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Issue 854136 link

Starred by 1 user

Issue metadata

Status: Verified
Owner:
Closed: Aug 31
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Data race in blink::FontDataCache::PurgeLeastRecentlyUsed

Project Member Reported by ClusterFuzz, Jun 19 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4927149543522304

Fuzzer: ochang_domfuzzer
Job Type: linux_tsan_chrome_mp
Platform Id: linux

Crash Type: Data race READ 1
Crash Address: 0x562a2349ed58
Crash State:
  blink::FontDataCache::PurgeLeastRecentlyUsed
  blink::FontDataCache::Purge
  blink::FontCache::Invalidate
  
Sanitizer: thread (TSAN)

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4927149543522304

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Jun 19 2018

Components: Platform
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.
Cc: brajkumar@chromium.org
Components: -Platform Blink>Fonts
Labels: M-68 Test-Predator-Wrong
Unable to find actual suspect through code search and also observing no CL's under regression range, hence adding appropriate label and requesting someone from blink team to look in to this issue.

Thanks!
Labels: CF-NeedsTriage

Comment 4 by e...@chromium.org, Jun 28 2018

Owner: drott@chromium.org
Status: Assigned (was: Untriaged)
Project Member

Comment 5 by ClusterFuzz, Aug 31

ClusterFuzz has detected this issue as fixed in range 587950:587951.

Detailed report: https://clusterfuzz.com/testcase?key=4927149543522304

Fuzzer: ochang_domfuzzer
Job Type: linux_tsan_chrome_mp
Platform Id: linux

Crash Type: Data race READ 1
Crash Address: 0x562a2349ed58
Crash State:
  blink::FontDataCache::PurgeLeastRecentlyUsed
  blink::FontDataCache::Purge
  blink::FontCache::Invalidate
  
Sanitizer: thread (TSAN)

Fixed: https://clusterfuzz.com/revisions?job=linux_tsan_chrome_mp&range=587950:587951

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4927149543522304

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 6 by ClusterFuzz, Aug 31

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 4927149543522304 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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