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Starred by 2 users

Issue metadata

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



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Null-dereference READ in mov_read_sidx

Project Member Reported by ClusterFuzz, Dec 4 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5454730250944512

Fuzzer: libFuzzer_media_pipeline_integration_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000028
Crash State:
  mov_read_sidx
  base::CreateThread
  base::internal::SchedulerWorker::Thread::Create
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=517948:517979

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5454730250944512

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Dec 4 2017

Labels: Test-Predator-Auto-Owner
Owner: sande...@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/422fe3c817a246ec2e44403972a8b961ab7ee8cc ([media] Refactor //media/mojo:unit_tests target.).

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

Comment 2 by ClusterFuzz, Dec 4 2017

Components: 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 3 by ClusterFuzz, Jan 3 2018

ClusterFuzz has detected this issue as fixed in range 526583:526597.

Detailed report: https://clusterfuzz.com/testcase?key=5454730250944512

Fuzzer: libFuzzer_media_pipeline_integration_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000028
Crash State:
  mov_read_sidx
  base::CreateThread
  base::internal::SchedulerWorker::Thread::Create
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=517948:517979
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=526583:526597

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5454730250944512

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 4 by ClusterFuzz, Jan 3 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5454730250944512 is verified as fixed, so closing issue as verified.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
Components: -Internals>TaskScheduler
Labels: Test-Predator-Wrong-Components
Based off of the CL, the wrong component was marked.

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