Predator and CL could not provide any possible suspects.
Using the code search for the file, “DocumentLoader.cpp” assigning to concern owner from GIT blame.
Suspecting Commit#
https://chromium.googlesource.com/chromium/src/+/06d0ad12bb257b7da70bef82147d4890c5d49f33

@japhet -- Could you please look into this issue, kindly reassign if it has nothing to do with your changes.
Thank You.

ClusterFuzz has detected this issue as fixed in range 502533:502537.

Detailed report: https://clusterfuzz.com/testcase?key=5205820949397504

Fuzzer: inferno_twister
Job Type: windows_syzyasan_content_shell
Platform Id: windows

Crash Type: Null-dereference
Crash Address: 0x0000005f
Crash State:
  blink::DocumentLoader::InstallNewDocument
  blink::DocumentLoader::ReplaceDocumentWhileExecutingJavaScriptURL
  blink::FrameLoader::ReplaceDocumentWhileExecutingJavaScriptURL
  
Memory Tool: SYZYASAN

Regressed: https://clusterfuzz.com/revisions?job=windows_syzyasan_content_shell&range=502487:502497
Fixed: https://clusterfuzz.com/revisions?job=windows_syzyasan_content_shell&range=502533:502537

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5205820949397504

Additional requirements: Requires Gestures

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 5205820949397504 is verified as fixed, so closing issue as verified.

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