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Null-dereference READ in spvtools::opt::Instruction::TypeResultIdCount |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=5182518581788672 Fuzzer: libFuzzer_spvtools_opt_legalization_fuzzer Job Type: libfuzzer_chrome_msan Platform Id: linux Crash Type: Null-dereference READ Crash Address: 0x00000000002c Crash State: spvtools::opt::Instruction::TypeResultIdCount spvtools::opt::Instruction::GetSingleWordInOperand spvtools::opt::ScalarReplacementPass::GetStorageType Sanitizer: memory (MSAN) Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=589984:590303 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5182518581788672 Issue filed automatically. See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
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Nov 10
Automatically adding ccs based on OWNERS file / target commit history. If this is incorrect, please add ClusterFuzz-Wrong label.
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Nov 12
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Nov 14
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Nov 17
ClusterFuzz has detected this issue as fixed in range 608871:608891. Detailed report: https://clusterfuzz.com/testcase?key=5182518581788672 Fuzzer: libFuzzer_spvtools_opt_legalization_fuzzer Job Type: libfuzzer_chrome_msan Platform Id: linux Crash Type: Null-dereference READ Crash Address: 0x00000000002c Crash State: spvtools::opt::Instruction::TypeResultIdCount spvtools::opt::Instruction::GetSingleWordInOperand spvtools::opt::ScalarReplacementPass::GetStorageType Sanitizer: memory (MSAN) Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=589984:590303 Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=608871:608891 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5182518581788672 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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Comment 1 by ClusterFuzz
, Nov 10Labels: Test-Predator-Auto-Components