Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5714394433716224 Fuzzer: ifratric-browserfuzzer-v3 Job Type: linux_ubsan_chrome Platform Id: linux Crash Type: Integer-overflow Crash Address: Crash State: blink::cornerRect blink::PaintLayerScrollableArea::resizerCornerRect blink::ScrollingCoordinator::computeShouldHandleScrollGestureOnMainThreadRegion Sanitizer: undefined (UBSAN) Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=446721:447186 Reproducer Testcase: https://cluster-fuzz.appspot.com/download/AMIfv96rFY6FtdiHTNUdThcqV37uZLgViE9_yTpDjkoPv-g4XE29eGxO1alo694_xwFblRl7z8qvExnsFLpu5CQuPRAC-qLgQlrnGZX02x0g6iBMSP_FM79F-O95A8SZAqY7mHaudnK0wDV2FpiKTzOQxZshIKA7yk2Byg1OZawnFWO8xNcwqMcQMJAZpQg_Wvng3K24eVPCeIP0ro1c4Jzv8L8eCBWbLLOHT73J86O5NuiQsEcp55JkhXp0cbXR7N0_0L4Npvx3iiwfxkFNWHSua9ZtvFmoU4VyDM_275-38wPwSCKaJfr_HqbsTleBYZeYcqWmGolfV2UWm_F_g3RkmCngMlt9j5pcLcqC8yEpRy6ZNA7dB1w?testcase_id=5714394433716224 Issue filed automatically. See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
Author: szager Project: chromium Changelist: https://chromium.googlesource.com/chromium/src/+/a84f6044bfe3bc52dde4c2cdddbbc92be1b56ab1 Time: Mon Jan 30 23:56:54 2017 Lines 195, 957-964, 976, 985 of file ScrollingCoordinator.cpp which potentially caused crash are changed in this cl (frame #2, "blink::ScrollingCoordinator::computeShouldHandleScrollGestureOnMainThreadRegion"; frame #3, "blink::ScrollingCoordinator::updateAfterCompositingChangeIfNeeded").
ClusterFuzz has detected this issue as fixed in range 458106:458153. Detailed report: https://clusterfuzz.com/testcase?key=5714394433716224 Fuzzer: ifratric-browserfuzzer-v3 Job Type: linux_ubsan_chrome Platform Id: linux Crash Type: Integer-overflow Crash Address: Crash State: blink::cornerRect blink::PaintLayerScrollableArea::resizerCornerRect blink::ScrollingCoordinator::computeShouldHandleScrollGestureOnMainThreadRegion Sanitizer: undefined (UBSAN) Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=446721:447186 Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=458106:458153 Reproducer Testcase: https://clusterfuzz.com/download/AMIfv96rFY6FtdiHTNUdThcqV37uZLgViE9_yTpDjkoPv-g4XE29eGxO1alo694_xwFblRl7z8qvExnsFLpu5CQuPRAC-qLgQlrnGZX02x0g6iBMSP_FM79F-O95A8SZAqY7mHaudnK0wDV2FpiKTzOQxZshIKA7yk2Byg1OZawnFWO8xNcwqMcQMJAZpQg_Wvng3K24eVPCeIP0ro1c4Jzv8L8eCBWbLLOHT73J86O5NuiQsEcp55JkhXp0cbXR7N0_0L4Npvx3iiwfxkFNWHSua9ZtvFmoU4VyDM_275-38wPwSCKaJfr_HqbsTleBYZeYcqWmGolfV2UWm_F_g3RkmCngMlt9j5pcLcqC8yEpRy6ZNA7dB1w?testcase_id=5714394433716224 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.
ClusterFuzz testcase 5714394433716224 is verified as fixed, so closing issue. If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
Comment 1 by mummare...@chromium.org
, Jan 31 2017Labels: Test-Predator-Wrong M-58
Owner: szager@chromium.org
Status: Assigned (was: Untriaged)