Null-dereference READ in blink::AudioBus::Create |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=6425985457848320 Fuzzer: libFuzzer_audio_decoder_fuzzer Job Type: libfuzzer_chrome_ubsan Platform Id: linux Crash Type: Null-dereference READ Crash Address: 0x000000000128 Crash State: blink::AudioBus::Create blink::WebAudioBus::Initialize content::DecodeAudioFileData Sanitizer: undefined (UBSAN) Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=546308:546319 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6425985457848320 Issue filed automatically. See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
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Mar 29 2018
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/4b5068a99a84ff2edb34aa0549afc89aa751ccb4 (Add audio_decoder_fuzzer fuzz target.). If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label. If you aren't the correct owner for this issue, please unassign yourself as soon as possible so it can be re-triaged.
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Mar 29 2018
And now it happens in non debug build as well (UBSan though): https://clusterfuzz.com/v2/testcase-detail/6425985457848320
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Mar 31 2018
ClusterFuzz has detected this issue as fixed in range 547230:547248. Detailed report: https://clusterfuzz.com/testcase?key=6425985457848320 Fuzzer: libFuzzer_audio_decoder_fuzzer Job Type: libfuzzer_chrome_ubsan Platform Id: linux Crash Type: Null-dereference READ Crash Address: 0x000000000128 Crash State: blink::AudioBus::Create blink::WebAudioBus::Initialize content::DecodeAudioFileData Sanitizer: undefined (UBSAN) Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=546308:546319 Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=547230:547248 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6425985457848320 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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Mar 31 2018
ClusterFuzz testcase 6425985457848320 is verified as fixed, so closing issue as verified. If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue. |
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Comment 1 by ClusterFuzz
, Mar 29 2018Labels: Test-Predator-Auto-Components