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Issue metadata

Status: Verified
Owner:
Closed: Jan 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference READ in media::ChunkDemuxerStream::SetEnabled

Project Member Reported by ClusterFuzz, Jan 3 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6432498799345664

Fuzzer: inferno_layout_test_fuzzer
Job Type: linux_ubsan_vptr_content_shell_drt
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  media::ChunkDemuxerStream::SetEnabled
  media::ChunkDemuxer::OnEnabledAudioTracksChanged
  base::MessageLoop::RunTask
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_content_shell_drt&range=508795:508862

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6432498799345664

Additional requirements: Requires HTTP

Issue filed automatically.

See https://github.com/google/clusterfuzz-tools for more information.
 
Project Member

Comment 1 by ClusterFuzz, Jan 3 2018

Components: Internals>Core Internals>Media
Labels: Test-Predator-Auto-Components
Automatically applying components based on crash stacktrace and information from OWNERS files.

If this is incorrect, please apply the Test-Predator-Wrong-Components label.
Project Member

Comment 2 by ClusterFuzz, Jan 3 2018

Cc: hbos@chromium.org cwallez@chromium.org
Labels: Test-Predator-Auto-CC
Automatically adding ccs based on suspected regression changelists:

PC.setRemoteDescription: Use track-based callbacks over stream-based. by hbos@chromium.org - https://chromium.googlesource.com/chromium/src/+/101ae86567ba231c612af756e2bb5925a127ea30

GLImageIOSurface: Force creation through static method by cwallez@chromium.org - https://chromium.googlesource.com/chromium/src/+/e934f77651be6f73736c54a69830dacc4259e70a

If this is incorrect, please apply the Test-Predator-Wrong-CLs label.
Owner: hbos@chromium.org
Status: Assigned (was: Untriaged)
hbos@, assigning you as the backtrace looks much more related to your change.
Project Member

Comment 4 by ClusterFuzz, Jan 6 2018

ClusterFuzz has detected this issue as fixed in range 527397:527402.

Detailed report: https://clusterfuzz.com/testcase?key=6432498799345664

Fuzzer: inferno_layout_test_fuzzer
Job Type: linux_ubsan_vptr_content_shell_drt
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  media::ChunkDemuxerStream::SetEnabled
  media::ChunkDemuxer::OnEnabledAudioTracksChanged
  base::MessageLoop::RunTask
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_content_shell_drt&range=508795:508862
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_content_shell_drt&range=527397:527402

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6432498799345664

Additional requirements: Requires HTTP

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.
Project Member

Comment 5 by ClusterFuzz, Jan 6 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 6432498799345664 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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