Automatically applying components based on crash stacktrace and information from OWNERS files.

If this is incorrect, please apply the Test-Predator-Wrong-Components label.

Automatically adding ccs based on suspected regression changelists:

Rework of CPDF_Parser::GetLastObjNum. by art-snake@yandex-team.ru - https://pdfium.googlesource.com/pdfium/+/b07deb3fc1f54bd700a66df573bfcbc4bcc1d787

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label.

 Issue 870547  has been merged into this issue.

art-snake@ Could you please look into this issue.

Predator has provided with one possible suspect, hence assigning to concern owner for further triage

Suspect CL: https://pdfium.googlesource.com/pdfium/+/b07deb3fc1f54bd700a66df573bfcbc4bcc1d787

Since owner is not a chromium member, assigning to its reviewer

thestig@ Could you please look into this issue.

Not obvious how to fix this, so I'm going to revert.

Reverted in r581862.

ClusterFuzz testcase 4559938672918528 is verified as fixed, so closing issue as verified.

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

ClusterFuzz has detected this issue as fixed in range 581861:581862.

Detailed report: https://clusterfuzz.com/testcase?key=6239397763350528

Fuzzer: tokenfuzz_pdf_curated
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000018
Crash State:
  CPDF_CrossRefTable::GetSize
  CPDF_Parser::GetLastObjNum
  IsValidObjectNumber
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=580184:580193
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=581861:581862

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6239397763350528

See https://github.com/google/clusterfuzz-tools for more information.

If you suspect that the result above is incorrect, try re-doing that job on the test case report page.