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Issue metadata

Status: Duplicate
Merged: issue 811733
Owner:
Closed: Feb 2018
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug

Blocking:
issue 62400



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Null-dereference READ in _longjmp

Project Member Reported by ClusterFuzz, Feb 15 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5112742240059392

Fuzzer: libFuzzer_pdf_codec_bmp_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000040
Crash State:
  _longjmp
  siglongjmp
  CFX_BmpDecompressor::Error
  
Sanitizer: memory (MSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=536273:536275

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5112742240059392

Issue filed automatically.

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
 
Project Member

Comment 1 by ClusterFuzz, Feb 15 2018

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, Feb 15 2018

Labels: Test-Predator-Auto-Owner
Owner: rharrison@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://pdfium.googlesource.com/pdfium/+/ad905158b86269686f94ea76d1b700f68ea377d5 (Convert CFX_BmpDecompressor to use CFX_MemoryStream).

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label. If you aren't the correct owner for this issue, please unassign yourself as soon as possible so it can be re-triaged.
Blocking: 62400
Mergedinto: 811733
Status: Duplicate (was: Assigned)
Project Member

Comment 5 by ClusterFuzz, Feb 16 2018

ClusterFuzz has detected this issue as fixed in range 537087:537101.

Detailed report: https://clusterfuzz.com/testcase?key=5112742240059392

Fuzzer: libFuzzer_pdf_codec_bmp_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000040
Crash State:
  _longjmp
  siglongjmp
  CFX_BmpDecompressor::Error
  
Sanitizer: memory (MSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=536273:536275
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=537087:537101

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5112742240059392

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md 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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