Likely the same as  Issue 720323 , where cgifdecompressor's gce_ptr isn't initialized?

Fixed by https://pdfium-review.googlesource.com/c/5230/

ClusterFuzz has detected this issue as fixed in range 470883:470917.

Detailed report: https://clusterfuzz.com/testcase?key=6339588561043456

Fuzzer: libfuzzer_pdf_codec_gif_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  gif_decode_extension
  gif_get_frame
  CCodec_GifModule::LoadFrameInfo
  
Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=470461:470492
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=470883:470917

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6339588561043456


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