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Issue metadata

Status: Duplicate
Merged: issue 802335
Owner:
Closed: Feb 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug

Blocking:
issue 777484



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Null-dereference READ in mov_read_sidx

Project Member Reported by ClusterFuzz, Feb 3 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5509328094887936

Fuzzer: libFuzzer_media_pipeline_integration_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000028
Crash State:
  mov_read_sidx
  mov_read_default
  mov_read_header
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=515346:515403

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5509328094887936

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Feb 3 2018

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, Feb 3 2018

Cc: jstebb...@jetheaddev.com isasi@google.com lu...@stabe.de
Labels: Test-Predator-Auto-CC
Automatically adding ccs based on suspected regression changelists:

mov: fix decode of fragments that overlap in time by jstebbins@jetheaddev.com - https://chromium.googlesource.com/chromium/third_party/ffmpeg/+/4a9d32baca3af0d1831f9556a922c7ab5b426b10

lavf/mov.c: Fix parsing of edit list atoms with invalid elst entry count. by isasi@google.com - https://chromium.googlesource.com/chromium/third_party/ffmpeg/+/80137531139588774e048d6e1dae34ab5cbbbfa2

avformat: fix id3 chapters by lukas@stabe.de - https://chromium.googlesource.com/chromium/third_party/ffmpeg/+/1fd80106be3dca9fa0ea13fb364c8d221bd27c15

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label.
Blocking: 777484
Owner: xhw...@chromium.org
Status: Assigned (was: Untriaged)
Labels: M-66
Mergedinto: 802335
Status: Duplicate (was: Assigned)
Project Member

Comment 6 by ClusterFuzz, Feb 15 2018

ClusterFuzz has detected this issue as fixed in range 536859:536891.

Detailed report: https://clusterfuzz.com/testcase?key=5509328094887936

Fuzzer: libFuzzer_media_pipeline_integration_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000028
Crash State:
  mov_read_sidx
  mov_read_default
  mov_read_header
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=515346:515403
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=536859:536891

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5509328094887936

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md 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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