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Issue metadata

Status: Verified
Owner: ----
Closed: Jul 26
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Integer-overflow in base::time_internal::TimeBase<base::TimeTicks>::operator-

Project Member Reported by ClusterFuzz, Jul 20

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5709952312934400

Fuzzer: libFuzzer_sequence_manager_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  base::time_internal::TimeBase<base::TimeTicks>::operator-
  base::sequence_manager::internal::ThreadControllerImpl::SetNextDelayedDoWork
  base::sequence_manager::TimeDomain::SetNextWakeUpForQueue
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=576877:576893

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5709952312934400

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Jul 20

Components: Internals>Core Internals>TaskScheduler
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 26

ClusterFuzz has detected this issue as fixed in range 577867:577877.

Detailed report: https://clusterfuzz.com/testcase?key=5709952312934400

Fuzzer: libFuzzer_sequence_manager_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  base::time_internal::TimeBase<base::TimeTicks>::operator-
  base::sequence_manager::internal::ThreadControllerImpl::SetNextDelayedDoWork
  base::sequence_manager::TimeDomain::SetNextWakeUpForQueue
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=576877:576893
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=577867:577877

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5709952312934400

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 3 by ClusterFuzz, Jul 26

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 5709952312934400 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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