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Issue 754666 link

Starred by 1 user

Issue metadata

Status: WontFix
Owner:
Closed: Nov 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Timeout in gpu_swiftshader_fuzzer

Project Member Reported by ClusterFuzz, Aug 11 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5875519920013312

Fuzzer: libFuzzer_gpu_swiftshader_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: Timeout (exceeds 25 secs)
Crash Address: 
Crash State:
  gpu_swiftshader_fuzzer
  
Sanitizer: address (ASAN)

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5875519920013312

Issue filed automatically.

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

Note: This crash might not be reproducible with the provided testcase. That said, for the past 14 days we've been seeing this crash frequently. If you are unable to reproduce this, please try a speculative fix based on the crash stacktrace in the report. The fix can be verified by looking at the crash statistics in the report, a day after the fix is deployed. If the fix resolved the issue, please close the bug by marking as Fixed.


 
Labels: Pri-2
Stack-overflow, Out of memory and Timeout issues are 'P2'.
Cc: msrchandra@chromium.org
Labels: Test-Predator-Correct-CLs
Owner: piman@chromium.org
Status: Assigned (was: Untriaged)
Assigning to concern owner from Predator Results --
Regression information is not available. The result is the blame information. 

Author: John Bauman
Project: chromium-swiftshader
Changelist: https://swiftshader.googlesource.com/SwiftShader.git/+/66b8ab22586debccb1f787d4d52b7f042d4ddeb8
Time: Tue May 06 15:57:45 2014 -0400
The CL last changed line 46 of file Resource.cpp, which is stack frame 3. 

Author: Nicolas Capens
Project: chromium-swiftshader
Changelist: https://swiftshader.googlesource.com/SwiftShader.git/+/bf7a8145635e7dc6625596be127733ac7418cf21
Time: Fri May 19 10:57:28 2017 -0400
The CL last changed line 3192 of file Surface.cpp, which is stack frame 4. 

Author: Antoine Labour
Project: chromium-swiftshader
Changelist: https://swiftshader.googlesource.com/SwiftShader.git/+/fc2b84d57ce0a5ec7b4173cb1f010b7d0ce1ad36
Time: Fri Jun 09 18:14:05 2017 -0700
The CL last changed line 1195 of file Image.cpp, which is stack frame 5. 

Author: Antoine Labour
Project: chromium-swiftshader
Changelist: https://swiftshader.googlesource.com/SwiftShader.git/+/fc2b84d57ce0a5ec7b4173cb1f010b7d0ce1ad36
Time: Fri Jun 09 18:14:05 2017 -0700
The CL last changed line 1194 of file Image.cpp, which is stack frame 6. 

Author: Nicolas Capens
Project: chromium-swiftshader
Changelist: https://swiftshader.googlesource.com/SwiftShader.git/+/0bac285a78df6a6d7a6b68784748b92805420ffb
Time: Sat May 07 06:09:58 2016 -0400
The CL last changed line 530 of file Texture.cpp, which is stack frame 7.

Suspecting Commit#
https://swiftshader.googlesource.com/SwiftShader.git/+/fc2b84d57ce0a5ec7b4173cb1f010b7d0ce1ad36

@piman -- Could you please look into the issue, kindly re-assign if this is not related to your changes.
Thank You.

Comment 3 by piman@chromium.org, Sep 11 2017

Cc: piman@chromium.org
Owner: capn@chromium.org

Comment 4 by mmoroz@chromium.org, Oct 24 2017

For more information, please see https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md.

The link referenced in the description is no longer valid.

(bulk edit)
Project Member

Comment 5 by ClusterFuzz, Nov 13 2017

Status: WontFix (was: Assigned)
ClusterFuzz testcase 5875519920013312 is flaky and no longer crashes, so closing issue.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.

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