As per Bug ID: 721156, marking the issue as Won't Fix. Please re-open if that might not be the case.
Thank You.

ClusterFuzz testcase 4839890545278976 is still reproducing on tip-of-tree build (trunk).

If this testcase was not reproducible locally or unworkable, ignore this notification and we will file another bug soon with hopefully a better and workable testcase.

Otherwise, if this is not intended to be fixed (e.g. this is an intentional crash), please add ClusterFuzz-Ignore label to prevent future bug filing with similar crash stacktrace.

ClusterFuzz has detected this issue as fixed in range 503555:503578.

Detailed report: https://clusterfuzz.com/testcase?key=4839890545278976

Fuzzer: inferno_layout_test_unmodified
Job Type: linux_tsan_chrome_mp
Platform Id: linux

Crash Type: Data race WRITE 4
Crash Address: 0x7bb00000c714
Crash State:
  sw::Renderer::scheduleTask
  sw::Renderer::threadLoop
  sw::Renderer::threadFunction
  
Sanitizer: thread (TSAN)

Fixed: https://clusterfuzz.com/revisions?job=linux_tsan_chrome_mp&range=503555:503578

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4839890545278976

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.