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Issue 832027 link

Starred by 1 user
Status: WontFix
Owner: ----
Closed: Apr 2018
Cc:
█ brajkumar@chromium.org
schenney@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, Apr 12 2018 
Detailed report: https://clusterfuzz.com/testcase?key=6664637094035456

Fuzzer: inferno_twister_c
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  blink::operator-
  blink::LayoutObject::OffsetFromContainer
  blink::LayoutObject::MapLocalToAncestor
  
Sanitizer: undefined (UBSAN)

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

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6664637094035456

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Apr 12 2018

Components: Blink>Layout 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.
Project Member

Comment 2 by ClusterFuzz, Apr 12 2018

Labels: Test-Predator-Auto-Owner
Owner: tkent@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/238613f2364a704efa82a4e252f6c2058d7b1924 (Fix build on case-sensitive file systems after the Great Blink mv.).

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label. If you aren't the correct owner for this issue, please unassign yourself as soon as possible so it can be re-triaged.

Comment 3 by tkent@chromium.org, Apr 12 2018

Components: -Platform
Labels: Test-Predator-Wrong-CLs
Owner: ----
Status: Untriaged (was: Assigned)

Comment 4 by brajkumar@chromium.org, Apr 13 2018

Cc: schenney@chromium.org brajkumar@chromium.org
Labels: M-67
Status: Available (was: Untriaged)
This issue looks similar to bug 831446 and  bug 831441 , hence cc'ing to schenney@ and marking it as available.

Thanks!
Project Member

Comment 5 by ClusterFuzz, Apr 26 2018

Status: WontFix (was: Available)
ClusterFuzz testcase 6664637094035456 is flaky and no longer crashes, so closing issue.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
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