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Null-dereference READ in __msan_memcpy |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=5530995364462592 Fuzzer: libFuzzer_media_pipeline_integration_fuzzer Job Type: libfuzzer_chrome_msan Platform Id: linux Crash Type: Null-dereference READ Crash Address: 0x00000000000c Crash State: __msan_memcpy media::AudioDecoderConfig::AudioDecoderConfig media::FFmpegDemuxerStream::audio_decoder_config Sanitizer: memory (MSAN) Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=518239:518261 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5530995364462592 Issue filed automatically. See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
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Jan 8 2018
Predator and CL could not provide any possible suspects. Using Code Search for the file, "audio_decoder_config.cc" and observed there was some recent changes for the below file. Suspect CL: https://chromium.googlesource.com/chromium/src/+/8daddb4163f77edeb8a5fc818007dbe006221762 dalecurtis@ -- Could you please check whether this is caused with respect to your change, if not please help us in assigning it to the right owner. Thanks!
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Jan 8 2018
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Jan 9 2018
ClusterFuzz has detected this issue as fixed in range 527873:527880. Detailed report: https://clusterfuzz.com/testcase?key=5530995364462592 Fuzzer: libFuzzer_media_pipeline_integration_fuzzer Job Type: libfuzzer_chrome_msan Platform Id: linux Crash Type: Null-dereference READ Crash Address: 0x00000000000c Crash State: __msan_memcpy media::AudioDecoderConfig::AudioDecoderConfig media::FFmpegDemuxerStream::audio_decoder_config Sanitizer: memory (MSAN) Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=518239:518261 Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=527873:527880 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5530995364462592 See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information. If you suspect that the result above is incorrect, try re-doing that job on the test case report page. |
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Comment 1 by ClusterFuzz
, Jan 5 2018Labels: Test-Predator-Auto-Components