Unable to find the suspect through code search and also from the provided CL, hence adding appropriate label and leaving it as untriaged for further updates.

Thanks!

200kB of incorrectly encoded character data, no wonder it times out. WontFix.

ClusterFuzz has detected this issue as fixed in range 538083:538152.

Detailed report: https://clusterfuzz.com/testcase?key=6712347260092416

Fuzzer: libFuzzer_harfbuzz_fuzzer
Job Type: mac_libfuzzer_chrome_asan
Platform Id: mac

Crash Type: Timeout (exceeds 25 secs)
Crash Address: 
Crash State:
  harfbuzz_fuzzer
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=mac_libfuzzer_chrome_asan&range=423384:423408
Fixed: https://clusterfuzz.com/revisions?job=mac_libfuzzer_chrome_asan&range=538083:538152

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6712347260092416

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.