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Issue metadata

Status: Duplicate
Merged: issue 874372
Owner:
Closed: Aug 27
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference READ in spvtools::opt::analysis::Struct::Struct

Project Member Reported by ClusterFuzz, Aug 15

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4706286764294144

Fuzzer: libFuzzer_spvtools_opt_legalization_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  spvtools::opt::analysis::Struct::Struct
  spvtools::opt::analysis::TypeManager::RecordIfTypeDefinition
  spvtools::opt::analysis::TypeManager::AnalyzeTypes
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=579911:580305

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4706286764294144

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Aug 15

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.
Cc: dsinclair@chromium.org
Owner: stevenperron@google.com
Status: Assigned (was: Untriaged)
Mergedinto: 874372
Status: Duplicate (was: Assigned)
Project Member

Comment 4 by ClusterFuzz, Aug 28

ClusterFuzz has detected this issue as fixed in range 586270:586271.

Detailed report: https://clusterfuzz.com/testcase?key=4706286764294144

Fuzzer: libFuzzer_spvtools_opt_legalization_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  spvtools::opt::analysis::Struct::Struct
  spvtools::opt::analysis::TypeManager::RecordIfTypeDefinition
  spvtools::opt::analysis::TypeManager::AnalyzeTypes
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=579911:580305
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=586270:586271

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4706286764294144

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.

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