New issue
Advanced search Search tips
Note: Color blocks (like or ) mean that a user may not be available. Tooltip shows the reason.

Issue 881676 link

Starred by 1 user

Issue metadata

Status: Verified
Owner:
Closed: Nov 3
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



Sign in to add a comment

Floating-point-exception in base::sequence_manager::ThreadManager::GetTaskQueueFor

Project Member Reported by ClusterFuzz, Sep 7

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4866655021432832

Fuzzer: libFuzzer_sequence_manager_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Floating-point-exception
Crash Address: 
Crash State:
  base::sequence_manager::ThreadManager::GetTaskQueueFor
  base::sequence_manager::ThreadManager::PostDelayedTask
  base::sequence_manager::ThreadManager::ExecuteThread
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=586754:586756

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4866655021432832

Issue filed automatically.

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
 
Project Member

Comment 1 by ClusterFuzz, Sep 7

Components: Blink>Scheduling
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 7

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

SQM Fuzzer: Add support for cross-thread posting. by farahcharab@google.com - https://chromium.googlesource.com/chromium/src/+/f67097b4acac3a85de15f259ee38295da301802e

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label.
Cc: skyos...@chromium.org altimin@chromium.org alexclarke@chromium.org
Labels: M-70
Owner: altimin@chromium.org
Status: Assigned (was: Untriaged)
Predator as provided 1 possible suspect

Suspect CL: https://chromium.googlesource.com/chromium/src/+/f67097b4acac3a85de15f259ee38295da301802e

Since author has not visited crbug recently, hence assigning it to author altimin@
Project Member

Comment 5 by ClusterFuzz, Nov 3

ClusterFuzz has detected this issue as fixed in range 605101:605110.

Detailed report: https://clusterfuzz.com/testcase?key=4866655021432832

Fuzzer: libFuzzer_sequence_manager_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Floating-point-exception
Crash Address: 
Crash State:
  base::sequence_manager::ThreadManager::GetTaskQueueFor
  base::sequence_manager::ThreadManager::PostDelayedTask
  base::sequence_manager::ThreadManager::ExecuteThread
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=586754:586756
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=605101:605110

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4866655021432832

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md 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 6 by ClusterFuzz, Nov 3

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 4866655021432832 is verified as fixed, so closing issue as verified.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.

Sign in to add a comment