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Issue 797637 link

Starred by 1 user
Status: Assigned
Owner:
szager@chromium.org
Cc:
ifratric@google.com
vmp...@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Integer-overflow in blink::PaintLayerScrollableArea::CornerRect

Project Member Reported by ClusterFuzz, Dec 26 2017 
Detailed report: https://clusterfuzz.com/testcase?key=6705294251130880

Fuzzer: ifratric-browserfuzzer-v3
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  blink::PaintLayerScrollableArea::CornerRect
  blink::PaintLayerScrollableArea::ResizerCornerRect
  blink::ScrollingCoordinator::ComputeShouldHandleScrollGestureOnMainThreadRegion
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=446721:447186

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6705294251130880

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Dec 26 2017

Components: Blink>Paint
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, Dec 26 2017

Labels: Test-Predator-Auto-Owner
Owner: szager@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/a84f6044bfe3bc52dde4c2cdddbbc92be1b56ab1 (Use full mapLocalToAncestor machinery in ScrollingCoordinator.).

If this is incorrect, please remove the owner and apply the Test-Predator-Wrong-CLs label.
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