Null-dereference READ in blink::LayoutTable::RemoveColumn |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=4899721473949696 Fuzzer: mbarbella_webcomponents Job Type: linux_ubsan_vptr_content_shell_drt Platform Id: linux Crash Type: Null-dereference READ Crash Address: 0x000000000000 Crash State: blink::LayoutTable::RemoveColumn blink::LayoutObjectChildList::RemoveChildNode blink::LayoutBoxModelObject::RemoveChild Sanitizer: undefined (UBSAN) Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_content_shell_drt&range=526968:526970 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4899721473949696 Issue filed automatically. See https://github.com/google/clusterfuzz-tools for more information.
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Jan 4 2018
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/4766c5012f46eed5afec44dcbc10e7365eadbc1b (Merge anonymous table boxes when appropriate.). If this is incorrect, please remove the owner and apply the Test-Predator-Wrong-CLs label.
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Jan 4 2018
28 regression from this one cl, we should revert.
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Jan 4 2018
Reverted in https://chromium-review.googlesource.com/c/chromium/src/+/851072. ClusterFuzz should auto-close these 28 bugs tmrw. Please do add tests from these bugs before putting the CL up again for review.
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Jan 5 2018
ClusterFuzz has detected this issue as fixed in range 527017:527023. Detailed report: https://clusterfuzz.com/testcase?key=4899721473949696 Fuzzer: mbarbella_webcomponents Job Type: linux_ubsan_vptr_content_shell_drt Platform Id: linux Crash Type: Null-dereference READ Crash Address: 0x000000000000 Crash State: blink::LayoutTable::RemoveColumn blink::LayoutObjectChildList::RemoveChildNode blink::LayoutBoxModelObject::RemoveChild Sanitizer: undefined (UBSAN) Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_content_shell_drt&range=526968:526970 Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_content_shell_drt&range=527017:527023 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4899721473949696 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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Jan 5 2018
ClusterFuzz testcase 4899721473949696 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
, Jan 4 2018Labels: Test-Predator-Auto-Components