Unable to find the exact culprit using CL, Code Search and find it.
This bug is similar to Bug Id -- 578997 and is in Fixed State.
@alancutter -- Could you please look into the issue and update, pardon me if it has nothing to do with your changes and if possible please assign it to concern owner.
Thank You.

Probably same as 599705

ClusterFuzz has detected this testcase as flaky and is unable to reproduce it in the original crash revision. Skipping fixed testing check and marking it as potentially fixed.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6404006653460480

Fuzzer: inferno_twister
Job Type: windows_syzyasan_chrome
Platform Id: windows

Crash Type: UNKNOWN
Crash Address: 0x00000003
Crash State:
  blink::ImageContentData::equals
  blink::StyleRareNonInheritedData::contentDataEquivalent
  blink::ComputedStyle::stylePropagationDiff
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=windows_syzyasan_chrome&range=385240:385246

Minimized Testcase (0.72 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94pqFhzeJedF_YOeZYO_sMW7VRoLNZECI225qGCIqHsqbTdznGdjpmq6ixF5UuAp2Wk3oYw0c2FQ_uw_VbnsYNkCRm9sMADtF6TVclGIciuwEsDWTFI4xhxOwJIpIhGHQF7BoiGRuizM711vNHsZZ_btFl_-w

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.

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

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