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Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/d95c2a9ca61a92f3baca34cfd05565fb53ed40a6 ([media] Refactor IsValidAnnexB checks.).

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The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/d39f72b6f02df9fe6607659073e2ee4bde720c58

commit d39f72b6f02df9fe6607659073e2ee4bde720c58
Author: Dan Sanders <sandersd@chromium.org>
Date: Mon Dec 10 23:43:48 2018

[media] Allow parameter set insertion at the end of a buffer.

This case only comes up when there is no slice in an H.264 frame, so
how it is handled isn't particularly important. I've chosen to allow
insertion in this case to avoid changing the web-visible behavior.

Bug:  911942 
Change-Id: Ie1bba31663da144e922b0c19c519d986deb1a404
Reviewed-on: https://chromium-review.googlesource.com/c/1366878
Reviewed-by: John Rummell <jrummell@chromium.org>
Commit-Queue: Dan Sanders <sandersd@chromium.org>
Cr-Commit-Position: refs/heads/master@{#615324}
[modify] https://crrev.com/d39f72b6f02df9fe6607659073e2ee4bde720c58/media/formats/mp4/avc.cc

ClusterFuzz has detected this issue as fixed in range 615316:615335.

Detailed report: https://clusterfuzz.com/testcase?key=5332012736708608

Fuzzer: libFuzzer_mediasource_MP4_AVC1_pipeline_integration_fuzzer
Fuzz target binary: mediasource_MP4_AVC1_pipeline_integration_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  ptr <= &buffer[buffer.size()-1 in avc.cc
  media::mp4::AVC::FindSubsampleIndex
  media::mp4::AVC::InsertParamSetsAnnexB
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=500678:500748
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=615316:615335

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5332012736708608

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.

ClusterFuzz testcase 5332012736708608 is verified as fixed, so closing issue as verified.

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