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projects/freetype2/arvo_759/crash.log
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INFO: Running with entropic power schedule (0xFF, 100).
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INFO: Seed: 3593794278
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INFO: Loaded 1 modules (22562 inline 8-bit counters): 22562 [0x8cd098, 0x8d28ba),
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INFO: Loaded 1 PC tables (22562 PCs): 22562 [0x802690,0x85a8b0),
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/out/ftfuzzer: Running 1 inputs 1 time(s) each.
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Running: /tmp/poc
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=================================================================
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==3524==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x60d000000268 at pc 0x0000006779f3 bp 0x7ffcfb422170 sp 0x7ffcfb422168
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WRITE of size 4 at 0x60d000000268 thread T0
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SCARINESS: 36 (4-byte-write-heap-buffer-overflow)
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#0 0x6779f2 in TT_Get_MM_Var /src/freetype2/src/truetype/ttgxvar.c:2139:25
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#1 0x5bf627 in FT_Get_MM_Var /src/freetype2/src/base/ftmm.c:141:17
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#2 0x4df2c6 in setIntermediateAxis /src/freetype2/./src/tools/ftfuzzer/ftfuzzer.cc:219:10
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#3 0x4df2c6 in LLVMFuzzerTestOneInput /src/freetype2/./src/tools/ftfuzzer/ftfuzzer.cc:349:13
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#4 0x6e8973 in fuzzer::Fuzzer::ExecuteCallback(unsigned char const*, unsigned long) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerLoop.cpp:611:15
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#5 0x6d40d2 in fuzzer::RunOneTest(fuzzer::Fuzzer*, char const*, unsigned long) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerDriver.cpp:324:6
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#6 0x6d997c in fuzzer::FuzzerDriver(int*, char***, int (*)(unsigned char const*, unsigned long)) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerDriver.cpp:860:9
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#7 0x702eb2 in main /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerMain.cpp:20:10
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#8 0x7fd0700a0082 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x24082) (BuildId: 87b331c034a6458c64ce09c03939e947212e18ce)
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#9 0x41fa5d in _start (/out/ftfuzzer+0x41fa5d)
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DEDUP_TOKEN: TT_Get_MM_Var--FT_Get_MM_Var--setIntermediateAxis
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0x60d00000026a is located 0 bytes to the right of 138-byte region [0x60d0000001e0,0x60d00000026a)
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allocated by thread T0 here:
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#0 0x4a0e96 in __interceptor_malloc /src/llvm-project/compiler-rt/lib/asan/asan_malloc_linux.cpp:69:3
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#1 0x5cfb12 in ft_alloc /src/freetype2/builds/unix/ftsystem.c:102:12
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#2 0x5626f5 in ft_mem_qalloc /src/freetype2/src/base/ftutil.c:76:15
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#3 0x5626f5 in ft_mem_alloc /src/freetype2/src/base/ftutil.c:55:25
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#4 0x67641d in TT_Get_MM_Var /src/freetype2/src/truetype/ttgxvar.c:2039:12
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#5 0x5bf627 in FT_Get_MM_Var /src/freetype2/src/base/ftmm.c:141:17
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#6 0x4df2c6 in setIntermediateAxis /src/freetype2/./src/tools/ftfuzzer/ftfuzzer.cc:219:10
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#7 0x4df2c6 in LLVMFuzzerTestOneInput /src/freetype2/./src/tools/ftfuzzer/ftfuzzer.cc:349:13
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#8 0x6e8973 in fuzzer::Fuzzer::ExecuteCallback(unsigned char const*, unsigned long) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerLoop.cpp:611:15
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#9 0x6d40d2 in fuzzer::RunOneTest(fuzzer::Fuzzer*, char const*, unsigned long) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerDriver.cpp:324:6
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#10 0x6d997c in fuzzer::FuzzerDriver(int*, char***, int (*)(unsigned char const*, unsigned long)) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerDriver.cpp:860:9
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#11 0x702eb2 in main /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerMain.cpp:20:10
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#12 0x7fd0700a0082 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x24082) (BuildId: 87b331c034a6458c64ce09c03939e947212e18ce)
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DEDUP_TOKEN: __interceptor_malloc--ft_alloc--ft_mem_qalloc
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SUMMARY: AddressSanitizer: heap-buffer-overflow /src/freetype2/src/truetype/ttgxvar.c:2139:25 in TT_Get_MM_Var
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Shadow bytes around the buggy address:
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0x0c1a7fff7ff0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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0x0c1a7fff8000: fa fa fa fa fa fa fa fa 00 00 00 00 00 00 00 00
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0x0c1a7fff8010: 00 00 00 00 00 00 00 00 00 00 fa fa fa fa fa fa
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0x0c1a7fff8020: fa fa 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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0x0c1a7fff8030: 00 00 00 fa fa fa fa fa fa fa fa fa 00 00 00 00
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=>0x0c1a7fff8040: 00 00 00 00 00 00 00 00 00 00 00 00 00[02]fa fa
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0x0c1a7fff8050: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
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0x0c1a7fff8060: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
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0x0c1a7fff8070: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
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0x0c1a7fff8080: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
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0x0c1a7fff8090: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
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Shadow byte legend (one shadow byte represents 8 application bytes):
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Addressable: 00
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Partially addressable: 01 02 03 04 05 06 07
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Heap left redzone: fa
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Freed heap region: fd
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Stack left redzone: f1
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Stack mid redzone: f2
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Stack right redzone: f3
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Stack after return: f5
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Stack use after scope: f8
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Global redzone: f9
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Global init order: f6
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Poisoned by user: f7
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Container overflow: fc
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Array cookie: ac
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Intra object redzone: bb
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ASan internal: fe
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Left alloca redzone: ca
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Right alloca redzone: cb
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==3524==ABORTING
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projects/freetype2/arvo_759/poc.bin
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version https://git-lfs.github.com/spec/v1
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oid sha256:a5cab2929ac4ff57c6b14e47df9c03d320dd72a5096b475234e35254f5e43fb9
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size 23548
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projects/freetype2/arvo_759/src.tgz
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version https://git-lfs.github.com/spec/v1
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oid sha256:b7c0e59aa8699a7f0aea976c5813cdb345ebca456af2ad374aaf6c2ef3e1e0cd
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size 9282572
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