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Issue 867593 link

Starred by 1 user
Status: WontFix
Owner:
capn@chromium.org
Closed: Dec 1
Cc:
kkaluri@chromium.org
sugoi@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, Jul 25 
Detailed report: https://clusterfuzz.com/testcase?key=5690318499086336

Fuzzer: libFuzzer_swiftshader_vertex_routine_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

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

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

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5690318499086336

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Jul 25

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 kkaluri@chromium.org, Jul 26

Cc: kkaluri@chromium.org
Labels: M-68
Owner: capn@chromium.org
Status: Assigned (was: Untriaged)
Since it is related to Swiftshader component, assigning it to capn@ for further triage.
Project Member

Comment 3 by ClusterFuzz, Dec 1

Labels: -Reproducible Unreproducible
ClusterFuzz testcase 5690318499086336 appears to be flaky, updating reproducibility label.
Project Member

Comment 4 by ClusterFuzz, Dec 1

Status: WontFix (was: Assigned)
ClusterFuzz testcase 5690318499086336 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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