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Issue 638412 link

Starred by 1 user
Status: Duplicate
Merged: issue 631196
Owner:
lanwei@chromium.org
Closed: Sep 2016
Cc:
█ chongz@chromium.org
█ mummare...@chromium.org
█ rnimmagadda@chromium.org
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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PointIsWithinContents(web_wheel.x, web_wheel.y). Mouse wheel position is not wit

Project Member Reported by ClusterFuzz, Aug 16 2016 
Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6399492289200128

Fuzzer: inferno_layout_test_unmodified
Job Type: linux_asan_content_shell_drt
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  PointIsWithinContents(web_wheel.x, web_wheel.y). Mouse wheel position is not wit
  content::SyntheticGestureTargetBase::DispatchInputEventToPlatform
  content::SyntheticSmoothMoveGesture::ForwardMouseWheelInputEvents
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_content_shell_drt&range=398573:398771

Minimized Testcase (0.79 Kb): https://cluster-fuzz.appspot.com/download/AMIfv96LRP069J5GyHiNuydnxujW_xUCMPPf6ROMDItbcs4uXnQAMXPFgVF4b43T7dRoJ-eZrusQa3KRAY0ANHnvZrfXpFlLP6CrtA3HI39ODVQTyG9B63y757Sb3DI6eY846k6xGNvuXs8fE1t1rMg9F8Gs-Mmgpw?testcase_id=6399492289200128

Issue manually filed by: mummareddy

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

Comment 1 by rnimmagadda@chromium.org, Aug 18 2016

Cc: rnimmagadda@chromium.org
Owner: chongz@chromium.org
Status: Assigned (was: Untriaged)
Based on the code search for the file - synthetic_gesture_target_base.cc

Suspecting Commit - 4a975194104af57c2c05f8dc0144e94a79dc2076

Review-Url: https://codereview.chromium.org/2240983003

@chongz: Could you please have a look into this issue.

Thank you.

Comment 2 by rnimmagadda@chromium.org, Aug 18 2016

Labels: findit-wrong Te-Logged

Comment 3 by rnimmagadda@chromium.org, Aug 18 2016

Labels: M-54

Comment 4 by chongz@chromium.org, Aug 18 2016 

Could not reproduce with latest checkout build on Linux. (Where is the failed CHECK statement?)

Also, this issue was filed 39 hours ago, but my CL was landed 21 hours ago?

Comment 5 by chongz@chromium.org, Aug 31 2016

Cc: chongz@chromium.org
Owner: ----
Status: Available (was: Assigned)
Removing myself as per #c4.

Comment 6 by mummare...@chromium.org, Aug 31 2016

Owner: lanwei@chromium.org
Status: Assigned (was: Available)
Suspected CL but not sure 100%
https://chromium.googlesource.com/chromium/src/+/a9d9a6721c939076b6c688b137378f2c4b939eb9%5E%21/content/browser/renderer_host/input/synthetic_gesture_target_base.cc

lanwei@, could you please take a look and please help us to find correct owner if it is not related your changes.

Comment 7 by lanwei@chromium.org, Sep 1 2016 

My change is only about the touch event, this is mouse wheel, could you please provide more information about how to reproduce it, are your running some benchmarks, what is inferno_layout_test_unmodified?

Comment 8 by mummare...@chromium.org, Sep 1 2016 

Please find the minimized test case. not running any benchmarks and also not sure about inferno_layout_test_unmodified.

Thank you
fuzz-187.html
804 bytes View Download

Comment 9 by lanwei@chromium.org, Sep 2 2016 

I think it is related to the high-DPI, maybe the same issue with this https://bugs.chromium.org/p/chromium/issues/detail?id=631196.

Comment 10 by lanwei@chromium.org, Sep 20 2016

Mergedinto: 631196
Status: Duplicate (was: Assigned)
Project Member

Comment 11 by sheriffbot@chromium.org, Nov 22 2016

Labels: -Restrict-View-EditIssue
Removing EditIssue view restrictions from ClusterFuzz filed bugs. If you believe that this issue should still be restricted, please reapply the label.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
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