Integer-overflow in glsl::OutputASM::loopCount |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=6201451872518144 Fuzzer: libFuzzer_swiftshader_vertex_routine_fuzzer Job Type: libfuzzer_chrome_ubsan Platform Id: linux Crash Type: Integer-overflow Crash Address: Crash State: glsl::OutputASM::loopCount glsl::OutputASM::visitLoop TIntermLoop::traverse Sanitizer: undefined (UBSAN) Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=529739:529747 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6201451872518144 Issue filed automatically. See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
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Jan 23 2018
Assigning to SwiftShader team for more updates. @capn - Could you please look into this issue? Thanks!
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Jan 24 2018
This might be related to a tracking bug: https://bugs.chromium.org/p/swiftshader/issues/detail?id=85
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May 30 2018
ClusterFuzz has detected this issue as fixed in range 562443:562447. Detailed report: https://clusterfuzz.com/testcase?key=6201451872518144 Fuzzer: libFuzzer_swiftshader_vertex_routine_fuzzer Job Type: libfuzzer_chrome_ubsan Platform Id: linux Crash Type: Integer-overflow Crash Address: Crash State: glsl::OutputASM::loopCount glsl::OutputASM::visitLoop TIntermLoop::traverse Sanitizer: undefined (UBSAN) Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=529739:529747 Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=562443:562447 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6201451872518144 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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May 30 2018
ClusterFuzz testcase 6201451872518144 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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May 30 2018
Affected by https://swiftshader-review.googlesource.com/18988, but I'm not sure if that actually fixed it or just moved the issue. |
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Comment 1 by ClusterFuzz
, Jan 22 2018Labels: Test-Predator-Auto-Components