thestig -- Can you take a look?  This affects stable, and doesn't have a clear culprit CL for the regression.

ClusterFuzz has detected this issue as fixed in range 442671:442734.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5265857690468352

Fuzzer: libfuzzer_pdf_codec_gif_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: Heap-buffer-overflow WRITE 1
Crash Address: 0x62a000005232
Crash State:
  CGifLZWDecoder::ClearTable
  CGifLZWDecoder::InitTable
  gif_load_frame
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_asan_debug&range=400732:400874
Fixed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_asan_debug&range=442671:442734

Minimized Testcase (0.04 Kb): https://cluster-fuzz.appspot.com/download/AMIfv96iM08Um7DUOyAeksputdPKUqGx219SQT5_d6IQ_SdoSgbub5MkgAykeb5oO-7WO7pfrPfuaRgwb7b8y-i9tYnBXuv_V6oB5WQ_G7We3Hy8QG_w975Kgjb52Wdiwd3wSnY1BZWbiWbkEj51WipaHOERJOFRJg?testcase_id=5265857690468352

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.

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