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Integer-overflow in mov_read_stts |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=6116964238622720 Fuzzer: libFuzzer_audio_decoder_fuzzer Job Type: libfuzzer_chrome_ubsan Platform Id: linux Crash Type: Integer-overflow Crash Address: Crash State: mov_read_stts mov_read_default mov_read_default Sanitizer: undefined (UBSAN) Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=546308:546319 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6116964238622720 Issue filed automatically. See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
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Apr 2 2018
Predator could not provide any possible suspects. From the below CL observing some changes related to 'audio_decoder_fuzzer' , hence suspecting the same https://chromium.googlesource.com/chromium/src/+log/6cf9e9ef8b09b264c8af672e9f1798acb3cb2260..bfd138a0d51fe3582b3e127561cc791c01460546?pretty=fuller&n=10000 Suspect CL: https://chromium.googlesource.com/chromium/src/+/4b5068a99a84ff2edb34aa0549afc89aa751ccb4 mmoroz@ -- 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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Apr 2 2018
I've added and fixed the fuzzer, but didn't touch the code that has a bug. Please assign this to ffmpeg OWNER.
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Apr 2 2018
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Jul 19
This bug has a stale milestone. Please close appropriately, update the milestone and set P1/P2, or drop the milestone and set as P3. I'll automatically punt these issues to M70 next week otherwise.
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Jul 27
These issues have seen no update and have stale milestones, dropping priority and removing milestone.
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Dec 1
ClusterFuzz testcase 6116964238622720 appears to be flaky, updating reproducibility label.
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Dec 1
Please ignore the last comment about testcase being unreproducible. The testcase is still reproducible. This happened due to a code refactoring on ClusterFuzz side, and the underlying root cause is now fixed. Resetting the label back to Reproducible. Sorry about the inconvenience caused from these incorrect notifications.
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Dec 1
Please ignore the last comment about testcase being unreproducible. The testcase is still reproducible. This happened due to a code refactoring on ClusterFuzz side, and the underlying root cause is now fixed. Resetting the label back to Reproducible. Sorry about the inconvenience caused from these incorrect notifications.
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Dec 12
ClusterFuzz has detected this issue as fixed in range 615699:615711. Detailed report: https://clusterfuzz.com/testcase?key=6116964238622720 Fuzzer: libFuzzer_audio_decoder_fuzzer Fuzz target binary: audio_decoder_fuzzer Job Type: libfuzzer_chrome_ubsan Platform Id: linux Crash Type: Integer-overflow Crash Address: Crash State: mov_read_stts mov_read_default mov_read_default 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=615699:615711 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6116964238622720 See https://github.com/google/clusterfuzz-tools 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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Dec 12
ClusterFuzz testcase 6116964238622720 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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Dec 12
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Dec 18
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Jan 2
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Jan 2
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Comment 1 by ClusterFuzz
, Apr 2 2018Labels: Test-Predator-Auto-Components