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Issue metadata

Status: Duplicate
Merged: issue 795490
Owner:
Closed: Dec 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Mac
Pri: 1
Type: Bug



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Null-dereference READ in CPDF_ShadingPattern::Load

Project Member Reported by ClusterFuzz, Dec 16 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4916671042289664

Fuzzer: lszekeres_pdf
Job Type: linux_asan_pdfium
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000010
Crash State:
  CPDF_ShadingPattern::Load
  CPDF_RenderStatus::DrawShadingPattern
  CPDF_RenderStatus::ProcessPathPattern
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_pdfium&range=524458:524459

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4916671042289664

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Dec 16 2017

Labels: OS-Mac
Project Member

Comment 2 by ClusterFuzz, Dec 16 2017

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 3 by ClusterFuzz, Dec 16 2017

Labels: Test-Predator-Auto-Owner
Owner: hnakashima@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://pdfium.googlesource.com/pdfium/+/3208356db199098d1110780e138b74b6436deb0b (Validate shading pattern's ColorSpace. It cannot be a Pattern CS.).

If this is incorrect, please remove the owner and apply the Test-Predator-Wrong-CLs label.
Project Member

Comment 4 by ClusterFuzz, Dec 17 2017

ClusterFuzz has detected this issue as fixed in range 524599:524600.

Detailed report: https://clusterfuzz.com/testcase?key=4916671042289664

Fuzzer: lszekeres_pdf
Job Type: linux_asan_pdfium
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000010
Crash State:
  CPDF_ShadingPattern::Load
  CPDF_RenderStatus::DrawShadingPattern
  CPDF_RenderStatus::ProcessPathPattern
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_pdfium&range=524458:524459
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_pdfium&range=524599:524600

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4916671042289664

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.
Project Member

Comment 5 by ClusterFuzz, Dec 17 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 4916671042289664 is verified as fixed, so closing issue as verified.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
Mergedinto: 795490
Status: Duplicate (was: Verified)

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