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Issue 811074 link

Starred by 4 users

Issue metadata

Status: Duplicate
Merged: issue 811246
Owner:
Closed: Feb 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference READ in blink::PaintLayerScrollableArea::RegisterForAnimation

Project Member Reported by ClusterFuzz, Feb 10 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6250569824731136

Fuzzer: attekett_dom_fuzzer
Job Type: linux_tsan_chrome_mp
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000020
Crash State:
  blink::PaintLayerScrollableArea::RegisterForAnimation
  blink::ScrollAnimatorCompositorCoordinator::CompositorAnimationFinished
  blink::ScrollAnimator::NotifyCompositorAnimationFinished
  
Sanitizer: thread (TSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_tsan_chrome_mp&range=535623:535643

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6250569824731136

Additional requirements: Requires Gestures

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Feb 10 2018

Components: Blink>MemoryAllocator>GarbageCollection Platform
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 10 2018

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

Enable root layer scrolling. by skobes@chromium.org - https://chromium.googlesource.com/chromium/src/+/96f85b68747a679ea1ac4cd05d6743ae5f7142b7

[LayoutNG] Stop using LayoutObject for box visual overflow by kojii@chromium.org - https://chromium.googlesource.com/chromium/src/+/a631d7b7abdf46fd8c24a781a3088bd7f6c722b0

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label.

Comment 3 by skobes@chromium.org, Feb 12 2018

Cc: -skobes@chromium.org bokan@chromium.org chrishtr@chromium.org szager@chromium.org
Owner: skobes@chromium.org
Status: Assigned (was: Untriaged)

Comment 4 by szager@chromium.org, Feb 13 2018

skobes@, this looks like a dupe of  crbug.com/811246 .  See the suggested fix in comment #8 on that bug.
Project Member

Comment 5 by bugdroid1@chromium.org, Feb 13 2018

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/2d02373d84f7c9f8c6705a5735a859574f34cf4e

commit 2d02373d84f7c9f8c6705a5735a859574f34cf4e
Author: Steve Kobes <skobes@chromium.org>
Date: Tue Feb 13 21:09:10 2018

Speculative fix for crashes in PLSA::RegisterForAnimation.

Bug:  811074 , 811246 
Cq-Include-Trybots: master.tryserver.blink:linux_trusty_blink_rel;master.tryserver.chromium.linux:linux_layout_tests_slimming_paint_v2
Change-Id: Ib3e7fb4ab6dab4ac53ffef7aaf6bdc96161c538d
Reviewed-on: https://chromium-review.googlesource.com/916734
Reviewed-by: David Bokan <bokan@chromium.org>
Commit-Queue: Steve Kobes <skobes@chromium.org>
Cr-Commit-Position: refs/heads/master@{#536473}
[modify] https://crrev.com/2d02373d84f7c9f8c6705a5735a859574f34cf4e/third_party/WebKit/Source/core/paint/PaintLayerScrollableArea.cpp

Comment 6 by skobes@chromium.org, Feb 13 2018

Issue 811628 has been merged into this issue.

Comment 7 by skobes@chromium.org, Feb 13 2018

Mergedinto: 811246
Status: Duplicate (was: Assigned)
Project Member

Comment 8 by ClusterFuzz, Feb 14 2018

ClusterFuzz has detected this issue as fixed in range 536320:536321.

Detailed report: https://clusterfuzz.com/testcase?key=6250569824731136

Fuzzer: attekett_dom_fuzzer
Job Type: linux_tsan_chrome_mp
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000020
Crash State:
  blink::PaintLayerScrollableArea::RegisterForAnimation
  blink::ScrollAnimatorCompositorCoordinator::CompositorAnimationFinished
  blink::ScrollAnimator::NotifyCompositorAnimationFinished
  
Sanitizer: thread (TSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_tsan_chrome_mp&range=535623:535643
Fixed: https://clusterfuzz.com/revisions?job=linux_tsan_chrome_mp&range=536320:536321

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6250569824731136

Additional requirements: Requires Gestures

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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