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Issue metadata

Status: Duplicate
Merged: issue 911800
Owner:
Closed: Dec 6
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference READ in blink::probe::AsyncTaskCanceled

Project Member Reported by ClusterFuzz, Dec 6

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4685853940776960

Fuzzer: inferno_layout_test_unmodified
Job Type: linux_asan_chrome_mp
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000058
Crash State:
  blink::probe::AsyncTaskCanceled
  blink::MutationObserver::~MutationObserver
  blink::NormalPage::Sweep
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_mp&range=614195:614198

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4685853940776960

Additional requirements: Requires Gestures

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Dec 6

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, Dec 6

Labels: Test-Predator-Auto-Owner
Owner: hinoka@google.com
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/e206e5c21ee57618fc3c7fa9d59a60360d39f711 (Replace blink::ToIsolate(ExecutionContext) with blink::ExecutionContext->GetIsolate()).

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: 911800
Status: Duplicate (was: Assigned)
Project Member

Comment 4 by ClusterFuzz, Dec 8

ClusterFuzz has detected this issue as fixed in range 614418:614421.

Detailed report: https://clusterfuzz.com/testcase?key=4685853940776960

Fuzzer: inferno_layout_test_unmodified
Job Type: linux_asan_chrome_mp
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000058
Crash State:
  blink::probe::AsyncTaskCanceled
  blink::MutationObserver::~MutationObserver
  blink::NormalPage::Sweep
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_mp&range=614195:614198
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_mp&range=614418:614421

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4685853940776960

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.

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