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Issue 716798 link

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Issue metadata

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



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Crash in blink::SubtreeLayoutScope::SubtreeLayoutScope

Project Member Reported by ClusterFuzz, Apr 29 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4829363767083008

Fuzzer: bj_broddelwerk
Job Type: windows_asan_chrome
Platform Id: windows

Crash Type: UNKNOWN READ
Crash Address: 0x00000000
Crash State:
  blink::SubtreeLayoutScope::SubtreeLayoutScope
  blink::PaintLayerScrollableArea::UpdateAfterLayout
  blink::LayoutBoxModelObject::StyleDidChange
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=windows_asan_chrome&range=467982:468007

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4829363767083008


Issue filed automatically.

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Cc: msrchandra@chromium.org
Components: Blink>Layout
Labels: M-60 Test-Predator-Correct-CLs
Owner: szager@chromium.org
Status: Assigned (was: Untriaged)
Assigning to concern owner from Predator results --
The result is a list of CLs that change the crashed files. 

Author: szager
Project: chromium
Changelist: https://chromium.googlesource.com/chromium/src/+/61472254f109375173180671106927aa6867699a
Time: Fri Apr 28 14:58:28 2017
Lines 335 of file LayoutBoxModelObject.cpp which potentially caused crash are changed in this cl (frame #4, "blink::LayoutBoxModelObject::StyleDidChange"). 

Files LayoutBlock.cpp, LayoutBox.cpp are changed in this cl (and is part of stack frame #6, "blink::LayoutBlock::StyleDidChange")
Minimum distance from crash line to modified line: 0. (file: LayoutBoxModelObject.cpp, crashed on: 334, modified: 334).

@szager -- Could you please look into the issue, kindly re-assign if this is not related to your changes.
Thank You.
Project Member

Comment 2 by ClusterFuzz, May 2 2017

ClusterFuzz has detected this issue as fixed in range 468411:468487.

Detailed report: https://clusterfuzz.com/testcase?key=4829363767083008

Fuzzer: bj_broddelwerk
Job Type: windows_asan_chrome
Platform Id: windows

Crash Type: UNKNOWN READ
Crash Address: 0x00000000
Crash State:
  blink::SubtreeLayoutScope::SubtreeLayoutScope
  blink::PaintLayerScrollableArea::UpdateAfterLayout
  blink::LayoutBoxModelObject::StyleDidChange
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=windows_asan_chrome&range=467982:468007
Fixed: https://clusterfuzz.com/revisions?job=windows_asan_chrome&range=468411:468487

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4829363767083008


See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs 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 3 by ClusterFuzz, May 2 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 4829363767083008 is verified as fixed, so closing issue.

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

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