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Issue 797531 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 CornerStart

Project Member Reported by ClusterFuzz, Dec 24 2017 
Detailed report: https://clusterfuzz.com/testcase?key=4886391438966784

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

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

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=419707:419720

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4886391438966784

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Dec 24 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 24 2017

Labels: Test-Predator-Auto-Owner
Owner: ericwilligers@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/ba9dc4f32ee4a0a29ab99be8274e2605998d14b1 (CSS Motion Path: New names for properties).

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

Comment 3 by ericwilligers@chromium.org, Dec 26 2017

Owner: ----
Status: Available (was: Assigned)
My change was a simple rename. The same overflow would have occurred before my change with motion-path: ... instead of offset-path.

Comment 4 by schenney@chromium.org, Jan 2 2018

Owner: szager@chromium.org
Status: Assigned (was: Available)
Another PaintLayerScrollableArea corner rect bug.
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