Integer-overflow in SkPerlinNoiseShaderImpl::PerlinNoiseShaderContext::calculateTurbulenceValueForPo |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=5265362521423872 Fuzzer: inferno_twister Job Type: linux_ubsan_chrome Platform Id: linux Crash Type: Integer-overflow Crash Address: Crash State: SkPerlinNoiseShaderImpl::PerlinNoiseShaderContext::calculateTurbulenceValueForPo SkPerlinNoiseShaderImpl::PerlinNoiseShaderContext::shade SkPerlinNoiseShaderImpl::PerlinNoiseShaderContext::shadeSpan Sanitizer: undefined (UBSAN) Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=400830:400850 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5265362521423872 Issue filed automatically. See https://github.com/google/clusterfuzz-tools for more information.
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Jan 19 2018
Automatically adding ccs based on suspected regression changelists: Reorder colorspaces in GM to match previous behavior by brianosman@google.com - https://chromium.googlesource.com/skia/+/473466c017bd74da21c2165990f8b33a98c6b409 Benchmark rotated rect with AA/noAA by liyuqian@google.com - https://chromium.googlesource.com/skia/+/a27f669f460e9186dbb3ebe3e9323acef95d41b8 If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label.
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Jan 19 2018
I don't think that these two CLs would cause the problem. They're just adding / modifying test cases for Skia without changing any of its behavior.
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Mar 15 2018
ClusterFuzz has detected this issue as fixed in range 543289:543291. Detailed report: https://clusterfuzz.com/testcase?key=5265362521423872 Fuzzer: inferno_twister Job Type: linux_ubsan_chrome Platform Id: linux Crash Type: Integer-overflow Crash Address: Crash State: SkPerlinNoiseShaderImpl::PerlinNoiseShaderContext::calculateTurbulenceValueForPo SkPerlinNoiseShaderImpl::PerlinNoiseShaderContext::shade SkPerlinNoiseShaderImpl::PerlinNoiseShaderContext::shadeSpan Sanitizer: undefined (UBSAN) Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=400830:400850 Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=543289:543291 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5265362521423872 See https://github.com/google/clusterfuzz-tools 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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Mar 15 2018
ClusterFuzz testcase 5265362521423872 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 msrchandra@chromium.org
, Aug 2 2017Labels: M-62 Test-Predator-Wrong-CLs