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Issue metadata

Status: Verified
Owner: ----
Closed: Jan 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference READ in blink::Node::IsDescendantOf

Project Member Reported by ClusterFuzz, Jan 2 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4522651816296448

Fuzzer: bj_broddelwerk
Job Type: linux_asan_content_shell_drt
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000010
Crash State:
  blink::Node::IsDescendantOf
  blink::DeleteSelectionCommand::RemovePreviouslySelectedEmptyTableRows
  blink::DeleteSelectionCommand::DoApply
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_content_shell_drt&range=473072:473106

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4522651816296448

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Jan 2 2018

Components: Blink>Editing
Labels: Test-Predator-Auto-Components
Automatically applying components based on crash stacktrace and information from OWNERS files.

If this is incorrect, please apply the Test-Predator-Wrong-Components label.
Project Member

Comment 2 by ClusterFuzz, Jan 2 2018

Cc: nainar@chromium.org rlanday@chromium.org xiaoche...@chromium.org
Labels: Test-Predator-Auto-CC
Automatically adding ccs based on suspected regression changelists:

Rename DMC::SetMarkersActive() to SetTextMatchMarkersActive() by rlanday@chromium.org - https://chromium.googlesource.com/chromium/src/+/97cf10ffd89f897b67f489c4b072886e186c9944

Add class level comments to LayoutTreeBuilder by nainar@chromium.org - https://chromium.googlesource.com/chromium/src/+/f24a21c25dd45feb95fdf9bece7a589ab1126532

Make user-triggered SelectAll act as if there is no selection for hidden selection by xiaochengh@chromium.org - https://chromium.googlesource.com/chromium/src/+/bd5cd151162312c124b976bc822bbd0e6f4f2d39

If this is incorrect, please apply the Test-Predator-Wrong-CLs label.
Project Member

Comment 3 by ClusterFuzz, Jan 2 2018

ClusterFuzz has detected this issue as fixed in range 526440:526441.

Detailed report: https://clusterfuzz.com/testcase?key=4522651816296448

Fuzzer: bj_broddelwerk
Job Type: linux_asan_content_shell_drt
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000010
Crash State:
  blink::Node::IsDescendantOf
  blink::DeleteSelectionCommand::RemovePreviouslySelectedEmptyTableRows
  blink::DeleteSelectionCommand::DoApply
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_content_shell_drt&range=473072:473106
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_content_shell_drt&range=526440:526441

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4522651816296448

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.
Project Member

Comment 4 by ClusterFuzz, Jan 2 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 4522651816296448 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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