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Issue metadata

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



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Crash in __msan_memset

Project Member Reported by ClusterFuzz, Jan 12 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5816628406386688

Fuzzer: libFuzzer_media_pipeline_integration_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: UNKNOWN WRITE
Crash Address: 0x7f7552b583e8
Crash State:
  __msan_memset
  mov_read_trun
  mov_read_default
  
Sanitizer: memory (MSAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=518239:518261

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5816628406386688

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Jan 12 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, Jan 13 2018

ClusterFuzz has detected this issue as fixed in range 528995:529005.

Detailed report: https://clusterfuzz.com/testcase?key=5816628406386688

Fuzzer: libFuzzer_media_pipeline_integration_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: UNKNOWN WRITE
Crash Address: 0x7f7552b583e8
Crash State:
  __msan_memset
  mov_read_trun
  mov_read_default
  
Sanitizer: memory (MSAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=518239:518261
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=528995:529005

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5816628406386688

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.
Project Member

Comment 3 by ClusterFuzz, Jan 13 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 5816628406386688 is verified as fixed, so closing issue as verified.

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

Comment 4 by sheriffbot@chromium.org, Jan 13 2018

Labels: -Restrict-View-SecurityTeam Restrict-View-SecurityNotify
Project Member

Comment 5 by sheriffbot@chromium.org, Apr 21 2018

Labels: -Restrict-View-SecurityNotify allpublic
This bug has been closed for more than 14 weeks. Removing security view restrictions.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
Project Member

Comment 6 by sheriffbot@chromium.org, Jul 28

Labels: Pri-1

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