Null-dereference READ in blink::PaintLayer::GetLayoutBox |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=4755879262683136 Fuzzer: inferno_layout_test_unmodified Job Type: linux_ubsan_vptr_content_shell_drt Platform Id: linux Crash Type: Null-dereference READ Crash Address: 0x000000000000 Crash State: blink::PaintLayer::GetLayoutBox blink::PaintLayerScrollableArea::GetSmoothScrollSequencer blink::ProgrammaticScrollAnimator::ScrollToOffsetWithoutAnimation Sanitizer: undefined (UBSAN) Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_content_shell_drt&range=537047:537050 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4755879262683136 Issue filed automatically. See https://github.com/google/clusterfuzz-tools for more information.
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Feb 16 2018
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/3ab971569afab25c6e330b3898fba29288b68732 (Use PaintLayer pointer from PaintLayerScrollableArea as PaintLayer is destructed first.). If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label. If you aren't the correct owner for this issue, please unassign yourself as soon as possible so it can be re-triaged.
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Feb 17 2018
ClusterFuzz has detected this issue as fixed in range 537316:537317. Detailed report: https://clusterfuzz.com/testcase?key=4755879262683136 Fuzzer: inferno_layout_test_unmodified Job Type: linux_ubsan_vptr_content_shell_drt Platform Id: linux Crash Type: Null-dereference READ Crash Address: 0x000000000000 Crash State: blink::PaintLayer::GetLayoutBox blink::PaintLayerScrollableArea::GetSmoothScrollSequencer blink::ProgrammaticScrollAnimator::ScrollToOffsetWithoutAnimation Sanitizer: undefined (UBSAN) Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_content_shell_drt&range=537047:537050 Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_content_shell_drt&range=537316:537317 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4755879262683136 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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Feb 17 2018
ClusterFuzz testcase 4755879262683136 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 ClusterFuzz
, Feb 16 2018Labels: Test-Predator-Auto-Components