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Issue 917340 link

Starred by 2 users
Status: Assigned
Owner:
dmazz...@chromium.org
Cc:
aboxhall@chromium.org
dmazz...@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Mac
Pri: 1
Type: Bug
Team-Accessibility



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Null-dereference READ in blink::AXObjectCacheImpl::MarkAXObjectDirty

Project Member Reported by ClusterFuzz, Dec 21 
Detailed report: https://clusterfuzz.com/testcase?key=5719119735029760

Fuzzer: inferno_twister
Job Type: mac_asan_content_shell
Platform Id: mac

Crash Type: Null-dereference READ
Crash Address: 0x000000000020
Crash State:
  blink::AXObjectCacheImpl::MarkAXObjectDirty
  blink::AXObjectCacheImpl::HandleAttributeChanged
  blink::Element::AttributeChanged
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=mac_asan_content_shell&range=591027:591047

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5719119735029760

Issue filed automatically.

See https://github.com/google/clusterfuzz-tools for instructions to reproduce this bug locally.
Project Member

Comment 1 by ClusterFuzz, Dec 21

Components: Blink>Accessibility Blink>DOM
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 21

Labels: Test-Predator-Auto-Owner
Owner: dmazz...@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/bb51278c560cbafac2c1f2abc4dfc87d86e2bd2b (Introduce MarkWebAXObjectDirty).

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.
Project Member

Comment 3 by ClusterFuzz, Dec 25

Labels: OS-Linux
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