Unable to find actual suspect through code search and also observing no CL's under regression range, hence adding appropriate label and requesting someone from dev team to look in to this issue.

Thanks!

ClusterFuzz has detected this issue as fixed in range 611651:611666.

Detailed report: https://clusterfuzz.com/testcase?key=5703516645228544

Fuzzer: inferno_layout_test_unmodified
Job Type: mac_asan_chrome
Platform Id: mac

Crash Type: Null-dereference READ
Crash Address: 0x000000000008
Crash State:
  event_active
  kq_dispatch
  event_base_loop
  
Sanitizer: address (ASAN)

Fixed: https://clusterfuzz.com/revisions?job=mac_asan_chrome&range=611651:611666

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5703516645228544

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.

ClusterFuzz testcase 5703516645228544 is verified as fixed, so closing issue as verified.

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