t\\tgoto null_return;\\n\\t\\t}\\n\\t\\thead = &inp->sctp_tcbhash[SCTP_PCBHASH_ALLADDR(rport,\\n\\t\\t inp->sctp_hashmark)];\\n\\t\\tLIST_FOREACH(stcb, head, sctp_tcbhash) {\\n\\t\\t\\tif (stcb->rport != rport) {\\n\\t\\t\\t\\t/* remote port does not match */\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\tSCTP_TCB_LOCK(stcb);\\n\\t\\t\\tif (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {\\n\\t\\t\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\tif (local && !sctp_does_stcb_own_this_addr(stcb, local)) {\\n\\t\\t\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\t/* now look at the list of remote addresses */\\n\\t\\t\\tTAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {\\n#ifdef INVARIANTS\\n\\t\\t\\t\\tif (net == (TAILQ_NEXT(net, sctp_next))) {\\n\\t\\t\\t\\t\\tpanic(\\\"Corrupt net list\\\");\\n\\t\\t\\t\\t}\\n#endif\\n\\t\\t\\t\\tif (net->ro._l_addr.sa.sa_family !=\\n\\t\\t\\t\\t remote->sa_family) {\\n\\t\\t\\t\\t\\t/* not the same family */\\n\\t\\t\\t\\t\\tcontinue;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tswitch (remote->sa_family) {\\n#ifdef INET\\n\\t\\t\\t\\tcase AF_INET:\\n\\t\\t\\t\\t{\\n\\t\\t\\t\\t\\tstruct sockaddr_in *sin, *rsin;\",\n \"\\t\\t\\t\\t\\tsin = (struct sockaddr_in *)\\n\\t\\t\\t\\t\\t &net->ro._l_addr;\\n\\t\\t\\t\\t\\trsin = (struct sockaddr_in *)remote;\\n\\t\\t\\t\\t\\tif (sin->sin_addr.s_addr ==\\n\\t\\t\\t\\t\\t rsin->sin_addr.s_addr) {\\n\\t\\t\\t\\t\\t\\t/* found it */\\n\\t\\t\\t\\t\\t\\tif (netp != NULL) {\\n\\t\\t\\t\\t\\t\\t\\t*netp = net;\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t\\tif (locked_tcb == NULL) {\\n\\t\\t\\t\\t\\t\\t\\tSCTP_INP_DECR_REF(inp);\\n\\t\\t\\t\\t\\t\\t} else if (locked_tcb != stcb) {\\n\\t\\t\\t\\t\\t\\t\\tSCTP_TCB_LOCK(locked_tcb);\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t\\tif (locked_tcb) {\\n\\t\\t\\t\\t\\t\\t\\tatomic_subtract_int(&locked_tcb->asoc.refcnt, 1);\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t\\t\\t\\t\\t\\tSCTP_INP_INFO_RUNLOCK();\\n\\t\\t\\t\\t\\t\\treturn (stcb);\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\t}\\n#endif\\n#ifdef INET6\\n\\t\\t\\t\\tcase AF_INET6:\\n\\t\\t\\t\\t{\\n\\t\\t\\t\\t\\tstruct sockaddr_in6 *sin6, *rsin6;\",\n \"\\t\\t\\t\\t\\tsin6 = (struct sockaddr_in6 *)\\n\\t\\t\\t\\t\\t &net->ro._l_addr;\\n\\t\\t\\t\\t\\trsin6 = (struct sockaddr_in6 *)remote;\\n\\t\\t\\t\\t\\tif (SCTP6_ARE_ADDR_EQUAL(sin6,\\n\\t\\t\\t\\t\\t rsin6)) {\\n\\t\\t\\t\\t\\t\\t/* found it */\\n\\t\\t\\t\\t\\t\\tif (netp != NULL) {\\n\\t\\t\\t\\t\\t\\t\\t*netp = net;\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t\\tif (locked_tcb == NULL) {\\n\\t\\t\\t\\t\\t\\t\\tSCTP_INP_DECR_REF(inp);\\n\\t\\t\\t\\t\\t\\t} else if (locked_tcb != stcb) {\\n\\t\\t\\t\\t\\t\\t\\tSCTP_TCB_LOCK(locked_tcb);\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t\\tif (locked_tcb) {\\n\\t\\t\\t\\t\\t\\t\\tatomic_subtract_int(&locked_tcb->asoc.refcnt, 1);\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t\\t\\t\\t\\t\\tSCTP_INP_INFO_RUNLOCK();\\n\\t\\t\\t\\t\\t\\treturn (stcb);\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\t}\\n#endif\\n#if defined(__Userspace__)\\n\\t\\t\\t\\tcase AF_CONN:\\n\\t\\t\\t\\t{\\n\\t\\t\\t\\t\\tstruct sockaddr_conn *sconn, *rsconn;\",\n \"\\t\\t\\t\\t\\tsconn = (struct sockaddr_conn *)&net->ro._l_addr;\\n\\t\\t\\t\\t\\trsconn = (struct sockaddr_conn *)remote;\\n\\t\\t\\t\\t\\tif (sconn->sconn_addr == rsconn->sconn_addr) {\\n\\t\\t\\t\\t\\t\\t/* found it */\\n\\t\\t\\t\\t\\t\\tif (netp != NULL) {\\n\\t\\t\\t\\t\\t\\t\\t*netp = net;\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t\\tif (locked_tcb == NULL) {\\n\\t\\t\\t\\t\\t\\t\\tSCTP_INP_DECR_REF(inp);\\n\\t\\t\\t\\t\\t\\t} else if (locked_tcb != stcb) {\\n\\t\\t\\t\\t\\t\\t\\tSCTP_TCB_LOCK(locked_tcb);\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t\\tif (locked_tcb) {\\n\\t\\t\\t\\t\\t\\t\\tatomic_subtract_int(&locked_tcb->asoc.refcnt, 1);\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t\\t\\t\\t\\t\\tSCTP_INP_INFO_RUNLOCK();\\n\\t\\t\\t\\t\\t\\treturn (stcb);\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\t}\\n#endif\\n\\t\\t\\t\\tdefault:\\n\\t\\t\\t\\t\\t/* TSNH */\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t\\t}\\n\\t}\\nnull_return:\\n\\t/* clean up for returning null */\\n\\tif (locked_tcb) {\\n\\t\\tSCTP_TCB_LOCK(locked_tcb);\\n\\t\\tatomic_subtract_int(&locked_tcb->asoc.refcnt, 1);\\n\\t}\\n\\tSCTP_INP_WUNLOCK(inp);\\n\\tSCTP_INP_INFO_RUNLOCK();\\n\\t/* not found */\\n\\treturn (NULL);\\n}\",\n \"\\n/*\\n * Find an association for a specific endpoint using the association id given\\n * out in the COMM_UP notification\\n */\\nstruct sctp_tcb *\\nsctp_findasoc_ep_asocid_locked(struct sctp_inpcb *inp, sctp_assoc_t asoc_id, int want_lock)\\n{\\n\\t/*\\n\\t * Use my the assoc_id to find a endpoint\\n\\t */\\n\\tstruct sctpasochead *head;\\n\\tstruct sctp_tcb *stcb;\\n\\tuint32_t id;\",\n \"\\tif (inp == NULL) {\\n\\t\\tSCTP_PRINTF(\\\"TSNH ep_associd\\\\n\\\");\\n\\t\\treturn (NULL);\\n\\t}\\n\\tif (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {\\n\\t\\tSCTP_PRINTF(\\\"TSNH ep_associd0\\\\n\\\");\\n\\t\\treturn (NULL);\\n\\t}\\n\\tid = (uint32_t)asoc_id;\\n\\thead = &inp->sctp_asocidhash[SCTP_PCBHASH_ASOC(id, inp->hashasocidmark)];\\n\\tif (head == NULL) {\\n\\t\\t/* invalid id TSNH */\\n\\t\\tSCTP_PRINTF(\\\"TSNH ep_associd1\\\\n\\\");\\n\\t\\treturn (NULL);\\n\\t}\\n\\tLIST_FOREACH(stcb, head, sctp_tcbasocidhash) {\\n\\t\\tif (stcb->asoc.assoc_id == id) {\\n\\t\\t\\tif (inp != stcb->sctp_ep) {\\n\\t\\t\\t\\t/*\\n\\t\\t\\t\\t * some other guy has the same id active (id\\n\\t\\t\\t\\t * collision ??).\\n\\t\\t\\t\\t */\\n\\t\\t\\t\\tSCTP_PRINTF(\\\"TSNH ep_associd2\\\\n\\\");\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\tif (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\tif (want_lock) {\\n\\t\\t\\t\\tSCTP_TCB_LOCK(stcb);\\n\\t\\t\\t}\\n\\t\\t\\treturn (stcb);\\n\\t\\t}\\n\\t}\\n\\treturn (NULL);\\n}\",\n \"\\nstruct sctp_tcb *\\nsctp_findassociation_ep_asocid(struct sctp_inpcb *inp, sctp_assoc_t asoc_id, int want_lock)\\n{\\n\\tstruct sctp_tcb *stcb;\",\n \"\\tSCTP_INP_RLOCK(inp);\\n\\tstcb = sctp_findasoc_ep_asocid_locked(inp, asoc_id, want_lock);\\n\\tSCTP_INP_RUNLOCK(inp);\\n\\treturn (stcb);\\n}\",\n \"\\n/*\\n * Endpoint probe expects that the INP_INFO is locked.\\n */\\nstatic struct sctp_inpcb *\\nsctp_endpoint_probe(struct sockaddr *nam, struct sctppcbhead *head,\\n\\t\\t uint16_t lport, uint32_t vrf_id)\\n{\\n\\tstruct sctp_inpcb *inp;\\n\\tstruct sctp_laddr *laddr;\\n#ifdef INET\\n\\tstruct sockaddr_in *sin;\\n#endif\\n#ifdef INET6\\n\\tstruct sockaddr_in6 *sin6;\\n\\tstruct sockaddr_in6 *intf_addr6;\\n#endif\\n#if defined(__Userspace__)\\n\\tstruct sockaddr_conn *sconn;\\n#endif\\n#ifdef SCTP_MVRF\\n\\tint i;\\n#endif\\n\\tint fnd;\",\n \"#ifdef INET\\n\\tsin = NULL;\\n#endif\\n#ifdef INET6\\n\\tsin6 = NULL;\\n#endif\\n#if defined(__Userspace__)\\n\\tsconn = NULL;\\n#endif\\n\\tswitch (nam->sa_family) {\\n#ifdef INET\\n\\tcase AF_INET:\\n\\t\\tsin = (struct sockaddr_in *)nam;\\n\\t\\tbreak;\\n#endif\\n#ifdef INET6\\n\\tcase AF_INET6:\\n\\t\\tsin6 = (struct sockaddr_in6 *)nam;\\n\\t\\tbreak;\\n#endif\\n#if defined(__Userspace__)\\n\\tcase AF_CONN:\\n\\t\\tsconn = (struct sockaddr_conn *)nam;\\n\\t\\tbreak;\\n#endif\\n\\tdefault:\\n\\t\\t/* unsupported family */\\n\\t\\treturn (NULL);\\n\\t}\",\n \"\\tif (head == NULL)\\n\\t\\treturn (NULL);\",\n \"\\tLIST_FOREACH(inp, head, sctp_hash) {\\n\\t\\tSCTP_INP_RLOCK(inp);\\n\\t\\tif (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {\\n\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) &&\\n\\t\\t (inp->sctp_lport == lport)) {\\n\\t\\t\\t/* got it */\\n\\t\\t\\tswitch (nam->sa_family) {\\n#ifdef INET\\n\\t\\t\\tcase AF_INET:\\n\\t\\t\\t\\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) &&\\n\\t\\t\\t\\t SCTP_IPV6_V6ONLY(inp)) {\\n\\t\\t\\t\\t\\t/* IPv4 on a IPv6 socket with ONLY IPv6 set */\\n\\t\\t\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\t\\t\\tcontinue;\\n\\t\\t\\t\\t}\\n#if defined(__FreeBSD__)\\n\\t\\t\\t\\tif (prison_check_ip4(inp->ip_inp.inp.inp_cred,\\n\\t\\t\\t\\t &sin->sin_addr) != 0) {\\n\\t\\t\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\t\\t\\tcontinue;\\n\\t\\t\\t\\t}\\n#endif\\n\\t\\t\\t\\tbreak;\\n#endif\\n#ifdef INET6\\n\\t\\t\\tcase AF_INET6:\\n\\t\\t\\t\\t/* A V6 address and the endpoint is NOT bound V6 */\\n\\t\\t\\t\\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) {\\n\\t\\t\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\t\\t\\tcontinue;\\n\\t\\t\\t\\t}\\n#if defined(__FreeBSD__)\\n\\t\\t\\t\\tif (prison_check_ip6(inp->ip_inp.inp.inp_cred,\\n\\t\\t\\t\\t &sin6->sin6_addr) != 0) {\\n\\t\\t\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\t\\t\\tcontinue;\\n\\t\\t\\t\\t}\\n#endif\\n\\t\\t\\t\\tbreak;\\n#endif\\n\\t\\t\\tdefault:\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n\\t\\t\\t/* does a VRF id match? */\\n\\t\\t\\tfnd = 0;\\n#ifdef SCTP_MVRF\\n\\t\\t\\tfor (i = 0; i < inp->num_vrfs; i++) {\\n\\t\\t\\t\\tif (inp->m_vrf_ids[i] == vrf_id) {\\n\\t\\t\\t\\t\\tfnd = 1;\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n#else\\n\\t\\t\\tif (inp->def_vrf_id == vrf_id)\\n\\t\\t\\t\\tfnd = 1;\\n#endif\",\n \"\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\tif (!fnd)\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\treturn (inp);\\n\\t\\t}\\n\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t}\\n\\tswitch (nam->sa_family) {\\n#ifdef INET\\n\\tcase AF_INET:\\n\\t\\tif (sin->sin_addr.s_addr == INADDR_ANY) {\\n\\t\\t\\t/* Can't hunt for one that has no address specified */\\n\\t\\t\\treturn (NULL);\\n\\t\\t}\\n\\t\\tbreak;\\n#endif\\n#ifdef INET6\\n\\tcase AF_INET6:\\n\\t\\tif (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {\\n\\t\\t\\t/* Can't hunt for one that has no address specified */\\n\\t\\t\\treturn (NULL);\\n\\t\\t}\\n\\t\\tbreak;\\n#endif\\n#if defined(__Userspace__)\\n\\tcase AF_CONN:\\n\\t\\tif (sconn->sconn_addr == NULL) {\\n\\t\\t\\treturn (NULL);\\n\\t\\t}\\n\\t\\tbreak;\\n#endif\\n\\tdefault:\\n\\t\\tbreak;\\n\\t}\\n\\t/*\\n\\t * ok, not bound to all so see if we can find a EP bound to this\\n\\t * address.\\n\\t */\\n\\tLIST_FOREACH(inp, head, sctp_hash) {\\n\\t\\tSCTP_INP_RLOCK(inp);\\n\\t\\tif (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {\\n\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL)) {\\n\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\t/*\\n\\t\\t * Ok this could be a likely candidate, look at all of its\\n\\t\\t * addresses\\n\\t\\t */\\n\\t\\tif (inp->sctp_lport != lport) {\\n\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\t/* does a VRF id match? */\\n\\t\\tfnd = 0;\\n#ifdef SCTP_MVRF\\n\\t\\tfor (i = 0; i < inp->num_vrfs; i++) {\\n\\t\\t\\tif (inp->m_vrf_ids[i] == vrf_id) {\\n\\t\\t\\t\\tfnd = 1;\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n\\t\\t}\\n#else\\n\\t\\tif (inp->def_vrf_id == vrf_id)\\n\\t\\t\\tfnd = 1;\",\n \"#endif\\n\\t\\tif (!fnd) {\\n\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\tLIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {\\n\\t\\t\\tif (laddr->ifa == NULL) {\\n\\t\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB1, \\\"%s: NULL ifa\\\\n\\\",\\n\\t\\t\\t\\t\\t__func__);\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB1, \\\"Ok laddr->ifa:%p is possible, \\\",\\n\\t\\t\\t\\t(void *)laddr->ifa);\\n\\t\\t\\tif (laddr->ifa->localifa_flags & SCTP_BEING_DELETED) {\\n\\t\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB1, \\\"Huh IFA being deleted\\\\n\\\");\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\tif (laddr->ifa->address.sa.sa_family == nam->sa_family) {\\n\\t\\t\\t\\t/* possible, see if it matches */\\n\\t\\t\\t\\tswitch (nam->sa_family) {\\n#ifdef INET\\n\\t\\t\\t\\tcase AF_INET:\\n#if defined(__APPLE__)\\n\\t\\t\\t\\t\\tif (sin == NULL) {\\n\\t\\t\\t\\t\\t\\t/* TSNH */\\n\\t\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\t\\t}\\n#endif\\n\\t\\t\\t\\t\\tif (sin->sin_addr.s_addr ==\\n\\t\\t\\t\\t\\t laddr->ifa->address.sin.sin_addr.s_addr) {\\n\\t\\t\\t\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\t\\t\\t\\treturn (inp);\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tbreak;\\n#endif\\n#ifdef INET6\\n\\t\\t\\t\\tcase AF_INET6:\\n\\t\\t\\t\\t\\tintf_addr6 = &laddr->ifa->address.sin6;\\n\\t\\t\\t\\t\\tif (SCTP6_ARE_ADDR_EQUAL(sin6,\\n\\t\\t\\t\\t\\t intf_addr6)) {\\n\\t\\t\\t\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\t\\t\\t\\treturn (inp);\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tbreak;\\n#endif\\n#if defined(__Userspace__)\\n\\t\\t\\t\\tcase AF_CONN:\\n\\t\\t\\t\\t\\tif (sconn->sconn_addr == laddr->ifa->address.sconn.sconn_addr) {\\n\\t\\t\\t\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\t\\t\\t\\treturn (inp);\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tbreak;\\n#endif\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t}\\n\\treturn (NULL);\\n}\",\n \"\\nstatic struct sctp_inpcb *\\nsctp_isport_inuse(struct sctp_inpcb *inp, uint16_t lport, uint32_t vrf_id)\\n{\\n\\tstruct sctppcbhead *head;\\n\\tstruct sctp_inpcb *t_inp;\\n#ifdef SCTP_MVRF\\n\\tint i;\\n#endif\\n\\tint fnd;\",\n \"\\thead = &SCTP_BASE_INFO(sctp_ephash)[SCTP_PCBHASH_ALLADDR(lport,\\n\\t SCTP_BASE_INFO(hashmark))];\\n\\tLIST_FOREACH(t_inp, head, sctp_hash) {\\n\\t\\tif (t_inp->sctp_lport != lport) {\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\t/* is it in the VRF in question */\\n\\t\\tfnd = 0;\\n#ifdef SCTP_MVRF\\n\\t\\tfor (i = 0; i < inp->num_vrfs; i++) {\\n\\t\\t\\tif (t_inp->m_vrf_ids[i] == vrf_id) {\\n\\t\\t\\t\\tfnd = 1;\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n\\t\\t}\\n#else\\n\\t\\tif (t_inp->def_vrf_id == vrf_id)\\n\\t\\t\\tfnd = 1;\\n#endif\\n\\t\\tif (!fnd)\\n\\t\\t\\tcontinue;\",\n \"\\t\\t/* This one is in use. */\\n\\t\\t/* check the v6/v4 binding issue */\\n\\t\\tif ((t_inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) &&\\n\\t\\t SCTP_IPV6_V6ONLY(t_inp)) {\\n\\t\\t\\tif (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {\\n\\t\\t\\t\\t/* collision in V6 space */\\n\\t\\t\\t\\treturn (t_inp);\\n\\t\\t\\t} else {\\n\\t\\t\\t\\t/* inp is BOUND_V4 no conflict */\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t} else if (t_inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {\\n\\t\\t\\t/* t_inp is bound v4 and v6, conflict always */\\n\\t\\t\\treturn (t_inp);\\n\\t\\t} else {\\n\\t\\t\\t/* t_inp is bound only V4 */\\n\\t\\t\\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) &&\\n\\t\\t\\t SCTP_IPV6_V6ONLY(inp)) {\\n\\t\\t\\t\\t/* no conflict */\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\t/* else fall through to conflict */\\n\\t\\t}\\n\\t\\treturn (t_inp);\\n\\t}\\n\\treturn (NULL);\\n}\",\n \"\\nint\\nsctp_swap_inpcb_for_listen(struct sctp_inpcb *inp)\\n{\\n\\t/* For 1-2-1 with port reuse */\\n\\tstruct sctppcbhead *head;\\n\\tstruct sctp_inpcb *tinp, *ninp;\",\n \"\\tif (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE)) {\\n\\t\\t/* only works with port reuse on */\\n\\t\\treturn (-1);\\n\\t}\\n\\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) {\\n\\t\\treturn (0);\\n\\t}\\n\\tSCTP_INP_RUNLOCK(inp);\\n\\tSCTP_INP_INFO_WLOCK();\\n\\thead = &SCTP_BASE_INFO(sctp_ephash)[SCTP_PCBHASH_ALLADDR(inp->sctp_lport,\\n\\t SCTP_BASE_INFO(hashmark))];\\n\\t/* Kick out all non-listeners to the TCP hash */\\n\\tLIST_FOREACH_SAFE(tinp, head, sctp_hash, ninp) {\\n\\t\\tif (tinp->sctp_lport != inp->sctp_lport) {\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\tif (tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\tif (tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) {\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\tif (SCTP_IS_LISTENING(tinp)) {\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\tSCTP_INP_WLOCK(tinp);\\n\\t\\tLIST_REMOVE(tinp, sctp_hash);\\n\\t\\thead = &SCTP_BASE_INFO(sctp_tcpephash)[SCTP_PCBHASH_ALLADDR(tinp->sctp_lport, SCTP_BASE_INFO(hashtcpmark))];\\n\\t\\ttinp->sctp_flags |= SCTP_PCB_FLAGS_IN_TCPPOOL;\\n\\t\\tLIST_INSERT_HEAD(head, tinp, sctp_hash);\\n\\t\\tSCTP_INP_WUNLOCK(tinp);\\n\\t}\\n\\tSCTP_INP_WLOCK(inp);\\n\\t/* Pull from where he was */\\n\\tLIST_REMOVE(inp, sctp_hash);\\n\\tinp->sctp_flags &= ~SCTP_PCB_FLAGS_IN_TCPPOOL;\\n\\thead = &SCTP_BASE_INFO(sctp_ephash)[SCTP_PCBHASH_ALLADDR(inp->sctp_lport, SCTP_BASE_INFO(hashmark))];\\n\\tLIST_INSERT_HEAD(head, inp, sctp_hash);\\n\\tSCTP_INP_WUNLOCK(inp);\\n\\tSCTP_INP_RLOCK(inp);\\n\\tSCTP_INP_INFO_WUNLOCK();\\n\\treturn (0);\\n}\",\n \"\\nstruct sctp_inpcb *\\nsctp_pcb_findep(struct sockaddr *nam, int find_tcp_pool, int have_lock,\\n\\t\\tuint32_t vrf_id)\\n{\\n\\t/*\\n\\t * First we check the hash table to see if someone has this port\\n\\t * bound with just the port.\\n\\t */\\n\\tstruct sctp_inpcb *inp;\\n\\tstruct sctppcbhead *head;\\n\\tint lport;\\n\\tunsigned int i;\\n#ifdef INET\\n\\tstruct sockaddr_in *sin;\\n#endif\\n#ifdef INET6\\n\\tstruct sockaddr_in6 *sin6;\\n#endif\\n#if defined(__Userspace__)\\n\\tstruct sockaddr_conn *sconn;\\n#endif\",\n \"\\tswitch (nam->sa_family) {\\n#ifdef INET\\n\\tcase AF_INET:\\n\\t\\tsin = (struct sockaddr_in *)nam;\\n\\t\\tlport = sin->sin_port;\\n\\t\\tbreak;\\n#endif\\n#ifdef INET6\\n\\tcase AF_INET6:\\n\\t\\tsin6 = (struct sockaddr_in6 *)nam;\\n\\t\\tlport = sin6->sin6_port;\\n\\t\\tbreak;\\n#endif\\n#if defined(__Userspace__)\\n\\tcase AF_CONN:\\n\\t\\tsconn = (struct sockaddr_conn *)nam;\\n\\t\\tlport = sconn->sconn_port;\\n\\t\\tbreak;\\n#endif\\n\\tdefault:\\n\\t\\treturn (NULL);\\n\\t}\\n\\t/*\\n\\t * I could cheat here and just cast to one of the types but we will\\n\\t * do it right. It also provides the check against an Unsupported\\n\\t * type too.\\n\\t */\\n\\t/* Find the head of the ALLADDR chain */\\n\\tif (have_lock == 0) {\\n\\t\\tSCTP_INP_INFO_RLOCK();\\n\\t}\\n\\thead = &SCTP_BASE_INFO(sctp_ephash)[SCTP_PCBHASH_ALLADDR(lport,\\n\\t SCTP_BASE_INFO(hashmark))];\\n\\tinp = sctp_endpoint_probe(nam, head, lport, vrf_id);\",\n \"\\t/*\\n\\t * If the TCP model exists it could be that the main listening\\n\\t * endpoint is gone but there still exists a connected socket for this\\n\\t * guy. If so we can return the first one that we find. This may NOT\\n\\t * be the correct one so the caller should be wary on the returned INP.\\n\\t * Currently the only caller that sets find_tcp_pool is in bindx where\\n\\t * we are verifying that a user CAN bind the address. He either\\n\\t * has bound it already, or someone else has, or its open to bind,\\n\\t * so this is good enough.\\n\\t */\\n\\tif (inp == NULL && find_tcp_pool) {\\n\\t\\tfor (i = 0; i < SCTP_BASE_INFO(hashtcpmark) + 1; i++) {\\n\\t\\t\\thead = &SCTP_BASE_INFO(sctp_tcpephash)[i];\\n\\t\\t\\tinp = sctp_endpoint_probe(nam, head, lport, vrf_id);\\n\\t\\t\\tif (inp) {\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n\\tif (inp) {\\n\\t\\tSCTP_INP_INCR_REF(inp);\\n\\t}\\n\\tif (have_lock == 0) {\\n\\t\\tSCTP_INP_INFO_RUNLOCK();\\n\\t}\\n\\treturn (inp);\\n}\",\n \"\\n/*\\n * Find an association for an endpoint with the pointer to whom you want to\\n * send to and the endpoint pointer. The address can be IPv4 or IPv6. We may\\n * need to change the *to to some other struct like a mbuf...\\n */\\nstruct sctp_tcb *\\nsctp_findassociation_addr_sa(struct sockaddr *from, struct sockaddr *to,\\n struct sctp_inpcb **inp_p, struct sctp_nets **netp, int find_tcp_pool,\\n uint32_t vrf_id)\\n{\\n\\tstruct sctp_inpcb *inp = NULL;\\n\\tstruct sctp_tcb *stcb;\",\n \"\\tSCTP_INP_INFO_RLOCK();\\n\\tif (find_tcp_pool) {\\n\\t\\tif (inp_p != NULL) {\\n\\t\\t\\tstcb = sctp_tcb_special_locate(inp_p, from, to, netp,\\n\\t\\t\\t vrf_id);\\n\\t\\t} else {\\n\\t\\t\\tstcb = sctp_tcb_special_locate(&inp, from, to, netp,\\n\\t\\t\\t vrf_id);\\n\\t\\t}\\n\\t\\tif (stcb != NULL) {\\n\\t\\t\\tSCTP_INP_INFO_RUNLOCK();\\n\\t\\t\\treturn (stcb);\\n\\t\\t}\\n\\t}\\n\\tinp = sctp_pcb_findep(to, 0, 1, vrf_id);\\n\\tif (inp_p != NULL) {\\n\\t\\t*inp_p = inp;\\n\\t}\\n\\tSCTP_INP_INFO_RUNLOCK();\\n\\tif (inp == NULL) {\\n\\t\\treturn (NULL);\\n\\t}\\n\\t/*\\n\\t * ok, we have an endpoint, now lets find the assoc for it (if any)\\n\\t * we now place the source address or from in the to of the find\\n\\t * endpoint call. Since in reality this chain is used from the\\n\\t * inbound packet side.\\n\\t */\\n\\tif (inp_p != NULL) {\\n\\t\\tstcb = sctp_findassociation_ep_addr(inp_p, from, netp, to,\\n\\t\\t NULL);\\n\\t} else {\\n\\t\\tstcb = sctp_findassociation_ep_addr(&inp, from, netp, to,\\n\\t\\t NULL);\\n\\t}\\n\\treturn (stcb);\\n}\",\n \"\\n/*\\n * This routine will grub through the mbuf that is a INIT or INIT-ACK and\\n * find all addresses that the sender has specified in any address list. Each\\n * address will be used to lookup the TCB and see if one exits.\\n */\\nstatic struct sctp_tcb *\\nsctp_findassociation_special_addr(struct mbuf *m, int offset,\\n struct sctphdr *sh, struct sctp_inpcb **inp_p, struct sctp_nets **netp,\\n struct sockaddr *dst)\\n{\\n\\tstruct sctp_paramhdr *phdr, param_buf;\\n#if defined(INET) || defined(INET6)\\n\\tstruct sctp_tcb *stcb;\\n\\tuint16_t ptype;\\n#endif\\n\\tuint16_t plen;\\n#ifdef INET\\n\\tstruct sockaddr_in sin4;\\n#endif\\n#ifdef INET6\\n\\tstruct sockaddr_in6 sin6;\\n#endif\",\n \"#ifdef INET\\n\\tmemset(&sin4, 0, sizeof(sin4));\\n#ifdef HAVE_SIN_LEN\\n\\tsin4.sin_len = sizeof(sin4);\\n#endif\\n\\tsin4.sin_family = AF_INET;\\n\\tsin4.sin_port = sh->src_port;\\n#endif\\n#ifdef INET6\\n\\tmemset(&sin6, 0, sizeof(sin6));\\n#ifdef HAVE_SIN6_LEN\\n\\tsin6.sin6_len = sizeof(sin6);\\n#endif\\n\\tsin6.sin6_family = AF_INET6;\\n\\tsin6.sin6_port = sh->src_port;\\n#endif\",\n \"\\toffset += sizeof(struct sctp_init_chunk);\",\n \"\\tphdr = sctp_get_next_param(m, offset, ¶m_buf, sizeof(param_buf));\\n\\twhile (phdr != NULL) {\\n\\t\\t/* now we must see if we want the parameter */\\n#if defined(INET) || defined(INET6)\\n\\t\\tptype = ntohs(phdr->param_type);\\n#endif\\n\\t\\tplen = ntohs(phdr->param_length);\\n\\t\\tif (plen == 0) {\\n\\t\\t\\tbreak;\\n\\t\\t}\\n#ifdef INET\\n\\t\\tif (ptype == SCTP_IPV4_ADDRESS &&\\n\\t\\t plen == sizeof(struct sctp_ipv4addr_param)) {\\n\\t\\t\\t/* Get the rest of the address */\\n\\t\\t\\tstruct sctp_ipv4addr_param ip4_param, *p4;\",\n \"\\t\\t\\tphdr = sctp_get_next_param(m, offset,\\n\\t\\t\\t (struct sctp_paramhdr *)&ip4_param, sizeof(ip4_param));\\n\\t\\t\\tif (phdr == NULL) {\\n\\t\\t\\t\\treturn (NULL);\\n\\t\\t\\t}\\n\\t\\t\\tp4 = (struct sctp_ipv4addr_param *)phdr;\\n\\t\\t\\tmemcpy(&sin4.sin_addr, &p4->addr, sizeof(p4->addr));\\n\\t\\t\\t/* look it up */\\n\\t\\t\\tstcb = sctp_findassociation_ep_addr(inp_p,\\n\\t\\t\\t (struct sockaddr *)&sin4, netp, dst, NULL);\\n\\t\\t\\tif (stcb != NULL) {\\n\\t\\t\\t\\treturn (stcb);\\n\\t\\t\\t}\\n\\t\\t}\\n#endif\\n#ifdef INET6\\n\\t\\tif (ptype == SCTP_IPV6_ADDRESS &&\\n\\t\\t plen == sizeof(struct sctp_ipv6addr_param)) {\\n\\t\\t\\t/* Get the rest of the address */\\n\\t\\t\\tstruct sctp_ipv6addr_param ip6_param, *p6;\",\n \"\\t\\t\\tphdr = sctp_get_next_param(m, offset,\\n\\t\\t\\t (struct sctp_paramhdr *)&ip6_param, sizeof(ip6_param));\\n\\t\\t\\tif (phdr == NULL) {\\n\\t\\t\\t\\treturn (NULL);\\n\\t\\t\\t}\\n\\t\\t\\tp6 = (struct sctp_ipv6addr_param *)phdr;\\n\\t\\t\\tmemcpy(&sin6.sin6_addr, &p6->addr, sizeof(p6->addr));\\n\\t\\t\\t/* look it up */\\n\\t\\t\\tstcb = sctp_findassociation_ep_addr(inp_p,\\n\\t\\t\\t (struct sockaddr *)&sin6, netp, dst, NULL);\\n\\t\\t\\tif (stcb != NULL) {\\n\\t\\t\\t\\treturn (stcb);\\n\\t\\t\\t}\\n\\t\\t}\\n#endif\\n\\t\\toffset += SCTP_SIZE32(plen);\\n\\t\\tphdr = sctp_get_next_param(m, offset, ¶m_buf,\\n\\t\\t\\t\\t\\t sizeof(param_buf));\\n\\t}\\n\\treturn (NULL);\\n}\",\n \"static struct sctp_tcb *\\nsctp_findassoc_by_vtag(struct sockaddr *from, struct sockaddr *to, uint32_t vtag,\\n\\t\\t struct sctp_inpcb **inp_p, struct sctp_nets **netp, uint16_t rport,\\n\\t\\t uint16_t lport, int skip_src_check, uint32_t vrf_id, uint32_t remote_tag)\\n{\\n\\t/*\\n\\t * Use my vtag to hash. If we find it we then verify the source addr\\n\\t * is in the assoc. If all goes well we save a bit on rec of a\\n\\t * packet.\\n\\t */\\n\\tstruct sctpasochead *head;\\n\\tstruct sctp_nets *net;\\n\\tstruct sctp_tcb *stcb;\\n#ifdef SCTP_MVRF\\n\\tunsigned int i;\\n#endif\",\n \"\\tSCTP_INP_INFO_RLOCK();\\n\\thead = &SCTP_BASE_INFO(sctp_asochash)[SCTP_PCBHASH_ASOC(vtag,\\n\\t SCTP_BASE_INFO(hashasocmark))];\\n\\tLIST_FOREACH(stcb, head, sctp_asocs) {\\n\\t\\tSCTP_INP_RLOCK(stcb->sctp_ep);\\n\\t\\tif (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {\\n\\t\\t\\tSCTP_INP_RUNLOCK(stcb->sctp_ep);\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n#ifdef SCTP_MVRF\\n\\t\\tfor (i = 0; i < stcb->sctp_ep->num_vrfs; i++) {\\n\\t\\t\\tif (stcb->sctp_ep->m_vrf_ids[i] == vrf_id) {\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\tif (i == stcb->sctp_ep->num_vrfs) {\\n\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n#else\\n\\t\\tif (stcb->sctp_ep->def_vrf_id != vrf_id) {\\n\\t\\t\\tSCTP_INP_RUNLOCK(stcb->sctp_ep);\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n#endif\\n\\t\\tSCTP_TCB_LOCK(stcb);\\n\\t\\tSCTP_INP_RUNLOCK(stcb->sctp_ep);\\n\\t\\tif (stcb->asoc.my_vtag == vtag) {\\n\\t\\t\\t/* candidate */\\n\\t\\t\\tif (stcb->rport != rport) {\\n\\t\\t\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\tif (stcb->sctp_ep->sctp_lport != lport) {\\n\\t\\t\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\tif (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {\\n\\t\\t\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\t/* RRS:Need toaddr check here */\\n\\t\\t\\tif (sctp_does_stcb_own_this_addr(stcb, to) == 0) {\\n\\t\\t\\t /* Endpoint does not own this address */\\n\\t\\t\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\tif (remote_tag) {\\n\\t\\t\\t\\t/* If we have both vtags that's all we match on */\\n\\t\\t\\t\\tif (stcb->asoc.peer_vtag == remote_tag) {\\n\\t\\t\\t\\t\\t/* If both tags match we consider it conclusive\\n\\t\\t\\t\\t\\t * and check NO source/destination addresses\\n\\t\\t\\t\\t\\t */\\n\\t\\t\\t\\t\\tgoto conclusive;\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t\\tif (skip_src_check) {\\n\\t\\t\\tconclusive:\\n\\t\\t\\t if (from) {\\n\\t\\t\\t\\t\\t*netp = sctp_findnet(stcb, from);\\n\\t\\t\\t\\t} else {\\n\\t\\t\\t\\t\\t*netp = NULL;\\t/* unknown */\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tif (inp_p)\\n\\t\\t\\t\\t\\t*inp_p = stcb->sctp_ep;\\n\\t\\t\\t\\tSCTP_INP_INFO_RUNLOCK();\\n\\t\\t\\t\\treturn (stcb);\\n\\t\\t\\t}\\n\\t\\t\\tnet = sctp_findnet(stcb, from);\\n\\t\\t\\tif (net) {\\n\\t\\t\\t\\t/* yep its him. */\\n\\t\\t\\t\\t*netp = net;\\n\\t\\t\\t\\tSCTP_STAT_INCR(sctps_vtagexpress);\\n\\t\\t\\t\\t*inp_p = stcb->sctp_ep;\\n\\t\\t\\t\\tSCTP_INP_INFO_RUNLOCK();\\n\\t\\t\\t\\treturn (stcb);\\n\\t\\t\\t} else {\\n\\t\\t\\t\\t/*\\n\\t\\t\\t\\t * not him, this should only happen in rare\\n\\t\\t\\t\\t * cases so I peg it.\\n\\t\\t\\t\\t */\\n\\t\\t\\t\\tSCTP_STAT_INCR(sctps_vtagbogus);\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t}\\n\\tSCTP_INP_INFO_RUNLOCK();\\n\\treturn (NULL);\\n}\",\n \"\\n/*\\n * Find an association with the pointer to the inbound IP packet. This can be\\n * a IPv4 or IPv6 packet.\\n */\\nstruct sctp_tcb *\\nsctp_findassociation_addr(struct mbuf *m, int offset,\\n struct sockaddr *src, struct sockaddr *dst,\\n struct sctphdr *sh, struct sctp_chunkhdr *ch,\\n struct sctp_inpcb **inp_p, struct sctp_nets **netp, uint32_t vrf_id)\\n{\\n\\tstruct sctp_tcb *stcb;\\n\\tstruct sctp_inpcb *inp;\",\n \"\\tif (sh->v_tag) {\\n\\t\\t/* we only go down this path if vtag is non-zero */\\n\\t\\tstcb = sctp_findassoc_by_vtag(src, dst, ntohl(sh->v_tag),\\n\\t\\t inp_p, netp, sh->src_port, sh->dest_port, 0, vrf_id, 0);\\n\\t\\tif (stcb) {\\n\\t\\t\\treturn (stcb);\\n\\t\\t}\\n\\t}\",\n \"\\tif (inp_p) {\\n\\t\\tstcb = sctp_findassociation_addr_sa(src, dst, inp_p, netp,\\n\\t\\t 1, vrf_id);\\n\\t\\tinp = *inp_p;\\n\\t} else {\\n\\t\\tstcb = sctp_findassociation_addr_sa(src, dst, &inp, netp,\\n\\t\\t 1, vrf_id);\\n\\t}\\n\\tSCTPDBG(SCTP_DEBUG_PCB1, \\\"stcb:%p inp:%p\\\\n\\\", (void *)stcb, (void *)inp);\\n\\tif (stcb == NULL && inp) {\\n\\t\\t/* Found a EP but not this address */\\n\\t\\tif ((ch->chunk_type == SCTP_INITIATION) ||\\n\\t\\t (ch->chunk_type == SCTP_INITIATION_ACK)) {\\n\\t\\t\\t/*-\\n\\t\\t\\t * special hook, we do NOT return linp or an\\n\\t\\t\\t * association that is linked to an existing\\n\\t\\t\\t * association that is under the TCP pool (i.e. no\\n\\t\\t\\t * listener exists). The endpoint finding routine\\n\\t\\t\\t * will always find a listener before examining the\\n\\t\\t\\t * TCP pool.\\n\\t\\t\\t */\\n\\t\\t\\tif (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) {\\n\\t\\t\\t\\tif (inp_p) {\\n\\t\\t\\t\\t\\t*inp_p = NULL;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\treturn (NULL);\\n\\t\\t\\t}\\n\\t\\t\\tstcb = sctp_findassociation_special_addr(m,\\n\\t\\t\\t offset, sh, &inp, netp, dst);\\n\\t\\t\\tif (inp_p != NULL) {\\n\\t\\t\\t\\t*inp_p = inp;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n\\tSCTPDBG(SCTP_DEBUG_PCB1, \\\"stcb is %p\\\\n\\\", (void *)stcb);\\n\\treturn (stcb);\\n}\",\n \"/*\\n * lookup an association by an ASCONF lookup address.\\n * if the lookup address is 0.0.0.0 or ::0, use the vtag to do the lookup\\n */\\nstruct sctp_tcb *\\nsctp_findassociation_ep_asconf(struct mbuf *m, int offset,\\n\\t\\t\\t struct sockaddr *dst, struct sctphdr *sh,\\n struct sctp_inpcb **inp_p, struct sctp_nets **netp, uint32_t vrf_id)\\n{\\n\\tstruct sctp_tcb *stcb;\\n\\tunion sctp_sockstore remote_store;\\n\\tstruct sctp_paramhdr param_buf, *phdr;\\n\\tint ptype;\\n\\tint zero_address = 0;\\n#ifdef INET\\n\\tstruct sockaddr_in *sin;\\n#endif\\n#ifdef INET6\\n\\tstruct sockaddr_in6 *sin6;\\n#endif\",\n \"\\tmemset(&remote_store, 0, sizeof(remote_store));\\n\\tphdr = sctp_get_next_param(m, offset + sizeof(struct sctp_asconf_chunk),\\n\\t\\t\\t\\t ¶m_buf, sizeof(struct sctp_paramhdr));\\n\\tif (phdr == NULL) {\\n\\t\\tSCTPDBG(SCTP_DEBUG_INPUT3, \\\"%s: failed to get asconf lookup addr\\\\n\\\",\\n\\t\\t\\t__func__);\\n\\t\\treturn NULL;\\n\\t}\\n\\tptype = (int)((uint32_t) ntohs(phdr->param_type));\\n\\t/* get the correlation address */\\n\\tswitch (ptype) {\\n#ifdef INET6\\n\\tcase SCTP_IPV6_ADDRESS:\\n\\t{\\n\\t\\t/* ipv6 address param */\\n\\t\\tstruct sctp_ipv6addr_param *p6, p6_buf;\",\n \"\\t\\tif (ntohs(phdr->param_length) != sizeof(struct sctp_ipv6addr_param)) {\\n\\t\\t\\treturn NULL;\\n\\t\\t}\\n\\t\\tp6 = (struct sctp_ipv6addr_param *)sctp_get_next_param(m,\\n\\t\\t\\t\\t\\t\\t\\t\\t offset + sizeof(struct sctp_asconf_chunk),\\n\\t\\t\\t\\t\\t\\t\\t\\t &p6_buf.ph, sizeof(p6_buf));\\n\\t\\tif (p6 == NULL) {\\n\\t\\t\\tSCTPDBG(SCTP_DEBUG_INPUT3, \\\"%s: failed to get asconf v6 lookup addr\\\\n\\\",\\n\\t\\t\\t\\t__func__);\\n\\t\\t\\treturn (NULL);\\n\\t\\t}\\n\\t\\tsin6 = &remote_store.sin6;\\n\\t\\tsin6->sin6_family = AF_INET6;\\n#ifdef HAVE_SIN6_LEN\\n\\t\\tsin6->sin6_len = sizeof(*sin6);\\n#endif\\n\\t\\tsin6->sin6_port = sh->src_port;\\n\\t\\tmemcpy(&sin6->sin6_addr, &p6->addr, sizeof(struct in6_addr));\\n\\t\\tif (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr))\\n\\t\\t\\tzero_address = 1;\\n\\t\\tbreak;\\n\\t}\\n#endif\\n#ifdef INET\\n\\tcase SCTP_IPV4_ADDRESS:\\n\\t{\\n\\t\\t/* ipv4 address param */\\n\\t\\tstruct sctp_ipv4addr_param *p4, p4_buf;\",\n \"\\t\\tif (ntohs(phdr->param_length) != sizeof(struct sctp_ipv4addr_param)) {\\n\\t\\t\\treturn NULL;\\n\\t\\t}\\n\\t\\tp4 = (struct sctp_ipv4addr_param *)sctp_get_next_param(m,\\n\\t\\t\\t\\t\\t\\t\\t\\t offset + sizeof(struct sctp_asconf_chunk),\\n\\t\\t\\t\\t\\t\\t\\t\\t &p4_buf.ph, sizeof(p4_buf));\\n\\t\\tif (p4 == NULL) {\\n\\t\\t\\tSCTPDBG(SCTP_DEBUG_INPUT3, \\\"%s: failed to get asconf v4 lookup addr\\\\n\\\",\\n\\t\\t\\t\\t__func__);\\n\\t\\t\\treturn (NULL);\\n\\t\\t}\\n\\t\\tsin = &remote_store.sin;\\n\\t\\tsin->sin_family = AF_INET;\\n#ifdef HAVE_SIN_LEN\\n\\t\\tsin->sin_len = sizeof(*sin);\\n#endif\\n\\t\\tsin->sin_port = sh->src_port;\\n\\t\\tmemcpy(&sin->sin_addr, &p4->addr, sizeof(struct in_addr));\\n\\t\\tif (sin->sin_addr.s_addr == INADDR_ANY)\\n\\t\\t\\tzero_address = 1;\\n\\t\\tbreak;\\n\\t}\\n#endif\\n\\tdefault:\\n\\t\\t/* invalid address param type */\\n\\t\\treturn NULL;\\n\\t}\",\n \"\\tif (zero_address) {\\n\\t stcb = sctp_findassoc_by_vtag(NULL, dst, ntohl(sh->v_tag), inp_p,\\n\\t\\t\\t\\t\\t netp, sh->src_port, sh->dest_port, 1, vrf_id, 0);\\n\\t\\tif (stcb != NULL) {\\n\\t\\t\\tSCTP_INP_DECR_REF(*inp_p);\\n\\t\\t}\\n\\t} else {\\n\\t\\tstcb = sctp_findassociation_ep_addr(inp_p,\\n\\t\\t &remote_store.sa, netp,\\n\\t\\t dst, NULL);\\n\\t}\\n\\treturn (stcb);\\n}\",\n \"\\n/*\\n * allocate a sctp_inpcb and setup a temporary binding to a port/all\\n * addresses. This way if we don't get a bind we by default pick a ephemeral\\n * port with all addresses bound.\\n */\\nint\\nsctp_inpcb_alloc(struct socket *so, uint32_t vrf_id)\\n{\\n\\t/*\\n\\t * we get called when a new endpoint starts up. We need to allocate\\n\\t * the sctp_inpcb structure from the zone and init it. Mark it as\\n\\t * unbound and find a port that we can use as an ephemeral with\\n\\t * INADDR_ANY. If the user binds later no problem we can then add in\\n\\t * the specific addresses. And setup the default parameters for the\\n\\t * EP.\\n\\t */\\n\\tint i, error;\\n\\tstruct sctp_inpcb *inp;\\n\\tstruct sctp_pcb *m;\\n\\tstruct timeval time;\\n\\tsctp_sharedkey_t *null_key;\",\n \"\\terror = 0;\",\n \"\\tSCTP_INP_INFO_WLOCK();\\n\\tinp = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_ep), struct sctp_inpcb);\\n\\tif (inp == NULL) {\\n\\t\\tSCTP_PRINTF(\\\"Out of SCTP-INPCB structures - no resources\\\\n\\\");\\n\\t\\tSCTP_INP_INFO_WUNLOCK();\\n\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, ENOBUFS);\\n\\t\\treturn (ENOBUFS);\\n\\t}\\n\\t/* zap it */\\n\\tmemset(inp, 0, sizeof(*inp));\",\n \"\\t/* bump generations */\\n#if defined(__APPLE__)\\n\\tinp->ip_inp.inp.inp_state = INPCB_STATE_INUSE;\\n#endif\\n\\t/* setup socket pointers */\\n\\tinp->sctp_socket = so;\\n\\tinp->ip_inp.inp.inp_socket = so;\\n#if defined(__FreeBSD__)\\n\\tinp->ip_inp.inp.inp_cred = crhold(so->so_cred);\\n#endif\\n#ifdef INET6\\n#if !defined(__Userspace__) && !defined(__Windows__)\\n\\tif (INP_SOCKAF(so) == AF_INET6) {\\n\\t\\tif (MODULE_GLOBAL(ip6_auto_flowlabel)) {\\n\\t\\t\\tinp->ip_inp.inp.inp_flags |= IN6P_AUTOFLOWLABEL;\\n\\t\\t}\\n\\t\\tif (MODULE_GLOBAL(ip6_v6only)) {\\n\\t\\t\\tinp->ip_inp.inp.inp_flags |= IN6P_IPV6_V6ONLY;\\n\\t\\t}\\n\\t}\\n#endif\\n#endif\\n\\tinp->sctp_associd_counter = 1;\\n\\tinp->partial_delivery_point = SCTP_SB_LIMIT_RCV(so) >> SCTP_PARTIAL_DELIVERY_SHIFT;\\n\\tinp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT;\\n\\tinp->max_cwnd = 0;\\n\\tinp->sctp_cmt_on_off = SCTP_BASE_SYSCTL(sctp_cmt_on_off);\\n\\tinp->ecn_supported = (uint8_t)SCTP_BASE_SYSCTL(sctp_ecn_enable);\\n\\tinp->prsctp_supported = (uint8_t)SCTP_BASE_SYSCTL(sctp_pr_enable);\\n\\tinp->auth_supported = (uint8_t)SCTP_BASE_SYSCTL(sctp_auth_enable);\\n\\tinp->asconf_supported = (uint8_t)SCTP_BASE_SYSCTL(sctp_asconf_enable);\\n\\tinp->reconfig_supported = (uint8_t)SCTP_BASE_SYSCTL(sctp_reconfig_enable);\\n\\tinp->nrsack_supported = (uint8_t)SCTP_BASE_SYSCTL(sctp_nrsack_enable);\\n\\tinp->pktdrop_supported = (uint8_t)SCTP_BASE_SYSCTL(sctp_pktdrop_enable);\\n\\tinp->idata_supported = 0;\",\n \"#if defined(__FreeBSD__)\\n\\tinp->fibnum = so->so_fibnum;\\n#else\\n\\tinp->fibnum = 0;\\n#endif\\n#if defined(__Userspace__)\\n\\tinp->ulp_info = NULL;\\n\\tinp->recv_callback = NULL;\\n\\tinp->send_callback = NULL;\\n\\tinp->send_sb_threshold = 0;\\n#endif\\n\\t/* init the small hash table we use to track asocid <-> tcb */\\n\\tinp->sctp_asocidhash = SCTP_HASH_INIT(SCTP_STACK_VTAG_HASH_SIZE, &inp->hashasocidmark);\\n\\tif (inp->sctp_asocidhash == NULL) {\\n#if defined(__FreeBSD__)\\n\\t\\tcrfree(inp->ip_inp.inp.inp_cred);\\n#endif\\n\\t\\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_ep), inp);\\n\\t\\tSCTP_INP_INFO_WUNLOCK();\\n\\t\\treturn (ENOBUFS);\\n\\t}\\n\\tSCTP_INCR_EP_COUNT();\\n\\tinp->ip_inp.inp.inp_ip_ttl = MODULE_GLOBAL(ip_defttl);\\n\\tSCTP_INP_INFO_WUNLOCK();\",\n \"\\tso->so_pcb = (caddr_t)inp;\",\n \"#if defined(__FreeBSD__) && __FreeBSD_version < 803000\\n\\tif ((SCTP_SO_TYPE(so) == SOCK_DGRAM) ||\\n\\t (SCTP_SO_TYPE(so) == SOCK_SEQPACKET)) {\\n#else\\n\\tif (SCTP_SO_TYPE(so) == SOCK_SEQPACKET) {\\n#endif\\n\\t\\t/* UDP style socket */\\n\\t\\tinp->sctp_flags = (SCTP_PCB_FLAGS_UDPTYPE |\\n\\t\\t SCTP_PCB_FLAGS_UNBOUND);\\n\\t\\t/* Be sure it is NON-BLOCKING IO for UDP */\\n\\t\\t/* SCTP_SET_SO_NBIO(so); */\\n\\t} else if (SCTP_SO_TYPE(so) == SOCK_STREAM) {\\n\\t\\t/* TCP style socket */\\n\\t\\tinp->sctp_flags = (SCTP_PCB_FLAGS_TCPTYPE |\\n\\t\\t SCTP_PCB_FLAGS_UNBOUND);\\n\\t\\t/* Be sure we have blocking IO by default */\\n\\t\\tSOCK_LOCK(so);\\n\\t\\tSCTP_CLEAR_SO_NBIO(so);\\n\\t\\tSOCK_UNLOCK(so);\\n#if defined(__Panda__)\\n\\t} else if (SCTP_SO_TYPE(so) == SOCK_FASTSEQPACKET) {\\n\\t\\tinp->sctp_flags = (SCTP_PCB_FLAGS_UDPTYPE |\\n\\t\\t SCTP_PCB_FLAGS_UNBOUND);\\n\\t} else if (SCTP_SO_TYPE(so) == SOCK_FASTSTREAM) {\\n\\t\\tinp->sctp_flags = (SCTP_PCB_FLAGS_TCPTYPE |\\n\\t\\t SCTP_PCB_FLAGS_UNBOUND);\\n#endif\\n\\t} else {\\n\\t\\t/*\\n\\t\\t * unsupported socket type (RAW, etc)- in case we missed it\\n\\t\\t * in protosw\\n\\t\\t */\\n\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EOPNOTSUPP);\\n\\t\\tso->so_pcb = NULL;\\n#if defined(__FreeBSD__)\\n\\t\\tcrfree(inp->ip_inp.inp.inp_cred);\\n#endif\\n\\t\\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_ep), inp);\\n\\t\\treturn (EOPNOTSUPP);\\n\\t}\\n\\tif (SCTP_BASE_SYSCTL(sctp_default_frag_interleave) == SCTP_FRAG_LEVEL_1) {\\n\\t\\tsctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);\\n\\t\\tsctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS);\\n\\t} else if (SCTP_BASE_SYSCTL(sctp_default_frag_interleave) == SCTP_FRAG_LEVEL_2) {\\n\\t\\tsctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);\\n\\t\\tsctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS);\\n\\t} else if (SCTP_BASE_SYSCTL(sctp_default_frag_interleave) == SCTP_FRAG_LEVEL_0) {\\n\\t\\tsctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);\\n\\t\\tsctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS);\\n\\t}\\n\\tinp->sctp_tcbhash = SCTP_HASH_INIT(SCTP_BASE_SYSCTL(sctp_pcbtblsize),\\n\\t\\t\\t\\t\\t &inp->sctp_hashmark);\\n\\tif (inp->sctp_tcbhash == NULL) {\\n\\t\\tSCTP_PRINTF(\\\"Out of SCTP-INPCB->hashinit - no resources\\\\n\\\");\\n\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, ENOBUFS);\\n\\t\\tso->so_pcb = NULL;\\n#if defined(__FreeBSD__)\\n\\t\\tcrfree(inp->ip_inp.inp.inp_cred);\\n#endif\\n\\t\\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_ep), inp);\\n\\t\\treturn (ENOBUFS);\\n\\t}\\n#ifdef SCTP_MVRF\\n\\tinp->vrf_size = SCTP_DEFAULT_VRF_SIZE;\\n\\tSCTP_MALLOC(inp->m_vrf_ids, uint32_t *,\\n\\t\\t (sizeof(uint32_t) * inp->vrf_size), SCTP_M_MVRF);\\n\\tif (inp->m_vrf_ids == NULL) {\\n\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, ENOBUFS);\\n\\t\\tso->so_pcb = NULL;\\n\\t\\tSCTP_HASH_FREE(inp->sctp_tcbhash, inp->sctp_hashmark);\\n#if defined(__FreeBSD__)\\n\\t\\tcrfree(inp->ip_inp.inp.inp_cred);\\n#endif\\n\\t\\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_ep), inp);\\n\\t\\treturn (ENOBUFS);\\n\\t}\\n\\tinp->m_vrf_ids[0] = vrf_id;\\n\\tinp->num_vrfs = 1;\\n#endif\\n\\tinp->def_vrf_id = vrf_id;\",\n \"#if defined(__APPLE__)\\n#if defined(APPLE_LEOPARD) || defined(APPLE_SNOWLEOPARD)\\n\\tinp->ip_inp.inp.inpcb_mtx = lck_mtx_alloc_init(SCTP_BASE_INFO(sctbinfo).mtx_grp, SCTP_BASE_INFO(sctbinfo).mtx_attr);\\n\\tif (inp->ip_inp.inp.inpcb_mtx == NULL) {\\n\\t\\tSCTP_PRINTF(\\\"in_pcballoc: can't alloc mutex! so=%p\\\\n\\\", (void *)so);\\n#ifdef SCTP_MVRF\\n\\t\\tSCTP_FREE(inp->m_vrf_ids, SCTP_M_MVRF);\\n#endif\\n\\t\\tSCTP_HASH_FREE(inp->sctp_tcbhash, inp->sctp_hashmark);\\n\\t\\tso->so_pcb = NULL;\\n\\t\\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_ep), inp);\\n\\t\\tSCTP_UNLOCK_EXC(SCTP_BASE_INFO(sctbinfo).ipi_lock);\\n\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, ENOMEM);\\n\\t\\treturn (ENOMEM);\\n\\t}\\n#elif defined(APPLE_LION) || defined(APPLE_MOUNTAINLION)\\n\\tlck_mtx_init(&inp->ip_inp.inp.inpcb_mtx, SCTP_BASE_INFO(sctbinfo).mtx_grp, SCTP_BASE_INFO(sctbinfo).mtx_attr);\\n#else\\n\\tlck_mtx_init(&inp->ip_inp.inp.inpcb_mtx, SCTP_BASE_INFO(sctbinfo).ipi_lock_grp, SCTP_BASE_INFO(sctbinfo).ipi_lock_attr);\\n#endif\\n#endif\\n\\tSCTP_INP_INFO_WLOCK();\\n\\tSCTP_INP_LOCK_INIT(inp);\\n#if defined(__FreeBSD__)\\n\\tINP_LOCK_INIT(&inp->ip_inp.inp, \\\"inp\\\", \\\"sctpinp\\\");\\n#endif\\n\\tSCTP_INP_READ_INIT(inp);\\n\\tSCTP_ASOC_CREATE_LOCK_INIT(inp);\\n\\t/* lock the new ep */\\n\\tSCTP_INP_WLOCK(inp);\",\n \"\\t/* add it to the info area */\\n\\tLIST_INSERT_HEAD(&SCTP_BASE_INFO(listhead), inp, sctp_list);\\n#if defined(__APPLE__)\\n\\tinp->ip_inp.inp.inp_pcbinfo = &SCTP_BASE_INFO(sctbinfo);\\n#if defined(APPLE_LEOPARD) || defined(APPLE_SNOWLEOPARD) || defined(APPLE_LION) || defined(APPLE_MOUNTAINLION)\\n\\tLIST_INSERT_HEAD(SCTP_BASE_INFO(sctbinfo).listhead, &inp->ip_inp.inp, inp_list);\\n#else\\n\\tLIST_INSERT_HEAD(SCTP_BASE_INFO(sctbinfo).ipi_listhead, &inp->ip_inp.inp, inp_list);\\n#endif\\n#endif\\n\\tSCTP_INP_INFO_WUNLOCK();\",\n \"\\tTAILQ_INIT(&inp->read_queue);\\n\\tLIST_INIT(&inp->sctp_addr_list);\",\n \"\\tLIST_INIT(&inp->sctp_asoc_list);\",\n \"#ifdef SCTP_TRACK_FREED_ASOCS\\n\\t/* TEMP CODE */\\n\\tLIST_INIT(&inp->sctp_asoc_free_list);\\n#endif\\n\\t/* Init the timer structure for signature change */\\n\\tSCTP_OS_TIMER_INIT(&inp->sctp_ep.signature_change.timer);\\n\\tinp->sctp_ep.signature_change.type = SCTP_TIMER_TYPE_NEWCOOKIE;\",\n \"\\t/* now init the actual endpoint default data */\\n\\tm = &inp->sctp_ep;\",\n \"\\t/* setup the base timeout information */\\n\\tm->sctp_timeoutticks[SCTP_TIMER_SEND] = SEC_TO_TICKS(SCTP_SEND_SEC);\\t/* needed ? */\\n\\tm->sctp_timeoutticks[SCTP_TIMER_INIT] = SEC_TO_TICKS(SCTP_INIT_SEC);\\t/* needed ? */\\n\\tm->sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default));\\n\\tm->sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default));\\n\\tm->sctp_timeoutticks[SCTP_TIMER_PMTU] = SEC_TO_TICKS(SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default));\\n\\tm->sctp_timeoutticks[SCTP_TIMER_MAXSHUTDOWN] = SEC_TO_TICKS(SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default));\\n\\tm->sctp_timeoutticks[SCTP_TIMER_SIGNATURE] = SEC_TO_TICKS(SCTP_BASE_SYSCTL(sctp_secret_lifetime_default));\\n\\t/* all max/min max are in ms */\\n\\tm->sctp_maxrto = SCTP_BASE_SYSCTL(sctp_rto_max_default);\\n\\tm->sctp_minrto = SCTP_BASE_SYSCTL(sctp_rto_min_default);\\n\\tm->initial_rto = SCTP_BASE_SYSCTL(sctp_rto_initial_default);\\n\\tm->initial_init_rto_max = SCTP_BASE_SYSCTL(sctp_init_rto_max_default);\\n\\tm->sctp_sack_freq = SCTP_BASE_SYSCTL(sctp_sack_freq_default);\\n\\tm->max_init_times = SCTP_BASE_SYSCTL(sctp_init_rtx_max_default);\\n\\tm->max_send_times = SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default);\\n\\tm->def_net_failure = SCTP_BASE_SYSCTL(sctp_path_rtx_max_default);\\n\\tm->def_net_pf_threshold = SCTP_BASE_SYSCTL(sctp_path_pf_threshold);\\n\\tm->sctp_sws_sender = SCTP_SWS_SENDER_DEF;\\n\\tm->sctp_sws_receiver = SCTP_SWS_RECEIVER_DEF;\\n\\tm->max_burst = SCTP_BASE_SYSCTL(sctp_max_burst_default);\\n\\tm->fr_max_burst = SCTP_BASE_SYSCTL(sctp_fr_max_burst_default);\",\n \"\\tm->sctp_default_cc_module = SCTP_BASE_SYSCTL(sctp_default_cc_module);\\n\\tm->sctp_default_ss_module = SCTP_BASE_SYSCTL(sctp_default_ss_module);\\n\\tm->max_open_streams_intome = SCTP_BASE_SYSCTL(sctp_nr_incoming_streams_default);\\n\\t/* number of streams to pre-open on a association */\\n\\tm->pre_open_stream_count = SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default);\",\n \"\\tm->default_mtu = 0;\\n\\t/* Add adaptation cookie */\\n\\tm->adaptation_layer_indicator = 0;\\n\\tm->adaptation_layer_indicator_provided = 0;\",\n \"\\t/* seed random number generator */\\n\\tm->random_counter = 1;\\n\\tm->store_at = SCTP_SIGNATURE_SIZE;\\n\\tSCTP_READ_RANDOM(m->random_numbers, sizeof(m->random_numbers));\\n\\tsctp_fill_random_store(m);\",\n \"\\t/* Minimum cookie size */\\n\\tm->size_of_a_cookie = (sizeof(struct sctp_init_msg) * 2) +\\n\\t sizeof(struct sctp_state_cookie);\\n\\tm->size_of_a_cookie += SCTP_SIGNATURE_SIZE;\",\n \"\\t/* Setup the initial secret */\\n\\t(void)SCTP_GETTIME_TIMEVAL(&time);\\n\\tm->time_of_secret_change = time.tv_sec;\",\n \"\\tfor (i = 0; i < SCTP_NUMBER_OF_SECRETS; i++) {\\n\\t\\tm->secret_key[0][i] = sctp_select_initial_TSN(m);\\n\\t}\\n\\tsctp_timer_start(SCTP_TIMER_TYPE_NEWCOOKIE, inp, NULL, NULL);\",\n \"\\t/* How long is a cookie good for ? */\\n\\tm->def_cookie_life = MSEC_TO_TICKS(SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default));\\n\\t/*\\n\\t * Initialize authentication parameters\\n\\t */\\n\\tm->local_hmacs = sctp_default_supported_hmaclist();\\n\\tm->local_auth_chunks = sctp_alloc_chunklist();\\n\\tif (inp->asconf_supported) {\\n\\t\\tsctp_auth_add_chunk(SCTP_ASCONF, m->local_auth_chunks);\\n\\t\\tsctp_auth_add_chunk(SCTP_ASCONF_ACK, m->local_auth_chunks);\\n\\t}\\n\\tm->default_dscp = 0;\\n#ifdef INET6\\n\\tm->default_flowlabel = 0;\\n#endif\\n\\tm->port = 0; /* encapsulation disabled by default */\\n\\tLIST_INIT(&m->shared_keys);\\n\\t/* add default NULL key as key id 0 */\\n\\tnull_key = sctp_alloc_sharedkey();\\n\\tsctp_insert_sharedkey(&m->shared_keys, null_key);\\n\\tSCTP_INP_WUNLOCK(inp);\\n#ifdef SCTP_LOG_CLOSING\\n\\tsctp_log_closing(inp, NULL, 12);\\n#endif\\n\\treturn (error);\\n}\",\n \"\\nvoid\\nsctp_move_pcb_and_assoc(struct sctp_inpcb *old_inp, struct sctp_inpcb *new_inp,\\n struct sctp_tcb *stcb)\\n{\\n\\tstruct sctp_nets *net;\\n\\tuint16_t lport, rport;\\n\\tstruct sctppcbhead *head;\\n\\tstruct sctp_laddr *laddr, *oladdr;\",\n \"\\tatomic_add_int(&stcb->asoc.refcnt, 1);\\n\\tSCTP_TCB_UNLOCK(stcb);\\n\\tSCTP_INP_INFO_WLOCK();\\n\\tSCTP_INP_WLOCK(old_inp);\\n\\tSCTP_INP_WLOCK(new_inp);\\n\\tSCTP_TCB_LOCK(stcb);\\n\\tatomic_subtract_int(&stcb->asoc.refcnt, 1);\",\n \"\\tnew_inp->sctp_ep.time_of_secret_change =\\n\\t old_inp->sctp_ep.time_of_secret_change;\\n\\tmemcpy(new_inp->sctp_ep.secret_key, old_inp->sctp_ep.secret_key,\\n\\t sizeof(old_inp->sctp_ep.secret_key));\\n\\tnew_inp->sctp_ep.current_secret_number =\\n\\t old_inp->sctp_ep.current_secret_number;\\n\\tnew_inp->sctp_ep.last_secret_number =\\n\\t old_inp->sctp_ep.last_secret_number;\\n\\tnew_inp->sctp_ep.size_of_a_cookie = old_inp->sctp_ep.size_of_a_cookie;\",\n \"\\t/* make it so new data pours into the new socket */\\n\\tstcb->sctp_socket = new_inp->sctp_socket;\\n\\tstcb->sctp_ep = new_inp;\",\n \"\\t/* Copy the port across */\\n\\tlport = new_inp->sctp_lport = old_inp->sctp_lport;\\n\\trport = stcb->rport;\\n\\t/* Pull the tcb from the old association */\\n\\tLIST_REMOVE(stcb, sctp_tcbhash);\\n\\tLIST_REMOVE(stcb, sctp_tcblist);\\n\\tif (stcb->asoc.in_asocid_hash) {\\n\\t\\tLIST_REMOVE(stcb, sctp_tcbasocidhash);\\n\\t}\\n\\t/* Now insert the new_inp into the TCP connected hash */\\n\\thead = &SCTP_BASE_INFO(sctp_tcpephash)[SCTP_PCBHASH_ALLADDR((lport | rport), SCTP_BASE_INFO(hashtcpmark))];\",\n \"\\tLIST_INSERT_HEAD(head, new_inp, sctp_hash);\\n\\t/* Its safe to access */\\n\\tnew_inp->sctp_flags &= ~SCTP_PCB_FLAGS_UNBOUND;\",\n \"\\t/* Now move the tcb into the endpoint list */\\n\\tLIST_INSERT_HEAD(&new_inp->sctp_asoc_list, stcb, sctp_tcblist);\\n\\t/*\\n\\t * Question, do we even need to worry about the ep-hash since we\\n\\t * only have one connection? Probably not :> so lets get rid of it\\n\\t * and not suck up any kernel memory in that.\\n\\t */\\n\\tif (stcb->asoc.in_asocid_hash) {\\n\\t\\tstruct sctpasochead *lhd;\\n\\t\\tlhd = &new_inp->sctp_asocidhash[SCTP_PCBHASH_ASOC(stcb->asoc.assoc_id,\\n\\t\\t\\tnew_inp->hashasocidmark)];\\n\\t\\tLIST_INSERT_HEAD(lhd, stcb, sctp_tcbasocidhash);\\n\\t}\\n\\t/* Ok. Let's restart timer. */\\n\\tTAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {\\n\\t\\tsctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, new_inp,\\n\\t\\t stcb, net);\\n\\t}\",\n \"\\tSCTP_INP_INFO_WUNLOCK();\\n\\tif (new_inp->sctp_tcbhash != NULL) {\\n\\t\\tSCTP_HASH_FREE(new_inp->sctp_tcbhash, new_inp->sctp_hashmark);\\n\\t\\tnew_inp->sctp_tcbhash = NULL;\\n\\t}\\n\\tif ((new_inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) {\\n\\t\\t/* Subset bound, so copy in the laddr list from the old_inp */\\n\\t\\tLIST_FOREACH(oladdr, &old_inp->sctp_addr_list, sctp_nxt_addr) {\\n\\t\\t\\tladdr = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_laddr), struct sctp_laddr);\\n\\t\\t\\tif (laddr == NULL) {\\n\\t\\t\\t\\t/*\\n\\t\\t\\t\\t * Gak, what can we do? This assoc is really\\n\\t\\t\\t\\t * HOSED. We probably should send an abort\\n\\t\\t\\t\\t * here.\\n\\t\\t\\t\\t */\\n\\t\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB1, \\\"Association hosed in TCP model, out of laddr memory\\\\n\\\");\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\tSCTP_INCR_LADDR_COUNT();\\n\\t\\t\\tmemset(laddr, 0, sizeof(*laddr));\\n\\t\\t\\t(void)SCTP_GETTIME_TIMEVAL(&laddr->start_time);\\n\\t\\t\\tladdr->ifa = oladdr->ifa;\\n\\t\\t\\tatomic_add_int(&laddr->ifa->refcount, 1);\\n\\t\\t\\tLIST_INSERT_HEAD(&new_inp->sctp_addr_list, laddr,\\n\\t\\t\\t sctp_nxt_addr);\\n\\t\\t\\tnew_inp->laddr_count++;\\n\\t\\t\\tif (oladdr == stcb->asoc.last_used_address) {\\n\\t\\t\\t\\tstcb->asoc.last_used_address = laddr;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n\\t/* Now any running timers need to be adjusted\\n\\t * since we really don't care if they are running\\n\\t * or not just blast in the new_inp into all of\\n\\t * them.\\n\\t */\",\n \"\\tstcb->asoc.dack_timer.ep = (void *)new_inp;\\n\\tstcb->asoc.asconf_timer.ep = (void *)new_inp;\\n\\tstcb->asoc.strreset_timer.ep = (void *)new_inp;\\n\\tstcb->asoc.shut_guard_timer.ep = (void *)new_inp;\\n\\tstcb->asoc.autoclose_timer.ep = (void *)new_inp;\\n\\tstcb->asoc.delayed_event_timer.ep = (void *)new_inp;\\n\\tstcb->asoc.delete_prim_timer.ep = (void *)new_inp;\\n\\t/* now what about the nets? */\\n\\tTAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {\\n\\t\\tnet->pmtu_timer.ep = (void *)new_inp;\\n\\t\\tnet->hb_timer.ep = (void *)new_inp;\\n\\t\\tnet->rxt_timer.ep = (void *)new_inp;\\n\\t}\\n\\tSCTP_INP_WUNLOCK(new_inp);\\n\\tSCTP_INP_WUNLOCK(old_inp);\\n}\",\n \"/*\\n * insert an laddr entry with the given ifa for the desired list\\n */\\nstatic int\\nsctp_insert_laddr(struct sctpladdr *list, struct sctp_ifa *ifa, uint32_t act)\\n{\\n\\tstruct sctp_laddr *laddr;\",\n \"\\tladdr = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_laddr), struct sctp_laddr);\\n\\tif (laddr == NULL) {\\n\\t\\t/* out of memory? */\\n\\t\\tSCTP_LTRACE_ERR_RET(NULL, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\\n\\t\\treturn (EINVAL);\\n\\t}\\n\\tSCTP_INCR_LADDR_COUNT();\\n\\tmemset(laddr, 0, sizeof(*laddr));\\n\\t(void)SCTP_GETTIME_TIMEVAL(&laddr->start_time);\\n\\tladdr->ifa = ifa;\\n\\tladdr->action = act;\\n\\tatomic_add_int(&ifa->refcount, 1);\\n\\t/* insert it */\\n\\tLIST_INSERT_HEAD(list, laddr, sctp_nxt_addr);\",\n \"\\treturn (0);\\n}\",\n \"/*\\n * Remove an laddr entry from the local address list (on an assoc)\\n */\\nstatic void\\nsctp_remove_laddr(struct sctp_laddr *laddr)\\n{\",\n \"\\t/* remove from the list */\\n\\tLIST_REMOVE(laddr, sctp_nxt_addr);\\n\\tsctp_free_ifa(laddr->ifa);\\n\\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_laddr), laddr);\\n\\tSCTP_DECR_LADDR_COUNT();\\n}\",\n \"#if !(defined(__FreeBSD__) || defined(__APPLE__) || defined(__Userspace__))\\n/*\\n * Don't know why, but without this there is an unknown reference when\\n * compiling NetBSD... hmm\\n */\\nextern void in6_sin6_2_sin(struct sockaddr_in *, struct sockaddr_in6 *sin6);\\n#endif\",\n \"\\n/* sctp_ifap is used to bypass normal local address validation checks */\\nint\\n#if defined(__FreeBSD__) && __FreeBSD_version >= 500000\\nsctp_inpcb_bind(struct socket *so, struct sockaddr *addr,\\n struct sctp_ifa *sctp_ifap, struct thread *p)\\n#elif defined(__Windows__)\\nsctp_inpcb_bind(struct socket *so, struct sockaddr *addr,\\n struct sctp_ifa *sctp_ifap, PKTHREAD p)\\n#else\\nsctp_inpcb_bind(struct socket *so, struct sockaddr *addr,\\n struct sctp_ifa *sctp_ifap, struct proc *p)\\n#endif\\n{\\n\\t/* bind a ep to a socket address */\\n\\tstruct sctppcbhead *head;\\n\\tstruct sctp_inpcb *inp, *inp_tmp;\\n#if defined(__FreeBSD__) || defined(__APPLE__)\\n\\tstruct inpcb *ip_inp;\\n#endif\\n\\tint port_reuse_active = 0;\\n\\tint bindall;\\n#ifdef SCTP_MVRF\\n\\tint i;\\n#endif\\n\\tuint16_t lport;\\n\\tint error;\\n\\tuint32_t vrf_id;\",\n \"\\tlport = 0;\\n\\tbindall = 1;\\n\\tinp = (struct sctp_inpcb *)so->so_pcb;\\n#if defined(__FreeBSD__) || defined(__APPLE__)\\n\\tip_inp = (struct inpcb *)so->so_pcb;\\n#endif\\n#ifdef SCTP_DEBUG\\n\\tif (addr) {\\n\\t\\tSCTPDBG(SCTP_DEBUG_PCB1, \\\"Bind called port: %d\\\\n\\\",\\n\\t\\t\\tntohs(((struct sockaddr_in *)addr)->sin_port));\\n\\t\\tSCTPDBG(SCTP_DEBUG_PCB1, \\\"Addr: \\\");\\n\\t\\tSCTPDBG_ADDR(SCTP_DEBUG_PCB1, addr);\\n\\t}\\n#endif\\n\\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) {\\n\\t\\t/* already did a bind, subsequent binds NOT allowed ! */\\n\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\\n\\t\\treturn (EINVAL);\\n\\t}\\n#if defined(__FreeBSD__) && __FreeBSD_version >= 500000\\n#ifdef INVARIANTS\\n\\tif (p == NULL)\\n\\t\\tpanic(\\\"null proc/thread\\\");\\n#endif\\n#endif\\n\\tif (addr != NULL) {\\n\\t\\tswitch (addr->sa_family) {\\n#ifdef INET\\n\\t\\tcase AF_INET:\\n\\t\\t{\\n\\t\\t\\tstruct sockaddr_in *sin;\",\n \"\\t\\t\\t/* IPV6_V6ONLY socket? */\\n\\t\\t\\tif (SCTP_IPV6_V6ONLY(inp)) {\\n\\t\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\\n\\t\\t\\t\\treturn (EINVAL);\\n\\t\\t\\t}\\n#ifdef HAVE_SA_LEN\\n\\t\\t\\tif (addr->sa_len != sizeof(*sin)) {\\n\\t\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\\n\\t\\t\\t\\treturn (EINVAL);\\n\\t\\t\\t}\\n#endif\",\n \"\\t\\t\\tsin = (struct sockaddr_in *)addr;\\n\\t\\t\\tlport = sin->sin_port;\\n#if defined(__FreeBSD__) && __FreeBSD_version >= 800000\\n\\t\\t\\t/*\\n\\t\\t\\t * For LOOPBACK the prison_local_ip4() call will transmute the ip address\\n\\t\\t\\t * to the proper value.\\n\\t\\t\\t */\\n\\t\\t\\tif (p && (error = prison_local_ip4(p->td_ucred, &sin->sin_addr)) != 0) {\\n\\t\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, error);\\n\\t\\t\\t\\treturn (error);\\n\\t\\t\\t}\\n#endif\\n\\t\\t\\tif (sin->sin_addr.s_addr != INADDR_ANY) {\\n\\t\\t\\t\\tbindall = 0;\\n\\t\\t\\t}\\n\\t\\t\\tbreak;\\n\\t\\t}\\n#endif\\n#ifdef INET6\\n\\t\\tcase AF_INET6:\\n\\t\\t{\\n\\t\\t\\t/* Only for pure IPv6 Address. (No IPv4 Mapped!) */\\n\\t\\t\\tstruct sockaddr_in6 *sin6;\",\n \"\\t\\t\\tsin6 = (struct sockaddr_in6 *)addr;\",\n \"#ifdef HAVE_SA_LEN\\n\\t\\t\\tif (addr->sa_len != sizeof(*sin6)) {\\n\\t\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\\n\\t\\t\\t\\treturn (EINVAL);\\n\\t\\t\\t}\\n#endif\\n\\t\\t\\tlport = sin6->sin6_port;\\n#if defined(__FreeBSD__) && __FreeBSD_version >= 800000\\n\\t\\t\\t/*\\n\\t\\t\\t * For LOOPBACK the prison_local_ip6() call will transmute the ipv6 address\\n\\t\\t\\t * to the proper value.\\n\\t\\t\\t */\\n\\t\\t\\tif (p && (error = prison_local_ip6(p->td_ucred, &sin6->sin6_addr,\\n\\t\\t\\t (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) {\\n\\t\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, error);\\n\\t\\t\\t\\treturn (error);\\n\\t\\t\\t}\\n#endif\\n\\t\\t\\tif (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {\\n\\t\\t\\t\\tbindall = 0;\\n#ifdef SCTP_EMBEDDED_V6_SCOPE\\n\\t\\t\\t\\t/* KAME hack: embed scopeid */\\n#if defined(SCTP_KAME)\\n\\t\\t\\t\\tif (sa6_embedscope(sin6, MODULE_GLOBAL(ip6_use_defzone)) != 0) {\\n\\t\\t\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\\n\\t\\t\\t\\t\\treturn (EINVAL);\\n\\t\\t\\t\\t}\\n#elif defined(__APPLE__)\\n#if defined(APPLE_LEOPARD) || defined(APPLE_SNOWLEOPARD)\\n\\t\\t\\t\\tif (in6_embedscope(&sin6->sin6_addr, sin6, ip_inp, NULL) != 0) {\\n#else\\n\\t\\t\\t\\tif (in6_embedscope(&sin6->sin6_addr, sin6, ip_inp, NULL, NULL) != 0) {\\n#endif\\n\\t\\t\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\\n\\t\\t\\t\\t\\treturn (EINVAL);\\n\\t\\t\\t\\t}\\n#elif defined(__FreeBSD__)\\n\\t\\t\\t\\terror = scope6_check_id(sin6, MODULE_GLOBAL(ip6_use_defzone));\\n\\t\\t\\t\\tif (error != 0) {\\n\\t\\t\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, error);\\n\\t\\t\\t\\t\\treturn (error);\\n\\t\\t\\t\\t}\\n#else\\n\\t\\t\\t\\tif (in6_embedscope(&sin6->sin6_addr, sin6) != 0) {\\n\\t\\t\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\\n\\t\\t\\t\\t\\treturn (EINVAL);\\n\\t\\t\\t\\t}\\n#endif\\n#endif /* SCTP_EMBEDDED_V6_SCOPE */\\n\\t\\t\\t}\\n#ifndef SCOPEDROUTING\\n\\t\\t\\t/* this must be cleared for ifa_ifwithaddr() */\\n\\t\\t\\tsin6->sin6_scope_id = 0;\\n#endif /* SCOPEDROUTING */\\n\\t\\t\\tbreak;\\n\\t\\t}\\n#endif\\n#if defined(__Userspace__)\\n\\t\\tcase AF_CONN:\\n\\t\\t{\\n\\t\\t\\tstruct sockaddr_conn *sconn;\",\n \"#ifdef HAVE_SA_LEN\\n\\t\\t\\tif (addr->sa_len != sizeof(struct sockaddr_conn)) {\\n\\t\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\\n\\t\\t\\t\\treturn (EINVAL);\\n\\t\\t\\t}\\n#endif\\n\\t\\t\\tsconn = (struct sockaddr_conn *)addr;\\n\\t\\t\\tlport = sconn->sconn_port;\\n\\t\\t\\tif (sconn->sconn_addr != NULL) {\\n\\t\\t\\t\\tbindall = 0;\\n\\t\\t\\t}\\n\\t\\t\\tbreak;\\n\\t\\t}\\n#endif\\n\\t\\tdefault:\\n\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EAFNOSUPPORT);\\n\\t\\t\\treturn (EAFNOSUPPORT);\\n\\t\\t}\\n\\t}\\n\\tSCTP_INP_INFO_WLOCK();\\n\\tSCTP_INP_WLOCK(inp);\\n\\t/* Setup a vrf_id to be the default for the non-bind-all case. */\\n\\tvrf_id = inp->def_vrf_id;\",\n \"\\t/* increase our count due to the unlock we do */\\n\\tSCTP_INP_INCR_REF(inp);\\n\\tif (lport) {\\n\\t\\t/*\\n\\t\\t * Did the caller specify a port? if so we must see if an ep\\n\\t\\t * already has this one bound.\\n\\t\\t */\\n\\t\\t/* got to be root to get at low ports */\\n#if !defined(__Windows__)\\n\\t\\tif (ntohs(lport) < IPPORT_RESERVED) {\\n\\t\\t\\tif ((p != NULL) && ((error =\\n#ifdef __FreeBSD__\\n#if __FreeBSD_version > 602000\\n\\t\\t\\t\\t priv_check(p, PRIV_NETINET_RESERVEDPORT)\\n#elif __FreeBSD_version >= 500000\\n\\t\\t\\t\\t suser_cred(p->td_ucred, 0)\\n#else\\n\\t\\t\\t\\t suser(p)\\n#endif\\n#elif defined(__APPLE__)\\n\\t\\t\\t\\t suser(p->p_ucred, &p->p_acflag)\\n#elif defined(__Userspace__) /* must be true to use raw socket */\\n\\t\\t\\t\\t 1\\n#else\\n\\t\\t\\t\\t suser(p, 0)\\n#endif\\n\\t\\t\\t\\t ) != 0)) {\\n\\t\\t\\t\\tSCTP_INP_DECR_REF(inp);\\n\\t\\t\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t\\t\\t\\tSCTP_INP_INFO_WUNLOCK();\\n\\t\\t\\t\\treturn (error);\\n\\t\\t\\t}\\n#if defined(__Panda__)\\n\\t\\t\\tif (!SCTP_IS_PRIVILEDGED(so)) {\\n\\t\\t\\t\\tSCTP_INP_DECR_REF(inp);\\n\\t\\t\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t\\t\\t\\tSCTP_INP_INFO_WUNLOCK();\\n\\t\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EACCES);\\n\\t\\t\\t\\treturn (EACCES);\\n\\t\\t\\t}\\n#endif\\n\\t\\t}\\n#endif /* __Windows__ */\\n\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t\\tif (bindall) {\\n#ifdef SCTP_MVRF\\n\\t\\t\\tfor (i = 0; i < inp->num_vrfs; i++) {\\n\\t\\t\\t\\tvrf_id = inp->m_vrf_ids[i];\\n#else\\n\\t\\t\\t\\tvrf_id = inp->def_vrf_id;\\n#endif\\n\\t\\t\\t\\tinp_tmp = sctp_pcb_findep(addr, 0, 1, vrf_id);\\n\\t\\t\\t\\tif (inp_tmp != NULL) {\\n\\t\\t\\t\\t\\t/*\\n\\t\\t\\t\\t\\t * lock guy returned and lower count\\n\\t\\t\\t\\t\\t * note that we are not bound so\\n\\t\\t\\t\\t\\t * inp_tmp should NEVER be inp. And\\n\\t\\t\\t\\t\\t * it is this inp (inp_tmp) that gets\\n\\t\\t\\t\\t\\t * the reference bump, so we must\\n\\t\\t\\t\\t\\t * lower it.\\n\\t\\t\\t\\t\\t */\\n\\t\\t\\t\\t\\tSCTP_INP_DECR_REF(inp_tmp);\\n\\t\\t\\t\\t\\t/* unlock info */\\n\\t\\t\\t\\t\\tif ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) &&\\n\\t\\t\\t\\t\\t (sctp_is_feature_on(inp_tmp, SCTP_PCB_FLAGS_PORTREUSE))) {\\n\\t\\t\\t\\t\\t\\t/* Ok, must be one-2-one and allowing port re-use */\\n\\t\\t\\t\\t\\t\\tport_reuse_active = 1;\\n\\t\\t\\t\\t\\t\\tgoto continue_anyway;\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tSCTP_INP_DECR_REF(inp);\\n\\t\\t\\t\\t\\tSCTP_INP_INFO_WUNLOCK();\\n\\t\\t\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EADDRINUSE);\\n\\t\\t\\t\\t\\treturn (EADDRINUSE);\\n\\t\\t\\t\\t}\\n#ifdef SCTP_MVRF\\n\\t\\t\\t}\\n#endif\\n\\t\\t} else {\\n\\t\\t\\tinp_tmp = sctp_pcb_findep(addr, 0, 1, vrf_id);\\n\\t\\t\\tif (inp_tmp != NULL) {\\n\\t\\t\\t\\t/*\\n\\t\\t\\t\\t * lock guy returned and lower count note\\n\\t\\t\\t\\t * that we are not bound so inp_tmp should\\n\\t\\t\\t\\t * NEVER be inp. And it is this inp (inp_tmp)\\n\\t\\t\\t\\t * that gets the reference bump, so we must\\n\\t\\t\\t\\t * lower it.\\n\\t\\t\\t\\t */\\n\\t\\t\\t\\tSCTP_INP_DECR_REF(inp_tmp);\\n\\t\\t\\t\\t/* unlock info */\\n\\t\\t\\t\\tif ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) &&\\n\\t\\t\\t\\t (sctp_is_feature_on(inp_tmp, SCTP_PCB_FLAGS_PORTREUSE))) {\\n\\t\\t\\t\\t\\t/* Ok, must be one-2-one and allowing port re-use */\\n\\t\\t\\t\\t\\tport_reuse_active = 1;\\n\\t\\t\\t\\t\\tgoto continue_anyway;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tSCTP_INP_DECR_REF(inp);\\n\\t\\t\\t\\tSCTP_INP_INFO_WUNLOCK();\\n\\t\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EADDRINUSE);\\n\\t\\t\\t\\treturn (EADDRINUSE);\\n\\t\\t\\t}\\n\\t\\t}\\n\\tcontinue_anyway:\\n\\t\\tSCTP_INP_WLOCK(inp);\\n\\t\\tif (bindall) {\\n\\t\\t\\t/* verify that no lport is not used by a singleton */\\n\\t\\t\\tif ((port_reuse_active == 0) &&\\n\\t\\t\\t (inp_tmp = sctp_isport_inuse(inp, lport, vrf_id))) {\\n\\t\\t\\t\\t/* Sorry someone already has this one bound */\\n\\t\\t\\t\\tif ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) &&\\n\\t\\t\\t\\t (sctp_is_feature_on(inp_tmp, SCTP_PCB_FLAGS_PORTREUSE))) {\\n\\t\\t\\t\\t\\tport_reuse_active = 1;\\n\\t\\t\\t\\t} else {\\n\\t\\t\\t\\t\\tSCTP_INP_DECR_REF(inp);\\n\\t\\t\\t\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t\\t\\t\\t\\tSCTP_INP_INFO_WUNLOCK();\\n\\t\\t\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EADDRINUSE);\\n\\t\\t\\t\\t\\treturn (EADDRINUSE);\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t}\\n\\t} else {\\n\\t\\tuint16_t first, last, candidate;\\n\\t\\tuint16_t count;\\n\\t\\tint done;\",\n \"#if defined(__Windows__)\\n\\t\\tfirst = 1;\\n\\t\\tlast = 0xffff;\\n#else\\n#if defined(__Userspace__)\\n\\t\\t/* TODO ensure uid is 0, etc... */\\n#elif defined(__FreeBSD__) || defined(__APPLE__)\\n\\t\\tif (ip_inp->inp_flags & INP_HIGHPORT) {\\n\\t\\t\\tfirst = MODULE_GLOBAL(ipport_hifirstauto);\\n\\t\\t\\tlast = MODULE_GLOBAL(ipport_hilastauto);\\n\\t\\t} else if (ip_inp->inp_flags & INP_LOWPORT) {\\n\\t\\t\\tif (p && (error =\\n#ifdef __FreeBSD__\\n#if __FreeBSD_version > 602000\\n\\t\\t\\t\\t priv_check(p, PRIV_NETINET_RESERVEDPORT)\\n#elif __FreeBSD_version >= 500000\\n\\t\\t\\t\\t suser_cred(p->td_ucred, 0)\\n#else\\n\\t\\t\\t\\t suser(p)\\n#endif\\n#elif defined(__APPLE__)\\n\\t\\t\\t\\t suser(p->p_ucred, &p->p_acflag)\\n#else\\n\\t\\t\\t\\t suser(p, 0)\\n#endif\\n\\t\\t\\t\\t )) {\\n\\t\\t\\t\\tSCTP_INP_DECR_REF(inp);\\n\\t\\t\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t\\t\\t\\tSCTP_INP_INFO_WUNLOCK();\\n\\t\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, error);\\n\\t\\t\\t\\treturn (error);\\n\\t\\t\\t}\\n\\t\\t\\tfirst = MODULE_GLOBAL(ipport_lowfirstauto);\\n\\t\\t\\tlast = MODULE_GLOBAL(ipport_lowlastauto);\\n\\t\\t} else {\\n#endif\\n\\t\\t\\tfirst = MODULE_GLOBAL(ipport_firstauto);\\n\\t\\t\\tlast = MODULE_GLOBAL(ipport_lastauto);\\n#if defined(__FreeBSD__) || defined(__APPLE__)\\n\\t\\t}\\n#endif\\n#endif /* __Windows__ */\\n\\t\\tif (first > last) {\\n\\t\\t\\tuint16_t temp;\",\n \"\\t\\t\\ttemp = first;\\n\\t\\t\\tfirst = last;\\n\\t\\t\\tlast = temp;\\n\\t\\t}\\n\\t\\tcount = last - first + 1; /* number of candidates */\\n\\t\\tcandidate = first + sctp_select_initial_TSN(&inp->sctp_ep) % (count);\",\n \"\\t\\tdone = 0;\\n\\t\\twhile (!done) {\\n#ifdef SCTP_MVRF\\n\\t\\t\\tfor (i = 0; i < inp->num_vrfs; i++) {\\n\\t\\t\\t\\tif (sctp_isport_inuse(inp, htons(candidate), inp->m_vrf_ids[i]) != NULL) {\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t\\tif (i == inp->num_vrfs) {\\n\\t\\t\\t\\tdone = 1;\\n\\t\\t\\t}\\n#else\\n\\t\\t\\tif (sctp_isport_inuse(inp, htons(candidate), inp->def_vrf_id) == NULL) {\\n\\t\\t\\t\\tdone = 1;\\n\\t\\t\\t}\\n#endif\\n\\t\\t\\tif (!done) {\\n\\t\\t\\t\\tif (--count == 0) {\\n\\t\\t\\t\\t\\tSCTP_INP_DECR_REF(inp);\\n\\t\\t\\t\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t\\t\\t\\t\\tSCTP_INP_INFO_WUNLOCK();\\n\\t\\t\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EADDRINUSE);\\n\\t\\t\\t\\t\\treturn (EADDRINUSE);\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tif (candidate == last)\\n\\t\\t\\t\\t\\tcandidate = first;\\n\\t\\t\\t\\telse\\n\\t\\t\\t\\t\\tcandidate = candidate + 1;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\tlport = htons(candidate);\\n\\t}\\n\\tSCTP_INP_DECR_REF(inp);\\n\\tif (inp->sctp_flags & (SCTP_PCB_FLAGS_SOCKET_GONE |\\n\\t\\t\\t SCTP_PCB_FLAGS_SOCKET_ALLGONE)) {\\n\\t\\t/*\\n\\t\\t * this really should not happen. The guy did a non-blocking\\n\\t\\t * bind and then did a close at the same time.\\n\\t\\t */\\n\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t\\tSCTP_INP_INFO_WUNLOCK();\\n\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\\n\\t\\treturn (EINVAL);\\n\\t}\\n\\t/* ok we look clear to give out this port, so lets setup the binding */\\n\\tif (bindall) {\\n\\t\\t/* binding to all addresses, so just set in the proper flags */\\n\\t\\tinp->sctp_flags |= SCTP_PCB_FLAGS_BOUNDALL;\\n\\t\\t/* set the automatic addr changes from kernel flag */\\n\\t\\tif (SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) {\\n\\t\\t\\tsctp_feature_off(inp, SCTP_PCB_FLAGS_DO_ASCONF);\\n\\t\\t\\tsctp_feature_off(inp, SCTP_PCB_FLAGS_AUTO_ASCONF);\\n\\t\\t} else {\\n\\t\\t\\tsctp_feature_on(inp, SCTP_PCB_FLAGS_DO_ASCONF);\\n\\t\\t\\tsctp_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF);\\n\\t\\t}\\n\\t\\tif (SCTP_BASE_SYSCTL(sctp_multiple_asconfs) == 0) {\\n\\t\\t\\tsctp_feature_off(inp, SCTP_PCB_FLAGS_MULTIPLE_ASCONFS);\\n\\t\\t} else {\\n\\t\\t\\tsctp_feature_on(inp, SCTP_PCB_FLAGS_MULTIPLE_ASCONFS);\\n\\t\\t}\\n\\t\\t/* set the automatic mobility_base from kernel\\n\\t\\t flag (by micchie)\\n\\t\\t*/\\n\\t\\tif (SCTP_BASE_SYSCTL(sctp_mobility_base) == 0) {\\n\\t\\t\\tsctp_mobility_feature_off(inp, SCTP_MOBILITY_BASE);\\n\\t\\t\\tsctp_mobility_feature_off(inp, SCTP_MOBILITY_PRIM_DELETED);\\n\\t\\t} else {\\n\\t\\t\\tsctp_mobility_feature_on(inp, SCTP_MOBILITY_BASE);\\n\\t\\t\\tsctp_mobility_feature_off(inp, SCTP_MOBILITY_PRIM_DELETED);\\n\\t\\t}\\n\\t\\t/* set the automatic mobility_fasthandoff from kernel\\n\\t\\t flag (by micchie)\\n\\t\\t*/\\n\\t\\tif (SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff) == 0) {\\n\\t\\t\\tsctp_mobility_feature_off(inp, SCTP_MOBILITY_FASTHANDOFF);\\n\\t\\t\\tsctp_mobility_feature_off(inp, SCTP_MOBILITY_PRIM_DELETED);\\n\\t\\t} else {\\n\\t\\t\\tsctp_mobility_feature_on(inp, SCTP_MOBILITY_FASTHANDOFF);\\n\\t\\t\\tsctp_mobility_feature_off(inp, SCTP_MOBILITY_PRIM_DELETED);\\n\\t\\t}\\n\\t} else {\\n\\t\\t/*\\n\\t\\t * bind specific, make sure flags is off and add a new\\n\\t\\t * address structure to the sctp_addr_list inside the ep\\n\\t\\t * structure.\\n\\t\\t *\\n\\t\\t * We will need to allocate one and insert it at the head. The\\n\\t\\t * socketopt call can just insert new addresses in there as\\n\\t\\t * well. It will also have to do the embed scope kame hack\\n\\t\\t * too (before adding).\\n\\t\\t */\\n\\t\\tstruct sctp_ifa *ifa;\\n\\t\\tunion sctp_sockstore store;\",\n \"\\t\\tmemset(&store, 0, sizeof(store));\\n\\t\\tswitch (addr->sa_family) {\\n#ifdef INET\\n\\t\\tcase AF_INET:\\n\\t\\t\\tmemcpy(&store.sin, addr, sizeof(struct sockaddr_in));\\n\\t\\t\\tstore.sin.sin_port = 0;\\n\\t\\t\\tbreak;\\n#endif\\n#ifdef INET6\\n\\t\\tcase AF_INET6:\\n\\t\\t\\tmemcpy(&store.sin6, addr, sizeof(struct sockaddr_in6));\\n\\t\\t\\tstore.sin6.sin6_port = 0;\\n\\t\\t\\tbreak;\\n#endif\\n#if defined(__Userspace__)\\n\\t\\tcase AF_CONN:\\n\\t\\t\\tmemcpy(&store.sconn, addr, sizeof(struct sockaddr_conn));\\n\\t\\t\\tstore.sconn.sconn_port = 0;\\n\\t\\t\\tbreak;\\n#endif\\n\\t\\tdefault:\\n\\t\\t\\tbreak;\\n\\t\\t}\\n\\t\\t/*\\n\\t\\t * first find the interface with the bound address need to\\n\\t\\t * zero out the port to find the address! yuck! can't do\\n\\t\\t * this earlier since need port for sctp_pcb_findep()\\n\\t\\t */\\n\\t\\tif (sctp_ifap != NULL) {\\n\\t\\t\\tifa = sctp_ifap;\\n\\t\\t} else {\\n\\t\\t\\t/* Note for BSD we hit here always other\\n\\t\\t\\t * O/S's will pass things in via the\\n\\t\\t\\t * sctp_ifap argument (Panda).\\n\\t\\t\\t */\\n\\t\\t\\tifa = sctp_find_ifa_by_addr(&store.sa,\\n\\t\\t\\t\\t\\t\\t vrf_id, SCTP_ADDR_NOT_LOCKED);\\n\\t\\t}\\n\\t\\tif (ifa == NULL) {\\n\\t\\t\\t/* Can't find an interface with that address */\\n\\t\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t\\t\\tSCTP_INP_INFO_WUNLOCK();\\n\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EADDRNOTAVAIL);\\n\\t\\t\\treturn (EADDRNOTAVAIL);\\n\\t\\t}\\n#ifdef INET6\\n\\t\\tif (addr->sa_family == AF_INET6) {\\n\\t\\t\\t/* GAK, more FIXME IFA lock? */\\n\\t\\t\\tif (ifa->localifa_flags & SCTP_ADDR_IFA_UNUSEABLE) {\\n\\t\\t\\t\\t/* Can't bind a non-existent addr. */\\n\\t\\t\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t\\t\\t\\tSCTP_INP_INFO_WUNLOCK();\\n\\t\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\\n\\t\\t\\t\\treturn (EINVAL);\\n\\t\\t\\t}\\n\\t\\t}\\n#endif\\n\\t\\t/* we're not bound all */\\n\\t\\tinp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUNDALL;\\n\\t\\t/* allow bindx() to send ASCONF's for binding changes */\\n\\t\\tsctp_feature_on(inp, SCTP_PCB_FLAGS_DO_ASCONF);\\n\\t\\t/* clear automatic addr changes from kernel flag */\\n\\t\\tsctp_feature_off(inp, SCTP_PCB_FLAGS_AUTO_ASCONF);\",\n \"\\t\\t/* add this address to the endpoint list */\\n\\t\\terror = sctp_insert_laddr(&inp->sctp_addr_list, ifa, 0);\\n\\t\\tif (error != 0) {\\n\\t\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t\\t\\tSCTP_INP_INFO_WUNLOCK();\\n\\t\\t\\treturn (error);\\n\\t\\t}\\n\\t\\tinp->laddr_count++;\\n\\t}\\n\\t/* find the bucket */\\n\\tif (port_reuse_active) {\\n\\t\\t/* Put it into tcp 1-2-1 hash */\\n\\t\\thead = &SCTP_BASE_INFO(sctp_tcpephash)[SCTP_PCBHASH_ALLADDR(lport, SCTP_BASE_INFO(hashtcpmark))];\\n\\t\\tinp->sctp_flags |= SCTP_PCB_FLAGS_IN_TCPPOOL;\\n\\t} else {\\n\\t\\thead = &SCTP_BASE_INFO(sctp_ephash)[SCTP_PCBHASH_ALLADDR(lport, SCTP_BASE_INFO(hashmark))];\\n\\t}\\n\\t/* put it in the bucket */\\n\\tLIST_INSERT_HEAD(head, inp, sctp_hash);\\n\\tSCTPDBG(SCTP_DEBUG_PCB1, \\\"Main hash to bind at head:%p, bound port:%d - in tcp_pool=%d\\\\n\\\",\\n\\t\\t(void *)head, ntohs(lport), port_reuse_active);\\n\\t/* set in the port */\\n\\tinp->sctp_lport = lport;\",\n \"\\t/* turn off just the unbound flag */\\n\\tinp->sctp_flags &= ~SCTP_PCB_FLAGS_UNBOUND;\\n\\tSCTP_INP_WUNLOCK(inp);\\n\\tSCTP_INP_INFO_WUNLOCK();\\n\\treturn (0);\\n}\",\n \"\\nstatic void\\nsctp_iterator_inp_being_freed(struct sctp_inpcb *inp)\\n{\\n\\tstruct sctp_iterator *it, *nit;\",\n \"\\t/*\\n\\t * We enter with the only the ITERATOR_LOCK in place and a write\\n\\t * lock on the inp_info stuff.\\n\\t */\\n\\tit = sctp_it_ctl.cur_it;\\n#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\\n\\tif (it && (it->vn != curvnet)) {\\n\\t\\t/* Its not looking at our VNET */\\n\\t\\treturn;\\n\\t}\\n#endif\\n\\tif (it && (it->inp == inp)) {\\n\\t\\t/*\\n\\t\\t * This is tricky and we hold the iterator lock,\\n\\t\\t * but when it returns and gets the lock (when we\\n\\t\\t * release it) the iterator will try to operate on\\n\\t\\t * inp. We need to stop that from happening. But\\n\\t\\t * of course the iterator has a reference on the\\n\\t\\t * stcb and inp. We can mark it and it will stop.\\n\\t\\t *\\n\\t\\t * If its a single iterator situation, we\\n\\t\\t * set the end iterator flag. Otherwise\\n\\t\\t * we set the iterator to go to the next inp.\\n\\t\\t *\\n\\t\\t */\\n\\t\\tif (it->iterator_flags & SCTP_ITERATOR_DO_SINGLE_INP) {\\n\\t\\t\\tsctp_it_ctl.iterator_flags |= SCTP_ITERATOR_STOP_CUR_IT;\\n\\t\\t} else {\\n\\t\\t\\tsctp_it_ctl.iterator_flags |= SCTP_ITERATOR_STOP_CUR_INP;\\n\\t\\t}\\n\\t}\\n\\t/* Now go through and remove any single reference to\\n\\t * our inp that may be still pending on the list\\n\\t */\\n\\tSCTP_IPI_ITERATOR_WQ_LOCK();\\n\\tTAILQ_FOREACH_SAFE(it, &sctp_it_ctl.iteratorhead, sctp_nxt_itr, nit) {\\n#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\\n\\t\\tif (it->vn != curvnet) {\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n#endif\\n\\t\\tif (it->inp == inp) {\\n\\t\\t\\t/* This one points to me is it inp specific? */\\n\\t\\t\\tif (it->iterator_flags & SCTP_ITERATOR_DO_SINGLE_INP) {\\n\\t\\t\\t\\t/* Remove and free this one */\\n\\t\\t\\t\\tTAILQ_REMOVE(&sctp_it_ctl.iteratorhead,\\n\\t\\t\\t\\t it, sctp_nxt_itr);\\n\\t\\t\\t\\tif (it->function_atend != NULL) {\\n\\t\\t\\t\\t\\t(*it->function_atend) (it->pointer, it->val);\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tSCTP_FREE(it, SCTP_M_ITER);\\n\\t\\t\\t} else {\\n\\t\\t\\t\\tit->inp = LIST_NEXT(it->inp, sctp_list);\\n\\t\\t\\t\\tif (it->inp) {\\n\\t\\t\\t\\t\\tSCTP_INP_INCR_REF(it->inp);\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t\\t/* When its put in the refcnt is incremented so decr it */\\n\\t\\t\\tSCTP_INP_DECR_REF(inp);\\n\\t\\t}\\n\\t}\\n\\tSCTP_IPI_ITERATOR_WQ_UNLOCK();\\n}\",\n \"/* release sctp_inpcb unbind the port */\\nvoid\\nsctp_inpcb_free(struct sctp_inpcb *inp, int immediate, int from)\\n{\\n\\t/*\\n\\t * Here we free a endpoint. We must find it (if it is in the Hash\\n\\t * table) and remove it from there. Then we must also find it in the\\n\\t * overall list and remove it from there. After all removals are\\n\\t * complete then any timer has to be stopped. Then start the actual\\n\\t * freeing. a) Any local lists. b) Any associations. c) The hash of\\n\\t * all associations. d) finally the ep itself.\\n\\t */\\n\\tstruct sctp_tcb *asoc, *nasoc;\\n\\tstruct sctp_laddr *laddr, *nladdr;\\n\\tstruct inpcb *ip_pcb;\\n\\tstruct socket *so;\\n\\tint being_refed = 0;\\n\\tstruct sctp_queued_to_read *sq, *nsq;\\n#if !defined(__Panda__) && !defined(__Userspace__)\\n#if !defined(__FreeBSD__) || __FreeBSD_version < 500000\\n\\tsctp_rtentry_t *rt;\\n#endif\\n#endif\\n\\tint cnt;\\n\\tsctp_sharedkey_t *shared_key, *nshared_key;\",\n \"\\n#if defined(__APPLE__)\\n\\tsctp_lock_assert(SCTP_INP_SO(inp));\\n#endif\\n#ifdef SCTP_LOG_CLOSING\\n\\tsctp_log_closing(inp, NULL, 0);\\n#endif\\n\\tSCTP_ITERATOR_LOCK();\\n\\t/* mark any iterators on the list or being processed */\\n\\tsctp_iterator_inp_being_freed(inp);\\n\\tSCTP_ITERATOR_UNLOCK();\\n\\tso = inp->sctp_socket;\\n\\tif (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {\\n\\t\\t/* been here before.. eeks.. get out of here */\\n\\t\\tSCTP_PRINTF(\\\"This conflict in free SHOULD not be happening! from %d, imm %d\\\\n\\\", from, immediate);\\n#ifdef SCTP_LOG_CLOSING\\n\\t\\tsctp_log_closing(inp, NULL, 1);\\n#endif\\n\\t\\treturn;\\n\\t}\\n\\tSCTP_ASOC_CREATE_LOCK(inp);\\n\\tSCTP_INP_INFO_WLOCK();\",\n \"\\tSCTP_INP_WLOCK(inp);\\n\\tif (from == SCTP_CALLED_AFTER_CMPSET_OFCLOSE) {\\n\\t\\tinp->sctp_flags &= ~SCTP_PCB_FLAGS_CLOSE_IP;\\n\\t\\t/* socket is gone, so no more wakeups allowed */\\n\\t\\tinp->sctp_flags |= SCTP_PCB_FLAGS_DONT_WAKE;\\n\\t\\tinp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT;\\n\\t\\tinp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT;\",\n \"\\t}\\n\\t/* First time through we have the socket lock, after that no more. */\\n\\tsctp_timer_stop(SCTP_TIMER_TYPE_NEWCOOKIE, inp, NULL, NULL,\\n\\t\\t\\tSCTP_FROM_SCTP_PCB + SCTP_LOC_1);\",\n \"\\tif (inp->control) {\\n\\t\\tsctp_m_freem(inp->control);\\n\\t\\tinp->control = NULL;\\n\\t}\\n\\tif (inp->pkt) {\\n\\t\\tsctp_m_freem(inp->pkt);\\n\\t\\tinp->pkt = NULL;\\n\\t}\\n\\tip_pcb = &inp->ip_inp.inp;\\t/* we could just cast the main pointer\\n\\t\\t\\t\\t\\t * here but I will be nice :> (i.e.\\n\\t\\t\\t\\t\\t * ip_pcb = ep;) */\\n\\tif (immediate == SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE) {\\n\\t\\tint cnt_in_sd;\",\n \"\\t\\tcnt_in_sd = 0;\\n\\t\\tLIST_FOREACH_SAFE(asoc, &inp->sctp_asoc_list, sctp_tcblist, nasoc) {\\n\\t\\t\\tSCTP_TCB_LOCK(asoc);\\n\\t\\t\\tif (asoc->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {\\n\\t\\t\\t\\t/* Skip guys being freed */\\n\\t\\t\\t\\tcnt_in_sd++;\\n\\t\\t\\t\\tif (asoc->asoc.state & SCTP_STATE_IN_ACCEPT_QUEUE) {\\n\\t\\t\\t\\t\\t/*\\n\\t\\t\\t\\t\\t * Special case - we did not start a kill\\n\\t\\t\\t\\t\\t * timer on the asoc due to it was not\\n\\t\\t\\t\\t\\t * closed. So go ahead and start it now.\\n\\t\\t\\t\\t\\t */\\n\\t\\t\\t\\t\\tSCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_IN_ACCEPT_QUEUE);\\n\\t\\t\\t\\t\\tsctp_timer_start(SCTP_TIMER_TYPE_ASOCKILL, inp, asoc, NULL);\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tSCTP_TCB_UNLOCK(asoc);\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\tif (((SCTP_GET_STATE(asoc) == SCTP_STATE_COOKIE_WAIT) ||\\n\\t\\t\\t (SCTP_GET_STATE(asoc) == SCTP_STATE_COOKIE_ECHOED)) &&\\n\\t\\t\\t (asoc->asoc.total_output_queue_size == 0)) {\\n\\t\\t\\t\\t/* If we have data in queue, we don't want to just\\n\\t\\t\\t\\t * free since the app may have done, send()/close\\n\\t\\t\\t\\t * or connect/send/close. And it wants the data\\n\\t\\t\\t\\t * to get across first.\\n\\t\\t\\t\\t */\\n\\t\\t\\t\\t/* Just abandon things in the front states */\\n\\t\\t\\t\\tif (sctp_free_assoc(inp, asoc, SCTP_PCBFREE_NOFORCE,\\n\\t\\t\\t\\t\\t\\t SCTP_FROM_SCTP_PCB + SCTP_LOC_2) == 0) {\\n\\t\\t\\t\\t\\tcnt_in_sd++;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\t/* Disconnect the socket please */\\n\\t\\t\\tasoc->sctp_socket = NULL;\\n\\t\\t\\tSCTP_ADD_SUBSTATE(asoc, SCTP_STATE_CLOSED_SOCKET);\\n\\t\\t\\tif ((asoc->asoc.size_on_reasm_queue > 0) ||\\n\\t\\t\\t (asoc->asoc.control_pdapi) ||\\n\\t\\t\\t (asoc->asoc.size_on_all_streams > 0) ||\\n\\t\\t\\t (so && (so->so_rcv.sb_cc > 0))) {\\n\\t\\t\\t\\t/* Left with Data unread */\\n\\t\\t\\t\\tstruct mbuf *op_err;\",\n \"\\t\\t\\t\\top_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, \\\"\\\");\\n\\t\\t\\t\\tasoc->sctp_ep->last_abort_code = SCTP_FROM_SCTP_PCB + SCTP_LOC_3;\\n\\t\\t\\t\\tsctp_send_abort_tcb(asoc, op_err, SCTP_SO_LOCKED);\\n\\t\\t\\t\\tSCTP_STAT_INCR_COUNTER32(sctps_aborted);\\n\\t\\t\\t\\tif ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) ||\\n\\t\\t\\t\\t (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {\\n\\t\\t\\t\\t\\tSCTP_STAT_DECR_GAUGE32(sctps_currestab);\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tif (sctp_free_assoc(inp, asoc,\\n\\t\\t\\t\\t\\t\\t SCTP_PCBFREE_NOFORCE, SCTP_FROM_SCTP_PCB + SCTP_LOC_4) == 0) {\\n\\t\\t\\t\\t\\tcnt_in_sd++;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t} else if (TAILQ_EMPTY(&asoc->asoc.send_queue) &&\\n\\t\\t\\t TAILQ_EMPTY(&asoc->asoc.sent_queue) &&\\n\\t\\t\\t (asoc->asoc.stream_queue_cnt == 0)) {\\n\\t\\t\\t\\tif ((*asoc->asoc.ss_functions.sctp_ss_is_user_msgs_incomplete)(asoc, &asoc->asoc)) {\\n\\t\\t\\t\\t\\tgoto abort_anyway;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tif ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) &&\\n\\t\\t\\t\\t (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) {\\n\\t\\t\\t\\t\\tstruct sctp_nets *netp;\",\n \"\\t\\t\\t\\t\\t/*\\n\\t\\t\\t\\t\\t * there is nothing queued to send,\\n\\t\\t\\t\\t\\t * so I send shutdown\\n\\t\\t\\t\\t\\t */\\n\\t\\t\\t\\t\\tif ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) ||\\n\\t\\t\\t\\t\\t (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {\\n\\t\\t\\t\\t\\t\\tSCTP_STAT_DECR_GAUGE32(sctps_currestab);\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tSCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT);\\n\\t\\t\\t\\t\\tsctp_stop_timers_for_shutdown(asoc);\\n\\t\\t\\t\\t\\tif (asoc->asoc.alternate) {\\n\\t\\t\\t\\t\\t\\tnetp = asoc->asoc.alternate;\\n\\t\\t\\t\\t\\t} else {\\n\\t\\t\\t\\t\\t\\tnetp = asoc->asoc.primary_destination;\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tsctp_send_shutdown(asoc, netp);\\n\\t\\t\\t\\t\\tsctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, asoc->sctp_ep, asoc,\\n\\t\\t\\t\\t\\t netp);\\n\\t\\t\\t\\t\\tsctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, asoc->sctp_ep, asoc,\\n\\t\\t\\t\\t\\t asoc->asoc.primary_destination);\\n\\t\\t\\t\\t\\tsctp_chunk_output(inp, asoc, SCTP_OUTPUT_FROM_SHUT_TMR, SCTP_SO_LOCKED);\\n\\t\\t\\t\\t}\\n\\t\\t\\t} else {\\n\\t\\t\\t\\t/* mark into shutdown pending */\\n\\t\\t\\t\\tSCTP_ADD_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING);\\n\\t\\t\\t\\tsctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, asoc->sctp_ep, asoc,\\n\\t\\t\\t\\t\\t\\t asoc->asoc.primary_destination);\\n\\t\\t\\t\\tif ((*asoc->asoc.ss_functions.sctp_ss_is_user_msgs_incomplete)(asoc, &asoc->asoc)) {\\n\\t\\t\\t\\t\\tSCTP_ADD_SUBSTATE(asoc, SCTP_STATE_PARTIAL_MSG_LEFT);\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tif (TAILQ_EMPTY(&asoc->asoc.send_queue) &&\\n\\t\\t\\t\\t TAILQ_EMPTY(&asoc->asoc.sent_queue) &&\\n\\t\\t\\t\\t (asoc->asoc.state & SCTP_STATE_PARTIAL_MSG_LEFT)) {\\n\\t\\t\\t\\t\\tstruct mbuf *op_err;\\n\\t\\t\\t\\tabort_anyway:\\n\\t\\t\\t\\t\\top_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, \\\"\\\");\\n\\t\\t\\t\\t\\tasoc->sctp_ep->last_abort_code = SCTP_FROM_SCTP_PCB + SCTP_LOC_5;\\n\\t\\t\\t\\t\\tsctp_send_abort_tcb(asoc, op_err, SCTP_SO_LOCKED);\\n\\t\\t\\t\\t\\tSCTP_STAT_INCR_COUNTER32(sctps_aborted);\\n\\t\\t\\t\\t\\tif ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) ||\\n\\t\\t\\t\\t\\t (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {\\n\\t\\t\\t\\t\\t\\tSCTP_STAT_DECR_GAUGE32(sctps_currestab);\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tif (sctp_free_assoc(inp, asoc,\\n\\t\\t\\t\\t\\t\\t\\t SCTP_PCBFREE_NOFORCE,\\n\\t\\t\\t\\t\\t\\t\\t SCTP_FROM_SCTP_PCB + SCTP_LOC_6) == 0) {\\n\\t\\t\\t\\t\\t\\tcnt_in_sd++;\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tcontinue;\\n\\t\\t\\t\\t} else {\\n\\t\\t\\t\\t\\tsctp_chunk_output(inp, asoc, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED);\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t\\tcnt_in_sd++;\\n\\t\\t\\tSCTP_TCB_UNLOCK(asoc);\\n\\t\\t}\\n\\t\\t/* now is there some left in our SHUTDOWN state? */\\n\\t\\tif (cnt_in_sd) {\\n#ifdef SCTP_LOG_CLOSING\\n\\t\\t\\tsctp_log_closing(inp, NULL, 2);\\n#endif\\n\\t\\t\\tinp->sctp_socket = NULL;\\n\\t\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t\\t\\tSCTP_ASOC_CREATE_UNLOCK(inp);\\n\\t\\t\\tSCTP_INP_INFO_WUNLOCK();\\n\\t\\t\\treturn;\\n\\t\\t}\\n\\t}\\n\\tinp->sctp_socket = NULL;\\n\\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) !=\\n\\t SCTP_PCB_FLAGS_UNBOUND) {\\n\\t\\t/*\\n\\t\\t * ok, this guy has been bound. It's port is\\n\\t\\t * somewhere in the SCTP_BASE_INFO(hash table). Remove\\n\\t\\t * it!\\n\\t\\t */\\n\\t\\tLIST_REMOVE(inp, sctp_hash);\\n\\t\\tinp->sctp_flags |= SCTP_PCB_FLAGS_UNBOUND;\\n\\t}\",\n \"\\t/* If there is a timer running to kill us,\\n\\t * forget it, since it may have a contest\\n\\t * on the INP lock.. which would cause us\\n\\t * to die ...\\n\\t */\\n\\tcnt = 0;\\n\\tLIST_FOREACH_SAFE(asoc, &inp->sctp_asoc_list, sctp_tcblist, nasoc) {\\n\\t\\tSCTP_TCB_LOCK(asoc);\\n\\t\\tif (asoc->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {\\n\\t\\t\\tif (asoc->asoc.state & SCTP_STATE_IN_ACCEPT_QUEUE) {\\n\\t\\t\\t\\tSCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_IN_ACCEPT_QUEUE);\\n\\t\\t\\t\\tsctp_timer_start(SCTP_TIMER_TYPE_ASOCKILL, inp, asoc, NULL);\\n\\t\\t\\t}\\n\\t\\t cnt++;\\n\\t\\t\\tSCTP_TCB_UNLOCK(asoc);\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\t/* Free associations that are NOT killing us */\\n\\t\\tif ((SCTP_GET_STATE(asoc) != SCTP_STATE_COOKIE_WAIT) &&\\n\\t\\t ((asoc->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) == 0)) {\\n\\t\\t\\tstruct mbuf *op_err;\",\n \"\\t\\t\\top_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, \\\"\\\");\\n\\t\\t\\tasoc->sctp_ep->last_abort_code = SCTP_FROM_SCTP_PCB + SCTP_LOC_7;\\n\\t\\t\\tsctp_send_abort_tcb(asoc, op_err, SCTP_SO_LOCKED);\\n\\t\\t\\tSCTP_STAT_INCR_COUNTER32(sctps_aborted);\\n\\t\\t} else if (asoc->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {\\n\\t\\t\\tcnt++;\\n\\t\\t\\tSCTP_TCB_UNLOCK(asoc);\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\tif ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) ||\\n\\t\\t (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {\\n\\t\\t\\tSCTP_STAT_DECR_GAUGE32(sctps_currestab);\\n\\t\\t}\\n\\t\\tif (sctp_free_assoc(inp, asoc, SCTP_PCBFREE_FORCE,\\n\\t\\t SCTP_FROM_SCTP_PCB + SCTP_LOC_8) == 0) {\\n\\t\\t\\tcnt++;\\n\\t\\t}\\n\\t}\\n\\tif (cnt) {\\n\\t\\t/* Ok we have someone out there that will kill us */\\n\\t\\t(void)SCTP_OS_TIMER_STOP(&inp->sctp_ep.signature_change.timer);\\n#ifdef SCTP_LOG_CLOSING\\n\\t\\tsctp_log_closing(inp, NULL, 3);\\n#endif\\n\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t\\tSCTP_ASOC_CREATE_UNLOCK(inp);\\n\\t\\tSCTP_INP_INFO_WUNLOCK();\\n\\t\\treturn;\\n\\t}\\n\\tif (SCTP_INP_LOCK_CONTENDED(inp))\\n\\t\\tbeing_refed++;\\n\\tif (SCTP_INP_READ_CONTENDED(inp))\\n\\t\\tbeing_refed++;\\n\\tif (SCTP_ASOC_CREATE_LOCK_CONTENDED(inp))\\n\\t\\tbeing_refed++;\",\n \"\\tif ((inp->refcount) ||\\n\\t (being_refed) ||\\n\\t (inp->sctp_flags & SCTP_PCB_FLAGS_CLOSE_IP)) {\\n\\t\\t(void)SCTP_OS_TIMER_STOP(&inp->sctp_ep.signature_change.timer);\\n#ifdef SCTP_LOG_CLOSING\\n\\t\\tsctp_log_closing(inp, NULL, 4);\\n#endif\\n\\t\\tsctp_timer_start(SCTP_TIMER_TYPE_INPKILL, inp, NULL, NULL);\\n\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t\\tSCTP_ASOC_CREATE_UNLOCK(inp);\\n\\t\\tSCTP_INP_INFO_WUNLOCK();\\n\\t\\treturn;\\n\\t}\\n\\tinp->sctp_ep.signature_change.type = 0;\\n\\tinp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_ALLGONE;\\n\\t/* Remove it from the list .. last thing we need a\\n\\t * lock for.\\n\\t */\\n\\tLIST_REMOVE(inp, sctp_list);\\n\\tSCTP_INP_WUNLOCK(inp);\\n\\tSCTP_ASOC_CREATE_UNLOCK(inp);\\n\\tSCTP_INP_INFO_WUNLOCK();\\n\\t/* Now we release all locks. Since this INP\\n\\t * cannot be found anymore except possibly by the\\n\\t * kill timer that might be running. We call\\n\\t * the drain function here. It should hit the case\\n\\t * were it sees the ACTIVE flag cleared and exit\\n\\t * out freeing us to proceed and destroy everything.\\n\\t */\\n\\tif (from != SCTP_CALLED_FROM_INPKILL_TIMER) {\\n\\t\\t(void)SCTP_OS_TIMER_STOP_DRAIN(&inp->sctp_ep.signature_change.timer);\\n\\t} else {\\n\\t\\t/* Probably un-needed */\\n\\t\\t(void)SCTP_OS_TIMER_STOP(&inp->sctp_ep.signature_change.timer);\\n\\t}\",\n \"#ifdef SCTP_LOG_CLOSING\\n\\tsctp_log_closing(inp, NULL, 5);\\n#endif\",\n \"#if !(defined(__Panda__) || defined(__Windows__) || defined(__Userspace__))\\n#if !defined(__FreeBSD__) || __FreeBSD_version < 500000\\n\\trt = ip_pcb->inp_route.ro_rt;\\n#endif\\n#endif\",\n \"\\tif ((inp->sctp_asocidhash) != NULL) {\\n\\t\\tSCTP_HASH_FREE(inp->sctp_asocidhash, inp->hashasocidmark);\\n\\t\\tinp->sctp_asocidhash = NULL;\\n\\t}\\n\\t/*sa_ignore FREED_MEMORY*/\\n\\tTAILQ_FOREACH_SAFE(sq, &inp->read_queue, next, nsq) {\\n\\t\\t/* Its only abandoned if it had data left */\\n\\t\\tif (sq->length)\\n\\t\\t\\tSCTP_STAT_INCR(sctps_left_abandon);\",\n \"\\t\\tTAILQ_REMOVE(&inp->read_queue, sq, next);\\n\\t\\tsctp_free_remote_addr(sq->whoFrom);\\n\\t\\tif (so)\\n\\t\\t\\tso->so_rcv.sb_cc -= sq->length;\\n\\t\\tif (sq->data) {\\n\\t\\t\\tsctp_m_freem(sq->data);\\n\\t\\t\\tsq->data = NULL;\\n\\t\\t}\\n\\t\\t/*\\n\\t\\t * no need to free the net count, since at this point all\\n\\t\\t * assoc's are gone.\\n\\t\\t */\\n\\t\\tsctp_free_a_readq(NULL, sq);\\n\\t}\\n\\t/* Now the sctp_pcb things */\\n\\t/*\\n\\t * free each asoc if it is not already closed/free. we can't use the\\n\\t * macro here since le_next will get freed as part of the\\n\\t * sctp_free_assoc() call.\\n\\t */\\n#ifndef __Panda__\\n\\tif (ip_pcb->inp_options) {\\n\\t\\t(void)sctp_m_free(ip_pcb->inp_options);\\n\\t\\tip_pcb->inp_options = 0;\\n\\t}\\n#endif\",\n \"#if !(defined(__Panda__) || defined(__Windows__) || defined(__Userspace__))\\n#if !defined(__FreeBSD__) || __FreeBSD_version < 500000\\n\\tif (rt) {\\n\\t\\tRTFREE(rt);\\n\\t\\tip_pcb->inp_route.ro_rt = 0;\\n\\t}\\n#endif\\n#if defined(__FreeBSD__) && __FreeBSD_version < 803000\\n#ifdef INET\\n\\tif (ip_pcb->inp_moptions) {\\n\\t\\tinp_freemoptions(ip_pcb->inp_moptions);\\n\\t\\tip_pcb->inp_moptions = 0;\\n\\t}\\n#endif\\n#endif\\n#endif\",\n \"#ifdef INET6\\n#if !(defined(__Panda__) || defined(__Windows__) || defined(__Userspace__))\\n#if defined(__FreeBSD__) || defined(__APPLE__)\\n\\tif (ip_pcb->inp_vflag & INP_IPV6) {\\n#else\\n\\tif (inp->inp_vflag & INP_IPV6) {\\n#endif\\n\\t\\tip6_freepcbopts(ip_pcb->in6p_outputopts);\\n\\t}\\n#endif\\n#endif\\t\\t\\t\\t/* INET6 */\\n#if !(defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__))\\n\\tinp->inp_vflag = 0;\\n#else\\n\\tip_pcb->inp_vflag = 0;\\n#endif\\n\\t/* free up authentication fields */\\n\\tif (inp->sctp_ep.local_auth_chunks != NULL)\\n\\t\\tsctp_free_chunklist(inp->sctp_ep.local_auth_chunks);\\n\\tif (inp->sctp_ep.local_hmacs != NULL)\\n\\t\\tsctp_free_hmaclist(inp->sctp_ep.local_hmacs);\",\n \"\\tLIST_FOREACH_SAFE(shared_key, &inp->sctp_ep.shared_keys, next, nshared_key) {\\n\\t\\tLIST_REMOVE(shared_key, next);\\n\\t\\tsctp_free_sharedkey(shared_key);\\n\\t\\t/*sa_ignore FREED_MEMORY*/\\n\\t}\",\n \"#if defined(__APPLE__)\\n\\tinp->ip_inp.inp.inp_state = INPCB_STATE_DEAD;\\n\\tif (in_pcb_checkstate(&inp->ip_inp.inp, WNT_STOPUSING, 1) != WNT_STOPUSING) {\\n#ifdef INVARIANTS\\n\\t\\tpanic(\\\"sctp_inpcb_free inp = %p couldn't set to STOPUSING\\\\n\\\", (void *)inp);\\n#else\\n\\t\\tSCTP_PRINTF(\\\"sctp_inpcb_free inp = %p couldn't set to STOPUSING\\\\n\\\", (void *)inp);\\n#endif\\n\\t}\\n\\tinp->ip_inp.inp.inp_socket->so_flags |= SOF_PCBCLEARING;\\n#endif\\n\\t/*\\n\\t * if we have an address list the following will free the list of\\n\\t * ifaddr's that are set into this ep. Again macro limitations here,\\n\\t * since the LIST_FOREACH could be a bad idea.\\n\\t */\\n\\tLIST_FOREACH_SAFE(laddr, &inp->sctp_addr_list, sctp_nxt_addr, nladdr) {\\n\\t\\tsctp_remove_laddr(laddr);\\n\\t}\",\n \"#ifdef SCTP_TRACK_FREED_ASOCS\\n\\t/* TEMP CODE */\\n\\tLIST_FOREACH_SAFE(asoc, &inp->sctp_asoc_free_list, sctp_tcblist, nasoc) {\\n\\t\\tLIST_REMOVE(asoc, sctp_tcblist);\\n\\t\\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_asoc), asoc);\\n\\t\\tSCTP_DECR_ASOC_COUNT();\\n\\t}\\n\\t/* *** END TEMP CODE ****/\\n#endif\\n#ifdef SCTP_MVRF\\n\\tSCTP_FREE(inp->m_vrf_ids, SCTP_M_MVRF);\\n#endif\\n\\t/* Now lets see about freeing the EP hash table. */\\n\\tif (inp->sctp_tcbhash != NULL) {\\n\\t\\tSCTP_HASH_FREE(inp->sctp_tcbhash, inp->sctp_hashmark);\\n\\t\\tinp->sctp_tcbhash = NULL;\\n\\t}\\n\\t/* Now we must put the ep memory back into the zone pool */\\n#if defined(__FreeBSD__)\\n\\tcrfree(inp->ip_inp.inp.inp_cred);\\n\\tINP_LOCK_DESTROY(&inp->ip_inp.inp);\\n#endif\\n\\tSCTP_INP_LOCK_DESTROY(inp);\\n\\tSCTP_INP_READ_DESTROY(inp);\\n\\tSCTP_ASOC_CREATE_LOCK_DESTROY(inp);\\n#if !defined(__APPLE__)\\n\\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_ep), inp);\\n\\tSCTP_DECR_EP_COUNT();\\n#else\\n\\t/* For Tiger, we will do this later... */\\n#endif\\n}\",\n \"\\nstruct sctp_nets *\\nsctp_findnet(struct sctp_tcb *stcb, struct sockaddr *addr)\\n{\\n\\tstruct sctp_nets *net;\\n\\t/* locate the address */\\n\\tTAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {\\n\\t\\tif (sctp_cmpaddr(addr, (struct sockaddr *)&net->ro._l_addr))\\n\\t\\t\\treturn (net);\\n\\t}\\n\\treturn (NULL);\\n}\",\n \"\\nint\\nsctp_is_address_on_local_host(struct sockaddr *addr, uint32_t vrf_id)\\n{\\n#ifdef __Panda__\\n\\treturn (0);\\n#else\\n\\tstruct sctp_ifa *sctp_ifa;\\n\\tsctp_ifa = sctp_find_ifa_by_addr(addr, vrf_id, SCTP_ADDR_NOT_LOCKED);\\n\\tif (sctp_ifa) {\\n\\t\\treturn (1);\\n\\t} else {\\n\\t\\treturn (0);\\n\\t}\\n#endif\\n}\",\n \"/*\\n * add's a remote endpoint address, done with the INIT/INIT-ACK as well as\\n * when a ASCONF arrives that adds it. It will also initialize all the cwnd\\n * stats of stuff.\\n */\\nint\\nsctp_add_remote_addr(struct sctp_tcb *stcb, struct sockaddr *newaddr,\\n struct sctp_nets **netp, uint16_t port, int set_scope, int from)\\n{\\n\\t/*\\n\\t * The following is redundant to the same lines in the\\n\\t * sctp_aloc_assoc() but is needed since others call the add\\n\\t * address function\\n\\t */\\n\\tstruct sctp_nets *net, *netfirst;\\n\\tint addr_inscope;\",\n \"\\tSCTPDBG(SCTP_DEBUG_PCB1, \\\"Adding an address (from:%d) to the peer: \\\",\\n\\t\\tfrom);\\n\\tSCTPDBG_ADDR(SCTP_DEBUG_PCB1, newaddr);\",\n \"\\tnetfirst = sctp_findnet(stcb, newaddr);\\n\\tif (netfirst) {\\n\\t\\t/*\\n\\t\\t * Lie and return ok, we don't want to make the association\\n\\t\\t * go away for this behavior. It will happen in the TCP\\n\\t\\t * model in a connected socket. It does not reach the hash\\n\\t\\t * table until after the association is built so it can't be\\n\\t\\t * found. Mark as reachable, since the initial creation will\\n\\t\\t * have been cleared and the NOT_IN_ASSOC flag will have\\n\\t\\t * been added... and we don't want to end up removing it\\n\\t\\t * back out.\\n\\t\\t */\\n\\t\\tif (netfirst->dest_state & SCTP_ADDR_UNCONFIRMED) {\\n\\t\\t\\tnetfirst->dest_state = (SCTP_ADDR_REACHABLE |\\n\\t\\t\\t SCTP_ADDR_UNCONFIRMED);\\n\\t\\t} else {\\n\\t\\t\\tnetfirst->dest_state = SCTP_ADDR_REACHABLE;\\n\\t\\t}\",\n \"\\t\\treturn (0);\\n\\t}\\n\\taddr_inscope = 1;\\n\\tswitch (newaddr->sa_family) {\\n#ifdef INET\\n\\tcase AF_INET:\\n\\t{\\n\\t\\tstruct sockaddr_in *sin;\",\n \"\\t\\tsin = (struct sockaddr_in *)newaddr;\\n\\t\\tif (sin->sin_addr.s_addr == 0) {\\n\\t\\t\\t/* Invalid address */\\n\\t\\t\\treturn (-1);\\n\\t\\t}\\n\\t\\t/* zero out the zero area */\\n\\t\\tmemset(&sin->sin_zero, 0, sizeof(sin->sin_zero));\",\n \"\\t\\t/* assure len is set */\\n#ifdef HAVE_SIN_LEN\\n\\t\\tsin->sin_len = sizeof(struct sockaddr_in);\\n#endif\\n\\t\\tif (set_scope) {\\n\\t\\t\\tif (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr)) {\\n\\t\\t\\t\\tstcb->asoc.scope.ipv4_local_scope = 1;\\n\\t\\t\\t}\\n\\t\\t} else {\\n\\t\\t\\t/* Validate the address is in scope */\\n\\t\\t\\tif ((IN4_ISPRIVATE_ADDRESS(&sin->sin_addr)) &&\\n\\t\\t\\t (stcb->asoc.scope.ipv4_local_scope == 0)) {\\n\\t\\t\\t\\taddr_inscope = 0;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\tbreak;\\n\\t}\\n#endif\\n#ifdef INET6\\n\\tcase AF_INET6:\\n\\t{\\n\\t\\tstruct sockaddr_in6 *sin6;\",\n \"\\t\\tsin6 = (struct sockaddr_in6 *)newaddr;\\n\\t\\tif (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {\\n\\t\\t\\t/* Invalid address */\\n\\t\\t\\treturn (-1);\\n\\t\\t}\\n\\t\\t/* assure len is set */\\n#ifdef HAVE_SIN6_LEN\\n\\t\\tsin6->sin6_len = sizeof(struct sockaddr_in6);\\n#endif\\n\\t\\tif (set_scope) {\\n\\t\\t\\tif (sctp_is_address_on_local_host(newaddr, stcb->asoc.vrf_id)) {\\n\\t\\t\\t\\tstcb->asoc.scope.loopback_scope = 1;\\n\\t\\t\\t\\tstcb->asoc.scope.local_scope = 0;\\n\\t\\t\\t\\tstcb->asoc.scope.ipv4_local_scope = 1;\\n\\t\\t\\t\\tstcb->asoc.scope.site_scope = 1;\\n\\t\\t\\t} else if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {\\n\\t\\t\\t\\t/*\\n\\t\\t\\t\\t * If the new destination is a LINK_LOCAL we\\n\\t\\t\\t\\t * must have common site scope. Don't set\\n\\t\\t\\t\\t * the local scope since we may not share\\n\\t\\t\\t\\t * all links, only loopback can do this.\\n\\t\\t\\t\\t * Links on the local network would also be\\n\\t\\t\\t\\t * on our private network for v4 too.\\n\\t\\t\\t\\t */\\n\\t\\t\\t\\tstcb->asoc.scope.ipv4_local_scope = 1;\\n\\t\\t\\t\\tstcb->asoc.scope.site_scope = 1;\\n\\t\\t\\t} else if (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr)) {\\n\\t\\t\\t\\t/*\\n\\t\\t\\t\\t * If the new destination is SITE_LOCAL then\\n\\t\\t\\t\\t * we must have site scope in common.\\n\\t\\t\\t\\t */\\n\\t\\t\\t\\tstcb->asoc.scope.site_scope = 1;\\n\\t\\t\\t}\\n\\t\\t} else {\\n\\t\\t\\t/* Validate the address is in scope */\\n\\t\\t\\tif (IN6_IS_ADDR_LOOPBACK(&sin6->sin6_addr) &&\\n\\t\\t\\t (stcb->asoc.scope.loopback_scope == 0)) {\\n\\t\\t\\t\\taddr_inscope = 0;\\n\\t\\t\\t} else if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) &&\\n\\t\\t\\t (stcb->asoc.scope.local_scope == 0)) {\\n\\t\\t\\t\\taddr_inscope = 0;\\n\\t\\t\\t} else if (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr) &&\\n\\t\\t\\t (stcb->asoc.scope.site_scope == 0)) {\\n\\t\\t\\t\\taddr_inscope = 0;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\tbreak;\\n\\t}\\n#endif\\n#if defined(__Userspace__)\\n\\tcase AF_CONN:\\n\\t{\\n\\t\\tstruct sockaddr_conn *sconn;\",\n \"\\t\\tsconn = (struct sockaddr_conn *)newaddr;\\n\\t\\tif (sconn->sconn_addr == NULL) {\\n\\t\\t\\t/* Invalid address */\\n\\t\\t\\treturn (-1);\\n\\t\\t}\\n#ifdef HAVE_SCONN_LEN\\n\\t\\tsconn->sconn_len = sizeof(struct sockaddr_conn);\\n#endif\\n\\t\\tbreak;\\n\\t}\\n#endif\\n\\tdefault:\\n\\t\\t/* not supported family type */\\n\\t\\treturn (-1);\\n\\t}\\n\\tnet = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_net), struct sctp_nets);\\n\\tif (net == NULL) {\\n\\t\\treturn (-1);\\n\\t}\\n\\tSCTP_INCR_RADDR_COUNT();\\n\\tmemset(net, 0, sizeof(struct sctp_nets));\\n\\t(void)SCTP_GETTIME_TIMEVAL(&net->start_time);\\n#ifdef HAVE_SA_LEN\\n\\tmemcpy(&net->ro._l_addr, newaddr, newaddr->sa_len);\\n#endif\\n\\tswitch (newaddr->sa_family) {\\n#ifdef INET\\n\\tcase AF_INET:\\n#ifndef HAVE_SA_LEN\\n\\t\\tmemcpy(&net->ro._l_addr, newaddr, sizeof(struct sockaddr_in));\\n#endif\\n\\t\\t((struct sockaddr_in *)&net->ro._l_addr)->sin_port = stcb->rport;\\n\\t\\tbreak;\\n#endif\\n#ifdef INET6\\n\\tcase AF_INET6:\\n#ifndef HAVE_SA_LEN\\n\\t\\tmemcpy(&net->ro._l_addr, newaddr, sizeof(struct sockaddr_in6));\\n#endif\\n\\t\\t((struct sockaddr_in6 *)&net->ro._l_addr)->sin6_port = stcb->rport;\\n\\t\\tbreak;\\n#endif\\n#if defined(__Userspace__)\\n\\tcase AF_CONN:\\n#ifndef HAVE_SA_LEN\\n\\t\\tmemcpy(&net->ro._l_addr, newaddr, sizeof(struct sockaddr_conn));\\n#endif\\n\\t\\t((struct sockaddr_conn *)&net->ro._l_addr)->sconn_port = stcb->rport;\\n\\t\\tbreak;\\n#endif\\n\\tdefault:\\n\\t\\tbreak;\\n\\t}\\n\\tnet->addr_is_local = sctp_is_address_on_local_host(newaddr, stcb->asoc.vrf_id);\\n\\tif (net->addr_is_local && ((set_scope || (from == SCTP_ADDR_IS_CONFIRMED)))) {\\n\\t\\tstcb->asoc.scope.loopback_scope = 1;\\n\\t\\tstcb->asoc.scope.ipv4_local_scope = 1;\\n\\t\\tstcb->asoc.scope.local_scope = 0;\\n\\t\\tstcb->asoc.scope.site_scope = 1;\\n\\t\\taddr_inscope = 1;\\n\\t}\\n\\tnet->failure_threshold = stcb->asoc.def_net_failure;\\n\\tnet->pf_threshold = stcb->asoc.def_net_pf_threshold;\\n\\tif (addr_inscope == 0) {\\n\\t\\tnet->dest_state = (SCTP_ADDR_REACHABLE |\\n\\t\\t SCTP_ADDR_OUT_OF_SCOPE);\\n\\t} else {\\n\\t\\tif (from == SCTP_ADDR_IS_CONFIRMED)\\n\\t\\t\\t/* SCTP_ADDR_IS_CONFIRMED is passed by connect_x */\\n\\t\\t\\tnet->dest_state = SCTP_ADDR_REACHABLE;\\n\\t\\telse\\n\\t\\t\\tnet->dest_state = SCTP_ADDR_REACHABLE |\\n\\t\\t\\t SCTP_ADDR_UNCONFIRMED;\\n\\t}\\n\\t/* We set this to 0, the timer code knows that\\n\\t * this means its an initial value\\n\\t */\\n\\tnet->rto_needed = 1;\\n\\tnet->RTO = 0;\\n\\tnet->RTO_measured = 0;\\n\\tstcb->asoc.numnets++;\\n\\tnet->ref_count = 1;\\n\\tnet->cwr_window_tsn = net->last_cwr_tsn = stcb->asoc.sending_seq - 1;\\n\\tnet->port = port;\\n\\tnet->dscp = stcb->asoc.default_dscp;\\n#ifdef INET6\\n\\tnet->flowlabel = stcb->asoc.default_flowlabel;\\n#endif\\n\\tif (sctp_stcb_is_feature_on(stcb->sctp_ep, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) {\\n\\t\\tnet->dest_state |= SCTP_ADDR_NOHB;\\n\\t} else {\\n\\t\\tnet->dest_state &= ~SCTP_ADDR_NOHB;\\n\\t}\\n\\tif (sctp_stcb_is_feature_on(stcb->sctp_ep, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) {\\n\\t\\tnet->dest_state |= SCTP_ADDR_NO_PMTUD;\\n\\t} else {\\n\\t\\tnet->dest_state &= ~SCTP_ADDR_NO_PMTUD;\\n\\t}\\n\\tnet->heart_beat_delay = stcb->asoc.heart_beat_delay;\\n\\t/* Init the timer structure */\\n\\tSCTP_OS_TIMER_INIT(&net->rxt_timer.timer);\\n\\tSCTP_OS_TIMER_INIT(&net->pmtu_timer.timer);\\n\\tSCTP_OS_TIMER_INIT(&net->hb_timer.timer);\",\n \"\\t/* Now generate a route for this guy */\\n#ifdef INET6\\n#ifdef SCTP_EMBEDDED_V6_SCOPE\\n\\t/* KAME hack: embed scopeid */\\n\\tif (newaddr->sa_family == AF_INET6) {\\n\\t\\tstruct sockaddr_in6 *sin6;\",\n \"\\t\\tsin6 = (struct sockaddr_in6 *)&net->ro._l_addr;\\n#if defined(__APPLE__)\\n#if defined(APPLE_LEOPARD) || defined(APPLE_SNOWLEOPARD)\\n\\t\\t(void)in6_embedscope(&sin6->sin6_addr, sin6, &stcb->sctp_ep->ip_inp.inp, NULL);\\n#else\\n\\t\\t(void)in6_embedscope(&sin6->sin6_addr, sin6, &stcb->sctp_ep->ip_inp.inp, NULL, NULL);\\n#endif\\n#elif defined(SCTP_KAME)\\n\\t\\t(void)sa6_embedscope(sin6, MODULE_GLOBAL(ip6_use_defzone));\\n#else\\n\\t\\t(void)in6_embedscope(&sin6->sin6_addr, sin6);\\n#endif\\n#ifndef SCOPEDROUTING\\n\\t\\tsin6->sin6_scope_id = 0;\\n#endif\\n\\t}\\n#endif /* SCTP_EMBEDDED_V6_SCOPE */\\n#endif\\n\\tSCTP_RTALLOC((sctp_route_t *)&net->ro,\\n\\t stcb->asoc.vrf_id,\\n\\t stcb->sctp_ep->fibnum);\",\n \"\\tnet->src_addr_selected = 0;\\n#if !defined(__Userspace__)\\n\\tif (SCTP_ROUTE_HAS_VALID_IFN(&net->ro)) {\\n\\t\\t/* Get source address */\\n\\t\\tnet->ro._s_addr = sctp_source_address_selection(stcb->sctp_ep,\\n\\t\\t stcb,\\n\\t\\t (sctp_route_t *)&net->ro,\\n\\t\\t net,\\n\\t\\t 0,\\n\\t\\t stcb->asoc.vrf_id);\\n\\t\\tif (stcb->asoc.default_mtu > 0) {\\n\\t\\t\\tnet->mtu = stcb->asoc.default_mtu;\\n\\t\\t\\tswitch (net->ro._l_addr.sa.sa_family) {\\n#ifdef INET\\n\\t\\t\\tcase AF_INET:\\n\\t\\t\\t\\tnet->mtu += SCTP_MIN_V4_OVERHEAD;\\n\\t\\t\\t\\tbreak;\\n#endif\\n#ifdef INET6\\n\\t\\t\\tcase AF_INET6:\\n\\t\\t\\t\\tnet->mtu += SCTP_MIN_OVERHEAD;\\n\\t\\t\\t\\tbreak;\\n#endif\\n#if defined(__Userspace__)\\n\\t\\t\\tcase AF_CONN:\\n\\t\\t\\t\\tnet->mtu += sizeof(struct sctphdr);\\n\\t\\t\\t\\tbreak;\\n#endif\\n\\t\\t\\tdefault:\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n#if defined(INET) || defined(INET6)\\n\\t\\t\\tif (net->port) {\\n\\t\\t\\t\\tnet->mtu += (uint32_t)sizeof(struct udphdr);\\n\\t\\t\\t}\\n#endif\\n\\t\\t} else if (net->ro._s_addr != NULL) {\\n\\t\\t\\tuint32_t imtu, rmtu, hcmtu;\",\n \"\\t\\t\\tnet->src_addr_selected = 1;\\n\\t\\t\\t/* Now get the interface MTU */\\n\\t\\t\\tif (net->ro._s_addr->ifn_p != NULL) {\\n\\t\\t\\t\\timtu = SCTP_GATHER_MTU_FROM_INTFC(net->ro._s_addr->ifn_p);\\n\\t\\t\\t} else {\\n\\t\\t\\t\\timtu = 0;\\n\\t\\t\\t}\\n\\t\\t\\trmtu = SCTP_GATHER_MTU_FROM_ROUTE(net->ro._s_addr, &net->ro._l_addr.sa, net->ro.ro_rt);\\n#if defined(__FreeBSD__)\\n\\t\\t\\thcmtu = sctp_hc_get_mtu(&net->ro._l_addr, stcb->sctp_ep->fibnum);\\n#else\\n\\t\\t\\thcmtu = 0;\\n#endif\\n\\t\\t\\tnet->mtu = sctp_min_mtu(hcmtu, rmtu, imtu);\\n\\t\\t\\tif (rmtu == 0) {\\n\\t\\t\\t\\t/* Start things off to match mtu of interface please. */\\n\\t\\t\\t\\tSCTP_SET_MTU_OF_ROUTE(&net->ro._l_addr.sa,\\n\\t\\t\\t\\t net->ro.ro_rt, net->mtu);\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n#endif\\n\\tif (net->mtu == 0) {\\n\\t\\tif (stcb->asoc.default_mtu > 0) {\\n\\t\\t\\tnet->mtu = stcb->asoc.default_mtu;\\n\\t\\t\\tswitch (net->ro._l_addr.sa.sa_family) {\\n#ifdef INET\\n\\t\\t\\tcase AF_INET:\\n\\t\\t\\t\\tnet->mtu += SCTP_MIN_V4_OVERHEAD;\\n\\t\\t\\t\\tbreak;\\n#endif\\n#ifdef INET6\\n\\t\\t\\tcase AF_INET6:\\n\\t\\t\\t\\tnet->mtu += SCTP_MIN_OVERHEAD;\\n\\t\\t\\t\\tbreak;\\n#endif\\n#if defined(__Userspace__)\\n\\t\\t\\tcase AF_CONN:\\n\\t\\t\\t\\tnet->mtu += sizeof(struct sctphdr);\\n\\t\\t\\t\\tbreak;\\n#endif\\n\\t\\t\\tdefault:\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n#if defined(INET) || defined(INET6)\\n\\t\\t\\tif (net->port) {\\n\\t\\t\\t\\tnet->mtu += (uint32_t)sizeof(struct udphdr);\\n\\t\\t\\t}\\n#endif\\n\\t\\t} else {\\n\\t\\t\\tswitch (newaddr->sa_family) {\\n#ifdef INET\\n\\t\\t\\tcase AF_INET:\\n\\t\\t\\t\\tnet->mtu = SCTP_DEFAULT_MTU;\\n\\t\\t\\t\\tbreak;\\n#endif\\n#ifdef INET6\\n\\t\\t\\tcase AF_INET6:\\n\\t\\t\\t\\tnet->mtu = 1280;\\n\\t\\t\\t\\tbreak;\\n#endif\\n#if defined(__Userspace__)\\n\\t\\t\\tcase AF_CONN:\\n\\t\\t\\t\\tnet->mtu = 1280;\\n\\t\\t\\t\\tbreak;\\n#endif\\n\\t\\t\\tdefault:\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n#if defined(INET) || defined(INET6)\\n\\tif (net->port) {\\n\\t\\tnet->mtu -= (uint32_t)sizeof(struct udphdr);\\n\\t}\\n#endif\\n\\tif (from == SCTP_ALLOC_ASOC) {\\n\\t\\tstcb->asoc.smallest_mtu = net->mtu;\\n\\t}\\n\\tif (stcb->asoc.smallest_mtu > net->mtu) {\\n\\t\\tsctp_pathmtu_adjustment(stcb, net->mtu);\\n\\t}\\n#ifdef INET6\\n#ifdef SCTP_EMBEDDED_V6_SCOPE\\n\\tif (newaddr->sa_family == AF_INET6) {\\n\\t\\tstruct sockaddr_in6 *sin6;\",\n \"\\t\\tsin6 = (struct sockaddr_in6 *)&net->ro._l_addr;\\n#ifdef SCTP_KAME\\n\\t\\t(void)sa6_recoverscope(sin6);\\n#else\\n\\t\\t(void)in6_recoverscope(sin6, &sin6->sin6_addr, NULL);\\n#endif /* SCTP_KAME */\\n\\t}\\n#endif /* SCTP_EMBEDDED_V6_SCOPE */\\n#endif\",\n \"\\t/* JRS - Use the congestion control given in the CC module */\\n\\tif (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL)\\n\\t\\t(*stcb->asoc.cc_functions.sctp_set_initial_cc_param)(stcb, net);\",\n \"\\t/*\\n\\t * CMT: CUC algo - set find_pseudo_cumack to TRUE (1) at beginning\\n\\t * of assoc (2005/06/27, iyengar@cis.udel.edu)\\n\\t */\\n\\tnet->find_pseudo_cumack = 1;\\n\\tnet->find_rtx_pseudo_cumack = 1;\\n#if defined(__FreeBSD__)\\n\\t/* Choose an initial flowid. */\\n\\tnet->flowid = stcb->asoc.my_vtag ^\\n\\t ntohs(stcb->rport) ^\\n\\t ntohs(stcb->sctp_ep->sctp_lport);\\n\\tnet->flowtype = M_HASHTYPE_OPAQUE_HASH;\\n#endif\\n\\tif (netp) {\\n\\t\\t*netp = net;\\n\\t}\\n\\tnetfirst = TAILQ_FIRST(&stcb->asoc.nets);\\n\\tif (net->ro.ro_rt == NULL) {\\n\\t\\t/* Since we have no route put it at the back */\\n\\t\\tTAILQ_INSERT_TAIL(&stcb->asoc.nets, net, sctp_next);\\n\\t} else if (netfirst == NULL) {\\n\\t\\t/* We are the first one in the pool. */\\n\\t\\tTAILQ_INSERT_HEAD(&stcb->asoc.nets, net, sctp_next);\\n\\t} else if (netfirst->ro.ro_rt == NULL) {\\n\\t\\t/*\\n\\t\\t * First one has NO route. Place this one ahead of the first\\n\\t\\t * one.\\n\\t\\t */\\n\\t\\tTAILQ_INSERT_HEAD(&stcb->asoc.nets, net, sctp_next);\\n#ifndef __Panda__\\n\\t} else if (net->ro.ro_rt->rt_ifp != netfirst->ro.ro_rt->rt_ifp) {\\n\\t\\t/*\\n\\t\\t * This one has a different interface than the one at the\\n\\t\\t * top of the list. Place it ahead.\\n\\t\\t */\\n\\t\\tTAILQ_INSERT_HEAD(&stcb->asoc.nets, net, sctp_next);\\n#endif\\n\\t} else {\\n\\t\\t/*\\n\\t\\t * Ok we have the same interface as the first one. Move\\n\\t\\t * forward until we find either a) one with a NULL route...\\n\\t\\t * insert ahead of that b) one with a different ifp.. insert\\n\\t\\t * after that. c) end of the list.. insert at the tail.\\n\\t\\t */\\n\\t\\tstruct sctp_nets *netlook;\",\n \"\\t\\tdo {\\n\\t\\t\\tnetlook = TAILQ_NEXT(netfirst, sctp_next);\\n\\t\\t\\tif (netlook == NULL) {\\n\\t\\t\\t\\t/* End of the list */\\n\\t\\t\\t\\tTAILQ_INSERT_TAIL(&stcb->asoc.nets, net, sctp_next);\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t} else if (netlook->ro.ro_rt == NULL) {\\n\\t\\t\\t\\t/* next one has NO route */\\n\\t\\t\\t\\tTAILQ_INSERT_BEFORE(netfirst, net, sctp_next);\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n#ifndef __Panda__\\n\\t\\t\\telse if (netlook->ro.ro_rt->rt_ifp != net->ro.ro_rt->rt_ifp)\\n#else\\n\\t\\t\\telse\\n#endif\\n\\t\\t\\t{\\n\\t\\t\\t\\tTAILQ_INSERT_AFTER(&stcb->asoc.nets, netlook,\\n\\t\\t\\t\\t\\t\\t net, sctp_next);\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n#ifndef __Panda__\\n\\t\\t\\t/* Shift forward */\\n\\t\\t\\tnetfirst = netlook;\\n#endif\\n\\t\\t} while (netlook != NULL);\\n\\t}\",\n \"\\t/* got to have a primary set */\\n\\tif (stcb->asoc.primary_destination == 0) {\\n\\t\\tstcb->asoc.primary_destination = net;\\n\\t} else if ((stcb->asoc.primary_destination->ro.ro_rt == NULL) &&\\n\\t\\t (net->ro.ro_rt) &&\\n\\t ((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0)) {\\n\\t\\t/* No route to current primary adopt new primary */\\n\\t\\tstcb->asoc.primary_destination = net;\\n\\t}\\n\\t/* Validate primary is first */\\n\\tnet = TAILQ_FIRST(&stcb->asoc.nets);\\n\\tif ((net != stcb->asoc.primary_destination) &&\\n\\t (stcb->asoc.primary_destination)) {\\n\\t\\t/* first one on the list is NOT the primary\\n\\t\\t * sctp_cmpaddr() is much more efficient if\\n\\t\\t * the primary is the first on the list, make it\\n\\t\\t * so.\\n\\t\\t */\\n\\t\\tTAILQ_REMOVE(&stcb->asoc.nets,\\n\\t\\t\\t stcb->asoc.primary_destination, sctp_next);\\n\\t\\tTAILQ_INSERT_HEAD(&stcb->asoc.nets,\\n\\t\\t\\t\\t stcb->asoc.primary_destination, sctp_next);\\n\\t}\\n\\treturn (0);\\n}\",\n \"\\nstatic uint32_t\\nsctp_aloc_a_assoc_id(struct sctp_inpcb *inp, struct sctp_tcb *stcb)\\n{\\n\\tuint32_t id;\\n\\tstruct sctpasochead *head;\\n\\tstruct sctp_tcb *lstcb;\",\n \" try_again:\\n\\tif (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {\\n\\t\\t/* TSNH */\\n\\t\\treturn (0);\\n\\t}\\n\\t/*\\n\\t * We don't allow assoc id to be one of SCTP_FUTURE_ASSOC,\\n\\t * SCTP_CURRENT_ASSOC and SCTP_ALL_ASSOC.\\n\\t */\\n\\tif (inp->sctp_associd_counter <= SCTP_ALL_ASSOC) {\\n\\t\\tinp->sctp_associd_counter = SCTP_ALL_ASSOC + 1;\\n\\t}\\n\\tid = inp->sctp_associd_counter;\\n\\tinp->sctp_associd_counter++;\\n\\tlstcb = sctp_findasoc_ep_asocid_locked(inp, (sctp_assoc_t)id, 0);\\n\\tif (lstcb) {\\n\\t\\tgoto try_again;\\n\\t}\\n\\thead = &inp->sctp_asocidhash[SCTP_PCBHASH_ASOC(id, inp->hashasocidmark)];\\n\\tLIST_INSERT_HEAD(head, stcb, sctp_tcbasocidhash);\\n\\tstcb->asoc.in_asocid_hash = 1;\\n\\treturn (id);\\n}\",\n \"/*\\n * allocate an association and add it to the endpoint. The caller must be\\n * careful to add all additional addresses once they are know right away or\\n * else the assoc will be may experience a blackout scenario.\\n */\\nstruct sctp_tcb *\\nsctp_aloc_assoc(struct sctp_inpcb *inp, struct sockaddr *firstaddr,\\n int *error, uint32_t override_tag, uint32_t vrf_id,\\n uint16_t o_streams, uint16_t port,\\n#if defined(__FreeBSD__) && __FreeBSD_version >= 500000\\n struct thread *p,\\n#elif defined(__Windows__)\\n PKTHREAD p,\\n#else\\n#if defined(__Userspace__)\\n /* __Userspace__ NULL proc is going to be passed here. See sctp_lower_sosend */\\n#endif\\n struct proc *p,\\n#endif\\n int initialize_auth_params)\\n{\\n\\t/* note the p argument is only valid in unbound sockets */\",\n \"\\tstruct sctp_tcb *stcb;\\n\\tstruct sctp_association *asoc;\\n\\tstruct sctpasochead *head;\\n\\tuint16_t rport;\\n\\tint err;\",\n \"\\t/*\\n\\t * Assumption made here: Caller has done a\\n\\t * sctp_findassociation_ep_addr(ep, addr's); to make sure the\\n\\t * address does not exist already.\\n\\t */\\n\\tif (SCTP_BASE_INFO(ipi_count_asoc) >= SCTP_MAX_NUM_OF_ASOC) {\\n\\t\\t/* Hit max assoc, sorry no more */\\n\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, ENOBUFS);\\n\\t\\t*error = ENOBUFS;\\n\\t\\treturn (NULL);\\n\\t}\\n\\tif (firstaddr == NULL) {\\n\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\\n\\t\\t*error = EINVAL;\\n\\t\\treturn (NULL);\\n\\t}\\n\\tSCTP_INP_RLOCK(inp);\\n\\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) &&\\n\\t ((sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE)) ||\\n\\t (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED))) {\\n\\t\\t/*\\n\\t\\t * If its in the TCP pool, its NOT allowed to create an\\n\\t\\t * association. The parent listener needs to call\\n\\t\\t * sctp_aloc_assoc.. or the one-2-many socket. If a peeled\\n\\t\\t * off, or connected one does this.. its an error.\\n\\t\\t */\\n\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\\n\\t\\t*error = EINVAL;\\n\\t\\treturn (NULL);\\n\\t}\\n\\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||\\n\\t (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE)) {\\n\\t\\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_WAS_CONNECTED) ||\\n\\t\\t (inp->sctp_flags & SCTP_PCB_FLAGS_WAS_ABORTED)) {\\n\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\\n\\t\\t\\t*error = EINVAL;\\n\\t\\t\\treturn (NULL);\\n\\t\\t}\\n\\t}\\n\\tSCTPDBG(SCTP_DEBUG_PCB3, \\\"Allocate an association for peer:\\\");\\n#ifdef SCTP_DEBUG\\n\\tif (firstaddr) {\\n\\t\\tSCTPDBG_ADDR(SCTP_DEBUG_PCB3, firstaddr);\\n\\t\\tswitch (firstaddr->sa_family) {\\n#ifdef INET\\n\\t\\tcase AF_INET:\\n\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB3, \\\"Port:%d\\\\n\\\",\\n\\t\\t\\t ntohs(((struct sockaddr_in *)firstaddr)->sin_port));\\n\\t\\t\\tbreak;\\n#endif\\n#ifdef INET6\\n\\t\\tcase AF_INET6:\\n\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB3, \\\"Port:%d\\\\n\\\",\\n\\t\\t\\t ntohs(((struct sockaddr_in6 *)firstaddr)->sin6_port));\\n\\t\\t\\tbreak;\\n#endif\\n#if defined(__Userspace__)\\n\\t\\tcase AF_CONN:\\n\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB3, \\\"Port:%d\\\\n\\\",\\n\\t\\t\\t ntohs(((struct sockaddr_conn *)firstaddr)->sconn_port));\\n\\t\\t\\tbreak;\\n#endif\\n\\t\\tdefault:\\n\\t\\t\\tbreak;\\n\\t\\t}\\n\\t} else {\\n\\t\\tSCTPDBG(SCTP_DEBUG_PCB3,\\\"None\\\\n\\\");\\n\\t}\\n#endif\\t\\t\\t\\t/* SCTP_DEBUG */\\n\\tswitch (firstaddr->sa_family) {\\n#ifdef INET\\n\\tcase AF_INET:\\n\\t{\\n\\t\\tstruct sockaddr_in *sin;\",\n \"\\t\\tsin = (struct sockaddr_in *)firstaddr;\\n\\t\\tif ((ntohs(sin->sin_port) == 0) ||\\n\\t\\t (sin->sin_addr.s_addr == INADDR_ANY) ||\\n\\t\\t (sin->sin_addr.s_addr == INADDR_BROADCAST) ||\\n\\t\\t IN_MULTICAST(ntohl(sin->sin_addr.s_addr))) {\\n\\t\\t\\t/* Invalid address */\\n\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\\n\\t\\t\\t*error = EINVAL;\\n\\t\\t\\treturn (NULL);\\n\\t\\t}\\n\\t\\trport = sin->sin_port;\\n\\t\\tbreak;\\n\\t}\\n#endif\\n#ifdef INET6\\n\\tcase AF_INET6:\\n\\t{\\n\\t\\tstruct sockaddr_in6 *sin6;\",\n \"\\t\\tsin6 = (struct sockaddr_in6 *)firstaddr;\\n\\t\\tif ((ntohs(sin6->sin6_port) == 0) ||\\n\\t\\t IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr) ||\\n\\t\\t IN6_IS_ADDR_MULTICAST(&sin6->sin6_addr)) {\\n\\t\\t\\t/* Invalid address */\\n\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\\n\\t\\t\\t*error = EINVAL;\\n\\t\\t\\treturn (NULL);\\n\\t\\t}\\n\\t\\trport = sin6->sin6_port;\\n\\t\\tbreak;\\n\\t}\\n#endif\\n#if defined(__Userspace__)\\n\\tcase AF_CONN:\\n\\t{\\n\\t\\tstruct sockaddr_conn *sconn;\",\n \"\\t\\tsconn = (struct sockaddr_conn *)firstaddr;\\n\\t\\tif ((ntohs(sconn->sconn_port) == 0) ||\\n\\t\\t (sconn->sconn_addr == NULL)) {\\n\\t\\t\\t/* Invalid address */\\n\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\\n\\t\\t\\t*error = EINVAL;\\n\\t\\t\\treturn (NULL);\\n\\t\\t}\\n\\t\\trport = sconn->sconn_port;\\n\\t\\tbreak;\\n\\t}\\n#endif\\n\\tdefault:\\n\\t\\t/* not supported family type */\\n\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\\n\\t\\t*error = EINVAL;\\n\\t\\treturn (NULL);\\n\\t}\\n\\tSCTP_INP_RUNLOCK(inp);\\n\\tif (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) {\\n\\t\\t/*\\n\\t\\t * If you have not performed a bind, then we need to do the\\n\\t\\t * ephemeral bind for you.\\n\\t\\t */\\n\\t\\tif ((err = sctp_inpcb_bind(inp->sctp_socket,\\n\\t\\t (struct sockaddr *)NULL,\\n\\t\\t (struct sctp_ifa *)NULL,\\n#ifndef __Panda__\\n\\t\\t\\t\\t\\t p\\n#else\\n\\t\\t\\t\\t\\t (struct proc *)NULL\\n#endif\\n\\t\\t ))) {\\n\\t\\t\\t/* bind error, probably perm */\\n\\t\\t\\t*error = err;\\n\\t\\t\\treturn (NULL);\\n\\t\\t}\\n\\t}\\n\\tstcb = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_asoc), struct sctp_tcb);\\n\\tif (stcb == NULL) {\\n\\t\\t/* out of memory? */\\n\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, ENOMEM);\\n\\t\\t*error = ENOMEM;\\n\\t\\treturn (NULL);\\n\\t}\\n\\tSCTP_INCR_ASOC_COUNT();\",\n \"\\tmemset(stcb, 0, sizeof(*stcb));\\n\\tasoc = &stcb->asoc;\",\n \"\\tSCTP_TCB_LOCK_INIT(stcb);\\n\\tSCTP_TCB_SEND_LOCK_INIT(stcb);\\n\\tstcb->rport = rport;\\n\\t/* setup back pointer's */\\n\\tstcb->sctp_ep = inp;\\n\\tstcb->sctp_socket = inp->sctp_socket;\\n\\tif ((err = sctp_init_asoc(inp, stcb, override_tag, vrf_id, o_streams))) {\\n\\t\\t/* failed */\\n\\t\\tSCTP_TCB_LOCK_DESTROY(stcb);\\n\\t\\tSCTP_TCB_SEND_LOCK_DESTROY(stcb);\\n\\t\\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_asoc), stcb);\\n\\t\\tSCTP_DECR_ASOC_COUNT();\\n\\t\\t*error = err;\\n\\t\\treturn (NULL);\\n\\t}\\n\\t/* and the port */\\n\\tSCTP_INP_INFO_WLOCK();\\n\\tSCTP_INP_WLOCK(inp);\\n\\tif (inp->sctp_flags & (SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_SOCKET_ALLGONE)) {\\n\\t\\t/* inpcb freed while alloc going on */\\n\\t\\tSCTP_TCB_LOCK_DESTROY(stcb);\\n\\t\\tSCTP_TCB_SEND_LOCK_DESTROY(stcb);\\n\\t\\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_asoc), stcb);\\n\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t\\tSCTP_INP_INFO_WUNLOCK();\\n\\t\\tSCTP_DECR_ASOC_COUNT();\\n\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\\n\\t\\t*error = EINVAL;\\n\\t\\treturn (NULL);\\n\\t}\\n\\tSCTP_TCB_LOCK(stcb);\",\n \"\\tasoc->assoc_id = sctp_aloc_a_assoc_id(inp, stcb);\\n\\t/* now that my_vtag is set, add it to the hash */\\n\\thead = &SCTP_BASE_INFO(sctp_asochash)[SCTP_PCBHASH_ASOC(stcb->asoc.my_vtag, SCTP_BASE_INFO(hashasocmark))];\\n\\t/* put it in the bucket in the vtag hash of assoc's for the system */\\n\\tLIST_INSERT_HEAD(head, stcb, sctp_asocs);\\n\\tSCTP_INP_INFO_WUNLOCK();\",\n \"\\tif ((err = sctp_add_remote_addr(stcb, firstaddr, NULL, port, SCTP_DO_SETSCOPE, SCTP_ALLOC_ASOC))) {\\n\\t\\t/* failure.. memory error? */\\n\\t\\tif (asoc->strmout) {\\n\\t\\t\\tSCTP_FREE(asoc->strmout, SCTP_M_STRMO);\\n\\t\\t\\tasoc->strmout = NULL;\\n\\t\\t}\\n\\t\\tif (asoc->mapping_array) {\\n\\t\\t\\tSCTP_FREE(asoc->mapping_array, SCTP_M_MAP);\\n\\t\\t\\tasoc->mapping_array = NULL;\\n\\t\\t}\\n\\t\\tif (asoc->nr_mapping_array) {\\n\\t\\t\\tSCTP_FREE(asoc->nr_mapping_array, SCTP_M_MAP);\\n\\t\\t\\tasoc->nr_mapping_array = NULL;\\n\\t\\t}\\n\\t\\tSCTP_DECR_ASOC_COUNT();\\n\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t\\tSCTP_TCB_LOCK_DESTROY(stcb);\\n\\t\\tSCTP_TCB_SEND_LOCK_DESTROY(stcb);\\n\\t\\tLIST_REMOVE(stcb, sctp_tcbasocidhash);\\n\\t\\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_asoc), stcb);\\n\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, ENOBUFS);\\n\\t\\t*error = ENOBUFS;\\n\\t\\treturn (NULL);\\n\\t}\\n\\t/* Init all the timers */\\n\\tSCTP_OS_TIMER_INIT(&asoc->dack_timer.timer);\\n\\tSCTP_OS_TIMER_INIT(&asoc->strreset_timer.timer);\\n\\tSCTP_OS_TIMER_INIT(&asoc->asconf_timer.timer);\\n\\tSCTP_OS_TIMER_INIT(&asoc->shut_guard_timer.timer);\\n\\tSCTP_OS_TIMER_INIT(&asoc->autoclose_timer.timer);\\n\\tSCTP_OS_TIMER_INIT(&asoc->delayed_event_timer.timer);\\n\\tSCTP_OS_TIMER_INIT(&asoc->delete_prim_timer.timer);\",\n \"\\tLIST_INSERT_HEAD(&inp->sctp_asoc_list, stcb, sctp_tcblist);\\n\\t/* now file the port under the hash as well */\\n\\tif (inp->sctp_tcbhash != NULL) {\\n\\t\\thead = &inp->sctp_tcbhash[SCTP_PCBHASH_ALLADDR(stcb->rport,\\n\\t\\t inp->sctp_hashmark)];\\n\\t\\tLIST_INSERT_HEAD(head, stcb, sctp_tcbhash);\\n\\t}\\n\\tif (initialize_auth_params == SCTP_INITIALIZE_AUTH_PARAMS) {\\n\\t\\tsctp_initialize_auth_params(inp, stcb);\\n\\t}\\n\\tSCTP_INP_WUNLOCK(inp);\\n\\tSCTPDBG(SCTP_DEBUG_PCB1, \\\"Association %p now allocated\\\\n\\\", (void *)stcb);\\n\\treturn (stcb);\\n}\",\n \"\\nvoid\\nsctp_remove_net(struct sctp_tcb *stcb, struct sctp_nets *net)\\n{\\n\\tstruct sctp_association *asoc;\",\n \"\\tasoc = &stcb->asoc;\\n\\tasoc->numnets--;\\n\\tTAILQ_REMOVE(&asoc->nets, net, sctp_next);\\n\\tif (net == asoc->primary_destination) {\\n\\t\\t/* Reset primary */\\n\\t\\tstruct sctp_nets *lnet;\",\n \"\\t\\tlnet = TAILQ_FIRST(&asoc->nets);\\n\\t\\t/* Mobility adaptation\\n\\t\\t Ideally, if deleted destination is the primary, it becomes\\n\\t\\t a fast retransmission trigger by the subsequent SET PRIMARY.\\n\\t\\t (by micchie)\\n\\t\\t */\\n\\t\\tif (sctp_is_mobility_feature_on(stcb->sctp_ep,\\n\\t\\t SCTP_MOBILITY_BASE) ||\\n\\t\\t sctp_is_mobility_feature_on(stcb->sctp_ep,\\n\\t\\t SCTP_MOBILITY_FASTHANDOFF)) {\\n\\t\\t\\tSCTPDBG(SCTP_DEBUG_ASCONF1, \\\"remove_net: primary dst is deleting\\\\n\\\");\\n\\t\\t\\tif (asoc->deleted_primary != NULL) {\\n\\t\\t\\t\\tSCTPDBG(SCTP_DEBUG_ASCONF1, \\\"remove_net: deleted primary may be already stored\\\\n\\\");\\n\\t\\t\\t\\tgoto out;\\n\\t\\t\\t}\\n\\t\\t\\tasoc->deleted_primary = net;\\n\\t\\t\\tatomic_add_int(&net->ref_count, 1);\\n\\t\\t\\tmemset(&net->lastsa, 0, sizeof(net->lastsa));\\n\\t\\t\\tmemset(&net->lastsv, 0, sizeof(net->lastsv));\\n\\t\\t\\tsctp_mobility_feature_on(stcb->sctp_ep,\\n\\t\\t\\t\\t\\t\\t SCTP_MOBILITY_PRIM_DELETED);\\n\\t\\t\\tsctp_timer_start(SCTP_TIMER_TYPE_PRIM_DELETED,\\n\\t\\t\\t\\t\\t stcb->sctp_ep, stcb, NULL);\\n\\t\\t}\\nout:\\n\\t\\t/* Try to find a confirmed primary */\\n\\t\\tasoc->primary_destination = sctp_find_alternate_net(stcb, lnet, 0);\\n\\t}\\n\\tif (net == asoc->last_data_chunk_from) {\\n\\t\\t/* Reset primary */\\n\\t\\tasoc->last_data_chunk_from = TAILQ_FIRST(&asoc->nets);\\n\\t}\\n\\tif (net == asoc->last_control_chunk_from) {\\n\\t\\t/* Clear net */\\n\\t\\tasoc->last_control_chunk_from = NULL;\\n\\t}\\n\\tif (net == stcb->asoc.alternate) {\\n\\t\\tsctp_free_remote_addr(stcb->asoc.alternate);\\n\\t\\tstcb->asoc.alternate = NULL;\\n\\t}\\n\\tsctp_free_remote_addr(net);\\n}\",\n \"/*\\n * remove a remote endpoint address from an association, it will fail if the\\n * address does not exist.\\n */\\nint\\nsctp_del_remote_addr(struct sctp_tcb *stcb, struct sockaddr *remaddr)\\n{\\n\\t/*\\n\\t * Here we need to remove a remote address. This is quite simple, we\\n\\t * first find it in the list of address for the association\\n\\t * (tasoc->asoc.nets) and then if it is there, we do a LIST_REMOVE\\n\\t * on that item. Note we do not allow it to be removed if there are\\n\\t * no other addresses.\\n\\t */\\n\\tstruct sctp_association *asoc;\\n\\tstruct sctp_nets *net, *nnet;\",\n \"\\tasoc = &stcb->asoc;\",\n \"\\t/* locate the address */\\n\\tTAILQ_FOREACH_SAFE(net, &asoc->nets, sctp_next, nnet) {\\n\\t\\tif (net->ro._l_addr.sa.sa_family != remaddr->sa_family) {\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\tif (sctp_cmpaddr((struct sockaddr *)&net->ro._l_addr,\\n\\t\\t remaddr)) {\\n\\t\\t\\t/* we found the guy */\\n\\t\\t\\tif (asoc->numnets < 2) {\\n\\t\\t\\t\\t/* Must have at LEAST two remote addresses */\\n\\t\\t\\t\\treturn (-1);\\n\\t\\t\\t} else {\\n\\t\\t\\t\\tsctp_remove_net(stcb, net);\\n\\t\\t\\t\\treturn (0);\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n\\t/* not found. */\\n\\treturn (-2);\\n}\",\n \"void\\nsctp_delete_from_timewait(uint32_t tag, uint16_t lport, uint16_t rport)\\n{\\n\\tstruct sctpvtaghead *chain;\\n\\tstruct sctp_tagblock *twait_block;\\n\\tint found = 0;\\n\\tint i;\",\n \"\\tchain = &SCTP_BASE_INFO(vtag_timewait)[(tag % SCTP_STACK_VTAG_HASH_SIZE)];\\n\\tLIST_FOREACH(twait_block, chain, sctp_nxt_tagblock) {\\n\\t\\tfor (i = 0; i < SCTP_NUMBER_IN_VTAG_BLOCK; i++) {\\n\\t\\t if ((twait_block->vtag_block[i].v_tag == tag) &&\\n\\t\\t (twait_block->vtag_block[i].lport == lport) &&\\n\\t\\t (twait_block->vtag_block[i].rport == rport)) {\\n\\t\\t\\t\\ttwait_block->vtag_block[i].tv_sec_at_expire = 0;\\n\\t\\t\\t\\ttwait_block->vtag_block[i].v_tag = 0;\\n\\t\\t\\t\\ttwait_block->vtag_block[i].lport = 0;\\n\\t\\t\\t\\ttwait_block->vtag_block[i].rport = 0;\\n\\t\\t\\t\\tfound = 1;\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\tif (found)\\n\\t\\t\\tbreak;\\n\\t}\\n}\",\n \"int\\nsctp_is_in_timewait(uint32_t tag, uint16_t lport, uint16_t rport)\\n{\\n\\tstruct sctpvtaghead *chain;\\n\\tstruct sctp_tagblock *twait_block;\\n\\tint found = 0;\\n\\tint i;\",\n \"\\tSCTP_INP_INFO_WLOCK();\\n\\tchain = &SCTP_BASE_INFO(vtag_timewait)[(tag % SCTP_STACK_VTAG_HASH_SIZE)];\\n\\tLIST_FOREACH(twait_block, chain, sctp_nxt_tagblock) {\\n\\t\\tfor (i = 0; i < SCTP_NUMBER_IN_VTAG_BLOCK; i++) {\\n\\t\\t\\tif ((twait_block->vtag_block[i].v_tag == tag) &&\\n\\t\\t\\t (twait_block->vtag_block[i].lport == lport) &&\\n\\t\\t\\t (twait_block->vtag_block[i].rport == rport)) {\\n\\t\\t\\t\\tfound = 1;\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\tif (found)\\n\\t\\t\\tbreak;\\n\\t}\\n\\tSCTP_INP_INFO_WUNLOCK();\\n\\treturn (found);\\n}\",\n \"\\nvoid\\nsctp_add_vtag_to_timewait(uint32_t tag, uint32_t time, uint16_t lport, uint16_t rport)\\n{\\n\\tstruct sctpvtaghead *chain;\\n\\tstruct sctp_tagblock *twait_block;\\n\\tstruct timeval now;\\n\\tint set, i;\",\n \"\\tif (time == 0) {\\n\\t\\t/* Its disabled */\\n\\t\\treturn;\\n\\t}\\n\\t(void)SCTP_GETTIME_TIMEVAL(&now);\\n\\tchain = &SCTP_BASE_INFO(vtag_timewait)[(tag % SCTP_STACK_VTAG_HASH_SIZE)];\\n\\tset = 0;\\n\\tLIST_FOREACH(twait_block, chain, sctp_nxt_tagblock) {\\n\\t\\t/* Block(s) present, lets find space, and expire on the fly */\\n\\t\\tfor (i = 0; i < SCTP_NUMBER_IN_VTAG_BLOCK; i++) {\\n\\t\\t\\tif ((twait_block->vtag_block[i].v_tag == 0) &&\\n\\t\\t\\t !set) {\\n\\t\\t\\t\\ttwait_block->vtag_block[i].tv_sec_at_expire =\\n\\t\\t\\t\\t\\tnow.tv_sec + time;\\n\\t\\t\\t\\ttwait_block->vtag_block[i].v_tag = tag;\\n\\t\\t\\t\\ttwait_block->vtag_block[i].lport = lport;\\n\\t\\t\\t\\ttwait_block->vtag_block[i].rport = rport;\\n\\t\\t\\t\\tset = 1;\\n\\t\\t\\t} else if ((twait_block->vtag_block[i].v_tag) &&\\n\\t\\t\\t\\t ((long)twait_block->vtag_block[i].tv_sec_at_expire < now.tv_sec)) {\\n\\t\\t\\t\\t/* Audit expires this guy */\\n\\t\\t\\t\\ttwait_block->vtag_block[i].tv_sec_at_expire = 0;\\n\\t\\t\\t\\ttwait_block->vtag_block[i].v_tag = 0;\\n\\t\\t\\t\\ttwait_block->vtag_block[i].lport = 0;\\n\\t\\t\\t\\ttwait_block->vtag_block[i].rport = 0;\\n\\t\\t\\t\\tif (set == 0) {\\n\\t\\t\\t\\t\\t/* Reuse it for my new tag */\\n\\t\\t\\t\\t\\ttwait_block->vtag_block[i].tv_sec_at_expire = now.tv_sec + time;\\n\\t\\t\\t\\t\\ttwait_block->vtag_block[i].v_tag = tag;\\n\\t\\t\\t\\t\\ttwait_block->vtag_block[i].lport = lport;\\n\\t\\t\\t\\t\\ttwait_block->vtag_block[i].rport = rport;\\n\\t\\t\\t\\t\\tset = 1;\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\tif (set) {\\n\\t\\t\\t/*\\n\\t\\t\\t * We only do up to the block where we can\\n\\t\\t\\t * place our tag for audits\\n\\t\\t\\t */\\n\\t\\t\\tbreak;\\n\\t\\t}\\n\\t}\\n\\t/* Need to add a new block to chain */\\n\\tif (!set) {\\n\\t\\tSCTP_MALLOC(twait_block, struct sctp_tagblock *,\\n\\t\\t sizeof(struct sctp_tagblock), SCTP_M_TIMW);\\n\\t\\tif (twait_block == NULL) {\\n#ifdef INVARIANTS\\n\\t\\t\\tpanic(\\\"Can not alloc tagblock\\\");\\n#endif\\n\\t\\t\\treturn;\\n\\t\\t}\\n\\t\\tmemset(twait_block, 0, sizeof(struct sctp_tagblock));\\n\\t\\tLIST_INSERT_HEAD(chain, twait_block, sctp_nxt_tagblock);\\n\\t\\ttwait_block->vtag_block[0].tv_sec_at_expire = now.tv_sec + time;\\n\\t\\ttwait_block->vtag_block[0].v_tag = tag;\\n\\t\\ttwait_block->vtag_block[0].lport = lport;\\n\\t\\ttwait_block->vtag_block[0].rport = rport;\\n\\t}\\n}\",\n \"void\\nsctp_clean_up_stream(struct sctp_tcb *stcb, struct sctp_readhead *rh)\\n{\\n\\tstruct sctp_tmit_chunk *chk, *nchk;\\n\\tstruct sctp_queued_to_read *control, *ncontrol;\",\n \"\\tTAILQ_FOREACH_SAFE(control, rh, next_instrm, ncontrol) {\\n\\t\\tTAILQ_REMOVE(rh, control, next_instrm);\\n\\t\\tcontrol->on_strm_q = 0;\\n\\t\\tif (control->on_read_q == 0) {\\n\\t\\t\\tsctp_free_remote_addr(control->whoFrom);\\n\\t\\t\\tif (control->data) {\\n\\t\\t\\t\\tsctp_m_freem(control->data);\\n\\t\\t\\t\\tcontrol->data = NULL;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\t/* Reassembly free? */\\n\\t\\tTAILQ_FOREACH_SAFE(chk, &control->reasm, sctp_next, nchk) {\\n\\t\\t\\tTAILQ_REMOVE(&control->reasm, chk, sctp_next);\\n\\t\\t\\tif (chk->data) {\\n\\t\\t\\t\\tsctp_m_freem(chk->data);\\n\\t\\t\\t\\tchk->data = NULL;\\n\\t\\t\\t}\\n\\t\\t\\tif (chk->holds_key_ref)\\n\\t\\t\\t\\tsctp_auth_key_release(stcb, chk->auth_keyid, SCTP_SO_LOCKED);\\n\\t\\t\\tsctp_free_remote_addr(chk->whoTo);\\n\\t\\t\\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_chunk), chk);\\n\\t\\t\\tSCTP_DECR_CHK_COUNT();\\n\\t\\t\\t/*sa_ignore FREED_MEMORY*/\\n\\t\\t}\\n\\t\\t/*\\n\\t\\t * We don't free the address here\\n\\t\\t * since all the net's were freed\\n\\t\\t * above.\\n\\t\\t */\\n\\t\\tif (control->on_read_q == 0) {\\n\\t\\t\\tsctp_free_a_readq(stcb, control);\\n\\t\\t}\\n\\t}\\n}\",\n \"#ifdef __Panda__\\nvoid panda_wakeup_socket(struct socket *so);\\n#endif\",\n \"/*-\\n * Free the association after un-hashing the remote port. This\\n * function ALWAYS returns holding NO LOCK on the stcb. It DOES\\n * expect that the input to this function IS a locked TCB.\\n * It will return 0, if it did NOT destroy the association (instead\\n * it unlocks it. It will return NON-zero if it either destroyed the\\n * association OR the association is already destroyed.\\n */\\nint\\nsctp_free_assoc(struct sctp_inpcb *inp, struct sctp_tcb *stcb, int from_inpcbfree, int from_location)\\n{\\n\\tint i;\\n\\tstruct sctp_association *asoc;\\n\\tstruct sctp_nets *net, *nnet;\\n\\tstruct sctp_laddr *laddr, *naddr;\\n\\tstruct sctp_tmit_chunk *chk, *nchk;\\n\\tstruct sctp_asconf_addr *aparam, *naparam;\\n\\tstruct sctp_asconf_ack *aack, *naack;\\n\\tstruct sctp_stream_reset_list *strrst, *nstrrst;\\n\\tstruct sctp_queued_to_read *sq, *nsq;\\n\\tstruct sctp_stream_queue_pending *sp, *nsp;\\n\\tsctp_sharedkey_t *shared_key, *nshared_key;\\n\\tstruct socket *so;\",\n \"\\t/* first, lets purge the entry from the hash table. */\\n#if defined(__APPLE__)\\n\\tsctp_lock_assert(SCTP_INP_SO(inp));\\n#endif\",\n \"#ifdef SCTP_LOG_CLOSING\\n\\tsctp_log_closing(inp, stcb, 6);\\n#endif\\n\\tif (stcb->asoc.state == 0) {\\n#ifdef SCTP_LOG_CLOSING\\n\\t\\tsctp_log_closing(inp, NULL, 7);\\n#endif\\n\\t\\t/* there is no asoc, really TSNH :-0 */\\n\\t\\treturn (1);\\n\\t}\\n\\tif (stcb->asoc.alternate) {\\n\\t\\tsctp_free_remote_addr(stcb->asoc.alternate);\\n\\t\\tstcb->asoc.alternate = NULL;\\n\\t}\\n#if !defined(__APPLE__) /* TEMP: moved to below */\\n /* TEMP CODE */\\n\\tif (stcb->freed_from_where == 0) {\\n\\t\\t/* Only record the first place free happened from */\\n\\t\\tstcb->freed_from_where = from_location;\\n\\t}\\n /* TEMP CODE */\\n#endif\",\n \"\\tasoc = &stcb->asoc;\\n\\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||\\n\\t (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE))\\n\\t\\t/* nothing around */\\n\\t\\tso = NULL;\\n\\telse\\n\\t\\tso = inp->sctp_socket;\",\n \"\\t/*\\n\\t * We used timer based freeing if a reader or writer is in the way.\\n\\t * So we first check if we are actually being called from a timer,\\n\\t * if so we abort early if a reader or writer is still in the way.\\n\\t */\\n\\tif ((stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) &&\\n\\t (from_inpcbfree == SCTP_NORMAL_PROC)) {\\n\\t\\t/*\\n\\t\\t * is it the timer driving us? if so are the reader/writers\\n\\t\\t * gone?\\n\\t\\t */\\n\\t\\tif (stcb->asoc.refcnt) {\\n\\t\\t\\t/* nope, reader or writer in the way */\\n\\t\\t\\tsctp_timer_start(SCTP_TIMER_TYPE_ASOCKILL, inp, stcb, NULL);\\n\\t\\t\\t/* no asoc destroyed */\\n\\t\\t\\tSCTP_TCB_UNLOCK(stcb);\\n#ifdef SCTP_LOG_CLOSING\\n\\t\\t\\tsctp_log_closing(inp, stcb, 8);\\n#endif\\n\\t\\t\\treturn (0);\\n\\t\\t}\\n\\t}\\n\\t/* now clean up any other timers */\\n\\t(void)SCTP_OS_TIMER_STOP(&asoc->dack_timer.timer);\\n\\tasoc->dack_timer.self = NULL;\\n\\t(void)SCTP_OS_TIMER_STOP(&asoc->strreset_timer.timer);\\n\\t/*-\\n\\t * For stream reset we don't blast this unless\\n\\t * it is a str-reset timer, it might be the\\n\\t * free-asoc timer which we DON'T want to\\n\\t * disturb.\\n\\t */\\n\\tif (asoc->strreset_timer.type == SCTP_TIMER_TYPE_STRRESET)\\n\\t\\tasoc->strreset_timer.self = NULL;\\n\\t(void)SCTP_OS_TIMER_STOP(&asoc->asconf_timer.timer);\\n\\tasoc->asconf_timer.self = NULL;\\n\\t(void)SCTP_OS_TIMER_STOP(&asoc->autoclose_timer.timer);\\n\\tasoc->autoclose_timer.self = NULL;\\n\\t(void)SCTP_OS_TIMER_STOP(&asoc->shut_guard_timer.timer);\\n\\tasoc->shut_guard_timer.self = NULL;\\n\\t(void)SCTP_OS_TIMER_STOP(&asoc->delayed_event_timer.timer);\\n\\tasoc->delayed_event_timer.self = NULL;\\n\\t/* Mobility adaptation */\\n\\t(void)SCTP_OS_TIMER_STOP(&asoc->delete_prim_timer.timer);\\n\\tasoc->delete_prim_timer.self = NULL;\\n\\tTAILQ_FOREACH(net, &asoc->nets, sctp_next) {\\n\\t\\t(void)SCTP_OS_TIMER_STOP(&net->rxt_timer.timer);\\n\\t\\tnet->rxt_timer.self = NULL;\\n\\t\\t(void)SCTP_OS_TIMER_STOP(&net->pmtu_timer.timer);\\n\\t\\tnet->pmtu_timer.self = NULL;\\n\\t\\t(void)SCTP_OS_TIMER_STOP(&net->hb_timer.timer);\\n\\t\\tnet->hb_timer.self = NULL;\\n\\t}\\n\\t/* Now the read queue needs to be cleaned up (only once) */\\n\\tif ((stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) == 0) {\\n\\t\\tSCTP_ADD_SUBSTATE(stcb, SCTP_STATE_ABOUT_TO_BE_FREED);\\n\\t\\tSCTP_INP_READ_LOCK(inp);\\n\\t\\tTAILQ_FOREACH(sq, &inp->read_queue, next) {\\n\\t\\t\\tif (sq->stcb == stcb) {\\n\\t\\t\\t\\tsq->do_not_ref_stcb = 1;\\n\\t\\t\\t\\tsq->sinfo_cumtsn = stcb->asoc.cumulative_tsn;\\n\\t\\t\\t\\t/* If there is no end, there never\\n\\t\\t\\t\\t * will be now.\\n\\t\\t\\t\\t */\\n\\t\\t\\t\\tif (sq->end_added == 0) {\\n\\t\\t\\t\\t\\t/* Held for PD-API clear that. */\\n\\t\\t\\t\\t\\tsq->pdapi_aborted = 1;\\n\\t\\t\\t\\t\\tsq->held_length = 0;\\n\\t\\t\\t\\t\\tif (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT) && (so != NULL)) {\\n\\t\\t\\t\\t\\t\\t/*\\n\\t\\t\\t\\t\\t\\t * Need to add a PD-API aborted indication.\\n\\t\\t\\t\\t\\t\\t * Setting the control_pdapi assures that it will\\n\\t\\t\\t\\t\\t\\t * be added right after this msg.\\n\\t\\t\\t\\t\\t\\t */\\n\\t\\t\\t\\t\\t\\tuint32_t strseq;\\n\\t\\t\\t\\t\\t\\tstcb->asoc.control_pdapi = sq;\\n\\t\\t\\t\\t\\t\\tstrseq = (sq->sinfo_stream << 16) | (sq->mid & 0x0000ffff);\\n\\t\\t\\t\\t\\t\\tsctp_ulp_notify(SCTP_NOTIFY_PARTIAL_DELVIERY_INDICATION,\\n\\t\\t\\t\\t\\t\\t stcb,\\n\\t\\t\\t\\t\\t\\t SCTP_PARTIAL_DELIVERY_ABORTED,\\n\\t\\t\\t\\t\\t\\t (void *)&strseq,\\n\\t\\t\\t\\t\\t\\t SCTP_SO_LOCKED);\\n\\t\\t\\t\\t\\t\\tstcb->asoc.control_pdapi = NULL;\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\t/* Add an end to wake them */\\n\\t\\t\\t\\tsq->end_added = 1;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\tSCTP_INP_READ_UNLOCK(inp);\\n\\t\\tif (stcb->block_entry) {\\n\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_PCB, ECONNRESET);\\n\\t\\t\\tstcb->block_entry->error = ECONNRESET;\\n\\t\\t\\tstcb->block_entry = NULL;\\n\\t\\t}\\n\\t}\\n\\tif ((stcb->asoc.refcnt) || (stcb->asoc.state & SCTP_STATE_IN_ACCEPT_QUEUE)) {\\n\\t\\t/* Someone holds a reference OR the socket is unaccepted yet.\\n\\t\\t*/\\n\\t\\tif ((stcb->asoc.refcnt) ||\\n\\t\\t (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||\\n\\t\\t (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) {\\n\\t\\t\\tSCTP_CLEAR_SUBSTATE(stcb, SCTP_STATE_IN_ACCEPT_QUEUE);\\n\\t\\t\\tsctp_timer_start(SCTP_TIMER_TYPE_ASOCKILL, inp, stcb, NULL);\\n\\t\\t}\\n\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t\\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||\\n\\t\\t (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE))\\n\\t\\t\\t/* nothing around */\\n\\t\\t\\tso = NULL;\\n\\t\\tif (so) {\\n\\t\\t\\t/* Wake any reader/writers */\\n\\t\\t\\tsctp_sorwakeup(inp, so);\\n\\t\\t\\tsctp_sowwakeup(inp, so);\\n\\t\\t}\",\n \"#ifdef SCTP_LOG_CLOSING\\n\\t\\tsctp_log_closing(inp, stcb, 9);\\n#endif\\n\\t\\t/* no asoc destroyed */\\n\\t\\treturn (0);\\n\\t}\\n#ifdef SCTP_LOG_CLOSING\\n\\tsctp_log_closing(inp, stcb, 10);\\n#endif\\n\\t/* When I reach here, no others want\\n\\t * to kill the assoc yet.. and I own\\n\\t * the lock. Now its possible an abort\\n\\t * comes in when I do the lock exchange\\n\\t * below to grab all the locks to do\\n\\t * the final take out. to prevent this\\n\\t * we increment the count, which will\\n\\t * start a timer and blow out above thus\\n\\t * assuring us that we hold exclusive\\n\\t * killing of the asoc. Note that\\n\\t * after getting back the TCB lock\\n\\t * we will go ahead and increment the\\n\\t * counter back up and stop any timer\\n\\t * a passing stranger may have started :-S\\n\\t */\\n\\tif (from_inpcbfree == SCTP_NORMAL_PROC) {\\n\\t\\tatomic_add_int(&stcb->asoc.refcnt, 1);\",\n \"\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t\\tSCTP_INP_INFO_WLOCK();\\n\\t\\tSCTP_INP_WLOCK(inp);\\n\\t\\tSCTP_TCB_LOCK(stcb);\\n\\t}\\n\\t/* Double check the GONE flag */\\n\\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||\\n\\t (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE))\\n\\t\\t/* nothing around */\\n\\t\\tso = NULL;\",\n \"\\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\\n\\t (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {\\n\\t\\t/*\\n\\t\\t * For TCP type we need special handling when we are\\n\\t\\t * connected. We also include the peel'ed off ones to.\\n\\t\\t */\\n\\t\\tif (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {\\n\\t\\t\\tinp->sctp_flags &= ~SCTP_PCB_FLAGS_CONNECTED;\\n\\t\\t\\tinp->sctp_flags |= SCTP_PCB_FLAGS_WAS_CONNECTED;\\n\\t\\t\\tif (so) {\\n\\t\\t\\t\\tSOCKBUF_LOCK(&so->so_rcv);\\n\\t\\t\\t\\tso->so_state &= ~(SS_ISCONNECTING |\\n\\t\\t\\t\\t SS_ISDISCONNECTING |\\n\\t\\t\\t\\t SS_ISCONFIRMING |\\n\\t\\t\\t\\t SS_ISCONNECTED);\\n\\t\\t\\t\\tso->so_state |= SS_ISDISCONNECTED;\\n#if defined(__APPLE__)\\n\\t\\t\\t\\tsocantrcvmore(so);\\n#else\\n\\t\\t\\t\\tsocantrcvmore_locked(so);\\n#endif\\n\\t\\t\\t\\tsocantsendmore(so);\\n\\t\\t\\t\\tsctp_sowwakeup(inp, so);\\n\\t\\t\\t\\tsctp_sorwakeup(inp, so);\\n\\t\\t\\t\\tSCTP_SOWAKEUP(so);\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\",\n \"\\t/* Make it invalid too, that way if its\\n\\t * about to run it will abort and return.\\n\\t */\\n\\t/* re-increment the lock */\\n\\tif (from_inpcbfree == SCTP_NORMAL_PROC) {\\n\\t\\tatomic_add_int(&stcb->asoc.refcnt, -1);\\n\\t}\\n\\tif (stcb->asoc.refcnt) {\\n\\t\\tSCTP_CLEAR_SUBSTATE(stcb, SCTP_STATE_IN_ACCEPT_QUEUE);\\n\\t\\tsctp_timer_start(SCTP_TIMER_TYPE_ASOCKILL, inp, stcb, NULL);\\n\\t\\tif (from_inpcbfree == SCTP_NORMAL_PROC) {\\n\\t\\t\\tSCTP_INP_INFO_WUNLOCK();\\n\\t\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t\\t}\\n\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t\\treturn (0);\\n\\t}\\n\\tasoc->state = 0;\\n\\tif (inp->sctp_tcbhash) {\\n\\t\\tLIST_REMOVE(stcb, sctp_tcbhash);\\n\\t}\\n\\tif (stcb->asoc.in_asocid_hash) {\\n\\t\\tLIST_REMOVE(stcb, sctp_tcbasocidhash);\\n\\t}\\n\\t/* Now lets remove it from the list of ALL associations in the EP */\\n\\tLIST_REMOVE(stcb, sctp_tcblist);\\n\\tif (from_inpcbfree == SCTP_NORMAL_PROC) {\\n\\t\\tSCTP_INP_INCR_REF(inp);\\n\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t}\\n\\t/* pull from vtag hash */\\n\\tLIST_REMOVE(stcb, sctp_asocs);\\n\\tsctp_add_vtag_to_timewait(asoc->my_vtag, SCTP_BASE_SYSCTL(sctp_vtag_time_wait),\\n\\t\\t\\t\\t inp->sctp_lport, stcb->rport);\",\n \"\\t/* Now restop the timers to be sure\\n\\t * this is paranoia at is finest!\\n\\t */\\n\\t(void)SCTP_OS_TIMER_STOP(&asoc->strreset_timer.timer);\\n\\t(void)SCTP_OS_TIMER_STOP(&asoc->dack_timer.timer);\\n\\t(void)SCTP_OS_TIMER_STOP(&asoc->strreset_timer.timer);\\n\\t(void)SCTP_OS_TIMER_STOP(&asoc->asconf_timer.timer);\\n\\t(void)SCTP_OS_TIMER_STOP(&asoc->shut_guard_timer.timer);\\n\\t(void)SCTP_OS_TIMER_STOP(&asoc->autoclose_timer.timer);\\n\\t(void)SCTP_OS_TIMER_STOP(&asoc->delayed_event_timer.timer);\\n\\tTAILQ_FOREACH(net, &asoc->nets, sctp_next) {\\n\\t\\t(void)SCTP_OS_TIMER_STOP(&net->rxt_timer.timer);\\n\\t\\t(void)SCTP_OS_TIMER_STOP(&net->pmtu_timer.timer);\\n\\t\\t(void)SCTP_OS_TIMER_STOP(&net->hb_timer.timer);\\n\\t}\",\n \"\\tasoc->strreset_timer.type = SCTP_TIMER_TYPE_NONE;\\n\\t/*\\n\\t * The chunk lists and such SHOULD be empty but we check them just\\n\\t * in case.\\n\\t */\\n\\t/* anything on the wheel needs to be removed */\\n\\tSCTP_TCB_SEND_LOCK(stcb);\\n\\tfor (i = 0; i < asoc->streamoutcnt; i++) {\\n\\t\\tstruct sctp_stream_out *outs;\",\n \"\\t\\touts = &asoc->strmout[i];\\n\\t\\t/* now clean up any chunks here */\\n\\t\\tTAILQ_FOREACH_SAFE(sp, &outs->outqueue, next, nsp) {\\n\\t\\t\\tatomic_subtract_int(&asoc->stream_queue_cnt, 1);\\n\\t\\t\\tTAILQ_REMOVE(&outs->outqueue, sp, next);\\n\\t\\t\\tstcb->asoc.ss_functions.sctp_ss_remove_from_stream(stcb, asoc, outs, sp, 1);\\n\\t\\t\\tsctp_free_spbufspace(stcb, asoc, sp);\\n\\t\\t\\tif (sp->data) {\\n\\t\\t\\t\\tif (so) {\\n\\t\\t\\t\\t\\t/* Still an open socket - report */\\n\\t\\t\\t\\t\\tsctp_ulp_notify(SCTP_NOTIFY_SPECIAL_SP_FAIL, stcb,\\n\\t\\t\\t\\t\\t 0, (void *)sp, SCTP_SO_LOCKED);\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tif (sp->data) {\\n\\t\\t\\t\\t\\tsctp_m_freem(sp->data);\\n\\t\\t\\t\\t\\tsp->data = NULL;\\n\\t\\t\\t\\t\\tsp->tail_mbuf = NULL;\\n\\t\\t\\t\\t\\tsp->length = 0;\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t\\tif (sp->net) {\\n\\t\\t\\t\\tsctp_free_remote_addr(sp->net);\\n\\t\\t\\t\\tsp->net = NULL;\\n\\t\\t\\t}\\n\\t\\t\\tsctp_free_a_strmoq(stcb, sp, SCTP_SO_LOCKED);\\n\\t\\t}\\n\\t}\\n\\tSCTP_TCB_SEND_UNLOCK(stcb);\\n\\t/*sa_ignore FREED_MEMORY*/\\n\\tTAILQ_FOREACH_SAFE(strrst, &asoc->resetHead, next_resp, nstrrst) {\\n\\t\\tTAILQ_REMOVE(&asoc->resetHead, strrst, next_resp);\\n\\t\\tSCTP_FREE(strrst, SCTP_M_STRESET);\\n\\t}\\n\\tTAILQ_FOREACH_SAFE(sq, &asoc->pending_reply_queue, next, nsq) {\\n\\t\\tTAILQ_REMOVE(&asoc->pending_reply_queue, sq, next);\\n\\t\\tif (sq->data) {\\n\\t\\t\\tsctp_m_freem(sq->data);\\n\\t\\t\\tsq->data = NULL;\\n\\t\\t}\\n\\t\\tsctp_free_remote_addr(sq->whoFrom);\\n\\t\\tsq->whoFrom = NULL;\\n\\t\\tsq->stcb = NULL;\\n\\t\\t/* Free the ctl entry */\\n\\t\\tsctp_free_a_readq(stcb, sq);\\n\\t\\t/*sa_ignore FREED_MEMORY*/\\n\\t}\\n\\tTAILQ_FOREACH_SAFE(chk, &asoc->free_chunks, sctp_next, nchk) {\\n\\t\\tTAILQ_REMOVE(&asoc->free_chunks, chk, sctp_next);\\n\\t\\tif (chk->data) {\\n\\t\\t\\tsctp_m_freem(chk->data);\\n\\t\\t\\tchk->data = NULL;\\n\\t\\t}\\n\\t\\tif (chk->holds_key_ref)\\n\\t\\t\\tsctp_auth_key_release(stcb, chk->auth_keyid, SCTP_SO_LOCKED);\\n\\t\\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_chunk), chk);\\n\\t\\tSCTP_DECR_CHK_COUNT();\\n\\t\\tatomic_subtract_int(&SCTP_BASE_INFO(ipi_free_chunks), 1);\\n\\t\\tasoc->free_chunk_cnt--;\\n\\t\\t/*sa_ignore FREED_MEMORY*/\\n\\t}\\n\\t/* pending send queue SHOULD be empty */\\n\\tTAILQ_FOREACH_SAFE(chk, &asoc->send_queue, sctp_next, nchk) {\\n\\t\\tif (asoc->strmout[chk->rec.data.sid].chunks_on_queues > 0) {\\n\\t\\t\\tasoc->strmout[chk->rec.data.sid].chunks_on_queues--;\\n#ifdef INVARIANTS\\n\\t\\t} else {\\n\\t\\t\\tpanic(\\\"No chunks on the queues for sid %u.\\\", chk->rec.data.sid);\\n#endif\\n\\t\\t}\\n\\t\\tTAILQ_REMOVE(&asoc->send_queue, chk, sctp_next);\\n\\t\\tif (chk->data) {\\n\\t\\t\\tif (so) {\\n\\t\\t\\t\\t/* Still a socket? */\\n\\t\\t\\t\\tsctp_ulp_notify(SCTP_NOTIFY_UNSENT_DG_FAIL, stcb,\\n\\t\\t\\t\\t 0, chk, SCTP_SO_LOCKED);\\n\\t\\t\\t}\\n\\t\\t\\tif (chk->data) {\\n\\t\\t\\t\\tsctp_m_freem(chk->data);\\n\\t\\t\\t\\tchk->data = NULL;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\tif (chk->holds_key_ref)\\n\\t\\t\\tsctp_auth_key_release(stcb, chk->auth_keyid, SCTP_SO_LOCKED);\\n\\t\\tif (chk->whoTo) {\\n\\t\\t\\tsctp_free_remote_addr(chk->whoTo);\\n\\t\\t\\tchk->whoTo = NULL;\\n\\t\\t}\\n\\t\\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_chunk), chk);\\n\\t\\tSCTP_DECR_CHK_COUNT();\\n\\t\\t/*sa_ignore FREED_MEMORY*/\\n\\t}\\n\\t/* sent queue SHOULD be empty */\\n\\tTAILQ_FOREACH_SAFE(chk, &asoc->sent_queue, sctp_next, nchk) {\\n\\t\\tif (chk->sent != SCTP_DATAGRAM_NR_ACKED) {\\n\\t\\t\\tif (asoc->strmout[chk->rec.data.sid].chunks_on_queues > 0) {\\n\\t\\t\\t\\tasoc->strmout[chk->rec.data.sid].chunks_on_queues--;\\n#ifdef INVARIANTS\\n\\t\\t\\t} else {\\n\\t\\t\\t\\tpanic(\\\"No chunks on the queues for sid %u.\\\", chk->rec.data.sid);\\n#endif\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\tTAILQ_REMOVE(&asoc->sent_queue, chk, sctp_next);\\n\\t\\tif (chk->data) {\\n\\t\\t\\tif (so) {\\n\\t\\t\\t\\t/* Still a socket? */\\n\\t\\t\\t\\tsctp_ulp_notify(SCTP_NOTIFY_SENT_DG_FAIL, stcb,\\n\\t\\t\\t\\t 0, chk, SCTP_SO_LOCKED);\\n\\t\\t\\t}\\n\\t\\t\\tif (chk->data) {\\n\\t\\t\\t\\tsctp_m_freem(chk->data);\\n\\t\\t\\t\\tchk->data = NULL;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\tif (chk->holds_key_ref)\\n\\t\\t\\tsctp_auth_key_release(stcb, chk->auth_keyid, SCTP_SO_LOCKED);\\n\\t\\tsctp_free_remote_addr(chk->whoTo);\\n\\t\\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_chunk), chk);\\n\\t\\tSCTP_DECR_CHK_COUNT();\\n\\t\\t/*sa_ignore FREED_MEMORY*/\\n\\t}\\n#ifdef INVARIANTS\\n\\tfor (i = 0; i < stcb->asoc.streamoutcnt; i++) {\\n\\t\\tif (stcb->asoc.strmout[i].chunks_on_queues > 0) {\\n\\t\\t\\tpanic(\\\"%u chunks left for stream %u.\\\", stcb->asoc.strmout[i].chunks_on_queues, i);\\n\\t\\t}\\n\\t}\\n#endif\\n\\t/* control queue MAY not be empty */\\n\\tTAILQ_FOREACH_SAFE(chk, &asoc->control_send_queue, sctp_next, nchk) {\\n\\t\\tTAILQ_REMOVE(&asoc->control_send_queue, chk, sctp_next);\\n\\t\\tif (chk->data) {\\n\\t\\t\\tsctp_m_freem(chk->data);\\n\\t\\t\\tchk->data = NULL;\\n\\t\\t}\\n\\t\\tif (chk->holds_key_ref)\\n\\t\\t\\tsctp_auth_key_release(stcb, chk->auth_keyid, SCTP_SO_LOCKED);\\n\\t\\tsctp_free_remote_addr(chk->whoTo);\\n\\t\\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_chunk), chk);\\n\\t\\tSCTP_DECR_CHK_COUNT();\\n\\t\\t/*sa_ignore FREED_MEMORY*/\\n\\t}\\n\\t/* ASCONF queue MAY not be empty */\\n\\tTAILQ_FOREACH_SAFE(chk, &asoc->asconf_send_queue, sctp_next, nchk) {\\n\\t\\tTAILQ_REMOVE(&asoc->asconf_send_queue, chk, sctp_next);\\n\\t\\tif (chk->data) {\\n\\t\\t\\tsctp_m_freem(chk->data);\\n\\t\\t\\tchk->data = NULL;\\n\\t\\t}\\n\\t\\tif (chk->holds_key_ref)\\n\\t\\t\\tsctp_auth_key_release(stcb, chk->auth_keyid, SCTP_SO_LOCKED);\\n\\t\\tsctp_free_remote_addr(chk->whoTo);\\n\\t\\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_chunk), chk);\\n\\t\\tSCTP_DECR_CHK_COUNT();\\n\\t\\t/*sa_ignore FREED_MEMORY*/\\n\\t}\\n\\tif (asoc->mapping_array) {\\n\\t\\tSCTP_FREE(asoc->mapping_array, SCTP_M_MAP);\\n\\t\\tasoc->mapping_array = NULL;\\n\\t}\\n\\tif (asoc->nr_mapping_array) {\\n\\t\\tSCTP_FREE(asoc->nr_mapping_array, SCTP_M_MAP);\\n\\t\\tasoc->nr_mapping_array = NULL;\\n\\t}\\n\\t/* the stream outs */\\n\\tif (asoc->strmout) {\\n\\t\\tSCTP_FREE(asoc->strmout, SCTP_M_STRMO);\\n\\t\\tasoc->strmout = NULL;\\n\\t}\\n\\tasoc->strm_realoutsize = asoc->streamoutcnt = 0;\\n\\tif (asoc->strmin) {\\n\\t\\tfor (i = 0; i < asoc->streamincnt; i++) {\\n\\t\\t\\tsctp_clean_up_stream(stcb, &asoc->strmin[i].inqueue);\\n\\t\\t\\tsctp_clean_up_stream(stcb, &asoc->strmin[i].uno_inqueue);\\n\\t\\t}\\n\\t\\tSCTP_FREE(asoc->strmin, SCTP_M_STRMI);\\n\\t\\tasoc->strmin = NULL;\\n\\t}\\n\\tasoc->streamincnt = 0;\\n\\tTAILQ_FOREACH_SAFE(net, &asoc->nets, sctp_next, nnet) {\\n#ifdef INVARIANTS\\n\\t\\tif (SCTP_BASE_INFO(ipi_count_raddr) == 0) {\\n\\t\\t\\tpanic(\\\"no net's left alloc'ed, or list points to itself\\\");\\n\\t\\t}\\n#endif\\n\\t\\tTAILQ_REMOVE(&asoc->nets, net, sctp_next);\\n\\t\\tsctp_free_remote_addr(net);\\n\\t}\\n\\tLIST_FOREACH_SAFE(laddr, &asoc->sctp_restricted_addrs, sctp_nxt_addr, naddr) {\\n\\t\\t/*sa_ignore FREED_MEMORY*/\\n\\t\\tsctp_remove_laddr(laddr);\\n\\t}\",\n \"\\t/* pending asconf (address) parameters */\\n\\tTAILQ_FOREACH_SAFE(aparam, &asoc->asconf_queue, next, naparam) {\\n\\t\\t/*sa_ignore FREED_MEMORY*/\\n\\t\\tTAILQ_REMOVE(&asoc->asconf_queue, aparam, next);\\n\\t\\tSCTP_FREE(aparam,SCTP_M_ASC_ADDR);\\n\\t}\\n\\tTAILQ_FOREACH_SAFE(aack, &asoc->asconf_ack_sent, next, naack) {\\n\\t\\t/*sa_ignore FREED_MEMORY*/\\n\\t\\tTAILQ_REMOVE(&asoc->asconf_ack_sent, aack, next);\\n\\t\\tif (aack->data != NULL) {\\n\\t\\t\\tsctp_m_freem(aack->data);\\n\\t\\t}\\n\\t\\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_asconf_ack), aack);\\n\\t}\\n\\t/* clean up auth stuff */\\n\\tif (asoc->local_hmacs)\\n\\t\\tsctp_free_hmaclist(asoc->local_hmacs);\\n\\tif (asoc->peer_hmacs)\\n\\t\\tsctp_free_hmaclist(asoc->peer_hmacs);\",\n \"\\tif (asoc->local_auth_chunks)\\n\\t\\tsctp_free_chunklist(asoc->local_auth_chunks);\\n\\tif (asoc->peer_auth_chunks)\\n\\t\\tsctp_free_chunklist(asoc->peer_auth_chunks);\",\n \"\\tsctp_free_authinfo(&asoc->authinfo);\",\n \"\\tLIST_FOREACH_SAFE(shared_key, &asoc->shared_keys, next, nshared_key) {\\n\\t\\tLIST_REMOVE(shared_key, next);\\n\\t\\tsctp_free_sharedkey(shared_key);\\n\\t\\t/*sa_ignore FREED_MEMORY*/\\n\\t}\",\n \"\\t/* Insert new items here :> */\",\n \"\\t/* Get rid of LOCK */\\n\\tSCTP_TCB_UNLOCK(stcb);\\n\\tSCTP_TCB_LOCK_DESTROY(stcb);\\n\\tSCTP_TCB_SEND_LOCK_DESTROY(stcb);\\n\\tif (from_inpcbfree == SCTP_NORMAL_PROC) {\\n\\t\\tSCTP_INP_INFO_WUNLOCK();\\n\\t\\tSCTP_INP_RLOCK(inp);\\n\\t}\\n#if defined(__APPLE__) /* TEMP CODE */\\n\\tstcb->freed_from_where = from_location;\\n#endif\\n#ifdef SCTP_TRACK_FREED_ASOCS\\n\\tif (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) {\\n\\t\\t/* now clean up the tasoc itself */\\n\\t\\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_asoc), stcb);\\n\\t\\tSCTP_DECR_ASOC_COUNT();\\n\\t} else {\\n\\t\\tLIST_INSERT_HEAD(&inp->sctp_asoc_free_list, stcb, sctp_tcblist);\\n\\t}\\n#else\\n\\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_asoc), stcb);\\n\\tSCTP_DECR_ASOC_COUNT();\\n#endif\\n\\tif (from_inpcbfree == SCTP_NORMAL_PROC) {\\n\\t\\tif (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) {\\n\\t\\t\\t/* If its NOT the inp_free calling us AND\\n\\t\\t\\t * sctp_close as been called, we\\n\\t\\t\\t * call back...\\n\\t\\t\\t */\\n\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\t/* This will start the kill timer (if we are\\n\\t\\t\\t * the last one) since we hold an increment yet. But\\n\\t\\t\\t * this is the only safe way to do this\\n\\t\\t\\t * since otherwise if the socket closes\\n\\t\\t\\t * at the same time we are here we might\\n\\t\\t\\t * collide in the cleanup.\\n\\t\\t\\t */\\n\\t\\t\\tsctp_inpcb_free(inp,\\n\\t\\t\\t\\t\\tSCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE,\\n\\t\\t\\t\\t\\tSCTP_CALLED_DIRECTLY_NOCMPSET);\\n\\t\\t\\tSCTP_INP_DECR_REF(inp);\\n\\t\\t\\tgoto out_of;\\n\\t\\t} else {\\n\\t\\t\\t/* The socket is still open. */\\n\\t\\t\\tSCTP_INP_DECR_REF(inp);\\n\\t\\t}\\n\\t}\\n\\tif (from_inpcbfree == SCTP_NORMAL_PROC) {\\n\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t}\\n out_of:\\n\\t/* destroyed the asoc */\\n#ifdef SCTP_LOG_CLOSING\\n\\tsctp_log_closing(inp, NULL, 11);\\n#endif\\n\\treturn (1);\\n}\",\n \"\",\n \"/*\\n * determine if a destination is \\\"reachable\\\" based upon the addresses bound\\n * to the current endpoint (e.g. only v4 or v6 currently bound)\\n */\\n/*\\n * FIX: if we allow assoc-level bindx(), then this needs to be fixed to use\\n * assoc level v4/v6 flags, as the assoc *may* not have the same address\\n * types bound as its endpoint\\n */\\nint\\nsctp_destination_is_reachable(struct sctp_tcb *stcb, struct sockaddr *destaddr)\\n{\\n\\tstruct sctp_inpcb *inp;\\n\\tint answer;\",\n \"\\t/*\\n\\t * No locks here, the TCB, in all cases is already locked and an\\n\\t * assoc is up. There is either a INP lock by the caller applied (in\\n\\t * asconf case when deleting an address) or NOT in the HB case,\\n\\t * however if HB then the INP increment is up and the INP will not\\n\\t * be removed (on top of the fact that we have a TCB lock). So we\\n\\t * only want to read the sctp_flags, which is either bound-all or\\n\\t * not.. no protection needed since once an assoc is up you can't be\\n\\t * changing your binding.\\n\\t */\\n\\tinp = stcb->sctp_ep;\\n\\tif (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {\\n\\t\\t/* if bound all, destination is not restricted */\\n\\t\\t/*\\n\\t\\t * RRS: Question during lock work: Is this correct? If you\\n\\t\\t * are bound-all you still might need to obey the V4--V6\\n\\t\\t * flags??? IMO this bound-all stuff needs to be removed!\\n\\t\\t */\\n\\t\\treturn (1);\\n\\t}\\n\\t/* NOTE: all \\\"scope\\\" checks are done when local addresses are added */\\n\\tswitch (destaddr->sa_family) {\\n#ifdef INET6\\n\\tcase AF_INET6:\\n#if !(defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__))\\n\\t\\tanswer = inp->inp_vflag & INP_IPV6;\\n#else\\n\\t\\tanswer = inp->ip_inp.inp.inp_vflag & INP_IPV6;\\n#endif\\n\\t\\tbreak;\\n#endif\\n#ifdef INET\\n\\tcase AF_INET:\\n#if !(defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__))\\n\\t\\tanswer = inp->inp_vflag & INP_IPV4;\\n#else\\n\\t\\tanswer = inp->ip_inp.inp.inp_vflag & INP_IPV4;\\n#endif\\n\\t\\tbreak;\\n#endif\\n#if defined(__Userspace__)\\n\\tcase AF_CONN:\\n\\t\\tanswer = inp->ip_inp.inp.inp_vflag & INP_CONN;\\n\\t\\tbreak;\\n#endif\\n\\tdefault:\\n\\t\\t/* invalid family, so it's unreachable */\\n\\t\\tanswer = 0;\\n\\t\\tbreak;\\n\\t}\\n\\treturn (answer);\\n}\",\n \"/*\\n * update the inp_vflags on an endpoint\\n */\\nstatic void\\nsctp_update_ep_vflag(struct sctp_inpcb *inp)\\n{\\n\\tstruct sctp_laddr *laddr;\",\n \"\\t/* first clear the flag */\\n#if !(defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__))\\n\\tinp->inp_vflag = 0;\\n#else\\n\\tinp->ip_inp.inp.inp_vflag = 0;\\n#endif\\n\\t/* set the flag based on addresses on the ep list */\\n\\tLIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {\\n\\t\\tif (laddr->ifa == NULL) {\\n\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB1, \\\"%s: NULL ifa\\\\n\\\",\\n\\t\\t\\t\\t__func__);\\n\\t\\t\\tcontinue;\\n\\t\\t}\",\n \"\\t\\tif (laddr->ifa->localifa_flags & SCTP_BEING_DELETED) {\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\tswitch (laddr->ifa->address.sa.sa_family) {\\n#ifdef INET6\\n\\t\\tcase AF_INET6:\\n#if !(defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__))\\n\\t\\t\\tinp->inp_vflag |= INP_IPV6;\\n#else\\n\\t\\t\\tinp->ip_inp.inp.inp_vflag |= INP_IPV6;\\n#endif\\n\\t\\t\\tbreak;\\n#endif\\n#ifdef INET\\n\\t\\tcase AF_INET:\\n#if !(defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__))\\n\\t\\t\\tinp->inp_vflag |= INP_IPV4;\\n#else\\n\\t\\t\\tinp->ip_inp.inp.inp_vflag |= INP_IPV4;\\n#endif\\n\\t\\t\\tbreak;\\n#endif\\n#if defined(__Userspace__)\\n\\t\\tcase AF_CONN:\\n\\t\\t\\tinp->ip_inp.inp.inp_vflag |= INP_CONN;\\n\\t\\t\\tbreak;\\n#endif\\n\\t\\tdefault:\\n\\t\\t\\tbreak;\\n\\t\\t}\\n\\t}\\n}\",\n \"/*\\n * Add the address to the endpoint local address list There is nothing to be\\n * done if we are bound to all addresses\\n */\\nvoid\\nsctp_add_local_addr_ep(struct sctp_inpcb *inp, struct sctp_ifa *ifa, uint32_t action)\\n{\\n\\tstruct sctp_laddr *laddr;\\n\\tstruct sctp_tcb *stcb;\\n\\tint fnd, error = 0;\",\n \"\\tfnd = 0;\",\n \"\\tif (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {\\n\\t\\t/* You are already bound to all. You have it already */\\n\\t\\treturn;\\n\\t}\\n#ifdef INET6\\n\\tif (ifa->address.sa.sa_family == AF_INET6) {\\n\\t\\tif (ifa->localifa_flags & SCTP_ADDR_IFA_UNUSEABLE) {\\n\\t\\t\\t/* Can't bind a non-useable addr. */\\n\\t\\t\\treturn;\\n\\t\\t}\\n\\t}\\n#endif\\n\\t/* first, is it already present? */\\n\\tLIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {\\n\\t\\tif (laddr->ifa == ifa) {\\n\\t\\t\\tfnd = 1;\\n\\t\\t\\tbreak;\\n\\t\\t}\\n\\t}\",\n \"\\tif (fnd == 0) {\\n\\t\\t/* Not in the ep list */\\n\\t\\terror = sctp_insert_laddr(&inp->sctp_addr_list, ifa, action);\\n\\t\\tif (error != 0)\\n\\t\\t\\treturn;\\n\\t\\tinp->laddr_count++;\\n\\t\\t/* update inp_vflag flags */\\n\\t\\tswitch (ifa->address.sa.sa_family) {\\n#ifdef INET6\\n\\t\\tcase AF_INET6:\\n#if !(defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__))\\n\\t\\t\\tinp->inp_vflag |= INP_IPV6;\\n#else\\n\\t\\t\\tinp->ip_inp.inp.inp_vflag |= INP_IPV6;\\n#endif\\n\\t\\t\\tbreak;\\n#endif\\n#ifdef INET\\n\\t\\tcase AF_INET:\\n#if !(defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__))\\n\\t\\t\\tinp->inp_vflag |= INP_IPV4;\\n#else\\n\\t\\t\\tinp->ip_inp.inp.inp_vflag |= INP_IPV4;\\n#endif\\n\\t\\t\\tbreak;\\n#endif\\n#if defined(__Userspace__)\\n\\t\\tcase AF_CONN:\\n\\t\\t\\tinp->ip_inp.inp.inp_vflag |= INP_CONN;\\n\\t\\t\\tbreak;\\n#endif\\n\\t\\tdefault:\\n\\t\\t\\tbreak;\\n\\t\\t}\\n\\t\\tLIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {\\n\\t\\t\\tsctp_add_local_addr_restricted(stcb, ifa);\\n\\t\\t}\\n\\t}\\n\\treturn;\\n}\",\n \"\\n/*\\n * select a new (hopefully reachable) destination net (should only be used\\n * when we deleted an ep addr that is the only usable source address to reach\\n * the destination net)\\n */\\nstatic void\\nsctp_select_primary_destination(struct sctp_tcb *stcb)\\n{\\n\\tstruct sctp_nets *net;\",\n \"\\tTAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {\\n\\t\\t/* for now, we'll just pick the first reachable one we find */\\n\\t\\tif (net->dest_state & SCTP_ADDR_UNCONFIRMED)\\n\\t\\t\\tcontinue;\\n\\t\\tif (sctp_destination_is_reachable(stcb,\\n\\t\\t (struct sockaddr *)&net->ro._l_addr)) {\\n\\t\\t\\t/* found a reachable destination */\\n\\t\\t\\tstcb->asoc.primary_destination = net;\\n\\t\\t}\\n\\t}\\n\\t/* I can't there from here! ...we're gonna die shortly... */\\n}\",\n \"\\n/*\\n * Delete the address from the endpoint local address list. There is nothing\\n * to be done if we are bound to all addresses\\n */\\nvoid\\nsctp_del_local_addr_ep(struct sctp_inpcb *inp, struct sctp_ifa *ifa)\\n{\\n\\tstruct sctp_laddr *laddr;\\n\\tint fnd;\",\n \"\\tfnd = 0;\\n\\tif (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {\\n\\t\\t/* You are already bound to all. You have it already */\\n\\t\\treturn;\\n\\t}\\n\\tLIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {\\n\\t\\tif (laddr->ifa == ifa) {\\n\\t\\t\\tfnd = 1;\\n\\t\\t\\tbreak;\\n\\t\\t}\\n\\t}\\n\\tif (fnd && (inp->laddr_count < 2)) {\\n\\t\\t/* can't delete unless there are at LEAST 2 addresses */\\n\\t\\treturn;\\n\\t}\\n\\tif (fnd) {\\n\\t\\t/*\\n\\t\\t * clean up any use of this address go through our\\n\\t\\t * associations and clear any last_used_address that match\\n\\t\\t * this one for each assoc, see if a new primary_destination\\n\\t\\t * is needed\\n\\t\\t */\\n\\t\\tstruct sctp_tcb *stcb;\",\n \"\\t\\t/* clean up \\\"next_addr_touse\\\" */\\n\\t\\tif (inp->next_addr_touse == laddr)\\n\\t\\t\\t/* delete this address */\\n\\t\\t\\tinp->next_addr_touse = NULL;\",\n \"\\t\\t/* clean up \\\"last_used_address\\\" */\\n\\t\\tLIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {\\n\\t\\t\\tstruct sctp_nets *net;\",\n \"\\t\\t\\tSCTP_TCB_LOCK(stcb);\\n\\t\\t\\tif (stcb->asoc.last_used_address == laddr)\\n\\t\\t\\t\\t/* delete this address */\\n\\t\\t\\t\\tstcb->asoc.last_used_address = NULL;\\n\\t\\t\\t/* Now spin through all the nets and purge any ref to laddr */\\n\\t\\t\\tTAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {\\n\\t\\t\\t\\tif (net->ro._s_addr == laddr->ifa) {\\n\\t\\t\\t\\t\\t/* Yep, purge src address selected */\\n\\t\\t\\t\\t\\tsctp_rtentry_t *rt;\",\n \"\\t\\t\\t\\t\\t/* delete this address if cached */\\n\\t\\t\\t\\t\\trt = net->ro.ro_rt;\\n\\t\\t\\t\\t\\tif (rt != NULL) {\\n\\t\\t\\t\\t\\t\\tRTFREE(rt);\\n\\t\\t\\t\\t\\t\\tnet->ro.ro_rt = NULL;\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tsctp_free_ifa(net->ro._s_addr);\\n\\t\\t\\t\\t\\tnet->ro._s_addr = NULL;\\n\\t\\t\\t\\t\\tnet->src_addr_selected = 0;\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t\\t}\\t\\t/* for each tcb */\\n\\t\\t/* remove it from the ep list */\\n\\t\\tsctp_remove_laddr(laddr);\\n\\t\\tinp->laddr_count--;\\n\\t\\t/* update inp_vflag flags */\\n\\t\\tsctp_update_ep_vflag(inp);\\n\\t}\\n\\treturn;\\n}\",\n \"/*\\n * Add the address to the TCB local address restricted list.\\n * This is a \\\"pending\\\" address list (eg. addresses waiting for an\\n * ASCONF-ACK response) and cannot be used as a valid source address.\\n */\\nvoid\\nsctp_add_local_addr_restricted(struct sctp_tcb *stcb, struct sctp_ifa *ifa)\\n{\\n\\tstruct sctp_laddr *laddr;\\n\\tstruct sctpladdr *list;\",\n \"\\t/*\\n\\t * Assumes TCB is locked.. and possibly the INP. May need to\\n\\t * confirm/fix that if we need it and is not the case.\\n\\t */\\n\\tlist = &stcb->asoc.sctp_restricted_addrs;\",\n \"#ifdef INET6\\n\\tif (ifa->address.sa.sa_family == AF_INET6) {\\n\\t\\tif (ifa->localifa_flags & SCTP_ADDR_IFA_UNUSEABLE) {\\n\\t\\t\\t/* Can't bind a non-existent addr. */\\n\\t\\t\\treturn;\\n\\t\\t}\\n\\t}\\n#endif\\n\\t/* does the address already exist? */\\n\\tLIST_FOREACH(laddr, list, sctp_nxt_addr) {\\n\\t\\tif (laddr->ifa == ifa) {\\n\\t\\t\\treturn;\\n\\t\\t}\\n\\t}\",\n \"\\t/* add to the list */\\n\\t(void)sctp_insert_laddr(list, ifa, 0);\\n\\treturn;\\n}\",\n \"/*\\n * Remove a local address from the TCB local address restricted list\\n */\\nvoid\\nsctp_del_local_addr_restricted(struct sctp_tcb *stcb, struct sctp_ifa *ifa)\\n{\\n\\tstruct sctp_inpcb *inp;\\n\\tstruct sctp_laddr *laddr;\",\n \"\\t/*\\n\\t * This is called by asconf work. It is assumed that a) The TCB is\\n\\t * locked and b) The INP is locked. This is true in as much as I can\\n\\t * trace through the entry asconf code where I did these locks.\\n\\t * Again, the ASCONF code is a bit different in that it does lock\\n\\t * the INP during its work often times. This must be since we don't\\n\\t * want other proc's looking up things while what they are looking\\n\\t * up is changing :-D\\n\\t */\",\n \"\\tinp = stcb->sctp_ep;\\n\\t/* if subset bound and don't allow ASCONF's, can't delete last */\\n\\tif (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) &&\\n\\t sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_ASCONF)) {\\n\\t\\tif (stcb->sctp_ep->laddr_count < 2) {\\n\\t\\t\\t/* can't delete last address */\\n\\t\\t\\treturn;\\n\\t\\t}\\n\\t}\\n\\tLIST_FOREACH(laddr, &stcb->asoc.sctp_restricted_addrs, sctp_nxt_addr) {\\n\\t\\t/* remove the address if it exists */\\n\\t\\tif (laddr->ifa == NULL)\\n\\t\\t\\tcontinue;\\n\\t\\tif (laddr->ifa == ifa) {\\n\\t\\t\\tsctp_remove_laddr(laddr);\\n\\t\\t\\treturn;\\n\\t\\t}\\n\\t}\",\n \"\\t/* address not found! */\\n\\treturn;\\n}\",\n \"#if defined(__FreeBSD__)\\n/*\\n * Temporarily remove for __APPLE__ until we use the Tiger equivalents\\n */\\n/* sysctl */\\nstatic int sctp_max_number_of_assoc = SCTP_MAX_NUM_OF_ASOC;\\nstatic int sctp_scale_up_for_address = SCTP_SCALE_FOR_ADDR;\\n#endif\\t\\t\\t\\t/* FreeBSD || APPLE */\",\n \"\",\n \"#if defined(__FreeBSD__) && defined(SCTP_MCORE_INPUT) && defined(SMP)\\nstruct sctp_mcore_ctrl *sctp_mcore_workers = NULL;\\nint *sctp_cpuarry = NULL;\\nvoid\\nsctp_queue_to_mcore(struct mbuf *m, int off, int cpu_to_use)\\n{\\n\\t/* Queue a packet to a processor for the specified core */\\n\\tstruct sctp_mcore_queue *qent;\\n\\tstruct sctp_mcore_ctrl *wkq;\\n\\tint need_wake = 0;\\n\\tif (sctp_mcore_workers == NULL) {\\n\\t\\t/* Something went way bad during setup */\\n\\t\\tsctp_input_with_port(m, off, 0);\\n\\t\\treturn;\\n\\t}\\n\\tSCTP_MALLOC(qent, struct sctp_mcore_queue *,\\n\\t\\t (sizeof(struct sctp_mcore_queue)),\\n\\t\\t SCTP_M_MCORE);\\n\\tif (qent == NULL) {\\n\\t\\t/* This is trouble */\\n\\t\\tsctp_input_with_port(m, off, 0);\\n\\t\\treturn;\\n\\t}\\n#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\\n\\tqent->vn = curvnet;\\n#endif\\n\\tqent->m = m;\\n\\tqent->off = off;\\n\\tqent->v6 = 0;\\n\\twkq = &sctp_mcore_workers[cpu_to_use];\\n\\tSCTP_MCORE_QLOCK(wkq);\",\n \"\\tTAILQ_INSERT_TAIL(&wkq->que, qent, next);\\n\\tif (wkq->running == 0) {\\n\\t\\tneed_wake = 1;\\n\\t}\\n\\tSCTP_MCORE_QUNLOCK(wkq);\\n\\tif (need_wake) {\\n\\t\\twakeup(&wkq->running);\\n\\t}\\n}\",\n \"static void\\nsctp_mcore_thread(void *arg)\\n{\",\n \"\\tstruct sctp_mcore_ctrl *wkq;\\n\\tstruct sctp_mcore_queue *qent;\",\n \"\\twkq = (struct sctp_mcore_ctrl *)arg;\\n\\tstruct mbuf *m;\\n\\tint off, v6;\",\n \"\\t/* Wait for first tickle */\\n\\tSCTP_MCORE_LOCK(wkq);\\n\\twkq->running = 0;\\n\\tmsleep(&wkq->running,\\n\\t &wkq->core_mtx,\\n\\t 0, \\\"wait for pkt\\\", 0);\\n\\tSCTP_MCORE_UNLOCK(wkq);\",\n \"\\t/* Bind to our cpu */\\n\\tthread_lock(curthread);\\n\\tsched_bind(curthread, wkq->cpuid);\\n\\tthread_unlock(curthread);\",\n \"\\t/* Now lets start working */\\n\\tSCTP_MCORE_LOCK(wkq);\\n\\t/* Now grab lock and go */\\n\\tfor (;;) {\\n\\t\\tSCTP_MCORE_QLOCK(wkq);\\n\\tskip_sleep:\\n\\t\\twkq->running = 1;\\n\\t\\tqent = TAILQ_FIRST(&wkq->que);\\n\\t\\tif (qent) {\\n\\t\\t\\tTAILQ_REMOVE(&wkq->que, qent, next);\\n\\t\\t\\tSCTP_MCORE_QUNLOCK(wkq);\\n#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\\n\\t\\t\\tCURVNET_SET(qent->vn);\\n#endif\\n\\t\\t\\tm = qent->m;\\n\\t\\t\\toff = qent->off;\\n\\t\\t\\tv6 = qent->v6;\\n\\t\\t\\tSCTP_FREE(qent, SCTP_M_MCORE);\\n\\t\\t\\tif (v6 == 0) {\\n\\t\\t\\t\\tsctp_input_with_port(m, off, 0);\\n\\t\\t\\t} else {\\n\\t\\t\\t\\tSCTP_PRINTF(\\\"V6 not yet supported\\\\n\\\");\\n\\t\\t\\t\\tsctp_m_freem(m);\\n\\t\\t\\t}\\n#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\\n\\t\\t\\tCURVNET_RESTORE();\\n#endif\\n\\t\\t\\tSCTP_MCORE_QLOCK(wkq);\\n\\t\\t}\\n\\t\\twkq->running = 0;\\n\\t\\tif (!TAILQ_EMPTY(&wkq->que)) {\\n\\t\\t\\tgoto skip_sleep;\\n\\t\\t}\\n\\t\\tSCTP_MCORE_QUNLOCK(wkq);\\n\\t\\tmsleep(&wkq->running,\\n\\t\\t &wkq->core_mtx,\\n\\t\\t 0, \\\"wait for pkt\\\", 0);\\n\\t}\\n}\",\n \"static void\\nsctp_startup_mcore_threads(void)\\n{\\n\\tint i, cpu;\",\n \"\\tif (mp_ncpus == 1)\\n\\t\\treturn;\",\n \"\\tif (sctp_mcore_workers != NULL) {\\n\\t\\t/* Already been here in some previous\\n\\t\\t * vnet?\\n\\t\\t */\\n\\t\\treturn;\\n\\t}\\n\\tSCTP_MALLOC(sctp_mcore_workers, struct sctp_mcore_ctrl *,\\n\\t\\t ((mp_maxid+1) * sizeof(struct sctp_mcore_ctrl)),\\n\\t\\t SCTP_M_MCORE);\\n\\tif (sctp_mcore_workers == NULL) {\\n\\t\\t/* TSNH I hope */\\n\\t\\treturn;\\n\\t}\\n\\tmemset(sctp_mcore_workers, 0 , ((mp_maxid+1) *\\n\\t\\t\\t\\t\\tsizeof(struct sctp_mcore_ctrl)));\\n\\t/* Init the structures */\\n\\tfor (i = 0; i<=mp_maxid; i++) {\\n\\t\\tTAILQ_INIT(&sctp_mcore_workers[i].que);\\n\\t\\tSCTP_MCORE_LOCK_INIT(&sctp_mcore_workers[i]);\\n\\t\\tSCTP_MCORE_QLOCK_INIT(&sctp_mcore_workers[i]);\\n\\t\\tsctp_mcore_workers[i].cpuid = i;\\n\\t}\\n\\tif (sctp_cpuarry == NULL) {\\n\\t\\tSCTP_MALLOC(sctp_cpuarry, int *,\\n\\t\\t\\t (mp_ncpus * sizeof(int)),\\n\\t\\t\\t SCTP_M_MCORE);\\n\\t\\ti = 0;\\n\\t\\tCPU_FOREACH(cpu) {\\n\\t\\t\\tsctp_cpuarry[i] = cpu;\\n\\t\\t\\ti++;\\n\\t\\t}\\n\\t}\",\n \"\\t/* Now start them all */\\n\\tCPU_FOREACH(cpu) {\\n#if __FreeBSD_version <= 701000\\n\\t\\t(void)kthread_create(sctp_mcore_thread,\\n\\t\\t\\t\\t (void *)&sctp_mcore_workers[cpu],\\n\\t\\t\\t\\t &sctp_mcore_workers[cpu].thread_proc,\\n\\t\\t\\t\\t RFPROC,\\n\\t\\t\\t\\t SCTP_KTHREAD_PAGES,\\n\\t\\t\\t\\t SCTP_MCORE_NAME);\",\n \"#else\\n\\t\\t(void)kproc_create(sctp_mcore_thread,\\n\\t\\t\\t\\t (void *)&sctp_mcore_workers[cpu],\\n\\t\\t\\t\\t &sctp_mcore_workers[cpu].thread_proc,\\n\\t\\t\\t\\t RFPROC,\\n\\t\\t\\t\\t SCTP_KTHREAD_PAGES,\\n\\t\\t\\t\\t SCTP_MCORE_NAME);\\n#endif\",\n \"\\t}\\n}\\n#endif\\n#if defined(__FreeBSD__) && __FreeBSD_cc_version >= 1400000\\nstatic struct mbuf *\\nsctp_netisr_hdlr(struct mbuf *m, uintptr_t source)\\n{\\n\\tstruct ip *ip;\\n\\tstruct sctphdr *sh;\\n\\tint offset;\\n\\tuint32_t flowid, tag;\",\n \"\\t/*\\n\\t * No flow id built by lower layers fix it so we\\n\\t * create one.\\n\\t */\\n\\tip = mtod(m, struct ip *);\\n\\toffset = (ip->ip_hl << 2) + sizeof(struct sctphdr);\\n\\tif (SCTP_BUF_LEN(m) < offset) {\\n\\t\\tif ((m = m_pullup(m, offset)) == NULL) {\\n\\t\\t\\tSCTP_STAT_INCR(sctps_hdrops);\\n\\t\\t\\treturn (NULL);\\n\\t\\t}\\n\\t\\tip = mtod(m, struct ip *);\\n\\t}\\n\\tsh = (struct sctphdr *)((caddr_t)ip + (ip->ip_hl << 2));\\n\\ttag = htonl(sh->v_tag);\\n\\tflowid = tag ^ ntohs(sh->dest_port) ^ ntohs(sh->src_port);\\n\\tm->m_pkthdr.flowid = flowid;\\n/* FIX ME */\\n\\tm->m_flags |= M_FLOWID;\\n\\treturn (m);\\n}\\n#endif\",\n \"void\\n#if defined(__Userspace__)\\nsctp_pcb_init(int start_threads)\\n#else\\nsctp_pcb_init(void)\\n#endif\\n{\\n\\t/*\\n\\t * SCTP initialization for the PCB structures should be called by\\n\\t * the sctp_init() function.\\n\\t */\\n\\tint i;\\n\\tstruct timeval tv;\",\n \"\\tif (SCTP_BASE_VAR(sctp_pcb_initialized) != 0) {\\n\\t\\t/* error I was called twice */\\n\\t\\treturn;\\n\\t}\\n\\tSCTP_BASE_VAR(sctp_pcb_initialized) = 1;\",\n \"#if defined(SCTP_PROCESS_LEVEL_LOCKS)\\n#if !defined(__Userspace_os_Windows)\\n\\tpthread_mutexattr_init(&SCTP_BASE_VAR(mtx_attr));\\n#ifdef INVARIANTS\\n\\tpthread_mutexattr_settype(&SCTP_BASE_VAR(mtx_attr), PTHREAD_MUTEX_ERRORCHECK);\\n#endif\\n#endif\\n#endif\\n#if defined(SCTP_LOCAL_TRACE_BUF)\\n#if defined(__Windows__)\\n\\tif (SCTP_BASE_SYSCTL(sctp_log) != NULL) {\\n\\t\\tmemset(SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log));\\n\\t}\\n#else\\n\\tmemset(&SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log));\\n#endif\\n#endif\\n#if defined(__FreeBSD__) && defined(SMP) && defined(SCTP_USE_PERCPU_STAT)\\n\\tSCTP_MALLOC(SCTP_BASE_STATS, struct sctpstat *,\\n\\t\\t ((mp_maxid+1) * sizeof(struct sctpstat)),\\n\\t\\t SCTP_M_MCORE);\\n#endif\\n\\t(void)SCTP_GETTIME_TIMEVAL(&tv);\\n#if defined(__FreeBSD__) && defined(SMP) && defined(SCTP_USE_PERCPU_STAT)\\n\\tmemset(SCTP_BASE_STATS, 0, sizeof(struct sctpstat) * (mp_maxid+1));\\n\\tSCTP_BASE_STATS[PCPU_GET(cpuid)].sctps_discontinuitytime.tv_sec = (uint32_t)tv.tv_sec;\\n\\tSCTP_BASE_STATS[PCPU_GET(cpuid)].sctps_discontinuitytime.tv_usec = (uint32_t)tv.tv_usec;\\n#else\\n\\tmemset(&SCTP_BASE_STATS, 0, sizeof(struct sctpstat));\\n\\tSCTP_BASE_STAT(sctps_discontinuitytime).tv_sec = (uint32_t)tv.tv_sec;\\n\\tSCTP_BASE_STAT(sctps_discontinuitytime).tv_usec = (uint32_t)tv.tv_usec;\\n#endif\\n\\t/* init the empty list of (All) Endpoints */\\n\\tLIST_INIT(&SCTP_BASE_INFO(listhead));\\n#if defined(__APPLE__)\\n\\tLIST_INIT(&SCTP_BASE_INFO(inplisthead));\\n#if defined(APPLE_LEOPARD) || defined(APPLE_SNOWLEOPARD) || defined(APPLE_LION) || defined(APPLE_MOUNTAINLION)\\n\\tSCTP_BASE_INFO(sctbinfo).listhead = &SCTP_BASE_INFO(inplisthead);\\n\\tSCTP_BASE_INFO(sctbinfo).mtx_grp_attr = lck_grp_attr_alloc_init();\\n\\tlck_grp_attr_setdefault(SCTP_BASE_INFO(sctbinfo).mtx_grp_attr);\\n\\tSCTP_BASE_INFO(sctbinfo).mtx_grp = lck_grp_alloc_init(\\\"sctppcb\\\", SCTP_BASE_INFO(sctbinfo).mtx_grp_attr);\\n\\tSCTP_BASE_INFO(sctbinfo).mtx_attr = lck_attr_alloc_init();\\n\\tlck_attr_setdefault(SCTP_BASE_INFO(sctbinfo).mtx_attr);\\n#else\\n\\tSCTP_BASE_INFO(sctbinfo).ipi_listhead = &SCTP_BASE_INFO(inplisthead);\\n\\tSCTP_BASE_INFO(sctbinfo).ipi_lock_grp_attr = lck_grp_attr_alloc_init();\\n\\tlck_grp_attr_setdefault(SCTP_BASE_INFO(sctbinfo).ipi_lock_grp_attr);\\n\\tSCTP_BASE_INFO(sctbinfo).ipi_lock_grp = lck_grp_alloc_init(\\\"sctppcb\\\", SCTP_BASE_INFO(sctbinfo).ipi_lock_grp_attr);\\n\\tSCTP_BASE_INFO(sctbinfo).ipi_lock_attr = lck_attr_alloc_init();\\n\\tlck_attr_setdefault(SCTP_BASE_INFO(sctbinfo).ipi_lock_attr);\\n#endif\\n#if !defined(APPLE_LEOPARD) && !defined(APPLE_SNOWLEOPARD) && !defined(APPLE_LION) && !defined(APPLE_MOUNTAINLION)\\n\\tSCTP_BASE_INFO(sctbinfo).ipi_gc = sctp_gc;\\n\\tin_pcbinfo_attach(&SCTP_BASE_INFO(sctbinfo));\\n#endif\\n#endif\",\n \"\\n\\t/* init the hash table of endpoints */\\n#if defined(__FreeBSD__)\\n#if defined(__FreeBSD_cc_version) && __FreeBSD_cc_version >= 440000\\n\\tTUNABLE_INT_FETCH(\\\"net.inet.sctp.tcbhashsize\\\", &SCTP_BASE_SYSCTL(sctp_hashtblsize));\\n\\tTUNABLE_INT_FETCH(\\\"net.inet.sctp.pcbhashsize\\\", &SCTP_BASE_SYSCTL(sctp_pcbtblsize));\\n\\tTUNABLE_INT_FETCH(\\\"net.inet.sctp.chunkscale\\\", &SCTP_BASE_SYSCTL(sctp_chunkscale));\\n#else\\n\\tTUNABLE_INT_FETCH(\\\"net.inet.sctp.tcbhashsize\\\", SCTP_TCBHASHSIZE,\\n\\t\\t\\t SCTP_BASE_SYSCTL(sctp_hashtblsize));\\n\\tTUNABLE_INT_FETCH(\\\"net.inet.sctp.pcbhashsize\\\", SCTP_PCBHASHSIZE,\\n\\t\\t\\t SCTP_BASE_SYSCTL(sctp_pcbtblsize));\\n\\tTUNABLE_INT_FETCH(\\\"net.inet.sctp.chunkscale\\\", SCTP_CHUNKQUEUE_SCALE,\\n\\t\\t\\t SCTP_BASE_SYSCTL(sctp_chunkscale));\\n#endif\\n#endif\\n\\tSCTP_BASE_INFO(sctp_asochash) = SCTP_HASH_INIT((SCTP_BASE_SYSCTL(sctp_hashtblsize) * 31),\\n\\t\\t\\t\\t\\t\\t &SCTP_BASE_INFO(hashasocmark));\\n\\tSCTP_BASE_INFO(sctp_ephash) = SCTP_HASH_INIT(SCTP_BASE_SYSCTL(sctp_hashtblsize),\\n\\t\\t\\t\\t\\t\\t &SCTP_BASE_INFO(hashmark));\\n\\tSCTP_BASE_INFO(sctp_tcpephash) = SCTP_HASH_INIT(SCTP_BASE_SYSCTL(sctp_hashtblsize),\\n\\t\\t\\t\\t\\t\\t\\t&SCTP_BASE_INFO(hashtcpmark));\\n\\tSCTP_BASE_INFO(hashtblsize) = SCTP_BASE_SYSCTL(sctp_hashtblsize);\",\n \"\\n\\tSCTP_BASE_INFO(sctp_vrfhash) = SCTP_HASH_INIT(SCTP_SIZE_OF_VRF_HASH,\\n\\t\\t\\t\\t\\t\\t &SCTP_BASE_INFO(hashvrfmark));\",\n \"\\tSCTP_BASE_INFO(vrf_ifn_hash) = SCTP_HASH_INIT(SCTP_VRF_IFN_HASH_SIZE,\\n\\t\\t\\t\\t\\t\\t &SCTP_BASE_INFO(vrf_ifn_hashmark));\\n\\t/* init the zones */\\n\\t/*\\n\\t * FIX ME: Should check for NULL returns, but if it does fail we are\\n\\t * doomed to panic anyways... add later maybe.\\n\\t */\\n\\tSCTP_ZONE_INIT(SCTP_BASE_INFO(ipi_zone_ep), \\\"sctp_ep\\\",\\n\\t\\t sizeof(struct sctp_inpcb), maxsockets);\",\n \"\\tSCTP_ZONE_INIT(SCTP_BASE_INFO(ipi_zone_asoc), \\\"sctp_asoc\\\",\\n\\t\\t sizeof(struct sctp_tcb), sctp_max_number_of_assoc);\",\n \"\\tSCTP_ZONE_INIT(SCTP_BASE_INFO(ipi_zone_laddr), \\\"sctp_laddr\\\",\\n\\t\\t sizeof(struct sctp_laddr),\\n\\t\\t (sctp_max_number_of_assoc * sctp_scale_up_for_address));\",\n \"\\tSCTP_ZONE_INIT(SCTP_BASE_INFO(ipi_zone_net), \\\"sctp_raddr\\\",\\n\\t\\t sizeof(struct sctp_nets),\\n\\t\\t (sctp_max_number_of_assoc * sctp_scale_up_for_address));\",\n \"\\tSCTP_ZONE_INIT(SCTP_BASE_INFO(ipi_zone_chunk), \\\"sctp_chunk\\\",\\n\\t\\t sizeof(struct sctp_tmit_chunk),\\n\\t\\t (sctp_max_number_of_assoc * SCTP_BASE_SYSCTL(sctp_chunkscale)));\",\n \"\\tSCTP_ZONE_INIT(SCTP_BASE_INFO(ipi_zone_readq), \\\"sctp_readq\\\",\\n\\t\\t sizeof(struct sctp_queued_to_read),\\n\\t\\t (sctp_max_number_of_assoc * SCTP_BASE_SYSCTL(sctp_chunkscale)));\",\n \"\\tSCTP_ZONE_INIT(SCTP_BASE_INFO(ipi_zone_strmoq), \\\"sctp_stream_msg_out\\\",\\n\\t\\t sizeof(struct sctp_stream_queue_pending),\\n\\t\\t (sctp_max_number_of_assoc * SCTP_BASE_SYSCTL(sctp_chunkscale)));\",\n \"\\tSCTP_ZONE_INIT(SCTP_BASE_INFO(ipi_zone_asconf), \\\"sctp_asconf\\\",\\n\\t\\t sizeof(struct sctp_asconf),\\n\\t\\t (sctp_max_number_of_assoc * SCTP_BASE_SYSCTL(sctp_chunkscale)));\",\n \"\\tSCTP_ZONE_INIT(SCTP_BASE_INFO(ipi_zone_asconf_ack), \\\"sctp_asconf_ack\\\",\\n\\t\\t sizeof(struct sctp_asconf_ack),\\n\\t\\t (sctp_max_number_of_assoc * SCTP_BASE_SYSCTL(sctp_chunkscale)));\",\n \"\\n\\t/* Master Lock INIT for info structure */\\n\\tSCTP_INP_INFO_LOCK_INIT();\\n\\tSCTP_STATLOG_INIT_LOCK();\",\n \"\\tSCTP_IPI_COUNT_INIT();\\n\\tSCTP_IPI_ADDR_INIT();\\n#ifdef SCTP_PACKET_LOGGING\\n\\tSCTP_IP_PKTLOG_INIT();\\n#endif\\n\\tLIST_INIT(&SCTP_BASE_INFO(addr_wq));\",\n \"\\tSCTP_WQ_ADDR_INIT();\\n\\t/* not sure if we need all the counts */\\n\\tSCTP_BASE_INFO(ipi_count_ep) = 0;\\n\\t/* assoc/tcb zone info */\\n\\tSCTP_BASE_INFO(ipi_count_asoc) = 0;\\n\\t/* local addrlist zone info */\\n\\tSCTP_BASE_INFO(ipi_count_laddr) = 0;\\n\\t/* remote addrlist zone info */\\n\\tSCTP_BASE_INFO(ipi_count_raddr) = 0;\\n\\t/* chunk info */\\n\\tSCTP_BASE_INFO(ipi_count_chunk) = 0;\",\n \"\\t/* socket queue zone info */\\n\\tSCTP_BASE_INFO(ipi_count_readq) = 0;\",\n \"\\t/* stream out queue cont */\\n\\tSCTP_BASE_INFO(ipi_count_strmoq) = 0;\",\n \"\\tSCTP_BASE_INFO(ipi_free_strmoq) = 0;\\n\\tSCTP_BASE_INFO(ipi_free_chunks) = 0;\",\n \"\\tSCTP_OS_TIMER_INIT(&SCTP_BASE_INFO(addr_wq_timer.timer));\",\n \"\\t/* Init the TIMEWAIT list */\\n\\tfor (i = 0; i < SCTP_STACK_VTAG_HASH_SIZE; i++) {\\n\\t\\tLIST_INIT(&SCTP_BASE_INFO(vtag_timewait)[i]);\\n\\t}\\n#if defined(SCTP_PROCESS_LEVEL_LOCKS)\\n#if defined(__Userspace_os_Windows)\\n\\tInitializeConditionVariable(&sctp_it_ctl.iterator_wakeup);\\n#else\\n\\t(void)pthread_cond_init(&sctp_it_ctl.iterator_wakeup, NULL);\\n#endif\\n#endif\\n\\tsctp_startup_iterator();\",\n \"#if defined(__FreeBSD__) && defined(SCTP_MCORE_INPUT) && defined(SMP)\\n\\tsctp_startup_mcore_threads();\\n#endif\",\n \"#ifndef __Panda__\\n\\t/*\\n\\t * INIT the default VRF which for BSD is the only one, other O/S's\\n\\t * may have more. But initially they must start with one and then\\n\\t * add the VRF's as addresses are added.\\n\\t */\\n\\tsctp_init_vrf_list(SCTP_DEFAULT_VRF);\\n#endif\\n#if defined(__FreeBSD__) && __FreeBSD_cc_version >= 1400000\\n\\tif (ip_register_flow_handler(sctp_netisr_hdlr, IPPROTO_SCTP)) {\\n\\t\\tSCTP_PRINTF(\\\"***SCTP- Error can't register netisr handler***\\\\n\\\");\\n\\t}\\n#endif\\n#if defined(_SCTP_NEEDS_CALLOUT_) || defined(_USER_SCTP_NEEDS_CALLOUT_)\\n\\t/* allocate the lock for the callout/timer queue */\\n\\tSCTP_TIMERQ_LOCK_INIT();\\n\\tSCTP_TIMERWAIT_LOCK_INIT();\\n\\tTAILQ_INIT(&SCTP_BASE_INFO(callqueue));\\n#endif\\n#if defined(__Userspace__)\\n\\tmbuf_initialize(NULL);\\n\\tatomic_init();\\n#if defined(INET) || defined(INET6)\\n\\tif (start_threads)\\n\\t\\trecv_thread_init();\\n#endif\\n#endif\\n}\",\n \"/*\\n * Assumes that the SCTP_BASE_INFO() lock is NOT held.\\n */\\nvoid\\nsctp_pcb_finish(void)\\n{\\n\\tstruct sctp_vrflist *vrf_bucket;\\n\\tstruct sctp_vrf *vrf, *nvrf;\\n\\tstruct sctp_ifn *ifn, *nifn;\\n\\tstruct sctp_ifa *ifa, *nifa;\\n\\tstruct sctpvtaghead *chain;\\n\\tstruct sctp_tagblock *twait_block, *prev_twait_block;\\n\\tstruct sctp_laddr *wi, *nwi;\\n\\tint i;\\n\\tstruct sctp_iterator *it, *nit;\",\n \"\\tif (SCTP_BASE_VAR(sctp_pcb_initialized) == 0) {\\n\\t\\tSCTP_PRINTF(\\\"%s: race condition on teardown.\\\\n\\\", __func__);\\n\\t\\treturn;\\n\\t}\\n\\tSCTP_BASE_VAR(sctp_pcb_initialized) = 0;\\n#if !defined(__FreeBSD__)\\n\\t/* Notify the iterator to exit. */\\n\\tSCTP_IPI_ITERATOR_WQ_LOCK();\\n\\tsctp_it_ctl.iterator_flags |= SCTP_ITERATOR_MUST_EXIT;\\n\\tsctp_wakeup_iterator();\\n\\tSCTP_IPI_ITERATOR_WQ_UNLOCK();\\n#endif\\n#if defined(__APPLE__)\\n#if !defined(APPLE_LEOPARD) && !defined(APPLE_SNOWLEOPARD) && !defined(APPLE_LION) && !defined(APPLE_MOUNTAINLION)\\n\\tin_pcbinfo_detach(&SCTP_BASE_INFO(sctbinfo));\\n#endif\\n\\tSCTP_IPI_ITERATOR_WQ_LOCK();\\n\\tdo {\\n\\t\\tmsleep(&sctp_it_ctl.iterator_flags,\\n\\t\\t sctp_it_ctl.ipi_iterator_wq_mtx,\\n\\t\\t 0, \\\"waiting_for_work\\\", 0);\\n\\t} while ((sctp_it_ctl.iterator_flags & SCTP_ITERATOR_EXITED) == 0);\\n\\tthread_deallocate(sctp_it_ctl.thread_proc);\\n\\tSCTP_IPI_ITERATOR_WQ_UNLOCK();\\n#endif\\n#if defined(__Windows__)\\n\\tif (sctp_it_ctl.iterator_thread_obj != NULL) {\\n\\t\\tNTSTATUS status = STATUS_SUCCESS;\",\n \"\\t\\tKeSetEvent(&sctp_it_ctl.iterator_wakeup[1], IO_NO_INCREMENT, FALSE);\\n\\t\\tstatus = KeWaitForSingleObject(sctp_it_ctl.iterator_thread_obj,\\n\\t\\t\\t\\t\\t Executive,\\n\\t\\t\\t\\t\\t KernelMode,\\n\\t\\t\\t\\t\\t FALSE,\\n\\t\\t\\t\\t\\t NULL);\\n\\t\\tObDereferenceObject(sctp_it_ctl.iterator_thread_obj);\\n\\t}\\n#endif\\n#if defined(__Userspace__)\\n\\tif (sctp_it_ctl.thread_proc) {\\n#if defined(__Userspace_os_Windows)\\n\\t\\tWaitForSingleObject(sctp_it_ctl.thread_proc, INFINITE);\\n\\t\\tCloseHandle(sctp_it_ctl.thread_proc);\\n\\t\\tsctp_it_ctl.thread_proc = NULL;\\n#else\\n\\t\\tpthread_join(sctp_it_ctl.thread_proc, NULL);\\n\\t\\tsctp_it_ctl.thread_proc = 0;\\n#endif\\n\\t}\\n#endif\\n#if defined(SCTP_PROCESS_LEVEL_LOCKS)\\n#if defined(__Userspace_os_Windows)\\n\\tDeleteConditionVariable(&sctp_it_ctl.iterator_wakeup);\\n#else\\n\\tpthread_cond_destroy(&sctp_it_ctl.iterator_wakeup);\\n\\tpthread_mutexattr_destroy(&SCTP_BASE_VAR(mtx_attr));\\n#endif\\n#endif\\n\\t/* In FreeBSD the iterator thread never exits\\n\\t * but we do clean up.\\n\\t * The only way FreeBSD reaches here is if we have VRF's\\n\\t * but we still add the ifdef to make it compile on old versions.\\n\\t */\\n#if defined(__FreeBSD__)\\nretry:\\n#endif\\n\\tSCTP_IPI_ITERATOR_WQ_LOCK();\\n#if defined(__FreeBSD__)\\n\\t/*\\n\\t * sctp_iterator_worker() might be working on an it entry without\\n\\t * holding the lock. We won't find it on the list either and\\n\\t * continue and free/destroy it. While holding the lock, spin, to\\n\\t * avoid the race condition as sctp_iterator_worker() will have to\\n\\t * wait to re-aquire the lock.\\n\\t */\\n\\tif (sctp_it_ctl.iterator_running != 0 || sctp_it_ctl.cur_it != NULL) {\\n\\t\\tSCTP_IPI_ITERATOR_WQ_UNLOCK();\\n\\t\\tSCTP_PRINTF(\\\"%s: Iterator running while we held the lock. Retry. \\\"\\n\\t\\t \\\"cur_it=%p\\\\n\\\", __func__, sctp_it_ctl.cur_it);\\n\\t\\tDELAY(10);\\n\\t\\tgoto retry;\\n\\t}\\n#endif\\n\\tTAILQ_FOREACH_SAFE(it, &sctp_it_ctl.iteratorhead, sctp_nxt_itr, nit) {\\n#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\\n\\t\\tif (it->vn != curvnet) {\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n#endif\\n\\t\\tTAILQ_REMOVE(&sctp_it_ctl.iteratorhead, it, sctp_nxt_itr);\\n\\t\\tif (it->function_atend != NULL) {\\n\\t\\t\\t(*it->function_atend) (it->pointer, it->val);\\n\\t\\t}\\n\\t\\tSCTP_FREE(it,SCTP_M_ITER);\\n\\t}\\n\\tSCTP_IPI_ITERATOR_WQ_UNLOCK();\\n#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\\n\\tSCTP_ITERATOR_LOCK();\\n\\tif ((sctp_it_ctl.cur_it) &&\\n\\t (sctp_it_ctl.cur_it->vn == curvnet)) {\\n\\t\\tsctp_it_ctl.iterator_flags |= SCTP_ITERATOR_STOP_CUR_IT;\\n\\t}\\n\\tSCTP_ITERATOR_UNLOCK();\\n#endif\\n#if !defined(__FreeBSD__)\\n\\tSCTP_IPI_ITERATOR_WQ_DESTROY();\\n\\tSCTP_ITERATOR_LOCK_DESTROY();\\n#endif\\n\\tSCTP_OS_TIMER_STOP_DRAIN(&SCTP_BASE_INFO(addr_wq_timer.timer));\\n\\tSCTP_WQ_ADDR_LOCK();\\n\\tLIST_FOREACH_SAFE(wi, &SCTP_BASE_INFO(addr_wq), sctp_nxt_addr, nwi) {\\n\\t\\tLIST_REMOVE(wi, sctp_nxt_addr);\\n\\t\\tSCTP_DECR_LADDR_COUNT();\\n\\t\\tif (wi->action == SCTP_DEL_IP_ADDRESS) {\\n\\t\\t\\tSCTP_FREE(wi->ifa, SCTP_M_IFA);\\n\\t\\t}\\n\\t\\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_laddr), wi);\\n\\t}\\n\\tSCTP_WQ_ADDR_UNLOCK();\",\n \"\\t/*\\n\\t * free the vrf/ifn/ifa lists and hashes (be sure address monitor\\n\\t * is destroyed first).\\n\\t */\\n\\tvrf_bucket = &SCTP_BASE_INFO(sctp_vrfhash)[(SCTP_DEFAULT_VRFID & SCTP_BASE_INFO(hashvrfmark))];\\n\\tLIST_FOREACH_SAFE(vrf, vrf_bucket, next_vrf, nvrf) {\\n\\t\\tLIST_FOREACH_SAFE(ifn, &vrf->ifnlist, next_ifn, nifn) {\\n\\t\\t\\tLIST_FOREACH_SAFE(ifa, &ifn->ifalist, next_ifa, nifa) {\\n\\t\\t\\t\\t/* free the ifa */\\n\\t\\t\\t\\tLIST_REMOVE(ifa, next_bucket);\\n\\t\\t\\t\\tLIST_REMOVE(ifa, next_ifa);\\n\\t\\t\\t\\tSCTP_FREE(ifa, SCTP_M_IFA);\\n\\t\\t\\t}\\n\\t\\t\\t/* free the ifn */\\n\\t\\t\\tLIST_REMOVE(ifn, next_bucket);\\n\\t\\t\\tLIST_REMOVE(ifn, next_ifn);\\n\\t\\t\\tSCTP_FREE(ifn, SCTP_M_IFN);\\n\\t\\t}\\n\\t\\tSCTP_HASH_FREE(vrf->vrf_addr_hash, vrf->vrf_addr_hashmark);\\n\\t\\t/* free the vrf */\\n\\t\\tLIST_REMOVE(vrf, next_vrf);\\n\\t\\tSCTP_FREE(vrf, SCTP_M_VRF);\\n\\t}\\n\\t/* free the vrf hashes */\\n\\tSCTP_HASH_FREE(SCTP_BASE_INFO(sctp_vrfhash), SCTP_BASE_INFO(hashvrfmark));\\n\\tSCTP_HASH_FREE(SCTP_BASE_INFO(vrf_ifn_hash), SCTP_BASE_INFO(vrf_ifn_hashmark));\",\n \"\\t/* free the TIMEWAIT list elements malloc'd in the function\\n\\t * sctp_add_vtag_to_timewait()...\\n\\t */\\n\\tfor (i = 0; i < SCTP_STACK_VTAG_HASH_SIZE; i++) {\\n\\t\\tchain = &SCTP_BASE_INFO(vtag_timewait)[i];\\n\\t\\tif (!LIST_EMPTY(chain)) {\\n\\t\\t\\tprev_twait_block = NULL;\\n\\t\\t\\tLIST_FOREACH(twait_block, chain, sctp_nxt_tagblock) {\\n\\t\\t\\t\\tif (prev_twait_block) {\\n\\t\\t\\t\\t\\tSCTP_FREE(prev_twait_block, SCTP_M_TIMW);\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tprev_twait_block = twait_block;\\n\\t\\t\\t}\\n\\t\\t\\tSCTP_FREE(prev_twait_block, SCTP_M_TIMW);\\n\\t\\t}\\n\\t}\",\n \"\\t/* free the locks and mutexes */\\n#if defined(__APPLE__)\\n\\tSCTP_TIMERQ_LOCK_DESTROY();\\n\\tSCTP_TIMERWAIT_LOCK_DESTROY();\\n#endif\\n#ifdef SCTP_PACKET_LOGGING\\n\\tSCTP_IP_PKTLOG_DESTROY();\\n#endif\\n\\tSCTP_IPI_ADDR_DESTROY();\\n#if defined(__APPLE__)\\n\\tSCTP_IPI_COUNT_DESTROY();\\n#endif\\n\\tSCTP_STATLOG_DESTROY();\\n\\tSCTP_INP_INFO_LOCK_DESTROY();\",\n \"\\tSCTP_WQ_ADDR_DESTROY();\",\n \"#if defined(__APPLE__)\\n#if defined(APPLE_LEOPARD) || defined(APPLE_SNOWLEOPARD) || defined(APPLE_LION) || defined(APPLE_MOUNTAINLION)\\n\\tlck_grp_attr_free(SCTP_BASE_INFO(sctbinfo).mtx_grp_attr);\\n\\tlck_grp_free(SCTP_BASE_INFO(sctbinfo).mtx_grp);\\n\\tlck_attr_free(SCTP_BASE_INFO(sctbinfo).mtx_attr);\\n#else\\n\\tlck_grp_attr_free(SCTP_BASE_INFO(sctbinfo).ipi_lock_grp_attr);\\n\\tlck_grp_free(SCTP_BASE_INFO(sctbinfo).ipi_lock_grp);\\n\\tlck_attr_free(SCTP_BASE_INFO(sctbinfo).ipi_lock_attr);\\n#endif\\n#endif\\n#if defined(__Userspace__)\\n\\tSCTP_TIMERQ_LOCK_DESTROY();\\n\\tSCTP_TIMERWAIT_LOCK_DESTROY();\\n\\tSCTP_ZONE_DESTROY(zone_mbuf);\\n\\tSCTP_ZONE_DESTROY(zone_clust);\\n\\tSCTP_ZONE_DESTROY(zone_ext_refcnt);\\n#endif\\n\\t/* Get rid of other stuff too. */\\n\\tif (SCTP_BASE_INFO(sctp_asochash) != NULL)\\n\\t\\tSCTP_HASH_FREE(SCTP_BASE_INFO(sctp_asochash), SCTP_BASE_INFO(hashasocmark));\\n\\tif (SCTP_BASE_INFO(sctp_ephash) != NULL)\\n\\t\\tSCTP_HASH_FREE(SCTP_BASE_INFO(sctp_ephash), SCTP_BASE_INFO(hashmark));\\n\\tif (SCTP_BASE_INFO(sctp_tcpephash) != NULL)\\n\\t\\tSCTP_HASH_FREE(SCTP_BASE_INFO(sctp_tcpephash), SCTP_BASE_INFO(hashtcpmark));\",\n \"#if defined(__Windows__) || defined(__FreeBSD__) || defined(__Userspace__)\\n\\tSCTP_ZONE_DESTROY(SCTP_BASE_INFO(ipi_zone_ep));\\n\\tSCTP_ZONE_DESTROY(SCTP_BASE_INFO(ipi_zone_asoc));\\n\\tSCTP_ZONE_DESTROY(SCTP_BASE_INFO(ipi_zone_laddr));\\n\\tSCTP_ZONE_DESTROY(SCTP_BASE_INFO(ipi_zone_net));\\n\\tSCTP_ZONE_DESTROY(SCTP_BASE_INFO(ipi_zone_chunk));\\n\\tSCTP_ZONE_DESTROY(SCTP_BASE_INFO(ipi_zone_readq));\\n\\tSCTP_ZONE_DESTROY(SCTP_BASE_INFO(ipi_zone_strmoq));\\n\\tSCTP_ZONE_DESTROY(SCTP_BASE_INFO(ipi_zone_asconf));\\n\\tSCTP_ZONE_DESTROY(SCTP_BASE_INFO(ipi_zone_asconf_ack));\\n#endif\\n#if defined(__FreeBSD__) && defined(SMP) && defined(SCTP_USE_PERCPU_STAT)\\n\\tSCTP_FREE(SCTP_BASE_STATS, SCTP_M_MCORE);\\n#endif\\n}\",\n \"\\nint\\nsctp_load_addresses_from_init(struct sctp_tcb *stcb, struct mbuf *m,\\n int offset, int limit,\\n struct sockaddr *src, struct sockaddr *dst,\\n struct sockaddr *altsa, uint16_t port)\\n{\\n\\t/*\\n\\t * grub through the INIT pulling addresses and loading them to the\\n\\t * nets structure in the asoc. The from address in the mbuf should\\n\\t * also be loaded (if it is not already). This routine can be called\\n\\t * with either INIT or INIT-ACK's as long as the m points to the IP\\n\\t * packet and the offset points to the beginning of the parameters.\\n\\t */\\n\\tstruct sctp_inpcb *inp;\\n\\tstruct sctp_nets *net, *nnet, *net_tmp;\\n\\tstruct sctp_paramhdr *phdr, param_buf;\\n\\tstruct sctp_tcb *stcb_tmp;\\n\\tuint16_t ptype, plen;\\n\\tstruct sockaddr *sa;\\n\\tuint8_t random_store[SCTP_PARAM_BUFFER_SIZE];\\n\\tstruct sctp_auth_random *p_random = NULL;\\n\\tuint16_t random_len = 0;\\n\\tuint8_t hmacs_store[SCTP_PARAM_BUFFER_SIZE];\\n\\tstruct sctp_auth_hmac_algo *hmacs = NULL;\\n\\tuint16_t hmacs_len = 0;\\n\\tuint8_t saw_asconf = 0;\\n\\tuint8_t saw_asconf_ack = 0;\\n\\tuint8_t chunks_store[SCTP_PARAM_BUFFER_SIZE];\\n\\tstruct sctp_auth_chunk_list *chunks = NULL;\\n\\tuint16_t num_chunks = 0;\\n\\tsctp_key_t *new_key;\\n\\tuint32_t keylen;\\n\\tint got_random = 0, got_hmacs = 0, got_chklist = 0;\\n\\tuint8_t peer_supports_ecn;\\n\\tuint8_t peer_supports_prsctp;\\n\\tuint8_t peer_supports_auth;\\n\\tuint8_t peer_supports_asconf;\\n\\tuint8_t peer_supports_asconf_ack;\\n\\tuint8_t peer_supports_reconfig;\\n\\tuint8_t peer_supports_nrsack;\\n\\tuint8_t peer_supports_pktdrop;\\n\\tuint8_t peer_supports_idata;\\n#ifdef INET\\n\\tstruct sockaddr_in sin;\\n#endif\\n#ifdef INET6\\n\\tstruct sockaddr_in6 sin6;\\n#endif\",\n \"\\t/* First get the destination address setup too. */\\n#ifdef INET\\n\\tmemset(&sin, 0, sizeof(sin));\\n\\tsin.sin_family = AF_INET;\\n#ifdef HAVE_SIN_LEN\\n\\tsin.sin_len = sizeof(sin);\\n#endif\\n\\tsin.sin_port = stcb->rport;\\n#endif\\n#ifdef INET6\\n\\tmemset(&sin6, 0, sizeof(sin6));\\n\\tsin6.sin6_family = AF_INET6;\\n#ifdef HAVE_SIN6_LEN\\n\\tsin6.sin6_len = sizeof(struct sockaddr_in6);\\n#endif\\n\\tsin6.sin6_port = stcb->rport;\\n#endif\\n\\tif (altsa) {\\n\\t\\tsa = altsa;\\n\\t} else {\\n\\t\\tsa = src;\\n\\t}\\n\\tpeer_supports_idata = 0;\\n\\tpeer_supports_ecn = 0;\\n\\tpeer_supports_prsctp = 0;\\n\\tpeer_supports_auth = 0;\\n\\tpeer_supports_asconf = 0;\\n\\tpeer_supports_reconfig = 0;\\n\\tpeer_supports_nrsack = 0;\\n\\tpeer_supports_pktdrop = 0;\\n\\tTAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {\\n\\t\\t/* mark all addresses that we have currently on the list */\\n\\t\\tnet->dest_state |= SCTP_ADDR_NOT_IN_ASSOC;\\n\\t}\\n\\t/* does the source address already exist? if so skip it */\\n\\tinp = stcb->sctp_ep;\\n\\tatomic_add_int(&stcb->asoc.refcnt, 1);\\n\\tstcb_tmp = sctp_findassociation_ep_addr(&inp, sa, &net_tmp, dst, stcb);\\n\\tatomic_add_int(&stcb->asoc.refcnt, -1);\",\n \"\\tif ((stcb_tmp == NULL && inp == stcb->sctp_ep) || inp == NULL) {\\n\\t\\t/* we must add the source address */\\n\\t\\t/* no scope set here since we have a tcb already. */\\n\\t\\tswitch (sa->sa_family) {\\n#ifdef INET\\n\\t\\tcase AF_INET:\\n\\t\\t\\tif (stcb->asoc.scope.ipv4_addr_legal) {\\n\\t\\t\\t\\tif (sctp_add_remote_addr(stcb, sa, NULL, port, SCTP_DONOT_SETSCOPE, SCTP_LOAD_ADDR_2)) {\\n\\t\\t\\t\\t\\treturn (-1);\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t\\tbreak;\\n#endif\\n#ifdef INET6\\n\\t\\tcase AF_INET6:\\n\\t\\t\\tif (stcb->asoc.scope.ipv6_addr_legal) {\\n\\t\\t\\t\\tif (sctp_add_remote_addr(stcb, sa, NULL, port, SCTP_DONOT_SETSCOPE, SCTP_LOAD_ADDR_3)) {\\n\\t\\t\\t\\t\\treturn (-2);\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t\\tbreak;\\n#endif\\n#if defined(__Userspace__)\\n\\t\\tcase AF_CONN:\\n\\t\\t\\tif (stcb->asoc.scope.conn_addr_legal) {\\n\\t\\t\\t\\tif (sctp_add_remote_addr(stcb, sa, NULL, port, SCTP_DONOT_SETSCOPE, SCTP_LOAD_ADDR_3)) {\\n\\t\\t\\t\\t\\treturn (-2);\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t\\tbreak;\\n#endif\\n\\t\\tdefault:\\n\\t\\t\\tbreak;\\n\\t\\t}\\n\\t} else {\\n\\t\\tif (net_tmp != NULL && stcb_tmp == stcb) {\\n\\t\\t\\tnet_tmp->dest_state &= ~SCTP_ADDR_NOT_IN_ASSOC;\\n\\t\\t} else if (stcb_tmp != stcb) {\\n\\t\\t\\t/* It belongs to another association? */\\n\\t\\t\\tif (stcb_tmp)\\n\\t\\t\\t\\tSCTP_TCB_UNLOCK(stcb_tmp);\\n\\t\\t\\treturn (-3);\\n\\t\\t}\\n\\t}\\n\\tif (stcb->asoc.state == 0) {\\n\\t\\t/* the assoc was freed? */\\n\\t\\treturn (-4);\\n\\t}\\n\\t/* now we must go through each of the params. */\\n\\tphdr = sctp_get_next_param(m, offset, ¶m_buf, sizeof(param_buf));\\n\\twhile (phdr) {\\n\\t\\tptype = ntohs(phdr->param_type);\\n\\t\\tplen = ntohs(phdr->param_length);\\n\\t\\t/*\\n\\t\\t * SCTP_PRINTF(\\\"ptype => %0x, plen => %d\\\\n\\\", (uint32_t)ptype,\\n\\t\\t * (int)plen);\\n\\t\\t */\\n\\t\\tif (offset + plen > limit) {\\n\\t\\t\\tbreak;\\n\\t\\t}\",\n \"\\t\\tif (plen == 0) {\",\n \"\\t\\t\\tbreak;\\n\\t\\t}\\n#ifdef INET\\n\\t\\tif (ptype == SCTP_IPV4_ADDRESS) {\\n\\t\\t\\tif (stcb->asoc.scope.ipv4_addr_legal) {\\n\\t\\t\\t\\tstruct sctp_ipv4addr_param *p4, p4_buf;\",\n \"\\t\\t\\t\\t/* ok get the v4 address and check/add */\\n\\t\\t\\t\\tphdr = sctp_get_next_param(m, offset,\\n\\t\\t\\t\\t\\t\\t\\t (struct sctp_paramhdr *)&p4_buf,\\n\\t\\t\\t\\t\\t\\t\\t sizeof(p4_buf));\\n\\t\\t\\t\\tif (plen != sizeof(struct sctp_ipv4addr_param) ||\\n\\t\\t\\t\\t phdr == NULL) {\\n\\t\\t\\t\\t\\treturn (-5);\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tp4 = (struct sctp_ipv4addr_param *)phdr;\\n\\t\\t\\t\\tsin.sin_addr.s_addr = p4->addr;\\n\\t\\t\\t\\tif (IN_MULTICAST(ntohl(sin.sin_addr.s_addr))) {\\n\\t\\t\\t\\t\\t/* Skip multi-cast addresses */\\n\\t\\t\\t\\t\\tgoto next_param;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tif ((sin.sin_addr.s_addr == INADDR_BROADCAST) ||\\n\\t\\t\\t\\t (sin.sin_addr.s_addr == INADDR_ANY)) {\\n\\t\\t\\t\\t\\tgoto next_param;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tsa = (struct sockaddr *)&sin;\\n\\t\\t\\t\\tinp = stcb->sctp_ep;\\n\\t\\t\\t\\tatomic_add_int(&stcb->asoc.refcnt, 1);\\n\\t\\t\\t\\tstcb_tmp = sctp_findassociation_ep_addr(&inp, sa, &net,\\n\\t\\t\\t\\t\\t\\t\\t\\t\\tdst, stcb);\\n\\t\\t\\t\\tatomic_add_int(&stcb->asoc.refcnt, -1);\",\n \"\\t\\t\\t\\tif ((stcb_tmp == NULL && inp == stcb->sctp_ep) ||\\n\\t\\t\\t\\t inp == NULL) {\\n\\t\\t\\t\\t\\t/* we must add the source address */\\n\\t\\t\\t\\t\\t/*\\n\\t\\t\\t\\t\\t * no scope set since we have a tcb\\n\\t\\t\\t\\t\\t * already\\n\\t\\t\\t\\t\\t */\",\n \"\\t\\t\\t\\t\\t/*\\n\\t\\t\\t\\t\\t * we must validate the state again\\n\\t\\t\\t\\t\\t * here\\n\\t\\t\\t\\t\\t */\\n\\t\\t\\t\\tadd_it_now:\\n\\t\\t\\t\\t\\tif (stcb->asoc.state == 0) {\\n\\t\\t\\t\\t\\t\\t/* the assoc was freed? */\\n\\t\\t\\t\\t\\t\\treturn (-7);\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tif (sctp_add_remote_addr(stcb, sa, NULL, port, SCTP_DONOT_SETSCOPE, SCTP_LOAD_ADDR_4)) {\\n\\t\\t\\t\\t\\t\\treturn (-8);\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t} else if (stcb_tmp == stcb) {\\n\\t\\t\\t\\t\\tif (stcb->asoc.state == 0) {\\n\\t\\t\\t\\t\\t\\t/* the assoc was freed? */\\n\\t\\t\\t\\t\\t\\treturn (-10);\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tif (net != NULL) {\\n\\t\\t\\t\\t\\t\\t/* clear flag */\\n\\t\\t\\t\\t\\t\\tnet->dest_state &=\\n\\t\\t\\t\\t\\t\\t\\t~SCTP_ADDR_NOT_IN_ASSOC;\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t} else {\\n\\t\\t\\t\\t\\t/*\\n\\t\\t\\t\\t\\t * strange, address is in another\\n\\t\\t\\t\\t\\t * assoc? straighten out locks.\\n\\t\\t\\t\\t\\t */\\n\\t\\t\\t\\t\\tif (stcb_tmp) {\\n\\t\\t\\t\\t\\t\\tif (SCTP_GET_STATE(stcb_tmp) == SCTP_STATE_COOKIE_WAIT) {\\n\\t\\t\\t\\t\\t\\t\\tstruct mbuf *op_err;\\n\\t\\t\\t\\t\\t\\t\\tchar msg[SCTP_DIAG_INFO_LEN];\",\n \"\\t\\t\\t\\t\\t\\t\\t/* in setup state we abort this guy */\\n\\t\\t\\t\\t\\t\\t\\tsnprintf(msg, sizeof(msg),\\n\\t\\t\\t\\t\\t\\t\\t \\\"%s:%d at %s\\\", __FILE__, __LINE__, __func__);\\n\\t\\t\\t\\t\\t\\t\\top_err = sctp_generate_cause(SCTP_BASE_SYSCTL(sctp_diag_info_code),\\n\\t\\t\\t\\t\\t\\t\\t msg);\\n\\t\\t\\t\\t\\t\\t\\tsctp_abort_an_association(stcb_tmp->sctp_ep,\\n\\t\\t\\t\\t\\t\\t\\t\\t\\t\\t stcb_tmp, op_err,\\n\\t\\t\\t\\t\\t\\t\\t SCTP_SO_NOT_LOCKED);\\n\\t\\t\\t\\t\\t\\t\\tgoto add_it_now;\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t\\tSCTP_TCB_UNLOCK(stcb_tmp);\\n\\t\\t\\t\\t\\t}\",\n \"\\t\\t\\t\\t\\tif (stcb->asoc.state == 0) {\\n\\t\\t\\t\\t\\t\\t/* the assoc was freed? */\\n\\t\\t\\t\\t\\t\\treturn (-12);\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\treturn (-13);\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t} else\\n#endif\\n#ifdef INET6\\n\\t\\tif (ptype == SCTP_IPV6_ADDRESS) {\\n\\t\\t\\tif (stcb->asoc.scope.ipv6_addr_legal) {\\n\\t\\t\\t\\t/* ok get the v6 address and check/add */\\n\\t\\t\\t\\tstruct sctp_ipv6addr_param *p6, p6_buf;\",\n \"\\t\\t\\t\\tphdr = sctp_get_next_param(m, offset,\\n\\t\\t\\t\\t\\t\\t\\t (struct sctp_paramhdr *)&p6_buf,\\n\\t\\t\\t\\t\\t\\t\\t sizeof(p6_buf));\\n\\t\\t\\t\\tif (plen != sizeof(struct sctp_ipv6addr_param) ||\\n\\t\\t\\t\\t phdr == NULL) {\\n\\t\\t\\t\\t\\treturn (-14);\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tp6 = (struct sctp_ipv6addr_param *)phdr;\\n\\t\\t\\t\\tmemcpy((caddr_t)&sin6.sin6_addr, p6->addr,\\n\\t\\t\\t\\t sizeof(p6->addr));\\n\\t\\t\\t\\tif (IN6_IS_ADDR_MULTICAST(&sin6.sin6_addr)) {\\n\\t\\t\\t\\t\\t/* Skip multi-cast addresses */\\n\\t\\t\\t\\t\\tgoto next_param;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tif (IN6_IS_ADDR_LINKLOCAL(&sin6.sin6_addr)) {\\n\\t\\t\\t\\t\\t/* Link local make no sense without scope */\\n\\t\\t\\t\\t\\tgoto next_param;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tsa = (struct sockaddr *)&sin6;\\n\\t\\t\\t\\tinp = stcb->sctp_ep;\\n\\t\\t\\t\\tatomic_add_int(&stcb->asoc.refcnt, 1);\\n\\t\\t\\t\\tstcb_tmp = sctp_findassociation_ep_addr(&inp, sa, &net,\\n\\t\\t\\t\\t\\t\\t\\t\\t\\tdst, stcb);\\n\\t\\t\\t\\tatomic_add_int(&stcb->asoc.refcnt, -1);\\n\\t\\t\\t\\tif (stcb_tmp == NULL &&\\n\\t\\t\\t\\t (inp == stcb->sctp_ep || inp == NULL)) {\\n\\t\\t\\t\\t\\t/*\\n\\t\\t\\t\\t\\t * we must validate the state again\\n\\t\\t\\t\\t\\t * here\\n\\t\\t\\t\\t\\t */\\n\\t\\t\\t\\tadd_it_now6:\\n\\t\\t\\t\\t\\tif (stcb->asoc.state == 0) {\\n\\t\\t\\t\\t\\t\\t/* the assoc was freed? */\\n\\t\\t\\t\\t\\t\\treturn (-16);\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t/*\\n\\t\\t\\t\\t\\t * we must add the address, no scope\\n\\t\\t\\t\\t\\t * set\\n\\t\\t\\t\\t\\t */\\n\\t\\t\\t\\t\\tif (sctp_add_remote_addr(stcb, sa, NULL, port, SCTP_DONOT_SETSCOPE, SCTP_LOAD_ADDR_5)) {\\n\\t\\t\\t\\t\\t\\treturn (-17);\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t} else if (stcb_tmp == stcb) {\\n\\t\\t\\t\\t\\t/*\\n\\t\\t\\t\\t\\t * we must validate the state again\\n\\t\\t\\t\\t\\t * here\\n\\t\\t\\t\\t\\t */\\n\\t\\t\\t\\t\\tif (stcb->asoc.state == 0) {\\n\\t\\t\\t\\t\\t\\t/* the assoc was freed? */\\n\\t\\t\\t\\t\\t\\treturn (-19);\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tif (net != NULL) {\\n\\t\\t\\t\\t\\t\\t/* clear flag */\\n\\t\\t\\t\\t\\t\\tnet->dest_state &=\\n\\t\\t\\t\\t\\t\\t\\t~SCTP_ADDR_NOT_IN_ASSOC;\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t} else {\\n\\t\\t\\t\\t\\t/*\\n\\t\\t\\t\\t\\t * strange, address is in another\\n\\t\\t\\t\\t\\t * assoc? straighten out locks.\\n\\t\\t\\t\\t\\t */\\n\\t\\t\\t\\t\\tif (stcb_tmp) {\\n\\t\\t\\t\\t\\t\\tif (SCTP_GET_STATE(stcb_tmp) == SCTP_STATE_COOKIE_WAIT) {\\n\\t\\t\\t\\t\\t\\t\\tstruct mbuf *op_err;\\n\\t\\t\\t\\t\\t\\t\\tchar msg[SCTP_DIAG_INFO_LEN];\",\n \"\\t\\t\\t\\t\\t\\t\\t/* in setup state we abort this guy */\\n\\t\\t\\t\\t\\t\\t\\tsnprintf(msg, sizeof(msg),\\n\\t\\t\\t\\t\\t\\t\\t \\\"%s:%d at %s\\\", __FILE__, __LINE__, __func__);\\n\\t\\t\\t\\t\\t\\t\\top_err = sctp_generate_cause(SCTP_BASE_SYSCTL(sctp_diag_info_code),\\n\\t\\t\\t\\t\\t\\t\\t msg);\\n\\t\\t\\t\\t\\t\\t\\tsctp_abort_an_association(stcb_tmp->sctp_ep,\\n\\t\\t\\t\\t\\t\\t\\t\\t\\t\\t stcb_tmp, op_err,\\n\\t\\t\\t\\t\\t\\t\\t SCTP_SO_NOT_LOCKED);\\n\\t\\t\\t\\t\\t\\t\\tgoto add_it_now6;\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t\\tSCTP_TCB_UNLOCK(stcb_tmp);\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tif (stcb->asoc.state == 0) {\\n\\t\\t\\t\\t\\t\\t/* the assoc was freed? */\\n\\t\\t\\t\\t\\t\\treturn (-21);\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\treturn (-22);\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t} else\\n#endif\\n\\t\\tif (ptype == SCTP_ECN_CAPABLE) {\\n\\t\\t\\tpeer_supports_ecn = 1;\\n\\t\\t} else if (ptype == SCTP_ULP_ADAPTATION) {\\n\\t\\t\\tif (stcb->asoc.state != SCTP_STATE_OPEN) {\\n\\t\\t\\t\\tstruct sctp_adaptation_layer_indication ai, *aip;\",\n \"\\t\\t\\t\\tphdr = sctp_get_next_param(m, offset,\\n\\t\\t\\t\\t\\t\\t\\t (struct sctp_paramhdr *)&ai, sizeof(ai));\\n\\t\\t\\t\\taip = (struct sctp_adaptation_layer_indication *)phdr;\\n\\t\\t\\t\\tif (aip) {\\n\\t\\t\\t\\t\\tstcb->asoc.peers_adaptation = ntohl(aip->indication);\\n\\t\\t\\t\\t\\tstcb->asoc.adaptation_needed = 1;\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t} else if (ptype == SCTP_SET_PRIM_ADDR) {\\n\\t\\t\\tstruct sctp_asconf_addr_param lstore, *fee;\\n\\t\\t\\tint lptype;\\n\\t\\t\\tstruct sockaddr *lsa = NULL;\\n#ifdef INET\\n\\t\\t\\tstruct sctp_asconf_addrv4_param *fii;\\n#endif\",\n \"\\t\\t\\tif (stcb->asoc.asconf_supported == 0) {\\n\\t\\t\\t\\treturn (-100);\\n\\t\\t\\t}\\n\\t\\t\\tif (plen > sizeof(lstore)) {\\n\\t\\t\\t\\treturn (-23);\\n\\t\\t\\t}\",\n \"\",\n \"\\t\\t\\tphdr = sctp_get_next_param(m, offset,\\n\\t\\t\\t\\t\\t\\t (struct sctp_paramhdr *)&lstore,\\n\\t\\t\\t\\t\\t\\t plen);\\n\\t\\t\\tif (phdr == NULL) {\\n\\t\\t\\t\\treturn (-24);\\n\\t\\t\\t}\\n\\t\\t\\tfee = (struct sctp_asconf_addr_param *)phdr;\\n\\t\\t\\tlptype = ntohs(fee->addrp.ph.param_type);\\n\\t\\t\\tswitch (lptype) {\\n#ifdef INET\\n\\t\\t\\tcase SCTP_IPV4_ADDRESS:\\n\\t\\t\\t\\tif (plen !=\\n\\t\\t\\t\\t sizeof(struct sctp_asconf_addrv4_param)) {\\n\\t\\t\\t\\t\\tSCTP_PRINTF(\\\"Sizeof setprim in init/init ack not %d but %d - ignored\\\\n\\\",\\n\\t\\t\\t\\t\\t\\t (int)sizeof(struct sctp_asconf_addrv4_param),\\n\\t\\t\\t\\t\\t\\t plen);\\n\\t\\t\\t\\t} else {\\n\\t\\t\\t\\t\\tfii = (struct sctp_asconf_addrv4_param *)fee;\\n\\t\\t\\t\\t\\tsin.sin_addr.s_addr = fii->addrp.addr;\\n\\t\\t\\t\\t\\tlsa = (struct sockaddr *)&sin;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tbreak;\\n#endif\\n#ifdef INET6\\n\\t\\t\\tcase SCTP_IPV6_ADDRESS:\\n\\t\\t\\t\\tif (plen !=\\n\\t\\t\\t\\t sizeof(struct sctp_asconf_addr_param)) {\\n\\t\\t\\t\\t\\tSCTP_PRINTF(\\\"Sizeof setprim (v6) in init/init ack not %d but %d - ignored\\\\n\\\",\\n\\t\\t\\t\\t\\t\\t (int)sizeof(struct sctp_asconf_addr_param),\\n\\t\\t\\t\\t\\t\\t plen);\\n\\t\\t\\t\\t} else {\\n\\t\\t\\t\\t\\tmemcpy(sin6.sin6_addr.s6_addr,\\n\\t\\t\\t\\t\\t fee->addrp.addr,\\n\\t\\t\\t\\t\\t sizeof(fee->addrp.addr));\\n\\t\\t\\t\\t\\tlsa = (struct sockaddr *)&sin6;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tbreak;\\n#endif\\n\\t\\t\\tdefault:\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n\\t\\t\\tif (lsa) {\\n\\t\\t\\t\\t(void)sctp_set_primary_addr(stcb, sa, NULL);\\n\\t\\t\\t}\\n\\t\\t} else if (ptype == SCTP_HAS_NAT_SUPPORT) {\\n\\t\\t\\tstcb->asoc.peer_supports_nat = 1;\\n\\t\\t} else if (ptype == SCTP_PRSCTP_SUPPORTED) {\\n\\t\\t\\t/* Peer supports pr-sctp */\\n\\t\\t\\tpeer_supports_prsctp = 1;\\n\\t\\t} else if (ptype == SCTP_SUPPORTED_CHUNK_EXT) {\\n\\t\\t\\t/* A supported extension chunk */\\n\\t\\t\\tstruct sctp_supported_chunk_types_param *pr_supported;\\n\\t\\t\\tuint8_t local_store[SCTP_PARAM_BUFFER_SIZE];\\n\\t\\t\\tint num_ent, i;\",\n \"\\t\\t\\tif (plen > sizeof(local_store)) {\\n\\t\\t\\t\\treturn (-35);\\n\\t\\t\\t}\\n\\t\\t\\tphdr = sctp_get_next_param(m, offset,\\n\\t\\t\\t\\t\\t\\t (struct sctp_paramhdr *)&local_store, plen);\\n\\t\\t\\tif (phdr == NULL) {\\n\\t\\t\\t\\treturn (-25);\\n\\t\\t\\t}\\n\\t\\t\\tpr_supported = (struct sctp_supported_chunk_types_param *)phdr;\\n\\t\\t\\tnum_ent = plen - sizeof(struct sctp_paramhdr);\\n\\t\\t\\tfor (i = 0; i < num_ent; i++) {\\n\\t\\t\\t\\tswitch (pr_supported->chunk_types[i]) {\\n\\t\\t\\t\\tcase SCTP_ASCONF:\\n\\t\\t\\t\\t\\tpeer_supports_asconf = 1;\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\tcase SCTP_ASCONF_ACK:\\n\\t\\t\\t\\t\\tpeer_supports_asconf_ack = 1;\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\tcase SCTP_FORWARD_CUM_TSN:\\n\\t\\t\\t\\t\\tpeer_supports_prsctp = 1;\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\tcase SCTP_PACKET_DROPPED:\\n\\t\\t\\t\\t\\tpeer_supports_pktdrop = 1;\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\tcase SCTP_NR_SELECTIVE_ACK:\\n\\t\\t\\t\\t\\tpeer_supports_nrsack = 1;\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\tcase SCTP_STREAM_RESET:\\n\\t\\t\\t\\t\\tpeer_supports_reconfig = 1;\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\tcase SCTP_AUTHENTICATION:\\n\\t\\t\\t\\t\\tpeer_supports_auth = 1;\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\tcase SCTP_IDATA:\\n\\t\\t\\t\\t\\tpeer_supports_idata = 1;\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\tdefault:\\n\\t\\t\\t\\t\\t/* one I have not learned yet */\\n\\t\\t\\t\\t\\tbreak;\",\n \"\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t} else if (ptype == SCTP_RANDOM) {\\n\\t\\t\\tif (plen > sizeof(random_store))\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\tif (got_random) {\\n\\t\\t\\t\\t/* already processed a RANDOM */\\n\\t\\t\\t\\tgoto next_param;\\n\\t\\t\\t}\\n\\t\\t\\tphdr = sctp_get_next_param(m, offset,\\n\\t\\t\\t\\t\\t\\t (struct sctp_paramhdr *)random_store,\\n\\t\\t\\t\\t\\t\\t plen);\\n\\t\\t\\tif (phdr == NULL)\\n\\t\\t\\t\\treturn (-26);\\n\\t\\t\\tp_random = (struct sctp_auth_random *)phdr;\\n\\t\\t\\trandom_len = plen - sizeof(*p_random);\\n\\t\\t\\t/* enforce the random length */\\n\\t\\t\\tif (random_len != SCTP_AUTH_RANDOM_SIZE_REQUIRED) {\\n\\t\\t\\t\\tSCTPDBG(SCTP_DEBUG_AUTH1, \\\"SCTP: invalid RANDOM len\\\\n\\\");\\n\\t\\t\\t\\treturn (-27);\\n\\t\\t\\t}\\n\\t\\t\\tgot_random = 1;\\n\\t\\t} else if (ptype == SCTP_HMAC_LIST) {\\n\\t\\t\\tuint16_t num_hmacs;\\n\\t\\t\\tuint16_t i;\",\n \"\\t\\t\\tif (plen > sizeof(hmacs_store))\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\tif (got_hmacs) {\\n\\t\\t\\t\\t/* already processed a HMAC list */\\n\\t\\t\\t\\tgoto next_param;\\n\\t\\t\\t}\\n\\t\\t\\tphdr = sctp_get_next_param(m, offset,\\n\\t\\t\\t\\t\\t\\t (struct sctp_paramhdr *)hmacs_store,\\n\\t\\t\\t\\t\\t\\t plen);\\n\\t\\t\\tif (phdr == NULL)\\n\\t\\t\\t\\treturn (-28);\\n\\t\\t\\thmacs = (struct sctp_auth_hmac_algo *)phdr;\\n\\t\\t\\thmacs_len = plen - sizeof(*hmacs);\\n\\t\\t\\tnum_hmacs = hmacs_len / sizeof(hmacs->hmac_ids[0]);\\n\\t\\t\\t/* validate the hmac list */\\n\\t\\t\\tif (sctp_verify_hmac_param(hmacs, num_hmacs)) {\\n\\t\\t\\t\\treturn (-29);\\n\\t\\t\\t}\\n\\t\\t\\tif (stcb->asoc.peer_hmacs != NULL)\\n\\t\\t\\t\\tsctp_free_hmaclist(stcb->asoc.peer_hmacs);\\n\\t\\t\\tstcb->asoc.peer_hmacs = sctp_alloc_hmaclist(num_hmacs);\\n\\t\\t\\tif (stcb->asoc.peer_hmacs != NULL) {\\n\\t\\t\\t\\tfor (i = 0; i < num_hmacs; i++) {\\n\\t\\t\\t\\t\\t(void)sctp_auth_add_hmacid(stcb->asoc.peer_hmacs,\\n\\t\\t\\t\\t\\t\\t\\t\\t ntohs(hmacs->hmac_ids[i]));\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t\\tgot_hmacs = 1;\\n\\t\\t} else if (ptype == SCTP_CHUNK_LIST) {\\n\\t\\t\\tint i;\",\n \"\\t\\t\\tif (plen > sizeof(chunks_store))\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\tif (got_chklist) {\\n\\t\\t\\t\\t/* already processed a Chunks list */\\n\\t\\t\\t\\tgoto next_param;\\n\\t\\t\\t}\\n\\t\\t\\tphdr = sctp_get_next_param(m, offset,\\n\\t\\t\\t\\t\\t\\t (struct sctp_paramhdr *)chunks_store,\\n\\t\\t\\t\\t\\t\\t plen);\\n\\t\\t\\tif (phdr == NULL)\\n\\t\\t\\t\\treturn (-30);\\n\\t\\t\\tchunks = (struct sctp_auth_chunk_list *)phdr;\\n\\t\\t\\tnum_chunks = plen - sizeof(*chunks);\\n\\t\\t\\tif (stcb->asoc.peer_auth_chunks != NULL)\\n\\t\\t\\t\\tsctp_clear_chunklist(stcb->asoc.peer_auth_chunks);\\n\\t\\t\\telse\\n\\t\\t\\t\\tstcb->asoc.peer_auth_chunks = sctp_alloc_chunklist();\\n\\t\\t\\tfor (i = 0; i < num_chunks; i++) {\\n\\t\\t\\t\\t(void)sctp_auth_add_chunk(chunks->chunk_types[i],\\n\\t\\t\\t\\t\\t\\t\\t stcb->asoc.peer_auth_chunks);\\n\\t\\t\\t\\t/* record asconf/asconf-ack if listed */\\n\\t\\t\\t\\tif (chunks->chunk_types[i] == SCTP_ASCONF)\\n\\t\\t\\t\\t\\tsaw_asconf = 1;\\n\\t\\t\\t\\tif (chunks->chunk_types[i] == SCTP_ASCONF_ACK)\\n\\t\\t\\t\\t\\tsaw_asconf_ack = 1;\",\n \"\\t\\t\\t}\\n\\t\\t\\tgot_chklist = 1;\\n\\t\\t} else if ((ptype == SCTP_HEARTBEAT_INFO) ||\\n\\t\\t\\t (ptype == SCTP_STATE_COOKIE) ||\\n\\t\\t\\t (ptype == SCTP_UNRECOG_PARAM) ||\\n\\t\\t\\t (ptype == SCTP_COOKIE_PRESERVE) ||\\n\\t\\t\\t (ptype == SCTP_SUPPORTED_ADDRTYPE) ||\\n\\t\\t\\t (ptype == SCTP_ADD_IP_ADDRESS) ||\\n\\t\\t\\t (ptype == SCTP_DEL_IP_ADDRESS) ||\\n\\t\\t\\t (ptype == SCTP_ERROR_CAUSE_IND) ||\\n\\t\\t\\t (ptype == SCTP_SUCCESS_REPORT)) {\\n\\t\\t\\t/* don't care */ ;\\n\\t\\t} else {\\n\\t\\t\\tif ((ptype & 0x8000) == 0x0000) {\\n\\t\\t\\t\\t/*\\n\\t\\t\\t\\t * must stop processing the rest of the\\n\\t\\t\\t\\t * param's. Any report bits were handled\\n\\t\\t\\t\\t * with the call to\\n\\t\\t\\t\\t * sctp_arethere_unrecognized_parameters()\\n\\t\\t\\t\\t * when the INIT or INIT-ACK was first seen.\\n\\t\\t\\t\\t */\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n\\t\\t}\",\n \"\\tnext_param:\\n\\t\\toffset += SCTP_SIZE32(plen);\\n\\t\\tif (offset >= limit) {\\n\\t\\t\\tbreak;\\n\\t\\t}\\n\\t\\tphdr = sctp_get_next_param(m, offset, ¶m_buf,\\n\\t\\t\\t\\t\\t sizeof(param_buf));\\n\\t}\\n\\t/* Now check to see if we need to purge any addresses */\\n\\tTAILQ_FOREACH_SAFE(net, &stcb->asoc.nets, sctp_next, nnet) {\\n\\t\\tif ((net->dest_state & SCTP_ADDR_NOT_IN_ASSOC) ==\\n\\t\\t SCTP_ADDR_NOT_IN_ASSOC) {\\n\\t\\t\\t/* This address has been removed from the asoc */\\n\\t\\t\\t/* remove and free it */\\n\\t\\t\\tstcb->asoc.numnets--;\\n\\t\\t\\tTAILQ_REMOVE(&stcb->asoc.nets, net, sctp_next);\\n\\t\\t\\tsctp_free_remote_addr(net);\\n\\t\\t\\tif (net == stcb->asoc.primary_destination) {\\n\\t\\t\\t\\tstcb->asoc.primary_destination = NULL;\\n\\t\\t\\t\\tsctp_select_primary_destination(stcb);\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n\\tif ((stcb->asoc.ecn_supported == 1) &&\\n\\t (peer_supports_ecn == 0)) {\\n\\t\\tstcb->asoc.ecn_supported = 0;\\n\\t}\\n\\tif ((stcb->asoc.prsctp_supported == 1) &&\\n\\t (peer_supports_prsctp == 0)) {\\n\\t\\tstcb->asoc.prsctp_supported = 0;\\n\\t}\\n\\tif ((stcb->asoc.auth_supported == 1) &&\\n\\t ((peer_supports_auth == 0) ||\\n\\t (got_random == 0) || (got_hmacs == 0))) {\\n\\t\\tstcb->asoc.auth_supported = 0;\\n\\t}\\n\\tif ((stcb->asoc.asconf_supported == 1) &&\\n\\t ((peer_supports_asconf == 0) || (peer_supports_asconf_ack == 0) ||\\n\\t (stcb->asoc.auth_supported == 0) ||\\n\\t (saw_asconf == 0) || (saw_asconf_ack == 0))) {\\n\\t\\tstcb->asoc.asconf_supported = 0;\\n\\t}\\n\\tif ((stcb->asoc.reconfig_supported == 1) &&\\n\\t (peer_supports_reconfig == 0)) {\\n\\t\\tstcb->asoc.reconfig_supported = 0;\\n\\t}\\n\\tif ((stcb->asoc.idata_supported == 1) &&\\n\\t (peer_supports_idata == 0)) {\\n\\t\\tstcb->asoc.idata_supported = 0;\\n\\t}\\n\\tif ((stcb->asoc.nrsack_supported == 1) &&\\n\\t (peer_supports_nrsack == 0)) {\\n\\t\\tstcb->asoc.nrsack_supported = 0;\\n\\t}\\n\\tif ((stcb->asoc.pktdrop_supported == 1) &&\\n\\t (peer_supports_pktdrop == 0)){\\n\\t\\tstcb->asoc.pktdrop_supported = 0;\\n\\t}\\n\\t/* validate authentication required parameters */\\n\\tif ((peer_supports_auth == 0) && (got_chklist == 1)) {\\n\\t\\t/* peer does not support auth but sent a chunks list? */\\n\\t\\treturn (-31);\\n\\t}\\n\\tif ((peer_supports_asconf == 1) && (peer_supports_auth == 0)) {\\n\\t\\t/* peer supports asconf but not auth? */\\n\\t\\treturn (-32);\\n\\t} else if ((peer_supports_asconf == 1) &&\\n\\t (peer_supports_auth == 1) &&\\n\\t\\t ((saw_asconf == 0) || (saw_asconf_ack == 0))) {\\n\\t\\treturn (-33);\\n\\t}\\n\\t/* concatenate the full random key */\\n\\tkeylen = sizeof(*p_random) + random_len + sizeof(*hmacs) + hmacs_len;\\n\\tif (chunks != NULL) {\\n\\t\\tkeylen += sizeof(*chunks) + num_chunks;\\n\\t}\\n\\tnew_key = sctp_alloc_key(keylen);\\n\\tif (new_key != NULL) {\\n\\t\\t/* copy in the RANDOM */\\n\\t\\tif (p_random != NULL) {\\n\\t\\t\\tkeylen = sizeof(*p_random) + random_len;\\n\\t\\t\\tmemcpy(new_key->key, p_random, keylen);\\n\\t\\t} else {\\n\\t\\t\\tkeylen = 0;\\n\\t\\t}\\n\\t\\t/* append in the AUTH chunks */\\n\\t\\tif (chunks != NULL) {\\n\\t\\t\\tmemcpy(new_key->key + keylen, chunks,\\n\\t\\t\\t sizeof(*chunks) + num_chunks);\\n\\t\\t\\tkeylen += sizeof(*chunks) + num_chunks;\\n\\t\\t}\\n\\t\\t/* append in the HMACs */\\n\\t\\tif (hmacs != NULL) {\\n\\t\\t\\tmemcpy(new_key->key + keylen, hmacs,\\n\\t\\t\\t sizeof(*hmacs) + hmacs_len);\\n\\t\\t}\\n\\t} else {\\n\\t\\t/* failed to get memory for the key */\\n\\t\\treturn (-34);\\n\\t}\\n\\tif (stcb->asoc.authinfo.peer_random != NULL)\\n\\t\\tsctp_free_key(stcb->asoc.authinfo.peer_random);\\n\\tstcb->asoc.authinfo.peer_random = new_key;\\n\\tsctp_clear_cachedkeys(stcb, stcb->asoc.authinfo.assoc_keyid);\\n\\tsctp_clear_cachedkeys(stcb, stcb->asoc.authinfo.recv_keyid);\",\n \"\\treturn (0);\\n}\",\n \"int\\nsctp_set_primary_addr(struct sctp_tcb *stcb, struct sockaddr *sa,\\n\\t\\t struct sctp_nets *net)\\n{\\n\\t/* make sure the requested primary address exists in the assoc */\\n\\tif (net == NULL && sa)\\n\\t\\tnet = sctp_findnet(stcb, sa);\",\n \"\\tif (net == NULL) {\\n\\t\\t/* didn't find the requested primary address! */\\n\\t\\treturn (-1);\\n\\t} else {\\n\\t\\t/* set the primary address */\\n\\t\\tif (net->dest_state & SCTP_ADDR_UNCONFIRMED) {\\n\\t\\t\\t/* Must be confirmed, so queue to set */\\n\\t\\t\\tnet->dest_state |= SCTP_ADDR_REQ_PRIMARY;\\n\\t\\t\\treturn (0);\\n\\t\\t}\\n\\t\\tstcb->asoc.primary_destination = net;\\n\\t\\tif (!(net->dest_state & SCTP_ADDR_PF) && (stcb->asoc.alternate)) {\\n\\t\\t\\tsctp_free_remote_addr(stcb->asoc.alternate);\\n\\t\\t\\tstcb->asoc.alternate = NULL;\\n\\t\\t}\\n\\t\\tnet = TAILQ_FIRST(&stcb->asoc.nets);\\n\\t\\tif (net != stcb->asoc.primary_destination) {\\n\\t\\t\\t/* first one on the list is NOT the primary\\n\\t\\t\\t * sctp_cmpaddr() is much more efficient if\\n\\t\\t\\t * the primary is the first on the list, make it\\n\\t\\t\\t * so.\\n\\t\\t\\t */\\n\\t\\t\\tTAILQ_REMOVE(&stcb->asoc.nets, stcb->asoc.primary_destination, sctp_next);\\n\\t\\t\\tTAILQ_INSERT_HEAD(&stcb->asoc.nets, stcb->asoc.primary_destination, sctp_next);\\n\\t\\t}\\n\\t\\treturn (0);\\n\\t}\\n}\",\n \"int\\nsctp_is_vtag_good(uint32_t tag, uint16_t lport, uint16_t rport, struct timeval *now)\\n{\\n\\t/*\\n\\t * This function serves two purposes. It will see if a TAG can be\\n\\t * re-used and return 1 for yes it is ok and 0 for don't use that\\n\\t * tag. A secondary function it will do is purge out old tags that\\n\\t * can be removed.\\n\\t */\\n\\tstruct sctpvtaghead *chain;\\n\\tstruct sctp_tagblock *twait_block;\\n\\tstruct sctpasochead *head;\\n\\tstruct sctp_tcb *stcb;\\n\\tint i;\",\n \"\\tSCTP_INP_INFO_RLOCK();\\n\\thead = &SCTP_BASE_INFO(sctp_asochash)[SCTP_PCBHASH_ASOC(tag,\\n\\t\\t\\t\\t\\t\\t\\t\\tSCTP_BASE_INFO(hashasocmark))];\\n\\tLIST_FOREACH(stcb, head, sctp_asocs) {\\n\\t\\t/* We choose not to lock anything here. TCB's can't be\\n\\t\\t * removed since we have the read lock, so they can't\\n\\t\\t * be freed on us, same thing for the INP. I may\\n\\t\\t * be wrong with this assumption, but we will go\\n\\t\\t * with it for now :-)\\n\\t\\t */\\n\\t\\tif (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\tif (stcb->asoc.my_vtag == tag) {\\n\\t\\t\\t/* candidate */\\n\\t\\t\\tif (stcb->rport != rport) {\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\tif (stcb->sctp_ep->sctp_lport != lport) {\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\t/* Its a used tag set */\\n\\t\\t\\tSCTP_INP_INFO_RUNLOCK();\\n\\t\\t\\treturn (0);\\n\\t\\t}\\n\\t}\\n\\tchain = &SCTP_BASE_INFO(vtag_timewait)[(tag % SCTP_STACK_VTAG_HASH_SIZE)];\\n\\t/* Now what about timed wait ? */\\n\\tLIST_FOREACH(twait_block, chain, sctp_nxt_tagblock) {\\n\\t\\t/*\\n\\t\\t * Block(s) are present, lets see if we have this tag in the\\n\\t\\t * list\\n\\t\\t */\\n\\t\\tfor (i = 0; i < SCTP_NUMBER_IN_VTAG_BLOCK; i++) {\\n\\t\\t\\tif (twait_block->vtag_block[i].v_tag == 0) {\\n\\t\\t\\t\\t/* not used */\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t} else if ((long)twait_block->vtag_block[i].tv_sec_at_expire <\\n\\t\\t\\t\\t now->tv_sec) {\\n\\t\\t\\t\\t/* Audit expires this guy */\\n\\t\\t\\t\\ttwait_block->vtag_block[i].tv_sec_at_expire = 0;\\n\\t\\t\\t\\ttwait_block->vtag_block[i].v_tag = 0;\\n\\t\\t\\t\\ttwait_block->vtag_block[i].lport = 0;\\n\\t\\t\\t\\ttwait_block->vtag_block[i].rport = 0;\\n\\t\\t\\t} else if ((twait_block->vtag_block[i].v_tag == tag) &&\\n\\t\\t\\t\\t (twait_block->vtag_block[i].lport == lport) &&\\n\\t\\t\\t\\t (twait_block->vtag_block[i].rport == rport)) {\\n\\t\\t\\t\\t/* Bad tag, sorry :< */\\n\\t\\t\\t\\tSCTP_INP_INFO_RUNLOCK();\\n\\t\\t\\t\\treturn (0);\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n\\tSCTP_INP_INFO_RUNLOCK();\\n\\treturn (1);\\n}\",\n \"static void\\nsctp_drain_mbufs(struct sctp_tcb *stcb)\\n{\\n\\t/*\\n\\t * We must hunt this association for MBUF's past the cumack (i.e.\\n\\t * out of order data that we can renege on).\\n\\t */\\n\\tstruct sctp_association *asoc;\\n\\tstruct sctp_tmit_chunk *chk, *nchk;\\n\\tuint32_t cumulative_tsn_p1;\\n\\tstruct sctp_queued_to_read *control, *ncontrol;\\n\\tint cnt, strmat;\\n\\tuint32_t gap, i;\\n\\tint fnd = 0;\",\n \"\\t/* We look for anything larger than the cum-ack + 1 */\",\n \"\\tasoc = &stcb->asoc;\\n\\tif (asoc->cumulative_tsn == asoc->highest_tsn_inside_map) {\\n\\t\\t/* none we can reneg on. */\\n\\t\\treturn;\\n\\t}\\n\\tSCTP_STAT_INCR(sctps_protocol_drains_done);\\n\\tcumulative_tsn_p1 = asoc->cumulative_tsn + 1;\\n\\tcnt = 0;\\n\\t/* Ok that was fun, now we will drain all the inbound streams? */\\n\\tfor (strmat = 0; strmat < asoc->streamincnt; strmat++) {\\n\\t\\tTAILQ_FOREACH_SAFE(control, &asoc->strmin[strmat].inqueue, next_instrm, ncontrol) {\\n#ifdef INVARIANTS\\n\\t\\t\\tif (control->on_strm_q != SCTP_ON_ORDERED ) {\\n\\t\\t\\t\\tpanic(\\\"Huh control: %p on_q: %d -- not ordered?\\\",\\n\\t\\t\\t\\t control, control->on_strm_q);\\n\\t\\t\\t}\\n#endif\\n\\t\\t\\tif (SCTP_TSN_GT(control->sinfo_tsn, cumulative_tsn_p1)) {\\n\\t\\t\\t\\t/* Yep it is above cum-ack */\\n\\t\\t\\t\\tcnt++;\\n\\t\\t\\t\\tSCTP_CALC_TSN_TO_GAP(gap, control->sinfo_tsn, asoc->mapping_array_base_tsn);\\n\\t\\t\\t\\tKASSERT(control->length > 0, (\\\"control has zero length\\\"));\\n\\t\\t\\t\\tif (asoc->size_on_all_streams >= control->length) {\\n\\t\\t\\t\\t\\tasoc->size_on_all_streams -= control->length;\\n\\t\\t\\t\\t} else {\\n#ifdef INVARIANTS\\n\\t\\t\\t\\t\\tpanic(\\\"size_on_all_streams = %u smaller than control length %u\\\", asoc->size_on_all_streams, control->length);\\n#else\\n\\t\\t\\t\\t\\tasoc->size_on_all_streams = 0;\\n#endif\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tsctp_ucount_decr(asoc->cnt_on_all_streams);\\n\\t\\t\\t\\tSCTP_UNSET_TSN_PRESENT(asoc->mapping_array, gap);\\n\\t\\t\\t\\tif (control->on_read_q) {\\n\\t\\t\\t\\t\\tTAILQ_REMOVE(&stcb->sctp_ep->read_queue, control, next);\\n\\t\\t\\t\\t\\tcontrol->on_read_q = 0;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tTAILQ_REMOVE(&asoc->strmin[strmat].inqueue, control, next_instrm);\\n\\t\\t\\t\\tcontrol->on_strm_q = 0;\\n\\t\\t\\t\\tif (control->data) {\\n\\t\\t\\t\\t\\tsctp_m_freem(control->data);\\n\\t\\t\\t\\t\\tcontrol->data = NULL;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tsctp_free_remote_addr(control->whoFrom);\\n\\t\\t\\t\\t/* Now its reasm? */\\n\\t\\t\\t\\tTAILQ_FOREACH_SAFE(chk, &control->reasm, sctp_next, nchk) {\\n\\t\\t\\t\\t\\tcnt++;\\n\\t\\t\\t\\t\\tSCTP_CALC_TSN_TO_GAP(gap, chk->rec.data.tsn, asoc->mapping_array_base_tsn);\\n\\t\\t\\t\\t\\tKASSERT(chk->send_size > 0, (\\\"chunk has zero length\\\"));\\n\\t\\t\\t\\t\\tif (asoc->size_on_reasm_queue >= chk->send_size) {\\n\\t\\t\\t\\t\\t\\tasoc->size_on_reasm_queue -= chk->send_size;\\n\\t\\t\\t\\t\\t} else {\\n#ifdef INVARIANTS\\n\\t\\t\\t\\t\\t\\tpanic(\\\"size_on_reasm_queue = %u smaller than chunk length %u\\\", asoc->size_on_reasm_queue, chk->send_size);\\n#else\\n\\t\\t\\t\\t\\t\\tasoc->size_on_reasm_queue = 0;\\n#endif\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tsctp_ucount_decr(asoc->cnt_on_reasm_queue);\\n\\t\\t\\t\\t\\tSCTP_UNSET_TSN_PRESENT(asoc->mapping_array, gap);\\n\\t\\t\\t\\t\\tTAILQ_REMOVE(&control->reasm, chk, sctp_next);\\n\\t\\t\\t\\t\\tif (chk->data) {\\n\\t\\t\\t\\t\\t\\tsctp_m_freem(chk->data);\\n\\t\\t\\t\\t\\t\\tchk->data = NULL;\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tsctp_free_a_chunk(stcb, chk, SCTP_SO_NOT_LOCKED);\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tsctp_free_a_readq(stcb, control);\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\tTAILQ_FOREACH_SAFE(control, &asoc->strmin[strmat].uno_inqueue, next_instrm, ncontrol) {\\n#ifdef INVARIANTS\\n\\t\\t\\tif (control->on_strm_q != SCTP_ON_UNORDERED ) {\\n\\t\\t\\t\\tpanic(\\\"Huh control: %p on_q: %d -- not unordered?\\\",\\n\\t\\t\\t\\t control, control->on_strm_q);\\n\\t\\t\\t}\\n#endif\\n\\t\\t\\tif (SCTP_TSN_GT(control->sinfo_tsn, cumulative_tsn_p1)) {\\n\\t\\t\\t\\t/* Yep it is above cum-ack */\\n\\t\\t\\t\\tcnt++;\\n\\t\\t\\t\\tSCTP_CALC_TSN_TO_GAP(gap, control->sinfo_tsn, asoc->mapping_array_base_tsn);\\n\\t\\t\\t\\tKASSERT(control->length > 0, (\\\"control has zero length\\\"));\\n\\t\\t\\t\\tif (asoc->size_on_all_streams >= control->length) {\\n\\t\\t\\t\\t\\tasoc->size_on_all_streams -= control->length;\\n\\t\\t\\t\\t} else {\\n#ifdef INVARIANTS\\n\\t\\t\\t\\t\\tpanic(\\\"size_on_all_streams = %u smaller than control length %u\\\", asoc->size_on_all_streams, control->length);\\n#else\\n\\t\\t\\t\\t\\tasoc->size_on_all_streams = 0;\\n#endif\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tsctp_ucount_decr(asoc->cnt_on_all_streams);\\n\\t\\t\\t\\tSCTP_UNSET_TSN_PRESENT(asoc->mapping_array, gap);\\n\\t\\t\\t\\tif (control->on_read_q) {\\n\\t\\t\\t\\t\\tTAILQ_REMOVE(&stcb->sctp_ep->read_queue, control, next);\\n\\t\\t\\t\\t\\tcontrol->on_read_q = 0;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tTAILQ_REMOVE(&asoc->strmin[strmat].uno_inqueue, control, next_instrm);\\n\\t\\t\\t\\tcontrol->on_strm_q = 0;\\n\\t\\t\\t\\tif (control->data) {\\n\\t\\t\\t\\t\\tsctp_m_freem(control->data);\\n\\t\\t\\t\\t\\tcontrol->data = NULL;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tsctp_free_remote_addr(control->whoFrom);\\n\\t\\t\\t\\t/* Now its reasm? */\\n\\t\\t\\t\\tTAILQ_FOREACH_SAFE(chk, &control->reasm, sctp_next, nchk) {\\n\\t\\t\\t\\t\\tcnt++;\\n\\t\\t\\t\\t\\tSCTP_CALC_TSN_TO_GAP(gap, chk->rec.data.tsn, asoc->mapping_array_base_tsn);\\n\\t\\t\\t\\t\\tKASSERT(chk->send_size > 0, (\\\"chunk has zero length\\\"));\\n\\t\\t\\t\\t\\tif (asoc->size_on_reasm_queue >= chk->send_size) {\\n\\t\\t\\t\\t\\t\\tasoc->size_on_reasm_queue -= chk->send_size;\\n\\t\\t\\t\\t\\t} else {\\n#ifdef INVARIANTS\\n\\t\\t\\t\\t\\t\\tpanic(\\\"size_on_reasm_queue = %u smaller than chunk length %u\\\", asoc->size_on_reasm_queue, chk->send_size);\\n#else\\n\\t\\t\\t\\t\\t\\tasoc->size_on_reasm_queue = 0;\\n#endif\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tsctp_ucount_decr(asoc->cnt_on_reasm_queue);\\n\\t\\t\\t\\t\\tSCTP_UNSET_TSN_PRESENT(asoc->mapping_array, gap);\\n\\t\\t\\t\\t\\tTAILQ_REMOVE(&control->reasm, chk, sctp_next);\\n\\t\\t\\t\\t\\tif (chk->data) {\\n\\t\\t\\t\\t\\t\\tsctp_m_freem(chk->data);\\n\\t\\t\\t\\t\\t\\tchk->data = NULL;\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tsctp_free_a_chunk(stcb, chk, SCTP_SO_NOT_LOCKED);\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tsctp_free_a_readq(stcb, control);\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n\\tif (cnt) {\\n\\t\\t/* We must back down to see what the new highest is */\\n\\t\\tfor (i = asoc->highest_tsn_inside_map; SCTP_TSN_GE(i, asoc->mapping_array_base_tsn); i--) {\\n\\t\\t\\tSCTP_CALC_TSN_TO_GAP(gap, i, asoc->mapping_array_base_tsn);\\n\\t\\t\\tif (SCTP_IS_TSN_PRESENT(asoc->mapping_array, gap)) {\\n\\t\\t\\t\\tasoc->highest_tsn_inside_map = i;\\n\\t\\t\\t\\tfnd = 1;\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\tif (!fnd) {\\n\\t\\t\\tasoc->highest_tsn_inside_map = asoc->mapping_array_base_tsn - 1;\\n\\t\\t}\",\n \"\\t\\t/*\\n\\t\\t * Question, should we go through the delivery queue? The only\\n\\t\\t * reason things are on here is the app not reading OR a p-d-api up.\\n\\t\\t * An attacker COULD send enough in to initiate the PD-API and then\\n\\t\\t * send a bunch of stuff to other streams... these would wind up on\\n\\t\\t * the delivery queue.. and then we would not get to them. But in\\n\\t\\t * order to do this I then have to back-track and un-deliver\\n\\t\\t * sequence numbers in streams.. el-yucko. I think for now we will\\n\\t\\t * NOT look at the delivery queue and leave it to be something to\\n\\t\\t * consider later. An alternative would be to abort the P-D-API with\\n\\t\\t * a notification and then deliver the data.... Or another method\\n\\t\\t * might be to keep track of how many times the situation occurs and\\n\\t\\t * if we see a possible attack underway just abort the association.\\n\\t\\t */\\n#ifdef SCTP_DEBUG\\n\\t\\tSCTPDBG(SCTP_DEBUG_PCB1, \\\"Freed %d chunks from reneg harvest\\\\n\\\", cnt);\\n#endif\\n\\t\\t/*\\n\\t\\t * Now do we need to find a new\\n\\t\\t * asoc->highest_tsn_inside_map?\\n\\t\\t */\\n\\t\\tasoc->last_revoke_count = cnt;\\n\\t\\t(void)SCTP_OS_TIMER_STOP(&stcb->asoc.dack_timer.timer);\\n\\t\\t/*sa_ignore NO_NULL_CHK*/\\n\\t\\tsctp_send_sack(stcb, SCTP_SO_NOT_LOCKED);\\n\\t\\tsctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_DRAIN, SCTP_SO_NOT_LOCKED);\\n\\t}\\n\\t/*\\n\\t * Another issue, in un-setting the TSN's in the mapping array we\\n\\t * DID NOT adjust the highest_tsn marker. This will cause one of two\\n\\t * things to occur. It may cause us to do extra work in checking for\\n\\t * our mapping array movement. More importantly it may cause us to\\n\\t * SACK every datagram. This may not be a bad thing though since we\\n\\t * will recover once we get our cum-ack above and all this stuff we\\n\\t * dumped recovered.\\n\\t */\\n}\",\n \"void\\nsctp_drain()\\n{\\n\\t/*\\n\\t * We must walk the PCB lists for ALL associations here. The system\\n\\t * is LOW on MBUF's and needs help. This is where reneging will\\n\\t * occur. We really hope this does NOT happen!\\n\\t */\\n#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\\n\\tVNET_ITERATOR_DECL(vnet_iter);\\n#else\\n\\tstruct sctp_inpcb *inp;\\n\\tstruct sctp_tcb *stcb;\",\n \"\\tSCTP_STAT_INCR(sctps_protocol_drain_calls);\\n\\tif (SCTP_BASE_SYSCTL(sctp_do_drain) == 0) {\\n\\t\\treturn;\\n\\t}\\n#endif\\n#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\\n\\tVNET_LIST_RLOCK_NOSLEEP();\\n\\tVNET_FOREACH(vnet_iter) {\\n\\t\\tCURVNET_SET(vnet_iter);\\n\\t\\tstruct sctp_inpcb *inp;\\n\\t\\tstruct sctp_tcb *stcb;\\n#endif\",\n \"#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\\n\\t\\tSCTP_STAT_INCR(sctps_protocol_drain_calls);\\n\\t\\tif (SCTP_BASE_SYSCTL(sctp_do_drain) == 0) {\\n#ifdef VIMAGE\\n\\t\\t\\tcontinue;\\n#else\\n\\t\\t\\treturn;\\n#endif\\n\\t\\t}\\n#endif\\n\\t\\tSCTP_INP_INFO_RLOCK();\\n\\t\\tLIST_FOREACH(inp, &SCTP_BASE_INFO(listhead), sctp_list) {\\n\\t\\t\\t/* For each endpoint */\\n\\t\\t\\tSCTP_INP_RLOCK(inp);\\n\\t\\t\\tLIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {\\n\\t\\t\\t\\t/* For each association */\\n\\t\\t\\t\\tSCTP_TCB_LOCK(stcb);\\n\\t\\t\\t\\tsctp_drain_mbufs(stcb);\\n\\t\\t\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t\\t\\t}\\n\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t}\\n\\t\\tSCTP_INP_INFO_RUNLOCK();\\n#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\\n\\t\\tCURVNET_RESTORE();\\n\\t}\\n\\tVNET_LIST_RUNLOCK_NOSLEEP();\\n#endif\\n}\",\n \"/*\\n * start a new iterator\\n * iterates through all endpoints and associations based on the pcb_state\\n * flags and asoc_state. \\\"af\\\" (mandatory) is executed for all matching\\n * assocs and \\\"ef\\\" (optional) is executed when the iterator completes.\\n * \\\"inpf\\\" (optional) is executed for each new endpoint as it is being\\n * iterated through. inpe (optional) is called when the inp completes\\n * its way through all the stcbs.\\n */\\nint\\nsctp_initiate_iterator(inp_func inpf,\\n\\t\\t asoc_func af,\\n\\t\\t inp_func inpe,\\n\\t\\t uint32_t pcb_state,\\n\\t\\t uint32_t pcb_features,\\n\\t\\t uint32_t asoc_state,\\n\\t\\t void *argp,\\n\\t\\t uint32_t argi,\\n\\t\\t end_func ef,\\n\\t\\t struct sctp_inpcb *s_inp,\\n\\t\\t uint8_t chunk_output_off)\\n{\\n\\tstruct sctp_iterator *it = NULL;\",\n \"\\tif (af == NULL) {\\n\\t\\treturn (-1);\\n\\t}\\n\\tif (SCTP_BASE_VAR(sctp_pcb_initialized) == 0) {\\n\\t\\tSCTP_PRINTF(\\\"%s: abort on initialize being %d\\\\n\\\", __func__,\\n\\t\\t SCTP_BASE_VAR(sctp_pcb_initialized));\\n\\t\\treturn (-1);\\n\\t}\\n\\tSCTP_MALLOC(it, struct sctp_iterator *, sizeof(struct sctp_iterator),\\n\\t\\t SCTP_M_ITER);\\n\\tif (it == NULL) {\\n\\t\\tSCTP_LTRACE_ERR_RET(NULL, NULL, NULL, SCTP_FROM_SCTP_PCB, ENOMEM);\\n\\t\\treturn (ENOMEM);\\n\\t}\\n\\tmemset(it, 0, sizeof(*it));\\n\\tit->function_assoc = af;\\n\\tit->function_inp = inpf;\\n\\tif (inpf)\\n\\t\\tit->done_current_ep = 0;\\n\\telse\\n\\t\\tit->done_current_ep = 1;\\n\\tit->function_atend = ef;\\n\\tit->pointer = argp;\\n\\tit->val = argi;\\n\\tit->pcb_flags = pcb_state;\\n\\tit->pcb_features = pcb_features;\\n\\tit->asoc_state = asoc_state;\\n\\tit->function_inp_end = inpe;\\n\\tit->no_chunk_output = chunk_output_off;\\n#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\\n\\tit->vn = curvnet;\\n#endif\\n\\tif (s_inp) {\\n\\t\\t/* Assume lock is held here */\\n\\t\\tit->inp = s_inp;\\n\\t\\tSCTP_INP_INCR_REF(it->inp);\\n\\t\\tit->iterator_flags = SCTP_ITERATOR_DO_SINGLE_INP;\\n\\t} else {\\n\\t\\tSCTP_INP_INFO_RLOCK();\\n\\t\\tit->inp = LIST_FIRST(&SCTP_BASE_INFO(listhead));\\n\\t\\tif (it->inp) {\\n\\t\\t\\tSCTP_INP_INCR_REF(it->inp);\\n\\t\\t}\\n\\t\\tSCTP_INP_INFO_RUNLOCK();\\n\\t\\tit->iterator_flags = SCTP_ITERATOR_DO_ALL_INP;\",\n \"\\t}\\n\\tSCTP_IPI_ITERATOR_WQ_LOCK();\\n\\tif (SCTP_BASE_VAR(sctp_pcb_initialized) == 0) {\\n\\t\\tSCTP_IPI_ITERATOR_WQ_UNLOCK();\\n\\t\\tSCTP_PRINTF(\\\"%s: rollback on initialize being %d 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\"fixing_code_start_loc\": [37, 37], \"message\": \"usrsctp before 2019-12-20 has out-of-bounds reads in sctp_load_addresses_from_init.\", \"other\": {\"cve\": {\"cisaActionDue\": null, \"cisaExploitAdd\": null, \"cisaRequiredAction\": null, \"cisaVulnerabilityName\": null, \"configurations\": [{\"nodes\": [{\"cpeMatch\": [{\"criteria\": \"cpe:2.3:a:usrsctp_project:usrsctp:*:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"1DE09463-9EA6-49EF-BCBF-568BE6E965B8\", \"versionEndExcluding\": \"2019-12-20\", \"versionEndIncluding\": null, \"versionStartExcluding\": null, \"versionStartIncluding\": null, \"vulnerable\": true}], \"negate\": false, \"operator\": \"OR\"}], \"operator\": null}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"usrsctp before 2019-12-20 has out-of-bounds reads in sctp_load_addresses_from_init.\"}, {\"lang\": \"es\", \"value\": \"usrsctp versiones anteriores al 20-12-2019, presenta lecturas fuera de l\\u00edmites en la funci\\u00f3n sctp_load_addresses_from_init.\"}], \"evaluatorComment\": null, \"id\": \"CVE-2019-20503\", \"lastModified\": \"2020-06-11T15:15:11.287\", \"metrics\": {\"cvssMetricV2\": [{\"acInsufInfo\": false, \"baseSeverity\": \"MEDIUM\", \"cvssData\": {\"accessComplexity\": \"MEDIUM\", \"accessVector\": \"NETWORK\", \"authentication\": \"NONE\", \"availabilityImpact\": \"PARTIAL\", \"baseScore\": 4.3, \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"vectorString\": \"AV:N/AC:M/Au:N/C:N/I:N/A:P\", \"version\": \"2.0\"}, \"exploitabilityScore\": 8.6, \"impactScore\": 2.9, \"obtainAllPrivilege\": false, \"obtainOtherPrivilege\": false, \"obtainUserPrivilege\": false, \"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"userInteractionRequired\": true}], \"cvssMetricV30\": null, \"cvssMetricV31\": [{\"cvssData\": {\"attackComplexity\": \"LOW\", \"attackVector\": \"NETWORK\", \"availabilityImpact\": \"HIGH\", \"baseScore\": 6.5, \"baseSeverity\": \"MEDIUM\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"privilegesRequired\": \"NONE\", \"scope\": \"UNCHANGED\", \"userInteraction\": \"REQUIRED\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H\", \"version\": \"3.1\"}, \"exploitabilityScore\": 2.8, \"impactScore\": 3.6, \"source\": \"nvd@nist.gov\", \"type\": \"Primary\"}]}, \"published\": \"2020-03-06T20:15:12.470\", \"references\": [{\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00022.html\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00028.html\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00030.html\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00037.html\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://seclists.org/fulldisclosure/2020/May/49\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://seclists.org/fulldisclosure/2020/May/52\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://seclists.org/fulldisclosure/2020/May/55\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://seclists.org/fulldisclosure/2020/May/59\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://access.redhat.com/errata/RHSA-2020:0815\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://access.redhat.com/errata/RHSA-2020:0816\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://access.redhat.com/errata/RHSA-2020:0819\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://access.redhat.com/errata/RHSA-2020:0820\"}, {\"source\": \"cve@mitre.org\", \"tags\": [\"Exploit\", \"Patch\", \"Vendor Advisory\"], \"url\": \"https://bugs.chromium.org/p/project-zero/issues/detail?id=1992\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://chromereleases.googleblog.com/2020/03/stable-channel-update-for-desktop_18.html\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://crbug.com/1059349\"}, {\"source\": \"cve@mitre.org\", \"tags\": [\"Patch\", \"Third Party Advisory\"], \"url\": \"https://github.com/sctplab/usrsctp/commit/790a7a2555aefb392a5a69923f1e9d17b4968467\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://lists.debian.org/debian-lts-announce/2020/03/msg00013.html\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://lists.debian.org/debian-lts-announce/2020/03/msg00023.html\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2DDNOAGIX5D77TTHT6YPMVJ5WTXTCQEI/\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": 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\"vendorComments\": null, \"vulnStatus\": \"Modified\", \"weaknesses\": [{\"description\": [{\"lang\": \"en\", \"value\": \"CWE-125\"}], \"source\": \"nvd@nist.gov\", \"type\": \"Primary\"}]}, \"github_commit_url\": \"https://github.com/sctplab/usrsctp/commit/790a7a2555aefb392a5a69923f1e9d17b4968467\"}, \"type\": \"CWE-125\"}"},"index":{"kind":"number","value":860,"string":"860"}}},{"rowIdx":5095,"cells":{"prompt":{"kind":"string","value":"Determine whether the {function_name} code is vulnerable or not."},"completions":{"kind":"list like","value":["/*-\n * SPDX-License-Identifier: BSD-3-Clause\n *\n * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved.\n * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.\n * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.\n *\n * Redistribution and use in source and binary forms, with or without\n * modification, are permitted provided that the following conditions are met:\n *\n * a) Redistributions of source code must retain the above copyright notice,\n * this list of conditions and the following disclaimer.\n *\n * b) Redistributions in binary form must reproduce the above copyright\n * notice, this list of conditions and the following disclaimer in\n * the documentation and/or other materials provided with the distribution.\n *\n * c) Neither the name of Cisco Systems, Inc. nor the names of its\n * contributors may be used to endorse or promote products derived\n * from this software without specific prior written permission.\n *\n * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\n * \"AS IS\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,\n * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\n * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\n * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\n * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\n * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\n * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\n * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\n * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF\n * THE POSSIBILITY OF SUCH DAMAGE.\n */","#ifdef __FreeBSD__\n#include <sys/cdefs.h>","__FBSDID(\"$FreeBSD: head/sys/netinet/sctp_pcb.c 355931 2019-12-20 15:25:08Z tuexen $\");","#endif","#include <netinet/sctp_os.h>\n#ifdef __FreeBSD__\n#include <sys/proc.h>\n#endif\n#include <netinet/sctp_var.h>\n#include <netinet/sctp_sysctl.h>\n#include <netinet/sctp_pcb.h>\n#include <netinet/sctputil.h>\n#include <netinet/sctp.h>\n#include <netinet/sctp_header.h>\n#include <netinet/sctp_asconf.h>\n#include <netinet/sctp_output.h>\n#include <netinet/sctp_timer.h>\n#include <netinet/sctp_bsd_addr.h>\n#if defined(INET) || defined(INET6)\n#if !defined(__Userspace_os_Windows)\n#include <netinet/udp.h>\n#endif\n#endif\n#ifdef INET6\n#if defined(__Userspace__)\n#include \"user_ip6_var.h\"\n#else\n#include <netinet6/ip6_var.h>\n#endif\n#endif\n#if defined(__FreeBSD__)\n#include <sys/sched.h>\n#include <sys/smp.h>\n#include <sys/unistd.h>\n#endif\n#if defined(__Userspace__)\n#include <user_socketvar.h>\n#include <user_atomic.h>\n#if !defined(__Userspace_os_Windows)\n#include <netdb.h>\n#endif\n#endif","#if defined(__APPLE__)\n#define APPLE_FILE_NO 4\n#endif","#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\nVNET_DEFINE(struct sctp_base_info, system_base_info);\n#else\nstruct sctp_base_info system_base_info;\n#endif","/* FIX: we don't handle multiple link local scopes */\n/* \"scopeless\" replacement IN6_ARE_ADDR_EQUAL */\n#ifdef INET6\nint\nSCTP6_ARE_ADDR_EQUAL(struct sockaddr_in6 *a, struct sockaddr_in6 *b)\n{\n#ifdef SCTP_EMBEDDED_V6_SCOPE\n#if defined(__APPLE__)\n\tstruct in6_addr tmp_a, tmp_b;","\ttmp_a = a->sin6_addr;\n#if defined(APPLE_LEOPARD) || defined(APPLE_SNOWLEOPARD)\n\tif (in6_embedscope(&tmp_a, a, NULL, NULL) != 0) {\n#else\n\tif (in6_embedscope(&tmp_a, a, NULL, NULL, NULL) != 0) {\n#endif\n\t\treturn (0);\n\t}\n\ttmp_b = b->sin6_addr;\n#if defined(APPLE_LEOPARD) || defined(APPLE_SNOWLEOPARD)\n\tif (in6_embedscope(&tmp_b, b, NULL, NULL) != 0) {\n#else\n\tif (in6_embedscope(&tmp_b, b, NULL, NULL, NULL) != 0) {\n#endif\n\t\treturn (0);\n\t}\n\treturn (IN6_ARE_ADDR_EQUAL(&tmp_a, &tmp_b));\n#elif defined(SCTP_KAME)\n\tstruct sockaddr_in6 tmp_a, tmp_b;","\tmemcpy(&tmp_a, a, sizeof(struct sockaddr_in6));\n\tif (sa6_embedscope(&tmp_a, MODULE_GLOBAL(ip6_use_defzone)) != 0) {\n\t\treturn (0);\n\t}\n\tmemcpy(&tmp_b, b, sizeof(struct sockaddr_in6));\n\tif (sa6_embedscope(&tmp_b, MODULE_GLOBAL(ip6_use_defzone)) != 0) {\n\t\treturn (0);\n\t}\n\treturn (IN6_ARE_ADDR_EQUAL(&tmp_a.sin6_addr, &tmp_b.sin6_addr));\n#else\n\tstruct in6_addr tmp_a, tmp_b;","\ttmp_a = a->sin6_addr;\n\tif (in6_embedscope(&tmp_a, a) != 0) {\n\t\treturn (0);\n\t}\n\ttmp_b = b->sin6_addr;\n\tif (in6_embedscope(&tmp_b, b) != 0) {\n\t\treturn (0);\n\t}\n\treturn (IN6_ARE_ADDR_EQUAL(&tmp_a, &tmp_b));\n#endif\n#else\n\treturn (IN6_ARE_ADDR_EQUAL(&(a->sin6_addr), &(b->sin6_addr)));\n#endif /* SCTP_EMBEDDED_V6_SCOPE */\n}\n#endif","void\nsctp_fill_pcbinfo(struct sctp_pcbinfo *spcb)\n{\n\t/*\n\t * We really don't need to lock this, but I will just because it\n\t * does not hurt.\n\t */\n\tSCTP_INP_INFO_RLOCK();\n\tspcb->ep_count = SCTP_BASE_INFO(ipi_count_ep);\n\tspcb->asoc_count = SCTP_BASE_INFO(ipi_count_asoc);\n\tspcb->laddr_count = SCTP_BASE_INFO(ipi_count_laddr);\n\tspcb->raddr_count = SCTP_BASE_INFO(ipi_count_raddr);\n\tspcb->chk_count = SCTP_BASE_INFO(ipi_count_chunk);\n\tspcb->readq_count = SCTP_BASE_INFO(ipi_count_readq);\n\tspcb->stream_oque = SCTP_BASE_INFO(ipi_count_strmoq);\n\tspcb->free_chunks = SCTP_BASE_INFO(ipi_free_chunks);\n\tSCTP_INP_INFO_RUNLOCK();\n}","/*-\n * Addresses are added to VRF's (Virtual Router's). For BSD we\n * have only the default VRF 0. We maintain a hash list of\n * VRF's. Each VRF has its own list of sctp_ifn's. Each of\n * these has a list of addresses. When we add a new address\n * to a VRF we lookup the ifn/ifn_index, if the ifn does\n * not exist we create it and add it to the list of IFN's\n * within the VRF. Once we have the sctp_ifn, we add the\n * address to the list. So we look something like:\n *\n * hash-vrf-table\n * vrf-> ifn-> ifn -> ifn\n * vrf |\n * ... +--ifa-> ifa -> ifa\n * vrf\n *\n * We keep these separate lists since the SCTP subsystem will\n * point to these from its source address selection nets structure.\n * When an address is deleted it does not happen right away on\n * the SCTP side, it gets scheduled. What we do when a\n * delete happens is immediately remove the address from\n * the master list and decrement the refcount. As our\n * addip iterator works through and frees the src address\n * selection pointing to the sctp_ifa, eventually the refcount\n * will reach 0 and we will delete it. Note that it is assumed\n * that any locking on system level ifn/ifa is done at the\n * caller of these functions and these routines will only\n * lock the SCTP structures as they add or delete things.\n *\n * Other notes on VRF concepts.\n * - An endpoint can be in multiple VRF's\n * - An association lives within a VRF and only one VRF.\n * - Any incoming packet we can deduce the VRF for by\n * looking at the mbuf/pak inbound (for BSD its VRF=0 :D)\n * - Any downward send call or connect call must supply the\n * VRF via ancillary data or via some sort of set default\n * VRF socket option call (again for BSD no brainer since\n * the VRF is always 0).\n * - An endpoint may add multiple VRF's to it.\n * - Listening sockets can accept associations in any\n * of the VRF's they are in but the assoc will end up\n * in only one VRF (gotten from the packet or connect/send).\n *\n */","struct sctp_vrf *\nsctp_allocate_vrf(int vrf_id)\n{\n\tstruct sctp_vrf *vrf = NULL;\n\tstruct sctp_vrflist *bucket;","\t/* First allocate the VRF structure */\n\tvrf = sctp_find_vrf(vrf_id);\n\tif (vrf) {\n\t\t/* Already allocated */\n\t\treturn (vrf);\n\t}\n\tSCTP_MALLOC(vrf, struct sctp_vrf *, sizeof(struct sctp_vrf),\n\t\t SCTP_M_VRF);\n\tif (vrf == NULL) {\n\t\t/* No memory */\n#ifdef INVARIANTS\n\t\tpanic(\"No memory for VRF:%d\", vrf_id);\n#endif\n\t\treturn (NULL);\n\t}\n\t/* setup the VRF */\n\tmemset(vrf, 0, sizeof(struct sctp_vrf));\n\tvrf->vrf_id = vrf_id;\n\tLIST_INIT(&vrf->ifnlist);\n\tvrf->total_ifa_count = 0;\n\tvrf->refcount = 0;\n\t/* now also setup table ids */\n\tSCTP_INIT_VRF_TABLEID(vrf);\n\t/* Init the HASH of addresses */\n\tvrf->vrf_addr_hash = SCTP_HASH_INIT(SCTP_VRF_ADDR_HASH_SIZE,\n\t\t\t\t\t &vrf->vrf_addr_hashmark);\n\tif (vrf->vrf_addr_hash == NULL) {\n\t\t/* No memory */\n#ifdef INVARIANTS\n\t\tpanic(\"No memory for VRF:%d\", vrf_id);\n#endif\n\t\tSCTP_FREE(vrf, SCTP_M_VRF);\n\t\treturn (NULL);\n\t}","\t/* Add it to the hash table */\n\tbucket = &SCTP_BASE_INFO(sctp_vrfhash)[(vrf_id & SCTP_BASE_INFO(hashvrfmark))];\n\tLIST_INSERT_HEAD(bucket, vrf, next_vrf);\n\tatomic_add_int(&SCTP_BASE_INFO(ipi_count_vrfs), 1);\n\treturn (vrf);\n}","\nstruct sctp_ifn *\nsctp_find_ifn(void *ifn, uint32_t ifn_index)\n{\n\tstruct sctp_ifn *sctp_ifnp;\n\tstruct sctp_ifnlist *hash_ifn_head;","\t/* We assume the lock is held for the addresses\n\t * if that's wrong problems could occur :-)\n\t */\n\thash_ifn_head = &SCTP_BASE_INFO(vrf_ifn_hash)[(ifn_index & SCTP_BASE_INFO(vrf_ifn_hashmark))];\n\tLIST_FOREACH(sctp_ifnp, hash_ifn_head, next_bucket) {\n\t\tif (sctp_ifnp->ifn_index == ifn_index) {\n\t\t\treturn (sctp_ifnp);\n\t\t}\n\t\tif (sctp_ifnp->ifn_p && ifn && (sctp_ifnp->ifn_p == ifn)) {\n\t\t\treturn (sctp_ifnp);\n\t\t}\n\t}\n\treturn (NULL);\n}","\nstruct sctp_vrf *\nsctp_find_vrf(uint32_t vrf_id)\n{\n\tstruct sctp_vrflist *bucket;\n\tstruct sctp_vrf *liste;","\tbucket = &SCTP_BASE_INFO(sctp_vrfhash)[(vrf_id & SCTP_BASE_INFO(hashvrfmark))];\n\tLIST_FOREACH(liste, bucket, next_vrf) {\n\t\tif (vrf_id == liste->vrf_id) {\n\t\t\treturn (liste);\n\t\t}\n\t}\n\treturn (NULL);\n}","\nvoid\nsctp_free_vrf(struct sctp_vrf *vrf)\n{\n\tif (SCTP_DECREMENT_AND_CHECK_REFCOUNT(&vrf->refcount)) {\n if (vrf->vrf_addr_hash) {\n SCTP_HASH_FREE(vrf->vrf_addr_hash, vrf->vrf_addr_hashmark);\n vrf->vrf_addr_hash = NULL;\n }\n\t\t/* We zero'd the count */\n\t\tLIST_REMOVE(vrf, next_vrf);\n\t\tSCTP_FREE(vrf, SCTP_M_VRF);\n\t\tatomic_subtract_int(&SCTP_BASE_INFO(ipi_count_vrfs), 1);\n\t}\n}","\nvoid\nsctp_free_ifn(struct sctp_ifn *sctp_ifnp)\n{\n\tif (SCTP_DECREMENT_AND_CHECK_REFCOUNT(&sctp_ifnp->refcount)) {\n\t\t/* We zero'd the count */\n\t\tif (sctp_ifnp->vrf) {\n\t\t\tsctp_free_vrf(sctp_ifnp->vrf);\n\t\t}\n\t\tSCTP_FREE(sctp_ifnp, SCTP_M_IFN);\n\t\tatomic_subtract_int(&SCTP_BASE_INFO(ipi_count_ifns), 1);\n\t}\n}","\nvoid\nsctp_update_ifn_mtu(uint32_t ifn_index, uint32_t mtu)\n{\n\tstruct sctp_ifn *sctp_ifnp;","\tsctp_ifnp = sctp_find_ifn((void *)NULL, ifn_index);\n\tif (sctp_ifnp != NULL) {\n\t\tsctp_ifnp->ifn_mtu = mtu;\n\t}\n}","\nvoid\nsctp_free_ifa(struct sctp_ifa *sctp_ifap)\n{\n\tif (SCTP_DECREMENT_AND_CHECK_REFCOUNT(&sctp_ifap->refcount)) {\n\t\t/* We zero'd the count */\n\t\tif (sctp_ifap->ifn_p) {\n\t\t\tsctp_free_ifn(sctp_ifap->ifn_p);\n\t\t}\n\t\tSCTP_FREE(sctp_ifap, SCTP_M_IFA);\n\t\tatomic_subtract_int(&SCTP_BASE_INFO(ipi_count_ifas), 1);\n\t}\n}","\nstatic void\nsctp_delete_ifn(struct sctp_ifn *sctp_ifnp, int hold_addr_lock)\n{\n\tstruct sctp_ifn *found;","\tfound = sctp_find_ifn(sctp_ifnp->ifn_p, sctp_ifnp->ifn_index);\n\tif (found == NULL) {\n\t\t/* Not in the list.. sorry */\n\t\treturn;\n\t}\n\tif (hold_addr_lock == 0)\n\t\tSCTP_IPI_ADDR_WLOCK();\n\tLIST_REMOVE(sctp_ifnp, next_bucket);\n\tLIST_REMOVE(sctp_ifnp, next_ifn);\n\tSCTP_DEREGISTER_INTERFACE(sctp_ifnp->ifn_index,\n\t\t\t\t sctp_ifnp->registered_af);\n\tif (hold_addr_lock == 0)\n\t\tSCTP_IPI_ADDR_WUNLOCK();\n\t/* Take away the reference, and possibly free it */\n\tsctp_free_ifn(sctp_ifnp);\n}","\nvoid\nsctp_mark_ifa_addr_down(uint32_t vrf_id, struct sockaddr *addr,\n\t\t\tconst char *if_name, uint32_t ifn_index)\n{\n\tstruct sctp_vrf *vrf;\n\tstruct sctp_ifa *sctp_ifap;","\tSCTP_IPI_ADDR_RLOCK();\n\tvrf = sctp_find_vrf(vrf_id);\n\tif (vrf == NULL) {\n\t\tSCTPDBG(SCTP_DEBUG_PCB4, \"Can't find vrf_id 0x%x\\n\", vrf_id);\n\t\tgoto out;","\t}\n\tsctp_ifap = sctp_find_ifa_by_addr(addr, vrf->vrf_id, SCTP_ADDR_LOCKED);\n\tif (sctp_ifap == NULL) {\n\t\tSCTPDBG(SCTP_DEBUG_PCB4, \"Can't find sctp_ifap for address\\n\");\n\t\tgoto out;\n\t}\n\tif (sctp_ifap->ifn_p == NULL) {\n\t\tSCTPDBG(SCTP_DEBUG_PCB4, \"IFA has no IFN - can't mark unusable\\n\");\n\t\tgoto out;\n\t}\n\tif (if_name) {\n\t\tif (strncmp(if_name, sctp_ifap->ifn_p->ifn_name, SCTP_IFNAMSIZ) != 0) {\n\t\t\tSCTPDBG(SCTP_DEBUG_PCB4, \"IFN %s of IFA not the same as %s\\n\",\n\t\t\t\tsctp_ifap->ifn_p->ifn_name, if_name);\n\t\t\tgoto out;\n\t\t}\n\t} else {\n\t\tif (sctp_ifap->ifn_p->ifn_index != ifn_index) {\n\t\t\tSCTPDBG(SCTP_DEBUG_PCB4, \"IFA owned by ifn_index:%d down command for ifn_index:%d - ignored\\n\",\n\t\t\t\tsctp_ifap->ifn_p->ifn_index, ifn_index);\n\t\t\tgoto out;\n\t\t}\n\t}","\tsctp_ifap->localifa_flags &= (~SCTP_ADDR_VALID);\n\tsctp_ifap->localifa_flags |= SCTP_ADDR_IFA_UNUSEABLE;\n out:\n\tSCTP_IPI_ADDR_RUNLOCK();\n}","\nvoid\nsctp_mark_ifa_addr_up(uint32_t vrf_id, struct sockaddr *addr,\n\t\t const char *if_name, uint32_t ifn_index)\n{\n\tstruct sctp_vrf *vrf;\n\tstruct sctp_ifa *sctp_ifap;","\tSCTP_IPI_ADDR_RLOCK();\n\tvrf = sctp_find_vrf(vrf_id);\n\tif (vrf == NULL) {\n\t\tSCTPDBG(SCTP_DEBUG_PCB4, \"Can't find vrf_id 0x%x\\n\", vrf_id);\n\t\tgoto out;","\t}\n\tsctp_ifap = sctp_find_ifa_by_addr(addr, vrf->vrf_id, SCTP_ADDR_LOCKED);\n\tif (sctp_ifap == NULL) {\n\t\tSCTPDBG(SCTP_DEBUG_PCB4, \"Can't find sctp_ifap for address\\n\");\n\t\tgoto out;\n\t}\n\tif (sctp_ifap->ifn_p == NULL) {\n\t\tSCTPDBG(SCTP_DEBUG_PCB4, \"IFA has no IFN - can't mark unusable\\n\");\n\t\tgoto out;\n\t}\n\tif (if_name) {\n\t\tif (strncmp(if_name, sctp_ifap->ifn_p->ifn_name, SCTP_IFNAMSIZ) != 0) {\n\t\t\tSCTPDBG(SCTP_DEBUG_PCB4, \"IFN %s of IFA not the same as %s\\n\",\n\t\t\t\tsctp_ifap->ifn_p->ifn_name, if_name);\n\t\t\tgoto out;\n\t\t}\n\t} else {\n\t\tif (sctp_ifap->ifn_p->ifn_index != ifn_index) {\n\t\t\tSCTPDBG(SCTP_DEBUG_PCB4, \"IFA owned by ifn_index:%d down command for ifn_index:%d - ignored\\n\",\n\t\t\t\tsctp_ifap->ifn_p->ifn_index, ifn_index);\n\t\t\tgoto out;\n\t\t}\n\t}","\tsctp_ifap->localifa_flags &= (~SCTP_ADDR_IFA_UNUSEABLE);\n\tsctp_ifap->localifa_flags |= SCTP_ADDR_VALID;\n out:\n\tSCTP_IPI_ADDR_RUNLOCK();\n}","\n/*-\n * Add an ifa to an ifn.\n * Register the interface as necessary.\n * NOTE: ADDR write lock MUST be held.\n */\nstatic void\nsctp_add_ifa_to_ifn(struct sctp_ifn *sctp_ifnp, struct sctp_ifa *sctp_ifap)\n{\n\tint ifa_af;","\tLIST_INSERT_HEAD(&sctp_ifnp->ifalist, sctp_ifap, next_ifa);\n\tsctp_ifap->ifn_p = sctp_ifnp;\n\tatomic_add_int(&sctp_ifap->ifn_p->refcount, 1);\n\t/* update address counts */\n\tsctp_ifnp->ifa_count++;\n\tifa_af = sctp_ifap->address.sa.sa_family;\n\tswitch (ifa_af) {\n#ifdef INET\n\tcase AF_INET:\n\t\tsctp_ifnp->num_v4++;\n\t\tbreak;\n#endif\n#ifdef INET6\n\tcase AF_INET6:\n\t\tsctp_ifnp->num_v6++;\n\t\tbreak;\n#endif\n\tdefault:\n\t\tbreak;\n\t}\n\tif (sctp_ifnp->ifa_count == 1) {\n\t\t/* register the new interface */\n\t\tSCTP_REGISTER_INTERFACE(sctp_ifnp->ifn_index, ifa_af);\n\t\tsctp_ifnp->registered_af = ifa_af;\n\t}\n}","\n/*-\n * Remove an ifa from its ifn.\n * If no more addresses exist, remove the ifn too. Otherwise, re-register\n * the interface based on the remaining address families left.\n * NOTE: ADDR write lock MUST be held.\n */\nstatic void\nsctp_remove_ifa_from_ifn(struct sctp_ifa *sctp_ifap)\n{\n\tLIST_REMOVE(sctp_ifap, next_ifa);\n\tif (sctp_ifap->ifn_p) {\n\t\t/* update address counts */\n\t\tsctp_ifap->ifn_p->ifa_count--;\n\t\tswitch (sctp_ifap->address.sa.sa_family) {\n#ifdef INET\n\t\tcase AF_INET:\n\t\t\tsctp_ifap->ifn_p->num_v4--;\n\t\t\tbreak;\n#endif\n#ifdef INET6\n\t\tcase AF_INET6:\n\t\t\tsctp_ifap->ifn_p->num_v6--;\n\t\t\tbreak;\n#endif\n\t\tdefault:\n\t\t\tbreak;\n\t\t}","\t\tif (LIST_EMPTY(&sctp_ifap->ifn_p->ifalist)) {\n\t\t\t/* remove the ifn, possibly freeing it */\n\t\t\tsctp_delete_ifn(sctp_ifap->ifn_p, SCTP_ADDR_LOCKED);\n\t\t} else {\n\t\t\t/* re-register address family type, if needed */\n\t\t\tif ((sctp_ifap->ifn_p->num_v6 == 0) &&\n\t\t\t (sctp_ifap->ifn_p->registered_af == AF_INET6)) {\n\t\t\t\tSCTP_DEREGISTER_INTERFACE(sctp_ifap->ifn_p->ifn_index, AF_INET6);\n\t\t\t\tSCTP_REGISTER_INTERFACE(sctp_ifap->ifn_p->ifn_index, AF_INET);\n\t\t\t\tsctp_ifap->ifn_p->registered_af = AF_INET;\n\t\t\t} else if ((sctp_ifap->ifn_p->num_v4 == 0) &&\n\t\t\t\t (sctp_ifap->ifn_p->registered_af == AF_INET)) {\n\t\t\t\tSCTP_DEREGISTER_INTERFACE(sctp_ifap->ifn_p->ifn_index, AF_INET);\n\t\t\t\tSCTP_REGISTER_INTERFACE(sctp_ifap->ifn_p->ifn_index, AF_INET6);\n\t\t\t\tsctp_ifap->ifn_p->registered_af = AF_INET6;\n\t\t\t}\n\t\t\t/* free the ifn refcount */\n\t\t\tsctp_free_ifn(sctp_ifap->ifn_p);\n\t\t}\n\t\tsctp_ifap->ifn_p = NULL;\n\t}\n}","\nstruct sctp_ifa *\nsctp_add_addr_to_vrf(uint32_t vrf_id, void *ifn, uint32_t ifn_index,\n\t\t uint32_t ifn_type, const char *if_name, void *ifa,\n\t\t struct sockaddr *addr, uint32_t ifa_flags,\n\t\t int dynamic_add)\n{\n\tstruct sctp_vrf *vrf;\n\tstruct sctp_ifn *sctp_ifnp = NULL;\n\tstruct sctp_ifa *sctp_ifap = NULL;\n\tstruct sctp_ifalist *hash_addr_head;\n\tstruct sctp_ifnlist *hash_ifn_head;\n\tuint32_t hash_of_addr;\n\tint new_ifn_af = 0;","#ifdef SCTP_DEBUG\n\tSCTPDBG(SCTP_DEBUG_PCB4, \"vrf_id 0x%x: adding address: \", vrf_id);\n\tSCTPDBG_ADDR(SCTP_DEBUG_PCB4, addr);\n#endif\n\tSCTP_IPI_ADDR_WLOCK();\n\tsctp_ifnp = sctp_find_ifn(ifn, ifn_index);\n\tif (sctp_ifnp) {\n\t\tvrf = sctp_ifnp->vrf;\n\t} else {\n\t\tvrf = sctp_find_vrf(vrf_id);\n\t\tif (vrf == NULL) {\n\t\t\tvrf = sctp_allocate_vrf(vrf_id);\n\t\t\tif (vrf == NULL) {\n\t\t\t\tSCTP_IPI_ADDR_WUNLOCK();\n\t\t\t\treturn (NULL);\n\t\t\t}\n\t\t}\n\t}\n\tif (sctp_ifnp == NULL) {\n\t\t/* build one and add it, can't hold lock\n\t\t * until after malloc done though.\n\t\t */\n\t\tSCTP_IPI_ADDR_WUNLOCK();\n\t\tSCTP_MALLOC(sctp_ifnp, struct sctp_ifn *,\n\t\t\t sizeof(struct sctp_ifn), SCTP_M_IFN);\n\t\tif (sctp_ifnp == NULL) {\n#ifdef INVARIANTS\n\t\t\tpanic(\"No memory for IFN\");\n#endif\n\t\t\treturn (NULL);\n\t\t}\n\t\tmemset(sctp_ifnp, 0, sizeof(struct sctp_ifn));\n\t\tsctp_ifnp->ifn_index = ifn_index;\n\t\tsctp_ifnp->ifn_p = ifn;\n\t\tsctp_ifnp->ifn_type = ifn_type;\n\t\tsctp_ifnp->refcount = 0;\n\t\tsctp_ifnp->vrf = vrf;\n\t\tatomic_add_int(&vrf->refcount, 1);\n\t\tsctp_ifnp->ifn_mtu = SCTP_GATHER_MTU_FROM_IFN_INFO(ifn, ifn_index, addr->sa_family);\n\t\tif (if_name != NULL) {\n\t\t\tsnprintf(sctp_ifnp->ifn_name, SCTP_IFNAMSIZ, \"%s\", if_name);\n\t\t} else {\n\t\t\tsnprintf(sctp_ifnp->ifn_name, SCTP_IFNAMSIZ, \"%s\", \"unknown\");\n\t\t}\n\t\thash_ifn_head = &SCTP_BASE_INFO(vrf_ifn_hash)[(ifn_index & SCTP_BASE_INFO(vrf_ifn_hashmark))];\n\t\tLIST_INIT(&sctp_ifnp->ifalist);\n\t\tSCTP_IPI_ADDR_WLOCK();\n\t\tLIST_INSERT_HEAD(hash_ifn_head, sctp_ifnp, next_bucket);\n\t\tLIST_INSERT_HEAD(&vrf->ifnlist, sctp_ifnp, next_ifn);\n\t\tatomic_add_int(&SCTP_BASE_INFO(ipi_count_ifns), 1);\n\t\tnew_ifn_af = 1;\n\t}\n\tsctp_ifap = sctp_find_ifa_by_addr(addr, vrf->vrf_id, SCTP_ADDR_LOCKED);\n\tif (sctp_ifap) {\n\t\t/* Hmm, it already exists? */\n\t\tif ((sctp_ifap->ifn_p) &&\n\t\t (sctp_ifap->ifn_p->ifn_index == ifn_index)) {\n\t\t\tSCTPDBG(SCTP_DEBUG_PCB4, \"Using existing ifn %s (0x%x) for ifa %p\\n\",\n\t\t\t\tsctp_ifap->ifn_p->ifn_name, ifn_index,\n\t\t\t\t(void *)sctp_ifap);\n\t\t\tif (new_ifn_af) {\n\t\t\t\t/* Remove the created one that we don't want */\n\t\t\t\tsctp_delete_ifn(sctp_ifnp, SCTP_ADDR_LOCKED);\n\t\t\t}\n\t\t\tif (sctp_ifap->localifa_flags & SCTP_BEING_DELETED) {\n\t\t\t\t/* easy to solve, just switch back to active */\n\t\t\t\tSCTPDBG(SCTP_DEBUG_PCB4, \"Clearing deleted ifa flag\\n\");\n\t\t\t\tsctp_ifap->localifa_flags = SCTP_ADDR_VALID;\n\t\t\t\tsctp_ifap->ifn_p = sctp_ifnp;\n\t\t\t\tatomic_add_int(&sctp_ifap->ifn_p->refcount, 1);\n\t\t\t}\n\t\texit_stage_left:\n\t\t\tSCTP_IPI_ADDR_WUNLOCK();\n\t\t\treturn (sctp_ifap);\n\t\t} else {\n\t\t\tif (sctp_ifap->ifn_p) {\n\t\t\t\t/*\n\t\t\t\t * The last IFN gets the address, remove the\n\t\t\t\t * old one\n\t\t\t\t */\n\t\t\t\tSCTPDBG(SCTP_DEBUG_PCB4, \"Moving ifa %p from %s (0x%x) to %s (0x%x)\\n\",\n\t\t\t\t\t(void *)sctp_ifap, sctp_ifap->ifn_p->ifn_name,\n\t\t\t\t\tsctp_ifap->ifn_p->ifn_index, if_name,\n\t\t\t\t\tifn_index);\n\t\t\t\t/* remove the address from the old ifn */\n\t\t\t\tsctp_remove_ifa_from_ifn(sctp_ifap);\n\t\t\t\t/* move the address over to the new ifn */\n\t\t\t\tsctp_add_ifa_to_ifn(sctp_ifnp, sctp_ifap);\n\t\t\t\tgoto exit_stage_left;\n\t\t\t} else {\n\t\t\t\t/* repair ifnp which was NULL ? */\n\t\t\t\tsctp_ifap->localifa_flags = SCTP_ADDR_VALID;\n\t\t\t\tSCTPDBG(SCTP_DEBUG_PCB4, \"Repairing ifn %p for ifa %p\\n\",\n\t\t\t\t\t(void *)sctp_ifnp, (void *)sctp_ifap);\n\t\t\t\tsctp_add_ifa_to_ifn(sctp_ifnp, sctp_ifap);\n\t\t\t}\n\t\t\tgoto exit_stage_left;\n\t\t}\n\t}\n\tSCTP_IPI_ADDR_WUNLOCK();\n\tSCTP_MALLOC(sctp_ifap, struct sctp_ifa *, sizeof(struct sctp_ifa), SCTP_M_IFA);\n\tif (sctp_ifap == NULL) {\n#ifdef INVARIANTS\n\t\tpanic(\"No memory for IFA\");\n#endif\n\t\treturn (NULL);\n\t}\n\tmemset(sctp_ifap, 0, sizeof(struct sctp_ifa));\n\tsctp_ifap->ifn_p = sctp_ifnp;\n\tatomic_add_int(&sctp_ifnp->refcount, 1);\n\tsctp_ifap->vrf_id = vrf_id;\n\tsctp_ifap->ifa = ifa;\n#ifdef HAVE_SA_LEN\n\tmemcpy(&sctp_ifap->address, addr, addr->sa_len);\n#else\n\tswitch (addr->sa_family) {\n#ifdef INET\n\tcase AF_INET:\n\t\tmemcpy(&sctp_ifap->address, addr, sizeof(struct sockaddr_in));\n\t\tbreak;\n#endif\n#ifdef INET6\n\tcase AF_INET6:\n\t\tmemcpy(&sctp_ifap->address, addr, sizeof(struct sockaddr_in6));\n\t\tbreak;\n#endif\n#if defined(__Userspace__)\n\tcase AF_CONN:\n\t\tmemcpy(&sctp_ifap->address, addr, sizeof(struct sockaddr_conn));\n\t\tbreak;\n#endif\n\tdefault:\n\t\t/* TSNH */\n\t\tbreak;\n\t}\n#endif\n\tsctp_ifap->localifa_flags = SCTP_ADDR_VALID | SCTP_ADDR_DEFER_USE;\n\tsctp_ifap->flags = ifa_flags;\n\t/* Set scope */\n\tswitch (sctp_ifap->address.sa.sa_family) {\n#ifdef INET\n\tcase AF_INET:\n\t{\n\t\tstruct sockaddr_in *sin;","\t\tsin = &sctp_ifap->address.sin;\n\t\tif (SCTP_IFN_IS_IFT_LOOP(sctp_ifap->ifn_p) ||\n\t\t (IN4_ISLOOPBACK_ADDRESS(&sin->sin_addr))) {\n\t\t\tsctp_ifap->src_is_loop = 1;\n\t\t}\n\t\tif ((IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) {\n\t\t\tsctp_ifap->src_is_priv = 1;\n\t\t}\n\t\tsctp_ifnp->num_v4++;\n\t\tif (new_ifn_af)\n\t\t new_ifn_af = AF_INET;\n\t\tbreak;\n\t}\n#endif\n#ifdef INET6\n\tcase AF_INET6:\n\t{\n\t\t/* ok to use deprecated addresses? */\n\t\tstruct sockaddr_in6 *sin6;","\t\tsin6 = &sctp_ifap->address.sin6;\n\t\tif (SCTP_IFN_IS_IFT_LOOP(sctp_ifap->ifn_p) ||\n\t\t (IN6_IS_ADDR_LOOPBACK(&sin6->sin6_addr))) {\n\t\t\tsctp_ifap->src_is_loop = 1;\n\t\t}\n\t\tif (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {\n\t\t\tsctp_ifap->src_is_priv = 1;\n\t\t}\n\t\tsctp_ifnp->num_v6++;\n\t\tif (new_ifn_af)\n\t\t\tnew_ifn_af = AF_INET6;\n\t\tbreak;\n\t}\n#endif\n#if defined(__Userspace__)\n\tcase AF_CONN:\n\t\tif (new_ifn_af)\n\t\t\tnew_ifn_af = AF_CONN;\n\t\tbreak;\n#endif\n\tdefault:\n\t\tnew_ifn_af = 0;\n\t\tbreak;\n\t}\n\thash_of_addr = sctp_get_ifa_hash_val(&sctp_ifap->address.sa);","\tif ((sctp_ifap->src_is_priv == 0) &&\n\t (sctp_ifap->src_is_loop == 0)) {\n\t\tsctp_ifap->src_is_glob = 1;\n\t}\n\tSCTP_IPI_ADDR_WLOCK();\n\thash_addr_head = &vrf->vrf_addr_hash[(hash_of_addr & vrf->vrf_addr_hashmark)];\n\tLIST_INSERT_HEAD(hash_addr_head, sctp_ifap, next_bucket);\n\tsctp_ifap->refcount = 1;\n\tLIST_INSERT_HEAD(&sctp_ifnp->ifalist, sctp_ifap, next_ifa);\n\tsctp_ifnp->ifa_count++;\n\tvrf->total_ifa_count++;\n\tatomic_add_int(&SCTP_BASE_INFO(ipi_count_ifas), 1);\n\tif (new_ifn_af) {\n\t\tSCTP_REGISTER_INTERFACE(ifn_index, new_ifn_af);\n\t\tsctp_ifnp->registered_af = new_ifn_af;\n\t}\n\tSCTP_IPI_ADDR_WUNLOCK();\n\tif (dynamic_add) {\n\t\t/* Bump up the refcount so that when the timer\n\t\t * completes it will drop back down.\n\t\t */\n\t\tstruct sctp_laddr *wi;","\t\tatomic_add_int(&sctp_ifap->refcount, 1);\n\t\twi = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_laddr), struct sctp_laddr);\n\t\tif (wi == NULL) {\n\t\t\t/*\n\t\t\t * Gak, what can we do? We have lost an address\n\t\t\t * change can you say HOSED?\n\t\t\t */\n\t\t\tSCTPDBG(SCTP_DEBUG_PCB4, \"Lost an address change?\\n\");\n\t\t\t/* Opps, must decrement the count */\n\t\t\tsctp_del_addr_from_vrf(vrf_id, addr, ifn_index,\n\t\t\t\t\t if_name);\n\t\t\treturn (NULL);\n\t\t}\n\t\tSCTP_INCR_LADDR_COUNT();\n\t\tmemset(wi, 0, sizeof(*wi));\n\t\t(void)SCTP_GETTIME_TIMEVAL(&wi->start_time);\n\t\twi->ifa = sctp_ifap;\n\t\twi->action = SCTP_ADD_IP_ADDRESS;","\t\tSCTP_WQ_ADDR_LOCK();\n\t\tLIST_INSERT_HEAD(&SCTP_BASE_INFO(addr_wq), wi, sctp_nxt_addr);\n\t\tsctp_timer_start(SCTP_TIMER_TYPE_ADDR_WQ,\n\t\t\t\t (struct sctp_inpcb *)NULL,\n\t\t\t\t (struct sctp_tcb *)NULL,\n\t\t\t\t (struct sctp_nets *)NULL);\n\t\tSCTP_WQ_ADDR_UNLOCK();\n\t} else {\n\t\t/* it's ready for use */\n\t\tsctp_ifap->localifa_flags &= ~SCTP_ADDR_DEFER_USE;\n\t}\n\treturn (sctp_ifap);\n}","void\nsctp_del_addr_from_vrf(uint32_t vrf_id, struct sockaddr *addr,\n\t\t uint32_t ifn_index, const char *if_name)\n{\n\tstruct sctp_vrf *vrf;\n\tstruct sctp_ifa *sctp_ifap = NULL;","\tSCTP_IPI_ADDR_WLOCK();\n\tvrf = sctp_find_vrf(vrf_id);\n\tif (vrf == NULL) {\n\t\tSCTPDBG(SCTP_DEBUG_PCB4, \"Can't find vrf_id 0x%x\\n\", vrf_id);\n\t\tgoto out_now;\n\t}","#ifdef SCTP_DEBUG\n\tSCTPDBG(SCTP_DEBUG_PCB4, \"vrf_id 0x%x: deleting address:\", vrf_id);\n\tSCTPDBG_ADDR(SCTP_DEBUG_PCB4, addr);\n#endif\n\tsctp_ifap = sctp_find_ifa_by_addr(addr, vrf->vrf_id, SCTP_ADDR_LOCKED);\n\tif (sctp_ifap) {\n\t\t/* Validate the delete */\n\t\tif (sctp_ifap->ifn_p) {\n\t\t\tint valid = 0;\n\t\t\t/*-\n\t\t\t * The name has priority over the ifn_index\n\t\t\t * if its given. We do this especially for\n\t\t\t * panda who might recycle indexes fast.\n\t\t\t */\n\t\t\tif (if_name) {\n\t\t\t\tif (strncmp(if_name, sctp_ifap->ifn_p->ifn_name, SCTP_IFNAMSIZ) == 0) {\n\t\t\t\t\t/* They match its a correct delete */\n\t\t\t\t\tvalid = 1;\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (!valid) {\n\t\t\t\t/* last ditch check ifn_index */\n\t\t\t\tif (ifn_index == sctp_ifap->ifn_p->ifn_index) {\n\t\t\t\t\tvalid = 1;\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (!valid) {\n\t\t\t\tSCTPDBG(SCTP_DEBUG_PCB4, \"ifn:%d ifname:%s does not match addresses\\n\",\n\t\t\t\t\tifn_index, ((if_name == NULL) ? \"NULL\" : if_name));\n\t\t\t\tSCTPDBG(SCTP_DEBUG_PCB4, \"ifn:%d ifname:%s - ignoring delete\\n\",\n\t\t\t\t\tsctp_ifap->ifn_p->ifn_index, sctp_ifap->ifn_p->ifn_name);\n\t\t\t\tSCTP_IPI_ADDR_WUNLOCK();\n\t\t\t\treturn;\n\t\t\t}\n\t\t}\n\t\tSCTPDBG(SCTP_DEBUG_PCB4, \"Deleting ifa %p\\n\", (void *)sctp_ifap);\n\t\tsctp_ifap->localifa_flags &= SCTP_ADDR_VALID;\n /*\n\t\t * We don't set the flag. This means that the structure will\n\t\t * hang around in EP's that have bound specific to it until\n\t\t * they close. This gives us TCP like behavior if someone\n\t\t * removes an address (or for that matter adds it right back).\n\t\t */\n\t\t/* sctp_ifap->localifa_flags |= SCTP_BEING_DELETED; */\n\t\tvrf->total_ifa_count--;\n\t\tLIST_REMOVE(sctp_ifap, next_bucket);\n\t\tsctp_remove_ifa_from_ifn(sctp_ifap);\n\t}\n#ifdef SCTP_DEBUG\n\telse {\n\t\tSCTPDBG(SCTP_DEBUG_PCB4, \"Del Addr-ifn:%d Could not find address:\",\n\t\t\tifn_index);\n\t\tSCTPDBG_ADDR(SCTP_DEBUG_PCB1, addr);\n\t}\n#endif"," out_now:\n\tSCTP_IPI_ADDR_WUNLOCK();\n\tif (sctp_ifap) {\n\t\tstruct sctp_laddr *wi;","\t\twi = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_laddr), struct sctp_laddr);\n\t\tif (wi == NULL) {\n\t\t\t/*\n\t\t\t * Gak, what can we do? We have lost an address\n\t\t\t * change can you say HOSED?\n\t\t\t */\n\t\t\tSCTPDBG(SCTP_DEBUG_PCB4, \"Lost an address change?\\n\");","\t\t\t/* Oops, must decrement the count */\n\t\t\tsctp_free_ifa(sctp_ifap);\n\t\t\treturn;\n\t\t}\n\t\tSCTP_INCR_LADDR_COUNT();\n\t\tmemset(wi, 0, sizeof(*wi));\n\t\t(void)SCTP_GETTIME_TIMEVAL(&wi->start_time);\n\t\twi->ifa = sctp_ifap;\n\t\twi->action = SCTP_DEL_IP_ADDRESS;\n\t\tSCTP_WQ_ADDR_LOCK();\n\t\t/*\n\t\t * Should this really be a tailq? As it is we will process the\n\t\t * newest first :-0\n\t\t */\n\t\tLIST_INSERT_HEAD(&SCTP_BASE_INFO(addr_wq), wi, sctp_nxt_addr);\n\t\tsctp_timer_start(SCTP_TIMER_TYPE_ADDR_WQ,\n\t\t\t\t (struct sctp_inpcb *)NULL,\n\t\t\t\t (struct sctp_tcb *)NULL,\n\t\t\t\t (struct sctp_nets *)NULL);\n\t\tSCTP_WQ_ADDR_UNLOCK();\n\t}\n\treturn;\n}","\nstatic int\nsctp_does_stcb_own_this_addr(struct sctp_tcb *stcb, struct sockaddr *to)\n{\n\tint loopback_scope;\n#if defined(INET)\n\tint ipv4_local_scope, ipv4_addr_legal;\n#endif\n#if defined(INET6)\n\tint local_scope, site_scope, ipv6_addr_legal;\n#endif\n#if defined(__Userspace__)\n\tint conn_addr_legal;\n#endif\n\tstruct sctp_vrf *vrf;\n\tstruct sctp_ifn *sctp_ifn;\n\tstruct sctp_ifa *sctp_ifa;","\tloopback_scope = stcb->asoc.scope.loopback_scope;\n#if defined(INET)\n\tipv4_local_scope = stcb->asoc.scope.ipv4_local_scope;\n\tipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal;\n#endif\n#if defined(INET6)\n\tlocal_scope = stcb->asoc.scope.local_scope;\n\tsite_scope = stcb->asoc.scope.site_scope;\n\tipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal;\n#endif\n#if defined(__Userspace__)\n\tconn_addr_legal = stcb->asoc.scope.conn_addr_legal;\n#endif","\tSCTP_IPI_ADDR_RLOCK();\n\tvrf = sctp_find_vrf(stcb->asoc.vrf_id);\n\tif (vrf == NULL) {\n\t\t/* no vrf, no addresses */\n\t\tSCTP_IPI_ADDR_RUNLOCK();\n\t\treturn (0);\n\t}","\tif (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {\n\t\tLIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) {\n\t\t\tif ((loopback_scope == 0) &&\n\t\t\t SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) {\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tLIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) {\n\t\t\t\tif (sctp_is_addr_restricted(stcb, sctp_ifa) &&\n\t\t\t\t (!sctp_is_addr_pending(stcb, sctp_ifa))) {\n\t\t\t\t\t/* We allow pending addresses, where we\n\t\t\t\t\t * have sent an asconf-add to be considered\n\t\t\t\t\t * valid.\n\t\t\t\t\t */\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n\t\t\t\tif (sctp_ifa->address.sa.sa_family != to->sa_family) {\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n\t\t\t\tswitch (sctp_ifa->address.sa.sa_family) {\n#ifdef INET\n\t\t\t\tcase AF_INET:\n\t\t\t\t\tif (ipv4_addr_legal) {\n\t\t\t\t\t\tstruct sockaddr_in *sin, *rsin;","\t\t\t\t\t\tsin = &sctp_ifa->address.sin;\n\t\t\t\t\t\trsin = (struct sockaddr_in *)to;\n\t\t\t\t\t\tif ((ipv4_local_scope == 0) &&\n\t\t\t\t\t\t IN4_ISPRIVATE_ADDRESS(&sin->sin_addr)) {\n\t\t\t\t\t\t\tcontinue;\n\t\t\t\t\t\t}\n#if defined(__FreeBSD__)\n\t\t\t\t\t\tif (prison_check_ip4(stcb->sctp_ep->ip_inp.inp.inp_cred,\n\t\t\t\t\t\t &sin->sin_addr) != 0) {\n\t\t\t\t\t\t\tcontinue;\n\t\t\t\t\t\t}\n#endif\n\t\t\t\t\t\tif (sin->sin_addr.s_addr == rsin->sin_addr.s_addr) {\n\t\t\t\t\t\t\tSCTP_IPI_ADDR_RUNLOCK();\n\t\t\t\t\t\t\treturn (1);\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t\tbreak;\n#endif\n#ifdef INET6\n\t\t\t\tcase AF_INET6:\n\t\t\t\t\tif (ipv6_addr_legal) {\n\t\t\t\t\t\tstruct sockaddr_in6 *sin6, *rsin6;\n#if defined(SCTP_EMBEDDED_V6_SCOPE) && !defined(SCTP_KAME)\n\t\t\t\t\t\tstruct sockaddr_in6 lsa6;\n#endif\n\t\t\t\t\t\tsin6 = &sctp_ifa->address.sin6;\n\t\t\t\t\t\trsin6 = (struct sockaddr_in6 *)to;\n#if defined(__FreeBSD__)\n\t\t\t\t\t\tif (prison_check_ip6(stcb->sctp_ep->ip_inp.inp.inp_cred,\n\t\t\t\t\t\t &sin6->sin6_addr) != 0) {\n\t\t\t\t\t\t\tcontinue;\n\t\t\t\t\t\t}\n#endif\n\t\t\t\t\t\tif (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {\n\t\t\t\t\t\t\tif (local_scope == 0)\n\t\t\t\t\t\t\t\tcontinue;\n#if defined(SCTP_EMBEDDED_V6_SCOPE)\n\t\t\t\t\t\t\tif (sin6->sin6_scope_id == 0) {\n#ifdef SCTP_KAME\n\t\t\t\t\t\t\t\tif (sa6_recoverscope(sin6) != 0)\n\t\t\t\t\t\t\t\t\tcontinue;\n#else\n\t\t\t\t\t\t\t\tlsa6 = *sin6;\n\t\t\t\t\t\t\t\tif (in6_recoverscope(&lsa6,\n\t\t\t\t\t\t\t\t &lsa6.sin6_addr,\n\t\t\t\t\t\t\t\t NULL))\n\t\t\t\t\t\t\t\t\tcontinue;\n\t\t\t\t\t\t\t\tsin6 = &lsa6;\n#endif /* SCTP_KAME */\n\t\t\t\t\t\t\t}\n#endif /* SCTP_EMBEDDED_V6_SCOPE */\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ((site_scope == 0) &&\n\t\t\t\t\t\t (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) {\n\t\t\t\t\t\t\tcontinue;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif (SCTP6_ARE_ADDR_EQUAL(sin6, rsin6)) {\n\t\t\t\t\t\t\tSCTP_IPI_ADDR_RUNLOCK();\n\t\t\t\t\t\t\treturn (1);\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t\tbreak;\n#endif\n#if defined(__Userspace__)\n\t\t\t\tcase AF_CONN:\n\t\t\t\t\tif (conn_addr_legal) {\n\t\t\t\t\t\tstruct sockaddr_conn *sconn, *rsconn;","\t\t\t\t\t\tsconn = &sctp_ifa->address.sconn;\n\t\t\t\t\t\trsconn = (struct sockaddr_conn *)to;\n\t\t\t\t\t\tif (sconn->sconn_addr == rsconn->sconn_addr) {\n\t\t\t\t\t\t\tSCTP_IPI_ADDR_RUNLOCK();\n\t\t\t\t\t\t\treturn (1);\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t\tbreak;\n#endif\n\t\t\t\tdefault:\n\t\t\t\t\t/* TSNH */\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t} else {\n\t\tstruct sctp_laddr *laddr;","\t\tLIST_FOREACH(laddr, &stcb->sctp_ep->sctp_addr_list, sctp_nxt_addr) {\n\t\t\tif (laddr->ifa->localifa_flags & SCTP_BEING_DELETED) {\n\t\t\t\tSCTPDBG(SCTP_DEBUG_PCB1, \"ifa being deleted\\n\");\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tif (sctp_is_addr_restricted(stcb, laddr->ifa) &&\n\t\t\t (!sctp_is_addr_pending(stcb, laddr->ifa))) {\n\t\t\t\t/* We allow pending addresses, where we\n\t\t\t\t * have sent an asconf-add to be considered\n\t\t\t\t * valid.\n\t\t\t\t */\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tif (laddr->ifa->address.sa.sa_family != to->sa_family) {\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tswitch (to->sa_family) {\n#ifdef INET\n\t\t\tcase AF_INET:\n\t\t\t{\n\t\t\t\tstruct sockaddr_in *sin, *rsin;","\t\t\t\tsin = &laddr->ifa->address.sin;\n\t\t\t\trsin = (struct sockaddr_in *)to;\n\t\t\t\tif (sin->sin_addr.s_addr == rsin->sin_addr.s_addr) {\n\t\t\t\t\tSCTP_IPI_ADDR_RUNLOCK();\n\t\t\t\t\treturn (1);\n\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\t}\n#endif\n#ifdef INET6\n\t\t\tcase AF_INET6:\n\t\t\t{\n\t\t\t\tstruct sockaddr_in6 *sin6, *rsin6;","\t\t\t\tsin6 = &laddr->ifa->address.sin6;\n\t\t\t\trsin6 = (struct sockaddr_in6 *)to;\n\t\t\t\tif (SCTP6_ARE_ADDR_EQUAL(sin6, rsin6)) {\n\t\t\t\t\tSCTP_IPI_ADDR_RUNLOCK();\n\t\t\t\t\treturn (1);\n\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\t}","#endif\n#if defined(__Userspace__)\n\t\t\tcase AF_CONN:\n\t\t\t{\n\t\t\t\tstruct sockaddr_conn *sconn, *rsconn;","\t\t\t\tsconn = &laddr->ifa->address.sconn;\n\t\t\t\trsconn = (struct sockaddr_conn *)to;\n\t\t\t\tif (sconn->sconn_addr == rsconn->sconn_addr) {\n\t\t\t\t\tSCTP_IPI_ADDR_RUNLOCK();\n\t\t\t\t\treturn (1);\n\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\t}\n#endif\n\t\t\tdefault:\n\t\t\t\t/* TSNH */\n\t\t\t\tbreak;\n\t\t\t}","\t\t}\n\t}\n\tSCTP_IPI_ADDR_RUNLOCK();\n\treturn (0);\n}","\nstatic struct sctp_tcb *\nsctp_tcb_special_locate(struct sctp_inpcb **inp_p, struct sockaddr *from,\n struct sockaddr *to, struct sctp_nets **netp, uint32_t vrf_id)\n{\n\t/**** ASSUMES THE CALLER holds the INP_INFO_RLOCK */\n\t/*\n\t * If we support the TCP model, then we must now dig through to see\n\t * if we can find our endpoint in the list of tcp ep's.\n\t */\n\tuint16_t lport, rport;\n\tstruct sctppcbhead *ephead;\n\tstruct sctp_inpcb *inp;\n\tstruct sctp_laddr *laddr;\n\tstruct sctp_tcb *stcb;\n\tstruct sctp_nets *net;\n#ifdef SCTP_MVRF\n\tint fnd, i;\n#endif","\tif ((to == NULL) || (from == NULL)) {\n\t\treturn (NULL);\n\t}","\tswitch (to->sa_family) {\n#ifdef INET\n\tcase AF_INET:\n\t\tif (from->sa_family == AF_INET) {\n\t\t\tlport = ((struct sockaddr_in *)to)->sin_port;\n\t\t\trport = ((struct sockaddr_in *)from)->sin_port;\n\t\t} else {\n\t\t\treturn (NULL);\n\t\t}\n\t\tbreak;\n#endif\n#ifdef INET6\n\tcase AF_INET6:\n\t\tif (from->sa_family == AF_INET6) {\n\t\t\tlport = ((struct sockaddr_in6 *)to)->sin6_port;\n\t\t\trport = ((struct sockaddr_in6 *)from)->sin6_port;\n\t\t} else {\n\t\t\treturn (NULL);\n\t\t}\n\t\tbreak;\n#endif\n#if defined(__Userspace__)\n\tcase AF_CONN:\n\t\tif (from->sa_family == AF_CONN) {\n\t\t\tlport = ((struct sockaddr_conn *)to)->sconn_port;\n\t\t\trport = ((struct sockaddr_conn *)from)->sconn_port;\n\t\t} else {\n\t\t\treturn (NULL);\n\t\t}\n\t\tbreak;\n#endif\n\tdefault:\n\t\treturn (NULL);\n\t}\n\tephead = &SCTP_BASE_INFO(sctp_tcpephash)[SCTP_PCBHASH_ALLADDR((lport | rport), SCTP_BASE_INFO(hashtcpmark))];\n\t/*\n\t * Ok now for each of the guys in this bucket we must look and see:\n\t * - Does the remote port match. - Does there single association's\n\t * addresses match this address (to). If so we update p_ep to point\n\t * to this ep and return the tcb from it.\n\t */\n\tLIST_FOREACH(inp, ephead, sctp_hash) {\n\t\tSCTP_INP_RLOCK(inp);\n\t\tif (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {\n\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\tcontinue;\n\t\t}\n\t\tif (lport != inp->sctp_lport) {\n\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\tcontinue;\n\t\t}\n#if defined(__FreeBSD__)\n\t\tswitch (to->sa_family) {\n#ifdef INET\n\t\tcase AF_INET:\n\t\t{\n\t\t\tstruct sockaddr_in *sin;","\t\t\tsin = (struct sockaddr_in *)to;\n\t\t\tif (prison_check_ip4(inp->ip_inp.inp.inp_cred,\n\t\t\t &sin->sin_addr) != 0) {\n\t\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tbreak;\n\t\t}\n#endif\n#ifdef INET6\n\t\tcase AF_INET6:\n\t\t{\n\t\t\tstruct sockaddr_in6 *sin6;","\t\t\tsin6 = (struct sockaddr_in6 *)to;\n\t\t\tif (prison_check_ip6(inp->ip_inp.inp.inp_cred,\n\t\t\t &sin6->sin6_addr) != 0) {\n\t\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tbreak;\n\t\t}\n#endif\n\t\tdefault:\n\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\tcontinue;\n\t\t}\n#endif\n#ifdef SCTP_MVRF\n\t\tfnd = 0;\n\t\tfor (i = 0; i < inp->num_vrfs; i++) {\n\t\t\tif (inp->m_vrf_ids[i] == vrf_id) {\n\t\t\t\tfnd = 1;\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\t\tif (fnd == 0) {\n\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\tcontinue;\n\t\t}\n#else\n\t\tif (inp->def_vrf_id != vrf_id) {\n\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\tcontinue;\n\t\t}\n#endif\n\t\t/* check to see if the ep has one of the addresses */\n\t\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) {\n\t\t\t/* We are NOT bound all, so look further */\n\t\t\tint match = 0;","\t\t\tLIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {","\t\t\t\tif (laddr->ifa == NULL) {\n\t\t\t\t\tSCTPDBG(SCTP_DEBUG_PCB1, \"%s: NULL ifa\\n\", __func__);\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n\t\t\t\tif (laddr->ifa->localifa_flags & SCTP_BEING_DELETED) {\n\t\t\t\t\tSCTPDBG(SCTP_DEBUG_PCB1, \"ifa being deleted\\n\");\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n\t\t\t\tif (laddr->ifa->address.sa.sa_family ==\n\t\t\t\t to->sa_family) {\n\t\t\t\t\t/* see if it matches */\n#ifdef INET\n\t\t\t\t\tif (from->sa_family == AF_INET) {\n\t\t\t\t\t\tstruct sockaddr_in *intf_addr, *sin;","\t\t\t\t\t\tintf_addr = &laddr->ifa->address.sin;\n\t\t\t\t\t\tsin = (struct sockaddr_in *)to;\n\t\t\t\t\t\tif (sin->sin_addr.s_addr ==\n\t\t\t\t\t\t intf_addr->sin_addr.s_addr) {\n\t\t\t\t\t\t\tmatch = 1;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n#endif\n#ifdef INET6\n\t\t\t\t\tif (from->sa_family == AF_INET6) {\n\t\t\t\t\t\tstruct sockaddr_in6 *intf_addr6;\n\t\t\t\t\t\tstruct sockaddr_in6 *sin6;","\t\t\t\t\t\tsin6 = (struct sockaddr_in6 *)\n\t\t\t\t\t\t to;\n\t\t\t\t\t\tintf_addr6 = &laddr->ifa->address.sin6;","\t\t\t\t\t\tif (SCTP6_ARE_ADDR_EQUAL(sin6,\n\t\t\t\t\t\t intf_addr6)) {\n\t\t\t\t\t\t\tmatch = 1;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n#endif\n#if defined(__Userspace__)\n\t\t\t\t\tif (from->sa_family == AF_CONN) {\n\t\t\t\t\t\tstruct sockaddr_conn *intf_addr, *sconn;","\t\t\t\t\t\tintf_addr = &laddr->ifa->address.sconn;\n\t\t\t\t\t\tsconn = (struct sockaddr_conn *)to;\n\t\t\t\t\t\tif (sconn->sconn_addr ==\n\t\t\t\t\t\t intf_addr->sconn_addr) {\n\t\t\t\t\t\t\tmatch = 1;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n#endif\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (match == 0) {\n\t\t\t\t/* This endpoint does not have this address */\n\t\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t}\n\t\t/*\n\t\t * Ok if we hit here the ep has the address, does it hold\n\t\t * the tcb?\n\t\t */\n\t\t/* XXX: Why don't we TAILQ_FOREACH through sctp_asoc_list? */\n\t\tstcb = LIST_FIRST(&inp->sctp_asoc_list);\n\t\tif (stcb == NULL) {\n\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\tcontinue;\n\t\t}\n\t\tSCTP_TCB_LOCK(stcb);\n\t\tif (!sctp_does_stcb_own_this_addr(stcb, to)) {\n\t\t\tSCTP_TCB_UNLOCK(stcb);\n\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\tcontinue;\n\t\t}\n\t\tif (stcb->rport != rport) {\n\t\t\t/* remote port does not match. */\n\t\t\tSCTP_TCB_UNLOCK(stcb);\n\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\tcontinue;\n\t\t}\n\t\tif (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {\n\t\t\tSCTP_TCB_UNLOCK(stcb);\n\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\tcontinue;\n\t\t}\n\t\tif (!sctp_does_stcb_own_this_addr(stcb, to)) {\n\t\t\tSCTP_TCB_UNLOCK(stcb);\n\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\tcontinue;\n\t\t}\n\t\t/* Does this TCB have a matching address? */\n\t\tTAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {","\t\t\tif (net->ro._l_addr.sa.sa_family != from->sa_family) {\n\t\t\t\t/* not the same family, can't be a match */\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tswitch (from->sa_family) {\n#ifdef INET\n\t\t\tcase AF_INET:\n\t\t\t{\n\t\t\t\tstruct sockaddr_in *sin, *rsin;","\t\t\t\tsin = (struct sockaddr_in *)&net->ro._l_addr;\n\t\t\t\trsin = (struct sockaddr_in *)from;\n\t\t\t\tif (sin->sin_addr.s_addr ==\n\t\t\t\t rsin->sin_addr.s_addr) {\n\t\t\t\t\t/* found it */\n\t\t\t\t\tif (netp != NULL) {\n\t\t\t\t\t\t*netp = net;\n\t\t\t\t\t}\n\t\t\t\t\t/* Update the endpoint pointer */\n\t\t\t\t\t*inp_p = inp;\n\t\t\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\t\t\treturn (stcb);\n\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\t}\n#endif\n#ifdef INET6\n\t\t\tcase AF_INET6:\n\t\t\t{\n\t\t\t\tstruct sockaddr_in6 *sin6, *rsin6;","\t\t\t\tsin6 = (struct sockaddr_in6 *)&net->ro._l_addr;\n\t\t\t\trsin6 = (struct sockaddr_in6 *)from;\n\t\t\t\tif (SCTP6_ARE_ADDR_EQUAL(sin6,\n\t\t\t\t rsin6)) {\n\t\t\t\t\t/* found it */\n\t\t\t\t\tif (netp != NULL) {\n\t\t\t\t\t\t*netp = net;\n\t\t\t\t\t}\n\t\t\t\t\t/* Update the endpoint pointer */\n\t\t\t\t\t*inp_p = inp;\n\t\t\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\t\t\treturn (stcb);\n\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\t}\n#endif\n#if defined(__Userspace__)\n\t\t\tcase AF_CONN:\n\t\t\t{\n\t\t\t\tstruct sockaddr_conn *sconn, *rsconn;","\t\t\t\tsconn = (struct sockaddr_conn *)&net->ro._l_addr;\n\t\t\t\trsconn = (struct sockaddr_conn *)from;\n\t\t\t\tif (sconn->sconn_addr == rsconn->sconn_addr) {\n\t\t\t\t\t/* found it */\n\t\t\t\t\tif (netp != NULL) {\n\t\t\t\t\t\t*netp = net;\n\t\t\t\t\t}\n\t\t\t\t\t/* Update the endpoint pointer */\n\t\t\t\t\t*inp_p = inp;\n\t\t\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\t\t\treturn (stcb);\n\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\t}\n#endif\n\t\t\tdefault:\n\t\t\t\t/* TSNH */\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\t\tSCTP_TCB_UNLOCK(stcb);\n\t\tSCTP_INP_RUNLOCK(inp);\n\t}\n\treturn (NULL);\n}","\n/*\n * rules for use\n *\n * 1) If I return a NULL you must decrement any INP ref cnt. 2) If I find an\n * stcb, both will be locked (locked_tcb and stcb) but decrement will be done\n * (if locked == NULL). 3) Decrement happens on return ONLY if locked ==\n * NULL.\n */","struct sctp_tcb *\nsctp_findassociation_ep_addr(struct sctp_inpcb **inp_p, struct sockaddr *remote,\n struct sctp_nets **netp, struct sockaddr *local, struct sctp_tcb *locked_tcb)\n{\n\tstruct sctpasochead *head;\n\tstruct sctp_inpcb *inp;\n\tstruct sctp_tcb *stcb = NULL;\n\tstruct sctp_nets *net;\n\tuint16_t rport;","\tinp = *inp_p;\n\tswitch (remote->sa_family) {\n#ifdef INET\n\tcase AF_INET:\n\t\trport = (((struct sockaddr_in *)remote)->sin_port);\n\t\tbreak;\n#endif\n#ifdef INET6\n\tcase AF_INET6:\n\t\trport = (((struct sockaddr_in6 *)remote)->sin6_port);\n\t\tbreak;\n#endif\n#if defined(__Userspace__)\n\tcase AF_CONN:\n\t\trport = (((struct sockaddr_conn *)remote)->sconn_port);\n\t\tbreak;\n#endif\n\tdefault:\n\t\treturn (NULL);\n\t}\n\tif (locked_tcb) {\n\t\t/*\n\t\t * UN-lock so we can do proper locking here this occurs when\n\t\t * called from load_addresses_from_init.\n\t\t */\n\t\tatomic_add_int(&locked_tcb->asoc.refcnt, 1);\n\t\tSCTP_TCB_UNLOCK(locked_tcb);\n\t}\n\tSCTP_INP_INFO_RLOCK();\n\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\n\t (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {\n\t\t/*-\n\t\t * Now either this guy is our listener or it's the\n\t\t * connector. If it is the one that issued the connect, then\n\t\t * it's only chance is to be the first TCB in the list. If\n\t\t * it is the acceptor, then do the special_lookup to hash\n\t\t * and find the real inp.\n\t\t */\n\t\tif ((inp->sctp_socket) && SCTP_IS_LISTENING(inp)) {\n\t\t\t/* to is peer addr, from is my addr */\n#ifndef SCTP_MVRF\n\t\t\tstcb = sctp_tcb_special_locate(inp_p, remote, local,\n\t\t\t netp, inp->def_vrf_id);\n\t\t\tif ((stcb != NULL) && (locked_tcb == NULL)) {\n\t\t\t\t/* we have a locked tcb, lower refcount */\n\t\t\t\tSCTP_INP_DECR_REF(inp);\n\t\t\t}\n\t\t\tif ((locked_tcb != NULL) && (locked_tcb != stcb)) {\n\t\t\t\tSCTP_INP_RLOCK(locked_tcb->sctp_ep);\n\t\t\t\tSCTP_TCB_LOCK(locked_tcb);\n\t\t\t\tatomic_subtract_int(&locked_tcb->asoc.refcnt, 1);\n\t\t\t\tSCTP_INP_RUNLOCK(locked_tcb->sctp_ep);\n\t\t\t}\n#else\n\t\t\t/*-\n\t\t\t * MVRF is tricky, we must look in every VRF\n\t\t\t * the endpoint has.\n\t\t\t */\n\t\t\tint i;","\t\t\tfor (i = 0; i < inp->num_vrfs; i++) {\n\t\t\t\tstcb = sctp_tcb_special_locate(inp_p, remote, local,\n\t\t\t\t netp, inp->m_vrf_ids[i]);\n\t\t\t\tif ((stcb != NULL) && (locked_tcb == NULL)) {\n\t\t\t\t\t/* we have a locked tcb, lower refcount */\n\t\t\t\t\tSCTP_INP_DECR_REF(inp);\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t\tif ((locked_tcb != NULL) && (locked_tcb != stcb)) {\n\t\t\t\t\tSCTP_INP_RLOCK(locked_tcb->sctp_ep);\n\t\t\t\t\tSCTP_TCB_LOCK(locked_tcb);\n\t\t\t\t\tatomic_subtract_int(&locked_tcb->asoc.refcnt, 1);\n\t\t\t\t\tSCTP_INP_RUNLOCK(locked_tcb->sctp_ep);\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n#endif\n\t\t\tSCTP_INP_INFO_RUNLOCK();\n\t\t\treturn (stcb);\n\t\t} else {\n\t\t\tSCTP_INP_WLOCK(inp);\n\t\t\tif (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {\n\t\t\t\tgoto null_return;\n\t\t\t}\n\t\t\tstcb = LIST_FIRST(&inp->sctp_asoc_list);\n\t\t\tif (stcb == NULL) {\n\t\t\t\tgoto null_return;\n\t\t\t}\n\t\t\tSCTP_TCB_LOCK(stcb);","\t\t\tif (stcb->rport != rport) {\n\t\t\t\t/* remote port does not match. */\n\t\t\t\tSCTP_TCB_UNLOCK(stcb);\n\t\t\t\tgoto null_return;\n\t\t\t}\n\t\t\tif (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {\n\t\t\t\tSCTP_TCB_UNLOCK(stcb);\n\t\t\t\tgoto null_return;\n\t\t\t}\n\t\t\tif (local && !sctp_does_stcb_own_this_addr(stcb, local)) {\n\t\t\t\tSCTP_TCB_UNLOCK(stcb);\n\t\t\t\tgoto null_return;\n\t\t\t}\n\t\t\t/* now look at the list of remote addresses */\n\t\t\tTAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {\n#ifdef INVARIANTS\n\t\t\t\tif (net == (TAILQ_NEXT(net, sctp_next))) {\n\t\t\t\t\tpanic(\"Corrupt net list\");\n\t\t\t\t}\n#endif\n\t\t\t\tif (net->ro._l_addr.sa.sa_family !=\n\t\t\t\t remote->sa_family) {\n\t\t\t\t\t/* not the same family */\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n\t\t\t\tswitch (remote->sa_family) {\n#ifdef INET\n\t\t\t\tcase AF_INET:\n\t\t\t\t{\n\t\t\t\t\tstruct sockaddr_in *sin, *rsin;","\t\t\t\t\tsin = (struct sockaddr_in *)\n\t\t\t\t\t &net->ro._l_addr;\n\t\t\t\t\trsin = (struct sockaddr_in *)remote;\n\t\t\t\t\tif (sin->sin_addr.s_addr ==\n\t\t\t\t\t rsin->sin_addr.s_addr) {\n\t\t\t\t\t\t/* found it */\n\t\t\t\t\t\tif (netp != NULL) {\n\t\t\t\t\t\t\t*netp = net;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif (locked_tcb == NULL) {\n\t\t\t\t\t\t\tSCTP_INP_DECR_REF(inp);\n\t\t\t\t\t\t} else if (locked_tcb != stcb) {\n\t\t\t\t\t\t\tSCTP_TCB_LOCK(locked_tcb);\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif (locked_tcb) {\n\t\t\t\t\t\t\tatomic_subtract_int(&locked_tcb->asoc.refcnt, 1);\n\t\t\t\t\t\t}","\t\t\t\t\t\tSCTP_INP_WUNLOCK(inp);\n\t\t\t\t\t\tSCTP_INP_INFO_RUNLOCK();\n\t\t\t\t\t\treturn (stcb);\n\t\t\t\t\t}\n\t\t\t\t\tbreak;\n\t\t\t\t}\n#endif\n#ifdef INET6\n\t\t\t\tcase AF_INET6:\n\t\t\t\t{\n\t\t\t\t\tstruct sockaddr_in6 *sin6, *rsin6;","\t\t\t\t\tsin6 = (struct sockaddr_in6 *)&net->ro._l_addr;\n\t\t\t\t\trsin6 = (struct sockaddr_in6 *)remote;\n\t\t\t\t\tif (SCTP6_ARE_ADDR_EQUAL(sin6,\n\t\t\t\t\t rsin6)) {\n\t\t\t\t\t\t/* found it */\n\t\t\t\t\t\tif (netp != NULL) {\n\t\t\t\t\t\t\t*netp = net;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif (locked_tcb == NULL) {\n\t\t\t\t\t\t\tSCTP_INP_DECR_REF(inp);\n\t\t\t\t\t\t} else if (locked_tcb != stcb) {\n\t\t\t\t\t\t\tSCTP_TCB_LOCK(locked_tcb);\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif (locked_tcb) {\n\t\t\t\t\t\t\tatomic_subtract_int(&locked_tcb->asoc.refcnt, 1);\n\t\t\t\t\t\t}\n\t\t\t\t\t\tSCTP_INP_WUNLOCK(inp);\n\t\t\t\t\t\tSCTP_INP_INFO_RUNLOCK();\n\t\t\t\t\t\treturn (stcb);\n\t\t\t\t\t}\n\t\t\t\t\tbreak;\n\t\t\t\t}\n#endif\n#if defined(__Userspace__)\n\t\t\t\tcase AF_CONN:\n\t\t\t\t{\n\t\t\t\t\tstruct sockaddr_conn *sconn, *rsconn;","\t\t\t\t\tsconn = (struct sockaddr_conn *)&net->ro._l_addr;\n\t\t\t\t\trsconn = (struct sockaddr_conn *)remote;\n\t\t\t\t\tif (sconn->sconn_addr == rsconn->sconn_addr) {\n\t\t\t\t\t\t/* found it */\n\t\t\t\t\t\tif (netp != NULL) {\n\t\t\t\t\t\t\t*netp = net;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif (locked_tcb == NULL) {\n\t\t\t\t\t\t\tSCTP_INP_DECR_REF(inp);\n\t\t\t\t\t\t} else if (locked_tcb != stcb) {\n\t\t\t\t\t\t\tSCTP_TCB_LOCK(locked_tcb);\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif (locked_tcb) {\n\t\t\t\t\t\t\tatomic_subtract_int(&locked_tcb->asoc.refcnt, 1);\n\t\t\t\t\t\t}\n\t\t\t\t\t\tSCTP_INP_WUNLOCK(inp);\n\t\t\t\t\t\tSCTP_INP_INFO_RUNLOCK();\n\t\t\t\t\t\treturn (stcb);\n\t\t\t\t\t}\n\t\t\t\t\tbreak;\n\t\t\t\t}\n#endif\n\t\t\t\tdefault:\n\t\t\t\t\t/* TSNH */\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t\tSCTP_TCB_UNLOCK(stcb);\n\t\t}\n\t} else {\n\t\tSCTP_INP_WLOCK(inp);\n\t\tif (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {\n\t\t\tgoto null_return;\n\t\t}\n\t\thead = &inp->sctp_tcbhash[SCTP_PCBHASH_ALLADDR(rport,\n\t\t inp->sctp_hashmark)];\n\t\tLIST_FOREACH(stcb, head, sctp_tcbhash) {\n\t\t\tif (stcb->rport != rport) {\n\t\t\t\t/* remote port does not match */\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tSCTP_TCB_LOCK(stcb);\n\t\t\tif (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {\n\t\t\t\tSCTP_TCB_UNLOCK(stcb);\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tif (local && !sctp_does_stcb_own_this_addr(stcb, local)) {\n\t\t\t\tSCTP_TCB_UNLOCK(stcb);\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\t/* now look at the list of remote addresses */\n\t\t\tTAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {\n#ifdef INVARIANTS\n\t\t\t\tif (net == (TAILQ_NEXT(net, sctp_next))) {\n\t\t\t\t\tpanic(\"Corrupt net list\");\n\t\t\t\t}\n#endif\n\t\t\t\tif (net->ro._l_addr.sa.sa_family !=\n\t\t\t\t remote->sa_family) {\n\t\t\t\t\t/* not the same family */\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n\t\t\t\tswitch (remote->sa_family) {\n#ifdef INET\n\t\t\t\tcase AF_INET:\n\t\t\t\t{\n\t\t\t\t\tstruct sockaddr_in *sin, *rsin;","\t\t\t\t\tsin = (struct sockaddr_in *)\n\t\t\t\t\t &net->ro._l_addr;\n\t\t\t\t\trsin = (struct sockaddr_in *)remote;\n\t\t\t\t\tif (sin->sin_addr.s_addr ==\n\t\t\t\t\t rsin->sin_addr.s_addr) {\n\t\t\t\t\t\t/* found it */\n\t\t\t\t\t\tif (netp != NULL) {\n\t\t\t\t\t\t\t*netp = net;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif (locked_tcb == NULL) {\n\t\t\t\t\t\t\tSCTP_INP_DECR_REF(inp);\n\t\t\t\t\t\t} else if (locked_tcb != stcb) {\n\t\t\t\t\t\t\tSCTP_TCB_LOCK(locked_tcb);\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif (locked_tcb) {\n\t\t\t\t\t\t\tatomic_subtract_int(&locked_tcb->asoc.refcnt, 1);\n\t\t\t\t\t\t}\n\t\t\t\t\t\tSCTP_INP_WUNLOCK(inp);\n\t\t\t\t\t\tSCTP_INP_INFO_RUNLOCK();\n\t\t\t\t\t\treturn (stcb);\n\t\t\t\t\t}\n\t\t\t\t\tbreak;\n\t\t\t\t}\n#endif\n#ifdef INET6\n\t\t\t\tcase AF_INET6:\n\t\t\t\t{\n\t\t\t\t\tstruct sockaddr_in6 *sin6, *rsin6;","\t\t\t\t\tsin6 = (struct sockaddr_in6 *)\n\t\t\t\t\t &net->ro._l_addr;\n\t\t\t\t\trsin6 = (struct sockaddr_in6 *)remote;\n\t\t\t\t\tif (SCTP6_ARE_ADDR_EQUAL(sin6,\n\t\t\t\t\t rsin6)) {\n\t\t\t\t\t\t/* found it */\n\t\t\t\t\t\tif (netp != NULL) {\n\t\t\t\t\t\t\t*netp = net;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif (locked_tcb == NULL) {\n\t\t\t\t\t\t\tSCTP_INP_DECR_REF(inp);\n\t\t\t\t\t\t} else if (locked_tcb != stcb) {\n\t\t\t\t\t\t\tSCTP_TCB_LOCK(locked_tcb);\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif (locked_tcb) {\n\t\t\t\t\t\t\tatomic_subtract_int(&locked_tcb->asoc.refcnt, 1);\n\t\t\t\t\t\t}\n\t\t\t\t\t\tSCTP_INP_WUNLOCK(inp);\n\t\t\t\t\t\tSCTP_INP_INFO_RUNLOCK();\n\t\t\t\t\t\treturn (stcb);\n\t\t\t\t\t}\n\t\t\t\t\tbreak;\n\t\t\t\t}\n#endif\n#if defined(__Userspace__)\n\t\t\t\tcase AF_CONN:\n\t\t\t\t{\n\t\t\t\t\tstruct sockaddr_conn *sconn, *rsconn;","\t\t\t\t\tsconn = (struct sockaddr_conn *)&net->ro._l_addr;\n\t\t\t\t\trsconn = (struct sockaddr_conn *)remote;\n\t\t\t\t\tif (sconn->sconn_addr == rsconn->sconn_addr) {\n\t\t\t\t\t\t/* found it */\n\t\t\t\t\t\tif (netp != NULL) {\n\t\t\t\t\t\t\t*netp = net;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif (locked_tcb == NULL) {\n\t\t\t\t\t\t\tSCTP_INP_DECR_REF(inp);\n\t\t\t\t\t\t} else if (locked_tcb != stcb) {\n\t\t\t\t\t\t\tSCTP_TCB_LOCK(locked_tcb);\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif (locked_tcb) {\n\t\t\t\t\t\t\tatomic_subtract_int(&locked_tcb->asoc.refcnt, 1);\n\t\t\t\t\t\t}\n\t\t\t\t\t\tSCTP_INP_WUNLOCK(inp);\n\t\t\t\t\t\tSCTP_INP_INFO_RUNLOCK();\n\t\t\t\t\t\treturn (stcb);\n\t\t\t\t\t}\n\t\t\t\t\tbreak;\n\t\t\t\t}\n#endif\n\t\t\t\tdefault:\n\t\t\t\t\t/* TSNH */\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t\tSCTP_TCB_UNLOCK(stcb);\n\t\t}\n\t}\nnull_return:\n\t/* clean up for returning null */\n\tif (locked_tcb) {\n\t\tSCTP_TCB_LOCK(locked_tcb);\n\t\tatomic_subtract_int(&locked_tcb->asoc.refcnt, 1);\n\t}\n\tSCTP_INP_WUNLOCK(inp);\n\tSCTP_INP_INFO_RUNLOCK();\n\t/* not found */\n\treturn (NULL);\n}","\n/*\n * Find an association for a specific endpoint using the association id given\n * out in the COMM_UP notification\n */\nstruct sctp_tcb *\nsctp_findasoc_ep_asocid_locked(struct sctp_inpcb *inp, sctp_assoc_t asoc_id, int want_lock)\n{\n\t/*\n\t * Use my the assoc_id to find a endpoint\n\t */\n\tstruct sctpasochead *head;\n\tstruct sctp_tcb *stcb;\n\tuint32_t id;","\tif (inp == NULL) {\n\t\tSCTP_PRINTF(\"TSNH ep_associd\\n\");\n\t\treturn (NULL);\n\t}\n\tif (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {\n\t\tSCTP_PRINTF(\"TSNH ep_associd0\\n\");\n\t\treturn (NULL);\n\t}\n\tid = (uint32_t)asoc_id;\n\thead = &inp->sctp_asocidhash[SCTP_PCBHASH_ASOC(id, inp->hashasocidmark)];\n\tif (head == NULL) {\n\t\t/* invalid id TSNH */\n\t\tSCTP_PRINTF(\"TSNH ep_associd1\\n\");\n\t\treturn (NULL);\n\t}\n\tLIST_FOREACH(stcb, head, sctp_tcbasocidhash) {\n\t\tif (stcb->asoc.assoc_id == id) {\n\t\t\tif (inp != stcb->sctp_ep) {\n\t\t\t\t/*\n\t\t\t\t * some other guy has the same id active (id\n\t\t\t\t * collision ??).\n\t\t\t\t */\n\t\t\t\tSCTP_PRINTF(\"TSNH ep_associd2\\n\");\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tif (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tif (want_lock) {\n\t\t\t\tSCTP_TCB_LOCK(stcb);\n\t\t\t}\n\t\t\treturn (stcb);\n\t\t}\n\t}\n\treturn (NULL);\n}","\nstruct sctp_tcb *\nsctp_findassociation_ep_asocid(struct sctp_inpcb *inp, sctp_assoc_t asoc_id, int want_lock)\n{\n\tstruct sctp_tcb *stcb;","\tSCTP_INP_RLOCK(inp);\n\tstcb = sctp_findasoc_ep_asocid_locked(inp, asoc_id, want_lock);\n\tSCTP_INP_RUNLOCK(inp);\n\treturn (stcb);\n}","\n/*\n * Endpoint probe expects that the INP_INFO is locked.\n */\nstatic struct sctp_inpcb *\nsctp_endpoint_probe(struct sockaddr *nam, struct sctppcbhead *head,\n\t\t uint16_t lport, uint32_t vrf_id)\n{\n\tstruct sctp_inpcb *inp;\n\tstruct sctp_laddr *laddr;\n#ifdef INET\n\tstruct sockaddr_in *sin;\n#endif\n#ifdef INET6\n\tstruct sockaddr_in6 *sin6;\n\tstruct sockaddr_in6 *intf_addr6;\n#endif\n#if defined(__Userspace__)\n\tstruct sockaddr_conn *sconn;\n#endif\n#ifdef SCTP_MVRF\n\tint i;\n#endif\n\tint fnd;","#ifdef INET\n\tsin = NULL;\n#endif\n#ifdef INET6\n\tsin6 = NULL;\n#endif\n#if defined(__Userspace__)\n\tsconn = NULL;\n#endif\n\tswitch (nam->sa_family) {\n#ifdef INET\n\tcase AF_INET:\n\t\tsin = (struct sockaddr_in *)nam;\n\t\tbreak;\n#endif\n#ifdef INET6\n\tcase AF_INET6:\n\t\tsin6 = (struct sockaddr_in6 *)nam;\n\t\tbreak;\n#endif\n#if defined(__Userspace__)\n\tcase AF_CONN:\n\t\tsconn = (struct sockaddr_conn *)nam;\n\t\tbreak;\n#endif\n\tdefault:\n\t\t/* unsupported family */\n\t\treturn (NULL);\n\t}","\tif (head == NULL)\n\t\treturn (NULL);","\tLIST_FOREACH(inp, head, sctp_hash) {\n\t\tSCTP_INP_RLOCK(inp);\n\t\tif (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {\n\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\tcontinue;\n\t\t}\n\t\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) &&\n\t\t (inp->sctp_lport == lport)) {\n\t\t\t/* got it */\n\t\t\tswitch (nam->sa_family) {\n#ifdef INET\n\t\t\tcase AF_INET:\n\t\t\t\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) &&\n\t\t\t\t SCTP_IPV6_V6ONLY(inp)) {\n\t\t\t\t\t/* IPv4 on a IPv6 socket with ONLY IPv6 set */\n\t\t\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n#if defined(__FreeBSD__)\n\t\t\t\tif (prison_check_ip4(inp->ip_inp.inp.inp_cred,\n\t\t\t\t &sin->sin_addr) != 0) {\n\t\t\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n#endif\n\t\t\t\tbreak;\n#endif\n#ifdef INET6\n\t\t\tcase AF_INET6:\n\t\t\t\t/* A V6 address and the endpoint is NOT bound V6 */\n\t\t\t\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) {\n\t\t\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n#if defined(__FreeBSD__)\n\t\t\t\tif (prison_check_ip6(inp->ip_inp.inp.inp_cred,\n\t\t\t\t &sin6->sin6_addr) != 0) {\n\t\t\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n#endif\n\t\t\t\tbreak;\n#endif\n\t\t\tdefault:\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\t/* does a VRF id match? */\n\t\t\tfnd = 0;\n#ifdef SCTP_MVRF\n\t\t\tfor (i = 0; i < inp->num_vrfs; i++) {\n\t\t\t\tif (inp->m_vrf_ids[i] == vrf_id) {\n\t\t\t\t\tfnd = 1;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n#else\n\t\t\tif (inp->def_vrf_id == vrf_id)\n\t\t\t\tfnd = 1;\n#endif","\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\tif (!fnd)\n\t\t\t\tcontinue;\n\t\t\treturn (inp);\n\t\t}\n\t\tSCTP_INP_RUNLOCK(inp);\n\t}\n\tswitch (nam->sa_family) {\n#ifdef INET\n\tcase AF_INET:\n\t\tif (sin->sin_addr.s_addr == INADDR_ANY) {\n\t\t\t/* Can't hunt for one that has no address specified */\n\t\t\treturn (NULL);\n\t\t}\n\t\tbreak;\n#endif\n#ifdef INET6\n\tcase AF_INET6:\n\t\tif (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {\n\t\t\t/* Can't hunt for one that has no address specified */\n\t\t\treturn (NULL);\n\t\t}\n\t\tbreak;\n#endif\n#if defined(__Userspace__)\n\tcase AF_CONN:\n\t\tif (sconn->sconn_addr == NULL) {\n\t\t\treturn (NULL);\n\t\t}\n\t\tbreak;\n#endif\n\tdefault:\n\t\tbreak;\n\t}\n\t/*\n\t * ok, not bound to all so see if we can find a EP bound to this\n\t * address.\n\t */\n\tLIST_FOREACH(inp, head, sctp_hash) {\n\t\tSCTP_INP_RLOCK(inp);\n\t\tif (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {\n\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\tcontinue;\n\t\t}\n\t\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL)) {\n\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\tcontinue;\n\t\t}\n\t\t/*\n\t\t * Ok this could be a likely candidate, look at all of its\n\t\t * addresses\n\t\t */\n\t\tif (inp->sctp_lport != lport) {\n\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\tcontinue;\n\t\t}\n\t\t/* does a VRF id match? */\n\t\tfnd = 0;\n#ifdef SCTP_MVRF\n\t\tfor (i = 0; i < inp->num_vrfs; i++) {\n\t\t\tif (inp->m_vrf_ids[i] == vrf_id) {\n\t\t\t\tfnd = 1;\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n#else\n\t\tif (inp->def_vrf_id == vrf_id)\n\t\t\tfnd = 1;","#endif\n\t\tif (!fnd) {\n\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\tcontinue;\n\t\t}\n\t\tLIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {\n\t\t\tif (laddr->ifa == NULL) {\n\t\t\t\tSCTPDBG(SCTP_DEBUG_PCB1, \"%s: NULL ifa\\n\",\n\t\t\t\t\t__func__);\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tSCTPDBG(SCTP_DEBUG_PCB1, \"Ok laddr->ifa:%p is possible, \",\n\t\t\t\t(void *)laddr->ifa);\n\t\t\tif (laddr->ifa->localifa_flags & SCTP_BEING_DELETED) {\n\t\t\t\tSCTPDBG(SCTP_DEBUG_PCB1, \"Huh IFA being deleted\\n\");\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tif (laddr->ifa->address.sa.sa_family == nam->sa_family) {\n\t\t\t\t/* possible, see if it matches */\n\t\t\t\tswitch (nam->sa_family) {\n#ifdef INET\n\t\t\t\tcase AF_INET:\n#if defined(__APPLE__)\n\t\t\t\t\tif (sin == NULL) {\n\t\t\t\t\t\t/* TSNH */\n\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n#endif\n\t\t\t\t\tif (sin->sin_addr.s_addr ==\n\t\t\t\t\t laddr->ifa->address.sin.sin_addr.s_addr) {\n\t\t\t\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\t\t\t\treturn (inp);\n\t\t\t\t\t}\n\t\t\t\t\tbreak;\n#endif\n#ifdef INET6\n\t\t\t\tcase AF_INET6:\n\t\t\t\t\tintf_addr6 = &laddr->ifa->address.sin6;\n\t\t\t\t\tif (SCTP6_ARE_ADDR_EQUAL(sin6,\n\t\t\t\t\t intf_addr6)) {\n\t\t\t\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\t\t\t\treturn (inp);\n\t\t\t\t\t}\n\t\t\t\t\tbreak;\n#endif\n#if defined(__Userspace__)\n\t\t\t\tcase AF_CONN:\n\t\t\t\t\tif (sconn->sconn_addr == laddr->ifa->address.sconn.sconn_addr) {\n\t\t\t\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\t\t\t\treturn (inp);\n\t\t\t\t\t}\n\t\t\t\t\tbreak;\n#endif\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\tSCTP_INP_RUNLOCK(inp);\n\t}\n\treturn (NULL);\n}","\nstatic struct sctp_inpcb *\nsctp_isport_inuse(struct sctp_inpcb *inp, uint16_t lport, uint32_t vrf_id)\n{\n\tstruct sctppcbhead *head;\n\tstruct sctp_inpcb *t_inp;\n#ifdef SCTP_MVRF\n\tint i;\n#endif\n\tint fnd;","\thead = &SCTP_BASE_INFO(sctp_ephash)[SCTP_PCBHASH_ALLADDR(lport,\n\t SCTP_BASE_INFO(hashmark))];\n\tLIST_FOREACH(t_inp, head, sctp_hash) {\n\t\tif (t_inp->sctp_lport != lport) {\n\t\t\tcontinue;\n\t\t}\n\t\t/* is it in the VRF in question */\n\t\tfnd = 0;\n#ifdef SCTP_MVRF\n\t\tfor (i = 0; i < inp->num_vrfs; i++) {\n\t\t\tif (t_inp->m_vrf_ids[i] == vrf_id) {\n\t\t\t\tfnd = 1;\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n#else\n\t\tif (t_inp->def_vrf_id == vrf_id)\n\t\t\tfnd = 1;\n#endif\n\t\tif (!fnd)\n\t\t\tcontinue;","\t\t/* This one is in use. */\n\t\t/* check the v6/v4 binding issue */\n\t\tif ((t_inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) &&\n\t\t SCTP_IPV6_V6ONLY(t_inp)) {\n\t\t\tif (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {\n\t\t\t\t/* collision in V6 space */\n\t\t\t\treturn (t_inp);\n\t\t\t} else {\n\t\t\t\t/* inp is BOUND_V4 no conflict */\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t} else if (t_inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {\n\t\t\t/* t_inp is bound v4 and v6, conflict always */\n\t\t\treturn (t_inp);\n\t\t} else {\n\t\t\t/* t_inp is bound only V4 */\n\t\t\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) &&\n\t\t\t SCTP_IPV6_V6ONLY(inp)) {\n\t\t\t\t/* no conflict */\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\t/* else fall through to conflict */\n\t\t}\n\t\treturn (t_inp);\n\t}\n\treturn (NULL);\n}","\nint\nsctp_swap_inpcb_for_listen(struct sctp_inpcb *inp)\n{\n\t/* For 1-2-1 with port reuse */\n\tstruct sctppcbhead *head;\n\tstruct sctp_inpcb *tinp, *ninp;","\tif (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE)) {\n\t\t/* only works with port reuse on */\n\t\treturn (-1);\n\t}\n\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) {\n\t\treturn (0);\n\t}\n\tSCTP_INP_RUNLOCK(inp);\n\tSCTP_INP_INFO_WLOCK();\n\thead = &SCTP_BASE_INFO(sctp_ephash)[SCTP_PCBHASH_ALLADDR(inp->sctp_lport,\n\t SCTP_BASE_INFO(hashmark))];\n\t/* Kick out all non-listeners to the TCP hash */\n\tLIST_FOREACH_SAFE(tinp, head, sctp_hash, ninp) {\n\t\tif (tinp->sctp_lport != inp->sctp_lport) {\n\t\t\tcontinue;\n\t\t}\n\t\tif (tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {\n\t\t\tcontinue;\n\t\t}\n\t\tif (tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) {\n\t\t\tcontinue;\n\t\t}\n\t\tif (SCTP_IS_LISTENING(tinp)) {\n\t\t\tcontinue;\n\t\t}\n\t\tSCTP_INP_WLOCK(tinp);\n\t\tLIST_REMOVE(tinp, sctp_hash);\n\t\thead = &SCTP_BASE_INFO(sctp_tcpephash)[SCTP_PCBHASH_ALLADDR(tinp->sctp_lport, SCTP_BASE_INFO(hashtcpmark))];\n\t\ttinp->sctp_flags |= SCTP_PCB_FLAGS_IN_TCPPOOL;\n\t\tLIST_INSERT_HEAD(head, tinp, sctp_hash);\n\t\tSCTP_INP_WUNLOCK(tinp);\n\t}\n\tSCTP_INP_WLOCK(inp);\n\t/* Pull from where he was */\n\tLIST_REMOVE(inp, sctp_hash);\n\tinp->sctp_flags &= ~SCTP_PCB_FLAGS_IN_TCPPOOL;\n\thead = &SCTP_BASE_INFO(sctp_ephash)[SCTP_PCBHASH_ALLADDR(inp->sctp_lport, SCTP_BASE_INFO(hashmark))];\n\tLIST_INSERT_HEAD(head, inp, sctp_hash);\n\tSCTP_INP_WUNLOCK(inp);\n\tSCTP_INP_RLOCK(inp);\n\tSCTP_INP_INFO_WUNLOCK();\n\treturn (0);\n}","\nstruct sctp_inpcb *\nsctp_pcb_findep(struct sockaddr *nam, int find_tcp_pool, int have_lock,\n\t\tuint32_t vrf_id)\n{\n\t/*\n\t * First we check the hash table to see if someone has this port\n\t * bound with just the port.\n\t */\n\tstruct sctp_inpcb *inp;\n\tstruct sctppcbhead *head;\n\tint lport;\n\tunsigned int i;\n#ifdef INET\n\tstruct sockaddr_in *sin;\n#endif\n#ifdef INET6\n\tstruct sockaddr_in6 *sin6;\n#endif\n#if defined(__Userspace__)\n\tstruct sockaddr_conn *sconn;\n#endif","\tswitch (nam->sa_family) {\n#ifdef INET\n\tcase AF_INET:\n\t\tsin = (struct sockaddr_in *)nam;\n\t\tlport = sin->sin_port;\n\t\tbreak;\n#endif\n#ifdef INET6\n\tcase AF_INET6:\n\t\tsin6 = (struct sockaddr_in6 *)nam;\n\t\tlport = sin6->sin6_port;\n\t\tbreak;\n#endif\n#if defined(__Userspace__)\n\tcase AF_CONN:\n\t\tsconn = (struct sockaddr_conn *)nam;\n\t\tlport = sconn->sconn_port;\n\t\tbreak;\n#endif\n\tdefault:\n\t\treturn (NULL);\n\t}\n\t/*\n\t * I could cheat here and just cast to one of the types but we will\n\t * do it right. It also provides the check against an Unsupported\n\t * type too.\n\t */\n\t/* Find the head of the ALLADDR chain */\n\tif (have_lock == 0) {\n\t\tSCTP_INP_INFO_RLOCK();\n\t}\n\thead = &SCTP_BASE_INFO(sctp_ephash)[SCTP_PCBHASH_ALLADDR(lport,\n\t SCTP_BASE_INFO(hashmark))];\n\tinp = sctp_endpoint_probe(nam, head, lport, vrf_id);","\t/*\n\t * If the TCP model exists it could be that the main listening\n\t * endpoint is gone but there still exists a connected socket for this\n\t * guy. If so we can return the first one that we find. This may NOT\n\t * be the correct one so the caller should be wary on the returned INP.\n\t * Currently the only caller that sets find_tcp_pool is in bindx where\n\t * we are verifying that a user CAN bind the address. He either\n\t * has bound it already, or someone else has, or its open to bind,\n\t * so this is good enough.\n\t */\n\tif (inp == NULL && find_tcp_pool) {\n\t\tfor (i = 0; i < SCTP_BASE_INFO(hashtcpmark) + 1; i++) {\n\t\t\thead = &SCTP_BASE_INFO(sctp_tcpephash)[i];\n\t\t\tinp = sctp_endpoint_probe(nam, head, lport, vrf_id);\n\t\t\tif (inp) {\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\t}\n\tif (inp) {\n\t\tSCTP_INP_INCR_REF(inp);\n\t}\n\tif (have_lock == 0) {\n\t\tSCTP_INP_INFO_RUNLOCK();\n\t}\n\treturn (inp);\n}","\n/*\n * Find an association for an endpoint with the pointer to whom you want to\n * send to and the endpoint pointer. The address can be IPv4 or IPv6. We may\n * need to change the *to to some other struct like a mbuf...\n */\nstruct sctp_tcb *\nsctp_findassociation_addr_sa(struct sockaddr *from, struct sockaddr *to,\n struct sctp_inpcb **inp_p, struct sctp_nets **netp, int find_tcp_pool,\n uint32_t vrf_id)\n{\n\tstruct sctp_inpcb *inp = NULL;\n\tstruct sctp_tcb *stcb;","\tSCTP_INP_INFO_RLOCK();\n\tif (find_tcp_pool) {\n\t\tif (inp_p != NULL) {\n\t\t\tstcb = sctp_tcb_special_locate(inp_p, from, to, netp,\n\t\t\t vrf_id);\n\t\t} else {\n\t\t\tstcb = sctp_tcb_special_locate(&inp, from, to, netp,\n\t\t\t vrf_id);\n\t\t}\n\t\tif (stcb != NULL) {\n\t\t\tSCTP_INP_INFO_RUNLOCK();\n\t\t\treturn (stcb);\n\t\t}\n\t}\n\tinp = sctp_pcb_findep(to, 0, 1, vrf_id);\n\tif (inp_p != NULL) {\n\t\t*inp_p = inp;\n\t}\n\tSCTP_INP_INFO_RUNLOCK();\n\tif (inp == NULL) {\n\t\treturn (NULL);\n\t}\n\t/*\n\t * ok, we have an endpoint, now lets find the assoc for it (if any)\n\t * we now place the source address or from in the to of the find\n\t * endpoint call. Since in reality this chain is used from the\n\t * inbound packet side.\n\t */\n\tif (inp_p != NULL) {\n\t\tstcb = sctp_findassociation_ep_addr(inp_p, from, netp, to,\n\t\t NULL);\n\t} else {\n\t\tstcb = sctp_findassociation_ep_addr(&inp, from, netp, to,\n\t\t NULL);\n\t}\n\treturn (stcb);\n}","\n/*\n * This routine will grub through the mbuf that is a INIT or INIT-ACK and\n * find all addresses that the sender has specified in any address list. Each\n * address will be used to lookup the TCB and see if one exits.\n */\nstatic struct sctp_tcb *\nsctp_findassociation_special_addr(struct mbuf *m, int offset,\n struct sctphdr *sh, struct sctp_inpcb **inp_p, struct sctp_nets **netp,\n struct sockaddr *dst)\n{\n\tstruct sctp_paramhdr *phdr, param_buf;\n#if defined(INET) || defined(INET6)\n\tstruct sctp_tcb *stcb;\n\tuint16_t ptype;\n#endif\n\tuint16_t plen;\n#ifdef INET\n\tstruct sockaddr_in sin4;\n#endif\n#ifdef INET6\n\tstruct sockaddr_in6 sin6;\n#endif","#ifdef INET\n\tmemset(&sin4, 0, sizeof(sin4));\n#ifdef HAVE_SIN_LEN\n\tsin4.sin_len = sizeof(sin4);\n#endif\n\tsin4.sin_family = AF_INET;\n\tsin4.sin_port = sh->src_port;\n#endif\n#ifdef INET6\n\tmemset(&sin6, 0, sizeof(sin6));\n#ifdef HAVE_SIN6_LEN\n\tsin6.sin6_len = sizeof(sin6);\n#endif\n\tsin6.sin6_family = AF_INET6;\n\tsin6.sin6_port = sh->src_port;\n#endif","\toffset += sizeof(struct sctp_init_chunk);","\tphdr = sctp_get_next_param(m, offset, ¶m_buf, sizeof(param_buf));\n\twhile (phdr != NULL) {\n\t\t/* now we must see if we want the parameter */\n#if defined(INET) || defined(INET6)\n\t\tptype = ntohs(phdr->param_type);\n#endif\n\t\tplen = ntohs(phdr->param_length);\n\t\tif (plen == 0) {\n\t\t\tbreak;\n\t\t}\n#ifdef INET\n\t\tif (ptype == SCTP_IPV4_ADDRESS &&\n\t\t plen == sizeof(struct sctp_ipv4addr_param)) {\n\t\t\t/* Get the rest of the address */\n\t\t\tstruct sctp_ipv4addr_param ip4_param, *p4;","\t\t\tphdr = sctp_get_next_param(m, offset,\n\t\t\t (struct sctp_paramhdr *)&ip4_param, sizeof(ip4_param));\n\t\t\tif (phdr == NULL) {\n\t\t\t\treturn (NULL);\n\t\t\t}\n\t\t\tp4 = (struct sctp_ipv4addr_param *)phdr;\n\t\t\tmemcpy(&sin4.sin_addr, &p4->addr, sizeof(p4->addr));\n\t\t\t/* look it up */\n\t\t\tstcb = sctp_findassociation_ep_addr(inp_p,\n\t\t\t (struct sockaddr *)&sin4, netp, dst, NULL);\n\t\t\tif (stcb != NULL) {\n\t\t\t\treturn (stcb);\n\t\t\t}\n\t\t}\n#endif\n#ifdef INET6\n\t\tif (ptype == SCTP_IPV6_ADDRESS &&\n\t\t plen == sizeof(struct sctp_ipv6addr_param)) {\n\t\t\t/* Get the rest of the address */\n\t\t\tstruct sctp_ipv6addr_param ip6_param, *p6;","\t\t\tphdr = sctp_get_next_param(m, offset,\n\t\t\t (struct sctp_paramhdr *)&ip6_param, sizeof(ip6_param));\n\t\t\tif (phdr == NULL) {\n\t\t\t\treturn (NULL);\n\t\t\t}\n\t\t\tp6 = (struct sctp_ipv6addr_param *)phdr;\n\t\t\tmemcpy(&sin6.sin6_addr, &p6->addr, sizeof(p6->addr));\n\t\t\t/* look it up */\n\t\t\tstcb = sctp_findassociation_ep_addr(inp_p,\n\t\t\t (struct sockaddr *)&sin6, netp, dst, NULL);\n\t\t\tif (stcb != NULL) {\n\t\t\t\treturn (stcb);\n\t\t\t}\n\t\t}\n#endif\n\t\toffset += SCTP_SIZE32(plen);\n\t\tphdr = sctp_get_next_param(m, offset, ¶m_buf,\n\t\t\t\t\t sizeof(param_buf));\n\t}\n\treturn (NULL);\n}","static struct sctp_tcb *\nsctp_findassoc_by_vtag(struct sockaddr *from, struct sockaddr *to, uint32_t vtag,\n\t\t struct sctp_inpcb **inp_p, struct sctp_nets **netp, uint16_t rport,\n\t\t uint16_t lport, int skip_src_check, uint32_t vrf_id, uint32_t remote_tag)\n{\n\t/*\n\t * Use my vtag to hash. If we find it we then verify the source addr\n\t * is in the assoc. If all goes well we save a bit on rec of a\n\t * packet.\n\t */\n\tstruct sctpasochead *head;\n\tstruct sctp_nets *net;\n\tstruct sctp_tcb *stcb;\n#ifdef SCTP_MVRF\n\tunsigned int i;\n#endif","\tSCTP_INP_INFO_RLOCK();\n\thead = &SCTP_BASE_INFO(sctp_asochash)[SCTP_PCBHASH_ASOC(vtag,\n\t SCTP_BASE_INFO(hashasocmark))];\n\tLIST_FOREACH(stcb, head, sctp_asocs) {\n\t\tSCTP_INP_RLOCK(stcb->sctp_ep);\n\t\tif (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {\n\t\t\tSCTP_INP_RUNLOCK(stcb->sctp_ep);\n\t\t\tcontinue;\n\t\t}\n#ifdef SCTP_MVRF\n\t\tfor (i = 0; i < stcb->sctp_ep->num_vrfs; i++) {\n\t\t\tif (stcb->sctp_ep->m_vrf_ids[i] == vrf_id) {\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\t\tif (i == stcb->sctp_ep->num_vrfs) {\n\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\tcontinue;\n\t\t}\n#else\n\t\tif (stcb->sctp_ep->def_vrf_id != vrf_id) {\n\t\t\tSCTP_INP_RUNLOCK(stcb->sctp_ep);\n\t\t\tcontinue;\n\t\t}\n#endif\n\t\tSCTP_TCB_LOCK(stcb);\n\t\tSCTP_INP_RUNLOCK(stcb->sctp_ep);\n\t\tif (stcb->asoc.my_vtag == vtag) {\n\t\t\t/* candidate */\n\t\t\tif (stcb->rport != rport) {\n\t\t\t\tSCTP_TCB_UNLOCK(stcb);\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tif (stcb->sctp_ep->sctp_lport != lport) {\n\t\t\t\tSCTP_TCB_UNLOCK(stcb);\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tif (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {\n\t\t\t\tSCTP_TCB_UNLOCK(stcb);\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\t/* RRS:Need toaddr check here */\n\t\t\tif (sctp_does_stcb_own_this_addr(stcb, to) == 0) {\n\t\t\t /* Endpoint does not own this address */\n\t\t\t\tSCTP_TCB_UNLOCK(stcb);\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tif (remote_tag) {\n\t\t\t\t/* If we have both vtags that's all we match on */\n\t\t\t\tif (stcb->asoc.peer_vtag == remote_tag) {\n\t\t\t\t\t/* If both tags match we consider it conclusive\n\t\t\t\t\t * and check NO source/destination addresses\n\t\t\t\t\t */\n\t\t\t\t\tgoto conclusive;\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (skip_src_check) {\n\t\t\tconclusive:\n\t\t\t if (from) {\n\t\t\t\t\t*netp = sctp_findnet(stcb, from);\n\t\t\t\t} else {\n\t\t\t\t\t*netp = NULL;\t/* unknown */\n\t\t\t\t}\n\t\t\t\tif (inp_p)\n\t\t\t\t\t*inp_p = stcb->sctp_ep;\n\t\t\t\tSCTP_INP_INFO_RUNLOCK();\n\t\t\t\treturn (stcb);\n\t\t\t}\n\t\t\tnet = sctp_findnet(stcb, from);\n\t\t\tif (net) {\n\t\t\t\t/* yep its him. */\n\t\t\t\t*netp = net;\n\t\t\t\tSCTP_STAT_INCR(sctps_vtagexpress);\n\t\t\t\t*inp_p = stcb->sctp_ep;\n\t\t\t\tSCTP_INP_INFO_RUNLOCK();\n\t\t\t\treturn (stcb);\n\t\t\t} else {\n\t\t\t\t/*\n\t\t\t\t * not him, this should only happen in rare\n\t\t\t\t * cases so I peg it.\n\t\t\t\t */\n\t\t\t\tSCTP_STAT_INCR(sctps_vtagbogus);\n\t\t\t}\n\t\t}\n\t\tSCTP_TCB_UNLOCK(stcb);\n\t}\n\tSCTP_INP_INFO_RUNLOCK();\n\treturn (NULL);\n}","\n/*\n * Find an association with the pointer to the inbound IP packet. This can be\n * a IPv4 or IPv6 packet.\n */\nstruct sctp_tcb *\nsctp_findassociation_addr(struct mbuf *m, int offset,\n struct sockaddr *src, struct sockaddr *dst,\n struct sctphdr *sh, struct sctp_chunkhdr *ch,\n struct sctp_inpcb **inp_p, struct sctp_nets **netp, uint32_t vrf_id)\n{\n\tstruct sctp_tcb *stcb;\n\tstruct sctp_inpcb *inp;","\tif (sh->v_tag) {\n\t\t/* we only go down this path if vtag is non-zero */\n\t\tstcb = sctp_findassoc_by_vtag(src, dst, ntohl(sh->v_tag),\n\t\t inp_p, netp, sh->src_port, sh->dest_port, 0, vrf_id, 0);\n\t\tif (stcb) {\n\t\t\treturn (stcb);\n\t\t}\n\t}","\tif (inp_p) {\n\t\tstcb = sctp_findassociation_addr_sa(src, dst, inp_p, netp,\n\t\t 1, vrf_id);\n\t\tinp = *inp_p;\n\t} else {\n\t\tstcb = sctp_findassociation_addr_sa(src, dst, &inp, netp,\n\t\t 1, vrf_id);\n\t}\n\tSCTPDBG(SCTP_DEBUG_PCB1, \"stcb:%p inp:%p\\n\", (void *)stcb, (void *)inp);\n\tif (stcb == NULL && inp) {\n\t\t/* Found a EP but not this address */\n\t\tif ((ch->chunk_type == SCTP_INITIATION) ||\n\t\t (ch->chunk_type == SCTP_INITIATION_ACK)) {\n\t\t\t/*-\n\t\t\t * special hook, we do NOT return linp or an\n\t\t\t * association that is linked to an existing\n\t\t\t * association that is under the TCP pool (i.e. no\n\t\t\t * listener exists). The endpoint finding routine\n\t\t\t * will always find a listener before examining the\n\t\t\t * TCP pool.\n\t\t\t */\n\t\t\tif (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) {\n\t\t\t\tif (inp_p) {\n\t\t\t\t\t*inp_p = NULL;\n\t\t\t\t}\n\t\t\t\treturn (NULL);\n\t\t\t}\n\t\t\tstcb = sctp_findassociation_special_addr(m,\n\t\t\t offset, sh, &inp, netp, dst);\n\t\t\tif (inp_p != NULL) {\n\t\t\t\t*inp_p = inp;\n\t\t\t}\n\t\t}\n\t}\n\tSCTPDBG(SCTP_DEBUG_PCB1, \"stcb is %p\\n\", (void *)stcb);\n\treturn (stcb);\n}","/*\n * lookup an association by an ASCONF lookup address.\n * if the lookup address is 0.0.0.0 or ::0, use the vtag to do the lookup\n */\nstruct sctp_tcb *\nsctp_findassociation_ep_asconf(struct mbuf *m, int offset,\n\t\t\t struct sockaddr *dst, struct sctphdr *sh,\n struct sctp_inpcb **inp_p, struct sctp_nets **netp, uint32_t vrf_id)\n{\n\tstruct sctp_tcb *stcb;\n\tunion sctp_sockstore remote_store;\n\tstruct sctp_paramhdr param_buf, *phdr;\n\tint ptype;\n\tint zero_address = 0;\n#ifdef INET\n\tstruct sockaddr_in *sin;\n#endif\n#ifdef INET6\n\tstruct sockaddr_in6 *sin6;\n#endif","\tmemset(&remote_store, 0, sizeof(remote_store));\n\tphdr = sctp_get_next_param(m, offset + sizeof(struct sctp_asconf_chunk),\n\t\t\t\t ¶m_buf, sizeof(struct sctp_paramhdr));\n\tif (phdr == NULL) {\n\t\tSCTPDBG(SCTP_DEBUG_INPUT3, \"%s: failed to get asconf lookup addr\\n\",\n\t\t\t__func__);\n\t\treturn NULL;\n\t}\n\tptype = (int)((uint32_t) ntohs(phdr->param_type));\n\t/* get the correlation address */\n\tswitch (ptype) {\n#ifdef INET6\n\tcase SCTP_IPV6_ADDRESS:\n\t{\n\t\t/* ipv6 address param */\n\t\tstruct sctp_ipv6addr_param *p6, p6_buf;","\t\tif (ntohs(phdr->param_length) != sizeof(struct sctp_ipv6addr_param)) {\n\t\t\treturn NULL;\n\t\t}\n\t\tp6 = (struct sctp_ipv6addr_param *)sctp_get_next_param(m,\n\t\t\t\t\t\t\t\t offset + sizeof(struct sctp_asconf_chunk),\n\t\t\t\t\t\t\t\t &p6_buf.ph, sizeof(p6_buf));\n\t\tif (p6 == NULL) {\n\t\t\tSCTPDBG(SCTP_DEBUG_INPUT3, \"%s: failed to get asconf v6 lookup addr\\n\",\n\t\t\t\t__func__);\n\t\t\treturn (NULL);\n\t\t}\n\t\tsin6 = &remote_store.sin6;\n\t\tsin6->sin6_family = AF_INET6;\n#ifdef HAVE_SIN6_LEN\n\t\tsin6->sin6_len = sizeof(*sin6);\n#endif\n\t\tsin6->sin6_port = sh->src_port;\n\t\tmemcpy(&sin6->sin6_addr, &p6->addr, sizeof(struct in6_addr));\n\t\tif (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr))\n\t\t\tzero_address = 1;\n\t\tbreak;\n\t}\n#endif\n#ifdef INET\n\tcase SCTP_IPV4_ADDRESS:\n\t{\n\t\t/* ipv4 address param */\n\t\tstruct sctp_ipv4addr_param *p4, p4_buf;","\t\tif (ntohs(phdr->param_length) != sizeof(struct sctp_ipv4addr_param)) {\n\t\t\treturn NULL;\n\t\t}\n\t\tp4 = (struct sctp_ipv4addr_param *)sctp_get_next_param(m,\n\t\t\t\t\t\t\t\t offset + sizeof(struct sctp_asconf_chunk),\n\t\t\t\t\t\t\t\t &p4_buf.ph, sizeof(p4_buf));\n\t\tif (p4 == NULL) {\n\t\t\tSCTPDBG(SCTP_DEBUG_INPUT3, \"%s: failed to get asconf v4 lookup addr\\n\",\n\t\t\t\t__func__);\n\t\t\treturn (NULL);\n\t\t}\n\t\tsin = &remote_store.sin;\n\t\tsin->sin_family = AF_INET;\n#ifdef HAVE_SIN_LEN\n\t\tsin->sin_len = sizeof(*sin);\n#endif\n\t\tsin->sin_port = sh->src_port;\n\t\tmemcpy(&sin->sin_addr, &p4->addr, sizeof(struct in_addr));\n\t\tif (sin->sin_addr.s_addr == INADDR_ANY)\n\t\t\tzero_address = 1;\n\t\tbreak;\n\t}\n#endif\n\tdefault:\n\t\t/* invalid address param type */\n\t\treturn NULL;\n\t}","\tif (zero_address) {\n\t stcb = sctp_findassoc_by_vtag(NULL, dst, ntohl(sh->v_tag), inp_p,\n\t\t\t\t\t netp, sh->src_port, sh->dest_port, 1, vrf_id, 0);\n\t\tif (stcb != NULL) {\n\t\t\tSCTP_INP_DECR_REF(*inp_p);\n\t\t}\n\t} else {\n\t\tstcb = sctp_findassociation_ep_addr(inp_p,\n\t\t &remote_store.sa, netp,\n\t\t dst, NULL);\n\t}\n\treturn (stcb);\n}","\n/*\n * allocate a sctp_inpcb and setup a temporary binding to a port/all\n * addresses. This way if we don't get a bind we by default pick a ephemeral\n * port with all addresses bound.\n */\nint\nsctp_inpcb_alloc(struct socket *so, uint32_t vrf_id)\n{\n\t/*\n\t * we get called when a new endpoint starts up. We need to allocate\n\t * the sctp_inpcb structure from the zone and init it. Mark it as\n\t * unbound and find a port that we can use as an ephemeral with\n\t * INADDR_ANY. If the user binds later no problem we can then add in\n\t * the specific addresses. And setup the default parameters for the\n\t * EP.\n\t */\n\tint i, error;\n\tstruct sctp_inpcb *inp;\n\tstruct sctp_pcb *m;\n\tstruct timeval time;\n\tsctp_sharedkey_t *null_key;","\terror = 0;","\tSCTP_INP_INFO_WLOCK();\n\tinp = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_ep), struct sctp_inpcb);\n\tif (inp == NULL) {\n\t\tSCTP_PRINTF(\"Out of SCTP-INPCB structures - no resources\\n\");\n\t\tSCTP_INP_INFO_WUNLOCK();\n\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, ENOBUFS);\n\t\treturn (ENOBUFS);\n\t}\n\t/* zap it */\n\tmemset(inp, 0, sizeof(*inp));","\t/* bump generations */\n#if defined(__APPLE__)\n\tinp->ip_inp.inp.inp_state = INPCB_STATE_INUSE;\n#endif\n\t/* setup socket pointers */\n\tinp->sctp_socket = so;\n\tinp->ip_inp.inp.inp_socket = so;\n#if defined(__FreeBSD__)\n\tinp->ip_inp.inp.inp_cred = crhold(so->so_cred);\n#endif\n#ifdef INET6\n#if !defined(__Userspace__) && !defined(__Windows__)\n\tif (INP_SOCKAF(so) == AF_INET6) {\n\t\tif (MODULE_GLOBAL(ip6_auto_flowlabel)) {\n\t\t\tinp->ip_inp.inp.inp_flags |= IN6P_AUTOFLOWLABEL;\n\t\t}\n\t\tif (MODULE_GLOBAL(ip6_v6only)) {\n\t\t\tinp->ip_inp.inp.inp_flags |= IN6P_IPV6_V6ONLY;\n\t\t}\n\t}\n#endif\n#endif\n\tinp->sctp_associd_counter = 1;\n\tinp->partial_delivery_point = SCTP_SB_LIMIT_RCV(so) >> SCTP_PARTIAL_DELIVERY_SHIFT;\n\tinp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT;\n\tinp->max_cwnd = 0;\n\tinp->sctp_cmt_on_off = SCTP_BASE_SYSCTL(sctp_cmt_on_off);\n\tinp->ecn_supported = (uint8_t)SCTP_BASE_SYSCTL(sctp_ecn_enable);\n\tinp->prsctp_supported = (uint8_t)SCTP_BASE_SYSCTL(sctp_pr_enable);\n\tinp->auth_supported = (uint8_t)SCTP_BASE_SYSCTL(sctp_auth_enable);\n\tinp->asconf_supported = (uint8_t)SCTP_BASE_SYSCTL(sctp_asconf_enable);\n\tinp->reconfig_supported = (uint8_t)SCTP_BASE_SYSCTL(sctp_reconfig_enable);\n\tinp->nrsack_supported = (uint8_t)SCTP_BASE_SYSCTL(sctp_nrsack_enable);\n\tinp->pktdrop_supported = (uint8_t)SCTP_BASE_SYSCTL(sctp_pktdrop_enable);\n\tinp->idata_supported = 0;","#if defined(__FreeBSD__)\n\tinp->fibnum = so->so_fibnum;\n#else\n\tinp->fibnum = 0;\n#endif\n#if defined(__Userspace__)\n\tinp->ulp_info = NULL;\n\tinp->recv_callback = NULL;\n\tinp->send_callback = NULL;\n\tinp->send_sb_threshold = 0;\n#endif\n\t/* init the small hash table we use to track asocid <-> tcb */\n\tinp->sctp_asocidhash = SCTP_HASH_INIT(SCTP_STACK_VTAG_HASH_SIZE, &inp->hashasocidmark);\n\tif (inp->sctp_asocidhash == NULL) {\n#if defined(__FreeBSD__)\n\t\tcrfree(inp->ip_inp.inp.inp_cred);\n#endif\n\t\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_ep), inp);\n\t\tSCTP_INP_INFO_WUNLOCK();\n\t\treturn (ENOBUFS);\n\t}\n\tSCTP_INCR_EP_COUNT();\n\tinp->ip_inp.inp.inp_ip_ttl = MODULE_GLOBAL(ip_defttl);\n\tSCTP_INP_INFO_WUNLOCK();","\tso->so_pcb = (caddr_t)inp;","#if defined(__FreeBSD__) && __FreeBSD_version < 803000\n\tif ((SCTP_SO_TYPE(so) == SOCK_DGRAM) ||\n\t (SCTP_SO_TYPE(so) == SOCK_SEQPACKET)) {\n#else\n\tif (SCTP_SO_TYPE(so) == SOCK_SEQPACKET) {\n#endif\n\t\t/* UDP style socket */\n\t\tinp->sctp_flags = (SCTP_PCB_FLAGS_UDPTYPE |\n\t\t SCTP_PCB_FLAGS_UNBOUND);\n\t\t/* Be sure it is NON-BLOCKING IO for UDP */\n\t\t/* SCTP_SET_SO_NBIO(so); */\n\t} else if (SCTP_SO_TYPE(so) == SOCK_STREAM) {\n\t\t/* TCP style socket */\n\t\tinp->sctp_flags = (SCTP_PCB_FLAGS_TCPTYPE |\n\t\t SCTP_PCB_FLAGS_UNBOUND);\n\t\t/* Be sure we have blocking IO by default */\n\t\tSOCK_LOCK(so);\n\t\tSCTP_CLEAR_SO_NBIO(so);\n\t\tSOCK_UNLOCK(so);\n#if defined(__Panda__)\n\t} else if (SCTP_SO_TYPE(so) == SOCK_FASTSEQPACKET) {\n\t\tinp->sctp_flags = (SCTP_PCB_FLAGS_UDPTYPE |\n\t\t SCTP_PCB_FLAGS_UNBOUND);\n\t} else if (SCTP_SO_TYPE(so) == SOCK_FASTSTREAM) {\n\t\tinp->sctp_flags = (SCTP_PCB_FLAGS_TCPTYPE |\n\t\t SCTP_PCB_FLAGS_UNBOUND);\n#endif\n\t} else {\n\t\t/*\n\t\t * unsupported socket type (RAW, etc)- in case we missed it\n\t\t * in protosw\n\t\t */\n\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EOPNOTSUPP);\n\t\tso->so_pcb = NULL;\n#if defined(__FreeBSD__)\n\t\tcrfree(inp->ip_inp.inp.inp_cred);\n#endif\n\t\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_ep), inp);\n\t\treturn (EOPNOTSUPP);\n\t}\n\tif (SCTP_BASE_SYSCTL(sctp_default_frag_interleave) == SCTP_FRAG_LEVEL_1) {\n\t\tsctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);\n\t\tsctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS);\n\t} else if (SCTP_BASE_SYSCTL(sctp_default_frag_interleave) == SCTP_FRAG_LEVEL_2) {\n\t\tsctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);\n\t\tsctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS);\n\t} else if (SCTP_BASE_SYSCTL(sctp_default_frag_interleave) == SCTP_FRAG_LEVEL_0) {\n\t\tsctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);\n\t\tsctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS);\n\t}\n\tinp->sctp_tcbhash = SCTP_HASH_INIT(SCTP_BASE_SYSCTL(sctp_pcbtblsize),\n\t\t\t\t\t &inp->sctp_hashmark);\n\tif (inp->sctp_tcbhash == NULL) {\n\t\tSCTP_PRINTF(\"Out of SCTP-INPCB->hashinit - no resources\\n\");\n\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, ENOBUFS);\n\t\tso->so_pcb = NULL;\n#if defined(__FreeBSD__)\n\t\tcrfree(inp->ip_inp.inp.inp_cred);\n#endif\n\t\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_ep), inp);\n\t\treturn (ENOBUFS);\n\t}\n#ifdef SCTP_MVRF\n\tinp->vrf_size = SCTP_DEFAULT_VRF_SIZE;\n\tSCTP_MALLOC(inp->m_vrf_ids, uint32_t *,\n\t\t (sizeof(uint32_t) * inp->vrf_size), SCTP_M_MVRF);\n\tif (inp->m_vrf_ids == NULL) {\n\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, ENOBUFS);\n\t\tso->so_pcb = NULL;\n\t\tSCTP_HASH_FREE(inp->sctp_tcbhash, inp->sctp_hashmark);\n#if defined(__FreeBSD__)\n\t\tcrfree(inp->ip_inp.inp.inp_cred);\n#endif\n\t\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_ep), inp);\n\t\treturn (ENOBUFS);\n\t}\n\tinp->m_vrf_ids[0] = vrf_id;\n\tinp->num_vrfs = 1;\n#endif\n\tinp->def_vrf_id = vrf_id;","#if defined(__APPLE__)\n#if defined(APPLE_LEOPARD) || defined(APPLE_SNOWLEOPARD)\n\tinp->ip_inp.inp.inpcb_mtx = lck_mtx_alloc_init(SCTP_BASE_INFO(sctbinfo).mtx_grp, SCTP_BASE_INFO(sctbinfo).mtx_attr);\n\tif (inp->ip_inp.inp.inpcb_mtx == NULL) {\n\t\tSCTP_PRINTF(\"in_pcballoc: can't alloc mutex! so=%p\\n\", (void *)so);\n#ifdef SCTP_MVRF\n\t\tSCTP_FREE(inp->m_vrf_ids, SCTP_M_MVRF);\n#endif\n\t\tSCTP_HASH_FREE(inp->sctp_tcbhash, inp->sctp_hashmark);\n\t\tso->so_pcb = NULL;\n\t\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_ep), inp);\n\t\tSCTP_UNLOCK_EXC(SCTP_BASE_INFO(sctbinfo).ipi_lock);\n\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, ENOMEM);\n\t\treturn (ENOMEM);\n\t}\n#elif defined(APPLE_LION) || defined(APPLE_MOUNTAINLION)\n\tlck_mtx_init(&inp->ip_inp.inp.inpcb_mtx, SCTP_BASE_INFO(sctbinfo).mtx_grp, SCTP_BASE_INFO(sctbinfo).mtx_attr);\n#else\n\tlck_mtx_init(&inp->ip_inp.inp.inpcb_mtx, SCTP_BASE_INFO(sctbinfo).ipi_lock_grp, SCTP_BASE_INFO(sctbinfo).ipi_lock_attr);\n#endif\n#endif\n\tSCTP_INP_INFO_WLOCK();\n\tSCTP_INP_LOCK_INIT(inp);\n#if defined(__FreeBSD__)\n\tINP_LOCK_INIT(&inp->ip_inp.inp, \"inp\", \"sctpinp\");\n#endif\n\tSCTP_INP_READ_INIT(inp);\n\tSCTP_ASOC_CREATE_LOCK_INIT(inp);\n\t/* lock the new ep */\n\tSCTP_INP_WLOCK(inp);","\t/* add it to the info area */\n\tLIST_INSERT_HEAD(&SCTP_BASE_INFO(listhead), inp, sctp_list);\n#if defined(__APPLE__)\n\tinp->ip_inp.inp.inp_pcbinfo = &SCTP_BASE_INFO(sctbinfo);\n#if defined(APPLE_LEOPARD) || defined(APPLE_SNOWLEOPARD) || defined(APPLE_LION) || defined(APPLE_MOUNTAINLION)\n\tLIST_INSERT_HEAD(SCTP_BASE_INFO(sctbinfo).listhead, &inp->ip_inp.inp, inp_list);\n#else\n\tLIST_INSERT_HEAD(SCTP_BASE_INFO(sctbinfo).ipi_listhead, &inp->ip_inp.inp, inp_list);\n#endif\n#endif\n\tSCTP_INP_INFO_WUNLOCK();","\tTAILQ_INIT(&inp->read_queue);\n\tLIST_INIT(&inp->sctp_addr_list);","\tLIST_INIT(&inp->sctp_asoc_list);","#ifdef SCTP_TRACK_FREED_ASOCS\n\t/* TEMP CODE */\n\tLIST_INIT(&inp->sctp_asoc_free_list);\n#endif\n\t/* Init the timer structure for signature change */\n\tSCTP_OS_TIMER_INIT(&inp->sctp_ep.signature_change.timer);\n\tinp->sctp_ep.signature_change.type = SCTP_TIMER_TYPE_NEWCOOKIE;","\t/* now init the actual endpoint default data */\n\tm = &inp->sctp_ep;","\t/* setup the base timeout information */\n\tm->sctp_timeoutticks[SCTP_TIMER_SEND] = SEC_TO_TICKS(SCTP_SEND_SEC);\t/* needed ? */\n\tm->sctp_timeoutticks[SCTP_TIMER_INIT] = SEC_TO_TICKS(SCTP_INIT_SEC);\t/* needed ? */\n\tm->sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default));\n\tm->sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default));\n\tm->sctp_timeoutticks[SCTP_TIMER_PMTU] = SEC_TO_TICKS(SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default));\n\tm->sctp_timeoutticks[SCTP_TIMER_MAXSHUTDOWN] = SEC_TO_TICKS(SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default));\n\tm->sctp_timeoutticks[SCTP_TIMER_SIGNATURE] = SEC_TO_TICKS(SCTP_BASE_SYSCTL(sctp_secret_lifetime_default));\n\t/* all max/min max are in ms */\n\tm->sctp_maxrto = SCTP_BASE_SYSCTL(sctp_rto_max_default);\n\tm->sctp_minrto = SCTP_BASE_SYSCTL(sctp_rto_min_default);\n\tm->initial_rto = SCTP_BASE_SYSCTL(sctp_rto_initial_default);\n\tm->initial_init_rto_max = SCTP_BASE_SYSCTL(sctp_init_rto_max_default);\n\tm->sctp_sack_freq = SCTP_BASE_SYSCTL(sctp_sack_freq_default);\n\tm->max_init_times = SCTP_BASE_SYSCTL(sctp_init_rtx_max_default);\n\tm->max_send_times = SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default);\n\tm->def_net_failure = SCTP_BASE_SYSCTL(sctp_path_rtx_max_default);\n\tm->def_net_pf_threshold = SCTP_BASE_SYSCTL(sctp_path_pf_threshold);\n\tm->sctp_sws_sender = SCTP_SWS_SENDER_DEF;\n\tm->sctp_sws_receiver = SCTP_SWS_RECEIVER_DEF;\n\tm->max_burst = SCTP_BASE_SYSCTL(sctp_max_burst_default);\n\tm->fr_max_burst = SCTP_BASE_SYSCTL(sctp_fr_max_burst_default);","\tm->sctp_default_cc_module = SCTP_BASE_SYSCTL(sctp_default_cc_module);\n\tm->sctp_default_ss_module = SCTP_BASE_SYSCTL(sctp_default_ss_module);\n\tm->max_open_streams_intome = SCTP_BASE_SYSCTL(sctp_nr_incoming_streams_default);\n\t/* number of streams to pre-open on a association */\n\tm->pre_open_stream_count = SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default);","\tm->default_mtu = 0;\n\t/* Add adaptation cookie */\n\tm->adaptation_layer_indicator = 0;\n\tm->adaptation_layer_indicator_provided = 0;","\t/* seed random number generator */\n\tm->random_counter = 1;\n\tm->store_at = SCTP_SIGNATURE_SIZE;\n\tSCTP_READ_RANDOM(m->random_numbers, sizeof(m->random_numbers));\n\tsctp_fill_random_store(m);","\t/* Minimum cookie size */\n\tm->size_of_a_cookie = (sizeof(struct sctp_init_msg) * 2) +\n\t sizeof(struct sctp_state_cookie);\n\tm->size_of_a_cookie += SCTP_SIGNATURE_SIZE;","\t/* Setup the initial secret */\n\t(void)SCTP_GETTIME_TIMEVAL(&time);\n\tm->time_of_secret_change = time.tv_sec;","\tfor (i = 0; i < SCTP_NUMBER_OF_SECRETS; i++) {\n\t\tm->secret_key[0][i] = sctp_select_initial_TSN(m);\n\t}\n\tsctp_timer_start(SCTP_TIMER_TYPE_NEWCOOKIE, inp, NULL, NULL);","\t/* How long is a cookie good for ? */\n\tm->def_cookie_life = MSEC_TO_TICKS(SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default));\n\t/*\n\t * Initialize authentication parameters\n\t */\n\tm->local_hmacs = sctp_default_supported_hmaclist();\n\tm->local_auth_chunks = sctp_alloc_chunklist();\n\tif (inp->asconf_supported) {\n\t\tsctp_auth_add_chunk(SCTP_ASCONF, m->local_auth_chunks);\n\t\tsctp_auth_add_chunk(SCTP_ASCONF_ACK, m->local_auth_chunks);\n\t}\n\tm->default_dscp = 0;\n#ifdef INET6\n\tm->default_flowlabel = 0;\n#endif\n\tm->port = 0; /* encapsulation disabled by default */\n\tLIST_INIT(&m->shared_keys);\n\t/* add default NULL key as key id 0 */\n\tnull_key = sctp_alloc_sharedkey();\n\tsctp_insert_sharedkey(&m->shared_keys, null_key);\n\tSCTP_INP_WUNLOCK(inp);\n#ifdef SCTP_LOG_CLOSING\n\tsctp_log_closing(inp, NULL, 12);\n#endif\n\treturn (error);\n}","\nvoid\nsctp_move_pcb_and_assoc(struct sctp_inpcb *old_inp, struct sctp_inpcb *new_inp,\n struct sctp_tcb *stcb)\n{\n\tstruct sctp_nets *net;\n\tuint16_t lport, rport;\n\tstruct sctppcbhead *head;\n\tstruct sctp_laddr *laddr, *oladdr;","\tatomic_add_int(&stcb->asoc.refcnt, 1);\n\tSCTP_TCB_UNLOCK(stcb);\n\tSCTP_INP_INFO_WLOCK();\n\tSCTP_INP_WLOCK(old_inp);\n\tSCTP_INP_WLOCK(new_inp);\n\tSCTP_TCB_LOCK(stcb);\n\tatomic_subtract_int(&stcb->asoc.refcnt, 1);","\tnew_inp->sctp_ep.time_of_secret_change =\n\t old_inp->sctp_ep.time_of_secret_change;\n\tmemcpy(new_inp->sctp_ep.secret_key, old_inp->sctp_ep.secret_key,\n\t sizeof(old_inp->sctp_ep.secret_key));\n\tnew_inp->sctp_ep.current_secret_number =\n\t old_inp->sctp_ep.current_secret_number;\n\tnew_inp->sctp_ep.last_secret_number =\n\t old_inp->sctp_ep.last_secret_number;\n\tnew_inp->sctp_ep.size_of_a_cookie = old_inp->sctp_ep.size_of_a_cookie;","\t/* make it so new data pours into the new socket */\n\tstcb->sctp_socket = new_inp->sctp_socket;\n\tstcb->sctp_ep = new_inp;","\t/* Copy the port across */\n\tlport = new_inp->sctp_lport = old_inp->sctp_lport;\n\trport = stcb->rport;\n\t/* Pull the tcb from the old association */\n\tLIST_REMOVE(stcb, sctp_tcbhash);\n\tLIST_REMOVE(stcb, sctp_tcblist);\n\tif (stcb->asoc.in_asocid_hash) {\n\t\tLIST_REMOVE(stcb, sctp_tcbasocidhash);\n\t}\n\t/* Now insert the new_inp into the TCP connected hash */\n\thead = &SCTP_BASE_INFO(sctp_tcpephash)[SCTP_PCBHASH_ALLADDR((lport | rport), SCTP_BASE_INFO(hashtcpmark))];","\tLIST_INSERT_HEAD(head, new_inp, sctp_hash);\n\t/* Its safe to access */\n\tnew_inp->sctp_flags &= ~SCTP_PCB_FLAGS_UNBOUND;","\t/* Now move the tcb into the endpoint list */\n\tLIST_INSERT_HEAD(&new_inp->sctp_asoc_list, stcb, sctp_tcblist);\n\t/*\n\t * Question, do we even need to worry about the ep-hash since we\n\t * only have one connection? Probably not :> so lets get rid of it\n\t * and not suck up any kernel memory in that.\n\t */\n\tif (stcb->asoc.in_asocid_hash) {\n\t\tstruct sctpasochead *lhd;\n\t\tlhd = &new_inp->sctp_asocidhash[SCTP_PCBHASH_ASOC(stcb->asoc.assoc_id,\n\t\t\tnew_inp->hashasocidmark)];\n\t\tLIST_INSERT_HEAD(lhd, stcb, sctp_tcbasocidhash);\n\t}\n\t/* Ok. Let's restart timer. */\n\tTAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {\n\t\tsctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, new_inp,\n\t\t stcb, net);\n\t}","\tSCTP_INP_INFO_WUNLOCK();\n\tif (new_inp->sctp_tcbhash != NULL) {\n\t\tSCTP_HASH_FREE(new_inp->sctp_tcbhash, new_inp->sctp_hashmark);\n\t\tnew_inp->sctp_tcbhash = NULL;\n\t}\n\tif ((new_inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) {\n\t\t/* Subset bound, so copy in the laddr list from the old_inp */\n\t\tLIST_FOREACH(oladdr, &old_inp->sctp_addr_list, sctp_nxt_addr) {\n\t\t\tladdr = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_laddr), struct sctp_laddr);\n\t\t\tif (laddr == NULL) {\n\t\t\t\t/*\n\t\t\t\t * Gak, what can we do? This assoc is really\n\t\t\t\t * HOSED. We probably should send an abort\n\t\t\t\t * here.\n\t\t\t\t */\n\t\t\t\tSCTPDBG(SCTP_DEBUG_PCB1, \"Association hosed in TCP model, out of laddr memory\\n\");\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tSCTP_INCR_LADDR_COUNT();\n\t\t\tmemset(laddr, 0, sizeof(*laddr));\n\t\t\t(void)SCTP_GETTIME_TIMEVAL(&laddr->start_time);\n\t\t\tladdr->ifa = oladdr->ifa;\n\t\t\tatomic_add_int(&laddr->ifa->refcount, 1);\n\t\t\tLIST_INSERT_HEAD(&new_inp->sctp_addr_list, laddr,\n\t\t\t sctp_nxt_addr);\n\t\t\tnew_inp->laddr_count++;\n\t\t\tif (oladdr == stcb->asoc.last_used_address) {\n\t\t\t\tstcb->asoc.last_used_address = laddr;\n\t\t\t}\n\t\t}\n\t}\n\t/* Now any running timers need to be adjusted\n\t * since we really don't care if they are running\n\t * or not just blast in the new_inp into all of\n\t * them.\n\t */","\tstcb->asoc.dack_timer.ep = (void *)new_inp;\n\tstcb->asoc.asconf_timer.ep = (void *)new_inp;\n\tstcb->asoc.strreset_timer.ep = (void *)new_inp;\n\tstcb->asoc.shut_guard_timer.ep = (void *)new_inp;\n\tstcb->asoc.autoclose_timer.ep = (void *)new_inp;\n\tstcb->asoc.delayed_event_timer.ep = (void *)new_inp;\n\tstcb->asoc.delete_prim_timer.ep = (void *)new_inp;\n\t/* now what about the nets? */\n\tTAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {\n\t\tnet->pmtu_timer.ep = (void *)new_inp;\n\t\tnet->hb_timer.ep = (void *)new_inp;\n\t\tnet->rxt_timer.ep = (void *)new_inp;\n\t}\n\tSCTP_INP_WUNLOCK(new_inp);\n\tSCTP_INP_WUNLOCK(old_inp);\n}","/*\n * insert an laddr entry with the given ifa for the desired list\n */\nstatic int\nsctp_insert_laddr(struct sctpladdr *list, struct sctp_ifa *ifa, uint32_t act)\n{\n\tstruct sctp_laddr *laddr;","\tladdr = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_laddr), struct sctp_laddr);\n\tif (laddr == NULL) {\n\t\t/* out of memory? */\n\t\tSCTP_LTRACE_ERR_RET(NULL, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\n\t\treturn (EINVAL);\n\t}\n\tSCTP_INCR_LADDR_COUNT();\n\tmemset(laddr, 0, sizeof(*laddr));\n\t(void)SCTP_GETTIME_TIMEVAL(&laddr->start_time);\n\tladdr->ifa = ifa;\n\tladdr->action = act;\n\tatomic_add_int(&ifa->refcount, 1);\n\t/* insert it */\n\tLIST_INSERT_HEAD(list, laddr, sctp_nxt_addr);","\treturn (0);\n}","/*\n * Remove an laddr entry from the local address list (on an assoc)\n */\nstatic void\nsctp_remove_laddr(struct sctp_laddr *laddr)\n{","\t/* remove from the list */\n\tLIST_REMOVE(laddr, sctp_nxt_addr);\n\tsctp_free_ifa(laddr->ifa);\n\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_laddr), laddr);\n\tSCTP_DECR_LADDR_COUNT();\n}","#if !(defined(__FreeBSD__) || defined(__APPLE__) || defined(__Userspace__))\n/*\n * Don't know why, but without this there is an unknown reference when\n * compiling NetBSD... hmm\n */\nextern void in6_sin6_2_sin(struct sockaddr_in *, struct sockaddr_in6 *sin6);\n#endif","\n/* sctp_ifap is used to bypass normal local address validation checks */\nint\n#if defined(__FreeBSD__) && __FreeBSD_version >= 500000\nsctp_inpcb_bind(struct socket *so, struct sockaddr *addr,\n struct sctp_ifa *sctp_ifap, struct thread *p)\n#elif defined(__Windows__)\nsctp_inpcb_bind(struct socket *so, struct sockaddr *addr,\n struct sctp_ifa *sctp_ifap, PKTHREAD p)\n#else\nsctp_inpcb_bind(struct socket *so, struct sockaddr *addr,\n struct sctp_ifa *sctp_ifap, struct proc *p)\n#endif\n{\n\t/* bind a ep to a socket address */\n\tstruct sctppcbhead *head;\n\tstruct sctp_inpcb *inp, *inp_tmp;\n#if defined(__FreeBSD__) || defined(__APPLE__)\n\tstruct inpcb *ip_inp;\n#endif\n\tint port_reuse_active = 0;\n\tint bindall;\n#ifdef SCTP_MVRF\n\tint i;\n#endif\n\tuint16_t lport;\n\tint error;\n\tuint32_t vrf_id;","\tlport = 0;\n\tbindall = 1;\n\tinp = (struct sctp_inpcb *)so->so_pcb;\n#if defined(__FreeBSD__) || defined(__APPLE__)\n\tip_inp = (struct inpcb *)so->so_pcb;\n#endif\n#ifdef SCTP_DEBUG\n\tif (addr) {\n\t\tSCTPDBG(SCTP_DEBUG_PCB1, \"Bind called port: %d\\n\",\n\t\t\tntohs(((struct sockaddr_in *)addr)->sin_port));\n\t\tSCTPDBG(SCTP_DEBUG_PCB1, \"Addr: \");\n\t\tSCTPDBG_ADDR(SCTP_DEBUG_PCB1, addr);\n\t}\n#endif\n\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) {\n\t\t/* already did a bind, subsequent binds NOT allowed ! */\n\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\n\t\treturn (EINVAL);\n\t}\n#if defined(__FreeBSD__) && __FreeBSD_version >= 500000\n#ifdef INVARIANTS\n\tif (p == NULL)\n\t\tpanic(\"null proc/thread\");\n#endif\n#endif\n\tif (addr != NULL) {\n\t\tswitch (addr->sa_family) {\n#ifdef INET\n\t\tcase AF_INET:\n\t\t{\n\t\t\tstruct sockaddr_in *sin;","\t\t\t/* IPV6_V6ONLY socket? */\n\t\t\tif (SCTP_IPV6_V6ONLY(inp)) {\n\t\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\n\t\t\t\treturn (EINVAL);\n\t\t\t}\n#ifdef HAVE_SA_LEN\n\t\t\tif (addr->sa_len != sizeof(*sin)) {\n\t\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\n\t\t\t\treturn (EINVAL);\n\t\t\t}\n#endif","\t\t\tsin = (struct sockaddr_in *)addr;\n\t\t\tlport = sin->sin_port;\n#if defined(__FreeBSD__) && __FreeBSD_version >= 800000\n\t\t\t/*\n\t\t\t * For LOOPBACK the prison_local_ip4() call will transmute the ip address\n\t\t\t * to the proper value.\n\t\t\t */\n\t\t\tif (p && (error = prison_local_ip4(p->td_ucred, &sin->sin_addr)) != 0) {\n\t\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, error);\n\t\t\t\treturn (error);\n\t\t\t}\n#endif\n\t\t\tif (sin->sin_addr.s_addr != INADDR_ANY) {\n\t\t\t\tbindall = 0;\n\t\t\t}\n\t\t\tbreak;\n\t\t}\n#endif\n#ifdef INET6\n\t\tcase AF_INET6:\n\t\t{\n\t\t\t/* Only for pure IPv6 Address. (No IPv4 Mapped!) */\n\t\t\tstruct sockaddr_in6 *sin6;","\t\t\tsin6 = (struct sockaddr_in6 *)addr;","#ifdef HAVE_SA_LEN\n\t\t\tif (addr->sa_len != sizeof(*sin6)) {\n\t\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\n\t\t\t\treturn (EINVAL);\n\t\t\t}\n#endif\n\t\t\tlport = sin6->sin6_port;\n#if defined(__FreeBSD__) && __FreeBSD_version >= 800000\n\t\t\t/*\n\t\t\t * For LOOPBACK the prison_local_ip6() call will transmute the ipv6 address\n\t\t\t * to the proper value.\n\t\t\t */\n\t\t\tif (p && (error = prison_local_ip6(p->td_ucred, &sin6->sin6_addr,\n\t\t\t (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) {\n\t\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, error);\n\t\t\t\treturn (error);\n\t\t\t}\n#endif\n\t\t\tif (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {\n\t\t\t\tbindall = 0;\n#ifdef SCTP_EMBEDDED_V6_SCOPE\n\t\t\t\t/* KAME hack: embed scopeid */\n#if defined(SCTP_KAME)\n\t\t\t\tif (sa6_embedscope(sin6, MODULE_GLOBAL(ip6_use_defzone)) != 0) {\n\t\t\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\n\t\t\t\t\treturn (EINVAL);\n\t\t\t\t}\n#elif defined(__APPLE__)\n#if defined(APPLE_LEOPARD) || defined(APPLE_SNOWLEOPARD)\n\t\t\t\tif (in6_embedscope(&sin6->sin6_addr, sin6, ip_inp, NULL) != 0) {\n#else\n\t\t\t\tif (in6_embedscope(&sin6->sin6_addr, sin6, ip_inp, NULL, NULL) != 0) {\n#endif\n\t\t\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\n\t\t\t\t\treturn (EINVAL);\n\t\t\t\t}\n#elif defined(__FreeBSD__)\n\t\t\t\terror = scope6_check_id(sin6, MODULE_GLOBAL(ip6_use_defzone));\n\t\t\t\tif (error != 0) {\n\t\t\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, error);\n\t\t\t\t\treturn (error);\n\t\t\t\t}\n#else\n\t\t\t\tif (in6_embedscope(&sin6->sin6_addr, sin6) != 0) {\n\t\t\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\n\t\t\t\t\treturn (EINVAL);\n\t\t\t\t}\n#endif\n#endif /* SCTP_EMBEDDED_V6_SCOPE */\n\t\t\t}\n#ifndef SCOPEDROUTING\n\t\t\t/* this must be cleared for ifa_ifwithaddr() */\n\t\t\tsin6->sin6_scope_id = 0;\n#endif /* SCOPEDROUTING */\n\t\t\tbreak;\n\t\t}\n#endif\n#if defined(__Userspace__)\n\t\tcase AF_CONN:\n\t\t{\n\t\t\tstruct sockaddr_conn *sconn;","#ifdef HAVE_SA_LEN\n\t\t\tif (addr->sa_len != sizeof(struct sockaddr_conn)) {\n\t\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\n\t\t\t\treturn (EINVAL);\n\t\t\t}\n#endif\n\t\t\tsconn = (struct sockaddr_conn *)addr;\n\t\t\tlport = sconn->sconn_port;\n\t\t\tif (sconn->sconn_addr != NULL) {\n\t\t\t\tbindall = 0;\n\t\t\t}\n\t\t\tbreak;\n\t\t}\n#endif\n\t\tdefault:\n\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EAFNOSUPPORT);\n\t\t\treturn (EAFNOSUPPORT);\n\t\t}\n\t}\n\tSCTP_INP_INFO_WLOCK();\n\tSCTP_INP_WLOCK(inp);\n\t/* Setup a vrf_id to be the default for the non-bind-all case. */\n\tvrf_id = inp->def_vrf_id;","\t/* increase our count due to the unlock we do */\n\tSCTP_INP_INCR_REF(inp);\n\tif (lport) {\n\t\t/*\n\t\t * Did the caller specify a port? if so we must see if an ep\n\t\t * already has this one bound.\n\t\t */\n\t\t/* got to be root to get at low ports */\n#if !defined(__Windows__)\n\t\tif (ntohs(lport) < IPPORT_RESERVED) {\n\t\t\tif ((p != NULL) && ((error =\n#ifdef __FreeBSD__\n#if __FreeBSD_version > 602000\n\t\t\t\t priv_check(p, PRIV_NETINET_RESERVEDPORT)\n#elif __FreeBSD_version >= 500000\n\t\t\t\t suser_cred(p->td_ucred, 0)\n#else\n\t\t\t\t suser(p)\n#endif\n#elif defined(__APPLE__)\n\t\t\t\t suser(p->p_ucred, &p->p_acflag)\n#elif defined(__Userspace__) /* must be true to use raw socket */\n\t\t\t\t 1\n#else\n\t\t\t\t suser(p, 0)\n#endif\n\t\t\t\t ) != 0)) {\n\t\t\t\tSCTP_INP_DECR_REF(inp);\n\t\t\t\tSCTP_INP_WUNLOCK(inp);\n\t\t\t\tSCTP_INP_INFO_WUNLOCK();\n\t\t\t\treturn (error);\n\t\t\t}\n#if defined(__Panda__)\n\t\t\tif (!SCTP_IS_PRIVILEDGED(so)) {\n\t\t\t\tSCTP_INP_DECR_REF(inp);\n\t\t\t\tSCTP_INP_WUNLOCK(inp);\n\t\t\t\tSCTP_INP_INFO_WUNLOCK();\n\t\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EACCES);\n\t\t\t\treturn (EACCES);\n\t\t\t}\n#endif\n\t\t}\n#endif /* __Windows__ */\n\t\tSCTP_INP_WUNLOCK(inp);\n\t\tif (bindall) {\n#ifdef SCTP_MVRF\n\t\t\tfor (i = 0; i < inp->num_vrfs; i++) {\n\t\t\t\tvrf_id = inp->m_vrf_ids[i];\n#else\n\t\t\t\tvrf_id = inp->def_vrf_id;\n#endif\n\t\t\t\tinp_tmp = sctp_pcb_findep(addr, 0, 1, vrf_id);\n\t\t\t\tif (inp_tmp != NULL) {\n\t\t\t\t\t/*\n\t\t\t\t\t * lock guy returned and lower count\n\t\t\t\t\t * note that we are not bound so\n\t\t\t\t\t * inp_tmp should NEVER be inp. And\n\t\t\t\t\t * it is this inp (inp_tmp) that gets\n\t\t\t\t\t * the reference bump, so we must\n\t\t\t\t\t * lower it.\n\t\t\t\t\t */\n\t\t\t\t\tSCTP_INP_DECR_REF(inp_tmp);\n\t\t\t\t\t/* unlock info */\n\t\t\t\t\tif ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) &&\n\t\t\t\t\t (sctp_is_feature_on(inp_tmp, SCTP_PCB_FLAGS_PORTREUSE))) {\n\t\t\t\t\t\t/* Ok, must be one-2-one and allowing port re-use */\n\t\t\t\t\t\tport_reuse_active = 1;\n\t\t\t\t\t\tgoto continue_anyway;\n\t\t\t\t\t}\n\t\t\t\t\tSCTP_INP_DECR_REF(inp);\n\t\t\t\t\tSCTP_INP_INFO_WUNLOCK();\n\t\t\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EADDRINUSE);\n\t\t\t\t\treturn (EADDRINUSE);\n\t\t\t\t}\n#ifdef SCTP_MVRF\n\t\t\t}\n#endif\n\t\t} else {\n\t\t\tinp_tmp = sctp_pcb_findep(addr, 0, 1, vrf_id);\n\t\t\tif (inp_tmp != NULL) {\n\t\t\t\t/*\n\t\t\t\t * lock guy returned and lower count note\n\t\t\t\t * that we are not bound so inp_tmp should\n\t\t\t\t * NEVER be inp. And it is this inp (inp_tmp)\n\t\t\t\t * that gets the reference bump, so we must\n\t\t\t\t * lower it.\n\t\t\t\t */\n\t\t\t\tSCTP_INP_DECR_REF(inp_tmp);\n\t\t\t\t/* unlock info */\n\t\t\t\tif ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) &&\n\t\t\t\t (sctp_is_feature_on(inp_tmp, SCTP_PCB_FLAGS_PORTREUSE))) {\n\t\t\t\t\t/* Ok, must be one-2-one and allowing port re-use */\n\t\t\t\t\tport_reuse_active = 1;\n\t\t\t\t\tgoto continue_anyway;\n\t\t\t\t}\n\t\t\t\tSCTP_INP_DECR_REF(inp);\n\t\t\t\tSCTP_INP_INFO_WUNLOCK();\n\t\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EADDRINUSE);\n\t\t\t\treturn (EADDRINUSE);\n\t\t\t}\n\t\t}\n\tcontinue_anyway:\n\t\tSCTP_INP_WLOCK(inp);\n\t\tif (bindall) {\n\t\t\t/* verify that no lport is not used by a singleton */\n\t\t\tif ((port_reuse_active == 0) &&\n\t\t\t (inp_tmp = sctp_isport_inuse(inp, lport, vrf_id))) {\n\t\t\t\t/* Sorry someone already has this one bound */\n\t\t\t\tif ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) &&\n\t\t\t\t (sctp_is_feature_on(inp_tmp, SCTP_PCB_FLAGS_PORTREUSE))) {\n\t\t\t\t\tport_reuse_active = 1;\n\t\t\t\t} else {\n\t\t\t\t\tSCTP_INP_DECR_REF(inp);\n\t\t\t\t\tSCTP_INP_WUNLOCK(inp);\n\t\t\t\t\tSCTP_INP_INFO_WUNLOCK();\n\t\t\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EADDRINUSE);\n\t\t\t\t\treturn (EADDRINUSE);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t} else {\n\t\tuint16_t first, last, candidate;\n\t\tuint16_t count;\n\t\tint done;","#if defined(__Windows__)\n\t\tfirst = 1;\n\t\tlast = 0xffff;\n#else\n#if defined(__Userspace__)\n\t\t/* TODO ensure uid is 0, etc... */\n#elif defined(__FreeBSD__) || defined(__APPLE__)\n\t\tif (ip_inp->inp_flags & INP_HIGHPORT) {\n\t\t\tfirst = MODULE_GLOBAL(ipport_hifirstauto);\n\t\t\tlast = MODULE_GLOBAL(ipport_hilastauto);\n\t\t} else if (ip_inp->inp_flags & INP_LOWPORT) {\n\t\t\tif (p && (error =\n#ifdef __FreeBSD__\n#if __FreeBSD_version > 602000\n\t\t\t\t priv_check(p, PRIV_NETINET_RESERVEDPORT)\n#elif __FreeBSD_version >= 500000\n\t\t\t\t suser_cred(p->td_ucred, 0)\n#else\n\t\t\t\t suser(p)\n#endif\n#elif defined(__APPLE__)\n\t\t\t\t suser(p->p_ucred, &p->p_acflag)\n#else\n\t\t\t\t suser(p, 0)\n#endif\n\t\t\t\t )) {\n\t\t\t\tSCTP_INP_DECR_REF(inp);\n\t\t\t\tSCTP_INP_WUNLOCK(inp);\n\t\t\t\tSCTP_INP_INFO_WUNLOCK();\n\t\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, error);\n\t\t\t\treturn (error);\n\t\t\t}\n\t\t\tfirst = MODULE_GLOBAL(ipport_lowfirstauto);\n\t\t\tlast = MODULE_GLOBAL(ipport_lowlastauto);\n\t\t} else {\n#endif\n\t\t\tfirst = MODULE_GLOBAL(ipport_firstauto);\n\t\t\tlast = MODULE_GLOBAL(ipport_lastauto);\n#if defined(__FreeBSD__) || defined(__APPLE__)\n\t\t}\n#endif\n#endif /* __Windows__ */\n\t\tif (first > last) {\n\t\t\tuint16_t temp;","\t\t\ttemp = first;\n\t\t\tfirst = last;\n\t\t\tlast = temp;\n\t\t}\n\t\tcount = last - first + 1; /* number of candidates */\n\t\tcandidate = first + sctp_select_initial_TSN(&inp->sctp_ep) % (count);","\t\tdone = 0;\n\t\twhile (!done) {\n#ifdef SCTP_MVRF\n\t\t\tfor (i = 0; i < inp->num_vrfs; i++) {\n\t\t\t\tif (sctp_isport_inuse(inp, htons(candidate), inp->m_vrf_ids[i]) != NULL) {\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (i == inp->num_vrfs) {\n\t\t\t\tdone = 1;\n\t\t\t}\n#else\n\t\t\tif (sctp_isport_inuse(inp, htons(candidate), inp->def_vrf_id) == NULL) {\n\t\t\t\tdone = 1;\n\t\t\t}\n#endif\n\t\t\tif (!done) {\n\t\t\t\tif (--count == 0) {\n\t\t\t\t\tSCTP_INP_DECR_REF(inp);\n\t\t\t\t\tSCTP_INP_WUNLOCK(inp);\n\t\t\t\t\tSCTP_INP_INFO_WUNLOCK();\n\t\t\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EADDRINUSE);\n\t\t\t\t\treturn (EADDRINUSE);\n\t\t\t\t}\n\t\t\t\tif (candidate == last)\n\t\t\t\t\tcandidate = first;\n\t\t\t\telse\n\t\t\t\t\tcandidate = candidate + 1;\n\t\t\t}\n\t\t}\n\t\tlport = htons(candidate);\n\t}\n\tSCTP_INP_DECR_REF(inp);\n\tif (inp->sctp_flags & (SCTP_PCB_FLAGS_SOCKET_GONE |\n\t\t\t SCTP_PCB_FLAGS_SOCKET_ALLGONE)) {\n\t\t/*\n\t\t * this really should not happen. The guy did a non-blocking\n\t\t * bind and then did a close at the same time.\n\t\t */\n\t\tSCTP_INP_WUNLOCK(inp);\n\t\tSCTP_INP_INFO_WUNLOCK();\n\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\n\t\treturn (EINVAL);\n\t}\n\t/* ok we look clear to give out this port, so lets setup the binding */\n\tif (bindall) {\n\t\t/* binding to all addresses, so just set in the proper flags */\n\t\tinp->sctp_flags |= SCTP_PCB_FLAGS_BOUNDALL;\n\t\t/* set the automatic addr changes from kernel flag */\n\t\tif (SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) {\n\t\t\tsctp_feature_off(inp, SCTP_PCB_FLAGS_DO_ASCONF);\n\t\t\tsctp_feature_off(inp, SCTP_PCB_FLAGS_AUTO_ASCONF);\n\t\t} else {\n\t\t\tsctp_feature_on(inp, SCTP_PCB_FLAGS_DO_ASCONF);\n\t\t\tsctp_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF);\n\t\t}\n\t\tif (SCTP_BASE_SYSCTL(sctp_multiple_asconfs) == 0) {\n\t\t\tsctp_feature_off(inp, SCTP_PCB_FLAGS_MULTIPLE_ASCONFS);\n\t\t} else {\n\t\t\tsctp_feature_on(inp, SCTP_PCB_FLAGS_MULTIPLE_ASCONFS);\n\t\t}\n\t\t/* set the automatic mobility_base from kernel\n\t\t flag (by micchie)\n\t\t*/\n\t\tif (SCTP_BASE_SYSCTL(sctp_mobility_base) == 0) {\n\t\t\tsctp_mobility_feature_off(inp, SCTP_MOBILITY_BASE);\n\t\t\tsctp_mobility_feature_off(inp, SCTP_MOBILITY_PRIM_DELETED);\n\t\t} else {\n\t\t\tsctp_mobility_feature_on(inp, SCTP_MOBILITY_BASE);\n\t\t\tsctp_mobility_feature_off(inp, SCTP_MOBILITY_PRIM_DELETED);\n\t\t}\n\t\t/* set the automatic mobility_fasthandoff from kernel\n\t\t flag (by micchie)\n\t\t*/\n\t\tif (SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff) == 0) {\n\t\t\tsctp_mobility_feature_off(inp, SCTP_MOBILITY_FASTHANDOFF);\n\t\t\tsctp_mobility_feature_off(inp, SCTP_MOBILITY_PRIM_DELETED);\n\t\t} else {\n\t\t\tsctp_mobility_feature_on(inp, SCTP_MOBILITY_FASTHANDOFF);\n\t\t\tsctp_mobility_feature_off(inp, SCTP_MOBILITY_PRIM_DELETED);\n\t\t}\n\t} else {\n\t\t/*\n\t\t * bind specific, make sure flags is off and add a new\n\t\t * address structure to the sctp_addr_list inside the ep\n\t\t * structure.\n\t\t *\n\t\t * We will need to allocate one and insert it at the head. The\n\t\t * socketopt call can just insert new addresses in there as\n\t\t * well. It will also have to do the embed scope kame hack\n\t\t * too (before adding).\n\t\t */\n\t\tstruct sctp_ifa *ifa;\n\t\tunion sctp_sockstore store;","\t\tmemset(&store, 0, sizeof(store));\n\t\tswitch (addr->sa_family) {\n#ifdef INET\n\t\tcase AF_INET:\n\t\t\tmemcpy(&store.sin, addr, sizeof(struct sockaddr_in));\n\t\t\tstore.sin.sin_port = 0;\n\t\t\tbreak;\n#endif\n#ifdef INET6\n\t\tcase AF_INET6:\n\t\t\tmemcpy(&store.sin6, addr, sizeof(struct sockaddr_in6));\n\t\t\tstore.sin6.sin6_port = 0;\n\t\t\tbreak;\n#endif\n#if defined(__Userspace__)\n\t\tcase AF_CONN:\n\t\t\tmemcpy(&store.sconn, addr, sizeof(struct sockaddr_conn));\n\t\t\tstore.sconn.sconn_port = 0;\n\t\t\tbreak;\n#endif\n\t\tdefault:\n\t\t\tbreak;\n\t\t}\n\t\t/*\n\t\t * first find the interface with the bound address need to\n\t\t * zero out the port to find the address! yuck! can't do\n\t\t * this earlier since need port for sctp_pcb_findep()\n\t\t */\n\t\tif (sctp_ifap != NULL) {\n\t\t\tifa = sctp_ifap;\n\t\t} else {\n\t\t\t/* Note for BSD we hit here always other\n\t\t\t * O/S's will pass things in via the\n\t\t\t * sctp_ifap argument (Panda).\n\t\t\t */\n\t\t\tifa = sctp_find_ifa_by_addr(&store.sa,\n\t\t\t\t\t\t vrf_id, SCTP_ADDR_NOT_LOCKED);\n\t\t}\n\t\tif (ifa == NULL) {\n\t\t\t/* Can't find an interface with that address */\n\t\t\tSCTP_INP_WUNLOCK(inp);\n\t\t\tSCTP_INP_INFO_WUNLOCK();\n\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EADDRNOTAVAIL);\n\t\t\treturn (EADDRNOTAVAIL);\n\t\t}\n#ifdef INET6\n\t\tif (addr->sa_family == AF_INET6) {\n\t\t\t/* GAK, more FIXME IFA lock? */\n\t\t\tif (ifa->localifa_flags & SCTP_ADDR_IFA_UNUSEABLE) {\n\t\t\t\t/* Can't bind a non-existent addr. */\n\t\t\t\tSCTP_INP_WUNLOCK(inp);\n\t\t\t\tSCTP_INP_INFO_WUNLOCK();\n\t\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\n\t\t\t\treturn (EINVAL);\n\t\t\t}\n\t\t}\n#endif\n\t\t/* we're not bound all */\n\t\tinp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUNDALL;\n\t\t/* allow bindx() to send ASCONF's for binding changes */\n\t\tsctp_feature_on(inp, SCTP_PCB_FLAGS_DO_ASCONF);\n\t\t/* clear automatic addr changes from kernel flag */\n\t\tsctp_feature_off(inp, SCTP_PCB_FLAGS_AUTO_ASCONF);","\t\t/* add this address to the endpoint list */\n\t\terror = sctp_insert_laddr(&inp->sctp_addr_list, ifa, 0);\n\t\tif (error != 0) {\n\t\t\tSCTP_INP_WUNLOCK(inp);\n\t\t\tSCTP_INP_INFO_WUNLOCK();\n\t\t\treturn (error);\n\t\t}\n\t\tinp->laddr_count++;\n\t}\n\t/* find the bucket */\n\tif (port_reuse_active) {\n\t\t/* Put it into tcp 1-2-1 hash */\n\t\thead = &SCTP_BASE_INFO(sctp_tcpephash)[SCTP_PCBHASH_ALLADDR(lport, SCTP_BASE_INFO(hashtcpmark))];\n\t\tinp->sctp_flags |= SCTP_PCB_FLAGS_IN_TCPPOOL;\n\t} else {\n\t\thead = &SCTP_BASE_INFO(sctp_ephash)[SCTP_PCBHASH_ALLADDR(lport, SCTP_BASE_INFO(hashmark))];\n\t}\n\t/* put it in the bucket */\n\tLIST_INSERT_HEAD(head, inp, sctp_hash);\n\tSCTPDBG(SCTP_DEBUG_PCB1, \"Main hash to bind at head:%p, bound port:%d - in tcp_pool=%d\\n\",\n\t\t(void *)head, ntohs(lport), port_reuse_active);\n\t/* set in the port */\n\tinp->sctp_lport = lport;","\t/* turn off just the unbound flag */\n\tinp->sctp_flags &= ~SCTP_PCB_FLAGS_UNBOUND;\n\tSCTP_INP_WUNLOCK(inp);\n\tSCTP_INP_INFO_WUNLOCK();\n\treturn (0);\n}","\nstatic void\nsctp_iterator_inp_being_freed(struct sctp_inpcb *inp)\n{\n\tstruct sctp_iterator *it, *nit;","\t/*\n\t * We enter with the only the ITERATOR_LOCK in place and a write\n\t * lock on the inp_info stuff.\n\t */\n\tit = sctp_it_ctl.cur_it;\n#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\n\tif (it && (it->vn != curvnet)) {\n\t\t/* Its not looking at our VNET */\n\t\treturn;\n\t}\n#endif\n\tif (it && (it->inp == inp)) {\n\t\t/*\n\t\t * This is tricky and we hold the iterator lock,\n\t\t * but when it returns and gets the lock (when we\n\t\t * release it) the iterator will try to operate on\n\t\t * inp. We need to stop that from happening. But\n\t\t * of course the iterator has a reference on the\n\t\t * stcb and inp. We can mark it and it will stop.\n\t\t *\n\t\t * If its a single iterator situation, we\n\t\t * set the end iterator flag. Otherwise\n\t\t * we set the iterator to go to the next inp.\n\t\t *\n\t\t */\n\t\tif (it->iterator_flags & SCTP_ITERATOR_DO_SINGLE_INP) {\n\t\t\tsctp_it_ctl.iterator_flags |= SCTP_ITERATOR_STOP_CUR_IT;\n\t\t} else {\n\t\t\tsctp_it_ctl.iterator_flags |= SCTP_ITERATOR_STOP_CUR_INP;\n\t\t}\n\t}\n\t/* Now go through and remove any single reference to\n\t * our inp that may be still pending on the list\n\t */\n\tSCTP_IPI_ITERATOR_WQ_LOCK();\n\tTAILQ_FOREACH_SAFE(it, &sctp_it_ctl.iteratorhead, sctp_nxt_itr, nit) {\n#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\n\t\tif (it->vn != curvnet) {\n\t\t\tcontinue;\n\t\t}\n#endif\n\t\tif (it->inp == inp) {\n\t\t\t/* This one points to me is it inp specific? */\n\t\t\tif (it->iterator_flags & SCTP_ITERATOR_DO_SINGLE_INP) {\n\t\t\t\t/* Remove and free this one */\n\t\t\t\tTAILQ_REMOVE(&sctp_it_ctl.iteratorhead,\n\t\t\t\t it, sctp_nxt_itr);\n\t\t\t\tif (it->function_atend != NULL) {\n\t\t\t\t\t(*it->function_atend) (it->pointer, it->val);\n\t\t\t\t}\n\t\t\t\tSCTP_FREE(it, SCTP_M_ITER);\n\t\t\t} else {\n\t\t\t\tit->inp = LIST_NEXT(it->inp, sctp_list);\n\t\t\t\tif (it->inp) {\n\t\t\t\t\tSCTP_INP_INCR_REF(it->inp);\n\t\t\t\t}\n\t\t\t}\n\t\t\t/* When its put in the refcnt is incremented so decr it */\n\t\t\tSCTP_INP_DECR_REF(inp);\n\t\t}\n\t}\n\tSCTP_IPI_ITERATOR_WQ_UNLOCK();\n}","/* release sctp_inpcb unbind the port */\nvoid\nsctp_inpcb_free(struct sctp_inpcb *inp, int immediate, int from)\n{\n\t/*\n\t * Here we free a endpoint. We must find it (if it is in the Hash\n\t * table) and remove it from there. Then we must also find it in the\n\t * overall list and remove it from there. After all removals are\n\t * complete then any timer has to be stopped. Then start the actual\n\t * freeing. a) Any local lists. b) Any associations. c) The hash of\n\t * all associations. d) finally the ep itself.\n\t */\n\tstruct sctp_tcb *asoc, *nasoc;\n\tstruct sctp_laddr *laddr, *nladdr;\n\tstruct inpcb *ip_pcb;\n\tstruct socket *so;\n\tint being_refed = 0;\n\tstruct sctp_queued_to_read *sq, *nsq;\n#if !defined(__Panda__) && !defined(__Userspace__)\n#if !defined(__FreeBSD__) || __FreeBSD_version < 500000\n\tsctp_rtentry_t *rt;\n#endif\n#endif\n\tint cnt;\n\tsctp_sharedkey_t *shared_key, *nshared_key;","\n#if defined(__APPLE__)\n\tsctp_lock_assert(SCTP_INP_SO(inp));\n#endif\n#ifdef SCTP_LOG_CLOSING\n\tsctp_log_closing(inp, NULL, 0);\n#endif\n\tSCTP_ITERATOR_LOCK();\n\t/* mark any iterators on the list or being processed */\n\tsctp_iterator_inp_being_freed(inp);\n\tSCTP_ITERATOR_UNLOCK();\n\tso = inp->sctp_socket;\n\tif (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {\n\t\t/* been here before.. eeks.. get out of here */\n\t\tSCTP_PRINTF(\"This conflict in free SHOULD not be happening! from %d, imm %d\\n\", from, immediate);\n#ifdef SCTP_LOG_CLOSING\n\t\tsctp_log_closing(inp, NULL, 1);\n#endif\n\t\treturn;\n\t}\n\tSCTP_ASOC_CREATE_LOCK(inp);\n\tSCTP_INP_INFO_WLOCK();","\tSCTP_INP_WLOCK(inp);\n\tif (from == SCTP_CALLED_AFTER_CMPSET_OFCLOSE) {\n\t\tinp->sctp_flags &= ~SCTP_PCB_FLAGS_CLOSE_IP;\n\t\t/* socket is gone, so no more wakeups allowed */\n\t\tinp->sctp_flags |= SCTP_PCB_FLAGS_DONT_WAKE;\n\t\tinp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT;\n\t\tinp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT;","\t}\n\t/* First time through we have the socket lock, after that no more. */\n\tsctp_timer_stop(SCTP_TIMER_TYPE_NEWCOOKIE, inp, NULL, NULL,\n\t\t\tSCTP_FROM_SCTP_PCB + SCTP_LOC_1);","\tif (inp->control) {\n\t\tsctp_m_freem(inp->control);\n\t\tinp->control = NULL;\n\t}\n\tif (inp->pkt) {\n\t\tsctp_m_freem(inp->pkt);\n\t\tinp->pkt = NULL;\n\t}\n\tip_pcb = &inp->ip_inp.inp;\t/* we could just cast the main pointer\n\t\t\t\t\t * here but I will be nice :> (i.e.\n\t\t\t\t\t * ip_pcb = ep;) */\n\tif (immediate == SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE) {\n\t\tint cnt_in_sd;","\t\tcnt_in_sd = 0;\n\t\tLIST_FOREACH_SAFE(asoc, &inp->sctp_asoc_list, sctp_tcblist, nasoc) {\n\t\t\tSCTP_TCB_LOCK(asoc);\n\t\t\tif (asoc->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {\n\t\t\t\t/* Skip guys being freed */\n\t\t\t\tcnt_in_sd++;\n\t\t\t\tif (asoc->asoc.state & SCTP_STATE_IN_ACCEPT_QUEUE) {\n\t\t\t\t\t/*\n\t\t\t\t\t * Special case - we did not start a kill\n\t\t\t\t\t * timer on the asoc due to it was not\n\t\t\t\t\t * closed. So go ahead and start it now.\n\t\t\t\t\t */\n\t\t\t\t\tSCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_IN_ACCEPT_QUEUE);\n\t\t\t\t\tsctp_timer_start(SCTP_TIMER_TYPE_ASOCKILL, inp, asoc, NULL);\n\t\t\t\t}\n\t\t\t\tSCTP_TCB_UNLOCK(asoc);\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tif (((SCTP_GET_STATE(asoc) == SCTP_STATE_COOKIE_WAIT) ||\n\t\t\t (SCTP_GET_STATE(asoc) == SCTP_STATE_COOKIE_ECHOED)) &&\n\t\t\t (asoc->asoc.total_output_queue_size == 0)) {\n\t\t\t\t/* If we have data in queue, we don't want to just\n\t\t\t\t * free since the app may have done, send()/close\n\t\t\t\t * or connect/send/close. And it wants the data\n\t\t\t\t * to get across first.\n\t\t\t\t */\n\t\t\t\t/* Just abandon things in the front states */\n\t\t\t\tif (sctp_free_assoc(inp, asoc, SCTP_PCBFREE_NOFORCE,\n\t\t\t\t\t\t SCTP_FROM_SCTP_PCB + SCTP_LOC_2) == 0) {\n\t\t\t\t\tcnt_in_sd++;\n\t\t\t\t}\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\t/* Disconnect the socket please */\n\t\t\tasoc->sctp_socket = NULL;\n\t\t\tSCTP_ADD_SUBSTATE(asoc, SCTP_STATE_CLOSED_SOCKET);\n\t\t\tif ((asoc->asoc.size_on_reasm_queue > 0) ||\n\t\t\t (asoc->asoc.control_pdapi) ||\n\t\t\t (asoc->asoc.size_on_all_streams > 0) ||\n\t\t\t (so && (so->so_rcv.sb_cc > 0))) {\n\t\t\t\t/* Left with Data unread */\n\t\t\t\tstruct mbuf *op_err;","\t\t\t\top_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, \"\");\n\t\t\t\tasoc->sctp_ep->last_abort_code = SCTP_FROM_SCTP_PCB + SCTP_LOC_3;\n\t\t\t\tsctp_send_abort_tcb(asoc, op_err, SCTP_SO_LOCKED);\n\t\t\t\tSCTP_STAT_INCR_COUNTER32(sctps_aborted);\n\t\t\t\tif ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) ||\n\t\t\t\t (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {\n\t\t\t\t\tSCTP_STAT_DECR_GAUGE32(sctps_currestab);\n\t\t\t\t}\n\t\t\t\tif (sctp_free_assoc(inp, asoc,\n\t\t\t\t\t\t SCTP_PCBFREE_NOFORCE, SCTP_FROM_SCTP_PCB + SCTP_LOC_4) == 0) {\n\t\t\t\t\tcnt_in_sd++;\n\t\t\t\t}\n\t\t\t\tcontinue;\n\t\t\t} else if (TAILQ_EMPTY(&asoc->asoc.send_queue) &&\n\t\t\t TAILQ_EMPTY(&asoc->asoc.sent_queue) &&\n\t\t\t (asoc->asoc.stream_queue_cnt == 0)) {\n\t\t\t\tif ((*asoc->asoc.ss_functions.sctp_ss_is_user_msgs_incomplete)(asoc, &asoc->asoc)) {\n\t\t\t\t\tgoto abort_anyway;\n\t\t\t\t}\n\t\t\t\tif ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) &&\n\t\t\t\t (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) {\n\t\t\t\t\tstruct sctp_nets *netp;","\t\t\t\t\t/*\n\t\t\t\t\t * there is nothing queued to send,\n\t\t\t\t\t * so I send shutdown\n\t\t\t\t\t */\n\t\t\t\t\tif ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) ||\n\t\t\t\t\t (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {\n\t\t\t\t\t\tSCTP_STAT_DECR_GAUGE32(sctps_currestab);\n\t\t\t\t\t}\n\t\t\t\t\tSCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT);\n\t\t\t\t\tsctp_stop_timers_for_shutdown(asoc);\n\t\t\t\t\tif (asoc->asoc.alternate) {\n\t\t\t\t\t\tnetp = asoc->asoc.alternate;\n\t\t\t\t\t} else {\n\t\t\t\t\t\tnetp = asoc->asoc.primary_destination;\n\t\t\t\t\t}\n\t\t\t\t\tsctp_send_shutdown(asoc, netp);\n\t\t\t\t\tsctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, asoc->sctp_ep, asoc,\n\t\t\t\t\t netp);\n\t\t\t\t\tsctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, asoc->sctp_ep, asoc,\n\t\t\t\t\t asoc->asoc.primary_destination);\n\t\t\t\t\tsctp_chunk_output(inp, asoc, SCTP_OUTPUT_FROM_SHUT_TMR, SCTP_SO_LOCKED);\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\t/* mark into shutdown pending */\n\t\t\t\tSCTP_ADD_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING);\n\t\t\t\tsctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, asoc->sctp_ep, asoc,\n\t\t\t\t\t\t asoc->asoc.primary_destination);\n\t\t\t\tif ((*asoc->asoc.ss_functions.sctp_ss_is_user_msgs_incomplete)(asoc, &asoc->asoc)) {\n\t\t\t\t\tSCTP_ADD_SUBSTATE(asoc, SCTP_STATE_PARTIAL_MSG_LEFT);\n\t\t\t\t}\n\t\t\t\tif (TAILQ_EMPTY(&asoc->asoc.send_queue) &&\n\t\t\t\t TAILQ_EMPTY(&asoc->asoc.sent_queue) &&\n\t\t\t\t (asoc->asoc.state & SCTP_STATE_PARTIAL_MSG_LEFT)) {\n\t\t\t\t\tstruct mbuf *op_err;\n\t\t\t\tabort_anyway:\n\t\t\t\t\top_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, \"\");\n\t\t\t\t\tasoc->sctp_ep->last_abort_code = SCTP_FROM_SCTP_PCB + SCTP_LOC_5;\n\t\t\t\t\tsctp_send_abort_tcb(asoc, op_err, SCTP_SO_LOCKED);\n\t\t\t\t\tSCTP_STAT_INCR_COUNTER32(sctps_aborted);\n\t\t\t\t\tif ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) ||\n\t\t\t\t\t (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {\n\t\t\t\t\t\tSCTP_STAT_DECR_GAUGE32(sctps_currestab);\n\t\t\t\t\t}\n\t\t\t\t\tif (sctp_free_assoc(inp, asoc,\n\t\t\t\t\t\t\t SCTP_PCBFREE_NOFORCE,\n\t\t\t\t\t\t\t SCTP_FROM_SCTP_PCB + SCTP_LOC_6) == 0) {\n\t\t\t\t\t\tcnt_in_sd++;\n\t\t\t\t\t}\n\t\t\t\t\tcontinue;\n\t\t\t\t} else {\n\t\t\t\t\tsctp_chunk_output(inp, asoc, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED);\n\t\t\t\t}\n\t\t\t}\n\t\t\tcnt_in_sd++;\n\t\t\tSCTP_TCB_UNLOCK(asoc);\n\t\t}\n\t\t/* now is there some left in our SHUTDOWN state? */\n\t\tif (cnt_in_sd) {\n#ifdef SCTP_LOG_CLOSING\n\t\t\tsctp_log_closing(inp, NULL, 2);\n#endif\n\t\t\tinp->sctp_socket = NULL;\n\t\t\tSCTP_INP_WUNLOCK(inp);\n\t\t\tSCTP_ASOC_CREATE_UNLOCK(inp);\n\t\t\tSCTP_INP_INFO_WUNLOCK();\n\t\t\treturn;\n\t\t}\n\t}\n\tinp->sctp_socket = NULL;\n\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) !=\n\t SCTP_PCB_FLAGS_UNBOUND) {\n\t\t/*\n\t\t * ok, this guy has been bound. It's port is\n\t\t * somewhere in the SCTP_BASE_INFO(hash table). Remove\n\t\t * it!\n\t\t */\n\t\tLIST_REMOVE(inp, sctp_hash);\n\t\tinp->sctp_flags |= SCTP_PCB_FLAGS_UNBOUND;\n\t}","\t/* If there is a timer running to kill us,\n\t * forget it, since it may have a contest\n\t * on the INP lock.. which would cause us\n\t * to die ...\n\t */\n\tcnt = 0;\n\tLIST_FOREACH_SAFE(asoc, &inp->sctp_asoc_list, sctp_tcblist, nasoc) {\n\t\tSCTP_TCB_LOCK(asoc);\n\t\tif (asoc->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {\n\t\t\tif (asoc->asoc.state & SCTP_STATE_IN_ACCEPT_QUEUE) {\n\t\t\t\tSCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_IN_ACCEPT_QUEUE);\n\t\t\t\tsctp_timer_start(SCTP_TIMER_TYPE_ASOCKILL, inp, asoc, NULL);\n\t\t\t}\n\t\t cnt++;\n\t\t\tSCTP_TCB_UNLOCK(asoc);\n\t\t\tcontinue;\n\t\t}\n\t\t/* Free associations that are NOT killing us */\n\t\tif ((SCTP_GET_STATE(asoc) != SCTP_STATE_COOKIE_WAIT) &&\n\t\t ((asoc->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) == 0)) {\n\t\t\tstruct mbuf *op_err;","\t\t\top_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, \"\");\n\t\t\tasoc->sctp_ep->last_abort_code = SCTP_FROM_SCTP_PCB + SCTP_LOC_7;\n\t\t\tsctp_send_abort_tcb(asoc, op_err, SCTP_SO_LOCKED);\n\t\t\tSCTP_STAT_INCR_COUNTER32(sctps_aborted);\n\t\t} else if (asoc->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {\n\t\t\tcnt++;\n\t\t\tSCTP_TCB_UNLOCK(asoc);\n\t\t\tcontinue;\n\t\t}\n\t\tif ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) ||\n\t\t (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {\n\t\t\tSCTP_STAT_DECR_GAUGE32(sctps_currestab);\n\t\t}\n\t\tif (sctp_free_assoc(inp, asoc, SCTP_PCBFREE_FORCE,\n\t\t SCTP_FROM_SCTP_PCB + SCTP_LOC_8) == 0) {\n\t\t\tcnt++;\n\t\t}\n\t}\n\tif (cnt) {\n\t\t/* Ok we have someone out there that will kill us */\n\t\t(void)SCTP_OS_TIMER_STOP(&inp->sctp_ep.signature_change.timer);\n#ifdef SCTP_LOG_CLOSING\n\t\tsctp_log_closing(inp, NULL, 3);\n#endif\n\t\tSCTP_INP_WUNLOCK(inp);\n\t\tSCTP_ASOC_CREATE_UNLOCK(inp);\n\t\tSCTP_INP_INFO_WUNLOCK();\n\t\treturn;\n\t}\n\tif (SCTP_INP_LOCK_CONTENDED(inp))\n\t\tbeing_refed++;\n\tif (SCTP_INP_READ_CONTENDED(inp))\n\t\tbeing_refed++;\n\tif (SCTP_ASOC_CREATE_LOCK_CONTENDED(inp))\n\t\tbeing_refed++;","\tif ((inp->refcount) ||\n\t (being_refed) ||\n\t (inp->sctp_flags & SCTP_PCB_FLAGS_CLOSE_IP)) {\n\t\t(void)SCTP_OS_TIMER_STOP(&inp->sctp_ep.signature_change.timer);\n#ifdef SCTP_LOG_CLOSING\n\t\tsctp_log_closing(inp, NULL, 4);\n#endif\n\t\tsctp_timer_start(SCTP_TIMER_TYPE_INPKILL, inp, NULL, NULL);\n\t\tSCTP_INP_WUNLOCK(inp);\n\t\tSCTP_ASOC_CREATE_UNLOCK(inp);\n\t\tSCTP_INP_INFO_WUNLOCK();\n\t\treturn;\n\t}\n\tinp->sctp_ep.signature_change.type = 0;\n\tinp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_ALLGONE;\n\t/* Remove it from the list .. last thing we need a\n\t * lock for.\n\t */\n\tLIST_REMOVE(inp, sctp_list);\n\tSCTP_INP_WUNLOCK(inp);\n\tSCTP_ASOC_CREATE_UNLOCK(inp);\n\tSCTP_INP_INFO_WUNLOCK();\n\t/* Now we release all locks. Since this INP\n\t * cannot be found anymore except possibly by the\n\t * kill timer that might be running. We call\n\t * the drain function here. It should hit the case\n\t * were it sees the ACTIVE flag cleared and exit\n\t * out freeing us to proceed and destroy everything.\n\t */\n\tif (from != SCTP_CALLED_FROM_INPKILL_TIMER) {\n\t\t(void)SCTP_OS_TIMER_STOP_DRAIN(&inp->sctp_ep.signature_change.timer);\n\t} else {\n\t\t/* Probably un-needed */\n\t\t(void)SCTP_OS_TIMER_STOP(&inp->sctp_ep.signature_change.timer);\n\t}","#ifdef SCTP_LOG_CLOSING\n\tsctp_log_closing(inp, NULL, 5);\n#endif","#if !(defined(__Panda__) || defined(__Windows__) || defined(__Userspace__))\n#if !defined(__FreeBSD__) || __FreeBSD_version < 500000\n\trt = ip_pcb->inp_route.ro_rt;\n#endif\n#endif","\tif ((inp->sctp_asocidhash) != NULL) {\n\t\tSCTP_HASH_FREE(inp->sctp_asocidhash, inp->hashasocidmark);\n\t\tinp->sctp_asocidhash = NULL;\n\t}\n\t/*sa_ignore FREED_MEMORY*/\n\tTAILQ_FOREACH_SAFE(sq, &inp->read_queue, next, nsq) {\n\t\t/* Its only abandoned if it had data left */\n\t\tif (sq->length)\n\t\t\tSCTP_STAT_INCR(sctps_left_abandon);","\t\tTAILQ_REMOVE(&inp->read_queue, sq, next);\n\t\tsctp_free_remote_addr(sq->whoFrom);\n\t\tif (so)\n\t\t\tso->so_rcv.sb_cc -= sq->length;\n\t\tif (sq->data) {\n\t\t\tsctp_m_freem(sq->data);\n\t\t\tsq->data = NULL;\n\t\t}\n\t\t/*\n\t\t * no need to free the net count, since at this point all\n\t\t * assoc's are gone.\n\t\t */\n\t\tsctp_free_a_readq(NULL, sq);\n\t}\n\t/* Now the sctp_pcb things */\n\t/*\n\t * free each asoc if it is not already closed/free. we can't use the\n\t * macro here since le_next will get freed as part of the\n\t * sctp_free_assoc() call.\n\t */\n#ifndef __Panda__\n\tif (ip_pcb->inp_options) {\n\t\t(void)sctp_m_free(ip_pcb->inp_options);\n\t\tip_pcb->inp_options = 0;\n\t}\n#endif","#if !(defined(__Panda__) || defined(__Windows__) || defined(__Userspace__))\n#if !defined(__FreeBSD__) || __FreeBSD_version < 500000\n\tif (rt) {\n\t\tRTFREE(rt);\n\t\tip_pcb->inp_route.ro_rt = 0;\n\t}\n#endif\n#if defined(__FreeBSD__) && __FreeBSD_version < 803000\n#ifdef INET\n\tif (ip_pcb->inp_moptions) {\n\t\tinp_freemoptions(ip_pcb->inp_moptions);\n\t\tip_pcb->inp_moptions = 0;\n\t}\n#endif\n#endif\n#endif","#ifdef INET6\n#if !(defined(__Panda__) || defined(__Windows__) || defined(__Userspace__))\n#if defined(__FreeBSD__) || defined(__APPLE__)\n\tif (ip_pcb->inp_vflag & INP_IPV6) {\n#else\n\tif (inp->inp_vflag & INP_IPV6) {\n#endif\n\t\tip6_freepcbopts(ip_pcb->in6p_outputopts);\n\t}\n#endif\n#endif\t\t\t\t/* INET6 */\n#if !(defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__))\n\tinp->inp_vflag = 0;\n#else\n\tip_pcb->inp_vflag = 0;\n#endif\n\t/* free up authentication fields */\n\tif (inp->sctp_ep.local_auth_chunks != NULL)\n\t\tsctp_free_chunklist(inp->sctp_ep.local_auth_chunks);\n\tif (inp->sctp_ep.local_hmacs != NULL)\n\t\tsctp_free_hmaclist(inp->sctp_ep.local_hmacs);","\tLIST_FOREACH_SAFE(shared_key, &inp->sctp_ep.shared_keys, next, nshared_key) {\n\t\tLIST_REMOVE(shared_key, next);\n\t\tsctp_free_sharedkey(shared_key);\n\t\t/*sa_ignore FREED_MEMORY*/\n\t}","#if defined(__APPLE__)\n\tinp->ip_inp.inp.inp_state = INPCB_STATE_DEAD;\n\tif (in_pcb_checkstate(&inp->ip_inp.inp, WNT_STOPUSING, 1) != WNT_STOPUSING) {\n#ifdef INVARIANTS\n\t\tpanic(\"sctp_inpcb_free inp = %p couldn't set to STOPUSING\\n\", (void *)inp);\n#else\n\t\tSCTP_PRINTF(\"sctp_inpcb_free inp = %p couldn't set to STOPUSING\\n\", (void *)inp);\n#endif\n\t}\n\tinp->ip_inp.inp.inp_socket->so_flags |= SOF_PCBCLEARING;\n#endif\n\t/*\n\t * if we have an address list the following will free the list of\n\t * ifaddr's that are set into this ep. Again macro limitations here,\n\t * since the LIST_FOREACH could be a bad idea.\n\t */\n\tLIST_FOREACH_SAFE(laddr, &inp->sctp_addr_list, sctp_nxt_addr, nladdr) {\n\t\tsctp_remove_laddr(laddr);\n\t}","#ifdef SCTP_TRACK_FREED_ASOCS\n\t/* TEMP CODE */\n\tLIST_FOREACH_SAFE(asoc, &inp->sctp_asoc_free_list, sctp_tcblist, nasoc) {\n\t\tLIST_REMOVE(asoc, sctp_tcblist);\n\t\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_asoc), asoc);\n\t\tSCTP_DECR_ASOC_COUNT();\n\t}\n\t/* *** END TEMP CODE ****/\n#endif\n#ifdef SCTP_MVRF\n\tSCTP_FREE(inp->m_vrf_ids, SCTP_M_MVRF);\n#endif\n\t/* Now lets see about freeing the EP hash table. */\n\tif (inp->sctp_tcbhash != NULL) {\n\t\tSCTP_HASH_FREE(inp->sctp_tcbhash, inp->sctp_hashmark);\n\t\tinp->sctp_tcbhash = NULL;\n\t}\n\t/* Now we must put the ep memory back into the zone pool */\n#if defined(__FreeBSD__)\n\tcrfree(inp->ip_inp.inp.inp_cred);\n\tINP_LOCK_DESTROY(&inp->ip_inp.inp);\n#endif\n\tSCTP_INP_LOCK_DESTROY(inp);\n\tSCTP_INP_READ_DESTROY(inp);\n\tSCTP_ASOC_CREATE_LOCK_DESTROY(inp);\n#if !defined(__APPLE__)\n\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_ep), inp);\n\tSCTP_DECR_EP_COUNT();\n#else\n\t/* For Tiger, we will do this later... */\n#endif\n}","\nstruct sctp_nets *\nsctp_findnet(struct sctp_tcb *stcb, struct sockaddr *addr)\n{\n\tstruct sctp_nets *net;\n\t/* locate the address */\n\tTAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {\n\t\tif (sctp_cmpaddr(addr, (struct sockaddr *)&net->ro._l_addr))\n\t\t\treturn (net);\n\t}\n\treturn (NULL);\n}","\nint\nsctp_is_address_on_local_host(struct sockaddr *addr, uint32_t vrf_id)\n{\n#ifdef __Panda__\n\treturn (0);\n#else\n\tstruct sctp_ifa *sctp_ifa;\n\tsctp_ifa = sctp_find_ifa_by_addr(addr, vrf_id, SCTP_ADDR_NOT_LOCKED);\n\tif (sctp_ifa) {\n\t\treturn (1);\n\t} else {\n\t\treturn (0);\n\t}\n#endif\n}","/*\n * add's a remote endpoint address, done with the INIT/INIT-ACK as well as\n * when a ASCONF arrives that adds it. It will also initialize all the cwnd\n * stats of stuff.\n */\nint\nsctp_add_remote_addr(struct sctp_tcb *stcb, struct sockaddr *newaddr,\n struct sctp_nets **netp, uint16_t port, int set_scope, int from)\n{\n\t/*\n\t * The following is redundant to the same lines in the\n\t * sctp_aloc_assoc() but is needed since others call the add\n\t * address function\n\t */\n\tstruct sctp_nets *net, *netfirst;\n\tint addr_inscope;","\tSCTPDBG(SCTP_DEBUG_PCB1, \"Adding an address (from:%d) to the peer: \",\n\t\tfrom);\n\tSCTPDBG_ADDR(SCTP_DEBUG_PCB1, newaddr);","\tnetfirst = sctp_findnet(stcb, newaddr);\n\tif (netfirst) {\n\t\t/*\n\t\t * Lie and return ok, we don't want to make the association\n\t\t * go away for this behavior. It will happen in the TCP\n\t\t * model in a connected socket. It does not reach the hash\n\t\t * table until after the association is built so it can't be\n\t\t * found. Mark as reachable, since the initial creation will\n\t\t * have been cleared and the NOT_IN_ASSOC flag will have\n\t\t * been added... and we don't want to end up removing it\n\t\t * back out.\n\t\t */\n\t\tif (netfirst->dest_state & SCTP_ADDR_UNCONFIRMED) {\n\t\t\tnetfirst->dest_state = (SCTP_ADDR_REACHABLE |\n\t\t\t SCTP_ADDR_UNCONFIRMED);\n\t\t} else {\n\t\t\tnetfirst->dest_state = SCTP_ADDR_REACHABLE;\n\t\t}","\t\treturn (0);\n\t}\n\taddr_inscope = 1;\n\tswitch (newaddr->sa_family) {\n#ifdef INET\n\tcase AF_INET:\n\t{\n\t\tstruct sockaddr_in *sin;","\t\tsin = (struct sockaddr_in *)newaddr;\n\t\tif (sin->sin_addr.s_addr == 0) {\n\t\t\t/* Invalid address */\n\t\t\treturn (-1);\n\t\t}\n\t\t/* zero out the zero area */\n\t\tmemset(&sin->sin_zero, 0, sizeof(sin->sin_zero));","\t\t/* assure len is set */\n#ifdef HAVE_SIN_LEN\n\t\tsin->sin_len = sizeof(struct sockaddr_in);\n#endif\n\t\tif (set_scope) {\n\t\t\tif (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr)) {\n\t\t\t\tstcb->asoc.scope.ipv4_local_scope = 1;\n\t\t\t}\n\t\t} else {\n\t\t\t/* Validate the address is in scope */\n\t\t\tif ((IN4_ISPRIVATE_ADDRESS(&sin->sin_addr)) &&\n\t\t\t (stcb->asoc.scope.ipv4_local_scope == 0)) {\n\t\t\t\taddr_inscope = 0;\n\t\t\t}\n\t\t}\n\t\tbreak;\n\t}\n#endif\n#ifdef INET6\n\tcase AF_INET6:\n\t{\n\t\tstruct sockaddr_in6 *sin6;","\t\tsin6 = (struct sockaddr_in6 *)newaddr;\n\t\tif (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {\n\t\t\t/* Invalid address */\n\t\t\treturn (-1);\n\t\t}\n\t\t/* assure len is set */\n#ifdef HAVE_SIN6_LEN\n\t\tsin6->sin6_len = sizeof(struct sockaddr_in6);\n#endif\n\t\tif (set_scope) {\n\t\t\tif (sctp_is_address_on_local_host(newaddr, stcb->asoc.vrf_id)) {\n\t\t\t\tstcb->asoc.scope.loopback_scope = 1;\n\t\t\t\tstcb->asoc.scope.local_scope = 0;\n\t\t\t\tstcb->asoc.scope.ipv4_local_scope = 1;\n\t\t\t\tstcb->asoc.scope.site_scope = 1;\n\t\t\t} else if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {\n\t\t\t\t/*\n\t\t\t\t * If the new destination is a LINK_LOCAL we\n\t\t\t\t * must have common site scope. Don't set\n\t\t\t\t * the local scope since we may not share\n\t\t\t\t * all links, only loopback can do this.\n\t\t\t\t * Links on the local network would also be\n\t\t\t\t * on our private network for v4 too.\n\t\t\t\t */\n\t\t\t\tstcb->asoc.scope.ipv4_local_scope = 1;\n\t\t\t\tstcb->asoc.scope.site_scope = 1;\n\t\t\t} else if (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr)) {\n\t\t\t\t/*\n\t\t\t\t * If the new destination is SITE_LOCAL then\n\t\t\t\t * we must have site scope in common.\n\t\t\t\t */\n\t\t\t\tstcb->asoc.scope.site_scope = 1;\n\t\t\t}\n\t\t} else {\n\t\t\t/* Validate the address is in scope */\n\t\t\tif (IN6_IS_ADDR_LOOPBACK(&sin6->sin6_addr) &&\n\t\t\t (stcb->asoc.scope.loopback_scope == 0)) {\n\t\t\t\taddr_inscope = 0;\n\t\t\t} else if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) &&\n\t\t\t (stcb->asoc.scope.local_scope == 0)) {\n\t\t\t\taddr_inscope = 0;\n\t\t\t} else if (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr) &&\n\t\t\t (stcb->asoc.scope.site_scope == 0)) {\n\t\t\t\taddr_inscope = 0;\n\t\t\t}\n\t\t}\n\t\tbreak;\n\t}\n#endif\n#if defined(__Userspace__)\n\tcase AF_CONN:\n\t{\n\t\tstruct sockaddr_conn *sconn;","\t\tsconn = (struct sockaddr_conn *)newaddr;\n\t\tif (sconn->sconn_addr == NULL) {\n\t\t\t/* Invalid address */\n\t\t\treturn (-1);\n\t\t}\n#ifdef HAVE_SCONN_LEN\n\t\tsconn->sconn_len = sizeof(struct sockaddr_conn);\n#endif\n\t\tbreak;\n\t}\n#endif\n\tdefault:\n\t\t/* not supported family type */\n\t\treturn (-1);\n\t}\n\tnet = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_net), struct sctp_nets);\n\tif (net == NULL) {\n\t\treturn (-1);\n\t}\n\tSCTP_INCR_RADDR_COUNT();\n\tmemset(net, 0, sizeof(struct sctp_nets));\n\t(void)SCTP_GETTIME_TIMEVAL(&net->start_time);\n#ifdef HAVE_SA_LEN\n\tmemcpy(&net->ro._l_addr, newaddr, newaddr->sa_len);\n#endif\n\tswitch (newaddr->sa_family) {\n#ifdef INET\n\tcase AF_INET:\n#ifndef HAVE_SA_LEN\n\t\tmemcpy(&net->ro._l_addr, newaddr, sizeof(struct sockaddr_in));\n#endif\n\t\t((struct sockaddr_in *)&net->ro._l_addr)->sin_port = stcb->rport;\n\t\tbreak;\n#endif\n#ifdef INET6\n\tcase AF_INET6:\n#ifndef HAVE_SA_LEN\n\t\tmemcpy(&net->ro._l_addr, newaddr, sizeof(struct sockaddr_in6));\n#endif\n\t\t((struct sockaddr_in6 *)&net->ro._l_addr)->sin6_port = stcb->rport;\n\t\tbreak;\n#endif\n#if defined(__Userspace__)\n\tcase AF_CONN:\n#ifndef HAVE_SA_LEN\n\t\tmemcpy(&net->ro._l_addr, newaddr, sizeof(struct sockaddr_conn));\n#endif\n\t\t((struct sockaddr_conn *)&net->ro._l_addr)->sconn_port = stcb->rport;\n\t\tbreak;\n#endif\n\tdefault:\n\t\tbreak;\n\t}\n\tnet->addr_is_local = sctp_is_address_on_local_host(newaddr, stcb->asoc.vrf_id);\n\tif (net->addr_is_local && ((set_scope || (from == SCTP_ADDR_IS_CONFIRMED)))) {\n\t\tstcb->asoc.scope.loopback_scope = 1;\n\t\tstcb->asoc.scope.ipv4_local_scope = 1;\n\t\tstcb->asoc.scope.local_scope = 0;\n\t\tstcb->asoc.scope.site_scope = 1;\n\t\taddr_inscope = 1;\n\t}\n\tnet->failure_threshold = stcb->asoc.def_net_failure;\n\tnet->pf_threshold = stcb->asoc.def_net_pf_threshold;\n\tif (addr_inscope == 0) {\n\t\tnet->dest_state = (SCTP_ADDR_REACHABLE |\n\t\t SCTP_ADDR_OUT_OF_SCOPE);\n\t} else {\n\t\tif (from == SCTP_ADDR_IS_CONFIRMED)\n\t\t\t/* SCTP_ADDR_IS_CONFIRMED is passed by connect_x */\n\t\t\tnet->dest_state = SCTP_ADDR_REACHABLE;\n\t\telse\n\t\t\tnet->dest_state = SCTP_ADDR_REACHABLE |\n\t\t\t SCTP_ADDR_UNCONFIRMED;\n\t}\n\t/* We set this to 0, the timer code knows that\n\t * this means its an initial value\n\t */\n\tnet->rto_needed = 1;\n\tnet->RTO = 0;\n\tnet->RTO_measured = 0;\n\tstcb->asoc.numnets++;\n\tnet->ref_count = 1;\n\tnet->cwr_window_tsn = net->last_cwr_tsn = stcb->asoc.sending_seq - 1;\n\tnet->port = port;\n\tnet->dscp = stcb->asoc.default_dscp;\n#ifdef INET6\n\tnet->flowlabel = stcb->asoc.default_flowlabel;\n#endif\n\tif (sctp_stcb_is_feature_on(stcb->sctp_ep, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) {\n\t\tnet->dest_state |= SCTP_ADDR_NOHB;\n\t} else {\n\t\tnet->dest_state &= ~SCTP_ADDR_NOHB;\n\t}\n\tif (sctp_stcb_is_feature_on(stcb->sctp_ep, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) {\n\t\tnet->dest_state |= SCTP_ADDR_NO_PMTUD;\n\t} else {\n\t\tnet->dest_state &= ~SCTP_ADDR_NO_PMTUD;\n\t}\n\tnet->heart_beat_delay = stcb->asoc.heart_beat_delay;\n\t/* Init the timer structure */\n\tSCTP_OS_TIMER_INIT(&net->rxt_timer.timer);\n\tSCTP_OS_TIMER_INIT(&net->pmtu_timer.timer);\n\tSCTP_OS_TIMER_INIT(&net->hb_timer.timer);","\t/* Now generate a route for this guy */\n#ifdef INET6\n#ifdef SCTP_EMBEDDED_V6_SCOPE\n\t/* KAME hack: embed scopeid */\n\tif (newaddr->sa_family == AF_INET6) {\n\t\tstruct sockaddr_in6 *sin6;","\t\tsin6 = (struct sockaddr_in6 *)&net->ro._l_addr;\n#if defined(__APPLE__)\n#if defined(APPLE_LEOPARD) || defined(APPLE_SNOWLEOPARD)\n\t\t(void)in6_embedscope(&sin6->sin6_addr, sin6, &stcb->sctp_ep->ip_inp.inp, NULL);\n#else\n\t\t(void)in6_embedscope(&sin6->sin6_addr, sin6, &stcb->sctp_ep->ip_inp.inp, NULL, NULL);\n#endif\n#elif defined(SCTP_KAME)\n\t\t(void)sa6_embedscope(sin6, MODULE_GLOBAL(ip6_use_defzone));\n#else\n\t\t(void)in6_embedscope(&sin6->sin6_addr, sin6);\n#endif\n#ifndef SCOPEDROUTING\n\t\tsin6->sin6_scope_id = 0;\n#endif\n\t}\n#endif /* SCTP_EMBEDDED_V6_SCOPE */\n#endif\n\tSCTP_RTALLOC((sctp_route_t *)&net->ro,\n\t stcb->asoc.vrf_id,\n\t stcb->sctp_ep->fibnum);","\tnet->src_addr_selected = 0;\n#if !defined(__Userspace__)\n\tif (SCTP_ROUTE_HAS_VALID_IFN(&net->ro)) {\n\t\t/* Get source address */\n\t\tnet->ro._s_addr = sctp_source_address_selection(stcb->sctp_ep,\n\t\t stcb,\n\t\t (sctp_route_t *)&net->ro,\n\t\t net,\n\t\t 0,\n\t\t stcb->asoc.vrf_id);\n\t\tif (stcb->asoc.default_mtu > 0) {\n\t\t\tnet->mtu = stcb->asoc.default_mtu;\n\t\t\tswitch (net->ro._l_addr.sa.sa_family) {\n#ifdef INET\n\t\t\tcase AF_INET:\n\t\t\t\tnet->mtu += SCTP_MIN_V4_OVERHEAD;\n\t\t\t\tbreak;\n#endif\n#ifdef INET6\n\t\t\tcase AF_INET6:\n\t\t\t\tnet->mtu += SCTP_MIN_OVERHEAD;\n\t\t\t\tbreak;\n#endif\n#if defined(__Userspace__)\n\t\t\tcase AF_CONN:\n\t\t\t\tnet->mtu += sizeof(struct sctphdr);\n\t\t\t\tbreak;\n#endif\n\t\t\tdefault:\n\t\t\t\tbreak;\n\t\t\t}\n#if defined(INET) || defined(INET6)\n\t\t\tif (net->port) {\n\t\t\t\tnet->mtu += (uint32_t)sizeof(struct udphdr);\n\t\t\t}\n#endif\n\t\t} else if (net->ro._s_addr != NULL) {\n\t\t\tuint32_t imtu, rmtu, hcmtu;","\t\t\tnet->src_addr_selected = 1;\n\t\t\t/* Now get the interface MTU */\n\t\t\tif (net->ro._s_addr->ifn_p != NULL) {\n\t\t\t\timtu = SCTP_GATHER_MTU_FROM_INTFC(net->ro._s_addr->ifn_p);\n\t\t\t} else {\n\t\t\t\timtu = 0;\n\t\t\t}\n\t\t\trmtu = SCTP_GATHER_MTU_FROM_ROUTE(net->ro._s_addr, &net->ro._l_addr.sa, net->ro.ro_rt);\n#if defined(__FreeBSD__)\n\t\t\thcmtu = sctp_hc_get_mtu(&net->ro._l_addr, stcb->sctp_ep->fibnum);\n#else\n\t\t\thcmtu = 0;\n#endif\n\t\t\tnet->mtu = sctp_min_mtu(hcmtu, rmtu, imtu);\n\t\t\tif (rmtu == 0) {\n\t\t\t\t/* Start things off to match mtu of interface please. */\n\t\t\t\tSCTP_SET_MTU_OF_ROUTE(&net->ro._l_addr.sa,\n\t\t\t\t net->ro.ro_rt, net->mtu);\n\t\t\t}\n\t\t}\n\t}\n#endif\n\tif (net->mtu == 0) {\n\t\tif (stcb->asoc.default_mtu > 0) {\n\t\t\tnet->mtu = stcb->asoc.default_mtu;\n\t\t\tswitch (net->ro._l_addr.sa.sa_family) {\n#ifdef INET\n\t\t\tcase AF_INET:\n\t\t\t\tnet->mtu += SCTP_MIN_V4_OVERHEAD;\n\t\t\t\tbreak;\n#endif\n#ifdef INET6\n\t\t\tcase AF_INET6:\n\t\t\t\tnet->mtu += SCTP_MIN_OVERHEAD;\n\t\t\t\tbreak;\n#endif\n#if defined(__Userspace__)\n\t\t\tcase AF_CONN:\n\t\t\t\tnet->mtu += sizeof(struct sctphdr);\n\t\t\t\tbreak;\n#endif\n\t\t\tdefault:\n\t\t\t\tbreak;\n\t\t\t}\n#if defined(INET) || defined(INET6)\n\t\t\tif (net->port) {\n\t\t\t\tnet->mtu += (uint32_t)sizeof(struct udphdr);\n\t\t\t}\n#endif\n\t\t} else {\n\t\t\tswitch (newaddr->sa_family) {\n#ifdef INET\n\t\t\tcase AF_INET:\n\t\t\t\tnet->mtu = SCTP_DEFAULT_MTU;\n\t\t\t\tbreak;\n#endif\n#ifdef INET6\n\t\t\tcase AF_INET6:\n\t\t\t\tnet->mtu = 1280;\n\t\t\t\tbreak;\n#endif\n#if defined(__Userspace__)\n\t\t\tcase AF_CONN:\n\t\t\t\tnet->mtu = 1280;\n\t\t\t\tbreak;\n#endif\n\t\t\tdefault:\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\t}\n#if defined(INET) || defined(INET6)\n\tif (net->port) {\n\t\tnet->mtu -= (uint32_t)sizeof(struct udphdr);\n\t}\n#endif\n\tif (from == SCTP_ALLOC_ASOC) {\n\t\tstcb->asoc.smallest_mtu = net->mtu;\n\t}\n\tif (stcb->asoc.smallest_mtu > net->mtu) {\n\t\tsctp_pathmtu_adjustment(stcb, net->mtu);\n\t}\n#ifdef INET6\n#ifdef SCTP_EMBEDDED_V6_SCOPE\n\tif (newaddr->sa_family == AF_INET6) {\n\t\tstruct sockaddr_in6 *sin6;","\t\tsin6 = (struct sockaddr_in6 *)&net->ro._l_addr;\n#ifdef SCTP_KAME\n\t\t(void)sa6_recoverscope(sin6);\n#else\n\t\t(void)in6_recoverscope(sin6, &sin6->sin6_addr, NULL);\n#endif /* SCTP_KAME */\n\t}\n#endif /* SCTP_EMBEDDED_V6_SCOPE */\n#endif","\t/* JRS - Use the congestion control given in the CC module */\n\tif (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL)\n\t\t(*stcb->asoc.cc_functions.sctp_set_initial_cc_param)(stcb, net);","\t/*\n\t * CMT: CUC algo - set find_pseudo_cumack to TRUE (1) at beginning\n\t * of assoc (2005/06/27, iyengar@cis.udel.edu)\n\t */\n\tnet->find_pseudo_cumack = 1;\n\tnet->find_rtx_pseudo_cumack = 1;\n#if defined(__FreeBSD__)\n\t/* Choose an initial flowid. */\n\tnet->flowid = stcb->asoc.my_vtag ^\n\t ntohs(stcb->rport) ^\n\t ntohs(stcb->sctp_ep->sctp_lport);\n\tnet->flowtype = M_HASHTYPE_OPAQUE_HASH;\n#endif\n\tif (netp) {\n\t\t*netp = net;\n\t}\n\tnetfirst = TAILQ_FIRST(&stcb->asoc.nets);\n\tif (net->ro.ro_rt == NULL) {\n\t\t/* Since we have no route put it at the back */\n\t\tTAILQ_INSERT_TAIL(&stcb->asoc.nets, net, sctp_next);\n\t} else if (netfirst == NULL) {\n\t\t/* We are the first one in the pool. */\n\t\tTAILQ_INSERT_HEAD(&stcb->asoc.nets, net, sctp_next);\n\t} else if (netfirst->ro.ro_rt == NULL) {\n\t\t/*\n\t\t * First one has NO route. Place this one ahead of the first\n\t\t * one.\n\t\t */\n\t\tTAILQ_INSERT_HEAD(&stcb->asoc.nets, net, sctp_next);\n#ifndef __Panda__\n\t} else if (net->ro.ro_rt->rt_ifp != netfirst->ro.ro_rt->rt_ifp) {\n\t\t/*\n\t\t * This one has a different interface than the one at the\n\t\t * top of the list. Place it ahead.\n\t\t */\n\t\tTAILQ_INSERT_HEAD(&stcb->asoc.nets, net, sctp_next);\n#endif\n\t} else {\n\t\t/*\n\t\t * Ok we have the same interface as the first one. Move\n\t\t * forward until we find either a) one with a NULL route...\n\t\t * insert ahead of that b) one with a different ifp.. insert\n\t\t * after that. c) end of the list.. insert at the tail.\n\t\t */\n\t\tstruct sctp_nets *netlook;","\t\tdo {\n\t\t\tnetlook = TAILQ_NEXT(netfirst, sctp_next);\n\t\t\tif (netlook == NULL) {\n\t\t\t\t/* End of the list */\n\t\t\t\tTAILQ_INSERT_TAIL(&stcb->asoc.nets, net, sctp_next);\n\t\t\t\tbreak;\n\t\t\t} else if (netlook->ro.ro_rt == NULL) {\n\t\t\t\t/* next one has NO route */\n\t\t\t\tTAILQ_INSERT_BEFORE(netfirst, net, sctp_next);\n\t\t\t\tbreak;\n\t\t\t}\n#ifndef __Panda__\n\t\t\telse if (netlook->ro.ro_rt->rt_ifp != net->ro.ro_rt->rt_ifp)\n#else\n\t\t\telse\n#endif\n\t\t\t{\n\t\t\t\tTAILQ_INSERT_AFTER(&stcb->asoc.nets, netlook,\n\t\t\t\t\t\t net, sctp_next);\n\t\t\t\tbreak;\n\t\t\t}\n#ifndef __Panda__\n\t\t\t/* Shift forward */\n\t\t\tnetfirst = netlook;\n#endif\n\t\t} while (netlook != NULL);\n\t}","\t/* got to have a primary set */\n\tif (stcb->asoc.primary_destination == 0) {\n\t\tstcb->asoc.primary_destination = net;\n\t} else if ((stcb->asoc.primary_destination->ro.ro_rt == NULL) &&\n\t\t (net->ro.ro_rt) &&\n\t ((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0)) {\n\t\t/* No route to current primary adopt new primary */\n\t\tstcb->asoc.primary_destination = net;\n\t}\n\t/* Validate primary is first */\n\tnet = TAILQ_FIRST(&stcb->asoc.nets);\n\tif ((net != stcb->asoc.primary_destination) &&\n\t (stcb->asoc.primary_destination)) {\n\t\t/* first one on the list is NOT the primary\n\t\t * sctp_cmpaddr() is much more efficient if\n\t\t * the primary is the first on the list, make it\n\t\t * so.\n\t\t */\n\t\tTAILQ_REMOVE(&stcb->asoc.nets,\n\t\t\t stcb->asoc.primary_destination, sctp_next);\n\t\tTAILQ_INSERT_HEAD(&stcb->asoc.nets,\n\t\t\t\t stcb->asoc.primary_destination, sctp_next);\n\t}\n\treturn (0);\n}","\nstatic uint32_t\nsctp_aloc_a_assoc_id(struct sctp_inpcb *inp, struct sctp_tcb *stcb)\n{\n\tuint32_t id;\n\tstruct sctpasochead *head;\n\tstruct sctp_tcb *lstcb;"," try_again:\n\tif (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {\n\t\t/* TSNH */\n\t\treturn (0);\n\t}\n\t/*\n\t * We don't allow assoc id to be one of SCTP_FUTURE_ASSOC,\n\t * SCTP_CURRENT_ASSOC and SCTP_ALL_ASSOC.\n\t */\n\tif (inp->sctp_associd_counter <= SCTP_ALL_ASSOC) {\n\t\tinp->sctp_associd_counter = SCTP_ALL_ASSOC + 1;\n\t}\n\tid = inp->sctp_associd_counter;\n\tinp->sctp_associd_counter++;\n\tlstcb = sctp_findasoc_ep_asocid_locked(inp, (sctp_assoc_t)id, 0);\n\tif (lstcb) {\n\t\tgoto try_again;\n\t}\n\thead = &inp->sctp_asocidhash[SCTP_PCBHASH_ASOC(id, inp->hashasocidmark)];\n\tLIST_INSERT_HEAD(head, stcb, sctp_tcbasocidhash);\n\tstcb->asoc.in_asocid_hash = 1;\n\treturn (id);\n}","/*\n * allocate an association and add it to the endpoint. The caller must be\n * careful to add all additional addresses once they are know right away or\n * else the assoc will be may experience a blackout scenario.\n */\nstruct sctp_tcb *\nsctp_aloc_assoc(struct sctp_inpcb *inp, struct sockaddr *firstaddr,\n int *error, uint32_t override_tag, uint32_t vrf_id,\n uint16_t o_streams, uint16_t port,\n#if defined(__FreeBSD__) && __FreeBSD_version >= 500000\n struct thread *p,\n#elif defined(__Windows__)\n PKTHREAD p,\n#else\n#if defined(__Userspace__)\n /* __Userspace__ NULL proc is going to be passed here. See sctp_lower_sosend */\n#endif\n struct proc *p,\n#endif\n int initialize_auth_params)\n{\n\t/* note the p argument is only valid in unbound sockets */","\tstruct sctp_tcb *stcb;\n\tstruct sctp_association *asoc;\n\tstruct sctpasochead *head;\n\tuint16_t rport;\n\tint err;","\t/*\n\t * Assumption made here: Caller has done a\n\t * sctp_findassociation_ep_addr(ep, addr's); to make sure the\n\t * address does not exist already.\n\t */\n\tif (SCTP_BASE_INFO(ipi_count_asoc) >= SCTP_MAX_NUM_OF_ASOC) {\n\t\t/* Hit max assoc, sorry no more */\n\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, ENOBUFS);\n\t\t*error = ENOBUFS;\n\t\treturn (NULL);\n\t}\n\tif (firstaddr == NULL) {\n\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\n\t\t*error = EINVAL;\n\t\treturn (NULL);\n\t}\n\tSCTP_INP_RLOCK(inp);\n\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) &&\n\t ((sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE)) ||\n\t (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED))) {\n\t\t/*\n\t\t * If its in the TCP pool, its NOT allowed to create an\n\t\t * association. The parent listener needs to call\n\t\t * sctp_aloc_assoc.. or the one-2-many socket. If a peeled\n\t\t * off, or connected one does this.. its an error.\n\t\t */\n\t\tSCTP_INP_RUNLOCK(inp);\n\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\n\t\t*error = EINVAL;\n\t\treturn (NULL);\n\t}\n\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||\n\t (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE)) {\n\t\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_WAS_CONNECTED) ||\n\t\t (inp->sctp_flags & SCTP_PCB_FLAGS_WAS_ABORTED)) {\n\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\n\t\t\t*error = EINVAL;\n\t\t\treturn (NULL);\n\t\t}\n\t}\n\tSCTPDBG(SCTP_DEBUG_PCB3, \"Allocate an association for peer:\");\n#ifdef SCTP_DEBUG\n\tif (firstaddr) {\n\t\tSCTPDBG_ADDR(SCTP_DEBUG_PCB3, firstaddr);\n\t\tswitch (firstaddr->sa_family) {\n#ifdef INET\n\t\tcase AF_INET:\n\t\t\tSCTPDBG(SCTP_DEBUG_PCB3, \"Port:%d\\n\",\n\t\t\t ntohs(((struct sockaddr_in *)firstaddr)->sin_port));\n\t\t\tbreak;\n#endif\n#ifdef INET6\n\t\tcase AF_INET6:\n\t\t\tSCTPDBG(SCTP_DEBUG_PCB3, \"Port:%d\\n\",\n\t\t\t ntohs(((struct sockaddr_in6 *)firstaddr)->sin6_port));\n\t\t\tbreak;\n#endif\n#if defined(__Userspace__)\n\t\tcase AF_CONN:\n\t\t\tSCTPDBG(SCTP_DEBUG_PCB3, \"Port:%d\\n\",\n\t\t\t ntohs(((struct sockaddr_conn *)firstaddr)->sconn_port));\n\t\t\tbreak;\n#endif\n\t\tdefault:\n\t\t\tbreak;\n\t\t}\n\t} else {\n\t\tSCTPDBG(SCTP_DEBUG_PCB3,\"None\\n\");\n\t}\n#endif\t\t\t\t/* SCTP_DEBUG */\n\tswitch (firstaddr->sa_family) {\n#ifdef INET\n\tcase AF_INET:\n\t{\n\t\tstruct sockaddr_in *sin;","\t\tsin = (struct sockaddr_in *)firstaddr;\n\t\tif ((ntohs(sin->sin_port) == 0) ||\n\t\t (sin->sin_addr.s_addr == INADDR_ANY) ||\n\t\t (sin->sin_addr.s_addr == INADDR_BROADCAST) ||\n\t\t IN_MULTICAST(ntohl(sin->sin_addr.s_addr))) {\n\t\t\t/* Invalid address */\n\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\n\t\t\t*error = EINVAL;\n\t\t\treturn (NULL);\n\t\t}\n\t\trport = sin->sin_port;\n\t\tbreak;\n\t}\n#endif\n#ifdef INET6\n\tcase AF_INET6:\n\t{\n\t\tstruct sockaddr_in6 *sin6;","\t\tsin6 = (struct sockaddr_in6 *)firstaddr;\n\t\tif ((ntohs(sin6->sin6_port) == 0) ||\n\t\t IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr) ||\n\t\t IN6_IS_ADDR_MULTICAST(&sin6->sin6_addr)) {\n\t\t\t/* Invalid address */\n\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\n\t\t\t*error = EINVAL;\n\t\t\treturn (NULL);\n\t\t}\n\t\trport = sin6->sin6_port;\n\t\tbreak;\n\t}\n#endif\n#if defined(__Userspace__)\n\tcase AF_CONN:\n\t{\n\t\tstruct sockaddr_conn *sconn;","\t\tsconn = (struct sockaddr_conn *)firstaddr;\n\t\tif ((ntohs(sconn->sconn_port) == 0) ||\n\t\t (sconn->sconn_addr == NULL)) {\n\t\t\t/* Invalid address */\n\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\n\t\t\t*error = EINVAL;\n\t\t\treturn (NULL);\n\t\t}\n\t\trport = sconn->sconn_port;\n\t\tbreak;\n\t}\n#endif\n\tdefault:\n\t\t/* not supported family type */\n\t\tSCTP_INP_RUNLOCK(inp);\n\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\n\t\t*error = EINVAL;\n\t\treturn (NULL);\n\t}\n\tSCTP_INP_RUNLOCK(inp);\n\tif (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) {\n\t\t/*\n\t\t * If you have not performed a bind, then we need to do the\n\t\t * ephemeral bind for you.\n\t\t */\n\t\tif ((err = sctp_inpcb_bind(inp->sctp_socket,\n\t\t (struct sockaddr *)NULL,\n\t\t (struct sctp_ifa *)NULL,\n#ifndef __Panda__\n\t\t\t\t\t p\n#else\n\t\t\t\t\t (struct proc *)NULL\n#endif\n\t\t ))) {\n\t\t\t/* bind error, probably perm */\n\t\t\t*error = err;\n\t\t\treturn (NULL);\n\t\t}\n\t}\n\tstcb = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_asoc), struct sctp_tcb);\n\tif (stcb == NULL) {\n\t\t/* out of memory? */\n\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, ENOMEM);\n\t\t*error = ENOMEM;\n\t\treturn (NULL);\n\t}\n\tSCTP_INCR_ASOC_COUNT();","\tmemset(stcb, 0, sizeof(*stcb));\n\tasoc = &stcb->asoc;","\tSCTP_TCB_LOCK_INIT(stcb);\n\tSCTP_TCB_SEND_LOCK_INIT(stcb);\n\tstcb->rport = rport;\n\t/* setup back pointer's */\n\tstcb->sctp_ep = inp;\n\tstcb->sctp_socket = inp->sctp_socket;\n\tif ((err = sctp_init_asoc(inp, stcb, override_tag, vrf_id, o_streams))) {\n\t\t/* failed */\n\t\tSCTP_TCB_LOCK_DESTROY(stcb);\n\t\tSCTP_TCB_SEND_LOCK_DESTROY(stcb);\n\t\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_asoc), stcb);\n\t\tSCTP_DECR_ASOC_COUNT();\n\t\t*error = err;\n\t\treturn (NULL);\n\t}\n\t/* and the port */\n\tSCTP_INP_INFO_WLOCK();\n\tSCTP_INP_WLOCK(inp);\n\tif (inp->sctp_flags & (SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_SOCKET_ALLGONE)) {\n\t\t/* inpcb freed while alloc going on */\n\t\tSCTP_TCB_LOCK_DESTROY(stcb);\n\t\tSCTP_TCB_SEND_LOCK_DESTROY(stcb);\n\t\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_asoc), stcb);\n\t\tSCTP_INP_WUNLOCK(inp);\n\t\tSCTP_INP_INFO_WUNLOCK();\n\t\tSCTP_DECR_ASOC_COUNT();\n\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\n\t\t*error = EINVAL;\n\t\treturn (NULL);\n\t}\n\tSCTP_TCB_LOCK(stcb);","\tasoc->assoc_id = sctp_aloc_a_assoc_id(inp, stcb);\n\t/* now that my_vtag is set, add it to the hash */\n\thead = &SCTP_BASE_INFO(sctp_asochash)[SCTP_PCBHASH_ASOC(stcb->asoc.my_vtag, SCTP_BASE_INFO(hashasocmark))];\n\t/* put it in the bucket in the vtag hash of assoc's for the system */\n\tLIST_INSERT_HEAD(head, stcb, sctp_asocs);\n\tSCTP_INP_INFO_WUNLOCK();","\tif ((err = sctp_add_remote_addr(stcb, firstaddr, NULL, port, SCTP_DO_SETSCOPE, SCTP_ALLOC_ASOC))) {\n\t\t/* failure.. memory error? */\n\t\tif (asoc->strmout) {\n\t\t\tSCTP_FREE(asoc->strmout, SCTP_M_STRMO);\n\t\t\tasoc->strmout = NULL;\n\t\t}\n\t\tif (asoc->mapping_array) {\n\t\t\tSCTP_FREE(asoc->mapping_array, SCTP_M_MAP);\n\t\t\tasoc->mapping_array = NULL;\n\t\t}\n\t\tif (asoc->nr_mapping_array) {\n\t\t\tSCTP_FREE(asoc->nr_mapping_array, SCTP_M_MAP);\n\t\t\tasoc->nr_mapping_array = NULL;\n\t\t}\n\t\tSCTP_DECR_ASOC_COUNT();\n\t\tSCTP_TCB_UNLOCK(stcb);\n\t\tSCTP_TCB_LOCK_DESTROY(stcb);\n\t\tSCTP_TCB_SEND_LOCK_DESTROY(stcb);\n\t\tLIST_REMOVE(stcb, sctp_tcbasocidhash);\n\t\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_asoc), stcb);\n\t\tSCTP_INP_WUNLOCK(inp);\n\t\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, ENOBUFS);\n\t\t*error = ENOBUFS;\n\t\treturn (NULL);\n\t}\n\t/* Init all the timers */\n\tSCTP_OS_TIMER_INIT(&asoc->dack_timer.timer);\n\tSCTP_OS_TIMER_INIT(&asoc->strreset_timer.timer);\n\tSCTP_OS_TIMER_INIT(&asoc->asconf_timer.timer);\n\tSCTP_OS_TIMER_INIT(&asoc->shut_guard_timer.timer);\n\tSCTP_OS_TIMER_INIT(&asoc->autoclose_timer.timer);\n\tSCTP_OS_TIMER_INIT(&asoc->delayed_event_timer.timer);\n\tSCTP_OS_TIMER_INIT(&asoc->delete_prim_timer.timer);","\tLIST_INSERT_HEAD(&inp->sctp_asoc_list, stcb, sctp_tcblist);\n\t/* now file the port under the hash as well */\n\tif (inp->sctp_tcbhash != NULL) {\n\t\thead = &inp->sctp_tcbhash[SCTP_PCBHASH_ALLADDR(stcb->rport,\n\t\t inp->sctp_hashmark)];\n\t\tLIST_INSERT_HEAD(head, stcb, sctp_tcbhash);\n\t}\n\tif (initialize_auth_params == SCTP_INITIALIZE_AUTH_PARAMS) {\n\t\tsctp_initialize_auth_params(inp, stcb);\n\t}\n\tSCTP_INP_WUNLOCK(inp);\n\tSCTPDBG(SCTP_DEBUG_PCB1, \"Association %p now allocated\\n\", (void *)stcb);\n\treturn (stcb);\n}","\nvoid\nsctp_remove_net(struct sctp_tcb *stcb, struct sctp_nets *net)\n{\n\tstruct sctp_association *asoc;","\tasoc = &stcb->asoc;\n\tasoc->numnets--;\n\tTAILQ_REMOVE(&asoc->nets, net, sctp_next);\n\tif (net == asoc->primary_destination) {\n\t\t/* Reset primary */\n\t\tstruct sctp_nets *lnet;","\t\tlnet = TAILQ_FIRST(&asoc->nets);\n\t\t/* Mobility adaptation\n\t\t Ideally, if deleted destination is the primary, it becomes\n\t\t a fast retransmission trigger by the subsequent SET PRIMARY.\n\t\t (by micchie)\n\t\t */\n\t\tif (sctp_is_mobility_feature_on(stcb->sctp_ep,\n\t\t SCTP_MOBILITY_BASE) ||\n\t\t sctp_is_mobility_feature_on(stcb->sctp_ep,\n\t\t SCTP_MOBILITY_FASTHANDOFF)) {\n\t\t\tSCTPDBG(SCTP_DEBUG_ASCONF1, \"remove_net: primary dst is deleting\\n\");\n\t\t\tif (asoc->deleted_primary != NULL) {\n\t\t\t\tSCTPDBG(SCTP_DEBUG_ASCONF1, \"remove_net: deleted primary may be already stored\\n\");\n\t\t\t\tgoto out;\n\t\t\t}\n\t\t\tasoc->deleted_primary = net;\n\t\t\tatomic_add_int(&net->ref_count, 1);\n\t\t\tmemset(&net->lastsa, 0, sizeof(net->lastsa));\n\t\t\tmemset(&net->lastsv, 0, sizeof(net->lastsv));\n\t\t\tsctp_mobility_feature_on(stcb->sctp_ep,\n\t\t\t\t\t\t SCTP_MOBILITY_PRIM_DELETED);\n\t\t\tsctp_timer_start(SCTP_TIMER_TYPE_PRIM_DELETED,\n\t\t\t\t\t stcb->sctp_ep, stcb, NULL);\n\t\t}\nout:\n\t\t/* Try to find a confirmed primary */\n\t\tasoc->primary_destination = sctp_find_alternate_net(stcb, lnet, 0);\n\t}\n\tif (net == asoc->last_data_chunk_from) {\n\t\t/* Reset primary */\n\t\tasoc->last_data_chunk_from = TAILQ_FIRST(&asoc->nets);\n\t}\n\tif (net == asoc->last_control_chunk_from) {\n\t\t/* Clear net */\n\t\tasoc->last_control_chunk_from = NULL;\n\t}\n\tif (net == stcb->asoc.alternate) {\n\t\tsctp_free_remote_addr(stcb->asoc.alternate);\n\t\tstcb->asoc.alternate = NULL;\n\t}\n\tsctp_free_remote_addr(net);\n}","/*\n * remove a remote endpoint address from an association, it will fail if the\n * address does not exist.\n */\nint\nsctp_del_remote_addr(struct sctp_tcb *stcb, struct sockaddr *remaddr)\n{\n\t/*\n\t * Here we need to remove a remote address. This is quite simple, we\n\t * first find it in the list of address for the association\n\t * (tasoc->asoc.nets) and then if it is there, we do a LIST_REMOVE\n\t * on that item. Note we do not allow it to be removed if there are\n\t * no other addresses.\n\t */\n\tstruct sctp_association *asoc;\n\tstruct sctp_nets *net, *nnet;","\tasoc = &stcb->asoc;","\t/* locate the address */\n\tTAILQ_FOREACH_SAFE(net, &asoc->nets, sctp_next, nnet) {\n\t\tif (net->ro._l_addr.sa.sa_family != remaddr->sa_family) {\n\t\t\tcontinue;\n\t\t}\n\t\tif (sctp_cmpaddr((struct sockaddr *)&net->ro._l_addr,\n\t\t remaddr)) {\n\t\t\t/* we found the guy */\n\t\t\tif (asoc->numnets < 2) {\n\t\t\t\t/* Must have at LEAST two remote addresses */\n\t\t\t\treturn (-1);\n\t\t\t} else {\n\t\t\t\tsctp_remove_net(stcb, net);\n\t\t\t\treturn (0);\n\t\t\t}\n\t\t}\n\t}\n\t/* not found. */\n\treturn (-2);\n}","void\nsctp_delete_from_timewait(uint32_t tag, uint16_t lport, uint16_t rport)\n{\n\tstruct sctpvtaghead *chain;\n\tstruct sctp_tagblock *twait_block;\n\tint found = 0;\n\tint i;","\tchain = &SCTP_BASE_INFO(vtag_timewait)[(tag % SCTP_STACK_VTAG_HASH_SIZE)];\n\tLIST_FOREACH(twait_block, chain, sctp_nxt_tagblock) {\n\t\tfor (i = 0; i < SCTP_NUMBER_IN_VTAG_BLOCK; i++) {\n\t\t if ((twait_block->vtag_block[i].v_tag == tag) &&\n\t\t (twait_block->vtag_block[i].lport == lport) &&\n\t\t (twait_block->vtag_block[i].rport == rport)) {\n\t\t\t\ttwait_block->vtag_block[i].tv_sec_at_expire = 0;\n\t\t\t\ttwait_block->vtag_block[i].v_tag = 0;\n\t\t\t\ttwait_block->vtag_block[i].lport = 0;\n\t\t\t\ttwait_block->vtag_block[i].rport = 0;\n\t\t\t\tfound = 1;\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\t\tif (found)\n\t\t\tbreak;\n\t}\n}","int\nsctp_is_in_timewait(uint32_t tag, uint16_t lport, uint16_t rport)\n{\n\tstruct sctpvtaghead *chain;\n\tstruct sctp_tagblock *twait_block;\n\tint found = 0;\n\tint i;","\tSCTP_INP_INFO_WLOCK();\n\tchain = &SCTP_BASE_INFO(vtag_timewait)[(tag % SCTP_STACK_VTAG_HASH_SIZE)];\n\tLIST_FOREACH(twait_block, chain, sctp_nxt_tagblock) {\n\t\tfor (i = 0; i < SCTP_NUMBER_IN_VTAG_BLOCK; i++) {\n\t\t\tif ((twait_block->vtag_block[i].v_tag == tag) &&\n\t\t\t (twait_block->vtag_block[i].lport == lport) &&\n\t\t\t (twait_block->vtag_block[i].rport == rport)) {\n\t\t\t\tfound = 1;\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\t\tif (found)\n\t\t\tbreak;\n\t}\n\tSCTP_INP_INFO_WUNLOCK();\n\treturn (found);\n}","\nvoid\nsctp_add_vtag_to_timewait(uint32_t tag, uint32_t time, uint16_t lport, uint16_t rport)\n{\n\tstruct sctpvtaghead *chain;\n\tstruct sctp_tagblock *twait_block;\n\tstruct timeval now;\n\tint set, i;","\tif (time == 0) {\n\t\t/* Its disabled */\n\t\treturn;\n\t}\n\t(void)SCTP_GETTIME_TIMEVAL(&now);\n\tchain = &SCTP_BASE_INFO(vtag_timewait)[(tag % SCTP_STACK_VTAG_HASH_SIZE)];\n\tset = 0;\n\tLIST_FOREACH(twait_block, chain, sctp_nxt_tagblock) {\n\t\t/* Block(s) present, lets find space, and expire on the fly */\n\t\tfor (i = 0; i < SCTP_NUMBER_IN_VTAG_BLOCK; i++) {\n\t\t\tif ((twait_block->vtag_block[i].v_tag == 0) &&\n\t\t\t !set) {\n\t\t\t\ttwait_block->vtag_block[i].tv_sec_at_expire =\n\t\t\t\t\tnow.tv_sec + time;\n\t\t\t\ttwait_block->vtag_block[i].v_tag = tag;\n\t\t\t\ttwait_block->vtag_block[i].lport = lport;\n\t\t\t\ttwait_block->vtag_block[i].rport = rport;\n\t\t\t\tset = 1;\n\t\t\t} else if ((twait_block->vtag_block[i].v_tag) &&\n\t\t\t\t ((long)twait_block->vtag_block[i].tv_sec_at_expire < now.tv_sec)) {\n\t\t\t\t/* Audit expires this guy */\n\t\t\t\ttwait_block->vtag_block[i].tv_sec_at_expire = 0;\n\t\t\t\ttwait_block->vtag_block[i].v_tag = 0;\n\t\t\t\ttwait_block->vtag_block[i].lport = 0;\n\t\t\t\ttwait_block->vtag_block[i].rport = 0;\n\t\t\t\tif (set == 0) {\n\t\t\t\t\t/* Reuse it for my new tag */\n\t\t\t\t\ttwait_block->vtag_block[i].tv_sec_at_expire = now.tv_sec + time;\n\t\t\t\t\ttwait_block->vtag_block[i].v_tag = tag;\n\t\t\t\t\ttwait_block->vtag_block[i].lport = lport;\n\t\t\t\t\ttwait_block->vtag_block[i].rport = rport;\n\t\t\t\t\tset = 1;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\tif (set) {\n\t\t\t/*\n\t\t\t * We only do up to the block where we can\n\t\t\t * place our tag for audits\n\t\t\t */\n\t\t\tbreak;\n\t\t}\n\t}\n\t/* Need to add a new block to chain */\n\tif (!set) {\n\t\tSCTP_MALLOC(twait_block, struct sctp_tagblock *,\n\t\t sizeof(struct sctp_tagblock), SCTP_M_TIMW);\n\t\tif (twait_block == NULL) {\n#ifdef INVARIANTS\n\t\t\tpanic(\"Can not alloc tagblock\");\n#endif\n\t\t\treturn;\n\t\t}\n\t\tmemset(twait_block, 0, sizeof(struct sctp_tagblock));\n\t\tLIST_INSERT_HEAD(chain, twait_block, sctp_nxt_tagblock);\n\t\ttwait_block->vtag_block[0].tv_sec_at_expire = now.tv_sec + time;\n\t\ttwait_block->vtag_block[0].v_tag = tag;\n\t\ttwait_block->vtag_block[0].lport = lport;\n\t\ttwait_block->vtag_block[0].rport = rport;\n\t}\n}","void\nsctp_clean_up_stream(struct sctp_tcb *stcb, struct sctp_readhead *rh)\n{\n\tstruct sctp_tmit_chunk *chk, *nchk;\n\tstruct sctp_queued_to_read *control, *ncontrol;","\tTAILQ_FOREACH_SAFE(control, rh, next_instrm, ncontrol) {\n\t\tTAILQ_REMOVE(rh, control, next_instrm);\n\t\tcontrol->on_strm_q = 0;\n\t\tif (control->on_read_q == 0) {\n\t\t\tsctp_free_remote_addr(control->whoFrom);\n\t\t\tif (control->data) {\n\t\t\t\tsctp_m_freem(control->data);\n\t\t\t\tcontrol->data = NULL;\n\t\t\t}\n\t\t}\n\t\t/* Reassembly free? */\n\t\tTAILQ_FOREACH_SAFE(chk, &control->reasm, sctp_next, nchk) {\n\t\t\tTAILQ_REMOVE(&control->reasm, chk, sctp_next);\n\t\t\tif (chk->data) {\n\t\t\t\tsctp_m_freem(chk->data);\n\t\t\t\tchk->data = NULL;\n\t\t\t}\n\t\t\tif (chk->holds_key_ref)\n\t\t\t\tsctp_auth_key_release(stcb, chk->auth_keyid, SCTP_SO_LOCKED);\n\t\t\tsctp_free_remote_addr(chk->whoTo);\n\t\t\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_chunk), chk);\n\t\t\tSCTP_DECR_CHK_COUNT();\n\t\t\t/*sa_ignore FREED_MEMORY*/\n\t\t}\n\t\t/*\n\t\t * We don't free the address here\n\t\t * since all the net's were freed\n\t\t * above.\n\t\t */\n\t\tif (control->on_read_q == 0) {\n\t\t\tsctp_free_a_readq(stcb, control);\n\t\t}\n\t}\n}","#ifdef __Panda__\nvoid panda_wakeup_socket(struct socket *so);\n#endif","/*-\n * Free the association after un-hashing the remote port. This\n * function ALWAYS returns holding NO LOCK on the stcb. It DOES\n * expect that the input to this function IS a locked TCB.\n * It will return 0, if it did NOT destroy the association (instead\n * it unlocks it. It will return NON-zero if it either destroyed the\n * association OR the association is already destroyed.\n */\nint\nsctp_free_assoc(struct sctp_inpcb *inp, struct sctp_tcb *stcb, int from_inpcbfree, int from_location)\n{\n\tint i;\n\tstruct sctp_association *asoc;\n\tstruct sctp_nets *net, *nnet;\n\tstruct sctp_laddr *laddr, *naddr;\n\tstruct sctp_tmit_chunk *chk, *nchk;\n\tstruct sctp_asconf_addr *aparam, *naparam;\n\tstruct sctp_asconf_ack *aack, *naack;\n\tstruct sctp_stream_reset_list *strrst, *nstrrst;\n\tstruct sctp_queued_to_read *sq, *nsq;\n\tstruct sctp_stream_queue_pending *sp, *nsp;\n\tsctp_sharedkey_t *shared_key, *nshared_key;\n\tstruct socket *so;","\t/* first, lets purge the entry from the hash table. */\n#if defined(__APPLE__)\n\tsctp_lock_assert(SCTP_INP_SO(inp));\n#endif","#ifdef SCTP_LOG_CLOSING\n\tsctp_log_closing(inp, stcb, 6);\n#endif\n\tif (stcb->asoc.state == 0) {\n#ifdef SCTP_LOG_CLOSING\n\t\tsctp_log_closing(inp, NULL, 7);\n#endif\n\t\t/* there is no asoc, really TSNH :-0 */\n\t\treturn (1);\n\t}\n\tif (stcb->asoc.alternate) {\n\t\tsctp_free_remote_addr(stcb->asoc.alternate);\n\t\tstcb->asoc.alternate = NULL;\n\t}\n#if !defined(__APPLE__) /* TEMP: moved to below */\n /* TEMP CODE */\n\tif (stcb->freed_from_where == 0) {\n\t\t/* Only record the first place free happened from */\n\t\tstcb->freed_from_where = from_location;\n\t}\n /* TEMP CODE */\n#endif","\tasoc = &stcb->asoc;\n\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||\n\t (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE))\n\t\t/* nothing around */\n\t\tso = NULL;\n\telse\n\t\tso = inp->sctp_socket;","\t/*\n\t * We used timer based freeing if a reader or writer is in the way.\n\t * So we first check if we are actually being called from a timer,\n\t * if so we abort early if a reader or writer is still in the way.\n\t */\n\tif ((stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) &&\n\t (from_inpcbfree == SCTP_NORMAL_PROC)) {\n\t\t/*\n\t\t * is it the timer driving us? if so are the reader/writers\n\t\t * gone?\n\t\t */\n\t\tif (stcb->asoc.refcnt) {\n\t\t\t/* nope, reader or writer in the way */\n\t\t\tsctp_timer_start(SCTP_TIMER_TYPE_ASOCKILL, inp, stcb, NULL);\n\t\t\t/* no asoc destroyed */\n\t\t\tSCTP_TCB_UNLOCK(stcb);\n#ifdef SCTP_LOG_CLOSING\n\t\t\tsctp_log_closing(inp, stcb, 8);\n#endif\n\t\t\treturn (0);\n\t\t}\n\t}\n\t/* now clean up any other timers */\n\t(void)SCTP_OS_TIMER_STOP(&asoc->dack_timer.timer);\n\tasoc->dack_timer.self = NULL;\n\t(void)SCTP_OS_TIMER_STOP(&asoc->strreset_timer.timer);\n\t/*-\n\t * For stream reset we don't blast this unless\n\t * it is a str-reset timer, it might be the\n\t * free-asoc timer which we DON'T want to\n\t * disturb.\n\t */\n\tif (asoc->strreset_timer.type == SCTP_TIMER_TYPE_STRRESET)\n\t\tasoc->strreset_timer.self = NULL;\n\t(void)SCTP_OS_TIMER_STOP(&asoc->asconf_timer.timer);\n\tasoc->asconf_timer.self = NULL;\n\t(void)SCTP_OS_TIMER_STOP(&asoc->autoclose_timer.timer);\n\tasoc->autoclose_timer.self = NULL;\n\t(void)SCTP_OS_TIMER_STOP(&asoc->shut_guard_timer.timer);\n\tasoc->shut_guard_timer.self = NULL;\n\t(void)SCTP_OS_TIMER_STOP(&asoc->delayed_event_timer.timer);\n\tasoc->delayed_event_timer.self = NULL;\n\t/* Mobility adaptation */\n\t(void)SCTP_OS_TIMER_STOP(&asoc->delete_prim_timer.timer);\n\tasoc->delete_prim_timer.self = NULL;\n\tTAILQ_FOREACH(net, &asoc->nets, sctp_next) {\n\t\t(void)SCTP_OS_TIMER_STOP(&net->rxt_timer.timer);\n\t\tnet->rxt_timer.self = NULL;\n\t\t(void)SCTP_OS_TIMER_STOP(&net->pmtu_timer.timer);\n\t\tnet->pmtu_timer.self = NULL;\n\t\t(void)SCTP_OS_TIMER_STOP(&net->hb_timer.timer);\n\t\tnet->hb_timer.self = NULL;\n\t}\n\t/* Now the read queue needs to be cleaned up (only once) */\n\tif ((stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) == 0) {\n\t\tSCTP_ADD_SUBSTATE(stcb, SCTP_STATE_ABOUT_TO_BE_FREED);\n\t\tSCTP_INP_READ_LOCK(inp);\n\t\tTAILQ_FOREACH(sq, &inp->read_queue, next) {\n\t\t\tif (sq->stcb == stcb) {\n\t\t\t\tsq->do_not_ref_stcb = 1;\n\t\t\t\tsq->sinfo_cumtsn = stcb->asoc.cumulative_tsn;\n\t\t\t\t/* If there is no end, there never\n\t\t\t\t * will be now.\n\t\t\t\t */\n\t\t\t\tif (sq->end_added == 0) {\n\t\t\t\t\t/* Held for PD-API clear that. */\n\t\t\t\t\tsq->pdapi_aborted = 1;\n\t\t\t\t\tsq->held_length = 0;\n\t\t\t\t\tif (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT) && (so != NULL)) {\n\t\t\t\t\t\t/*\n\t\t\t\t\t\t * Need to add a PD-API aborted indication.\n\t\t\t\t\t\t * Setting the control_pdapi assures that it will\n\t\t\t\t\t\t * be added right after this msg.\n\t\t\t\t\t\t */\n\t\t\t\t\t\tuint32_t strseq;\n\t\t\t\t\t\tstcb->asoc.control_pdapi = sq;\n\t\t\t\t\t\tstrseq = (sq->sinfo_stream << 16) | (sq->mid & 0x0000ffff);\n\t\t\t\t\t\tsctp_ulp_notify(SCTP_NOTIFY_PARTIAL_DELVIERY_INDICATION,\n\t\t\t\t\t\t stcb,\n\t\t\t\t\t\t SCTP_PARTIAL_DELIVERY_ABORTED,\n\t\t\t\t\t\t (void *)&strseq,\n\t\t\t\t\t\t SCTP_SO_LOCKED);\n\t\t\t\t\t\tstcb->asoc.control_pdapi = NULL;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\t/* Add an end to wake them */\n\t\t\t\tsq->end_added = 1;\n\t\t\t}\n\t\t}\n\t\tSCTP_INP_READ_UNLOCK(inp);\n\t\tif (stcb->block_entry) {\n\t\t\tSCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_PCB, ECONNRESET);\n\t\t\tstcb->block_entry->error = ECONNRESET;\n\t\t\tstcb->block_entry = NULL;\n\t\t}\n\t}\n\tif ((stcb->asoc.refcnt) || (stcb->asoc.state & SCTP_STATE_IN_ACCEPT_QUEUE)) {\n\t\t/* Someone holds a reference OR the socket is unaccepted yet.\n\t\t*/\n\t\tif ((stcb->asoc.refcnt) ||\n\t\t (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||\n\t\t (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) {\n\t\t\tSCTP_CLEAR_SUBSTATE(stcb, SCTP_STATE_IN_ACCEPT_QUEUE);\n\t\t\tsctp_timer_start(SCTP_TIMER_TYPE_ASOCKILL, inp, stcb, NULL);\n\t\t}\n\t\tSCTP_TCB_UNLOCK(stcb);\n\t\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||\n\t\t (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE))\n\t\t\t/* nothing around */\n\t\t\tso = NULL;\n\t\tif (so) {\n\t\t\t/* Wake any reader/writers */\n\t\t\tsctp_sorwakeup(inp, so);\n\t\t\tsctp_sowwakeup(inp, so);\n\t\t}","#ifdef SCTP_LOG_CLOSING\n\t\tsctp_log_closing(inp, stcb, 9);\n#endif\n\t\t/* no asoc destroyed */\n\t\treturn (0);\n\t}\n#ifdef SCTP_LOG_CLOSING\n\tsctp_log_closing(inp, stcb, 10);\n#endif\n\t/* When I reach here, no others want\n\t * to kill the assoc yet.. and I own\n\t * the lock. Now its possible an abort\n\t * comes in when I do the lock exchange\n\t * below to grab all the locks to do\n\t * the final take out. to prevent this\n\t * we increment the count, which will\n\t * start a timer and blow out above thus\n\t * assuring us that we hold exclusive\n\t * killing of the asoc. Note that\n\t * after getting back the TCB lock\n\t * we will go ahead and increment the\n\t * counter back up and stop any timer\n\t * a passing stranger may have started :-S\n\t */\n\tif (from_inpcbfree == SCTP_NORMAL_PROC) {\n\t\tatomic_add_int(&stcb->asoc.refcnt, 1);","\t\tSCTP_TCB_UNLOCK(stcb);\n\t\tSCTP_INP_INFO_WLOCK();\n\t\tSCTP_INP_WLOCK(inp);\n\t\tSCTP_TCB_LOCK(stcb);\n\t}\n\t/* Double check the GONE flag */\n\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||\n\t (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE))\n\t\t/* nothing around */\n\t\tso = NULL;","\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\n\t (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {\n\t\t/*\n\t\t * For TCP type we need special handling when we are\n\t\t * connected. We also include the peel'ed off ones to.\n\t\t */\n\t\tif (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {\n\t\t\tinp->sctp_flags &= ~SCTP_PCB_FLAGS_CONNECTED;\n\t\t\tinp->sctp_flags |= SCTP_PCB_FLAGS_WAS_CONNECTED;\n\t\t\tif (so) {\n\t\t\t\tSOCKBUF_LOCK(&so->so_rcv);\n\t\t\t\tso->so_state &= ~(SS_ISCONNECTING |\n\t\t\t\t SS_ISDISCONNECTING |\n\t\t\t\t SS_ISCONFIRMING |\n\t\t\t\t SS_ISCONNECTED);\n\t\t\t\tso->so_state |= SS_ISDISCONNECTED;\n#if defined(__APPLE__)\n\t\t\t\tsocantrcvmore(so);\n#else\n\t\t\t\tsocantrcvmore_locked(so);\n#endif\n\t\t\t\tsocantsendmore(so);\n\t\t\t\tsctp_sowwakeup(inp, so);\n\t\t\t\tsctp_sorwakeup(inp, so);\n\t\t\t\tSCTP_SOWAKEUP(so);\n\t\t\t}\n\t\t}\n\t}","\t/* Make it invalid too, that way if its\n\t * about to run it will abort and return.\n\t */\n\t/* re-increment the lock */\n\tif (from_inpcbfree == SCTP_NORMAL_PROC) {\n\t\tatomic_add_int(&stcb->asoc.refcnt, -1);\n\t}\n\tif (stcb->asoc.refcnt) {\n\t\tSCTP_CLEAR_SUBSTATE(stcb, SCTP_STATE_IN_ACCEPT_QUEUE);\n\t\tsctp_timer_start(SCTP_TIMER_TYPE_ASOCKILL, inp, stcb, NULL);\n\t\tif (from_inpcbfree == SCTP_NORMAL_PROC) {\n\t\t\tSCTP_INP_INFO_WUNLOCK();\n\t\t\tSCTP_INP_WUNLOCK(inp);\n\t\t}\n\t\tSCTP_TCB_UNLOCK(stcb);\n\t\treturn (0);\n\t}\n\tasoc->state = 0;\n\tif (inp->sctp_tcbhash) {\n\t\tLIST_REMOVE(stcb, sctp_tcbhash);\n\t}\n\tif (stcb->asoc.in_asocid_hash) {\n\t\tLIST_REMOVE(stcb, sctp_tcbasocidhash);\n\t}\n\t/* Now lets remove it from the list of ALL associations in the EP */\n\tLIST_REMOVE(stcb, sctp_tcblist);\n\tif (from_inpcbfree == SCTP_NORMAL_PROC) {\n\t\tSCTP_INP_INCR_REF(inp);\n\t\tSCTP_INP_WUNLOCK(inp);\n\t}\n\t/* pull from vtag hash */\n\tLIST_REMOVE(stcb, sctp_asocs);\n\tsctp_add_vtag_to_timewait(asoc->my_vtag, SCTP_BASE_SYSCTL(sctp_vtag_time_wait),\n\t\t\t\t inp->sctp_lport, stcb->rport);","\t/* Now restop the timers to be sure\n\t * this is paranoia at is finest!\n\t */\n\t(void)SCTP_OS_TIMER_STOP(&asoc->strreset_timer.timer);\n\t(void)SCTP_OS_TIMER_STOP(&asoc->dack_timer.timer);\n\t(void)SCTP_OS_TIMER_STOP(&asoc->strreset_timer.timer);\n\t(void)SCTP_OS_TIMER_STOP(&asoc->asconf_timer.timer);\n\t(void)SCTP_OS_TIMER_STOP(&asoc->shut_guard_timer.timer);\n\t(void)SCTP_OS_TIMER_STOP(&asoc->autoclose_timer.timer);\n\t(void)SCTP_OS_TIMER_STOP(&asoc->delayed_event_timer.timer);\n\tTAILQ_FOREACH(net, &asoc->nets, sctp_next) {\n\t\t(void)SCTP_OS_TIMER_STOP(&net->rxt_timer.timer);\n\t\t(void)SCTP_OS_TIMER_STOP(&net->pmtu_timer.timer);\n\t\t(void)SCTP_OS_TIMER_STOP(&net->hb_timer.timer);\n\t}","\tasoc->strreset_timer.type = SCTP_TIMER_TYPE_NONE;\n\t/*\n\t * The chunk lists and such SHOULD be empty but we check them just\n\t * in case.\n\t */\n\t/* anything on the wheel needs to be removed */\n\tSCTP_TCB_SEND_LOCK(stcb);\n\tfor (i = 0; i < asoc->streamoutcnt; i++) {\n\t\tstruct sctp_stream_out *outs;","\t\touts = &asoc->strmout[i];\n\t\t/* now clean up any chunks here */\n\t\tTAILQ_FOREACH_SAFE(sp, &outs->outqueue, next, nsp) {\n\t\t\tatomic_subtract_int(&asoc->stream_queue_cnt, 1);\n\t\t\tTAILQ_REMOVE(&outs->outqueue, sp, next);\n\t\t\tstcb->asoc.ss_functions.sctp_ss_remove_from_stream(stcb, asoc, outs, sp, 1);\n\t\t\tsctp_free_spbufspace(stcb, asoc, sp);\n\t\t\tif (sp->data) {\n\t\t\t\tif (so) {\n\t\t\t\t\t/* Still an open socket - report */\n\t\t\t\t\tsctp_ulp_notify(SCTP_NOTIFY_SPECIAL_SP_FAIL, stcb,\n\t\t\t\t\t 0, (void *)sp, SCTP_SO_LOCKED);\n\t\t\t\t}\n\t\t\t\tif (sp->data) {\n\t\t\t\t\tsctp_m_freem(sp->data);\n\t\t\t\t\tsp->data = NULL;\n\t\t\t\t\tsp->tail_mbuf = NULL;\n\t\t\t\t\tsp->length = 0;\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (sp->net) {\n\t\t\t\tsctp_free_remote_addr(sp->net);\n\t\t\t\tsp->net = NULL;\n\t\t\t}\n\t\t\tsctp_free_a_strmoq(stcb, sp, SCTP_SO_LOCKED);\n\t\t}\n\t}\n\tSCTP_TCB_SEND_UNLOCK(stcb);\n\t/*sa_ignore FREED_MEMORY*/\n\tTAILQ_FOREACH_SAFE(strrst, &asoc->resetHead, next_resp, nstrrst) {\n\t\tTAILQ_REMOVE(&asoc->resetHead, strrst, next_resp);\n\t\tSCTP_FREE(strrst, SCTP_M_STRESET);\n\t}\n\tTAILQ_FOREACH_SAFE(sq, &asoc->pending_reply_queue, next, nsq) {\n\t\tTAILQ_REMOVE(&asoc->pending_reply_queue, sq, next);\n\t\tif (sq->data) {\n\t\t\tsctp_m_freem(sq->data);\n\t\t\tsq->data = NULL;\n\t\t}\n\t\tsctp_free_remote_addr(sq->whoFrom);\n\t\tsq->whoFrom = NULL;\n\t\tsq->stcb = NULL;\n\t\t/* Free the ctl entry */\n\t\tsctp_free_a_readq(stcb, sq);\n\t\t/*sa_ignore FREED_MEMORY*/\n\t}\n\tTAILQ_FOREACH_SAFE(chk, &asoc->free_chunks, sctp_next, nchk) {\n\t\tTAILQ_REMOVE(&asoc->free_chunks, chk, sctp_next);\n\t\tif (chk->data) {\n\t\t\tsctp_m_freem(chk->data);\n\t\t\tchk->data = NULL;\n\t\t}\n\t\tif (chk->holds_key_ref)\n\t\t\tsctp_auth_key_release(stcb, chk->auth_keyid, SCTP_SO_LOCKED);\n\t\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_chunk), chk);\n\t\tSCTP_DECR_CHK_COUNT();\n\t\tatomic_subtract_int(&SCTP_BASE_INFO(ipi_free_chunks), 1);\n\t\tasoc->free_chunk_cnt--;\n\t\t/*sa_ignore FREED_MEMORY*/\n\t}\n\t/* pending send queue SHOULD be empty */\n\tTAILQ_FOREACH_SAFE(chk, &asoc->send_queue, sctp_next, nchk) {\n\t\tif (asoc->strmout[chk->rec.data.sid].chunks_on_queues > 0) {\n\t\t\tasoc->strmout[chk->rec.data.sid].chunks_on_queues--;\n#ifdef INVARIANTS\n\t\t} else {\n\t\t\tpanic(\"No chunks on the queues for sid %u.\", chk->rec.data.sid);\n#endif\n\t\t}\n\t\tTAILQ_REMOVE(&asoc->send_queue, chk, sctp_next);\n\t\tif (chk->data) {\n\t\t\tif (so) {\n\t\t\t\t/* Still a socket? */\n\t\t\t\tsctp_ulp_notify(SCTP_NOTIFY_UNSENT_DG_FAIL, stcb,\n\t\t\t\t 0, chk, SCTP_SO_LOCKED);\n\t\t\t}\n\t\t\tif (chk->data) {\n\t\t\t\tsctp_m_freem(chk->data);\n\t\t\t\tchk->data = NULL;\n\t\t\t}\n\t\t}\n\t\tif (chk->holds_key_ref)\n\t\t\tsctp_auth_key_release(stcb, chk->auth_keyid, SCTP_SO_LOCKED);\n\t\tif (chk->whoTo) {\n\t\t\tsctp_free_remote_addr(chk->whoTo);\n\t\t\tchk->whoTo = NULL;\n\t\t}\n\t\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_chunk), chk);\n\t\tSCTP_DECR_CHK_COUNT();\n\t\t/*sa_ignore FREED_MEMORY*/\n\t}\n\t/* sent queue SHOULD be empty */\n\tTAILQ_FOREACH_SAFE(chk, &asoc->sent_queue, sctp_next, nchk) {\n\t\tif (chk->sent != SCTP_DATAGRAM_NR_ACKED) {\n\t\t\tif (asoc->strmout[chk->rec.data.sid].chunks_on_queues > 0) {\n\t\t\t\tasoc->strmout[chk->rec.data.sid].chunks_on_queues--;\n#ifdef INVARIANTS\n\t\t\t} else {\n\t\t\t\tpanic(\"No chunks on the queues for sid %u.\", chk->rec.data.sid);\n#endif\n\t\t\t}\n\t\t}\n\t\tTAILQ_REMOVE(&asoc->sent_queue, chk, sctp_next);\n\t\tif (chk->data) {\n\t\t\tif (so) {\n\t\t\t\t/* Still a socket? */\n\t\t\t\tsctp_ulp_notify(SCTP_NOTIFY_SENT_DG_FAIL, stcb,\n\t\t\t\t 0, chk, SCTP_SO_LOCKED);\n\t\t\t}\n\t\t\tif (chk->data) {\n\t\t\t\tsctp_m_freem(chk->data);\n\t\t\t\tchk->data = NULL;\n\t\t\t}\n\t\t}\n\t\tif (chk->holds_key_ref)\n\t\t\tsctp_auth_key_release(stcb, chk->auth_keyid, SCTP_SO_LOCKED);\n\t\tsctp_free_remote_addr(chk->whoTo);\n\t\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_chunk), chk);\n\t\tSCTP_DECR_CHK_COUNT();\n\t\t/*sa_ignore FREED_MEMORY*/\n\t}\n#ifdef INVARIANTS\n\tfor (i = 0; i < stcb->asoc.streamoutcnt; i++) {\n\t\tif (stcb->asoc.strmout[i].chunks_on_queues > 0) {\n\t\t\tpanic(\"%u chunks left for stream %u.\", stcb->asoc.strmout[i].chunks_on_queues, i);\n\t\t}\n\t}\n#endif\n\t/* control queue MAY not be empty */\n\tTAILQ_FOREACH_SAFE(chk, &asoc->control_send_queue, sctp_next, nchk) {\n\t\tTAILQ_REMOVE(&asoc->control_send_queue, chk, sctp_next);\n\t\tif (chk->data) {\n\t\t\tsctp_m_freem(chk->data);\n\t\t\tchk->data = NULL;\n\t\t}\n\t\tif (chk->holds_key_ref)\n\t\t\tsctp_auth_key_release(stcb, chk->auth_keyid, SCTP_SO_LOCKED);\n\t\tsctp_free_remote_addr(chk->whoTo);\n\t\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_chunk), chk);\n\t\tSCTP_DECR_CHK_COUNT();\n\t\t/*sa_ignore FREED_MEMORY*/\n\t}\n\t/* ASCONF queue MAY not be empty */\n\tTAILQ_FOREACH_SAFE(chk, &asoc->asconf_send_queue, sctp_next, nchk) {\n\t\tTAILQ_REMOVE(&asoc->asconf_send_queue, chk, sctp_next);\n\t\tif (chk->data) {\n\t\t\tsctp_m_freem(chk->data);\n\t\t\tchk->data = NULL;\n\t\t}\n\t\tif (chk->holds_key_ref)\n\t\t\tsctp_auth_key_release(stcb, chk->auth_keyid, SCTP_SO_LOCKED);\n\t\tsctp_free_remote_addr(chk->whoTo);\n\t\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_chunk), chk);\n\t\tSCTP_DECR_CHK_COUNT();\n\t\t/*sa_ignore FREED_MEMORY*/\n\t}\n\tif (asoc->mapping_array) {\n\t\tSCTP_FREE(asoc->mapping_array, SCTP_M_MAP);\n\t\tasoc->mapping_array = NULL;\n\t}\n\tif (asoc->nr_mapping_array) {\n\t\tSCTP_FREE(asoc->nr_mapping_array, SCTP_M_MAP);\n\t\tasoc->nr_mapping_array = NULL;\n\t}\n\t/* the stream outs */\n\tif (asoc->strmout) {\n\t\tSCTP_FREE(asoc->strmout, SCTP_M_STRMO);\n\t\tasoc->strmout = NULL;\n\t}\n\tasoc->strm_realoutsize = asoc->streamoutcnt = 0;\n\tif (asoc->strmin) {\n\t\tfor (i = 0; i < asoc->streamincnt; i++) {\n\t\t\tsctp_clean_up_stream(stcb, &asoc->strmin[i].inqueue);\n\t\t\tsctp_clean_up_stream(stcb, &asoc->strmin[i].uno_inqueue);\n\t\t}\n\t\tSCTP_FREE(asoc->strmin, SCTP_M_STRMI);\n\t\tasoc->strmin = NULL;\n\t}\n\tasoc->streamincnt = 0;\n\tTAILQ_FOREACH_SAFE(net, &asoc->nets, sctp_next, nnet) {\n#ifdef INVARIANTS\n\t\tif (SCTP_BASE_INFO(ipi_count_raddr) == 0) {\n\t\t\tpanic(\"no net's left alloc'ed, or list points to itself\");\n\t\t}\n#endif\n\t\tTAILQ_REMOVE(&asoc->nets, net, sctp_next);\n\t\tsctp_free_remote_addr(net);\n\t}\n\tLIST_FOREACH_SAFE(laddr, &asoc->sctp_restricted_addrs, sctp_nxt_addr, naddr) {\n\t\t/*sa_ignore FREED_MEMORY*/\n\t\tsctp_remove_laddr(laddr);\n\t}","\t/* pending asconf (address) parameters */\n\tTAILQ_FOREACH_SAFE(aparam, &asoc->asconf_queue, next, naparam) {\n\t\t/*sa_ignore FREED_MEMORY*/\n\t\tTAILQ_REMOVE(&asoc->asconf_queue, aparam, next);\n\t\tSCTP_FREE(aparam,SCTP_M_ASC_ADDR);\n\t}\n\tTAILQ_FOREACH_SAFE(aack, &asoc->asconf_ack_sent, next, naack) {\n\t\t/*sa_ignore FREED_MEMORY*/\n\t\tTAILQ_REMOVE(&asoc->asconf_ack_sent, aack, next);\n\t\tif (aack->data != NULL) {\n\t\t\tsctp_m_freem(aack->data);\n\t\t}\n\t\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_asconf_ack), aack);\n\t}\n\t/* clean up auth stuff */\n\tif (asoc->local_hmacs)\n\t\tsctp_free_hmaclist(asoc->local_hmacs);\n\tif (asoc->peer_hmacs)\n\t\tsctp_free_hmaclist(asoc->peer_hmacs);","\tif (asoc->local_auth_chunks)\n\t\tsctp_free_chunklist(asoc->local_auth_chunks);\n\tif (asoc->peer_auth_chunks)\n\t\tsctp_free_chunklist(asoc->peer_auth_chunks);","\tsctp_free_authinfo(&asoc->authinfo);","\tLIST_FOREACH_SAFE(shared_key, &asoc->shared_keys, next, nshared_key) {\n\t\tLIST_REMOVE(shared_key, next);\n\t\tsctp_free_sharedkey(shared_key);\n\t\t/*sa_ignore FREED_MEMORY*/\n\t}","\t/* Insert new items here :> */","\t/* Get rid of LOCK */\n\tSCTP_TCB_UNLOCK(stcb);\n\tSCTP_TCB_LOCK_DESTROY(stcb);\n\tSCTP_TCB_SEND_LOCK_DESTROY(stcb);\n\tif (from_inpcbfree == SCTP_NORMAL_PROC) {\n\t\tSCTP_INP_INFO_WUNLOCK();\n\t\tSCTP_INP_RLOCK(inp);\n\t}\n#if defined(__APPLE__) /* TEMP CODE */\n\tstcb->freed_from_where = from_location;\n#endif\n#ifdef SCTP_TRACK_FREED_ASOCS\n\tif (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) {\n\t\t/* now clean up the tasoc itself */\n\t\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_asoc), stcb);\n\t\tSCTP_DECR_ASOC_COUNT();\n\t} else {\n\t\tLIST_INSERT_HEAD(&inp->sctp_asoc_free_list, stcb, sctp_tcblist);\n\t}\n#else\n\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_asoc), stcb);\n\tSCTP_DECR_ASOC_COUNT();\n#endif\n\tif (from_inpcbfree == SCTP_NORMAL_PROC) {\n\t\tif (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) {\n\t\t\t/* If its NOT the inp_free calling us AND\n\t\t\t * sctp_close as been called, we\n\t\t\t * call back...\n\t\t\t */\n\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t\t/* This will start the kill timer (if we are\n\t\t\t * the last one) since we hold an increment yet. But\n\t\t\t * this is the only safe way to do this\n\t\t\t * since otherwise if the socket closes\n\t\t\t * at the same time we are here we might\n\t\t\t * collide in the cleanup.\n\t\t\t */\n\t\t\tsctp_inpcb_free(inp,\n\t\t\t\t\tSCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE,\n\t\t\t\t\tSCTP_CALLED_DIRECTLY_NOCMPSET);\n\t\t\tSCTP_INP_DECR_REF(inp);\n\t\t\tgoto out_of;\n\t\t} else {\n\t\t\t/* The socket is still open. */\n\t\t\tSCTP_INP_DECR_REF(inp);\n\t\t}\n\t}\n\tif (from_inpcbfree == SCTP_NORMAL_PROC) {\n\t\tSCTP_INP_RUNLOCK(inp);\n\t}\n out_of:\n\t/* destroyed the asoc */\n#ifdef SCTP_LOG_CLOSING\n\tsctp_log_closing(inp, NULL, 11);\n#endif\n\treturn (1);\n}","","/*\n * determine if a destination is \"reachable\" based upon the addresses bound\n * to the current endpoint (e.g. only v4 or v6 currently bound)\n */\n/*\n * FIX: if we allow assoc-level bindx(), then this needs to be fixed to use\n * assoc level v4/v6 flags, as the assoc *may* not have the same address\n * types bound as its endpoint\n */\nint\nsctp_destination_is_reachable(struct sctp_tcb *stcb, struct sockaddr *destaddr)\n{\n\tstruct sctp_inpcb *inp;\n\tint answer;","\t/*\n\t * No locks here, the TCB, in all cases is already locked and an\n\t * assoc is up. There is either a INP lock by the caller applied (in\n\t * asconf case when deleting an address) or NOT in the HB case,\n\t * however if HB then the INP increment is up and the INP will not\n\t * be removed (on top of the fact that we have a TCB lock). So we\n\t * only want to read the sctp_flags, which is either bound-all or\n\t * not.. no protection needed since once an assoc is up you can't be\n\t * changing your binding.\n\t */\n\tinp = stcb->sctp_ep;\n\tif (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {\n\t\t/* if bound all, destination is not restricted */\n\t\t/*\n\t\t * RRS: Question during lock work: Is this correct? If you\n\t\t * are bound-all you still might need to obey the V4--V6\n\t\t * flags??? IMO this bound-all stuff needs to be removed!\n\t\t */\n\t\treturn (1);\n\t}\n\t/* NOTE: all \"scope\" checks are done when local addresses are added */\n\tswitch (destaddr->sa_family) {\n#ifdef INET6\n\tcase AF_INET6:\n#if !(defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__))\n\t\tanswer = inp->inp_vflag & INP_IPV6;\n#else\n\t\tanswer = inp->ip_inp.inp.inp_vflag & INP_IPV6;\n#endif\n\t\tbreak;\n#endif\n#ifdef INET\n\tcase AF_INET:\n#if !(defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__))\n\t\tanswer = inp->inp_vflag & INP_IPV4;\n#else\n\t\tanswer = inp->ip_inp.inp.inp_vflag & INP_IPV4;\n#endif\n\t\tbreak;\n#endif\n#if defined(__Userspace__)\n\tcase AF_CONN:\n\t\tanswer = inp->ip_inp.inp.inp_vflag & INP_CONN;\n\t\tbreak;\n#endif\n\tdefault:\n\t\t/* invalid family, so it's unreachable */\n\t\tanswer = 0;\n\t\tbreak;\n\t}\n\treturn (answer);\n}","/*\n * update the inp_vflags on an endpoint\n */\nstatic void\nsctp_update_ep_vflag(struct sctp_inpcb *inp)\n{\n\tstruct sctp_laddr *laddr;","\t/* first clear the flag */\n#if !(defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__))\n\tinp->inp_vflag = 0;\n#else\n\tinp->ip_inp.inp.inp_vflag = 0;\n#endif\n\t/* set the flag based on addresses on the ep list */\n\tLIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {\n\t\tif (laddr->ifa == NULL) {\n\t\t\tSCTPDBG(SCTP_DEBUG_PCB1, \"%s: NULL ifa\\n\",\n\t\t\t\t__func__);\n\t\t\tcontinue;\n\t\t}","\t\tif (laddr->ifa->localifa_flags & SCTP_BEING_DELETED) {\n\t\t\tcontinue;\n\t\t}\n\t\tswitch (laddr->ifa->address.sa.sa_family) {\n#ifdef INET6\n\t\tcase AF_INET6:\n#if !(defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__))\n\t\t\tinp->inp_vflag |= INP_IPV6;\n#else\n\t\t\tinp->ip_inp.inp.inp_vflag |= INP_IPV6;\n#endif\n\t\t\tbreak;\n#endif\n#ifdef INET\n\t\tcase AF_INET:\n#if !(defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__))\n\t\t\tinp->inp_vflag |= INP_IPV4;\n#else\n\t\t\tinp->ip_inp.inp.inp_vflag |= INP_IPV4;\n#endif\n\t\t\tbreak;\n#endif\n#if defined(__Userspace__)\n\t\tcase AF_CONN:\n\t\t\tinp->ip_inp.inp.inp_vflag |= INP_CONN;\n\t\t\tbreak;\n#endif\n\t\tdefault:\n\t\t\tbreak;\n\t\t}\n\t}\n}","/*\n * Add the address to the endpoint local address list There is nothing to be\n * done if we are bound to all addresses\n */\nvoid\nsctp_add_local_addr_ep(struct sctp_inpcb *inp, struct sctp_ifa *ifa, uint32_t action)\n{\n\tstruct sctp_laddr *laddr;\n\tstruct sctp_tcb *stcb;\n\tint fnd, error = 0;","\tfnd = 0;","\tif (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {\n\t\t/* You are already bound to all. You have it already */\n\t\treturn;\n\t}\n#ifdef INET6\n\tif (ifa->address.sa.sa_family == AF_INET6) {\n\t\tif (ifa->localifa_flags & SCTP_ADDR_IFA_UNUSEABLE) {\n\t\t\t/* Can't bind a non-useable addr. */\n\t\t\treturn;\n\t\t}\n\t}\n#endif\n\t/* first, is it already present? */\n\tLIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {\n\t\tif (laddr->ifa == ifa) {\n\t\t\tfnd = 1;\n\t\t\tbreak;\n\t\t}\n\t}","\tif (fnd == 0) {\n\t\t/* Not in the ep list */\n\t\terror = sctp_insert_laddr(&inp->sctp_addr_list, ifa, action);\n\t\tif (error != 0)\n\t\t\treturn;\n\t\tinp->laddr_count++;\n\t\t/* update inp_vflag flags */\n\t\tswitch (ifa->address.sa.sa_family) {\n#ifdef INET6\n\t\tcase AF_INET6:\n#if !(defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__))\n\t\t\tinp->inp_vflag |= INP_IPV6;\n#else\n\t\t\tinp->ip_inp.inp.inp_vflag |= INP_IPV6;\n#endif\n\t\t\tbreak;\n#endif\n#ifdef INET\n\t\tcase AF_INET:\n#if !(defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__))\n\t\t\tinp->inp_vflag |= INP_IPV4;\n#else\n\t\t\tinp->ip_inp.inp.inp_vflag |= INP_IPV4;\n#endif\n\t\t\tbreak;\n#endif\n#if defined(__Userspace__)\n\t\tcase AF_CONN:\n\t\t\tinp->ip_inp.inp.inp_vflag |= INP_CONN;\n\t\t\tbreak;\n#endif\n\t\tdefault:\n\t\t\tbreak;\n\t\t}\n\t\tLIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {\n\t\t\tsctp_add_local_addr_restricted(stcb, ifa);\n\t\t}\n\t}\n\treturn;\n}","\n/*\n * select a new (hopefully reachable) destination net (should only be used\n * when we deleted an ep addr that is the only usable source address to reach\n * the destination net)\n */\nstatic void\nsctp_select_primary_destination(struct sctp_tcb *stcb)\n{\n\tstruct sctp_nets *net;","\tTAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {\n\t\t/* for now, we'll just pick the first reachable one we find */\n\t\tif (net->dest_state & SCTP_ADDR_UNCONFIRMED)\n\t\t\tcontinue;\n\t\tif (sctp_destination_is_reachable(stcb,\n\t\t (struct sockaddr *)&net->ro._l_addr)) {\n\t\t\t/* found a reachable destination */\n\t\t\tstcb->asoc.primary_destination = net;\n\t\t}\n\t}\n\t/* I can't there from here! ...we're gonna die shortly... */\n}","\n/*\n * Delete the address from the endpoint local address list. There is nothing\n * to be done if we are bound to all addresses\n */\nvoid\nsctp_del_local_addr_ep(struct sctp_inpcb *inp, struct sctp_ifa *ifa)\n{\n\tstruct sctp_laddr *laddr;\n\tint fnd;","\tfnd = 0;\n\tif (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {\n\t\t/* You are already bound to all. You have it already */\n\t\treturn;\n\t}\n\tLIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {\n\t\tif (laddr->ifa == ifa) {\n\t\t\tfnd = 1;\n\t\t\tbreak;\n\t\t}\n\t}\n\tif (fnd && (inp->laddr_count < 2)) {\n\t\t/* can't delete unless there are at LEAST 2 addresses */\n\t\treturn;\n\t}\n\tif (fnd) {\n\t\t/*\n\t\t * clean up any use of this address go through our\n\t\t * associations and clear any last_used_address that match\n\t\t * this one for each assoc, see if a new primary_destination\n\t\t * is needed\n\t\t */\n\t\tstruct sctp_tcb *stcb;","\t\t/* clean up \"next_addr_touse\" */\n\t\tif (inp->next_addr_touse == laddr)\n\t\t\t/* delete this address */\n\t\t\tinp->next_addr_touse = NULL;","\t\t/* clean up \"last_used_address\" */\n\t\tLIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {\n\t\t\tstruct sctp_nets *net;","\t\t\tSCTP_TCB_LOCK(stcb);\n\t\t\tif (stcb->asoc.last_used_address == laddr)\n\t\t\t\t/* delete this address */\n\t\t\t\tstcb->asoc.last_used_address = NULL;\n\t\t\t/* Now spin through all the nets and purge any ref to laddr */\n\t\t\tTAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {\n\t\t\t\tif (net->ro._s_addr == laddr->ifa) {\n\t\t\t\t\t/* Yep, purge src address selected */\n\t\t\t\t\tsctp_rtentry_t *rt;","\t\t\t\t\t/* delete this address if cached */\n\t\t\t\t\trt = net->ro.ro_rt;\n\t\t\t\t\tif (rt != NULL) {\n\t\t\t\t\t\tRTFREE(rt);\n\t\t\t\t\t\tnet->ro.ro_rt = NULL;\n\t\t\t\t\t}\n\t\t\t\t\tsctp_free_ifa(net->ro._s_addr);\n\t\t\t\t\tnet->ro._s_addr = NULL;\n\t\t\t\t\tnet->src_addr_selected = 0;\n\t\t\t\t}\n\t\t\t}\n\t\t\tSCTP_TCB_UNLOCK(stcb);\n\t\t}\t\t/* for each tcb */\n\t\t/* remove it from the ep list */\n\t\tsctp_remove_laddr(laddr);\n\t\tinp->laddr_count--;\n\t\t/* update inp_vflag flags */\n\t\tsctp_update_ep_vflag(inp);\n\t}\n\treturn;\n}","/*\n * Add the address to the TCB local address restricted list.\n * This is a \"pending\" address list (eg. addresses waiting for an\n * ASCONF-ACK response) and cannot be used as a valid source address.\n */\nvoid\nsctp_add_local_addr_restricted(struct sctp_tcb *stcb, struct sctp_ifa *ifa)\n{\n\tstruct sctp_laddr *laddr;\n\tstruct sctpladdr *list;","\t/*\n\t * Assumes TCB is locked.. and possibly the INP. May need to\n\t * confirm/fix that if we need it and is not the case.\n\t */\n\tlist = &stcb->asoc.sctp_restricted_addrs;","#ifdef INET6\n\tif (ifa->address.sa.sa_family == AF_INET6) {\n\t\tif (ifa->localifa_flags & SCTP_ADDR_IFA_UNUSEABLE) {\n\t\t\t/* Can't bind a non-existent addr. */\n\t\t\treturn;\n\t\t}\n\t}\n#endif\n\t/* does the address already exist? */\n\tLIST_FOREACH(laddr, list, sctp_nxt_addr) {\n\t\tif (laddr->ifa == ifa) {\n\t\t\treturn;\n\t\t}\n\t}","\t/* add to the list */\n\t(void)sctp_insert_laddr(list, ifa, 0);\n\treturn;\n}","/*\n * Remove a local address from the TCB local address restricted list\n */\nvoid\nsctp_del_local_addr_restricted(struct sctp_tcb *stcb, struct sctp_ifa *ifa)\n{\n\tstruct sctp_inpcb *inp;\n\tstruct sctp_laddr *laddr;","\t/*\n\t * This is called by asconf work. It is assumed that a) The TCB is\n\t * locked and b) The INP is locked. This is true in as much as I can\n\t * trace through the entry asconf code where I did these locks.\n\t * Again, the ASCONF code is a bit different in that it does lock\n\t * the INP during its work often times. This must be since we don't\n\t * want other proc's looking up things while what they are looking\n\t * up is changing :-D\n\t */","\tinp = stcb->sctp_ep;\n\t/* if subset bound and don't allow ASCONF's, can't delete last */\n\tif (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) &&\n\t sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_ASCONF)) {\n\t\tif (stcb->sctp_ep->laddr_count < 2) {\n\t\t\t/* can't delete last address */\n\t\t\treturn;\n\t\t}\n\t}\n\tLIST_FOREACH(laddr, &stcb->asoc.sctp_restricted_addrs, sctp_nxt_addr) {\n\t\t/* remove the address if it exists */\n\t\tif (laddr->ifa == NULL)\n\t\t\tcontinue;\n\t\tif (laddr->ifa == ifa) {\n\t\t\tsctp_remove_laddr(laddr);\n\t\t\treturn;\n\t\t}\n\t}","\t/* address not found! */\n\treturn;\n}","#if defined(__FreeBSD__)\n/*\n * Temporarily remove for __APPLE__ until we use the Tiger equivalents\n */\n/* sysctl */\nstatic int sctp_max_number_of_assoc = SCTP_MAX_NUM_OF_ASOC;\nstatic int sctp_scale_up_for_address = SCTP_SCALE_FOR_ADDR;\n#endif\t\t\t\t/* FreeBSD || APPLE */","","#if defined(__FreeBSD__) && defined(SCTP_MCORE_INPUT) && defined(SMP)\nstruct sctp_mcore_ctrl *sctp_mcore_workers = NULL;\nint *sctp_cpuarry = NULL;\nvoid\nsctp_queue_to_mcore(struct mbuf *m, int off, int cpu_to_use)\n{\n\t/* Queue a packet to a processor for the specified core */\n\tstruct sctp_mcore_queue *qent;\n\tstruct sctp_mcore_ctrl *wkq;\n\tint need_wake = 0;\n\tif (sctp_mcore_workers == NULL) {\n\t\t/* Something went way bad during setup */\n\t\tsctp_input_with_port(m, off, 0);\n\t\treturn;\n\t}\n\tSCTP_MALLOC(qent, struct sctp_mcore_queue *,\n\t\t (sizeof(struct sctp_mcore_queue)),\n\t\t SCTP_M_MCORE);\n\tif (qent == NULL) {\n\t\t/* This is trouble */\n\t\tsctp_input_with_port(m, off, 0);\n\t\treturn;\n\t}\n#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\n\tqent->vn = curvnet;\n#endif\n\tqent->m = m;\n\tqent->off = off;\n\tqent->v6 = 0;\n\twkq = &sctp_mcore_workers[cpu_to_use];\n\tSCTP_MCORE_QLOCK(wkq);","\tTAILQ_INSERT_TAIL(&wkq->que, qent, next);\n\tif (wkq->running == 0) {\n\t\tneed_wake = 1;\n\t}\n\tSCTP_MCORE_QUNLOCK(wkq);\n\tif (need_wake) {\n\t\twakeup(&wkq->running);\n\t}\n}","static void\nsctp_mcore_thread(void *arg)\n{","\tstruct sctp_mcore_ctrl *wkq;\n\tstruct sctp_mcore_queue *qent;","\twkq = (struct sctp_mcore_ctrl *)arg;\n\tstruct mbuf *m;\n\tint off, v6;","\t/* Wait for first tickle */\n\tSCTP_MCORE_LOCK(wkq);\n\twkq->running = 0;\n\tmsleep(&wkq->running,\n\t &wkq->core_mtx,\n\t 0, \"wait for pkt\", 0);\n\tSCTP_MCORE_UNLOCK(wkq);","\t/* Bind to our cpu */\n\tthread_lock(curthread);\n\tsched_bind(curthread, wkq->cpuid);\n\tthread_unlock(curthread);","\t/* Now lets start working */\n\tSCTP_MCORE_LOCK(wkq);\n\t/* Now grab lock and go */\n\tfor (;;) {\n\t\tSCTP_MCORE_QLOCK(wkq);\n\tskip_sleep:\n\t\twkq->running = 1;\n\t\tqent = TAILQ_FIRST(&wkq->que);\n\t\tif (qent) {\n\t\t\tTAILQ_REMOVE(&wkq->que, qent, next);\n\t\t\tSCTP_MCORE_QUNLOCK(wkq);\n#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\n\t\t\tCURVNET_SET(qent->vn);\n#endif\n\t\t\tm = qent->m;\n\t\t\toff = qent->off;\n\t\t\tv6 = qent->v6;\n\t\t\tSCTP_FREE(qent, SCTP_M_MCORE);\n\t\t\tif (v6 == 0) {\n\t\t\t\tsctp_input_with_port(m, off, 0);\n\t\t\t} else {\n\t\t\t\tSCTP_PRINTF(\"V6 not yet supported\\n\");\n\t\t\t\tsctp_m_freem(m);\n\t\t\t}\n#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\n\t\t\tCURVNET_RESTORE();\n#endif\n\t\t\tSCTP_MCORE_QLOCK(wkq);\n\t\t}\n\t\twkq->running = 0;\n\t\tif (!TAILQ_EMPTY(&wkq->que)) {\n\t\t\tgoto skip_sleep;\n\t\t}\n\t\tSCTP_MCORE_QUNLOCK(wkq);\n\t\tmsleep(&wkq->running,\n\t\t &wkq->core_mtx,\n\t\t 0, \"wait for pkt\", 0);\n\t}\n}","static void\nsctp_startup_mcore_threads(void)\n{\n\tint i, cpu;","\tif (mp_ncpus == 1)\n\t\treturn;","\tif (sctp_mcore_workers != NULL) {\n\t\t/* Already been here in some previous\n\t\t * vnet?\n\t\t */\n\t\treturn;\n\t}\n\tSCTP_MALLOC(sctp_mcore_workers, struct sctp_mcore_ctrl *,\n\t\t ((mp_maxid+1) * sizeof(struct sctp_mcore_ctrl)),\n\t\t SCTP_M_MCORE);\n\tif (sctp_mcore_workers == NULL) {\n\t\t/* TSNH I hope */\n\t\treturn;\n\t}\n\tmemset(sctp_mcore_workers, 0 , ((mp_maxid+1) *\n\t\t\t\t\tsizeof(struct sctp_mcore_ctrl)));\n\t/* Init the structures */\n\tfor (i = 0; i<=mp_maxid; i++) {\n\t\tTAILQ_INIT(&sctp_mcore_workers[i].que);\n\t\tSCTP_MCORE_LOCK_INIT(&sctp_mcore_workers[i]);\n\t\tSCTP_MCORE_QLOCK_INIT(&sctp_mcore_workers[i]);\n\t\tsctp_mcore_workers[i].cpuid = i;\n\t}\n\tif (sctp_cpuarry == NULL) {\n\t\tSCTP_MALLOC(sctp_cpuarry, int *,\n\t\t\t (mp_ncpus * sizeof(int)),\n\t\t\t SCTP_M_MCORE);\n\t\ti = 0;\n\t\tCPU_FOREACH(cpu) {\n\t\t\tsctp_cpuarry[i] = cpu;\n\t\t\ti++;\n\t\t}\n\t}","\t/* Now start them all */\n\tCPU_FOREACH(cpu) {\n#if __FreeBSD_version <= 701000\n\t\t(void)kthread_create(sctp_mcore_thread,\n\t\t\t\t (void *)&sctp_mcore_workers[cpu],\n\t\t\t\t &sctp_mcore_workers[cpu].thread_proc,\n\t\t\t\t RFPROC,\n\t\t\t\t SCTP_KTHREAD_PAGES,\n\t\t\t\t SCTP_MCORE_NAME);","#else\n\t\t(void)kproc_create(sctp_mcore_thread,\n\t\t\t\t (void *)&sctp_mcore_workers[cpu],\n\t\t\t\t &sctp_mcore_workers[cpu].thread_proc,\n\t\t\t\t RFPROC,\n\t\t\t\t SCTP_KTHREAD_PAGES,\n\t\t\t\t SCTP_MCORE_NAME);\n#endif","\t}\n}\n#endif\n#if defined(__FreeBSD__) && __FreeBSD_cc_version >= 1400000\nstatic struct mbuf *\nsctp_netisr_hdlr(struct mbuf *m, uintptr_t source)\n{\n\tstruct ip *ip;\n\tstruct sctphdr *sh;\n\tint offset;\n\tuint32_t flowid, tag;","\t/*\n\t * No flow id built by lower layers fix it so we\n\t * create one.\n\t */\n\tip = mtod(m, struct ip *);\n\toffset = (ip->ip_hl << 2) + sizeof(struct sctphdr);\n\tif (SCTP_BUF_LEN(m) < offset) {\n\t\tif ((m = m_pullup(m, offset)) == NULL) {\n\t\t\tSCTP_STAT_INCR(sctps_hdrops);\n\t\t\treturn (NULL);\n\t\t}\n\t\tip = mtod(m, struct ip *);\n\t}\n\tsh = (struct sctphdr *)((caddr_t)ip + (ip->ip_hl << 2));\n\ttag = htonl(sh->v_tag);\n\tflowid = tag ^ ntohs(sh->dest_port) ^ ntohs(sh->src_port);\n\tm->m_pkthdr.flowid = flowid;\n/* FIX ME */\n\tm->m_flags |= M_FLOWID;\n\treturn (m);\n}\n#endif","void\n#if defined(__Userspace__)\nsctp_pcb_init(int start_threads)\n#else\nsctp_pcb_init(void)\n#endif\n{\n\t/*\n\t * SCTP initialization for the PCB structures should be called by\n\t * the sctp_init() function.\n\t */\n\tint i;\n\tstruct timeval tv;","\tif (SCTP_BASE_VAR(sctp_pcb_initialized) != 0) {\n\t\t/* error I was called twice */\n\t\treturn;\n\t}\n\tSCTP_BASE_VAR(sctp_pcb_initialized) = 1;","#if defined(SCTP_PROCESS_LEVEL_LOCKS)\n#if !defined(__Userspace_os_Windows)\n\tpthread_mutexattr_init(&SCTP_BASE_VAR(mtx_attr));\n#ifdef INVARIANTS\n\tpthread_mutexattr_settype(&SCTP_BASE_VAR(mtx_attr), PTHREAD_MUTEX_ERRORCHECK);\n#endif\n#endif\n#endif\n#if defined(SCTP_LOCAL_TRACE_BUF)\n#if defined(__Windows__)\n\tif (SCTP_BASE_SYSCTL(sctp_log) != NULL) {\n\t\tmemset(SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log));\n\t}\n#else\n\tmemset(&SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log));\n#endif\n#endif\n#if defined(__FreeBSD__) && defined(SMP) && defined(SCTP_USE_PERCPU_STAT)\n\tSCTP_MALLOC(SCTP_BASE_STATS, struct sctpstat *,\n\t\t ((mp_maxid+1) * sizeof(struct sctpstat)),\n\t\t SCTP_M_MCORE);\n#endif\n\t(void)SCTP_GETTIME_TIMEVAL(&tv);\n#if defined(__FreeBSD__) && defined(SMP) && defined(SCTP_USE_PERCPU_STAT)\n\tmemset(SCTP_BASE_STATS, 0, sizeof(struct sctpstat) * (mp_maxid+1));\n\tSCTP_BASE_STATS[PCPU_GET(cpuid)].sctps_discontinuitytime.tv_sec = (uint32_t)tv.tv_sec;\n\tSCTP_BASE_STATS[PCPU_GET(cpuid)].sctps_discontinuitytime.tv_usec = (uint32_t)tv.tv_usec;\n#else\n\tmemset(&SCTP_BASE_STATS, 0, sizeof(struct sctpstat));\n\tSCTP_BASE_STAT(sctps_discontinuitytime).tv_sec = (uint32_t)tv.tv_sec;\n\tSCTP_BASE_STAT(sctps_discontinuitytime).tv_usec = (uint32_t)tv.tv_usec;\n#endif\n\t/* init the empty list of (All) Endpoints */\n\tLIST_INIT(&SCTP_BASE_INFO(listhead));\n#if defined(__APPLE__)\n\tLIST_INIT(&SCTP_BASE_INFO(inplisthead));\n#if defined(APPLE_LEOPARD) || defined(APPLE_SNOWLEOPARD) || defined(APPLE_LION) || defined(APPLE_MOUNTAINLION)\n\tSCTP_BASE_INFO(sctbinfo).listhead = &SCTP_BASE_INFO(inplisthead);\n\tSCTP_BASE_INFO(sctbinfo).mtx_grp_attr = lck_grp_attr_alloc_init();\n\tlck_grp_attr_setdefault(SCTP_BASE_INFO(sctbinfo).mtx_grp_attr);\n\tSCTP_BASE_INFO(sctbinfo).mtx_grp = lck_grp_alloc_init(\"sctppcb\", SCTP_BASE_INFO(sctbinfo).mtx_grp_attr);\n\tSCTP_BASE_INFO(sctbinfo).mtx_attr = lck_attr_alloc_init();\n\tlck_attr_setdefault(SCTP_BASE_INFO(sctbinfo).mtx_attr);\n#else\n\tSCTP_BASE_INFO(sctbinfo).ipi_listhead = &SCTP_BASE_INFO(inplisthead);\n\tSCTP_BASE_INFO(sctbinfo).ipi_lock_grp_attr = lck_grp_attr_alloc_init();\n\tlck_grp_attr_setdefault(SCTP_BASE_INFO(sctbinfo).ipi_lock_grp_attr);\n\tSCTP_BASE_INFO(sctbinfo).ipi_lock_grp = lck_grp_alloc_init(\"sctppcb\", SCTP_BASE_INFO(sctbinfo).ipi_lock_grp_attr);\n\tSCTP_BASE_INFO(sctbinfo).ipi_lock_attr = lck_attr_alloc_init();\n\tlck_attr_setdefault(SCTP_BASE_INFO(sctbinfo).ipi_lock_attr);\n#endif\n#if !defined(APPLE_LEOPARD) && !defined(APPLE_SNOWLEOPARD) && !defined(APPLE_LION) && !defined(APPLE_MOUNTAINLION)\n\tSCTP_BASE_INFO(sctbinfo).ipi_gc = sctp_gc;\n\tin_pcbinfo_attach(&SCTP_BASE_INFO(sctbinfo));\n#endif\n#endif","\n\t/* init the hash table of endpoints */\n#if defined(__FreeBSD__)\n#if defined(__FreeBSD_cc_version) && __FreeBSD_cc_version >= 440000\n\tTUNABLE_INT_FETCH(\"net.inet.sctp.tcbhashsize\", &SCTP_BASE_SYSCTL(sctp_hashtblsize));\n\tTUNABLE_INT_FETCH(\"net.inet.sctp.pcbhashsize\", &SCTP_BASE_SYSCTL(sctp_pcbtblsize));\n\tTUNABLE_INT_FETCH(\"net.inet.sctp.chunkscale\", &SCTP_BASE_SYSCTL(sctp_chunkscale));\n#else\n\tTUNABLE_INT_FETCH(\"net.inet.sctp.tcbhashsize\", SCTP_TCBHASHSIZE,\n\t\t\t SCTP_BASE_SYSCTL(sctp_hashtblsize));\n\tTUNABLE_INT_FETCH(\"net.inet.sctp.pcbhashsize\", SCTP_PCBHASHSIZE,\n\t\t\t SCTP_BASE_SYSCTL(sctp_pcbtblsize));\n\tTUNABLE_INT_FETCH(\"net.inet.sctp.chunkscale\", SCTP_CHUNKQUEUE_SCALE,\n\t\t\t SCTP_BASE_SYSCTL(sctp_chunkscale));\n#endif\n#endif\n\tSCTP_BASE_INFO(sctp_asochash) = SCTP_HASH_INIT((SCTP_BASE_SYSCTL(sctp_hashtblsize) * 31),\n\t\t\t\t\t\t &SCTP_BASE_INFO(hashasocmark));\n\tSCTP_BASE_INFO(sctp_ephash) = SCTP_HASH_INIT(SCTP_BASE_SYSCTL(sctp_hashtblsize),\n\t\t\t\t\t\t &SCTP_BASE_INFO(hashmark));\n\tSCTP_BASE_INFO(sctp_tcpephash) = SCTP_HASH_INIT(SCTP_BASE_SYSCTL(sctp_hashtblsize),\n\t\t\t\t\t\t\t&SCTP_BASE_INFO(hashtcpmark));\n\tSCTP_BASE_INFO(hashtblsize) = SCTP_BASE_SYSCTL(sctp_hashtblsize);","\n\tSCTP_BASE_INFO(sctp_vrfhash) = SCTP_HASH_INIT(SCTP_SIZE_OF_VRF_HASH,\n\t\t\t\t\t\t &SCTP_BASE_INFO(hashvrfmark));","\tSCTP_BASE_INFO(vrf_ifn_hash) = SCTP_HASH_INIT(SCTP_VRF_IFN_HASH_SIZE,\n\t\t\t\t\t\t &SCTP_BASE_INFO(vrf_ifn_hashmark));\n\t/* init the zones */\n\t/*\n\t * FIX ME: Should check for NULL returns, but if it does fail we are\n\t * doomed to panic anyways... add later maybe.\n\t */\n\tSCTP_ZONE_INIT(SCTP_BASE_INFO(ipi_zone_ep), \"sctp_ep\",\n\t\t sizeof(struct sctp_inpcb), maxsockets);","\tSCTP_ZONE_INIT(SCTP_BASE_INFO(ipi_zone_asoc), \"sctp_asoc\",\n\t\t sizeof(struct sctp_tcb), sctp_max_number_of_assoc);","\tSCTP_ZONE_INIT(SCTP_BASE_INFO(ipi_zone_laddr), \"sctp_laddr\",\n\t\t sizeof(struct sctp_laddr),\n\t\t (sctp_max_number_of_assoc * sctp_scale_up_for_address));","\tSCTP_ZONE_INIT(SCTP_BASE_INFO(ipi_zone_net), \"sctp_raddr\",\n\t\t sizeof(struct sctp_nets),\n\t\t (sctp_max_number_of_assoc * sctp_scale_up_for_address));","\tSCTP_ZONE_INIT(SCTP_BASE_INFO(ipi_zone_chunk), \"sctp_chunk\",\n\t\t sizeof(struct sctp_tmit_chunk),\n\t\t (sctp_max_number_of_assoc * SCTP_BASE_SYSCTL(sctp_chunkscale)));","\tSCTP_ZONE_INIT(SCTP_BASE_INFO(ipi_zone_readq), \"sctp_readq\",\n\t\t sizeof(struct sctp_queued_to_read),\n\t\t (sctp_max_number_of_assoc * SCTP_BASE_SYSCTL(sctp_chunkscale)));","\tSCTP_ZONE_INIT(SCTP_BASE_INFO(ipi_zone_strmoq), \"sctp_stream_msg_out\",\n\t\t sizeof(struct sctp_stream_queue_pending),\n\t\t (sctp_max_number_of_assoc * SCTP_BASE_SYSCTL(sctp_chunkscale)));","\tSCTP_ZONE_INIT(SCTP_BASE_INFO(ipi_zone_asconf), \"sctp_asconf\",\n\t\t sizeof(struct sctp_asconf),\n\t\t (sctp_max_number_of_assoc * SCTP_BASE_SYSCTL(sctp_chunkscale)));","\tSCTP_ZONE_INIT(SCTP_BASE_INFO(ipi_zone_asconf_ack), \"sctp_asconf_ack\",\n\t\t sizeof(struct sctp_asconf_ack),\n\t\t (sctp_max_number_of_assoc * SCTP_BASE_SYSCTL(sctp_chunkscale)));","\n\t/* Master Lock INIT for info structure */\n\tSCTP_INP_INFO_LOCK_INIT();\n\tSCTP_STATLOG_INIT_LOCK();","\tSCTP_IPI_COUNT_INIT();\n\tSCTP_IPI_ADDR_INIT();\n#ifdef SCTP_PACKET_LOGGING\n\tSCTP_IP_PKTLOG_INIT();\n#endif\n\tLIST_INIT(&SCTP_BASE_INFO(addr_wq));","\tSCTP_WQ_ADDR_INIT();\n\t/* not sure if we need all the counts */\n\tSCTP_BASE_INFO(ipi_count_ep) = 0;\n\t/* assoc/tcb zone info */\n\tSCTP_BASE_INFO(ipi_count_asoc) = 0;\n\t/* local addrlist zone info */\n\tSCTP_BASE_INFO(ipi_count_laddr) = 0;\n\t/* remote addrlist zone info */\n\tSCTP_BASE_INFO(ipi_count_raddr) = 0;\n\t/* chunk info */\n\tSCTP_BASE_INFO(ipi_count_chunk) = 0;","\t/* socket queue zone info */\n\tSCTP_BASE_INFO(ipi_count_readq) = 0;","\t/* stream out queue cont */\n\tSCTP_BASE_INFO(ipi_count_strmoq) = 0;","\tSCTP_BASE_INFO(ipi_free_strmoq) = 0;\n\tSCTP_BASE_INFO(ipi_free_chunks) = 0;","\tSCTP_OS_TIMER_INIT(&SCTP_BASE_INFO(addr_wq_timer.timer));","\t/* Init the TIMEWAIT list */\n\tfor (i = 0; i < SCTP_STACK_VTAG_HASH_SIZE; i++) {\n\t\tLIST_INIT(&SCTP_BASE_INFO(vtag_timewait)[i]);\n\t}\n#if defined(SCTP_PROCESS_LEVEL_LOCKS)\n#if defined(__Userspace_os_Windows)\n\tInitializeConditionVariable(&sctp_it_ctl.iterator_wakeup);\n#else\n\t(void)pthread_cond_init(&sctp_it_ctl.iterator_wakeup, NULL);\n#endif\n#endif\n\tsctp_startup_iterator();","#if defined(__FreeBSD__) && defined(SCTP_MCORE_INPUT) && defined(SMP)\n\tsctp_startup_mcore_threads();\n#endif","#ifndef __Panda__\n\t/*\n\t * INIT the default VRF which for BSD is the only one, other O/S's\n\t * may have more. But initially they must start with one and then\n\t * add the VRF's as addresses are added.\n\t */\n\tsctp_init_vrf_list(SCTP_DEFAULT_VRF);\n#endif\n#if defined(__FreeBSD__) && __FreeBSD_cc_version >= 1400000\n\tif (ip_register_flow_handler(sctp_netisr_hdlr, IPPROTO_SCTP)) {\n\t\tSCTP_PRINTF(\"***SCTP- Error can't register netisr handler***\\n\");\n\t}\n#endif\n#if defined(_SCTP_NEEDS_CALLOUT_) || defined(_USER_SCTP_NEEDS_CALLOUT_)\n\t/* allocate the lock for the callout/timer queue */\n\tSCTP_TIMERQ_LOCK_INIT();\n\tSCTP_TIMERWAIT_LOCK_INIT();\n\tTAILQ_INIT(&SCTP_BASE_INFO(callqueue));\n#endif\n#if defined(__Userspace__)\n\tmbuf_initialize(NULL);\n\tatomic_init();\n#if defined(INET) || defined(INET6)\n\tif (start_threads)\n\t\trecv_thread_init();\n#endif\n#endif\n}","/*\n * Assumes that the SCTP_BASE_INFO() lock is NOT held.\n */\nvoid\nsctp_pcb_finish(void)\n{\n\tstruct sctp_vrflist *vrf_bucket;\n\tstruct sctp_vrf *vrf, *nvrf;\n\tstruct sctp_ifn *ifn, *nifn;\n\tstruct sctp_ifa *ifa, *nifa;\n\tstruct sctpvtaghead *chain;\n\tstruct sctp_tagblock *twait_block, *prev_twait_block;\n\tstruct sctp_laddr *wi, *nwi;\n\tint i;\n\tstruct sctp_iterator *it, *nit;","\tif (SCTP_BASE_VAR(sctp_pcb_initialized) == 0) {\n\t\tSCTP_PRINTF(\"%s: race condition on teardown.\\n\", __func__);\n\t\treturn;\n\t}\n\tSCTP_BASE_VAR(sctp_pcb_initialized) = 0;\n#if !defined(__FreeBSD__)\n\t/* Notify the iterator to exit. */\n\tSCTP_IPI_ITERATOR_WQ_LOCK();\n\tsctp_it_ctl.iterator_flags |= SCTP_ITERATOR_MUST_EXIT;\n\tsctp_wakeup_iterator();\n\tSCTP_IPI_ITERATOR_WQ_UNLOCK();\n#endif\n#if defined(__APPLE__)\n#if !defined(APPLE_LEOPARD) && !defined(APPLE_SNOWLEOPARD) && !defined(APPLE_LION) && !defined(APPLE_MOUNTAINLION)\n\tin_pcbinfo_detach(&SCTP_BASE_INFO(sctbinfo));\n#endif\n\tSCTP_IPI_ITERATOR_WQ_LOCK();\n\tdo {\n\t\tmsleep(&sctp_it_ctl.iterator_flags,\n\t\t sctp_it_ctl.ipi_iterator_wq_mtx,\n\t\t 0, \"waiting_for_work\", 0);\n\t} while ((sctp_it_ctl.iterator_flags & SCTP_ITERATOR_EXITED) == 0);\n\tthread_deallocate(sctp_it_ctl.thread_proc);\n\tSCTP_IPI_ITERATOR_WQ_UNLOCK();\n#endif\n#if defined(__Windows__)\n\tif (sctp_it_ctl.iterator_thread_obj != NULL) {\n\t\tNTSTATUS status = STATUS_SUCCESS;","\t\tKeSetEvent(&sctp_it_ctl.iterator_wakeup[1], IO_NO_INCREMENT, FALSE);\n\t\tstatus = KeWaitForSingleObject(sctp_it_ctl.iterator_thread_obj,\n\t\t\t\t\t Executive,\n\t\t\t\t\t KernelMode,\n\t\t\t\t\t FALSE,\n\t\t\t\t\t NULL);\n\t\tObDereferenceObject(sctp_it_ctl.iterator_thread_obj);\n\t}\n#endif\n#if defined(__Userspace__)\n\tif (sctp_it_ctl.thread_proc) {\n#if defined(__Userspace_os_Windows)\n\t\tWaitForSingleObject(sctp_it_ctl.thread_proc, INFINITE);\n\t\tCloseHandle(sctp_it_ctl.thread_proc);\n\t\tsctp_it_ctl.thread_proc = NULL;\n#else\n\t\tpthread_join(sctp_it_ctl.thread_proc, NULL);\n\t\tsctp_it_ctl.thread_proc = 0;\n#endif\n\t}\n#endif\n#if defined(SCTP_PROCESS_LEVEL_LOCKS)\n#if defined(__Userspace_os_Windows)\n\tDeleteConditionVariable(&sctp_it_ctl.iterator_wakeup);\n#else\n\tpthread_cond_destroy(&sctp_it_ctl.iterator_wakeup);\n\tpthread_mutexattr_destroy(&SCTP_BASE_VAR(mtx_attr));\n#endif\n#endif\n\t/* In FreeBSD the iterator thread never exits\n\t * but we do clean up.\n\t * The only way FreeBSD reaches here is if we have VRF's\n\t * but we still add the ifdef to make it compile on old versions.\n\t */\n#if defined(__FreeBSD__)\nretry:\n#endif\n\tSCTP_IPI_ITERATOR_WQ_LOCK();\n#if defined(__FreeBSD__)\n\t/*\n\t * sctp_iterator_worker() might be working on an it entry without\n\t * holding the lock. We won't find it on the list either and\n\t * continue and free/destroy it. While holding the lock, spin, to\n\t * avoid the race condition as sctp_iterator_worker() will have to\n\t * wait to re-aquire the lock.\n\t */\n\tif (sctp_it_ctl.iterator_running != 0 || sctp_it_ctl.cur_it != NULL) {\n\t\tSCTP_IPI_ITERATOR_WQ_UNLOCK();\n\t\tSCTP_PRINTF(\"%s: Iterator running while we held the lock. Retry. \"\n\t\t \"cur_it=%p\\n\", __func__, sctp_it_ctl.cur_it);\n\t\tDELAY(10);\n\t\tgoto retry;\n\t}\n#endif\n\tTAILQ_FOREACH_SAFE(it, &sctp_it_ctl.iteratorhead, sctp_nxt_itr, nit) {\n#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\n\t\tif (it->vn != curvnet) {\n\t\t\tcontinue;\n\t\t}\n#endif\n\t\tTAILQ_REMOVE(&sctp_it_ctl.iteratorhead, it, sctp_nxt_itr);\n\t\tif (it->function_atend != NULL) {\n\t\t\t(*it->function_atend) (it->pointer, it->val);\n\t\t}\n\t\tSCTP_FREE(it,SCTP_M_ITER);\n\t}\n\tSCTP_IPI_ITERATOR_WQ_UNLOCK();\n#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\n\tSCTP_ITERATOR_LOCK();\n\tif ((sctp_it_ctl.cur_it) &&\n\t (sctp_it_ctl.cur_it->vn == curvnet)) {\n\t\tsctp_it_ctl.iterator_flags |= SCTP_ITERATOR_STOP_CUR_IT;\n\t}\n\tSCTP_ITERATOR_UNLOCK();\n#endif\n#if !defined(__FreeBSD__)\n\tSCTP_IPI_ITERATOR_WQ_DESTROY();\n\tSCTP_ITERATOR_LOCK_DESTROY();\n#endif\n\tSCTP_OS_TIMER_STOP_DRAIN(&SCTP_BASE_INFO(addr_wq_timer.timer));\n\tSCTP_WQ_ADDR_LOCK();\n\tLIST_FOREACH_SAFE(wi, &SCTP_BASE_INFO(addr_wq), sctp_nxt_addr, nwi) {\n\t\tLIST_REMOVE(wi, sctp_nxt_addr);\n\t\tSCTP_DECR_LADDR_COUNT();\n\t\tif (wi->action == SCTP_DEL_IP_ADDRESS) {\n\t\t\tSCTP_FREE(wi->ifa, SCTP_M_IFA);\n\t\t}\n\t\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_laddr), wi);\n\t}\n\tSCTP_WQ_ADDR_UNLOCK();","\t/*\n\t * free the vrf/ifn/ifa lists and hashes (be sure address monitor\n\t * is destroyed first).\n\t */\n\tvrf_bucket = &SCTP_BASE_INFO(sctp_vrfhash)[(SCTP_DEFAULT_VRFID & SCTP_BASE_INFO(hashvrfmark))];\n\tLIST_FOREACH_SAFE(vrf, vrf_bucket, next_vrf, nvrf) {\n\t\tLIST_FOREACH_SAFE(ifn, &vrf->ifnlist, next_ifn, nifn) {\n\t\t\tLIST_FOREACH_SAFE(ifa, &ifn->ifalist, next_ifa, nifa) {\n\t\t\t\t/* free the ifa */\n\t\t\t\tLIST_REMOVE(ifa, next_bucket);\n\t\t\t\tLIST_REMOVE(ifa, next_ifa);\n\t\t\t\tSCTP_FREE(ifa, SCTP_M_IFA);\n\t\t\t}\n\t\t\t/* free the ifn */\n\t\t\tLIST_REMOVE(ifn, next_bucket);\n\t\t\tLIST_REMOVE(ifn, next_ifn);\n\t\t\tSCTP_FREE(ifn, SCTP_M_IFN);\n\t\t}\n\t\tSCTP_HASH_FREE(vrf->vrf_addr_hash, vrf->vrf_addr_hashmark);\n\t\t/* free the vrf */\n\t\tLIST_REMOVE(vrf, next_vrf);\n\t\tSCTP_FREE(vrf, SCTP_M_VRF);\n\t}\n\t/* free the vrf hashes */\n\tSCTP_HASH_FREE(SCTP_BASE_INFO(sctp_vrfhash), SCTP_BASE_INFO(hashvrfmark));\n\tSCTP_HASH_FREE(SCTP_BASE_INFO(vrf_ifn_hash), SCTP_BASE_INFO(vrf_ifn_hashmark));","\t/* free the TIMEWAIT list elements malloc'd in the function\n\t * sctp_add_vtag_to_timewait()...\n\t */\n\tfor (i = 0; i < SCTP_STACK_VTAG_HASH_SIZE; i++) {\n\t\tchain = &SCTP_BASE_INFO(vtag_timewait)[i];\n\t\tif (!LIST_EMPTY(chain)) {\n\t\t\tprev_twait_block = NULL;\n\t\t\tLIST_FOREACH(twait_block, chain, sctp_nxt_tagblock) {\n\t\t\t\tif (prev_twait_block) {\n\t\t\t\t\tSCTP_FREE(prev_twait_block, SCTP_M_TIMW);\n\t\t\t\t}\n\t\t\t\tprev_twait_block = twait_block;\n\t\t\t}\n\t\t\tSCTP_FREE(prev_twait_block, SCTP_M_TIMW);\n\t\t}\n\t}","\t/* free the locks and mutexes */\n#if defined(__APPLE__)\n\tSCTP_TIMERQ_LOCK_DESTROY();\n\tSCTP_TIMERWAIT_LOCK_DESTROY();\n#endif\n#ifdef SCTP_PACKET_LOGGING\n\tSCTP_IP_PKTLOG_DESTROY();\n#endif\n\tSCTP_IPI_ADDR_DESTROY();\n#if defined(__APPLE__)\n\tSCTP_IPI_COUNT_DESTROY();\n#endif\n\tSCTP_STATLOG_DESTROY();\n\tSCTP_INP_INFO_LOCK_DESTROY();","\tSCTP_WQ_ADDR_DESTROY();","#if defined(__APPLE__)\n#if defined(APPLE_LEOPARD) || defined(APPLE_SNOWLEOPARD) || defined(APPLE_LION) || defined(APPLE_MOUNTAINLION)\n\tlck_grp_attr_free(SCTP_BASE_INFO(sctbinfo).mtx_grp_attr);\n\tlck_grp_free(SCTP_BASE_INFO(sctbinfo).mtx_grp);\n\tlck_attr_free(SCTP_BASE_INFO(sctbinfo).mtx_attr);\n#else\n\tlck_grp_attr_free(SCTP_BASE_INFO(sctbinfo).ipi_lock_grp_attr);\n\tlck_grp_free(SCTP_BASE_INFO(sctbinfo).ipi_lock_grp);\n\tlck_attr_free(SCTP_BASE_INFO(sctbinfo).ipi_lock_attr);\n#endif\n#endif\n#if defined(__Userspace__)\n\tSCTP_TIMERQ_LOCK_DESTROY();\n\tSCTP_TIMERWAIT_LOCK_DESTROY();\n\tSCTP_ZONE_DESTROY(zone_mbuf);\n\tSCTP_ZONE_DESTROY(zone_clust);\n\tSCTP_ZONE_DESTROY(zone_ext_refcnt);\n#endif\n\t/* Get rid of other stuff too. */\n\tif (SCTP_BASE_INFO(sctp_asochash) != NULL)\n\t\tSCTP_HASH_FREE(SCTP_BASE_INFO(sctp_asochash), SCTP_BASE_INFO(hashasocmark));\n\tif (SCTP_BASE_INFO(sctp_ephash) != NULL)\n\t\tSCTP_HASH_FREE(SCTP_BASE_INFO(sctp_ephash), SCTP_BASE_INFO(hashmark));\n\tif (SCTP_BASE_INFO(sctp_tcpephash) != NULL)\n\t\tSCTP_HASH_FREE(SCTP_BASE_INFO(sctp_tcpephash), SCTP_BASE_INFO(hashtcpmark));","#if defined(__Windows__) || defined(__FreeBSD__) || defined(__Userspace__)\n\tSCTP_ZONE_DESTROY(SCTP_BASE_INFO(ipi_zone_ep));\n\tSCTP_ZONE_DESTROY(SCTP_BASE_INFO(ipi_zone_asoc));\n\tSCTP_ZONE_DESTROY(SCTP_BASE_INFO(ipi_zone_laddr));\n\tSCTP_ZONE_DESTROY(SCTP_BASE_INFO(ipi_zone_net));\n\tSCTP_ZONE_DESTROY(SCTP_BASE_INFO(ipi_zone_chunk));\n\tSCTP_ZONE_DESTROY(SCTP_BASE_INFO(ipi_zone_readq));\n\tSCTP_ZONE_DESTROY(SCTP_BASE_INFO(ipi_zone_strmoq));\n\tSCTP_ZONE_DESTROY(SCTP_BASE_INFO(ipi_zone_asconf));\n\tSCTP_ZONE_DESTROY(SCTP_BASE_INFO(ipi_zone_asconf_ack));\n#endif\n#if defined(__FreeBSD__) && defined(SMP) && defined(SCTP_USE_PERCPU_STAT)\n\tSCTP_FREE(SCTP_BASE_STATS, SCTP_M_MCORE);\n#endif\n}","\nint\nsctp_load_addresses_from_init(struct sctp_tcb *stcb, struct mbuf *m,\n int offset, int limit,\n struct sockaddr *src, struct sockaddr *dst,\n struct sockaddr *altsa, uint16_t port)\n{\n\t/*\n\t * grub through the INIT pulling addresses and loading them to the\n\t * nets structure in the asoc. The from address in the mbuf should\n\t * also be loaded (if it is not already). This routine can be called\n\t * with either INIT or INIT-ACK's as long as the m points to the IP\n\t * packet and the offset points to the beginning of the parameters.\n\t */\n\tstruct sctp_inpcb *inp;\n\tstruct sctp_nets *net, *nnet, *net_tmp;\n\tstruct sctp_paramhdr *phdr, param_buf;\n\tstruct sctp_tcb *stcb_tmp;\n\tuint16_t ptype, plen;\n\tstruct sockaddr *sa;\n\tuint8_t random_store[SCTP_PARAM_BUFFER_SIZE];\n\tstruct sctp_auth_random *p_random = NULL;\n\tuint16_t random_len = 0;\n\tuint8_t hmacs_store[SCTP_PARAM_BUFFER_SIZE];\n\tstruct sctp_auth_hmac_algo *hmacs = NULL;\n\tuint16_t hmacs_len = 0;\n\tuint8_t saw_asconf = 0;\n\tuint8_t saw_asconf_ack = 0;\n\tuint8_t chunks_store[SCTP_PARAM_BUFFER_SIZE];\n\tstruct sctp_auth_chunk_list *chunks = NULL;\n\tuint16_t num_chunks = 0;\n\tsctp_key_t *new_key;\n\tuint32_t keylen;\n\tint got_random = 0, got_hmacs = 0, got_chklist = 0;\n\tuint8_t peer_supports_ecn;\n\tuint8_t peer_supports_prsctp;\n\tuint8_t peer_supports_auth;\n\tuint8_t peer_supports_asconf;\n\tuint8_t peer_supports_asconf_ack;\n\tuint8_t peer_supports_reconfig;\n\tuint8_t peer_supports_nrsack;\n\tuint8_t peer_supports_pktdrop;\n\tuint8_t peer_supports_idata;\n#ifdef INET\n\tstruct sockaddr_in sin;\n#endif\n#ifdef INET6\n\tstruct sockaddr_in6 sin6;\n#endif","\t/* First get the destination address setup too. */\n#ifdef INET\n\tmemset(&sin, 0, sizeof(sin));\n\tsin.sin_family = AF_INET;\n#ifdef HAVE_SIN_LEN\n\tsin.sin_len = sizeof(sin);\n#endif\n\tsin.sin_port = stcb->rport;\n#endif\n#ifdef INET6\n\tmemset(&sin6, 0, sizeof(sin6));\n\tsin6.sin6_family = AF_INET6;\n#ifdef HAVE_SIN6_LEN\n\tsin6.sin6_len = sizeof(struct sockaddr_in6);\n#endif\n\tsin6.sin6_port = stcb->rport;\n#endif\n\tif (altsa) {\n\t\tsa = altsa;\n\t} else {\n\t\tsa = src;\n\t}\n\tpeer_supports_idata = 0;\n\tpeer_supports_ecn = 0;\n\tpeer_supports_prsctp = 0;\n\tpeer_supports_auth = 0;\n\tpeer_supports_asconf = 0;\n\tpeer_supports_reconfig = 0;\n\tpeer_supports_nrsack = 0;\n\tpeer_supports_pktdrop = 0;\n\tTAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {\n\t\t/* mark all addresses that we have currently on the list */\n\t\tnet->dest_state |= SCTP_ADDR_NOT_IN_ASSOC;\n\t}\n\t/* does the source address already exist? if so skip it */\n\tinp = stcb->sctp_ep;\n\tatomic_add_int(&stcb->asoc.refcnt, 1);\n\tstcb_tmp = sctp_findassociation_ep_addr(&inp, sa, &net_tmp, dst, stcb);\n\tatomic_add_int(&stcb->asoc.refcnt, -1);","\tif ((stcb_tmp == NULL && inp == stcb->sctp_ep) || inp == NULL) {\n\t\t/* we must add the source address */\n\t\t/* no scope set here since we have a tcb already. */\n\t\tswitch (sa->sa_family) {\n#ifdef INET\n\t\tcase AF_INET:\n\t\t\tif (stcb->asoc.scope.ipv4_addr_legal) {\n\t\t\t\tif (sctp_add_remote_addr(stcb, sa, NULL, port, SCTP_DONOT_SETSCOPE, SCTP_LOAD_ADDR_2)) {\n\t\t\t\t\treturn (-1);\n\t\t\t\t}\n\t\t\t}\n\t\t\tbreak;\n#endif\n#ifdef INET6\n\t\tcase AF_INET6:\n\t\t\tif (stcb->asoc.scope.ipv6_addr_legal) {\n\t\t\t\tif (sctp_add_remote_addr(stcb, sa, NULL, port, SCTP_DONOT_SETSCOPE, SCTP_LOAD_ADDR_3)) {\n\t\t\t\t\treturn (-2);\n\t\t\t\t}\n\t\t\t}\n\t\t\tbreak;\n#endif\n#if defined(__Userspace__)\n\t\tcase AF_CONN:\n\t\t\tif (stcb->asoc.scope.conn_addr_legal) {\n\t\t\t\tif (sctp_add_remote_addr(stcb, sa, NULL, port, SCTP_DONOT_SETSCOPE, SCTP_LOAD_ADDR_3)) {\n\t\t\t\t\treturn (-2);\n\t\t\t\t}\n\t\t\t}\n\t\t\tbreak;\n#endif\n\t\tdefault:\n\t\t\tbreak;\n\t\t}\n\t} else {\n\t\tif (net_tmp != NULL && stcb_tmp == stcb) {\n\t\t\tnet_tmp->dest_state &= ~SCTP_ADDR_NOT_IN_ASSOC;\n\t\t} else if (stcb_tmp != stcb) {\n\t\t\t/* It belongs to another association? */\n\t\t\tif (stcb_tmp)\n\t\t\t\tSCTP_TCB_UNLOCK(stcb_tmp);\n\t\t\treturn (-3);\n\t\t}\n\t}\n\tif (stcb->asoc.state == 0) {\n\t\t/* the assoc was freed? */\n\t\treturn (-4);\n\t}\n\t/* now we must go through each of the params. */\n\tphdr = sctp_get_next_param(m, offset, ¶m_buf, sizeof(param_buf));\n\twhile (phdr) {\n\t\tptype = ntohs(phdr->param_type);\n\t\tplen = ntohs(phdr->param_length);\n\t\t/*\n\t\t * SCTP_PRINTF(\"ptype => %0x, plen => %d\\n\", (uint32_t)ptype,\n\t\t * (int)plen);\n\t\t */\n\t\tif (offset + plen > limit) {\n\t\t\tbreak;\n\t\t}","\t\tif (plen < sizeof(struct sctp_paramhdr)) {","\t\t\tbreak;\n\t\t}\n#ifdef INET\n\t\tif (ptype == SCTP_IPV4_ADDRESS) {\n\t\t\tif (stcb->asoc.scope.ipv4_addr_legal) {\n\t\t\t\tstruct sctp_ipv4addr_param *p4, p4_buf;","\t\t\t\t/* ok get the v4 address and check/add */\n\t\t\t\tphdr = sctp_get_next_param(m, offset,\n\t\t\t\t\t\t\t (struct sctp_paramhdr *)&p4_buf,\n\t\t\t\t\t\t\t sizeof(p4_buf));\n\t\t\t\tif (plen != sizeof(struct sctp_ipv4addr_param) ||\n\t\t\t\t phdr == NULL) {\n\t\t\t\t\treturn (-5);\n\t\t\t\t}\n\t\t\t\tp4 = (struct sctp_ipv4addr_param *)phdr;\n\t\t\t\tsin.sin_addr.s_addr = p4->addr;\n\t\t\t\tif (IN_MULTICAST(ntohl(sin.sin_addr.s_addr))) {\n\t\t\t\t\t/* Skip multi-cast addresses */\n\t\t\t\t\tgoto next_param;\n\t\t\t\t}\n\t\t\t\tif ((sin.sin_addr.s_addr == INADDR_BROADCAST) ||\n\t\t\t\t (sin.sin_addr.s_addr == INADDR_ANY)) {\n\t\t\t\t\tgoto next_param;\n\t\t\t\t}\n\t\t\t\tsa = (struct sockaddr *)&sin;\n\t\t\t\tinp = stcb->sctp_ep;\n\t\t\t\tatomic_add_int(&stcb->asoc.refcnt, 1);\n\t\t\t\tstcb_tmp = sctp_findassociation_ep_addr(&inp, sa, &net,\n\t\t\t\t\t\t\t\t\tdst, stcb);\n\t\t\t\tatomic_add_int(&stcb->asoc.refcnt, -1);","\t\t\t\tif ((stcb_tmp == NULL && inp == stcb->sctp_ep) ||\n\t\t\t\t inp == NULL) {\n\t\t\t\t\t/* we must add the source address */\n\t\t\t\t\t/*\n\t\t\t\t\t * no scope set since we have a tcb\n\t\t\t\t\t * already\n\t\t\t\t\t */","\t\t\t\t\t/*\n\t\t\t\t\t * we must validate the state again\n\t\t\t\t\t * here\n\t\t\t\t\t */\n\t\t\t\tadd_it_now:\n\t\t\t\t\tif (stcb->asoc.state == 0) {\n\t\t\t\t\t\t/* the assoc was freed? */\n\t\t\t\t\t\treturn (-7);\n\t\t\t\t\t}\n\t\t\t\t\tif (sctp_add_remote_addr(stcb, sa, NULL, port, SCTP_DONOT_SETSCOPE, SCTP_LOAD_ADDR_4)) {\n\t\t\t\t\t\treturn (-8);\n\t\t\t\t\t}\n\t\t\t\t} else if (stcb_tmp == stcb) {\n\t\t\t\t\tif (stcb->asoc.state == 0) {\n\t\t\t\t\t\t/* the assoc was freed? */\n\t\t\t\t\t\treturn (-10);\n\t\t\t\t\t}\n\t\t\t\t\tif (net != NULL) {\n\t\t\t\t\t\t/* clear flag */\n\t\t\t\t\t\tnet->dest_state &=\n\t\t\t\t\t\t\t~SCTP_ADDR_NOT_IN_ASSOC;\n\t\t\t\t\t}\n\t\t\t\t} else {\n\t\t\t\t\t/*\n\t\t\t\t\t * strange, address is in another\n\t\t\t\t\t * assoc? straighten out locks.\n\t\t\t\t\t */\n\t\t\t\t\tif (stcb_tmp) {\n\t\t\t\t\t\tif (SCTP_GET_STATE(stcb_tmp) == SCTP_STATE_COOKIE_WAIT) {\n\t\t\t\t\t\t\tstruct mbuf *op_err;\n\t\t\t\t\t\t\tchar msg[SCTP_DIAG_INFO_LEN];","\t\t\t\t\t\t\t/* in setup state we abort this guy */\n\t\t\t\t\t\t\tsnprintf(msg, sizeof(msg),\n\t\t\t\t\t\t\t \"%s:%d at %s\", __FILE__, __LINE__, __func__);\n\t\t\t\t\t\t\top_err = sctp_generate_cause(SCTP_BASE_SYSCTL(sctp_diag_info_code),\n\t\t\t\t\t\t\t msg);\n\t\t\t\t\t\t\tsctp_abort_an_association(stcb_tmp->sctp_ep,\n\t\t\t\t\t\t\t\t\t\t stcb_tmp, op_err,\n\t\t\t\t\t\t\t SCTP_SO_NOT_LOCKED);\n\t\t\t\t\t\t\tgoto add_it_now;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tSCTP_TCB_UNLOCK(stcb_tmp);\n\t\t\t\t\t}","\t\t\t\t\tif (stcb->asoc.state == 0) {\n\t\t\t\t\t\t/* the assoc was freed? */\n\t\t\t\t\t\treturn (-12);\n\t\t\t\t\t}\n\t\t\t\t\treturn (-13);\n\t\t\t\t}\n\t\t\t}\n\t\t} else\n#endif\n#ifdef INET6\n\t\tif (ptype == SCTP_IPV6_ADDRESS) {\n\t\t\tif (stcb->asoc.scope.ipv6_addr_legal) {\n\t\t\t\t/* ok get the v6 address and check/add */\n\t\t\t\tstruct sctp_ipv6addr_param *p6, p6_buf;","\t\t\t\tphdr = sctp_get_next_param(m, offset,\n\t\t\t\t\t\t\t (struct sctp_paramhdr *)&p6_buf,\n\t\t\t\t\t\t\t sizeof(p6_buf));\n\t\t\t\tif (plen != sizeof(struct sctp_ipv6addr_param) ||\n\t\t\t\t phdr == NULL) {\n\t\t\t\t\treturn (-14);\n\t\t\t\t}\n\t\t\t\tp6 = (struct sctp_ipv6addr_param *)phdr;\n\t\t\t\tmemcpy((caddr_t)&sin6.sin6_addr, p6->addr,\n\t\t\t\t sizeof(p6->addr));\n\t\t\t\tif (IN6_IS_ADDR_MULTICAST(&sin6.sin6_addr)) {\n\t\t\t\t\t/* Skip multi-cast addresses */\n\t\t\t\t\tgoto next_param;\n\t\t\t\t}\n\t\t\t\tif (IN6_IS_ADDR_LINKLOCAL(&sin6.sin6_addr)) {\n\t\t\t\t\t/* Link local make no sense without scope */\n\t\t\t\t\tgoto next_param;\n\t\t\t\t}\n\t\t\t\tsa = (struct sockaddr *)&sin6;\n\t\t\t\tinp = stcb->sctp_ep;\n\t\t\t\tatomic_add_int(&stcb->asoc.refcnt, 1);\n\t\t\t\tstcb_tmp = sctp_findassociation_ep_addr(&inp, sa, &net,\n\t\t\t\t\t\t\t\t\tdst, stcb);\n\t\t\t\tatomic_add_int(&stcb->asoc.refcnt, -1);\n\t\t\t\tif (stcb_tmp == NULL &&\n\t\t\t\t (inp == stcb->sctp_ep || inp == NULL)) {\n\t\t\t\t\t/*\n\t\t\t\t\t * we must validate the state again\n\t\t\t\t\t * here\n\t\t\t\t\t */\n\t\t\t\tadd_it_now6:\n\t\t\t\t\tif (stcb->asoc.state == 0) {\n\t\t\t\t\t\t/* the assoc was freed? */\n\t\t\t\t\t\treturn (-16);\n\t\t\t\t\t}\n\t\t\t\t\t/*\n\t\t\t\t\t * we must add the address, no scope\n\t\t\t\t\t * set\n\t\t\t\t\t */\n\t\t\t\t\tif (sctp_add_remote_addr(stcb, sa, NULL, port, SCTP_DONOT_SETSCOPE, SCTP_LOAD_ADDR_5)) {\n\t\t\t\t\t\treturn (-17);\n\t\t\t\t\t}\n\t\t\t\t} else if (stcb_tmp == stcb) {\n\t\t\t\t\t/*\n\t\t\t\t\t * we must validate the state again\n\t\t\t\t\t * here\n\t\t\t\t\t */\n\t\t\t\t\tif (stcb->asoc.state == 0) {\n\t\t\t\t\t\t/* the assoc was freed? */\n\t\t\t\t\t\treturn (-19);\n\t\t\t\t\t}\n\t\t\t\t\tif (net != NULL) {\n\t\t\t\t\t\t/* clear flag */\n\t\t\t\t\t\tnet->dest_state &=\n\t\t\t\t\t\t\t~SCTP_ADDR_NOT_IN_ASSOC;\n\t\t\t\t\t}\n\t\t\t\t} else {\n\t\t\t\t\t/*\n\t\t\t\t\t * strange, address is in another\n\t\t\t\t\t * assoc? straighten out locks.\n\t\t\t\t\t */\n\t\t\t\t\tif (stcb_tmp) {\n\t\t\t\t\t\tif (SCTP_GET_STATE(stcb_tmp) == SCTP_STATE_COOKIE_WAIT) {\n\t\t\t\t\t\t\tstruct mbuf *op_err;\n\t\t\t\t\t\t\tchar msg[SCTP_DIAG_INFO_LEN];","\t\t\t\t\t\t\t/* in setup state we abort this guy */\n\t\t\t\t\t\t\tsnprintf(msg, sizeof(msg),\n\t\t\t\t\t\t\t \"%s:%d at %s\", __FILE__, __LINE__, __func__);\n\t\t\t\t\t\t\top_err = sctp_generate_cause(SCTP_BASE_SYSCTL(sctp_diag_info_code),\n\t\t\t\t\t\t\t msg);\n\t\t\t\t\t\t\tsctp_abort_an_association(stcb_tmp->sctp_ep,\n\t\t\t\t\t\t\t\t\t\t stcb_tmp, op_err,\n\t\t\t\t\t\t\t SCTP_SO_NOT_LOCKED);\n\t\t\t\t\t\t\tgoto add_it_now6;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tSCTP_TCB_UNLOCK(stcb_tmp);\n\t\t\t\t\t}\n\t\t\t\t\tif (stcb->asoc.state == 0) {\n\t\t\t\t\t\t/* the assoc was freed? */\n\t\t\t\t\t\treturn (-21);\n\t\t\t\t\t}\n\t\t\t\t\treturn (-22);\n\t\t\t\t}\n\t\t\t}\n\t\t} else\n#endif\n\t\tif (ptype == SCTP_ECN_CAPABLE) {\n\t\t\tpeer_supports_ecn = 1;\n\t\t} else if (ptype == SCTP_ULP_ADAPTATION) {\n\t\t\tif (stcb->asoc.state != SCTP_STATE_OPEN) {\n\t\t\t\tstruct sctp_adaptation_layer_indication ai, *aip;","\t\t\t\tphdr = sctp_get_next_param(m, offset,\n\t\t\t\t\t\t\t (struct sctp_paramhdr *)&ai, sizeof(ai));\n\t\t\t\taip = (struct sctp_adaptation_layer_indication *)phdr;\n\t\t\t\tif (aip) {\n\t\t\t\t\tstcb->asoc.peers_adaptation = ntohl(aip->indication);\n\t\t\t\t\tstcb->asoc.adaptation_needed = 1;\n\t\t\t\t}\n\t\t\t}\n\t\t} else if (ptype == SCTP_SET_PRIM_ADDR) {\n\t\t\tstruct sctp_asconf_addr_param lstore, *fee;\n\t\t\tint lptype;\n\t\t\tstruct sockaddr *lsa = NULL;\n#ifdef INET\n\t\t\tstruct sctp_asconf_addrv4_param *fii;\n#endif","\t\t\tif (stcb->asoc.asconf_supported == 0) {\n\t\t\t\treturn (-100);\n\t\t\t}\n\t\t\tif (plen > sizeof(lstore)) {\n\t\t\t\treturn (-23);\n\t\t\t}","\t\t\tif (plen < sizeof(struct sctp_asconf_addrv4_param)) {\n\t\t\t\treturn (-101);\n\t\t\t}","\t\t\tphdr = sctp_get_next_param(m, offset,\n\t\t\t\t\t\t (struct sctp_paramhdr *)&lstore,\n\t\t\t\t\t\t plen);\n\t\t\tif (phdr == NULL) {\n\t\t\t\treturn (-24);\n\t\t\t}\n\t\t\tfee = (struct sctp_asconf_addr_param *)phdr;\n\t\t\tlptype = ntohs(fee->addrp.ph.param_type);\n\t\t\tswitch (lptype) {\n#ifdef INET\n\t\t\tcase SCTP_IPV4_ADDRESS:\n\t\t\t\tif (plen !=\n\t\t\t\t sizeof(struct sctp_asconf_addrv4_param)) {\n\t\t\t\t\tSCTP_PRINTF(\"Sizeof setprim in init/init ack not %d but %d - ignored\\n\",\n\t\t\t\t\t\t (int)sizeof(struct sctp_asconf_addrv4_param),\n\t\t\t\t\t\t plen);\n\t\t\t\t} else {\n\t\t\t\t\tfii = (struct sctp_asconf_addrv4_param *)fee;\n\t\t\t\t\tsin.sin_addr.s_addr = fii->addrp.addr;\n\t\t\t\t\tlsa = (struct sockaddr *)&sin;\n\t\t\t\t}\n\t\t\t\tbreak;\n#endif\n#ifdef INET6\n\t\t\tcase SCTP_IPV6_ADDRESS:\n\t\t\t\tif (plen !=\n\t\t\t\t sizeof(struct sctp_asconf_addr_param)) {\n\t\t\t\t\tSCTP_PRINTF(\"Sizeof setprim (v6) in init/init ack not %d but %d - ignored\\n\",\n\t\t\t\t\t\t (int)sizeof(struct sctp_asconf_addr_param),\n\t\t\t\t\t\t plen);\n\t\t\t\t} else {\n\t\t\t\t\tmemcpy(sin6.sin6_addr.s6_addr,\n\t\t\t\t\t fee->addrp.addr,\n\t\t\t\t\t sizeof(fee->addrp.addr));\n\t\t\t\t\tlsa = (struct sockaddr *)&sin6;\n\t\t\t\t}\n\t\t\t\tbreak;\n#endif\n\t\t\tdefault:\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\tif (lsa) {\n\t\t\t\t(void)sctp_set_primary_addr(stcb, sa, NULL);\n\t\t\t}\n\t\t} else if (ptype == SCTP_HAS_NAT_SUPPORT) {\n\t\t\tstcb->asoc.peer_supports_nat = 1;\n\t\t} else if (ptype == SCTP_PRSCTP_SUPPORTED) {\n\t\t\t/* Peer supports pr-sctp */\n\t\t\tpeer_supports_prsctp = 1;\n\t\t} else if (ptype == SCTP_SUPPORTED_CHUNK_EXT) {\n\t\t\t/* A supported extension chunk */\n\t\t\tstruct sctp_supported_chunk_types_param *pr_supported;\n\t\t\tuint8_t local_store[SCTP_PARAM_BUFFER_SIZE];\n\t\t\tint num_ent, i;","\t\t\tif (plen > sizeof(local_store)) {\n\t\t\t\treturn (-35);\n\t\t\t}\n\t\t\tphdr = sctp_get_next_param(m, offset,\n\t\t\t\t\t\t (struct sctp_paramhdr *)&local_store, plen);\n\t\t\tif (phdr == NULL) {\n\t\t\t\treturn (-25);\n\t\t\t}\n\t\t\tpr_supported = (struct sctp_supported_chunk_types_param *)phdr;\n\t\t\tnum_ent = plen - sizeof(struct sctp_paramhdr);\n\t\t\tfor (i = 0; i < num_ent; i++) {\n\t\t\t\tswitch (pr_supported->chunk_types[i]) {\n\t\t\t\tcase SCTP_ASCONF:\n\t\t\t\t\tpeer_supports_asconf = 1;\n\t\t\t\t\tbreak;\n\t\t\t\tcase SCTP_ASCONF_ACK:\n\t\t\t\t\tpeer_supports_asconf_ack = 1;\n\t\t\t\t\tbreak;\n\t\t\t\tcase SCTP_FORWARD_CUM_TSN:\n\t\t\t\t\tpeer_supports_prsctp = 1;\n\t\t\t\t\tbreak;\n\t\t\t\tcase SCTP_PACKET_DROPPED:\n\t\t\t\t\tpeer_supports_pktdrop = 1;\n\t\t\t\t\tbreak;\n\t\t\t\tcase SCTP_NR_SELECTIVE_ACK:\n\t\t\t\t\tpeer_supports_nrsack = 1;\n\t\t\t\t\tbreak;\n\t\t\t\tcase SCTP_STREAM_RESET:\n\t\t\t\t\tpeer_supports_reconfig = 1;\n\t\t\t\t\tbreak;\n\t\t\t\tcase SCTP_AUTHENTICATION:\n\t\t\t\t\tpeer_supports_auth = 1;\n\t\t\t\t\tbreak;\n\t\t\t\tcase SCTP_IDATA:\n\t\t\t\t\tpeer_supports_idata = 1;\n\t\t\t\t\tbreak;\n\t\t\t\tdefault:\n\t\t\t\t\t/* one I have not learned yet */\n\t\t\t\t\tbreak;","\t\t\t\t}\n\t\t\t}\n\t\t} else if (ptype == SCTP_RANDOM) {\n\t\t\tif (plen > sizeof(random_store))\n\t\t\t\tbreak;\n\t\t\tif (got_random) {\n\t\t\t\t/* already processed a RANDOM */\n\t\t\t\tgoto next_param;\n\t\t\t}\n\t\t\tphdr = sctp_get_next_param(m, offset,\n\t\t\t\t\t\t (struct sctp_paramhdr *)random_store,\n\t\t\t\t\t\t plen);\n\t\t\tif (phdr == NULL)\n\t\t\t\treturn (-26);\n\t\t\tp_random = (struct sctp_auth_random *)phdr;\n\t\t\trandom_len = plen - sizeof(*p_random);\n\t\t\t/* enforce the random length */\n\t\t\tif (random_len != SCTP_AUTH_RANDOM_SIZE_REQUIRED) {\n\t\t\t\tSCTPDBG(SCTP_DEBUG_AUTH1, \"SCTP: invalid RANDOM len\\n\");\n\t\t\t\treturn (-27);\n\t\t\t}\n\t\t\tgot_random = 1;\n\t\t} else if (ptype == SCTP_HMAC_LIST) {\n\t\t\tuint16_t num_hmacs;\n\t\t\tuint16_t i;","\t\t\tif (plen > sizeof(hmacs_store))\n\t\t\t\tbreak;\n\t\t\tif (got_hmacs) {\n\t\t\t\t/* already processed a HMAC list */\n\t\t\t\tgoto next_param;\n\t\t\t}\n\t\t\tphdr = sctp_get_next_param(m, offset,\n\t\t\t\t\t\t (struct sctp_paramhdr *)hmacs_store,\n\t\t\t\t\t\t plen);\n\t\t\tif (phdr == NULL)\n\t\t\t\treturn (-28);\n\t\t\thmacs = (struct sctp_auth_hmac_algo *)phdr;\n\t\t\thmacs_len = plen - sizeof(*hmacs);\n\t\t\tnum_hmacs = hmacs_len / sizeof(hmacs->hmac_ids[0]);\n\t\t\t/* validate the hmac list */\n\t\t\tif (sctp_verify_hmac_param(hmacs, num_hmacs)) {\n\t\t\t\treturn (-29);\n\t\t\t}\n\t\t\tif (stcb->asoc.peer_hmacs != NULL)\n\t\t\t\tsctp_free_hmaclist(stcb->asoc.peer_hmacs);\n\t\t\tstcb->asoc.peer_hmacs = sctp_alloc_hmaclist(num_hmacs);\n\t\t\tif (stcb->asoc.peer_hmacs != NULL) {\n\t\t\t\tfor (i = 0; i < num_hmacs; i++) {\n\t\t\t\t\t(void)sctp_auth_add_hmacid(stcb->asoc.peer_hmacs,\n\t\t\t\t\t\t\t\t ntohs(hmacs->hmac_ids[i]));\n\t\t\t\t}\n\t\t\t}\n\t\t\tgot_hmacs = 1;\n\t\t} else if (ptype == SCTP_CHUNK_LIST) {\n\t\t\tint i;","\t\t\tif (plen > sizeof(chunks_store))\n\t\t\t\tbreak;\n\t\t\tif (got_chklist) {\n\t\t\t\t/* already processed a Chunks list */\n\t\t\t\tgoto next_param;\n\t\t\t}\n\t\t\tphdr = sctp_get_next_param(m, offset,\n\t\t\t\t\t\t (struct sctp_paramhdr *)chunks_store,\n\t\t\t\t\t\t plen);\n\t\t\tif (phdr == NULL)\n\t\t\t\treturn (-30);\n\t\t\tchunks = (struct sctp_auth_chunk_list *)phdr;\n\t\t\tnum_chunks = plen - sizeof(*chunks);\n\t\t\tif (stcb->asoc.peer_auth_chunks != NULL)\n\t\t\t\tsctp_clear_chunklist(stcb->asoc.peer_auth_chunks);\n\t\t\telse\n\t\t\t\tstcb->asoc.peer_auth_chunks = sctp_alloc_chunklist();\n\t\t\tfor (i = 0; i < num_chunks; i++) {\n\t\t\t\t(void)sctp_auth_add_chunk(chunks->chunk_types[i],\n\t\t\t\t\t\t\t stcb->asoc.peer_auth_chunks);\n\t\t\t\t/* record asconf/asconf-ack if listed */\n\t\t\t\tif (chunks->chunk_types[i] == SCTP_ASCONF)\n\t\t\t\t\tsaw_asconf = 1;\n\t\t\t\tif (chunks->chunk_types[i] == SCTP_ASCONF_ACK)\n\t\t\t\t\tsaw_asconf_ack = 1;","\t\t\t}\n\t\t\tgot_chklist = 1;\n\t\t} else if ((ptype == SCTP_HEARTBEAT_INFO) ||\n\t\t\t (ptype == SCTP_STATE_COOKIE) ||\n\t\t\t (ptype == SCTP_UNRECOG_PARAM) ||\n\t\t\t (ptype == SCTP_COOKIE_PRESERVE) ||\n\t\t\t (ptype == SCTP_SUPPORTED_ADDRTYPE) ||\n\t\t\t (ptype == SCTP_ADD_IP_ADDRESS) ||\n\t\t\t (ptype == SCTP_DEL_IP_ADDRESS) ||\n\t\t\t (ptype == SCTP_ERROR_CAUSE_IND) ||\n\t\t\t (ptype == SCTP_SUCCESS_REPORT)) {\n\t\t\t/* don't care */ ;\n\t\t} else {\n\t\t\tif ((ptype & 0x8000) == 0x0000) {\n\t\t\t\t/*\n\t\t\t\t * must stop processing the rest of the\n\t\t\t\t * param's. Any report bits were handled\n\t\t\t\t * with the call to\n\t\t\t\t * sctp_arethere_unrecognized_parameters()\n\t\t\t\t * when the INIT or INIT-ACK was first seen.\n\t\t\t\t */\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}","\tnext_param:\n\t\toffset += SCTP_SIZE32(plen);\n\t\tif (offset >= limit) {\n\t\t\tbreak;\n\t\t}\n\t\tphdr = sctp_get_next_param(m, offset, ¶m_buf,\n\t\t\t\t\t sizeof(param_buf));\n\t}\n\t/* Now check to see if we need to purge any addresses */\n\tTAILQ_FOREACH_SAFE(net, &stcb->asoc.nets, sctp_next, nnet) {\n\t\tif ((net->dest_state & SCTP_ADDR_NOT_IN_ASSOC) ==\n\t\t SCTP_ADDR_NOT_IN_ASSOC) {\n\t\t\t/* This address has been removed from the asoc */\n\t\t\t/* remove and free it */\n\t\t\tstcb->asoc.numnets--;\n\t\t\tTAILQ_REMOVE(&stcb->asoc.nets, net, sctp_next);\n\t\t\tsctp_free_remote_addr(net);\n\t\t\tif (net == stcb->asoc.primary_destination) {\n\t\t\t\tstcb->asoc.primary_destination = NULL;\n\t\t\t\tsctp_select_primary_destination(stcb);\n\t\t\t}\n\t\t}\n\t}\n\tif ((stcb->asoc.ecn_supported == 1) &&\n\t (peer_supports_ecn == 0)) {\n\t\tstcb->asoc.ecn_supported = 0;\n\t}\n\tif ((stcb->asoc.prsctp_supported == 1) &&\n\t (peer_supports_prsctp == 0)) {\n\t\tstcb->asoc.prsctp_supported = 0;\n\t}\n\tif ((stcb->asoc.auth_supported == 1) &&\n\t ((peer_supports_auth == 0) ||\n\t (got_random == 0) || (got_hmacs == 0))) {\n\t\tstcb->asoc.auth_supported = 0;\n\t}\n\tif ((stcb->asoc.asconf_supported == 1) &&\n\t ((peer_supports_asconf == 0) || (peer_supports_asconf_ack == 0) ||\n\t (stcb->asoc.auth_supported == 0) ||\n\t (saw_asconf == 0) || (saw_asconf_ack == 0))) {\n\t\tstcb->asoc.asconf_supported = 0;\n\t}\n\tif ((stcb->asoc.reconfig_supported == 1) &&\n\t (peer_supports_reconfig == 0)) {\n\t\tstcb->asoc.reconfig_supported = 0;\n\t}\n\tif ((stcb->asoc.idata_supported == 1) &&\n\t (peer_supports_idata == 0)) {\n\t\tstcb->asoc.idata_supported = 0;\n\t}\n\tif ((stcb->asoc.nrsack_supported == 1) &&\n\t (peer_supports_nrsack == 0)) {\n\t\tstcb->asoc.nrsack_supported = 0;\n\t}\n\tif ((stcb->asoc.pktdrop_supported == 1) &&\n\t (peer_supports_pktdrop == 0)){\n\t\tstcb->asoc.pktdrop_supported = 0;\n\t}\n\t/* validate authentication required parameters */\n\tif ((peer_supports_auth == 0) && (got_chklist == 1)) {\n\t\t/* peer does not support auth but sent a chunks list? */\n\t\treturn (-31);\n\t}\n\tif ((peer_supports_asconf == 1) && (peer_supports_auth == 0)) {\n\t\t/* peer supports asconf but not auth? */\n\t\treturn (-32);\n\t} else if ((peer_supports_asconf == 1) &&\n\t (peer_supports_auth == 1) &&\n\t\t ((saw_asconf == 0) || (saw_asconf_ack == 0))) {\n\t\treturn (-33);\n\t}\n\t/* concatenate the full random key */\n\tkeylen = sizeof(*p_random) + random_len + sizeof(*hmacs) + hmacs_len;\n\tif (chunks != NULL) {\n\t\tkeylen += sizeof(*chunks) + num_chunks;\n\t}\n\tnew_key = sctp_alloc_key(keylen);\n\tif (new_key != NULL) {\n\t\t/* copy in the RANDOM */\n\t\tif (p_random != NULL) {\n\t\t\tkeylen = sizeof(*p_random) + random_len;\n\t\t\tmemcpy(new_key->key, p_random, keylen);\n\t\t} else {\n\t\t\tkeylen = 0;\n\t\t}\n\t\t/* append in the AUTH chunks */\n\t\tif (chunks != NULL) {\n\t\t\tmemcpy(new_key->key + keylen, chunks,\n\t\t\t sizeof(*chunks) + num_chunks);\n\t\t\tkeylen += sizeof(*chunks) + num_chunks;\n\t\t}\n\t\t/* append in the HMACs */\n\t\tif (hmacs != NULL) {\n\t\t\tmemcpy(new_key->key + keylen, hmacs,\n\t\t\t sizeof(*hmacs) + hmacs_len);\n\t\t}\n\t} else {\n\t\t/* failed to get memory for the key */\n\t\treturn (-34);\n\t}\n\tif (stcb->asoc.authinfo.peer_random != NULL)\n\t\tsctp_free_key(stcb->asoc.authinfo.peer_random);\n\tstcb->asoc.authinfo.peer_random = new_key;\n\tsctp_clear_cachedkeys(stcb, stcb->asoc.authinfo.assoc_keyid);\n\tsctp_clear_cachedkeys(stcb, stcb->asoc.authinfo.recv_keyid);","\treturn (0);\n}","int\nsctp_set_primary_addr(struct sctp_tcb *stcb, struct sockaddr *sa,\n\t\t struct sctp_nets *net)\n{\n\t/* make sure the requested primary address exists in the assoc */\n\tif (net == NULL && sa)\n\t\tnet = sctp_findnet(stcb, sa);","\tif (net == NULL) {\n\t\t/* didn't find the requested primary address! */\n\t\treturn (-1);\n\t} else {\n\t\t/* set the primary address */\n\t\tif (net->dest_state & SCTP_ADDR_UNCONFIRMED) {\n\t\t\t/* Must be confirmed, so queue to set */\n\t\t\tnet->dest_state |= SCTP_ADDR_REQ_PRIMARY;\n\t\t\treturn (0);\n\t\t}\n\t\tstcb->asoc.primary_destination = net;\n\t\tif (!(net->dest_state & SCTP_ADDR_PF) && (stcb->asoc.alternate)) {\n\t\t\tsctp_free_remote_addr(stcb->asoc.alternate);\n\t\t\tstcb->asoc.alternate = NULL;\n\t\t}\n\t\tnet = TAILQ_FIRST(&stcb->asoc.nets);\n\t\tif (net != stcb->asoc.primary_destination) {\n\t\t\t/* first one on the list is NOT the primary\n\t\t\t * sctp_cmpaddr() is much more efficient if\n\t\t\t * the primary is the first on the list, make it\n\t\t\t * so.\n\t\t\t */\n\t\t\tTAILQ_REMOVE(&stcb->asoc.nets, stcb->asoc.primary_destination, sctp_next);\n\t\t\tTAILQ_INSERT_HEAD(&stcb->asoc.nets, stcb->asoc.primary_destination, sctp_next);\n\t\t}\n\t\treturn (0);\n\t}\n}","int\nsctp_is_vtag_good(uint32_t tag, uint16_t lport, uint16_t rport, struct timeval *now)\n{\n\t/*\n\t * This function serves two purposes. It will see if a TAG can be\n\t * re-used and return 1 for yes it is ok and 0 for don't use that\n\t * tag. A secondary function it will do is purge out old tags that\n\t * can be removed.\n\t */\n\tstruct sctpvtaghead *chain;\n\tstruct sctp_tagblock *twait_block;\n\tstruct sctpasochead *head;\n\tstruct sctp_tcb *stcb;\n\tint i;","\tSCTP_INP_INFO_RLOCK();\n\thead = &SCTP_BASE_INFO(sctp_asochash)[SCTP_PCBHASH_ASOC(tag,\n\t\t\t\t\t\t\t\tSCTP_BASE_INFO(hashasocmark))];\n\tLIST_FOREACH(stcb, head, sctp_asocs) {\n\t\t/* We choose not to lock anything here. TCB's can't be\n\t\t * removed since we have the read lock, so they can't\n\t\t * be freed on us, same thing for the INP. I may\n\t\t * be wrong with this assumption, but we will go\n\t\t * with it for now :-)\n\t\t */\n\t\tif (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {\n\t\t\tcontinue;\n\t\t}\n\t\tif (stcb->asoc.my_vtag == tag) {\n\t\t\t/* candidate */\n\t\t\tif (stcb->rport != rport) {\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tif (stcb->sctp_ep->sctp_lport != lport) {\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\t/* Its a used tag set */\n\t\t\tSCTP_INP_INFO_RUNLOCK();\n\t\t\treturn (0);\n\t\t}\n\t}\n\tchain = &SCTP_BASE_INFO(vtag_timewait)[(tag % SCTP_STACK_VTAG_HASH_SIZE)];\n\t/* Now what about timed wait ? */\n\tLIST_FOREACH(twait_block, chain, sctp_nxt_tagblock) {\n\t\t/*\n\t\t * Block(s) are present, lets see if we have this tag in the\n\t\t * list\n\t\t */\n\t\tfor (i = 0; i < SCTP_NUMBER_IN_VTAG_BLOCK; i++) {\n\t\t\tif (twait_block->vtag_block[i].v_tag == 0) {\n\t\t\t\t/* not used */\n\t\t\t\tcontinue;\n\t\t\t} else if ((long)twait_block->vtag_block[i].tv_sec_at_expire <\n\t\t\t\t now->tv_sec) {\n\t\t\t\t/* Audit expires this guy */\n\t\t\t\ttwait_block->vtag_block[i].tv_sec_at_expire = 0;\n\t\t\t\ttwait_block->vtag_block[i].v_tag = 0;\n\t\t\t\ttwait_block->vtag_block[i].lport = 0;\n\t\t\t\ttwait_block->vtag_block[i].rport = 0;\n\t\t\t} else if ((twait_block->vtag_block[i].v_tag == tag) &&\n\t\t\t\t (twait_block->vtag_block[i].lport == lport) &&\n\t\t\t\t (twait_block->vtag_block[i].rport == rport)) {\n\t\t\t\t/* Bad tag, sorry :< */\n\t\t\t\tSCTP_INP_INFO_RUNLOCK();\n\t\t\t\treturn (0);\n\t\t\t}\n\t\t}\n\t}\n\tSCTP_INP_INFO_RUNLOCK();\n\treturn (1);\n}","static void\nsctp_drain_mbufs(struct sctp_tcb *stcb)\n{\n\t/*\n\t * We must hunt this association for MBUF's past the cumack (i.e.\n\t * out of order data that we can renege on).\n\t */\n\tstruct sctp_association *asoc;\n\tstruct sctp_tmit_chunk *chk, *nchk;\n\tuint32_t cumulative_tsn_p1;\n\tstruct sctp_queued_to_read *control, *ncontrol;\n\tint cnt, strmat;\n\tuint32_t gap, i;\n\tint fnd = 0;","\t/* We look for anything larger than the cum-ack + 1 */","\tasoc = &stcb->asoc;\n\tif (asoc->cumulative_tsn == asoc->highest_tsn_inside_map) {\n\t\t/* none we can reneg on. */\n\t\treturn;\n\t}\n\tSCTP_STAT_INCR(sctps_protocol_drains_done);\n\tcumulative_tsn_p1 = asoc->cumulative_tsn + 1;\n\tcnt = 0;\n\t/* Ok that was fun, now we will drain all the inbound streams? */\n\tfor (strmat = 0; strmat < asoc->streamincnt; strmat++) {\n\t\tTAILQ_FOREACH_SAFE(control, &asoc->strmin[strmat].inqueue, next_instrm, ncontrol) {\n#ifdef INVARIANTS\n\t\t\tif (control->on_strm_q != SCTP_ON_ORDERED ) {\n\t\t\t\tpanic(\"Huh control: %p on_q: %d -- not ordered?\",\n\t\t\t\t control, control->on_strm_q);\n\t\t\t}\n#endif\n\t\t\tif (SCTP_TSN_GT(control->sinfo_tsn, cumulative_tsn_p1)) {\n\t\t\t\t/* Yep it is above cum-ack */\n\t\t\t\tcnt++;\n\t\t\t\tSCTP_CALC_TSN_TO_GAP(gap, control->sinfo_tsn, asoc->mapping_array_base_tsn);\n\t\t\t\tKASSERT(control->length > 0, (\"control has zero length\"));\n\t\t\t\tif (asoc->size_on_all_streams >= control->length) {\n\t\t\t\t\tasoc->size_on_all_streams -= control->length;\n\t\t\t\t} else {\n#ifdef INVARIANTS\n\t\t\t\t\tpanic(\"size_on_all_streams = %u smaller than control length %u\", asoc->size_on_all_streams, control->length);\n#else\n\t\t\t\t\tasoc->size_on_all_streams = 0;\n#endif\n\t\t\t\t}\n\t\t\t\tsctp_ucount_decr(asoc->cnt_on_all_streams);\n\t\t\t\tSCTP_UNSET_TSN_PRESENT(asoc->mapping_array, gap);\n\t\t\t\tif (control->on_read_q) {\n\t\t\t\t\tTAILQ_REMOVE(&stcb->sctp_ep->read_queue, control, next);\n\t\t\t\t\tcontrol->on_read_q = 0;\n\t\t\t\t}\n\t\t\t\tTAILQ_REMOVE(&asoc->strmin[strmat].inqueue, control, next_instrm);\n\t\t\t\tcontrol->on_strm_q = 0;\n\t\t\t\tif (control->data) {\n\t\t\t\t\tsctp_m_freem(control->data);\n\t\t\t\t\tcontrol->data = NULL;\n\t\t\t\t}\n\t\t\t\tsctp_free_remote_addr(control->whoFrom);\n\t\t\t\t/* Now its reasm? */\n\t\t\t\tTAILQ_FOREACH_SAFE(chk, &control->reasm, sctp_next, nchk) {\n\t\t\t\t\tcnt++;\n\t\t\t\t\tSCTP_CALC_TSN_TO_GAP(gap, chk->rec.data.tsn, asoc->mapping_array_base_tsn);\n\t\t\t\t\tKASSERT(chk->send_size > 0, (\"chunk has zero length\"));\n\t\t\t\t\tif (asoc->size_on_reasm_queue >= chk->send_size) {\n\t\t\t\t\t\tasoc->size_on_reasm_queue -= chk->send_size;\n\t\t\t\t\t} else {\n#ifdef INVARIANTS\n\t\t\t\t\t\tpanic(\"size_on_reasm_queue = %u smaller than chunk length %u\", asoc->size_on_reasm_queue, chk->send_size);\n#else\n\t\t\t\t\t\tasoc->size_on_reasm_queue = 0;\n#endif\n\t\t\t\t\t}\n\t\t\t\t\tsctp_ucount_decr(asoc->cnt_on_reasm_queue);\n\t\t\t\t\tSCTP_UNSET_TSN_PRESENT(asoc->mapping_array, gap);\n\t\t\t\t\tTAILQ_REMOVE(&control->reasm, chk, sctp_next);\n\t\t\t\t\tif (chk->data) {\n\t\t\t\t\t\tsctp_m_freem(chk->data);\n\t\t\t\t\t\tchk->data = NULL;\n\t\t\t\t\t}\n\t\t\t\t\tsctp_free_a_chunk(stcb, chk, SCTP_SO_NOT_LOCKED);\n\t\t\t\t}\n\t\t\t\tsctp_free_a_readq(stcb, control);\n\t\t\t}\n\t\t}\n\t\tTAILQ_FOREACH_SAFE(control, &asoc->strmin[strmat].uno_inqueue, next_instrm, ncontrol) {\n#ifdef INVARIANTS\n\t\t\tif (control->on_strm_q != SCTP_ON_UNORDERED ) {\n\t\t\t\tpanic(\"Huh control: %p on_q: %d -- not unordered?\",\n\t\t\t\t control, control->on_strm_q);\n\t\t\t}\n#endif\n\t\t\tif (SCTP_TSN_GT(control->sinfo_tsn, cumulative_tsn_p1)) {\n\t\t\t\t/* Yep it is above cum-ack */\n\t\t\t\tcnt++;\n\t\t\t\tSCTP_CALC_TSN_TO_GAP(gap, control->sinfo_tsn, asoc->mapping_array_base_tsn);\n\t\t\t\tKASSERT(control->length > 0, (\"control has zero length\"));\n\t\t\t\tif (asoc->size_on_all_streams >= control->length) {\n\t\t\t\t\tasoc->size_on_all_streams -= control->length;\n\t\t\t\t} else {\n#ifdef INVARIANTS\n\t\t\t\t\tpanic(\"size_on_all_streams = %u smaller than control length %u\", asoc->size_on_all_streams, control->length);\n#else\n\t\t\t\t\tasoc->size_on_all_streams = 0;\n#endif\n\t\t\t\t}\n\t\t\t\tsctp_ucount_decr(asoc->cnt_on_all_streams);\n\t\t\t\tSCTP_UNSET_TSN_PRESENT(asoc->mapping_array, gap);\n\t\t\t\tif (control->on_read_q) {\n\t\t\t\t\tTAILQ_REMOVE(&stcb->sctp_ep->read_queue, control, next);\n\t\t\t\t\tcontrol->on_read_q = 0;\n\t\t\t\t}\n\t\t\t\tTAILQ_REMOVE(&asoc->strmin[strmat].uno_inqueue, control, next_instrm);\n\t\t\t\tcontrol->on_strm_q = 0;\n\t\t\t\tif (control->data) {\n\t\t\t\t\tsctp_m_freem(control->data);\n\t\t\t\t\tcontrol->data = NULL;\n\t\t\t\t}\n\t\t\t\tsctp_free_remote_addr(control->whoFrom);\n\t\t\t\t/* Now its reasm? */\n\t\t\t\tTAILQ_FOREACH_SAFE(chk, &control->reasm, sctp_next, nchk) {\n\t\t\t\t\tcnt++;\n\t\t\t\t\tSCTP_CALC_TSN_TO_GAP(gap, chk->rec.data.tsn, asoc->mapping_array_base_tsn);\n\t\t\t\t\tKASSERT(chk->send_size > 0, (\"chunk has zero length\"));\n\t\t\t\t\tif (asoc->size_on_reasm_queue >= chk->send_size) {\n\t\t\t\t\t\tasoc->size_on_reasm_queue -= chk->send_size;\n\t\t\t\t\t} else {\n#ifdef INVARIANTS\n\t\t\t\t\t\tpanic(\"size_on_reasm_queue = %u smaller than chunk length %u\", asoc->size_on_reasm_queue, chk->send_size);\n#else\n\t\t\t\t\t\tasoc->size_on_reasm_queue = 0;\n#endif\n\t\t\t\t\t}\n\t\t\t\t\tsctp_ucount_decr(asoc->cnt_on_reasm_queue);\n\t\t\t\t\tSCTP_UNSET_TSN_PRESENT(asoc->mapping_array, gap);\n\t\t\t\t\tTAILQ_REMOVE(&control->reasm, chk, sctp_next);\n\t\t\t\t\tif (chk->data) {\n\t\t\t\t\t\tsctp_m_freem(chk->data);\n\t\t\t\t\t\tchk->data = NULL;\n\t\t\t\t\t}\n\t\t\t\t\tsctp_free_a_chunk(stcb, chk, SCTP_SO_NOT_LOCKED);\n\t\t\t\t}\n\t\t\t\tsctp_free_a_readq(stcb, control);\n\t\t\t}\n\t\t}\n\t}\n\tif (cnt) {\n\t\t/* We must back down to see what the new highest is */\n\t\tfor (i = asoc->highest_tsn_inside_map; SCTP_TSN_GE(i, asoc->mapping_array_base_tsn); i--) {\n\t\t\tSCTP_CALC_TSN_TO_GAP(gap, i, asoc->mapping_array_base_tsn);\n\t\t\tif (SCTP_IS_TSN_PRESENT(asoc->mapping_array, gap)) {\n\t\t\t\tasoc->highest_tsn_inside_map = i;\n\t\t\t\tfnd = 1;\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\t\tif (!fnd) {\n\t\t\tasoc->highest_tsn_inside_map = asoc->mapping_array_base_tsn - 1;\n\t\t}","\t\t/*\n\t\t * Question, should we go through the delivery queue? The only\n\t\t * reason things are on here is the app not reading OR a p-d-api up.\n\t\t * An attacker COULD send enough in to initiate the PD-API and then\n\t\t * send a bunch of stuff to other streams... these would wind up on\n\t\t * the delivery queue.. and then we would not get to them. But in\n\t\t * order to do this I then have to back-track and un-deliver\n\t\t * sequence numbers in streams.. el-yucko. I think for now we will\n\t\t * NOT look at the delivery queue and leave it to be something to\n\t\t * consider later. An alternative would be to abort the P-D-API with\n\t\t * a notification and then deliver the data.... Or another method\n\t\t * might be to keep track of how many times the situation occurs and\n\t\t * if we see a possible attack underway just abort the association.\n\t\t */\n#ifdef SCTP_DEBUG\n\t\tSCTPDBG(SCTP_DEBUG_PCB1, \"Freed %d chunks from reneg harvest\\n\", cnt);\n#endif\n\t\t/*\n\t\t * Now do we need to find a new\n\t\t * asoc->highest_tsn_inside_map?\n\t\t */\n\t\tasoc->last_revoke_count = cnt;\n\t\t(void)SCTP_OS_TIMER_STOP(&stcb->asoc.dack_timer.timer);\n\t\t/*sa_ignore NO_NULL_CHK*/\n\t\tsctp_send_sack(stcb, SCTP_SO_NOT_LOCKED);\n\t\tsctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_DRAIN, SCTP_SO_NOT_LOCKED);\n\t}\n\t/*\n\t * Another issue, in un-setting the TSN's in the mapping array we\n\t * DID NOT adjust the highest_tsn marker. This will cause one of two\n\t * things to occur. It may cause us to do extra work in checking for\n\t * our mapping array movement. More importantly it may cause us to\n\t * SACK every datagram. This may not be a bad thing though since we\n\t * will recover once we get our cum-ack above and all this stuff we\n\t * dumped recovered.\n\t */\n}","void\nsctp_drain()\n{\n\t/*\n\t * We must walk the PCB lists for ALL associations here. The system\n\t * is LOW on MBUF's and needs help. This is where reneging will\n\t * occur. We really hope this does NOT happen!\n\t */\n#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\n\tVNET_ITERATOR_DECL(vnet_iter);\n#else\n\tstruct sctp_inpcb *inp;\n\tstruct sctp_tcb *stcb;","\tSCTP_STAT_INCR(sctps_protocol_drain_calls);\n\tif (SCTP_BASE_SYSCTL(sctp_do_drain) == 0) {\n\t\treturn;\n\t}\n#endif\n#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\n\tVNET_LIST_RLOCK_NOSLEEP();\n\tVNET_FOREACH(vnet_iter) {\n\t\tCURVNET_SET(vnet_iter);\n\t\tstruct sctp_inpcb *inp;\n\t\tstruct sctp_tcb *stcb;\n#endif","#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\n\t\tSCTP_STAT_INCR(sctps_protocol_drain_calls);\n\t\tif (SCTP_BASE_SYSCTL(sctp_do_drain) == 0) {\n#ifdef VIMAGE\n\t\t\tcontinue;\n#else\n\t\t\treturn;\n#endif\n\t\t}\n#endif\n\t\tSCTP_INP_INFO_RLOCK();\n\t\tLIST_FOREACH(inp, &SCTP_BASE_INFO(listhead), sctp_list) {\n\t\t\t/* For each endpoint */\n\t\t\tSCTP_INP_RLOCK(inp);\n\t\t\tLIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {\n\t\t\t\t/* For each association */\n\t\t\t\tSCTP_TCB_LOCK(stcb);\n\t\t\t\tsctp_drain_mbufs(stcb);\n\t\t\t\tSCTP_TCB_UNLOCK(stcb);\n\t\t\t}\n\t\t\tSCTP_INP_RUNLOCK(inp);\n\t\t}\n\t\tSCTP_INP_INFO_RUNLOCK();\n#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\n\t\tCURVNET_RESTORE();\n\t}\n\tVNET_LIST_RUNLOCK_NOSLEEP();\n#endif\n}","/*\n * start a new iterator\n * iterates through all endpoints and associations based on the pcb_state\n * flags and asoc_state. \"af\" (mandatory) is executed for all matching\n * assocs and \"ef\" (optional) is executed when the iterator completes.\n * \"inpf\" (optional) is executed for each new endpoint as it is being\n * iterated through. inpe (optional) is called when the inp completes\n * its way through all the stcbs.\n */\nint\nsctp_initiate_iterator(inp_func inpf,\n\t\t asoc_func af,\n\t\t inp_func inpe,\n\t\t uint32_t pcb_state,\n\t\t uint32_t pcb_features,\n\t\t uint32_t asoc_state,\n\t\t void *argp,\n\t\t uint32_t argi,\n\t\t end_func ef,\n\t\t struct sctp_inpcb *s_inp,\n\t\t uint8_t chunk_output_off)\n{\n\tstruct sctp_iterator *it = NULL;","\tif (af == NULL) {\n\t\treturn (-1);\n\t}\n\tif (SCTP_BASE_VAR(sctp_pcb_initialized) == 0) {\n\t\tSCTP_PRINTF(\"%s: abort on initialize being %d\\n\", __func__,\n\t\t SCTP_BASE_VAR(sctp_pcb_initialized));\n\t\treturn (-1);\n\t}\n\tSCTP_MALLOC(it, struct sctp_iterator *, sizeof(struct sctp_iterator),\n\t\t SCTP_M_ITER);\n\tif (it == NULL) {\n\t\tSCTP_LTRACE_ERR_RET(NULL, NULL, NULL, SCTP_FROM_SCTP_PCB, ENOMEM);\n\t\treturn (ENOMEM);\n\t}\n\tmemset(it, 0, sizeof(*it));\n\tit->function_assoc = af;\n\tit->function_inp = inpf;\n\tif (inpf)\n\t\tit->done_current_ep = 0;\n\telse\n\t\tit->done_current_ep = 1;\n\tit->function_atend = ef;\n\tit->pointer = argp;\n\tit->val = argi;\n\tit->pcb_flags = pcb_state;\n\tit->pcb_features = pcb_features;\n\tit->asoc_state = asoc_state;\n\tit->function_inp_end = inpe;\n\tit->no_chunk_output = chunk_output_off;\n#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\n\tit->vn = curvnet;\n#endif\n\tif (s_inp) {\n\t\t/* Assume lock is held here */\n\t\tit->inp = s_inp;\n\t\tSCTP_INP_INCR_REF(it->inp);\n\t\tit->iterator_flags = SCTP_ITERATOR_DO_SINGLE_INP;\n\t} else {\n\t\tSCTP_INP_INFO_RLOCK();\n\t\tit->inp = LIST_FIRST(&SCTP_BASE_INFO(listhead));\n\t\tif (it->inp) {\n\t\t\tSCTP_INP_INCR_REF(it->inp);\n\t\t}\n\t\tSCTP_INP_INFO_RUNLOCK();\n\t\tit->iterator_flags = SCTP_ITERATOR_DO_ALL_INP;","\t}\n\tSCTP_IPI_ITERATOR_WQ_LOCK();\n\tif (SCTP_BASE_VAR(sctp_pcb_initialized) == 0) {\n\t\tSCTP_IPI_ITERATOR_WQ_UNLOCK();\n\t\tSCTP_PRINTF(\"%s: rollback on initialize being %d it=%p\\n\", __func__,\n\t\t SCTP_BASE_VAR(sctp_pcb_initialized), it);\n\t\tSCTP_FREE(it, SCTP_M_ITER);\n\t\treturn (-1);\n\t}\n\tTAILQ_INSERT_TAIL(&sctp_it_ctl.iteratorhead, it, sctp_nxt_itr);\n\tif (sctp_it_ctl.iterator_running == 0) {\n\t\tsctp_wakeup_iterator();\n\t}\n\tSCTP_IPI_ITERATOR_WQ_UNLOCK();\n\t/* sa_ignore MEMLEAK {memory is put on the tailq for the iterator} */\n\treturn (0);\n}"],"string":"[\n \"/*-\\n * SPDX-License-Identifier: BSD-3-Clause\\n *\\n * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved.\\n * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.\\n * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.\\n *\\n * Redistribution and use in source and binary forms, with or without\\n * modification, are permitted provided that the following conditions are met:\\n *\\n * a) Redistributions of source code must retain the above copyright notice,\\n * this list of conditions and the following disclaimer.\\n *\\n * b) Redistributions in binary form must reproduce the above copyright\\n * notice, this list of conditions and the following disclaimer in\\n * the documentation and/or other materials provided with the distribution.\\n *\\n * c) Neither the name of Cisco Systems, Inc. nor the names of its\\n * contributors may be used to endorse or promote products derived\\n * from this software without specific prior written permission.\\n *\\n * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\\n * \\\"AS IS\\\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,\\n * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\\n * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\\n * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\\n * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\\n * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\\n * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\\n * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\\n * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF\\n * THE POSSIBILITY OF SUCH DAMAGE.\\n */\",\n \"#ifdef __FreeBSD__\\n#include <sys/cdefs.h>\",\n \"__FBSDID(\\\"$FreeBSD: head/sys/netinet/sctp_pcb.c 355931 2019-12-20 15:25:08Z tuexen $\\\");\",\n \"#endif\",\n \"#include <netinet/sctp_os.h>\\n#ifdef __FreeBSD__\\n#include <sys/proc.h>\\n#endif\\n#include <netinet/sctp_var.h>\\n#include <netinet/sctp_sysctl.h>\\n#include <netinet/sctp_pcb.h>\\n#include <netinet/sctputil.h>\\n#include <netinet/sctp.h>\\n#include <netinet/sctp_header.h>\\n#include <netinet/sctp_asconf.h>\\n#include <netinet/sctp_output.h>\\n#include <netinet/sctp_timer.h>\\n#include <netinet/sctp_bsd_addr.h>\\n#if defined(INET) || defined(INET6)\\n#if !defined(__Userspace_os_Windows)\\n#include <netinet/udp.h>\\n#endif\\n#endif\\n#ifdef INET6\\n#if defined(__Userspace__)\\n#include \\\"user_ip6_var.h\\\"\\n#else\\n#include <netinet6/ip6_var.h>\\n#endif\\n#endif\\n#if defined(__FreeBSD__)\\n#include <sys/sched.h>\\n#include <sys/smp.h>\\n#include <sys/unistd.h>\\n#endif\\n#if defined(__Userspace__)\\n#include <user_socketvar.h>\\n#include <user_atomic.h>\\n#if !defined(__Userspace_os_Windows)\\n#include <netdb.h>\\n#endif\\n#endif\",\n \"#if defined(__APPLE__)\\n#define APPLE_FILE_NO 4\\n#endif\",\n \"#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\\nVNET_DEFINE(struct sctp_base_info, system_base_info);\\n#else\\nstruct sctp_base_info system_base_info;\\n#endif\",\n \"/* FIX: we don't handle multiple link local scopes */\\n/* \\\"scopeless\\\" replacement IN6_ARE_ADDR_EQUAL */\\n#ifdef INET6\\nint\\nSCTP6_ARE_ADDR_EQUAL(struct sockaddr_in6 *a, struct sockaddr_in6 *b)\\n{\\n#ifdef SCTP_EMBEDDED_V6_SCOPE\\n#if defined(__APPLE__)\\n\\tstruct in6_addr tmp_a, tmp_b;\",\n \"\\ttmp_a = a->sin6_addr;\\n#if defined(APPLE_LEOPARD) || defined(APPLE_SNOWLEOPARD)\\n\\tif (in6_embedscope(&tmp_a, a, NULL, NULL) != 0) {\\n#else\\n\\tif (in6_embedscope(&tmp_a, a, NULL, NULL, NULL) != 0) {\\n#endif\\n\\t\\treturn (0);\\n\\t}\\n\\ttmp_b = b->sin6_addr;\\n#if defined(APPLE_LEOPARD) || defined(APPLE_SNOWLEOPARD)\\n\\tif (in6_embedscope(&tmp_b, b, NULL, NULL) != 0) {\\n#else\\n\\tif (in6_embedscope(&tmp_b, b, NULL, NULL, NULL) != 0) {\\n#endif\\n\\t\\treturn (0);\\n\\t}\\n\\treturn (IN6_ARE_ADDR_EQUAL(&tmp_a, &tmp_b));\\n#elif defined(SCTP_KAME)\\n\\tstruct sockaddr_in6 tmp_a, tmp_b;\",\n \"\\tmemcpy(&tmp_a, a, sizeof(struct sockaddr_in6));\\n\\tif (sa6_embedscope(&tmp_a, MODULE_GLOBAL(ip6_use_defzone)) != 0) {\\n\\t\\treturn (0);\\n\\t}\\n\\tmemcpy(&tmp_b, b, sizeof(struct sockaddr_in6));\\n\\tif (sa6_embedscope(&tmp_b, MODULE_GLOBAL(ip6_use_defzone)) != 0) {\\n\\t\\treturn (0);\\n\\t}\\n\\treturn (IN6_ARE_ADDR_EQUAL(&tmp_a.sin6_addr, &tmp_b.sin6_addr));\\n#else\\n\\tstruct in6_addr tmp_a, tmp_b;\",\n \"\\ttmp_a = a->sin6_addr;\\n\\tif (in6_embedscope(&tmp_a, a) != 0) {\\n\\t\\treturn (0);\\n\\t}\\n\\ttmp_b = b->sin6_addr;\\n\\tif (in6_embedscope(&tmp_b, b) != 0) {\\n\\t\\treturn (0);\\n\\t}\\n\\treturn (IN6_ARE_ADDR_EQUAL(&tmp_a, &tmp_b));\\n#endif\\n#else\\n\\treturn (IN6_ARE_ADDR_EQUAL(&(a->sin6_addr), &(b->sin6_addr)));\\n#endif /* SCTP_EMBEDDED_V6_SCOPE */\\n}\\n#endif\",\n \"void\\nsctp_fill_pcbinfo(struct sctp_pcbinfo *spcb)\\n{\\n\\t/*\\n\\t * We really don't need to lock this, but I will just because it\\n\\t * does not hurt.\\n\\t */\\n\\tSCTP_INP_INFO_RLOCK();\\n\\tspcb->ep_count = SCTP_BASE_INFO(ipi_count_ep);\\n\\tspcb->asoc_count = SCTP_BASE_INFO(ipi_count_asoc);\\n\\tspcb->laddr_count = SCTP_BASE_INFO(ipi_count_laddr);\\n\\tspcb->raddr_count = SCTP_BASE_INFO(ipi_count_raddr);\\n\\tspcb->chk_count = SCTP_BASE_INFO(ipi_count_chunk);\\n\\tspcb->readq_count = SCTP_BASE_INFO(ipi_count_readq);\\n\\tspcb->stream_oque = SCTP_BASE_INFO(ipi_count_strmoq);\\n\\tspcb->free_chunks = SCTP_BASE_INFO(ipi_free_chunks);\\n\\tSCTP_INP_INFO_RUNLOCK();\\n}\",\n \"/*-\\n * Addresses are added to VRF's (Virtual Router's). For BSD we\\n * have only the default VRF 0. We maintain a hash list of\\n * VRF's. Each VRF has its own list of sctp_ifn's. Each of\\n * these has a list of addresses. When we add a new address\\n * to a VRF we lookup the ifn/ifn_index, if the ifn does\\n * not exist we create it and add it to the list of IFN's\\n * within the VRF. Once we have the sctp_ifn, we add the\\n * address to the list. So we look something like:\\n *\\n * hash-vrf-table\\n * vrf-> ifn-> ifn -> ifn\\n * vrf |\\n * ... +--ifa-> ifa -> ifa\\n * vrf\\n *\\n * We keep these separate lists since the SCTP subsystem will\\n * point to these from its source address selection nets structure.\\n * When an address is deleted it does not happen right away on\\n * the SCTP side, it gets scheduled. What we do when a\\n * delete happens is immediately remove the address from\\n * the master list and decrement the refcount. As our\\n * addip iterator works through and frees the src address\\n * selection pointing to the sctp_ifa, eventually the refcount\\n * will reach 0 and we will delete it. Note that it is assumed\\n * that any locking on system level ifn/ifa is done at the\\n * caller of these functions and these routines will only\\n * lock the SCTP structures as they add or delete things.\\n *\\n * Other notes on VRF concepts.\\n * - An endpoint can be in multiple VRF's\\n * - An association lives within a VRF and only one VRF.\\n * - Any incoming packet we can deduce the VRF for by\\n * looking at the mbuf/pak inbound (for BSD its VRF=0 :D)\\n * - Any downward send call or connect call must supply the\\n * VRF via ancillary data or via some sort of set default\\n * VRF socket option call (again for BSD no brainer since\\n * the VRF is always 0).\\n * - An endpoint may add multiple VRF's to it.\\n * - Listening sockets can accept associations in any\\n * of the VRF's they are in but the assoc will end up\\n * in only one VRF (gotten from the packet or connect/send).\\n *\\n */\",\n \"struct sctp_vrf *\\nsctp_allocate_vrf(int vrf_id)\\n{\\n\\tstruct sctp_vrf *vrf = NULL;\\n\\tstruct sctp_vrflist *bucket;\",\n \"\\t/* First allocate the VRF structure */\\n\\tvrf = sctp_find_vrf(vrf_id);\\n\\tif (vrf) {\\n\\t\\t/* Already allocated */\\n\\t\\treturn (vrf);\\n\\t}\\n\\tSCTP_MALLOC(vrf, struct sctp_vrf *, sizeof(struct sctp_vrf),\\n\\t\\t SCTP_M_VRF);\\n\\tif (vrf == NULL) {\\n\\t\\t/* No memory */\\n#ifdef INVARIANTS\\n\\t\\tpanic(\\\"No memory for VRF:%d\\\", vrf_id);\\n#endif\\n\\t\\treturn (NULL);\\n\\t}\\n\\t/* setup the VRF */\\n\\tmemset(vrf, 0, sizeof(struct sctp_vrf));\\n\\tvrf->vrf_id = vrf_id;\\n\\tLIST_INIT(&vrf->ifnlist);\\n\\tvrf->total_ifa_count = 0;\\n\\tvrf->refcount = 0;\\n\\t/* now also setup table ids */\\n\\tSCTP_INIT_VRF_TABLEID(vrf);\\n\\t/* Init the HASH of addresses */\\n\\tvrf->vrf_addr_hash = SCTP_HASH_INIT(SCTP_VRF_ADDR_HASH_SIZE,\\n\\t\\t\\t\\t\\t &vrf->vrf_addr_hashmark);\\n\\tif (vrf->vrf_addr_hash == NULL) {\\n\\t\\t/* No memory */\\n#ifdef INVARIANTS\\n\\t\\tpanic(\\\"No memory for VRF:%d\\\", vrf_id);\\n#endif\\n\\t\\tSCTP_FREE(vrf, SCTP_M_VRF);\\n\\t\\treturn (NULL);\\n\\t}\",\n \"\\t/* Add it to the hash table */\\n\\tbucket = &SCTP_BASE_INFO(sctp_vrfhash)[(vrf_id & SCTP_BASE_INFO(hashvrfmark))];\\n\\tLIST_INSERT_HEAD(bucket, vrf, next_vrf);\\n\\tatomic_add_int(&SCTP_BASE_INFO(ipi_count_vrfs), 1);\\n\\treturn (vrf);\\n}\",\n \"\\nstruct sctp_ifn *\\nsctp_find_ifn(void *ifn, uint32_t ifn_index)\\n{\\n\\tstruct sctp_ifn *sctp_ifnp;\\n\\tstruct sctp_ifnlist *hash_ifn_head;\",\n \"\\t/* We assume the lock is held for the addresses\\n\\t * if that's wrong problems could occur :-)\\n\\t */\\n\\thash_ifn_head = &SCTP_BASE_INFO(vrf_ifn_hash)[(ifn_index & SCTP_BASE_INFO(vrf_ifn_hashmark))];\\n\\tLIST_FOREACH(sctp_ifnp, hash_ifn_head, next_bucket) {\\n\\t\\tif (sctp_ifnp->ifn_index == ifn_index) {\\n\\t\\t\\treturn (sctp_ifnp);\\n\\t\\t}\\n\\t\\tif (sctp_ifnp->ifn_p && ifn && (sctp_ifnp->ifn_p == ifn)) {\\n\\t\\t\\treturn (sctp_ifnp);\\n\\t\\t}\\n\\t}\\n\\treturn (NULL);\\n}\",\n \"\\nstruct sctp_vrf *\\nsctp_find_vrf(uint32_t vrf_id)\\n{\\n\\tstruct sctp_vrflist *bucket;\\n\\tstruct sctp_vrf *liste;\",\n \"\\tbucket = &SCTP_BASE_INFO(sctp_vrfhash)[(vrf_id & SCTP_BASE_INFO(hashvrfmark))];\\n\\tLIST_FOREACH(liste, bucket, next_vrf) {\\n\\t\\tif (vrf_id == liste->vrf_id) {\\n\\t\\t\\treturn (liste);\\n\\t\\t}\\n\\t}\\n\\treturn (NULL);\\n}\",\n \"\\nvoid\\nsctp_free_vrf(struct sctp_vrf *vrf)\\n{\\n\\tif (SCTP_DECREMENT_AND_CHECK_REFCOUNT(&vrf->refcount)) {\\n if (vrf->vrf_addr_hash) {\\n SCTP_HASH_FREE(vrf->vrf_addr_hash, vrf->vrf_addr_hashmark);\\n vrf->vrf_addr_hash = NULL;\\n }\\n\\t\\t/* We zero'd the count */\\n\\t\\tLIST_REMOVE(vrf, next_vrf);\\n\\t\\tSCTP_FREE(vrf, SCTP_M_VRF);\\n\\t\\tatomic_subtract_int(&SCTP_BASE_INFO(ipi_count_vrfs), 1);\\n\\t}\\n}\",\n \"\\nvoid\\nsctp_free_ifn(struct sctp_ifn *sctp_ifnp)\\n{\\n\\tif (SCTP_DECREMENT_AND_CHECK_REFCOUNT(&sctp_ifnp->refcount)) {\\n\\t\\t/* We zero'd the count */\\n\\t\\tif (sctp_ifnp->vrf) {\\n\\t\\t\\tsctp_free_vrf(sctp_ifnp->vrf);\\n\\t\\t}\\n\\t\\tSCTP_FREE(sctp_ifnp, SCTP_M_IFN);\\n\\t\\tatomic_subtract_int(&SCTP_BASE_INFO(ipi_count_ifns), 1);\\n\\t}\\n}\",\n \"\\nvoid\\nsctp_update_ifn_mtu(uint32_t ifn_index, uint32_t mtu)\\n{\\n\\tstruct sctp_ifn *sctp_ifnp;\",\n \"\\tsctp_ifnp = sctp_find_ifn((void *)NULL, ifn_index);\\n\\tif (sctp_ifnp != NULL) {\\n\\t\\tsctp_ifnp->ifn_mtu = mtu;\\n\\t}\\n}\",\n \"\\nvoid\\nsctp_free_ifa(struct sctp_ifa *sctp_ifap)\\n{\\n\\tif (SCTP_DECREMENT_AND_CHECK_REFCOUNT(&sctp_ifap->refcount)) {\\n\\t\\t/* We zero'd the count */\\n\\t\\tif (sctp_ifap->ifn_p) {\\n\\t\\t\\tsctp_free_ifn(sctp_ifap->ifn_p);\\n\\t\\t}\\n\\t\\tSCTP_FREE(sctp_ifap, SCTP_M_IFA);\\n\\t\\tatomic_subtract_int(&SCTP_BASE_INFO(ipi_count_ifas), 1);\\n\\t}\\n}\",\n \"\\nstatic void\\nsctp_delete_ifn(struct sctp_ifn *sctp_ifnp, int hold_addr_lock)\\n{\\n\\tstruct sctp_ifn *found;\",\n \"\\tfound = sctp_find_ifn(sctp_ifnp->ifn_p, sctp_ifnp->ifn_index);\\n\\tif (found == NULL) {\\n\\t\\t/* Not in the list.. sorry */\\n\\t\\treturn;\\n\\t}\\n\\tif (hold_addr_lock == 0)\\n\\t\\tSCTP_IPI_ADDR_WLOCK();\\n\\tLIST_REMOVE(sctp_ifnp, next_bucket);\\n\\tLIST_REMOVE(sctp_ifnp, next_ifn);\\n\\tSCTP_DEREGISTER_INTERFACE(sctp_ifnp->ifn_index,\\n\\t\\t\\t\\t sctp_ifnp->registered_af);\\n\\tif (hold_addr_lock == 0)\\n\\t\\tSCTP_IPI_ADDR_WUNLOCK();\\n\\t/* Take away the reference, and possibly free it */\\n\\tsctp_free_ifn(sctp_ifnp);\\n}\",\n \"\\nvoid\\nsctp_mark_ifa_addr_down(uint32_t vrf_id, struct sockaddr *addr,\\n\\t\\t\\tconst char *if_name, uint32_t ifn_index)\\n{\\n\\tstruct sctp_vrf *vrf;\\n\\tstruct sctp_ifa *sctp_ifap;\",\n \"\\tSCTP_IPI_ADDR_RLOCK();\\n\\tvrf = sctp_find_vrf(vrf_id);\\n\\tif (vrf == NULL) {\\n\\t\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"Can't find vrf_id 0x%x\\\\n\\\", vrf_id);\\n\\t\\tgoto out;\",\n \"\\t}\\n\\tsctp_ifap = sctp_find_ifa_by_addr(addr, vrf->vrf_id, SCTP_ADDR_LOCKED);\\n\\tif (sctp_ifap == NULL) {\\n\\t\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"Can't find sctp_ifap for address\\\\n\\\");\\n\\t\\tgoto out;\\n\\t}\\n\\tif (sctp_ifap->ifn_p == NULL) {\\n\\t\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"IFA has no IFN - can't mark unusable\\\\n\\\");\\n\\t\\tgoto out;\\n\\t}\\n\\tif (if_name) {\\n\\t\\tif (strncmp(if_name, sctp_ifap->ifn_p->ifn_name, SCTP_IFNAMSIZ) != 0) {\\n\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"IFN %s of IFA not the same as %s\\\\n\\\",\\n\\t\\t\\t\\tsctp_ifap->ifn_p->ifn_name, if_name);\\n\\t\\t\\tgoto out;\\n\\t\\t}\\n\\t} else {\\n\\t\\tif (sctp_ifap->ifn_p->ifn_index != ifn_index) {\\n\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"IFA owned by ifn_index:%d down command for ifn_index:%d - ignored\\\\n\\\",\\n\\t\\t\\t\\tsctp_ifap->ifn_p->ifn_index, ifn_index);\\n\\t\\t\\tgoto out;\\n\\t\\t}\\n\\t}\",\n \"\\tsctp_ifap->localifa_flags &= (~SCTP_ADDR_VALID);\\n\\tsctp_ifap->localifa_flags |= SCTP_ADDR_IFA_UNUSEABLE;\\n out:\\n\\tSCTP_IPI_ADDR_RUNLOCK();\\n}\",\n \"\\nvoid\\nsctp_mark_ifa_addr_up(uint32_t vrf_id, struct sockaddr *addr,\\n\\t\\t const char *if_name, uint32_t ifn_index)\\n{\\n\\tstruct sctp_vrf *vrf;\\n\\tstruct sctp_ifa *sctp_ifap;\",\n \"\\tSCTP_IPI_ADDR_RLOCK();\\n\\tvrf = sctp_find_vrf(vrf_id);\\n\\tif (vrf == NULL) {\\n\\t\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"Can't find vrf_id 0x%x\\\\n\\\", vrf_id);\\n\\t\\tgoto out;\",\n \"\\t}\\n\\tsctp_ifap = sctp_find_ifa_by_addr(addr, vrf->vrf_id, SCTP_ADDR_LOCKED);\\n\\tif (sctp_ifap == NULL) {\\n\\t\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"Can't find sctp_ifap for address\\\\n\\\");\\n\\t\\tgoto out;\\n\\t}\\n\\tif (sctp_ifap->ifn_p == NULL) {\\n\\t\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"IFA has no IFN - can't mark unusable\\\\n\\\");\\n\\t\\tgoto out;\\n\\t}\\n\\tif (if_name) {\\n\\t\\tif (strncmp(if_name, sctp_ifap->ifn_p->ifn_name, SCTP_IFNAMSIZ) != 0) {\\n\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"IFN %s of IFA not the same as %s\\\\n\\\",\\n\\t\\t\\t\\tsctp_ifap->ifn_p->ifn_name, if_name);\\n\\t\\t\\tgoto out;\\n\\t\\t}\\n\\t} else {\\n\\t\\tif (sctp_ifap->ifn_p->ifn_index != ifn_index) {\\n\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"IFA owned by ifn_index:%d down command for ifn_index:%d - ignored\\\\n\\\",\\n\\t\\t\\t\\tsctp_ifap->ifn_p->ifn_index, ifn_index);\\n\\t\\t\\tgoto out;\\n\\t\\t}\\n\\t}\",\n \"\\tsctp_ifap->localifa_flags &= (~SCTP_ADDR_IFA_UNUSEABLE);\\n\\tsctp_ifap->localifa_flags |= SCTP_ADDR_VALID;\\n out:\\n\\tSCTP_IPI_ADDR_RUNLOCK();\\n}\",\n \"\\n/*-\\n * Add an ifa to an ifn.\\n * Register the interface as necessary.\\n * NOTE: ADDR write lock MUST be held.\\n */\\nstatic void\\nsctp_add_ifa_to_ifn(struct sctp_ifn *sctp_ifnp, struct sctp_ifa *sctp_ifap)\\n{\\n\\tint ifa_af;\",\n \"\\tLIST_INSERT_HEAD(&sctp_ifnp->ifalist, sctp_ifap, next_ifa);\\n\\tsctp_ifap->ifn_p = sctp_ifnp;\\n\\tatomic_add_int(&sctp_ifap->ifn_p->refcount, 1);\\n\\t/* update address counts */\\n\\tsctp_ifnp->ifa_count++;\\n\\tifa_af = sctp_ifap->address.sa.sa_family;\\n\\tswitch (ifa_af) {\\n#ifdef INET\\n\\tcase AF_INET:\\n\\t\\tsctp_ifnp->num_v4++;\\n\\t\\tbreak;\\n#endif\\n#ifdef INET6\\n\\tcase AF_INET6:\\n\\t\\tsctp_ifnp->num_v6++;\\n\\t\\tbreak;\\n#endif\\n\\tdefault:\\n\\t\\tbreak;\\n\\t}\\n\\tif (sctp_ifnp->ifa_count == 1) {\\n\\t\\t/* register the new interface */\\n\\t\\tSCTP_REGISTER_INTERFACE(sctp_ifnp->ifn_index, ifa_af);\\n\\t\\tsctp_ifnp->registered_af = ifa_af;\\n\\t}\\n}\",\n \"\\n/*-\\n * Remove an ifa from its ifn.\\n * If no more addresses exist, remove the ifn too. Otherwise, re-register\\n * the interface based on the remaining address families left.\\n * NOTE: ADDR write lock MUST be held.\\n */\\nstatic void\\nsctp_remove_ifa_from_ifn(struct sctp_ifa *sctp_ifap)\\n{\\n\\tLIST_REMOVE(sctp_ifap, next_ifa);\\n\\tif (sctp_ifap->ifn_p) {\\n\\t\\t/* update address counts */\\n\\t\\tsctp_ifap->ifn_p->ifa_count--;\\n\\t\\tswitch (sctp_ifap->address.sa.sa_family) {\\n#ifdef INET\\n\\t\\tcase AF_INET:\\n\\t\\t\\tsctp_ifap->ifn_p->num_v4--;\\n\\t\\t\\tbreak;\\n#endif\\n#ifdef INET6\\n\\t\\tcase AF_INET6:\\n\\t\\t\\tsctp_ifap->ifn_p->num_v6--;\\n\\t\\t\\tbreak;\\n#endif\\n\\t\\tdefault:\\n\\t\\t\\tbreak;\\n\\t\\t}\",\n \"\\t\\tif (LIST_EMPTY(&sctp_ifap->ifn_p->ifalist)) {\\n\\t\\t\\t/* remove the ifn, possibly freeing it */\\n\\t\\t\\tsctp_delete_ifn(sctp_ifap->ifn_p, SCTP_ADDR_LOCKED);\\n\\t\\t} else {\\n\\t\\t\\t/* re-register address family type, if needed */\\n\\t\\t\\tif ((sctp_ifap->ifn_p->num_v6 == 0) &&\\n\\t\\t\\t (sctp_ifap->ifn_p->registered_af == AF_INET6)) {\\n\\t\\t\\t\\tSCTP_DEREGISTER_INTERFACE(sctp_ifap->ifn_p->ifn_index, AF_INET6);\\n\\t\\t\\t\\tSCTP_REGISTER_INTERFACE(sctp_ifap->ifn_p->ifn_index, AF_INET);\\n\\t\\t\\t\\tsctp_ifap->ifn_p->registered_af = AF_INET;\\n\\t\\t\\t} else if ((sctp_ifap->ifn_p->num_v4 == 0) &&\\n\\t\\t\\t\\t (sctp_ifap->ifn_p->registered_af == AF_INET)) {\\n\\t\\t\\t\\tSCTP_DEREGISTER_INTERFACE(sctp_ifap->ifn_p->ifn_index, AF_INET);\\n\\t\\t\\t\\tSCTP_REGISTER_INTERFACE(sctp_ifap->ifn_p->ifn_index, AF_INET6);\\n\\t\\t\\t\\tsctp_ifap->ifn_p->registered_af = AF_INET6;\\n\\t\\t\\t}\\n\\t\\t\\t/* free the ifn refcount */\\n\\t\\t\\tsctp_free_ifn(sctp_ifap->ifn_p);\\n\\t\\t}\\n\\t\\tsctp_ifap->ifn_p = NULL;\\n\\t}\\n}\",\n \"\\nstruct sctp_ifa *\\nsctp_add_addr_to_vrf(uint32_t vrf_id, void *ifn, uint32_t ifn_index,\\n\\t\\t uint32_t ifn_type, const char *if_name, void *ifa,\\n\\t\\t struct sockaddr *addr, uint32_t ifa_flags,\\n\\t\\t int dynamic_add)\\n{\\n\\tstruct sctp_vrf *vrf;\\n\\tstruct sctp_ifn *sctp_ifnp = NULL;\\n\\tstruct sctp_ifa *sctp_ifap = NULL;\\n\\tstruct sctp_ifalist *hash_addr_head;\\n\\tstruct sctp_ifnlist *hash_ifn_head;\\n\\tuint32_t hash_of_addr;\\n\\tint new_ifn_af = 0;\",\n \"#ifdef SCTP_DEBUG\\n\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"vrf_id 0x%x: adding address: \\\", vrf_id);\\n\\tSCTPDBG_ADDR(SCTP_DEBUG_PCB4, addr);\\n#endif\\n\\tSCTP_IPI_ADDR_WLOCK();\\n\\tsctp_ifnp = sctp_find_ifn(ifn, ifn_index);\\n\\tif (sctp_ifnp) {\\n\\t\\tvrf = sctp_ifnp->vrf;\\n\\t} else {\\n\\t\\tvrf = sctp_find_vrf(vrf_id);\\n\\t\\tif (vrf == NULL) {\\n\\t\\t\\tvrf = sctp_allocate_vrf(vrf_id);\\n\\t\\t\\tif (vrf == NULL) {\\n\\t\\t\\t\\tSCTP_IPI_ADDR_WUNLOCK();\\n\\t\\t\\t\\treturn (NULL);\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n\\tif (sctp_ifnp == NULL) {\\n\\t\\t/* build one and add it, can't hold lock\\n\\t\\t * until after malloc done though.\\n\\t\\t */\\n\\t\\tSCTP_IPI_ADDR_WUNLOCK();\\n\\t\\tSCTP_MALLOC(sctp_ifnp, struct sctp_ifn *,\\n\\t\\t\\t sizeof(struct sctp_ifn), SCTP_M_IFN);\\n\\t\\tif (sctp_ifnp == NULL) {\\n#ifdef INVARIANTS\\n\\t\\t\\tpanic(\\\"No memory for IFN\\\");\\n#endif\\n\\t\\t\\treturn (NULL);\\n\\t\\t}\\n\\t\\tmemset(sctp_ifnp, 0, sizeof(struct sctp_ifn));\\n\\t\\tsctp_ifnp->ifn_index = ifn_index;\\n\\t\\tsctp_ifnp->ifn_p = ifn;\\n\\t\\tsctp_ifnp->ifn_type = ifn_type;\\n\\t\\tsctp_ifnp->refcount = 0;\\n\\t\\tsctp_ifnp->vrf = vrf;\\n\\t\\tatomic_add_int(&vrf->refcount, 1);\\n\\t\\tsctp_ifnp->ifn_mtu = SCTP_GATHER_MTU_FROM_IFN_INFO(ifn, ifn_index, addr->sa_family);\\n\\t\\tif (if_name != NULL) {\\n\\t\\t\\tsnprintf(sctp_ifnp->ifn_name, SCTP_IFNAMSIZ, \\\"%s\\\", if_name);\\n\\t\\t} else {\\n\\t\\t\\tsnprintf(sctp_ifnp->ifn_name, SCTP_IFNAMSIZ, \\\"%s\\\", \\\"unknown\\\");\\n\\t\\t}\\n\\t\\thash_ifn_head = &SCTP_BASE_INFO(vrf_ifn_hash)[(ifn_index & SCTP_BASE_INFO(vrf_ifn_hashmark))];\\n\\t\\tLIST_INIT(&sctp_ifnp->ifalist);\\n\\t\\tSCTP_IPI_ADDR_WLOCK();\\n\\t\\tLIST_INSERT_HEAD(hash_ifn_head, sctp_ifnp, next_bucket);\\n\\t\\tLIST_INSERT_HEAD(&vrf->ifnlist, sctp_ifnp, next_ifn);\\n\\t\\tatomic_add_int(&SCTP_BASE_INFO(ipi_count_ifns), 1);\\n\\t\\tnew_ifn_af = 1;\\n\\t}\\n\\tsctp_ifap = sctp_find_ifa_by_addr(addr, vrf->vrf_id, SCTP_ADDR_LOCKED);\\n\\tif (sctp_ifap) {\\n\\t\\t/* Hmm, it already exists? */\\n\\t\\tif ((sctp_ifap->ifn_p) &&\\n\\t\\t (sctp_ifap->ifn_p->ifn_index == ifn_index)) {\\n\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"Using existing ifn %s (0x%x) for ifa %p\\\\n\\\",\\n\\t\\t\\t\\tsctp_ifap->ifn_p->ifn_name, ifn_index,\\n\\t\\t\\t\\t(void *)sctp_ifap);\\n\\t\\t\\tif (new_ifn_af) {\\n\\t\\t\\t\\t/* Remove the created one that we don't want */\\n\\t\\t\\t\\tsctp_delete_ifn(sctp_ifnp, SCTP_ADDR_LOCKED);\\n\\t\\t\\t}\\n\\t\\t\\tif (sctp_ifap->localifa_flags & SCTP_BEING_DELETED) {\\n\\t\\t\\t\\t/* easy to solve, just switch back to active */\\n\\t\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"Clearing deleted ifa flag\\\\n\\\");\\n\\t\\t\\t\\tsctp_ifap->localifa_flags = SCTP_ADDR_VALID;\\n\\t\\t\\t\\tsctp_ifap->ifn_p = sctp_ifnp;\\n\\t\\t\\t\\tatomic_add_int(&sctp_ifap->ifn_p->refcount, 1);\\n\\t\\t\\t}\\n\\t\\texit_stage_left:\\n\\t\\t\\tSCTP_IPI_ADDR_WUNLOCK();\\n\\t\\t\\treturn (sctp_ifap);\\n\\t\\t} else {\\n\\t\\t\\tif (sctp_ifap->ifn_p) {\\n\\t\\t\\t\\t/*\\n\\t\\t\\t\\t * The last IFN gets the address, remove the\\n\\t\\t\\t\\t * old one\\n\\t\\t\\t\\t */\\n\\t\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"Moving ifa %p from %s (0x%x) to %s (0x%x)\\\\n\\\",\\n\\t\\t\\t\\t\\t(void *)sctp_ifap, sctp_ifap->ifn_p->ifn_name,\\n\\t\\t\\t\\t\\tsctp_ifap->ifn_p->ifn_index, if_name,\\n\\t\\t\\t\\t\\tifn_index);\\n\\t\\t\\t\\t/* remove the address from the old ifn */\\n\\t\\t\\t\\tsctp_remove_ifa_from_ifn(sctp_ifap);\\n\\t\\t\\t\\t/* move the address over to the new ifn */\\n\\t\\t\\t\\tsctp_add_ifa_to_ifn(sctp_ifnp, sctp_ifap);\\n\\t\\t\\t\\tgoto exit_stage_left;\\n\\t\\t\\t} else {\\n\\t\\t\\t\\t/* repair ifnp which was NULL ? */\\n\\t\\t\\t\\tsctp_ifap->localifa_flags = SCTP_ADDR_VALID;\\n\\t\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"Repairing ifn %p for ifa %p\\\\n\\\",\\n\\t\\t\\t\\t\\t(void *)sctp_ifnp, (void *)sctp_ifap);\\n\\t\\t\\t\\tsctp_add_ifa_to_ifn(sctp_ifnp, sctp_ifap);\\n\\t\\t\\t}\\n\\t\\t\\tgoto exit_stage_left;\\n\\t\\t}\\n\\t}\\n\\tSCTP_IPI_ADDR_WUNLOCK();\\n\\tSCTP_MALLOC(sctp_ifap, struct sctp_ifa *, sizeof(struct sctp_ifa), SCTP_M_IFA);\\n\\tif (sctp_ifap == NULL) {\\n#ifdef INVARIANTS\\n\\t\\tpanic(\\\"No memory for IFA\\\");\\n#endif\\n\\t\\treturn (NULL);\\n\\t}\\n\\tmemset(sctp_ifap, 0, sizeof(struct sctp_ifa));\\n\\tsctp_ifap->ifn_p = sctp_ifnp;\\n\\tatomic_add_int(&sctp_ifnp->refcount, 1);\\n\\tsctp_ifap->vrf_id = vrf_id;\\n\\tsctp_ifap->ifa = ifa;\\n#ifdef HAVE_SA_LEN\\n\\tmemcpy(&sctp_ifap->address, addr, addr->sa_len);\\n#else\\n\\tswitch (addr->sa_family) {\\n#ifdef INET\\n\\tcase AF_INET:\\n\\t\\tmemcpy(&sctp_ifap->address, addr, sizeof(struct sockaddr_in));\\n\\t\\tbreak;\\n#endif\\n#ifdef INET6\\n\\tcase AF_INET6:\\n\\t\\tmemcpy(&sctp_ifap->address, addr, sizeof(struct sockaddr_in6));\\n\\t\\tbreak;\\n#endif\\n#if defined(__Userspace__)\\n\\tcase AF_CONN:\\n\\t\\tmemcpy(&sctp_ifap->address, addr, sizeof(struct sockaddr_conn));\\n\\t\\tbreak;\\n#endif\\n\\tdefault:\\n\\t\\t/* TSNH */\\n\\t\\tbreak;\\n\\t}\\n#endif\\n\\tsctp_ifap->localifa_flags = SCTP_ADDR_VALID | SCTP_ADDR_DEFER_USE;\\n\\tsctp_ifap->flags = ifa_flags;\\n\\t/* Set scope */\\n\\tswitch (sctp_ifap->address.sa.sa_family) {\\n#ifdef INET\\n\\tcase AF_INET:\\n\\t{\\n\\t\\tstruct sockaddr_in *sin;\",\n \"\\t\\tsin = &sctp_ifap->address.sin;\\n\\t\\tif (SCTP_IFN_IS_IFT_LOOP(sctp_ifap->ifn_p) ||\\n\\t\\t (IN4_ISLOOPBACK_ADDRESS(&sin->sin_addr))) {\\n\\t\\t\\tsctp_ifap->src_is_loop = 1;\\n\\t\\t}\\n\\t\\tif ((IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) {\\n\\t\\t\\tsctp_ifap->src_is_priv = 1;\\n\\t\\t}\\n\\t\\tsctp_ifnp->num_v4++;\\n\\t\\tif (new_ifn_af)\\n\\t\\t new_ifn_af = AF_INET;\\n\\t\\tbreak;\\n\\t}\\n#endif\\n#ifdef INET6\\n\\tcase AF_INET6:\\n\\t{\\n\\t\\t/* ok to use deprecated addresses? */\\n\\t\\tstruct sockaddr_in6 *sin6;\",\n \"\\t\\tsin6 = &sctp_ifap->address.sin6;\\n\\t\\tif (SCTP_IFN_IS_IFT_LOOP(sctp_ifap->ifn_p) ||\\n\\t\\t (IN6_IS_ADDR_LOOPBACK(&sin6->sin6_addr))) {\\n\\t\\t\\tsctp_ifap->src_is_loop = 1;\\n\\t\\t}\\n\\t\\tif (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {\\n\\t\\t\\tsctp_ifap->src_is_priv = 1;\\n\\t\\t}\\n\\t\\tsctp_ifnp->num_v6++;\\n\\t\\tif (new_ifn_af)\\n\\t\\t\\tnew_ifn_af = AF_INET6;\\n\\t\\tbreak;\\n\\t}\\n#endif\\n#if defined(__Userspace__)\\n\\tcase AF_CONN:\\n\\t\\tif (new_ifn_af)\\n\\t\\t\\tnew_ifn_af = AF_CONN;\\n\\t\\tbreak;\\n#endif\\n\\tdefault:\\n\\t\\tnew_ifn_af = 0;\\n\\t\\tbreak;\\n\\t}\\n\\thash_of_addr = sctp_get_ifa_hash_val(&sctp_ifap->address.sa);\",\n \"\\tif ((sctp_ifap->src_is_priv == 0) &&\\n\\t (sctp_ifap->src_is_loop == 0)) {\\n\\t\\tsctp_ifap->src_is_glob = 1;\\n\\t}\\n\\tSCTP_IPI_ADDR_WLOCK();\\n\\thash_addr_head = &vrf->vrf_addr_hash[(hash_of_addr & vrf->vrf_addr_hashmark)];\\n\\tLIST_INSERT_HEAD(hash_addr_head, sctp_ifap, next_bucket);\\n\\tsctp_ifap->refcount = 1;\\n\\tLIST_INSERT_HEAD(&sctp_ifnp->ifalist, sctp_ifap, next_ifa);\\n\\tsctp_ifnp->ifa_count++;\\n\\tvrf->total_ifa_count++;\\n\\tatomic_add_int(&SCTP_BASE_INFO(ipi_count_ifas), 1);\\n\\tif (new_ifn_af) {\\n\\t\\tSCTP_REGISTER_INTERFACE(ifn_index, new_ifn_af);\\n\\t\\tsctp_ifnp->registered_af = new_ifn_af;\\n\\t}\\n\\tSCTP_IPI_ADDR_WUNLOCK();\\n\\tif (dynamic_add) {\\n\\t\\t/* Bump up the refcount so that when the timer\\n\\t\\t * completes it will drop back down.\\n\\t\\t */\\n\\t\\tstruct sctp_laddr *wi;\",\n \"\\t\\tatomic_add_int(&sctp_ifap->refcount, 1);\\n\\t\\twi = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_laddr), struct sctp_laddr);\\n\\t\\tif (wi == NULL) {\\n\\t\\t\\t/*\\n\\t\\t\\t * Gak, what can we do? We have lost an address\\n\\t\\t\\t * change can you say HOSED?\\n\\t\\t\\t */\\n\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"Lost an address change?\\\\n\\\");\\n\\t\\t\\t/* Opps, must decrement the count */\\n\\t\\t\\tsctp_del_addr_from_vrf(vrf_id, addr, ifn_index,\\n\\t\\t\\t\\t\\t if_name);\\n\\t\\t\\treturn (NULL);\\n\\t\\t}\\n\\t\\tSCTP_INCR_LADDR_COUNT();\\n\\t\\tmemset(wi, 0, sizeof(*wi));\\n\\t\\t(void)SCTP_GETTIME_TIMEVAL(&wi->start_time);\\n\\t\\twi->ifa = sctp_ifap;\\n\\t\\twi->action = SCTP_ADD_IP_ADDRESS;\",\n \"\\t\\tSCTP_WQ_ADDR_LOCK();\\n\\t\\tLIST_INSERT_HEAD(&SCTP_BASE_INFO(addr_wq), wi, sctp_nxt_addr);\\n\\t\\tsctp_timer_start(SCTP_TIMER_TYPE_ADDR_WQ,\\n\\t\\t\\t\\t (struct sctp_inpcb *)NULL,\\n\\t\\t\\t\\t (struct sctp_tcb *)NULL,\\n\\t\\t\\t\\t (struct sctp_nets *)NULL);\\n\\t\\tSCTP_WQ_ADDR_UNLOCK();\\n\\t} else {\\n\\t\\t/* it's ready for use */\\n\\t\\tsctp_ifap->localifa_flags &= ~SCTP_ADDR_DEFER_USE;\\n\\t}\\n\\treturn (sctp_ifap);\\n}\",\n \"void\\nsctp_del_addr_from_vrf(uint32_t vrf_id, struct sockaddr *addr,\\n\\t\\t uint32_t ifn_index, const char *if_name)\\n{\\n\\tstruct sctp_vrf *vrf;\\n\\tstruct sctp_ifa *sctp_ifap = NULL;\",\n \"\\tSCTP_IPI_ADDR_WLOCK();\\n\\tvrf = sctp_find_vrf(vrf_id);\\n\\tif (vrf == NULL) {\\n\\t\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"Can't find vrf_id 0x%x\\\\n\\\", vrf_id);\\n\\t\\tgoto out_now;\\n\\t}\",\n \"#ifdef SCTP_DEBUG\\n\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"vrf_id 0x%x: deleting address:\\\", vrf_id);\\n\\tSCTPDBG_ADDR(SCTP_DEBUG_PCB4, addr);\\n#endif\\n\\tsctp_ifap = sctp_find_ifa_by_addr(addr, vrf->vrf_id, SCTP_ADDR_LOCKED);\\n\\tif (sctp_ifap) {\\n\\t\\t/* Validate the delete */\\n\\t\\tif (sctp_ifap->ifn_p) {\\n\\t\\t\\tint valid = 0;\\n\\t\\t\\t/*-\\n\\t\\t\\t * The name has priority over the ifn_index\\n\\t\\t\\t * if its given. We do this especially for\\n\\t\\t\\t * panda who might recycle indexes fast.\\n\\t\\t\\t */\\n\\t\\t\\tif (if_name) {\\n\\t\\t\\t\\tif (strncmp(if_name, sctp_ifap->ifn_p->ifn_name, SCTP_IFNAMSIZ) == 0) {\\n\\t\\t\\t\\t\\t/* They match its a correct delete */\\n\\t\\t\\t\\t\\tvalid = 1;\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t\\tif (!valid) {\\n\\t\\t\\t\\t/* last ditch check ifn_index */\\n\\t\\t\\t\\tif (ifn_index == sctp_ifap->ifn_p->ifn_index) {\\n\\t\\t\\t\\t\\tvalid = 1;\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t\\tif (!valid) {\\n\\t\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"ifn:%d ifname:%s does not match addresses\\\\n\\\",\\n\\t\\t\\t\\t\\tifn_index, ((if_name == NULL) ? \\\"NULL\\\" : if_name));\\n\\t\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"ifn:%d ifname:%s - ignoring delete\\\\n\\\",\\n\\t\\t\\t\\t\\tsctp_ifap->ifn_p->ifn_index, sctp_ifap->ifn_p->ifn_name);\\n\\t\\t\\t\\tSCTP_IPI_ADDR_WUNLOCK();\\n\\t\\t\\t\\treturn;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"Deleting ifa %p\\\\n\\\", (void *)sctp_ifap);\\n\\t\\tsctp_ifap->localifa_flags &= SCTP_ADDR_VALID;\\n /*\\n\\t\\t * We don't set the flag. This means that the structure will\\n\\t\\t * hang around in EP's that have bound specific to it until\\n\\t\\t * they close. This gives us TCP like behavior if someone\\n\\t\\t * removes an address (or for that matter adds it right back).\\n\\t\\t */\\n\\t\\t/* sctp_ifap->localifa_flags |= SCTP_BEING_DELETED; */\\n\\t\\tvrf->total_ifa_count--;\\n\\t\\tLIST_REMOVE(sctp_ifap, next_bucket);\\n\\t\\tsctp_remove_ifa_from_ifn(sctp_ifap);\\n\\t}\\n#ifdef SCTP_DEBUG\\n\\telse {\\n\\t\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"Del Addr-ifn:%d Could not find address:\\\",\\n\\t\\t\\tifn_index);\\n\\t\\tSCTPDBG_ADDR(SCTP_DEBUG_PCB1, addr);\\n\\t}\\n#endif\",\n \" out_now:\\n\\tSCTP_IPI_ADDR_WUNLOCK();\\n\\tif (sctp_ifap) {\\n\\t\\tstruct sctp_laddr *wi;\",\n \"\\t\\twi = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_laddr), struct sctp_laddr);\\n\\t\\tif (wi == NULL) {\\n\\t\\t\\t/*\\n\\t\\t\\t * Gak, what can we do? We have lost an address\\n\\t\\t\\t * change can you say HOSED?\\n\\t\\t\\t */\\n\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB4, \\\"Lost an address change?\\\\n\\\");\",\n \"\\t\\t\\t/* Oops, must decrement the count */\\n\\t\\t\\tsctp_free_ifa(sctp_ifap);\\n\\t\\t\\treturn;\\n\\t\\t}\\n\\t\\tSCTP_INCR_LADDR_COUNT();\\n\\t\\tmemset(wi, 0, sizeof(*wi));\\n\\t\\t(void)SCTP_GETTIME_TIMEVAL(&wi->start_time);\\n\\t\\twi->ifa = sctp_ifap;\\n\\t\\twi->action = SCTP_DEL_IP_ADDRESS;\\n\\t\\tSCTP_WQ_ADDR_LOCK();\\n\\t\\t/*\\n\\t\\t * Should this really be a tailq? As it is we will process the\\n\\t\\t * newest first :-0\\n\\t\\t */\\n\\t\\tLIST_INSERT_HEAD(&SCTP_BASE_INFO(addr_wq), wi, sctp_nxt_addr);\\n\\t\\tsctp_timer_start(SCTP_TIMER_TYPE_ADDR_WQ,\\n\\t\\t\\t\\t (struct sctp_inpcb *)NULL,\\n\\t\\t\\t\\t (struct sctp_tcb *)NULL,\\n\\t\\t\\t\\t (struct sctp_nets *)NULL);\\n\\t\\tSCTP_WQ_ADDR_UNLOCK();\\n\\t}\\n\\treturn;\\n}\",\n \"\\nstatic int\\nsctp_does_stcb_own_this_addr(struct sctp_tcb *stcb, struct sockaddr *to)\\n{\\n\\tint loopback_scope;\\n#if defined(INET)\\n\\tint ipv4_local_scope, ipv4_addr_legal;\\n#endif\\n#if defined(INET6)\\n\\tint local_scope, site_scope, ipv6_addr_legal;\\n#endif\\n#if defined(__Userspace__)\\n\\tint conn_addr_legal;\\n#endif\\n\\tstruct sctp_vrf *vrf;\\n\\tstruct sctp_ifn *sctp_ifn;\\n\\tstruct sctp_ifa *sctp_ifa;\",\n \"\\tloopback_scope = stcb->asoc.scope.loopback_scope;\\n#if defined(INET)\\n\\tipv4_local_scope = stcb->asoc.scope.ipv4_local_scope;\\n\\tipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal;\\n#endif\\n#if defined(INET6)\\n\\tlocal_scope = stcb->asoc.scope.local_scope;\\n\\tsite_scope = stcb->asoc.scope.site_scope;\\n\\tipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal;\\n#endif\\n#if defined(__Userspace__)\\n\\tconn_addr_legal = stcb->asoc.scope.conn_addr_legal;\\n#endif\",\n \"\\tSCTP_IPI_ADDR_RLOCK();\\n\\tvrf = sctp_find_vrf(stcb->asoc.vrf_id);\\n\\tif (vrf == NULL) {\\n\\t\\t/* no vrf, no addresses */\\n\\t\\tSCTP_IPI_ADDR_RUNLOCK();\\n\\t\\treturn (0);\\n\\t}\",\n \"\\tif (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {\\n\\t\\tLIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) {\\n\\t\\t\\tif ((loopback_scope == 0) &&\\n\\t\\t\\t SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) {\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\tLIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) {\\n\\t\\t\\t\\tif (sctp_is_addr_restricted(stcb, sctp_ifa) &&\\n\\t\\t\\t\\t (!sctp_is_addr_pending(stcb, sctp_ifa))) {\\n\\t\\t\\t\\t\\t/* We allow pending addresses, where we\\n\\t\\t\\t\\t\\t * have sent an asconf-add to be considered\\n\\t\\t\\t\\t\\t * valid.\\n\\t\\t\\t\\t\\t */\\n\\t\\t\\t\\t\\tcontinue;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tif (sctp_ifa->address.sa.sa_family != to->sa_family) {\\n\\t\\t\\t\\t\\tcontinue;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tswitch (sctp_ifa->address.sa.sa_family) {\\n#ifdef INET\\n\\t\\t\\t\\tcase AF_INET:\\n\\t\\t\\t\\t\\tif (ipv4_addr_legal) {\\n\\t\\t\\t\\t\\t\\tstruct sockaddr_in *sin, *rsin;\",\n \"\\t\\t\\t\\t\\t\\tsin = &sctp_ifa->address.sin;\\n\\t\\t\\t\\t\\t\\trsin = (struct sockaddr_in *)to;\\n\\t\\t\\t\\t\\t\\tif ((ipv4_local_scope == 0) &&\\n\\t\\t\\t\\t\\t\\t IN4_ISPRIVATE_ADDRESS(&sin->sin_addr)) {\\n\\t\\t\\t\\t\\t\\t\\tcontinue;\\n\\t\\t\\t\\t\\t\\t}\\n#if defined(__FreeBSD__)\\n\\t\\t\\t\\t\\t\\tif (prison_check_ip4(stcb->sctp_ep->ip_inp.inp.inp_cred,\\n\\t\\t\\t\\t\\t\\t &sin->sin_addr) != 0) {\\n\\t\\t\\t\\t\\t\\t\\tcontinue;\\n\\t\\t\\t\\t\\t\\t}\\n#endif\\n\\t\\t\\t\\t\\t\\tif (sin->sin_addr.s_addr == rsin->sin_addr.s_addr) {\\n\\t\\t\\t\\t\\t\\t\\tSCTP_IPI_ADDR_RUNLOCK();\\n\\t\\t\\t\\t\\t\\t\\treturn (1);\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tbreak;\\n#endif\\n#ifdef INET6\\n\\t\\t\\t\\tcase AF_INET6:\\n\\t\\t\\t\\t\\tif (ipv6_addr_legal) {\\n\\t\\t\\t\\t\\t\\tstruct sockaddr_in6 *sin6, *rsin6;\\n#if defined(SCTP_EMBEDDED_V6_SCOPE) && !defined(SCTP_KAME)\\n\\t\\t\\t\\t\\t\\tstruct sockaddr_in6 lsa6;\\n#endif\\n\\t\\t\\t\\t\\t\\tsin6 = &sctp_ifa->address.sin6;\\n\\t\\t\\t\\t\\t\\trsin6 = (struct sockaddr_in6 *)to;\\n#if defined(__FreeBSD__)\\n\\t\\t\\t\\t\\t\\tif (prison_check_ip6(stcb->sctp_ep->ip_inp.inp.inp_cred,\\n\\t\\t\\t\\t\\t\\t &sin6->sin6_addr) != 0) {\\n\\t\\t\\t\\t\\t\\t\\tcontinue;\\n\\t\\t\\t\\t\\t\\t}\\n#endif\\n\\t\\t\\t\\t\\t\\tif (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {\\n\\t\\t\\t\\t\\t\\t\\tif (local_scope == 0)\\n\\t\\t\\t\\t\\t\\t\\t\\tcontinue;\\n#if defined(SCTP_EMBEDDED_V6_SCOPE)\\n\\t\\t\\t\\t\\t\\t\\tif (sin6->sin6_scope_id == 0) {\\n#ifdef SCTP_KAME\\n\\t\\t\\t\\t\\t\\t\\t\\tif (sa6_recoverscope(sin6) != 0)\\n\\t\\t\\t\\t\\t\\t\\t\\t\\tcontinue;\\n#else\\n\\t\\t\\t\\t\\t\\t\\t\\tlsa6 = *sin6;\\n\\t\\t\\t\\t\\t\\t\\t\\tif (in6_recoverscope(&lsa6,\\n\\t\\t\\t\\t\\t\\t\\t\\t &lsa6.sin6_addr,\\n\\t\\t\\t\\t\\t\\t\\t\\t NULL))\\n\\t\\t\\t\\t\\t\\t\\t\\t\\tcontinue;\\n\\t\\t\\t\\t\\t\\t\\t\\tsin6 = &lsa6;\\n#endif /* SCTP_KAME */\\n\\t\\t\\t\\t\\t\\t\\t}\\n#endif /* SCTP_EMBEDDED_V6_SCOPE */\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t\\tif ((site_scope == 0) &&\\n\\t\\t\\t\\t\\t\\t (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) {\\n\\t\\t\\t\\t\\t\\t\\tcontinue;\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t\\tif (SCTP6_ARE_ADDR_EQUAL(sin6, rsin6)) {\\n\\t\\t\\t\\t\\t\\t\\tSCTP_IPI_ADDR_RUNLOCK();\\n\\t\\t\\t\\t\\t\\t\\treturn (1);\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tbreak;\\n#endif\\n#if defined(__Userspace__)\\n\\t\\t\\t\\tcase AF_CONN:\\n\\t\\t\\t\\t\\tif (conn_addr_legal) {\\n\\t\\t\\t\\t\\t\\tstruct sockaddr_conn *sconn, *rsconn;\",\n \"\\t\\t\\t\\t\\t\\tsconn = &sctp_ifa->address.sconn;\\n\\t\\t\\t\\t\\t\\trsconn = (struct sockaddr_conn *)to;\\n\\t\\t\\t\\t\\t\\tif (sconn->sconn_addr == rsconn->sconn_addr) {\\n\\t\\t\\t\\t\\t\\t\\tSCTP_IPI_ADDR_RUNLOCK();\\n\\t\\t\\t\\t\\t\\t\\treturn (1);\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tbreak;\\n#endif\\n\\t\\t\\t\\tdefault:\\n\\t\\t\\t\\t\\t/* TSNH */\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t}\\n\\t} else {\\n\\t\\tstruct sctp_laddr *laddr;\",\n \"\\t\\tLIST_FOREACH(laddr, &stcb->sctp_ep->sctp_addr_list, sctp_nxt_addr) {\\n\\t\\t\\tif (laddr->ifa->localifa_flags & SCTP_BEING_DELETED) {\\n\\t\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB1, \\\"ifa being deleted\\\\n\\\");\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\tif (sctp_is_addr_restricted(stcb, laddr->ifa) &&\\n\\t\\t\\t (!sctp_is_addr_pending(stcb, laddr->ifa))) {\\n\\t\\t\\t\\t/* We allow pending addresses, where we\\n\\t\\t\\t\\t * have sent an asconf-add to be considered\\n\\t\\t\\t\\t * valid.\\n\\t\\t\\t\\t */\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\tif (laddr->ifa->address.sa.sa_family != to->sa_family) {\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\tswitch (to->sa_family) {\\n#ifdef INET\\n\\t\\t\\tcase AF_INET:\\n\\t\\t\\t{\\n\\t\\t\\t\\tstruct sockaddr_in *sin, *rsin;\",\n \"\\t\\t\\t\\tsin = &laddr->ifa->address.sin;\\n\\t\\t\\t\\trsin = (struct sockaddr_in *)to;\\n\\t\\t\\t\\tif (sin->sin_addr.s_addr == rsin->sin_addr.s_addr) {\\n\\t\\t\\t\\t\\tSCTP_IPI_ADDR_RUNLOCK();\\n\\t\\t\\t\\t\\treturn (1);\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n#endif\\n#ifdef INET6\\n\\t\\t\\tcase AF_INET6:\\n\\t\\t\\t{\\n\\t\\t\\t\\tstruct sockaddr_in6 *sin6, *rsin6;\",\n \"\\t\\t\\t\\tsin6 = &laddr->ifa->address.sin6;\\n\\t\\t\\t\\trsin6 = (struct sockaddr_in6 *)to;\\n\\t\\t\\t\\tif (SCTP6_ARE_ADDR_EQUAL(sin6, rsin6)) {\\n\\t\\t\\t\\t\\tSCTP_IPI_ADDR_RUNLOCK();\\n\\t\\t\\t\\t\\treturn (1);\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\",\n \"#endif\\n#if defined(__Userspace__)\\n\\t\\t\\tcase AF_CONN:\\n\\t\\t\\t{\\n\\t\\t\\t\\tstruct sockaddr_conn *sconn, *rsconn;\",\n \"\\t\\t\\t\\tsconn = &laddr->ifa->address.sconn;\\n\\t\\t\\t\\trsconn = (struct sockaddr_conn *)to;\\n\\t\\t\\t\\tif (sconn->sconn_addr == rsconn->sconn_addr) {\\n\\t\\t\\t\\t\\tSCTP_IPI_ADDR_RUNLOCK();\\n\\t\\t\\t\\t\\treturn (1);\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n#endif\\n\\t\\t\\tdefault:\\n\\t\\t\\t\\t/* TSNH */\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\",\n \"\\t\\t}\\n\\t}\\n\\tSCTP_IPI_ADDR_RUNLOCK();\\n\\treturn (0);\\n}\",\n \"\\nstatic struct sctp_tcb *\\nsctp_tcb_special_locate(struct sctp_inpcb **inp_p, struct sockaddr *from,\\n struct sockaddr *to, struct sctp_nets **netp, uint32_t vrf_id)\\n{\\n\\t/**** ASSUMES THE CALLER holds the INP_INFO_RLOCK */\\n\\t/*\\n\\t * If we support the TCP model, then we must now dig through to see\\n\\t * if we can find our endpoint in the list of tcp ep's.\\n\\t */\\n\\tuint16_t lport, rport;\\n\\tstruct sctppcbhead *ephead;\\n\\tstruct sctp_inpcb *inp;\\n\\tstruct sctp_laddr *laddr;\\n\\tstruct sctp_tcb *stcb;\\n\\tstruct sctp_nets *net;\\n#ifdef SCTP_MVRF\\n\\tint fnd, i;\\n#endif\",\n \"\\tif ((to == NULL) || (from == NULL)) {\\n\\t\\treturn (NULL);\\n\\t}\",\n \"\\tswitch (to->sa_family) {\\n#ifdef INET\\n\\tcase AF_INET:\\n\\t\\tif (from->sa_family == AF_INET) {\\n\\t\\t\\tlport = ((struct sockaddr_in *)to)->sin_port;\\n\\t\\t\\trport = ((struct sockaddr_in *)from)->sin_port;\\n\\t\\t} else {\\n\\t\\t\\treturn (NULL);\\n\\t\\t}\\n\\t\\tbreak;\\n#endif\\n#ifdef INET6\\n\\tcase AF_INET6:\\n\\t\\tif (from->sa_family == AF_INET6) {\\n\\t\\t\\tlport = ((struct sockaddr_in6 *)to)->sin6_port;\\n\\t\\t\\trport = ((struct sockaddr_in6 *)from)->sin6_port;\\n\\t\\t} else {\\n\\t\\t\\treturn (NULL);\\n\\t\\t}\\n\\t\\tbreak;\\n#endif\\n#if defined(__Userspace__)\\n\\tcase AF_CONN:\\n\\t\\tif (from->sa_family == AF_CONN) {\\n\\t\\t\\tlport = ((struct sockaddr_conn *)to)->sconn_port;\\n\\t\\t\\trport = ((struct sockaddr_conn *)from)->sconn_port;\\n\\t\\t} else {\\n\\t\\t\\treturn (NULL);\\n\\t\\t}\\n\\t\\tbreak;\\n#endif\\n\\tdefault:\\n\\t\\treturn (NULL);\\n\\t}\\n\\tephead = &SCTP_BASE_INFO(sctp_tcpephash)[SCTP_PCBHASH_ALLADDR((lport | rport), SCTP_BASE_INFO(hashtcpmark))];\\n\\t/*\\n\\t * Ok now for each of the guys in this bucket we must look and see:\\n\\t * - Does the remote port match. - Does there single association's\\n\\t * addresses match this address (to). If so we update p_ep to point\\n\\t * to this ep and return the tcb from it.\\n\\t */\\n\\tLIST_FOREACH(inp, ephead, sctp_hash) {\\n\\t\\tSCTP_INP_RLOCK(inp);\\n\\t\\tif (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {\\n\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\tif (lport != inp->sctp_lport) {\\n\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n#if defined(__FreeBSD__)\\n\\t\\tswitch (to->sa_family) {\\n#ifdef INET\\n\\t\\tcase AF_INET:\\n\\t\\t{\\n\\t\\t\\tstruct sockaddr_in *sin;\",\n \"\\t\\t\\tsin = (struct sockaddr_in *)to;\\n\\t\\t\\tif (prison_check_ip4(inp->ip_inp.inp.inp_cred,\\n\\t\\t\\t &sin->sin_addr) != 0) {\\n\\t\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\tbreak;\\n\\t\\t}\\n#endif\\n#ifdef INET6\\n\\t\\tcase AF_INET6:\\n\\t\\t{\\n\\t\\t\\tstruct sockaddr_in6 *sin6;\",\n \"\\t\\t\\tsin6 = (struct sockaddr_in6 *)to;\\n\\t\\t\\tif (prison_check_ip6(inp->ip_inp.inp.inp_cred,\\n\\t\\t\\t &sin6->sin6_addr) != 0) {\\n\\t\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\tbreak;\\n\\t\\t}\\n#endif\\n\\t\\tdefault:\\n\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n#endif\\n#ifdef SCTP_MVRF\\n\\t\\tfnd = 0;\\n\\t\\tfor (i = 0; i < inp->num_vrfs; i++) {\\n\\t\\t\\tif (inp->m_vrf_ids[i] == vrf_id) {\\n\\t\\t\\t\\tfnd = 1;\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\tif (fnd == 0) {\\n\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n#else\\n\\t\\tif (inp->def_vrf_id != vrf_id) {\\n\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n#endif\\n\\t\\t/* check to see if the ep has one of the addresses */\\n\\t\\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) {\\n\\t\\t\\t/* We are NOT bound all, so look further */\\n\\t\\t\\tint match = 0;\",\n \"\\t\\t\\tLIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {\",\n \"\\t\\t\\t\\tif (laddr->ifa == NULL) {\\n\\t\\t\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB1, \\\"%s: NULL ifa\\\\n\\\", __func__);\\n\\t\\t\\t\\t\\tcontinue;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tif (laddr->ifa->localifa_flags & SCTP_BEING_DELETED) {\\n\\t\\t\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB1, \\\"ifa being deleted\\\\n\\\");\\n\\t\\t\\t\\t\\tcontinue;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tif (laddr->ifa->address.sa.sa_family ==\\n\\t\\t\\t\\t to->sa_family) {\\n\\t\\t\\t\\t\\t/* see if it matches */\\n#ifdef INET\\n\\t\\t\\t\\t\\tif (from->sa_family == AF_INET) {\\n\\t\\t\\t\\t\\t\\tstruct sockaddr_in *intf_addr, *sin;\",\n \"\\t\\t\\t\\t\\t\\tintf_addr = &laddr->ifa->address.sin;\\n\\t\\t\\t\\t\\t\\tsin = (struct sockaddr_in *)to;\\n\\t\\t\\t\\t\\t\\tif (sin->sin_addr.s_addr ==\\n\\t\\t\\t\\t\\t\\t intf_addr->sin_addr.s_addr) {\\n\\t\\t\\t\\t\\t\\t\\tmatch = 1;\\n\\t\\t\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t}\\n#endif\\n#ifdef INET6\\n\\t\\t\\t\\t\\tif (from->sa_family == AF_INET6) {\\n\\t\\t\\t\\t\\t\\tstruct sockaddr_in6 *intf_addr6;\\n\\t\\t\\t\\t\\t\\tstruct sockaddr_in6 *sin6;\",\n \"\\t\\t\\t\\t\\t\\tsin6 = (struct sockaddr_in6 *)\\n\\t\\t\\t\\t\\t\\t to;\\n\\t\\t\\t\\t\\t\\tintf_addr6 = &laddr->ifa->address.sin6;\",\n \"\\t\\t\\t\\t\\t\\tif (SCTP6_ARE_ADDR_EQUAL(sin6,\\n\\t\\t\\t\\t\\t\\t intf_addr6)) {\\n\\t\\t\\t\\t\\t\\t\\tmatch = 1;\\n\\t\\t\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t}\\n#endif\\n#if defined(__Userspace__)\\n\\t\\t\\t\\t\\tif (from->sa_family == AF_CONN) {\\n\\t\\t\\t\\t\\t\\tstruct sockaddr_conn *intf_addr, *sconn;\",\n \"\\t\\t\\t\\t\\t\\tintf_addr = &laddr->ifa->address.sconn;\\n\\t\\t\\t\\t\\t\\tsconn = (struct sockaddr_conn *)to;\\n\\t\\t\\t\\t\\t\\tif (sconn->sconn_addr ==\\n\\t\\t\\t\\t\\t\\t intf_addr->sconn_addr) {\\n\\t\\t\\t\\t\\t\\t\\tmatch = 1;\\n\\t\\t\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t}\\n#endif\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t\\tif (match == 0) {\\n\\t\\t\\t\\t/* This endpoint does not have this address */\\n\\t\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\t/*\\n\\t\\t * Ok if we hit here the ep has the address, does it hold\\n\\t\\t * the tcb?\\n\\t\\t */\\n\\t\\t/* XXX: Why don't we TAILQ_FOREACH through sctp_asoc_list? */\\n\\t\\tstcb = LIST_FIRST(&inp->sctp_asoc_list);\\n\\t\\tif (stcb == NULL) {\\n\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\tSCTP_TCB_LOCK(stcb);\\n\\t\\tif (!sctp_does_stcb_own_this_addr(stcb, to)) {\\n\\t\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\tif (stcb->rport != rport) {\\n\\t\\t\\t/* remote port does not match. */\\n\\t\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\tif (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {\\n\\t\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\tif (!sctp_does_stcb_own_this_addr(stcb, to)) {\\n\\t\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\t/* Does this TCB have a matching address? */\\n\\t\\tTAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {\",\n \"\\t\\t\\tif (net->ro._l_addr.sa.sa_family != from->sa_family) {\\n\\t\\t\\t\\t/* not the same family, can't be a match */\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\tswitch (from->sa_family) {\\n#ifdef INET\\n\\t\\t\\tcase AF_INET:\\n\\t\\t\\t{\\n\\t\\t\\t\\tstruct sockaddr_in *sin, *rsin;\",\n \"\\t\\t\\t\\tsin = (struct sockaddr_in *)&net->ro._l_addr;\\n\\t\\t\\t\\trsin = (struct sockaddr_in *)from;\\n\\t\\t\\t\\tif (sin->sin_addr.s_addr ==\\n\\t\\t\\t\\t rsin->sin_addr.s_addr) {\\n\\t\\t\\t\\t\\t/* found it */\\n\\t\\t\\t\\t\\tif (netp != NULL) {\\n\\t\\t\\t\\t\\t\\t*netp = net;\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t/* Update the endpoint pointer */\\n\\t\\t\\t\\t\\t*inp_p = inp;\\n\\t\\t\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\t\\t\\treturn (stcb);\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n#endif\\n#ifdef INET6\\n\\t\\t\\tcase AF_INET6:\\n\\t\\t\\t{\\n\\t\\t\\t\\tstruct sockaddr_in6 *sin6, *rsin6;\",\n \"\\t\\t\\t\\tsin6 = (struct sockaddr_in6 *)&net->ro._l_addr;\\n\\t\\t\\t\\trsin6 = (struct sockaddr_in6 *)from;\\n\\t\\t\\t\\tif (SCTP6_ARE_ADDR_EQUAL(sin6,\\n\\t\\t\\t\\t rsin6)) {\\n\\t\\t\\t\\t\\t/* found it */\\n\\t\\t\\t\\t\\tif (netp != NULL) {\\n\\t\\t\\t\\t\\t\\t*netp = net;\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t/* Update the endpoint pointer */\\n\\t\\t\\t\\t\\t*inp_p = inp;\\n\\t\\t\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\t\\t\\treturn (stcb);\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n#endif\\n#if defined(__Userspace__)\\n\\t\\t\\tcase AF_CONN:\\n\\t\\t\\t{\\n\\t\\t\\t\\tstruct sockaddr_conn *sconn, *rsconn;\",\n \"\\t\\t\\t\\tsconn = (struct sockaddr_conn *)&net->ro._l_addr;\\n\\t\\t\\t\\trsconn = (struct sockaddr_conn *)from;\\n\\t\\t\\t\\tif (sconn->sconn_addr == rsconn->sconn_addr) {\\n\\t\\t\\t\\t\\t/* found it */\\n\\t\\t\\t\\t\\tif (netp != NULL) {\\n\\t\\t\\t\\t\\t\\t*netp = net;\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t/* Update the endpoint pointer */\\n\\t\\t\\t\\t\\t*inp_p = inp;\\n\\t\\t\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\t\\t\\treturn (stcb);\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n#endif\\n\\t\\t\\tdefault:\\n\\t\\t\\t\\t/* TSNH */\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t}\\n\\treturn (NULL);\\n}\",\n \"\\n/*\\n * rules for use\\n *\\n * 1) If I return a NULL you must decrement any INP ref cnt. 2) If I find an\\n * stcb, both will be locked (locked_tcb and stcb) but decrement will be done\\n * (if locked == NULL). 3) Decrement happens on return ONLY if locked ==\\n * NULL.\\n */\",\n \"struct sctp_tcb *\\nsctp_findassociation_ep_addr(struct sctp_inpcb **inp_p, struct sockaddr *remote,\\n struct sctp_nets **netp, struct sockaddr *local, struct sctp_tcb *locked_tcb)\\n{\\n\\tstruct sctpasochead *head;\\n\\tstruct sctp_inpcb *inp;\\n\\tstruct sctp_tcb *stcb = NULL;\\n\\tstruct sctp_nets *net;\\n\\tuint16_t rport;\",\n \"\\tinp = *inp_p;\\n\\tswitch (remote->sa_family) {\\n#ifdef INET\\n\\tcase AF_INET:\\n\\t\\trport = (((struct sockaddr_in *)remote)->sin_port);\\n\\t\\tbreak;\\n#endif\\n#ifdef INET6\\n\\tcase AF_INET6:\\n\\t\\trport = (((struct sockaddr_in6 *)remote)->sin6_port);\\n\\t\\tbreak;\\n#endif\\n#if defined(__Userspace__)\\n\\tcase AF_CONN:\\n\\t\\trport = (((struct sockaddr_conn *)remote)->sconn_port);\\n\\t\\tbreak;\\n#endif\\n\\tdefault:\\n\\t\\treturn (NULL);\\n\\t}\\n\\tif (locked_tcb) {\\n\\t\\t/*\\n\\t\\t * UN-lock so we can do proper locking here this occurs when\\n\\t\\t * called from load_addresses_from_init.\\n\\t\\t */\\n\\t\\tatomic_add_int(&locked_tcb->asoc.refcnt, 1);\\n\\t\\tSCTP_TCB_UNLOCK(locked_tcb);\\n\\t}\\n\\tSCTP_INP_INFO_RLOCK();\\n\\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\\n\\t (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {\\n\\t\\t/*-\\n\\t\\t * Now either this guy is our listener or it's the\\n\\t\\t * connector. If it is the one that issued the connect, then\\n\\t\\t * it's only chance is to be the first TCB in the list. If\\n\\t\\t * it is the acceptor, then do the special_lookup to hash\\n\\t\\t * and find the real inp.\\n\\t\\t */\\n\\t\\tif ((inp->sctp_socket) && SCTP_IS_LISTENING(inp)) {\\n\\t\\t\\t/* to is peer addr, from is my addr */\\n#ifndef SCTP_MVRF\\n\\t\\t\\tstcb = sctp_tcb_special_locate(inp_p, remote, local,\\n\\t\\t\\t netp, inp->def_vrf_id);\\n\\t\\t\\tif ((stcb != NULL) && (locked_tcb == NULL)) {\\n\\t\\t\\t\\t/* we have a locked tcb, lower refcount */\\n\\t\\t\\t\\tSCTP_INP_DECR_REF(inp);\\n\\t\\t\\t}\\n\\t\\t\\tif ((locked_tcb != NULL) && (locked_tcb != stcb)) {\\n\\t\\t\\t\\tSCTP_INP_RLOCK(locked_tcb->sctp_ep);\\n\\t\\t\\t\\tSCTP_TCB_LOCK(locked_tcb);\\n\\t\\t\\t\\tatomic_subtract_int(&locked_tcb->asoc.refcnt, 1);\\n\\t\\t\\t\\tSCTP_INP_RUNLOCK(locked_tcb->sctp_ep);\\n\\t\\t\\t}\\n#else\\n\\t\\t\\t/*-\\n\\t\\t\\t * MVRF is tricky, we must look in every VRF\\n\\t\\t\\t * the endpoint has.\\n\\t\\t\\t */\\n\\t\\t\\tint i;\",\n \"\\t\\t\\tfor (i = 0; i < inp->num_vrfs; i++) {\\n\\t\\t\\t\\tstcb = sctp_tcb_special_locate(inp_p, remote, local,\\n\\t\\t\\t\\t netp, inp->m_vrf_ids[i]);\\n\\t\\t\\t\\tif ((stcb != NULL) && (locked_tcb == NULL)) {\\n\\t\\t\\t\\t\\t/* we have a locked tcb, lower refcount */\\n\\t\\t\\t\\t\\tSCTP_INP_DECR_REF(inp);\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tif ((locked_tcb != NULL) && (locked_tcb != stcb)) {\\n\\t\\t\\t\\t\\tSCTP_INP_RLOCK(locked_tcb->sctp_ep);\\n\\t\\t\\t\\t\\tSCTP_TCB_LOCK(locked_tcb);\\n\\t\\t\\t\\t\\tatomic_subtract_int(&locked_tcb->asoc.refcnt, 1);\\n\\t\\t\\t\\t\\tSCTP_INP_RUNLOCK(locked_tcb->sctp_ep);\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n#endif\\n\\t\\t\\tSCTP_INP_INFO_RUNLOCK();\\n\\t\\t\\treturn (stcb);\\n\\t\\t} else {\\n\\t\\t\\tSCTP_INP_WLOCK(inp);\\n\\t\\t\\tif (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {\\n\\t\\t\\t\\tgoto null_return;\\n\\t\\t\\t}\\n\\t\\t\\tstcb = LIST_FIRST(&inp->sctp_asoc_list);\\n\\t\\t\\tif (stcb == NULL) {\\n\\t\\t\\t\\tgoto null_return;\\n\\t\\t\\t}\\n\\t\\t\\tSCTP_TCB_LOCK(stcb);\",\n \"\\t\\t\\tif (stcb->rport != rport) {\\n\\t\\t\\t\\t/* remote port does not match. */\\n\\t\\t\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t\\t\\t\\tgoto null_return;\\n\\t\\t\\t}\\n\\t\\t\\tif (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {\\n\\t\\t\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t\\t\\t\\tgoto null_return;\\n\\t\\t\\t}\\n\\t\\t\\tif (local && !sctp_does_stcb_own_this_addr(stcb, local)) {\\n\\t\\t\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t\\t\\t\\tgoto null_return;\\n\\t\\t\\t}\\n\\t\\t\\t/* now look at the list of remote addresses */\\n\\t\\t\\tTAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {\\n#ifdef INVARIANTS\\n\\t\\t\\t\\tif (net == (TAILQ_NEXT(net, sctp_next))) {\\n\\t\\t\\t\\t\\tpanic(\\\"Corrupt net list\\\");\\n\\t\\t\\t\\t}\\n#endif\\n\\t\\t\\t\\tif (net->ro._l_addr.sa.sa_family !=\\n\\t\\t\\t\\t remote->sa_family) {\\n\\t\\t\\t\\t\\t/* not the same family */\\n\\t\\t\\t\\t\\tcontinue;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tswitch (remote->sa_family) {\\n#ifdef INET\\n\\t\\t\\t\\tcase AF_INET:\\n\\t\\t\\t\\t{\\n\\t\\t\\t\\t\\tstruct sockaddr_in *sin, *rsin;\",\n \"\\t\\t\\t\\t\\tsin = (struct sockaddr_in *)\\n\\t\\t\\t\\t\\t &net->ro._l_addr;\\n\\t\\t\\t\\t\\trsin = (struct sockaddr_in *)remote;\\n\\t\\t\\t\\t\\tif (sin->sin_addr.s_addr ==\\n\\t\\t\\t\\t\\t rsin->sin_addr.s_addr) {\\n\\t\\t\\t\\t\\t\\t/* found it */\\n\\t\\t\\t\\t\\t\\tif (netp != NULL) {\\n\\t\\t\\t\\t\\t\\t\\t*netp = net;\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t\\tif (locked_tcb == NULL) {\\n\\t\\t\\t\\t\\t\\t\\tSCTP_INP_DECR_REF(inp);\\n\\t\\t\\t\\t\\t\\t} else if (locked_tcb != stcb) {\\n\\t\\t\\t\\t\\t\\t\\tSCTP_TCB_LOCK(locked_tcb);\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t\\tif (locked_tcb) {\\n\\t\\t\\t\\t\\t\\t\\tatomic_subtract_int(&locked_tcb->asoc.refcnt, 1);\\n\\t\\t\\t\\t\\t\\t}\",\n \"\\t\\t\\t\\t\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t\\t\\t\\t\\t\\tSCTP_INP_INFO_RUNLOCK();\\n\\t\\t\\t\\t\\t\\treturn (stcb);\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\t}\\n#endif\\n#ifdef INET6\\n\\t\\t\\t\\tcase AF_INET6:\\n\\t\\t\\t\\t{\\n\\t\\t\\t\\t\\tstruct sockaddr_in6 *sin6, *rsin6;\",\n \"\\t\\t\\t\\t\\tsin6 = (struct sockaddr_in6 *)&net->ro._l_addr;\\n\\t\\t\\t\\t\\trsin6 = (struct sockaddr_in6 *)remote;\\n\\t\\t\\t\\t\\tif (SCTP6_ARE_ADDR_EQUAL(sin6,\\n\\t\\t\\t\\t\\t rsin6)) {\\n\\t\\t\\t\\t\\t\\t/* found it */\\n\\t\\t\\t\\t\\t\\tif (netp != NULL) {\\n\\t\\t\\t\\t\\t\\t\\t*netp = net;\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t\\tif (locked_tcb == NULL) {\\n\\t\\t\\t\\t\\t\\t\\tSCTP_INP_DECR_REF(inp);\\n\\t\\t\\t\\t\\t\\t} else if (locked_tcb != stcb) {\\n\\t\\t\\t\\t\\t\\t\\tSCTP_TCB_LOCK(locked_tcb);\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t\\tif (locked_tcb) {\\n\\t\\t\\t\\t\\t\\t\\tatomic_subtract_int(&locked_tcb->asoc.refcnt, 1);\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t\\t\\t\\t\\t\\tSCTP_INP_INFO_RUNLOCK();\\n\\t\\t\\t\\t\\t\\treturn (stcb);\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\t}\\n#endif\\n#if defined(__Userspace__)\\n\\t\\t\\t\\tcase AF_CONN:\\n\\t\\t\\t\\t{\\n\\t\\t\\t\\t\\tstruct sockaddr_conn *sconn, *rsconn;\",\n \"\\t\\t\\t\\t\\tsconn = (struct sockaddr_conn *)&net->ro._l_addr;\\n\\t\\t\\t\\t\\trsconn = (struct sockaddr_conn *)remote;\\n\\t\\t\\t\\t\\tif (sconn->sconn_addr == rsconn->sconn_addr) {\\n\\t\\t\\t\\t\\t\\t/* found it */\\n\\t\\t\\t\\t\\t\\tif (netp != NULL) {\\n\\t\\t\\t\\t\\t\\t\\t*netp = net;\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t\\tif (locked_tcb == NULL) {\\n\\t\\t\\t\\t\\t\\t\\tSCTP_INP_DECR_REF(inp);\\n\\t\\t\\t\\t\\t\\t} else if (locked_tcb != stcb) {\\n\\t\\t\\t\\t\\t\\t\\tSCTP_TCB_LOCK(locked_tcb);\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t\\tif (locked_tcb) {\\n\\t\\t\\t\\t\\t\\t\\tatomic_subtract_int(&locked_tcb->asoc.refcnt, 1);\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t\\t\\t\\t\\t\\tSCTP_INP_INFO_RUNLOCK();\\n\\t\\t\\t\\t\\t\\treturn (stcb);\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\t}\\n#endif\\n\\t\\t\\t\\tdefault:\\n\\t\\t\\t\\t\\t/* TSNH */\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t\\t}\\n\\t} else {\\n\\t\\tSCTP_INP_WLOCK(inp);\\n\\t\\tif (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {\\n\\t\\t\\tgoto null_return;\\n\\t\\t}\\n\\t\\thead = &inp->sctp_tcbhash[SCTP_PCBHASH_ALLADDR(rport,\\n\\t\\t inp->sctp_hashmark)];\\n\\t\\tLIST_FOREACH(stcb, head, sctp_tcbhash) {\\n\\t\\t\\tif (stcb->rport != rport) {\\n\\t\\t\\t\\t/* remote port does not match */\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\tSCTP_TCB_LOCK(stcb);\\n\\t\\t\\tif (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {\\n\\t\\t\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\tif (local && !sctp_does_stcb_own_this_addr(stcb, local)) {\\n\\t\\t\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\t/* now look at the list of remote addresses */\\n\\t\\t\\tTAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {\\n#ifdef INVARIANTS\\n\\t\\t\\t\\tif (net == (TAILQ_NEXT(net, sctp_next))) {\\n\\t\\t\\t\\t\\tpanic(\\\"Corrupt net list\\\");\\n\\t\\t\\t\\t}\\n#endif\\n\\t\\t\\t\\tif (net->ro._l_addr.sa.sa_family !=\\n\\t\\t\\t\\t remote->sa_family) {\\n\\t\\t\\t\\t\\t/* not the same family */\\n\\t\\t\\t\\t\\tcontinue;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tswitch (remote->sa_family) {\\n#ifdef INET\\n\\t\\t\\t\\tcase AF_INET:\\n\\t\\t\\t\\t{\\n\\t\\t\\t\\t\\tstruct sockaddr_in *sin, *rsin;\",\n \"\\t\\t\\t\\t\\tsin = (struct sockaddr_in *)\\n\\t\\t\\t\\t\\t &net->ro._l_addr;\\n\\t\\t\\t\\t\\trsin = (struct sockaddr_in *)remote;\\n\\t\\t\\t\\t\\tif (sin->sin_addr.s_addr ==\\n\\t\\t\\t\\t\\t rsin->sin_addr.s_addr) {\\n\\t\\t\\t\\t\\t\\t/* found it */\\n\\t\\t\\t\\t\\t\\tif (netp != NULL) {\\n\\t\\t\\t\\t\\t\\t\\t*netp = net;\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t\\tif (locked_tcb == NULL) {\\n\\t\\t\\t\\t\\t\\t\\tSCTP_INP_DECR_REF(inp);\\n\\t\\t\\t\\t\\t\\t} else if (locked_tcb != stcb) {\\n\\t\\t\\t\\t\\t\\t\\tSCTP_TCB_LOCK(locked_tcb);\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t\\tif (locked_tcb) {\\n\\t\\t\\t\\t\\t\\t\\tatomic_subtract_int(&locked_tcb->asoc.refcnt, 1);\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t\\t\\t\\t\\t\\tSCTP_INP_INFO_RUNLOCK();\\n\\t\\t\\t\\t\\t\\treturn (stcb);\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\t}\\n#endif\\n#ifdef INET6\\n\\t\\t\\t\\tcase AF_INET6:\\n\\t\\t\\t\\t{\\n\\t\\t\\t\\t\\tstruct sockaddr_in6 *sin6, *rsin6;\",\n \"\\t\\t\\t\\t\\tsin6 = (struct sockaddr_in6 *)\\n\\t\\t\\t\\t\\t &net->ro._l_addr;\\n\\t\\t\\t\\t\\trsin6 = (struct sockaddr_in6 *)remote;\\n\\t\\t\\t\\t\\tif (SCTP6_ARE_ADDR_EQUAL(sin6,\\n\\t\\t\\t\\t\\t rsin6)) {\\n\\t\\t\\t\\t\\t\\t/* found it */\\n\\t\\t\\t\\t\\t\\tif (netp != NULL) {\\n\\t\\t\\t\\t\\t\\t\\t*netp = net;\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t\\tif (locked_tcb == NULL) {\\n\\t\\t\\t\\t\\t\\t\\tSCTP_INP_DECR_REF(inp);\\n\\t\\t\\t\\t\\t\\t} else if (locked_tcb != stcb) {\\n\\t\\t\\t\\t\\t\\t\\tSCTP_TCB_LOCK(locked_tcb);\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t\\tif (locked_tcb) {\\n\\t\\t\\t\\t\\t\\t\\tatomic_subtract_int(&locked_tcb->asoc.refcnt, 1);\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t\\t\\t\\t\\t\\tSCTP_INP_INFO_RUNLOCK();\\n\\t\\t\\t\\t\\t\\treturn (stcb);\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\t}\\n#endif\\n#if defined(__Userspace__)\\n\\t\\t\\t\\tcase AF_CONN:\\n\\t\\t\\t\\t{\\n\\t\\t\\t\\t\\tstruct sockaddr_conn *sconn, *rsconn;\",\n \"\\t\\t\\t\\t\\tsconn = (struct sockaddr_conn *)&net->ro._l_addr;\\n\\t\\t\\t\\t\\trsconn = (struct sockaddr_conn *)remote;\\n\\t\\t\\t\\t\\tif (sconn->sconn_addr == rsconn->sconn_addr) {\\n\\t\\t\\t\\t\\t\\t/* found it */\\n\\t\\t\\t\\t\\t\\tif (netp != NULL) {\\n\\t\\t\\t\\t\\t\\t\\t*netp = net;\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t\\tif (locked_tcb == NULL) {\\n\\t\\t\\t\\t\\t\\t\\tSCTP_INP_DECR_REF(inp);\\n\\t\\t\\t\\t\\t\\t} else if (locked_tcb != stcb) {\\n\\t\\t\\t\\t\\t\\t\\tSCTP_TCB_LOCK(locked_tcb);\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t\\tif (locked_tcb) {\\n\\t\\t\\t\\t\\t\\t\\tatomic_subtract_int(&locked_tcb->asoc.refcnt, 1);\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t\\t\\t\\t\\t\\tSCTP_INP_INFO_RUNLOCK();\\n\\t\\t\\t\\t\\t\\treturn (stcb);\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\t}\\n#endif\\n\\t\\t\\t\\tdefault:\\n\\t\\t\\t\\t\\t/* TSNH */\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t\\t}\\n\\t}\\nnull_return:\\n\\t/* clean up for returning null */\\n\\tif (locked_tcb) {\\n\\t\\tSCTP_TCB_LOCK(locked_tcb);\\n\\t\\tatomic_subtract_int(&locked_tcb->asoc.refcnt, 1);\\n\\t}\\n\\tSCTP_INP_WUNLOCK(inp);\\n\\tSCTP_INP_INFO_RUNLOCK();\\n\\t/* not found */\\n\\treturn (NULL);\\n}\",\n \"\\n/*\\n * Find an association for a specific endpoint using the association id given\\n * out in the COMM_UP notification\\n */\\nstruct sctp_tcb *\\nsctp_findasoc_ep_asocid_locked(struct sctp_inpcb *inp, sctp_assoc_t asoc_id, int want_lock)\\n{\\n\\t/*\\n\\t * Use my the assoc_id to find a endpoint\\n\\t */\\n\\tstruct sctpasochead *head;\\n\\tstruct sctp_tcb *stcb;\\n\\tuint32_t id;\",\n \"\\tif (inp == NULL) {\\n\\t\\tSCTP_PRINTF(\\\"TSNH ep_associd\\\\n\\\");\\n\\t\\treturn (NULL);\\n\\t}\\n\\tif (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {\\n\\t\\tSCTP_PRINTF(\\\"TSNH ep_associd0\\\\n\\\");\\n\\t\\treturn (NULL);\\n\\t}\\n\\tid = (uint32_t)asoc_id;\\n\\thead = &inp->sctp_asocidhash[SCTP_PCBHASH_ASOC(id, inp->hashasocidmark)];\\n\\tif (head == NULL) {\\n\\t\\t/* invalid id TSNH */\\n\\t\\tSCTP_PRINTF(\\\"TSNH ep_associd1\\\\n\\\");\\n\\t\\treturn (NULL);\\n\\t}\\n\\tLIST_FOREACH(stcb, head, sctp_tcbasocidhash) {\\n\\t\\tif (stcb->asoc.assoc_id == id) {\\n\\t\\t\\tif (inp != stcb->sctp_ep) {\\n\\t\\t\\t\\t/*\\n\\t\\t\\t\\t * some other guy has the same id active (id\\n\\t\\t\\t\\t * collision ??).\\n\\t\\t\\t\\t */\\n\\t\\t\\t\\tSCTP_PRINTF(\\\"TSNH ep_associd2\\\\n\\\");\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\tif (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\tif (want_lock) {\\n\\t\\t\\t\\tSCTP_TCB_LOCK(stcb);\\n\\t\\t\\t}\\n\\t\\t\\treturn (stcb);\\n\\t\\t}\\n\\t}\\n\\treturn (NULL);\\n}\",\n \"\\nstruct sctp_tcb *\\nsctp_findassociation_ep_asocid(struct sctp_inpcb *inp, sctp_assoc_t asoc_id, int want_lock)\\n{\\n\\tstruct sctp_tcb *stcb;\",\n \"\\tSCTP_INP_RLOCK(inp);\\n\\tstcb = sctp_findasoc_ep_asocid_locked(inp, asoc_id, want_lock);\\n\\tSCTP_INP_RUNLOCK(inp);\\n\\treturn (stcb);\\n}\",\n \"\\n/*\\n * Endpoint probe expects that the INP_INFO is locked.\\n */\\nstatic struct sctp_inpcb *\\nsctp_endpoint_probe(struct sockaddr *nam, struct sctppcbhead *head,\\n\\t\\t uint16_t lport, uint32_t vrf_id)\\n{\\n\\tstruct sctp_inpcb *inp;\\n\\tstruct sctp_laddr *laddr;\\n#ifdef INET\\n\\tstruct sockaddr_in *sin;\\n#endif\\n#ifdef INET6\\n\\tstruct sockaddr_in6 *sin6;\\n\\tstruct sockaddr_in6 *intf_addr6;\\n#endif\\n#if defined(__Userspace__)\\n\\tstruct sockaddr_conn *sconn;\\n#endif\\n#ifdef SCTP_MVRF\\n\\tint i;\\n#endif\\n\\tint fnd;\",\n \"#ifdef INET\\n\\tsin = NULL;\\n#endif\\n#ifdef INET6\\n\\tsin6 = NULL;\\n#endif\\n#if defined(__Userspace__)\\n\\tsconn = NULL;\\n#endif\\n\\tswitch (nam->sa_family) {\\n#ifdef INET\\n\\tcase AF_INET:\\n\\t\\tsin = (struct sockaddr_in *)nam;\\n\\t\\tbreak;\\n#endif\\n#ifdef INET6\\n\\tcase AF_INET6:\\n\\t\\tsin6 = (struct sockaddr_in6 *)nam;\\n\\t\\tbreak;\\n#endif\\n#if defined(__Userspace__)\\n\\tcase AF_CONN:\\n\\t\\tsconn = (struct sockaddr_conn *)nam;\\n\\t\\tbreak;\\n#endif\\n\\tdefault:\\n\\t\\t/* unsupported family */\\n\\t\\treturn (NULL);\\n\\t}\",\n \"\\tif (head == NULL)\\n\\t\\treturn (NULL);\",\n \"\\tLIST_FOREACH(inp, head, sctp_hash) {\\n\\t\\tSCTP_INP_RLOCK(inp);\\n\\t\\tif (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {\\n\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) &&\\n\\t\\t (inp->sctp_lport == lport)) {\\n\\t\\t\\t/* got it */\\n\\t\\t\\tswitch (nam->sa_family) {\\n#ifdef INET\\n\\t\\t\\tcase AF_INET:\\n\\t\\t\\t\\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) &&\\n\\t\\t\\t\\t SCTP_IPV6_V6ONLY(inp)) {\\n\\t\\t\\t\\t\\t/* IPv4 on a IPv6 socket with ONLY IPv6 set */\\n\\t\\t\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\t\\t\\tcontinue;\\n\\t\\t\\t\\t}\\n#if defined(__FreeBSD__)\\n\\t\\t\\t\\tif (prison_check_ip4(inp->ip_inp.inp.inp_cred,\\n\\t\\t\\t\\t &sin->sin_addr) != 0) {\\n\\t\\t\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\t\\t\\tcontinue;\\n\\t\\t\\t\\t}\\n#endif\\n\\t\\t\\t\\tbreak;\\n#endif\\n#ifdef INET6\\n\\t\\t\\tcase AF_INET6:\\n\\t\\t\\t\\t/* A V6 address and the endpoint is NOT bound V6 */\\n\\t\\t\\t\\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) {\\n\\t\\t\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\t\\t\\tcontinue;\\n\\t\\t\\t\\t}\\n#if defined(__FreeBSD__)\\n\\t\\t\\t\\tif (prison_check_ip6(inp->ip_inp.inp.inp_cred,\\n\\t\\t\\t\\t &sin6->sin6_addr) != 0) {\\n\\t\\t\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\t\\t\\tcontinue;\\n\\t\\t\\t\\t}\\n#endif\\n\\t\\t\\t\\tbreak;\\n#endif\\n\\t\\t\\tdefault:\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n\\t\\t\\t/* does a VRF id match? */\\n\\t\\t\\tfnd = 0;\\n#ifdef SCTP_MVRF\\n\\t\\t\\tfor (i = 0; i < inp->num_vrfs; i++) {\\n\\t\\t\\t\\tif (inp->m_vrf_ids[i] == vrf_id) {\\n\\t\\t\\t\\t\\tfnd = 1;\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n#else\\n\\t\\t\\tif (inp->def_vrf_id == vrf_id)\\n\\t\\t\\t\\tfnd = 1;\\n#endif\",\n \"\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\tif (!fnd)\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\treturn (inp);\\n\\t\\t}\\n\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t}\\n\\tswitch (nam->sa_family) {\\n#ifdef INET\\n\\tcase AF_INET:\\n\\t\\tif (sin->sin_addr.s_addr == INADDR_ANY) {\\n\\t\\t\\t/* Can't hunt for one that has no address specified */\\n\\t\\t\\treturn (NULL);\\n\\t\\t}\\n\\t\\tbreak;\\n#endif\\n#ifdef INET6\\n\\tcase AF_INET6:\\n\\t\\tif (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {\\n\\t\\t\\t/* Can't hunt for one that has no address specified */\\n\\t\\t\\treturn (NULL);\\n\\t\\t}\\n\\t\\tbreak;\\n#endif\\n#if defined(__Userspace__)\\n\\tcase AF_CONN:\\n\\t\\tif (sconn->sconn_addr == NULL) {\\n\\t\\t\\treturn (NULL);\\n\\t\\t}\\n\\t\\tbreak;\\n#endif\\n\\tdefault:\\n\\t\\tbreak;\\n\\t}\\n\\t/*\\n\\t * ok, not bound to all so see if we can find a EP bound to this\\n\\t * address.\\n\\t */\\n\\tLIST_FOREACH(inp, head, sctp_hash) {\\n\\t\\tSCTP_INP_RLOCK(inp);\\n\\t\\tif (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {\\n\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL)) {\\n\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\t/*\\n\\t\\t * Ok this could be a likely candidate, look at all of its\\n\\t\\t * addresses\\n\\t\\t */\\n\\t\\tif (inp->sctp_lport != lport) {\\n\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\t/* does a VRF id match? */\\n\\t\\tfnd = 0;\\n#ifdef SCTP_MVRF\\n\\t\\tfor (i = 0; i < inp->num_vrfs; i++) {\\n\\t\\t\\tif (inp->m_vrf_ids[i] == vrf_id) {\\n\\t\\t\\t\\tfnd = 1;\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n\\t\\t}\\n#else\\n\\t\\tif (inp->def_vrf_id == vrf_id)\\n\\t\\t\\tfnd = 1;\",\n \"#endif\\n\\t\\tif (!fnd) {\\n\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\tLIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {\\n\\t\\t\\tif (laddr->ifa == NULL) {\\n\\t\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB1, \\\"%s: NULL ifa\\\\n\\\",\\n\\t\\t\\t\\t\\t__func__);\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB1, \\\"Ok laddr->ifa:%p is possible, \\\",\\n\\t\\t\\t\\t(void *)laddr->ifa);\\n\\t\\t\\tif (laddr->ifa->localifa_flags & SCTP_BEING_DELETED) {\\n\\t\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB1, \\\"Huh IFA being deleted\\\\n\\\");\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\tif (laddr->ifa->address.sa.sa_family == nam->sa_family) {\\n\\t\\t\\t\\t/* possible, see if it matches */\\n\\t\\t\\t\\tswitch (nam->sa_family) {\\n#ifdef INET\\n\\t\\t\\t\\tcase AF_INET:\\n#if defined(__APPLE__)\\n\\t\\t\\t\\t\\tif (sin == NULL) {\\n\\t\\t\\t\\t\\t\\t/* TSNH */\\n\\t\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\t\\t}\\n#endif\\n\\t\\t\\t\\t\\tif (sin->sin_addr.s_addr ==\\n\\t\\t\\t\\t\\t laddr->ifa->address.sin.sin_addr.s_addr) {\\n\\t\\t\\t\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\t\\t\\t\\treturn (inp);\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tbreak;\\n#endif\\n#ifdef INET6\\n\\t\\t\\t\\tcase AF_INET6:\\n\\t\\t\\t\\t\\tintf_addr6 = &laddr->ifa->address.sin6;\\n\\t\\t\\t\\t\\tif (SCTP6_ARE_ADDR_EQUAL(sin6,\\n\\t\\t\\t\\t\\t intf_addr6)) {\\n\\t\\t\\t\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\t\\t\\t\\treturn (inp);\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tbreak;\\n#endif\\n#if defined(__Userspace__)\\n\\t\\t\\t\\tcase AF_CONN:\\n\\t\\t\\t\\t\\tif (sconn->sconn_addr == laddr->ifa->address.sconn.sconn_addr) {\\n\\t\\t\\t\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\t\\t\\t\\treturn (inp);\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tbreak;\\n#endif\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t}\\n\\treturn (NULL);\\n}\",\n \"\\nstatic struct sctp_inpcb *\\nsctp_isport_inuse(struct sctp_inpcb *inp, uint16_t lport, uint32_t vrf_id)\\n{\\n\\tstruct sctppcbhead *head;\\n\\tstruct sctp_inpcb *t_inp;\\n#ifdef SCTP_MVRF\\n\\tint i;\\n#endif\\n\\tint fnd;\",\n \"\\thead = &SCTP_BASE_INFO(sctp_ephash)[SCTP_PCBHASH_ALLADDR(lport,\\n\\t SCTP_BASE_INFO(hashmark))];\\n\\tLIST_FOREACH(t_inp, head, sctp_hash) {\\n\\t\\tif (t_inp->sctp_lport != lport) {\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\t/* is it in the VRF in question */\\n\\t\\tfnd = 0;\\n#ifdef SCTP_MVRF\\n\\t\\tfor (i = 0; i < inp->num_vrfs; i++) {\\n\\t\\t\\tif (t_inp->m_vrf_ids[i] == vrf_id) {\\n\\t\\t\\t\\tfnd = 1;\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n\\t\\t}\\n#else\\n\\t\\tif (t_inp->def_vrf_id == vrf_id)\\n\\t\\t\\tfnd = 1;\\n#endif\\n\\t\\tif (!fnd)\\n\\t\\t\\tcontinue;\",\n \"\\t\\t/* This one is in use. */\\n\\t\\t/* check the v6/v4 binding issue */\\n\\t\\tif ((t_inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) &&\\n\\t\\t SCTP_IPV6_V6ONLY(t_inp)) {\\n\\t\\t\\tif (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {\\n\\t\\t\\t\\t/* collision in V6 space */\\n\\t\\t\\t\\treturn (t_inp);\\n\\t\\t\\t} else {\\n\\t\\t\\t\\t/* inp is BOUND_V4 no conflict */\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t} else if (t_inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {\\n\\t\\t\\t/* t_inp is bound v4 and v6, conflict always */\\n\\t\\t\\treturn (t_inp);\\n\\t\\t} else {\\n\\t\\t\\t/* t_inp is bound only V4 */\\n\\t\\t\\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) &&\\n\\t\\t\\t SCTP_IPV6_V6ONLY(inp)) {\\n\\t\\t\\t\\t/* no conflict */\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\t/* else fall through to conflict */\\n\\t\\t}\\n\\t\\treturn (t_inp);\\n\\t}\\n\\treturn (NULL);\\n}\",\n \"\\nint\\nsctp_swap_inpcb_for_listen(struct sctp_inpcb *inp)\\n{\\n\\t/* For 1-2-1 with port reuse */\\n\\tstruct sctppcbhead *head;\\n\\tstruct sctp_inpcb *tinp, *ninp;\",\n \"\\tif (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE)) {\\n\\t\\t/* only works with port reuse on */\\n\\t\\treturn (-1);\\n\\t}\\n\\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) {\\n\\t\\treturn (0);\\n\\t}\\n\\tSCTP_INP_RUNLOCK(inp);\\n\\tSCTP_INP_INFO_WLOCK();\\n\\thead = &SCTP_BASE_INFO(sctp_ephash)[SCTP_PCBHASH_ALLADDR(inp->sctp_lport,\\n\\t SCTP_BASE_INFO(hashmark))];\\n\\t/* Kick out all non-listeners to the TCP hash */\\n\\tLIST_FOREACH_SAFE(tinp, head, sctp_hash, ninp) {\\n\\t\\tif (tinp->sctp_lport != inp->sctp_lport) {\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\tif (tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\tif (tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) {\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\tif (SCTP_IS_LISTENING(tinp)) {\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\tSCTP_INP_WLOCK(tinp);\\n\\t\\tLIST_REMOVE(tinp, sctp_hash);\\n\\t\\thead = &SCTP_BASE_INFO(sctp_tcpephash)[SCTP_PCBHASH_ALLADDR(tinp->sctp_lport, SCTP_BASE_INFO(hashtcpmark))];\\n\\t\\ttinp->sctp_flags |= SCTP_PCB_FLAGS_IN_TCPPOOL;\\n\\t\\tLIST_INSERT_HEAD(head, tinp, sctp_hash);\\n\\t\\tSCTP_INP_WUNLOCK(tinp);\\n\\t}\\n\\tSCTP_INP_WLOCK(inp);\\n\\t/* Pull from where he was */\\n\\tLIST_REMOVE(inp, sctp_hash);\\n\\tinp->sctp_flags &= ~SCTP_PCB_FLAGS_IN_TCPPOOL;\\n\\thead = &SCTP_BASE_INFO(sctp_ephash)[SCTP_PCBHASH_ALLADDR(inp->sctp_lport, SCTP_BASE_INFO(hashmark))];\\n\\tLIST_INSERT_HEAD(head, inp, sctp_hash);\\n\\tSCTP_INP_WUNLOCK(inp);\\n\\tSCTP_INP_RLOCK(inp);\\n\\tSCTP_INP_INFO_WUNLOCK();\\n\\treturn (0);\\n}\",\n \"\\nstruct sctp_inpcb *\\nsctp_pcb_findep(struct sockaddr *nam, int find_tcp_pool, int have_lock,\\n\\t\\tuint32_t vrf_id)\\n{\\n\\t/*\\n\\t * First we check the hash table to see if someone has this port\\n\\t * bound with just the port.\\n\\t */\\n\\tstruct sctp_inpcb *inp;\\n\\tstruct sctppcbhead *head;\\n\\tint lport;\\n\\tunsigned int i;\\n#ifdef INET\\n\\tstruct sockaddr_in *sin;\\n#endif\\n#ifdef INET6\\n\\tstruct sockaddr_in6 *sin6;\\n#endif\\n#if defined(__Userspace__)\\n\\tstruct sockaddr_conn *sconn;\\n#endif\",\n \"\\tswitch (nam->sa_family) {\\n#ifdef INET\\n\\tcase AF_INET:\\n\\t\\tsin = (struct sockaddr_in *)nam;\\n\\t\\tlport = sin->sin_port;\\n\\t\\tbreak;\\n#endif\\n#ifdef INET6\\n\\tcase AF_INET6:\\n\\t\\tsin6 = (struct sockaddr_in6 *)nam;\\n\\t\\tlport = sin6->sin6_port;\\n\\t\\tbreak;\\n#endif\\n#if defined(__Userspace__)\\n\\tcase AF_CONN:\\n\\t\\tsconn = (struct sockaddr_conn *)nam;\\n\\t\\tlport = sconn->sconn_port;\\n\\t\\tbreak;\\n#endif\\n\\tdefault:\\n\\t\\treturn (NULL);\\n\\t}\\n\\t/*\\n\\t * I could cheat here and just cast to one of the types but we will\\n\\t * do it right. It also provides the check against an Unsupported\\n\\t * type too.\\n\\t */\\n\\t/* Find the head of the ALLADDR chain */\\n\\tif (have_lock == 0) {\\n\\t\\tSCTP_INP_INFO_RLOCK();\\n\\t}\\n\\thead = &SCTP_BASE_INFO(sctp_ephash)[SCTP_PCBHASH_ALLADDR(lport,\\n\\t SCTP_BASE_INFO(hashmark))];\\n\\tinp = sctp_endpoint_probe(nam, head, lport, vrf_id);\",\n \"\\t/*\\n\\t * If the TCP model exists it could be that the main listening\\n\\t * endpoint is gone but there still exists a connected socket for this\\n\\t * guy. If so we can return the first one that we find. This may NOT\\n\\t * be the correct one so the caller should be wary on the returned INP.\\n\\t * Currently the only caller that sets find_tcp_pool is in bindx where\\n\\t * we are verifying that a user CAN bind the address. He either\\n\\t * has bound it already, or someone else has, or its open to bind,\\n\\t * so this is good enough.\\n\\t */\\n\\tif (inp == NULL && find_tcp_pool) {\\n\\t\\tfor (i = 0; i < SCTP_BASE_INFO(hashtcpmark) + 1; i++) {\\n\\t\\t\\thead = &SCTP_BASE_INFO(sctp_tcpephash)[i];\\n\\t\\t\\tinp = sctp_endpoint_probe(nam, head, lport, vrf_id);\\n\\t\\t\\tif (inp) {\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n\\tif (inp) {\\n\\t\\tSCTP_INP_INCR_REF(inp);\\n\\t}\\n\\tif (have_lock == 0) {\\n\\t\\tSCTP_INP_INFO_RUNLOCK();\\n\\t}\\n\\treturn (inp);\\n}\",\n \"\\n/*\\n * Find an association for an endpoint with the pointer to whom you want to\\n * send to and the endpoint pointer. The address can be IPv4 or IPv6. We may\\n * need to change the *to to some other struct like a mbuf...\\n */\\nstruct sctp_tcb *\\nsctp_findassociation_addr_sa(struct sockaddr *from, struct sockaddr *to,\\n struct sctp_inpcb **inp_p, struct sctp_nets **netp, int find_tcp_pool,\\n uint32_t vrf_id)\\n{\\n\\tstruct sctp_inpcb *inp = NULL;\\n\\tstruct sctp_tcb *stcb;\",\n \"\\tSCTP_INP_INFO_RLOCK();\\n\\tif (find_tcp_pool) {\\n\\t\\tif (inp_p != NULL) {\\n\\t\\t\\tstcb = sctp_tcb_special_locate(inp_p, from, to, netp,\\n\\t\\t\\t vrf_id);\\n\\t\\t} else {\\n\\t\\t\\tstcb = sctp_tcb_special_locate(&inp, from, to, netp,\\n\\t\\t\\t vrf_id);\\n\\t\\t}\\n\\t\\tif (stcb != NULL) {\\n\\t\\t\\tSCTP_INP_INFO_RUNLOCK();\\n\\t\\t\\treturn (stcb);\\n\\t\\t}\\n\\t}\\n\\tinp = sctp_pcb_findep(to, 0, 1, vrf_id);\\n\\tif (inp_p != NULL) {\\n\\t\\t*inp_p = inp;\\n\\t}\\n\\tSCTP_INP_INFO_RUNLOCK();\\n\\tif (inp == NULL) {\\n\\t\\treturn (NULL);\\n\\t}\\n\\t/*\\n\\t * ok, we have an endpoint, now lets find the assoc for it (if any)\\n\\t * we now place the source address or from in the to of the find\\n\\t * endpoint call. Since in reality this chain is used from the\\n\\t * inbound packet side.\\n\\t */\\n\\tif (inp_p != NULL) {\\n\\t\\tstcb = sctp_findassociation_ep_addr(inp_p, from, netp, to,\\n\\t\\t NULL);\\n\\t} else {\\n\\t\\tstcb = sctp_findassociation_ep_addr(&inp, from, netp, to,\\n\\t\\t NULL);\\n\\t}\\n\\treturn (stcb);\\n}\",\n \"\\n/*\\n * This routine will grub through the mbuf that is a INIT or INIT-ACK and\\n * find all addresses that the sender has specified in any address list. Each\\n * address will be used to lookup the TCB and see if one exits.\\n */\\nstatic struct sctp_tcb *\\nsctp_findassociation_special_addr(struct mbuf *m, int offset,\\n struct sctphdr *sh, struct sctp_inpcb **inp_p, struct sctp_nets **netp,\\n struct sockaddr *dst)\\n{\\n\\tstruct sctp_paramhdr *phdr, param_buf;\\n#if defined(INET) || defined(INET6)\\n\\tstruct sctp_tcb *stcb;\\n\\tuint16_t ptype;\\n#endif\\n\\tuint16_t plen;\\n#ifdef INET\\n\\tstruct sockaddr_in sin4;\\n#endif\\n#ifdef INET6\\n\\tstruct sockaddr_in6 sin6;\\n#endif\",\n \"#ifdef INET\\n\\tmemset(&sin4, 0, sizeof(sin4));\\n#ifdef HAVE_SIN_LEN\\n\\tsin4.sin_len = sizeof(sin4);\\n#endif\\n\\tsin4.sin_family = AF_INET;\\n\\tsin4.sin_port = sh->src_port;\\n#endif\\n#ifdef INET6\\n\\tmemset(&sin6, 0, sizeof(sin6));\\n#ifdef HAVE_SIN6_LEN\\n\\tsin6.sin6_len = sizeof(sin6);\\n#endif\\n\\tsin6.sin6_family = AF_INET6;\\n\\tsin6.sin6_port = sh->src_port;\\n#endif\",\n \"\\toffset += sizeof(struct sctp_init_chunk);\",\n \"\\tphdr = sctp_get_next_param(m, offset, ¶m_buf, sizeof(param_buf));\\n\\twhile (phdr != NULL) {\\n\\t\\t/* now we must see if we want the parameter */\\n#if defined(INET) || defined(INET6)\\n\\t\\tptype = ntohs(phdr->param_type);\\n#endif\\n\\t\\tplen = ntohs(phdr->param_length);\\n\\t\\tif (plen == 0) {\\n\\t\\t\\tbreak;\\n\\t\\t}\\n#ifdef INET\\n\\t\\tif (ptype == SCTP_IPV4_ADDRESS &&\\n\\t\\t plen == sizeof(struct sctp_ipv4addr_param)) {\\n\\t\\t\\t/* Get the rest of the address */\\n\\t\\t\\tstruct sctp_ipv4addr_param ip4_param, *p4;\",\n \"\\t\\t\\tphdr = sctp_get_next_param(m, offset,\\n\\t\\t\\t (struct sctp_paramhdr *)&ip4_param, sizeof(ip4_param));\\n\\t\\t\\tif (phdr == NULL) {\\n\\t\\t\\t\\treturn (NULL);\\n\\t\\t\\t}\\n\\t\\t\\tp4 = (struct sctp_ipv4addr_param *)phdr;\\n\\t\\t\\tmemcpy(&sin4.sin_addr, &p4->addr, sizeof(p4->addr));\\n\\t\\t\\t/* look it up */\\n\\t\\t\\tstcb = sctp_findassociation_ep_addr(inp_p,\\n\\t\\t\\t (struct sockaddr *)&sin4, netp, dst, NULL);\\n\\t\\t\\tif (stcb != NULL) {\\n\\t\\t\\t\\treturn (stcb);\\n\\t\\t\\t}\\n\\t\\t}\\n#endif\\n#ifdef INET6\\n\\t\\tif (ptype == SCTP_IPV6_ADDRESS &&\\n\\t\\t plen == sizeof(struct sctp_ipv6addr_param)) {\\n\\t\\t\\t/* Get the rest of the address */\\n\\t\\t\\tstruct sctp_ipv6addr_param ip6_param, *p6;\",\n \"\\t\\t\\tphdr = sctp_get_next_param(m, offset,\\n\\t\\t\\t (struct sctp_paramhdr *)&ip6_param, sizeof(ip6_param));\\n\\t\\t\\tif (phdr == NULL) {\\n\\t\\t\\t\\treturn (NULL);\\n\\t\\t\\t}\\n\\t\\t\\tp6 = (struct sctp_ipv6addr_param *)phdr;\\n\\t\\t\\tmemcpy(&sin6.sin6_addr, &p6->addr, sizeof(p6->addr));\\n\\t\\t\\t/* look it up */\\n\\t\\t\\tstcb = sctp_findassociation_ep_addr(inp_p,\\n\\t\\t\\t (struct sockaddr *)&sin6, netp, dst, NULL);\\n\\t\\t\\tif (stcb != NULL) {\\n\\t\\t\\t\\treturn (stcb);\\n\\t\\t\\t}\\n\\t\\t}\\n#endif\\n\\t\\toffset += SCTP_SIZE32(plen);\\n\\t\\tphdr = sctp_get_next_param(m, offset, ¶m_buf,\\n\\t\\t\\t\\t\\t sizeof(param_buf));\\n\\t}\\n\\treturn (NULL);\\n}\",\n \"static struct sctp_tcb *\\nsctp_findassoc_by_vtag(struct sockaddr *from, struct sockaddr *to, uint32_t vtag,\\n\\t\\t struct sctp_inpcb **inp_p, struct sctp_nets **netp, uint16_t rport,\\n\\t\\t uint16_t lport, int skip_src_check, uint32_t vrf_id, uint32_t remote_tag)\\n{\\n\\t/*\\n\\t * Use my vtag to hash. If we find it we then verify the source addr\\n\\t * is in the assoc. If all goes well we save a bit on rec of a\\n\\t * packet.\\n\\t */\\n\\tstruct sctpasochead *head;\\n\\tstruct sctp_nets *net;\\n\\tstruct sctp_tcb *stcb;\\n#ifdef SCTP_MVRF\\n\\tunsigned int i;\\n#endif\",\n \"\\tSCTP_INP_INFO_RLOCK();\\n\\thead = &SCTP_BASE_INFO(sctp_asochash)[SCTP_PCBHASH_ASOC(vtag,\\n\\t SCTP_BASE_INFO(hashasocmark))];\\n\\tLIST_FOREACH(stcb, head, sctp_asocs) {\\n\\t\\tSCTP_INP_RLOCK(stcb->sctp_ep);\\n\\t\\tif (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {\\n\\t\\t\\tSCTP_INP_RUNLOCK(stcb->sctp_ep);\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n#ifdef SCTP_MVRF\\n\\t\\tfor (i = 0; i < stcb->sctp_ep->num_vrfs; i++) {\\n\\t\\t\\tif (stcb->sctp_ep->m_vrf_ids[i] == vrf_id) {\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\tif (i == stcb->sctp_ep->num_vrfs) {\\n\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n#else\\n\\t\\tif (stcb->sctp_ep->def_vrf_id != vrf_id) {\\n\\t\\t\\tSCTP_INP_RUNLOCK(stcb->sctp_ep);\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n#endif\\n\\t\\tSCTP_TCB_LOCK(stcb);\\n\\t\\tSCTP_INP_RUNLOCK(stcb->sctp_ep);\\n\\t\\tif (stcb->asoc.my_vtag == vtag) {\\n\\t\\t\\t/* candidate */\\n\\t\\t\\tif (stcb->rport != rport) {\\n\\t\\t\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\tif (stcb->sctp_ep->sctp_lport != lport) {\\n\\t\\t\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\tif (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {\\n\\t\\t\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\t/* RRS:Need toaddr check here */\\n\\t\\t\\tif (sctp_does_stcb_own_this_addr(stcb, to) == 0) {\\n\\t\\t\\t /* Endpoint does not own this address */\\n\\t\\t\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\tif (remote_tag) {\\n\\t\\t\\t\\t/* If we have both vtags that's all we match on */\\n\\t\\t\\t\\tif (stcb->asoc.peer_vtag == remote_tag) {\\n\\t\\t\\t\\t\\t/* If both tags match we consider it conclusive\\n\\t\\t\\t\\t\\t * and check NO source/destination addresses\\n\\t\\t\\t\\t\\t */\\n\\t\\t\\t\\t\\tgoto conclusive;\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t\\tif (skip_src_check) {\\n\\t\\t\\tconclusive:\\n\\t\\t\\t if (from) {\\n\\t\\t\\t\\t\\t*netp = sctp_findnet(stcb, from);\\n\\t\\t\\t\\t} else {\\n\\t\\t\\t\\t\\t*netp = NULL;\\t/* unknown */\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tif (inp_p)\\n\\t\\t\\t\\t\\t*inp_p = stcb->sctp_ep;\\n\\t\\t\\t\\tSCTP_INP_INFO_RUNLOCK();\\n\\t\\t\\t\\treturn (stcb);\\n\\t\\t\\t}\\n\\t\\t\\tnet = sctp_findnet(stcb, from);\\n\\t\\t\\tif (net) {\\n\\t\\t\\t\\t/* yep its him. */\\n\\t\\t\\t\\t*netp = net;\\n\\t\\t\\t\\tSCTP_STAT_INCR(sctps_vtagexpress);\\n\\t\\t\\t\\t*inp_p = stcb->sctp_ep;\\n\\t\\t\\t\\tSCTP_INP_INFO_RUNLOCK();\\n\\t\\t\\t\\treturn (stcb);\\n\\t\\t\\t} else {\\n\\t\\t\\t\\t/*\\n\\t\\t\\t\\t * not him, this should only happen in rare\\n\\t\\t\\t\\t * cases so I peg it.\\n\\t\\t\\t\\t */\\n\\t\\t\\t\\tSCTP_STAT_INCR(sctps_vtagbogus);\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t}\\n\\tSCTP_INP_INFO_RUNLOCK();\\n\\treturn (NULL);\\n}\",\n \"\\n/*\\n * Find an association with the pointer to the inbound IP packet. This can be\\n * a IPv4 or IPv6 packet.\\n */\\nstruct sctp_tcb *\\nsctp_findassociation_addr(struct mbuf *m, int offset,\\n struct sockaddr *src, struct sockaddr *dst,\\n struct sctphdr *sh, struct sctp_chunkhdr *ch,\\n struct sctp_inpcb **inp_p, struct sctp_nets **netp, uint32_t vrf_id)\\n{\\n\\tstruct sctp_tcb *stcb;\\n\\tstruct sctp_inpcb *inp;\",\n \"\\tif (sh->v_tag) {\\n\\t\\t/* we only go down this path if vtag is non-zero */\\n\\t\\tstcb = sctp_findassoc_by_vtag(src, dst, ntohl(sh->v_tag),\\n\\t\\t inp_p, netp, sh->src_port, sh->dest_port, 0, vrf_id, 0);\\n\\t\\tif (stcb) {\\n\\t\\t\\treturn (stcb);\\n\\t\\t}\\n\\t}\",\n \"\\tif (inp_p) {\\n\\t\\tstcb = sctp_findassociation_addr_sa(src, dst, inp_p, netp,\\n\\t\\t 1, vrf_id);\\n\\t\\tinp = *inp_p;\\n\\t} else {\\n\\t\\tstcb = sctp_findassociation_addr_sa(src, dst, &inp, netp,\\n\\t\\t 1, vrf_id);\\n\\t}\\n\\tSCTPDBG(SCTP_DEBUG_PCB1, \\\"stcb:%p inp:%p\\\\n\\\", (void *)stcb, (void *)inp);\\n\\tif (stcb == NULL && inp) {\\n\\t\\t/* Found a EP but not this address */\\n\\t\\tif ((ch->chunk_type == SCTP_INITIATION) ||\\n\\t\\t (ch->chunk_type == SCTP_INITIATION_ACK)) {\\n\\t\\t\\t/*-\\n\\t\\t\\t * special hook, we do NOT return linp or an\\n\\t\\t\\t * association that is linked to an existing\\n\\t\\t\\t * association that is under the TCP pool (i.e. no\\n\\t\\t\\t * listener exists). The endpoint finding routine\\n\\t\\t\\t * will always find a listener before examining the\\n\\t\\t\\t * TCP pool.\\n\\t\\t\\t */\\n\\t\\t\\tif (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) {\\n\\t\\t\\t\\tif (inp_p) {\\n\\t\\t\\t\\t\\t*inp_p = NULL;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\treturn (NULL);\\n\\t\\t\\t}\\n\\t\\t\\tstcb = sctp_findassociation_special_addr(m,\\n\\t\\t\\t offset, sh, &inp, netp, dst);\\n\\t\\t\\tif (inp_p != NULL) {\\n\\t\\t\\t\\t*inp_p = inp;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n\\tSCTPDBG(SCTP_DEBUG_PCB1, \\\"stcb is %p\\\\n\\\", (void *)stcb);\\n\\treturn (stcb);\\n}\",\n \"/*\\n * lookup an association by an ASCONF lookup address.\\n * if the lookup address is 0.0.0.0 or ::0, use the vtag to do the lookup\\n */\\nstruct sctp_tcb *\\nsctp_findassociation_ep_asconf(struct mbuf *m, int offset,\\n\\t\\t\\t struct sockaddr *dst, struct sctphdr *sh,\\n struct sctp_inpcb **inp_p, struct sctp_nets **netp, uint32_t vrf_id)\\n{\\n\\tstruct sctp_tcb *stcb;\\n\\tunion sctp_sockstore remote_store;\\n\\tstruct sctp_paramhdr param_buf, *phdr;\\n\\tint ptype;\\n\\tint zero_address = 0;\\n#ifdef INET\\n\\tstruct sockaddr_in *sin;\\n#endif\\n#ifdef INET6\\n\\tstruct sockaddr_in6 *sin6;\\n#endif\",\n \"\\tmemset(&remote_store, 0, sizeof(remote_store));\\n\\tphdr = sctp_get_next_param(m, offset + sizeof(struct sctp_asconf_chunk),\\n\\t\\t\\t\\t ¶m_buf, sizeof(struct sctp_paramhdr));\\n\\tif (phdr == NULL) {\\n\\t\\tSCTPDBG(SCTP_DEBUG_INPUT3, \\\"%s: failed to get asconf lookup addr\\\\n\\\",\\n\\t\\t\\t__func__);\\n\\t\\treturn NULL;\\n\\t}\\n\\tptype = (int)((uint32_t) ntohs(phdr->param_type));\\n\\t/* get the correlation address */\\n\\tswitch (ptype) {\\n#ifdef INET6\\n\\tcase SCTP_IPV6_ADDRESS:\\n\\t{\\n\\t\\t/* ipv6 address param */\\n\\t\\tstruct sctp_ipv6addr_param *p6, p6_buf;\",\n \"\\t\\tif (ntohs(phdr->param_length) != sizeof(struct sctp_ipv6addr_param)) {\\n\\t\\t\\treturn NULL;\\n\\t\\t}\\n\\t\\tp6 = (struct sctp_ipv6addr_param *)sctp_get_next_param(m,\\n\\t\\t\\t\\t\\t\\t\\t\\t offset + sizeof(struct sctp_asconf_chunk),\\n\\t\\t\\t\\t\\t\\t\\t\\t &p6_buf.ph, sizeof(p6_buf));\\n\\t\\tif (p6 == NULL) {\\n\\t\\t\\tSCTPDBG(SCTP_DEBUG_INPUT3, \\\"%s: failed to get asconf v6 lookup addr\\\\n\\\",\\n\\t\\t\\t\\t__func__);\\n\\t\\t\\treturn (NULL);\\n\\t\\t}\\n\\t\\tsin6 = &remote_store.sin6;\\n\\t\\tsin6->sin6_family = AF_INET6;\\n#ifdef HAVE_SIN6_LEN\\n\\t\\tsin6->sin6_len = sizeof(*sin6);\\n#endif\\n\\t\\tsin6->sin6_port = sh->src_port;\\n\\t\\tmemcpy(&sin6->sin6_addr, &p6->addr, sizeof(struct in6_addr));\\n\\t\\tif (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr))\\n\\t\\t\\tzero_address = 1;\\n\\t\\tbreak;\\n\\t}\\n#endif\\n#ifdef INET\\n\\tcase SCTP_IPV4_ADDRESS:\\n\\t{\\n\\t\\t/* ipv4 address param */\\n\\t\\tstruct sctp_ipv4addr_param *p4, p4_buf;\",\n \"\\t\\tif (ntohs(phdr->param_length) != sizeof(struct sctp_ipv4addr_param)) {\\n\\t\\t\\treturn NULL;\\n\\t\\t}\\n\\t\\tp4 = (struct sctp_ipv4addr_param *)sctp_get_next_param(m,\\n\\t\\t\\t\\t\\t\\t\\t\\t offset + sizeof(struct sctp_asconf_chunk),\\n\\t\\t\\t\\t\\t\\t\\t\\t &p4_buf.ph, sizeof(p4_buf));\\n\\t\\tif (p4 == NULL) {\\n\\t\\t\\tSCTPDBG(SCTP_DEBUG_INPUT3, \\\"%s: failed to get asconf v4 lookup addr\\\\n\\\",\\n\\t\\t\\t\\t__func__);\\n\\t\\t\\treturn (NULL);\\n\\t\\t}\\n\\t\\tsin = &remote_store.sin;\\n\\t\\tsin->sin_family = AF_INET;\\n#ifdef HAVE_SIN_LEN\\n\\t\\tsin->sin_len = sizeof(*sin);\\n#endif\\n\\t\\tsin->sin_port = sh->src_port;\\n\\t\\tmemcpy(&sin->sin_addr, &p4->addr, sizeof(struct in_addr));\\n\\t\\tif (sin->sin_addr.s_addr == INADDR_ANY)\\n\\t\\t\\tzero_address = 1;\\n\\t\\tbreak;\\n\\t}\\n#endif\\n\\tdefault:\\n\\t\\t/* invalid address param type */\\n\\t\\treturn NULL;\\n\\t}\",\n \"\\tif (zero_address) {\\n\\t stcb = sctp_findassoc_by_vtag(NULL, dst, ntohl(sh->v_tag), inp_p,\\n\\t\\t\\t\\t\\t netp, sh->src_port, sh->dest_port, 1, vrf_id, 0);\\n\\t\\tif (stcb != NULL) {\\n\\t\\t\\tSCTP_INP_DECR_REF(*inp_p);\\n\\t\\t}\\n\\t} else {\\n\\t\\tstcb = sctp_findassociation_ep_addr(inp_p,\\n\\t\\t &remote_store.sa, netp,\\n\\t\\t dst, NULL);\\n\\t}\\n\\treturn (stcb);\\n}\",\n \"\\n/*\\n * allocate a sctp_inpcb and setup a temporary binding to a port/all\\n * addresses. This way if we don't get a bind we by default pick a ephemeral\\n * port with all addresses bound.\\n */\\nint\\nsctp_inpcb_alloc(struct socket *so, uint32_t vrf_id)\\n{\\n\\t/*\\n\\t * we get called when a new endpoint starts up. We need to allocate\\n\\t * the sctp_inpcb structure from the zone and init it. Mark it as\\n\\t * unbound and find a port that we can use as an ephemeral with\\n\\t * INADDR_ANY. If the user binds later no problem we can then add in\\n\\t * the specific addresses. And setup the default parameters for the\\n\\t * EP.\\n\\t */\\n\\tint i, error;\\n\\tstruct sctp_inpcb *inp;\\n\\tstruct sctp_pcb *m;\\n\\tstruct timeval time;\\n\\tsctp_sharedkey_t *null_key;\",\n \"\\terror = 0;\",\n \"\\tSCTP_INP_INFO_WLOCK();\\n\\tinp = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_ep), struct sctp_inpcb);\\n\\tif (inp == NULL) {\\n\\t\\tSCTP_PRINTF(\\\"Out of SCTP-INPCB structures - no resources\\\\n\\\");\\n\\t\\tSCTP_INP_INFO_WUNLOCK();\\n\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, ENOBUFS);\\n\\t\\treturn (ENOBUFS);\\n\\t}\\n\\t/* zap it */\\n\\tmemset(inp, 0, sizeof(*inp));\",\n \"\\t/* bump generations */\\n#if defined(__APPLE__)\\n\\tinp->ip_inp.inp.inp_state = INPCB_STATE_INUSE;\\n#endif\\n\\t/* setup socket pointers */\\n\\tinp->sctp_socket = so;\\n\\tinp->ip_inp.inp.inp_socket = so;\\n#if defined(__FreeBSD__)\\n\\tinp->ip_inp.inp.inp_cred = crhold(so->so_cred);\\n#endif\\n#ifdef INET6\\n#if !defined(__Userspace__) && !defined(__Windows__)\\n\\tif (INP_SOCKAF(so) == AF_INET6) {\\n\\t\\tif (MODULE_GLOBAL(ip6_auto_flowlabel)) {\\n\\t\\t\\tinp->ip_inp.inp.inp_flags |= IN6P_AUTOFLOWLABEL;\\n\\t\\t}\\n\\t\\tif (MODULE_GLOBAL(ip6_v6only)) {\\n\\t\\t\\tinp->ip_inp.inp.inp_flags |= IN6P_IPV6_V6ONLY;\\n\\t\\t}\\n\\t}\\n#endif\\n#endif\\n\\tinp->sctp_associd_counter = 1;\\n\\tinp->partial_delivery_point = SCTP_SB_LIMIT_RCV(so) >> SCTP_PARTIAL_DELIVERY_SHIFT;\\n\\tinp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT;\\n\\tinp->max_cwnd = 0;\\n\\tinp->sctp_cmt_on_off = SCTP_BASE_SYSCTL(sctp_cmt_on_off);\\n\\tinp->ecn_supported = (uint8_t)SCTP_BASE_SYSCTL(sctp_ecn_enable);\\n\\tinp->prsctp_supported = (uint8_t)SCTP_BASE_SYSCTL(sctp_pr_enable);\\n\\tinp->auth_supported = (uint8_t)SCTP_BASE_SYSCTL(sctp_auth_enable);\\n\\tinp->asconf_supported = (uint8_t)SCTP_BASE_SYSCTL(sctp_asconf_enable);\\n\\tinp->reconfig_supported = (uint8_t)SCTP_BASE_SYSCTL(sctp_reconfig_enable);\\n\\tinp->nrsack_supported = (uint8_t)SCTP_BASE_SYSCTL(sctp_nrsack_enable);\\n\\tinp->pktdrop_supported = (uint8_t)SCTP_BASE_SYSCTL(sctp_pktdrop_enable);\\n\\tinp->idata_supported = 0;\",\n \"#if defined(__FreeBSD__)\\n\\tinp->fibnum = so->so_fibnum;\\n#else\\n\\tinp->fibnum = 0;\\n#endif\\n#if defined(__Userspace__)\\n\\tinp->ulp_info = NULL;\\n\\tinp->recv_callback = NULL;\\n\\tinp->send_callback = NULL;\\n\\tinp->send_sb_threshold = 0;\\n#endif\\n\\t/* init the small hash table we use to track asocid <-> tcb */\\n\\tinp->sctp_asocidhash = SCTP_HASH_INIT(SCTP_STACK_VTAG_HASH_SIZE, &inp->hashasocidmark);\\n\\tif (inp->sctp_asocidhash == NULL) {\\n#if defined(__FreeBSD__)\\n\\t\\tcrfree(inp->ip_inp.inp.inp_cred);\\n#endif\\n\\t\\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_ep), inp);\\n\\t\\tSCTP_INP_INFO_WUNLOCK();\\n\\t\\treturn (ENOBUFS);\\n\\t}\\n\\tSCTP_INCR_EP_COUNT();\\n\\tinp->ip_inp.inp.inp_ip_ttl = MODULE_GLOBAL(ip_defttl);\\n\\tSCTP_INP_INFO_WUNLOCK();\",\n \"\\tso->so_pcb = (caddr_t)inp;\",\n \"#if defined(__FreeBSD__) && __FreeBSD_version < 803000\\n\\tif ((SCTP_SO_TYPE(so) == SOCK_DGRAM) ||\\n\\t (SCTP_SO_TYPE(so) == SOCK_SEQPACKET)) {\\n#else\\n\\tif (SCTP_SO_TYPE(so) == SOCK_SEQPACKET) {\\n#endif\\n\\t\\t/* UDP style socket */\\n\\t\\tinp->sctp_flags = (SCTP_PCB_FLAGS_UDPTYPE |\\n\\t\\t SCTP_PCB_FLAGS_UNBOUND);\\n\\t\\t/* Be sure it is NON-BLOCKING IO for UDP */\\n\\t\\t/* SCTP_SET_SO_NBIO(so); */\\n\\t} else if (SCTP_SO_TYPE(so) == SOCK_STREAM) {\\n\\t\\t/* TCP style socket */\\n\\t\\tinp->sctp_flags = (SCTP_PCB_FLAGS_TCPTYPE |\\n\\t\\t SCTP_PCB_FLAGS_UNBOUND);\\n\\t\\t/* Be sure we have blocking IO by default */\\n\\t\\tSOCK_LOCK(so);\\n\\t\\tSCTP_CLEAR_SO_NBIO(so);\\n\\t\\tSOCK_UNLOCK(so);\\n#if defined(__Panda__)\\n\\t} else if (SCTP_SO_TYPE(so) == SOCK_FASTSEQPACKET) {\\n\\t\\tinp->sctp_flags = (SCTP_PCB_FLAGS_UDPTYPE |\\n\\t\\t SCTP_PCB_FLAGS_UNBOUND);\\n\\t} else if (SCTP_SO_TYPE(so) == SOCK_FASTSTREAM) {\\n\\t\\tinp->sctp_flags = (SCTP_PCB_FLAGS_TCPTYPE |\\n\\t\\t SCTP_PCB_FLAGS_UNBOUND);\\n#endif\\n\\t} else {\\n\\t\\t/*\\n\\t\\t * unsupported socket type (RAW, etc)- in case we missed it\\n\\t\\t * in protosw\\n\\t\\t */\\n\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EOPNOTSUPP);\\n\\t\\tso->so_pcb = NULL;\\n#if defined(__FreeBSD__)\\n\\t\\tcrfree(inp->ip_inp.inp.inp_cred);\\n#endif\\n\\t\\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_ep), inp);\\n\\t\\treturn (EOPNOTSUPP);\\n\\t}\\n\\tif (SCTP_BASE_SYSCTL(sctp_default_frag_interleave) == SCTP_FRAG_LEVEL_1) {\\n\\t\\tsctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);\\n\\t\\tsctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS);\\n\\t} else if (SCTP_BASE_SYSCTL(sctp_default_frag_interleave) == SCTP_FRAG_LEVEL_2) {\\n\\t\\tsctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);\\n\\t\\tsctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS);\\n\\t} else if (SCTP_BASE_SYSCTL(sctp_default_frag_interleave) == SCTP_FRAG_LEVEL_0) {\\n\\t\\tsctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);\\n\\t\\tsctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS);\\n\\t}\\n\\tinp->sctp_tcbhash = SCTP_HASH_INIT(SCTP_BASE_SYSCTL(sctp_pcbtblsize),\\n\\t\\t\\t\\t\\t &inp->sctp_hashmark);\\n\\tif (inp->sctp_tcbhash == NULL) {\\n\\t\\tSCTP_PRINTF(\\\"Out of SCTP-INPCB->hashinit - no resources\\\\n\\\");\\n\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, ENOBUFS);\\n\\t\\tso->so_pcb = NULL;\\n#if defined(__FreeBSD__)\\n\\t\\tcrfree(inp->ip_inp.inp.inp_cred);\\n#endif\\n\\t\\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_ep), inp);\\n\\t\\treturn (ENOBUFS);\\n\\t}\\n#ifdef SCTP_MVRF\\n\\tinp->vrf_size = SCTP_DEFAULT_VRF_SIZE;\\n\\tSCTP_MALLOC(inp->m_vrf_ids, uint32_t *,\\n\\t\\t (sizeof(uint32_t) * inp->vrf_size), SCTP_M_MVRF);\\n\\tif (inp->m_vrf_ids == NULL) {\\n\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, ENOBUFS);\\n\\t\\tso->so_pcb = NULL;\\n\\t\\tSCTP_HASH_FREE(inp->sctp_tcbhash, inp->sctp_hashmark);\\n#if defined(__FreeBSD__)\\n\\t\\tcrfree(inp->ip_inp.inp.inp_cred);\\n#endif\\n\\t\\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_ep), inp);\\n\\t\\treturn (ENOBUFS);\\n\\t}\\n\\tinp->m_vrf_ids[0] = vrf_id;\\n\\tinp->num_vrfs = 1;\\n#endif\\n\\tinp->def_vrf_id = vrf_id;\",\n \"#if defined(__APPLE__)\\n#if defined(APPLE_LEOPARD) || defined(APPLE_SNOWLEOPARD)\\n\\tinp->ip_inp.inp.inpcb_mtx = lck_mtx_alloc_init(SCTP_BASE_INFO(sctbinfo).mtx_grp, SCTP_BASE_INFO(sctbinfo).mtx_attr);\\n\\tif (inp->ip_inp.inp.inpcb_mtx == NULL) {\\n\\t\\tSCTP_PRINTF(\\\"in_pcballoc: can't alloc mutex! so=%p\\\\n\\\", (void *)so);\\n#ifdef SCTP_MVRF\\n\\t\\tSCTP_FREE(inp->m_vrf_ids, SCTP_M_MVRF);\\n#endif\\n\\t\\tSCTP_HASH_FREE(inp->sctp_tcbhash, inp->sctp_hashmark);\\n\\t\\tso->so_pcb = NULL;\\n\\t\\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_ep), inp);\\n\\t\\tSCTP_UNLOCK_EXC(SCTP_BASE_INFO(sctbinfo).ipi_lock);\\n\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, ENOMEM);\\n\\t\\treturn (ENOMEM);\\n\\t}\\n#elif defined(APPLE_LION) || defined(APPLE_MOUNTAINLION)\\n\\tlck_mtx_init(&inp->ip_inp.inp.inpcb_mtx, SCTP_BASE_INFO(sctbinfo).mtx_grp, SCTP_BASE_INFO(sctbinfo).mtx_attr);\\n#else\\n\\tlck_mtx_init(&inp->ip_inp.inp.inpcb_mtx, SCTP_BASE_INFO(sctbinfo).ipi_lock_grp, SCTP_BASE_INFO(sctbinfo).ipi_lock_attr);\\n#endif\\n#endif\\n\\tSCTP_INP_INFO_WLOCK();\\n\\tSCTP_INP_LOCK_INIT(inp);\\n#if defined(__FreeBSD__)\\n\\tINP_LOCK_INIT(&inp->ip_inp.inp, \\\"inp\\\", \\\"sctpinp\\\");\\n#endif\\n\\tSCTP_INP_READ_INIT(inp);\\n\\tSCTP_ASOC_CREATE_LOCK_INIT(inp);\\n\\t/* lock the new ep */\\n\\tSCTP_INP_WLOCK(inp);\",\n \"\\t/* add it to the info area */\\n\\tLIST_INSERT_HEAD(&SCTP_BASE_INFO(listhead), inp, sctp_list);\\n#if defined(__APPLE__)\\n\\tinp->ip_inp.inp.inp_pcbinfo = &SCTP_BASE_INFO(sctbinfo);\\n#if defined(APPLE_LEOPARD) || defined(APPLE_SNOWLEOPARD) || defined(APPLE_LION) || defined(APPLE_MOUNTAINLION)\\n\\tLIST_INSERT_HEAD(SCTP_BASE_INFO(sctbinfo).listhead, &inp->ip_inp.inp, inp_list);\\n#else\\n\\tLIST_INSERT_HEAD(SCTP_BASE_INFO(sctbinfo).ipi_listhead, &inp->ip_inp.inp, inp_list);\\n#endif\\n#endif\\n\\tSCTP_INP_INFO_WUNLOCK();\",\n \"\\tTAILQ_INIT(&inp->read_queue);\\n\\tLIST_INIT(&inp->sctp_addr_list);\",\n \"\\tLIST_INIT(&inp->sctp_asoc_list);\",\n \"#ifdef SCTP_TRACK_FREED_ASOCS\\n\\t/* TEMP CODE */\\n\\tLIST_INIT(&inp->sctp_asoc_free_list);\\n#endif\\n\\t/* Init the timer structure for signature change */\\n\\tSCTP_OS_TIMER_INIT(&inp->sctp_ep.signature_change.timer);\\n\\tinp->sctp_ep.signature_change.type = SCTP_TIMER_TYPE_NEWCOOKIE;\",\n \"\\t/* now init the actual endpoint default data */\\n\\tm = &inp->sctp_ep;\",\n \"\\t/* setup the base timeout information */\\n\\tm->sctp_timeoutticks[SCTP_TIMER_SEND] = SEC_TO_TICKS(SCTP_SEND_SEC);\\t/* needed ? */\\n\\tm->sctp_timeoutticks[SCTP_TIMER_INIT] = SEC_TO_TICKS(SCTP_INIT_SEC);\\t/* needed ? */\\n\\tm->sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default));\\n\\tm->sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default));\\n\\tm->sctp_timeoutticks[SCTP_TIMER_PMTU] = SEC_TO_TICKS(SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default));\\n\\tm->sctp_timeoutticks[SCTP_TIMER_MAXSHUTDOWN] = SEC_TO_TICKS(SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default));\\n\\tm->sctp_timeoutticks[SCTP_TIMER_SIGNATURE] = SEC_TO_TICKS(SCTP_BASE_SYSCTL(sctp_secret_lifetime_default));\\n\\t/* all max/min max are in ms */\\n\\tm->sctp_maxrto = SCTP_BASE_SYSCTL(sctp_rto_max_default);\\n\\tm->sctp_minrto = SCTP_BASE_SYSCTL(sctp_rto_min_default);\\n\\tm->initial_rto = SCTP_BASE_SYSCTL(sctp_rto_initial_default);\\n\\tm->initial_init_rto_max = SCTP_BASE_SYSCTL(sctp_init_rto_max_default);\\n\\tm->sctp_sack_freq = SCTP_BASE_SYSCTL(sctp_sack_freq_default);\\n\\tm->max_init_times = SCTP_BASE_SYSCTL(sctp_init_rtx_max_default);\\n\\tm->max_send_times = SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default);\\n\\tm->def_net_failure = SCTP_BASE_SYSCTL(sctp_path_rtx_max_default);\\n\\tm->def_net_pf_threshold = SCTP_BASE_SYSCTL(sctp_path_pf_threshold);\\n\\tm->sctp_sws_sender = SCTP_SWS_SENDER_DEF;\\n\\tm->sctp_sws_receiver = SCTP_SWS_RECEIVER_DEF;\\n\\tm->max_burst = SCTP_BASE_SYSCTL(sctp_max_burst_default);\\n\\tm->fr_max_burst = SCTP_BASE_SYSCTL(sctp_fr_max_burst_default);\",\n \"\\tm->sctp_default_cc_module = SCTP_BASE_SYSCTL(sctp_default_cc_module);\\n\\tm->sctp_default_ss_module = SCTP_BASE_SYSCTL(sctp_default_ss_module);\\n\\tm->max_open_streams_intome = SCTP_BASE_SYSCTL(sctp_nr_incoming_streams_default);\\n\\t/* number of streams to pre-open on a association */\\n\\tm->pre_open_stream_count = SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default);\",\n \"\\tm->default_mtu = 0;\\n\\t/* Add adaptation cookie */\\n\\tm->adaptation_layer_indicator = 0;\\n\\tm->adaptation_layer_indicator_provided = 0;\",\n \"\\t/* seed random number generator */\\n\\tm->random_counter = 1;\\n\\tm->store_at = SCTP_SIGNATURE_SIZE;\\n\\tSCTP_READ_RANDOM(m->random_numbers, sizeof(m->random_numbers));\\n\\tsctp_fill_random_store(m);\",\n \"\\t/* Minimum cookie size */\\n\\tm->size_of_a_cookie = (sizeof(struct sctp_init_msg) * 2) +\\n\\t sizeof(struct sctp_state_cookie);\\n\\tm->size_of_a_cookie += SCTP_SIGNATURE_SIZE;\",\n \"\\t/* Setup the initial secret */\\n\\t(void)SCTP_GETTIME_TIMEVAL(&time);\\n\\tm->time_of_secret_change = time.tv_sec;\",\n \"\\tfor (i = 0; i < SCTP_NUMBER_OF_SECRETS; i++) {\\n\\t\\tm->secret_key[0][i] = sctp_select_initial_TSN(m);\\n\\t}\\n\\tsctp_timer_start(SCTP_TIMER_TYPE_NEWCOOKIE, inp, NULL, NULL);\",\n \"\\t/* How long is a cookie good for ? */\\n\\tm->def_cookie_life = MSEC_TO_TICKS(SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default));\\n\\t/*\\n\\t * Initialize authentication parameters\\n\\t */\\n\\tm->local_hmacs = sctp_default_supported_hmaclist();\\n\\tm->local_auth_chunks = sctp_alloc_chunklist();\\n\\tif (inp->asconf_supported) {\\n\\t\\tsctp_auth_add_chunk(SCTP_ASCONF, m->local_auth_chunks);\\n\\t\\tsctp_auth_add_chunk(SCTP_ASCONF_ACK, m->local_auth_chunks);\\n\\t}\\n\\tm->default_dscp = 0;\\n#ifdef INET6\\n\\tm->default_flowlabel = 0;\\n#endif\\n\\tm->port = 0; /* encapsulation disabled by default */\\n\\tLIST_INIT(&m->shared_keys);\\n\\t/* add default NULL key as key id 0 */\\n\\tnull_key = sctp_alloc_sharedkey();\\n\\tsctp_insert_sharedkey(&m->shared_keys, null_key);\\n\\tSCTP_INP_WUNLOCK(inp);\\n#ifdef SCTP_LOG_CLOSING\\n\\tsctp_log_closing(inp, NULL, 12);\\n#endif\\n\\treturn (error);\\n}\",\n \"\\nvoid\\nsctp_move_pcb_and_assoc(struct sctp_inpcb *old_inp, struct sctp_inpcb *new_inp,\\n struct sctp_tcb *stcb)\\n{\\n\\tstruct sctp_nets *net;\\n\\tuint16_t lport, rport;\\n\\tstruct sctppcbhead *head;\\n\\tstruct sctp_laddr *laddr, *oladdr;\",\n \"\\tatomic_add_int(&stcb->asoc.refcnt, 1);\\n\\tSCTP_TCB_UNLOCK(stcb);\\n\\tSCTP_INP_INFO_WLOCK();\\n\\tSCTP_INP_WLOCK(old_inp);\\n\\tSCTP_INP_WLOCK(new_inp);\\n\\tSCTP_TCB_LOCK(stcb);\\n\\tatomic_subtract_int(&stcb->asoc.refcnt, 1);\",\n \"\\tnew_inp->sctp_ep.time_of_secret_change =\\n\\t old_inp->sctp_ep.time_of_secret_change;\\n\\tmemcpy(new_inp->sctp_ep.secret_key, old_inp->sctp_ep.secret_key,\\n\\t sizeof(old_inp->sctp_ep.secret_key));\\n\\tnew_inp->sctp_ep.current_secret_number =\\n\\t old_inp->sctp_ep.current_secret_number;\\n\\tnew_inp->sctp_ep.last_secret_number =\\n\\t old_inp->sctp_ep.last_secret_number;\\n\\tnew_inp->sctp_ep.size_of_a_cookie = old_inp->sctp_ep.size_of_a_cookie;\",\n \"\\t/* make it so new data pours into the new socket */\\n\\tstcb->sctp_socket = new_inp->sctp_socket;\\n\\tstcb->sctp_ep = new_inp;\",\n \"\\t/* Copy the port across */\\n\\tlport = new_inp->sctp_lport = old_inp->sctp_lport;\\n\\trport = stcb->rport;\\n\\t/* Pull the tcb from the old association */\\n\\tLIST_REMOVE(stcb, sctp_tcbhash);\\n\\tLIST_REMOVE(stcb, sctp_tcblist);\\n\\tif (stcb->asoc.in_asocid_hash) {\\n\\t\\tLIST_REMOVE(stcb, sctp_tcbasocidhash);\\n\\t}\\n\\t/* Now insert the new_inp into the TCP connected hash */\\n\\thead = &SCTP_BASE_INFO(sctp_tcpephash)[SCTP_PCBHASH_ALLADDR((lport | rport), SCTP_BASE_INFO(hashtcpmark))];\",\n \"\\tLIST_INSERT_HEAD(head, new_inp, sctp_hash);\\n\\t/* Its safe to access */\\n\\tnew_inp->sctp_flags &= ~SCTP_PCB_FLAGS_UNBOUND;\",\n \"\\t/* Now move the tcb into the endpoint list */\\n\\tLIST_INSERT_HEAD(&new_inp->sctp_asoc_list, stcb, sctp_tcblist);\\n\\t/*\\n\\t * Question, do we even need to worry about the ep-hash since we\\n\\t * only have one connection? Probably not :> so lets get rid of it\\n\\t * and not suck up any kernel memory in that.\\n\\t */\\n\\tif (stcb->asoc.in_asocid_hash) {\\n\\t\\tstruct sctpasochead *lhd;\\n\\t\\tlhd = &new_inp->sctp_asocidhash[SCTP_PCBHASH_ASOC(stcb->asoc.assoc_id,\\n\\t\\t\\tnew_inp->hashasocidmark)];\\n\\t\\tLIST_INSERT_HEAD(lhd, stcb, sctp_tcbasocidhash);\\n\\t}\\n\\t/* Ok. Let's restart timer. */\\n\\tTAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {\\n\\t\\tsctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, new_inp,\\n\\t\\t stcb, net);\\n\\t}\",\n \"\\tSCTP_INP_INFO_WUNLOCK();\\n\\tif (new_inp->sctp_tcbhash != NULL) {\\n\\t\\tSCTP_HASH_FREE(new_inp->sctp_tcbhash, new_inp->sctp_hashmark);\\n\\t\\tnew_inp->sctp_tcbhash = NULL;\\n\\t}\\n\\tif ((new_inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) {\\n\\t\\t/* Subset bound, so copy in the laddr list from the old_inp */\\n\\t\\tLIST_FOREACH(oladdr, &old_inp->sctp_addr_list, sctp_nxt_addr) {\\n\\t\\t\\tladdr = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_laddr), struct sctp_laddr);\\n\\t\\t\\tif (laddr == NULL) {\\n\\t\\t\\t\\t/*\\n\\t\\t\\t\\t * Gak, what can we do? This assoc is really\\n\\t\\t\\t\\t * HOSED. We probably should send an abort\\n\\t\\t\\t\\t * here.\\n\\t\\t\\t\\t */\\n\\t\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB1, \\\"Association hosed in TCP model, out of laddr memory\\\\n\\\");\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\tSCTP_INCR_LADDR_COUNT();\\n\\t\\t\\tmemset(laddr, 0, sizeof(*laddr));\\n\\t\\t\\t(void)SCTP_GETTIME_TIMEVAL(&laddr->start_time);\\n\\t\\t\\tladdr->ifa = oladdr->ifa;\\n\\t\\t\\tatomic_add_int(&laddr->ifa->refcount, 1);\\n\\t\\t\\tLIST_INSERT_HEAD(&new_inp->sctp_addr_list, laddr,\\n\\t\\t\\t sctp_nxt_addr);\\n\\t\\t\\tnew_inp->laddr_count++;\\n\\t\\t\\tif (oladdr == stcb->asoc.last_used_address) {\\n\\t\\t\\t\\tstcb->asoc.last_used_address = laddr;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n\\t/* Now any running timers need to be adjusted\\n\\t * since we really don't care if they are running\\n\\t * or not just blast in the new_inp into all of\\n\\t * them.\\n\\t */\",\n \"\\tstcb->asoc.dack_timer.ep = (void *)new_inp;\\n\\tstcb->asoc.asconf_timer.ep = (void *)new_inp;\\n\\tstcb->asoc.strreset_timer.ep = (void *)new_inp;\\n\\tstcb->asoc.shut_guard_timer.ep = (void *)new_inp;\\n\\tstcb->asoc.autoclose_timer.ep = (void *)new_inp;\\n\\tstcb->asoc.delayed_event_timer.ep = (void *)new_inp;\\n\\tstcb->asoc.delete_prim_timer.ep = (void *)new_inp;\\n\\t/* now what about the nets? */\\n\\tTAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {\\n\\t\\tnet->pmtu_timer.ep = (void *)new_inp;\\n\\t\\tnet->hb_timer.ep = (void *)new_inp;\\n\\t\\tnet->rxt_timer.ep = (void *)new_inp;\\n\\t}\\n\\tSCTP_INP_WUNLOCK(new_inp);\\n\\tSCTP_INP_WUNLOCK(old_inp);\\n}\",\n \"/*\\n * insert an laddr entry with the given ifa for the desired list\\n */\\nstatic int\\nsctp_insert_laddr(struct sctpladdr *list, struct sctp_ifa *ifa, uint32_t act)\\n{\\n\\tstruct sctp_laddr *laddr;\",\n \"\\tladdr = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_laddr), struct sctp_laddr);\\n\\tif (laddr == NULL) {\\n\\t\\t/* out of memory? */\\n\\t\\tSCTP_LTRACE_ERR_RET(NULL, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\\n\\t\\treturn (EINVAL);\\n\\t}\\n\\tSCTP_INCR_LADDR_COUNT();\\n\\tmemset(laddr, 0, sizeof(*laddr));\\n\\t(void)SCTP_GETTIME_TIMEVAL(&laddr->start_time);\\n\\tladdr->ifa = ifa;\\n\\tladdr->action = act;\\n\\tatomic_add_int(&ifa->refcount, 1);\\n\\t/* insert it */\\n\\tLIST_INSERT_HEAD(list, laddr, sctp_nxt_addr);\",\n \"\\treturn (0);\\n}\",\n \"/*\\n * Remove an laddr entry from the local address list (on an assoc)\\n */\\nstatic void\\nsctp_remove_laddr(struct sctp_laddr *laddr)\\n{\",\n \"\\t/* remove from the list */\\n\\tLIST_REMOVE(laddr, sctp_nxt_addr);\\n\\tsctp_free_ifa(laddr->ifa);\\n\\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_laddr), laddr);\\n\\tSCTP_DECR_LADDR_COUNT();\\n}\",\n \"#if !(defined(__FreeBSD__) || defined(__APPLE__) || defined(__Userspace__))\\n/*\\n * Don't know why, but without this there is an unknown reference when\\n * compiling NetBSD... hmm\\n */\\nextern void in6_sin6_2_sin(struct sockaddr_in *, struct sockaddr_in6 *sin6);\\n#endif\",\n \"\\n/* sctp_ifap is used to bypass normal local address validation checks */\\nint\\n#if defined(__FreeBSD__) && __FreeBSD_version >= 500000\\nsctp_inpcb_bind(struct socket *so, struct sockaddr *addr,\\n struct sctp_ifa *sctp_ifap, struct thread *p)\\n#elif defined(__Windows__)\\nsctp_inpcb_bind(struct socket *so, struct sockaddr *addr,\\n struct sctp_ifa *sctp_ifap, PKTHREAD p)\\n#else\\nsctp_inpcb_bind(struct socket *so, struct sockaddr *addr,\\n struct sctp_ifa *sctp_ifap, struct proc *p)\\n#endif\\n{\\n\\t/* bind a ep to a socket address */\\n\\tstruct sctppcbhead *head;\\n\\tstruct sctp_inpcb *inp, *inp_tmp;\\n#if defined(__FreeBSD__) || defined(__APPLE__)\\n\\tstruct inpcb *ip_inp;\\n#endif\\n\\tint port_reuse_active = 0;\\n\\tint bindall;\\n#ifdef SCTP_MVRF\\n\\tint i;\\n#endif\\n\\tuint16_t lport;\\n\\tint error;\\n\\tuint32_t vrf_id;\",\n \"\\tlport = 0;\\n\\tbindall = 1;\\n\\tinp = (struct sctp_inpcb *)so->so_pcb;\\n#if defined(__FreeBSD__) || defined(__APPLE__)\\n\\tip_inp = (struct inpcb *)so->so_pcb;\\n#endif\\n#ifdef SCTP_DEBUG\\n\\tif (addr) {\\n\\t\\tSCTPDBG(SCTP_DEBUG_PCB1, \\\"Bind called port: %d\\\\n\\\",\\n\\t\\t\\tntohs(((struct sockaddr_in *)addr)->sin_port));\\n\\t\\tSCTPDBG(SCTP_DEBUG_PCB1, \\\"Addr: \\\");\\n\\t\\tSCTPDBG_ADDR(SCTP_DEBUG_PCB1, addr);\\n\\t}\\n#endif\\n\\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) {\\n\\t\\t/* already did a bind, subsequent binds NOT allowed ! */\\n\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\\n\\t\\treturn (EINVAL);\\n\\t}\\n#if defined(__FreeBSD__) && __FreeBSD_version >= 500000\\n#ifdef INVARIANTS\\n\\tif (p == NULL)\\n\\t\\tpanic(\\\"null proc/thread\\\");\\n#endif\\n#endif\\n\\tif (addr != NULL) {\\n\\t\\tswitch (addr->sa_family) {\\n#ifdef INET\\n\\t\\tcase AF_INET:\\n\\t\\t{\\n\\t\\t\\tstruct sockaddr_in *sin;\",\n \"\\t\\t\\t/* IPV6_V6ONLY socket? */\\n\\t\\t\\tif (SCTP_IPV6_V6ONLY(inp)) {\\n\\t\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\\n\\t\\t\\t\\treturn (EINVAL);\\n\\t\\t\\t}\\n#ifdef HAVE_SA_LEN\\n\\t\\t\\tif (addr->sa_len != sizeof(*sin)) {\\n\\t\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\\n\\t\\t\\t\\treturn (EINVAL);\\n\\t\\t\\t}\\n#endif\",\n \"\\t\\t\\tsin = (struct sockaddr_in *)addr;\\n\\t\\t\\tlport = sin->sin_port;\\n#if defined(__FreeBSD__) && __FreeBSD_version >= 800000\\n\\t\\t\\t/*\\n\\t\\t\\t * For LOOPBACK the prison_local_ip4() call will transmute the ip address\\n\\t\\t\\t * to the proper value.\\n\\t\\t\\t */\\n\\t\\t\\tif (p && (error = prison_local_ip4(p->td_ucred, &sin->sin_addr)) != 0) {\\n\\t\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, error);\\n\\t\\t\\t\\treturn (error);\\n\\t\\t\\t}\\n#endif\\n\\t\\t\\tif (sin->sin_addr.s_addr != INADDR_ANY) {\\n\\t\\t\\t\\tbindall = 0;\\n\\t\\t\\t}\\n\\t\\t\\tbreak;\\n\\t\\t}\\n#endif\\n#ifdef INET6\\n\\t\\tcase AF_INET6:\\n\\t\\t{\\n\\t\\t\\t/* Only for pure IPv6 Address. (No IPv4 Mapped!) */\\n\\t\\t\\tstruct sockaddr_in6 *sin6;\",\n \"\\t\\t\\tsin6 = (struct sockaddr_in6 *)addr;\",\n \"#ifdef HAVE_SA_LEN\\n\\t\\t\\tif (addr->sa_len != sizeof(*sin6)) {\\n\\t\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\\n\\t\\t\\t\\treturn (EINVAL);\\n\\t\\t\\t}\\n#endif\\n\\t\\t\\tlport = sin6->sin6_port;\\n#if defined(__FreeBSD__) && __FreeBSD_version >= 800000\\n\\t\\t\\t/*\\n\\t\\t\\t * For LOOPBACK the prison_local_ip6() call will transmute the ipv6 address\\n\\t\\t\\t * to the proper value.\\n\\t\\t\\t */\\n\\t\\t\\tif (p && (error = prison_local_ip6(p->td_ucred, &sin6->sin6_addr,\\n\\t\\t\\t (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) {\\n\\t\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, error);\\n\\t\\t\\t\\treturn (error);\\n\\t\\t\\t}\\n#endif\\n\\t\\t\\tif (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {\\n\\t\\t\\t\\tbindall = 0;\\n#ifdef SCTP_EMBEDDED_V6_SCOPE\\n\\t\\t\\t\\t/* KAME hack: embed scopeid */\\n#if defined(SCTP_KAME)\\n\\t\\t\\t\\tif (sa6_embedscope(sin6, MODULE_GLOBAL(ip6_use_defzone)) != 0) {\\n\\t\\t\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\\n\\t\\t\\t\\t\\treturn (EINVAL);\\n\\t\\t\\t\\t}\\n#elif defined(__APPLE__)\\n#if defined(APPLE_LEOPARD) || defined(APPLE_SNOWLEOPARD)\\n\\t\\t\\t\\tif (in6_embedscope(&sin6->sin6_addr, sin6, ip_inp, NULL) != 0) {\\n#else\\n\\t\\t\\t\\tif (in6_embedscope(&sin6->sin6_addr, sin6, ip_inp, NULL, NULL) != 0) {\\n#endif\\n\\t\\t\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\\n\\t\\t\\t\\t\\treturn (EINVAL);\\n\\t\\t\\t\\t}\\n#elif defined(__FreeBSD__)\\n\\t\\t\\t\\terror = scope6_check_id(sin6, MODULE_GLOBAL(ip6_use_defzone));\\n\\t\\t\\t\\tif (error != 0) {\\n\\t\\t\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, error);\\n\\t\\t\\t\\t\\treturn (error);\\n\\t\\t\\t\\t}\\n#else\\n\\t\\t\\t\\tif (in6_embedscope(&sin6->sin6_addr, sin6) != 0) {\\n\\t\\t\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\\n\\t\\t\\t\\t\\treturn (EINVAL);\\n\\t\\t\\t\\t}\\n#endif\\n#endif /* SCTP_EMBEDDED_V6_SCOPE */\\n\\t\\t\\t}\\n#ifndef SCOPEDROUTING\\n\\t\\t\\t/* this must be cleared for ifa_ifwithaddr() */\\n\\t\\t\\tsin6->sin6_scope_id = 0;\\n#endif /* SCOPEDROUTING */\\n\\t\\t\\tbreak;\\n\\t\\t}\\n#endif\\n#if defined(__Userspace__)\\n\\t\\tcase AF_CONN:\\n\\t\\t{\\n\\t\\t\\tstruct sockaddr_conn *sconn;\",\n \"#ifdef HAVE_SA_LEN\\n\\t\\t\\tif (addr->sa_len != sizeof(struct sockaddr_conn)) {\\n\\t\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\\n\\t\\t\\t\\treturn (EINVAL);\\n\\t\\t\\t}\\n#endif\\n\\t\\t\\tsconn = (struct sockaddr_conn *)addr;\\n\\t\\t\\tlport = sconn->sconn_port;\\n\\t\\t\\tif (sconn->sconn_addr != NULL) {\\n\\t\\t\\t\\tbindall = 0;\\n\\t\\t\\t}\\n\\t\\t\\tbreak;\\n\\t\\t}\\n#endif\\n\\t\\tdefault:\\n\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EAFNOSUPPORT);\\n\\t\\t\\treturn (EAFNOSUPPORT);\\n\\t\\t}\\n\\t}\\n\\tSCTP_INP_INFO_WLOCK();\\n\\tSCTP_INP_WLOCK(inp);\\n\\t/* Setup a vrf_id to be the default for the non-bind-all case. */\\n\\tvrf_id = inp->def_vrf_id;\",\n \"\\t/* increase our count due to the unlock we do */\\n\\tSCTP_INP_INCR_REF(inp);\\n\\tif (lport) {\\n\\t\\t/*\\n\\t\\t * Did the caller specify a port? if so we must see if an ep\\n\\t\\t * already has this one bound.\\n\\t\\t */\\n\\t\\t/* got to be root to get at low ports */\\n#if !defined(__Windows__)\\n\\t\\tif (ntohs(lport) < IPPORT_RESERVED) {\\n\\t\\t\\tif ((p != NULL) && ((error =\\n#ifdef __FreeBSD__\\n#if __FreeBSD_version > 602000\\n\\t\\t\\t\\t priv_check(p, PRIV_NETINET_RESERVEDPORT)\\n#elif __FreeBSD_version >= 500000\\n\\t\\t\\t\\t suser_cred(p->td_ucred, 0)\\n#else\\n\\t\\t\\t\\t suser(p)\\n#endif\\n#elif defined(__APPLE__)\\n\\t\\t\\t\\t suser(p->p_ucred, &p->p_acflag)\\n#elif defined(__Userspace__) /* must be true to use raw socket */\\n\\t\\t\\t\\t 1\\n#else\\n\\t\\t\\t\\t suser(p, 0)\\n#endif\\n\\t\\t\\t\\t ) != 0)) {\\n\\t\\t\\t\\tSCTP_INP_DECR_REF(inp);\\n\\t\\t\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t\\t\\t\\tSCTP_INP_INFO_WUNLOCK();\\n\\t\\t\\t\\treturn (error);\\n\\t\\t\\t}\\n#if defined(__Panda__)\\n\\t\\t\\tif (!SCTP_IS_PRIVILEDGED(so)) {\\n\\t\\t\\t\\tSCTP_INP_DECR_REF(inp);\\n\\t\\t\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t\\t\\t\\tSCTP_INP_INFO_WUNLOCK();\\n\\t\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EACCES);\\n\\t\\t\\t\\treturn (EACCES);\\n\\t\\t\\t}\\n#endif\\n\\t\\t}\\n#endif /* __Windows__ */\\n\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t\\tif (bindall) {\\n#ifdef SCTP_MVRF\\n\\t\\t\\tfor (i = 0; i < inp->num_vrfs; i++) {\\n\\t\\t\\t\\tvrf_id = inp->m_vrf_ids[i];\\n#else\\n\\t\\t\\t\\tvrf_id = inp->def_vrf_id;\\n#endif\\n\\t\\t\\t\\tinp_tmp = sctp_pcb_findep(addr, 0, 1, vrf_id);\\n\\t\\t\\t\\tif (inp_tmp != NULL) {\\n\\t\\t\\t\\t\\t/*\\n\\t\\t\\t\\t\\t * lock guy returned and lower count\\n\\t\\t\\t\\t\\t * note that we are not bound so\\n\\t\\t\\t\\t\\t * inp_tmp should NEVER be inp. And\\n\\t\\t\\t\\t\\t * it is this inp (inp_tmp) that gets\\n\\t\\t\\t\\t\\t * the reference bump, so we must\\n\\t\\t\\t\\t\\t * lower it.\\n\\t\\t\\t\\t\\t */\\n\\t\\t\\t\\t\\tSCTP_INP_DECR_REF(inp_tmp);\\n\\t\\t\\t\\t\\t/* unlock info */\\n\\t\\t\\t\\t\\tif ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) &&\\n\\t\\t\\t\\t\\t (sctp_is_feature_on(inp_tmp, SCTP_PCB_FLAGS_PORTREUSE))) {\\n\\t\\t\\t\\t\\t\\t/* Ok, must be one-2-one and allowing port re-use */\\n\\t\\t\\t\\t\\t\\tport_reuse_active = 1;\\n\\t\\t\\t\\t\\t\\tgoto continue_anyway;\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tSCTP_INP_DECR_REF(inp);\\n\\t\\t\\t\\t\\tSCTP_INP_INFO_WUNLOCK();\\n\\t\\t\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EADDRINUSE);\\n\\t\\t\\t\\t\\treturn (EADDRINUSE);\\n\\t\\t\\t\\t}\\n#ifdef SCTP_MVRF\\n\\t\\t\\t}\\n#endif\\n\\t\\t} else {\\n\\t\\t\\tinp_tmp = sctp_pcb_findep(addr, 0, 1, vrf_id);\\n\\t\\t\\tif (inp_tmp != NULL) {\\n\\t\\t\\t\\t/*\\n\\t\\t\\t\\t * lock guy returned and lower count note\\n\\t\\t\\t\\t * that we are not bound so inp_tmp should\\n\\t\\t\\t\\t * NEVER be inp. And it is this inp (inp_tmp)\\n\\t\\t\\t\\t * that gets the reference bump, so we must\\n\\t\\t\\t\\t * lower it.\\n\\t\\t\\t\\t */\\n\\t\\t\\t\\tSCTP_INP_DECR_REF(inp_tmp);\\n\\t\\t\\t\\t/* unlock info */\\n\\t\\t\\t\\tif ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) &&\\n\\t\\t\\t\\t (sctp_is_feature_on(inp_tmp, SCTP_PCB_FLAGS_PORTREUSE))) {\\n\\t\\t\\t\\t\\t/* Ok, must be one-2-one and allowing port re-use */\\n\\t\\t\\t\\t\\tport_reuse_active = 1;\\n\\t\\t\\t\\t\\tgoto continue_anyway;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tSCTP_INP_DECR_REF(inp);\\n\\t\\t\\t\\tSCTP_INP_INFO_WUNLOCK();\\n\\t\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EADDRINUSE);\\n\\t\\t\\t\\treturn (EADDRINUSE);\\n\\t\\t\\t}\\n\\t\\t}\\n\\tcontinue_anyway:\\n\\t\\tSCTP_INP_WLOCK(inp);\\n\\t\\tif (bindall) {\\n\\t\\t\\t/* verify that no lport is not used by a singleton */\\n\\t\\t\\tif ((port_reuse_active == 0) &&\\n\\t\\t\\t (inp_tmp = sctp_isport_inuse(inp, lport, vrf_id))) {\\n\\t\\t\\t\\t/* Sorry someone already has this one bound */\\n\\t\\t\\t\\tif ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) &&\\n\\t\\t\\t\\t (sctp_is_feature_on(inp_tmp, SCTP_PCB_FLAGS_PORTREUSE))) {\\n\\t\\t\\t\\t\\tport_reuse_active = 1;\\n\\t\\t\\t\\t} else {\\n\\t\\t\\t\\t\\tSCTP_INP_DECR_REF(inp);\\n\\t\\t\\t\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t\\t\\t\\t\\tSCTP_INP_INFO_WUNLOCK();\\n\\t\\t\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EADDRINUSE);\\n\\t\\t\\t\\t\\treturn (EADDRINUSE);\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t}\\n\\t} else {\\n\\t\\tuint16_t first, last, candidate;\\n\\t\\tuint16_t count;\\n\\t\\tint done;\",\n \"#if defined(__Windows__)\\n\\t\\tfirst = 1;\\n\\t\\tlast = 0xffff;\\n#else\\n#if defined(__Userspace__)\\n\\t\\t/* TODO ensure uid is 0, etc... */\\n#elif defined(__FreeBSD__) || defined(__APPLE__)\\n\\t\\tif (ip_inp->inp_flags & INP_HIGHPORT) {\\n\\t\\t\\tfirst = MODULE_GLOBAL(ipport_hifirstauto);\\n\\t\\t\\tlast = MODULE_GLOBAL(ipport_hilastauto);\\n\\t\\t} else if (ip_inp->inp_flags & INP_LOWPORT) {\\n\\t\\t\\tif (p && (error =\\n#ifdef __FreeBSD__\\n#if __FreeBSD_version > 602000\\n\\t\\t\\t\\t priv_check(p, PRIV_NETINET_RESERVEDPORT)\\n#elif __FreeBSD_version >= 500000\\n\\t\\t\\t\\t suser_cred(p->td_ucred, 0)\\n#else\\n\\t\\t\\t\\t suser(p)\\n#endif\\n#elif defined(__APPLE__)\\n\\t\\t\\t\\t suser(p->p_ucred, &p->p_acflag)\\n#else\\n\\t\\t\\t\\t suser(p, 0)\\n#endif\\n\\t\\t\\t\\t )) {\\n\\t\\t\\t\\tSCTP_INP_DECR_REF(inp);\\n\\t\\t\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t\\t\\t\\tSCTP_INP_INFO_WUNLOCK();\\n\\t\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, error);\\n\\t\\t\\t\\treturn (error);\\n\\t\\t\\t}\\n\\t\\t\\tfirst = MODULE_GLOBAL(ipport_lowfirstauto);\\n\\t\\t\\tlast = MODULE_GLOBAL(ipport_lowlastauto);\\n\\t\\t} else {\\n#endif\\n\\t\\t\\tfirst = MODULE_GLOBAL(ipport_firstauto);\\n\\t\\t\\tlast = MODULE_GLOBAL(ipport_lastauto);\\n#if defined(__FreeBSD__) || defined(__APPLE__)\\n\\t\\t}\\n#endif\\n#endif /* __Windows__ */\\n\\t\\tif (first > last) {\\n\\t\\t\\tuint16_t temp;\",\n \"\\t\\t\\ttemp = first;\\n\\t\\t\\tfirst = last;\\n\\t\\t\\tlast = temp;\\n\\t\\t}\\n\\t\\tcount = last - first + 1; /* number of candidates */\\n\\t\\tcandidate = first + sctp_select_initial_TSN(&inp->sctp_ep) % (count);\",\n \"\\t\\tdone = 0;\\n\\t\\twhile (!done) {\\n#ifdef SCTP_MVRF\\n\\t\\t\\tfor (i = 0; i < inp->num_vrfs; i++) {\\n\\t\\t\\t\\tif (sctp_isport_inuse(inp, htons(candidate), inp->m_vrf_ids[i]) != NULL) {\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t\\tif (i == inp->num_vrfs) {\\n\\t\\t\\t\\tdone = 1;\\n\\t\\t\\t}\\n#else\\n\\t\\t\\tif (sctp_isport_inuse(inp, htons(candidate), inp->def_vrf_id) == NULL) {\\n\\t\\t\\t\\tdone = 1;\\n\\t\\t\\t}\\n#endif\\n\\t\\t\\tif (!done) {\\n\\t\\t\\t\\tif (--count == 0) {\\n\\t\\t\\t\\t\\tSCTP_INP_DECR_REF(inp);\\n\\t\\t\\t\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t\\t\\t\\t\\tSCTP_INP_INFO_WUNLOCK();\\n\\t\\t\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EADDRINUSE);\\n\\t\\t\\t\\t\\treturn (EADDRINUSE);\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tif (candidate == last)\\n\\t\\t\\t\\t\\tcandidate = first;\\n\\t\\t\\t\\telse\\n\\t\\t\\t\\t\\tcandidate = candidate + 1;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\tlport = htons(candidate);\\n\\t}\\n\\tSCTP_INP_DECR_REF(inp);\\n\\tif (inp->sctp_flags & (SCTP_PCB_FLAGS_SOCKET_GONE |\\n\\t\\t\\t SCTP_PCB_FLAGS_SOCKET_ALLGONE)) {\\n\\t\\t/*\\n\\t\\t * this really should not happen. The guy did a non-blocking\\n\\t\\t * bind and then did a close at the same time.\\n\\t\\t */\\n\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t\\tSCTP_INP_INFO_WUNLOCK();\\n\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\\n\\t\\treturn (EINVAL);\\n\\t}\\n\\t/* ok we look clear to give out this port, so lets setup the binding */\\n\\tif (bindall) {\\n\\t\\t/* binding to all addresses, so just set in the proper flags */\\n\\t\\tinp->sctp_flags |= SCTP_PCB_FLAGS_BOUNDALL;\\n\\t\\t/* set the automatic addr changes from kernel flag */\\n\\t\\tif (SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) {\\n\\t\\t\\tsctp_feature_off(inp, SCTP_PCB_FLAGS_DO_ASCONF);\\n\\t\\t\\tsctp_feature_off(inp, SCTP_PCB_FLAGS_AUTO_ASCONF);\\n\\t\\t} else {\\n\\t\\t\\tsctp_feature_on(inp, SCTP_PCB_FLAGS_DO_ASCONF);\\n\\t\\t\\tsctp_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF);\\n\\t\\t}\\n\\t\\tif (SCTP_BASE_SYSCTL(sctp_multiple_asconfs) == 0) {\\n\\t\\t\\tsctp_feature_off(inp, SCTP_PCB_FLAGS_MULTIPLE_ASCONFS);\\n\\t\\t} else {\\n\\t\\t\\tsctp_feature_on(inp, SCTP_PCB_FLAGS_MULTIPLE_ASCONFS);\\n\\t\\t}\\n\\t\\t/* set the automatic mobility_base from kernel\\n\\t\\t flag (by micchie)\\n\\t\\t*/\\n\\t\\tif (SCTP_BASE_SYSCTL(sctp_mobility_base) == 0) {\\n\\t\\t\\tsctp_mobility_feature_off(inp, SCTP_MOBILITY_BASE);\\n\\t\\t\\tsctp_mobility_feature_off(inp, SCTP_MOBILITY_PRIM_DELETED);\\n\\t\\t} else {\\n\\t\\t\\tsctp_mobility_feature_on(inp, SCTP_MOBILITY_BASE);\\n\\t\\t\\tsctp_mobility_feature_off(inp, SCTP_MOBILITY_PRIM_DELETED);\\n\\t\\t}\\n\\t\\t/* set the automatic mobility_fasthandoff from kernel\\n\\t\\t flag (by micchie)\\n\\t\\t*/\\n\\t\\tif (SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff) == 0) {\\n\\t\\t\\tsctp_mobility_feature_off(inp, SCTP_MOBILITY_FASTHANDOFF);\\n\\t\\t\\tsctp_mobility_feature_off(inp, SCTP_MOBILITY_PRIM_DELETED);\\n\\t\\t} else {\\n\\t\\t\\tsctp_mobility_feature_on(inp, SCTP_MOBILITY_FASTHANDOFF);\\n\\t\\t\\tsctp_mobility_feature_off(inp, SCTP_MOBILITY_PRIM_DELETED);\\n\\t\\t}\\n\\t} else {\\n\\t\\t/*\\n\\t\\t * bind specific, make sure flags is off and add a new\\n\\t\\t * address structure to the sctp_addr_list inside the ep\\n\\t\\t * structure.\\n\\t\\t *\\n\\t\\t * We will need to allocate one and insert it at the head. The\\n\\t\\t * socketopt call can just insert new addresses in there as\\n\\t\\t * well. It will also have to do the embed scope kame hack\\n\\t\\t * too (before adding).\\n\\t\\t */\\n\\t\\tstruct sctp_ifa *ifa;\\n\\t\\tunion sctp_sockstore store;\",\n \"\\t\\tmemset(&store, 0, sizeof(store));\\n\\t\\tswitch (addr->sa_family) {\\n#ifdef INET\\n\\t\\tcase AF_INET:\\n\\t\\t\\tmemcpy(&store.sin, addr, sizeof(struct sockaddr_in));\\n\\t\\t\\tstore.sin.sin_port = 0;\\n\\t\\t\\tbreak;\\n#endif\\n#ifdef INET6\\n\\t\\tcase AF_INET6:\\n\\t\\t\\tmemcpy(&store.sin6, addr, sizeof(struct sockaddr_in6));\\n\\t\\t\\tstore.sin6.sin6_port = 0;\\n\\t\\t\\tbreak;\\n#endif\\n#if defined(__Userspace__)\\n\\t\\tcase AF_CONN:\\n\\t\\t\\tmemcpy(&store.sconn, addr, sizeof(struct sockaddr_conn));\\n\\t\\t\\tstore.sconn.sconn_port = 0;\\n\\t\\t\\tbreak;\\n#endif\\n\\t\\tdefault:\\n\\t\\t\\tbreak;\\n\\t\\t}\\n\\t\\t/*\\n\\t\\t * first find the interface with the bound address need to\\n\\t\\t * zero out the port to find the address! yuck! can't do\\n\\t\\t * this earlier since need port for sctp_pcb_findep()\\n\\t\\t */\\n\\t\\tif (sctp_ifap != NULL) {\\n\\t\\t\\tifa = sctp_ifap;\\n\\t\\t} else {\\n\\t\\t\\t/* Note for BSD we hit here always other\\n\\t\\t\\t * O/S's will pass things in via the\\n\\t\\t\\t * sctp_ifap argument (Panda).\\n\\t\\t\\t */\\n\\t\\t\\tifa = sctp_find_ifa_by_addr(&store.sa,\\n\\t\\t\\t\\t\\t\\t vrf_id, SCTP_ADDR_NOT_LOCKED);\\n\\t\\t}\\n\\t\\tif (ifa == NULL) {\\n\\t\\t\\t/* Can't find an interface with that address */\\n\\t\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t\\t\\tSCTP_INP_INFO_WUNLOCK();\\n\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EADDRNOTAVAIL);\\n\\t\\t\\treturn (EADDRNOTAVAIL);\\n\\t\\t}\\n#ifdef INET6\\n\\t\\tif (addr->sa_family == AF_INET6) {\\n\\t\\t\\t/* GAK, more FIXME IFA lock? */\\n\\t\\t\\tif (ifa->localifa_flags & SCTP_ADDR_IFA_UNUSEABLE) {\\n\\t\\t\\t\\t/* Can't bind a non-existent addr. */\\n\\t\\t\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t\\t\\t\\tSCTP_INP_INFO_WUNLOCK();\\n\\t\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\\n\\t\\t\\t\\treturn (EINVAL);\\n\\t\\t\\t}\\n\\t\\t}\\n#endif\\n\\t\\t/* we're not bound all */\\n\\t\\tinp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUNDALL;\\n\\t\\t/* allow bindx() to send ASCONF's for binding changes */\\n\\t\\tsctp_feature_on(inp, SCTP_PCB_FLAGS_DO_ASCONF);\\n\\t\\t/* clear automatic addr changes from kernel flag */\\n\\t\\tsctp_feature_off(inp, SCTP_PCB_FLAGS_AUTO_ASCONF);\",\n \"\\t\\t/* add this address to the endpoint list */\\n\\t\\terror = sctp_insert_laddr(&inp->sctp_addr_list, ifa, 0);\\n\\t\\tif (error != 0) {\\n\\t\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t\\t\\tSCTP_INP_INFO_WUNLOCK();\\n\\t\\t\\treturn (error);\\n\\t\\t}\\n\\t\\tinp->laddr_count++;\\n\\t}\\n\\t/* find the bucket */\\n\\tif (port_reuse_active) {\\n\\t\\t/* Put it into tcp 1-2-1 hash */\\n\\t\\thead = &SCTP_BASE_INFO(sctp_tcpephash)[SCTP_PCBHASH_ALLADDR(lport, SCTP_BASE_INFO(hashtcpmark))];\\n\\t\\tinp->sctp_flags |= SCTP_PCB_FLAGS_IN_TCPPOOL;\\n\\t} else {\\n\\t\\thead = &SCTP_BASE_INFO(sctp_ephash)[SCTP_PCBHASH_ALLADDR(lport, SCTP_BASE_INFO(hashmark))];\\n\\t}\\n\\t/* put it in the bucket */\\n\\tLIST_INSERT_HEAD(head, inp, sctp_hash);\\n\\tSCTPDBG(SCTP_DEBUG_PCB1, \\\"Main hash to bind at head:%p, bound port:%d - in tcp_pool=%d\\\\n\\\",\\n\\t\\t(void *)head, ntohs(lport), port_reuse_active);\\n\\t/* set in the port */\\n\\tinp->sctp_lport = lport;\",\n \"\\t/* turn off just the unbound flag */\\n\\tinp->sctp_flags &= ~SCTP_PCB_FLAGS_UNBOUND;\\n\\tSCTP_INP_WUNLOCK(inp);\\n\\tSCTP_INP_INFO_WUNLOCK();\\n\\treturn (0);\\n}\",\n \"\\nstatic void\\nsctp_iterator_inp_being_freed(struct sctp_inpcb *inp)\\n{\\n\\tstruct sctp_iterator *it, *nit;\",\n \"\\t/*\\n\\t * We enter with the only the ITERATOR_LOCK in place and a write\\n\\t * lock on the inp_info stuff.\\n\\t */\\n\\tit = sctp_it_ctl.cur_it;\\n#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\\n\\tif (it && (it->vn != curvnet)) {\\n\\t\\t/* Its not looking at our VNET */\\n\\t\\treturn;\\n\\t}\\n#endif\\n\\tif (it && (it->inp == inp)) {\\n\\t\\t/*\\n\\t\\t * This is tricky and we hold the iterator lock,\\n\\t\\t * but when it returns and gets the lock (when we\\n\\t\\t * release it) the iterator will try to operate on\\n\\t\\t * inp. We need to stop that from happening. But\\n\\t\\t * of course the iterator has a reference on the\\n\\t\\t * stcb and inp. We can mark it and it will stop.\\n\\t\\t *\\n\\t\\t * If its a single iterator situation, we\\n\\t\\t * set the end iterator flag. Otherwise\\n\\t\\t * we set the iterator to go to the next inp.\\n\\t\\t *\\n\\t\\t */\\n\\t\\tif (it->iterator_flags & SCTP_ITERATOR_DO_SINGLE_INP) {\\n\\t\\t\\tsctp_it_ctl.iterator_flags |= SCTP_ITERATOR_STOP_CUR_IT;\\n\\t\\t} else {\\n\\t\\t\\tsctp_it_ctl.iterator_flags |= SCTP_ITERATOR_STOP_CUR_INP;\\n\\t\\t}\\n\\t}\\n\\t/* Now go through and remove any single reference to\\n\\t * our inp that may be still pending on the list\\n\\t */\\n\\tSCTP_IPI_ITERATOR_WQ_LOCK();\\n\\tTAILQ_FOREACH_SAFE(it, &sctp_it_ctl.iteratorhead, sctp_nxt_itr, nit) {\\n#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\\n\\t\\tif (it->vn != curvnet) {\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n#endif\\n\\t\\tif (it->inp == inp) {\\n\\t\\t\\t/* This one points to me is it inp specific? */\\n\\t\\t\\tif (it->iterator_flags & SCTP_ITERATOR_DO_SINGLE_INP) {\\n\\t\\t\\t\\t/* Remove and free this one */\\n\\t\\t\\t\\tTAILQ_REMOVE(&sctp_it_ctl.iteratorhead,\\n\\t\\t\\t\\t it, sctp_nxt_itr);\\n\\t\\t\\t\\tif (it->function_atend != NULL) {\\n\\t\\t\\t\\t\\t(*it->function_atend) (it->pointer, it->val);\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tSCTP_FREE(it, SCTP_M_ITER);\\n\\t\\t\\t} else {\\n\\t\\t\\t\\tit->inp = LIST_NEXT(it->inp, sctp_list);\\n\\t\\t\\t\\tif (it->inp) {\\n\\t\\t\\t\\t\\tSCTP_INP_INCR_REF(it->inp);\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t\\t/* When its put in the refcnt is incremented so decr it */\\n\\t\\t\\tSCTP_INP_DECR_REF(inp);\\n\\t\\t}\\n\\t}\\n\\tSCTP_IPI_ITERATOR_WQ_UNLOCK();\\n}\",\n \"/* release sctp_inpcb unbind the port */\\nvoid\\nsctp_inpcb_free(struct sctp_inpcb *inp, int immediate, int from)\\n{\\n\\t/*\\n\\t * Here we free a endpoint. We must find it (if it is in the Hash\\n\\t * table) and remove it from there. Then we must also find it in the\\n\\t * overall list and remove it from there. After all removals are\\n\\t * complete then any timer has to be stopped. Then start the actual\\n\\t * freeing. a) Any local lists. b) Any associations. c) The hash of\\n\\t * all associations. d) finally the ep itself.\\n\\t */\\n\\tstruct sctp_tcb *asoc, *nasoc;\\n\\tstruct sctp_laddr *laddr, *nladdr;\\n\\tstruct inpcb *ip_pcb;\\n\\tstruct socket *so;\\n\\tint being_refed = 0;\\n\\tstruct sctp_queued_to_read *sq, *nsq;\\n#if !defined(__Panda__) && !defined(__Userspace__)\\n#if !defined(__FreeBSD__) || __FreeBSD_version < 500000\\n\\tsctp_rtentry_t *rt;\\n#endif\\n#endif\\n\\tint cnt;\\n\\tsctp_sharedkey_t *shared_key, *nshared_key;\",\n \"\\n#if defined(__APPLE__)\\n\\tsctp_lock_assert(SCTP_INP_SO(inp));\\n#endif\\n#ifdef SCTP_LOG_CLOSING\\n\\tsctp_log_closing(inp, NULL, 0);\\n#endif\\n\\tSCTP_ITERATOR_LOCK();\\n\\t/* mark any iterators on the list or being processed */\\n\\tsctp_iterator_inp_being_freed(inp);\\n\\tSCTP_ITERATOR_UNLOCK();\\n\\tso = inp->sctp_socket;\\n\\tif (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {\\n\\t\\t/* been here before.. eeks.. get out of here */\\n\\t\\tSCTP_PRINTF(\\\"This conflict in free SHOULD not be happening! from %d, imm %d\\\\n\\\", from, immediate);\\n#ifdef SCTP_LOG_CLOSING\\n\\t\\tsctp_log_closing(inp, NULL, 1);\\n#endif\\n\\t\\treturn;\\n\\t}\\n\\tSCTP_ASOC_CREATE_LOCK(inp);\\n\\tSCTP_INP_INFO_WLOCK();\",\n \"\\tSCTP_INP_WLOCK(inp);\\n\\tif (from == SCTP_CALLED_AFTER_CMPSET_OFCLOSE) {\\n\\t\\tinp->sctp_flags &= ~SCTP_PCB_FLAGS_CLOSE_IP;\\n\\t\\t/* socket is gone, so no more wakeups allowed */\\n\\t\\tinp->sctp_flags |= SCTP_PCB_FLAGS_DONT_WAKE;\\n\\t\\tinp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT;\\n\\t\\tinp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT;\",\n \"\\t}\\n\\t/* First time through we have the socket lock, after that no more. */\\n\\tsctp_timer_stop(SCTP_TIMER_TYPE_NEWCOOKIE, inp, NULL, NULL,\\n\\t\\t\\tSCTP_FROM_SCTP_PCB + SCTP_LOC_1);\",\n \"\\tif (inp->control) {\\n\\t\\tsctp_m_freem(inp->control);\\n\\t\\tinp->control = NULL;\\n\\t}\\n\\tif (inp->pkt) {\\n\\t\\tsctp_m_freem(inp->pkt);\\n\\t\\tinp->pkt = NULL;\\n\\t}\\n\\tip_pcb = &inp->ip_inp.inp;\\t/* we could just cast the main pointer\\n\\t\\t\\t\\t\\t * here but I will be nice :> (i.e.\\n\\t\\t\\t\\t\\t * ip_pcb = ep;) */\\n\\tif (immediate == SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE) {\\n\\t\\tint cnt_in_sd;\",\n \"\\t\\tcnt_in_sd = 0;\\n\\t\\tLIST_FOREACH_SAFE(asoc, &inp->sctp_asoc_list, sctp_tcblist, nasoc) {\\n\\t\\t\\tSCTP_TCB_LOCK(asoc);\\n\\t\\t\\tif (asoc->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {\\n\\t\\t\\t\\t/* Skip guys being freed */\\n\\t\\t\\t\\tcnt_in_sd++;\\n\\t\\t\\t\\tif (asoc->asoc.state & SCTP_STATE_IN_ACCEPT_QUEUE) {\\n\\t\\t\\t\\t\\t/*\\n\\t\\t\\t\\t\\t * Special case - we did not start a kill\\n\\t\\t\\t\\t\\t * timer on the asoc due to it was not\\n\\t\\t\\t\\t\\t * closed. So go ahead and start it now.\\n\\t\\t\\t\\t\\t */\\n\\t\\t\\t\\t\\tSCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_IN_ACCEPT_QUEUE);\\n\\t\\t\\t\\t\\tsctp_timer_start(SCTP_TIMER_TYPE_ASOCKILL, inp, asoc, NULL);\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tSCTP_TCB_UNLOCK(asoc);\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\tif (((SCTP_GET_STATE(asoc) == SCTP_STATE_COOKIE_WAIT) ||\\n\\t\\t\\t (SCTP_GET_STATE(asoc) == SCTP_STATE_COOKIE_ECHOED)) &&\\n\\t\\t\\t (asoc->asoc.total_output_queue_size == 0)) {\\n\\t\\t\\t\\t/* If we have data in queue, we don't want to just\\n\\t\\t\\t\\t * free since the app may have done, send()/close\\n\\t\\t\\t\\t * or connect/send/close. And it wants the data\\n\\t\\t\\t\\t * to get across first.\\n\\t\\t\\t\\t */\\n\\t\\t\\t\\t/* Just abandon things in the front states */\\n\\t\\t\\t\\tif (sctp_free_assoc(inp, asoc, SCTP_PCBFREE_NOFORCE,\\n\\t\\t\\t\\t\\t\\t SCTP_FROM_SCTP_PCB + SCTP_LOC_2) == 0) {\\n\\t\\t\\t\\t\\tcnt_in_sd++;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\t/* Disconnect the socket please */\\n\\t\\t\\tasoc->sctp_socket = NULL;\\n\\t\\t\\tSCTP_ADD_SUBSTATE(asoc, SCTP_STATE_CLOSED_SOCKET);\\n\\t\\t\\tif ((asoc->asoc.size_on_reasm_queue > 0) ||\\n\\t\\t\\t (asoc->asoc.control_pdapi) ||\\n\\t\\t\\t (asoc->asoc.size_on_all_streams > 0) ||\\n\\t\\t\\t (so && (so->so_rcv.sb_cc > 0))) {\\n\\t\\t\\t\\t/* Left with Data unread */\\n\\t\\t\\t\\tstruct mbuf *op_err;\",\n \"\\t\\t\\t\\top_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, \\\"\\\");\\n\\t\\t\\t\\tasoc->sctp_ep->last_abort_code = SCTP_FROM_SCTP_PCB + SCTP_LOC_3;\\n\\t\\t\\t\\tsctp_send_abort_tcb(asoc, op_err, SCTP_SO_LOCKED);\\n\\t\\t\\t\\tSCTP_STAT_INCR_COUNTER32(sctps_aborted);\\n\\t\\t\\t\\tif ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) ||\\n\\t\\t\\t\\t (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {\\n\\t\\t\\t\\t\\tSCTP_STAT_DECR_GAUGE32(sctps_currestab);\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tif (sctp_free_assoc(inp, asoc,\\n\\t\\t\\t\\t\\t\\t SCTP_PCBFREE_NOFORCE, SCTP_FROM_SCTP_PCB + SCTP_LOC_4) == 0) {\\n\\t\\t\\t\\t\\tcnt_in_sd++;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t} else if (TAILQ_EMPTY(&asoc->asoc.send_queue) &&\\n\\t\\t\\t TAILQ_EMPTY(&asoc->asoc.sent_queue) &&\\n\\t\\t\\t (asoc->asoc.stream_queue_cnt == 0)) {\\n\\t\\t\\t\\tif ((*asoc->asoc.ss_functions.sctp_ss_is_user_msgs_incomplete)(asoc, &asoc->asoc)) {\\n\\t\\t\\t\\t\\tgoto abort_anyway;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tif ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) &&\\n\\t\\t\\t\\t (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) {\\n\\t\\t\\t\\t\\tstruct sctp_nets *netp;\",\n \"\\t\\t\\t\\t\\t/*\\n\\t\\t\\t\\t\\t * there is nothing queued to send,\\n\\t\\t\\t\\t\\t * so I send shutdown\\n\\t\\t\\t\\t\\t */\\n\\t\\t\\t\\t\\tif ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) ||\\n\\t\\t\\t\\t\\t (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {\\n\\t\\t\\t\\t\\t\\tSCTP_STAT_DECR_GAUGE32(sctps_currestab);\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tSCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT);\\n\\t\\t\\t\\t\\tsctp_stop_timers_for_shutdown(asoc);\\n\\t\\t\\t\\t\\tif (asoc->asoc.alternate) {\\n\\t\\t\\t\\t\\t\\tnetp = asoc->asoc.alternate;\\n\\t\\t\\t\\t\\t} else {\\n\\t\\t\\t\\t\\t\\tnetp = asoc->asoc.primary_destination;\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tsctp_send_shutdown(asoc, netp);\\n\\t\\t\\t\\t\\tsctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, asoc->sctp_ep, asoc,\\n\\t\\t\\t\\t\\t netp);\\n\\t\\t\\t\\t\\tsctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, asoc->sctp_ep, asoc,\\n\\t\\t\\t\\t\\t asoc->asoc.primary_destination);\\n\\t\\t\\t\\t\\tsctp_chunk_output(inp, asoc, SCTP_OUTPUT_FROM_SHUT_TMR, SCTP_SO_LOCKED);\\n\\t\\t\\t\\t}\\n\\t\\t\\t} else {\\n\\t\\t\\t\\t/* mark into shutdown pending */\\n\\t\\t\\t\\tSCTP_ADD_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING);\\n\\t\\t\\t\\tsctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, asoc->sctp_ep, asoc,\\n\\t\\t\\t\\t\\t\\t asoc->asoc.primary_destination);\\n\\t\\t\\t\\tif ((*asoc->asoc.ss_functions.sctp_ss_is_user_msgs_incomplete)(asoc, &asoc->asoc)) {\\n\\t\\t\\t\\t\\tSCTP_ADD_SUBSTATE(asoc, SCTP_STATE_PARTIAL_MSG_LEFT);\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tif (TAILQ_EMPTY(&asoc->asoc.send_queue) &&\\n\\t\\t\\t\\t TAILQ_EMPTY(&asoc->asoc.sent_queue) &&\\n\\t\\t\\t\\t (asoc->asoc.state & SCTP_STATE_PARTIAL_MSG_LEFT)) {\\n\\t\\t\\t\\t\\tstruct mbuf *op_err;\\n\\t\\t\\t\\tabort_anyway:\\n\\t\\t\\t\\t\\top_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, \\\"\\\");\\n\\t\\t\\t\\t\\tasoc->sctp_ep->last_abort_code = SCTP_FROM_SCTP_PCB + SCTP_LOC_5;\\n\\t\\t\\t\\t\\tsctp_send_abort_tcb(asoc, op_err, SCTP_SO_LOCKED);\\n\\t\\t\\t\\t\\tSCTP_STAT_INCR_COUNTER32(sctps_aborted);\\n\\t\\t\\t\\t\\tif ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) ||\\n\\t\\t\\t\\t\\t (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {\\n\\t\\t\\t\\t\\t\\tSCTP_STAT_DECR_GAUGE32(sctps_currestab);\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tif (sctp_free_assoc(inp, asoc,\\n\\t\\t\\t\\t\\t\\t\\t SCTP_PCBFREE_NOFORCE,\\n\\t\\t\\t\\t\\t\\t\\t SCTP_FROM_SCTP_PCB + SCTP_LOC_6) == 0) {\\n\\t\\t\\t\\t\\t\\tcnt_in_sd++;\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tcontinue;\\n\\t\\t\\t\\t} else {\\n\\t\\t\\t\\t\\tsctp_chunk_output(inp, asoc, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED);\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t\\tcnt_in_sd++;\\n\\t\\t\\tSCTP_TCB_UNLOCK(asoc);\\n\\t\\t}\\n\\t\\t/* now is there some left in our SHUTDOWN state? */\\n\\t\\tif (cnt_in_sd) {\\n#ifdef SCTP_LOG_CLOSING\\n\\t\\t\\tsctp_log_closing(inp, NULL, 2);\\n#endif\\n\\t\\t\\tinp->sctp_socket = NULL;\\n\\t\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t\\t\\tSCTP_ASOC_CREATE_UNLOCK(inp);\\n\\t\\t\\tSCTP_INP_INFO_WUNLOCK();\\n\\t\\t\\treturn;\\n\\t\\t}\\n\\t}\\n\\tinp->sctp_socket = NULL;\\n\\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) !=\\n\\t SCTP_PCB_FLAGS_UNBOUND) {\\n\\t\\t/*\\n\\t\\t * ok, this guy has been bound. It's port is\\n\\t\\t * somewhere in the SCTP_BASE_INFO(hash table). Remove\\n\\t\\t * it!\\n\\t\\t */\\n\\t\\tLIST_REMOVE(inp, sctp_hash);\\n\\t\\tinp->sctp_flags |= SCTP_PCB_FLAGS_UNBOUND;\\n\\t}\",\n \"\\t/* If there is a timer running to kill us,\\n\\t * forget it, since it may have a contest\\n\\t * on the INP lock.. which would cause us\\n\\t * to die ...\\n\\t */\\n\\tcnt = 0;\\n\\tLIST_FOREACH_SAFE(asoc, &inp->sctp_asoc_list, sctp_tcblist, nasoc) {\\n\\t\\tSCTP_TCB_LOCK(asoc);\\n\\t\\tif (asoc->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {\\n\\t\\t\\tif (asoc->asoc.state & SCTP_STATE_IN_ACCEPT_QUEUE) {\\n\\t\\t\\t\\tSCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_IN_ACCEPT_QUEUE);\\n\\t\\t\\t\\tsctp_timer_start(SCTP_TIMER_TYPE_ASOCKILL, inp, asoc, NULL);\\n\\t\\t\\t}\\n\\t\\t cnt++;\\n\\t\\t\\tSCTP_TCB_UNLOCK(asoc);\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\t/* Free associations that are NOT killing us */\\n\\t\\tif ((SCTP_GET_STATE(asoc) != SCTP_STATE_COOKIE_WAIT) &&\\n\\t\\t ((asoc->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) == 0)) {\\n\\t\\t\\tstruct mbuf *op_err;\",\n \"\\t\\t\\top_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, \\\"\\\");\\n\\t\\t\\tasoc->sctp_ep->last_abort_code = SCTP_FROM_SCTP_PCB + SCTP_LOC_7;\\n\\t\\t\\tsctp_send_abort_tcb(asoc, op_err, SCTP_SO_LOCKED);\\n\\t\\t\\tSCTP_STAT_INCR_COUNTER32(sctps_aborted);\\n\\t\\t} else if (asoc->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {\\n\\t\\t\\tcnt++;\\n\\t\\t\\tSCTP_TCB_UNLOCK(asoc);\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\tif ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) ||\\n\\t\\t (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {\\n\\t\\t\\tSCTP_STAT_DECR_GAUGE32(sctps_currestab);\\n\\t\\t}\\n\\t\\tif (sctp_free_assoc(inp, asoc, SCTP_PCBFREE_FORCE,\\n\\t\\t SCTP_FROM_SCTP_PCB + SCTP_LOC_8) == 0) {\\n\\t\\t\\tcnt++;\\n\\t\\t}\\n\\t}\\n\\tif (cnt) {\\n\\t\\t/* Ok we have someone out there that will kill us */\\n\\t\\t(void)SCTP_OS_TIMER_STOP(&inp->sctp_ep.signature_change.timer);\\n#ifdef SCTP_LOG_CLOSING\\n\\t\\tsctp_log_closing(inp, NULL, 3);\\n#endif\\n\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t\\tSCTP_ASOC_CREATE_UNLOCK(inp);\\n\\t\\tSCTP_INP_INFO_WUNLOCK();\\n\\t\\treturn;\\n\\t}\\n\\tif (SCTP_INP_LOCK_CONTENDED(inp))\\n\\t\\tbeing_refed++;\\n\\tif (SCTP_INP_READ_CONTENDED(inp))\\n\\t\\tbeing_refed++;\\n\\tif (SCTP_ASOC_CREATE_LOCK_CONTENDED(inp))\\n\\t\\tbeing_refed++;\",\n \"\\tif ((inp->refcount) ||\\n\\t (being_refed) ||\\n\\t (inp->sctp_flags & SCTP_PCB_FLAGS_CLOSE_IP)) {\\n\\t\\t(void)SCTP_OS_TIMER_STOP(&inp->sctp_ep.signature_change.timer);\\n#ifdef SCTP_LOG_CLOSING\\n\\t\\tsctp_log_closing(inp, NULL, 4);\\n#endif\\n\\t\\tsctp_timer_start(SCTP_TIMER_TYPE_INPKILL, inp, NULL, NULL);\\n\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t\\tSCTP_ASOC_CREATE_UNLOCK(inp);\\n\\t\\tSCTP_INP_INFO_WUNLOCK();\\n\\t\\treturn;\\n\\t}\\n\\tinp->sctp_ep.signature_change.type = 0;\\n\\tinp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_ALLGONE;\\n\\t/* Remove it from the list .. last thing we need a\\n\\t * lock for.\\n\\t */\\n\\tLIST_REMOVE(inp, sctp_list);\\n\\tSCTP_INP_WUNLOCK(inp);\\n\\tSCTP_ASOC_CREATE_UNLOCK(inp);\\n\\tSCTP_INP_INFO_WUNLOCK();\\n\\t/* Now we release all locks. Since this INP\\n\\t * cannot be found anymore except possibly by the\\n\\t * kill timer that might be running. We call\\n\\t * the drain function here. It should hit the case\\n\\t * were it sees the ACTIVE flag cleared and exit\\n\\t * out freeing us to proceed and destroy everything.\\n\\t */\\n\\tif (from != SCTP_CALLED_FROM_INPKILL_TIMER) {\\n\\t\\t(void)SCTP_OS_TIMER_STOP_DRAIN(&inp->sctp_ep.signature_change.timer);\\n\\t} else {\\n\\t\\t/* Probably un-needed */\\n\\t\\t(void)SCTP_OS_TIMER_STOP(&inp->sctp_ep.signature_change.timer);\\n\\t}\",\n \"#ifdef SCTP_LOG_CLOSING\\n\\tsctp_log_closing(inp, NULL, 5);\\n#endif\",\n \"#if !(defined(__Panda__) || defined(__Windows__) || defined(__Userspace__))\\n#if !defined(__FreeBSD__) || __FreeBSD_version < 500000\\n\\trt = ip_pcb->inp_route.ro_rt;\\n#endif\\n#endif\",\n \"\\tif ((inp->sctp_asocidhash) != NULL) {\\n\\t\\tSCTP_HASH_FREE(inp->sctp_asocidhash, inp->hashasocidmark);\\n\\t\\tinp->sctp_asocidhash = NULL;\\n\\t}\\n\\t/*sa_ignore FREED_MEMORY*/\\n\\tTAILQ_FOREACH_SAFE(sq, &inp->read_queue, next, nsq) {\\n\\t\\t/* Its only abandoned if it had data left */\\n\\t\\tif (sq->length)\\n\\t\\t\\tSCTP_STAT_INCR(sctps_left_abandon);\",\n \"\\t\\tTAILQ_REMOVE(&inp->read_queue, sq, next);\\n\\t\\tsctp_free_remote_addr(sq->whoFrom);\\n\\t\\tif (so)\\n\\t\\t\\tso->so_rcv.sb_cc -= sq->length;\\n\\t\\tif (sq->data) {\\n\\t\\t\\tsctp_m_freem(sq->data);\\n\\t\\t\\tsq->data = NULL;\\n\\t\\t}\\n\\t\\t/*\\n\\t\\t * no need to free the net count, since at this point all\\n\\t\\t * assoc's are gone.\\n\\t\\t */\\n\\t\\tsctp_free_a_readq(NULL, sq);\\n\\t}\\n\\t/* Now the sctp_pcb things */\\n\\t/*\\n\\t * free each asoc if it is not already closed/free. we can't use the\\n\\t * macro here since le_next will get freed as part of the\\n\\t * sctp_free_assoc() call.\\n\\t */\\n#ifndef __Panda__\\n\\tif (ip_pcb->inp_options) {\\n\\t\\t(void)sctp_m_free(ip_pcb->inp_options);\\n\\t\\tip_pcb->inp_options = 0;\\n\\t}\\n#endif\",\n \"#if !(defined(__Panda__) || defined(__Windows__) || defined(__Userspace__))\\n#if !defined(__FreeBSD__) || __FreeBSD_version < 500000\\n\\tif (rt) {\\n\\t\\tRTFREE(rt);\\n\\t\\tip_pcb->inp_route.ro_rt = 0;\\n\\t}\\n#endif\\n#if defined(__FreeBSD__) && __FreeBSD_version < 803000\\n#ifdef INET\\n\\tif (ip_pcb->inp_moptions) {\\n\\t\\tinp_freemoptions(ip_pcb->inp_moptions);\\n\\t\\tip_pcb->inp_moptions = 0;\\n\\t}\\n#endif\\n#endif\\n#endif\",\n \"#ifdef INET6\\n#if !(defined(__Panda__) || defined(__Windows__) || defined(__Userspace__))\\n#if defined(__FreeBSD__) || defined(__APPLE__)\\n\\tif (ip_pcb->inp_vflag & INP_IPV6) {\\n#else\\n\\tif (inp->inp_vflag & INP_IPV6) {\\n#endif\\n\\t\\tip6_freepcbopts(ip_pcb->in6p_outputopts);\\n\\t}\\n#endif\\n#endif\\t\\t\\t\\t/* INET6 */\\n#if !(defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__))\\n\\tinp->inp_vflag = 0;\\n#else\\n\\tip_pcb->inp_vflag = 0;\\n#endif\\n\\t/* free up authentication fields */\\n\\tif (inp->sctp_ep.local_auth_chunks != NULL)\\n\\t\\tsctp_free_chunklist(inp->sctp_ep.local_auth_chunks);\\n\\tif (inp->sctp_ep.local_hmacs != NULL)\\n\\t\\tsctp_free_hmaclist(inp->sctp_ep.local_hmacs);\",\n \"\\tLIST_FOREACH_SAFE(shared_key, &inp->sctp_ep.shared_keys, next, nshared_key) {\\n\\t\\tLIST_REMOVE(shared_key, next);\\n\\t\\tsctp_free_sharedkey(shared_key);\\n\\t\\t/*sa_ignore FREED_MEMORY*/\\n\\t}\",\n \"#if defined(__APPLE__)\\n\\tinp->ip_inp.inp.inp_state = INPCB_STATE_DEAD;\\n\\tif (in_pcb_checkstate(&inp->ip_inp.inp, WNT_STOPUSING, 1) != WNT_STOPUSING) {\\n#ifdef INVARIANTS\\n\\t\\tpanic(\\\"sctp_inpcb_free inp = %p couldn't set to STOPUSING\\\\n\\\", (void *)inp);\\n#else\\n\\t\\tSCTP_PRINTF(\\\"sctp_inpcb_free inp = %p couldn't set to STOPUSING\\\\n\\\", (void *)inp);\\n#endif\\n\\t}\\n\\tinp->ip_inp.inp.inp_socket->so_flags |= SOF_PCBCLEARING;\\n#endif\\n\\t/*\\n\\t * if we have an address list the following will free the list of\\n\\t * ifaddr's that are set into this ep. Again macro limitations here,\\n\\t * since the LIST_FOREACH could be a bad idea.\\n\\t */\\n\\tLIST_FOREACH_SAFE(laddr, &inp->sctp_addr_list, sctp_nxt_addr, nladdr) {\\n\\t\\tsctp_remove_laddr(laddr);\\n\\t}\",\n \"#ifdef SCTP_TRACK_FREED_ASOCS\\n\\t/* TEMP CODE */\\n\\tLIST_FOREACH_SAFE(asoc, &inp->sctp_asoc_free_list, sctp_tcblist, nasoc) {\\n\\t\\tLIST_REMOVE(asoc, sctp_tcblist);\\n\\t\\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_asoc), asoc);\\n\\t\\tSCTP_DECR_ASOC_COUNT();\\n\\t}\\n\\t/* *** END TEMP CODE ****/\\n#endif\\n#ifdef SCTP_MVRF\\n\\tSCTP_FREE(inp->m_vrf_ids, SCTP_M_MVRF);\\n#endif\\n\\t/* Now lets see about freeing the EP hash table. */\\n\\tif (inp->sctp_tcbhash != NULL) {\\n\\t\\tSCTP_HASH_FREE(inp->sctp_tcbhash, inp->sctp_hashmark);\\n\\t\\tinp->sctp_tcbhash = NULL;\\n\\t}\\n\\t/* Now we must put the ep memory back into the zone pool */\\n#if defined(__FreeBSD__)\\n\\tcrfree(inp->ip_inp.inp.inp_cred);\\n\\tINP_LOCK_DESTROY(&inp->ip_inp.inp);\\n#endif\\n\\tSCTP_INP_LOCK_DESTROY(inp);\\n\\tSCTP_INP_READ_DESTROY(inp);\\n\\tSCTP_ASOC_CREATE_LOCK_DESTROY(inp);\\n#if !defined(__APPLE__)\\n\\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_ep), inp);\\n\\tSCTP_DECR_EP_COUNT();\\n#else\\n\\t/* For Tiger, we will do this later... */\\n#endif\\n}\",\n \"\\nstruct sctp_nets *\\nsctp_findnet(struct sctp_tcb *stcb, struct sockaddr *addr)\\n{\\n\\tstruct sctp_nets *net;\\n\\t/* locate the address */\\n\\tTAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {\\n\\t\\tif (sctp_cmpaddr(addr, (struct sockaddr *)&net->ro._l_addr))\\n\\t\\t\\treturn (net);\\n\\t}\\n\\treturn (NULL);\\n}\",\n \"\\nint\\nsctp_is_address_on_local_host(struct sockaddr *addr, uint32_t vrf_id)\\n{\\n#ifdef __Panda__\\n\\treturn (0);\\n#else\\n\\tstruct sctp_ifa *sctp_ifa;\\n\\tsctp_ifa = sctp_find_ifa_by_addr(addr, vrf_id, SCTP_ADDR_NOT_LOCKED);\\n\\tif (sctp_ifa) {\\n\\t\\treturn (1);\\n\\t} else {\\n\\t\\treturn (0);\\n\\t}\\n#endif\\n}\",\n \"/*\\n * add's a remote endpoint address, done with the INIT/INIT-ACK as well as\\n * when a ASCONF arrives that adds it. It will also initialize all the cwnd\\n * stats of stuff.\\n */\\nint\\nsctp_add_remote_addr(struct sctp_tcb *stcb, struct sockaddr *newaddr,\\n struct sctp_nets **netp, uint16_t port, int set_scope, int from)\\n{\\n\\t/*\\n\\t * The following is redundant to the same lines in the\\n\\t * sctp_aloc_assoc() but is needed since others call the add\\n\\t * address function\\n\\t */\\n\\tstruct sctp_nets *net, *netfirst;\\n\\tint addr_inscope;\",\n \"\\tSCTPDBG(SCTP_DEBUG_PCB1, \\\"Adding an address (from:%d) to the peer: \\\",\\n\\t\\tfrom);\\n\\tSCTPDBG_ADDR(SCTP_DEBUG_PCB1, newaddr);\",\n \"\\tnetfirst = sctp_findnet(stcb, newaddr);\\n\\tif (netfirst) {\\n\\t\\t/*\\n\\t\\t * Lie and return ok, we don't want to make the association\\n\\t\\t * go away for this behavior. It will happen in the TCP\\n\\t\\t * model in a connected socket. It does not reach the hash\\n\\t\\t * table until after the association is built so it can't be\\n\\t\\t * found. Mark as reachable, since the initial creation will\\n\\t\\t * have been cleared and the NOT_IN_ASSOC flag will have\\n\\t\\t * been added... and we don't want to end up removing it\\n\\t\\t * back out.\\n\\t\\t */\\n\\t\\tif (netfirst->dest_state & SCTP_ADDR_UNCONFIRMED) {\\n\\t\\t\\tnetfirst->dest_state = (SCTP_ADDR_REACHABLE |\\n\\t\\t\\t SCTP_ADDR_UNCONFIRMED);\\n\\t\\t} else {\\n\\t\\t\\tnetfirst->dest_state = SCTP_ADDR_REACHABLE;\\n\\t\\t}\",\n \"\\t\\treturn (0);\\n\\t}\\n\\taddr_inscope = 1;\\n\\tswitch (newaddr->sa_family) {\\n#ifdef INET\\n\\tcase AF_INET:\\n\\t{\\n\\t\\tstruct sockaddr_in *sin;\",\n \"\\t\\tsin = (struct sockaddr_in *)newaddr;\\n\\t\\tif (sin->sin_addr.s_addr == 0) {\\n\\t\\t\\t/* Invalid address */\\n\\t\\t\\treturn (-1);\\n\\t\\t}\\n\\t\\t/* zero out the zero area */\\n\\t\\tmemset(&sin->sin_zero, 0, sizeof(sin->sin_zero));\",\n \"\\t\\t/* assure len is set */\\n#ifdef HAVE_SIN_LEN\\n\\t\\tsin->sin_len = sizeof(struct sockaddr_in);\\n#endif\\n\\t\\tif (set_scope) {\\n\\t\\t\\tif (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr)) {\\n\\t\\t\\t\\tstcb->asoc.scope.ipv4_local_scope = 1;\\n\\t\\t\\t}\\n\\t\\t} else {\\n\\t\\t\\t/* Validate the address is in scope */\\n\\t\\t\\tif ((IN4_ISPRIVATE_ADDRESS(&sin->sin_addr)) &&\\n\\t\\t\\t (stcb->asoc.scope.ipv4_local_scope == 0)) {\\n\\t\\t\\t\\taddr_inscope = 0;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\tbreak;\\n\\t}\\n#endif\\n#ifdef INET6\\n\\tcase AF_INET6:\\n\\t{\\n\\t\\tstruct sockaddr_in6 *sin6;\",\n \"\\t\\tsin6 = (struct sockaddr_in6 *)newaddr;\\n\\t\\tif (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {\\n\\t\\t\\t/* Invalid address */\\n\\t\\t\\treturn (-1);\\n\\t\\t}\\n\\t\\t/* assure len is set */\\n#ifdef HAVE_SIN6_LEN\\n\\t\\tsin6->sin6_len = sizeof(struct sockaddr_in6);\\n#endif\\n\\t\\tif (set_scope) {\\n\\t\\t\\tif (sctp_is_address_on_local_host(newaddr, stcb->asoc.vrf_id)) {\\n\\t\\t\\t\\tstcb->asoc.scope.loopback_scope = 1;\\n\\t\\t\\t\\tstcb->asoc.scope.local_scope = 0;\\n\\t\\t\\t\\tstcb->asoc.scope.ipv4_local_scope = 1;\\n\\t\\t\\t\\tstcb->asoc.scope.site_scope = 1;\\n\\t\\t\\t} else if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {\\n\\t\\t\\t\\t/*\\n\\t\\t\\t\\t * If the new destination is a LINK_LOCAL we\\n\\t\\t\\t\\t * must have common site scope. Don't set\\n\\t\\t\\t\\t * the local scope since we may not share\\n\\t\\t\\t\\t * all links, only loopback can do this.\\n\\t\\t\\t\\t * Links on the local network would also be\\n\\t\\t\\t\\t * on our private network for v4 too.\\n\\t\\t\\t\\t */\\n\\t\\t\\t\\tstcb->asoc.scope.ipv4_local_scope = 1;\\n\\t\\t\\t\\tstcb->asoc.scope.site_scope = 1;\\n\\t\\t\\t} else if (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr)) {\\n\\t\\t\\t\\t/*\\n\\t\\t\\t\\t * If the new destination is SITE_LOCAL then\\n\\t\\t\\t\\t * we must have site scope in common.\\n\\t\\t\\t\\t */\\n\\t\\t\\t\\tstcb->asoc.scope.site_scope = 1;\\n\\t\\t\\t}\\n\\t\\t} else {\\n\\t\\t\\t/* Validate the address is in scope */\\n\\t\\t\\tif (IN6_IS_ADDR_LOOPBACK(&sin6->sin6_addr) &&\\n\\t\\t\\t (stcb->asoc.scope.loopback_scope == 0)) {\\n\\t\\t\\t\\taddr_inscope = 0;\\n\\t\\t\\t} else if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) &&\\n\\t\\t\\t (stcb->asoc.scope.local_scope == 0)) {\\n\\t\\t\\t\\taddr_inscope = 0;\\n\\t\\t\\t} else if (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr) &&\\n\\t\\t\\t (stcb->asoc.scope.site_scope == 0)) {\\n\\t\\t\\t\\taddr_inscope = 0;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\tbreak;\\n\\t}\\n#endif\\n#if defined(__Userspace__)\\n\\tcase AF_CONN:\\n\\t{\\n\\t\\tstruct sockaddr_conn *sconn;\",\n \"\\t\\tsconn = (struct sockaddr_conn *)newaddr;\\n\\t\\tif (sconn->sconn_addr == NULL) {\\n\\t\\t\\t/* Invalid address */\\n\\t\\t\\treturn (-1);\\n\\t\\t}\\n#ifdef HAVE_SCONN_LEN\\n\\t\\tsconn->sconn_len = sizeof(struct sockaddr_conn);\\n#endif\\n\\t\\tbreak;\\n\\t}\\n#endif\\n\\tdefault:\\n\\t\\t/* not supported family type */\\n\\t\\treturn (-1);\\n\\t}\\n\\tnet = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_net), struct sctp_nets);\\n\\tif (net == NULL) {\\n\\t\\treturn (-1);\\n\\t}\\n\\tSCTP_INCR_RADDR_COUNT();\\n\\tmemset(net, 0, sizeof(struct sctp_nets));\\n\\t(void)SCTP_GETTIME_TIMEVAL(&net->start_time);\\n#ifdef HAVE_SA_LEN\\n\\tmemcpy(&net->ro._l_addr, newaddr, newaddr->sa_len);\\n#endif\\n\\tswitch (newaddr->sa_family) {\\n#ifdef INET\\n\\tcase AF_INET:\\n#ifndef HAVE_SA_LEN\\n\\t\\tmemcpy(&net->ro._l_addr, newaddr, sizeof(struct sockaddr_in));\\n#endif\\n\\t\\t((struct sockaddr_in *)&net->ro._l_addr)->sin_port = stcb->rport;\\n\\t\\tbreak;\\n#endif\\n#ifdef INET6\\n\\tcase AF_INET6:\\n#ifndef HAVE_SA_LEN\\n\\t\\tmemcpy(&net->ro._l_addr, newaddr, sizeof(struct sockaddr_in6));\\n#endif\\n\\t\\t((struct sockaddr_in6 *)&net->ro._l_addr)->sin6_port = stcb->rport;\\n\\t\\tbreak;\\n#endif\\n#if defined(__Userspace__)\\n\\tcase AF_CONN:\\n#ifndef HAVE_SA_LEN\\n\\t\\tmemcpy(&net->ro._l_addr, newaddr, sizeof(struct sockaddr_conn));\\n#endif\\n\\t\\t((struct sockaddr_conn *)&net->ro._l_addr)->sconn_port = stcb->rport;\\n\\t\\tbreak;\\n#endif\\n\\tdefault:\\n\\t\\tbreak;\\n\\t}\\n\\tnet->addr_is_local = sctp_is_address_on_local_host(newaddr, stcb->asoc.vrf_id);\\n\\tif (net->addr_is_local && ((set_scope || (from == SCTP_ADDR_IS_CONFIRMED)))) {\\n\\t\\tstcb->asoc.scope.loopback_scope = 1;\\n\\t\\tstcb->asoc.scope.ipv4_local_scope = 1;\\n\\t\\tstcb->asoc.scope.local_scope = 0;\\n\\t\\tstcb->asoc.scope.site_scope = 1;\\n\\t\\taddr_inscope = 1;\\n\\t}\\n\\tnet->failure_threshold = stcb->asoc.def_net_failure;\\n\\tnet->pf_threshold = stcb->asoc.def_net_pf_threshold;\\n\\tif (addr_inscope == 0) {\\n\\t\\tnet->dest_state = (SCTP_ADDR_REACHABLE |\\n\\t\\t SCTP_ADDR_OUT_OF_SCOPE);\\n\\t} else {\\n\\t\\tif (from == SCTP_ADDR_IS_CONFIRMED)\\n\\t\\t\\t/* SCTP_ADDR_IS_CONFIRMED is passed by connect_x */\\n\\t\\t\\tnet->dest_state = SCTP_ADDR_REACHABLE;\\n\\t\\telse\\n\\t\\t\\tnet->dest_state = SCTP_ADDR_REACHABLE |\\n\\t\\t\\t SCTP_ADDR_UNCONFIRMED;\\n\\t}\\n\\t/* We set this to 0, the timer code knows that\\n\\t * this means its an initial value\\n\\t */\\n\\tnet->rto_needed = 1;\\n\\tnet->RTO = 0;\\n\\tnet->RTO_measured = 0;\\n\\tstcb->asoc.numnets++;\\n\\tnet->ref_count = 1;\\n\\tnet->cwr_window_tsn = net->last_cwr_tsn = stcb->asoc.sending_seq - 1;\\n\\tnet->port = port;\\n\\tnet->dscp = stcb->asoc.default_dscp;\\n#ifdef INET6\\n\\tnet->flowlabel = stcb->asoc.default_flowlabel;\\n#endif\\n\\tif (sctp_stcb_is_feature_on(stcb->sctp_ep, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) {\\n\\t\\tnet->dest_state |= SCTP_ADDR_NOHB;\\n\\t} else {\\n\\t\\tnet->dest_state &= ~SCTP_ADDR_NOHB;\\n\\t}\\n\\tif (sctp_stcb_is_feature_on(stcb->sctp_ep, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) {\\n\\t\\tnet->dest_state |= SCTP_ADDR_NO_PMTUD;\\n\\t} else {\\n\\t\\tnet->dest_state &= ~SCTP_ADDR_NO_PMTUD;\\n\\t}\\n\\tnet->heart_beat_delay = stcb->asoc.heart_beat_delay;\\n\\t/* Init the timer structure */\\n\\tSCTP_OS_TIMER_INIT(&net->rxt_timer.timer);\\n\\tSCTP_OS_TIMER_INIT(&net->pmtu_timer.timer);\\n\\tSCTP_OS_TIMER_INIT(&net->hb_timer.timer);\",\n \"\\t/* Now generate a route for this guy */\\n#ifdef INET6\\n#ifdef SCTP_EMBEDDED_V6_SCOPE\\n\\t/* KAME hack: embed scopeid */\\n\\tif (newaddr->sa_family == AF_INET6) {\\n\\t\\tstruct sockaddr_in6 *sin6;\",\n \"\\t\\tsin6 = (struct sockaddr_in6 *)&net->ro._l_addr;\\n#if defined(__APPLE__)\\n#if defined(APPLE_LEOPARD) || defined(APPLE_SNOWLEOPARD)\\n\\t\\t(void)in6_embedscope(&sin6->sin6_addr, sin6, &stcb->sctp_ep->ip_inp.inp, NULL);\\n#else\\n\\t\\t(void)in6_embedscope(&sin6->sin6_addr, sin6, &stcb->sctp_ep->ip_inp.inp, NULL, NULL);\\n#endif\\n#elif defined(SCTP_KAME)\\n\\t\\t(void)sa6_embedscope(sin6, MODULE_GLOBAL(ip6_use_defzone));\\n#else\\n\\t\\t(void)in6_embedscope(&sin6->sin6_addr, sin6);\\n#endif\\n#ifndef SCOPEDROUTING\\n\\t\\tsin6->sin6_scope_id = 0;\\n#endif\\n\\t}\\n#endif /* SCTP_EMBEDDED_V6_SCOPE */\\n#endif\\n\\tSCTP_RTALLOC((sctp_route_t *)&net->ro,\\n\\t stcb->asoc.vrf_id,\\n\\t stcb->sctp_ep->fibnum);\",\n \"\\tnet->src_addr_selected = 0;\\n#if !defined(__Userspace__)\\n\\tif (SCTP_ROUTE_HAS_VALID_IFN(&net->ro)) {\\n\\t\\t/* Get source address */\\n\\t\\tnet->ro._s_addr = sctp_source_address_selection(stcb->sctp_ep,\\n\\t\\t stcb,\\n\\t\\t (sctp_route_t *)&net->ro,\\n\\t\\t net,\\n\\t\\t 0,\\n\\t\\t stcb->asoc.vrf_id);\\n\\t\\tif (stcb->asoc.default_mtu > 0) {\\n\\t\\t\\tnet->mtu = stcb->asoc.default_mtu;\\n\\t\\t\\tswitch (net->ro._l_addr.sa.sa_family) {\\n#ifdef INET\\n\\t\\t\\tcase AF_INET:\\n\\t\\t\\t\\tnet->mtu += SCTP_MIN_V4_OVERHEAD;\\n\\t\\t\\t\\tbreak;\\n#endif\\n#ifdef INET6\\n\\t\\t\\tcase AF_INET6:\\n\\t\\t\\t\\tnet->mtu += SCTP_MIN_OVERHEAD;\\n\\t\\t\\t\\tbreak;\\n#endif\\n#if defined(__Userspace__)\\n\\t\\t\\tcase AF_CONN:\\n\\t\\t\\t\\tnet->mtu += sizeof(struct sctphdr);\\n\\t\\t\\t\\tbreak;\\n#endif\\n\\t\\t\\tdefault:\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n#if defined(INET) || defined(INET6)\\n\\t\\t\\tif (net->port) {\\n\\t\\t\\t\\tnet->mtu += (uint32_t)sizeof(struct udphdr);\\n\\t\\t\\t}\\n#endif\\n\\t\\t} else if (net->ro._s_addr != NULL) {\\n\\t\\t\\tuint32_t imtu, rmtu, hcmtu;\",\n \"\\t\\t\\tnet->src_addr_selected = 1;\\n\\t\\t\\t/* Now get the interface MTU */\\n\\t\\t\\tif (net->ro._s_addr->ifn_p != NULL) {\\n\\t\\t\\t\\timtu = SCTP_GATHER_MTU_FROM_INTFC(net->ro._s_addr->ifn_p);\\n\\t\\t\\t} else {\\n\\t\\t\\t\\timtu = 0;\\n\\t\\t\\t}\\n\\t\\t\\trmtu = SCTP_GATHER_MTU_FROM_ROUTE(net->ro._s_addr, &net->ro._l_addr.sa, net->ro.ro_rt);\\n#if defined(__FreeBSD__)\\n\\t\\t\\thcmtu = sctp_hc_get_mtu(&net->ro._l_addr, stcb->sctp_ep->fibnum);\\n#else\\n\\t\\t\\thcmtu = 0;\\n#endif\\n\\t\\t\\tnet->mtu = sctp_min_mtu(hcmtu, rmtu, imtu);\\n\\t\\t\\tif (rmtu == 0) {\\n\\t\\t\\t\\t/* Start things off to match mtu of interface please. */\\n\\t\\t\\t\\tSCTP_SET_MTU_OF_ROUTE(&net->ro._l_addr.sa,\\n\\t\\t\\t\\t net->ro.ro_rt, net->mtu);\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n#endif\\n\\tif (net->mtu == 0) {\\n\\t\\tif (stcb->asoc.default_mtu > 0) {\\n\\t\\t\\tnet->mtu = stcb->asoc.default_mtu;\\n\\t\\t\\tswitch (net->ro._l_addr.sa.sa_family) {\\n#ifdef INET\\n\\t\\t\\tcase AF_INET:\\n\\t\\t\\t\\tnet->mtu += SCTP_MIN_V4_OVERHEAD;\\n\\t\\t\\t\\tbreak;\\n#endif\\n#ifdef INET6\\n\\t\\t\\tcase AF_INET6:\\n\\t\\t\\t\\tnet->mtu += SCTP_MIN_OVERHEAD;\\n\\t\\t\\t\\tbreak;\\n#endif\\n#if defined(__Userspace__)\\n\\t\\t\\tcase AF_CONN:\\n\\t\\t\\t\\tnet->mtu += sizeof(struct sctphdr);\\n\\t\\t\\t\\tbreak;\\n#endif\\n\\t\\t\\tdefault:\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n#if defined(INET) || defined(INET6)\\n\\t\\t\\tif (net->port) {\\n\\t\\t\\t\\tnet->mtu += (uint32_t)sizeof(struct udphdr);\\n\\t\\t\\t}\\n#endif\\n\\t\\t} else {\\n\\t\\t\\tswitch (newaddr->sa_family) {\\n#ifdef INET\\n\\t\\t\\tcase AF_INET:\\n\\t\\t\\t\\tnet->mtu = SCTP_DEFAULT_MTU;\\n\\t\\t\\t\\tbreak;\\n#endif\\n#ifdef INET6\\n\\t\\t\\tcase AF_INET6:\\n\\t\\t\\t\\tnet->mtu = 1280;\\n\\t\\t\\t\\tbreak;\\n#endif\\n#if defined(__Userspace__)\\n\\t\\t\\tcase AF_CONN:\\n\\t\\t\\t\\tnet->mtu = 1280;\\n\\t\\t\\t\\tbreak;\\n#endif\\n\\t\\t\\tdefault:\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n#if defined(INET) || defined(INET6)\\n\\tif (net->port) {\\n\\t\\tnet->mtu -= (uint32_t)sizeof(struct udphdr);\\n\\t}\\n#endif\\n\\tif (from == SCTP_ALLOC_ASOC) {\\n\\t\\tstcb->asoc.smallest_mtu = net->mtu;\\n\\t}\\n\\tif (stcb->asoc.smallest_mtu > net->mtu) {\\n\\t\\tsctp_pathmtu_adjustment(stcb, net->mtu);\\n\\t}\\n#ifdef INET6\\n#ifdef SCTP_EMBEDDED_V6_SCOPE\\n\\tif (newaddr->sa_family == AF_INET6) {\\n\\t\\tstruct sockaddr_in6 *sin6;\",\n \"\\t\\tsin6 = (struct sockaddr_in6 *)&net->ro._l_addr;\\n#ifdef SCTP_KAME\\n\\t\\t(void)sa6_recoverscope(sin6);\\n#else\\n\\t\\t(void)in6_recoverscope(sin6, &sin6->sin6_addr, NULL);\\n#endif /* SCTP_KAME */\\n\\t}\\n#endif /* SCTP_EMBEDDED_V6_SCOPE */\\n#endif\",\n \"\\t/* JRS - Use the congestion control given in the CC module */\\n\\tif (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL)\\n\\t\\t(*stcb->asoc.cc_functions.sctp_set_initial_cc_param)(stcb, net);\",\n \"\\t/*\\n\\t * CMT: CUC algo - set find_pseudo_cumack to TRUE (1) at beginning\\n\\t * of assoc (2005/06/27, iyengar@cis.udel.edu)\\n\\t */\\n\\tnet->find_pseudo_cumack = 1;\\n\\tnet->find_rtx_pseudo_cumack = 1;\\n#if defined(__FreeBSD__)\\n\\t/* Choose an initial flowid. */\\n\\tnet->flowid = stcb->asoc.my_vtag ^\\n\\t ntohs(stcb->rport) ^\\n\\t ntohs(stcb->sctp_ep->sctp_lport);\\n\\tnet->flowtype = M_HASHTYPE_OPAQUE_HASH;\\n#endif\\n\\tif (netp) {\\n\\t\\t*netp = net;\\n\\t}\\n\\tnetfirst = TAILQ_FIRST(&stcb->asoc.nets);\\n\\tif (net->ro.ro_rt == NULL) {\\n\\t\\t/* Since we have no route put it at the back */\\n\\t\\tTAILQ_INSERT_TAIL(&stcb->asoc.nets, net, sctp_next);\\n\\t} else if (netfirst == NULL) {\\n\\t\\t/* We are the first one in the pool. */\\n\\t\\tTAILQ_INSERT_HEAD(&stcb->asoc.nets, net, sctp_next);\\n\\t} else if (netfirst->ro.ro_rt == NULL) {\\n\\t\\t/*\\n\\t\\t * First one has NO route. Place this one ahead of the first\\n\\t\\t * one.\\n\\t\\t */\\n\\t\\tTAILQ_INSERT_HEAD(&stcb->asoc.nets, net, sctp_next);\\n#ifndef __Panda__\\n\\t} else if (net->ro.ro_rt->rt_ifp != netfirst->ro.ro_rt->rt_ifp) {\\n\\t\\t/*\\n\\t\\t * This one has a different interface than the one at the\\n\\t\\t * top of the list. Place it ahead.\\n\\t\\t */\\n\\t\\tTAILQ_INSERT_HEAD(&stcb->asoc.nets, net, sctp_next);\\n#endif\\n\\t} else {\\n\\t\\t/*\\n\\t\\t * Ok we have the same interface as the first one. Move\\n\\t\\t * forward until we find either a) one with a NULL route...\\n\\t\\t * insert ahead of that b) one with a different ifp.. insert\\n\\t\\t * after that. c) end of the list.. insert at the tail.\\n\\t\\t */\\n\\t\\tstruct sctp_nets *netlook;\",\n \"\\t\\tdo {\\n\\t\\t\\tnetlook = TAILQ_NEXT(netfirst, sctp_next);\\n\\t\\t\\tif (netlook == NULL) {\\n\\t\\t\\t\\t/* End of the list */\\n\\t\\t\\t\\tTAILQ_INSERT_TAIL(&stcb->asoc.nets, net, sctp_next);\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t} else if (netlook->ro.ro_rt == NULL) {\\n\\t\\t\\t\\t/* next one has NO route */\\n\\t\\t\\t\\tTAILQ_INSERT_BEFORE(netfirst, net, sctp_next);\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n#ifndef __Panda__\\n\\t\\t\\telse if (netlook->ro.ro_rt->rt_ifp != net->ro.ro_rt->rt_ifp)\\n#else\\n\\t\\t\\telse\\n#endif\\n\\t\\t\\t{\\n\\t\\t\\t\\tTAILQ_INSERT_AFTER(&stcb->asoc.nets, netlook,\\n\\t\\t\\t\\t\\t\\t net, sctp_next);\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n#ifndef __Panda__\\n\\t\\t\\t/* Shift forward */\\n\\t\\t\\tnetfirst = netlook;\\n#endif\\n\\t\\t} while (netlook != NULL);\\n\\t}\",\n \"\\t/* got to have a primary set */\\n\\tif (stcb->asoc.primary_destination == 0) {\\n\\t\\tstcb->asoc.primary_destination = net;\\n\\t} else if ((stcb->asoc.primary_destination->ro.ro_rt == NULL) &&\\n\\t\\t (net->ro.ro_rt) &&\\n\\t ((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0)) {\\n\\t\\t/* No route to current primary adopt new primary */\\n\\t\\tstcb->asoc.primary_destination = net;\\n\\t}\\n\\t/* Validate primary is first */\\n\\tnet = TAILQ_FIRST(&stcb->asoc.nets);\\n\\tif ((net != stcb->asoc.primary_destination) &&\\n\\t (stcb->asoc.primary_destination)) {\\n\\t\\t/* first one on the list is NOT the primary\\n\\t\\t * sctp_cmpaddr() is much more efficient if\\n\\t\\t * the primary is the first on the list, make it\\n\\t\\t * so.\\n\\t\\t */\\n\\t\\tTAILQ_REMOVE(&stcb->asoc.nets,\\n\\t\\t\\t stcb->asoc.primary_destination, sctp_next);\\n\\t\\tTAILQ_INSERT_HEAD(&stcb->asoc.nets,\\n\\t\\t\\t\\t stcb->asoc.primary_destination, sctp_next);\\n\\t}\\n\\treturn (0);\\n}\",\n \"\\nstatic uint32_t\\nsctp_aloc_a_assoc_id(struct sctp_inpcb *inp, struct sctp_tcb *stcb)\\n{\\n\\tuint32_t id;\\n\\tstruct sctpasochead *head;\\n\\tstruct sctp_tcb *lstcb;\",\n \" try_again:\\n\\tif (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {\\n\\t\\t/* TSNH */\\n\\t\\treturn (0);\\n\\t}\\n\\t/*\\n\\t * We don't allow assoc id to be one of SCTP_FUTURE_ASSOC,\\n\\t * SCTP_CURRENT_ASSOC and SCTP_ALL_ASSOC.\\n\\t */\\n\\tif (inp->sctp_associd_counter <= SCTP_ALL_ASSOC) {\\n\\t\\tinp->sctp_associd_counter = SCTP_ALL_ASSOC + 1;\\n\\t}\\n\\tid = inp->sctp_associd_counter;\\n\\tinp->sctp_associd_counter++;\\n\\tlstcb = sctp_findasoc_ep_asocid_locked(inp, (sctp_assoc_t)id, 0);\\n\\tif (lstcb) {\\n\\t\\tgoto try_again;\\n\\t}\\n\\thead = &inp->sctp_asocidhash[SCTP_PCBHASH_ASOC(id, inp->hashasocidmark)];\\n\\tLIST_INSERT_HEAD(head, stcb, sctp_tcbasocidhash);\\n\\tstcb->asoc.in_asocid_hash = 1;\\n\\treturn (id);\\n}\",\n \"/*\\n * allocate an association and add it to the endpoint. The caller must be\\n * careful to add all additional addresses once they are know right away or\\n * else the assoc will be may experience a blackout scenario.\\n */\\nstruct sctp_tcb *\\nsctp_aloc_assoc(struct sctp_inpcb *inp, struct sockaddr *firstaddr,\\n int *error, uint32_t override_tag, uint32_t vrf_id,\\n uint16_t o_streams, uint16_t port,\\n#if defined(__FreeBSD__) && __FreeBSD_version >= 500000\\n struct thread *p,\\n#elif defined(__Windows__)\\n PKTHREAD p,\\n#else\\n#if defined(__Userspace__)\\n /* __Userspace__ NULL proc is going to be passed here. See sctp_lower_sosend */\\n#endif\\n struct proc *p,\\n#endif\\n int initialize_auth_params)\\n{\\n\\t/* note the p argument is only valid in unbound sockets */\",\n \"\\tstruct sctp_tcb *stcb;\\n\\tstruct sctp_association *asoc;\\n\\tstruct sctpasochead *head;\\n\\tuint16_t rport;\\n\\tint err;\",\n \"\\t/*\\n\\t * Assumption made here: Caller has done a\\n\\t * sctp_findassociation_ep_addr(ep, addr's); to make sure the\\n\\t * address does not exist already.\\n\\t */\\n\\tif (SCTP_BASE_INFO(ipi_count_asoc) >= SCTP_MAX_NUM_OF_ASOC) {\\n\\t\\t/* Hit max assoc, sorry no more */\\n\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, ENOBUFS);\\n\\t\\t*error = ENOBUFS;\\n\\t\\treturn (NULL);\\n\\t}\\n\\tif (firstaddr == NULL) {\\n\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\\n\\t\\t*error = EINVAL;\\n\\t\\treturn (NULL);\\n\\t}\\n\\tSCTP_INP_RLOCK(inp);\\n\\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) &&\\n\\t ((sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE)) ||\\n\\t (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED))) {\\n\\t\\t/*\\n\\t\\t * If its in the TCP pool, its NOT allowed to create an\\n\\t\\t * association. The parent listener needs to call\\n\\t\\t * sctp_aloc_assoc.. or the one-2-many socket. If a peeled\\n\\t\\t * off, or connected one does this.. its an error.\\n\\t\\t */\\n\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\\n\\t\\t*error = EINVAL;\\n\\t\\treturn (NULL);\\n\\t}\\n\\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||\\n\\t (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE)) {\\n\\t\\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_WAS_CONNECTED) ||\\n\\t\\t (inp->sctp_flags & SCTP_PCB_FLAGS_WAS_ABORTED)) {\\n\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\\n\\t\\t\\t*error = EINVAL;\\n\\t\\t\\treturn (NULL);\\n\\t\\t}\\n\\t}\\n\\tSCTPDBG(SCTP_DEBUG_PCB3, \\\"Allocate an association for peer:\\\");\\n#ifdef SCTP_DEBUG\\n\\tif (firstaddr) {\\n\\t\\tSCTPDBG_ADDR(SCTP_DEBUG_PCB3, firstaddr);\\n\\t\\tswitch (firstaddr->sa_family) {\\n#ifdef INET\\n\\t\\tcase AF_INET:\\n\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB3, \\\"Port:%d\\\\n\\\",\\n\\t\\t\\t ntohs(((struct sockaddr_in *)firstaddr)->sin_port));\\n\\t\\t\\tbreak;\\n#endif\\n#ifdef INET6\\n\\t\\tcase AF_INET6:\\n\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB3, \\\"Port:%d\\\\n\\\",\\n\\t\\t\\t ntohs(((struct sockaddr_in6 *)firstaddr)->sin6_port));\\n\\t\\t\\tbreak;\\n#endif\\n#if defined(__Userspace__)\\n\\t\\tcase AF_CONN:\\n\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB3, \\\"Port:%d\\\\n\\\",\\n\\t\\t\\t ntohs(((struct sockaddr_conn *)firstaddr)->sconn_port));\\n\\t\\t\\tbreak;\\n#endif\\n\\t\\tdefault:\\n\\t\\t\\tbreak;\\n\\t\\t}\\n\\t} else {\\n\\t\\tSCTPDBG(SCTP_DEBUG_PCB3,\\\"None\\\\n\\\");\\n\\t}\\n#endif\\t\\t\\t\\t/* SCTP_DEBUG */\\n\\tswitch (firstaddr->sa_family) {\\n#ifdef INET\\n\\tcase AF_INET:\\n\\t{\\n\\t\\tstruct sockaddr_in *sin;\",\n \"\\t\\tsin = (struct sockaddr_in *)firstaddr;\\n\\t\\tif ((ntohs(sin->sin_port) == 0) ||\\n\\t\\t (sin->sin_addr.s_addr == INADDR_ANY) ||\\n\\t\\t (sin->sin_addr.s_addr == INADDR_BROADCAST) ||\\n\\t\\t IN_MULTICAST(ntohl(sin->sin_addr.s_addr))) {\\n\\t\\t\\t/* Invalid address */\\n\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\\n\\t\\t\\t*error = EINVAL;\\n\\t\\t\\treturn (NULL);\\n\\t\\t}\\n\\t\\trport = sin->sin_port;\\n\\t\\tbreak;\\n\\t}\\n#endif\\n#ifdef INET6\\n\\tcase AF_INET6:\\n\\t{\\n\\t\\tstruct sockaddr_in6 *sin6;\",\n \"\\t\\tsin6 = (struct sockaddr_in6 *)firstaddr;\\n\\t\\tif ((ntohs(sin6->sin6_port) == 0) ||\\n\\t\\t IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr) ||\\n\\t\\t IN6_IS_ADDR_MULTICAST(&sin6->sin6_addr)) {\\n\\t\\t\\t/* Invalid address */\\n\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\\n\\t\\t\\t*error = EINVAL;\\n\\t\\t\\treturn (NULL);\\n\\t\\t}\\n\\t\\trport = sin6->sin6_port;\\n\\t\\tbreak;\\n\\t}\\n#endif\\n#if defined(__Userspace__)\\n\\tcase AF_CONN:\\n\\t{\\n\\t\\tstruct sockaddr_conn *sconn;\",\n \"\\t\\tsconn = (struct sockaddr_conn *)firstaddr;\\n\\t\\tif ((ntohs(sconn->sconn_port) == 0) ||\\n\\t\\t (sconn->sconn_addr == NULL)) {\\n\\t\\t\\t/* Invalid address */\\n\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\\n\\t\\t\\t*error = EINVAL;\\n\\t\\t\\treturn (NULL);\\n\\t\\t}\\n\\t\\trport = sconn->sconn_port;\\n\\t\\tbreak;\\n\\t}\\n#endif\\n\\tdefault:\\n\\t\\t/* not supported family type */\\n\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\\n\\t\\t*error = EINVAL;\\n\\t\\treturn (NULL);\\n\\t}\\n\\tSCTP_INP_RUNLOCK(inp);\\n\\tif (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) {\\n\\t\\t/*\\n\\t\\t * If you have not performed a bind, then we need to do the\\n\\t\\t * ephemeral bind for you.\\n\\t\\t */\\n\\t\\tif ((err = sctp_inpcb_bind(inp->sctp_socket,\\n\\t\\t (struct sockaddr *)NULL,\\n\\t\\t (struct sctp_ifa *)NULL,\\n#ifndef __Panda__\\n\\t\\t\\t\\t\\t p\\n#else\\n\\t\\t\\t\\t\\t (struct proc *)NULL\\n#endif\\n\\t\\t ))) {\\n\\t\\t\\t/* bind error, probably perm */\\n\\t\\t\\t*error = err;\\n\\t\\t\\treturn (NULL);\\n\\t\\t}\\n\\t}\\n\\tstcb = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_asoc), struct sctp_tcb);\\n\\tif (stcb == NULL) {\\n\\t\\t/* out of memory? */\\n\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, ENOMEM);\\n\\t\\t*error = ENOMEM;\\n\\t\\treturn (NULL);\\n\\t}\\n\\tSCTP_INCR_ASOC_COUNT();\",\n \"\\tmemset(stcb, 0, sizeof(*stcb));\\n\\tasoc = &stcb->asoc;\",\n \"\\tSCTP_TCB_LOCK_INIT(stcb);\\n\\tSCTP_TCB_SEND_LOCK_INIT(stcb);\\n\\tstcb->rport = rport;\\n\\t/* setup back pointer's */\\n\\tstcb->sctp_ep = inp;\\n\\tstcb->sctp_socket = inp->sctp_socket;\\n\\tif ((err = sctp_init_asoc(inp, stcb, override_tag, vrf_id, o_streams))) {\\n\\t\\t/* failed */\\n\\t\\tSCTP_TCB_LOCK_DESTROY(stcb);\\n\\t\\tSCTP_TCB_SEND_LOCK_DESTROY(stcb);\\n\\t\\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_asoc), stcb);\\n\\t\\tSCTP_DECR_ASOC_COUNT();\\n\\t\\t*error = err;\\n\\t\\treturn (NULL);\\n\\t}\\n\\t/* and the port */\\n\\tSCTP_INP_INFO_WLOCK();\\n\\tSCTP_INP_WLOCK(inp);\\n\\tif (inp->sctp_flags & (SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_SOCKET_ALLGONE)) {\\n\\t\\t/* inpcb freed while alloc going on */\\n\\t\\tSCTP_TCB_LOCK_DESTROY(stcb);\\n\\t\\tSCTP_TCB_SEND_LOCK_DESTROY(stcb);\\n\\t\\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_asoc), stcb);\\n\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t\\tSCTP_INP_INFO_WUNLOCK();\\n\\t\\tSCTP_DECR_ASOC_COUNT();\\n\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, EINVAL);\\n\\t\\t*error = EINVAL;\\n\\t\\treturn (NULL);\\n\\t}\\n\\tSCTP_TCB_LOCK(stcb);\",\n \"\\tasoc->assoc_id = sctp_aloc_a_assoc_id(inp, stcb);\\n\\t/* now that my_vtag is set, add it to the hash */\\n\\thead = &SCTP_BASE_INFO(sctp_asochash)[SCTP_PCBHASH_ASOC(stcb->asoc.my_vtag, SCTP_BASE_INFO(hashasocmark))];\\n\\t/* put it in the bucket in the vtag hash of assoc's for the system */\\n\\tLIST_INSERT_HEAD(head, stcb, sctp_asocs);\\n\\tSCTP_INP_INFO_WUNLOCK();\",\n \"\\tif ((err = sctp_add_remote_addr(stcb, firstaddr, NULL, port, SCTP_DO_SETSCOPE, SCTP_ALLOC_ASOC))) {\\n\\t\\t/* failure.. memory error? */\\n\\t\\tif (asoc->strmout) {\\n\\t\\t\\tSCTP_FREE(asoc->strmout, SCTP_M_STRMO);\\n\\t\\t\\tasoc->strmout = NULL;\\n\\t\\t}\\n\\t\\tif (asoc->mapping_array) {\\n\\t\\t\\tSCTP_FREE(asoc->mapping_array, SCTP_M_MAP);\\n\\t\\t\\tasoc->mapping_array = NULL;\\n\\t\\t}\\n\\t\\tif (asoc->nr_mapping_array) {\\n\\t\\t\\tSCTP_FREE(asoc->nr_mapping_array, SCTP_M_MAP);\\n\\t\\t\\tasoc->nr_mapping_array = NULL;\\n\\t\\t}\\n\\t\\tSCTP_DECR_ASOC_COUNT();\\n\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t\\tSCTP_TCB_LOCK_DESTROY(stcb);\\n\\t\\tSCTP_TCB_SEND_LOCK_DESTROY(stcb);\\n\\t\\tLIST_REMOVE(stcb, sctp_tcbasocidhash);\\n\\t\\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_asoc), stcb);\\n\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t\\tSCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PCB, ENOBUFS);\\n\\t\\t*error = ENOBUFS;\\n\\t\\treturn (NULL);\\n\\t}\\n\\t/* Init all the timers */\\n\\tSCTP_OS_TIMER_INIT(&asoc->dack_timer.timer);\\n\\tSCTP_OS_TIMER_INIT(&asoc->strreset_timer.timer);\\n\\tSCTP_OS_TIMER_INIT(&asoc->asconf_timer.timer);\\n\\tSCTP_OS_TIMER_INIT(&asoc->shut_guard_timer.timer);\\n\\tSCTP_OS_TIMER_INIT(&asoc->autoclose_timer.timer);\\n\\tSCTP_OS_TIMER_INIT(&asoc->delayed_event_timer.timer);\\n\\tSCTP_OS_TIMER_INIT(&asoc->delete_prim_timer.timer);\",\n \"\\tLIST_INSERT_HEAD(&inp->sctp_asoc_list, stcb, sctp_tcblist);\\n\\t/* now file the port under the hash as well */\\n\\tif (inp->sctp_tcbhash != NULL) {\\n\\t\\thead = &inp->sctp_tcbhash[SCTP_PCBHASH_ALLADDR(stcb->rport,\\n\\t\\t inp->sctp_hashmark)];\\n\\t\\tLIST_INSERT_HEAD(head, stcb, sctp_tcbhash);\\n\\t}\\n\\tif (initialize_auth_params == SCTP_INITIALIZE_AUTH_PARAMS) {\\n\\t\\tsctp_initialize_auth_params(inp, stcb);\\n\\t}\\n\\tSCTP_INP_WUNLOCK(inp);\\n\\tSCTPDBG(SCTP_DEBUG_PCB1, \\\"Association %p now allocated\\\\n\\\", (void *)stcb);\\n\\treturn (stcb);\\n}\",\n \"\\nvoid\\nsctp_remove_net(struct sctp_tcb *stcb, struct sctp_nets *net)\\n{\\n\\tstruct sctp_association *asoc;\",\n \"\\tasoc = &stcb->asoc;\\n\\tasoc->numnets--;\\n\\tTAILQ_REMOVE(&asoc->nets, net, sctp_next);\\n\\tif (net == asoc->primary_destination) {\\n\\t\\t/* Reset primary */\\n\\t\\tstruct sctp_nets *lnet;\",\n \"\\t\\tlnet = TAILQ_FIRST(&asoc->nets);\\n\\t\\t/* Mobility adaptation\\n\\t\\t Ideally, if deleted destination is the primary, it becomes\\n\\t\\t a fast retransmission trigger by the subsequent SET PRIMARY.\\n\\t\\t (by micchie)\\n\\t\\t */\\n\\t\\tif (sctp_is_mobility_feature_on(stcb->sctp_ep,\\n\\t\\t SCTP_MOBILITY_BASE) ||\\n\\t\\t sctp_is_mobility_feature_on(stcb->sctp_ep,\\n\\t\\t SCTP_MOBILITY_FASTHANDOFF)) {\\n\\t\\t\\tSCTPDBG(SCTP_DEBUG_ASCONF1, \\\"remove_net: primary dst is deleting\\\\n\\\");\\n\\t\\t\\tif (asoc->deleted_primary != NULL) {\\n\\t\\t\\t\\tSCTPDBG(SCTP_DEBUG_ASCONF1, \\\"remove_net: deleted primary may be already stored\\\\n\\\");\\n\\t\\t\\t\\tgoto out;\\n\\t\\t\\t}\\n\\t\\t\\tasoc->deleted_primary = net;\\n\\t\\t\\tatomic_add_int(&net->ref_count, 1);\\n\\t\\t\\tmemset(&net->lastsa, 0, sizeof(net->lastsa));\\n\\t\\t\\tmemset(&net->lastsv, 0, sizeof(net->lastsv));\\n\\t\\t\\tsctp_mobility_feature_on(stcb->sctp_ep,\\n\\t\\t\\t\\t\\t\\t SCTP_MOBILITY_PRIM_DELETED);\\n\\t\\t\\tsctp_timer_start(SCTP_TIMER_TYPE_PRIM_DELETED,\\n\\t\\t\\t\\t\\t stcb->sctp_ep, stcb, NULL);\\n\\t\\t}\\nout:\\n\\t\\t/* Try to find a confirmed primary */\\n\\t\\tasoc->primary_destination = sctp_find_alternate_net(stcb, lnet, 0);\\n\\t}\\n\\tif (net == asoc->last_data_chunk_from) {\\n\\t\\t/* Reset primary */\\n\\t\\tasoc->last_data_chunk_from = TAILQ_FIRST(&asoc->nets);\\n\\t}\\n\\tif (net == asoc->last_control_chunk_from) {\\n\\t\\t/* Clear net */\\n\\t\\tasoc->last_control_chunk_from = NULL;\\n\\t}\\n\\tif (net == stcb->asoc.alternate) {\\n\\t\\tsctp_free_remote_addr(stcb->asoc.alternate);\\n\\t\\tstcb->asoc.alternate = NULL;\\n\\t}\\n\\tsctp_free_remote_addr(net);\\n}\",\n \"/*\\n * remove a remote endpoint address from an association, it will fail if the\\n * address does not exist.\\n */\\nint\\nsctp_del_remote_addr(struct sctp_tcb *stcb, struct sockaddr *remaddr)\\n{\\n\\t/*\\n\\t * Here we need to remove a remote address. This is quite simple, we\\n\\t * first find it in the list of address for the association\\n\\t * (tasoc->asoc.nets) and then if it is there, we do a LIST_REMOVE\\n\\t * on that item. Note we do not allow it to be removed if there are\\n\\t * no other addresses.\\n\\t */\\n\\tstruct sctp_association *asoc;\\n\\tstruct sctp_nets *net, *nnet;\",\n \"\\tasoc = &stcb->asoc;\",\n \"\\t/* locate the address */\\n\\tTAILQ_FOREACH_SAFE(net, &asoc->nets, sctp_next, nnet) {\\n\\t\\tif (net->ro._l_addr.sa.sa_family != remaddr->sa_family) {\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\tif (sctp_cmpaddr((struct sockaddr *)&net->ro._l_addr,\\n\\t\\t remaddr)) {\\n\\t\\t\\t/* we found the guy */\\n\\t\\t\\tif (asoc->numnets < 2) {\\n\\t\\t\\t\\t/* Must have at LEAST two remote addresses */\\n\\t\\t\\t\\treturn (-1);\\n\\t\\t\\t} else {\\n\\t\\t\\t\\tsctp_remove_net(stcb, net);\\n\\t\\t\\t\\treturn (0);\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n\\t/* not found. */\\n\\treturn (-2);\\n}\",\n \"void\\nsctp_delete_from_timewait(uint32_t tag, uint16_t lport, uint16_t rport)\\n{\\n\\tstruct sctpvtaghead *chain;\\n\\tstruct sctp_tagblock *twait_block;\\n\\tint found = 0;\\n\\tint i;\",\n \"\\tchain = &SCTP_BASE_INFO(vtag_timewait)[(tag % SCTP_STACK_VTAG_HASH_SIZE)];\\n\\tLIST_FOREACH(twait_block, chain, sctp_nxt_tagblock) {\\n\\t\\tfor (i = 0; i < SCTP_NUMBER_IN_VTAG_BLOCK; i++) {\\n\\t\\t if ((twait_block->vtag_block[i].v_tag == tag) &&\\n\\t\\t (twait_block->vtag_block[i].lport == lport) &&\\n\\t\\t (twait_block->vtag_block[i].rport == rport)) {\\n\\t\\t\\t\\ttwait_block->vtag_block[i].tv_sec_at_expire = 0;\\n\\t\\t\\t\\ttwait_block->vtag_block[i].v_tag = 0;\\n\\t\\t\\t\\ttwait_block->vtag_block[i].lport = 0;\\n\\t\\t\\t\\ttwait_block->vtag_block[i].rport = 0;\\n\\t\\t\\t\\tfound = 1;\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\tif (found)\\n\\t\\t\\tbreak;\\n\\t}\\n}\",\n \"int\\nsctp_is_in_timewait(uint32_t tag, uint16_t lport, uint16_t rport)\\n{\\n\\tstruct sctpvtaghead *chain;\\n\\tstruct sctp_tagblock *twait_block;\\n\\tint found = 0;\\n\\tint i;\",\n \"\\tSCTP_INP_INFO_WLOCK();\\n\\tchain = &SCTP_BASE_INFO(vtag_timewait)[(tag % SCTP_STACK_VTAG_HASH_SIZE)];\\n\\tLIST_FOREACH(twait_block, chain, sctp_nxt_tagblock) {\\n\\t\\tfor (i = 0; i < SCTP_NUMBER_IN_VTAG_BLOCK; i++) {\\n\\t\\t\\tif ((twait_block->vtag_block[i].v_tag == tag) &&\\n\\t\\t\\t (twait_block->vtag_block[i].lport == lport) &&\\n\\t\\t\\t (twait_block->vtag_block[i].rport == rport)) {\\n\\t\\t\\t\\tfound = 1;\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\tif (found)\\n\\t\\t\\tbreak;\\n\\t}\\n\\tSCTP_INP_INFO_WUNLOCK();\\n\\treturn (found);\\n}\",\n \"\\nvoid\\nsctp_add_vtag_to_timewait(uint32_t tag, uint32_t time, uint16_t lport, uint16_t rport)\\n{\\n\\tstruct sctpvtaghead *chain;\\n\\tstruct sctp_tagblock *twait_block;\\n\\tstruct timeval now;\\n\\tint set, i;\",\n \"\\tif (time == 0) {\\n\\t\\t/* Its disabled */\\n\\t\\treturn;\\n\\t}\\n\\t(void)SCTP_GETTIME_TIMEVAL(&now);\\n\\tchain = &SCTP_BASE_INFO(vtag_timewait)[(tag % SCTP_STACK_VTAG_HASH_SIZE)];\\n\\tset = 0;\\n\\tLIST_FOREACH(twait_block, chain, sctp_nxt_tagblock) {\\n\\t\\t/* Block(s) present, lets find space, and expire on the fly */\\n\\t\\tfor (i = 0; i < SCTP_NUMBER_IN_VTAG_BLOCK; i++) {\\n\\t\\t\\tif ((twait_block->vtag_block[i].v_tag == 0) &&\\n\\t\\t\\t !set) {\\n\\t\\t\\t\\ttwait_block->vtag_block[i].tv_sec_at_expire =\\n\\t\\t\\t\\t\\tnow.tv_sec + time;\\n\\t\\t\\t\\ttwait_block->vtag_block[i].v_tag = tag;\\n\\t\\t\\t\\ttwait_block->vtag_block[i].lport = lport;\\n\\t\\t\\t\\ttwait_block->vtag_block[i].rport = rport;\\n\\t\\t\\t\\tset = 1;\\n\\t\\t\\t} else if ((twait_block->vtag_block[i].v_tag) &&\\n\\t\\t\\t\\t ((long)twait_block->vtag_block[i].tv_sec_at_expire < now.tv_sec)) {\\n\\t\\t\\t\\t/* Audit expires this guy */\\n\\t\\t\\t\\ttwait_block->vtag_block[i].tv_sec_at_expire = 0;\\n\\t\\t\\t\\ttwait_block->vtag_block[i].v_tag = 0;\\n\\t\\t\\t\\ttwait_block->vtag_block[i].lport = 0;\\n\\t\\t\\t\\ttwait_block->vtag_block[i].rport = 0;\\n\\t\\t\\t\\tif (set == 0) {\\n\\t\\t\\t\\t\\t/* Reuse it for my new tag */\\n\\t\\t\\t\\t\\ttwait_block->vtag_block[i].tv_sec_at_expire = now.tv_sec + time;\\n\\t\\t\\t\\t\\ttwait_block->vtag_block[i].v_tag = tag;\\n\\t\\t\\t\\t\\ttwait_block->vtag_block[i].lport = lport;\\n\\t\\t\\t\\t\\ttwait_block->vtag_block[i].rport = rport;\\n\\t\\t\\t\\t\\tset = 1;\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\tif (set) {\\n\\t\\t\\t/*\\n\\t\\t\\t * We only do up to the block where we can\\n\\t\\t\\t * place our tag for audits\\n\\t\\t\\t */\\n\\t\\t\\tbreak;\\n\\t\\t}\\n\\t}\\n\\t/* Need to add a new block to chain */\\n\\tif (!set) {\\n\\t\\tSCTP_MALLOC(twait_block, struct sctp_tagblock *,\\n\\t\\t sizeof(struct sctp_tagblock), SCTP_M_TIMW);\\n\\t\\tif (twait_block == NULL) {\\n#ifdef INVARIANTS\\n\\t\\t\\tpanic(\\\"Can not alloc tagblock\\\");\\n#endif\\n\\t\\t\\treturn;\\n\\t\\t}\\n\\t\\tmemset(twait_block, 0, sizeof(struct sctp_tagblock));\\n\\t\\tLIST_INSERT_HEAD(chain, twait_block, sctp_nxt_tagblock);\\n\\t\\ttwait_block->vtag_block[0].tv_sec_at_expire = now.tv_sec + time;\\n\\t\\ttwait_block->vtag_block[0].v_tag = tag;\\n\\t\\ttwait_block->vtag_block[0].lport = lport;\\n\\t\\ttwait_block->vtag_block[0].rport = rport;\\n\\t}\\n}\",\n \"void\\nsctp_clean_up_stream(struct sctp_tcb *stcb, struct sctp_readhead *rh)\\n{\\n\\tstruct sctp_tmit_chunk *chk, *nchk;\\n\\tstruct sctp_queued_to_read *control, *ncontrol;\",\n \"\\tTAILQ_FOREACH_SAFE(control, rh, next_instrm, ncontrol) {\\n\\t\\tTAILQ_REMOVE(rh, control, next_instrm);\\n\\t\\tcontrol->on_strm_q = 0;\\n\\t\\tif (control->on_read_q == 0) {\\n\\t\\t\\tsctp_free_remote_addr(control->whoFrom);\\n\\t\\t\\tif (control->data) {\\n\\t\\t\\t\\tsctp_m_freem(control->data);\\n\\t\\t\\t\\tcontrol->data = NULL;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\t/* Reassembly free? */\\n\\t\\tTAILQ_FOREACH_SAFE(chk, &control->reasm, sctp_next, nchk) {\\n\\t\\t\\tTAILQ_REMOVE(&control->reasm, chk, sctp_next);\\n\\t\\t\\tif (chk->data) {\\n\\t\\t\\t\\tsctp_m_freem(chk->data);\\n\\t\\t\\t\\tchk->data = NULL;\\n\\t\\t\\t}\\n\\t\\t\\tif (chk->holds_key_ref)\\n\\t\\t\\t\\tsctp_auth_key_release(stcb, chk->auth_keyid, SCTP_SO_LOCKED);\\n\\t\\t\\tsctp_free_remote_addr(chk->whoTo);\\n\\t\\t\\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_chunk), chk);\\n\\t\\t\\tSCTP_DECR_CHK_COUNT();\\n\\t\\t\\t/*sa_ignore FREED_MEMORY*/\\n\\t\\t}\\n\\t\\t/*\\n\\t\\t * We don't free the address here\\n\\t\\t * since all the net's were freed\\n\\t\\t * above.\\n\\t\\t */\\n\\t\\tif (control->on_read_q == 0) {\\n\\t\\t\\tsctp_free_a_readq(stcb, control);\\n\\t\\t}\\n\\t}\\n}\",\n \"#ifdef __Panda__\\nvoid panda_wakeup_socket(struct socket *so);\\n#endif\",\n \"/*-\\n * Free the association after un-hashing the remote port. This\\n * function ALWAYS returns holding NO LOCK on the stcb. It DOES\\n * expect that the input to this function IS a locked TCB.\\n * It will return 0, if it did NOT destroy the association (instead\\n * it unlocks it. It will return NON-zero if it either destroyed the\\n * association OR the association is already destroyed.\\n */\\nint\\nsctp_free_assoc(struct sctp_inpcb *inp, struct sctp_tcb *stcb, int from_inpcbfree, int from_location)\\n{\\n\\tint i;\\n\\tstruct sctp_association *asoc;\\n\\tstruct sctp_nets *net, *nnet;\\n\\tstruct sctp_laddr *laddr, *naddr;\\n\\tstruct sctp_tmit_chunk *chk, *nchk;\\n\\tstruct sctp_asconf_addr *aparam, *naparam;\\n\\tstruct sctp_asconf_ack *aack, *naack;\\n\\tstruct sctp_stream_reset_list *strrst, *nstrrst;\\n\\tstruct sctp_queued_to_read *sq, *nsq;\\n\\tstruct sctp_stream_queue_pending *sp, *nsp;\\n\\tsctp_sharedkey_t *shared_key, *nshared_key;\\n\\tstruct socket *so;\",\n \"\\t/* first, lets purge the entry from the hash table. */\\n#if defined(__APPLE__)\\n\\tsctp_lock_assert(SCTP_INP_SO(inp));\\n#endif\",\n \"#ifdef SCTP_LOG_CLOSING\\n\\tsctp_log_closing(inp, stcb, 6);\\n#endif\\n\\tif (stcb->asoc.state == 0) {\\n#ifdef SCTP_LOG_CLOSING\\n\\t\\tsctp_log_closing(inp, NULL, 7);\\n#endif\\n\\t\\t/* there is no asoc, really TSNH :-0 */\\n\\t\\treturn (1);\\n\\t}\\n\\tif (stcb->asoc.alternate) {\\n\\t\\tsctp_free_remote_addr(stcb->asoc.alternate);\\n\\t\\tstcb->asoc.alternate = NULL;\\n\\t}\\n#if !defined(__APPLE__) /* TEMP: moved to below */\\n /* TEMP CODE */\\n\\tif (stcb->freed_from_where == 0) {\\n\\t\\t/* Only record the first place free happened from */\\n\\t\\tstcb->freed_from_where = from_location;\\n\\t}\\n /* TEMP CODE */\\n#endif\",\n \"\\tasoc = &stcb->asoc;\\n\\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||\\n\\t (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE))\\n\\t\\t/* nothing around */\\n\\t\\tso = NULL;\\n\\telse\\n\\t\\tso = inp->sctp_socket;\",\n \"\\t/*\\n\\t * We used timer based freeing if a reader or writer is in the way.\\n\\t * So we first check if we are actually being called from a timer,\\n\\t * if so we abort early if a reader or writer is still in the way.\\n\\t */\\n\\tif ((stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) &&\\n\\t (from_inpcbfree == SCTP_NORMAL_PROC)) {\\n\\t\\t/*\\n\\t\\t * is it the timer driving us? if so are the reader/writers\\n\\t\\t * gone?\\n\\t\\t */\\n\\t\\tif (stcb->asoc.refcnt) {\\n\\t\\t\\t/* nope, reader or writer in the way */\\n\\t\\t\\tsctp_timer_start(SCTP_TIMER_TYPE_ASOCKILL, inp, stcb, NULL);\\n\\t\\t\\t/* no asoc destroyed */\\n\\t\\t\\tSCTP_TCB_UNLOCK(stcb);\\n#ifdef SCTP_LOG_CLOSING\\n\\t\\t\\tsctp_log_closing(inp, stcb, 8);\\n#endif\\n\\t\\t\\treturn (0);\\n\\t\\t}\\n\\t}\\n\\t/* now clean up any other timers */\\n\\t(void)SCTP_OS_TIMER_STOP(&asoc->dack_timer.timer);\\n\\tasoc->dack_timer.self = NULL;\\n\\t(void)SCTP_OS_TIMER_STOP(&asoc->strreset_timer.timer);\\n\\t/*-\\n\\t * For stream reset we don't blast this unless\\n\\t * it is a str-reset timer, it might be the\\n\\t * free-asoc timer which we DON'T want to\\n\\t * disturb.\\n\\t */\\n\\tif (asoc->strreset_timer.type == SCTP_TIMER_TYPE_STRRESET)\\n\\t\\tasoc->strreset_timer.self = NULL;\\n\\t(void)SCTP_OS_TIMER_STOP(&asoc->asconf_timer.timer);\\n\\tasoc->asconf_timer.self = NULL;\\n\\t(void)SCTP_OS_TIMER_STOP(&asoc->autoclose_timer.timer);\\n\\tasoc->autoclose_timer.self = NULL;\\n\\t(void)SCTP_OS_TIMER_STOP(&asoc->shut_guard_timer.timer);\\n\\tasoc->shut_guard_timer.self = NULL;\\n\\t(void)SCTP_OS_TIMER_STOP(&asoc->delayed_event_timer.timer);\\n\\tasoc->delayed_event_timer.self = NULL;\\n\\t/* Mobility adaptation */\\n\\t(void)SCTP_OS_TIMER_STOP(&asoc->delete_prim_timer.timer);\\n\\tasoc->delete_prim_timer.self = NULL;\\n\\tTAILQ_FOREACH(net, &asoc->nets, sctp_next) {\\n\\t\\t(void)SCTP_OS_TIMER_STOP(&net->rxt_timer.timer);\\n\\t\\tnet->rxt_timer.self = NULL;\\n\\t\\t(void)SCTP_OS_TIMER_STOP(&net->pmtu_timer.timer);\\n\\t\\tnet->pmtu_timer.self = NULL;\\n\\t\\t(void)SCTP_OS_TIMER_STOP(&net->hb_timer.timer);\\n\\t\\tnet->hb_timer.self = NULL;\\n\\t}\\n\\t/* Now the read queue needs to be cleaned up (only once) */\\n\\tif ((stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) == 0) {\\n\\t\\tSCTP_ADD_SUBSTATE(stcb, SCTP_STATE_ABOUT_TO_BE_FREED);\\n\\t\\tSCTP_INP_READ_LOCK(inp);\\n\\t\\tTAILQ_FOREACH(sq, &inp->read_queue, next) {\\n\\t\\t\\tif (sq->stcb == stcb) {\\n\\t\\t\\t\\tsq->do_not_ref_stcb = 1;\\n\\t\\t\\t\\tsq->sinfo_cumtsn = stcb->asoc.cumulative_tsn;\\n\\t\\t\\t\\t/* If there is no end, there never\\n\\t\\t\\t\\t * will be now.\\n\\t\\t\\t\\t */\\n\\t\\t\\t\\tif (sq->end_added == 0) {\\n\\t\\t\\t\\t\\t/* Held for PD-API clear that. */\\n\\t\\t\\t\\t\\tsq->pdapi_aborted = 1;\\n\\t\\t\\t\\t\\tsq->held_length = 0;\\n\\t\\t\\t\\t\\tif (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT) && (so != NULL)) {\\n\\t\\t\\t\\t\\t\\t/*\\n\\t\\t\\t\\t\\t\\t * Need to add a PD-API aborted indication.\\n\\t\\t\\t\\t\\t\\t * Setting the control_pdapi assures that it will\\n\\t\\t\\t\\t\\t\\t * be added right after this msg.\\n\\t\\t\\t\\t\\t\\t */\\n\\t\\t\\t\\t\\t\\tuint32_t strseq;\\n\\t\\t\\t\\t\\t\\tstcb->asoc.control_pdapi = sq;\\n\\t\\t\\t\\t\\t\\tstrseq = (sq->sinfo_stream << 16) | (sq->mid & 0x0000ffff);\\n\\t\\t\\t\\t\\t\\tsctp_ulp_notify(SCTP_NOTIFY_PARTIAL_DELVIERY_INDICATION,\\n\\t\\t\\t\\t\\t\\t stcb,\\n\\t\\t\\t\\t\\t\\t SCTP_PARTIAL_DELIVERY_ABORTED,\\n\\t\\t\\t\\t\\t\\t (void *)&strseq,\\n\\t\\t\\t\\t\\t\\t SCTP_SO_LOCKED);\\n\\t\\t\\t\\t\\t\\tstcb->asoc.control_pdapi = NULL;\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\t/* Add an end to wake them */\\n\\t\\t\\t\\tsq->end_added = 1;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\tSCTP_INP_READ_UNLOCK(inp);\\n\\t\\tif (stcb->block_entry) {\\n\\t\\t\\tSCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_PCB, ECONNRESET);\\n\\t\\t\\tstcb->block_entry->error = ECONNRESET;\\n\\t\\t\\tstcb->block_entry = NULL;\\n\\t\\t}\\n\\t}\\n\\tif ((stcb->asoc.refcnt) || (stcb->asoc.state & SCTP_STATE_IN_ACCEPT_QUEUE)) {\\n\\t\\t/* Someone holds a reference OR the socket is unaccepted yet.\\n\\t\\t*/\\n\\t\\tif ((stcb->asoc.refcnt) ||\\n\\t\\t (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||\\n\\t\\t (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) {\\n\\t\\t\\tSCTP_CLEAR_SUBSTATE(stcb, SCTP_STATE_IN_ACCEPT_QUEUE);\\n\\t\\t\\tsctp_timer_start(SCTP_TIMER_TYPE_ASOCKILL, inp, stcb, NULL);\\n\\t\\t}\\n\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t\\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||\\n\\t\\t (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE))\\n\\t\\t\\t/* nothing around */\\n\\t\\t\\tso = NULL;\\n\\t\\tif (so) {\\n\\t\\t\\t/* Wake any reader/writers */\\n\\t\\t\\tsctp_sorwakeup(inp, so);\\n\\t\\t\\tsctp_sowwakeup(inp, so);\\n\\t\\t}\",\n \"#ifdef SCTP_LOG_CLOSING\\n\\t\\tsctp_log_closing(inp, stcb, 9);\\n#endif\\n\\t\\t/* no asoc destroyed */\\n\\t\\treturn (0);\\n\\t}\\n#ifdef SCTP_LOG_CLOSING\\n\\tsctp_log_closing(inp, stcb, 10);\\n#endif\\n\\t/* When I reach here, no others want\\n\\t * to kill the assoc yet.. and I own\\n\\t * the lock. Now its possible an abort\\n\\t * comes in when I do the lock exchange\\n\\t * below to grab all the locks to do\\n\\t * the final take out. to prevent this\\n\\t * we increment the count, which will\\n\\t * start a timer and blow out above thus\\n\\t * assuring us that we hold exclusive\\n\\t * killing of the asoc. Note that\\n\\t * after getting back the TCB lock\\n\\t * we will go ahead and increment the\\n\\t * counter back up and stop any timer\\n\\t * a passing stranger may have started :-S\\n\\t */\\n\\tif (from_inpcbfree == SCTP_NORMAL_PROC) {\\n\\t\\tatomic_add_int(&stcb->asoc.refcnt, 1);\",\n \"\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t\\tSCTP_INP_INFO_WLOCK();\\n\\t\\tSCTP_INP_WLOCK(inp);\\n\\t\\tSCTP_TCB_LOCK(stcb);\\n\\t}\\n\\t/* Double check the GONE flag */\\n\\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||\\n\\t (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE))\\n\\t\\t/* nothing around */\\n\\t\\tso = NULL;\",\n \"\\tif ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\\n\\t (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {\\n\\t\\t/*\\n\\t\\t * For TCP type we need special handling when we are\\n\\t\\t * connected. We also include the peel'ed off ones to.\\n\\t\\t */\\n\\t\\tif (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {\\n\\t\\t\\tinp->sctp_flags &= ~SCTP_PCB_FLAGS_CONNECTED;\\n\\t\\t\\tinp->sctp_flags |= SCTP_PCB_FLAGS_WAS_CONNECTED;\\n\\t\\t\\tif (so) {\\n\\t\\t\\t\\tSOCKBUF_LOCK(&so->so_rcv);\\n\\t\\t\\t\\tso->so_state &= ~(SS_ISCONNECTING |\\n\\t\\t\\t\\t SS_ISDISCONNECTING |\\n\\t\\t\\t\\t SS_ISCONFIRMING |\\n\\t\\t\\t\\t SS_ISCONNECTED);\\n\\t\\t\\t\\tso->so_state |= SS_ISDISCONNECTED;\\n#if defined(__APPLE__)\\n\\t\\t\\t\\tsocantrcvmore(so);\\n#else\\n\\t\\t\\t\\tsocantrcvmore_locked(so);\\n#endif\\n\\t\\t\\t\\tsocantsendmore(so);\\n\\t\\t\\t\\tsctp_sowwakeup(inp, so);\\n\\t\\t\\t\\tsctp_sorwakeup(inp, so);\\n\\t\\t\\t\\tSCTP_SOWAKEUP(so);\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\",\n \"\\t/* Make it invalid too, that way if its\\n\\t * about to run it will abort and return.\\n\\t */\\n\\t/* re-increment the lock */\\n\\tif (from_inpcbfree == SCTP_NORMAL_PROC) {\\n\\t\\tatomic_add_int(&stcb->asoc.refcnt, -1);\\n\\t}\\n\\tif (stcb->asoc.refcnt) {\\n\\t\\tSCTP_CLEAR_SUBSTATE(stcb, SCTP_STATE_IN_ACCEPT_QUEUE);\\n\\t\\tsctp_timer_start(SCTP_TIMER_TYPE_ASOCKILL, inp, stcb, NULL);\\n\\t\\tif (from_inpcbfree == SCTP_NORMAL_PROC) {\\n\\t\\t\\tSCTP_INP_INFO_WUNLOCK();\\n\\t\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t\\t}\\n\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t\\treturn (0);\\n\\t}\\n\\tasoc->state = 0;\\n\\tif (inp->sctp_tcbhash) {\\n\\t\\tLIST_REMOVE(stcb, sctp_tcbhash);\\n\\t}\\n\\tif (stcb->asoc.in_asocid_hash) {\\n\\t\\tLIST_REMOVE(stcb, sctp_tcbasocidhash);\\n\\t}\\n\\t/* Now lets remove it from the list of ALL associations in the EP */\\n\\tLIST_REMOVE(stcb, sctp_tcblist);\\n\\tif (from_inpcbfree == SCTP_NORMAL_PROC) {\\n\\t\\tSCTP_INP_INCR_REF(inp);\\n\\t\\tSCTP_INP_WUNLOCK(inp);\\n\\t}\\n\\t/* pull from vtag hash */\\n\\tLIST_REMOVE(stcb, sctp_asocs);\\n\\tsctp_add_vtag_to_timewait(asoc->my_vtag, SCTP_BASE_SYSCTL(sctp_vtag_time_wait),\\n\\t\\t\\t\\t inp->sctp_lport, stcb->rport);\",\n \"\\t/* Now restop the timers to be sure\\n\\t * this is paranoia at is finest!\\n\\t */\\n\\t(void)SCTP_OS_TIMER_STOP(&asoc->strreset_timer.timer);\\n\\t(void)SCTP_OS_TIMER_STOP(&asoc->dack_timer.timer);\\n\\t(void)SCTP_OS_TIMER_STOP(&asoc->strreset_timer.timer);\\n\\t(void)SCTP_OS_TIMER_STOP(&asoc->asconf_timer.timer);\\n\\t(void)SCTP_OS_TIMER_STOP(&asoc->shut_guard_timer.timer);\\n\\t(void)SCTP_OS_TIMER_STOP(&asoc->autoclose_timer.timer);\\n\\t(void)SCTP_OS_TIMER_STOP(&asoc->delayed_event_timer.timer);\\n\\tTAILQ_FOREACH(net, &asoc->nets, sctp_next) {\\n\\t\\t(void)SCTP_OS_TIMER_STOP(&net->rxt_timer.timer);\\n\\t\\t(void)SCTP_OS_TIMER_STOP(&net->pmtu_timer.timer);\\n\\t\\t(void)SCTP_OS_TIMER_STOP(&net->hb_timer.timer);\\n\\t}\",\n \"\\tasoc->strreset_timer.type = SCTP_TIMER_TYPE_NONE;\\n\\t/*\\n\\t * The chunk lists and such SHOULD be empty but we check them just\\n\\t * in case.\\n\\t */\\n\\t/* anything on the wheel needs to be removed */\\n\\tSCTP_TCB_SEND_LOCK(stcb);\\n\\tfor (i = 0; i < asoc->streamoutcnt; i++) {\\n\\t\\tstruct sctp_stream_out *outs;\",\n \"\\t\\touts = &asoc->strmout[i];\\n\\t\\t/* now clean up any chunks here */\\n\\t\\tTAILQ_FOREACH_SAFE(sp, &outs->outqueue, next, nsp) {\\n\\t\\t\\tatomic_subtract_int(&asoc->stream_queue_cnt, 1);\\n\\t\\t\\tTAILQ_REMOVE(&outs->outqueue, sp, next);\\n\\t\\t\\tstcb->asoc.ss_functions.sctp_ss_remove_from_stream(stcb, asoc, outs, sp, 1);\\n\\t\\t\\tsctp_free_spbufspace(stcb, asoc, sp);\\n\\t\\t\\tif (sp->data) {\\n\\t\\t\\t\\tif (so) {\\n\\t\\t\\t\\t\\t/* Still an open socket - report */\\n\\t\\t\\t\\t\\tsctp_ulp_notify(SCTP_NOTIFY_SPECIAL_SP_FAIL, stcb,\\n\\t\\t\\t\\t\\t 0, (void *)sp, SCTP_SO_LOCKED);\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tif (sp->data) {\\n\\t\\t\\t\\t\\tsctp_m_freem(sp->data);\\n\\t\\t\\t\\t\\tsp->data = NULL;\\n\\t\\t\\t\\t\\tsp->tail_mbuf = NULL;\\n\\t\\t\\t\\t\\tsp->length = 0;\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t\\tif (sp->net) {\\n\\t\\t\\t\\tsctp_free_remote_addr(sp->net);\\n\\t\\t\\t\\tsp->net = NULL;\\n\\t\\t\\t}\\n\\t\\t\\tsctp_free_a_strmoq(stcb, sp, SCTP_SO_LOCKED);\\n\\t\\t}\\n\\t}\\n\\tSCTP_TCB_SEND_UNLOCK(stcb);\\n\\t/*sa_ignore FREED_MEMORY*/\\n\\tTAILQ_FOREACH_SAFE(strrst, &asoc->resetHead, next_resp, nstrrst) {\\n\\t\\tTAILQ_REMOVE(&asoc->resetHead, strrst, next_resp);\\n\\t\\tSCTP_FREE(strrst, SCTP_M_STRESET);\\n\\t}\\n\\tTAILQ_FOREACH_SAFE(sq, &asoc->pending_reply_queue, next, nsq) {\\n\\t\\tTAILQ_REMOVE(&asoc->pending_reply_queue, sq, next);\\n\\t\\tif (sq->data) {\\n\\t\\t\\tsctp_m_freem(sq->data);\\n\\t\\t\\tsq->data = NULL;\\n\\t\\t}\\n\\t\\tsctp_free_remote_addr(sq->whoFrom);\\n\\t\\tsq->whoFrom = NULL;\\n\\t\\tsq->stcb = NULL;\\n\\t\\t/* Free the ctl entry */\\n\\t\\tsctp_free_a_readq(stcb, sq);\\n\\t\\t/*sa_ignore FREED_MEMORY*/\\n\\t}\\n\\tTAILQ_FOREACH_SAFE(chk, &asoc->free_chunks, sctp_next, nchk) {\\n\\t\\tTAILQ_REMOVE(&asoc->free_chunks, chk, sctp_next);\\n\\t\\tif (chk->data) {\\n\\t\\t\\tsctp_m_freem(chk->data);\\n\\t\\t\\tchk->data = NULL;\\n\\t\\t}\\n\\t\\tif (chk->holds_key_ref)\\n\\t\\t\\tsctp_auth_key_release(stcb, chk->auth_keyid, SCTP_SO_LOCKED);\\n\\t\\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_chunk), chk);\\n\\t\\tSCTP_DECR_CHK_COUNT();\\n\\t\\tatomic_subtract_int(&SCTP_BASE_INFO(ipi_free_chunks), 1);\\n\\t\\tasoc->free_chunk_cnt--;\\n\\t\\t/*sa_ignore FREED_MEMORY*/\\n\\t}\\n\\t/* pending send queue SHOULD be empty */\\n\\tTAILQ_FOREACH_SAFE(chk, &asoc->send_queue, sctp_next, nchk) {\\n\\t\\tif (asoc->strmout[chk->rec.data.sid].chunks_on_queues > 0) {\\n\\t\\t\\tasoc->strmout[chk->rec.data.sid].chunks_on_queues--;\\n#ifdef INVARIANTS\\n\\t\\t} else {\\n\\t\\t\\tpanic(\\\"No chunks on the queues for sid %u.\\\", chk->rec.data.sid);\\n#endif\\n\\t\\t}\\n\\t\\tTAILQ_REMOVE(&asoc->send_queue, chk, sctp_next);\\n\\t\\tif (chk->data) {\\n\\t\\t\\tif (so) {\\n\\t\\t\\t\\t/* Still a socket? */\\n\\t\\t\\t\\tsctp_ulp_notify(SCTP_NOTIFY_UNSENT_DG_FAIL, stcb,\\n\\t\\t\\t\\t 0, chk, SCTP_SO_LOCKED);\\n\\t\\t\\t}\\n\\t\\t\\tif (chk->data) {\\n\\t\\t\\t\\tsctp_m_freem(chk->data);\\n\\t\\t\\t\\tchk->data = NULL;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\tif (chk->holds_key_ref)\\n\\t\\t\\tsctp_auth_key_release(stcb, chk->auth_keyid, SCTP_SO_LOCKED);\\n\\t\\tif (chk->whoTo) {\\n\\t\\t\\tsctp_free_remote_addr(chk->whoTo);\\n\\t\\t\\tchk->whoTo = NULL;\\n\\t\\t}\\n\\t\\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_chunk), chk);\\n\\t\\tSCTP_DECR_CHK_COUNT();\\n\\t\\t/*sa_ignore FREED_MEMORY*/\\n\\t}\\n\\t/* sent queue SHOULD be empty */\\n\\tTAILQ_FOREACH_SAFE(chk, &asoc->sent_queue, sctp_next, nchk) {\\n\\t\\tif (chk->sent != SCTP_DATAGRAM_NR_ACKED) {\\n\\t\\t\\tif (asoc->strmout[chk->rec.data.sid].chunks_on_queues > 0) {\\n\\t\\t\\t\\tasoc->strmout[chk->rec.data.sid].chunks_on_queues--;\\n#ifdef INVARIANTS\\n\\t\\t\\t} else {\\n\\t\\t\\t\\tpanic(\\\"No chunks on the queues for sid %u.\\\", chk->rec.data.sid);\\n#endif\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\tTAILQ_REMOVE(&asoc->sent_queue, chk, sctp_next);\\n\\t\\tif (chk->data) {\\n\\t\\t\\tif (so) {\\n\\t\\t\\t\\t/* Still a socket? */\\n\\t\\t\\t\\tsctp_ulp_notify(SCTP_NOTIFY_SENT_DG_FAIL, stcb,\\n\\t\\t\\t\\t 0, chk, SCTP_SO_LOCKED);\\n\\t\\t\\t}\\n\\t\\t\\tif (chk->data) {\\n\\t\\t\\t\\tsctp_m_freem(chk->data);\\n\\t\\t\\t\\tchk->data = NULL;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\tif (chk->holds_key_ref)\\n\\t\\t\\tsctp_auth_key_release(stcb, chk->auth_keyid, SCTP_SO_LOCKED);\\n\\t\\tsctp_free_remote_addr(chk->whoTo);\\n\\t\\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_chunk), chk);\\n\\t\\tSCTP_DECR_CHK_COUNT();\\n\\t\\t/*sa_ignore FREED_MEMORY*/\\n\\t}\\n#ifdef INVARIANTS\\n\\tfor (i = 0; i < stcb->asoc.streamoutcnt; i++) {\\n\\t\\tif (stcb->asoc.strmout[i].chunks_on_queues > 0) {\\n\\t\\t\\tpanic(\\\"%u chunks left for stream %u.\\\", stcb->asoc.strmout[i].chunks_on_queues, i);\\n\\t\\t}\\n\\t}\\n#endif\\n\\t/* control queue MAY not be empty */\\n\\tTAILQ_FOREACH_SAFE(chk, &asoc->control_send_queue, sctp_next, nchk) {\\n\\t\\tTAILQ_REMOVE(&asoc->control_send_queue, chk, sctp_next);\\n\\t\\tif (chk->data) {\\n\\t\\t\\tsctp_m_freem(chk->data);\\n\\t\\t\\tchk->data = NULL;\\n\\t\\t}\\n\\t\\tif (chk->holds_key_ref)\\n\\t\\t\\tsctp_auth_key_release(stcb, chk->auth_keyid, SCTP_SO_LOCKED);\\n\\t\\tsctp_free_remote_addr(chk->whoTo);\\n\\t\\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_chunk), chk);\\n\\t\\tSCTP_DECR_CHK_COUNT();\\n\\t\\t/*sa_ignore FREED_MEMORY*/\\n\\t}\\n\\t/* ASCONF queue MAY not be empty */\\n\\tTAILQ_FOREACH_SAFE(chk, &asoc->asconf_send_queue, sctp_next, nchk) {\\n\\t\\tTAILQ_REMOVE(&asoc->asconf_send_queue, chk, sctp_next);\\n\\t\\tif (chk->data) {\\n\\t\\t\\tsctp_m_freem(chk->data);\\n\\t\\t\\tchk->data = NULL;\\n\\t\\t}\\n\\t\\tif (chk->holds_key_ref)\\n\\t\\t\\tsctp_auth_key_release(stcb, chk->auth_keyid, SCTP_SO_LOCKED);\\n\\t\\tsctp_free_remote_addr(chk->whoTo);\\n\\t\\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_chunk), chk);\\n\\t\\tSCTP_DECR_CHK_COUNT();\\n\\t\\t/*sa_ignore FREED_MEMORY*/\\n\\t}\\n\\tif (asoc->mapping_array) {\\n\\t\\tSCTP_FREE(asoc->mapping_array, SCTP_M_MAP);\\n\\t\\tasoc->mapping_array = NULL;\\n\\t}\\n\\tif (asoc->nr_mapping_array) {\\n\\t\\tSCTP_FREE(asoc->nr_mapping_array, SCTP_M_MAP);\\n\\t\\tasoc->nr_mapping_array = NULL;\\n\\t}\\n\\t/* the stream outs */\\n\\tif (asoc->strmout) {\\n\\t\\tSCTP_FREE(asoc->strmout, SCTP_M_STRMO);\\n\\t\\tasoc->strmout = NULL;\\n\\t}\\n\\tasoc->strm_realoutsize = asoc->streamoutcnt = 0;\\n\\tif (asoc->strmin) {\\n\\t\\tfor (i = 0; i < asoc->streamincnt; i++) {\\n\\t\\t\\tsctp_clean_up_stream(stcb, &asoc->strmin[i].inqueue);\\n\\t\\t\\tsctp_clean_up_stream(stcb, &asoc->strmin[i].uno_inqueue);\\n\\t\\t}\\n\\t\\tSCTP_FREE(asoc->strmin, SCTP_M_STRMI);\\n\\t\\tasoc->strmin = NULL;\\n\\t}\\n\\tasoc->streamincnt = 0;\\n\\tTAILQ_FOREACH_SAFE(net, &asoc->nets, sctp_next, nnet) {\\n#ifdef INVARIANTS\\n\\t\\tif (SCTP_BASE_INFO(ipi_count_raddr) == 0) {\\n\\t\\t\\tpanic(\\\"no net's left alloc'ed, or list points to itself\\\");\\n\\t\\t}\\n#endif\\n\\t\\tTAILQ_REMOVE(&asoc->nets, net, sctp_next);\\n\\t\\tsctp_free_remote_addr(net);\\n\\t}\\n\\tLIST_FOREACH_SAFE(laddr, &asoc->sctp_restricted_addrs, sctp_nxt_addr, naddr) {\\n\\t\\t/*sa_ignore FREED_MEMORY*/\\n\\t\\tsctp_remove_laddr(laddr);\\n\\t}\",\n \"\\t/* pending asconf (address) parameters */\\n\\tTAILQ_FOREACH_SAFE(aparam, &asoc->asconf_queue, next, naparam) {\\n\\t\\t/*sa_ignore FREED_MEMORY*/\\n\\t\\tTAILQ_REMOVE(&asoc->asconf_queue, aparam, next);\\n\\t\\tSCTP_FREE(aparam,SCTP_M_ASC_ADDR);\\n\\t}\\n\\tTAILQ_FOREACH_SAFE(aack, &asoc->asconf_ack_sent, next, naack) {\\n\\t\\t/*sa_ignore FREED_MEMORY*/\\n\\t\\tTAILQ_REMOVE(&asoc->asconf_ack_sent, aack, next);\\n\\t\\tif (aack->data != NULL) {\\n\\t\\t\\tsctp_m_freem(aack->data);\\n\\t\\t}\\n\\t\\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_asconf_ack), aack);\\n\\t}\\n\\t/* clean up auth stuff */\\n\\tif (asoc->local_hmacs)\\n\\t\\tsctp_free_hmaclist(asoc->local_hmacs);\\n\\tif (asoc->peer_hmacs)\\n\\t\\tsctp_free_hmaclist(asoc->peer_hmacs);\",\n \"\\tif (asoc->local_auth_chunks)\\n\\t\\tsctp_free_chunklist(asoc->local_auth_chunks);\\n\\tif (asoc->peer_auth_chunks)\\n\\t\\tsctp_free_chunklist(asoc->peer_auth_chunks);\",\n \"\\tsctp_free_authinfo(&asoc->authinfo);\",\n \"\\tLIST_FOREACH_SAFE(shared_key, &asoc->shared_keys, next, nshared_key) {\\n\\t\\tLIST_REMOVE(shared_key, next);\\n\\t\\tsctp_free_sharedkey(shared_key);\\n\\t\\t/*sa_ignore FREED_MEMORY*/\\n\\t}\",\n \"\\t/* Insert new items here :> */\",\n \"\\t/* Get rid of LOCK */\\n\\tSCTP_TCB_UNLOCK(stcb);\\n\\tSCTP_TCB_LOCK_DESTROY(stcb);\\n\\tSCTP_TCB_SEND_LOCK_DESTROY(stcb);\\n\\tif (from_inpcbfree == SCTP_NORMAL_PROC) {\\n\\t\\tSCTP_INP_INFO_WUNLOCK();\\n\\t\\tSCTP_INP_RLOCK(inp);\\n\\t}\\n#if defined(__APPLE__) /* TEMP CODE */\\n\\tstcb->freed_from_where = from_location;\\n#endif\\n#ifdef SCTP_TRACK_FREED_ASOCS\\n\\tif (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) {\\n\\t\\t/* now clean up the tasoc itself */\\n\\t\\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_asoc), stcb);\\n\\t\\tSCTP_DECR_ASOC_COUNT();\\n\\t} else {\\n\\t\\tLIST_INSERT_HEAD(&inp->sctp_asoc_free_list, stcb, sctp_tcblist);\\n\\t}\\n#else\\n\\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_asoc), stcb);\\n\\tSCTP_DECR_ASOC_COUNT();\\n#endif\\n\\tif (from_inpcbfree == SCTP_NORMAL_PROC) {\\n\\t\\tif (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) {\\n\\t\\t\\t/* If its NOT the inp_free calling us AND\\n\\t\\t\\t * sctp_close as been called, we\\n\\t\\t\\t * call back...\\n\\t\\t\\t */\\n\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t\\t/* This will start the kill timer (if we are\\n\\t\\t\\t * the last one) since we hold an increment yet. But\\n\\t\\t\\t * this is the only safe way to do this\\n\\t\\t\\t * since otherwise if the socket closes\\n\\t\\t\\t * at the same time we are here we might\\n\\t\\t\\t * collide in the cleanup.\\n\\t\\t\\t */\\n\\t\\t\\tsctp_inpcb_free(inp,\\n\\t\\t\\t\\t\\tSCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE,\\n\\t\\t\\t\\t\\tSCTP_CALLED_DIRECTLY_NOCMPSET);\\n\\t\\t\\tSCTP_INP_DECR_REF(inp);\\n\\t\\t\\tgoto out_of;\\n\\t\\t} else {\\n\\t\\t\\t/* The socket is still open. */\\n\\t\\t\\tSCTP_INP_DECR_REF(inp);\\n\\t\\t}\\n\\t}\\n\\tif (from_inpcbfree == SCTP_NORMAL_PROC) {\\n\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t}\\n out_of:\\n\\t/* destroyed the asoc */\\n#ifdef SCTP_LOG_CLOSING\\n\\tsctp_log_closing(inp, NULL, 11);\\n#endif\\n\\treturn (1);\\n}\",\n \"\",\n \"/*\\n * determine if a destination is \\\"reachable\\\" based upon the addresses bound\\n * to the current endpoint (e.g. only v4 or v6 currently bound)\\n */\\n/*\\n * FIX: if we allow assoc-level bindx(), then this needs to be fixed to use\\n * assoc level v4/v6 flags, as the assoc *may* not have the same address\\n * types bound as its endpoint\\n */\\nint\\nsctp_destination_is_reachable(struct sctp_tcb *stcb, struct sockaddr *destaddr)\\n{\\n\\tstruct sctp_inpcb *inp;\\n\\tint answer;\",\n \"\\t/*\\n\\t * No locks here, the TCB, in all cases is already locked and an\\n\\t * assoc is up. There is either a INP lock by the caller applied (in\\n\\t * asconf case when deleting an address) or NOT in the HB case,\\n\\t * however if HB then the INP increment is up and the INP will not\\n\\t * be removed (on top of the fact that we have a TCB lock). So we\\n\\t * only want to read the sctp_flags, which is either bound-all or\\n\\t * not.. no protection needed since once an assoc is up you can't be\\n\\t * changing your binding.\\n\\t */\\n\\tinp = stcb->sctp_ep;\\n\\tif (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {\\n\\t\\t/* if bound all, destination is not restricted */\\n\\t\\t/*\\n\\t\\t * RRS: Question during lock work: Is this correct? If you\\n\\t\\t * are bound-all you still might need to obey the V4--V6\\n\\t\\t * flags??? IMO this bound-all stuff needs to be removed!\\n\\t\\t */\\n\\t\\treturn (1);\\n\\t}\\n\\t/* NOTE: all \\\"scope\\\" checks are done when local addresses are added */\\n\\tswitch (destaddr->sa_family) {\\n#ifdef INET6\\n\\tcase AF_INET6:\\n#if !(defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__))\\n\\t\\tanswer = inp->inp_vflag & INP_IPV6;\\n#else\\n\\t\\tanswer = inp->ip_inp.inp.inp_vflag & INP_IPV6;\\n#endif\\n\\t\\tbreak;\\n#endif\\n#ifdef INET\\n\\tcase AF_INET:\\n#if !(defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__))\\n\\t\\tanswer = inp->inp_vflag & INP_IPV4;\\n#else\\n\\t\\tanswer = inp->ip_inp.inp.inp_vflag & INP_IPV4;\\n#endif\\n\\t\\tbreak;\\n#endif\\n#if defined(__Userspace__)\\n\\tcase AF_CONN:\\n\\t\\tanswer = inp->ip_inp.inp.inp_vflag & INP_CONN;\\n\\t\\tbreak;\\n#endif\\n\\tdefault:\\n\\t\\t/* invalid family, so it's unreachable */\\n\\t\\tanswer = 0;\\n\\t\\tbreak;\\n\\t}\\n\\treturn (answer);\\n}\",\n \"/*\\n * update the inp_vflags on an endpoint\\n */\\nstatic void\\nsctp_update_ep_vflag(struct sctp_inpcb *inp)\\n{\\n\\tstruct sctp_laddr *laddr;\",\n \"\\t/* first clear the flag */\\n#if !(defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__))\\n\\tinp->inp_vflag = 0;\\n#else\\n\\tinp->ip_inp.inp.inp_vflag = 0;\\n#endif\\n\\t/* set the flag based on addresses on the ep list */\\n\\tLIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {\\n\\t\\tif (laddr->ifa == NULL) {\\n\\t\\t\\tSCTPDBG(SCTP_DEBUG_PCB1, \\\"%s: NULL ifa\\\\n\\\",\\n\\t\\t\\t\\t__func__);\\n\\t\\t\\tcontinue;\\n\\t\\t}\",\n \"\\t\\tif (laddr->ifa->localifa_flags & SCTP_BEING_DELETED) {\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\tswitch (laddr->ifa->address.sa.sa_family) {\\n#ifdef INET6\\n\\t\\tcase AF_INET6:\\n#if !(defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__))\\n\\t\\t\\tinp->inp_vflag |= INP_IPV6;\\n#else\\n\\t\\t\\tinp->ip_inp.inp.inp_vflag |= INP_IPV6;\\n#endif\\n\\t\\t\\tbreak;\\n#endif\\n#ifdef INET\\n\\t\\tcase AF_INET:\\n#if !(defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__))\\n\\t\\t\\tinp->inp_vflag |= INP_IPV4;\\n#else\\n\\t\\t\\tinp->ip_inp.inp.inp_vflag |= INP_IPV4;\\n#endif\\n\\t\\t\\tbreak;\\n#endif\\n#if defined(__Userspace__)\\n\\t\\tcase AF_CONN:\\n\\t\\t\\tinp->ip_inp.inp.inp_vflag |= INP_CONN;\\n\\t\\t\\tbreak;\\n#endif\\n\\t\\tdefault:\\n\\t\\t\\tbreak;\\n\\t\\t}\\n\\t}\\n}\",\n \"/*\\n * Add the address to the endpoint local address list There is nothing to be\\n * done if we are bound to all addresses\\n */\\nvoid\\nsctp_add_local_addr_ep(struct sctp_inpcb *inp, struct sctp_ifa *ifa, uint32_t action)\\n{\\n\\tstruct sctp_laddr *laddr;\\n\\tstruct sctp_tcb *stcb;\\n\\tint fnd, error = 0;\",\n \"\\tfnd = 0;\",\n \"\\tif (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {\\n\\t\\t/* You are already bound to all. You have it already */\\n\\t\\treturn;\\n\\t}\\n#ifdef INET6\\n\\tif (ifa->address.sa.sa_family == AF_INET6) {\\n\\t\\tif (ifa->localifa_flags & SCTP_ADDR_IFA_UNUSEABLE) {\\n\\t\\t\\t/* Can't bind a non-useable addr. */\\n\\t\\t\\treturn;\\n\\t\\t}\\n\\t}\\n#endif\\n\\t/* first, is it already present? */\\n\\tLIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {\\n\\t\\tif (laddr->ifa == ifa) {\\n\\t\\t\\tfnd = 1;\\n\\t\\t\\tbreak;\\n\\t\\t}\\n\\t}\",\n \"\\tif (fnd == 0) {\\n\\t\\t/* Not in the ep list */\\n\\t\\terror = sctp_insert_laddr(&inp->sctp_addr_list, ifa, action);\\n\\t\\tif (error != 0)\\n\\t\\t\\treturn;\\n\\t\\tinp->laddr_count++;\\n\\t\\t/* update inp_vflag flags */\\n\\t\\tswitch (ifa->address.sa.sa_family) {\\n#ifdef INET6\\n\\t\\tcase AF_INET6:\\n#if !(defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__))\\n\\t\\t\\tinp->inp_vflag |= INP_IPV6;\\n#else\\n\\t\\t\\tinp->ip_inp.inp.inp_vflag |= INP_IPV6;\\n#endif\\n\\t\\t\\tbreak;\\n#endif\\n#ifdef INET\\n\\t\\tcase AF_INET:\\n#if !(defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__))\\n\\t\\t\\tinp->inp_vflag |= INP_IPV4;\\n#else\\n\\t\\t\\tinp->ip_inp.inp.inp_vflag |= INP_IPV4;\\n#endif\\n\\t\\t\\tbreak;\\n#endif\\n#if defined(__Userspace__)\\n\\t\\tcase AF_CONN:\\n\\t\\t\\tinp->ip_inp.inp.inp_vflag |= INP_CONN;\\n\\t\\t\\tbreak;\\n#endif\\n\\t\\tdefault:\\n\\t\\t\\tbreak;\\n\\t\\t}\\n\\t\\tLIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {\\n\\t\\t\\tsctp_add_local_addr_restricted(stcb, ifa);\\n\\t\\t}\\n\\t}\\n\\treturn;\\n}\",\n \"\\n/*\\n * select a new (hopefully reachable) destination net (should only be used\\n * when we deleted an ep addr that is the only usable source address to reach\\n * the destination net)\\n */\\nstatic void\\nsctp_select_primary_destination(struct sctp_tcb *stcb)\\n{\\n\\tstruct sctp_nets *net;\",\n \"\\tTAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {\\n\\t\\t/* for now, we'll just pick the first reachable one we find */\\n\\t\\tif (net->dest_state & SCTP_ADDR_UNCONFIRMED)\\n\\t\\t\\tcontinue;\\n\\t\\tif (sctp_destination_is_reachable(stcb,\\n\\t\\t (struct sockaddr *)&net->ro._l_addr)) {\\n\\t\\t\\t/* found a reachable destination */\\n\\t\\t\\tstcb->asoc.primary_destination = net;\\n\\t\\t}\\n\\t}\\n\\t/* I can't there from here! ...we're gonna die shortly... */\\n}\",\n \"\\n/*\\n * Delete the address from the endpoint local address list. There is nothing\\n * to be done if we are bound to all addresses\\n */\\nvoid\\nsctp_del_local_addr_ep(struct sctp_inpcb *inp, struct sctp_ifa *ifa)\\n{\\n\\tstruct sctp_laddr *laddr;\\n\\tint fnd;\",\n \"\\tfnd = 0;\\n\\tif (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {\\n\\t\\t/* You are already bound to all. You have it already */\\n\\t\\treturn;\\n\\t}\\n\\tLIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {\\n\\t\\tif (laddr->ifa == ifa) {\\n\\t\\t\\tfnd = 1;\\n\\t\\t\\tbreak;\\n\\t\\t}\\n\\t}\\n\\tif (fnd && (inp->laddr_count < 2)) {\\n\\t\\t/* can't delete unless there are at LEAST 2 addresses */\\n\\t\\treturn;\\n\\t}\\n\\tif (fnd) {\\n\\t\\t/*\\n\\t\\t * clean up any use of this address go through our\\n\\t\\t * associations and clear any last_used_address that match\\n\\t\\t * this one for each assoc, see if a new primary_destination\\n\\t\\t * is needed\\n\\t\\t */\\n\\t\\tstruct sctp_tcb *stcb;\",\n \"\\t\\t/* clean up \\\"next_addr_touse\\\" */\\n\\t\\tif (inp->next_addr_touse == laddr)\\n\\t\\t\\t/* delete this address */\\n\\t\\t\\tinp->next_addr_touse = NULL;\",\n \"\\t\\t/* clean up \\\"last_used_address\\\" */\\n\\t\\tLIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {\\n\\t\\t\\tstruct sctp_nets *net;\",\n \"\\t\\t\\tSCTP_TCB_LOCK(stcb);\\n\\t\\t\\tif (stcb->asoc.last_used_address == laddr)\\n\\t\\t\\t\\t/* delete this address */\\n\\t\\t\\t\\tstcb->asoc.last_used_address = NULL;\\n\\t\\t\\t/* Now spin through all the nets and purge any ref to laddr */\\n\\t\\t\\tTAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {\\n\\t\\t\\t\\tif (net->ro._s_addr == laddr->ifa) {\\n\\t\\t\\t\\t\\t/* Yep, purge src address selected */\\n\\t\\t\\t\\t\\tsctp_rtentry_t *rt;\",\n \"\\t\\t\\t\\t\\t/* delete this address if cached */\\n\\t\\t\\t\\t\\trt = net->ro.ro_rt;\\n\\t\\t\\t\\t\\tif (rt != NULL) {\\n\\t\\t\\t\\t\\t\\tRTFREE(rt);\\n\\t\\t\\t\\t\\t\\tnet->ro.ro_rt = NULL;\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tsctp_free_ifa(net->ro._s_addr);\\n\\t\\t\\t\\t\\tnet->ro._s_addr = NULL;\\n\\t\\t\\t\\t\\tnet->src_addr_selected = 0;\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t\\t}\\t\\t/* for each tcb */\\n\\t\\t/* remove it from the ep list */\\n\\t\\tsctp_remove_laddr(laddr);\\n\\t\\tinp->laddr_count--;\\n\\t\\t/* update inp_vflag flags */\\n\\t\\tsctp_update_ep_vflag(inp);\\n\\t}\\n\\treturn;\\n}\",\n \"/*\\n * Add the address to the TCB local address restricted list.\\n * This is a \\\"pending\\\" address list (eg. addresses waiting for an\\n * ASCONF-ACK response) and cannot be used as a valid source address.\\n */\\nvoid\\nsctp_add_local_addr_restricted(struct sctp_tcb *stcb, struct sctp_ifa *ifa)\\n{\\n\\tstruct sctp_laddr *laddr;\\n\\tstruct sctpladdr *list;\",\n \"\\t/*\\n\\t * Assumes TCB is locked.. and possibly the INP. May need to\\n\\t * confirm/fix that if we need it and is not the case.\\n\\t */\\n\\tlist = &stcb->asoc.sctp_restricted_addrs;\",\n \"#ifdef INET6\\n\\tif (ifa->address.sa.sa_family == AF_INET6) {\\n\\t\\tif (ifa->localifa_flags & SCTP_ADDR_IFA_UNUSEABLE) {\\n\\t\\t\\t/* Can't bind a non-existent addr. */\\n\\t\\t\\treturn;\\n\\t\\t}\\n\\t}\\n#endif\\n\\t/* does the address already exist? */\\n\\tLIST_FOREACH(laddr, list, sctp_nxt_addr) {\\n\\t\\tif (laddr->ifa == ifa) {\\n\\t\\t\\treturn;\\n\\t\\t}\\n\\t}\",\n \"\\t/* add to the list */\\n\\t(void)sctp_insert_laddr(list, ifa, 0);\\n\\treturn;\\n}\",\n \"/*\\n * Remove a local address from the TCB local address restricted list\\n */\\nvoid\\nsctp_del_local_addr_restricted(struct sctp_tcb *stcb, struct sctp_ifa *ifa)\\n{\\n\\tstruct sctp_inpcb *inp;\\n\\tstruct sctp_laddr *laddr;\",\n \"\\t/*\\n\\t * This is called by asconf work. It is assumed that a) The TCB is\\n\\t * locked and b) The INP is locked. This is true in as much as I can\\n\\t * trace through the entry asconf code where I did these locks.\\n\\t * Again, the ASCONF code is a bit different in that it does lock\\n\\t * the INP during its work often times. This must be since we don't\\n\\t * want other proc's looking up things while what they are looking\\n\\t * up is changing :-D\\n\\t */\",\n \"\\tinp = stcb->sctp_ep;\\n\\t/* if subset bound and don't allow ASCONF's, can't delete last */\\n\\tif (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) &&\\n\\t sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_ASCONF)) {\\n\\t\\tif (stcb->sctp_ep->laddr_count < 2) {\\n\\t\\t\\t/* can't delete last address */\\n\\t\\t\\treturn;\\n\\t\\t}\\n\\t}\\n\\tLIST_FOREACH(laddr, &stcb->asoc.sctp_restricted_addrs, sctp_nxt_addr) {\\n\\t\\t/* remove the address if it exists */\\n\\t\\tif (laddr->ifa == NULL)\\n\\t\\t\\tcontinue;\\n\\t\\tif (laddr->ifa == ifa) {\\n\\t\\t\\tsctp_remove_laddr(laddr);\\n\\t\\t\\treturn;\\n\\t\\t}\\n\\t}\",\n \"\\t/* address not found! */\\n\\treturn;\\n}\",\n \"#if defined(__FreeBSD__)\\n/*\\n * Temporarily remove for __APPLE__ until we use the Tiger equivalents\\n */\\n/* sysctl */\\nstatic int sctp_max_number_of_assoc = SCTP_MAX_NUM_OF_ASOC;\\nstatic int sctp_scale_up_for_address = SCTP_SCALE_FOR_ADDR;\\n#endif\\t\\t\\t\\t/* FreeBSD || APPLE */\",\n \"\",\n \"#if defined(__FreeBSD__) && defined(SCTP_MCORE_INPUT) && defined(SMP)\\nstruct sctp_mcore_ctrl *sctp_mcore_workers = NULL;\\nint *sctp_cpuarry = NULL;\\nvoid\\nsctp_queue_to_mcore(struct mbuf *m, int off, int cpu_to_use)\\n{\\n\\t/* Queue a packet to a processor for the specified core */\\n\\tstruct sctp_mcore_queue *qent;\\n\\tstruct sctp_mcore_ctrl *wkq;\\n\\tint need_wake = 0;\\n\\tif (sctp_mcore_workers == NULL) {\\n\\t\\t/* Something went way bad during setup */\\n\\t\\tsctp_input_with_port(m, off, 0);\\n\\t\\treturn;\\n\\t}\\n\\tSCTP_MALLOC(qent, struct sctp_mcore_queue *,\\n\\t\\t (sizeof(struct sctp_mcore_queue)),\\n\\t\\t SCTP_M_MCORE);\\n\\tif (qent == NULL) {\\n\\t\\t/* This is trouble */\\n\\t\\tsctp_input_with_port(m, off, 0);\\n\\t\\treturn;\\n\\t}\\n#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\\n\\tqent->vn = curvnet;\\n#endif\\n\\tqent->m = m;\\n\\tqent->off = off;\\n\\tqent->v6 = 0;\\n\\twkq = &sctp_mcore_workers[cpu_to_use];\\n\\tSCTP_MCORE_QLOCK(wkq);\",\n \"\\tTAILQ_INSERT_TAIL(&wkq->que, qent, next);\\n\\tif (wkq->running == 0) {\\n\\t\\tneed_wake = 1;\\n\\t}\\n\\tSCTP_MCORE_QUNLOCK(wkq);\\n\\tif (need_wake) {\\n\\t\\twakeup(&wkq->running);\\n\\t}\\n}\",\n \"static void\\nsctp_mcore_thread(void *arg)\\n{\",\n \"\\tstruct sctp_mcore_ctrl *wkq;\\n\\tstruct sctp_mcore_queue *qent;\",\n \"\\twkq = (struct sctp_mcore_ctrl *)arg;\\n\\tstruct mbuf *m;\\n\\tint off, v6;\",\n \"\\t/* Wait for first tickle */\\n\\tSCTP_MCORE_LOCK(wkq);\\n\\twkq->running = 0;\\n\\tmsleep(&wkq->running,\\n\\t &wkq->core_mtx,\\n\\t 0, \\\"wait for pkt\\\", 0);\\n\\tSCTP_MCORE_UNLOCK(wkq);\",\n \"\\t/* Bind to our cpu */\\n\\tthread_lock(curthread);\\n\\tsched_bind(curthread, wkq->cpuid);\\n\\tthread_unlock(curthread);\",\n \"\\t/* Now lets start working */\\n\\tSCTP_MCORE_LOCK(wkq);\\n\\t/* Now grab lock and go */\\n\\tfor (;;) {\\n\\t\\tSCTP_MCORE_QLOCK(wkq);\\n\\tskip_sleep:\\n\\t\\twkq->running = 1;\\n\\t\\tqent = TAILQ_FIRST(&wkq->que);\\n\\t\\tif (qent) {\\n\\t\\t\\tTAILQ_REMOVE(&wkq->que, qent, next);\\n\\t\\t\\tSCTP_MCORE_QUNLOCK(wkq);\\n#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\\n\\t\\t\\tCURVNET_SET(qent->vn);\\n#endif\\n\\t\\t\\tm = qent->m;\\n\\t\\t\\toff = qent->off;\\n\\t\\t\\tv6 = qent->v6;\\n\\t\\t\\tSCTP_FREE(qent, SCTP_M_MCORE);\\n\\t\\t\\tif (v6 == 0) {\\n\\t\\t\\t\\tsctp_input_with_port(m, off, 0);\\n\\t\\t\\t} else {\\n\\t\\t\\t\\tSCTP_PRINTF(\\\"V6 not yet supported\\\\n\\\");\\n\\t\\t\\t\\tsctp_m_freem(m);\\n\\t\\t\\t}\\n#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\\n\\t\\t\\tCURVNET_RESTORE();\\n#endif\\n\\t\\t\\tSCTP_MCORE_QLOCK(wkq);\\n\\t\\t}\\n\\t\\twkq->running = 0;\\n\\t\\tif (!TAILQ_EMPTY(&wkq->que)) {\\n\\t\\t\\tgoto skip_sleep;\\n\\t\\t}\\n\\t\\tSCTP_MCORE_QUNLOCK(wkq);\\n\\t\\tmsleep(&wkq->running,\\n\\t\\t &wkq->core_mtx,\\n\\t\\t 0, \\\"wait for pkt\\\", 0);\\n\\t}\\n}\",\n \"static void\\nsctp_startup_mcore_threads(void)\\n{\\n\\tint i, cpu;\",\n \"\\tif (mp_ncpus == 1)\\n\\t\\treturn;\",\n \"\\tif (sctp_mcore_workers != NULL) {\\n\\t\\t/* Already been here in some previous\\n\\t\\t * vnet?\\n\\t\\t */\\n\\t\\treturn;\\n\\t}\\n\\tSCTP_MALLOC(sctp_mcore_workers, struct sctp_mcore_ctrl *,\\n\\t\\t ((mp_maxid+1) * sizeof(struct sctp_mcore_ctrl)),\\n\\t\\t SCTP_M_MCORE);\\n\\tif (sctp_mcore_workers == NULL) {\\n\\t\\t/* TSNH I hope */\\n\\t\\treturn;\\n\\t}\\n\\tmemset(sctp_mcore_workers, 0 , ((mp_maxid+1) *\\n\\t\\t\\t\\t\\tsizeof(struct sctp_mcore_ctrl)));\\n\\t/* Init the structures */\\n\\tfor (i = 0; i<=mp_maxid; i++) {\\n\\t\\tTAILQ_INIT(&sctp_mcore_workers[i].que);\\n\\t\\tSCTP_MCORE_LOCK_INIT(&sctp_mcore_workers[i]);\\n\\t\\tSCTP_MCORE_QLOCK_INIT(&sctp_mcore_workers[i]);\\n\\t\\tsctp_mcore_workers[i].cpuid = i;\\n\\t}\\n\\tif (sctp_cpuarry == NULL) {\\n\\t\\tSCTP_MALLOC(sctp_cpuarry, int *,\\n\\t\\t\\t (mp_ncpus * sizeof(int)),\\n\\t\\t\\t SCTP_M_MCORE);\\n\\t\\ti = 0;\\n\\t\\tCPU_FOREACH(cpu) {\\n\\t\\t\\tsctp_cpuarry[i] = cpu;\\n\\t\\t\\ti++;\\n\\t\\t}\\n\\t}\",\n \"\\t/* Now start them all */\\n\\tCPU_FOREACH(cpu) {\\n#if __FreeBSD_version <= 701000\\n\\t\\t(void)kthread_create(sctp_mcore_thread,\\n\\t\\t\\t\\t (void *)&sctp_mcore_workers[cpu],\\n\\t\\t\\t\\t &sctp_mcore_workers[cpu].thread_proc,\\n\\t\\t\\t\\t RFPROC,\\n\\t\\t\\t\\t SCTP_KTHREAD_PAGES,\\n\\t\\t\\t\\t SCTP_MCORE_NAME);\",\n \"#else\\n\\t\\t(void)kproc_create(sctp_mcore_thread,\\n\\t\\t\\t\\t (void *)&sctp_mcore_workers[cpu],\\n\\t\\t\\t\\t &sctp_mcore_workers[cpu].thread_proc,\\n\\t\\t\\t\\t RFPROC,\\n\\t\\t\\t\\t SCTP_KTHREAD_PAGES,\\n\\t\\t\\t\\t SCTP_MCORE_NAME);\\n#endif\",\n \"\\t}\\n}\\n#endif\\n#if defined(__FreeBSD__) && __FreeBSD_cc_version >= 1400000\\nstatic struct mbuf *\\nsctp_netisr_hdlr(struct mbuf *m, uintptr_t source)\\n{\\n\\tstruct ip *ip;\\n\\tstruct sctphdr *sh;\\n\\tint offset;\\n\\tuint32_t flowid, tag;\",\n \"\\t/*\\n\\t * No flow id built by lower layers fix it so we\\n\\t * create one.\\n\\t */\\n\\tip = mtod(m, struct ip *);\\n\\toffset = (ip->ip_hl << 2) + sizeof(struct sctphdr);\\n\\tif (SCTP_BUF_LEN(m) < offset) {\\n\\t\\tif ((m = m_pullup(m, offset)) == NULL) {\\n\\t\\t\\tSCTP_STAT_INCR(sctps_hdrops);\\n\\t\\t\\treturn (NULL);\\n\\t\\t}\\n\\t\\tip = mtod(m, struct ip *);\\n\\t}\\n\\tsh = (struct sctphdr *)((caddr_t)ip + (ip->ip_hl << 2));\\n\\ttag = htonl(sh->v_tag);\\n\\tflowid = tag ^ ntohs(sh->dest_port) ^ ntohs(sh->src_port);\\n\\tm->m_pkthdr.flowid = flowid;\\n/* FIX ME */\\n\\tm->m_flags |= M_FLOWID;\\n\\treturn (m);\\n}\\n#endif\",\n \"void\\n#if defined(__Userspace__)\\nsctp_pcb_init(int start_threads)\\n#else\\nsctp_pcb_init(void)\\n#endif\\n{\\n\\t/*\\n\\t * SCTP initialization for the PCB structures should be called by\\n\\t * the sctp_init() function.\\n\\t */\\n\\tint i;\\n\\tstruct timeval tv;\",\n \"\\tif (SCTP_BASE_VAR(sctp_pcb_initialized) != 0) {\\n\\t\\t/* error I was called twice */\\n\\t\\treturn;\\n\\t}\\n\\tSCTP_BASE_VAR(sctp_pcb_initialized) = 1;\",\n \"#if defined(SCTP_PROCESS_LEVEL_LOCKS)\\n#if !defined(__Userspace_os_Windows)\\n\\tpthread_mutexattr_init(&SCTP_BASE_VAR(mtx_attr));\\n#ifdef INVARIANTS\\n\\tpthread_mutexattr_settype(&SCTP_BASE_VAR(mtx_attr), PTHREAD_MUTEX_ERRORCHECK);\\n#endif\\n#endif\\n#endif\\n#if defined(SCTP_LOCAL_TRACE_BUF)\\n#if defined(__Windows__)\\n\\tif (SCTP_BASE_SYSCTL(sctp_log) != NULL) {\\n\\t\\tmemset(SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log));\\n\\t}\\n#else\\n\\tmemset(&SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log));\\n#endif\\n#endif\\n#if defined(__FreeBSD__) && defined(SMP) && defined(SCTP_USE_PERCPU_STAT)\\n\\tSCTP_MALLOC(SCTP_BASE_STATS, struct sctpstat *,\\n\\t\\t ((mp_maxid+1) * sizeof(struct sctpstat)),\\n\\t\\t SCTP_M_MCORE);\\n#endif\\n\\t(void)SCTP_GETTIME_TIMEVAL(&tv);\\n#if defined(__FreeBSD__) && defined(SMP) && defined(SCTP_USE_PERCPU_STAT)\\n\\tmemset(SCTP_BASE_STATS, 0, sizeof(struct sctpstat) * (mp_maxid+1));\\n\\tSCTP_BASE_STATS[PCPU_GET(cpuid)].sctps_discontinuitytime.tv_sec = (uint32_t)tv.tv_sec;\\n\\tSCTP_BASE_STATS[PCPU_GET(cpuid)].sctps_discontinuitytime.tv_usec = (uint32_t)tv.tv_usec;\\n#else\\n\\tmemset(&SCTP_BASE_STATS, 0, sizeof(struct sctpstat));\\n\\tSCTP_BASE_STAT(sctps_discontinuitytime).tv_sec = (uint32_t)tv.tv_sec;\\n\\tSCTP_BASE_STAT(sctps_discontinuitytime).tv_usec = (uint32_t)tv.tv_usec;\\n#endif\\n\\t/* init the empty list of (All) Endpoints */\\n\\tLIST_INIT(&SCTP_BASE_INFO(listhead));\\n#if defined(__APPLE__)\\n\\tLIST_INIT(&SCTP_BASE_INFO(inplisthead));\\n#if defined(APPLE_LEOPARD) || defined(APPLE_SNOWLEOPARD) || defined(APPLE_LION) || defined(APPLE_MOUNTAINLION)\\n\\tSCTP_BASE_INFO(sctbinfo).listhead = &SCTP_BASE_INFO(inplisthead);\\n\\tSCTP_BASE_INFO(sctbinfo).mtx_grp_attr = lck_grp_attr_alloc_init();\\n\\tlck_grp_attr_setdefault(SCTP_BASE_INFO(sctbinfo).mtx_grp_attr);\\n\\tSCTP_BASE_INFO(sctbinfo).mtx_grp = lck_grp_alloc_init(\\\"sctppcb\\\", SCTP_BASE_INFO(sctbinfo).mtx_grp_attr);\\n\\tSCTP_BASE_INFO(sctbinfo).mtx_attr = lck_attr_alloc_init();\\n\\tlck_attr_setdefault(SCTP_BASE_INFO(sctbinfo).mtx_attr);\\n#else\\n\\tSCTP_BASE_INFO(sctbinfo).ipi_listhead = &SCTP_BASE_INFO(inplisthead);\\n\\tSCTP_BASE_INFO(sctbinfo).ipi_lock_grp_attr = lck_grp_attr_alloc_init();\\n\\tlck_grp_attr_setdefault(SCTP_BASE_INFO(sctbinfo).ipi_lock_grp_attr);\\n\\tSCTP_BASE_INFO(sctbinfo).ipi_lock_grp = lck_grp_alloc_init(\\\"sctppcb\\\", SCTP_BASE_INFO(sctbinfo).ipi_lock_grp_attr);\\n\\tSCTP_BASE_INFO(sctbinfo).ipi_lock_attr = lck_attr_alloc_init();\\n\\tlck_attr_setdefault(SCTP_BASE_INFO(sctbinfo).ipi_lock_attr);\\n#endif\\n#if !defined(APPLE_LEOPARD) && !defined(APPLE_SNOWLEOPARD) && !defined(APPLE_LION) && !defined(APPLE_MOUNTAINLION)\\n\\tSCTP_BASE_INFO(sctbinfo).ipi_gc = sctp_gc;\\n\\tin_pcbinfo_attach(&SCTP_BASE_INFO(sctbinfo));\\n#endif\\n#endif\",\n \"\\n\\t/* init the hash table of endpoints */\\n#if defined(__FreeBSD__)\\n#if defined(__FreeBSD_cc_version) && __FreeBSD_cc_version >= 440000\\n\\tTUNABLE_INT_FETCH(\\\"net.inet.sctp.tcbhashsize\\\", &SCTP_BASE_SYSCTL(sctp_hashtblsize));\\n\\tTUNABLE_INT_FETCH(\\\"net.inet.sctp.pcbhashsize\\\", &SCTP_BASE_SYSCTL(sctp_pcbtblsize));\\n\\tTUNABLE_INT_FETCH(\\\"net.inet.sctp.chunkscale\\\", &SCTP_BASE_SYSCTL(sctp_chunkscale));\\n#else\\n\\tTUNABLE_INT_FETCH(\\\"net.inet.sctp.tcbhashsize\\\", SCTP_TCBHASHSIZE,\\n\\t\\t\\t SCTP_BASE_SYSCTL(sctp_hashtblsize));\\n\\tTUNABLE_INT_FETCH(\\\"net.inet.sctp.pcbhashsize\\\", SCTP_PCBHASHSIZE,\\n\\t\\t\\t SCTP_BASE_SYSCTL(sctp_pcbtblsize));\\n\\tTUNABLE_INT_FETCH(\\\"net.inet.sctp.chunkscale\\\", SCTP_CHUNKQUEUE_SCALE,\\n\\t\\t\\t SCTP_BASE_SYSCTL(sctp_chunkscale));\\n#endif\\n#endif\\n\\tSCTP_BASE_INFO(sctp_asochash) = SCTP_HASH_INIT((SCTP_BASE_SYSCTL(sctp_hashtblsize) * 31),\\n\\t\\t\\t\\t\\t\\t &SCTP_BASE_INFO(hashasocmark));\\n\\tSCTP_BASE_INFO(sctp_ephash) = SCTP_HASH_INIT(SCTP_BASE_SYSCTL(sctp_hashtblsize),\\n\\t\\t\\t\\t\\t\\t &SCTP_BASE_INFO(hashmark));\\n\\tSCTP_BASE_INFO(sctp_tcpephash) = SCTP_HASH_INIT(SCTP_BASE_SYSCTL(sctp_hashtblsize),\\n\\t\\t\\t\\t\\t\\t\\t&SCTP_BASE_INFO(hashtcpmark));\\n\\tSCTP_BASE_INFO(hashtblsize) = SCTP_BASE_SYSCTL(sctp_hashtblsize);\",\n \"\\n\\tSCTP_BASE_INFO(sctp_vrfhash) = SCTP_HASH_INIT(SCTP_SIZE_OF_VRF_HASH,\\n\\t\\t\\t\\t\\t\\t &SCTP_BASE_INFO(hashvrfmark));\",\n \"\\tSCTP_BASE_INFO(vrf_ifn_hash) = SCTP_HASH_INIT(SCTP_VRF_IFN_HASH_SIZE,\\n\\t\\t\\t\\t\\t\\t &SCTP_BASE_INFO(vrf_ifn_hashmark));\\n\\t/* init the zones */\\n\\t/*\\n\\t * FIX ME: Should check for NULL returns, but if it does fail we are\\n\\t * doomed to panic anyways... add later maybe.\\n\\t */\\n\\tSCTP_ZONE_INIT(SCTP_BASE_INFO(ipi_zone_ep), \\\"sctp_ep\\\",\\n\\t\\t sizeof(struct sctp_inpcb), maxsockets);\",\n \"\\tSCTP_ZONE_INIT(SCTP_BASE_INFO(ipi_zone_asoc), \\\"sctp_asoc\\\",\\n\\t\\t sizeof(struct sctp_tcb), sctp_max_number_of_assoc);\",\n \"\\tSCTP_ZONE_INIT(SCTP_BASE_INFO(ipi_zone_laddr), \\\"sctp_laddr\\\",\\n\\t\\t sizeof(struct sctp_laddr),\\n\\t\\t (sctp_max_number_of_assoc * sctp_scale_up_for_address));\",\n \"\\tSCTP_ZONE_INIT(SCTP_BASE_INFO(ipi_zone_net), \\\"sctp_raddr\\\",\\n\\t\\t sizeof(struct sctp_nets),\\n\\t\\t (sctp_max_number_of_assoc * sctp_scale_up_for_address));\",\n \"\\tSCTP_ZONE_INIT(SCTP_BASE_INFO(ipi_zone_chunk), \\\"sctp_chunk\\\",\\n\\t\\t sizeof(struct sctp_tmit_chunk),\\n\\t\\t (sctp_max_number_of_assoc * SCTP_BASE_SYSCTL(sctp_chunkscale)));\",\n \"\\tSCTP_ZONE_INIT(SCTP_BASE_INFO(ipi_zone_readq), \\\"sctp_readq\\\",\\n\\t\\t sizeof(struct sctp_queued_to_read),\\n\\t\\t (sctp_max_number_of_assoc * SCTP_BASE_SYSCTL(sctp_chunkscale)));\",\n \"\\tSCTP_ZONE_INIT(SCTP_BASE_INFO(ipi_zone_strmoq), \\\"sctp_stream_msg_out\\\",\\n\\t\\t sizeof(struct sctp_stream_queue_pending),\\n\\t\\t (sctp_max_number_of_assoc * SCTP_BASE_SYSCTL(sctp_chunkscale)));\",\n \"\\tSCTP_ZONE_INIT(SCTP_BASE_INFO(ipi_zone_asconf), \\\"sctp_asconf\\\",\\n\\t\\t sizeof(struct sctp_asconf),\\n\\t\\t (sctp_max_number_of_assoc * SCTP_BASE_SYSCTL(sctp_chunkscale)));\",\n \"\\tSCTP_ZONE_INIT(SCTP_BASE_INFO(ipi_zone_asconf_ack), \\\"sctp_asconf_ack\\\",\\n\\t\\t sizeof(struct sctp_asconf_ack),\\n\\t\\t (sctp_max_number_of_assoc * SCTP_BASE_SYSCTL(sctp_chunkscale)));\",\n \"\\n\\t/* Master Lock INIT for info structure */\\n\\tSCTP_INP_INFO_LOCK_INIT();\\n\\tSCTP_STATLOG_INIT_LOCK();\",\n \"\\tSCTP_IPI_COUNT_INIT();\\n\\tSCTP_IPI_ADDR_INIT();\\n#ifdef SCTP_PACKET_LOGGING\\n\\tSCTP_IP_PKTLOG_INIT();\\n#endif\\n\\tLIST_INIT(&SCTP_BASE_INFO(addr_wq));\",\n \"\\tSCTP_WQ_ADDR_INIT();\\n\\t/* not sure if we need all the counts */\\n\\tSCTP_BASE_INFO(ipi_count_ep) = 0;\\n\\t/* assoc/tcb zone info */\\n\\tSCTP_BASE_INFO(ipi_count_asoc) = 0;\\n\\t/* local addrlist zone info */\\n\\tSCTP_BASE_INFO(ipi_count_laddr) = 0;\\n\\t/* remote addrlist zone info */\\n\\tSCTP_BASE_INFO(ipi_count_raddr) = 0;\\n\\t/* chunk info */\\n\\tSCTP_BASE_INFO(ipi_count_chunk) = 0;\",\n \"\\t/* socket queue zone info */\\n\\tSCTP_BASE_INFO(ipi_count_readq) = 0;\",\n \"\\t/* stream out queue cont */\\n\\tSCTP_BASE_INFO(ipi_count_strmoq) = 0;\",\n \"\\tSCTP_BASE_INFO(ipi_free_strmoq) = 0;\\n\\tSCTP_BASE_INFO(ipi_free_chunks) = 0;\",\n \"\\tSCTP_OS_TIMER_INIT(&SCTP_BASE_INFO(addr_wq_timer.timer));\",\n \"\\t/* Init the TIMEWAIT list */\\n\\tfor (i = 0; i < SCTP_STACK_VTAG_HASH_SIZE; i++) {\\n\\t\\tLIST_INIT(&SCTP_BASE_INFO(vtag_timewait)[i]);\\n\\t}\\n#if defined(SCTP_PROCESS_LEVEL_LOCKS)\\n#if defined(__Userspace_os_Windows)\\n\\tInitializeConditionVariable(&sctp_it_ctl.iterator_wakeup);\\n#else\\n\\t(void)pthread_cond_init(&sctp_it_ctl.iterator_wakeup, NULL);\\n#endif\\n#endif\\n\\tsctp_startup_iterator();\",\n \"#if defined(__FreeBSD__) && defined(SCTP_MCORE_INPUT) && defined(SMP)\\n\\tsctp_startup_mcore_threads();\\n#endif\",\n \"#ifndef __Panda__\\n\\t/*\\n\\t * INIT the default VRF which for BSD is the only one, other O/S's\\n\\t * may have more. But initially they must start with one and then\\n\\t * add the VRF's as addresses are added.\\n\\t */\\n\\tsctp_init_vrf_list(SCTP_DEFAULT_VRF);\\n#endif\\n#if defined(__FreeBSD__) && __FreeBSD_cc_version >= 1400000\\n\\tif (ip_register_flow_handler(sctp_netisr_hdlr, IPPROTO_SCTP)) {\\n\\t\\tSCTP_PRINTF(\\\"***SCTP- Error can't register netisr handler***\\\\n\\\");\\n\\t}\\n#endif\\n#if defined(_SCTP_NEEDS_CALLOUT_) || defined(_USER_SCTP_NEEDS_CALLOUT_)\\n\\t/* allocate the lock for the callout/timer queue */\\n\\tSCTP_TIMERQ_LOCK_INIT();\\n\\tSCTP_TIMERWAIT_LOCK_INIT();\\n\\tTAILQ_INIT(&SCTP_BASE_INFO(callqueue));\\n#endif\\n#if defined(__Userspace__)\\n\\tmbuf_initialize(NULL);\\n\\tatomic_init();\\n#if defined(INET) || defined(INET6)\\n\\tif (start_threads)\\n\\t\\trecv_thread_init();\\n#endif\\n#endif\\n}\",\n \"/*\\n * Assumes that the SCTP_BASE_INFO() lock is NOT held.\\n */\\nvoid\\nsctp_pcb_finish(void)\\n{\\n\\tstruct sctp_vrflist *vrf_bucket;\\n\\tstruct sctp_vrf *vrf, *nvrf;\\n\\tstruct sctp_ifn *ifn, *nifn;\\n\\tstruct sctp_ifa *ifa, *nifa;\\n\\tstruct sctpvtaghead *chain;\\n\\tstruct sctp_tagblock *twait_block, *prev_twait_block;\\n\\tstruct sctp_laddr *wi, *nwi;\\n\\tint i;\\n\\tstruct sctp_iterator *it, *nit;\",\n \"\\tif (SCTP_BASE_VAR(sctp_pcb_initialized) == 0) {\\n\\t\\tSCTP_PRINTF(\\\"%s: race condition on teardown.\\\\n\\\", __func__);\\n\\t\\treturn;\\n\\t}\\n\\tSCTP_BASE_VAR(sctp_pcb_initialized) = 0;\\n#if !defined(__FreeBSD__)\\n\\t/* Notify the iterator to exit. */\\n\\tSCTP_IPI_ITERATOR_WQ_LOCK();\\n\\tsctp_it_ctl.iterator_flags |= SCTP_ITERATOR_MUST_EXIT;\\n\\tsctp_wakeup_iterator();\\n\\tSCTP_IPI_ITERATOR_WQ_UNLOCK();\\n#endif\\n#if defined(__APPLE__)\\n#if !defined(APPLE_LEOPARD) && !defined(APPLE_SNOWLEOPARD) && !defined(APPLE_LION) && !defined(APPLE_MOUNTAINLION)\\n\\tin_pcbinfo_detach(&SCTP_BASE_INFO(sctbinfo));\\n#endif\\n\\tSCTP_IPI_ITERATOR_WQ_LOCK();\\n\\tdo {\\n\\t\\tmsleep(&sctp_it_ctl.iterator_flags,\\n\\t\\t sctp_it_ctl.ipi_iterator_wq_mtx,\\n\\t\\t 0, \\\"waiting_for_work\\\", 0);\\n\\t} while ((sctp_it_ctl.iterator_flags & SCTP_ITERATOR_EXITED) == 0);\\n\\tthread_deallocate(sctp_it_ctl.thread_proc);\\n\\tSCTP_IPI_ITERATOR_WQ_UNLOCK();\\n#endif\\n#if defined(__Windows__)\\n\\tif (sctp_it_ctl.iterator_thread_obj != NULL) {\\n\\t\\tNTSTATUS status = STATUS_SUCCESS;\",\n \"\\t\\tKeSetEvent(&sctp_it_ctl.iterator_wakeup[1], IO_NO_INCREMENT, FALSE);\\n\\t\\tstatus = KeWaitForSingleObject(sctp_it_ctl.iterator_thread_obj,\\n\\t\\t\\t\\t\\t Executive,\\n\\t\\t\\t\\t\\t KernelMode,\\n\\t\\t\\t\\t\\t FALSE,\\n\\t\\t\\t\\t\\t NULL);\\n\\t\\tObDereferenceObject(sctp_it_ctl.iterator_thread_obj);\\n\\t}\\n#endif\\n#if defined(__Userspace__)\\n\\tif (sctp_it_ctl.thread_proc) {\\n#if defined(__Userspace_os_Windows)\\n\\t\\tWaitForSingleObject(sctp_it_ctl.thread_proc, INFINITE);\\n\\t\\tCloseHandle(sctp_it_ctl.thread_proc);\\n\\t\\tsctp_it_ctl.thread_proc = NULL;\\n#else\\n\\t\\tpthread_join(sctp_it_ctl.thread_proc, NULL);\\n\\t\\tsctp_it_ctl.thread_proc = 0;\\n#endif\\n\\t}\\n#endif\\n#if defined(SCTP_PROCESS_LEVEL_LOCKS)\\n#if defined(__Userspace_os_Windows)\\n\\tDeleteConditionVariable(&sctp_it_ctl.iterator_wakeup);\\n#else\\n\\tpthread_cond_destroy(&sctp_it_ctl.iterator_wakeup);\\n\\tpthread_mutexattr_destroy(&SCTP_BASE_VAR(mtx_attr));\\n#endif\\n#endif\\n\\t/* In FreeBSD the iterator thread never exits\\n\\t * but we do clean up.\\n\\t * The only way FreeBSD reaches here is if we have VRF's\\n\\t * but we still add the ifdef to make it compile on old versions.\\n\\t */\\n#if defined(__FreeBSD__)\\nretry:\\n#endif\\n\\tSCTP_IPI_ITERATOR_WQ_LOCK();\\n#if defined(__FreeBSD__)\\n\\t/*\\n\\t * sctp_iterator_worker() might be working on an it entry without\\n\\t * holding the lock. We won't find it on the list either and\\n\\t * continue and free/destroy it. While holding the lock, spin, to\\n\\t * avoid the race condition as sctp_iterator_worker() will have to\\n\\t * wait to re-aquire the lock.\\n\\t */\\n\\tif (sctp_it_ctl.iterator_running != 0 || sctp_it_ctl.cur_it != NULL) {\\n\\t\\tSCTP_IPI_ITERATOR_WQ_UNLOCK();\\n\\t\\tSCTP_PRINTF(\\\"%s: Iterator running while we held the lock. Retry. \\\"\\n\\t\\t \\\"cur_it=%p\\\\n\\\", __func__, sctp_it_ctl.cur_it);\\n\\t\\tDELAY(10);\\n\\t\\tgoto retry;\\n\\t}\\n#endif\\n\\tTAILQ_FOREACH_SAFE(it, &sctp_it_ctl.iteratorhead, sctp_nxt_itr, nit) {\\n#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\\n\\t\\tif (it->vn != curvnet) {\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n#endif\\n\\t\\tTAILQ_REMOVE(&sctp_it_ctl.iteratorhead, it, sctp_nxt_itr);\\n\\t\\tif (it->function_atend != NULL) {\\n\\t\\t\\t(*it->function_atend) (it->pointer, it->val);\\n\\t\\t}\\n\\t\\tSCTP_FREE(it,SCTP_M_ITER);\\n\\t}\\n\\tSCTP_IPI_ITERATOR_WQ_UNLOCK();\\n#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\\n\\tSCTP_ITERATOR_LOCK();\\n\\tif ((sctp_it_ctl.cur_it) &&\\n\\t (sctp_it_ctl.cur_it->vn == curvnet)) {\\n\\t\\tsctp_it_ctl.iterator_flags |= SCTP_ITERATOR_STOP_CUR_IT;\\n\\t}\\n\\tSCTP_ITERATOR_UNLOCK();\\n#endif\\n#if !defined(__FreeBSD__)\\n\\tSCTP_IPI_ITERATOR_WQ_DESTROY();\\n\\tSCTP_ITERATOR_LOCK_DESTROY();\\n#endif\\n\\tSCTP_OS_TIMER_STOP_DRAIN(&SCTP_BASE_INFO(addr_wq_timer.timer));\\n\\tSCTP_WQ_ADDR_LOCK();\\n\\tLIST_FOREACH_SAFE(wi, &SCTP_BASE_INFO(addr_wq), sctp_nxt_addr, nwi) {\\n\\t\\tLIST_REMOVE(wi, sctp_nxt_addr);\\n\\t\\tSCTP_DECR_LADDR_COUNT();\\n\\t\\tif (wi->action == SCTP_DEL_IP_ADDRESS) {\\n\\t\\t\\tSCTP_FREE(wi->ifa, SCTP_M_IFA);\\n\\t\\t}\\n\\t\\tSCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_laddr), wi);\\n\\t}\\n\\tSCTP_WQ_ADDR_UNLOCK();\",\n \"\\t/*\\n\\t * free the vrf/ifn/ifa lists and hashes (be sure address monitor\\n\\t * is destroyed first).\\n\\t */\\n\\tvrf_bucket = &SCTP_BASE_INFO(sctp_vrfhash)[(SCTP_DEFAULT_VRFID & SCTP_BASE_INFO(hashvrfmark))];\\n\\tLIST_FOREACH_SAFE(vrf, vrf_bucket, next_vrf, nvrf) {\\n\\t\\tLIST_FOREACH_SAFE(ifn, &vrf->ifnlist, next_ifn, nifn) {\\n\\t\\t\\tLIST_FOREACH_SAFE(ifa, &ifn->ifalist, next_ifa, nifa) {\\n\\t\\t\\t\\t/* free the ifa */\\n\\t\\t\\t\\tLIST_REMOVE(ifa, next_bucket);\\n\\t\\t\\t\\tLIST_REMOVE(ifa, next_ifa);\\n\\t\\t\\t\\tSCTP_FREE(ifa, SCTP_M_IFA);\\n\\t\\t\\t}\\n\\t\\t\\t/* free the ifn */\\n\\t\\t\\tLIST_REMOVE(ifn, next_bucket);\\n\\t\\t\\tLIST_REMOVE(ifn, next_ifn);\\n\\t\\t\\tSCTP_FREE(ifn, SCTP_M_IFN);\\n\\t\\t}\\n\\t\\tSCTP_HASH_FREE(vrf->vrf_addr_hash, vrf->vrf_addr_hashmark);\\n\\t\\t/* free the vrf */\\n\\t\\tLIST_REMOVE(vrf, next_vrf);\\n\\t\\tSCTP_FREE(vrf, SCTP_M_VRF);\\n\\t}\\n\\t/* free the vrf hashes */\\n\\tSCTP_HASH_FREE(SCTP_BASE_INFO(sctp_vrfhash), SCTP_BASE_INFO(hashvrfmark));\\n\\tSCTP_HASH_FREE(SCTP_BASE_INFO(vrf_ifn_hash), SCTP_BASE_INFO(vrf_ifn_hashmark));\",\n \"\\t/* free the TIMEWAIT list elements malloc'd in the function\\n\\t * sctp_add_vtag_to_timewait()...\\n\\t */\\n\\tfor (i = 0; i < SCTP_STACK_VTAG_HASH_SIZE; i++) {\\n\\t\\tchain = &SCTP_BASE_INFO(vtag_timewait)[i];\\n\\t\\tif (!LIST_EMPTY(chain)) {\\n\\t\\t\\tprev_twait_block = NULL;\\n\\t\\t\\tLIST_FOREACH(twait_block, chain, sctp_nxt_tagblock) {\\n\\t\\t\\t\\tif (prev_twait_block) {\\n\\t\\t\\t\\t\\tSCTP_FREE(prev_twait_block, SCTP_M_TIMW);\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tprev_twait_block = twait_block;\\n\\t\\t\\t}\\n\\t\\t\\tSCTP_FREE(prev_twait_block, SCTP_M_TIMW);\\n\\t\\t}\\n\\t}\",\n \"\\t/* free the locks and mutexes */\\n#if defined(__APPLE__)\\n\\tSCTP_TIMERQ_LOCK_DESTROY();\\n\\tSCTP_TIMERWAIT_LOCK_DESTROY();\\n#endif\\n#ifdef SCTP_PACKET_LOGGING\\n\\tSCTP_IP_PKTLOG_DESTROY();\\n#endif\\n\\tSCTP_IPI_ADDR_DESTROY();\\n#if defined(__APPLE__)\\n\\tSCTP_IPI_COUNT_DESTROY();\\n#endif\\n\\tSCTP_STATLOG_DESTROY();\\n\\tSCTP_INP_INFO_LOCK_DESTROY();\",\n \"\\tSCTP_WQ_ADDR_DESTROY();\",\n \"#if defined(__APPLE__)\\n#if defined(APPLE_LEOPARD) || defined(APPLE_SNOWLEOPARD) || defined(APPLE_LION) || defined(APPLE_MOUNTAINLION)\\n\\tlck_grp_attr_free(SCTP_BASE_INFO(sctbinfo).mtx_grp_attr);\\n\\tlck_grp_free(SCTP_BASE_INFO(sctbinfo).mtx_grp);\\n\\tlck_attr_free(SCTP_BASE_INFO(sctbinfo).mtx_attr);\\n#else\\n\\tlck_grp_attr_free(SCTP_BASE_INFO(sctbinfo).ipi_lock_grp_attr);\\n\\tlck_grp_free(SCTP_BASE_INFO(sctbinfo).ipi_lock_grp);\\n\\tlck_attr_free(SCTP_BASE_INFO(sctbinfo).ipi_lock_attr);\\n#endif\\n#endif\\n#if defined(__Userspace__)\\n\\tSCTP_TIMERQ_LOCK_DESTROY();\\n\\tSCTP_TIMERWAIT_LOCK_DESTROY();\\n\\tSCTP_ZONE_DESTROY(zone_mbuf);\\n\\tSCTP_ZONE_DESTROY(zone_clust);\\n\\tSCTP_ZONE_DESTROY(zone_ext_refcnt);\\n#endif\\n\\t/* Get rid of other stuff too. */\\n\\tif (SCTP_BASE_INFO(sctp_asochash) != NULL)\\n\\t\\tSCTP_HASH_FREE(SCTP_BASE_INFO(sctp_asochash), SCTP_BASE_INFO(hashasocmark));\\n\\tif (SCTP_BASE_INFO(sctp_ephash) != NULL)\\n\\t\\tSCTP_HASH_FREE(SCTP_BASE_INFO(sctp_ephash), SCTP_BASE_INFO(hashmark));\\n\\tif (SCTP_BASE_INFO(sctp_tcpephash) != NULL)\\n\\t\\tSCTP_HASH_FREE(SCTP_BASE_INFO(sctp_tcpephash), SCTP_BASE_INFO(hashtcpmark));\",\n \"#if defined(__Windows__) || defined(__FreeBSD__) || defined(__Userspace__)\\n\\tSCTP_ZONE_DESTROY(SCTP_BASE_INFO(ipi_zone_ep));\\n\\tSCTP_ZONE_DESTROY(SCTP_BASE_INFO(ipi_zone_asoc));\\n\\tSCTP_ZONE_DESTROY(SCTP_BASE_INFO(ipi_zone_laddr));\\n\\tSCTP_ZONE_DESTROY(SCTP_BASE_INFO(ipi_zone_net));\\n\\tSCTP_ZONE_DESTROY(SCTP_BASE_INFO(ipi_zone_chunk));\\n\\tSCTP_ZONE_DESTROY(SCTP_BASE_INFO(ipi_zone_readq));\\n\\tSCTP_ZONE_DESTROY(SCTP_BASE_INFO(ipi_zone_strmoq));\\n\\tSCTP_ZONE_DESTROY(SCTP_BASE_INFO(ipi_zone_asconf));\\n\\tSCTP_ZONE_DESTROY(SCTP_BASE_INFO(ipi_zone_asconf_ack));\\n#endif\\n#if defined(__FreeBSD__) && defined(SMP) && defined(SCTP_USE_PERCPU_STAT)\\n\\tSCTP_FREE(SCTP_BASE_STATS, SCTP_M_MCORE);\\n#endif\\n}\",\n \"\\nint\\nsctp_load_addresses_from_init(struct sctp_tcb *stcb, struct mbuf *m,\\n int offset, int limit,\\n struct sockaddr *src, struct sockaddr *dst,\\n struct sockaddr *altsa, uint16_t port)\\n{\\n\\t/*\\n\\t * grub through the INIT pulling addresses and loading them to the\\n\\t * nets structure in the asoc. The from address in the mbuf should\\n\\t * also be loaded (if it is not already). This routine can be called\\n\\t * with either INIT or INIT-ACK's as long as the m points to the IP\\n\\t * packet and the offset points to the beginning of the parameters.\\n\\t */\\n\\tstruct sctp_inpcb *inp;\\n\\tstruct sctp_nets *net, *nnet, *net_tmp;\\n\\tstruct sctp_paramhdr *phdr, param_buf;\\n\\tstruct sctp_tcb *stcb_tmp;\\n\\tuint16_t ptype, plen;\\n\\tstruct sockaddr *sa;\\n\\tuint8_t random_store[SCTP_PARAM_BUFFER_SIZE];\\n\\tstruct sctp_auth_random *p_random = NULL;\\n\\tuint16_t random_len = 0;\\n\\tuint8_t hmacs_store[SCTP_PARAM_BUFFER_SIZE];\\n\\tstruct sctp_auth_hmac_algo *hmacs = NULL;\\n\\tuint16_t hmacs_len = 0;\\n\\tuint8_t saw_asconf = 0;\\n\\tuint8_t saw_asconf_ack = 0;\\n\\tuint8_t chunks_store[SCTP_PARAM_BUFFER_SIZE];\\n\\tstruct sctp_auth_chunk_list *chunks = NULL;\\n\\tuint16_t num_chunks = 0;\\n\\tsctp_key_t *new_key;\\n\\tuint32_t keylen;\\n\\tint got_random = 0, got_hmacs = 0, got_chklist = 0;\\n\\tuint8_t peer_supports_ecn;\\n\\tuint8_t peer_supports_prsctp;\\n\\tuint8_t peer_supports_auth;\\n\\tuint8_t peer_supports_asconf;\\n\\tuint8_t peer_supports_asconf_ack;\\n\\tuint8_t peer_supports_reconfig;\\n\\tuint8_t peer_supports_nrsack;\\n\\tuint8_t peer_supports_pktdrop;\\n\\tuint8_t peer_supports_idata;\\n#ifdef INET\\n\\tstruct sockaddr_in sin;\\n#endif\\n#ifdef INET6\\n\\tstruct sockaddr_in6 sin6;\\n#endif\",\n \"\\t/* First get the destination address setup too. */\\n#ifdef INET\\n\\tmemset(&sin, 0, sizeof(sin));\\n\\tsin.sin_family = AF_INET;\\n#ifdef HAVE_SIN_LEN\\n\\tsin.sin_len = sizeof(sin);\\n#endif\\n\\tsin.sin_port = stcb->rport;\\n#endif\\n#ifdef INET6\\n\\tmemset(&sin6, 0, sizeof(sin6));\\n\\tsin6.sin6_family = AF_INET6;\\n#ifdef HAVE_SIN6_LEN\\n\\tsin6.sin6_len = sizeof(struct sockaddr_in6);\\n#endif\\n\\tsin6.sin6_port = stcb->rport;\\n#endif\\n\\tif (altsa) {\\n\\t\\tsa = altsa;\\n\\t} else {\\n\\t\\tsa = src;\\n\\t}\\n\\tpeer_supports_idata = 0;\\n\\tpeer_supports_ecn = 0;\\n\\tpeer_supports_prsctp = 0;\\n\\tpeer_supports_auth = 0;\\n\\tpeer_supports_asconf = 0;\\n\\tpeer_supports_reconfig = 0;\\n\\tpeer_supports_nrsack = 0;\\n\\tpeer_supports_pktdrop = 0;\\n\\tTAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {\\n\\t\\t/* mark all addresses that we have currently on the list */\\n\\t\\tnet->dest_state |= SCTP_ADDR_NOT_IN_ASSOC;\\n\\t}\\n\\t/* does the source address already exist? if so skip it */\\n\\tinp = stcb->sctp_ep;\\n\\tatomic_add_int(&stcb->asoc.refcnt, 1);\\n\\tstcb_tmp = sctp_findassociation_ep_addr(&inp, sa, &net_tmp, dst, stcb);\\n\\tatomic_add_int(&stcb->asoc.refcnt, -1);\",\n \"\\tif ((stcb_tmp == NULL && inp == stcb->sctp_ep) || inp == NULL) {\\n\\t\\t/* we must add the source address */\\n\\t\\t/* no scope set here since we have a tcb already. */\\n\\t\\tswitch (sa->sa_family) {\\n#ifdef INET\\n\\t\\tcase AF_INET:\\n\\t\\t\\tif (stcb->asoc.scope.ipv4_addr_legal) {\\n\\t\\t\\t\\tif (sctp_add_remote_addr(stcb, sa, NULL, port, SCTP_DONOT_SETSCOPE, SCTP_LOAD_ADDR_2)) {\\n\\t\\t\\t\\t\\treturn (-1);\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t\\tbreak;\\n#endif\\n#ifdef INET6\\n\\t\\tcase AF_INET6:\\n\\t\\t\\tif (stcb->asoc.scope.ipv6_addr_legal) {\\n\\t\\t\\t\\tif (sctp_add_remote_addr(stcb, sa, NULL, port, SCTP_DONOT_SETSCOPE, SCTP_LOAD_ADDR_3)) {\\n\\t\\t\\t\\t\\treturn (-2);\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t\\tbreak;\\n#endif\\n#if defined(__Userspace__)\\n\\t\\tcase AF_CONN:\\n\\t\\t\\tif (stcb->asoc.scope.conn_addr_legal) {\\n\\t\\t\\t\\tif (sctp_add_remote_addr(stcb, sa, NULL, port, SCTP_DONOT_SETSCOPE, SCTP_LOAD_ADDR_3)) {\\n\\t\\t\\t\\t\\treturn (-2);\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t\\tbreak;\\n#endif\\n\\t\\tdefault:\\n\\t\\t\\tbreak;\\n\\t\\t}\\n\\t} else {\\n\\t\\tif (net_tmp != NULL && stcb_tmp == stcb) {\\n\\t\\t\\tnet_tmp->dest_state &= ~SCTP_ADDR_NOT_IN_ASSOC;\\n\\t\\t} else if (stcb_tmp != stcb) {\\n\\t\\t\\t/* It belongs to another association? */\\n\\t\\t\\tif (stcb_tmp)\\n\\t\\t\\t\\tSCTP_TCB_UNLOCK(stcb_tmp);\\n\\t\\t\\treturn (-3);\\n\\t\\t}\\n\\t}\\n\\tif (stcb->asoc.state == 0) {\\n\\t\\t/* the assoc was freed? */\\n\\t\\treturn (-4);\\n\\t}\\n\\t/* now we must go through each of the params. */\\n\\tphdr = sctp_get_next_param(m, offset, ¶m_buf, sizeof(param_buf));\\n\\twhile (phdr) {\\n\\t\\tptype = ntohs(phdr->param_type);\\n\\t\\tplen = ntohs(phdr->param_length);\\n\\t\\t/*\\n\\t\\t * SCTP_PRINTF(\\\"ptype => %0x, plen => %d\\\\n\\\", (uint32_t)ptype,\\n\\t\\t * (int)plen);\\n\\t\\t */\\n\\t\\tif (offset + plen > limit) {\\n\\t\\t\\tbreak;\\n\\t\\t}\",\n \"\\t\\tif (plen < sizeof(struct sctp_paramhdr)) {\",\n \"\\t\\t\\tbreak;\\n\\t\\t}\\n#ifdef INET\\n\\t\\tif (ptype == SCTP_IPV4_ADDRESS) {\\n\\t\\t\\tif (stcb->asoc.scope.ipv4_addr_legal) {\\n\\t\\t\\t\\tstruct sctp_ipv4addr_param *p4, p4_buf;\",\n \"\\t\\t\\t\\t/* ok get the v4 address and check/add */\\n\\t\\t\\t\\tphdr = sctp_get_next_param(m, offset,\\n\\t\\t\\t\\t\\t\\t\\t (struct sctp_paramhdr *)&p4_buf,\\n\\t\\t\\t\\t\\t\\t\\t sizeof(p4_buf));\\n\\t\\t\\t\\tif (plen != sizeof(struct sctp_ipv4addr_param) ||\\n\\t\\t\\t\\t phdr == NULL) {\\n\\t\\t\\t\\t\\treturn (-5);\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tp4 = (struct sctp_ipv4addr_param *)phdr;\\n\\t\\t\\t\\tsin.sin_addr.s_addr = p4->addr;\\n\\t\\t\\t\\tif (IN_MULTICAST(ntohl(sin.sin_addr.s_addr))) {\\n\\t\\t\\t\\t\\t/* Skip multi-cast addresses */\\n\\t\\t\\t\\t\\tgoto next_param;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tif ((sin.sin_addr.s_addr == INADDR_BROADCAST) ||\\n\\t\\t\\t\\t (sin.sin_addr.s_addr == INADDR_ANY)) {\\n\\t\\t\\t\\t\\tgoto next_param;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tsa = (struct sockaddr *)&sin;\\n\\t\\t\\t\\tinp = stcb->sctp_ep;\\n\\t\\t\\t\\tatomic_add_int(&stcb->asoc.refcnt, 1);\\n\\t\\t\\t\\tstcb_tmp = sctp_findassociation_ep_addr(&inp, sa, &net,\\n\\t\\t\\t\\t\\t\\t\\t\\t\\tdst, stcb);\\n\\t\\t\\t\\tatomic_add_int(&stcb->asoc.refcnt, -1);\",\n \"\\t\\t\\t\\tif ((stcb_tmp == NULL && inp == stcb->sctp_ep) ||\\n\\t\\t\\t\\t inp == NULL) {\\n\\t\\t\\t\\t\\t/* we must add the source address */\\n\\t\\t\\t\\t\\t/*\\n\\t\\t\\t\\t\\t * no scope set since we have a tcb\\n\\t\\t\\t\\t\\t * already\\n\\t\\t\\t\\t\\t */\",\n \"\\t\\t\\t\\t\\t/*\\n\\t\\t\\t\\t\\t * we must validate the state again\\n\\t\\t\\t\\t\\t * here\\n\\t\\t\\t\\t\\t */\\n\\t\\t\\t\\tadd_it_now:\\n\\t\\t\\t\\t\\tif (stcb->asoc.state == 0) {\\n\\t\\t\\t\\t\\t\\t/* the assoc was freed? */\\n\\t\\t\\t\\t\\t\\treturn (-7);\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tif (sctp_add_remote_addr(stcb, sa, NULL, port, SCTP_DONOT_SETSCOPE, SCTP_LOAD_ADDR_4)) {\\n\\t\\t\\t\\t\\t\\treturn (-8);\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t} else if (stcb_tmp == stcb) {\\n\\t\\t\\t\\t\\tif (stcb->asoc.state == 0) {\\n\\t\\t\\t\\t\\t\\t/* the assoc was freed? */\\n\\t\\t\\t\\t\\t\\treturn (-10);\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tif (net != NULL) {\\n\\t\\t\\t\\t\\t\\t/* clear flag */\\n\\t\\t\\t\\t\\t\\tnet->dest_state &=\\n\\t\\t\\t\\t\\t\\t\\t~SCTP_ADDR_NOT_IN_ASSOC;\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t} else {\\n\\t\\t\\t\\t\\t/*\\n\\t\\t\\t\\t\\t * strange, address is in another\\n\\t\\t\\t\\t\\t * assoc? straighten out locks.\\n\\t\\t\\t\\t\\t */\\n\\t\\t\\t\\t\\tif (stcb_tmp) {\\n\\t\\t\\t\\t\\t\\tif (SCTP_GET_STATE(stcb_tmp) == SCTP_STATE_COOKIE_WAIT) {\\n\\t\\t\\t\\t\\t\\t\\tstruct mbuf *op_err;\\n\\t\\t\\t\\t\\t\\t\\tchar msg[SCTP_DIAG_INFO_LEN];\",\n \"\\t\\t\\t\\t\\t\\t\\t/* in setup state we abort this guy */\\n\\t\\t\\t\\t\\t\\t\\tsnprintf(msg, sizeof(msg),\\n\\t\\t\\t\\t\\t\\t\\t \\\"%s:%d at %s\\\", __FILE__, __LINE__, __func__);\\n\\t\\t\\t\\t\\t\\t\\top_err = sctp_generate_cause(SCTP_BASE_SYSCTL(sctp_diag_info_code),\\n\\t\\t\\t\\t\\t\\t\\t msg);\\n\\t\\t\\t\\t\\t\\t\\tsctp_abort_an_association(stcb_tmp->sctp_ep,\\n\\t\\t\\t\\t\\t\\t\\t\\t\\t\\t stcb_tmp, op_err,\\n\\t\\t\\t\\t\\t\\t\\t SCTP_SO_NOT_LOCKED);\\n\\t\\t\\t\\t\\t\\t\\tgoto add_it_now;\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t\\tSCTP_TCB_UNLOCK(stcb_tmp);\\n\\t\\t\\t\\t\\t}\",\n \"\\t\\t\\t\\t\\tif (stcb->asoc.state == 0) {\\n\\t\\t\\t\\t\\t\\t/* the assoc was freed? */\\n\\t\\t\\t\\t\\t\\treturn (-12);\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\treturn (-13);\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t} else\\n#endif\\n#ifdef INET6\\n\\t\\tif (ptype == SCTP_IPV6_ADDRESS) {\\n\\t\\t\\tif (stcb->asoc.scope.ipv6_addr_legal) {\\n\\t\\t\\t\\t/* ok get the v6 address and check/add */\\n\\t\\t\\t\\tstruct sctp_ipv6addr_param *p6, p6_buf;\",\n \"\\t\\t\\t\\tphdr = sctp_get_next_param(m, offset,\\n\\t\\t\\t\\t\\t\\t\\t (struct sctp_paramhdr *)&p6_buf,\\n\\t\\t\\t\\t\\t\\t\\t sizeof(p6_buf));\\n\\t\\t\\t\\tif (plen != sizeof(struct sctp_ipv6addr_param) ||\\n\\t\\t\\t\\t phdr == NULL) {\\n\\t\\t\\t\\t\\treturn (-14);\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tp6 = (struct sctp_ipv6addr_param *)phdr;\\n\\t\\t\\t\\tmemcpy((caddr_t)&sin6.sin6_addr, p6->addr,\\n\\t\\t\\t\\t sizeof(p6->addr));\\n\\t\\t\\t\\tif (IN6_IS_ADDR_MULTICAST(&sin6.sin6_addr)) {\\n\\t\\t\\t\\t\\t/* Skip multi-cast addresses */\\n\\t\\t\\t\\t\\tgoto next_param;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tif (IN6_IS_ADDR_LINKLOCAL(&sin6.sin6_addr)) {\\n\\t\\t\\t\\t\\t/* Link local make no sense without scope */\\n\\t\\t\\t\\t\\tgoto next_param;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tsa = (struct sockaddr *)&sin6;\\n\\t\\t\\t\\tinp = stcb->sctp_ep;\\n\\t\\t\\t\\tatomic_add_int(&stcb->asoc.refcnt, 1);\\n\\t\\t\\t\\tstcb_tmp = sctp_findassociation_ep_addr(&inp, sa, &net,\\n\\t\\t\\t\\t\\t\\t\\t\\t\\tdst, stcb);\\n\\t\\t\\t\\tatomic_add_int(&stcb->asoc.refcnt, -1);\\n\\t\\t\\t\\tif (stcb_tmp == NULL &&\\n\\t\\t\\t\\t (inp == stcb->sctp_ep || inp == NULL)) {\\n\\t\\t\\t\\t\\t/*\\n\\t\\t\\t\\t\\t * we must validate the state again\\n\\t\\t\\t\\t\\t * here\\n\\t\\t\\t\\t\\t */\\n\\t\\t\\t\\tadd_it_now6:\\n\\t\\t\\t\\t\\tif (stcb->asoc.state == 0) {\\n\\t\\t\\t\\t\\t\\t/* the assoc was freed? */\\n\\t\\t\\t\\t\\t\\treturn (-16);\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t/*\\n\\t\\t\\t\\t\\t * we must add the address, no scope\\n\\t\\t\\t\\t\\t * set\\n\\t\\t\\t\\t\\t */\\n\\t\\t\\t\\t\\tif (sctp_add_remote_addr(stcb, sa, NULL, port, SCTP_DONOT_SETSCOPE, SCTP_LOAD_ADDR_5)) {\\n\\t\\t\\t\\t\\t\\treturn (-17);\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t} else if (stcb_tmp == stcb) {\\n\\t\\t\\t\\t\\t/*\\n\\t\\t\\t\\t\\t * we must validate the state again\\n\\t\\t\\t\\t\\t * here\\n\\t\\t\\t\\t\\t */\\n\\t\\t\\t\\t\\tif (stcb->asoc.state == 0) {\\n\\t\\t\\t\\t\\t\\t/* the assoc was freed? */\\n\\t\\t\\t\\t\\t\\treturn (-19);\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tif (net != NULL) {\\n\\t\\t\\t\\t\\t\\t/* clear flag */\\n\\t\\t\\t\\t\\t\\tnet->dest_state &=\\n\\t\\t\\t\\t\\t\\t\\t~SCTP_ADDR_NOT_IN_ASSOC;\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t} else {\\n\\t\\t\\t\\t\\t/*\\n\\t\\t\\t\\t\\t * strange, address is in another\\n\\t\\t\\t\\t\\t * assoc? straighten out locks.\\n\\t\\t\\t\\t\\t */\\n\\t\\t\\t\\t\\tif (stcb_tmp) {\\n\\t\\t\\t\\t\\t\\tif (SCTP_GET_STATE(stcb_tmp) == SCTP_STATE_COOKIE_WAIT) {\\n\\t\\t\\t\\t\\t\\t\\tstruct mbuf *op_err;\\n\\t\\t\\t\\t\\t\\t\\tchar msg[SCTP_DIAG_INFO_LEN];\",\n \"\\t\\t\\t\\t\\t\\t\\t/* in setup state we abort this guy */\\n\\t\\t\\t\\t\\t\\t\\tsnprintf(msg, sizeof(msg),\\n\\t\\t\\t\\t\\t\\t\\t \\\"%s:%d at %s\\\", __FILE__, __LINE__, __func__);\\n\\t\\t\\t\\t\\t\\t\\top_err = sctp_generate_cause(SCTP_BASE_SYSCTL(sctp_diag_info_code),\\n\\t\\t\\t\\t\\t\\t\\t msg);\\n\\t\\t\\t\\t\\t\\t\\tsctp_abort_an_association(stcb_tmp->sctp_ep,\\n\\t\\t\\t\\t\\t\\t\\t\\t\\t\\t stcb_tmp, op_err,\\n\\t\\t\\t\\t\\t\\t\\t SCTP_SO_NOT_LOCKED);\\n\\t\\t\\t\\t\\t\\t\\tgoto add_it_now6;\\n\\t\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\t\\tSCTP_TCB_UNLOCK(stcb_tmp);\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tif (stcb->asoc.state == 0) {\\n\\t\\t\\t\\t\\t\\t/* the assoc was freed? */\\n\\t\\t\\t\\t\\t\\treturn (-21);\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\treturn (-22);\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t} else\\n#endif\\n\\t\\tif (ptype == SCTP_ECN_CAPABLE) {\\n\\t\\t\\tpeer_supports_ecn = 1;\\n\\t\\t} else if (ptype == SCTP_ULP_ADAPTATION) {\\n\\t\\t\\tif (stcb->asoc.state != SCTP_STATE_OPEN) {\\n\\t\\t\\t\\tstruct sctp_adaptation_layer_indication ai, *aip;\",\n \"\\t\\t\\t\\tphdr = sctp_get_next_param(m, offset,\\n\\t\\t\\t\\t\\t\\t\\t (struct sctp_paramhdr *)&ai, sizeof(ai));\\n\\t\\t\\t\\taip = (struct sctp_adaptation_layer_indication *)phdr;\\n\\t\\t\\t\\tif (aip) {\\n\\t\\t\\t\\t\\tstcb->asoc.peers_adaptation = ntohl(aip->indication);\\n\\t\\t\\t\\t\\tstcb->asoc.adaptation_needed = 1;\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t} else if (ptype == SCTP_SET_PRIM_ADDR) {\\n\\t\\t\\tstruct sctp_asconf_addr_param lstore, *fee;\\n\\t\\t\\tint lptype;\\n\\t\\t\\tstruct sockaddr *lsa = NULL;\\n#ifdef INET\\n\\t\\t\\tstruct sctp_asconf_addrv4_param *fii;\\n#endif\",\n \"\\t\\t\\tif (stcb->asoc.asconf_supported == 0) {\\n\\t\\t\\t\\treturn (-100);\\n\\t\\t\\t}\\n\\t\\t\\tif (plen > sizeof(lstore)) {\\n\\t\\t\\t\\treturn (-23);\\n\\t\\t\\t}\",\n \"\\t\\t\\tif (plen < sizeof(struct sctp_asconf_addrv4_param)) {\\n\\t\\t\\t\\treturn (-101);\\n\\t\\t\\t}\",\n \"\\t\\t\\tphdr = sctp_get_next_param(m, offset,\\n\\t\\t\\t\\t\\t\\t (struct sctp_paramhdr *)&lstore,\\n\\t\\t\\t\\t\\t\\t plen);\\n\\t\\t\\tif (phdr == NULL) {\\n\\t\\t\\t\\treturn (-24);\\n\\t\\t\\t}\\n\\t\\t\\tfee = (struct sctp_asconf_addr_param *)phdr;\\n\\t\\t\\tlptype = ntohs(fee->addrp.ph.param_type);\\n\\t\\t\\tswitch (lptype) {\\n#ifdef INET\\n\\t\\t\\tcase SCTP_IPV4_ADDRESS:\\n\\t\\t\\t\\tif (plen !=\\n\\t\\t\\t\\t sizeof(struct sctp_asconf_addrv4_param)) {\\n\\t\\t\\t\\t\\tSCTP_PRINTF(\\\"Sizeof setprim in init/init ack not %d but %d - ignored\\\\n\\\",\\n\\t\\t\\t\\t\\t\\t (int)sizeof(struct sctp_asconf_addrv4_param),\\n\\t\\t\\t\\t\\t\\t plen);\\n\\t\\t\\t\\t} else {\\n\\t\\t\\t\\t\\tfii = (struct sctp_asconf_addrv4_param *)fee;\\n\\t\\t\\t\\t\\tsin.sin_addr.s_addr = fii->addrp.addr;\\n\\t\\t\\t\\t\\tlsa = (struct sockaddr *)&sin;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tbreak;\\n#endif\\n#ifdef INET6\\n\\t\\t\\tcase SCTP_IPV6_ADDRESS:\\n\\t\\t\\t\\tif (plen !=\\n\\t\\t\\t\\t sizeof(struct sctp_asconf_addr_param)) {\\n\\t\\t\\t\\t\\tSCTP_PRINTF(\\\"Sizeof setprim (v6) in init/init ack not %d but %d - ignored\\\\n\\\",\\n\\t\\t\\t\\t\\t\\t (int)sizeof(struct sctp_asconf_addr_param),\\n\\t\\t\\t\\t\\t\\t plen);\\n\\t\\t\\t\\t} else {\\n\\t\\t\\t\\t\\tmemcpy(sin6.sin6_addr.s6_addr,\\n\\t\\t\\t\\t\\t fee->addrp.addr,\\n\\t\\t\\t\\t\\t sizeof(fee->addrp.addr));\\n\\t\\t\\t\\t\\tlsa = (struct sockaddr *)&sin6;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tbreak;\\n#endif\\n\\t\\t\\tdefault:\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n\\t\\t\\tif (lsa) {\\n\\t\\t\\t\\t(void)sctp_set_primary_addr(stcb, sa, NULL);\\n\\t\\t\\t}\\n\\t\\t} else if (ptype == SCTP_HAS_NAT_SUPPORT) {\\n\\t\\t\\tstcb->asoc.peer_supports_nat = 1;\\n\\t\\t} else if (ptype == SCTP_PRSCTP_SUPPORTED) {\\n\\t\\t\\t/* Peer supports pr-sctp */\\n\\t\\t\\tpeer_supports_prsctp = 1;\\n\\t\\t} else if (ptype == SCTP_SUPPORTED_CHUNK_EXT) {\\n\\t\\t\\t/* A supported extension chunk */\\n\\t\\t\\tstruct sctp_supported_chunk_types_param *pr_supported;\\n\\t\\t\\tuint8_t local_store[SCTP_PARAM_BUFFER_SIZE];\\n\\t\\t\\tint num_ent, i;\",\n \"\\t\\t\\tif (plen > sizeof(local_store)) {\\n\\t\\t\\t\\treturn (-35);\\n\\t\\t\\t}\\n\\t\\t\\tphdr = sctp_get_next_param(m, offset,\\n\\t\\t\\t\\t\\t\\t (struct sctp_paramhdr *)&local_store, plen);\\n\\t\\t\\tif (phdr == NULL) {\\n\\t\\t\\t\\treturn (-25);\\n\\t\\t\\t}\\n\\t\\t\\tpr_supported = (struct sctp_supported_chunk_types_param *)phdr;\\n\\t\\t\\tnum_ent = plen - sizeof(struct sctp_paramhdr);\\n\\t\\t\\tfor (i = 0; i < num_ent; i++) {\\n\\t\\t\\t\\tswitch (pr_supported->chunk_types[i]) {\\n\\t\\t\\t\\tcase SCTP_ASCONF:\\n\\t\\t\\t\\t\\tpeer_supports_asconf = 1;\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\tcase SCTP_ASCONF_ACK:\\n\\t\\t\\t\\t\\tpeer_supports_asconf_ack = 1;\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\tcase SCTP_FORWARD_CUM_TSN:\\n\\t\\t\\t\\t\\tpeer_supports_prsctp = 1;\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\tcase SCTP_PACKET_DROPPED:\\n\\t\\t\\t\\t\\tpeer_supports_pktdrop = 1;\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\tcase SCTP_NR_SELECTIVE_ACK:\\n\\t\\t\\t\\t\\tpeer_supports_nrsack = 1;\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\tcase SCTP_STREAM_RESET:\\n\\t\\t\\t\\t\\tpeer_supports_reconfig = 1;\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\tcase SCTP_AUTHENTICATION:\\n\\t\\t\\t\\t\\tpeer_supports_auth = 1;\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\tcase SCTP_IDATA:\\n\\t\\t\\t\\t\\tpeer_supports_idata = 1;\\n\\t\\t\\t\\t\\tbreak;\\n\\t\\t\\t\\tdefault:\\n\\t\\t\\t\\t\\t/* one I have not learned yet */\\n\\t\\t\\t\\t\\tbreak;\",\n \"\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t} else if (ptype == SCTP_RANDOM) {\\n\\t\\t\\tif (plen > sizeof(random_store))\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\tif (got_random) {\\n\\t\\t\\t\\t/* already processed a RANDOM */\\n\\t\\t\\t\\tgoto next_param;\\n\\t\\t\\t}\\n\\t\\t\\tphdr = sctp_get_next_param(m, offset,\\n\\t\\t\\t\\t\\t\\t (struct sctp_paramhdr *)random_store,\\n\\t\\t\\t\\t\\t\\t plen);\\n\\t\\t\\tif (phdr == NULL)\\n\\t\\t\\t\\treturn (-26);\\n\\t\\t\\tp_random = (struct sctp_auth_random *)phdr;\\n\\t\\t\\trandom_len = plen - sizeof(*p_random);\\n\\t\\t\\t/* enforce the random length */\\n\\t\\t\\tif (random_len != SCTP_AUTH_RANDOM_SIZE_REQUIRED) {\\n\\t\\t\\t\\tSCTPDBG(SCTP_DEBUG_AUTH1, \\\"SCTP: invalid RANDOM len\\\\n\\\");\\n\\t\\t\\t\\treturn (-27);\\n\\t\\t\\t}\\n\\t\\t\\tgot_random = 1;\\n\\t\\t} else if (ptype == SCTP_HMAC_LIST) {\\n\\t\\t\\tuint16_t num_hmacs;\\n\\t\\t\\tuint16_t i;\",\n \"\\t\\t\\tif (plen > sizeof(hmacs_store))\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\tif (got_hmacs) {\\n\\t\\t\\t\\t/* already processed a HMAC list */\\n\\t\\t\\t\\tgoto next_param;\\n\\t\\t\\t}\\n\\t\\t\\tphdr = sctp_get_next_param(m, offset,\\n\\t\\t\\t\\t\\t\\t (struct sctp_paramhdr *)hmacs_store,\\n\\t\\t\\t\\t\\t\\t plen);\\n\\t\\t\\tif (phdr == NULL)\\n\\t\\t\\t\\treturn (-28);\\n\\t\\t\\thmacs = (struct sctp_auth_hmac_algo *)phdr;\\n\\t\\t\\thmacs_len = plen - sizeof(*hmacs);\\n\\t\\t\\tnum_hmacs = hmacs_len / sizeof(hmacs->hmac_ids[0]);\\n\\t\\t\\t/* validate the hmac list */\\n\\t\\t\\tif (sctp_verify_hmac_param(hmacs, num_hmacs)) {\\n\\t\\t\\t\\treturn (-29);\\n\\t\\t\\t}\\n\\t\\t\\tif (stcb->asoc.peer_hmacs != NULL)\\n\\t\\t\\t\\tsctp_free_hmaclist(stcb->asoc.peer_hmacs);\\n\\t\\t\\tstcb->asoc.peer_hmacs = sctp_alloc_hmaclist(num_hmacs);\\n\\t\\t\\tif (stcb->asoc.peer_hmacs != NULL) {\\n\\t\\t\\t\\tfor (i = 0; i < num_hmacs; i++) {\\n\\t\\t\\t\\t\\t(void)sctp_auth_add_hmacid(stcb->asoc.peer_hmacs,\\n\\t\\t\\t\\t\\t\\t\\t\\t ntohs(hmacs->hmac_ids[i]));\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t\\tgot_hmacs = 1;\\n\\t\\t} else if (ptype == SCTP_CHUNK_LIST) {\\n\\t\\t\\tint i;\",\n \"\\t\\t\\tif (plen > sizeof(chunks_store))\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\tif (got_chklist) {\\n\\t\\t\\t\\t/* already processed a Chunks list */\\n\\t\\t\\t\\tgoto next_param;\\n\\t\\t\\t}\\n\\t\\t\\tphdr = sctp_get_next_param(m, offset,\\n\\t\\t\\t\\t\\t\\t (struct sctp_paramhdr *)chunks_store,\\n\\t\\t\\t\\t\\t\\t plen);\\n\\t\\t\\tif (phdr == NULL)\\n\\t\\t\\t\\treturn (-30);\\n\\t\\t\\tchunks = (struct sctp_auth_chunk_list *)phdr;\\n\\t\\t\\tnum_chunks = plen - sizeof(*chunks);\\n\\t\\t\\tif (stcb->asoc.peer_auth_chunks != NULL)\\n\\t\\t\\t\\tsctp_clear_chunklist(stcb->asoc.peer_auth_chunks);\\n\\t\\t\\telse\\n\\t\\t\\t\\tstcb->asoc.peer_auth_chunks = sctp_alloc_chunklist();\\n\\t\\t\\tfor (i = 0; i < num_chunks; i++) {\\n\\t\\t\\t\\t(void)sctp_auth_add_chunk(chunks->chunk_types[i],\\n\\t\\t\\t\\t\\t\\t\\t stcb->asoc.peer_auth_chunks);\\n\\t\\t\\t\\t/* record asconf/asconf-ack if listed */\\n\\t\\t\\t\\tif (chunks->chunk_types[i] == SCTP_ASCONF)\\n\\t\\t\\t\\t\\tsaw_asconf = 1;\\n\\t\\t\\t\\tif (chunks->chunk_types[i] == SCTP_ASCONF_ACK)\\n\\t\\t\\t\\t\\tsaw_asconf_ack = 1;\",\n \"\\t\\t\\t}\\n\\t\\t\\tgot_chklist = 1;\\n\\t\\t} else if ((ptype == SCTP_HEARTBEAT_INFO) ||\\n\\t\\t\\t (ptype == SCTP_STATE_COOKIE) ||\\n\\t\\t\\t (ptype == SCTP_UNRECOG_PARAM) ||\\n\\t\\t\\t (ptype == SCTP_COOKIE_PRESERVE) ||\\n\\t\\t\\t (ptype == SCTP_SUPPORTED_ADDRTYPE) ||\\n\\t\\t\\t (ptype == SCTP_ADD_IP_ADDRESS) ||\\n\\t\\t\\t (ptype == SCTP_DEL_IP_ADDRESS) ||\\n\\t\\t\\t (ptype == SCTP_ERROR_CAUSE_IND) ||\\n\\t\\t\\t (ptype == SCTP_SUCCESS_REPORT)) {\\n\\t\\t\\t/* don't care */ ;\\n\\t\\t} else {\\n\\t\\t\\tif ((ptype & 0x8000) == 0x0000) {\\n\\t\\t\\t\\t/*\\n\\t\\t\\t\\t * must stop processing the rest of the\\n\\t\\t\\t\\t * param's. Any report bits were handled\\n\\t\\t\\t\\t * with the call to\\n\\t\\t\\t\\t * sctp_arethere_unrecognized_parameters()\\n\\t\\t\\t\\t * when the INIT or INIT-ACK was first seen.\\n\\t\\t\\t\\t */\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n\\t\\t}\",\n \"\\tnext_param:\\n\\t\\toffset += SCTP_SIZE32(plen);\\n\\t\\tif (offset >= limit) {\\n\\t\\t\\tbreak;\\n\\t\\t}\\n\\t\\tphdr = sctp_get_next_param(m, offset, ¶m_buf,\\n\\t\\t\\t\\t\\t sizeof(param_buf));\\n\\t}\\n\\t/* Now check to see if we need to purge any addresses */\\n\\tTAILQ_FOREACH_SAFE(net, &stcb->asoc.nets, sctp_next, nnet) {\\n\\t\\tif ((net->dest_state & SCTP_ADDR_NOT_IN_ASSOC) ==\\n\\t\\t SCTP_ADDR_NOT_IN_ASSOC) {\\n\\t\\t\\t/* This address has been removed from the asoc */\\n\\t\\t\\t/* remove and free it */\\n\\t\\t\\tstcb->asoc.numnets--;\\n\\t\\t\\tTAILQ_REMOVE(&stcb->asoc.nets, net, sctp_next);\\n\\t\\t\\tsctp_free_remote_addr(net);\\n\\t\\t\\tif (net == stcb->asoc.primary_destination) {\\n\\t\\t\\t\\tstcb->asoc.primary_destination = NULL;\\n\\t\\t\\t\\tsctp_select_primary_destination(stcb);\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n\\tif ((stcb->asoc.ecn_supported == 1) &&\\n\\t (peer_supports_ecn == 0)) {\\n\\t\\tstcb->asoc.ecn_supported = 0;\\n\\t}\\n\\tif ((stcb->asoc.prsctp_supported == 1) &&\\n\\t (peer_supports_prsctp == 0)) {\\n\\t\\tstcb->asoc.prsctp_supported = 0;\\n\\t}\\n\\tif ((stcb->asoc.auth_supported == 1) &&\\n\\t ((peer_supports_auth == 0) ||\\n\\t (got_random == 0) || (got_hmacs == 0))) {\\n\\t\\tstcb->asoc.auth_supported = 0;\\n\\t}\\n\\tif ((stcb->asoc.asconf_supported == 1) &&\\n\\t ((peer_supports_asconf == 0) || (peer_supports_asconf_ack == 0) ||\\n\\t (stcb->asoc.auth_supported == 0) ||\\n\\t (saw_asconf == 0) || (saw_asconf_ack == 0))) {\\n\\t\\tstcb->asoc.asconf_supported = 0;\\n\\t}\\n\\tif ((stcb->asoc.reconfig_supported == 1) &&\\n\\t (peer_supports_reconfig == 0)) {\\n\\t\\tstcb->asoc.reconfig_supported = 0;\\n\\t}\\n\\tif ((stcb->asoc.idata_supported == 1) &&\\n\\t (peer_supports_idata == 0)) {\\n\\t\\tstcb->asoc.idata_supported = 0;\\n\\t}\\n\\tif ((stcb->asoc.nrsack_supported == 1) &&\\n\\t (peer_supports_nrsack == 0)) {\\n\\t\\tstcb->asoc.nrsack_supported = 0;\\n\\t}\\n\\tif ((stcb->asoc.pktdrop_supported == 1) &&\\n\\t (peer_supports_pktdrop == 0)){\\n\\t\\tstcb->asoc.pktdrop_supported = 0;\\n\\t}\\n\\t/* validate authentication required parameters */\\n\\tif ((peer_supports_auth == 0) && (got_chklist == 1)) {\\n\\t\\t/* peer does not support auth but sent a chunks list? */\\n\\t\\treturn (-31);\\n\\t}\\n\\tif ((peer_supports_asconf == 1) && (peer_supports_auth == 0)) {\\n\\t\\t/* peer supports asconf but not auth? */\\n\\t\\treturn (-32);\\n\\t} else if ((peer_supports_asconf == 1) &&\\n\\t (peer_supports_auth == 1) &&\\n\\t\\t ((saw_asconf == 0) || (saw_asconf_ack == 0))) {\\n\\t\\treturn (-33);\\n\\t}\\n\\t/* concatenate the full random key */\\n\\tkeylen = sizeof(*p_random) + random_len + sizeof(*hmacs) + hmacs_len;\\n\\tif (chunks != NULL) {\\n\\t\\tkeylen += sizeof(*chunks) + num_chunks;\\n\\t}\\n\\tnew_key = sctp_alloc_key(keylen);\\n\\tif (new_key != NULL) {\\n\\t\\t/* copy in the RANDOM */\\n\\t\\tif (p_random != NULL) {\\n\\t\\t\\tkeylen = sizeof(*p_random) + random_len;\\n\\t\\t\\tmemcpy(new_key->key, p_random, keylen);\\n\\t\\t} else {\\n\\t\\t\\tkeylen = 0;\\n\\t\\t}\\n\\t\\t/* append in the AUTH chunks */\\n\\t\\tif (chunks != NULL) {\\n\\t\\t\\tmemcpy(new_key->key + keylen, chunks,\\n\\t\\t\\t sizeof(*chunks) + num_chunks);\\n\\t\\t\\tkeylen += sizeof(*chunks) + num_chunks;\\n\\t\\t}\\n\\t\\t/* append in the HMACs */\\n\\t\\tif (hmacs != NULL) {\\n\\t\\t\\tmemcpy(new_key->key + keylen, hmacs,\\n\\t\\t\\t sizeof(*hmacs) + hmacs_len);\\n\\t\\t}\\n\\t} else {\\n\\t\\t/* failed to get memory for the key */\\n\\t\\treturn (-34);\\n\\t}\\n\\tif (stcb->asoc.authinfo.peer_random != NULL)\\n\\t\\tsctp_free_key(stcb->asoc.authinfo.peer_random);\\n\\tstcb->asoc.authinfo.peer_random = new_key;\\n\\tsctp_clear_cachedkeys(stcb, stcb->asoc.authinfo.assoc_keyid);\\n\\tsctp_clear_cachedkeys(stcb, stcb->asoc.authinfo.recv_keyid);\",\n \"\\treturn (0);\\n}\",\n \"int\\nsctp_set_primary_addr(struct sctp_tcb *stcb, struct sockaddr *sa,\\n\\t\\t struct sctp_nets *net)\\n{\\n\\t/* make sure the requested primary address exists in the assoc */\\n\\tif (net == NULL && sa)\\n\\t\\tnet = sctp_findnet(stcb, sa);\",\n \"\\tif (net == NULL) {\\n\\t\\t/* didn't find the requested primary address! */\\n\\t\\treturn (-1);\\n\\t} else {\\n\\t\\t/* set the primary address */\\n\\t\\tif (net->dest_state & SCTP_ADDR_UNCONFIRMED) {\\n\\t\\t\\t/* Must be confirmed, so queue to set */\\n\\t\\t\\tnet->dest_state |= SCTP_ADDR_REQ_PRIMARY;\\n\\t\\t\\treturn (0);\\n\\t\\t}\\n\\t\\tstcb->asoc.primary_destination = net;\\n\\t\\tif (!(net->dest_state & SCTP_ADDR_PF) && (stcb->asoc.alternate)) {\\n\\t\\t\\tsctp_free_remote_addr(stcb->asoc.alternate);\\n\\t\\t\\tstcb->asoc.alternate = NULL;\\n\\t\\t}\\n\\t\\tnet = TAILQ_FIRST(&stcb->asoc.nets);\\n\\t\\tif (net != stcb->asoc.primary_destination) {\\n\\t\\t\\t/* first one on the list is NOT the primary\\n\\t\\t\\t * sctp_cmpaddr() is much more efficient if\\n\\t\\t\\t * the primary is the first on the list, make it\\n\\t\\t\\t * so.\\n\\t\\t\\t */\\n\\t\\t\\tTAILQ_REMOVE(&stcb->asoc.nets, stcb->asoc.primary_destination, sctp_next);\\n\\t\\t\\tTAILQ_INSERT_HEAD(&stcb->asoc.nets, stcb->asoc.primary_destination, sctp_next);\\n\\t\\t}\\n\\t\\treturn (0);\\n\\t}\\n}\",\n \"int\\nsctp_is_vtag_good(uint32_t tag, uint16_t lport, uint16_t rport, struct timeval *now)\\n{\\n\\t/*\\n\\t * This function serves two purposes. It will see if a TAG can be\\n\\t * re-used and return 1 for yes it is ok and 0 for don't use that\\n\\t * tag. A secondary function it will do is purge out old tags that\\n\\t * can be removed.\\n\\t */\\n\\tstruct sctpvtaghead *chain;\\n\\tstruct sctp_tagblock *twait_block;\\n\\tstruct sctpasochead *head;\\n\\tstruct sctp_tcb *stcb;\\n\\tint i;\",\n \"\\tSCTP_INP_INFO_RLOCK();\\n\\thead = &SCTP_BASE_INFO(sctp_asochash)[SCTP_PCBHASH_ASOC(tag,\\n\\t\\t\\t\\t\\t\\t\\t\\tSCTP_BASE_INFO(hashasocmark))];\\n\\tLIST_FOREACH(stcb, head, sctp_asocs) {\\n\\t\\t/* We choose not to lock anything here. TCB's can't be\\n\\t\\t * removed since we have the read lock, so they can't\\n\\t\\t * be freed on us, same thing for the INP. I may\\n\\t\\t * be wrong with this assumption, but we will go\\n\\t\\t * with it for now :-)\\n\\t\\t */\\n\\t\\tif (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {\\n\\t\\t\\tcontinue;\\n\\t\\t}\\n\\t\\tif (stcb->asoc.my_vtag == tag) {\\n\\t\\t\\t/* candidate */\\n\\t\\t\\tif (stcb->rport != rport) {\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\tif (stcb->sctp_ep->sctp_lport != lport) {\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t}\\n\\t\\t\\t/* Its a used tag set */\\n\\t\\t\\tSCTP_INP_INFO_RUNLOCK();\\n\\t\\t\\treturn (0);\\n\\t\\t}\\n\\t}\\n\\tchain = &SCTP_BASE_INFO(vtag_timewait)[(tag % SCTP_STACK_VTAG_HASH_SIZE)];\\n\\t/* Now what about timed wait ? */\\n\\tLIST_FOREACH(twait_block, chain, sctp_nxt_tagblock) {\\n\\t\\t/*\\n\\t\\t * Block(s) are present, lets see if we have this tag in the\\n\\t\\t * list\\n\\t\\t */\\n\\t\\tfor (i = 0; i < SCTP_NUMBER_IN_VTAG_BLOCK; i++) {\\n\\t\\t\\tif (twait_block->vtag_block[i].v_tag == 0) {\\n\\t\\t\\t\\t/* not used */\\n\\t\\t\\t\\tcontinue;\\n\\t\\t\\t} else if ((long)twait_block->vtag_block[i].tv_sec_at_expire <\\n\\t\\t\\t\\t now->tv_sec) {\\n\\t\\t\\t\\t/* Audit expires this guy */\\n\\t\\t\\t\\ttwait_block->vtag_block[i].tv_sec_at_expire = 0;\\n\\t\\t\\t\\ttwait_block->vtag_block[i].v_tag = 0;\\n\\t\\t\\t\\ttwait_block->vtag_block[i].lport = 0;\\n\\t\\t\\t\\ttwait_block->vtag_block[i].rport = 0;\\n\\t\\t\\t} else if ((twait_block->vtag_block[i].v_tag == tag) &&\\n\\t\\t\\t\\t (twait_block->vtag_block[i].lport == lport) &&\\n\\t\\t\\t\\t (twait_block->vtag_block[i].rport == rport)) {\\n\\t\\t\\t\\t/* Bad tag, sorry :< */\\n\\t\\t\\t\\tSCTP_INP_INFO_RUNLOCK();\\n\\t\\t\\t\\treturn (0);\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n\\tSCTP_INP_INFO_RUNLOCK();\\n\\treturn (1);\\n}\",\n \"static void\\nsctp_drain_mbufs(struct sctp_tcb *stcb)\\n{\\n\\t/*\\n\\t * We must hunt this association for MBUF's past the cumack (i.e.\\n\\t * out of order data that we can renege on).\\n\\t */\\n\\tstruct sctp_association *asoc;\\n\\tstruct sctp_tmit_chunk *chk, *nchk;\\n\\tuint32_t cumulative_tsn_p1;\\n\\tstruct sctp_queued_to_read *control, *ncontrol;\\n\\tint cnt, strmat;\\n\\tuint32_t gap, i;\\n\\tint fnd = 0;\",\n \"\\t/* We look for anything larger than the cum-ack + 1 */\",\n \"\\tasoc = &stcb->asoc;\\n\\tif (asoc->cumulative_tsn == asoc->highest_tsn_inside_map) {\\n\\t\\t/* none we can reneg on. */\\n\\t\\treturn;\\n\\t}\\n\\tSCTP_STAT_INCR(sctps_protocol_drains_done);\\n\\tcumulative_tsn_p1 = asoc->cumulative_tsn + 1;\\n\\tcnt = 0;\\n\\t/* Ok that was fun, now we will drain all the inbound streams? */\\n\\tfor (strmat = 0; strmat < asoc->streamincnt; strmat++) {\\n\\t\\tTAILQ_FOREACH_SAFE(control, &asoc->strmin[strmat].inqueue, next_instrm, ncontrol) {\\n#ifdef INVARIANTS\\n\\t\\t\\tif (control->on_strm_q != SCTP_ON_ORDERED ) {\\n\\t\\t\\t\\tpanic(\\\"Huh control: %p on_q: %d -- not ordered?\\\",\\n\\t\\t\\t\\t control, control->on_strm_q);\\n\\t\\t\\t}\\n#endif\\n\\t\\t\\tif (SCTP_TSN_GT(control->sinfo_tsn, cumulative_tsn_p1)) {\\n\\t\\t\\t\\t/* Yep it is above cum-ack */\\n\\t\\t\\t\\tcnt++;\\n\\t\\t\\t\\tSCTP_CALC_TSN_TO_GAP(gap, control->sinfo_tsn, asoc->mapping_array_base_tsn);\\n\\t\\t\\t\\tKASSERT(control->length > 0, (\\\"control has zero length\\\"));\\n\\t\\t\\t\\tif (asoc->size_on_all_streams >= control->length) {\\n\\t\\t\\t\\t\\tasoc->size_on_all_streams -= control->length;\\n\\t\\t\\t\\t} else {\\n#ifdef INVARIANTS\\n\\t\\t\\t\\t\\tpanic(\\\"size_on_all_streams = %u smaller than control length %u\\\", asoc->size_on_all_streams, control->length);\\n#else\\n\\t\\t\\t\\t\\tasoc->size_on_all_streams = 0;\\n#endif\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tsctp_ucount_decr(asoc->cnt_on_all_streams);\\n\\t\\t\\t\\tSCTP_UNSET_TSN_PRESENT(asoc->mapping_array, gap);\\n\\t\\t\\t\\tif (control->on_read_q) {\\n\\t\\t\\t\\t\\tTAILQ_REMOVE(&stcb->sctp_ep->read_queue, control, next);\\n\\t\\t\\t\\t\\tcontrol->on_read_q = 0;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tTAILQ_REMOVE(&asoc->strmin[strmat].inqueue, control, next_instrm);\\n\\t\\t\\t\\tcontrol->on_strm_q = 0;\\n\\t\\t\\t\\tif (control->data) {\\n\\t\\t\\t\\t\\tsctp_m_freem(control->data);\\n\\t\\t\\t\\t\\tcontrol->data = NULL;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tsctp_free_remote_addr(control->whoFrom);\\n\\t\\t\\t\\t/* Now its reasm? */\\n\\t\\t\\t\\tTAILQ_FOREACH_SAFE(chk, &control->reasm, sctp_next, nchk) {\\n\\t\\t\\t\\t\\tcnt++;\\n\\t\\t\\t\\t\\tSCTP_CALC_TSN_TO_GAP(gap, chk->rec.data.tsn, asoc->mapping_array_base_tsn);\\n\\t\\t\\t\\t\\tKASSERT(chk->send_size > 0, (\\\"chunk has zero length\\\"));\\n\\t\\t\\t\\t\\tif (asoc->size_on_reasm_queue >= chk->send_size) {\\n\\t\\t\\t\\t\\t\\tasoc->size_on_reasm_queue -= chk->send_size;\\n\\t\\t\\t\\t\\t} else {\\n#ifdef INVARIANTS\\n\\t\\t\\t\\t\\t\\tpanic(\\\"size_on_reasm_queue = %u smaller than chunk length %u\\\", asoc->size_on_reasm_queue, chk->send_size);\\n#else\\n\\t\\t\\t\\t\\t\\tasoc->size_on_reasm_queue = 0;\\n#endif\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tsctp_ucount_decr(asoc->cnt_on_reasm_queue);\\n\\t\\t\\t\\t\\tSCTP_UNSET_TSN_PRESENT(asoc->mapping_array, gap);\\n\\t\\t\\t\\t\\tTAILQ_REMOVE(&control->reasm, chk, sctp_next);\\n\\t\\t\\t\\t\\tif (chk->data) {\\n\\t\\t\\t\\t\\t\\tsctp_m_freem(chk->data);\\n\\t\\t\\t\\t\\t\\tchk->data = NULL;\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tsctp_free_a_chunk(stcb, chk, SCTP_SO_NOT_LOCKED);\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tsctp_free_a_readq(stcb, control);\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\tTAILQ_FOREACH_SAFE(control, &asoc->strmin[strmat].uno_inqueue, next_instrm, ncontrol) {\\n#ifdef INVARIANTS\\n\\t\\t\\tif (control->on_strm_q != SCTP_ON_UNORDERED ) {\\n\\t\\t\\t\\tpanic(\\\"Huh control: %p on_q: %d -- not unordered?\\\",\\n\\t\\t\\t\\t control, control->on_strm_q);\\n\\t\\t\\t}\\n#endif\\n\\t\\t\\tif (SCTP_TSN_GT(control->sinfo_tsn, cumulative_tsn_p1)) {\\n\\t\\t\\t\\t/* Yep it is above cum-ack */\\n\\t\\t\\t\\tcnt++;\\n\\t\\t\\t\\tSCTP_CALC_TSN_TO_GAP(gap, control->sinfo_tsn, asoc->mapping_array_base_tsn);\\n\\t\\t\\t\\tKASSERT(control->length > 0, (\\\"control has zero length\\\"));\\n\\t\\t\\t\\tif (asoc->size_on_all_streams >= control->length) {\\n\\t\\t\\t\\t\\tasoc->size_on_all_streams -= control->length;\\n\\t\\t\\t\\t} else {\\n#ifdef INVARIANTS\\n\\t\\t\\t\\t\\tpanic(\\\"size_on_all_streams = %u smaller than control length %u\\\", asoc->size_on_all_streams, control->length);\\n#else\\n\\t\\t\\t\\t\\tasoc->size_on_all_streams = 0;\\n#endif\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tsctp_ucount_decr(asoc->cnt_on_all_streams);\\n\\t\\t\\t\\tSCTP_UNSET_TSN_PRESENT(asoc->mapping_array, gap);\\n\\t\\t\\t\\tif (control->on_read_q) {\\n\\t\\t\\t\\t\\tTAILQ_REMOVE(&stcb->sctp_ep->read_queue, control, next);\\n\\t\\t\\t\\t\\tcontrol->on_read_q = 0;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tTAILQ_REMOVE(&asoc->strmin[strmat].uno_inqueue, control, next_instrm);\\n\\t\\t\\t\\tcontrol->on_strm_q = 0;\\n\\t\\t\\t\\tif (control->data) {\\n\\t\\t\\t\\t\\tsctp_m_freem(control->data);\\n\\t\\t\\t\\t\\tcontrol->data = NULL;\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tsctp_free_remote_addr(control->whoFrom);\\n\\t\\t\\t\\t/* Now its reasm? */\\n\\t\\t\\t\\tTAILQ_FOREACH_SAFE(chk, &control->reasm, sctp_next, nchk) {\\n\\t\\t\\t\\t\\tcnt++;\\n\\t\\t\\t\\t\\tSCTP_CALC_TSN_TO_GAP(gap, chk->rec.data.tsn, asoc->mapping_array_base_tsn);\\n\\t\\t\\t\\t\\tKASSERT(chk->send_size > 0, (\\\"chunk has zero length\\\"));\\n\\t\\t\\t\\t\\tif (asoc->size_on_reasm_queue >= chk->send_size) {\\n\\t\\t\\t\\t\\t\\tasoc->size_on_reasm_queue -= chk->send_size;\\n\\t\\t\\t\\t\\t} else {\\n#ifdef INVARIANTS\\n\\t\\t\\t\\t\\t\\tpanic(\\\"size_on_reasm_queue = %u smaller than chunk length %u\\\", asoc->size_on_reasm_queue, chk->send_size);\\n#else\\n\\t\\t\\t\\t\\t\\tasoc->size_on_reasm_queue = 0;\\n#endif\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tsctp_ucount_decr(asoc->cnt_on_reasm_queue);\\n\\t\\t\\t\\t\\tSCTP_UNSET_TSN_PRESENT(asoc->mapping_array, gap);\\n\\t\\t\\t\\t\\tTAILQ_REMOVE(&control->reasm, chk, sctp_next);\\n\\t\\t\\t\\t\\tif (chk->data) {\\n\\t\\t\\t\\t\\t\\tsctp_m_freem(chk->data);\\n\\t\\t\\t\\t\\t\\tchk->data = NULL;\\n\\t\\t\\t\\t\\t}\\n\\t\\t\\t\\t\\tsctp_free_a_chunk(stcb, chk, SCTP_SO_NOT_LOCKED);\\n\\t\\t\\t\\t}\\n\\t\\t\\t\\tsctp_free_a_readq(stcb, control);\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n\\tif (cnt) {\\n\\t\\t/* We must back down to see what the new highest is */\\n\\t\\tfor (i = asoc->highest_tsn_inside_map; SCTP_TSN_GE(i, asoc->mapping_array_base_tsn); i--) {\\n\\t\\t\\tSCTP_CALC_TSN_TO_GAP(gap, i, asoc->mapping_array_base_tsn);\\n\\t\\t\\tif (SCTP_IS_TSN_PRESENT(asoc->mapping_array, gap)) {\\n\\t\\t\\t\\tasoc->highest_tsn_inside_map = i;\\n\\t\\t\\t\\tfnd = 1;\\n\\t\\t\\t\\tbreak;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t\\tif (!fnd) {\\n\\t\\t\\tasoc->highest_tsn_inside_map = asoc->mapping_array_base_tsn - 1;\\n\\t\\t}\",\n \"\\t\\t/*\\n\\t\\t * Question, should we go through the delivery queue? The only\\n\\t\\t * reason things are on here is the app not reading OR a p-d-api up.\\n\\t\\t * An attacker COULD send enough in to initiate the PD-API and then\\n\\t\\t * send a bunch of stuff to other streams... these would wind up on\\n\\t\\t * the delivery queue.. and then we would not get to them. But in\\n\\t\\t * order to do this I then have to back-track and un-deliver\\n\\t\\t * sequence numbers in streams.. el-yucko. I think for now we will\\n\\t\\t * NOT look at the delivery queue and leave it to be something to\\n\\t\\t * consider later. An alternative would be to abort the P-D-API with\\n\\t\\t * a notification and then deliver the data.... Or another method\\n\\t\\t * might be to keep track of how many times the situation occurs and\\n\\t\\t * if we see a possible attack underway just abort the association.\\n\\t\\t */\\n#ifdef SCTP_DEBUG\\n\\t\\tSCTPDBG(SCTP_DEBUG_PCB1, \\\"Freed %d chunks from reneg harvest\\\\n\\\", cnt);\\n#endif\\n\\t\\t/*\\n\\t\\t * Now do we need to find a new\\n\\t\\t * asoc->highest_tsn_inside_map?\\n\\t\\t */\\n\\t\\tasoc->last_revoke_count = cnt;\\n\\t\\t(void)SCTP_OS_TIMER_STOP(&stcb->asoc.dack_timer.timer);\\n\\t\\t/*sa_ignore NO_NULL_CHK*/\\n\\t\\tsctp_send_sack(stcb, SCTP_SO_NOT_LOCKED);\\n\\t\\tsctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_DRAIN, SCTP_SO_NOT_LOCKED);\\n\\t}\\n\\t/*\\n\\t * Another issue, in un-setting the TSN's in the mapping array we\\n\\t * DID NOT adjust the highest_tsn marker. This will cause one of two\\n\\t * things to occur. It may cause us to do extra work in checking for\\n\\t * our mapping array movement. More importantly it may cause us to\\n\\t * SACK every datagram. This may not be a bad thing though since we\\n\\t * will recover once we get our cum-ack above and all this stuff we\\n\\t * dumped recovered.\\n\\t */\\n}\",\n \"void\\nsctp_drain()\\n{\\n\\t/*\\n\\t * We must walk the PCB lists for ALL associations here. The system\\n\\t * is LOW on MBUF's and needs help. This is where reneging will\\n\\t * occur. We really hope this does NOT happen!\\n\\t */\\n#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\\n\\tVNET_ITERATOR_DECL(vnet_iter);\\n#else\\n\\tstruct sctp_inpcb *inp;\\n\\tstruct sctp_tcb *stcb;\",\n \"\\tSCTP_STAT_INCR(sctps_protocol_drain_calls);\\n\\tif (SCTP_BASE_SYSCTL(sctp_do_drain) == 0) {\\n\\t\\treturn;\\n\\t}\\n#endif\\n#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\\n\\tVNET_LIST_RLOCK_NOSLEEP();\\n\\tVNET_FOREACH(vnet_iter) {\\n\\t\\tCURVNET_SET(vnet_iter);\\n\\t\\tstruct sctp_inpcb *inp;\\n\\t\\tstruct sctp_tcb *stcb;\\n#endif\",\n \"#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\\n\\t\\tSCTP_STAT_INCR(sctps_protocol_drain_calls);\\n\\t\\tif (SCTP_BASE_SYSCTL(sctp_do_drain) == 0) {\\n#ifdef VIMAGE\\n\\t\\t\\tcontinue;\\n#else\\n\\t\\t\\treturn;\\n#endif\\n\\t\\t}\\n#endif\\n\\t\\tSCTP_INP_INFO_RLOCK();\\n\\t\\tLIST_FOREACH(inp, &SCTP_BASE_INFO(listhead), sctp_list) {\\n\\t\\t\\t/* For each endpoint */\\n\\t\\t\\tSCTP_INP_RLOCK(inp);\\n\\t\\t\\tLIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {\\n\\t\\t\\t\\t/* For each association */\\n\\t\\t\\t\\tSCTP_TCB_LOCK(stcb);\\n\\t\\t\\t\\tsctp_drain_mbufs(stcb);\\n\\t\\t\\t\\tSCTP_TCB_UNLOCK(stcb);\\n\\t\\t\\t}\\n\\t\\t\\tSCTP_INP_RUNLOCK(inp);\\n\\t\\t}\\n\\t\\tSCTP_INP_INFO_RUNLOCK();\\n#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\\n\\t\\tCURVNET_RESTORE();\\n\\t}\\n\\tVNET_LIST_RUNLOCK_NOSLEEP();\\n#endif\\n}\",\n \"/*\\n * start a new iterator\\n * iterates through all endpoints and associations based on the pcb_state\\n * flags and asoc_state. \\\"af\\\" (mandatory) is executed for all matching\\n * assocs and \\\"ef\\\" (optional) is executed when the iterator completes.\\n * \\\"inpf\\\" (optional) is executed for each new endpoint as it is being\\n * iterated through. inpe (optional) is called when the inp completes\\n * its way through all the stcbs.\\n */\\nint\\nsctp_initiate_iterator(inp_func inpf,\\n\\t\\t asoc_func af,\\n\\t\\t inp_func inpe,\\n\\t\\t uint32_t pcb_state,\\n\\t\\t uint32_t pcb_features,\\n\\t\\t uint32_t asoc_state,\\n\\t\\t void *argp,\\n\\t\\t uint32_t argi,\\n\\t\\t end_func ef,\\n\\t\\t struct sctp_inpcb *s_inp,\\n\\t\\t uint8_t chunk_output_off)\\n{\\n\\tstruct sctp_iterator *it = NULL;\",\n \"\\tif (af == NULL) {\\n\\t\\treturn (-1);\\n\\t}\\n\\tif (SCTP_BASE_VAR(sctp_pcb_initialized) == 0) {\\n\\t\\tSCTP_PRINTF(\\\"%s: abort on initialize being %d\\\\n\\\", __func__,\\n\\t\\t SCTP_BASE_VAR(sctp_pcb_initialized));\\n\\t\\treturn (-1);\\n\\t}\\n\\tSCTP_MALLOC(it, struct sctp_iterator *, sizeof(struct sctp_iterator),\\n\\t\\t SCTP_M_ITER);\\n\\tif (it == NULL) {\\n\\t\\tSCTP_LTRACE_ERR_RET(NULL, NULL, NULL, SCTP_FROM_SCTP_PCB, ENOMEM);\\n\\t\\treturn (ENOMEM);\\n\\t}\\n\\tmemset(it, 0, sizeof(*it));\\n\\tit->function_assoc = af;\\n\\tit->function_inp = inpf;\\n\\tif (inpf)\\n\\t\\tit->done_current_ep = 0;\\n\\telse\\n\\t\\tit->done_current_ep = 1;\\n\\tit->function_atend = ef;\\n\\tit->pointer = argp;\\n\\tit->val = argi;\\n\\tit->pcb_flags = pcb_state;\\n\\tit->pcb_features = pcb_features;\\n\\tit->asoc_state = asoc_state;\\n\\tit->function_inp_end = inpe;\\n\\tit->no_chunk_output = chunk_output_off;\\n#if defined(__FreeBSD__) && __FreeBSD_version >= 801000\\n\\tit->vn = curvnet;\\n#endif\\n\\tif (s_inp) {\\n\\t\\t/* Assume lock is held here */\\n\\t\\tit->inp = s_inp;\\n\\t\\tSCTP_INP_INCR_REF(it->inp);\\n\\t\\tit->iterator_flags = SCTP_ITERATOR_DO_SINGLE_INP;\\n\\t} else {\\n\\t\\tSCTP_INP_INFO_RLOCK();\\n\\t\\tit->inp = LIST_FIRST(&SCTP_BASE_INFO(listhead));\\n\\t\\tif (it->inp) {\\n\\t\\t\\tSCTP_INP_INCR_REF(it->inp);\\n\\t\\t}\\n\\t\\tSCTP_INP_INFO_RUNLOCK();\\n\\t\\tit->iterator_flags = SCTP_ITERATOR_DO_ALL_INP;\",\n \"\\t}\\n\\tSCTP_IPI_ITERATOR_WQ_LOCK();\\n\\tif (SCTP_BASE_VAR(sctp_pcb_initialized) == 0) {\\n\\t\\tSCTP_IPI_ITERATOR_WQ_UNLOCK();\\n\\t\\tSCTP_PRINTF(\\\"%s: rollback on initialize being %d it=%p\\\\n\\\", __func__,\\n\\t\\t SCTP_BASE_VAR(sctp_pcb_initialized), it);\\n\\t\\tSCTP_FREE(it, SCTP_M_ITER);\\n\\t\\treturn (-1);\\n\\t}\\n\\tTAILQ_INSERT_TAIL(&sctp_it_ctl.iteratorhead, it, sctp_nxt_itr);\\n\\tif (sctp_it_ctl.iterator_running == 0) {\\n\\t\\tsctp_wakeup_iterator();\\n\\t}\\n\\tSCTP_IPI_ITERATOR_WQ_UNLOCK();\\n\\t/* sa_ignore MEMLEAK {memory is put on the tailq for the iterator} */\\n\\treturn (0);\\n}\"\n]","isConversational":false},"labels":{"kind":"list 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\"fixing_code_start_loc\": [37, 37], \"message\": \"usrsctp before 2019-12-20 has out-of-bounds reads in sctp_load_addresses_from_init.\", \"other\": {\"cve\": {\"cisaActionDue\": null, \"cisaExploitAdd\": null, \"cisaRequiredAction\": null, \"cisaVulnerabilityName\": null, \"configurations\": [{\"nodes\": [{\"cpeMatch\": [{\"criteria\": \"cpe:2.3:a:usrsctp_project:usrsctp:*:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"1DE09463-9EA6-49EF-BCBF-568BE6E965B8\", \"versionEndExcluding\": \"2019-12-20\", \"versionEndIncluding\": null, \"versionStartExcluding\": null, \"versionStartIncluding\": null, \"vulnerable\": true}], \"negate\": false, \"operator\": \"OR\"}], \"operator\": null}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"usrsctp before 2019-12-20 has out-of-bounds reads in sctp_load_addresses_from_init.\"}, {\"lang\": \"es\", \"value\": \"usrsctp versiones anteriores al 20-12-2019, presenta lecturas fuera de l\\u00edmites en la funci\\u00f3n sctp_load_addresses_from_init.\"}], \"evaluatorComment\": null, \"id\": \"CVE-2019-20503\", \"lastModified\": \"2020-06-11T15:15:11.287\", \"metrics\": {\"cvssMetricV2\": [{\"acInsufInfo\": false, \"baseSeverity\": \"MEDIUM\", \"cvssData\": {\"accessComplexity\": \"MEDIUM\", \"accessVector\": \"NETWORK\", \"authentication\": \"NONE\", \"availabilityImpact\": \"PARTIAL\", \"baseScore\": 4.3, \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"vectorString\": \"AV:N/AC:M/Au:N/C:N/I:N/A:P\", \"version\": \"2.0\"}, \"exploitabilityScore\": 8.6, \"impactScore\": 2.9, \"obtainAllPrivilege\": false, \"obtainOtherPrivilege\": false, \"obtainUserPrivilege\": false, \"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"userInteractionRequired\": true}], \"cvssMetricV30\": null, \"cvssMetricV31\": [{\"cvssData\": {\"attackComplexity\": \"LOW\", \"attackVector\": \"NETWORK\", \"availabilityImpact\": \"HIGH\", \"baseScore\": 6.5, \"baseSeverity\": \"MEDIUM\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"privilegesRequired\": \"NONE\", \"scope\": \"UNCHANGED\", \"userInteraction\": \"REQUIRED\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H\", \"version\": \"3.1\"}, \"exploitabilityScore\": 2.8, \"impactScore\": 3.6, \"source\": \"nvd@nist.gov\", \"type\": \"Primary\"}]}, \"published\": \"2020-03-06T20:15:12.470\", \"references\": [{\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00022.html\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00028.html\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00030.html\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00037.html\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://seclists.org/fulldisclosure/2020/May/49\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://seclists.org/fulldisclosure/2020/May/52\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://seclists.org/fulldisclosure/2020/May/55\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"http://seclists.org/fulldisclosure/2020/May/59\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://access.redhat.com/errata/RHSA-2020:0815\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://access.redhat.com/errata/RHSA-2020:0816\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://access.redhat.com/errata/RHSA-2020:0819\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://access.redhat.com/errata/RHSA-2020:0820\"}, {\"source\": \"cve@mitre.org\", \"tags\": [\"Exploit\", \"Patch\", \"Vendor Advisory\"], \"url\": \"https://bugs.chromium.org/p/project-zero/issues/detail?id=1992\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://chromereleases.googleblog.com/2020/03/stable-channel-update-for-desktop_18.html\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://crbug.com/1059349\"}, {\"source\": \"cve@mitre.org\", \"tags\": [\"Patch\", \"Third Party Advisory\"], \"url\": \"https://github.com/sctplab/usrsctp/commit/790a7a2555aefb392a5a69923f1e9d17b4968467\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://lists.debian.org/debian-lts-announce/2020/03/msg00013.html\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://lists.debian.org/debian-lts-announce/2020/03/msg00023.html\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2DDNOAGIX5D77TTHT6YPMVJ5WTXTCQEI/\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6IOHSO6BUKC6I66J5PZOMAGFVJ66ZS57/\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JWANFIR3PYAL5RJQ4AO3ZS2DYMSF2ZGZ/\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://security.gentoo.org/glsa/202003-02\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://security.gentoo.org/glsa/202003-10\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://support.apple.com/HT211168\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://support.apple.com/HT211171\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://support.apple.com/HT211175\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://support.apple.com/HT211177\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://support.apple.com/kb/HT211168\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://support.apple.com/kb/HT211171\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://support.apple.com/kb/HT211175\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://support.apple.com/kb/HT211177\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://usn.ubuntu.com/4299-1/\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://usn.ubuntu.com/4328-1/\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://usn.ubuntu.com/4335-1/\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://www.debian.org/security/2020/dsa-4639\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://www.debian.org/security/2020/dsa-4642\"}, {\"source\": \"cve@mitre.org\", \"tags\": null, \"url\": \"https://www.debian.org/security/2020/dsa-4645\"}], \"sourceIdentifier\": \"cve@mitre.org\", \"vendorComments\": null, \"vulnStatus\": \"Modified\", \"weaknesses\": [{\"description\": [{\"lang\": \"en\", \"value\": \"CWE-125\"}], \"source\": \"nvd@nist.gov\", \"type\": \"Primary\"}]}, \"github_commit_url\": \"https://github.com/sctplab/usrsctp/commit/790a7a2555aefb392a5a69923f1e9d17b4968467\"}, \"type\": \"CWE-125\"}"},"index":{"kind":"number","value":860,"string":"860"}}},{"rowIdx":5096,"cells":{"prompt":{"kind":"string","value":"Determine whether the {function_name} code is vulnerable or not."},"completions":{"kind":"list like","value":["\"\"\"Domain related views.\"\"\"","from functools import reduce","from reversion import revisions as reversion","from django.contrib.auth import mixins as auth_mixins\nfrom django.contrib.auth.decorators import (\n login_required, permission_required, user_passes_test\n)\nfrom django.db.models import Q, Sum\nfrom django.http import HttpResponseRedirect\nfrom django.shortcuts import render\nfrom django.template.loader import render_to_string\nfrom django.urls import reverse\nfrom django.utils.translation import ugettext as _, ungettext\nfrom django.views import generic\nfrom django.views.decorators.csrf import ensure_csrf_cookie","","\nfrom modoboa.core import signals as core_signals\nfrom modoboa.lib.exceptions import PermDeniedException\nfrom modoboa.lib.listing import get_listing_page, get_sort_order\nfrom modoboa.lib.web_utils import render_to_json_response\nfrom modoboa.maillog import models as ml_models","from .. import signals\nfrom ..forms import DomainForm, DomainWizard\nfrom ..lib import get_domains\nfrom ..models import Domain, Mailbox","\n@login_required\ndef index(request):\n return HttpResponseRedirect(reverse(\"admin:domain_list\"))","\n@login_required\n@user_passes_test(\n lambda u: u.has_perm(\"admin.view_domain\") or\n u.has_perm(\"admin.view_mailbox\")\n)\ndef _domains(request):\n sort_order, sort_dir = get_sort_order(request.GET, \"name\")\n extra_filters = signals.extra_domain_filters.send(sender=\"_domains\")\n if extra_filters:\n extra_filters = reduce(\n lambda a, b: a + b, [result[1] for result in extra_filters])\n filters = {\n flt: request.GET.get(flt, None)\n for flt in [\"domfilter\", \"searchquery\"] + extra_filters\n }\n request.session[\"domains_filters\"] = filters\n domainlist = get_domains(request.user, **filters)\n if sort_order == \"name\":\n domainlist = sorted(\n domainlist,\n key=lambda d: getattr(d, sort_order), reverse=sort_dir == \"-\"\n )\n else:\n domainlist = sorted(domainlist, key=lambda d: d.tags[0][\"name\"],\n reverse=sort_dir == \"-\")\n context = {\n \"handle_mailboxes\": request.localconfig.parameters.get_value(\n \"handle_mailboxes\", raise_exception=False),\n \"auto_account_removal\": request.localconfig.parameters.get_value(\n \"auto_account_removal\"),\n }\n page = get_listing_page(domainlist, request.GET.get(\"page\", 1))\n parameters = request.localconfig.parameters\n dns_checks = {\n \"enable_mx_checks\": parameters.get_value(\"enable_mx_checks\"),\n \"enable_spf_checks\": parameters.get_value(\"enable_spf_checks\"),\n \"enable_dkim_checks\": parameters.get_value(\"enable_dkim_checks\"),\n \"enable_dmarc_checks\": parameters.get_value(\"enable_dmarc_checks\"),\n \"enable_autoconfig_checks\": (\n parameters.get_value(\"enable_autoconfig_checks\")),\n \"enable_dnsbl_checks\": parameters.get_value(\"enable_dnsbl_checks\")\n }\n context[\"headers\"] = render_to_string(\n \"admin/domain_headers.html\", dns_checks, request\n )\n if page is None:\n context[\"length\"] = 0\n else:\n tpl_context = {\"domains\": page.object_list}\n tpl_context.update(dns_checks)\n context[\"rows\"] = render_to_string(\n \"admin/domains_table.html\", tpl_context, request\n )\n context[\"pages\"] = [page.number]\n return render_to_json_response(context)","\n@login_required\n@ensure_csrf_cookie\ndef domains(request, tplname=\"admin/domains.html\"):\n if not request.user.has_perm(\"admin.view_domain\"):\n if request.user.has_perm(\"admin.view_mailbox\"):\n return HttpResponseRedirect(\n reverse(\"admin:identity_list\")\n )\n return HttpResponseRedirect(reverse(\"core:user_index\"))\n parameters = request.localconfig.parameters\n return render(request, tplname, {\n \"selection\": \"domains\",\n \"enable_mx_checks\": parameters.get_value(\"enable_mx_checks\"),\n \"enable_spf_checks\": parameters.get_value(\"enable_spf_checks\"),\n \"enable_dkim_checks\": parameters.get_value(\"enable_dkim_checks\"),\n \"enable_dmarc_checks\": parameters.get_value(\"enable_dmarc_checks\"),\n \"enable_autoconfig_checks\": (\n parameters.get_value(\"enable_autoconfig_checks\")),\n \"enable_dnsbl_checks\": parameters.get_value(\"enable_dnsbl_checks\")\n })","\n@login_required\n@user_passes_test(\n lambda u: u.has_perm(\"admin.view_domain\") or\n u.has_perm(\"admin.view_mailbox\") or\n u.has_perm(\"admin.add_domain\")\n)\ndef get_next_page(request):\n \"\"\"Return the next page of the domain or quota list.\"\"\"\n objtype = request.GET.get(\"objtype\", \"domain\")\n if objtype == \"domain\":\n return _domains(request)\n if objtype == \"quota\":\n return list_quotas(request)\n return list_logs(request)","\n@login_required\n@permission_required(\"core.add_user\")\ndef domains_list(request):\n doms = [dom.name for dom in Domain.objects.get_for_admin(request.user)]\n return render_to_json_response(doms)","\n@login_required\n@permission_required(\"admin.view_domain\")\ndef list_quotas(request):\n sort_order, sort_dir = get_sort_order(request.GET, \"name\")\n domains = Domain.objects.get_for_admin(request.user)\n domains = domains.exclude(quota=0)\n if sort_order in [\"name\", \"quota\"]:\n domains = domains.order_by(\"{}{}\".format(sort_dir, sort_order))\n elif sort_order == \"allocated_quota\":\n domains = (\n domains.annotate(allocated_quota=Sum(\"mailbox__quota\"))\n .order_by(\"{}{}\".format(sort_dir, sort_order))\n )\n page = get_listing_page(domains, request.GET.get(\"page\", 1))\n context = {\n \"headers\": render_to_string(\n \"admin/domains_quota_headers.html\", {}, request\n )\n }\n if page is None:\n context[\"length\"] = 0\n else:\n context[\"rows\"] = render_to_string(\n \"admin/domains_quotas.html\", {\"domains\": page}, request\n )\n context[\"pages\"] = [page.number]\n return render_to_json_response(context)","\n@login_required\n@permission_required(\"admin.view_domain\")\ndef list_logs(request):\n \"\"\"List all Maillog entries.\"\"\"\n sort_order, sort_dir = get_sort_order(request.GET, \"date\")\n search = request.GET.get(\"searchquery\")\n if not request.user.is_superuser:\n domains = Domain.objects.get_for_admin(request.user)\n logs = ml_models.Maillog.objects.filter(\n Q(from_domain__in=domains) | Q(to_domain__in=domains)\n )\n else:\n logs = ml_models.Maillog.objects.all()\n logs = logs.order_by(\"{}{}\".format(sort_dir, sort_order))\n if search:\n logs = logs.filter(\n Q(sender__icontains=search) |\n Q(rcpt__icontains=search) |\n Q(queue_id__icontains=search) |\n Q(status__icontains=search)\n )\n page = get_listing_page(logs, request.GET.get(\"page\", 1))\n context = {\n \"headers\": render_to_string(\n \"admin/domains_log_headers.html\", {}, request\n )\n }\n if page is None:\n context[\"length\"] = 0\n else:\n context[\"rows\"] = render_to_string(\n \"admin/domains_logs.html\", {\"logs\": page}, request\n )\n context[\"pages\"] = [page.number]\n return render_to_json_response(context)","\n@login_required\n@permission_required(\"admin.add_domain\")\n@reversion.create_revision()\ndef newdomain(request):\n core_signals.can_create_object.send(\n \"newdomain\", context=request.user, klass=Domain)\n return DomainWizard(request).process()","\n@login_required\n@permission_required(\"admin.view_domain\")\n@reversion.create_revision()\ndef editdomain(request, dom_id):\n \"\"\"Edit domain view.\"\"\"\n domain = Domain.objects.get(pk=dom_id)\n if not request.user.can_access(domain):\n raise PermDeniedException"," instances = {\"general\": domain}\n results = signals.get_domain_form_instances.send(\n sender=\"editdomain\", user=request.user, domain=domain)\n for result in results:\n instances.update(result[1])\n return DomainForm(request, instances=instances).process()","\n@login_required\n@permission_required(\"admin.delete_domain\")","","def deldomain(request, dom_id):\n keepdir = request.POST.get(\"keepdir\", \"false\") == \"true\"\n try:\n mb = Mailbox.objects.get(user__id=request.user.id)\n except Mailbox.DoesNotExist:\n mb = None"," dom = Domain.objects.get(pk=dom_id)\n if not request.user.can_access(dom):\n raise PermDeniedException\n if mb and mb.domain == dom:\n raise PermDeniedException(_(\"You can't delete your own domain\"))\n dom.delete(request.user, keepdir)"," msg = ungettext(\"Domain deleted\", \"Domains deleted\", 1)\n return render_to_json_response(msg)","\nclass DomainDetailView(\n auth_mixins.PermissionRequiredMixin, generic.DetailView):\n \"\"\"DetailView for Domain.\"\"\""," model = Domain\n permission_required = \"admin.view_domain\""," def get_queryset(self):\n \"\"\"Add some prefetching.\"\"\"\n return (\n Domain.objects.get_for_admin(self.request.user)\n .prefetch_related(\"domainalias_set\", \"mailbox_set\", \"alias_set\")\n )"," def get_context_data(self, **kwargs):\n \"\"\"Include extra widgets.\"\"\"\n context = super(DomainDetailView, self).get_context_data(**kwargs)\n result = signals.extra_domain_dashboard_widgets.send(\n self.__class__, user=self.request.user, domain=self.object)\n parameters = self.request.localconfig.parameters\n context.update({\n \"templates\": {\"left\": [], \"right\": []},\n \"enable_mx_checks\": parameters.get_value(\"enable_mx_checks\"),\n \"enable_spf_checks\": parameters.get_value(\"enable_spf_checks\"),\n \"enable_dkim_checks\": parameters.get_value(\"enable_dkim_checks\"),\n \"enable_dmarc_checks\": parameters.get_value(\"enable_dmarc_checks\"),\n \"enable_autoconfig_checks\": (\n parameters.get_value(\"enable_autoconfig_checks\")),\n \"enable_dnsbl_checks\": parameters.get_value(\"enable_dnsbl_checks\"),\n })\n for _receiver, widgets in result:\n for widget in widgets:\n context[\"templates\"][widget[\"column\"]].append(\n widget[\"template\"])\n # FIXME: can raise conflicts...\n context.update(widget[\"context\"])"," return context","\nclass DomainAlarmsView(\n auth_mixins.PermissionRequiredMixin, generic.DetailView):\n \"\"\"A view to list domain alarms.\"\"\""," model = Domain\n permission_required = \"admin.view_domain\"\n template_name = \"admin/domain_alarms.html\""," def get_queryset(self):\n \"\"\"Add some prefetching.\"\"\"\n return (\n Domain.objects.get_for_admin(self.request.user)\n .prefetch_related(\"alarms\")\n )"],"string":"[\n \"\\\"\\\"\\\"Domain related views.\\\"\\\"\\\"\",\n \"from functools import reduce\",\n \"from reversion import revisions as reversion\",\n \"from django.contrib.auth import mixins as auth_mixins\\nfrom django.contrib.auth.decorators import (\\n login_required, permission_required, user_passes_test\\n)\\nfrom django.db.models import Q, Sum\\nfrom django.http import HttpResponseRedirect\\nfrom django.shortcuts import render\\nfrom django.template.loader import render_to_string\\nfrom django.urls import reverse\\nfrom django.utils.translation import ugettext as _, ungettext\\nfrom django.views import generic\\nfrom django.views.decorators.csrf import ensure_csrf_cookie\",\n \"\",\n \"\\nfrom modoboa.core import signals as core_signals\\nfrom modoboa.lib.exceptions import PermDeniedException\\nfrom modoboa.lib.listing import get_listing_page, get_sort_order\\nfrom modoboa.lib.web_utils import render_to_json_response\\nfrom modoboa.maillog import models as ml_models\",\n \"from .. import signals\\nfrom ..forms import DomainForm, DomainWizard\\nfrom ..lib import get_domains\\nfrom ..models import Domain, Mailbox\",\n \"\\n@login_required\\ndef index(request):\\n return HttpResponseRedirect(reverse(\\\"admin:domain_list\\\"))\",\n \"\\n@login_required\\n@user_passes_test(\\n lambda u: u.has_perm(\\\"admin.view_domain\\\") or\\n u.has_perm(\\\"admin.view_mailbox\\\")\\n)\\ndef _domains(request):\\n sort_order, sort_dir = get_sort_order(request.GET, \\\"name\\\")\\n extra_filters = signals.extra_domain_filters.send(sender=\\\"_domains\\\")\\n if extra_filters:\\n extra_filters = reduce(\\n lambda a, b: a + b, [result[1] for result in extra_filters])\\n filters = {\\n flt: request.GET.get(flt, None)\\n for flt in [\\\"domfilter\\\", \\\"searchquery\\\"] + extra_filters\\n }\\n request.session[\\\"domains_filters\\\"] = filters\\n domainlist = get_domains(request.user, **filters)\\n if sort_order == \\\"name\\\":\\n domainlist = sorted(\\n domainlist,\\n key=lambda d: getattr(d, sort_order), reverse=sort_dir == \\\"-\\\"\\n )\\n else:\\n domainlist = sorted(domainlist, key=lambda d: d.tags[0][\\\"name\\\"],\\n reverse=sort_dir == \\\"-\\\")\\n context = {\\n \\\"handle_mailboxes\\\": request.localconfig.parameters.get_value(\\n \\\"handle_mailboxes\\\", raise_exception=False),\\n \\\"auto_account_removal\\\": request.localconfig.parameters.get_value(\\n \\\"auto_account_removal\\\"),\\n }\\n page = get_listing_page(domainlist, request.GET.get(\\\"page\\\", 1))\\n parameters = request.localconfig.parameters\\n dns_checks = {\\n \\\"enable_mx_checks\\\": parameters.get_value(\\\"enable_mx_checks\\\"),\\n \\\"enable_spf_checks\\\": parameters.get_value(\\\"enable_spf_checks\\\"),\\n \\\"enable_dkim_checks\\\": parameters.get_value(\\\"enable_dkim_checks\\\"),\\n \\\"enable_dmarc_checks\\\": parameters.get_value(\\\"enable_dmarc_checks\\\"),\\n \\\"enable_autoconfig_checks\\\": (\\n parameters.get_value(\\\"enable_autoconfig_checks\\\")),\\n \\\"enable_dnsbl_checks\\\": parameters.get_value(\\\"enable_dnsbl_checks\\\")\\n }\\n context[\\\"headers\\\"] = render_to_string(\\n \\\"admin/domain_headers.html\\\", dns_checks, request\\n )\\n if page is None:\\n context[\\\"length\\\"] = 0\\n else:\\n tpl_context = {\\\"domains\\\": page.object_list}\\n tpl_context.update(dns_checks)\\n context[\\\"rows\\\"] = render_to_string(\\n \\\"admin/domains_table.html\\\", tpl_context, request\\n )\\n context[\\\"pages\\\"] = [page.number]\\n return render_to_json_response(context)\",\n \"\\n@login_required\\n@ensure_csrf_cookie\\ndef domains(request, tplname=\\\"admin/domains.html\\\"):\\n if not request.user.has_perm(\\\"admin.view_domain\\\"):\\n if request.user.has_perm(\\\"admin.view_mailbox\\\"):\\n return HttpResponseRedirect(\\n reverse(\\\"admin:identity_list\\\")\\n )\\n return HttpResponseRedirect(reverse(\\\"core:user_index\\\"))\\n parameters = request.localconfig.parameters\\n return render(request, tplname, {\\n \\\"selection\\\": \\\"domains\\\",\\n \\\"enable_mx_checks\\\": parameters.get_value(\\\"enable_mx_checks\\\"),\\n \\\"enable_spf_checks\\\": parameters.get_value(\\\"enable_spf_checks\\\"),\\n \\\"enable_dkim_checks\\\": parameters.get_value(\\\"enable_dkim_checks\\\"),\\n \\\"enable_dmarc_checks\\\": parameters.get_value(\\\"enable_dmarc_checks\\\"),\\n \\\"enable_autoconfig_checks\\\": (\\n parameters.get_value(\\\"enable_autoconfig_checks\\\")),\\n \\\"enable_dnsbl_checks\\\": parameters.get_value(\\\"enable_dnsbl_checks\\\")\\n })\",\n \"\\n@login_required\\n@user_passes_test(\\n lambda u: u.has_perm(\\\"admin.view_domain\\\") or\\n u.has_perm(\\\"admin.view_mailbox\\\") or\\n u.has_perm(\\\"admin.add_domain\\\")\\n)\\ndef get_next_page(request):\\n \\\"\\\"\\\"Return the next page of the domain or quota list.\\\"\\\"\\\"\\n objtype = request.GET.get(\\\"objtype\\\", \\\"domain\\\")\\n if objtype == \\\"domain\\\":\\n return _domains(request)\\n if objtype == \\\"quota\\\":\\n return list_quotas(request)\\n return list_logs(request)\",\n \"\\n@login_required\\n@permission_required(\\\"core.add_user\\\")\\ndef domains_list(request):\\n doms = [dom.name for dom in Domain.objects.get_for_admin(request.user)]\\n return render_to_json_response(doms)\",\n \"\\n@login_required\\n@permission_required(\\\"admin.view_domain\\\")\\ndef list_quotas(request):\\n sort_order, sort_dir = get_sort_order(request.GET, \\\"name\\\")\\n domains = Domain.objects.get_for_admin(request.user)\\n domains = domains.exclude(quota=0)\\n if sort_order in [\\\"name\\\", \\\"quota\\\"]:\\n domains = domains.order_by(\\\"{}{}\\\".format(sort_dir, sort_order))\\n elif sort_order == \\\"allocated_quota\\\":\\n domains = (\\n domains.annotate(allocated_quota=Sum(\\\"mailbox__quota\\\"))\\n .order_by(\\\"{}{}\\\".format(sort_dir, sort_order))\\n )\\n page = get_listing_page(domains, request.GET.get(\\\"page\\\", 1))\\n context = {\\n \\\"headers\\\": render_to_string(\\n \\\"admin/domains_quota_headers.html\\\", {}, request\\n )\\n }\\n if page is None:\\n context[\\\"length\\\"] = 0\\n else:\\n context[\\\"rows\\\"] = render_to_string(\\n \\\"admin/domains_quotas.html\\\", {\\\"domains\\\": page}, request\\n )\\n context[\\\"pages\\\"] = [page.number]\\n return render_to_json_response(context)\",\n \"\\n@login_required\\n@permission_required(\\\"admin.view_domain\\\")\\ndef list_logs(request):\\n \\\"\\\"\\\"List all Maillog entries.\\\"\\\"\\\"\\n sort_order, sort_dir = get_sort_order(request.GET, \\\"date\\\")\\n search = request.GET.get(\\\"searchquery\\\")\\n if not request.user.is_superuser:\\n domains = Domain.objects.get_for_admin(request.user)\\n logs = ml_models.Maillog.objects.filter(\\n Q(from_domain__in=domains) | Q(to_domain__in=domains)\\n )\\n else:\\n logs = ml_models.Maillog.objects.all()\\n logs = logs.order_by(\\\"{}{}\\\".format(sort_dir, sort_order))\\n if search:\\n logs = logs.filter(\\n Q(sender__icontains=search) |\\n Q(rcpt__icontains=search) |\\n Q(queue_id__icontains=search) |\\n Q(status__icontains=search)\\n )\\n page = get_listing_page(logs, request.GET.get(\\\"page\\\", 1))\\n context = {\\n \\\"headers\\\": render_to_string(\\n \\\"admin/domains_log_headers.html\\\", {}, request\\n )\\n }\\n if page is None:\\n context[\\\"length\\\"] = 0\\n else:\\n context[\\\"rows\\\"] = render_to_string(\\n \\\"admin/domains_logs.html\\\", {\\\"logs\\\": page}, request\\n )\\n context[\\\"pages\\\"] = [page.number]\\n return render_to_json_response(context)\",\n \"\\n@login_required\\n@permission_required(\\\"admin.add_domain\\\")\\n@reversion.create_revision()\\ndef newdomain(request):\\n core_signals.can_create_object.send(\\n \\\"newdomain\\\", context=request.user, klass=Domain)\\n return DomainWizard(request).process()\",\n \"\\n@login_required\\n@permission_required(\\\"admin.view_domain\\\")\\n@reversion.create_revision()\\ndef editdomain(request, dom_id):\\n \\\"\\\"\\\"Edit domain view.\\\"\\\"\\\"\\n domain = Domain.objects.get(pk=dom_id)\\n if not request.user.can_access(domain):\\n raise PermDeniedException\",\n \" instances = {\\\"general\\\": domain}\\n results = signals.get_domain_form_instances.send(\\n sender=\\\"editdomain\\\", user=request.user, domain=domain)\\n for result in results:\\n instances.update(result[1])\\n return DomainForm(request, instances=instances).process()\",\n \"\\n@login_required\\n@permission_required(\\\"admin.delete_domain\\\")\",\n \"\",\n \"def deldomain(request, dom_id):\\n keepdir = request.POST.get(\\\"keepdir\\\", \\\"false\\\") == \\\"true\\\"\\n try:\\n mb = Mailbox.objects.get(user__id=request.user.id)\\n except Mailbox.DoesNotExist:\\n mb = None\",\n \" dom = Domain.objects.get(pk=dom_id)\\n if not request.user.can_access(dom):\\n raise PermDeniedException\\n if mb and mb.domain == dom:\\n raise PermDeniedException(_(\\\"You can't delete your own domain\\\"))\\n dom.delete(request.user, keepdir)\",\n \" msg = ungettext(\\\"Domain deleted\\\", \\\"Domains deleted\\\", 1)\\n return render_to_json_response(msg)\",\n \"\\nclass DomainDetailView(\\n auth_mixins.PermissionRequiredMixin, generic.DetailView):\\n \\\"\\\"\\\"DetailView for Domain.\\\"\\\"\\\"\",\n \" model = Domain\\n permission_required = \\\"admin.view_domain\\\"\",\n \" def get_queryset(self):\\n \\\"\\\"\\\"Add some prefetching.\\\"\\\"\\\"\\n return (\\n Domain.objects.get_for_admin(self.request.user)\\n .prefetch_related(\\\"domainalias_set\\\", \\\"mailbox_set\\\", \\\"alias_set\\\")\\n )\",\n \" def get_context_data(self, **kwargs):\\n \\\"\\\"\\\"Include extra widgets.\\\"\\\"\\\"\\n context = super(DomainDetailView, self).get_context_data(**kwargs)\\n result = signals.extra_domain_dashboard_widgets.send(\\n self.__class__, user=self.request.user, domain=self.object)\\n parameters = self.request.localconfig.parameters\\n context.update({\\n \\\"templates\\\": {\\\"left\\\": [], \\\"right\\\": []},\\n \\\"enable_mx_checks\\\": parameters.get_value(\\\"enable_mx_checks\\\"),\\n \\\"enable_spf_checks\\\": parameters.get_value(\\\"enable_spf_checks\\\"),\\n \\\"enable_dkim_checks\\\": parameters.get_value(\\\"enable_dkim_checks\\\"),\\n \\\"enable_dmarc_checks\\\": parameters.get_value(\\\"enable_dmarc_checks\\\"),\\n \\\"enable_autoconfig_checks\\\": (\\n parameters.get_value(\\\"enable_autoconfig_checks\\\")),\\n \\\"enable_dnsbl_checks\\\": parameters.get_value(\\\"enable_dnsbl_checks\\\"),\\n })\\n for _receiver, widgets in result:\\n for widget in widgets:\\n context[\\\"templates\\\"][widget[\\\"column\\\"]].append(\\n widget[\\\"template\\\"])\\n # FIXME: can raise conflicts...\\n context.update(widget[\\\"context\\\"])\",\n \" return context\",\n \"\\nclass DomainAlarmsView(\\n auth_mixins.PermissionRequiredMixin, generic.DetailView):\\n \\\"\\\"\\\"A view to list domain alarms.\\\"\\\"\\\"\",\n \" model = Domain\\n permission_required = \\\"admin.view_domain\\\"\\n template_name = \\\"admin/domain_alarms.html\\\"\",\n \" def get_queryset(self):\\n \\\"\\\"\\\"Add some prefetching.\\\"\\\"\\\"\\n return (\\n Domain.objects.get_for_admin(self.request.user)\\n .prefetch_related(\\\"alarms\\\")\\n )\"\n]","isConversational":false},"labels":{"kind":"list like","value":[1,1,1,1,0,1,1,1,1,1,1,1,1,1,1,1,1,1,0,1,1,1,1,1,1,1,1,1,1,1],"string":"[\n 1,\n 1,\n 1,\n 1,\n 0,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 0,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1\n]","isConversational":false},"source":{"kind":"string","value":"PreciseBugs"},"other_info":{"kind":"string","value":"{\"buggy_code_end_loc\": [232], \"buggy_code_start_loc\": [18], \"filenames\": [\"modoboa/admin/views/domain.py\"], \"fixing_code_end_loc\": [235], \"fixing_code_start_loc\": [19], \"message\": \"Cross-Site Request Forgery (CSRF) in GitHub repository modoboa/modoboa prior to 2.0.4.\", \"other\": {\"cve\": {\"cisaActionDue\": null, \"cisaExploitAdd\": null, \"cisaRequiredAction\": null, \"cisaVulnerabilityName\": null, \"configurations\": [{\"nodes\": [{\"cpeMatch\": [{\"criteria\": \"cpe:2.3:a:modoboa:modoboa:*:*:*:*:*:modoboa:*:*\", \"matchCriteriaId\": \"4781FBB6-EAE1-4AF9-A51F-5BEE3E8DFA16\", \"versionEndExcluding\": \"2.0.4\", \"versionEndIncluding\": null, \"versionStartExcluding\": null, \"versionStartIncluding\": null, \"vulnerable\": true}], \"negate\": false, \"operator\": \"OR\"}], \"operator\": null}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"Cross-Site Request Forgery (CSRF) in GitHub repository modoboa/modoboa prior to 2.0.4.\"}], \"evaluatorComment\": null, \"id\": \"CVE-2023-0398\", \"lastModified\": \"2023-01-27T14:43:18.163\", \"metrics\": {\"cvssMetricV2\": null, \"cvssMetricV30\": [{\"cvssData\": {\"attackComplexity\": \"LOW\", \"attackVector\": \"NETWORK\", \"availabilityImpact\": \"LOW\", \"baseScore\": 5.4, \"baseSeverity\": \"MEDIUM\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"LOW\", \"privilegesRequired\": \"NONE\", \"scope\": \"UNCHANGED\", \"userInteraction\": \"REQUIRED\", \"vectorString\": \"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L\", \"version\": \"3.0\"}, \"exploitabilityScore\": 2.8, \"impactScore\": 2.5, \"source\": \"security@huntr.dev\", \"type\": \"Secondary\"}], \"cvssMetricV31\": [{\"cvssData\": {\"attackComplexity\": \"LOW\", \"attackVector\": \"NETWORK\", \"availabilityImpact\": \"NONE\", \"baseScore\": 6.5, \"baseSeverity\": \"MEDIUM\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"scope\": \"UNCHANGED\", \"userInteraction\": \"REQUIRED\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N\", \"version\": \"3.1\"}, \"exploitabilityScore\": 2.8, \"impactScore\": 3.6, \"source\": \"nvd@nist.gov\", \"type\": \"Primary\"}]}, \"published\": \"2023-01-19T09:15:09.367\", \"references\": [{\"source\": \"security@huntr.dev\", \"tags\": [\"Patch\", \"Third Party Advisory\"], \"url\": \"https://github.com/modoboa/modoboa/commit/8e14ac93669df4f35fcdebd55dc9d2f0fed3ed48\"}, {\"source\": \"security@huntr.dev\", \"tags\": [\"Exploit\", \"Issue Tracking\", \"Patch\", \"Third Party Advisory\"], \"url\": \"https://huntr.dev/bounties/0a852351-00ed-44d2-a650-9055b7beed58\"}], \"sourceIdentifier\": \"security@huntr.dev\", \"vendorComments\": null, \"vulnStatus\": \"Analyzed\", \"weaknesses\": [{\"description\": [{\"lang\": \"en\", \"value\": \"CWE-352\"}], \"source\": \"security@huntr.dev\", \"type\": \"Primary\"}]}, \"github_commit_url\": \"https://github.com/modoboa/modoboa/commit/8e14ac93669df4f35fcdebd55dc9d2f0fed3ed48\"}, \"type\": \"CWE-352\"}"},"index":{"kind":"number","value":861,"string":"861"}}},{"rowIdx":5097,"cells":{"prompt":{"kind":"string","value":"Determine whether the {function_name} code is vulnerable or not."},"completions":{"kind":"list like","value":["\"\"\"Domain related views.\"\"\"","from functools import reduce","from reversion import revisions as reversion","from django.contrib.auth import mixins as auth_mixins\nfrom django.contrib.auth.decorators import (\n login_required, permission_required, user_passes_test\n)\nfrom django.db.models import Q, Sum\nfrom django.http import HttpResponseRedirect\nfrom django.shortcuts import render\nfrom django.template.loader import render_to_string\nfrom django.urls import reverse\nfrom django.utils.translation import ugettext as _, ungettext\nfrom django.views import generic\nfrom django.views.decorators.csrf import ensure_csrf_cookie","from django.views.decorators.http import require_http_methods","\nfrom modoboa.core import signals as core_signals\nfrom modoboa.lib.exceptions import PermDeniedException\nfrom modoboa.lib.listing import get_listing_page, get_sort_order\nfrom modoboa.lib.web_utils import render_to_json_response\nfrom modoboa.maillog import models as ml_models","from .. import signals\nfrom ..forms import DomainForm, DomainWizard\nfrom ..lib import get_domains\nfrom ..models import Domain, Mailbox","\n@login_required\ndef index(request):\n return HttpResponseRedirect(reverse(\"admin:domain_list\"))","\n@login_required\n@user_passes_test(\n lambda u: u.has_perm(\"admin.view_domain\") or\n u.has_perm(\"admin.view_mailbox\")\n)\ndef _domains(request):\n sort_order, sort_dir = get_sort_order(request.GET, \"name\")\n extra_filters = signals.extra_domain_filters.send(sender=\"_domains\")\n if extra_filters:\n extra_filters = reduce(\n lambda a, b: a + b, [result[1] for result in extra_filters])\n filters = {\n flt: request.GET.get(flt, None)\n for flt in [\"domfilter\", \"searchquery\"] + extra_filters\n }\n request.session[\"domains_filters\"] = filters\n domainlist = get_domains(request.user, **filters)\n if sort_order == \"name\":\n domainlist = sorted(\n domainlist,\n key=lambda d: getattr(d, sort_order), reverse=sort_dir == \"-\"\n )\n else:\n domainlist = sorted(domainlist, key=lambda d: d.tags[0][\"name\"],\n reverse=sort_dir == \"-\")\n context = {\n \"handle_mailboxes\": request.localconfig.parameters.get_value(\n \"handle_mailboxes\", raise_exception=False),\n \"auto_account_removal\": request.localconfig.parameters.get_value(\n \"auto_account_removal\"),\n }\n page = get_listing_page(domainlist, request.GET.get(\"page\", 1))\n parameters = request.localconfig.parameters\n dns_checks = {\n \"enable_mx_checks\": parameters.get_value(\"enable_mx_checks\"),\n \"enable_spf_checks\": parameters.get_value(\"enable_spf_checks\"),\n \"enable_dkim_checks\": parameters.get_value(\"enable_dkim_checks\"),\n \"enable_dmarc_checks\": parameters.get_value(\"enable_dmarc_checks\"),\n \"enable_autoconfig_checks\": (\n parameters.get_value(\"enable_autoconfig_checks\")),\n \"enable_dnsbl_checks\": parameters.get_value(\"enable_dnsbl_checks\")\n }\n context[\"headers\"] = render_to_string(\n \"admin/domain_headers.html\", dns_checks, request\n )\n if page is None:\n context[\"length\"] = 0\n else:\n tpl_context = {\"domains\": page.object_list}\n tpl_context.update(dns_checks)\n context[\"rows\"] = render_to_string(\n \"admin/domains_table.html\", tpl_context, request\n )\n context[\"pages\"] = [page.number]\n return render_to_json_response(context)","\n@login_required\n@ensure_csrf_cookie\ndef domains(request, tplname=\"admin/domains.html\"):\n if not request.user.has_perm(\"admin.view_domain\"):\n if request.user.has_perm(\"admin.view_mailbox\"):\n return HttpResponseRedirect(\n reverse(\"admin:identity_list\")\n )\n return HttpResponseRedirect(reverse(\"core:user_index\"))\n parameters = request.localconfig.parameters\n return render(request, tplname, {\n \"selection\": \"domains\",\n \"enable_mx_checks\": parameters.get_value(\"enable_mx_checks\"),\n \"enable_spf_checks\": parameters.get_value(\"enable_spf_checks\"),\n \"enable_dkim_checks\": parameters.get_value(\"enable_dkim_checks\"),\n \"enable_dmarc_checks\": parameters.get_value(\"enable_dmarc_checks\"),\n \"enable_autoconfig_checks\": (\n parameters.get_value(\"enable_autoconfig_checks\")),\n \"enable_dnsbl_checks\": parameters.get_value(\"enable_dnsbl_checks\")\n })","\n@login_required\n@user_passes_test(\n lambda u: u.has_perm(\"admin.view_domain\") or\n u.has_perm(\"admin.view_mailbox\") or\n u.has_perm(\"admin.add_domain\")\n)\ndef get_next_page(request):\n \"\"\"Return the next page of the domain or quota list.\"\"\"\n objtype = request.GET.get(\"objtype\", \"domain\")\n if objtype == \"domain\":\n return _domains(request)\n if objtype == \"quota\":\n return list_quotas(request)\n return list_logs(request)","\n@login_required\n@permission_required(\"core.add_user\")\ndef domains_list(request):\n doms = [dom.name for dom in Domain.objects.get_for_admin(request.user)]\n return render_to_json_response(doms)","\n@login_required\n@permission_required(\"admin.view_domain\")\ndef list_quotas(request):\n sort_order, sort_dir = get_sort_order(request.GET, \"name\")\n domains = Domain.objects.get_for_admin(request.user)\n domains = domains.exclude(quota=0)\n if sort_order in [\"name\", \"quota\"]:\n domains = domains.order_by(\"{}{}\".format(sort_dir, sort_order))\n elif sort_order == \"allocated_quota\":\n domains = (\n domains.annotate(allocated_quota=Sum(\"mailbox__quota\"))\n .order_by(\"{}{}\".format(sort_dir, sort_order))\n )\n page = get_listing_page(domains, request.GET.get(\"page\", 1))\n context = {\n \"headers\": render_to_string(\n \"admin/domains_quota_headers.html\", {}, request\n )\n }\n if page is None:\n context[\"length\"] = 0\n else:\n context[\"rows\"] = render_to_string(\n \"admin/domains_quotas.html\", {\"domains\": page}, request\n )\n context[\"pages\"] = [page.number]\n return render_to_json_response(context)","\n@login_required\n@permission_required(\"admin.view_domain\")\ndef list_logs(request):\n \"\"\"List all Maillog entries.\"\"\"\n sort_order, sort_dir = get_sort_order(request.GET, \"date\")\n search = request.GET.get(\"searchquery\")\n if not request.user.is_superuser:\n domains = Domain.objects.get_for_admin(request.user)\n logs = ml_models.Maillog.objects.filter(\n Q(from_domain__in=domains) | Q(to_domain__in=domains)\n )\n else:\n logs = ml_models.Maillog.objects.all()\n logs = logs.order_by(\"{}{}\".format(sort_dir, sort_order))\n if search:\n logs = logs.filter(\n Q(sender__icontains=search) |\n Q(rcpt__icontains=search) |\n Q(queue_id__icontains=search) |\n Q(status__icontains=search)\n )\n page = get_listing_page(logs, request.GET.get(\"page\", 1))\n context = {\n \"headers\": render_to_string(\n \"admin/domains_log_headers.html\", {}, request\n )\n }\n if page is None:\n context[\"length\"] = 0\n else:\n context[\"rows\"] = render_to_string(\n \"admin/domains_logs.html\", {\"logs\": page}, request\n )\n context[\"pages\"] = [page.number]\n return render_to_json_response(context)","\n@login_required\n@permission_required(\"admin.add_domain\")\n@reversion.create_revision()\ndef newdomain(request):\n core_signals.can_create_object.send(\n \"newdomain\", context=request.user, klass=Domain)\n return DomainWizard(request).process()","\n@login_required\n@permission_required(\"admin.view_domain\")\n@reversion.create_revision()\ndef editdomain(request, dom_id):\n \"\"\"Edit domain view.\"\"\"\n domain = Domain.objects.get(pk=dom_id)\n if not request.user.can_access(domain):\n raise PermDeniedException"," instances = {\"general\": domain}\n results = signals.get_domain_form_instances.send(\n sender=\"editdomain\", user=request.user, domain=domain)\n for result in results:\n instances.update(result[1])\n return DomainForm(request, instances=instances).process()","\n@login_required\n@permission_required(\"admin.delete_domain\")","@require_http_methods([\"POST\"])","def deldomain(request, dom_id):\n keepdir = request.POST.get(\"keepdir\", \"false\") == \"true\"\n try:\n mb = Mailbox.objects.get(user__id=request.user.id)\n except Mailbox.DoesNotExist:\n mb = None"," dom = Domain.objects.get(pk=dom_id)\n if not request.user.can_access(dom):\n raise PermDeniedException\n if mb and mb.domain == dom:\n raise PermDeniedException(_(\"You can't delete your own domain\"))\n dom.delete(request.user, keepdir)"," msg = ungettext(\"Domain deleted\", \"Domains deleted\", 1)\n return render_to_json_response(msg)","\nclass DomainDetailView(\n auth_mixins.PermissionRequiredMixin, generic.DetailView):\n \"\"\"DetailView for Domain.\"\"\""," model = Domain\n permission_required = \"admin.view_domain\""," def get_queryset(self):\n \"\"\"Add some prefetching.\"\"\"\n return (\n Domain.objects.get_for_admin(self.request.user)\n .prefetch_related(\"domainalias_set\", \"mailbox_set\", \"alias_set\")\n )"," def get_context_data(self, **kwargs):\n \"\"\"Include extra widgets.\"\"\"\n context = super(DomainDetailView, self).get_context_data(**kwargs)\n result = signals.extra_domain_dashboard_widgets.send(\n self.__class__, user=self.request.user, domain=self.object)\n parameters = self.request.localconfig.parameters\n context.update({\n \"templates\": {\"left\": [], \"right\": []},\n \"enable_mx_checks\": parameters.get_value(\"enable_mx_checks\"),\n \"enable_spf_checks\": parameters.get_value(\"enable_spf_checks\"),\n \"enable_dkim_checks\": parameters.get_value(\"enable_dkim_checks\"),\n \"enable_dmarc_checks\": parameters.get_value(\"enable_dmarc_checks\"),\n \"enable_autoconfig_checks\": (\n parameters.get_value(\"enable_autoconfig_checks\")),\n \"enable_dnsbl_checks\": parameters.get_value(\"enable_dnsbl_checks\"),\n })\n for _receiver, widgets in result:\n for widget in widgets:\n context[\"templates\"][widget[\"column\"]].append(\n widget[\"template\"])\n # FIXME: can raise conflicts...\n context.update(widget[\"context\"])"," return context","\nclass DomainAlarmsView(\n auth_mixins.PermissionRequiredMixin, generic.DetailView):\n \"\"\"A view to list domain alarms.\"\"\""," model = Domain\n permission_required = \"admin.view_domain\"\n template_name = \"admin/domain_alarms.html\""," def get_queryset(self):\n \"\"\"Add some prefetching.\"\"\"\n return (\n Domain.objects.get_for_admin(self.request.user)\n .prefetch_related(\"alarms\")\n )"],"string":"[\n \"\\\"\\\"\\\"Domain related views.\\\"\\\"\\\"\",\n \"from functools import reduce\",\n \"from reversion import revisions as reversion\",\n \"from django.contrib.auth import mixins as auth_mixins\\nfrom django.contrib.auth.decorators import (\\n login_required, permission_required, user_passes_test\\n)\\nfrom django.db.models import Q, Sum\\nfrom django.http import HttpResponseRedirect\\nfrom django.shortcuts import render\\nfrom django.template.loader import render_to_string\\nfrom django.urls import reverse\\nfrom django.utils.translation import ugettext as _, ungettext\\nfrom django.views import generic\\nfrom django.views.decorators.csrf import ensure_csrf_cookie\",\n \"from django.views.decorators.http import require_http_methods\",\n \"\\nfrom modoboa.core import signals as core_signals\\nfrom modoboa.lib.exceptions import PermDeniedException\\nfrom modoboa.lib.listing import get_listing_page, get_sort_order\\nfrom modoboa.lib.web_utils import render_to_json_response\\nfrom modoboa.maillog import models as ml_models\",\n \"from .. import signals\\nfrom ..forms import DomainForm, DomainWizard\\nfrom ..lib import get_domains\\nfrom ..models import Domain, Mailbox\",\n \"\\n@login_required\\ndef index(request):\\n return HttpResponseRedirect(reverse(\\\"admin:domain_list\\\"))\",\n \"\\n@login_required\\n@user_passes_test(\\n lambda u: u.has_perm(\\\"admin.view_domain\\\") or\\n u.has_perm(\\\"admin.view_mailbox\\\")\\n)\\ndef _domains(request):\\n sort_order, sort_dir = get_sort_order(request.GET, \\\"name\\\")\\n extra_filters = signals.extra_domain_filters.send(sender=\\\"_domains\\\")\\n if extra_filters:\\n extra_filters = reduce(\\n lambda a, b: a + b, [result[1] for result in extra_filters])\\n filters = {\\n flt: request.GET.get(flt, None)\\n for flt in [\\\"domfilter\\\", \\\"searchquery\\\"] + extra_filters\\n }\\n request.session[\\\"domains_filters\\\"] = filters\\n domainlist = get_domains(request.user, **filters)\\n if sort_order == \\\"name\\\":\\n domainlist = sorted(\\n domainlist,\\n key=lambda d: getattr(d, sort_order), reverse=sort_dir == \\\"-\\\"\\n )\\n else:\\n domainlist = sorted(domainlist, key=lambda d: d.tags[0][\\\"name\\\"],\\n reverse=sort_dir == \\\"-\\\")\\n context = {\\n \\\"handle_mailboxes\\\": request.localconfig.parameters.get_value(\\n \\\"handle_mailboxes\\\", raise_exception=False),\\n \\\"auto_account_removal\\\": request.localconfig.parameters.get_value(\\n \\\"auto_account_removal\\\"),\\n }\\n page = get_listing_page(domainlist, request.GET.get(\\\"page\\\", 1))\\n parameters = request.localconfig.parameters\\n dns_checks = {\\n \\\"enable_mx_checks\\\": parameters.get_value(\\\"enable_mx_checks\\\"),\\n \\\"enable_spf_checks\\\": parameters.get_value(\\\"enable_spf_checks\\\"),\\n \\\"enable_dkim_checks\\\": parameters.get_value(\\\"enable_dkim_checks\\\"),\\n \\\"enable_dmarc_checks\\\": parameters.get_value(\\\"enable_dmarc_checks\\\"),\\n \\\"enable_autoconfig_checks\\\": (\\n parameters.get_value(\\\"enable_autoconfig_checks\\\")),\\n \\\"enable_dnsbl_checks\\\": parameters.get_value(\\\"enable_dnsbl_checks\\\")\\n }\\n context[\\\"headers\\\"] = render_to_string(\\n \\\"admin/domain_headers.html\\\", dns_checks, request\\n )\\n if page is None:\\n context[\\\"length\\\"] = 0\\n else:\\n tpl_context = {\\\"domains\\\": page.object_list}\\n tpl_context.update(dns_checks)\\n context[\\\"rows\\\"] = render_to_string(\\n \\\"admin/domains_table.html\\\", tpl_context, request\\n )\\n context[\\\"pages\\\"] = [page.number]\\n return render_to_json_response(context)\",\n \"\\n@login_required\\n@ensure_csrf_cookie\\ndef domains(request, tplname=\\\"admin/domains.html\\\"):\\n if not request.user.has_perm(\\\"admin.view_domain\\\"):\\n if request.user.has_perm(\\\"admin.view_mailbox\\\"):\\n return HttpResponseRedirect(\\n reverse(\\\"admin:identity_list\\\")\\n )\\n return HttpResponseRedirect(reverse(\\\"core:user_index\\\"))\\n parameters = request.localconfig.parameters\\n return render(request, tplname, {\\n \\\"selection\\\": \\\"domains\\\",\\n \\\"enable_mx_checks\\\": parameters.get_value(\\\"enable_mx_checks\\\"),\\n \\\"enable_spf_checks\\\": parameters.get_value(\\\"enable_spf_checks\\\"),\\n \\\"enable_dkim_checks\\\": parameters.get_value(\\\"enable_dkim_checks\\\"),\\n \\\"enable_dmarc_checks\\\": parameters.get_value(\\\"enable_dmarc_checks\\\"),\\n \\\"enable_autoconfig_checks\\\": (\\n parameters.get_value(\\\"enable_autoconfig_checks\\\")),\\n \\\"enable_dnsbl_checks\\\": parameters.get_value(\\\"enable_dnsbl_checks\\\")\\n })\",\n \"\\n@login_required\\n@user_passes_test(\\n lambda u: u.has_perm(\\\"admin.view_domain\\\") or\\n u.has_perm(\\\"admin.view_mailbox\\\") or\\n u.has_perm(\\\"admin.add_domain\\\")\\n)\\ndef get_next_page(request):\\n \\\"\\\"\\\"Return the next page of the domain or quota list.\\\"\\\"\\\"\\n objtype = request.GET.get(\\\"objtype\\\", \\\"domain\\\")\\n if objtype == \\\"domain\\\":\\n return _domains(request)\\n if objtype == \\\"quota\\\":\\n return list_quotas(request)\\n return list_logs(request)\",\n \"\\n@login_required\\n@permission_required(\\\"core.add_user\\\")\\ndef domains_list(request):\\n doms = [dom.name for dom in Domain.objects.get_for_admin(request.user)]\\n return render_to_json_response(doms)\",\n \"\\n@login_required\\n@permission_required(\\\"admin.view_domain\\\")\\ndef list_quotas(request):\\n sort_order, sort_dir = get_sort_order(request.GET, \\\"name\\\")\\n domains = Domain.objects.get_for_admin(request.user)\\n domains = domains.exclude(quota=0)\\n if sort_order in [\\\"name\\\", \\\"quota\\\"]:\\n domains = domains.order_by(\\\"{}{}\\\".format(sort_dir, sort_order))\\n elif sort_order == \\\"allocated_quota\\\":\\n domains = (\\n domains.annotate(allocated_quota=Sum(\\\"mailbox__quota\\\"))\\n .order_by(\\\"{}{}\\\".format(sort_dir, sort_order))\\n )\\n page = get_listing_page(domains, request.GET.get(\\\"page\\\", 1))\\n context = {\\n \\\"headers\\\": render_to_string(\\n \\\"admin/domains_quota_headers.html\\\", {}, request\\n )\\n }\\n if page is None:\\n context[\\\"length\\\"] = 0\\n else:\\n context[\\\"rows\\\"] = render_to_string(\\n \\\"admin/domains_quotas.html\\\", {\\\"domains\\\": page}, request\\n )\\n context[\\\"pages\\\"] = [page.number]\\n return render_to_json_response(context)\",\n \"\\n@login_required\\n@permission_required(\\\"admin.view_domain\\\")\\ndef list_logs(request):\\n \\\"\\\"\\\"List all Maillog entries.\\\"\\\"\\\"\\n sort_order, sort_dir = get_sort_order(request.GET, \\\"date\\\")\\n search = request.GET.get(\\\"searchquery\\\")\\n if not request.user.is_superuser:\\n domains = Domain.objects.get_for_admin(request.user)\\n logs = ml_models.Maillog.objects.filter(\\n Q(from_domain__in=domains) | Q(to_domain__in=domains)\\n )\\n else:\\n logs = ml_models.Maillog.objects.all()\\n logs = logs.order_by(\\\"{}{}\\\".format(sort_dir, sort_order))\\n if search:\\n logs = logs.filter(\\n Q(sender__icontains=search) |\\n Q(rcpt__icontains=search) |\\n Q(queue_id__icontains=search) |\\n Q(status__icontains=search)\\n )\\n page = get_listing_page(logs, request.GET.get(\\\"page\\\", 1))\\n context = {\\n \\\"headers\\\": render_to_string(\\n \\\"admin/domains_log_headers.html\\\", {}, request\\n )\\n }\\n if page is None:\\n context[\\\"length\\\"] = 0\\n else:\\n context[\\\"rows\\\"] = render_to_string(\\n \\\"admin/domains_logs.html\\\", {\\\"logs\\\": page}, request\\n )\\n context[\\\"pages\\\"] = [page.number]\\n return render_to_json_response(context)\",\n \"\\n@login_required\\n@permission_required(\\\"admin.add_domain\\\")\\n@reversion.create_revision()\\ndef newdomain(request):\\n core_signals.can_create_object.send(\\n \\\"newdomain\\\", context=request.user, klass=Domain)\\n return DomainWizard(request).process()\",\n \"\\n@login_required\\n@permission_required(\\\"admin.view_domain\\\")\\n@reversion.create_revision()\\ndef editdomain(request, dom_id):\\n \\\"\\\"\\\"Edit domain view.\\\"\\\"\\\"\\n domain = Domain.objects.get(pk=dom_id)\\n if not request.user.can_access(domain):\\n raise PermDeniedException\",\n \" instances = {\\\"general\\\": domain}\\n results = signals.get_domain_form_instances.send(\\n sender=\\\"editdomain\\\", user=request.user, domain=domain)\\n for result in results:\\n instances.update(result[1])\\n return DomainForm(request, instances=instances).process()\",\n \"\\n@login_required\\n@permission_required(\\\"admin.delete_domain\\\")\",\n \"@require_http_methods([\\\"POST\\\"])\",\n \"def deldomain(request, dom_id):\\n keepdir = request.POST.get(\\\"keepdir\\\", \\\"false\\\") == \\\"true\\\"\\n try:\\n mb = Mailbox.objects.get(user__id=request.user.id)\\n except Mailbox.DoesNotExist:\\n mb = None\",\n \" dom = Domain.objects.get(pk=dom_id)\\n if not request.user.can_access(dom):\\n raise PermDeniedException\\n if mb and mb.domain == dom:\\n raise PermDeniedException(_(\\\"You can't delete your own domain\\\"))\\n dom.delete(request.user, keepdir)\",\n \" msg = ungettext(\\\"Domain deleted\\\", \\\"Domains deleted\\\", 1)\\n return render_to_json_response(msg)\",\n \"\\nclass DomainDetailView(\\n auth_mixins.PermissionRequiredMixin, generic.DetailView):\\n \\\"\\\"\\\"DetailView for Domain.\\\"\\\"\\\"\",\n \" model = Domain\\n permission_required = \\\"admin.view_domain\\\"\",\n \" def get_queryset(self):\\n \\\"\\\"\\\"Add some prefetching.\\\"\\\"\\\"\\n return (\\n Domain.objects.get_for_admin(self.request.user)\\n .prefetch_related(\\\"domainalias_set\\\", \\\"mailbox_set\\\", \\\"alias_set\\\")\\n )\",\n \" def get_context_data(self, **kwargs):\\n \\\"\\\"\\\"Include extra widgets.\\\"\\\"\\\"\\n context = super(DomainDetailView, self).get_context_data(**kwargs)\\n result = signals.extra_domain_dashboard_widgets.send(\\n self.__class__, user=self.request.user, domain=self.object)\\n parameters = self.request.localconfig.parameters\\n context.update({\\n \\\"templates\\\": {\\\"left\\\": [], \\\"right\\\": []},\\n \\\"enable_mx_checks\\\": parameters.get_value(\\\"enable_mx_checks\\\"),\\n \\\"enable_spf_checks\\\": parameters.get_value(\\\"enable_spf_checks\\\"),\\n \\\"enable_dkim_checks\\\": parameters.get_value(\\\"enable_dkim_checks\\\"),\\n \\\"enable_dmarc_checks\\\": parameters.get_value(\\\"enable_dmarc_checks\\\"),\\n \\\"enable_autoconfig_checks\\\": (\\n parameters.get_value(\\\"enable_autoconfig_checks\\\")),\\n \\\"enable_dnsbl_checks\\\": parameters.get_value(\\\"enable_dnsbl_checks\\\"),\\n })\\n for _receiver, widgets in result:\\n for widget in widgets:\\n context[\\\"templates\\\"][widget[\\\"column\\\"]].append(\\n widget[\\\"template\\\"])\\n # FIXME: can raise conflicts...\\n context.update(widget[\\\"context\\\"])\",\n \" return context\",\n \"\\nclass DomainAlarmsView(\\n auth_mixins.PermissionRequiredMixin, generic.DetailView):\\n \\\"\\\"\\\"A view to list domain alarms.\\\"\\\"\\\"\",\n \" model = Domain\\n permission_required = \\\"admin.view_domain\\\"\\n template_name = \\\"admin/domain_alarms.html\\\"\",\n \" def get_queryset(self):\\n \\\"\\\"\\\"Add some prefetching.\\\"\\\"\\\"\\n return (\\n Domain.objects.get_for_admin(self.request.user)\\n .prefetch_related(\\\"alarms\\\")\\n )\"\n]","isConversational":false},"labels":{"kind":"list like","value":[1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1],"string":"[\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1\n]","isConversational":false},"source":{"kind":"string","value":"PreciseBugs"},"other_info":{"kind":"string","value":"{\"buggy_code_end_loc\": [232], \"buggy_code_start_loc\": [18], \"filenames\": [\"modoboa/admin/views/domain.py\"], \"fixing_code_end_loc\": [235], \"fixing_code_start_loc\": [19], \"message\": \"Cross-Site Request Forgery (CSRF) in GitHub repository modoboa/modoboa prior to 2.0.4.\", \"other\": {\"cve\": {\"cisaActionDue\": null, \"cisaExploitAdd\": null, \"cisaRequiredAction\": null, \"cisaVulnerabilityName\": null, \"configurations\": [{\"nodes\": [{\"cpeMatch\": [{\"criteria\": \"cpe:2.3:a:modoboa:modoboa:*:*:*:*:*:modoboa:*:*\", \"matchCriteriaId\": \"4781FBB6-EAE1-4AF9-A51F-5BEE3E8DFA16\", \"versionEndExcluding\": \"2.0.4\", \"versionEndIncluding\": null, \"versionStartExcluding\": null, \"versionStartIncluding\": null, \"vulnerable\": true}], \"negate\": false, \"operator\": \"OR\"}], \"operator\": null}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"Cross-Site Request Forgery (CSRF) in GitHub repository modoboa/modoboa prior to 2.0.4.\"}], \"evaluatorComment\": null, \"id\": \"CVE-2023-0398\", \"lastModified\": \"2023-01-27T14:43:18.163\", \"metrics\": {\"cvssMetricV2\": null, \"cvssMetricV30\": [{\"cvssData\": {\"attackComplexity\": \"LOW\", \"attackVector\": \"NETWORK\", \"availabilityImpact\": \"LOW\", \"baseScore\": 5.4, \"baseSeverity\": \"MEDIUM\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"LOW\", \"privilegesRequired\": \"NONE\", \"scope\": \"UNCHANGED\", \"userInteraction\": \"REQUIRED\", \"vectorString\": \"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L\", \"version\": \"3.0\"}, \"exploitabilityScore\": 2.8, \"impactScore\": 2.5, \"source\": \"security@huntr.dev\", \"type\": \"Secondary\"}], \"cvssMetricV31\": [{\"cvssData\": {\"attackComplexity\": \"LOW\", \"attackVector\": \"NETWORK\", \"availabilityImpact\": \"NONE\", \"baseScore\": 6.5, \"baseSeverity\": \"MEDIUM\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"scope\": \"UNCHANGED\", \"userInteraction\": \"REQUIRED\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N\", \"version\": \"3.1\"}, \"exploitabilityScore\": 2.8, \"impactScore\": 3.6, \"source\": \"nvd@nist.gov\", \"type\": \"Primary\"}]}, \"published\": \"2023-01-19T09:15:09.367\", \"references\": [{\"source\": \"security@huntr.dev\", \"tags\": [\"Patch\", \"Third Party Advisory\"], \"url\": \"https://github.com/modoboa/modoboa/commit/8e14ac93669df4f35fcdebd55dc9d2f0fed3ed48\"}, {\"source\": \"security@huntr.dev\", \"tags\": [\"Exploit\", \"Issue Tracking\", \"Patch\", \"Third Party Advisory\"], \"url\": \"https://huntr.dev/bounties/0a852351-00ed-44d2-a650-9055b7beed58\"}], \"sourceIdentifier\": \"security@huntr.dev\", \"vendorComments\": null, \"vulnStatus\": \"Analyzed\", \"weaknesses\": [{\"description\": [{\"lang\": \"en\", \"value\": \"CWE-352\"}], \"source\": \"security@huntr.dev\", \"type\": \"Primary\"}]}, \"github_commit_url\": \"https://github.com/modoboa/modoboa/commit/8e14ac93669df4f35fcdebd55dc9d2f0fed3ed48\"}, \"type\": \"CWE-352\"}"},"index":{"kind":"number","value":861,"string":"861"}}},{"rowIdx":5098,"cells":{"prompt":{"kind":"string","value":"Determine whether the {function_name} code is vulnerable or not."},"completions":{"kind":"list like","value":["","<p align=\"center\">\n<strong>\n<a href=\"https://www.rdiffweb.org\">website</a>\n• <a href=\"https://www.ikus-soft.com/archive/rdiffweb/doc/latest/html/\">docs</a>\n• <a href=\"https://groups.google.com/d/forum/rdiffweb\">community</a>\n• <a href=\"https://rdiffweb-demo.ikus-soft.com/\">demo</a>\n</strong>\n</p>","<p align=\"center\">\n<a href=\"LICENSE\"><img alt=\"License\" src=\"https://img.shields.io/github/license/ikus060/rdiffweb\"></a>\n<a href=\"https://gitlab.com/ikus-soft/rdiffweb/pipelines\"><img alt=\"Build\" src=\"https://gitlab.com/ikus-soft/rdiffweb/badges/master/pipeline.svg\"></a>\n<a href=\"https://sonar.ikus-soft.com/dashboard?id=rdiffweb\"><img alt=\"Quality Gate Minarca Client\" src=\"https://sonar.ikus-soft.com/api/project_badges/measure?project=rdiffweb&metric=alert_status\"></a>\n<a href=\"https://sonar.ikus-soft.com/dashboard?id=rdiffweb\"><img alt=\"Coverage\" src=\"https://sonar.ikus-soft.com/api/project_badges/measure?project=rdiffweb&metric=coverage\"></a>\n</p>","<h1 align=\"center\">\nWelcome to Rdiffweb\n</h1>","Rdiffweb is a web application that allows you to view repositories generated\nby [rdiff-backup](https://rdiff-backup.net/). The purpose of this\napplication is to ease the management of backups and quickly restore your data\nwith a rich and powerful web interface.","Rdiffweb is written in Python and is released as open source project under the \nGNU GENERAL PUBLIC LICENSE (GPL). All source code and documentation are\nCopyright Rdiffweb contributors.","Rdiffweb is actively developed by [IKUS Soft](https://www.ikus-soft.com/)\nsince November 2014.","The Rdiffweb source code is hosted on [Gitlab](https://gitlab.com/ikus-soft/rdiffweb)\nand mirrored to [Github](https://github.com/ikus060/rdiffweb).","The Rdiffweb website is https://rdiffweb.org/.","## Features","With its rich web interface Rdiffweb provide a notable list of features:"," * Browse your backup\n * Restore single file or multiple files as an archived\n * Users authentication via local database and LDAP\n * Users authorization\n * Email notification when backup is not successful\n * Configurable repository encoding\n * Configurable retention period\n * Backup statistics visualization using graphs\n * SSH Keys management\n * Disk quota visualization\n * File and folder deletion","## Demo","If you quickly want to check how Rdiffweb is behaving, you may try our demo server hosted on:","[https://rdiffweb-demo.ikus-soft.com/](https://rdiffweb-demo.ikus-soft.com/)","Use the following credential to login:"," * Username: admin\n * Password: admin123","## Installation & Docker usage","For detailed installation steps, read the [Installation documentation](https://www.ikus-soft.com/archive/rdiffweb/doc/latest/html/installation.html).","## Current Build Status","[](https://gitlab.com/ikus-soft/rdiffweb/pipelines)","## Download","You should read the [Documentation](https://www.ikus-soft.com/archive/rdiffweb/doc/latest/html/index.html) to properly install Rdiffweb in your environment.","**Docker**"," docker pull ikus060/rdiffweb\n \n**Debian**"," curl -L https://www.ikus-soft.com/archive/rdiffweb/public.key | apt-key add - \n echo \"deb https://nexus.ikus-soft.com/repository/apt-release-bullseye/ bullseye main\" > /etc/apt/sources.list.d/rdiffweb.list\n apt update\n apt install rdiffweb","**Pypi**"," pip install rdiffweb","## Support","### Mailing list","Rdiffweb users should use the [Rdiffweb mailing list](https://groups.google.com/forum/#!forum/rdiffweb).","### Bug Reports","Bug reports should be reported on the Rdiffweb Gitlab at https://gitlab.com/ikus-soft/rdiffweb/-/issues","### Professional support","Professional support for Rdiffweb is available by contacting [IKUS Soft](https://www.ikus-soft.com/en/support/#form).","# Changelog\n","## 2.4.8 (2022-09-24)","\nThis releases include a security fix. If you are using an earlier version, you should upgrade to this release immediately.","* Clean-up invalid path on error page\n* Limit username field length [CVE-2022-3290](https://nvd.nist.gov/vuln/detail/CVE-2022-3290)\n* Limit user's email field length [CVE-2022-3272](https://nvd.nist.gov/vuln/detail/CVE-2022-3272)\n* Limit user's root directory field length [CVE-2022-3295](https://nvd.nist.gov/vuln/detail/CVE-2022-3295)","","\n## 2.4.7 (2002-09-21)","This releases include a security fix. If you are using an earlier version, you should upgrade to this release immediately.","* Generate a new session on login and 2FA #220 [CVE-2022-3269](https://nvd.nist.gov/vuln/detail/CVE-2022-3269)\n* Mitigate CSRF on user's settings #221 [CVE-2022-3274](https://nvd.nist.gov/vuln/detail/CVE-2022-3274)","## 2.4.6 (2022-09-20)","This releases include a security fix. If you are using an earlier version, you should upgrade to this release immediately.","* Support MarkupSafe<3 for Debian bookworm\n* Mitigate CSRF on user's notification settings #216 [CVE-2022-3233](https://nvd.nist.gov/vuln/detail/CVE-2022-3233)\n* Mitigate CSRF on repository settings #217 [CVE-2022-3267](https://nvd.nist.gov/vuln/detail/CVE-2022-3267)\n* Use 'Secure' Attribute with Sensitive Cookie in HTTPS Session on HTTP Error #218 [CVE-2022-3174](https://nvd.nist.gov/vuln/detail/CVE-2022-3174)","## 2.4.5 (2002-09-16)","This releases include a security fix. If you are using an earlier version, you should upgrade to this release immediately.","* Mitigate CSRF on repository deletion and user deletion [CVE-2022-3232](https://nvd.nist.gov/vuln/detail/CVE-2022-3232) #214 #215","## 2.4.4 (2002-09-15)","This releases include a security fix. If you are using an earlier version, you should upgrade to this release immediately.","* Use `X-Real-IP` to identify client IP address to mitigate Brute-Force attack #213","## 2.4.3 (2022-09-14)","This releases include a security fix. If you are using an earlier version, you should upgrade to this release immediately.","* Mitigate CSRF in profile's SSH Keys [CVE-2022-3221](https://nvd.nist.gov/vuln/detail/CVE-2022-3221) #212","## 2.4.2 (2022-09-12)","This releases include a security fix. If you are using an earlier version, you should upgrade to this release immediately.","* Use 'Secure' Attribute with Sensitive Cookie in HTTPS Session. [CVE-2022-3174](https://nvd.nist.gov/vuln/detail/CVE-2022-3174) #209\n* Avoid leakage of the stack trace in the default error page. [CVE-2022-3175](https://nvd.nist.gov/vuln/detail/CVE-2022-3175) #210\n* Enforce minimum and maximum password length [CVE-2022-3175](https://nvd.nist.gov/vuln/detail/CVE-2022-3179) #211","## 2.4.1 (2022-09-08)","This releases include a security fix. If you are using an earlier version, you should upgrade to this release immediately.","* Add Clickjacking Defense [CVE-2022-3167](https://nvd.nist.gov/vuln/detail/CVE-2022-3167)\n* Drop Ubuntu Hirsute & Impish (End-of-life)","## 2.4.0 (2022-06-21)","This new release brings a lot of improvement since the last version, multiple bug fixes\nto make the application stable. A couple of new features to improve the overall\nusability and a new security feature to block a brute force attack.","* Add RateLimit to login page and API to mitigate robots attacks #167\n* Send email notification only if `email-sender` option is defined to avoid raising exception in logs #176\n* Support file restore cancellation without leaving `rdiffweb-restore` process in `<defunct>` state #174\n* Replace `python-ldap` by `ldap3` a pure python implementation to avoid dependencies on `sasl` and `ldap` binaries #186\n* Reffactor core module to allow better extendability and reusability #183\n* Add support for Debian Bookworm #180\n* Add support for Ubuntu Impish #175\n* Add rdiff-backup version to administration view\n* Run unit test during Debian build package\n* Refresh repository list automatically when required #188 #189\n* Fix error 500 displayed in status page #191\n* Improve repository browsing speed by minimizing the number of I/O call #192\n* Publish Docker image directly to DockerHub #144","Breaking changes:","* Ldap Password changes is not supported anymore.\n* Ldap Check Shadow expire config is not supported anymore. It should be replace by a custom filter.\n* Drop CentOS 7 and CentOS 8 support","## 2.3.9 (2022-01-05)","Maintenance release to fix minor issues","* Improve date parsing for `backup.log` to avoid printing exception in logs #170\n* Return HTTP error 403 for invalid symlink to avoid returning a misleading HTTP 500 Server Error #168\n* Show a user friendly error message when trying to create a new user with an existing username #169\n* Handle repository without last-backup date during the notification process to ensure notifications are sent #171\n* Replace CherryPy `storage_type` by `storage_class` to avoid warning in logs\n* Update code to avoid deprecation warning where applicable\n* Add Flake8 validation to improve code quality\n* Remove Ubuntu Groovy support","## 2.3.8 (2021-12-01)","* Push all artefacts to nexus server including binaries and documentation\n* Fix `Chart.js` loading on Debian bullseye #164\n* Update installation steps documentation\n* Improve LDAP authentication to lookup entire directory\n* Fix usage of `--ldap-add-user-default-userroot` to avoid error related to wrong encoding\n* Improve authentication mechanics\n* Avoid raising an HTTP error 500 when login form receive invalid payload\n* Mitigate open redirect vulnerability in login form","## 2.3.7 (2021-10-21)"," * To avoid backward compatibility issue, revert CSRF Token validation\n * Mitigate CSRF vulnerability using cookies with `SameSite=Lax`\n * Mitigate CSRF vulnerability by validating the `Origin` header when a form is submited\n * Improve usage of WTForm for all form validation\n * Update installation stepd for debian #162\n * Build Ubuntu packages and publish them to our APT repo","## 2.3.6 (2021-10-20)"," * Broken build","## 2.3.5 (2021-10-18)"," * Mitigate CSRF vulnerability to user, ssh and repo management with CSRF Token","## 2.3.4 (2021-09-20)"," * Skip email notification if `email-host` configuration is not provided #157\n * Skip email notification when the new attribute value has the same value #159\n * USE LDAP `mail` attribute when creating new user from LDAP directory #156","## 2.3.3 (2021-09-10)"," * Provide a new theme `blue` to match IKUS Soft colors #158","## 2.3.2 (2021-09-07)"," * Automatically update user's repository list based on user's home directory","## 2.3.1 (2021-07-14)"," * Update default `session-dir` location to `/var/lib/rdiffweb/session` to avoid using `/var/run` #148","## 2.3.0 (2021-07-06)"," * Improve timezone handling to display date with local timezone using javascript #143\n * Improve charts by replacing d3js by chartkick #122\n * Replace the status view by something meaningful with chartkick #122\n * Provide Docker image with Rdiffweb `docker pull ikus060/rdiffweb` #55\n * Fix file and folder sorting #143","## 2.2.0 (2021-05-11)\n \n * Debian package:\n * Add rdiff-backup as dependencies to comply with Debian packaging rules\n * Multiple other fixed to control files\n * Use debhelper-compat (= 13)\n * Use debhelper-compat (= 13)\n * Run test during packaging\n * Create default folder `/var/run/rdiffweb/sessions` to store user session\n * Use ConfigArgPare for configuration to support configuration file, environment variables and arguments to configure rdiffweb #114\n * Fix cache in localization module\n * Add `ldap-add-default-role` and `ldap-add-default-userroot` option to define default value for role and user root when creating user from LDAP #125\n * Support PostgreSQL database by replacing our storage layer by SQLAlchemy #126\n * Fix to retrieve user quota only for valid user_root #135\n * Add option `disable-ssh-keys` to disable SSH Key management\n * Use absolute URL everywhere\n * Add support for `X-Forwarded-For`, `X-Forwarded-proto` and other reverse proxy header when generating absolute URL\n * Drop Debian Stretch support\n * Implement a new background scheduler using apscheduler #82\n * Use background job to send email notification to avoid blocking web page loading #47\n * Use background job to delete repository to avoid blocking web page loading #48\n * Allow deleting a specific file or folder from the history using `rdiff-backup-delete` #128\n * Improve support for `session-dir` #131\n * Add option `admin-password` to define administrator password for better security\n * Improve performance of repository browsing \n * Add a new view to display logs of a specific repository\n * Allow downloading the log\n * Define a default limit to graph statistics to make it display faster\n * Fix `get-quota-cmd` option to properly return a value","## 2.1.0 (2021-01-15)","* Debian package: Remove dh-systemd from Debian build dependencies (https://bugs.debian.org/871312we)\n* Improve Quota management:\n * `QuotaSetCmd`, `QuotaGetCmd` and `QuotaUsedCmd` options could be used to customize how to set the quota for your environment.\n * Display user's quota in User View\n * Display user's quota in Admin View\n * Allow admin to update user quota from Admin View when `QuotaSetCmd` is defined.\n * Allow admin to define user quota using human readable value (e.g.: GiB, TiB, etc.)\n * Improve logging around quota management\n* Improve robustness when service is starting\n* Improve robustness when repository has wrong permission defined (e.g.: when some files not readable)\n* Add user id in Admin view\n* Replace `UserObject(1)` by the actual username in log file to improve debugging","## 2.0.0 (2020-12-04)","* Re-implement logic to update repositories views to remove duplicates and avoid nesting repo. #107\n* Handle elapsed time of days in the graph. Thanks [Nathaniel van Diepen](https://github.com/Eeems) contributions.\n* Rebrand all link to ikus-soft.com\n* Update documentation to install rdiffweb\n* Remove obsolete minify dependency\n* Drop support for python2\n* Provide null translation if translation catalogues are not found\n* Pass a LANG environment variable to rdiff-backup restore process to fix encoding issue #112\n* Remove obsolete python shebang\n* Remove execution bit (+x) on python modules\n* Provide `--help` and `--version` on `rdiffweb` executable\n* Improve cherrypy version detection\n* Do not update translation files (.mo) during build","## 1.5.0 (2020-06-24)","This minor release introduce official support of rdiffweb on Debian Bullseye. It also includes some usability improvements."," * Change formatting of Last Backup date for \"Updated 3 weeks ago\" to ease the readability\n * Add support for Debian Bullseye\n * Add support for Python 3.8 (#104)\n * Add warning in the users list view when a root directory is invalid (#30)\n * Add options to control search depthness (#1)\n * Print a warning in the log when the \"DefaultTheme\" value is not valid (#90)","## 1.4.0 (2020-05-20)","Thanks to our sponsor, this release introduce a feature to have better control over the user's permission by defining 3 different levels of privilege: Admin, Maintainer and User. This addition allows you to have better control on what your users can or can't do."," * Fix single repository discovery when a user's home is a rdiff-backup repository\n * [SPONSORED] Add a new setting at the user level to define the user's role. Admin,\n Maintainer and User. Admin are allowed to do everything. Maintainer are\n allow to browse and delete repo. Users are only allowed to browse. #94\n * Add \"Powered by\" in the web interface footer #91\n * Display a nice error message when trying to delete admin user #93\n * Introduce usage of wtforms and flash in admin users for better form validation. #96 #97\n * Update French translation","## 1.3.2 (2020-04-23)","This minor releases fixed issues found while testing release 1.3.0."," * Fix lookup of executable rdiff-backup and rdiffweb-restore to search in current virtualenv first\n * Fix repository view when multiple repo path are conflicting\n * Fix logging of rdiffweb-restore subprocess","## 1.3.1 (2020-04-10)","This minor release enforces security of the password stored in rdiffweb database to make use of a better encryption using SSHA.\nOnly new passwords will make use of the SSHA scheme."," * Enforce password encryption by using SSHA scheme #88","## 1.3.0 (2020-04-07)","This release focuses on improving the restore of big archives. The download should be much faster to start. Major enhancement was made to offload the processing outside the web server. And all of this is still compatible with rdiff-backup v1.2.8 and the latest v2.0.0."," * Restore file and folder in a subprocess to make the download start faster\n * Fix encoding of archive on Python3.6 (CentOS 7) by using PAX format\n * Add support to restore files and folders using rdiff-backup2\n * Remove obsolete dependencies `pysqlite2`\n * Fix issue creating duplicate entries of repository in the database","## 1.2.2 (2020-03-05)","This release provides little improvement to the v1.2.x including official support of rdiff-backup v2.0.0."," * Enhance the repository to invite users to refresh the repository when the view is empty.\n * Support rdiff-backup v2.0.0\n * Deprecate support for cherrypy 4, 5, 6 and 7\n * Improve loading of repository data (cache status and entries)\n * Restore compatibility with SQLite 3.7 (CentOS7)","Known issues:"," * Filename encoding in tar.gz and zip file might not be accurate if you are running Python 3.6 (CentOS7)","\n## 1.2.1 (2020-02-08)","Little bug fix following the previous release"," * Fix 404 error when trying to access other users repo as admin\n * Fix logging format for cherrypy logs to matches rdiffweb format\n * Add log rotation by default","## 1.2.0 (2020-01-30)","This release focus on improving the database layers for better extendability to add more type of data and to support more databases backend like postgresql in the near future."," * Add explicit testing for Debian Stretch & Buster\n * Change the persistence layers\n * Minimize number of SQL queries\n * Add object lazy loading\n * Add object data caching\n * Fix bugs with SQLite <= 3.16 (Debian Stretch)","## 1.1.0 (2019-10-31)","This release focus on improving the admin area and building the fundation for repository access control list (ACL)."," * Update documentation from PDSL web site\n * Improve the navigation bar layout\n * Update the login page headline\n * Update jinja2 version to allow 2.10.x\n * Show server log in admin area\n * Reduce code smell\n * Add System information in admin area\n * Validate credential using local database before LDAP\n * Reffactoring templates macros\n * Enhance user's view search bar\n * Change repository URL to username/repopath\n * Add System information in admin area\n * Improve testcases\n * Clean-up obsolete code\n * Fix issue with captital case encoding name\n * Fix compilation of less files\n * Fix google font import","## 1.0.3 (2019-10-04)\n * Removing the auto update repos","## 1.0.2 (2019-10-01)\n * Create \"admin\" user if missing\n * Update french translation","## 1.0.1 (2019-09-22)\n * Update installation documentation \n * Fix removal of SSH Key\n * Return meaningful error to the user trying to add an existing SSH key","## 1.0.0 (2019-09-11)\n * Make repository removal more robust\n * Improve performance of librdiff\n * Add new RESTful api\n * Return the right HTTP 401 or 402 error code for authentication\n * Fix bug introduce by upgrade to Jinja2 + python3\n * Store ssh keys in database and disk\n * Add support for theme (default, orange)\n * Remove deprecated profiling code\n * Add disk usage support / quota\n * Add support of cherrypy v18\n * Drop support of cherrypy v3.2.2\n * Add wsgi entry point\n * Replace the plugins architecture to ease implementation\n * Numerous bug fixes","## 0.10.9 (2019-05-22)\n * Better error handling when error.log file are not valid gzip file"],"string":"[\n \"\",\n \"<p align=\\\"center\\\">\\n<strong>\\n<a href=\\\"https://www.rdiffweb.org\\\">website</a>\\n• <a href=\\\"https://www.ikus-soft.com/archive/rdiffweb/doc/latest/html/\\\">docs</a>\\n• <a href=\\\"https://groups.google.com/d/forum/rdiffweb\\\">community</a>\\n• <a href=\\\"https://rdiffweb-demo.ikus-soft.com/\\\">demo</a>\\n</strong>\\n</p>\",\n \"<p align=\\\"center\\\">\\n<a href=\\\"LICENSE\\\"><img alt=\\\"License\\\" src=\\\"https://img.shields.io/github/license/ikus060/rdiffweb\\\"></a>\\n<a href=\\\"https://gitlab.com/ikus-soft/rdiffweb/pipelines\\\"><img alt=\\\"Build\\\" src=\\\"https://gitlab.com/ikus-soft/rdiffweb/badges/master/pipeline.svg\\\"></a>\\n<a href=\\\"https://sonar.ikus-soft.com/dashboard?id=rdiffweb\\\"><img alt=\\\"Quality Gate Minarca Client\\\" src=\\\"https://sonar.ikus-soft.com/api/project_badges/measure?project=rdiffweb&metric=alert_status\\\"></a>\\n<a href=\\\"https://sonar.ikus-soft.com/dashboard?id=rdiffweb\\\"><img alt=\\\"Coverage\\\" src=\\\"https://sonar.ikus-soft.com/api/project_badges/measure?project=rdiffweb&metric=coverage\\\"></a>\\n</p>\",\n \"<h1 align=\\\"center\\\">\\nWelcome to Rdiffweb\\n</h1>\",\n \"Rdiffweb is a web application that allows you to view repositories generated\\nby [rdiff-backup](https://rdiff-backup.net/). The purpose of this\\napplication is to ease the management of backups and quickly restore your data\\nwith a rich and powerful web interface.\",\n \"Rdiffweb is written in Python and is released as open source project under the \\nGNU GENERAL PUBLIC LICENSE (GPL). All source code and documentation are\\nCopyright Rdiffweb contributors.\",\n \"Rdiffweb is actively developed by [IKUS Soft](https://www.ikus-soft.com/)\\nsince November 2014.\",\n \"The Rdiffweb source code is hosted on [Gitlab](https://gitlab.com/ikus-soft/rdiffweb)\\nand mirrored to [Github](https://github.com/ikus060/rdiffweb).\",\n \"The Rdiffweb website is https://rdiffweb.org/.\",\n \"## Features\",\n \"With its rich web interface Rdiffweb provide a notable list of features:\",\n \" * Browse your backup\\n * Restore single file or multiple files as an archived\\n * Users authentication via local database and LDAP\\n * Users authorization\\n * Email notification when backup is not successful\\n * Configurable repository encoding\\n * Configurable retention period\\n * Backup statistics visualization using graphs\\n * SSH Keys management\\n * Disk quota visualization\\n * File and folder deletion\",\n \"## Demo\",\n \"If you quickly want to check how Rdiffweb is behaving, you may try our demo server hosted on:\",\n \"[https://rdiffweb-demo.ikus-soft.com/](https://rdiffweb-demo.ikus-soft.com/)\",\n \"Use the following credential to login:\",\n \" * Username: admin\\n * Password: admin123\",\n \"## Installation & Docker usage\",\n \"For detailed installation steps, read the [Installation documentation](https://www.ikus-soft.com/archive/rdiffweb/doc/latest/html/installation.html).\",\n \"## Current Build Status\",\n \"[](https://gitlab.com/ikus-soft/rdiffweb/pipelines)\",\n \"## Download\",\n \"You should read the [Documentation](https://www.ikus-soft.com/archive/rdiffweb/doc/latest/html/index.html) to properly install Rdiffweb in your environment.\",\n \"**Docker**\",\n \" docker pull ikus060/rdiffweb\\n \\n**Debian**\",\n \" curl -L https://www.ikus-soft.com/archive/rdiffweb/public.key | apt-key add - \\n echo \\\"deb https://nexus.ikus-soft.com/repository/apt-release-bullseye/ bullseye main\\\" > /etc/apt/sources.list.d/rdiffweb.list\\n apt update\\n apt install rdiffweb\",\n \"**Pypi**\",\n \" pip install rdiffweb\",\n \"## Support\",\n \"### Mailing list\",\n \"Rdiffweb users should use the [Rdiffweb mailing list](https://groups.google.com/forum/#!forum/rdiffweb).\",\n \"### Bug Reports\",\n \"Bug reports should be reported on the Rdiffweb Gitlab at https://gitlab.com/ikus-soft/rdiffweb/-/issues\",\n \"### Professional support\",\n \"Professional support for Rdiffweb is available by contacting [IKUS Soft](https://www.ikus-soft.com/en/support/#form).\",\n \"# Changelog\\n\",\n \"## 2.4.8 (2022-09-24)\",\n \"\\nThis releases include a security fix. If you are using an earlier version, you should upgrade to this release immediately.\",\n \"* Clean-up invalid path on error page\\n* Limit username field length [CVE-2022-3290](https://nvd.nist.gov/vuln/detail/CVE-2022-3290)\\n* Limit user's email field length [CVE-2022-3272](https://nvd.nist.gov/vuln/detail/CVE-2022-3272)\\n* Limit user's root directory field length [CVE-2022-3295](https://nvd.nist.gov/vuln/detail/CVE-2022-3295)\",\n \"\",\n \"\\n## 2.4.7 (2002-09-21)\",\n \"This releases include a security fix. If you are using an earlier version, you should upgrade to this release immediately.\",\n \"* Generate a new session on login and 2FA #220 [CVE-2022-3269](https://nvd.nist.gov/vuln/detail/CVE-2022-3269)\\n* Mitigate CSRF on user's settings #221 [CVE-2022-3274](https://nvd.nist.gov/vuln/detail/CVE-2022-3274)\",\n \"## 2.4.6 (2022-09-20)\",\n \"This releases include a security fix. If you are using an earlier version, you should upgrade to this release immediately.\",\n \"* Support MarkupSafe<3 for Debian bookworm\\n* Mitigate CSRF on user's notification settings #216 [CVE-2022-3233](https://nvd.nist.gov/vuln/detail/CVE-2022-3233)\\n* Mitigate CSRF on repository settings #217 [CVE-2022-3267](https://nvd.nist.gov/vuln/detail/CVE-2022-3267)\\n* Use 'Secure' Attribute with Sensitive Cookie in HTTPS Session on HTTP Error #218 [CVE-2022-3174](https://nvd.nist.gov/vuln/detail/CVE-2022-3174)\",\n \"## 2.4.5 (2002-09-16)\",\n \"This releases include a security fix. If you are using an earlier version, you should upgrade to this release immediately.\",\n \"* Mitigate CSRF on repository deletion and user deletion [CVE-2022-3232](https://nvd.nist.gov/vuln/detail/CVE-2022-3232) #214 #215\",\n \"## 2.4.4 (2002-09-15)\",\n \"This releases include a security fix. If you are using an earlier version, you should upgrade to this release immediately.\",\n \"* Use `X-Real-IP` to identify client IP address to mitigate Brute-Force attack #213\",\n \"## 2.4.3 (2022-09-14)\",\n \"This releases include a security fix. If you are using an earlier version, you should upgrade to this release immediately.\",\n \"* Mitigate CSRF in profile's SSH Keys [CVE-2022-3221](https://nvd.nist.gov/vuln/detail/CVE-2022-3221) #212\",\n \"## 2.4.2 (2022-09-12)\",\n \"This releases include a security fix. If you are using an earlier version, you should upgrade to this release immediately.\",\n \"* Use 'Secure' Attribute with Sensitive Cookie in HTTPS Session. [CVE-2022-3174](https://nvd.nist.gov/vuln/detail/CVE-2022-3174) #209\\n* Avoid leakage of the stack trace in the default error page. [CVE-2022-3175](https://nvd.nist.gov/vuln/detail/CVE-2022-3175) #210\\n* Enforce minimum and maximum password length [CVE-2022-3175](https://nvd.nist.gov/vuln/detail/CVE-2022-3179) #211\",\n \"## 2.4.1 (2022-09-08)\",\n \"This releases include a security fix. If you are using an earlier version, you should upgrade to this release immediately.\",\n \"* Add Clickjacking Defense [CVE-2022-3167](https://nvd.nist.gov/vuln/detail/CVE-2022-3167)\\n* Drop Ubuntu Hirsute & Impish (End-of-life)\",\n \"## 2.4.0 (2022-06-21)\",\n \"This new release brings a lot of improvement since the last version, multiple bug fixes\\nto make the application stable. A couple of new features to improve the overall\\nusability and a new security feature to block a brute force attack.\",\n \"* Add RateLimit to login page and API to mitigate robots attacks #167\\n* Send email notification only if `email-sender` option is defined to avoid raising exception in logs #176\\n* Support file restore cancellation without leaving `rdiffweb-restore` process in `<defunct>` state #174\\n* Replace `python-ldap` by `ldap3` a pure python implementation to avoid dependencies on `sasl` and `ldap` binaries #186\\n* Reffactor core module to allow better extendability and reusability #183\\n* Add support for Debian Bookworm #180\\n* Add support for Ubuntu Impish #175\\n* Add rdiff-backup version to administration view\\n* Run unit test during Debian build package\\n* Refresh repository list automatically when required #188 #189\\n* Fix error 500 displayed in status page #191\\n* Improve repository browsing speed by minimizing the number of I/O call #192\\n* Publish Docker image directly to DockerHub #144\",\n \"Breaking changes:\",\n \"* Ldap Password changes is not supported anymore.\\n* Ldap Check Shadow expire config is not supported anymore. It should be replace by a custom filter.\\n* Drop CentOS 7 and CentOS 8 support\",\n \"## 2.3.9 (2022-01-05)\",\n \"Maintenance release to fix minor issues\",\n \"* Improve date parsing for `backup.log` to avoid printing exception in logs #170\\n* Return HTTP error 403 for invalid symlink to avoid returning a misleading HTTP 500 Server Error #168\\n* Show a user friendly error message when trying to create a new user with an existing username #169\\n* Handle repository without last-backup date during the notification process to ensure notifications are sent #171\\n* Replace CherryPy `storage_type` by `storage_class` to avoid warning in logs\\n* Update code to avoid deprecation warning where applicable\\n* Add Flake8 validation to improve code quality\\n* Remove Ubuntu Groovy support\",\n \"## 2.3.8 (2021-12-01)\",\n \"* Push all artefacts to nexus server including binaries and documentation\\n* Fix `Chart.js` loading on Debian bullseye #164\\n* Update installation steps documentation\\n* Improve LDAP authentication to lookup entire directory\\n* Fix usage of `--ldap-add-user-default-userroot` to avoid error related to wrong encoding\\n* Improve authentication mechanics\\n* Avoid raising an HTTP error 500 when login form receive invalid payload\\n* Mitigate open redirect vulnerability in login form\",\n \"## 2.3.7 (2021-10-21)\",\n \" * To avoid backward compatibility issue, revert CSRF Token validation\\n * Mitigate CSRF vulnerability using cookies with `SameSite=Lax`\\n * Mitigate CSRF vulnerability by validating the `Origin` header when a form is submited\\n * Improve usage of WTForm for all form validation\\n * Update installation stepd for debian #162\\n * Build Ubuntu packages and publish them to our APT repo\",\n \"## 2.3.6 (2021-10-20)\",\n \" * Broken build\",\n \"## 2.3.5 (2021-10-18)\",\n \" * Mitigate CSRF vulnerability to user, ssh and repo management with CSRF Token\",\n \"## 2.3.4 (2021-09-20)\",\n \" * Skip email notification if `email-host` configuration is not provided #157\\n * Skip email notification when the new attribute value has the same value #159\\n * USE LDAP `mail` attribute when creating new user from LDAP directory #156\",\n \"## 2.3.3 (2021-09-10)\",\n \" * Provide a new theme `blue` to match IKUS Soft colors #158\",\n \"## 2.3.2 (2021-09-07)\",\n \" * Automatically update user's repository list based on user's home directory\",\n \"## 2.3.1 (2021-07-14)\",\n \" * Update default `session-dir` location to `/var/lib/rdiffweb/session` to avoid using `/var/run` #148\",\n \"## 2.3.0 (2021-07-06)\",\n \" * Improve timezone handling to display date with local timezone using javascript #143\\n * Improve charts by replacing d3js by chartkick #122\\n * Replace the status view by something meaningful with chartkick #122\\n * Provide Docker image with Rdiffweb `docker pull ikus060/rdiffweb` #55\\n * Fix file and folder sorting #143\",\n \"## 2.2.0 (2021-05-11)\\n \\n * Debian package:\\n * Add rdiff-backup as dependencies to comply with Debian packaging rules\\n * Multiple other fixed to control files\\n * Use debhelper-compat (= 13)\\n * Use debhelper-compat (= 13)\\n * Run test during packaging\\n * Create default folder `/var/run/rdiffweb/sessions` to store user session\\n * Use ConfigArgPare for configuration to support configuration file, environment variables and arguments to configure rdiffweb #114\\n * Fix cache in localization module\\n * Add `ldap-add-default-role` and `ldap-add-default-userroot` option to define default value for role and user root when creating user from LDAP #125\\n * Support PostgreSQL database by replacing our storage layer by SQLAlchemy #126\\n * Fix to retrieve user quota only for valid user_root #135\\n * Add option `disable-ssh-keys` to disable SSH Key management\\n * Use absolute URL everywhere\\n * Add support for `X-Forwarded-For`, `X-Forwarded-proto` and other reverse proxy header when generating absolute URL\\n * Drop Debian Stretch support\\n * Implement a new background scheduler using apscheduler #82\\n * Use background job to send email notification to avoid blocking web page loading #47\\n * Use background job to delete repository to avoid blocking web page loading #48\\n * Allow deleting a specific file or folder from the history using `rdiff-backup-delete` #128\\n * Improve support for `session-dir` #131\\n * Add option `admin-password` to define administrator password for better security\\n * Improve performance of repository browsing \\n * Add a new view to display logs of a specific repository\\n * Allow downloading the log\\n * Define a default limit to graph statistics to make it display faster\\n * Fix `get-quota-cmd` option to properly return a value\",\n \"## 2.1.0 (2021-01-15)\",\n \"* Debian package: Remove dh-systemd from Debian build dependencies (https://bugs.debian.org/871312we)\\n* Improve Quota management:\\n * `QuotaSetCmd`, `QuotaGetCmd` and `QuotaUsedCmd` options could be used to customize how to set the quota for your environment.\\n * Display user's quota in User View\\n * Display user's quota in Admin View\\n * Allow admin to update user quota from Admin View when `QuotaSetCmd` is defined.\\n * Allow admin to define user quota using human readable value (e.g.: GiB, TiB, etc.)\\n * Improve logging around quota management\\n* Improve robustness when service is starting\\n* Improve robustness when repository has wrong permission defined (e.g.: when some files not readable)\\n* Add user id in Admin view\\n* Replace `UserObject(1)` by the actual username in log file to improve debugging\",\n \"## 2.0.0 (2020-12-04)\",\n \"* Re-implement logic to update repositories views to remove duplicates and avoid nesting repo. #107\\n* Handle elapsed time of days in the graph. Thanks [Nathaniel van Diepen](https://github.com/Eeems) contributions.\\n* Rebrand all link to ikus-soft.com\\n* Update documentation to install rdiffweb\\n* Remove obsolete minify dependency\\n* Drop support for python2\\n* Provide null translation if translation catalogues are not found\\n* Pass a LANG environment variable to rdiff-backup restore process to fix encoding issue #112\\n* Remove obsolete python shebang\\n* Remove execution bit (+x) on python modules\\n* Provide `--help` and `--version` on `rdiffweb` executable\\n* Improve cherrypy version detection\\n* Do not update translation files (.mo) during build\",\n \"## 1.5.0 (2020-06-24)\",\n \"This minor release introduce official support of rdiffweb on Debian Bullseye. It also includes some usability improvements.\",\n \" * Change formatting of Last Backup date for \\\"Updated 3 weeks ago\\\" to ease the readability\\n * Add support for Debian Bullseye\\n * Add support for Python 3.8 (#104)\\n * Add warning in the users list view when a root directory is invalid (#30)\\n * Add options to control search depthness (#1)\\n * Print a warning in the log when the \\\"DefaultTheme\\\" value is not valid (#90)\",\n \"## 1.4.0 (2020-05-20)\",\n \"Thanks to our sponsor, this release introduce a feature to have better control over the user's permission by defining 3 different levels of privilege: Admin, Maintainer and User. This addition allows you to have better control on what your users can or can't do.\",\n \" * Fix single repository discovery when a user's home is a rdiff-backup repository\\n * [SPONSORED] Add a new setting at the user level to define the user's role. Admin,\\n Maintainer and User. Admin are allowed to do everything. Maintainer are\\n allow to browse and delete repo. Users are only allowed to browse. #94\\n * Add \\\"Powered by\\\" in the web interface footer #91\\n * Display a nice error message when trying to delete admin user #93\\n * Introduce usage of wtforms and flash in admin users for better form validation. #96 #97\\n * Update French translation\",\n \"## 1.3.2 (2020-04-23)\",\n \"This minor releases fixed issues found while testing release 1.3.0.\",\n \" * Fix lookup of executable rdiff-backup and rdiffweb-restore to search in current virtualenv first\\n * Fix repository view when multiple repo path are conflicting\\n * Fix logging of rdiffweb-restore subprocess\",\n \"## 1.3.1 (2020-04-10)\",\n \"This minor release enforces security of the password stored in rdiffweb database to make use of a better encryption using SSHA.\\nOnly new passwords will make use of the SSHA scheme.\",\n \" * Enforce password encryption by using SSHA scheme #88\",\n \"## 1.3.0 (2020-04-07)\",\n \"This release focuses on improving the restore of big archives. The download should be much faster to start. Major enhancement was made to offload the processing outside the web server. And all of this is still compatible with rdiff-backup v1.2.8 and the latest v2.0.0.\",\n \" * Restore file and folder in a subprocess to make the download start faster\\n * Fix encoding of archive on Python3.6 (CentOS 7) by using PAX format\\n * Add support to restore files and folders using rdiff-backup2\\n * Remove obsolete dependencies `pysqlite2`\\n * Fix issue creating duplicate entries of repository in the database\",\n \"## 1.2.2 (2020-03-05)\",\n \"This release provides little improvement to the v1.2.x including official support of rdiff-backup v2.0.0.\",\n \" * Enhance the repository to invite users to refresh the repository when the view is empty.\\n * Support rdiff-backup v2.0.0\\n * Deprecate support for cherrypy 4, 5, 6 and 7\\n * Improve loading of repository data (cache status and entries)\\n * Restore compatibility with SQLite 3.7 (CentOS7)\",\n \"Known issues:\",\n \" * Filename encoding in tar.gz and zip file might not be accurate if you are running Python 3.6 (CentOS7)\",\n \"\\n## 1.2.1 (2020-02-08)\",\n \"Little bug fix following the previous release\",\n \" * Fix 404 error when trying to access other users repo as admin\\n * Fix logging format for cherrypy logs to matches rdiffweb format\\n * Add log rotation by default\",\n \"## 1.2.0 (2020-01-30)\",\n \"This release focus on improving the database layers for better extendability to add more type of data and to support more databases backend like postgresql in the near future.\",\n \" * Add explicit testing for Debian Stretch & Buster\\n * Change the persistence layers\\n * Minimize number of SQL queries\\n * Add object lazy loading\\n * Add object data caching\\n * Fix bugs with SQLite <= 3.16 (Debian Stretch)\",\n \"## 1.1.0 (2019-10-31)\",\n \"This release focus on improving the admin area and building the fundation for repository access control list (ACL).\",\n \" * Update documentation from PDSL web site\\n * Improve the navigation bar layout\\n * Update the login page headline\\n * Update jinja2 version to allow 2.10.x\\n * Show server log in admin area\\n * Reduce code smell\\n * Add System information in admin area\\n * Validate credential using local database before LDAP\\n * Reffactoring templates macros\\n * Enhance user's view search bar\\n * Change repository URL to username/repopath\\n * Add System information in admin area\\n * Improve testcases\\n * Clean-up obsolete code\\n * Fix issue with captital case encoding name\\n * Fix compilation of less files\\n * Fix google font import\",\n \"## 1.0.3 (2019-10-04)\\n * Removing the auto update repos\",\n \"## 1.0.2 (2019-10-01)\\n * Create \\\"admin\\\" user if missing\\n * Update french translation\",\n \"## 1.0.1 (2019-09-22)\\n * Update installation documentation \\n * Fix removal of SSH Key\\n * Return meaningful error to the user trying to add an existing SSH key\",\n \"## 1.0.0 (2019-09-11)\\n * Make repository removal more robust\\n * Improve performance of librdiff\\n * Add new RESTful api\\n * Return the right HTTP 401 or 402 error code for authentication\\n * Fix bug introduce by upgrade to Jinja2 + python3\\n * Store ssh keys in database and disk\\n * Add support for theme (default, orange)\\n * Remove deprecated profiling code\\n * Add disk usage support / quota\\n * Add support of cherrypy v18\\n * Drop support of cherrypy v3.2.2\\n * Add wsgi entry point\\n * Replace the plugins architecture to ease implementation\\n * Numerous bug fixes\",\n \"## 0.10.9 (2019-05-22)\\n * Better error handling when error.log file are not valid gzip file\"\n]","isConversational":false},"labels":{"kind":"list like","value":[1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,1,1,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1],"string":"[\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 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Throttling in GitHub repository ikus060/rdiffweb prior to 2.4.8.\", \"other\": {\"cve\": {\"cisaActionDue\": null, \"cisaExploitAdd\": null, \"cisaRequiredAction\": null, \"cisaVulnerabilityName\": null, \"configurations\": [{\"nodes\": [{\"cpeMatch\": [{\"criteria\": \"cpe:2.3:a:ikus-soft:rdiffweb:*:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"B5AF98F6-C5D5-4624-BCF8-B4B83A32BF02\", \"versionEndExcluding\": \"2.4.8\", \"versionEndIncluding\": null, \"versionStartExcluding\": null, \"versionStartIncluding\": null, \"vulnerable\": true}], \"negate\": false, \"operator\": \"OR\"}], \"operator\": null}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"Allocation of Resources Without Limits or Throttling in GitHub repository ikus060/rdiffweb prior to 2.4.8.\"}, {\"lang\": \"es\", \"value\": \"Una Asignaci\\u00f3n de Recursos sin L\\u00edmites ni Estrangulamiento en el repositorio de GitHub ikus060/rdiffweb versiones anteriores a 2.4.8.\\n\"}], \"evaluatorComment\": null, \"id\": \"CVE-2022-3298\", \"lastModified\": \"2022-09-28T17:02:32.270\", \"metrics\": {\"cvssMetricV2\": null, \"cvssMetricV30\": [{\"cvssData\": {\"attackComplexity\": \"LOW\", \"attackVector\": \"NETWORK\", \"availabilityImpact\": \"LOW\", \"baseScore\": 5.3, \"baseSeverity\": \"MEDIUM\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"privilegesRequired\": \"NONE\", \"scope\": \"UNCHANGED\", \"userInteraction\": \"NONE\", \"vectorString\": \"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L\", \"version\": \"3.0\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 1.4, \"source\": \"security@huntr.dev\", \"type\": \"Secondary\"}], \"cvssMetricV31\": [{\"cvssData\": {\"attackComplexity\": \"LOW\", \"attackVector\": \"NETWORK\", \"availabilityImpact\": \"HIGH\", \"baseScore\": 7.5, \"baseSeverity\": \"HIGH\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"privilegesRequired\": \"NONE\", \"scope\": \"UNCHANGED\", \"userInteraction\": \"NONE\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\", \"version\": \"3.1\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 3.6, \"source\": \"nvd@nist.gov\", \"type\": \"Primary\"}]}, \"published\": \"2022-09-26T22:15:15.753\", \"references\": [{\"source\": \"security@huntr.dev\", \"tags\": [\"Patch\", \"Third Party Advisory\"], \"url\": \"https://github.com/ikus060/rdiffweb/commit/626cca1b75b6c587afd4241a9692e8929b1921a5\"}, {\"source\": \"security@huntr.dev\", \"tags\": [\"Exploit\", \"Patch\", \"Third Party Advisory\"], \"url\": \"https://huntr.dev/bounties/f9fedf94-41c9-49c4-8552-e407123a44e7\"}], \"sourceIdentifier\": \"security@huntr.dev\", \"vendorComments\": null, \"vulnStatus\": \"Analyzed\", \"weaknesses\": [{\"description\": [{\"lang\": \"en\", \"value\": \"CWE-770\"}], \"source\": \"security@huntr.dev\", \"type\": \"Primary\"}]}, \"github_commit_url\": \"https://github.com/ikus060/rdiffweb/commit/626cca1b75b6c587afd4241a9692e8929b1921a5\"}, \"type\": \"CWE-770\"}"},"index":{"kind":"number","value":862,"string":"862"}}},{"rowIdx":5099,"cells":{"prompt":{"kind":"string","value":"Determine whether the {function_name} code is vulnerable or not."},"completions":{"kind":"list like","value":["","<p align=\"center\">\n<strong>\n<a href=\"https://www.rdiffweb.org\">website</a>\n• <a href=\"https://www.ikus-soft.com/archive/rdiffweb/doc/latest/html/\">docs</a>\n• <a href=\"https://groups.google.com/d/forum/rdiffweb\">community</a>\n• <a href=\"https://rdiffweb-demo.ikus-soft.com/\">demo</a>\n</strong>\n</p>","<p align=\"center\">\n<a href=\"LICENSE\"><img alt=\"License\" src=\"https://img.shields.io/github/license/ikus060/rdiffweb\"></a>\n<a href=\"https://gitlab.com/ikus-soft/rdiffweb/pipelines\"><img alt=\"Build\" src=\"https://gitlab.com/ikus-soft/rdiffweb/badges/master/pipeline.svg\"></a>\n<a href=\"https://sonar.ikus-soft.com/dashboard?id=rdiffweb\"><img alt=\"Quality Gate Minarca Client\" src=\"https://sonar.ikus-soft.com/api/project_badges/measure?project=rdiffweb&metric=alert_status\"></a>\n<a href=\"https://sonar.ikus-soft.com/dashboard?id=rdiffweb\"><img alt=\"Coverage\" src=\"https://sonar.ikus-soft.com/api/project_badges/measure?project=rdiffweb&metric=coverage\"></a>\n</p>","<h1 align=\"center\">\nWelcome to Rdiffweb\n</h1>","Rdiffweb is a web application that allows you to view repositories generated\nby [rdiff-backup](https://rdiff-backup.net/). The purpose of this\napplication is to ease the management of backups and quickly restore your data\nwith a rich and powerful web interface.","Rdiffweb is written in Python and is released as open source project under the \nGNU GENERAL PUBLIC LICENSE (GPL). All source code and documentation are\nCopyright Rdiffweb contributors.","Rdiffweb is actively developed by [IKUS Soft](https://www.ikus-soft.com/)\nsince November 2014.","The Rdiffweb source code is hosted on [Gitlab](https://gitlab.com/ikus-soft/rdiffweb)\nand mirrored to [Github](https://github.com/ikus060/rdiffweb).","The Rdiffweb website is https://rdiffweb.org/.","## Features","With its rich web interface Rdiffweb provide a notable list of features:"," * Browse your backup\n * Restore single file or multiple files as an archived\n * Users authentication via local database and LDAP\n * Users authorization\n * Email notification when backup is not successful\n * Configurable repository encoding\n * Configurable retention period\n * Backup statistics visualization using graphs\n * SSH Keys management\n * Disk quota visualization\n * File and folder deletion","## Demo","If you quickly want to check how Rdiffweb is behaving, you may try our demo server hosted on:","[https://rdiffweb-demo.ikus-soft.com/](https://rdiffweb-demo.ikus-soft.com/)","Use the following credential to login:"," * Username: admin\n * Password: admin123","## Installation & Docker usage","For detailed installation steps, read the [Installation documentation](https://www.ikus-soft.com/archive/rdiffweb/doc/latest/html/installation.html).","## Current Build Status","[](https://gitlab.com/ikus-soft/rdiffweb/pipelines)","## Download","You should read the [Documentation](https://www.ikus-soft.com/archive/rdiffweb/doc/latest/html/index.html) to properly install Rdiffweb in your environment.","**Docker**"," docker pull ikus060/rdiffweb\n \n**Debian**"," curl -L https://www.ikus-soft.com/archive/rdiffweb/public.key | apt-key add - \n echo \"deb https://nexus.ikus-soft.com/repository/apt-release-bullseye/ bullseye main\" > /etc/apt/sources.list.d/rdiffweb.list\n apt update\n apt install rdiffweb","**Pypi**"," pip install rdiffweb","## Support","### Mailing list","Rdiffweb users should use the [Rdiffweb mailing list](https://groups.google.com/forum/#!forum/rdiffweb).","### Bug Reports","Bug reports should be reported on the Rdiffweb Gitlab at https://gitlab.com/ikus-soft/rdiffweb/-/issues","### Professional support","Professional support for Rdiffweb is available by contacting [IKUS Soft](https://www.ikus-soft.com/en/support/#form).","# Changelog\n","## 2.4.8 (2022-09-26)","\nThis releases include a security fix. If you are using an earlier version, you should upgrade to this release immediately.","* Clean-up invalid path on error page\n* Limit username field length [CVE-2022-3290](https://nvd.nist.gov/vuln/detail/CVE-2022-3290)\n* Limit user's email field length [CVE-2022-3272](https://nvd.nist.gov/vuln/detail/CVE-2022-3272)\n* Limit user's root directory field length [CVE-2022-3295](https://nvd.nist.gov/vuln/detail/CVE-2022-3295)","* Limit SSH Key title field length [CVE-2022-3298](https://nvd.nist.gov/vuln/detail/CVE-2022-3298)","\n## 2.4.7 (2002-09-21)","This releases include a security fix. If you are using an earlier version, you should upgrade to this release immediately.","* Generate a new session on login and 2FA #220 [CVE-2022-3269](https://nvd.nist.gov/vuln/detail/CVE-2022-3269)\n* Mitigate CSRF on user's settings #221 [CVE-2022-3274](https://nvd.nist.gov/vuln/detail/CVE-2022-3274)","## 2.4.6 (2022-09-20)","This releases include a security fix. If you are using an earlier version, you should upgrade to this release immediately.","* Support MarkupSafe<3 for Debian bookworm\n* Mitigate CSRF on user's notification settings #216 [CVE-2022-3233](https://nvd.nist.gov/vuln/detail/CVE-2022-3233)\n* Mitigate CSRF on repository settings #217 [CVE-2022-3267](https://nvd.nist.gov/vuln/detail/CVE-2022-3267)\n* Use 'Secure' Attribute with Sensitive Cookie in HTTPS Session on HTTP Error #218 [CVE-2022-3174](https://nvd.nist.gov/vuln/detail/CVE-2022-3174)","## 2.4.5 (2002-09-16)","This releases include a security fix. If you are using an earlier version, you should upgrade to this release immediately.","* Mitigate CSRF on repository deletion and user deletion [CVE-2022-3232](https://nvd.nist.gov/vuln/detail/CVE-2022-3232) #214 #215","## 2.4.4 (2002-09-15)","This releases include a security fix. If you are using an earlier version, you should upgrade to this release immediately.","* Use `X-Real-IP` to identify client IP address to mitigate Brute-Force attack #213","## 2.4.3 (2022-09-14)","This releases include a security fix. If you are using an earlier version, you should upgrade to this release immediately.","* Mitigate CSRF in profile's SSH Keys [CVE-2022-3221](https://nvd.nist.gov/vuln/detail/CVE-2022-3221) #212","## 2.4.2 (2022-09-12)","This releases include a security fix. If you are using an earlier version, you should upgrade to this release immediately.","* Use 'Secure' Attribute with Sensitive Cookie in HTTPS Session. [CVE-2022-3174](https://nvd.nist.gov/vuln/detail/CVE-2022-3174) #209\n* Avoid leakage of the stack trace in the default error page. [CVE-2022-3175](https://nvd.nist.gov/vuln/detail/CVE-2022-3175) #210\n* Enforce minimum and maximum password length [CVE-2022-3175](https://nvd.nist.gov/vuln/detail/CVE-2022-3179) #211","## 2.4.1 (2022-09-08)","This releases include a security fix. If you are using an earlier version, you should upgrade to this release immediately.","* Add Clickjacking Defense [CVE-2022-3167](https://nvd.nist.gov/vuln/detail/CVE-2022-3167)\n* Drop Ubuntu Hirsute & Impish (End-of-life)","## 2.4.0 (2022-06-21)","This new release brings a lot of improvement since the last version, multiple bug fixes\nto make the application stable. A couple of new features to improve the overall\nusability and a new security feature to block a brute force attack.","* Add RateLimit to login page and API to mitigate robots attacks #167\n* Send email notification only if `email-sender` option is defined to avoid raising exception in logs #176\n* Support file restore cancellation without leaving `rdiffweb-restore` process in `<defunct>` state #174\n* Replace `python-ldap` by `ldap3` a pure python implementation to avoid dependencies on `sasl` and `ldap` binaries #186\n* Reffactor core module to allow better extendability and reusability #183\n* Add support for Debian Bookworm #180\n* Add support for Ubuntu Impish #175\n* Add rdiff-backup version to administration view\n* Run unit test during Debian build package\n* Refresh repository list automatically when required #188 #189\n* Fix error 500 displayed in status page #191\n* Improve repository browsing speed by minimizing the number of I/O call #192\n* Publish Docker image directly to DockerHub #144","Breaking changes:","* Ldap Password changes is not supported anymore.\n* Ldap Check Shadow expire config is not supported anymore. It should be replace by a custom filter.\n* Drop CentOS 7 and CentOS 8 support","## 2.3.9 (2022-01-05)","Maintenance release to fix minor issues","* Improve date parsing for `backup.log` to avoid printing exception in logs #170\n* Return HTTP error 403 for invalid symlink to avoid returning a misleading HTTP 500 Server Error #168\n* Show a user friendly error message when trying to create a new user with an existing username #169\n* Handle repository without last-backup date during the notification process to ensure notifications are sent #171\n* Replace CherryPy `storage_type` by `storage_class` to avoid warning in logs\n* Update code to avoid deprecation warning where applicable\n* Add Flake8 validation to improve code quality\n* Remove Ubuntu Groovy support","## 2.3.8 (2021-12-01)","* Push all artefacts to nexus server including binaries and documentation\n* Fix `Chart.js` loading on Debian bullseye #164\n* Update installation steps documentation\n* Improve LDAP authentication to lookup entire directory\n* Fix usage of `--ldap-add-user-default-userroot` to avoid error related to wrong encoding\n* Improve authentication mechanics\n* Avoid raising an HTTP error 500 when login form receive invalid payload\n* Mitigate open redirect vulnerability in login form","## 2.3.7 (2021-10-21)"," * To avoid backward compatibility issue, revert CSRF Token validation\n * Mitigate CSRF vulnerability using cookies with `SameSite=Lax`\n * Mitigate CSRF vulnerability by validating the `Origin` header when a form is submited\n * Improve usage of WTForm for all form validation\n * Update installation stepd for debian #162\n * Build Ubuntu packages and publish them to our APT repo","## 2.3.6 (2021-10-20)"," * Broken build","## 2.3.5 (2021-10-18)"," * Mitigate CSRF vulnerability to user, ssh and repo management with CSRF Token","## 2.3.4 (2021-09-20)"," * Skip email notification if `email-host` configuration is not provided #157\n * Skip email notification when the new attribute value has the same value #159\n * USE LDAP `mail` attribute when creating new user from LDAP directory #156","## 2.3.3 (2021-09-10)"," * Provide a new theme `blue` to match IKUS Soft colors #158","## 2.3.2 (2021-09-07)"," * Automatically update user's repository list based on user's home directory","## 2.3.1 (2021-07-14)"," * Update default `session-dir` location to `/var/lib/rdiffweb/session` to avoid using `/var/run` #148","## 2.3.0 (2021-07-06)"," * Improve timezone handling to display date with local timezone using javascript #143\n * Improve charts by replacing d3js by chartkick #122\n * Replace the status view by something meaningful with chartkick #122\n * Provide Docker image with Rdiffweb `docker pull ikus060/rdiffweb` #55\n * Fix file and folder sorting #143","## 2.2.0 (2021-05-11)\n \n * Debian package:\n * Add rdiff-backup as dependencies to comply with Debian packaging rules\n * Multiple other fixed to control files\n * Use debhelper-compat (= 13)\n * Use debhelper-compat (= 13)\n * Run test during packaging\n * Create default folder `/var/run/rdiffweb/sessions` to store user session\n * Use ConfigArgPare for configuration to support configuration file, environment variables and arguments to configure rdiffweb #114\n * Fix cache in localization module\n * Add `ldap-add-default-role` and `ldap-add-default-userroot` option to define default value for role and user root when creating user from LDAP #125\n * Support PostgreSQL database by replacing our storage layer by SQLAlchemy #126\n * Fix to retrieve user quota only for valid user_root #135\n * Add option `disable-ssh-keys` to disable SSH Key management\n * Use absolute URL everywhere\n * Add support for `X-Forwarded-For`, `X-Forwarded-proto` and other reverse proxy header when generating absolute URL\n * Drop Debian Stretch support\n * Implement a new background scheduler using apscheduler #82\n * Use background job to send email notification to avoid blocking web page loading #47\n * Use background job to delete repository to avoid blocking web page loading #48\n * Allow deleting a specific file or folder from the history using `rdiff-backup-delete` #128\n * Improve support for `session-dir` #131\n * Add option `admin-password` to define administrator password for better security\n * Improve performance of repository browsing \n * Add a new view to display logs of a specific repository\n * Allow downloading the log\n * Define a default limit to graph statistics to make it display faster\n * Fix `get-quota-cmd` option to properly return a value","## 2.1.0 (2021-01-15)","* Debian package: Remove dh-systemd from Debian build dependencies (https://bugs.debian.org/871312we)\n* Improve Quota management:\n * `QuotaSetCmd`, `QuotaGetCmd` and `QuotaUsedCmd` options could be used to customize how to set the quota for your environment.\n * Display user's quota in User View\n * Display user's quota in Admin View\n * Allow admin to update user quota from Admin View when `QuotaSetCmd` is defined.\n * Allow admin to define user quota using human readable value (e.g.: GiB, TiB, etc.)\n * Improve logging around quota management\n* Improve robustness when service is starting\n* Improve robustness when repository has wrong permission defined (e.g.: when some files not readable)\n* Add user id in Admin view\n* Replace `UserObject(1)` by the actual username in log file to improve debugging","## 2.0.0 (2020-12-04)","* Re-implement logic to update repositories views to remove duplicates and avoid nesting repo. #107\n* Handle elapsed time of days in the graph. Thanks [Nathaniel van Diepen](https://github.com/Eeems) contributions.\n* Rebrand all link to ikus-soft.com\n* Update documentation to install rdiffweb\n* Remove obsolete minify dependency\n* Drop support for python2\n* Provide null translation if translation catalogues are not found\n* Pass a LANG environment variable to rdiff-backup restore process to fix encoding issue #112\n* Remove obsolete python shebang\n* Remove execution bit (+x) on python modules\n* Provide `--help` and `--version` on `rdiffweb` executable\n* Improve cherrypy version detection\n* Do not update translation files (.mo) during build","## 1.5.0 (2020-06-24)","This minor release introduce official support of rdiffweb on Debian Bullseye. It also includes some usability improvements."," * Change formatting of Last Backup date for \"Updated 3 weeks ago\" to ease the readability\n * Add support for Debian Bullseye\n * Add support for Python 3.8 (#104)\n * Add warning in the users list view when a root directory is invalid (#30)\n * Add options to control search depthness (#1)\n * Print a warning in the log when the \"DefaultTheme\" value is not valid (#90)","## 1.4.0 (2020-05-20)","Thanks to our sponsor, this release introduce a feature to have better control over the user's permission by defining 3 different levels of privilege: Admin, Maintainer and User. This addition allows you to have better control on what your users can or can't do."," * Fix single repository discovery when a user's home is a rdiff-backup repository\n * [SPONSORED] Add a new setting at the user level to define the user's role. Admin,\n Maintainer and User. Admin are allowed to do everything. Maintainer are\n allow to browse and delete repo. Users are only allowed to browse. #94\n * Add \"Powered by\" in the web interface footer #91\n * Display a nice error message when trying to delete admin user #93\n * Introduce usage of wtforms and flash in admin users for better form validation. #96 #97\n * Update French translation","## 1.3.2 (2020-04-23)","This minor releases fixed issues found while testing release 1.3.0."," * Fix lookup of executable rdiff-backup and rdiffweb-restore to search in current virtualenv first\n * Fix repository view when multiple repo path are conflicting\n * Fix logging of rdiffweb-restore subprocess","## 1.3.1 (2020-04-10)","This minor release enforces security of the password stored in rdiffweb database to make use of a better encryption using SSHA.\nOnly new passwords will make use of the SSHA scheme."," * Enforce password encryption by using SSHA scheme #88","## 1.3.0 (2020-04-07)","This release focuses on improving the restore of big archives. The download should be much faster to start. Major enhancement was made to offload the processing outside the web server. And all of this is still compatible with rdiff-backup v1.2.8 and the latest v2.0.0."," * Restore file and folder in a subprocess to make the download start faster\n * Fix encoding of archive on Python3.6 (CentOS 7) by using PAX format\n * Add support to restore files and folders using rdiff-backup2\n * Remove obsolete dependencies `pysqlite2`\n * Fix issue creating duplicate entries of repository in the database","## 1.2.2 (2020-03-05)","This release provides little improvement to the v1.2.x including official support of rdiff-backup v2.0.0."," * Enhance the repository to invite users to refresh the repository when the view is empty.\n * Support rdiff-backup v2.0.0\n * Deprecate support for cherrypy 4, 5, 6 and 7\n * Improve loading of repository data (cache status and entries)\n * Restore compatibility with SQLite 3.7 (CentOS7)","Known issues:"," * Filename encoding in tar.gz and zip file might not be accurate if you are running Python 3.6 (CentOS7)","\n## 1.2.1 (2020-02-08)","Little bug fix following the previous release"," * Fix 404 error when trying to access other users repo as admin\n * Fix logging format for cherrypy logs to matches rdiffweb format\n * Add log rotation by default","## 1.2.0 (2020-01-30)","This release focus on improving the database layers for better extendability to add more type of data and to support more databases backend like postgresql in the near future."," * Add explicit testing for Debian Stretch & Buster\n * Change the persistence layers\n * Minimize number of SQL queries\n * Add object lazy loading\n * Add object data caching\n * Fix bugs with SQLite <= 3.16 (Debian Stretch)","## 1.1.0 (2019-10-31)","This release focus on improving the admin area and building the fundation for repository access control list (ACL)."," * Update documentation from PDSL web site\n * Improve the navigation bar layout\n * Update the login page headline\n * Update jinja2 version to allow 2.10.x\n * Show server log in admin area\n * Reduce code smell\n * Add System information in admin area\n * Validate credential using local database before LDAP\n * Reffactoring templates macros\n * Enhance user's view search bar\n * Change repository URL to username/repopath\n * Add System information in admin area\n * Improve testcases\n * Clean-up obsolete code\n * Fix issue with captital case encoding name\n * Fix compilation of less files\n * Fix google font import","## 1.0.3 (2019-10-04)\n * Removing the auto update repos","## 1.0.2 (2019-10-01)\n * Create \"admin\" user if missing\n * Update french translation","## 1.0.1 (2019-09-22)\n * Update installation documentation \n * Fix removal of SSH Key\n * Return meaningful error to the user trying to add an existing SSH key","## 1.0.0 (2019-09-11)\n * Make repository removal more robust\n * Improve performance of librdiff\n * Add new RESTful api\n * Return the right HTTP 401 or 402 error code for authentication\n * Fix bug introduce by upgrade to Jinja2 + python3\n * Store ssh keys in database and disk\n * Add support for theme (default, orange)\n * Remove deprecated profiling code\n * Add disk usage support / quota\n * Add support of cherrypy v18\n * Drop support of cherrypy v3.2.2\n * Add wsgi entry point\n * Replace the plugins architecture to ease implementation\n * Numerous bug fixes","## 0.10.9 (2019-05-22)\n * Better error handling when error.log file are not valid gzip file"],"string":"[\n \"\",\n \"<p align=\\\"center\\\">\\n<strong>\\n<a href=\\\"https://www.rdiffweb.org\\\">website</a>\\n• <a href=\\\"https://www.ikus-soft.com/archive/rdiffweb/doc/latest/html/\\\">docs</a>\\n• <a href=\\\"https://groups.google.com/d/forum/rdiffweb\\\">community</a>\\n• <a href=\\\"https://rdiffweb-demo.ikus-soft.com/\\\">demo</a>\\n</strong>\\n</p>\",\n \"<p align=\\\"center\\\">\\n<a href=\\\"LICENSE\\\"><img alt=\\\"License\\\" src=\\\"https://img.shields.io/github/license/ikus060/rdiffweb\\\"></a>\\n<a href=\\\"https://gitlab.com/ikus-soft/rdiffweb/pipelines\\\"><img alt=\\\"Build\\\" src=\\\"https://gitlab.com/ikus-soft/rdiffweb/badges/master/pipeline.svg\\\"></a>\\n<a href=\\\"https://sonar.ikus-soft.com/dashboard?id=rdiffweb\\\"><img alt=\\\"Quality Gate Minarca Client\\\" src=\\\"https://sonar.ikus-soft.com/api/project_badges/measure?project=rdiffweb&metric=alert_status\\\"></a>\\n<a href=\\\"https://sonar.ikus-soft.com/dashboard?id=rdiffweb\\\"><img alt=\\\"Coverage\\\" src=\\\"https://sonar.ikus-soft.com/api/project_badges/measure?project=rdiffweb&metric=coverage\\\"></a>\\n</p>\",\n \"<h1 align=\\\"center\\\">\\nWelcome to Rdiffweb\\n</h1>\",\n \"Rdiffweb is a web application that allows you to view repositories generated\\nby [rdiff-backup](https://rdiff-backup.net/). The purpose of this\\napplication is to ease the management of backups and quickly restore your data\\nwith a rich and powerful web interface.\",\n \"Rdiffweb is written in Python and is released as open source project under the \\nGNU GENERAL PUBLIC LICENSE (GPL). All source code and documentation are\\nCopyright Rdiffweb contributors.\",\n \"Rdiffweb is actively developed by [IKUS Soft](https://www.ikus-soft.com/)\\nsince November 2014.\",\n \"The Rdiffweb source code is hosted on [Gitlab](https://gitlab.com/ikus-soft/rdiffweb)\\nand mirrored to [Github](https://github.com/ikus060/rdiffweb).\",\n \"The Rdiffweb website is https://rdiffweb.org/.\",\n \"## Features\",\n \"With its rich web interface Rdiffweb provide a notable list of features:\",\n \" * Browse your backup\\n * Restore single file or multiple files as an archived\\n * Users authentication via local database and LDAP\\n * Users authorization\\n * Email notification when backup is not successful\\n * Configurable repository encoding\\n * Configurable retention period\\n * Backup statistics visualization using graphs\\n * SSH Keys management\\n * Disk quota visualization\\n * File and folder deletion\",\n \"## Demo\",\n \"If you quickly want to check how Rdiffweb is behaving, you may try our demo server hosted on:\",\n \"[https://rdiffweb-demo.ikus-soft.com/](https://rdiffweb-demo.ikus-soft.com/)\",\n \"Use the following credential to login:\",\n \" * Username: admin\\n * Password: admin123\",\n \"## Installation & Docker usage\",\n \"For detailed installation steps, read the [Installation documentation](https://www.ikus-soft.com/archive/rdiffweb/doc/latest/html/installation.html).\",\n \"## Current Build Status\",\n \"[](https://gitlab.com/ikus-soft/rdiffweb/pipelines)\",\n \"## Download\",\n \"You should read the [Documentation](https://www.ikus-soft.com/archive/rdiffweb/doc/latest/html/index.html) to properly install Rdiffweb in your environment.\",\n \"**Docker**\",\n \" docker pull ikus060/rdiffweb\\n \\n**Debian**\",\n \" curl -L https://www.ikus-soft.com/archive/rdiffweb/public.key | apt-key add - \\n echo \\\"deb https://nexus.ikus-soft.com/repository/apt-release-bullseye/ bullseye main\\\" > /etc/apt/sources.list.d/rdiffweb.list\\n apt update\\n apt install rdiffweb\",\n \"**Pypi**\",\n \" pip install rdiffweb\",\n \"## Support\",\n \"### Mailing list\",\n \"Rdiffweb users should use the [Rdiffweb mailing list](https://groups.google.com/forum/#!forum/rdiffweb).\",\n \"### Bug Reports\",\n \"Bug reports should be reported on the Rdiffweb Gitlab at https://gitlab.com/ikus-soft/rdiffweb/-/issues\",\n \"### Professional support\",\n \"Professional support for Rdiffweb is available by contacting [IKUS Soft](https://www.ikus-soft.com/en/support/#form).\",\n \"# Changelog\\n\",\n \"## 2.4.8 (2022-09-26)\",\n \"\\nThis releases include a security fix. If you are using an earlier version, you should upgrade to this release immediately.\",\n \"* Clean-up invalid path on error page\\n* Limit username field length [CVE-2022-3290](https://nvd.nist.gov/vuln/detail/CVE-2022-3290)\\n* Limit user's email field length [CVE-2022-3272](https://nvd.nist.gov/vuln/detail/CVE-2022-3272)\\n* Limit user's root directory field length [CVE-2022-3295](https://nvd.nist.gov/vuln/detail/CVE-2022-3295)\",\n \"* Limit SSH Key title field length [CVE-2022-3298](https://nvd.nist.gov/vuln/detail/CVE-2022-3298)\",\n \"\\n## 2.4.7 (2002-09-21)\",\n \"This releases include a security fix. If you are using an earlier version, you should upgrade to this release immediately.\",\n \"* Generate a new session on login and 2FA #220 [CVE-2022-3269](https://nvd.nist.gov/vuln/detail/CVE-2022-3269)\\n* Mitigate CSRF on user's settings #221 [CVE-2022-3274](https://nvd.nist.gov/vuln/detail/CVE-2022-3274)\",\n \"## 2.4.6 (2022-09-20)\",\n \"This releases include a security fix. If you are using an earlier version, you should upgrade to this release immediately.\",\n \"* Support MarkupSafe<3 for Debian bookworm\\n* Mitigate CSRF on user's notification settings #216 [CVE-2022-3233](https://nvd.nist.gov/vuln/detail/CVE-2022-3233)\\n* Mitigate CSRF on repository settings #217 [CVE-2022-3267](https://nvd.nist.gov/vuln/detail/CVE-2022-3267)\\n* Use 'Secure' Attribute with Sensitive Cookie in HTTPS Session on HTTP Error #218 [CVE-2022-3174](https://nvd.nist.gov/vuln/detail/CVE-2022-3174)\",\n \"## 2.4.5 (2002-09-16)\",\n \"This releases include a security fix. If you are using an earlier version, you should upgrade to this release immediately.\",\n \"* Mitigate CSRF on repository deletion and user deletion [CVE-2022-3232](https://nvd.nist.gov/vuln/detail/CVE-2022-3232) #214 #215\",\n \"## 2.4.4 (2002-09-15)\",\n \"This releases include a security fix. If you are using an earlier version, you should upgrade to this release immediately.\",\n \"* Use `X-Real-IP` to identify client IP address to mitigate Brute-Force attack #213\",\n \"## 2.4.3 (2022-09-14)\",\n \"This releases include a security fix. If you are using an earlier version, you should upgrade to this release immediately.\",\n \"* Mitigate CSRF in profile's SSH Keys [CVE-2022-3221](https://nvd.nist.gov/vuln/detail/CVE-2022-3221) #212\",\n \"## 2.4.2 (2022-09-12)\",\n \"This releases include a security fix. If you are using an earlier version, you should upgrade to this release immediately.\",\n \"* Use 'Secure' Attribute with Sensitive Cookie in HTTPS Session. [CVE-2022-3174](https://nvd.nist.gov/vuln/detail/CVE-2022-3174) #209\\n* Avoid leakage of the stack trace in the default error page. [CVE-2022-3175](https://nvd.nist.gov/vuln/detail/CVE-2022-3175) #210\\n* Enforce minimum and maximum password length [CVE-2022-3175](https://nvd.nist.gov/vuln/detail/CVE-2022-3179) #211\",\n \"## 2.4.1 (2022-09-08)\",\n \"This releases include a security fix. If you are using an earlier version, you should upgrade to this release immediately.\",\n \"* Add Clickjacking Defense [CVE-2022-3167](https://nvd.nist.gov/vuln/detail/CVE-2022-3167)\\n* Drop Ubuntu Hirsute & Impish (End-of-life)\",\n \"## 2.4.0 (2022-06-21)\",\n \"This new release brings a lot of improvement since the last version, multiple bug fixes\\nto make the application stable. A couple of new features to improve the overall\\nusability and a new security feature to block a brute force attack.\",\n \"* Add RateLimit to login page and API to mitigate robots attacks #167\\n* Send email notification only if `email-sender` option is defined to avoid raising exception in logs #176\\n* Support file restore cancellation without leaving `rdiffweb-restore` process in `<defunct>` state #174\\n* Replace `python-ldap` by `ldap3` a pure python implementation to avoid dependencies on `sasl` and `ldap` binaries #186\\n* Reffactor core module to allow better extendability and reusability #183\\n* Add support for Debian Bookworm #180\\n* Add support for Ubuntu Impish #175\\n* Add rdiff-backup version to administration view\\n* Run unit test during Debian build package\\n* Refresh repository list automatically when required #188 #189\\n* Fix error 500 displayed in status page #191\\n* Improve repository browsing speed by minimizing the number of I/O call #192\\n* Publish Docker image directly to DockerHub #144\",\n \"Breaking changes:\",\n \"* Ldap Password changes is not supported anymore.\\n* Ldap Check Shadow expire config is not supported anymore. It should be replace by a custom filter.\\n* Drop CentOS 7 and CentOS 8 support\",\n \"## 2.3.9 (2022-01-05)\",\n \"Maintenance release to fix minor issues\",\n \"* Improve date parsing for `backup.log` to avoid printing exception in logs #170\\n* Return HTTP error 403 for invalid symlink to avoid returning a misleading HTTP 500 Server Error #168\\n* Show a user friendly error message when trying to create a new user with an existing username #169\\n* Handle repository without last-backup date during the notification process to ensure notifications are sent #171\\n* Replace CherryPy `storage_type` by `storage_class` to avoid warning in logs\\n* Update code to avoid deprecation warning where applicable\\n* Add Flake8 validation to improve code quality\\n* Remove Ubuntu Groovy support\",\n \"## 2.3.8 (2021-12-01)\",\n \"* Push all artefacts to nexus server including binaries and documentation\\n* Fix `Chart.js` loading on Debian bullseye #164\\n* Update installation steps documentation\\n* Improve LDAP authentication to lookup entire directory\\n* Fix usage of `--ldap-add-user-default-userroot` to avoid error related to wrong encoding\\n* Improve authentication mechanics\\n* Avoid raising an HTTP error 500 when login form receive invalid payload\\n* Mitigate open redirect vulnerability in login form\",\n \"## 2.3.7 (2021-10-21)\",\n \" * To avoid backward compatibility issue, revert CSRF Token validation\\n * Mitigate CSRF vulnerability using cookies with `SameSite=Lax`\\n * Mitigate CSRF vulnerability by validating the `Origin` header when a form is submited\\n * Improve usage of WTForm for all form validation\\n * Update installation stepd for debian #162\\n * Build Ubuntu packages and publish them to our APT repo\",\n \"## 2.3.6 (2021-10-20)\",\n \" * Broken build\",\n \"## 2.3.5 (2021-10-18)\",\n \" * Mitigate CSRF vulnerability to user, ssh and repo management with CSRF Token\",\n \"## 2.3.4 (2021-09-20)\",\n \" * Skip email notification if `email-host` configuration is not provided #157\\n * Skip email notification when the new attribute value has the same value #159\\n * USE LDAP `mail` attribute when creating new user from LDAP directory #156\",\n \"## 2.3.3 (2021-09-10)\",\n \" * Provide a new theme `blue` to match IKUS Soft colors #158\",\n \"## 2.3.2 (2021-09-07)\",\n \" * Automatically update user's repository list based on user's home directory\",\n \"## 2.3.1 (2021-07-14)\",\n \" * Update default `session-dir` location to `/var/lib/rdiffweb/session` to avoid using `/var/run` #148\",\n \"## 2.3.0 (2021-07-06)\",\n \" * Improve timezone handling to display date with local timezone using javascript #143\\n * Improve charts by replacing d3js by chartkick #122\\n * Replace the status view by something meaningful with chartkick #122\\n * Provide Docker image with Rdiffweb `docker pull ikus060/rdiffweb` #55\\n * Fix file and folder sorting #143\",\n \"## 2.2.0 (2021-05-11)\\n \\n * Debian package:\\n * Add rdiff-backup as dependencies to comply with Debian packaging rules\\n * Multiple other fixed to control files\\n * Use debhelper-compat (= 13)\\n * Use debhelper-compat (= 13)\\n * Run test during packaging\\n * Create default folder `/var/run/rdiffweb/sessions` to store user session\\n * Use ConfigArgPare for configuration to support configuration file, environment variables and arguments to configure rdiffweb #114\\n * Fix cache in localization module\\n * Add `ldap-add-default-role` and `ldap-add-default-userroot` option to define default value for role and user root when creating user from LDAP #125\\n * Support PostgreSQL database by replacing our storage layer by SQLAlchemy #126\\n * Fix to retrieve user quota only for valid user_root #135\\n * Add option `disable-ssh-keys` to disable SSH Key management\\n * Use absolute URL everywhere\\n * Add support for `X-Forwarded-For`, `X-Forwarded-proto` and other reverse proxy header when generating absolute URL\\n * Drop Debian Stretch support\\n * Implement a new background scheduler using apscheduler #82\\n * Use background job to send email notification to avoid blocking web page loading #47\\n * Use background job to delete repository to avoid blocking web page loading #48\\n * Allow deleting a specific file or folder from the history using `rdiff-backup-delete` #128\\n * Improve support for `session-dir` #131\\n * Add option `admin-password` to define administrator password for better security\\n * Improve performance of repository browsing \\n * Add a new view to display logs of a specific repository\\n * Allow downloading the log\\n * Define a default limit to graph statistics to make it display faster\\n * Fix `get-quota-cmd` option to properly return a value\",\n \"## 2.1.0 (2021-01-15)\",\n \"* Debian package: Remove dh-systemd from Debian build dependencies (https://bugs.debian.org/871312we)\\n* Improve Quota management:\\n * `QuotaSetCmd`, `QuotaGetCmd` and `QuotaUsedCmd` options could be used to customize how to set the quota for your environment.\\n * Display user's quota in User View\\n * Display user's quota in Admin View\\n * Allow admin to update user quota from Admin View when `QuotaSetCmd` is defined.\\n * Allow admin to define user quota using human readable value (e.g.: GiB, TiB, etc.)\\n * Improve logging around quota management\\n* Improve robustness when service is starting\\n* Improve robustness when repository has wrong permission defined (e.g.: when some files not readable)\\n* Add user id in Admin view\\n* Replace `UserObject(1)` by the actual username in log file to improve debugging\",\n \"## 2.0.0 (2020-12-04)\",\n \"* Re-implement logic to update repositories views to remove duplicates and avoid nesting repo. #107\\n* Handle elapsed time of days in the graph. Thanks [Nathaniel van Diepen](https://github.com/Eeems) contributions.\\n* Rebrand all link to ikus-soft.com\\n* Update documentation to install rdiffweb\\n* Remove obsolete minify dependency\\n* Drop support for python2\\n* Provide null translation if translation catalogues are not found\\n* Pass a LANG environment variable to rdiff-backup restore process to fix encoding issue #112\\n* Remove obsolete python shebang\\n* Remove execution bit (+x) on python modules\\n* Provide `--help` and `--version` on `rdiffweb` executable\\n* Improve cherrypy version detection\\n* Do not update translation files (.mo) during build\",\n \"## 1.5.0 (2020-06-24)\",\n \"This minor release introduce official support of rdiffweb on Debian Bullseye. It also includes some usability improvements.\",\n \" * Change formatting of Last Backup date for \\\"Updated 3 weeks ago\\\" to ease the readability\\n * Add support for Debian Bullseye\\n * Add support for Python 3.8 (#104)\\n * Add warning in the users list view when a root directory is invalid (#30)\\n * Add options to control search depthness (#1)\\n * Print a warning in the log when the \\\"DefaultTheme\\\" value is not valid (#90)\",\n \"## 1.4.0 (2020-05-20)\",\n \"Thanks to our sponsor, this release introduce a feature to have better control over the user's permission by defining 3 different levels of privilege: Admin, Maintainer and User. This addition allows you to have better control on what your users can or can't do.\",\n \" * Fix single repository discovery when a user's home is a rdiff-backup repository\\n * [SPONSORED] Add a new setting at the user level to define the user's role. Admin,\\n Maintainer and User. Admin are allowed to do everything. Maintainer are\\n allow to browse and delete repo. Users are only allowed to browse. #94\\n * Add \\\"Powered by\\\" in the web interface footer #91\\n * Display a nice error message when trying to delete admin user #93\\n * Introduce usage of wtforms and flash in admin users for better form validation. #96 #97\\n * Update French translation\",\n \"## 1.3.2 (2020-04-23)\",\n \"This minor releases fixed issues found while testing release 1.3.0.\",\n \" * Fix lookup of executable rdiff-backup and rdiffweb-restore to search in current virtualenv first\\n * Fix repository view when multiple repo path are conflicting\\n * Fix logging of rdiffweb-restore subprocess\",\n \"## 1.3.1 (2020-04-10)\",\n \"This minor release enforces security of the password stored in rdiffweb database to make use of a better encryption using SSHA.\\nOnly new passwords will make use of the SSHA scheme.\",\n \" * Enforce password encryption by using SSHA scheme #88\",\n \"## 1.3.0 (2020-04-07)\",\n \"This release focuses on improving the restore of big archives. The download should be much faster to start. Major enhancement was made to offload the processing outside the web server. And all of this is still compatible with rdiff-backup v1.2.8 and the latest v2.0.0.\",\n \" * Restore file and folder in a subprocess to make the download start faster\\n * Fix encoding of archive on Python3.6 (CentOS 7) by using PAX format\\n * Add support to restore files and folders using rdiff-backup2\\n * Remove obsolete dependencies `pysqlite2`\\n * Fix issue creating duplicate entries of repository in the database\",\n \"## 1.2.2 (2020-03-05)\",\n \"This release provides little improvement to the v1.2.x including official support of rdiff-backup v2.0.0.\",\n \" * Enhance the repository to invite users to refresh the repository when the view is empty.\\n * Support rdiff-backup v2.0.0\\n * Deprecate support for cherrypy 4, 5, 6 and 7\\n * Improve loading of repository data (cache status and entries)\\n * Restore compatibility with SQLite 3.7 (CentOS7)\",\n \"Known issues:\",\n \" * Filename encoding in tar.gz and zip file might not be accurate if you are running Python 3.6 (CentOS7)\",\n \"\\n## 1.2.1 (2020-02-08)\",\n \"Little bug fix following the previous release\",\n \" * Fix 404 error when trying to access other users repo as admin\\n * Fix logging format for cherrypy logs to matches rdiffweb format\\n * Add log rotation by default\",\n \"## 1.2.0 (2020-01-30)\",\n \"This release focus on improving the database layers for better extendability to add more type of data and to support more databases backend like postgresql in the near future.\",\n \" * Add explicit testing for Debian Stretch & Buster\\n * Change the persistence layers\\n * Minimize number of SQL queries\\n * Add object lazy loading\\n * Add object data caching\\n * Fix bugs with SQLite <= 3.16 (Debian Stretch)\",\n \"## 1.1.0 (2019-10-31)\",\n \"This release focus on improving the admin area and building the fundation for repository access control list (ACL).\",\n \" * Update documentation from PDSL web site\\n * Improve the navigation bar layout\\n * Update the login page headline\\n * Update jinja2 version to allow 2.10.x\\n * Show server log in admin area\\n * Reduce code smell\\n * Add System information in admin area\\n * Validate credential using local database before LDAP\\n * Reffactoring templates macros\\n * Enhance user's view search bar\\n * Change repository URL to username/repopath\\n * Add System information in admin area\\n * Improve testcases\\n * Clean-up obsolete code\\n * Fix issue with captital case encoding name\\n * Fix compilation of less files\\n * Fix google font import\",\n \"## 1.0.3 (2019-10-04)\\n * Removing the auto update repos\",\n \"## 1.0.2 (2019-10-01)\\n * Create \\\"admin\\\" user if missing\\n * Update french translation\",\n \"## 1.0.1 (2019-09-22)\\n * Update installation documentation \\n * Fix removal of SSH Key\\n * Return meaningful error to the user trying to add an existing SSH key\",\n \"## 1.0.0 (2019-09-11)\\n * Make repository removal more robust\\n * Improve performance of librdiff\\n * Add new RESTful api\\n * 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Determine whether the {function_name} code is vulnerable or not. | [
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Determine whether the {function_name} code is vulnerable or not. | [
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Determine whether the {function_name} code is vulnerable or not. | [
"/* user_defined.c: user defined key type\n *\n * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.\n * Written by David Howells (dhowells@redhat.com)\n *\n * This program is free software; you can redistribute it and/or\n * modify it under the terms of the GNU General Public License\n * as published by the Fre... | [
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Determine whether the {function_name} code is vulnerable or not. | [
"/* user_defined.c: user defined key type\n *\n * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.\n * Written by David Howells (dhowells@redhat.com)\n *\n * This program is free software; you can redistribute it and/or\n * modify it under the terms of the GNU General Public License\n * as published by the Fre... | [
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Determine whether the {function_name} code is vulnerable or not. | [
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Determine whether the {function_name} code is vulnerable or not. | [
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Determine whether the {function_name} code is vulnerable or not. | [
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Determine whether the {function_name} code is vulnerable or not. | [
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Determine whether the {function_name} code is vulnerable or not. | [
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Determine whether the {function_name} code is vulnerable or not. | [
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Determine whether the {function_name} code is vulnerable or not. | [
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Determine whether the {function_name} code is vulnerable or not. | [
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [1109], "buggy_code_start_loc": [53], "filenames": ["core/htmldataprocessor.js"], "fixing_code_end_loc": [1122], "fixing_code_start_loc": [53], "message": "CKEditor4 is an open source what-you-see-is-what-you-get HTML editor. A vulnerability has been discovered in the core HTML processing module ... | 839 |
Determine whether the {function_name} code is vulnerable or not. | [
"/*\n\tgd_bmp.c",
"\tBitmap format support for libgd",
"\t* Written 2007, Scott MacVicar\n\t---------------------------------------------------------------------------",
"\tTodo:",
"\tBitfield encoding",
"\t----------------------------------------------------------------------------\n */",
"/**\n * File... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
0,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
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1,
1,
1,
1,
1,
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1,
1,
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1,
1,
1,
0,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
0,
1... | PreciseBugs | {"buggy_code_end_loc": [339, 231], "buggy_code_start_loc": [32, 230], "filenames": ["src/gd_bmp.c", "src/gd_webp.c"], "fixing_code_end_loc": [347, 237], "fixing_code_start_loc": [33, 230], "message": "The GD Graphics Library (aka LibGD) through 2.3.2 has an out-of-bounds read because of the lack of certain gdGetBuf and... | 840 |
Determine whether the {function_name} code is vulnerable or not. | [
"/*\n\tgd_bmp.c",
"\tBitmap format support for libgd",
"\t* Written 2007, Scott MacVicar\n\t---------------------------------------------------------------------------",
"\tTodo:",
"\tBitfield encoding",
"\t----------------------------------------------------------------------------\n */",
"/**\n * File... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
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1,
1,
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [339, 231], "buggy_code_start_loc": [32, 230], "filenames": ["src/gd_bmp.c", "src/gd_webp.c"], "fixing_code_end_loc": [347, 237], "fixing_code_start_loc": [33, 230], "message": "The GD Graphics Library (aka LibGD) through 2.3.2 has an out-of-bounds read because of the lack of certain gdGetBuf and... | 840 |
Determine whether the {function_name} code is vulnerable or not. | [
"/**\n * File: WebP IO\n *\n * Read and write WebP images.\n */",
"#ifdef HAVE_CONFIG_H\n#include \"config.h\"\n#endif /* HAVE_CONFIG_H */",
"\n#include <stdio.h>\n#include <math.h>\n#include <string.h>\n#include <stdlib.h>\n#include \"gd.h\"\n#include \"gd_errors.h\"\n#include \"gdhelpers.h\"",
"#ifdef HAVE_... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
0,
1,
0,
1,
1,
1,
1,
1,
1,
1,
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [339, 231], "buggy_code_start_loc": [32, 230], "filenames": ["src/gd_bmp.c", "src/gd_webp.c"], "fixing_code_end_loc": [347, 237], "fixing_code_start_loc": [33, 230], "message": "The GD Graphics Library (aka LibGD) through 2.3.2 has an out-of-bounds read because of the lack of certain gdGetBuf and... | 840 |
Determine whether the {function_name} code is vulnerable or not. | [
"/**\n * File: WebP IO\n *\n * Read and write WebP images.\n */",
"#ifdef HAVE_CONFIG_H\n#include \"config.h\"\n#endif /* HAVE_CONFIG_H */",
"\n#include <stdio.h>\n#include <math.h>\n#include <string.h>\n#include <stdlib.h>\n#include \"gd.h\"\n#include \"gd_errors.h\"\n#include \"gdhelpers.h\"",
"#ifdef HAVE_... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [339, 231], "buggy_code_start_loc": [32, 230], "filenames": ["src/gd_bmp.c", "src/gd_webp.c"], "fixing_code_end_loc": [347, 237], "fixing_code_start_loc": [33, 230], "message": "The GD Graphics Library (aka LibGD) through 2.3.2 has an out-of-bounds read because of the lack of certain gdGetBuf and... | 840 |
Determine whether the {function_name} code is vulnerable or not. | [
"<?php\n##################################################\n#\n# Copyright (c) 2004-2016 OIC Group, Inc.\n#\n# This file is part of Exponent\n#\n# Exponent is free software; you can redistribute\n# it and/or modify it under the terms of the GNU\n# General Public License as published by the Free\n# Software Foundati... | [
1,
1,
1,
1,
1,
0,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [57, 438, 514, 44, 1504, 34, 29], "buggy_code_start_loc": [56, 279, 512, 38, 1503, 28, 28], "filenames": ["framework/core/controllers/expController.php", "framework/core/expFramework.php", "framework/core/subsystems/expString.php", "framework/modules/file/controllers/fileController.php", "framewo... | 841 |
Determine whether the {function_name} code is vulnerable or not. | [
"<?php\n##################################################\n#\n# Copyright (c) 2004-2016 OIC Group, Inc.\n#\n# This file is part of Exponent\n#\n# Exponent is free software; you can redistribute\n# it and/or modify it under the terms of the GNU\n# General Public License as published by the Free\n# Software Foundati... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [57, 438, 514, 44, 1504, 34, 29], "buggy_code_start_loc": [56, 279, 512, 38, 1503, 28, 28], "filenames": ["framework/core/controllers/expController.php", "framework/core/expFramework.php", "framework/core/subsystems/expString.php", "framework/modules/file/controllers/fileController.php", "framewo... | 841 |
Determine whether the {function_name} code is vulnerable or not. | [
"<?php\n##################################################\n#\n# Copyright (c) 2004-2016 OIC Group, Inc.\n#\n# This file is part of Exponent\n#\n# Exponent is free software; you can redistribute\n# it and/or modify it under the terms of the GNU\n# General Public License as published by the Free\n# Software Foundati... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
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1,
1,
1,
1,
1,
1,
1,
0,
1,
1,
1,
1,
1,
1,
1,
1,
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0,
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1,
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1,
0,
1,
0,
1,
0,
1,
0,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [57, 438, 514, 44, 1504, 34, 29], "buggy_code_start_loc": [56, 279, 512, 38, 1503, 28, 28], "filenames": ["framework/core/controllers/expController.php", "framework/core/expFramework.php", "framework/core/subsystems/expString.php", "framework/modules/file/controllers/fileController.php", "framewo... | 841 |
Determine whether the {function_name} code is vulnerable or not. | [
"<?php\n##################################################\n#\n# Copyright (c) 2004-2016 OIC Group, Inc.\n#\n# This file is part of Exponent\n#\n# Exponent is free software; you can redistribute\n# it and/or modify it under the terms of the GNU\n# General Public License as published by the Free\n# Software Foundati... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [57, 438, 514, 44, 1504, 34, 29], "buggy_code_start_loc": [56, 279, 512, 38, 1503, 28, 28], "filenames": ["framework/core/controllers/expController.php", "framework/core/expFramework.php", "framework/core/subsystems/expString.php", "framework/modules/file/controllers/fileController.php", "framewo... | 841 |
Determine whether the {function_name} code is vulnerable or not. | [
"<?php\n##################################################\n#\n# Copyright (c) 2004-2016 OIC Group, Inc.\n#\n# This file is part of Exponent\n#\n# Exponent is free software; you can redistribute\n# it and/or modify it under the terms of the GNU\n# General Public License as published by the Free\n# Software Foundati... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
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1,
1,
1,
1,
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1,
1,
1,
1,
1,
1,
1,
1,
0,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [57, 438, 514, 44, 1504, 34, 29], "buggy_code_start_loc": [56, 279, 512, 38, 1503, 28, 28], "filenames": ["framework/core/controllers/expController.php", "framework/core/expFramework.php", "framework/core/subsystems/expString.php", "framework/modules/file/controllers/fileController.php", "framewo... | 841 |
Determine whether the {function_name} code is vulnerable or not. | [
"<?php\n##################################################\n#\n# Copyright (c) 2004-2016 OIC Group, Inc.\n#\n# This file is part of Exponent\n#\n# Exponent is free software; you can redistribute\n# it and/or modify it under the terms of the GNU\n# General Public License as published by the Free\n# Software Foundati... | [
1,
1,
1,
1,
1,
1,
1,
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1,
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1,
1,
1,
1,
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1,
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1,
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1,
1,
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1,
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [57, 438, 514, 44, 1504, 34, 29], "buggy_code_start_loc": [56, 279, 512, 38, 1503, 28, 28], "filenames": ["framework/core/controllers/expController.php", "framework/core/expFramework.php", "framework/core/subsystems/expString.php", "framework/modules/file/controllers/fileController.php", "framewo... | 841 |
Determine whether the {function_name} code is vulnerable or not. | [
"<?php",
"##################################################\n#\n# Copyright (c) 2004-2016 OIC Group, Inc.\n#\n# This file is part of Exponent\n#\n# Exponent is free software; you can redistribute\n# it and/or modify it under the terms of the GNU\n# General Public License as published by the Free\n# Software Foun... | [
1,
1,
1,
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1,
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1,
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1,
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1,
1,
1,
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1,
1,
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1,
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [57, 438, 514, 44, 1504, 34, 29], "buggy_code_start_loc": [56, 279, 512, 38, 1503, 28, 28], "filenames": ["framework/core/controllers/expController.php", "framework/core/expFramework.php", "framework/core/subsystems/expString.php", "framework/modules/file/controllers/fileController.php", "framewo... | 841 |
Determine whether the {function_name} code is vulnerable or not. | [
"<?php",
"##################################################\n#\n# Copyright (c) 2004-2016 OIC Group, Inc.\n#\n# This file is part of Exponent\n#\n# Exponent is free software; you can redistribute\n# it and/or modify it under the terms of the GNU\n# General Public License as published by the Free\n# Software Foun... | [
1,
1,
1,
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [57, 438, 514, 44, 1504, 34, 29], "buggy_code_start_loc": [56, 279, 512, 38, 1503, 28, 28], "filenames": ["framework/core/controllers/expController.php", "framework/core/expFramework.php", "framework/core/subsystems/expString.php", "framework/modules/file/controllers/fileController.php", "framewo... | 841 |
Determine whether the {function_name} code is vulnerable or not. | [
"<?php",
"##################################################\n#\n# Copyright (c) 2004-2016 OIC Group, Inc.\n#\n# This file is part of Exponent\n#\n# Exponent is free software; you can redistribute\n# it and/or modify it under the terms of the GNU\n# General Public License as published by the Free\n# Software Foun... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
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1,
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1,
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1,
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [57, 438, 514, 44, 1504, 34, 29], "buggy_code_start_loc": [56, 279, 512, 38, 1503, 28, 28], "filenames": ["framework/core/controllers/expController.php", "framework/core/expFramework.php", "framework/core/subsystems/expString.php", "framework/modules/file/controllers/fileController.php", "framewo... | 841 |
Determine whether the {function_name} code is vulnerable or not. | [
"<?php",
"##################################################\n#\n# Copyright (c) 2004-2016 OIC Group, Inc.\n#\n# This file is part of Exponent\n#\n# Exponent is free software; you can redistribute\n# it and/or modify it under the terms of the GNU\n# General Public License as published by the Free\n# Software Foun... | [
1,
1,
1,
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [57, 438, 514, 44, 1504, 34, 29], "buggy_code_start_loc": [56, 279, 512, 38, 1503, 28, 28], "filenames": ["framework/core/controllers/expController.php", "framework/core/expFramework.php", "framework/core/subsystems/expString.php", "framework/modules/file/controllers/fileController.php", "framewo... | 841 |
Determine whether the {function_name} code is vulnerable or not. | [
"<?php",
"##################################################\n#\n# Copyright (c) 2004-2016 OIC Group, Inc.\n#\n# This file is part of Exponent\n#\n# Exponent is free software; you can redistribute\n# it and/or modify it under the terms of the GNU\n# General Public License as published by the Free\n# Software Foun... | [
1,
1,
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1,
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1,
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1,
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [57, 438, 514, 44, 1504, 34, 29], "buggy_code_start_loc": [56, 279, 512, 38, 1503, 28, 28], "filenames": ["framework/core/controllers/expController.php", "framework/core/expFramework.php", "framework/core/subsystems/expString.php", "framework/modules/file/controllers/fileController.php", "framewo... | 841 |
Determine whether the {function_name} code is vulnerable or not. | [
"<?php",
"##################################################\n#\n# Copyright (c) 2004-2016 OIC Group, Inc.\n#\n# This file is part of Exponent\n#\n# Exponent is free software; you can redistribute\n# it and/or modify it under the terms of the GNU\n# General Public License as published by the Free\n# Software Foun... | [
1,
1,
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1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [57, 438, 514, 44, 1504, 34, 29], "buggy_code_start_loc": [56, 279, 512, 38, 1503, 28, 28], "filenames": ["framework/core/controllers/expController.php", "framework/core/expFramework.php", "framework/core/subsystems/expString.php", "framework/modules/file/controllers/fileController.php", "framewo... | 841 |
Determine whether the {function_name} code is vulnerable or not. | [
"<?php",
"##################################################\n#\n# Copyright (c) 2004-2016 OIC Group, Inc.\n#\n# This file is part of Exponent\n#\n# Exponent is free software; you can redistribute\n# it and/or modify it under the terms of the GNU\n# General Public License as published by the Free\n# Software Foun... | [
1,
1,
1,
1,
0,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1
] | PreciseBugs | {"buggy_code_end_loc": [57, 438, 514, 44, 1504, 34, 29], "buggy_code_start_loc": [56, 279, 512, 38, 1503, 28, 28], "filenames": ["framework/core/controllers/expController.php", "framework/core/expFramework.php", "framework/core/subsystems/expString.php", "framework/modules/file/controllers/fileController.php", "framewo... | 841 |
Determine whether the {function_name} code is vulnerable or not. | [
"<?php",
"##################################################\n#\n# Copyright (c) 2004-2016 OIC Group, Inc.\n#\n# This file is part of Exponent\n#\n# Exponent is free software; you can redistribute\n# it and/or modify it under the terms of the GNU\n# General Public License as published by the Free\n# Software Foun... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1
] | PreciseBugs | {"buggy_code_end_loc": [57, 438, 514, 44, 1504, 34, 29], "buggy_code_start_loc": [56, 279, 512, 38, 1503, 28, 28], "filenames": ["framework/core/controllers/expController.php", "framework/core/expFramework.php", "framework/core/subsystems/expString.php", "framework/modules/file/controllers/fileController.php", "framewo... | 841 |
Determine whether the {function_name} code is vulnerable or not. | [
"/** global: ArrayUtil */\n/** global: Base64Util */\n/** global: DateUtil */\n/** global: FunctionUtil */\n/** global: JSONUtil */\n/** global: MathUtil */\n/** global: ObjectUtil */\n/** global: StringUtil */\n/** global: TypeUtil */\n/** global: URLUtil */",
"ObjectUtil = {",
" assign: function(obj, other... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
0,
1,
1,
1,
1,
1,
1,
1,
1
] | PreciseBugs | {"buggy_code_end_loc": [219, 306], "buggy_code_start_loc": [219, 306], "filenames": ["src/utils/ObjectUtil.js", "test/test_object.js"], "fixing_code_end_loc": [223, 312], "fixing_code_start_loc": [220, 307], "message": "utils.js is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Protot... | 842 |
Determine whether the {function_name} code is vulnerable or not. | [
"/** global: ArrayUtil */\n/** global: Base64Util */\n/** global: DateUtil */\n/** global: FunctionUtil */\n/** global: JSONUtil */\n/** global: MathUtil */\n/** global: ObjectUtil */\n/** global: StringUtil */\n/** global: TypeUtil */\n/** global: URLUtil */",
"ObjectUtil = {",
" assign: function(obj, other... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1
] | PreciseBugs | {"buggy_code_end_loc": [219, 306], "buggy_code_start_loc": [219, 306], "filenames": ["src/utils/ObjectUtil.js", "test/test_object.js"], "fixing_code_end_loc": [223, 312], "fixing_code_start_loc": [220, 307], "message": "utils.js is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Protot... | 842 |
Determine whether the {function_name} code is vulnerable or not. | [
"var utils = require('../dist/utils.js');\nvar test = utils.test;\nvar obj = utils.object;",
"describe('object', function() {\n describe('assign', function() {\n var f = obj.assign;\n it('test same instance', function() {\n var o1 = { a:1, b:2, c:3 };\n var r = f(o1, o1);\n ... | [
1,
1,
0,
1
] | PreciseBugs | {"buggy_code_end_loc": [219, 306], "buggy_code_start_loc": [219, 306], "filenames": ["src/utils/ObjectUtil.js", "test/test_object.js"], "fixing_code_end_loc": [223, 312], "fixing_code_start_loc": [220, 307], "message": "utils.js is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Protot... | 842 |
Determine whether the {function_name} code is vulnerable or not. | [
"var utils = require('../dist/utils.js');\nvar test = utils.test;\nvar obj = utils.object;",
"describe('object', function() {\n describe('assign', function() {\n var f = obj.assign;\n it('test same instance', function() {\n var o1 = { a:1, b:2, c:3 };\n var r = f(o1, o1);\n ... | [
1,
1,
1,
1
] | PreciseBugs | {"buggy_code_end_loc": [219, 306], "buggy_code_start_loc": [219, 306], "filenames": ["src/utils/ObjectUtil.js", "test/test_object.js"], "fixing_code_end_loc": [223, 312], "fixing_code_start_loc": [220, 307], "message": "utils.js is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Protot... | 842 |
Determine whether the {function_name} code is vulnerable or not. | [
"/*\n * Copyright (c) 1999-2000 Image Power, Inc. and the University of\n * British Columbia.\n * Copyright (c) 2001-2002 Michael David Adams.\n * All rights reserved.\n */",
"/* __START_OF_JASPER_LICENSE__\n * \n * JasPer License Version 2.0\n * \n * Copyright (c) 2001-2006 Michael David Adams\n * Copyright (c... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
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1,
1,
1,
1,
0,
1,
1,
0,
1,
1,
1,
1,
1,
1,
1,
1
] | PreciseBugs | {"buggy_code_end_loc": [251, 149], "buggy_code_start_loc": [241, 103], "filenames": ["src/libjasper/base/jas_malloc.c", "src/libjasper/base/jas_seq.c"], "fixing_code_end_loc": [251, 163], "fixing_code_start_loc": [241, 104], "message": "Integer overflow in the jpc_dec_tiledecode function in jpc_dec.c in JasPer before 1... | 843 |
Determine whether the {function_name} code is vulnerable or not. | [
"/*\n * Copyright (c) 1999-2000 Image Power, Inc. and the University of\n * British Columbia.\n * Copyright (c) 2001-2002 Michael David Adams.\n * All rights reserved.\n */",
"/* __START_OF_JASPER_LICENSE__\n * \n * JasPer License Version 2.0\n * \n * Copyright (c) 2001-2006 Michael David Adams\n * Copyright (c... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1
] | PreciseBugs | {"buggy_code_end_loc": [251, 149], "buggy_code_start_loc": [241, 103], "filenames": ["src/libjasper/base/jas_malloc.c", "src/libjasper/base/jas_seq.c"], "fixing_code_end_loc": [251, 163], "fixing_code_start_loc": [241, 104], "message": "Integer overflow in the jpc_dec_tiledecode function in jpc_dec.c in JasPer before 1... | 843 |
Determine whether the {function_name} code is vulnerable or not. | [
"/*\n * Copyright (c) 1999-2000 Image Power, Inc. and the University of\n * British Columbia.\n * Copyright (c) 2001-2002 Michael David Adams.\n * All rights reserved.\n */",
"/* __START_OF_JASPER_LICENSE__\n * \n * JasPer License Version 2.0\n * \n * Copyright (c) 2001-2006 Michael David Adams\n * Copyright (c... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
0,
1,
0,
1,
1,
0,
1,
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1,
0,
1,
1,
0,
1,
1,
1,
1,
1,
0,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [251, 149], "buggy_code_start_loc": [241, 103], "filenames": ["src/libjasper/base/jas_malloc.c", "src/libjasper/base/jas_seq.c"], "fixing_code_end_loc": [251, 163], "fixing_code_start_loc": [241, 104], "message": "Integer overflow in the jpc_dec_tiledecode function in jpc_dec.c in JasPer before 1... | 843 |
Determine whether the {function_name} code is vulnerable or not. | [
"/*\n * Copyright (c) 1999-2000 Image Power, Inc. and the University of\n * British Columbia.\n * Copyright (c) 2001-2002 Michael David Adams.\n * All rights reserved.\n */",
"/* __START_OF_JASPER_LICENSE__\n * \n * JasPer License Version 2.0\n * \n * Copyright (c) 2001-2006 Michael David Adams\n * Copyright (c... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [251, 149], "buggy_code_start_loc": [241, 103], "filenames": ["src/libjasper/base/jas_malloc.c", "src/libjasper/base/jas_seq.c"], "fixing_code_end_loc": [251, 163], "fixing_code_start_loc": [241, 104], "message": "Integer overflow in the jpc_dec_tiledecode function in jpc_dec.c in JasPer before 1... | 843 |
Determine whether the {function_name} code is vulnerable or not. | [
"// imagew-jpeg.c\n// Part of ImageWorsener, Copyright (c) 2011 by Jason Summers.\n// For more information, see the readme.txt file.",
"#include \"imagew-config.h\"",
"#if IW_SUPPORT_JPEG == 1",
"#include <stdio.h>\n#include <stdlib.h>\n#include <string.h>\n#include <math.h>\n#include <setjmp.h>",
"#include... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
0,
1,
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1,
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1,
1,
1,
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0,
1,
1,
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1,
1,
1,
1,
1,
1,
1,
1,
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [181], "buggy_code_start_loc": [60], "filenames": ["src/imagew-jpeg.c"], "fixing_code_end_loc": [193], "fixing_code_start_loc": [61], "message": "The iw_get_ui16le function in imagew-util.c:405:23 in libimageworsener.a in ImageWorsener 1.3.1 allows remote attackers to cause a denial of service (h... | 844 |
Determine whether the {function_name} code is vulnerable or not. | [
"// imagew-jpeg.c\n// Part of ImageWorsener, Copyright (c) 2011 by Jason Summers.\n// For more information, see the readme.txt file.",
"#include \"imagew-config.h\"",
"#if IW_SUPPORT_JPEG == 1",
"#include <stdio.h>\n#include <stdlib.h>\n#include <string.h>\n#include <math.h>\n#include <setjmp.h>",
"#include... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
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1,
1,
1,
1,
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1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [181], "buggy_code_start_loc": [60], "filenames": ["src/imagew-jpeg.c"], "fixing_code_end_loc": [193], "fixing_code_start_loc": [61], "message": "The iw_get_ui16le function in imagew-util.c:405:23 in libimageworsener.a in ImageWorsener 1.3.1 allows remote attackers to cause a denial of service (h... | 844 |
Determine whether the {function_name} code is vulnerable or not. | [
"/*\n * #%L\n * SCIFIO library for reading and converting scientific file formats.\n * %%\n * Copyright (C) 2011 - 2022 SCIFIO developers.\n * %%\n * Redistribution and use in source and binary forms, with or without\n * modification, are permitted provided that the following conditions are met:\n * \n * 1. Redistr... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
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1,
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1,
1,
1,
1,
1,
1,
1,
1,
0,
1,
1,
1,
1,
1,
1
] | PreciseBugs | {"buggy_code_end_loc": [161], "buggy_code_start_loc": [161], "filenames": ["src/test/java/io/scif/util/DefaultSampleFilesService.java"], "fixing_code_end_loc": [165], "fixing_code_start_loc": [162], "message": "A vulnerability classified as critical was found in scifio. Affected by this vulnerability is the function do... | 845 |
Determine whether the {function_name} code is vulnerable or not. | [
"/*\n * #%L\n * SCIFIO library for reading and converting scientific file formats.\n * %%\n * Copyright (C) 2011 - 2022 SCIFIO developers.\n * %%\n * Redistribution and use in source and binary forms, with or without\n * modification, are permitted provided that the following conditions are met:\n * \n * 1. Redistr... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1
] | PreciseBugs | {"buggy_code_end_loc": [161], "buggy_code_start_loc": [161], "filenames": ["src/test/java/io/scif/util/DefaultSampleFilesService.java"], "fixing_code_end_loc": [165], "fixing_code_start_loc": [162], "message": "A vulnerability classified as critical was found in scifio. Affected by this vulnerability is the function do... | 845 |
Determine whether the {function_name} code is vulnerable or not. | [
"package content",
"import (",
"",
"\t\"io\"\n\t\"os\"\n\t\"path\"",
"",
"\n\t\"github.com/hoffie/larasync/helpers/atomic\"\n)",
"const (\n\t// default permissions\n\tdefaultFilePerms = 0600\n\tdefaultDirPerms = 0700\n)",
"",
"\n// FileStorage is the basic implementation of the Storage\n// implemen... | [
1,
1,
0,
1,
0,
1,
1,
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1,
1,
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1,
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1,
0,
1
] | PreciseBugs | {"buggy_code_end_loc": [92, 72], "buggy_code_start_loc": [3, 22], "filenames": ["repository/content/file_storage.go", "repository/content/file_storage_test.go"], "fixing_code_end_loc": [125, 90], "fixing_code_start_loc": [4, 23], "message": "A vulnerability classified as critical was found in hoffie larasync. This vuln... | 846 |
Determine whether the {function_name} code is vulnerable or not. | [
"package content",
"import (",
"\t\"errors\"",
"\t\"io\"\n\t\"os\"\n\t\"path\"",
"\t\"path/filepath\"\n\t\"strings\"",
"\n\t\"github.com/hoffie/larasync/helpers/atomic\"\n)",
"const (\n\t// default permissions\n\tdefaultFilePerms = 0600\n\tdefaultDirPerms = 0700\n)",
"\n// ErrInvalidPath is returned ... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
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1,
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1,
1,
1,
1,
1,
1,
1,
1,
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1,
1,
1,
1,
1
] | PreciseBugs | {"buggy_code_end_loc": [92, 72], "buggy_code_start_loc": [3, 22], "filenames": ["repository/content/file_storage.go", "repository/content/file_storage_test.go"], "fixing_code_end_loc": [125, 90], "fixing_code_start_loc": [4, 23], "message": "A vulnerability classified as critical was found in hoffie larasync. This vuln... | 846 |
Determine whether the {function_name} code is vulnerable or not. | [
"package content",
"import (\n\t\"bytes\"\n\t\"crypto/sha256\"\n\t\"encoding/hex\"\n\t\"io\"\n\t\"io/ioutil\"\n\t\"os\"\n\t\"path\"",
"\t. \"gopkg.in/check.v1\"\n)",
"type FileStorageTests struct {\n\tdir string\n\tstorage *FileStorage\n\tdata []byte\n}",
"var _ = Suite(&FileStorageTests{})\n",
"",... | [
1,
1,
1,
1,
1,
0,
1,
1,
1,
1,
1,
0,
1,
1,
1,
1,
1,
1,
0,
1,
1,
1,
1,
1,
1,
1
] | PreciseBugs | {"buggy_code_end_loc": [92, 72], "buggy_code_start_loc": [3, 22], "filenames": ["repository/content/file_storage.go", "repository/content/file_storage_test.go"], "fixing_code_end_loc": [125, 90], "fixing_code_start_loc": [4, 23], "message": "A vulnerability classified as critical was found in hoffie larasync. This vuln... | 846 |
Determine whether the {function_name} code is vulnerable or not. | [
"package content",
"import (\n\t\"bytes\"\n\t\"crypto/sha256\"\n\t\"encoding/hex\"\n\t\"io\"\n\t\"io/ioutil\"\n\t\"os\"\n\t\"path\"",
"\t. \"gopkg.in/check.v1\"\n)",
"type FileStorageTests struct {\n\tdir string\n\tstorage *FileStorage\n\tdata []byte\n}",
"var _ = Suite(&FileStorageTests{})\n",
"va... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
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1,
1,
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1,
1,
1,
1,
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1,
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1,
1,
1,
1,
1
] | PreciseBugs | {"buggy_code_end_loc": [92, 72], "buggy_code_start_loc": [3, 22], "filenames": ["repository/content/file_storage.go", "repository/content/file_storage_test.go"], "fixing_code_end_loc": [125, 90], "fixing_code_start_loc": [4, 23], "message": "A vulnerability classified as critical was found in hoffie larasync. This vuln... | 846 |
Determine whether the {function_name} code is vulnerable or not. | [
"<?php namespace October\\Rain\\Auth;",
"use Cookie;\nuse Session;\nuse Request;\nuse Illuminate\\Contracts\\Auth\\Authenticatable;",
"/**\n * Authentication manager\n */\nclass Manager implements \\Illuminate\\Contracts\\Auth\\StatefulGuard\n{\n use \\October\\Rain\\Support\\Traits\\Singleton;",
" /**\... | [
1,
1,
1,
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1,
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1,
1,
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1... | PreciseBugs | {"buggy_code_end_loc": [690], "buggy_code_start_loc": [689], "filenames": ["src/Auth/Manager.php"], "fixing_code_end_loc": [690], "fixing_code_start_loc": [689], "message": "An issue was discovered in October through build 471. It reactivates an old session ID (which had been invalid after a logout) once a new login oc... | 847 |
Determine whether the {function_name} code is vulnerable or not. | [
"<?php namespace October\\Rain\\Auth;",
"use Cookie;\nuse Session;\nuse Request;\nuse Illuminate\\Contracts\\Auth\\Authenticatable;",
"/**\n * Authentication manager\n */\nclass Manager implements \\Illuminate\\Contracts\\Auth\\StatefulGuard\n{\n use \\October\\Rain\\Support\\Traits\\Singleton;",
" /**\... | [
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1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [690], "buggy_code_start_loc": [689], "filenames": ["src/Auth/Manager.php"], "fixing_code_end_loc": [690], "fixing_code_start_loc": [689], "message": "An issue was discovered in October through build 471. It reactivates an old session ID (which had been invalid after a logout) once a new login oc... | 847 |
Determine whether the {function_name} code is vulnerable or not. | [
"<?php\n/* vim: set expandtab sw=4 ts=4 sts=4: */\n/**\n * Configuration handling.\n *\n * @package PhpMyAdmin\n */",
"if (! defined('PHPMYADMIN')) {\n exit;\n}",
"/**\n * Load vendor configuration.\n */\nrequire_once './libraries/vendor_config.php';",
"/**\n * Indication for error handler (see end of this... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [1374], "buggy_code_start_loc": [1373], "filenames": ["libraries/Config.class.php"], "fixing_code_end_loc": [1374], "fixing_code_start_loc": [1373], "message": "Multiple cross-site scripting (XSS) vulnerabilities in phpMyAdmin 4.0.x before 4.0.10.15, 4.4.x before 4.4.15.5, and 4.5.x before 4.5.5.... | 848 |
Determine whether the {function_name} code is vulnerable or not. | [
"<?php\n/* vim: set expandtab sw=4 ts=4 sts=4: */\n/**\n * Configuration handling.\n *\n * @package PhpMyAdmin\n */",
"if (! defined('PHPMYADMIN')) {\n exit;\n}",
"/**\n * Load vendor configuration.\n */\nrequire_once './libraries/vendor_config.php';",
"/**\n * Indication for error handler (see end of this... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [1374], "buggy_code_start_loc": [1373], "filenames": ["libraries/Config.class.php"], "fixing_code_end_loc": [1374], "fixing_code_start_loc": [1373], "message": "Multiple cross-site scripting (XSS) vulnerabilities in phpMyAdmin 4.0.x before 4.0.10.15, 4.4.x before 4.4.15.5, and 4.5.x before 4.5.5.... | 848 |
Determine whether the {function_name} code is vulnerable or not. | [
"/*\n * Copyright 2004-2005 Paul Querna\n * Copyright 2008 Nikos Mavrogiannopoulos\n * Copyright 2011 Dash Shendy",
" * Copyright 2015-2020 Fiona Klute",
" *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You ... | [
1,
0,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
0,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [1007], "buggy_code_start_loc": [5], "filenames": ["src/gnutls_io.c"], "fixing_code_end_loc": [1012], "fixing_code_start_loc": [5], "message": "Mod_gnutls is a TLS module for Apache HTTPD based on GnuTLS. Versions from 0.9.0 to 0.12.0 (including) did not properly fail blocking read operations on ... | 849 |
Determine whether the {function_name} code is vulnerable or not. | [
"/*\n * Copyright 2004-2005 Paul Querna\n * Copyright 2008 Nikos Mavrogiannopoulos\n * Copyright 2011 Dash Shendy",
" * Copyright 2015-2022 Fiona Klute",
" *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You ... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [1007], "buggy_code_start_loc": [5], "filenames": ["src/gnutls_io.c"], "fixing_code_end_loc": [1012], "fixing_code_start_loc": [5], "message": "Mod_gnutls is a TLS module for Apache HTTPD based on GnuTLS. Versions from 0.9.0 to 0.12.0 (including) did not properly fail blocking read operations on ... | 849 |
Determine whether the {function_name} code is vulnerable or not. | [
"/*\n * The MIT License\n * \n * Copyright (c) 2004-2012, Sun Microsystems, Inc., Kohsuke Kawaguchi, Erik Ramfelt,\n * Tom Huybrechts, Vincent Latombe\n * \n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to ... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [1080, 2493, 83], "buggy_code_start_loc": [1080, 2488, 28], "filenames": ["core/src/main/java/hudson/model/User.java", "core/src/main/java/jenkins/model/Jenkins.java", "test/src/test/java/jenkins/model/JenkinsTest.java"], "fixing_code_end_loc": [1098, 2493, 107], "fixing_code_start_loc": [1081, 2... | 850 |
Determine whether the {function_name} code is vulnerable or not. | [
"/*\n * The MIT License\n * \n * Copyright (c) 2004-2012, Sun Microsystems, Inc., Kohsuke Kawaguchi, Erik Ramfelt,\n * Tom Huybrechts, Vincent Latombe\n * \n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to ... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [1080, 2493, 83], "buggy_code_start_loc": [1080, 2488, 28], "filenames": ["core/src/main/java/hudson/model/User.java", "core/src/main/java/jenkins/model/Jenkins.java", "test/src/test/java/jenkins/model/JenkinsTest.java"], "fixing_code_end_loc": [1098, 2493, 107], "fixing_code_start_loc": [1081, 2... | 850 |
Determine whether the {function_name} code is vulnerable or not. | [
"/*\n * The MIT License\n *\n * Copyright (c) 2004-2011, Sun Microsystems, Inc., Kohsuke Kawaguchi,\n * Erik Ramfelt, Koichi Fujikawa, Red Hat, Inc., Seiji Sogabe,\n * Stephen Connolly, Tom Huybrechts, Yahoo! Inc., Alan Harder, CloudBees, Inc.,\n * Yahoo!, Inc.\n *\n * Permission is hereby granted, free of charge, ... | [
1,
1,
1,
1,
1,
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1,
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1,
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1,
1,
1,
1,
1,
1,
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [1080, 2493, 83], "buggy_code_start_loc": [1080, 2488, 28], "filenames": ["core/src/main/java/hudson/model/User.java", "core/src/main/java/jenkins/model/Jenkins.java", "test/src/test/java/jenkins/model/JenkinsTest.java"], "fixing_code_end_loc": [1098, 2493, 107], "fixing_code_start_loc": [1081, 2... | 850 |
Determine whether the {function_name} code is vulnerable or not. | [
"/*\n * The MIT License\n *\n * Copyright (c) 2004-2011, Sun Microsystems, Inc., Kohsuke Kawaguchi,\n * Erik Ramfelt, Koichi Fujikawa, Red Hat, Inc., Seiji Sogabe,\n * Stephen Connolly, Tom Huybrechts, Yahoo! Inc., Alan Harder, CloudBees, Inc.,\n * Yahoo!, Inc.\n *\n * Permission is hereby granted, free of charge, ... | [
1,
1,
1,
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1,
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1,
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1,
1,
1,
1,
1,
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [1080, 2493, 83], "buggy_code_start_loc": [1080, 2488, 28], "filenames": ["core/src/main/java/hudson/model/User.java", "core/src/main/java/jenkins/model/Jenkins.java", "test/src/test/java/jenkins/model/JenkinsTest.java"], "fixing_code_end_loc": [1098, 2493, 107], "fixing_code_start_loc": [1081, 2... | 850 |
Determine whether the {function_name} code is vulnerable or not. | [
"/*\n * The MIT License\n *\n * Copyright (c) 2004-2011, Yahoo!, Inc.\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rig... | [
1,
1,
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1
] | PreciseBugs | {"buggy_code_end_loc": [1080, 2493, 83], "buggy_code_start_loc": [1080, 2488, 28], "filenames": ["core/src/main/java/hudson/model/User.java", "core/src/main/java/jenkins/model/Jenkins.java", "test/src/test/java/jenkins/model/JenkinsTest.java"], "fixing_code_end_loc": [1098, 2493, 107], "fixing_code_start_loc": [1081, 2... | 850 |
Determine whether the {function_name} code is vulnerable or not. | [
"/*\n * The MIT License\n *\n * Copyright (c) 2004-2011, Yahoo!, Inc.\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rig... | [
1,
1,
1,
1,
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1,
1,
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1,
1,
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1,
1,
1,
1,
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1
] | PreciseBugs | {"buggy_code_end_loc": [1080, 2493, 83], "buggy_code_start_loc": [1080, 2488, 28], "filenames": ["core/src/main/java/hudson/model/User.java", "core/src/main/java/jenkins/model/Jenkins.java", "test/src/test/java/jenkins/model/JenkinsTest.java"], "fixing_code_end_loc": [1098, 2493, 107], "fixing_code_start_loc": [1081, 2... | 850 |
Determine whether the {function_name} code is vulnerable or not. | [
"<?php",
"/**\n * This code is mix of WP and phpBB :)\n * */\nclass erLhcoreClassBBCode\n{ \n /**\n * Callback to convert URI match to HTML A element.\n *\n * This function was backported from 2.5.0 to 2.3.2. Regex callback for make_clickable().\n *\n * @since 2.3.2\n * @access private\n ... | [
1,
1,
1,
1,
1,
1,
1,
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1,
1,
1,
1,
0,
1,
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1,
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1,
1,
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1,
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1,
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1,
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1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [625, 624], "buggy_code_start_loc": [620, 619], "filenames": ["lhc_web/lib/core/lhbbcode/lhbbcode.php", "lhc_web/lib/core/lhbbcode/lhbbcode_cleanup.php"], "fixing_code_end_loc": [625, 624], "fixing_code_start_loc": [620, 619], "message": "Live Helper Chat before 3.44v allows reflected XSS via the... | 851 |
Determine whether the {function_name} code is vulnerable or not. | [
"<?php",
"/**\n * This code is mix of WP and phpBB :)\n * */\nclass erLhcoreClassBBCode\n{ \n /**\n * Callback to convert URI match to HTML A element.\n *\n * This function was backported from 2.5.0 to 2.3.2. Regex callback for make_clickable().\n *\n * @since 2.3.2\n * @access private\n ... | [
1,
1,
1,
1,
1,
1,
1,
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1,
1,
1,
1,
1,
1,
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1,
1,
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1,
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1,
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1,
1,
1,
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1,
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1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [625, 624], "buggy_code_start_loc": [620, 619], "filenames": ["lhc_web/lib/core/lhbbcode/lhbbcode.php", "lhc_web/lib/core/lhbbcode/lhbbcode_cleanup.php"], "fixing_code_end_loc": [625, 624], "fixing_code_start_loc": [620, 619], "message": "Live Helper Chat before 3.44v allows reflected XSS via the... | 851 |
Determine whether the {function_name} code is vulnerable or not. | [
"<?php",
"/**\n * This code is mix of WP and phpBB :)\n * */\nclass erLhcoreClassBBCodePlain\n{\n /**\n * Callback to convert URI match to HTML A element.\n *\n * This function was backported from 2.5.0 to 2.3.2. Regex callback for make_clickable().\n *\n * @since 2.3.2\n * @access priv... | [
1,
1,
1,
1,
1,
1,
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1,
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1,
1,
1,
1,
1,
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1,
1,
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1,
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1,
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1,
1,
1,
1,
1,
1,
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1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [625, 624], "buggy_code_start_loc": [620, 619], "filenames": ["lhc_web/lib/core/lhbbcode/lhbbcode.php", "lhc_web/lib/core/lhbbcode/lhbbcode_cleanup.php"], "fixing_code_end_loc": [625, 624], "fixing_code_start_loc": [620, 619], "message": "Live Helper Chat before 3.44v allows reflected XSS via the... | 851 |
Determine whether the {function_name} code is vulnerable or not. | [
"<?php",
"/**\n * This code is mix of WP and phpBB :)\n * */\nclass erLhcoreClassBBCodePlain\n{\n /**\n * Callback to convert URI match to HTML A element.\n *\n * This function was backported from 2.5.0 to 2.3.2. Regex callback for make_clickable().\n *\n * @since 2.3.2\n * @access priv... | [
1,
1,
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1,
1,
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1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [625, 624], "buggy_code_start_loc": [620, 619], "filenames": ["lhc_web/lib/core/lhbbcode/lhbbcode.php", "lhc_web/lib/core/lhbbcode/lhbbcode_cleanup.php"], "fixing_code_end_loc": [625, 624], "fixing_code_start_loc": [620, 619], "message": "Live Helper Chat before 3.44v allows reflected XSS via the... | 851 |
Determine whether the {function_name} code is vulnerable or not. | [
"<?php",
"/**\n * 2Moons\n * Copyright (C) 2012 Jan Kröpke\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later ve... | [
1,
1,
1,
1,
1,
0,
1,
1,
1,
1,
1,
1
] | PreciseBugs | {"buggy_code_end_loc": [48, 199, 56, 59], "buggy_code_start_loc": [44, 195, 50, 58], "filenames": ["includes/pages/game/class.ShowFleetStep1Page.php", "includes/pages/game/class.ShowFleetTablePage.php", "includes/pages/game/class.ShowGalaxyPage.php", "includes/pages/game/class.ShowInformationPage.php"], "fixing_code_en... | 852 |
Determine whether the {function_name} code is vulnerable or not. | [
"<?php",
"/**\n * 2Moons\n * Copyright (C) 2012 Jan Kröpke\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later ve... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1
] | PreciseBugs | {"buggy_code_end_loc": [48, 199, 56, 59], "buggy_code_start_loc": [44, 195, 50, 58], "filenames": ["includes/pages/game/class.ShowFleetStep1Page.php", "includes/pages/game/class.ShowFleetTablePage.php", "includes/pages/game/class.ShowGalaxyPage.php", "includes/pages/game/class.ShowInformationPage.php"], "fixing_code_en... | 852 |
Determine whether the {function_name} code is vulnerable or not. | [
"<?php",
"/**\n * 2Moons\n * Copyright (C) 2012 Jan Kröpke\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later ve... | [
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1,
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1,
1
] | PreciseBugs | {"buggy_code_end_loc": [48, 199, 56, 59], "buggy_code_start_loc": [44, 195, 50, 58], "filenames": ["includes/pages/game/class.ShowFleetStep1Page.php", "includes/pages/game/class.ShowFleetTablePage.php", "includes/pages/game/class.ShowGalaxyPage.php", "includes/pages/game/class.ShowInformationPage.php"], "fixing_code_en... | 852 |
Determine whether the {function_name} code is vulnerable or not. | [
"<?php",
"/**\n * 2Moons\n * Copyright (C) 2012 Jan Kröpke\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later ve... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1
] | PreciseBugs | {"buggy_code_end_loc": [48, 199, 56, 59], "buggy_code_start_loc": [44, 195, 50, 58], "filenames": ["includes/pages/game/class.ShowFleetStep1Page.php", "includes/pages/game/class.ShowFleetTablePage.php", "includes/pages/game/class.ShowGalaxyPage.php", "includes/pages/game/class.ShowInformationPage.php"], "fixing_code_en... | 852 |
Determine whether the {function_name} code is vulnerable or not. | [
"<?php",
"/**\n * 2Moons\n * Copyright (C) 2012 Jan Kröpke\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later ve... | [
1,
1,
1,
1,
1,
1,
0,
1,
0,
1,
1,
1,
1,
1
] | PreciseBugs | {"buggy_code_end_loc": [48, 199, 56, 59], "buggy_code_start_loc": [44, 195, 50, 58], "filenames": ["includes/pages/game/class.ShowFleetStep1Page.php", "includes/pages/game/class.ShowFleetTablePage.php", "includes/pages/game/class.ShowGalaxyPage.php", "includes/pages/game/class.ShowInformationPage.php"], "fixing_code_en... | 852 |
Determine whether the {function_name} code is vulnerable or not. | [
"<?php",
"/**\n * 2Moons\n * Copyright (C) 2012 Jan Kröpke\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later ve... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1
] | PreciseBugs | {"buggy_code_end_loc": [48, 199, 56, 59], "buggy_code_start_loc": [44, 195, 50, 58], "filenames": ["includes/pages/game/class.ShowFleetStep1Page.php", "includes/pages/game/class.ShowFleetTablePage.php", "includes/pages/game/class.ShowGalaxyPage.php", "includes/pages/game/class.ShowInformationPage.php"], "fixing_code_en... | 852 |
Determine whether the {function_name} code is vulnerable or not. | [
"<?php",
"/**\n * 2Moons\n * Copyright (C) 2012 Jan Kröpke\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later ve... | [
1,
1,
1,
1,
1,
1,
0,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1
] | PreciseBugs | {"buggy_code_end_loc": [48, 199, 56, 59], "buggy_code_start_loc": [44, 195, 50, 58], "filenames": ["includes/pages/game/class.ShowFleetStep1Page.php", "includes/pages/game/class.ShowFleetTablePage.php", "includes/pages/game/class.ShowGalaxyPage.php", "includes/pages/game/class.ShowInformationPage.php"], "fixing_code_en... | 852 |
Determine whether the {function_name} code is vulnerable or not. | [
"<?php",
"/**\n * 2Moons\n * Copyright (C) 2012 Jan Kröpke\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later ve... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1
] | PreciseBugs | {"buggy_code_end_loc": [48, 199, 56, 59], "buggy_code_start_loc": [44, 195, 50, 58], "filenames": ["includes/pages/game/class.ShowFleetStep1Page.php", "includes/pages/game/class.ShowFleetTablePage.php", "includes/pages/game/class.ShowGalaxyPage.php", "includes/pages/game/class.ShowInformationPage.php"], "fixing_code_en... | 852 |
Determine whether the {function_name} code is vulnerable or not. | [
"'use strict'\nvar url = require('url')\nvar gitHosts = require('./git-host-info.js')\nvar GitHost = module.exports = require('./git-host.js')",
"var protocolToRepresentationMap = {\n 'git+ssh:': 'sshurl',\n 'git+https:': 'https',\n 'ssh:': 'sshurl',\n 'git:': 'git'\n}",
"function protocolToRepresentation (... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
0,
1,
0,
1,
1,
1,
1
] | PreciseBugs | {"buggy_code_end_loc": [59], "buggy_code_start_loc": [44], "filenames": ["index.js"], "fixing_code_end_loc": [59], "fixing_code_start_loc": [44], "message": "The package hosted-git-info before 3.0.8 are vulnerable to Regular Expression Denial of Service (ReDoS) via regular expression shortcutMatch in the fromUrl functi... | 853 |
Determine whether the {function_name} code is vulnerable or not. | [
"'use strict'\nvar url = require('url')\nvar gitHosts = require('./git-host-info.js')\nvar GitHost = module.exports = require('./git-host.js')",
"var protocolToRepresentationMap = {\n 'git+ssh:': 'sshurl',\n 'git+https:': 'https',\n 'ssh:': 'sshurl',\n 'git:': 'git'\n}",
"function protocolToRepresentation (... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1
] | PreciseBugs | {"buggy_code_end_loc": [59], "buggy_code_start_loc": [44], "filenames": ["index.js"], "fixing_code_end_loc": [59], "fixing_code_start_loc": [44], "message": "The package hosted-git-info before 3.0.8 are vulnerable to Regular Expression Denial of Service (ReDoS) via regular expression shortcutMatch in the fromUrl functi... | 853 |
Determine whether the {function_name} code is vulnerable or not. | [
"/*\n * INET\t\tAn implementation of the TCP/IP protocol suite for the LINUX\n *\t\toperating system. INET is implemented using the BSD Socket\n *\t\tinterface as the means of communication with the user level.\n *\n *\t\tDefinitions for the TCP module.\n *\n * Version:\t@(#)tcp.h\t1.0.5\t05/23/93\n *\n * Authors... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [1525], "buggy_code_start_loc": [1525], "filenames": ["include/net/tcp.h"], "fixing_code_end_loc": [1528], "fixing_code_start_loc": [1526], "message": "The tcp_check_send_head function in include/net/tcp.h in the Linux kernel before 4.7.5 does not properly maintain certain SACK state after a fail... | 854 |
Determine whether the {function_name} code is vulnerable or not. | [
"/*\n * INET\t\tAn implementation of the TCP/IP protocol suite for the LINUX\n *\t\toperating system. INET is implemented using the BSD Socket\n *\t\tinterface as the means of communication with the user level.\n *\n *\t\tDefinitions for the TCP module.\n *\n * Version:\t@(#)tcp.h\t1.0.5\t05/23/93\n *\n * Authors... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [1525], "buggy_code_start_loc": [1525], "filenames": ["include/net/tcp.h"], "fixing_code_end_loc": [1528], "fixing_code_start_loc": [1526], "message": "The tcp_check_send_head function in include/net/tcp.h in the Linux kernel before 4.7.5 does not properly maintain certain SACK state after a fail... | 854 |
Determine whether the {function_name} code is vulnerable or not. | [
"/*\n * The copyright in this software is being made available under the 2-clauses\n * BSD License, included below. This software may be subject to other third\n * party and contributor rights, including patent rights, and no such rights\n * are granted under this license.\n *\n * Copyright (c) 2002-2014, Universit... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [6580], "buggy_code_start_loc": [6576], "filenames": ["src/lib/openjp2/j2k.c"], "fixing_code_end_loc": [6586], "fixing_code_start_loc": [6576], "message": "A mishandled zero case was discovered in opj_j2k_set_cinema_parameters in lib/openjp2/j2k.c in OpenJPEG 2.2.0. The vulnerability causes an ou... | 855 |
Determine whether the {function_name} code is vulnerable or not. | [
"/*\n * The copyright in this software is being made available under the 2-clauses\n * BSD License, included below. This software may be subject to other third\n * party and contributor rights, including patent rights, and no such rights\n * are granted under this license.\n *\n * Copyright (c) 2002-2014, Universit... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [6580], "buggy_code_start_loc": [6576], "filenames": ["src/lib/openjp2/j2k.c"], "fixing_code_end_loc": [6586], "fixing_code_start_loc": [6576], "message": "A mishandled zero case was discovered in opj_j2k_set_cinema_parameters in lib/openjp2/j2k.c in OpenJPEG 2.2.0. The vulnerability causes an ou... | 855 |
Determine whether the {function_name} code is vulnerable or not. | [
"/*\n * Copyright (C) 2012 Red Hat, Inc. All rights reserved.\n * Author: Alex Williamson <alex.williamson@redhat.com>\n *\n * This program is free software; you can redistribute it and/or modify\n * it under the terms of the GNU General Public License version 2 as\n * published by the Free Software Foundation... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [858, 260], "buggy_code_start_loc": [831, 259], "filenames": ["drivers/vfio/pci/vfio_pci.c", "drivers/vfio/pci/vfio_pci_intrs.c"], "fixing_code_end_loc": [867, 260], "fixing_code_start_loc": [832, 259], "message": "drivers/vfio/pci/vfio_pci_intrs.c in the Linux kernel through 4.8.11 misuses the k... | 856 |
Determine whether the {function_name} code is vulnerable or not. | [
"/*\n * Copyright (C) 2012 Red Hat, Inc. All rights reserved.\n * Author: Alex Williamson <alex.williamson@redhat.com>\n *\n * This program is free software; you can redistribute it and/or modify\n * it under the terms of the GNU General Public License version 2 as\n * published by the Free Software Foundation... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [858, 260], "buggy_code_start_loc": [831, 259], "filenames": ["drivers/vfio/pci/vfio_pci.c", "drivers/vfio/pci/vfio_pci_intrs.c"], "fixing_code_end_loc": [867, 260], "fixing_code_start_loc": [832, 259], "message": "drivers/vfio/pci/vfio_pci_intrs.c in the Linux kernel through 4.8.11 misuses the k... | 856 |
Determine whether the {function_name} code is vulnerable or not. | [
"/*\n * VFIO PCI interrupt handling\n *\n * Copyright (C) 2012 Red Hat, Inc. All rights reserved.\n * Author: Alex Williamson <alex.williamson@redhat.com>\n *\n * This program is free software; you can redistribute it and/or modify\n * it under the terms of the GNU General Public License version 2 as\n * publi... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
0,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [858, 260], "buggy_code_start_loc": [831, 259], "filenames": ["drivers/vfio/pci/vfio_pci.c", "drivers/vfio/pci/vfio_pci_intrs.c"], "fixing_code_end_loc": [867, 260], "fixing_code_start_loc": [832, 259], "message": "drivers/vfio/pci/vfio_pci_intrs.c in the Linux kernel through 4.8.11 misuses the k... | 856 |
Determine whether the {function_name} code is vulnerable or not. | [
"/*\n * VFIO PCI interrupt handling\n *\n * Copyright (C) 2012 Red Hat, Inc. All rights reserved.\n * Author: Alex Williamson <alex.williamson@redhat.com>\n *\n * This program is free software; you can redistribute it and/or modify\n * it under the terms of the GNU General Public License version 2 as\n * publi... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
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1,
1,
1,
1,
1,
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1,
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1,
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1,
1,
1,
1,
1,
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [858, 260], "buggy_code_start_loc": [831, 259], "filenames": ["drivers/vfio/pci/vfio_pci.c", "drivers/vfio/pci/vfio_pci_intrs.c"], "fixing_code_end_loc": [867, 260], "fixing_code_start_loc": [832, 259], "message": "drivers/vfio/pci/vfio_pci_intrs.c in the Linux kernel through 4.8.11 misuses the k... | 856 |
Determine whether the {function_name} code is vulnerable or not. | [
"/*\n * See the NOTICE file distributed with this work for additional\n * information regarding copyright ownership.\n *\n * This is free software; you can redistribute it and/or modify it\n * under the terms of the GNU Lesser General Public License as\n * published by the Free Software Foundation; either version 2... | [
1,
1,
1,
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1,
1,
1,
1,
1,
1,
1,
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1,
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1
] | PreciseBugs | {"buggy_code_end_loc": [90], "buggy_code_start_loc": [89], "filenames": ["xwiki-platform-core/xwiki-platform-crypto/xwiki-platform-crypto-script/src/main/java/org/xwiki/crypto/script/RSACryptoScriptService.java"], "fixing_code_end_loc": [90], "fixing_code_start_loc": [89], "message": "XWiki Platform is a generic wiki p... | 857 |
Determine whether the {function_name} code is vulnerable or not. | [
"/*\n * See the NOTICE file distributed with this work for additional\n * information regarding copyright ownership.\n *\n * This is free software; you can redistribute it and/or modify it\n * under the terms of the GNU Lesser General Public License as\n * published by the Free Software Foundation; either version 2... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
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1,
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1
] | PreciseBugs | {"buggy_code_end_loc": [90], "buggy_code_start_loc": [89], "filenames": ["xwiki-platform-core/xwiki-platform-crypto/xwiki-platform-crypto-script/src/main/java/org/xwiki/crypto/script/RSACryptoScriptService.java"], "fixing_code_end_loc": [90], "fixing_code_start_loc": [89], "message": "XWiki Platform is a generic wiki p... | 857 |
Determine whether the {function_name} code is vulnerable or not. | [
"# -*- coding: utf-8 -*-\n# Owner(s): [\"oncall: jit\"]",
"import torch",
"# This is how we include tests located in test/jit/...\n# They are included here so that they are invoked when you call `test_jit.py`,\n# do not run these test files directly.\nfrom jit.test_tracer import TestTracer, TestMixTracingScript... | [
1,
1,
1,
1,
1,
1,
1,
1,
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1,
1,
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1,
1,
1,
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1,
1,
1,
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1,
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1,
1,
1,
1,
1,
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1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [3953, 320, 166], "buggy_code_start_loc": [3953, 319, 1], "filenames": ["test/test_jit.py", "torch/csrc/jit/frontend/script_type_parser.cpp", "torch/jit/annotations.py"], "fixing_code_end_loc": [3962, 320, 176], "fixing_code_start_loc": [3954, 319, 2], "message": "In PyTorch before trunk/89695, t... | 858 |
Determine whether the {function_name} code is vulnerable or not. | [
"# -*- coding: utf-8 -*-\n# Owner(s): [\"oncall: jit\"]",
"import torch",
"# This is how we include tests located in test/jit/...\n# They are included here so that they are invoked when you call `test_jit.py`,\n# do not run these test files directly.\nfrom jit.test_tracer import TestTracer, TestMixTracingScript... | [
1,
1,
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1,
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1,
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1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [3953, 320, 166], "buggy_code_start_loc": [3953, 319, 1], "filenames": ["test/test_jit.py", "torch/csrc/jit/frontend/script_type_parser.cpp", "torch/jit/annotations.py"], "fixing_code_end_loc": [3962, 320, 176], "fixing_code_start_loc": [3954, 319, 2], "message": "In PyTorch before trunk/89695, t... | 858 |
Determine whether the {function_name} code is vulnerable or not. | [
"#include <torch/csrc/jit/frontend/script_type_parser.h>",
"#include <ATen/core/type_factory.h>\n#include <torch/csrc/jit/frontend/parser.h>\n#include <torch/csrc/jit/ir/ir.h>\n#include <torch/custom_class.h>",
"namespace torch {\nnamespace jit {\nnamespace {",
"bool isTorch(const Expr& expr) {\n return expr... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
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1,
1,
1,
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1,
0,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1
] | PreciseBugs | {"buggy_code_end_loc": [3953, 320, 166], "buggy_code_start_loc": [3953, 319, 1], "filenames": ["test/test_jit.py", "torch/csrc/jit/frontend/script_type_parser.cpp", "torch/jit/annotations.py"], "fixing_code_end_loc": [3962, 320, 176], "fixing_code_start_loc": [3954, 319, 2], "message": "In PyTorch before trunk/89695, t... | 858 |
Determine whether the {function_name} code is vulnerable or not. | [
"#include <torch/csrc/jit/frontend/script_type_parser.h>",
"#include <ATen/core/type_factory.h>\n#include <torch/csrc/jit/frontend/parser.h>\n#include <torch/csrc/jit/ir/ir.h>\n#include <torch/custom_class.h>",
"namespace torch {\nnamespace jit {\nnamespace {",
"bool isTorch(const Expr& expr) {\n return expr... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1
] | PreciseBugs | {"buggy_code_end_loc": [3953, 320, 166], "buggy_code_start_loc": [3953, 319, 1], "filenames": ["test/test_jit.py", "torch/csrc/jit/frontend/script_type_parser.cpp", "torch/jit/annotations.py"], "fixing_code_end_loc": [3962, 320, 176], "fixing_code_start_loc": [3954, 319, 2], "message": "In PyTorch before trunk/89695, t... | 858 |
Determine whether the {function_name} code is vulnerable or not. | [
"import ast",
"",
"import enum\nimport inspect\nimport re\nimport builtins\nimport torch\nimport warnings\nfrom .._jit_internal import List, Tuple, is_tuple, is_list, Dict, is_dict, Optional, \\\n is_optional, _qualified_name, Any, Future, is_future, is_ignored_fn, Union, is_union\nfrom .._jit_internal impor... | [
1,
0,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
0,
1,
1,
1,
0,
1,
1,
1,
0,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1
] | PreciseBugs | {"buggy_code_end_loc": [3953, 320, 166], "buggy_code_start_loc": [3953, 319, 1], "filenames": ["test/test_jit.py", "torch/csrc/jit/frontend/script_type_parser.cpp", "torch/jit/annotations.py"], "fixing_code_end_loc": [3962, 320, 176], "fixing_code_start_loc": [3954, 319, 2], "message": "In PyTorch before trunk/89695, t... | 858 |
Determine whether the {function_name} code is vulnerable or not. | [
"import ast",
"import dis",
"import enum\nimport inspect\nimport re\nimport builtins\nimport torch\nimport warnings\nfrom .._jit_internal import List, Tuple, is_tuple, is_list, Dict, is_dict, Optional, \\\n is_optional, _qualified_name, Any, Future, is_future, is_ignored_fn, Union, is_union\nfrom .._jit_inte... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1
] | PreciseBugs | {"buggy_code_end_loc": [3953, 320, 166], "buggy_code_start_loc": [3953, 319, 1], "filenames": ["test/test_jit.py", "torch/csrc/jit/frontend/script_type_parser.cpp", "torch/jit/annotations.py"], "fixing_code_end_loc": [3962, 320, 176], "fixing_code_start_loc": [3954, 319, 2], "message": "In PyTorch before trunk/89695, t... | 858 |
Determine whether the {function_name} code is vulnerable or not. | [
"#ifndef _LINUX_MM_H\n#define _LINUX_MM_H",
"#include <linux/errno.h>",
"#ifdef __KERNEL__",
"#include <linux/gfp.h>\n#include <linux/bug.h>\n#include <linux/list.h>\n#include <linux/mmzone.h>\n#include <linux/rbtree.h>\n#include <linux/atomic.h>\n#include <linux/debug_locks.h>\n#include <linux/mm_types.h>\n#... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [1613, 2395], "buggy_code_start_loc": [1613, 2395], "filenames": ["include/linux/mm.h", "mm/memory.c"], "fixing_code_end_loc": [1616, 2443], "fixing_code_start_loc": [1614, 2396], "message": "Integer overflow in the fb_mmap function in drivers/video/fbmem.c in the Linux kernel before 3.8.9, as us... | 859 |
Determine whether the {function_name} code is vulnerable or not. | [
"#ifndef _LINUX_MM_H\n#define _LINUX_MM_H",
"#include <linux/errno.h>",
"#ifdef __KERNEL__",
"#include <linux/gfp.h>\n#include <linux/bug.h>\n#include <linux/list.h>\n#include <linux/mmzone.h>\n#include <linux/rbtree.h>\n#include <linux/atomic.h>\n#include <linux/debug_locks.h>\n#include <linux/mm_types.h>\n#... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [1613, 2395], "buggy_code_start_loc": [1613, 2395], "filenames": ["include/linux/mm.h", "mm/memory.c"], "fixing_code_end_loc": [1616, 2443], "fixing_code_start_loc": [1614, 2396], "message": "Integer overflow in the fb_mmap function in drivers/video/fbmem.c in the Linux kernel before 3.8.9, as us... | 859 |
Determine whether the {function_name} code is vulnerable or not. | [
"/*\n * linux/mm/memory.c\n *\n * Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds\n */",
"/*\n * demand-loading started 01.12.91 - seems it is high on the list of\n * things wanted, and it should be easy to implement. - Linus\n */",
"/*\n * Ok, demand-loading was easy, shared pages a little bit tricker. ... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [1613, 2395], "buggy_code_start_loc": [1613, 2395], "filenames": ["include/linux/mm.h", "mm/memory.c"], "fixing_code_end_loc": [1616, 2443], "fixing_code_start_loc": [1614, 2396], "message": "Integer overflow in the fb_mmap function in drivers/video/fbmem.c in the Linux kernel before 3.8.9, as us... | 859 |
Determine whether the {function_name} code is vulnerable or not. | [
"/*\n * linux/mm/memory.c\n *\n * Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds\n */",
"/*\n * demand-loading started 01.12.91 - seems it is high on the list of\n * things wanted, and it should be easy to implement. - Linus\n */",
"/*\n * Ok, demand-loading was easy, shared pages a little bit tricker. ... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [1613, 2395], "buggy_code_start_loc": [1613, 2395], "filenames": ["include/linux/mm.h", "mm/memory.c"], "fixing_code_end_loc": [1616, 2443], "fixing_code_start_loc": [1614, 2396], "message": "Integer overflow in the fb_mmap function in drivers/video/fbmem.c in the Linux kernel before 3.8.9, as us... | 859 |
Determine whether the {function_name} code is vulnerable or not. | [
"/*-\n * SPDX-License-Identifier: BSD-3-Clause\n *\n * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved.\n * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.\n * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.\n *\n * Redistribution and use in source and binary f... | [
1,
1,
0,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [1425, 7465], "buggy_code_start_loc": [37, 37], "filenames": ["usrsctplib/netinet/sctp_auth.c", "usrsctplib/netinet/sctp_pcb.c"], "fixing_code_end_loc": [1426, 7469], "fixing_code_start_loc": [37, 37], "message": "usrsctp before 2019-12-20 has out-of-bounds reads in sctp_load_addresses_from_init.... | 860 |
Determine whether the {function_name} code is vulnerable or not. | [
"/*-\n * SPDX-License-Identifier: BSD-3-Clause\n *\n * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved.\n * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.\n * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.\n *\n * Redistribution and use in source and binary f... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [1425, 7465], "buggy_code_start_loc": [37, 37], "filenames": ["usrsctplib/netinet/sctp_auth.c", "usrsctplib/netinet/sctp_pcb.c"], "fixing_code_end_loc": [1426, 7469], "fixing_code_start_loc": [37, 37], "message": "usrsctp before 2019-12-20 has out-of-bounds reads in sctp_load_addresses_from_init.... | 860 |
Determine whether the {function_name} code is vulnerable or not. | [
"/*-\n * SPDX-License-Identifier: BSD-3-Clause\n *\n * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved.\n * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.\n * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.\n *\n * Redistribution and use in source and binary f... | [
1,
1,
0,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [1425, 7465], "buggy_code_start_loc": [37, 37], "filenames": ["usrsctplib/netinet/sctp_auth.c", "usrsctplib/netinet/sctp_pcb.c"], "fixing_code_end_loc": [1426, 7469], "fixing_code_start_loc": [37, 37], "message": "usrsctp before 2019-12-20 has out-of-bounds reads in sctp_load_addresses_from_init.... | 860 |
Determine whether the {function_name} code is vulnerable or not. | [
"/*-\n * SPDX-License-Identifier: BSD-3-Clause\n *\n * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved.\n * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.\n * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.\n *\n * Redistribution and use in source and binary f... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [1425, 7465], "buggy_code_start_loc": [37, 37], "filenames": ["usrsctplib/netinet/sctp_auth.c", "usrsctplib/netinet/sctp_pcb.c"], "fixing_code_end_loc": [1426, 7469], "fixing_code_start_loc": [37, 37], "message": "usrsctp before 2019-12-20 has out-of-bounds reads in sctp_load_addresses_from_init.... | 860 |
Determine whether the {function_name} code is vulnerable or not. | [
"\"\"\"Domain related views.\"\"\"",
"from functools import reduce",
"from reversion import revisions as reversion",
"from django.contrib.auth import mixins as auth_mixins\nfrom django.contrib.auth.decorators import (\n login_required, permission_required, user_passes_test\n)\nfrom django.db.models import ... | [
1,
1,
1,
1,
0,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
0,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1
] | PreciseBugs | {"buggy_code_end_loc": [232], "buggy_code_start_loc": [18], "filenames": ["modoboa/admin/views/domain.py"], "fixing_code_end_loc": [235], "fixing_code_start_loc": [19], "message": "Cross-Site Request Forgery (CSRF) in GitHub repository modoboa/modoboa prior to 2.0.4.", "other": {"cve": {"cisaActionDue": null, "cisaExpl... | 861 |
Determine whether the {function_name} code is vulnerable or not. | [
"\"\"\"Domain related views.\"\"\"",
"from functools import reduce",
"from reversion import revisions as reversion",
"from django.contrib.auth import mixins as auth_mixins\nfrom django.contrib.auth.decorators import (\n login_required, permission_required, user_passes_test\n)\nfrom django.db.models import ... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1
] | PreciseBugs | {"buggy_code_end_loc": [232], "buggy_code_start_loc": [18], "filenames": ["modoboa/admin/views/domain.py"], "fixing_code_end_loc": [235], "fixing_code_start_loc": [19], "message": "Cross-Site Request Forgery (CSRF) in GitHub repository modoboa/modoboa prior to 2.0.4.", "other": {"cve": {"cisaActionDue": null, "cisaExpl... | 861 |
Determine whether the {function_name} code is vulnerable or not. | [
"",
"<p align=\"center\">\n<strong>\n<a href=\"https://www.rdiffweb.org\">website</a>\n• <a href=\"https://www.ikus-soft.com/archive/rdiffweb/doc/latest/html/\">docs</a>\n• <a href=\"https://groups.google.com/d/forum/rdif... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
0,
1,
1,
0,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [117, 54, 113], "buggy_code_start_loc": [110, 53, 113], "filenames": ["README.md", "rdiffweb/controller/pref_sshkeys.py", "rdiffweb/controller/tests/test_page_prefs_ssh.py"], "fixing_code_end_loc": [119, 60, 131], "fixing_code_start_loc": [110, 53, 114], "message": "Allocation of Resources Withou... | 862 |
Determine whether the {function_name} code is vulnerable or not. | [
"",
"<p align=\"center\">\n<strong>\n<a href=\"https://www.rdiffweb.org\">website</a>\n• <a href=\"https://www.ikus-soft.com/archive/rdiffweb/doc/latest/html/\">docs</a>\n• <a href=\"https://groups.google.com/d/forum/rdif... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... | PreciseBugs | {"buggy_code_end_loc": [117, 54, 113], "buggy_code_start_loc": [110, 53, 113], "filenames": ["README.md", "rdiffweb/controller/pref_sshkeys.py", "rdiffweb/controller/tests/test_page_prefs_ssh.py"], "fixing_code_end_loc": [119, 60, 131], "fixing_code_start_loc": [110, 53, 114], "message": "Allocation of Resources Withou... | 862 |
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