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Issue metadata

Status: WontFix
Owner:
Closed: Apr 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Mac
Pri: 1
Type: Bug



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CHECK failure: i < size() in vector.h

Project Member Reported by ClusterFuzz, Apr 19 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5341362971738112

Fuzzer: inferno_layout_test_unmodified
Job Type: linux_asan_content_shell_drt
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  i < size() in vector.h
  blink::LayoutTable::UpdateLayout
  blink::LayoutBlockFlow::PositionAndLayoutOnceIfNeeded
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_content_shell_drt&range=545879:545880

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5341362971738112

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Apr 19 2018

Labels: OS-Mac
Project Member

Comment 2 by ClusterFuzz, Apr 19 2018

Components: Blink>Layout
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 3 by ClusterFuzz, Apr 19 2018

Labels: Test-Predator-Auto-Owner
Owner: vmp...@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/279708b3c8ed5b6d9b4ed452072458cb0f9047d0 ([LayoutTests] Replace multiple dump responses with one callback/struct.).

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 4 by vmp...@chromium.org, Apr 19 2018

Cc: vmp...@chromium.org
Owner: e...@chromium.org
Can't seem to preproduce on ToT. It's unlikely that the patch in question caused the regression, since it's coming from a layout test only code which shouldn't affect how layout is done. The check seems to be in layout code. 

I'm going to forward to eae@ for triage. For completeness, this is in table layout code on vector access. I took a look at the code and it doesn't seem suspicious..

Comment 5 by e...@chromium.org, Apr 19 2018

Status: WontFix (was: Assigned)
Project Member

Comment 6 by ClusterFuzz, Apr 26 2018

Labels: Needs-Feedback
ClusterFuzz testcase 5341362971738112 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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