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Issue 903665 link

Starred by 1 user
Status: WontFix
Owner:
chcunningham@chromium.org
Closed: Dec 1
Cc:
liber...@chromium.org
dalecur...@chromium.org
wolenetz@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 3
Type: Bug



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Integer-overflow in avformat_find_stream_info

Project Member Reported by ClusterFuzz, Nov 9 
Detailed report: https://clusterfuzz.com/testcase?key=5681438391009280

Fuzzer: libFuzzer_audio_decoder_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  avformat_find_stream_info
  media::AudioFileReader::OpenDemuxer
  media::AudioFileReader::Open
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=546308:546319

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5681438391009280

Issue filed automatically.

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
Project Member

Comment 1 by ClusterFuzz, Nov 9

Components: Internals>Media>FFmpeg
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, Nov 9

Cc: mmoroz@chromium.org
Labels: ClusterFuzz-Auto-CC
Automatically adding ccs based on OWNERS file / target commit history.

If this is incorrect, please add ClusterFuzz-Wrong label.
Project Member

Comment 3 by ClusterFuzz, Nov 9

Labels: Test-Predator-Auto-Owner
Owner: mmoroz@chromium.org
Status: Assigned (was: Untriaged)
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.

Comment 4 by mmoroz@chromium.org, Nov 9

Cc: -mmoroz@chromium.org liber...@chromium.org dalecur...@chromium.org wolenetz@chromium.org
Owner: ----
Status: Available (was: Assigned)

Comment 5 by dalecur...@chromium.org, Nov 13

Labels: -Pri-2 Pri-3
Owner: chcunningham@chromium.org
Status: Assigned (was: Available)
Project Member

Comment 6 by ClusterFuzz, Dec 1

Labels: -Reproducible Unreproducible
ClusterFuzz testcase 5681438391009280 appears to be flaky, updating reproducibility label.
Project Member

Comment 7 by ClusterFuzz, Dec 1

Status: WontFix (was: Assigned)
ClusterFuzz testcase 5681438391009280 is flaky and no longer crashes, so closing issue.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
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