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Issue metadata

Status: Verified
Owner:
Closed: Aug 1
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Windows , Mac
Pri: 1
Type: Bug
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Null-dereference READ in blink::ComputedAccessibleNodePromiseResolver::UpdateTreeAndResolve

Project Member Reported by ClusterFuzz, Jul 13

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5216046005616640

Fuzzer: inferno_layout_test_unmodified
Job Type: windows_asan_content_shell
Platform Id: windows

Crash Type: Null-dereference READ
Crash Address: 0x000000000050
Crash State:
  blink::ComputedAccessibleNodePromiseResolver::UpdateTreeAndResolve
  blink::FrameRequestCallbackCollection::ExecuteCallbacks
  blink::ScriptedAnimationController::ExecuteCallbacks
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=windows_asan_content_shell&range=538675:538682

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5216046005616640

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Jul 13

Components: 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, Jul 13

Cc: meredithl@google.com
Labels: Test-Predator-Auto-CC
Automatically adding ccs based on suspected regression changelists:

Refactors ensureUpToDate to use rAF callback. by meredithl@google.com - https://chromium.googlesource.com/chromium/src/+/e35fb3af9c9e2ce800e8f5c9bca93cb650c6f738

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label.
Project Member

Comment 3 by ClusterFuzz, Jul 13

Labels: OS-Linux
Project Member

Comment 4 by ClusterFuzz, Jul 17

Labels: OS-Mac
Cc: kkaluri@chromium.org
Labels: Test-Predator-Wrong
Owner: aboxhall@chromium.org
Status: Assigned (was: Untriaged)
Since meredithl@ is last visit more than 30 days, assigning it to reviewer for further triage.

Suspect CL: https://chromium.googlesource.com/chromium/src/+/e35fb3af9c9e2ce800e8f5c9bca93cb650c6f738

aboxhall@ Could you please look into it.
Components: -Blink>DOM Blink>Accessibility
Project Member

Comment 7 by ClusterFuzz, Aug 1

ClusterFuzz has detected this issue as fixed in range 579329:579330.

Detailed report: https://clusterfuzz.com/testcase?key=5216046005616640

Fuzzer: inferno_layout_test_unmodified
Job Type: windows_asan_content_shell
Platform Id: windows

Crash Type: Null-dereference READ
Crash Address: 0x000000000050
Crash State:
  blink::ComputedAccessibleNodePromiseResolver::UpdateTreeAndResolve
  blink::FrameRequestCallbackCollection::ExecuteCallbacks
  blink::ScriptedAnimationController::ExecuteCallbacks
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=windows_asan_content_shell&range=538675:538682
Fixed: https://clusterfuzz.com/revisions?job=windows_asan_content_shell&range=579329:579330

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5216046005616640

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 8 by ClusterFuzz, Aug 1

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5216046005616640 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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