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Issue metadata

Status: Verified
Owner: ----
Closed: Jan 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference READ in test_runner::MockWebSpeechRecognizer::PostRunTaskFromQueue

Project Member Reported by ClusterFuzz, Nov 3 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5269921264304128

Fuzzer: inferno_layout_test_unmodified
Job Type: linux_ubsan_vptr_content_shell_drt
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  test_runner::MockWebSpeechRecognizer::PostRunTaskFromQueue
  blink::scheduler::TaskQueueManager::ProcessTaskFromWorkQueue
  blink::scheduler::TaskQueueManager::DoWork
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_content_shell_drt&range=508795:508862

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5269921264304128

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Nov 3 2017

Components: Blink>Scheduling
Labels: Test-Predator-AutoComponents
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 3 2017

Labels: Test-Predator-AutoOwner
Owner: kbr@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/75e1ece2dc50b024f743e61cf3889e2393be8355 (Null-check result of CreateOffscreenGraphicsContext3DProvider.).

If this is incorrect, please remove the owner and apply the Test-Predator-Wrong-CLs label.

Comment 3 by kbr@chromium.org, Nov 3 2017

Labels: Test-Predator-Wrong-CLs
Owner: ----
Status: Available (was: Assigned)
Labels: Test-Predator-Auto-CC
Labels: -Test-Predator-AutoComponents Test-Predator-Auto-Components
Labels: -Test-Predator-AutoOwner Test-Predator-Auto-Owner
Labels: -Test-Predator-Auto-CC
Project Member

Comment 8 by ClusterFuzz, Jan 26 2018

ClusterFuzz has detected this issue as fixed in range 531839:531841.

Detailed report: https://clusterfuzz.com/testcase?key=5269921264304128

Fuzzer: inferno_layout_test_unmodified
Job Type: linux_ubsan_vptr_content_shell_drt
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  test_runner::MockWebSpeechRecognizer::PostRunTaskFromQueue
  blink::scheduler::TaskQueueManager::ProcessTaskFromWorkQueue
  blink::scheduler::TaskQueueManager::DoWork
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_content_shell_drt&range=508795:508862
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_content_shell_drt&range=531839:531841

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5269921264304128

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 9 by ClusterFuzz, Jan 26 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Available)
ClusterFuzz testcase 5269921264304128 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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