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projects/ffmpeg/oss-fuzz_385167047/crash.log
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INFO: Running with entropic power schedule (0xFF, 100).
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INFO: Seed: 474657811
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INFO: Loaded 1 modules (108068 inline 8-bit counters): 108068 [0x562a46f0fdc0, 0x562a46f2a3e4),
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INFO: Loaded 1 PC tables (108068 PCs): 108068 [0x562a46f2a3e8,0x562a470d0628),
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/out/ffmpeg_dem_IPMOVIE_fuzzer: Running 1 inputs 1 time(s) each.
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Running: /tmp/poc
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Uninitialized bytes in MemcmpInterceptorCommon at offset 0 inside [0x7ffe27567760, 22)
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==90713==WARNING: MemorySanitizer: use-of-uninitialized-value
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#0 0x562a46335f85 in memcmp /src/llvm-project/compiler-rt/lib/msan/../sanitizer_common/sanitizer_common_interceptors.inc:845:10
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#1 0x562a4651927f in ipmovie_read_header /src/ffmpeg/libavformat/ipmovie.c:618:12
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#2 0x562a46442494 in avformat_open_input /src/ffmpeg/libavformat/demux.c:308:20
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#3 0x562a4638ec6c in LLVMFuzzerTestOneInput /src/ffmpeg/tools/target_dem_fuzzer.c:202:11
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#4 0x562a462841a0 in fuzzer::Fuzzer::ExecuteCallback(unsigned char const*, unsigned long) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerLoop.cpp:614:13
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#5 0x562a4626f415 in fuzzer::RunOneTest(fuzzer::Fuzzer*, char const*, unsigned long) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerDriver.cpp:327:6
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#6 0x562a46274eaf in fuzzer::FuzzerDriver(int*, char***, int (*)(unsigned char const*, unsigned long)) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerDriver.cpp:862:9
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#7 0x562a462a0152 in main /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerMain.cpp:20:10
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#8 0x7f631a26a082 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x24082) (BuildId: 0323ab4806bee6f846d9ad4bccfc29afdca49a58)
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#9 0x562a462675fd in _start (/out/ffmpeg_dem_IPMOVIE_fuzzer+0x3025fd)
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Uninitialized value was created by an allocation of 'signature_buffer' in the stack frame
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#0 0x562a46519214 in ipmovie_read_header /src/ffmpeg/libavformat/ipmovie.c:613:5
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SUMMARY: MemorySanitizer: use-of-uninitialized-value /src/ffmpeg/libavformat/ipmovie.c:618:12 in ipmovie_read_header
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Exiting
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projects/ffmpeg/oss-fuzz_385167047/poc.bin
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File without changes
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projects/ffmpeg/oss-fuzz_385167047/src.tgz
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version https://git-lfs.github.com/spec/v1
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oid sha256:148668a5e1a3dc118bf72eeca3bbcdc460ce66e47c8bf1a7d080ef4b5b583501
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size 1890317070
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