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Issue 853420 link

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Issue metadata

Status: Verified
Owner:
Closed: Aug 14
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Use-of-uninitialized-value in void base::Pickle::WriteBytesStatic<4ul>

Project Member Reported by ClusterFuzz, Jun 16 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5254243246931968

Fuzzer: inferno_layout_test_unmodified
Job Type: linux_msan_content_shell_drt
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  void base::Pickle::WriteBytesStatic<4ul>
  IPC::ParamTraits<gpu::FlushParams>::Write
  IPC::MessageT<GpuChannelMsg_FlushCommandBuffers_Meta, std::__1::tuple<std::__1::
  
Sanitizer: memory (MSAN)

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5254243246931968

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Jun 20 2018

Components: Internals>GPU>Internals
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-67 Test-Predator-Wrong CF-NeedsTriage
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 GPU team to look in to this issue.

Thanks!
Owner: sunn...@chromium.org
Status: Assigned (was: Untriaged)
sunnyps, can you take a look? Is some member of FlushParams not initialized properly?
Project Member

Comment 4 by ClusterFuzz, Aug 14

ClusterFuzz has detected this issue as fixed in range 582653:582655.

Detailed report: https://clusterfuzz.com/testcase?key=5254243246931968

Fuzzer: inferno_layout_test_unmodified
Job Type: linux_msan_content_shell_drt
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  void base::Pickle::WriteBytesStatic<4ul>
  IPC::ParamTraits<gpu::FlushParams>::Write
  IPC::MessageT<GpuChannelMsg_FlushCommandBuffers_Meta, std::__1::tuple<std::__1::
  
Sanitizer: memory (MSAN)

Fixed: https://clusterfuzz.com/revisions?job=linux_msan_content_shell_drt&range=582653:582655

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5254243246931968

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 5 by ClusterFuzz, Aug 14

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5254243246931968 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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