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Issue metadata

Status: Duplicate
Merged: issue 631196
Owner:
Last visit > 30 days ago
Closed: Oct 2016
Cc:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug-Regression



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

Project Member Reported by ClusterFuzz, Oct 4 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6250149938724864

Fuzzer: inferno_layout_test_unmodified
Job Type: linux_ubsan_vptr_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::ForwardMouseWheelEvent
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_vptr_content_shell_drt&range=398598:398917

Minimized Testcase (7.07 Kb): https://cluster-fuzz.appspot.com/download/AMIfv953dlGvnBNcCFQ6z9BpvmTpBTSSf7_92iNtiXEipo2BPhN2ttmw6Z32xOC9n582fjq99-WJ7K3GcIrONEFzDgGt3K2ekQWb7hgaFF_3wV8NtaZOZ5QJCZGaqBsWQ9R_zcsLlINAFT3ATjNNUngbF_r4yrTOnw?testcase_id=6250149938724864

Issue manually filed by: ranjitkan

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Cc: ranjitkan@chromium.org
Components: Tools>Test>FindIt>NoResult
Labels: -Pri-1 -Type-Bug findit-wrong M-55 Te-Logged Pri-2 Type-Bug-Regression
Owner: chongz@chromium.org
Status: Assigned (was: Untriaged)
Findit did not show any suspected CL's

Using code search suspecting the below change could be a possible culprit which could have resulted this crash.

Change URL: https://chromium.googlesource.com/chromium/src/+/4a975194104af57c2c05f8dc0144e94a79dc2076
Review-Url: https://codereview.chromium.org/2240983003

@ chongz: Assigning to you, Request you to please take a look into it. Please help us to reassign if not with respect to your change.

Thanks.!
Mergedinto: 631196
Status: Duplicate (was: Assigned)
My change is just moving the location of two class.

Suspect this issue to be high-DPI related, similar to  issue 638412  and  issue 638413 .
Components: -Tools>Test>FindIt>NoResult
Project Member

Comment 4 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
Labels: Hotlist-Input-Dev
Project Member

Comment 6 by ClusterFuzz, Mar 8 2017

ClusterFuzz has detected this issue as fixed in range 454873:455052.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6250149938724864

Fuzzer: inferno_layout_test_unmodified
Job Type: linux_ubsan_vptr_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::ForwardMouseWheelEvent
  
Sanitizer: undefined (UBSAN)

Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_vptr_content_shell_drt&range=398598:398917
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_vptr_content_shell_drt&range=454873:455052

Reproducer Testcase: https://cluster-fuzz.appspot.com/download/AMIfv953dlGvnBNcCFQ6z9BpvmTpBTSSf7_92iNtiXEipo2BPhN2ttmw6Z32xOC9n582fjq99-WJ7K3GcIrONEFzDgGt3K2ekQWb7hgaFF_3wV8NtaZOZ5QJCZGaqBsWQ9R_zcsLlINAFT3ATjNNUngbF_r4yrTOnw?testcase_id=6250149938724864


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.

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