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Issue metadata

Status: Fixed
Owner:
Closed: Oct 18
Components:
EstimatedDays: ----
NextAction: 2019-01-31
OS: Linux
Pri: 2
Type: Bug

Blocking:
issue 864711



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Integer-overflow in avformat_find_stream_info

Project Member Reported by ClusterFuzz, Jul 22

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5895667504119808

Fuzzer: libFuzzer_media_pipeline_integration_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  avformat_find_stream_info
  base::OnceCallback<int
  void base::internal::ReturnAsParamAdapter<int>
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=462018:462036

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5895667504119808

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Jul 22

Components: Internals>Core 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, Jul 22

Labels: Test-Predator-Auto-Owner
Owner: tzik@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/6e42784f92a0b66a3eae584358ec4a8778bffa33 (Migrate base::TaskRunner from Closure to OnceClosure).

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.
Components: -Internals>Core
Labels: Test-Predator-Wrong-CLs Test-Predator-Wrong-Components
Owner: ----
Status: Untriaged (was: Assigned)
Owner: tguilbert@chromium.org
Status: Assigned (was: Untriaged)
Blocking: 864711
Status: Started (was: Assigned)
Status: Fixed (was: Started)
This is fix upstream and should be taken care of in the next roll.

https://github.com/FFmpeg/FFmpeg/commit/4e19cfcfa3944fe4cf97bea758f72f104dcaebad#diff-b45fad75a4dfb82ef50e978d38dc2649
NextAction: 2018-11-26
Adding a ping in the future, to make sure this is verified after the next roll.
NextAction: 2018-11-19
Project Member

Comment 10 by ClusterFuzz, Oct 25

Labels: Needs-Feedback
ClusterFuzz testcase 5895667504119808 is still reproducing on tip-of-tree build (trunk).

Please re-test your fix against this testcase and if the fix was incorrect or incomplete, please re-open the bug. Otherwise, ignore this notification and add ClusterFuzz-Wrong label.
The NextAction date has arrived: 2018-11-19
NextAction: 2018-12-03
Roll not started. Will check back when it is done.
The NextAction date has arrived: 2018-12-03
NextAction: 2018-12-12
Roll still not started.
The NextAction date has arrived: 2018-12-12
NextAction: 2019-01-03
Roll not finished.
The NextAction date has arrived: 2019-01-03
NextAction: 2019-01-31
Still no roll.

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