Unable to provide possible suspect using Predator, CL and Code Search.
Could someone please look into the issue.
Thank You.

pdr@, spreading these around the team until wangxianzhu@ returns.

This might be fixed by the patch the chrishtr@ just landed related to floating object containing block calculation.

ClusterFuzz has detected this issue as fixed in range 582861:582864.

Detailed report: https://clusterfuzz.com/testcase?key=6174557002792960

Fuzzer: marty_html_twiddler
Job Type: linux_debug_chrome
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  context.paint_invalidation_container == object.ContainerForPaintInvalidation() i
  blink::PaintInvalidator::UpdatePaintInvalidationContainer
  blink::PaintInvalidator::InvalidatePaint
  
Sanitizer: address (ASAN)

Fixed: https://clusterfuzz.com/revisions?job=linux_debug_chrome&range=582861:582864

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6174557002792960

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 6174557002792960 is verified as fixed, so closing issue as verified.

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