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Heap-buffer-overflow in spvtools::val::Instruction::word |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=4823027431505920 Fuzzer: afl_spvtools_opt_legalization_fuzzer Job Type: afl_chrome_asan Platform Id: linux Crash Type: Heap-buffer-overflow READ 4 Crash Address: 0x605000000e5c Crash State: spvtools::val::Instruction::word spvtools::val::CheckDecorationsOfEntryPoints spvtools::val::ValidateDecorations Sanitizer: address (ASAN) Recommended Security Severity: Medium Regressed: https://clusterfuzz.com/revisions?job=afl_chrome_asan&range=581965:581976 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4823027431505920 Issue filed automatically. See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
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Aug 11
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Aug 11
This is a serious security regression. If you are not able to fix this quickly, please revert the change that introduced it. If this doesn't affect a release branch, or has not been properly classified for severity, please update the Security_Impact or Security_Severity labels, and remove the ReleaseBlock label. To disable this altogether, apply ReleaseBlock-NA. For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
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Aug 11
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Aug 11
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Aug 13
This is not shipped in Chromium yet, removing ReleaseBlock-Stable.
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Aug 14
Fixed in https://github.com/KhronosGroup/SPIRV-Tools/commit/397e02442e63781f66c70978fffab7551fdadf3f
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Aug 14
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Aug 15
ClusterFuzz has detected this issue as fixed in range 583092:583110. Detailed report: https://clusterfuzz.com/testcase?key=4823027431505920 Fuzzer: afl_spvtools_opt_legalization_fuzzer Job Type: afl_chrome_asan Platform Id: linux Crash Type: Heap-buffer-overflow READ 4 Crash Address: 0x605000000e5c Crash State: spvtools::val::Instruction::word spvtools::val::CheckDecorationsOfEntryPoints spvtools::val::ValidateDecorations Sanitizer: address (ASAN) Recommended Security Severity: Medium Regressed: https://clusterfuzz.com/revisions?job=afl_chrome_asan&range=581965:581976 Fixed: https://clusterfuzz.com/revisions?job=afl_chrome_asan&range=583092:583110 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4823027431505920 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 15
ClusterFuzz testcase 4823027431505920 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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Nov 20
This bug has been closed for more than 14 weeks. Removing security view restrictions. For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot |
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Comment 1 by ClusterFuzz
, Aug 11Labels: Test-Predator-Auto-Components