This issue looks similar to  bug 813535 , hence assigning to same dev for more updates on this issue.

wangxianzhu@ Could you please take a look in to this issue?

Thanks!

The failure occurs only when PaintUnderInvalidation is enabled. The failure may or may not cause real corrupted rendering. Lowering priority because it's not a recent regression, and the test case is too big.

ClusterFuzz has detected this issue as fixed in range 544435:544631.

Detailed report: https://clusterfuzz.com/testcase?key=6215378255216640

Fuzzer: inferno_layout_test_unmodified
Job Type: mac_asan_content_shell
Platform Id: mac

Crash Type: CHECK failure
Crash Address: 
Crash State:
  false in PaintController.cpp
  blink::PaintController::CheckUnderInvalidation
  blink::PaintController::ProcessNewItem
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=mac_asan_content_shell&range=434587:434591
Fixed: https://clusterfuzz.com/revisions?job=mac_asan_content_shell&range=544435:544631

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6215378255216640

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 6215378255216640 is verified as fixed, so closing issue as verified.

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