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Issue 840813 link

Starred by 1 user
Status: WontFix
Owner: ----
Closed: May 2018
Cc:
ifratric@google.com
vmp...@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Integer-overflow in blink::operator-=

Project Member Reported by ClusterFuzz, May 8 2018 
Detailed report: https://clusterfuzz.com/testcase?key=6300839556415488

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

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  blink::operator-=
  blink::PaintLayer::UpdateLayerPosition
  blink::PaintLayer::UpdateLayerPositionRecursive
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=549059:549062

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6300839556415488

Issue filed automatically.

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

Comment 1 by ClusterFuzz, May 8 2018

Components: Blink>Paint Platform
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.

Comment 2 by schenney@chromium.org, May 8 2018

Labels: ClusterFuzz-Ignore
Status: WontFix (was: Untriaged)
zoom: 268435456; Why am I not surprised.
Project Member

Comment 3 by ClusterFuzz, May 15 2018

Labels: Needs-Feedback
ClusterFuzz testcase 6300839556415488 is still reproducing on tip-of-tree build (trunk).

If this testcase was not reproducible locally or unworkable, ignore this notification and we will file another bug soon with hopefully a better and workable testcase.

Otherwise, if this is not intended to be fixed (e.g. this is an intentional crash), please add ClusterFuzz-Ignore label to prevent future bug filing with similar crash stacktrace.
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