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/+/fe023954ad31e422d0deb4116d7867098e11b688 ([PE] Fix background-image on ::first-line).

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.

ClusterFuzz has detected this issue as fixed in range 621176:621178.

Detailed report: https://clusterfuzz.com/testcase?key=5646656141524992

Fuzzer: ifratric-browserfuzzer-v3
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  blink::PriorityFromObserver
  blink::ImageResourceContent::PriorityFromObservers
  blink::ResourceFetcher::UpdateAllImageResourcePriorities
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=620920:620921
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=621176:621178

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5646656141524992

See https://github.com/google/clusterfuzz-tools for instructions to reproduce this bug locally.

If you suspect that the result above is incorrect, try re-doing that job on the test case report page.