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Issue 739508 link

Starred by 4 users

Issue metadata

Status: Verified
Owner: ----
Closed: Jul 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 3
Type: Bug



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Indent command crashes on mixed-editability with SVG

Project Member Reported by ClusterFuzz, Jul 5 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4683958402154496

Fuzzer: ifratric-browserfuzzer-v3
Job Type: windows_syzyasan_chrome
Platform Id: windows

Crash Type: Null-dereference
Crash Address: 0x0000000b
Crash State:
  blink::PositionTemplate<blink::EditingAlgorithm<blink::NodeTraversal> >::LastPos
  blink::ApplyBlockElementCommand::RangeForParagraphSplittingTextNodesIfNeeded
  blink::ApplyBlockElementCommand::FormatSelection
  
Memory Tool: SYZYASAN

Regressed: https://clusterfuzz.com/revisions?job=windows_syzyasan_chrome&range=367319:367361

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4683958402154496


Issue filed automatically.

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 

Comment 1 by tkent@chromium.org, Jul 5 2017

Components: Blink>Editing

Comment 2 by yosin@chromium.org, Jul 6 2017

Labels: -Pri-1 Pri-2
Status: Available (was: Untriaged)
Summary: Indent command crashes on mixed-editability with SVG (was: Null-dereference in blink::PositionTemplate<blink::EditingAlgorithm<blink::NodeTraversal> >::LastPos)
Lower to Pri-3 because real world usage of "indent" command is low with unusual HTML

Comment 3 by yosin@chromium.org, Jul 6 2017

Labels: -Pri-2 Pri-3
Project Member

Comment 4 by ClusterFuzz, Jul 23 2017

ClusterFuzz has detected this issue as fixed in range 488838:488849.

Detailed report: https://clusterfuzz.com/testcase?key=4683958402154496

Fuzzer: ifratric-browserfuzzer-v3
Job Type: windows_syzyasan_chrome
Platform Id: windows

Crash Type: Null-dereference
Crash Address: 0x0000000b
Crash State:
  blink::PositionTemplate<blink::EditingAlgorithm<blink::NodeTraversal> >::LastPos
  blink::ApplyBlockElementCommand::RangeForParagraphSplittingTextNodesIfNeeded
  blink::ApplyBlockElementCommand::FormatSelection
  
Memory Tool: SYZYASAN

Regressed: https://clusterfuzz.com/revisions?job=windows_syzyasan_chrome&range=367319:367361
Fixed: https://clusterfuzz.com/revisions?job=windows_syzyasan_chrome&range=488838:488849

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4683958402154496


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 5 by ClusterFuzz, Jul 23 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Available)
ClusterFuzz testcase 4683958402154496 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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