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Issue metadata

Status: Duplicate
Merged: issue 808876
Owner:
Closed: Feb 2018
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference READ in blink::LayoutTableSection::OriginatingCellAt

Project Member Reported by ClusterFuzz, Feb 3 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4965797903204352

Fuzzer: bj_broddelwerk
Job Type: linux_msan_content_shell_drt
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x0000000000e4
Crash State:
  blink::LayoutTableSection::OriginatingCellAt
  blink::LayoutTableSection::RecalcOverflowAfterStyleChange
  blink::LayoutBlock::RecalcChildOverflowAfterStyleChange
  
Sanitizer: memory (MSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_msan_content_shell_drt&range=534174:534179

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4965797903204352

Issue filed automatically.

See https://github.com/google/clusterfuzz-tools for more information.
 
Project Member

Comment 1 by ClusterFuzz, Feb 3 2018

Labels: Test-Predator-Auto-Owner
Owner: chrishtr@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/bc976225e037d9f9ed5cf135bcd16a1187a30d42 ([PE] Recompute overflow for tables).

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.
Mergedinto: 808876
Status: Duplicate (was: Assigned)
Project Member

Comment 3 by ClusterFuzz, Feb 6 2018

ClusterFuzz has detected this issue as fixed in range 534505:534510.

Detailed report: https://clusterfuzz.com/testcase?key=4965797903204352

Fuzzer: bj_broddelwerk
Job Type: linux_msan_content_shell_drt
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x0000000000e4
Crash State:
  blink::LayoutTableSection::OriginatingCellAt
  blink::LayoutTableSection::RecalcOverflowAfterStyleChange
  blink::LayoutBlock::RecalcChildOverflowAfterStyleChange
  
Sanitizer: memory (MSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_msan_content_shell_drt&range=534174:534179
Fixed: https://clusterfuzz.com/revisions?job=linux_msan_content_shell_drt&range=534505:534510

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4965797903204352

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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