Automatically applying components based on crash stacktrace and information from OWNERS files.

If this is incorrect, please apply the Test-Predator-Wrong-Components label.

Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/17957e83e387cb9bce164932fa3fa02cafdeaffb (Add code to ignore parent alias clips in PaintChunksToCcLayer conversion).

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label. If you aren't the correct owner for this issue, please unassign yourself as soon as possible so it can be re-triaged.

This crash occurs very frequently on mac platform and is likely preventing the fuzzer mbarbella_webcomponents from making much progress. Fixing this will allow more bugs to be found.

Marking this bug as a blocker for next Beta release.

If this is incorrect, please add ClusterFuzz-Wrong label and remove the ReleaseBlock-Beta label.

ClusterFuzz has detected this issue as fixed in range 589650:589652.

Detailed report: https://clusterfuzz.com/testcase?key=5661500835102720

Fuzzer: mbarbella_webcomponents
Job Type: linux_ubsan_vptr_content_shell_drt
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000008
Crash State:
  blink::ConversionContext::SwitchToClip
  blink::PaintChunksToCcLayer::ConvertInto
  blink::GraphicsLayer::PaintContentsToDisplayList
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_content_shell_drt&range=589267:589268
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_content_shell_drt&range=589650:589652

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5661500835102720

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.