Unable to find the suspect through code search and also from the provided CL, hence adding appropriate label and leaving it as untriaged for further updates.

Thanks!

ClusterFuzz has detected this issue as fixed in range 538633:538636.

Detailed report: https://clusterfuzz.com/testcase?key=5182405217091584

Fuzzer: attekett_dom_fuzzer
Job Type: linux_msan_chrome
Platform Id: linux

Crash Type: Sanitizer CHECK failure
Crash Address: 
Crash State:
  ((0)) != (0) (0, 0)
  
Sanitizer: memory (MSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_msan_chrome&range=532025:532032
Fixed: https://clusterfuzz.com/revisions?job=linux_msan_chrome&range=538633:538636

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5182405217091584

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 5182405217091584 is verified as fixed, so closing issue as verified.

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