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Issue 803328 link

Starred by 2 users
Status: WontFix
Owner:
capn@chromium.org
Closed: Dec 1
Cc:
sugoi@chromium.org
█ brajkumar@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Integer-overflow in TType::totalRegisterCount

Project Member Reported by ClusterFuzz, Jan 18 2018 
Detailed report: https://clusterfuzz.com/testcase?key=6689855152324608

Fuzzer: libFuzzer_swiftshader_vertex_routine_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  TType::totalRegisterCount
  TType::elementRegisterCount
  glsl::OutputASM::lvalue
  
Sanitizer: undefined (UBSAN)

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

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6689855152324608

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Jan 18 2018

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.

Comment 2 by brajkumar@chromium.org, Jan 18 2018

Cc: sugoi@chromium.org brajkumar@chromium.org
Labels: M-65 Test-Predator-Correct
Owner: capn@chromium.org
Status: Assigned (was: Untriaged)
Assigning to SwiftShader dev for more updates on this issue.

@capn - Could you please look into this issue?

Thanks!
Project Member

Comment 3 by ClusterFuzz, Dec 1

Labels: -Reproducible Unreproducible
ClusterFuzz testcase 6689855152324608 appears to be flaky, updating reproducibility label.
Project Member

Comment 4 by ClusterFuzz, Dec 1

Status: WontFix (was: Assigned)
ClusterFuzz testcase 6689855152324608 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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