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Issue 825441 link

Starred by 3 users

Issue metadata

Status: Verified
Owner: ----
Closed: Apr 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Data race in gfx::SetFontRenderParamsDeviceScaleFactor

Project Member Reported by ClusterFuzz, Mar 24 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6644650270785536

Fuzzer: attekett_surku_fuzzer
Job Type: linux_tsan_chrome_mp
Platform Id: linux

Crash Type: Data race WRITE 4
Crash Address: 0x5564b221ca88
Crash State:
  gfx::SetFontRenderParamsDeviceScaleFactor
  views::DesktopScreenX11::UpdateDisplays
  base::internal::Invoker<base::internal::BindState<void
  
Sanitizer: thread (TSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_tsan_chrome_mp&range=523888:523922

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6644650270785536

Additional requirements: Requires Gestures

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Mar 24 2018

Components: Internals>Views UI>GFX
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
Labels: M-66 Test-Predator-Wrong CF-NeedsTriage
Unable to find actual suspect through code search and also observing no related changes under regression range, hence adding appropriate label and requesting someone from UI team to look in to this issue.

Thanks!
Project Member

Comment 3 by ClusterFuzz, Apr 15 2018

ClusterFuzz has detected this issue as fixed in range 550729:550732.

Detailed report: https://clusterfuzz.com/testcase?key=6644650270785536

Fuzzer: attekett_surku_fuzzer
Job Type: linux_tsan_chrome_mp
Platform Id: linux

Crash Type: Data race WRITE 4
Crash Address: 0x5564b221ca88
Crash State:
  gfx::SetFontRenderParamsDeviceScaleFactor
  views::DesktopScreenX11::UpdateDisplays
  base::internal::Invoker<base::internal::BindState<void
  
Sanitizer: thread (TSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_tsan_chrome_mp&range=523888:523922
Fixed: https://clusterfuzz.com/revisions?job=linux_tsan_chrome_mp&range=550729:550732

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6644650270785536

Additional requirements: Requires Gestures

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 4 by ClusterFuzz, Apr 15 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 6644650270785536 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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