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Issue 906399 link

Starred by 1 user
Status: Duplicate
Merged: issue 873225
Owner:
stevenperron@google.com
Closed: Nov 19
Cc:
vmi...@chromium.org
piman@chromium.org
dsinclair@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference READ in spvtools::opt::Instruction::type_id

Project Member Reported by ClusterFuzz, Nov 17 
Detailed report: https://clusterfuzz.com/testcase?key=5629896862466048

Fuzzer: libFuzzer_spvtools_opt_legalization_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  spvtools::opt::Instruction::type_id
  spvtools::opt::analysis::ConstantManager::FindDeclaredConstant
  spvtools::opt::analysis::ConstantManager::GetDefiningInstruction
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=589988:590303

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5629896862466048

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Nov 17

Components: Internals>GPU>Internals
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, Nov 17

Cc: dsinclair@chromium.org vmi...@chromium.org piman@chromium.org
Labels: ClusterFuzz-Auto-CC
Automatically adding ccs based on OWNERS file / target commit history.

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

Comment 3 by dsinclair@chromium.org, Nov 19

Owner: stevenperron@google.com
Status: Assigned (was: Untriaged)

Comment 4 by stevenperron@google.com, Nov 19

Mergedinto: 873225
Status: Duplicate (was: Assigned)
Project Member

Comment 5 by ClusterFuzz, Dec 1

Labels: -Reproducible Unreproducible
ClusterFuzz testcase 5629896862466048 appears to be flaky, updating reproducibility label.
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