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Issue 908195 link

Starred by 1 user
Status: Duplicate
Merged: issue 904218
Owner:
yukishiino@chromium.org
Closed: Nov 26
Cc:
lfg@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference READ in blink::CallbackFunctionBase::CallbackFunctionBase

Project Member Reported by ClusterFuzz, Nov 24 
Detailed report: https://clusterfuzz.com/testcase?key=5882122356916224

Fuzzer: lcamtuf_cross_fuzz
Job Type: linux_ubsan_vptr_chrome
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  blink::CallbackFunctionBase::CallbackFunctionBase
  blink::JSEventHandler::JSEventHandler
  blink::V8EventListenerHelper::GetEventHandler
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_chrome&range=597053:597054

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5882122356916224

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Nov 24

Components: Blink>Bindings
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, Nov 24

Labels: Test-Predator-Auto-Owner
Owner: yukiy@google.com
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/1b2f95835607dbb9c6021df8893fb18f4c7aee9e (Create new EventHandler and base class for EventListener/EventHandler).

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 bashi@chromium.org, Nov 26

Owner: yukishiino@chromium.org
Assigning to yukishiino@ for triage.

Comment 4 by yukishiino@chromium.org, Nov 26

Mergedinto: 904218
Status: Duplicate (was: Assigned)
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