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

Suspecting Commit#
https://skia.googlesource.com/skia.git/+/6d342285a4546b54cb17570aae7eeb8a123c81ae

@ericrk -- Could you please look into the issue, please re-assign if it has nothing to do with your changes.
Thank You.

ClusterFuzz has detected this issue as fixed in range 490988:491060.

Detailed report: https://clusterfuzz.com/testcase?key=5534772599455744

Fuzzer: libFuzzer_paint_op_buffer_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: Direct-leak
Crash Address: 
Crash State:
  GrAtlasGlyphCache::generateStrike
  GrTextUtils::BmpAppendGlyph
  GrTextUtils::DrawBmpText
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=489393:489475
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=490988:491060

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5534772599455744


See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md 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 5534772599455744 is verified as fixed, so closing issue as verified.

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