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Issue metadata

Status: Verified
Owner: ----
Closed: Aug 2017
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 1
Type: Bug



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Null-dereference READ in blink::PaintLayerClipper::CalculateRects

Project Member Reported by ClusterFuzz, Aug 4 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5768186741129216

Fuzzer: inferno_twister
Job Type: windows_asan_chrome
Platform Id: windows

Crash Type: Null-dereference READ
Crash Address: 0x00000000
Crash State:
  blink::PaintLayerClipper::CalculateRects
  blink::PaintLayer::AppendSingleFragmentIgnoringPagination
  blink::PaintLayer::CollectFragments
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=windows_asan_chrome&range=490043:490173

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5768186741129216


Issue filed automatically.

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

Comment 1 by ClusterFuzz, Aug 21 2017

ClusterFuzz has detected this issue as fixed in range 495551:495853.

Detailed report: https://clusterfuzz.com/testcase?key=5768186741129216

Fuzzer: inferno_twister
Job Type: windows_asan_chrome
Platform Id: windows

Crash Type: Null-dereference READ
Crash Address: 0x00000000
Crash State:
  blink::PaintLayerClipper::CalculateRects
  blink::PaintLayer::AppendSingleFragmentIgnoringPagination
  blink::PaintLayer::CollectFragments
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=windows_asan_chrome&range=490043:490173
Fixed: https://clusterfuzz.com/revisions?job=windows_asan_chrome&range=495551:495853

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5768186741129216

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 2 by ClusterFuzz, Aug 21 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 5768186741129216 is verified as fixed, so closing issue as verified.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.

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