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Issue metadata

Status: Verified
Owner:
Closed: Sep 16
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference READ in test_runner::TestRunner::WorkQueue::ProcessWork

Project Member Reported by ClusterFuzz, Jul 19

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5572473765232640

Fuzzer: mbarbella_js_mutation_layout
Job Type: linux_ubsan_vptr_content_shell_drt
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  test_runner::TestRunner::WorkQueue::ProcessWork
  base::debug::TaskAnnotator::RunTask
  base::sequence_manager::internal::ThreadControllerImpl::DoWork
  
Sanitizer: undefined (UBSAN)

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5572473765232640

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Jul 20

Components: Internals>Core
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 20

Labels: Test-Predator-Auto-Owner
Owner: khushals...@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/4b6c4188b42aace5b8020ee8f906a3057e7480b0 (Reland "content: Enable CompositorImageAnimation by default.").

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.
Project Member

Comment 3 by ClusterFuzz, Sep 16

ClusterFuzz has detected this issue as fixed in range 591595:591596.

Detailed report: https://clusterfuzz.com/testcase?key=5572473765232640

Fuzzer: mbarbella_js_mutation_layout
Job Type: linux_ubsan_vptr_content_shell_drt
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  test_runner::TestRunner::WorkQueue::ProcessWork
  base::debug::TaskAnnotator::RunTask
  base::sequence_manager::internal::ThreadControllerImpl::DoWork
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_content_shell_drt&range=537260:537261
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_content_shell_drt&range=591595:591596

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5572473765232640

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 4 by ClusterFuzz, Sep 16

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5572473765232640 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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