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Issue metadata

Status: Verified
Owner: ----
Closed: Nov 29
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference READ in blink::V8Element::PartAttributeGetterCallbackForMainWorld

Project Member Reported by ClusterFuzz, Nov 29

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5138525131112448

Fuzzer: inferno_twister
Job Type: linux_msan_content_shell_drt
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  blink::V8Element::PartAttributeGetterCallbackForMainWorld
  v8::internal::Simulator::DoRuntimeCall
  v8::internal::Simulator::ExecuteInstruction
  
Sanitizer: memory (MSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_msan_content_shell_drt&range=611565:611570

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5138525131112448

Additional requirements: Requires Gestures

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Nov 29

Components: Blink>JavaScript
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 29

ClusterFuzz has detected this issue as fixed in range 612041:612059.

Detailed report: https://clusterfuzz.com/testcase?key=5138525131112448

Fuzzer: inferno_twister
Job Type: linux_msan_content_shell_drt
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  blink::V8Element::PartAttributeGetterCallbackForMainWorld
  v8::internal::Simulator::DoRuntimeCall
  v8::internal::Simulator::ExecuteInstruction
  
Sanitizer: memory (MSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_msan_content_shell_drt&range=611565:611570
Fixed: https://clusterfuzz.com/revisions?job=linux_msan_content_shell_drt&range=612041:612059

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5138525131112448

Additional requirements: Requires Gestures

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.
Project Member

Comment 3 by ClusterFuzz, Nov 29

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 5138525131112448 is verified as fixed, so closing issue as verified.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.

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