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

Thanks!

Observing similar  issue 788492  which has got verified recently by clusterfuzz, hence adding brettw@ for more updates on this issue.

Thanks!

ClusterFuzz has detected this issue as fixed in range 548504:548506.

Detailed report: https://clusterfuzz.com/testcase?key=6208156720693248

Fuzzer: ipc_fuzzer_mut
Job Type: linux_asan_chrome_ipc
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000198
Crash State:
  extensions::EventsEventRemoveRulesFunction::RunAsyncOnCorrectThread
  void base::internal::ReturnAsParamAdapter<bool>
  base::internal::Invoker<base::internal::BindState<void
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_ipc&range=531838:531840
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_ipc&range=548504:548506

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6208156720693248

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 6208156720693248 is verified as fixed, so closing issue as verified.

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