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Issue metadata

Status: Assigned
Owner:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Mac
Pri: 1
Type: Bug



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Null-dereference READ in blink::Node::GetLayoutBoxModelObject

Project Member Reported by ClusterFuzz, Jan 5

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5758783548293120

Fuzzer: inferno_twister
Job Type: linux_msan_content_shell_drt
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000010
Crash State:
  blink::Node::GetLayoutBoxModelObject
  blink::MediaControlSliderElement::TrackWidth
  blink::MediaControlSliderElement::NotifyElementSizeChanged
  
Sanitizer: memory (MSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_msan_content_shell_drt&range=550802:550806

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5758783548293120

Issue filed automatically.

See https://www.chromium.org/developers/testing/memorysanitizer#TOC-Reproducing-ClusterFuzz-Bugs for instructions to reproduce this bug locally.
 
Project Member

Comment 1 by ClusterFuzz, Jan 5

Labels: OS-Mac
Project Member

Comment 2 by ClusterFuzz, Jan 5

Components: Blink>DOM Blink>Media>Controls
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, Jan 5

Labels: Test-Predator-Auto-Owner
Owner: steimel@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/0fade57cc302b008312a196c44bd172ae2b70eac (Enable Modern Media Controls and fix layout tests).

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.

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