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Issue 922464 link

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Issue metadata

Status: Verified
Owner: ----
Closed: Jan 16
Cc:
EstimatedDays: ----
NextAction: ----
OS: Linux , Windows , Chrome
Pri: 1
Type: Bug



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Null-dereference WRITE in webrtc::video_coding::DecodedFramesHistory::InsertDecoded

Project Member Reported by ClusterFuzz, Jan 16 (6 days ago)

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6263611760312320

Fuzzer: libFuzzer_frame_buffer2_fuzzer
Fuzz target binary: frame_buffer2_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: Null-dereference WRITE
Crash Address: 0x000000000000
Crash State:
  webrtc::video_coding::DecodedFramesHistory::InsertDecoded
  webrtc::video_coding::FrameBuffer::NextFrame
  webrtc::FuzzOneInput
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=622697:622701

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6263611760312320

Issue filed automatically.

See https://github.com/google/clusterfuzz-tools for instructions to reproduce this bug locally.
 
Project Member

Comment 1 by ClusterFuzz, Jan 16 (6 days ago)

Labels: OS-Chrome OS-Windows
Project Member

Comment 2 by ClusterFuzz, Jan 16 (6 days ago)

Cc: tommi@webrtc.org phoglund@webrtc.org kwiberg@webrtc.org mflodman@webrtc.org stefan@webrtc.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, Jan 16 (6 days ago)

Cc: ilnik@webrtc.org
Labels: Test-Predator-Auto-CC
Automatically adding ccs based on suspected regression changelists:

Introduce DecodedFramesHistory class and use it in FrameBuffer by ilnik@webrtc.org - https://webrtc.googlesource.com/src/+/13717842dfcf39c310ad5825fa0689511a922dd4

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label.
Project Member

Comment 4 by ClusterFuzz, Jan 16 (6 days ago)

ClusterFuzz has detected this issue as fixed in range 623008:623051.

Detailed report: https://clusterfuzz.com/testcase?key=6263611760312320

Fuzzer: libFuzzer_frame_buffer2_fuzzer
Fuzz target binary: frame_buffer2_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: Null-dereference WRITE
Crash Address: 0x000000000000
Crash State:
  webrtc::video_coding::DecodedFramesHistory::InsertDecoded
  webrtc::video_coding::FrameBuffer::NextFrame
  webrtc::FuzzOneInput
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=622697:622701
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=623008:623051

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6263611760312320

See https://github.com/google/clusterfuzz-tools for instructions to reproduce this bug locally.

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 16 (6 days ago)

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 6263611760312320 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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