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Issue metadata

Status: Verified
Owner:
Closed: Dec 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Undefined-shift in sw::Shader::declareSampler

Project Member Reported by ClusterFuzz, Dec 9 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6098067697958912

Fuzzer: libFuzzer_swiftshader_vertex_routine_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Undefined-shift
Crash Address: 
Crash State:
  sw::Shader::declareSampler
  glsl::OutputASM::declareUniform
  glsl::OutputASM::declareUniform
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=521492:521536

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6098067697958912

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 9 2017

Components: Internals>GPU>SwiftShader
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: kkaluri@chromium.org
Labels: M-65
Owner: capn@chromium.org
Status: Assigned (was: Untriaged)
@capn -- Could you please look into this issue as the recent changes done to the file Shader.cpp are by you, kindly reassign if it has nothing to do with your changes.


Thank You.
Project Member

Comment 3 by ClusterFuzz, Dec 20 2017

ClusterFuzz has detected this issue as fixed in range 525156:525174.

Detailed report: https://clusterfuzz.com/testcase?key=6098067697958912

Fuzzer: libFuzzer_swiftshader_vertex_routine_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Undefined-shift
Crash Address: 
Crash State:
  sw::Shader::declareSampler
  glsl::OutputASM::declareUniform
  glsl::OutputASM::declareUniform
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=521492:521536
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=525156:525174

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6098067697958912

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, Dec 20 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 6098067697958912 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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