Null-dereference READ in spvtools::utils::IntrusiveList<spvtools::opt::Instruction>::begin |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=5738485617786880 Fuzzer: libFuzzer_spvtools_opt_legalization_fuzzer Job Type: mac_libfuzzer_chrome_asan Platform Id: mac Crash Type: Null-dereference READ Crash Address: 0x000000000020 Crash State: spvtools::utils::IntrusiveList<spvtools::opt::Instruction>::begin spvtools::opt::InstructionList::begin spvtools::opt::BasicBlock::begin Sanitizer: address (ASAN) Regressed: https://clusterfuzz.com/revisions?job=mac_libfuzzer_chrome_asan&range=579321:580531 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5738485617786880 Issue filed automatically. See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
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Aug 6
1. Predator has provided 35 possible suspects 2. Unable to find actual suspect through Predator suspects, code search and also observing no CL's under regression range, hence adding appropriate label 3. CC'ing the stevenperron@ for his maximum changes in the predator list for further triage.
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Aug 7
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Aug 10
ClusterFuzz has detected this issue as fixed in range 581954:581993. Detailed report: https://clusterfuzz.com/testcase?key=5738485617786880 Fuzzer: libFuzzer_spvtools_opt_legalization_fuzzer Job Type: mac_libfuzzer_chrome_asan Platform Id: mac Crash Type: Null-dereference READ Crash Address: 0x000000000020 Crash State: spvtools::utils::IntrusiveList<spvtools::opt::Instruction>::begin spvtools::opt::InstructionList::begin spvtools::opt::BasicBlock::begin Sanitizer: address (ASAN) Regressed: https://clusterfuzz.com/revisions?job=mac_libfuzzer_chrome_asan&range=579321:580531 Fixed: https://clusterfuzz.com/revisions?job=mac_libfuzzer_chrome_asan&range=581954:581993 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5738485617786880 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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Aug 10
ClusterFuzz testcase 5738485617786880 is verified as fixed, so closing issue as verified. If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue. |
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Comment 1 by ClusterFuzz
, Aug 5Labels: Test-Predator-Auto-Components