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Issue 723207 link

Starred by 1 user
Status: Fixed
Owner:
nzolghadr@chromium.org
Closed: May 2017
Cc:
█ msrchandra@chromium.org
ivancic@google.com
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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CHECK failure: event.Event().GetType() == WebInputEvent::kMouseMove in MouseEventManager.cpp

Project Member Reported by ClusterFuzz, May 17 2017 
Detailed report: https://clusterfuzz.com/testcase?key=5329250285780992

Fuzzer: tokenfuzz_pdf_curated
Job Type: linux_tsan_chrome_mp
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  event.Event().GetType() == WebInputEvent::kMouseMove in MouseEventManager.cpp
  
Sanitizer: thread (TSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_tsan_chrome_mp&range=472186:472205

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5329250285780992


Additional requirements: Requires Gestures

Issue filed automatically.

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.

Comment 1 by msrchandra@chromium.org, May 18 2017

Cc: msrchandra@chromium.org
Labels: Test-Predator-Wrong
Owner: nzolghadr@chromium.org
Status: Assigned (was: Untriaged)
Predator and CL did not provide any possible suspects.
Using Code Search for the file, "MouseEventManager.cpp" assigning to the concern owner.
Suspecting Commit#
https://chromium.googlesource.com/chromium/src/+/212a2f1bb04d49d123035f2338332d5afe0ee075

@nzolghadr -- 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 bugdroid1@chromium.org, May 24 2017 

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/12dedc4fa09fc54ee6d0bd54d7ffde5c5ab2bdba

commit 12dedc4fa09fc54ee6d0bd54d7ffde5c5ab2bdba
Author: nzolghadr <nzolghadr@chromium.org>
Date: Wed May 24 22:29:36 2017

Account for mouse leave events in dragging flow

When mouse is outside of the page while dragging
if user presses Esc key we get a leave event
which seems correct logically. But the code was
not handling it properly.

BUG= 723207 ,  724316 

Review-Url: https://codereview.chromium.org/2900123002
Cr-Commit-Position: refs/heads/master@{#474450}

[add] https://crrev.com/12dedc4fa09fc54ee6d0bd54d7ffde5c5ab2bdba/third_party/WebKit/LayoutTests/fast/dnd/cancel-dragging-outside-page.html
[modify] https://crrev.com/12dedc4fa09fc54ee6d0bd54d7ffde5c5ab2bdba/third_party/WebKit/Source/core/input/MouseEventManager.cpp

Comment 3 by nzolghadr@chromium.org, May 25 2017

Status: Fixed (was: Assigned)
►

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