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Issue metadata

Status: Duplicate
Merged: issue 884289
Owner:
Closed: Sep 18
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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

Project Member Reported by ClusterFuzz, Sep 15

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6043132771434496

Fuzzer: inferno_twister
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000020
Crash State:
  blink::Node::GetTreeScope
  GetDocument
  blink::StyleInvalidator::Invalidate
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=591303:591304

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6043132771434496

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Sep 15

Components: Blink>CSS 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, Sep 15

Labels: Test-Predator-Auto-Owner
Owner: futhark@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/ed7a56654a501f4764b5df1fb06f984b0650050b (Introduce StyleTraversalRoot for invalidate/recalc/rebuild.).

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: 884289
Status: Duplicate (was: Assigned)
Project Member

Comment 4 by ClusterFuzz, Sep 18

ClusterFuzz has detected this issue as fixed in range 591668:591669.

Detailed report: https://clusterfuzz.com/testcase?key=6043132771434496

Fuzzer: inferno_twister
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000020
Crash State:
  blink::Node::GetTreeScope
  GetDocument
  blink::StyleInvalidator::Invalidate
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=591303:591304
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=591668:591669

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6043132771434496

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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