Testcase 4582011493941248 is a top crash on ClusterFuzz for linux, mac and windows platforms. Please prioritize fixing this crash.

Marking this crash as a Beta release blocker.

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

Based on the crash stack, this seems to be caused by https://chromium-review.googlesource.com/719765 (in the regression range) which seems not in M-63 (Clusterfuzz-Wrong for this).

chrishtr@ can you take a look?

ClusterFuzz has detected this issue as fixed in range 512010:512075.

Detailed report: https://clusterfuzz.com/testcase?key=4582011493941248

Fuzzer: inferno_twister_c
Job Type: linux_asan_chrome_media
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x0000000000a0
Crash State:
  blink::VisualOffsetFromPaintOffsetRoot
  blink::PaintPropertyTreeBuilder::UpdatePropertiesForSelf
  blink::PrePaintTreeWalk::Walk
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_media&range=511462:511489
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_media&range=512010:512075

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4582011493941248

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.