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Issue metadata

Status: Duplicate
Merged: issue 813348
Owner:
Closed: Feb 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Mac
Pri: 1
Type: Bug



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Null-dereference READ in blink::PaintLayerPainter::PaintFragmentWithPhase

Project Member Reported by ClusterFuzz, Feb 17 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5134946767994880

Fuzzer: ochang_domfuzzer
Job Type: linux_asan_content_shell_drt
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000020
Crash State:
  blink::PaintLayerPainter::PaintFragmentWithPhase
  blink::PaintLayerPainter::PaintLayerContents
  blink::PaintLayerPainter::Paint
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_content_shell_drt&range=537385:537399

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5134946767994880

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Feb 17 2018

Components: Blink>Paint
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 17 2018

Labels: Test-Predator-Auto-Owner
Owner: wangxianzhu@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/bf54c05ccf13ff3b26a180f81186426bc56e4ccb ([SPv175] Enable SlimmingPaintV175 for experimental).

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.
Project Member

Comment 3 by ClusterFuzz, Feb 17 2018

Labels: OS-Mac
Mergedinto: 813348
Status: Duplicate (was: Assigned)
Project Member

Comment 5 by ClusterFuzz, Feb 19 2018

ClusterFuzz has detected this issue as fixed in range 537565:537566.

Detailed report: https://clusterfuzz.com/testcase?key=5134946767994880

Fuzzer: ochang_domfuzzer
Job Type: linux_asan_content_shell_drt
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000020
Crash State:
  blink::PaintLayerPainter::PaintFragmentWithPhase
  blink::PaintLayerPainter::PaintLayerContents
  blink::PaintLayerPainter::Paint
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_content_shell_drt&range=537385:537399
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_content_shell_drt&range=537565:537566

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5134946767994880

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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