Null-dereference READ in spvtools::opt::Instruction::GetSingleWordInOperand |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=4656535152885760 Fuzzer: libFuzzer_spvtools_opt_performance_fuzzer Job Type: libfuzzer_chrome_ubsan Platform Id: linux Crash Type: Null-dereference READ Crash Address: 0x000000000000 Crash State: spvtools::opt::Instruction::GetSingleWordInOperand spvtools::opt::ScalarReplacementPass::GetStorageType spvtools::opt::ScalarReplacementPass::ReplaceWholeStore Sanitizer: undefined (UBSAN) Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=589988:590303 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4656535152885760 Issue filed automatically. See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
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Oct 20
Automatically applying components based on crash stacktrace and information from OWNERS files. If this is incorrect, please apply the Test-Predator-Wrong-Components label.
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Oct 20
Automatically adding ccs based on OWNERS file / target commit history. If this is incorrect, please add ClusterFuzz-Wrong label.
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Oct 22
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Oct 22
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Nov 8
ClusterFuzz has detected this issue as fixed in range 606045:606059. Detailed report: https://clusterfuzz.com/testcase?key=4656535152885760 Fuzzer: libFuzzer_spvtools_opt_performance_fuzzer Job Type: libfuzzer_chrome_ubsan Platform Id: linux Crash Type: Null-dereference READ Crash Address: 0x000000000000 Crash State: spvtools::opt::Instruction::GetSingleWordInOperand spvtools::opt::ScalarReplacementPass::GetStorageType spvtools::opt::ScalarReplacementPass::ReplaceWholeStore Sanitizer: undefined (UBSAN) Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=589988:590303 Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=606045:606059 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4656535152885760 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
, Oct 20