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Issue 921326 link

Starred by 1 user
Status: Assigned
Owner:
sugoi@google.com
Cc:
█ chrisforbes@google.com
nicolasc...@google.com
cwallez@google.com
█ shannonwoods@google.com
sugoi@google.com
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, Jan 12 
Detailed report: https://clusterfuzz.com/testcase?key=5357364852817920

Fuzzer: libFuzzer_swiftshader_vertex_routine_fuzzer
Fuzz target binary: 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::getArgumentInfo
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=529739:529747

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5357364852817920

Issue filed automatically.

See https://github.com/google/clusterfuzz-tools for instructions to reproduce this bug locally.
Project Member

Comment 1 by ClusterFuzz, Jan 12

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.
Project Member

Comment 2 by ClusterFuzz, Jan 12

Cc: nicolasc...@google.com chrisforbes@google.com shannonwoods@google.com sugoi@google.com cwallez@google.com
Labels: ClusterFuzz-Auto-CC
Automatically adding ccs based on OWNERS file / target commit history.

If this is incorrect, please add ClusterFuzz-Wrong label.
Project Member

Comment 3 by ClusterFuzz, Jan 12

Labels: Test-Predator-Auto-Owner
Owner: sugoi@google.com
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://swiftshader.googlesource.com/SwiftShader/+/da163edbdc41cbccacfd526f51b2cd2a9b6267bf (Sampler allocation fix).

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label. If you aren't the correct owner for this issue, please unassign yourself as soon as possible so it can be re-triaged.
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