Assigning to vmpstr@ as https://chromium.googlesource.com/chromium/src/+/06970f10e5aab4e7b49196a335f9fbca1df5fa16 has been identified as a culprit CL.

ClusterFuzz has detected this issue as fixed in range 516771:516815.

Detailed report: https://clusterfuzz.com/testcase?key=6414452672167936

Fuzzer: libFuzzer_paint_op_buffer_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: Heap-buffer-overflow READ 16
Crash Address: 0x60500000dd40
Crash State:
  SkReadBuffer::readRect
  SkTextBlob::MakeFromBuffer
  SkTextBlob::Deserialize
  
Sanitizer: address (ASAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=515040:515064
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=516771:516815

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6414452672167936

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.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 6414452672167936 is verified as fixed, so closing issue as verified.

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

This bug has been closed for more than 14 weeks. Removing security view restrictions.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot