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Issue metadata

Status: Duplicate
Merged: issue 870467
Owner: ----
Closed: Aug 3
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference READ in CPDF_Parser::ParseIndirectObject

Project Member Reported by ClusterFuzz, Aug 3

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4559938672918528

Fuzzer: lszekeres_pdf
Job Type: linux_asan_pdfium
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000018
Crash State:
  CPDF_Parser::ParseIndirectObject
  CPDF_Document::ParseIndirectObject
  CPDF_IndirectObjectHolder::GetOrParseIndirectObject
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_pdfium&range=580186:580200

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4559938672918528

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Aug 3

Components: Internals>Plugins>PDF
Labels: Test-Predator-Auto-Components
Automatically applying components based on crash stacktrace and information from OWNERS files.

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

Comment 2 by ClusterFuzz, Aug 3

Cc: art-sn...@yandex-team.ru
Labels: Test-Predator-Auto-CC
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.
Mergedinto: 870467
Status: Duplicate (was: Untriaged)
Project Member

Comment 4 by ClusterFuzz, Aug 10

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

Detailed report: https://clusterfuzz.com/testcase?key=4559938672918528

Fuzzer: lszekeres_pdf
Job Type: linux_asan_pdfium
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000018
Crash State:
  CPDF_Parser::ParseIndirectObject
  CPDF_Document::ParseIndirectObject
  CPDF_IndirectObjectHolder::GetOrParseIndirectObject
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_pdfium&range=580186:580200
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_pdfium&range=581861:581862

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4559938672918528

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.

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