ClusterFuzz has detected this issue as fixed in range 507194:507202.

Detailed report: https://clusterfuzz.com/testcase?key=6341630704746496

Fuzzer: inferno_layout_test_unmodified
Job Type: linux_msan_content_shell_drt
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  false in PaintController.cpp
  blink::V8Internals::deserializeBufferContainingWasmMethodCallback
  blink::WebString::FromASCII
  
Sanitizer: memory (MSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_msan_content_shell_drt&range=506988:507005
Fixed: https://clusterfuzz.com/revisions?job=linux_msan_content_shell_drt&range=507194:507202

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6341630704746496

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 6341630704746496 is verified as fixed, so closing issue as verified.

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