Providing Findit results for internal purpose:
Suspected CLs	Findit failed to find any stack trace. Is it in a new format?

using codesearch, seeing some changes to 'PaintController.cpp' in
https://chromium.googlesource.com/chromium/src/+/a84273d711d666360f9abd8c9a28d08fe36e1b43

wangxianzhu@, could you please check and help.

ClusterFuzz has detected this issue as fixed in range 429839:429962.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5480025644335104

Fuzzer: mbarbella_js_mutation_layout
Job Type: linux_ubsan_vptr_content_shell_drt
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  false. Can't find cached display item in PaintController.cpp
  blink::PaintController::findOutOfOrderCachedItemForward
  blink::PaintController::useCachedDrawingIfPossible
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_vptr_content_shell_drt&range=416257:416283
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_vptr_content_shell_drt&range=429839:429962

Minimized Testcase (0.90 Kb): https://cluster-fuzz.appspot.com/download/AMIfv957PtoMC20k6qRKYgCIP0ub-lbjUfO0D8fhS7UUxOz3_k38eeus_iTx-ecgyeiR0CuWKVXW6dR_uS5JMCKJcoa-vl0QwtPVLGaIA_NSBfRlvIVURgzbAJlpgUdRhX-99Jky-qjpACQRq6ln3h4g7b5g53ORtg?testcase_id=5480025644335104

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