Data race in SkPath::transform |
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Issue descriptionDetailed report: https://cluster-fuzz.appspot.com/testcase?key=5009632272842752 Fuzzer: inferno_twister Job Type: linux_tsan_chrome_mp Platform Id: linux Crash Type: Data race READ 1 Crash Address: 0x7b5000008ecd Crash State: SkPath::transform SkClipStack::clipPath SkCanvas::onClipPath Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_tsan_chrome_mp&range=411529:411868 Minimized Testcase (7.09 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94htajsulXFbY8i50aamLMGLKw6pYgbVHDlsSUqHVrOQRd0Xi95FpdEKpuFp8ybr05CUCxmcNt2UBIRpdwEqsXUFZZs-mkgT2dZKPpKuJALFp4MXNXxc6d91VcrlPDBjgOL_iblE3dITuFe6p2wAD6djuXzhA?testcase_id=5009632272842752 Issue filed automatically. See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
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Oct 26 2016
Cary, does this mean anything to you? I *think* the blame is bogus and I'm not too familiar with this code.
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Oct 27 2016
The problem is a race condition with SkPath::getConvexity(). This periodically shows up in the Skia bots as well.
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Nov 4 2016
ClusterFuzz has detected this issue as fixed in range 429544:429546. Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5009632272842752 Fuzzer: inferno_twister Job Type: linux_tsan_chrome_mp Platform Id: linux Crash Type: Data race READ 1 Crash Address: 0x7b5000008ecd Crash State: SkPath::transform SkClipStack::clipPath SkCanvas::onClipPath Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_tsan_chrome_mp&range=411529:411868 Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_tsan_chrome_mp&range=429544:429546 Minimized Testcase (7.09 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94htajsulXFbY8i50aamLMGLKw6pYgbVHDlsSUqHVrOQRd0Xi95FpdEKpuFp8ybr05CUCxmcNt2UBIRpdwEqsXUFZZs-mkgT2dZKPpKuJALFp4MXNXxc6d91VcrlPDBjgOL_iblE3dITuFe6p2wAD6djuXzhA?testcase_id=5009632272842752 See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs 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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Nov 4 2016
ClusterFuzz testcase is verified as fixed, closing issue. If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
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Nov 22 2016
Removing EditIssue view restrictions from ClusterFuzz filed bugs. If you believe that this issue should still be restricted, please reapply the label. For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot |
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Comment 1 by mummare...@chromium.org
, Oct 24 2016Labels: M-55 Te-Logged
Owner: msarett@chromium.org
Status: Assigned (was: Untriaged)