Null-dereference READ in spvtools::val::Instruction::opcode |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=5085742930591744 Fuzzer: afl_spvtools_opt_performance_fuzzer Job Type: afl_chrome_asan Platform Id: linux Crash Type: Null-dereference READ Crash Address: 0x00000000003a Crash State: spvtools::val::Instruction::opcode spvtools::val::ValidationState_t::IsIntScalarType spvtools::val::ValidationState_t::EvalInt32IfConst Sanitizer: address (ASAN) Regressed: https://clusterfuzz.com/revisions?job=afl_chrome_asan&range=581965:581976 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5085742930591744 Issue filed automatically. See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
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Aug 20
Automatically adding ccs based on suspected regression changelists: Refactor where opcodes are validated by alanbaker@google.com - https://chromium.googlesource.com/external/github.com/KhronosGroup/SPIRV-Tools/+/2896b8f0e5f85a726d724d46c0641529280a7a31 Move type instruction validation into separate file by alanbaker@google.com - https://chromium.googlesource.com/external/github.com/KhronosGroup/SPIRV-Tools/+/f2a990022a4b99d11c5fd0567a7c16f67d4e3b59 If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label.
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Aug 20
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Aug 23
Fixed in https://github.com/KhronosGroup/SPIRV-Tools/commit/197b4597a0dc84d0526d4844430e44f486d0fd01
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Aug 28
ClusterFuzz has detected this issue as fixed in range 586270:586273. Detailed report: https://clusterfuzz.com/testcase?key=5085742930591744 Fuzzer: afl_spvtools_opt_performance_fuzzer Job Type: afl_chrome_asan Platform Id: linux Crash Type: Null-dereference READ Crash Address: 0x00000000003a Crash State: spvtools::val::Instruction::opcode spvtools::val::ValidationState_t::IsIntScalarType spvtools::val::ValidationState_t::EvalInt32IfConst Sanitizer: address (ASAN) Regressed: https://clusterfuzz.com/revisions?job=afl_chrome_asan&range=581965:581976 Fixed: https://clusterfuzz.com/revisions?job=afl_chrome_asan&range=586270:586273 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5085742930591744 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 28
ClusterFuzz testcase 5085742930591744 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 20Labels: Test-Predator-Auto-Components