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Issue metadata

Status: Verified
Owner:
Closed: Oct 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 1
Type: Bug



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Null-dereference READ in blink::ThemePainter::PaintBorderOnly

Project Member Reported by ClusterFuzz, Oct 16 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6142133198389248

Fuzzer: mbarbella_js_mutation_layout
Job Type: windows_asan_content_shell
Platform Id: windows

Crash Type: Null-dereference READ
Crash Address: 0x00000010
Crash State:
  blink::ThemePainter::PaintBorderOnly
  blink::BoxPainter::PaintBoxDecorationBackgroundWithRect
  blink::BoxPainter::PaintBoxDecorationBackground
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=windows_asan_content_shell&range=506277:506298

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6142133198389248

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Oct 17 2017

Components: Blink>Paint
Labels: Test-Predator-AutoComponents
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, Oct 17 2017

Labels: Test-Predator-AutoOwner
Owner: e...@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/3e05d98d5234fd322d796e3b49d68da725a9c868 (Break LayoutTheme dependency on LayoutObject).

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

Comment 3 by ClusterFuzz, Oct 20 2017

ClusterFuzz has detected this issue as fixed in range 510178:510268.

Detailed report: https://clusterfuzz.com/testcase?key=6142133198389248

Fuzzer: mbarbella_js_mutation_layout
Job Type: windows_asan_content_shell
Platform Id: windows

Crash Type: Null-dereference READ
Crash Address: 0x00000010
Crash State:
  blink::ThemePainter::PaintBorderOnly
  blink::BoxPainter::PaintBoxDecorationBackgroundWithRect
  blink::BoxPainter::PaintBoxDecorationBackground
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=windows_asan_content_shell&range=506277:506298
Fixed: https://clusterfuzz.com/revisions?job=windows_asan_content_shell&range=510178:510268

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6142133198389248

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 4 by ClusterFuzz, Oct 20 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 6142133198389248 is verified as fixed, so closing issue as verified.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
Labels: -Test-Predator-AutoComponents Test-Predator-Auto-Components
Labels: -Test-Predator-AutoOwner Test-Predator-Auto-Owner

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