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Issue 810514 link

Starred by 1 user
Status: WontFix
Owner:
nzolghadr@chromium.org
Closed: Feb 2018
Cc:
dtapu...@chromium.org
p...@google.com
█ brajkumar@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Abrt in blink::EventHandlingUtil::PerformMouseEventHitTest

Project Member Reported by ClusterFuzz, Feb 8 2018 
Detailed report: https://clusterfuzz.com/testcase?key=5961730589720576

Fuzzer: inferno_webbot
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Abrt
Crash Address: 0x03e9000009ff
Crash State:
  blink::EventHandlingUtil::PerformMouseEventHitTest
  blink::MouseEventManager::FakeMouseMoveEventTimerFired
  blink::TimerBase::RunInternal
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=535370:535371

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5961730589720576

Additional requirements: Requires Gestures

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Feb 8 2018

Components: Blink 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 8 2018

Cc: p...@google.com
Labels: Test-Predator-Auto-CC
Automatically adding ccs based on suspected regression changelists:

build: Pass -march flag at link time on ARM when LTO is enabled. by pcc@google.com - https://chromium.googlesource.com/chromium/src/+/326956c5cab53815dffa9039ad45dc77a795ba3d

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

Comment 3 by p...@chromium.org, Feb 8 2018

Labels: Test-Predator-Wrong-CLs
This change only affected ARM LTO builds, and linux_ubsan_chrome is neither.

Comment 4 by brajkumar@chromium.org, Feb 9 2018

Cc: dtapu...@chromium.org brajkumar@chromium.org
Labels: M-66
Unable to find actual suspect through code search and also from the provided CL under regression range, hence adding appropriate label and cc'ing to blink>input dev for further updates.

Thanks!

Comment 5 by brajkumar@chromium.org, Feb 9 2018

Labels: CF-NeedsTriage

Comment 6 by rtoy@chromium.org, Feb 9 2018

Components: -Blink Blink>Input

Comment 7 by dtapu...@chromium.org, Feb 15 2018

Owner: nzolghadr@chromium.org
Status: Assigned (was: Untriaged)
Navid please investigate.
Project Member

Comment 8 by ClusterFuzz, Feb 25 2018

Status: WontFix (was: Assigned)
ClusterFuzz testcase 5961730589720576 is flaky and no longer crashes, so closing issue.

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