ochang@, can you please take a look at this or route it to someone who can? Thanks.

This is part of XFA which is not enabled in any Chrome release.

ClusterFuzz has detected this issue as fixed in range 443057:443122.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6405017939738624

Fuzzer: libfuzzer_pdf_codec_tiff_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  TIFFFillTile
  TIFFReadEncodedTile
  TIFFReadTile
  
Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_msan&range=398314:399191
Fixed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_msan&range=443057:443122

Minimized Testcase (0.35 Kb): https://cluster-fuzz.appspot.com/download/AMIfv96T1dxLtxgt0ZQ6NdKgEDOANSvNZvAdPk18CPbBMMIrQSIt0t41SqNh3608IUJ1Gq2YujEBAqLSWnu_qBgWADycfqh4R5UovKhlFC1J-SWpMtb0rh3Vdks-MjznHmn-DRjYWaw0u074x4d1MKBCIniOWFQF4Q?testcase_id=6405017939738624

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 6405017939738624 is verified as fixed, so closing issue.

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