Add files using upload-large-folder tool

local-test-commons-compress-delta-03/fuzz-tooling/infra/base-images/base-builder-python/Dockerfile

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+# Copyright 2021 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+
+ARG IMG_TAG=latest
+FROM ghcr.io/aixcc-finals/base-builder:${IMG_TAG}
+
+RUN install_python.sh

local-test-commons-compress-delta-03/fuzz-tooling/infra/base-images/base-builder/bash_parser.py

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+#!/usr/bin/python3
+# Copyright 2024 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import os
+import sys
+
+from glob import glob
+
+import bashlex
+
+
+def find_all_bash_scripts_in_src():
+  """Finds all bash scripts that exist in SRC/. This is used to idenfiy scripts
+  that may be needed for reading during the AST parsing. This is the case
+  when a given build script calls another build script, then we need to
+  read those."""
+  all_local_scripts = [
+      y for x in os.walk('/src/') for y in glob(os.path.join(x[0], '*.sh'))
+  ]
+  scripts_we_care_about = []
+  to_ignore = {'aflplusplus', 'honggfuzz', '/fuzztest', '/centipede'}
+  for s in all_local_scripts:
+    if any([x for x in to_ignore if x in s]):
+      continue
+    scripts_we_care_about.append(s)
+
+  print(scripts_we_care_about)
+  return scripts_we_care_about
+
+
+def should_discard_command(ast_tree) -> bool:
+  """Returns True if the command shuold be avoided, otherwise False"""
+  try:
+    first_word = ast_tree.parts[0].word
+  except:  # pylint: disable=bare-except
+    return False
+
+  if ('cmake' in first_word and
+      any('--build' in part.word for part in ast_tree.parts)):
+    return False
+
+  cmds_to_avoid_replaying = {
+      'configure', 'autoheader', 'autoconf', 'autoreconf', 'cmake', 'autogen.sh'
+  }
+  if any([cmd for cmd in cmds_to_avoid_replaying if cmd in first_word]):
+    return True
+
+  # Avoid all "make clean" calls. We dont want to erase previously build
+  # files.
+  try:
+    second_word = ast_tree.parts[1].word
+  except:  # pylint: disable=bare-except
+    return False
+  if 'make' in first_word and 'clean' in second_word:
+    return True
+
+  # No match was found to commands we dont want to build. There is no
+  # indication we shuold avoid.
+  return False
+
+
+def is_local_redirection(ast_node, all_local_scripts):
+  """Return the list of scripts corresponding to the command, in case
+    the command is an execution of a local script."""
+  # print("Checking")
+
+  # Capture local script called with ./random/path/build.sh
+
+  if len(ast_node.parts) >= 2:
+    try:
+      ast_node.parts[0].word
+    except:
+      return []
+    if ast_node.parts[0].word == '.':
+      suffixes_matching = []
+      #print(ast_node.parts[1].word)
+      for bash_script in all_local_scripts:
+        #print("- %s"%(bash_script))
+        cmd_to_exec = ast_node.parts[1].word.replace('$SRC', 'src')
+        if bash_script.endswith(cmd_to_exec):
+          suffixes_matching.append(bash_script)
+      #print(suffixes_matching)
+      return suffixes_matching
+  # Capture a local script called with $SRC/random/path/build.sh
+  if len(ast_node.parts) >= 1:
+    if '$SRC' in ast_node.parts[0].word:
+      suffixes_matching = []
+      print(ast_node.parts[0].word)
+      for bash_script in all_local_scripts:
+        print("- %s" % (bash_script))
+        cmd_to_exec = ast_node.parts[0].word.replace('$SRC', 'src')
+        if bash_script.endswith(cmd_to_exec):
+          suffixes_matching.append(bash_script)
+      print(suffixes_matching)
+      return suffixes_matching
+
+  return []
+
+
+def handle_ast_command(ast_node, all_scripts_in_fs, raw_script):
+  """Generate bash script string for command node"""
+  new_script = ''
+  if should_discard_command(ast_node):
+    return ''
+
+  matches = is_local_redirection(ast_node, all_scripts_in_fs)
+  if len(matches) == 1:
+    new_script += parse_script(matches[0], all_scripts_in_fs) + '\n'
+    return ''
+
+  # Extract the command from the script string
+  idx_start = ast_node.pos[0]
+  idx_end = ast_node.pos[1]
+  new_script += raw_script[idx_start:idx_end]
+  #new_script += '\n'
+
+  # If mkdir is used, then ensure that '-p' is provided, as
+  # otherwise we will run into failures. We don't have to worry
+  # about multiple uses of -p as `mkdir -p -p -p`` is valid.
+  new_script = new_script.replace('mkdir', 'mkdir -p')
+  return new_script
+
+
+def handle_ast_list(ast_node, all_scripts_in_fs, raw_script):
+  """Handles bashlex AST list."""
+  new_script = ''
+  try_hard = 1
+
+  if not try_hard:
+    list_start = ast_node.pos[0]
+    list_end = ast_node.pos[1]
+    new_script += raw_script[list_start:list_end]  # + '\n'
+  else:
+    # This is more refined logic. Ideally, this should work, but it's a bit
+    # more intricate to get right due to e.g. white-space between positions
+    # and more extensive parsing needed. We don't neccesarily need this
+    # level of success rate for what we're trying to achieve, so am disabling
+    # this for now.
+    for part in ast_node.parts:
+      if part.kind == 'list':
+        new_script += handle_ast_list(part, all_scripts_in_fs, raw_script)
+      elif part.kind == 'command':
+        new_script += handle_ast_command(part, all_scripts_in_fs, raw_script)
+      else:
+        idx_start = part.pos[0]
+        idx_end = part.pos[1]
+        new_script += raw_script[idx_start:idx_end]
+      new_script += ' '
+
+  # Make sure what was created is valid syntax, and otherwise return empty
+  try:
+    bashlex.parse(new_script)
+  except:  # pylint: disable=bare-except
+    # Maybe return the original here instead of skipping?
+    return ''
+  return new_script
+
+
+def handle_ast_compound(ast_node, all_scripts_in_fs, raw_script):
+  """Handles bashlex compound AST node."""
+  new_script = ''
+  list_start = ast_node.pos[0]
+  list_end = ast_node.pos[1]
+  new_script += raw_script[list_start:list_end] + '\n'
+  return new_script
+
+
+def handle_node(ast_node, all_scripts_in_fs, build_script):
+  """Generates a bash script string for a given node"""
+  if ast_node.kind == 'command':
+    return handle_ast_command(ast_node, all_scripts_in_fs, build_script)
+  elif ast_node.kind == 'list':
+    return handle_ast_list(ast_node, all_scripts_in_fs, build_script)
+  elif ast_node.kind == 'compound':
+    print('todo: handle compound')
+    return handle_ast_compound(ast_node, all_scripts_in_fs, build_script)
+  elif ast_node.kind == 'pipeline':
+    # Not supported
+    return ''
+  else:
+    raise Exception(f'Missing node handling: {ast_node.kind}')
+
+
+def parse_script(bash_script, all_scripts) -> str:
+  """Top-level bash script parser"""
+  new_script = ''
+  with open(bash_script, 'r', encoding='utf-8') as f:
+    build_script = f.read()
+  try:
+    parts = bashlex.parse(build_script)
+  except bashlex.errors.ParsingError:
+    return ''
+  for part in parts:
+    new_script += handle_node(part, all_scripts, build_script)
+    new_script += '\n'
+    print("-" * 45)
+    print(part.kind)
+    print(part.dump())
+
+  return new_script
+
+
+def main():
+  """Main function"""
+  all_scripts = find_all_bash_scripts_in_src()
+  replay_bash_script = parse_script(sys.argv[1], all_scripts)
+
+  print("REPLAYABLE BASH SCRIPT")
+  print("#" * 60)
+  print(replay_bash_script)
+  print("#" * 60)
+
+  out_dir = os.getenv('OUT', '/out')
+  with open(f'{out_dir}/replay-build-script.sh', 'w', encoding='utf-8') as f:
+    f.write(replay_bash_script)
+
+  src_dir = os.getenv('SRC', '/src')
+  with open(f'{src_dir}/replay_build.sh', 'w', encoding='utf-8') as f:
+    f.write(replay_bash_script)
+
+
+if __name__ == "__main__":
+  main()

local-test-commons-compress-delta-03/fuzz-tooling/infra/base-images/base-builder/compile_fuzztests.sh

@@ -0,0 +1,126 @@
+#!/bin/bash -eu
+# Copyright 2022 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+
+set -x
+
+# In order to identify fuzztest test case "bazel query" is used to search
+# the project. A search of the entire project is done with a default "...",
+# however, some projects may fail to, or have very long processing time, if
+# searching the entire project. Additionally, it may include fuzzers in
+# dependencies, which should not be build as part of a given project.
+# Tensorflow is an example project that will fail when the entire project is
+# queried. FUZZTEST_TARGET_FOLDER makes it posible to specify the folder
+# where fuzztest fuzzers should be search for. FUZZTEST_TARGET_FOLDER is passed
+# to "bazel query" below.
+if [[ ${FUZZTEST_TARGET_FOLDER:-"unset"} == "unset" ]];
+then
+  export TARGET_FOLDER="..."
+else
+  TARGET_FOLDER=${FUZZTEST_TARGET_FOLDER}
+fi
+
+BUILD_ARGS="--config=oss-fuzz --subcommands"
+if [[ ${FUZZTEST_EXTRA_ARGS:-"unset"} != "unset" ]];
+then
+  BUILD_ARGS="$BUILD_ARGS ${FUZZTEST_EXTRA_ARGS}"
+fi
+
+# Trigger setup_configs rule of fuzztest as it generates the necessary
+# configuration file based on OSS-Fuzz environment variables.
+bazel run @com_google_fuzztest//bazel:setup_configs >> /etc/bazel.bazelrc
+
+# Bazel target names of the fuzz binaries.
+FUZZ_TEST_BINARIES=$(bazel query "kind(\"cc_test\", rdeps(${TARGET_FOLDER}, @com_google_fuzztest//fuzztest:fuzztest_gtest_main))")
+
+# Bazel output paths of the fuzz binaries.
+FUZZ_TEST_BINARIES_OUT_PATHS=$(bazel cquery "kind(\"cc_test\", rdeps(${TARGET_FOLDER}, @com_google_fuzztest//fuzztest:fuzztest_gtest_main))" --output=files)
+
+# Build the project and fuzz binaries
+# Expose `FUZZTEST_EXTRA_TARGETS` environment variable, in the event a project
+# includes non-FuzzTest fuzzers then this can be used to compile these in the
+# same `bazel build` command as when building the FuzzTest fuzzers.
+# This is to avoid having to call `bazel build` twice.
+bazel build $BUILD_ARGS -- ${FUZZ_TEST_BINARIES[*]} ${FUZZTEST_EXTRA_TARGETS:-}
+
+# Iterate the fuzz binaries and list each fuzz entrypoint in the binary. For
+# each entrypoint create a wrapper script that calls into the binaries the
+# given entrypoint as argument.
+# The scripts will be named:
+# {binary_name}@{fuzztest_entrypoint}
+for fuzz_main_file in $FUZZ_TEST_BINARIES_OUT_PATHS; do
+  FUZZ_TESTS=$($fuzz_main_file --list_fuzz_tests)
+  cp ${fuzz_main_file} $OUT/
+  fuzz_basename=$(basename $fuzz_main_file)
+  chmod -x $OUT/$fuzz_basename
+  for fuzz_entrypoint in $FUZZ_TESTS; do
+    TARGET_FUZZER="${fuzz_basename}@$fuzz_entrypoint"
+
+    # Write executer script
+    echo "#!/bin/sh
+# LLVMFuzzerTestOneInput for fuzzer detection.
+this_dir=\$(dirname \"\$0\")
+chmod +x \$this_dir/$fuzz_basename
+\$this_dir/$fuzz_basename --fuzz=$fuzz_entrypoint -- \$@" > $OUT/$TARGET_FUZZER
+    chmod +x $OUT/$TARGET_FUZZER
+  done
+done
+
+# Synchronise coverage directory to bazel output artifacts. This is a
+# best-effort basis in that it will include source code in common
+# bazel output folders.
+# For projects that store results in non-standard folders or want to
+# manage what code to include in the coverage report more specifically,
+# the FUZZTEST_DO_SYNC environment variable is made available. Projects
+# can then implement a custom way of synchronising source code with the
+# coverage build. Set FUZZTEST_DO_SYNC to something other than "yes" and
+# no effort will be made to automatically synchronise the source code with
+# the code coverage visualisation utility.
+if [[ "$SANITIZER" = "coverage" && ${FUZZTEST_DO_SYNC:-"yes"} == "yes" ]]
+then 
+  # Synchronize bazel source files to coverage collection.
+  declare -r REMAP_PATH="${OUT}/proc/self/cwd"
+  mkdir -p "${REMAP_PATH}"
+  
+  # Synchronize the folder bazel-BAZEL_OUT_PROJECT.
+  declare -r RSYNC_FILTER_ARGS=("--include" "*.h" "--include" "*.cc" "--include" \
+    "*.hpp" "--include" "*.cpp" "--include" "*.c" "--include" "*/" "--include" "*.inc" \
+    "--exclude" "*")
+
+  project_folders="$(find . -name 'bazel-*' -type l -printf '%P\n' | \
+                    grep -v -x -F \
+                    -e 'bazel-bin' \
+                    -e 'bazel-testlogs')"
+  for link in $project_folders; do
+   if [[ -d "${PWD}"/$link/external  ]]
+   then
+     rsync -avLk "${RSYNC_FILTER_ARGS[@]}" "${PWD}"/$link/external "${REMAP_PATH}"
+   fi
+   # k8-opt is a common path for storing bazel output artifacts, e.g. bazel-out/k8-opt.
+   # It's the output folder for default amd-64 builds, but projects may specify custom
+   # platform output directories, see: https://github.com/bazelbuild/bazel/issues/13818
+   # We support the default at the moment, and if a project needs custom synchronizing of
+   # output artifacts and code coverage we currently recommend using FUZZTEST_DO_SYNC.
+   if [[ -d "${PWD}"/$link/k8-opt  ]]
+   then
+     rsync -avLk "${RSYNC_FILTER_ARGS[@]}" "${PWD}"/$link/k8-opt "${REMAP_PATH}"/$link
+   fi
+  done
+
+  # Delete symlinks and sync the current folder.
+  find . -type l -ls -delete
+  rsync -av ${PWD}/ "${REMAP_PATH}"
+fi

local-test-commons-compress-delta-03/fuzz-tooling/infra/base-images/base-builder/compile_honggfuzz

@@ -0,0 +1,33 @@
+#!/bin/bash -eu
+# Copyright 2016 Google Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+
+echo "Skipping compilation; using precompiled honggfuzz"
+
+cp $SRC/honggfuzz/honggfuzz.a $LIB_FUZZING_ENGINE
+cp $SRC/honggfuzz/honggfuzz $OUT/
+
+# Set flags necessary for netdriver compilation.
+export LIB_HFND="-Wl,-u,LIBHFNETDRIVER_module_netdriver -Wl,--start-group $SRC/honggfuzz/libhfnetdriver/libhfnetdriver.a $SRC/honggfuzz/libhfcommon/libhfcommon.a -Wl,--end-group"
+
+export HFND_CXXFLAGS='-DHFND_FUZZING_ENTRY_FUNCTION_CXX(x,y)=extern const char* LIBHFNETDRIVER_module_netdriver;const char** LIBHFNETDRIVER_tmp1 = &LIBHFNETDRIVER_module_netdriver;extern "C" int HonggfuzzNetDriver_main(x,y);int HonggfuzzNetDriver_main(x,y)'
+export HFND_CFLAGS='-DHFND_FUZZING_ENTRY_FUNCTION(x,y)=extern const char* LIBHFNETDRIVER_module_netdriver;const char** LIBHFNETDRIVER_tmp1 = &LIBHFNETDRIVER_module_netdriver;int HonggfuzzNetDriver_main(x,y);int HonggfuzzNetDriver_main(x,y)'
+
+# Custom coverage flags, roughly in sync with:
+# https://github.com/google/honggfuzz/blob/oss-fuzz/hfuzz_cc/hfuzz-cc.c
+export COVERAGE_FLAGS="-fsanitize-coverage=trace-pc-guard,indirect-calls,trace-cmp"
+
+echo " done."

local-test-commons-compress-delta-03/fuzz-tooling/infra/base-images/base-builder/compile_native_go_fuzzer

@@ -0,0 +1,60 @@
+#!/bin/bash -eu
+# Copyright 2022 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+
+function build_native_go_fuzzer() {
+	fuzzer=$1
+	function=$2
+	path=$3
+	tags="-tags gofuzz"
+
+	if [[ $SANITIZER == *coverage* ]]; then
+		current_dir=$(pwd)
+		mkdir $OUT/rawfuzzers || true
+		cd $abs_file_dir
+		go test $tags -c -run $fuzzer -o $OUT/$fuzzer -cover
+		cp "${fuzzer_filename}" "${OUT}/rawfuzzers/${fuzzer}"
+
+		fuzzed_repo=$(go list $tags -f {{.Module}} "$path")
+  		abspath_repo=`go list -m $tags -f {{.Dir}} $fuzzed_repo || go list $tags -f {{.Dir}} $fuzzed_repo`
+  		# give equivalence to absolute paths in another file, as go test -cover uses golangish pkg.Dir
+  		echo "s=$fuzzed_repo"="$abspath_repo"= > $OUT/$fuzzer.gocovpath
+
+		cd $current_dir
+	else
+		go-118-fuzz-build $tags -o $fuzzer.a -func $function $abs_file_dir
+		$CXX $CXXFLAGS $LIB_FUZZING_ENGINE $fuzzer.a -o $OUT/$fuzzer
+	fi
+}
+
+path=$1
+function=$2
+fuzzer=$3
+tags="-tags gofuzz"
+
+# Get absolute path.
+abs_file_dir=$(go list $tags -f {{.Dir}} $path)
+
+# TODO(adamkorcz): Get rid of "-r" flag here.
+fuzzer_filename=$(grep -r -l --include='*.go' -s "$function" "${abs_file_dir}")
+
+# Test if file contains a line with "func $function" and "testing.F".
+if [ $(grep -r "func $function" $fuzzer_filename | grep "testing.F" | wc -l) -eq 1 ]
+then
+	build_native_go_fuzzer $fuzzer $function $abs_file_dir
+else
+	echo "Could not find the function: func ${function}(f *testing.F)"
+fi

local-test-commons-compress-delta-03/fuzz-tooling/infra/base-images/base-builder/debug_afl

@@ -0,0 +1,40 @@
+#!/bin/bash
+# Copyright 2021 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+
+# Source this file for afl++ debug sessions.
+apt-get update
+apt-get install -y strace gdb vim joe psmisc
+
+pushd $SRC/aflplusplus > /dev/null
+git checkout dev
+git pull
+test -n "$1" && { git checkout "$1" ; git pull ; }
+CFLAGS_SAVE="$CFLAGS"
+CXXFLAGS_SAVE="$CXXFLAGS"
+unset CFLAGS
+unset CXXFLAGS
+make
+export CFLAGS="$CFLAGS_SAVE"
+export CXXFLAGS="$CXXFLAGS_SAVE"
+popd > /dev/null
+
+export ASAN_OPTIONS="detect_leaks=0:symbolize=0:detect_odr_violation=0:abort_on_error=1"
+export AFL_LLVM_LAF_ALL=1
+export AFL_LLVM_CMPLOG=1
+touch "$OUT/afl_cmplog.txt"
+export AFL_LLVM_DICT2FILE=$OUT/afl++.dict
+ulimit -c unlimited

local-test-commons-compress-delta-03/fuzz-tooling/infra/base-images/base-builder/install_ruby.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+# Copyright 2024 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+
+apt update
+apt install -y lsb-release software-properties-common gnupg2 binutils xz-utils libyaml-dev
+gpg2 --keyserver keyserver.ubuntu.com --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3 7D2BAF1CF37B13E2069D6956105BD0E739499BDB
+curl -sSL https://get.rvm.io | bash
+
+. /etc/profile.d/rvm.sh
+
+rvm install ruby-3.3.1

local-test-commons-compress-delta-03/fuzz-tooling/infra/base-images/base-builder/install_rust.sh

@@ -0,0 +1,22 @@
+#!/bin/bash -eux
+# Copyright 2021 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+
+curl https://sh.rustup.rs | sh -s -- -y --default-toolchain=$RUSTUP_TOOLCHAIN --profile=minimal
+cargo install cargo-fuzz --locked && rm -rf /rust/registry
+# Needed to recompile rust std library for MSAN
+rustup component add rust-src
+cp -r /usr/local/lib/x86_64-unknown-linux-gnu/* /usr/local/lib/

local-test-commons-compress-delta-03/fuzz-tooling/infra/base-images/base-builder/ossfuzz_coverage_runner.go

@@ -0,0 +1,69 @@
+// Copyright 2020 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package mypackagebeingfuzzed
+
+import (
+	"io/ioutil"
+	"os"
+	"runtime/pprof"
+	"testing"
+)
+
+func TestFuzzCorpus(t *testing.T) {
+	dir := os.Getenv("FUZZ_CORPUS_DIR")
+	if dir == "" {
+		t.Logf("No fuzzing corpus directory set")
+		return
+	}
+	infos, err := ioutil.ReadDir(dir)
+	if err != nil {
+		t.Logf("Not fuzzing corpus directory %s", err)
+		return
+	}
+	filename := ""
+	defer func() {
+		if r := recover(); r != nil {
+			t.Error("Fuzz panicked in "+filename, r)
+		}
+	}()
+	profname := os.Getenv("FUZZ_PROFILE_NAME")
+	if profname != "" {
+		f, err := os.Create(profname + ".cpu.prof")
+		if err != nil {
+			t.Logf("error creating profile file %s\n", err)
+		} else {
+			_ = pprof.StartCPUProfile(f)
+		}
+	}
+	for i := range infos {
+		filename = dir + infos[i].Name()
+		data, err := ioutil.ReadFile(filename)
+		if err != nil {
+			t.Error("Failed to read corpus file", err)
+		}
+		FuzzFunction(data)
+	}
+	if profname != "" {
+		pprof.StopCPUProfile()
+		f, err := os.Create(profname + ".heap.prof")
+		if err != nil {
+			t.Logf("error creating heap profile file %s\n", err)
+		}
+		if err = pprof.WriteHeapProfile(f); err != nil {
+			t.Logf("error writing heap profile file %s\n", err)
+		}
+		f.Close()
+	}
+}

local-test-commons-compress-delta-03/fuzz-tooling/infra/base-images/base-builder/precompile_afl

@@ -0,0 +1,35 @@
+#!/bin/bash -eu
+# Copyright 2021 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+
+echo "Precompiling AFLplusplus"
+
+pushd $SRC/aflplusplus > /dev/null
+make clean
+# Unset CFLAGS and CXXFLAGS while building AFL since we don't want to slow it
+# down with sanitizers.
+SAVE_CXXFLAGS=$CXXFLAGS
+SAVE_CFLAGS=$CFLAGS
+unset CXXFLAGS
+unset CFLAGS
+export AFL_IGNORE_UNKNOWN_ENVS=1
+make clean
+AFL_NO_X86=1 PYTHON_INCLUDE=/ make
+make -C utils/aflpp_driver
+
+popd > /dev/null
+
+echo "Done."

local-test-commons-compress-delta-03/fuzz-tooling/infra/base-images/base-builder/precompile_honggfuzz

@@ -0,0 +1,45 @@
+#!/bin/bash -eu
+# Copyright 2019 Google Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+
+echo "Precompiling honggfuzz"
+export BUILD_OSSFUZZ_STATIC=true
+
+PACKAGES=(
+    libunwind8-dev
+    libblocksruntime-dev
+    liblzma-dev
+    libiberty-dev
+    zlib1g-dev
+    pkg-config)
+
+apt-get update && apt-get install -y ${PACKAGES[@]}
+
+pushd $SRC/honggfuzz > /dev/null
+make clean
+# These CFLAGs match honggfuzz's default, with the exception of -mtune to
+# improve portability and `-D_HF_LINUX_NO_BFD` to remove assembly instructions
+# from the filenames.
+CC=clang CFLAGS="-O3 -funroll-loops -D_HF_LINUX_NO_BFD" make
+
+# libhfuzz.a will be added by CC/CXX linker directly during linking,
+# but it's defined here to satisfy the build infrastructure
+ar rcs honggfuzz.a libhfuzz/*.o libhfcommon/*.o
+popd > /dev/null
+
+apt-get remove -y --purge ${PACKAGES[@]}
+apt-get autoremove -y
+echo "Done."

local-test-commons-compress-delta-03/fuzz-tooling/infra/base-images/base-builder/python_coverage_helper.py

@@ -0,0 +1,120 @@
+# Copyright 2022 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+"""Extracts file paths to copy files from pyinstaller-generated executables"""
+import os
+import sys
+import shutil
+import zipfile
+
+
+# Finds all *.toc files in ./workpath and reads these files in order to
+# identify Python files associated with a pyinstaller packaged executable.
+# Copies all of the Python files to a temporary directory (/medio) following
+# the original directory structure.
+def get_all_files_from_toc(toc_file, file_path_set):
+  """
+  Extract filepaths from a .toc file and add to file_path_set
+  """
+  with open(toc_file, 'rb') as toc_file_fd:
+    for line in toc_file_fd:
+      try:
+        line = line.decode()
+      except:  # pylint:disable=bare-except
+        continue
+      if '.py' not in line:
+        continue
+
+      split_line = line.split(' ')
+      for word in split_line:
+        word = word.replace('\'', '').replace(',', '').replace('\n', '')
+        if '.py' not in word:
+          continue
+        # Check if .egg is in the path and if so we need to split it
+        if os.path.isfile(word):
+          file_path_set.add(word)
+        elif '.egg' in word:  # check if this is an egg
+          egg_path_split = word.split('.egg')
+          if len(egg_path_split) != 2:
+            continue
+          egg_path = egg_path_split[0] + '.egg'
+          if not os.path.isfile(egg_path):
+            continue
+
+          print('Unzipping contents of %s' % egg_path)
+
+          # We have an egg. This needs to be unzipped and then replaced
+          # with the unzipped data.
+          tmp_dir_name = 'zipdcontents'
+          if os.path.isdir(tmp_dir_name):
+            shutil.rmtree(tmp_dir_name)
+
+          # unzip egg and replace path with unzipped content
+          with zipfile.ZipFile(egg_path, 'r') as zip_f:
+            zip_f.extractall(tmp_dir_name)
+          os.remove(egg_path)
+          shutil.copytree(tmp_dir_name, egg_path)
+
+          # Now the lines should be accessible, so check again
+          if os.path.isfile(word):
+            file_path_set.add(word)
+
+
+def create_file_structure_from_tocs(work_path, out_path):
+  """
+  Extract the Python files that are added as paths in the output of
+  a pyinstaller operation. The files are determined by reading through
+  all of the *.toc files in the workpath of pyinstaller.
+
+  The files will be copied into the out_path using a similar file path
+  as they originally are. If any archive (.egg) files are present in the
+  .toc files, then unzip the archives and substitute the archive for the
+  unzipped content, i.e. we will extract the archives and collect the source
+  files.
+  """
+  print('Extracts files from the pyinstaller workpath')
+  file_path_set = set()
+  for path1 in os.listdir(work_path):
+    full_path = os.path.join(work_path, path1)
+    if not os.path.isdir(full_path):
+      continue
+
+    # We have a directory
+    for path2 in os.listdir(full_path):
+      if not '.toc' in path2:
+        continue
+      full_toc_file = os.path.join(full_path, path2)
+      get_all_files_from_toc(full_toc_file, file_path_set)
+
+  for file_path in file_path_set:
+    relative_src = file_path[1:] if file_path[0] == '/' else file_path
+    dst_path = os.path.join(out_path, relative_src)
+    os.makedirs(os.path.dirname(dst_path), exist_ok=True)
+    shutil.copy(file_path, dst_path)
+
+
+def main():
+  """
+  Main handler.
+  """
+  if len(sys.argv) != 3:
+    print('Use: python3 python_coverage_helper.py pyinstaller_workpath '
+          'destination_for_output')
+    sys.exit(1)
+  work_path = sys.argv[1]
+  out_path = sys.argv[2]
+  create_file_structure_from_tocs(work_path, out_path)
+
+
+if __name__ == '__main__':
+  main()

local-test-commons-compress-delta-03/fuzz-tooling/infra/base-images/base-builder/write_labels.py

@@ -0,0 +1,40 @@
+#!/usr/bin/env python3
+# Copyright 2021 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+"""Script for writing from project.yaml to .labels file."""
+
+import os
+import json
+import sys
+
+
+def main():
+  """Writes labels."""
+  if len(sys.argv) != 3:
+    print('Usage: write_labels.py labels_json out_dir', file=sys.stderr)
+    sys.exit(1)
+
+  labels_by_target = json.loads(sys.argv[1])
+  out = sys.argv[2]
+
+  for target_name, labels in labels_by_target.items():
+    # Skip over wildcard value applying to all fuzz targets
+    if target_name == '*':
+      continue
+    with open(os.path.join(out, target_name + '.labels'), 'w') as file_handle:
+      file_handle.write('\n'.join(labels))
+
+
+if __name__ == '__main__':
+  main()

local-test-commons-compress-delta-03/fuzz-tooling/infra/base-images/base-image/Dockerfile

@@ -0,0 +1,46 @@
+# Copyright 2016 Google Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+
+# Base image for all other images.
+
+ARG parent_image=ubuntu:20.04@sha256:4a45212e9518f35983a976eead0de5eecc555a2f047134e9dd2cfc589076a00d
+
+FROM $parent_image
+
+ENV DEBIAN_FRONTEND noninteractive
+# Install tzadata to match ClusterFuzz
+# (https://github.com/google/oss-fuzz/issues/9280).
+
+# Use Azure mirrors for consistent apt repository access.
+RUN cp /etc/apt/sources.list /etc/apt/sources.list.backup && \
+    sed -i 's|http://archive.ubuntu.com/ubuntu/|http://azure.archive.ubuntu.com/ubuntu/|g' /etc/apt/sources.list && \
+    sed -i 's|http://security.ubuntu.com/ubuntu/|http://azure.archive.ubuntu.com/ubuntu/|g' /etc/apt/sources.list
+
+
+RUN apt-get update && \
+    apt-get upgrade -y && \
+    apt-get install -y libc6-dev binutils libgcc-9-dev tzdata locales locales-all && \
+    apt-get autoremove -y
+
+ENV OUT=/out
+ENV SRC=/src
+ENV WORK=/work
+ENV PATH="$PATH:/out"
+ENV HWASAN_OPTIONS=random_tags=0
+#set locale to utf8
+ENV LC_ALL=C.UTF-8
+
+RUN mkdir -p $OUT $SRC $WORK && chmod a+rwx $OUT $SRC $WORK

local-test-commons-compress-delta-03/fuzz-tooling/infra/base-images/base-runner/Dockerfile

@@ -0,0 +1,139 @@
+# Copyright 2016 Google Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+
+# Build rust stuff in its own image. We only need the resulting binaries.
+# Keeping the rust toolchain in the image wastes 1 GB.
+ARG IMG_TAG=latest
+FROM ghcr.io/aixcc-finals/base-image:${IMG_TAG} as temp-runner-binary-builder
+
+RUN apt-get update && apt-get install -y cargo libyaml-dev
+RUN cargo install rustfilt
+
+# Using multi-stage build to copy some LLVM binaries needed in the runner image.
+FROM ghcr.io/aixcc-finals/base-clang:${IMG_TAG} AS base-clang
+FROM ghcr.io/aixcc-finals/base-builder-ruby:${IMG_TAG} AS base-ruby
+
+# The base builder image compiles a specific Python version. Using a multi-stage build
+# to copy that same Python interpreter into the runner image saves build time and keeps
+# the Python versions in sync.
+FROM ghcr.io/aixcc-finals/base-builder:${IMG_TAG} AS base-builder
+
+# Real image that will be used later.
+FROM ghcr.io/aixcc-finals/base-image:${IMG_TAG}
+
+COPY --from=temp-runner-binary-builder /root/.cargo/bin/rustfilt /usr/local/bin
+
+# Copy the binaries needed for code coverage and crash symbolization.
+COPY --from=base-clang /usr/local/bin/llvm-cov \
+     /usr/local/bin/llvm-profdata \
+     /usr/local/bin/llvm-symbolizer \
+     /usr/local/bin/
+
+# Copy the pre-compiled Python binaries and libraries
+COPY --from=base-builder /usr/local/bin/python3.10 /usr/local/bin/python3.10
+COPY --from=base-builder /usr/local/lib/libpython3.10.so.1.0 /usr/local/lib/libpython3.10.so.1.0
+COPY --from=base-builder /usr/local/include/python3.10 /usr/local/include/python3.10
+COPY --from=base-builder /usr/local/lib/python3.10 /usr/local/lib/python3.10
+COPY --from=base-builder /usr/local/bin/pip3 /usr/local/bin/pip3
+
+# Create symbolic links to ensure compatibility
+RUN ldconfig && \
+    ln -s /usr/local/bin/python3.10 /usr/local/bin/python3 && \
+    ln -s /usr/local/bin/python3.10 /usr/local/bin/python
+
+COPY install_deps.sh /
+RUN /install_deps.sh && rm /install_deps.sh
+
+ENV CODE_COVERAGE_SRC=/opt/code_coverage
+# Pin coverage to the same as in the base builder:
+# https://github.com/google/oss-fuzz/blob/master/infra/base-images/base-builder/install_python.sh#L22
+RUN git clone https://chromium.googlesource.com/chromium/src/tools/code_coverage $CODE_COVERAGE_SRC && \
+    cd /opt/code_coverage && \
+    git checkout edba4873b5e8a390e977a64c522db2df18a8b27d && \
+    pip3 install wheel && \
+    # If version "Jinja2==2.10" is in requirements.txt, bump it to a patch version that
+    # supports upgrading its MarkupSafe dependency to a Python 3.10 compatible release:
+    sed -i 's/Jinja2==2.10/Jinja2==2.10.3/' requirements.txt && \
+    pip3 install -r requirements.txt && \
+    pip3 install MarkupSafe==2.0.1 && \
+    pip3 install coverage==6.3.2
+
+# Default environment options for various sanitizers.
+# Note that these match the settings used in ClusterFuzz and
+# shouldn't be changed unless a corresponding change is made on
+# ClusterFuzz side as well.
+ENV ASAN_OPTIONS="alloc_dealloc_mismatch=0:allocator_may_return_null=1:allocator_release_to_os_interval_ms=500:check_malloc_usable_size=0:detect_container_overflow=1:detect_odr_violation=0:detect_leaks=1:detect_stack_use_after_return=1:fast_unwind_on_fatal=0:handle_abort=1:handle_segv=1:handle_sigill=1:max_uar_stack_size_log=16:print_scariness=1:quarantine_size_mb=10:strict_memcmp=1:strip_path_prefix=/workspace/:symbolize=1:use_sigaltstack=1:dedup_token_length=3"
+ENV MSAN_OPTIONS="print_stats=1:strip_path_prefix=/workspace/:symbolize=1:dedup_token_length=3"
+ENV UBSAN_OPTIONS="print_stacktrace=1:print_summary=1:silence_unsigned_overflow=1:strip_path_prefix=/workspace/:symbolize=1:dedup_token_length=3"
+ENV FUZZER_ARGS="-rss_limit_mb=2560 -timeout=25"
+ENV AFL_FUZZER_ARGS="-m none"
+
+# Set up Golang environment variables (copied from /root/.bash_profile).
+ENV GOPATH /root/go
+
+# /root/.go/bin is for the standard Go binaries (i.e. go, gofmt, etc).
+# $GOPATH/bin is for the binaries from the dependencies installed via "go get".
+ENV PATH $PATH:$GOPATH/bin
+COPY gocoverage $GOPATH/gocoverage
+
+COPY install_go.sh /
+RUN /install_go.sh && rm -rf /install_go.sh /root/.go
+
+# Install OpenJDK 15 and trim its size by removing unused components.
+ENV JAVA_HOME=/usr/lib/jvm/java-17-openjdk-amd64
+ENV JAVA_15_HOME=/usr/lib/jvm/java-15-openjdk-amd64
+ENV JVM_LD_LIBRARY_PATH=$JAVA_HOME/lib/server
+ENV PATH=$PATH:$JAVA_HOME/bin
+
+COPY install_java.sh /
+RUN /install_java.sh && rm /install_java.sh
+
+# Install JaCoCo for JVM coverage.
+RUN wget https://repo1.maven.org/maven2/org/jacoco/org.jacoco.cli/0.8.7/org.jacoco.cli-0.8.7-nodeps.jar -O /opt/jacoco-cli.jar && \
+    wget https://repo1.maven.org/maven2/org/jacoco/org.jacoco.agent/0.8.7/org.jacoco.agent-0.8.7-runtime.jar -O /opt/jacoco-agent.jar && \
+    echo "37df187b76888101ecd745282e9cd1ad4ea508d6  /opt/jacoco-agent.jar" | shasum --check && \
+    echo "c1814e7bba5fd8786224b09b43c84fd6156db690  /opt/jacoco-cli.jar" | shasum --check
+
+COPY install_javascript.sh /
+RUN /install_javascript.sh && rm /install_javascript.sh
+
+# Copy built ruby and ruzzy from builder
+COPY --from=base-ruby /usr/local/rvm /usr/local/rvm
+COPY --from=base-ruby /install/ruzzy /install/ruzzy
+COPY ruzzy /usr/bin/ruzzy
+ENV PATH="$PATH:/usr/local/rvm/rubies/ruby-3.3.1/bin"
+# RubyGems installation directory
+ENV GEM_HOME="$OUT/fuzz-gem"
+ENV GEM_PATH="/install/ruzzy"
+
+# Do this last to make developing these files easier/faster due to caching.
+COPY bad_build_check \
+    coverage \
+    coverage_helper \
+    download_corpus \
+    jacoco_report_converter.py \
+    nyc_report_converter.py \
+    rcfilt \
+    reproduce \
+    run_fuzzer \
+    parse_options.py \
+    generate_differential_cov_report.py \
+    profraw_update.py \
+    targets_list \
+    test_all.py \
+    test_one.py \
+    python_coverage_runner_help.py \
+    /usr/local/bin/

local-test-commons-compress-delta-03/fuzz-tooling/infra/base-images/base-runner/bad_build_check

@@ -0,0 +1,494 @@
+#!/bin/bash -u
+# Copyright 2017 Google Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+
+# A minimal number of runs to test fuzz target with a non-empty input.
+MIN_NUMBER_OF_RUNS=4
+
+# The "example" target has 73 with ASan, 65 with UBSan, and 6648 with MSan.
+# Real world targets have greater values (arduinojson: 407, zlib: 664).
+# Mercurial's bdiff_fuzzer has 116 PCs when built with ASan.
+THRESHOLD_FOR_NUMBER_OF_EDGES=100
+
+# A fuzz target is supposed to have at least two functions, such as
+# LLVMFuzzerTestOneInput and an API that is being called from there.
+THRESHOLD_FOR_NUMBER_OF_FUNCTIONS=2
+
+# Threshold values for different sanitizers used by instrumentation checks.
+ASAN_CALLS_THRESHOLD_FOR_ASAN_BUILD=1000
+ASAN_CALLS_THRESHOLD_FOR_NON_ASAN_BUILD=0
+
+# The value below can definitely be higher (like 500-1000), but avoid being too
+# agressive here while still evaluating the DFT-based fuzzing approach.
+DFSAN_CALLS_THRESHOLD_FOR_DFSAN_BUILD=100
+DFSAN_CALLS_THRESHOLD_FOR_NON_DFSAN_BUILD=0
+
+MSAN_CALLS_THRESHOLD_FOR_MSAN_BUILD=1000
+# Some engines (e.g. honggfuzz) may make a very small number of calls to msan
+# for memory poisoning.
+MSAN_CALLS_THRESHOLD_FOR_NON_MSAN_BUILD=3
+
+# Usually, a non UBSan build (e.g. ASan) has 165 calls to UBSan runtime. The
+# majority of targets built with UBSan have 200+ UBSan calls, but there are
+# some very small targets that may have < 200 UBSan calls even in a UBSan build.
+# Use the threshold value of 168 (slightly > 165) for UBSan build.
+UBSAN_CALLS_THRESHOLD_FOR_UBSAN_BUILD=168
+
+# It would be risky to use the threshold value close to 165 for non UBSan build,
+# as UBSan runtime may change any time and thus we could have different number
+# of calls to UBSan runtime even in ASan build. With that, we use the threshold
+# value of 200 that would detect unnecessary UBSan instrumentation in the vast
+# majority of targets, except of a handful very small ones, which would not be
+# a big concern either way as the overhead for them would not be significant.
+UBSAN_CALLS_THRESHOLD_FOR_NON_UBSAN_BUILD=200
+
+# ASan builds on i386 generally have about 250 UBSan runtime calls.
+if [[ $ARCHITECTURE == 'i386' ]]
+then
+  UBSAN_CALLS_THRESHOLD_FOR_NON_UBSAN_BUILD=280
+fi
+
+
+# Verify that the given fuzz target is correctly built to run with a particular
+# engine.
+function check_engine {
+  local FUZZER=$1
+  local FUZZER_NAME=$(basename $FUZZER)
+  local FUZZER_OUTPUT="/tmp/$FUZZER_NAME.output"
+  local CHECK_FAILED=0
+
+  if [[ "$FUZZING_ENGINE" == libfuzzer ]]; then
+    # Store fuzz target's output into a temp file to be used for further checks.
+    $FUZZER -seed=1337 -runs=$MIN_NUMBER_OF_RUNS &>$FUZZER_OUTPUT
+    CHECK_FAILED=$(egrep "ERROR: no interesting inputs were found. Is the code instrumented" -c $FUZZER_OUTPUT)
+    if (( $CHECK_FAILED > 0 )); then
+      echo "BAD BUILD: $FUZZER does not seem to have coverage instrumentation."
+      cat $FUZZER_OUTPUT
+      # Bail out as the further check does not make any sense, there are 0 PCs.
+      return 1
+    fi
+
+    local NUMBER_OF_EDGES=$(grep -Po "INFO: Loaded [[:digit:]]+ module.*\(.*(counters|guards)\):[[:space:]]+\K[[:digit:]]+" $FUZZER_OUTPUT)
+
+    # If a fuzz target fails to start, grep won't find anything, so bail out early to let check_startup_crash deal with it.
+    [[ -z "$NUMBER_OF_EDGES" ]] && return
+
+    if (( $NUMBER_OF_EDGES < $THRESHOLD_FOR_NUMBER_OF_EDGES )); then
+      echo "BAD BUILD: $FUZZER seems to have only partial coverage instrumentation."
+    fi
+  elif [[ "$FUZZING_ENGINE" == afl ]]; then
+    AFL_FORKSRV_INIT_TMOUT=30000 AFL_NO_UI=1 SKIP_SEED_CORPUS=1 timeout --preserve-status -s INT 35s run_fuzzer $FUZZER_NAME &>$FUZZER_OUTPUT
+    CHECK_PASSED=$(egrep "All set and ready to roll" -c $FUZZER_OUTPUT)
+    if (( $CHECK_PASSED == 0 )); then
+      echo "BAD BUILD: fuzzing $FUZZER with afl-fuzz failed."
+      cat $FUZZER_OUTPUT
+      return 1
+    fi
+  elif [[ "$FUZZING_ENGINE" == honggfuzz ]]; then
+    SKIP_SEED_CORPUS=1 timeout --preserve-status -s INT 20s run_fuzzer $FUZZER_NAME &>$FUZZER_OUTPUT
+    CHECK_PASSED=$(egrep "^Sz:[0-9]+ Tm:[0-9]+" -c $FUZZER_OUTPUT)
+    if (( $CHECK_PASSED == 0 )); then
+      echo "BAD BUILD: fuzzing $FUZZER with honggfuzz failed."
+      cat $FUZZER_OUTPUT
+      return 1
+    fi
+  elif [[ "$FUZZING_ENGINE" == dataflow ]]; then
+    $FUZZER &> $FUZZER_OUTPUT
+    local NUMBER_OF_FUNCTIONS=$(grep -Po "INFO:\s+\K[[:digit:]]+(?=\s+instrumented function.*)" $FUZZER_OUTPUT)
+    [[ -z "$NUMBER_OF_FUNCTIONS" ]] && NUMBER_OF_FUNCTIONS=0
+    if (( $NUMBER_OF_FUNCTIONS < $THRESHOLD_FOR_NUMBER_OF_FUNCTIONS )); then
+      echo "BAD BUILD: $FUZZER does not seem to be properly built in 'dataflow' config."
+      cat $FUZZER_OUTPUT
+      return 1
+    fi
+  elif [[ "$FUZZING_ENGINE" == centipede \
+          && ("${HELPER:-}" == True || "$SANITIZER" == none ) ]]; then
+    # Performs run test on unsanitized binaries with auxiliary sanitized
+    # binaries if they are built with helper.py.
+    # Performs run test on unsanitized binaries without auxiliary sanitized
+    # binaries if they are from trial build and production build.
+    # TODO(Dongge): Support run test with sanitized binaries for trial and
+    # production build.
+    SKIP_SEED_CORPUS=1 timeout --preserve-status -s INT 20s run_fuzzer $FUZZER_NAME &>$FUZZER_OUTPUT
+    CHECK_PASSED=$(egrep "\[S0.0] begin-fuzz: ft: 0 corp: 0/0" -c $FUZZER_OUTPUT)
+    if (( $CHECK_PASSED == 0 )); then
+      echo "BAD BUILD: fuzzing $FUZZER with centipede failed."
+      cat $FUZZER_OUTPUT
+      return 1
+    fi
+  fi
+  
+  return 0
+}
+
+# Verify that the given fuzz target has been built properly and works.
+function check_startup_crash {
+  local FUZZER=$1
+  local FUZZER_NAME=$(basename $FUZZER)
+  local FUZZER_OUTPUT="/tmp/$FUZZER_NAME.output"
+  local CHECK_PASSED=0
+
+  if [[ "$FUZZING_ENGINE" = libfuzzer ]]; then
+    # Skip seed corpus as there is another explicit check that uses seed corpora.
+    SKIP_SEED_CORPUS=1 run_fuzzer $FUZZER_NAME -seed=1337 -runs=$MIN_NUMBER_OF_RUNS &>$FUZZER_OUTPUT
+    CHECK_PASSED=$(egrep "Done $MIN_NUMBER_OF_RUNS runs" -c $FUZZER_OUTPUT)
+  elif [[ "$FUZZING_ENGINE" = afl ]]; then
+    AFL_FORKSRV_INIT_TMOUT=30000 AFL_NO_UI=1 SKIP_SEED_CORPUS=1 timeout --preserve-status -s INT 35s run_fuzzer $FUZZER_NAME &>$FUZZER_OUTPUT
+    if [ $(egrep "target binary (crashed|terminated)" -c $FUZZER_OUTPUT) -eq 0 ]; then
+      CHECK_PASSED=1
+    fi
+  elif [[ "$FUZZING_ENGINE" = dataflow ]]; then
+    # TODO(https://github.com/google/oss-fuzz/issues/1632): add check for
+    # binaries compiled with dataflow engine when the interface becomes stable.
+    CHECK_PASSED=1
+  else
+    # TODO: add checks for another fuzzing engines if possible.
+    CHECK_PASSED=1
+  fi
+
+  if [ "$CHECK_PASSED" -eq "0" ]; then
+    echo "BAD BUILD: $FUZZER seems to have either startup crash or exit:"
+    cat $FUZZER_OUTPUT
+    return 1
+  fi
+
+  return 0
+}
+
+# Mixed sanitizers check for ASan build.
+function check_asan_build {
+  local FUZZER=$1
+  local ASAN_CALLS=$2
+  local DFSAN_CALLS=$3
+  local MSAN_CALLS=$4
+  local UBSAN_CALLS=$5
+
+  # Perform all the checks for more detailed error message.
+  if (( $ASAN_CALLS < $ASAN_CALLS_THRESHOLD_FOR_ASAN_BUILD )); then
+    echo "BAD BUILD: $FUZZER does not seem to be compiled with ASan."
+    return 1
+  fi
+
+  if (( $DFSAN_CALLS > $DFSAN_CALLS_THRESHOLD_FOR_NON_DFSAN_BUILD )); then
+    echo "BAD BUILD: ASan build of $FUZZER seems to be compiled with DFSan."
+    return 1
+  fi
+
+  if (( $MSAN_CALLS > $MSAN_CALLS_THRESHOLD_FOR_NON_MSAN_BUILD )); then
+    echo "BAD BUILD: ASan build of $FUZZER seems to be compiled with MSan."
+    return 1
+  fi
+
+  if (( $UBSAN_CALLS > $UBSAN_CALLS_THRESHOLD_FOR_NON_UBSAN_BUILD )); then
+    echo "BAD BUILD: ASan build of $FUZZER seems to be compiled with UBSan."
+    return 1
+  fi
+
+  return 0
+}
+
+# Mixed sanitizers check for DFSan build.
+function check_dfsan_build {
+  local FUZZER=$1
+  local ASAN_CALLS=$2
+  local DFSAN_CALLS=$3
+  local MSAN_CALLS=$4
+  local UBSAN_CALLS=$5
+
+  # Perform all the checks for more detailed error message.
+  if (( $ASAN_CALLS > $ASAN_CALLS_THRESHOLD_FOR_NON_ASAN_BUILD )); then
+    echo "BAD BUILD: DFSan build of $FUZZER seems to be compiled with ASan."
+    return 1
+  fi
+
+  if (( $DFSAN_CALLS < $DFSAN_CALLS_THRESHOLD_FOR_DFSAN_BUILD )); then
+    echo "BAD BUILD: $FUZZER does not seem to be compiled with DFSan."
+    return 1
+  fi
+
+  if (( $MSAN_CALLS > $MSAN_CALLS_THRESHOLD_FOR_NON_MSAN_BUILD )); then
+    echo "BAD BUILD: ASan build of $FUZZER seems to be compiled with MSan."
+    return 1
+  fi
+
+  if (( $UBSAN_CALLS > $UBSAN_CALLS_THRESHOLD_FOR_NON_UBSAN_BUILD )); then
+    echo "BAD BUILD: ASan build of $FUZZER seems to be compiled with UBSan."
+    return 1
+  fi
+
+  return 0
+}
+
+
+# Mixed sanitizers check for MSan build.
+function check_msan_build {
+  local FUZZER=$1
+  local ASAN_CALLS=$2
+  local DFSAN_CALLS=$3
+  local MSAN_CALLS=$4
+  local UBSAN_CALLS=$5
+
+  # Perform all the checks for more detailed error message.
+  if (( $ASAN_CALLS > $ASAN_CALLS_THRESHOLD_FOR_NON_ASAN_BUILD )); then
+    echo "BAD BUILD: MSan build of $FUZZER seems to be compiled with ASan."
+    return 1
+  fi
+
+  if (( $DFSAN_CALLS > $DFSAN_CALLS_THRESHOLD_FOR_NON_DFSAN_BUILD )); then
+    echo "BAD BUILD: MSan build of $FUZZER seems to be compiled with DFSan."
+    return 1
+  fi
+
+  if (( $MSAN_CALLS < $MSAN_CALLS_THRESHOLD_FOR_MSAN_BUILD )); then
+    echo "BAD BUILD: $FUZZER does not seem to be compiled with MSan."
+    return 1
+  fi
+
+  if (( $UBSAN_CALLS > $UBSAN_CALLS_THRESHOLD_FOR_NON_UBSAN_BUILD )); then
+    echo "BAD BUILD: MSan build of $FUZZER seems to be compiled with UBSan."
+    return 1
+  fi
+
+  return 0
+}
+
+# Mixed sanitizers check for UBSan build.
+function check_ubsan_build {
+  local FUZZER=$1
+  local ASAN_CALLS=$2
+  local DFSAN_CALLS=$3
+  local MSAN_CALLS=$4
+  local UBSAN_CALLS=$5
+
+  if [[ "$FUZZING_ENGINE" != libfuzzer ]]; then
+    # Ignore UBSan checks for fuzzing engines other than libFuzzer because:
+    # A) we (probably) are not going to use those with UBSan
+    # B) such builds show indistinguishable number of calls to UBSan
+    return 0
+  fi
+
+  # Perform all the checks for more detailed error message.
+  if (( $ASAN_CALLS > $ASAN_CALLS_THRESHOLD_FOR_NON_ASAN_BUILD )); then
+    echo "BAD BUILD: UBSan build of $FUZZER seems to be compiled with ASan."
+    return 1
+  fi
+
+  if (( $DFSAN_CALLS > $DFSAN_CALLS_THRESHOLD_FOR_NON_DFSAN_BUILD )); then
+    echo "BAD BUILD: UBSan build of $FUZZER seems to be compiled with DFSan."
+    return 1
+  fi
+
+  if (( $MSAN_CALLS > $MSAN_CALLS_THRESHOLD_FOR_NON_MSAN_BUILD )); then
+    echo "BAD BUILD: UBSan build of $FUZZER seems to be compiled with MSan."
+    return 1
+  fi
+
+  if (( $UBSAN_CALLS < $UBSAN_CALLS_THRESHOLD_FOR_UBSAN_BUILD )); then
+    echo "BAD BUILD: $FUZZER does not seem to be compiled with UBSan."
+    return 1
+  fi
+}
+
+# Verify that the given fuzz target is compiled with correct sanitizer.
+function check_mixed_sanitizers {
+  local FUZZER=$1
+  local result=0
+  local CALL_INSN=
+
+  if [ "${FUZZING_LANGUAGE:-}" = "jvm" ]; then
+    # Sanitizer runtime is linked into the Jazzer driver, so this check does not
+    # apply.
+    return 0
+  fi
+
+  if [ "${FUZZING_LANGUAGE:-}" = "javascript" ]; then
+    # Jazzer.js currently does not support using sanitizers with native Node.js addons.
+    # This is not relevant anyways since supporting this will be done by preloading
+    # the sanitizers in the wrapper script starting Jazzer.js.
+    return 0
+  fi
+
+  if [ "${FUZZING_LANGUAGE:-}" = "python" ]; then
+    # Sanitizer runtime is loaded via LD_PRELOAD, so this check does not apply.
+    return 0
+  fi
+
+  # For fuzztest fuzzers point to the binary instead of launcher script.
+  if [[ $FUZZER == *"@"* ]]; then
+    FUZZER=(${FUZZER//@/ }[0])
+  fi
+
+  CALL_INSN=
+  if [[ $ARCHITECTURE == "x86_64" ]]
+  then
+    CALL_INSN="callq?\s+[0-9a-f]+\s+<"
+  elif [[ $ARCHITECTURE == "i386" ]]
+  then
+    CALL_INSN="call\s+[0-9a-f]+\s+<"
+  elif [[ $ARCHITECTURE == "aarch64" ]]
+  then
+    CALL_INSN="bl\s+[0-9a-f]+\s+<"
+  else
+    echo "UNSUPPORTED ARCHITECTURE"
+    exit 1
+  fi
+  local ASAN_CALLS=$(objdump -dC $FUZZER | egrep "${CALL_INSN}__asan" -c)
+  local DFSAN_CALLS=$(objdump -dC $FUZZER | egrep "${CALL_INSN}__dfsan" -c)
+  local MSAN_CALLS=$(objdump -dC $FUZZER | egrep "${CALL_INSN}__msan" -c)
+  local UBSAN_CALLS=$(objdump -dC $FUZZER | egrep "${CALL_INSN}__ubsan" -c)
+
+
+  if [[ "$SANITIZER" = address ]]; then
+    check_asan_build $FUZZER $ASAN_CALLS $DFSAN_CALLS $MSAN_CALLS $UBSAN_CALLS
+    result=$?
+  elif [[ "$SANITIZER" = dataflow ]]; then
+    check_dfsan_build $FUZZER $ASAN_CALLS $DFSAN_CALLS $MSAN_CALLS $UBSAN_CALLS
+    result=$?
+  elif [[ "$SANITIZER" = memory ]]; then
+    check_msan_build $FUZZER $ASAN_CALLS $DFSAN_CALLS $MSAN_CALLS $UBSAN_CALLS
+    result=$?
+  elif [[ "$SANITIZER" = undefined ]]; then
+    check_ubsan_build $FUZZER $ASAN_CALLS $DFSAN_CALLS $MSAN_CALLS $UBSAN_CALLS
+    result=$?
+  elif [[ "$SANITIZER" = thread ]]; then
+    # TODO(metzman): Implement this.
+    result=0
+  fi
+
+  return $result
+}
+
+# Verify that the given fuzz target doesn't crash on the seed corpus.
+function check_seed_corpus {
+  local FUZZER=$1
+  local FUZZER_NAME="$(basename $FUZZER)"
+  local FUZZER_OUTPUT="/tmp/$FUZZER_NAME.output"
+
+  if [[ "$FUZZING_ENGINE" != libfuzzer ]]; then
+    return 0
+  fi
+
+  # Set up common fuzzing arguments, otherwise "run_fuzzer" errors out.
+  if [ -z "$FUZZER_ARGS" ]; then
+    export FUZZER_ARGS="-rss_limit_mb=2560 -timeout=25"
+  fi
+
+  bash -c "run_fuzzer $FUZZER_NAME -runs=0" &> $FUZZER_OUTPUT
+
+  # Don't output anything if fuzz target hasn't crashed.
+  if [ $? -ne 0 ]; then
+    echo "BAD BUILD: $FUZZER has a crashing input in its seed corpus:"
+    cat $FUZZER_OUTPUT
+    return 1
+  fi
+
+  return 0
+}
+
+function check_architecture {
+  local FUZZER=$1
+  local FUZZER_NAME=$(basename $FUZZER)
+
+  if [ "${FUZZING_LANGUAGE:-}" = "jvm" ]; then
+    # The native dependencies of a JVM project are not packaged, but loaded
+    # dynamically at runtime and thus cannot be checked here.
+    return 0;
+  fi
+
+  if [ "${FUZZING_LANGUAGE:-}" = "javascript" ]; then
+    # Jazzer.js fuzzers are wrapper scripts that start the fuzz target with
+    # the Jazzer.js CLI.
+    return 0;
+  fi
+
+  if [ "${FUZZING_LANGUAGE:-}" = "python" ]; then
+    FUZZER=${FUZZER}.pkg
+  fi
+
+  # For fuzztest fuzzers point to the binary instead of launcher script.
+  if [[ $FUZZER == *"@"* ]]; then
+    FUZZER=(${FUZZER//@/ }[0])
+  fi
+
+  FILE_OUTPUT=$(file $FUZZER)
+  if [[ $ARCHITECTURE == "x86_64" ]]
+  then
+    echo $FILE_OUTPUT | grep "x86-64" > /dev/null
+  elif [[ $ARCHITECTURE == "i386" ]]
+  then
+    echo $FILE_OUTPUT | grep "80386" > /dev/null
+  elif [[ $ARCHITECTURE == "aarch64" ]]
+  then
+    echo $FILE_OUTPUT | grep "aarch64" > /dev/null
+  else
+    echo "UNSUPPORTED ARCHITECTURE"
+    return 1
+  fi
+  result=$?
+  if [[ $result != 0 ]]
+  then
+    echo "BAD BUILD $FUZZER is not built for architecture: $ARCHITECTURE"
+    echo "file command output: $FILE_OUTPUT"
+    echo "check_mixed_sanitizers test will fail."
+  fi
+  return $result
+}
+
+function main {
+  local FUZZER=$1
+  local AUXILIARY_FUZZER=${2:-}
+  local checks_failed=0
+  local result=0
+
+  export RUN_FUZZER_MODE="batch"
+  check_engine $FUZZER
+  result=$?
+  checks_failed=$(( $checks_failed + $result ))
+
+  check_architecture $FUZZER
+  result=$?
+  checks_failed=$(( $checks_failed + $result ))
+
+  if [[ "$FUZZING_ENGINE" == centipede \
+        && "$SANITIZER" != none && "${HELPER:-}" == True ]]; then
+    check_mixed_sanitizers $AUXILIARY_FUZZER
+   else
+    check_mixed_sanitizers $FUZZER
+  fi
+  result=$?
+  checks_failed=$(( $checks_failed + $result ))
+
+  check_startup_crash $FUZZER
+  result=$?
+  checks_failed=$(( $checks_failed + $result ))
+
+  # TODO: re-enable after introducing bug auto-filing for bad builds.
+  # check_seed_corpus $FUZZER
+  return $checks_failed
+}
+
+
+if [ $# -ne 1 -a $# -ne 2 ]; then
+  echo "Usage: $0 <fuzz_target_binary> [<auxiliary_binary>]"
+  exit 1
+fi
+
+# Fuzz target path.
+FUZZER=$1
+AUXILIARY_FUZZER=${2:-}
+
+main $FUZZER $AUXILIARY_FUZZER
+exit $?

local-test-commons-compress-delta-03/fuzz-tooling/infra/base-images/base-runner/install_javascript.sh

@@ -0,0 +1,30 @@
+#!/bin/bash -eux
+# Copyright 2023 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+# see installation instructions: https://github.com/nodesource/distributions#available-architectures
+apt-get update
+apt-get install -y ca-certificates curl gnupg
+mkdir -p /etc/apt/keyrings
+curl -fsSL https://deb.nodesource.com/gpgkey/nodesource-repo.gpg.key | gpg --dearmor -o /etc/apt/keyrings/nodesource.gpg
+
+NODE_MAJOR=20
+echo "deb [signed-by=/etc/apt/keyrings/nodesource.gpg] https://deb.nodesource.com/node_$NODE_MAJOR.x nodistro main" | tee /etc/apt/sources.list.d/nodesource.list
+
+apt-get update
+apt-get install nodejs -y
+
+# Install latest versions of nyc for source-based coverage reporting
+npm install --global nyc

local-test-commons-compress-delta-03/fuzz-tooling/infra/base-images/base-runner/parse_options.py

@@ -0,0 +1,58 @@
+#!/usr/bin/env python3
+# Copyright 2020 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+"""Helper script for parsing custom fuzzing options."""
+import configparser
+import sys
+
+
+def parse_options(options_file_path, options_section):
+  """Parses the given file and returns options from the given section."""
+  parser = configparser.ConfigParser()
+  parser.read(options_file_path)
+
+  if not parser.has_section(options_section):
+    return None
+
+  options = parser[options_section]
+
+  if options_section == 'libfuzzer':
+    options_string = ' '.join(
+        '-%s=%s' % (key, value) for key, value in options.items())
+  else:
+    # Sanitizer options.
+    options_string = ':'.join(
+        '%s=%s' % (key, value) for key, value in options.items())
+
+  return options_string
+
+
+def main():
+  """Processes the arguments and prints the options in the correct format."""
+  if len(sys.argv) < 3:
+    sys.stderr.write('Usage: %s <path_to_options_file> <options_section>\n' %
+                     sys.argv[0])
+    return 1
+
+  options = parse_options(sys.argv[1], sys.argv[2])
+  if options is not None:
+    print(options)
+
+  return 0
+
+
+if __name__ == "__main__":
+  sys.exit(main())

local-test-commons-compress-delta-03/fuzz-tooling/infra/base-images/base-runner/test_all.py

@@ -0,0 +1,295 @@
+#!/usr/bin/env python3
+# Copyright 2020 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+"""Does bad_build_check on all fuzz targets in $OUT."""
+
+import contextlib
+import multiprocessing
+import os
+import re
+import subprocess
+import stat
+import sys
+import tempfile
+
+BASE_TMP_FUZZER_DIR = '/tmp/not-out'
+
+EXECUTABLE = stat.S_IEXEC | stat.S_IXGRP | stat.S_IXOTH
+
+IGNORED_TARGETS = [
+    r'do_stuff_fuzzer', r'checksum_fuzzer', r'fuzz_dump', r'fuzz_keyring',
+    r'xmltest', r'fuzz_compression_sas_rle', r'ares_*_fuzzer'
+]
+
+IGNORED_TARGETS_RE = re.compile('^' + r'$|^'.join(IGNORED_TARGETS) + '$')
+
+
+def move_directory_contents(src_directory, dst_directory):
+  """Moves contents of |src_directory| to |dst_directory|."""
+  # Use mv because mv preserves file permissions. If we don't preserve file
+  # permissions that can mess up CheckFuzzerBuildTest in cifuzz_test.py and
+  # other cases where one is calling test_all on files not in OSS-Fuzz's real
+  # out directory.
+  src_contents = [
+      os.path.join(src_directory, filename)
+      for filename in os.listdir(src_directory)
+  ]
+  command = ['mv'] + src_contents + [dst_directory]
+  subprocess.check_call(command)
+
+
+def is_elf(filepath):
+  """Returns True if |filepath| is an ELF file."""
+  result = subprocess.run(['file', filepath],
+                          stdout=subprocess.PIPE,
+                          check=False)
+  return b'ELF' in result.stdout
+
+
+def is_shell_script(filepath):
+  """Returns True if |filepath| is a shell script."""
+  result = subprocess.run(['file', filepath],
+                          stdout=subprocess.PIPE,
+                          check=False)
+  return b'shell script' in result.stdout
+
+
+def find_fuzz_targets(directory):
+  """Returns paths to fuzz targets in |directory|."""
+  # TODO(https://github.com/google/oss-fuzz/issues/4585): Use libClusterFuzz for
+  # this.
+  fuzz_targets = []
+  for filename in os.listdir(directory):
+    path = os.path.join(directory, filename)
+    if filename == 'llvm-symbolizer':
+      continue
+    if filename.startswith('afl-'):
+      continue
+    if filename.startswith('jazzer_'):
+      continue
+    if not os.path.isfile(path):
+      continue
+    if not os.stat(path).st_mode & EXECUTABLE:
+      continue
+    # Fuzz targets can either be ELF binaries or shell scripts (e.g. wrapper
+    # scripts for Python and JVM targets or rules_fuzzing builds with runfiles
+    # trees).
+    if not is_elf(path) and not is_shell_script(path):
+      continue
+    if os.getenv('FUZZING_ENGINE') not in {'none', 'wycheproof'}:
+      with open(path, 'rb') as file_handle:
+        binary_contents = file_handle.read()
+        if b'LLVMFuzzerTestOneInput' not in binary_contents:
+          continue
+    fuzz_targets.append(path)
+  return fuzz_targets
+
+
+def do_bad_build_check(fuzz_target):
+  """Runs bad_build_check on |fuzz_target|. Returns a
+  Subprocess.ProcessResult."""
+  print('INFO: performing bad build checks for', fuzz_target)
+  if centipede_needs_auxiliaries():
+    print('INFO: Finding Centipede\'s auxiliary for target', fuzz_target)
+    auxiliary_path = find_centipede_auxiliary(fuzz_target)
+    print('INFO: Using auxiliary binary:', auxiliary_path)
+    auxiliary = [auxiliary_path]
+  else:
+    auxiliary = []
+
+  command = ['bad_build_check', fuzz_target] + auxiliary
+  with tempfile.TemporaryDirectory() as temp_centipede_workdir:
+    # Do this so that centipede doesn't fill up the disk during bad build check
+    env = os.environ.copy()
+    env['CENTIPEDE_WORKDIR'] = temp_centipede_workdir
+    return subprocess.run(command,
+                          stderr=subprocess.PIPE,
+                          stdout=subprocess.PIPE,
+                          env=env,
+                          check=False)
+
+
+def get_broken_fuzz_targets(bad_build_results, fuzz_targets):
+  """Returns a list of broken fuzz targets and their process results in
+  |fuzz_targets| where each item in |bad_build_results| is the result of
+  bad_build_check on the corresponding element in |fuzz_targets|."""
+  broken = []
+  for result, fuzz_target in zip(bad_build_results, fuzz_targets):
+    if result.returncode != 0:
+      broken.append((fuzz_target, result))
+  return broken
+
+
+def has_ignored_targets(out_dir):
+  """Returns True if |out_dir| has any fuzz targets we are supposed to ignore
+  bad build checks of."""
+  out_files = set(os.listdir(out_dir))
+  for filename in out_files:
+    if re.match(IGNORED_TARGETS_RE, filename):
+      return True
+  return False
+
+
+@contextlib.contextmanager
+def use_different_out_dir():
+  """Context manager that moves OUT to subdirectory of BASE_TMP_FUZZER_DIR. This
+  is useful for catching hardcoding. Note that this sets the environment
+  variable OUT and therefore must be run before multiprocessing.Pool is created.
+  Resets OUT at the end."""
+  # Use a fake OUT directory to catch path hardcoding that breaks on
+  # ClusterFuzz.
+  initial_out = os.getenv('OUT')
+  os.makedirs(BASE_TMP_FUZZER_DIR, exist_ok=True)
+  # Use a random subdirectory of BASE_TMP_FUZZER_DIR to allow running multiple
+  # instances of test_all in parallel (useful for integration testing).
+  with tempfile.TemporaryDirectory(dir=BASE_TMP_FUZZER_DIR) as out:
+    # Set this so that run_fuzzer which is called by bad_build_check works
+    # properly.
+    os.environ['OUT'] = out
+    # We move the contents of the directory because we can't move the
+    # directory itself because it is a mount.
+    move_directory_contents(initial_out, out)
+    try:
+      yield out
+    finally:
+      move_directory_contents(out, initial_out)
+      os.environ['OUT'] = initial_out
+
+
+def test_all_outside_out(allowed_broken_targets_percentage):
+  """Wrapper around test_all that changes OUT and returns the result."""
+  with use_different_out_dir() as out:
+    return test_all(out, allowed_broken_targets_percentage)
+
+
+def centipede_needs_auxiliaries():
+  """Checks if auxiliaries are needed for Centipede."""
+  # Centipede always requires unsanitized binaries as the main fuzz targets,
+  # and separate sanitized binaries as auxiliaries.
+  # 1. Building sanitized binaries with helper.py (i.e., local or GitHub CI):
+  # Unsanitized ones will be built automatically into the same docker container.
+  # Script bad_build_check tests both
+  # a) If main fuzz targets can run with the auxiliaries, and
+  # b) If the auxiliaries are built with the correct sanitizers.
+  # 2. In Trial build and production build:
+  # Two kinds of binaries will be in separated buckets / docker containers.
+  # Script bad_build_check tests either
+  # a) If the unsanitized binaries can run without the sanitized ones, or
+  # b) If the sanitized binaries are built with the correct sanitizers.
+  return (os.getenv('FUZZING_ENGINE') == 'centipede' and
+          os.getenv('SANITIZER') != 'none' and os.getenv('HELPER') == 'True')
+
+
+def find_centipede_auxiliary(main_fuzz_target_path):
+  """Finds the sanitized binary path that corresponds to |main_fuzz_target| for
+  bad_build_check."""
+  target_dir, target_name = os.path.split(main_fuzz_target_path)
+  sanitized_binary_dir = os.path.join(target_dir,
+                                      f'__centipede_{os.getenv("SANITIZER")}')
+  sanitized_binary_path = os.path.join(sanitized_binary_dir, target_name)
+
+  if os.path.isfile(sanitized_binary_path):
+    return sanitized_binary_path
+
+  # Neither of the following two should ever happen, returns None to indicate
+  # an error.
+  if os.path.isdir(sanitized_binary_dir):
+    print('ERROR: Unable to identify Centipede\'s sanitized target'
+          f'{sanitized_binary_path} in {os.listdir(sanitized_binary_dir)}')
+  else:
+    print('ERROR: Unable to identify Centipede\'s sanitized target directory'
+          f'{sanitized_binary_dir} in {os.listdir(target_dir)}')
+  return None
+
+
+def test_all(out, allowed_broken_targets_percentage):  # pylint: disable=too-many-return-statements
+  """Do bad_build_check on all fuzz targets."""
+  # TODO(metzman): Refactor so that we can convert test_one to python.
+  fuzz_targets = find_fuzz_targets(out)
+  if not fuzz_targets:
+    print('ERROR: No fuzz targets found.')
+    return False
+
+  if centipede_needs_auxiliaries():
+    for fuzz_target in fuzz_targets:
+      if not find_centipede_auxiliary(fuzz_target):
+        print(f'ERROR: Couldn\'t find auxiliary for {fuzz_target}.')
+        return False
+
+  pool = multiprocessing.Pool()
+  bad_build_results = pool.map(do_bad_build_check, fuzz_targets)
+  pool.close()
+  pool.join()
+  broken_targets = get_broken_fuzz_targets(bad_build_results, fuzz_targets)
+  broken_targets_count = len(broken_targets)
+  if not broken_targets_count:
+    return True
+
+  print('Retrying failed fuzz targets sequentially', broken_targets_count)
+  pool = multiprocessing.Pool(1)
+  retry_targets = []
+  for broken_target, result in broken_targets:
+    retry_targets.append(broken_target)
+  bad_build_results = pool.map(do_bad_build_check, retry_targets)
+  pool.close()
+  pool.join()
+  broken_targets = get_broken_fuzz_targets(bad_build_results, broken_targets)
+  broken_targets_count = len(broken_targets)
+  if not broken_targets_count:
+    return True
+
+  print('Broken fuzz targets', broken_targets_count)
+  total_targets_count = len(fuzz_targets)
+  broken_targets_percentage = 100 * broken_targets_count / total_targets_count
+  for broken_target, result in broken_targets:
+    print(broken_target)
+    # Use write because we can't print binary strings.
+    sys.stdout.buffer.write(result.stdout + result.stderr + b'\n')
+
+  if broken_targets_percentage > allowed_broken_targets_percentage:
+    print('ERROR: {broken_targets_percentage}% of fuzz targets seem to be '
+          'broken. See the list above for a detailed information.'.format(
+              broken_targets_percentage=broken_targets_percentage))
+    if has_ignored_targets(out):
+      print('Build check automatically passing because of ignored targets.')
+      return True
+    return False
+  print('{total_targets_count} fuzzers total, {broken_targets_count} '
+        'seem to be broken ({broken_targets_percentage}%).'.format(
+            total_targets_count=total_targets_count,
+            broken_targets_count=broken_targets_count,
+            broken_targets_percentage=broken_targets_percentage))
+  return True
+
+
+def get_allowed_broken_targets_percentage():
+  """Returns the value of the environment value
+  'ALLOWED_BROKEN_TARGETS_PERCENTAGE' as an int or returns a reasonable
+  default."""
+  return int(os.getenv('ALLOWED_BROKEN_TARGETS_PERCENTAGE') or '10')
+
+
+def main():
+  """Does bad_build_check on all fuzz targets in parallel. Returns 0 on success.
+  Returns 1 on failure."""
+  allowed_broken_targets_percentage = get_allowed_broken_targets_percentage()
+  if not test_all_outside_out(allowed_broken_targets_percentage):
+    return 1
+  return 0
+
+
+if __name__ == '__main__':
+  sys.exit(main())

local-test-commons-compress-delta-03/fuzz-tooling/infra/base-images/base-runner/test_all_test.py

@@ -0,0 +1,38 @@
+# Copyright 2020 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+"""Tests test_all.py"""
+import unittest
+from unittest import mock
+
+import test_all
+
+
+class TestTestAll(unittest.TestCase):
+  """Tests for the test_all_function."""
+
+  @mock.patch('test_all.find_fuzz_targets', return_value=[])
+  @mock.patch('builtins.print')
+  def test_test_all_no_fuzz_targets(self, mock_print, _):
+    """Tests that test_all returns False when there are no fuzz targets."""
+    outdir = '/out'
+    allowed_broken_targets_percentage = 0
+    self.assertFalse(
+        test_all.test_all(outdir, allowed_broken_targets_percentage))
+    mock_print.assert_called_with('ERROR: No fuzz targets found.')
+
+
+if __name__ == '__main__':
+  unittest.main()