As per the  Issue 757162  owner assigning this issue to @dalecurtis.
@dalecurtis-- Could you please look into this issue, kindly reassign if it has nothing to do with your changes.

Thanks.

Testcase 5878226265309184 is a top crash on ClusterFuzz for linux platform. Please prioritize fixing this crash.

Marking this crash as a stable release blocker. If this is incorrect, remove the ReleaseBlock label.

Not RBS; this has been shipping forever.

ClusterFuzz has detected this issue as fixed in range 502536:502537.

Detailed report: https://clusterfuzz.com/testcase?key=5878226265309184

Fuzzer: inferno_layout_test_unmodified
Job Type: linux_tsan_chrome_mp
Platform Id: linux

Crash Type: Data race ATOMIC READ 1
Crash Address: 0x7b0c00067800
Crash State:
  pthread_mutex_lock
  pa_mutex_lock
  media::pulse::InitPulse
  
Sanitizer: thread (TSAN)

Fixed: https://clusterfuzz.com/revisions?job=linux_tsan_chrome_mp&range=502536:502537

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5878226265309184

See https://github.com/google/clusterfuzz-tools for more information.

If you suspect that the result above is incorrect, try re-doing that job on the test case report page.