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Issue metadata

Status: Duplicate
Merged: issue 640071
Owner:
Closed: Oct 2016
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug-Regression



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Integer-overflow in cornerStart

Project Member Reported by ClusterFuzz, Oct 24 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6572099633414144

Fuzzer: inferno_twister
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  cornerStart
  blink::cornerRect
  blink::PaintLayerScrollableArea::resizerCornerRect
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=370022:370027

Minimized Testcase (0.64 Kb): https://cluster-fuzz.appspot.com/download/AMIfv95jEjEw6XS_l_ap6fQfd0f0AiN_SrGAHTgM3U9Dluv0qql8IIZaB9pg4Aw4NLvN71LSojcmflmbnfew4WnJIjoGn7r3ZKnE7Mk3w2mEF-JGL_KUEGTV6pHoorOWuA7_7mzn_qdRr1BquIJ7TgwWY0Pi91dRUw?testcase_id=6572099633414144

Additional requirements: Requires HTTP

Issue filed automatically.

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Cc: nyerramilli@chromium.org
Components: Infra>Git
Labels: -Type-Bug findit-wrong M-55 Type-Bug-Regression
Owner: skobes@chromium.org
Status: Assigned (was: Untriaged)
Providing Findit results for internal purpose:
Suspected CLs	Git blame below is NOT necessarily who introduced the crash nor the owner for it. Please check the code before assigning to anyone.(No CL in the regression range changed the crashing files.)

Author: Blink Reformat
Project: chromium
Changelist: https://chromium.googlesource.com/chromium/src/+/1c8e1a7719e9d223cc84e838c9a31a0210f5878b
Time: Sat Oct 01 00:25:32 2016
The CL last changed line 257 of file PaintLayerScrollableArea.cpp, which is stack frame 0.

Author: Blink Reformat
Project: chromium
Changelist: https://chromium.googlesource.com/chromium/src/+/1c8e1a7719e9d223cc84e838c9a31a0210f5878b
Time: Sat Oct 01 00:25:32 2016
The CL last changed line 283 of file PaintLayerScrollableArea.cpp, which is stack frame 1.

Author: Blink Reformat
Project: chromium
Changelist: https://chromium.googlesource.com/chromium/src/+/1c8e1a7719e9d223cc84e838c9a31a0210f5878b
Time: Sat Oct 01 00:25:32 2016
The CL last changed line 1324 of file PaintLayerScrollableArea.cpp, which is stack frame 2.

Author: Blink Reformat
Project: chromium
Changelist: https://chromium.googlesource.com/chromium/src/+/1c8e1a7719e9d223cc84e838c9a31a0210f5878b
Time: Sat Oct 01 00:25:32 2016
The CL last changed line 363 of file PaintLayerScrollableArea.h, which is stack frame 3.

Author: Blink Reformat
Project: chromium
Changelist: https://chromium.googlesource.com/chromium/src/+/1c8e1a7719e9d223cc84e838c9a31a0210f5878b
Time: Sat Oct 01 00:25:32 2016
The CL last changed line 906 of file ScrollingCoordinator.cpp, which is stack frame 4.

Author: Blink Reformat
Project: chromium
Changelist: https://chromium.googlesource.com/chromium/src/+/1c8e1a7719e9d223cc84e838c9a31a0210f5878b
Time: Sat Oct 01 00:25:32 2016
The CL last changed line 172 of file ScrollingCoordinator.cpp, which is stack frame 5.

Author: Blink Reformat
Project: chromium
Changelist: https://chromium.googlesource.com/chromium/src/+/1c8e1a7719e9d223cc84e838c9a31a0210f5878b
Time: Sat Oct 01 00:25:32 2016
The CL last changed line 2693 of file FrameView.cpp, which is stack frame 6.

Suspected Project: chromium
Suspected Component: Blink>Scroll

using codesearch, seeing some recent changes to 'PaintLayerScrollableArea.cpp' in https://chromium.googlesource.com/chromium/src/+/3f34d9380173cbb2b36d76a859a477472e80ae61
skobes@, could you please check the issue and help.

Comment 2 by skobes@chromium.org, Oct 31 2016

Cc: e...@chromium.org
Mergedinto: 640071
Status: Duplicate (was: Assigned)
Project Member

Comment 3 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
Project Member

Comment 4 by ClusterFuzz, Apr 28 2017

ClusterFuzz has detected this issue as fixed in range 467574:467606.

Detailed report: https://clusterfuzz.com/testcase?key=6572099633414144

Fuzzer: inferno_twister
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  cornerStart
  blink::cornerRect
  blink::PaintLayerScrollableArea::resizerCornerRect
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=370022:370027
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=467574:467606

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6572099633414144


Additional requirements: Requires HTTP

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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