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Issue metadata

Status: Duplicate
Merged: issue 881213
Owner:
Last visit > 30 days ago
Closed: Sep 7
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference READ in blink::CallbackInterfaceBase::CallbackInterfaceBase

Project Member Reported by ClusterFuzz, Sep 5

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5930080535314432

Fuzzer: lcamtuf_cross_fuzz
Job Type: linux_ubsan_vptr_chrome
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  blink::CallbackInterfaceBase::CallbackInterfaceBase
  blink::V8EventListenerImpl::V8EventListenerImpl
  blink::V8EventListenerHelper::GetEventListener
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_chrome&range=588747:588748

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5930080535314432

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Sep 5

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, Sep 5

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/+/da27378f03ea3dc4bdba82e3cb1d13ad2fef7a7c (Split implementation of EventListener and 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.
Mergedinto: 881213
Status: Duplicate (was: Assigned)
Project Member

Comment 4 by ClusterFuzz, Sep 7

ClusterFuzz has detected this issue as fixed in range 589184:589185.

Detailed report: https://clusterfuzz.com/testcase?key=5930080535314432

Fuzzer: lcamtuf_cross_fuzz
Job Type: linux_ubsan_vptr_chrome
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  blink::CallbackInterfaceBase::CallbackInterfaceBase
  blink::V8EventListenerImpl::V8EventListenerImpl
  blink::V8EventListenerHelper::GetEventListener
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_chrome&range=588747:588748
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_chrome&range=589184:589185

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5930080535314432

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

If you suspect that the result above is incorrect, try re-doing that job on the test case report page.

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