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Issue metadata

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



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Null-dereference READ in chrome

Project Member Reported by ClusterFuzz, Feb 17 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4711885426130944

Fuzzer: ifratric-browserfuzzer-v3
Job Type: linux_cfi_chrome
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000020
Crash State:
  chrome
  blink::PaintLayerPainter::PaintFragmentWithPhase
  blink::PaintLayerPainter::PaintLayerContents
  
Sanitizer: cfi (CFI)

Regressed: https://clusterfuzz.com/revisions?job=linux_cfi_chrome&range=537426:537470

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4711885426130944

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

Cc: wangxianzhu@chromium.org khushals...@chromium.org
Labels: Test-Predator-Auto-CC
Automatically adding ccs based on suspected regression changelists:

canvas: Avoid unnecessary book-keeping of images in CanvasImageProvider. by khushalsagar@chromium.org - https://chromium.googlesource.com/chromium/src/+/cde9d1d1e464957716e4e15f44810fe28753e4df

[PE] Add a test case for  crbug.com/809102  by wangxianzhu@chromium.org - https://chromium.googlesource.com/chromium/src/+/4926f8217a1795cedffc9c64113eb7944b0cf504

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label.
Mergedinto: 813348
Status: Duplicate (was: Untriaged)
Project Member

Comment 4 by ClusterFuzz, Feb 19 2018

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

Detailed report: https://clusterfuzz.com/testcase?key=4711885426130944

Fuzzer: ifratric-browserfuzzer-v3
Job Type: linux_cfi_chrome
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000020
Crash State:
  chrome
  blink::PaintLayerPainter::PaintFragmentWithPhase
  blink::PaintLayerPainter::PaintLayerContents
  
Sanitizer: cfi (CFI)

Regressed: https://clusterfuzz.com/revisions?job=linux_cfi_chrome&range=537426:537470
Fixed: https://clusterfuzz.com/revisions?job=linux_cfi_chrome&range=537565:537566

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4711885426130944

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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