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Issue metadata

Status: Verified
Owner: ----
Closed: Jun 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 3
Type: Bug



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InsertHorizontalRule command crashes with unusual HTML

Project Member Reported by ClusterFuzz, Feb 2 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6681578215047168

Fuzzer: inferno_layout_test_unmodified
Job Type: linux_lsan_chrome_mp
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000010
Crash State:
  GetFlag
  IsTextNode
  blink::PositionTemplate<blink::EditingAlgorithm<blink::NodeTraversal> >::LastPos
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_lsan_chrome_mp&range=467961:467973

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6681578215047168

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Feb 2 2018

Components: Blink>DOM
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, Feb 2 2018

Labels: Test-Predator-Auto-Owner
Owner: tkent@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/bc4bd9dfb5ff6b2f62d3985e3596df27a9bacec0 (Make NodeFilter a legacy callback interface.).

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.

Comment 3 by tkent@chromium.org, Feb 2 2018

Components: -Blink>DOM Blink>Editing
Owner: ----
Status: Untriaged (was: Assigned)

Comment 4 by yosin@chromium.org, Feb 5 2018

Components: -Blink>Editing Blink>Editing>Command
Labels: -Pri-1 Pri-3
Status: Available (was: Untriaged)
Summary: InsertHorizontalRule command crashes with unusual HTML (was: Null-dereference READ in GetFlag)
Lower to Pri-3, because real world usage of InsertHorizontalRule command is low < 0.03%
Project Member

Comment 5 by ClusterFuzz, Jun 15 2018

ClusterFuzz has detected this issue as fixed in range 567529:567530.

Detailed report: https://clusterfuzz.com/testcase?key=6681578215047168

Fuzzer: inferno_layout_test_unmodified
Job Type: linux_lsan_chrome_mp
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000010
Crash State:
  GetFlag
  IsTextNode
  blink::PositionTemplate<blink::EditingAlgorithm<blink::NodeTraversal> >::LastPos
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_lsan_chrome_mp&range=467961:467973
Fixed: https://clusterfuzz.com/revisions?job=linux_lsan_chrome_mp&range=567529:567530

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6681578215047168

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 6 by ClusterFuzz, Jun 16 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Available)
ClusterFuzz testcase 6681578215047168 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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