Predator and CL did not provide any possible suspects.
Using Code Search for the file, "SkRect.h" assigning to the concern owner.

Suspecting Commit#
https://skia.googlesource.com/skia.git/+/8e5be413c10bc5fa816f56a8b69f9962c4565eac

kjlubick -- Could you please look into the issue, kindly re-assign if this is not related to your changes.
Thank You.

Heather for triaging - unlikely to be related to my change.

Automatically applying components based on information from OWNERS files. If this seems incorrect, please apply the Test-Predator-Wrong-Components label.

ClusterFuzz has detected this issue as fixed in range 526876:526881.

Detailed report: https://clusterfuzz.com/testcase?key=5431357538041856

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

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  SkIRect::width
  viz::SoftwareRenderer::ApplyImageFilter
  viz::SoftwareRenderer::DrawRenderPassQuad
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=416628:416781
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=526876:526881

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5431357538041856

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.

ClusterFuzz testcase 5431357538041856 is verified as fixed, so closing issue as verified.

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