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Issue metadata

Status: Duplicate
Merged: issue 829073
Owner:
Closed: Apr 2018
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference READ in blink::InlineBox::Root

Project Member Reported by ClusterFuzz, Apr 5 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5672241615077376

Fuzzer: bj_broddelwerk
Job Type: linux_lsan_chrome_mp
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000020
Crash State:
  blink::InlineBox::Root
  NextLinePositionOf<blink::EditingAlgorithm<blink::NodeTraversal>
  LocalCaretRectOfPositionTemplate<blink::EditingAlgorithm<blink::NodeTraversal>
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_lsan_chrome_mp&range=547638:547640

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5672241615077376

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Apr 5 2018

Components: Blink>Layout
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, Apr 5 2018

Labels: Test-Predator-Auto-Owner
Owner: yoichio@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/0cca13625be692fc10b4bdad3369a4eae7388eaf (Modify LocalCaretRectOfPositionTemplate for line break.).

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: 829073
Status: Duplicate (was: Assigned)
Project Member

Comment 4 by ClusterFuzz, Apr 15 2018

ClusterFuzz has detected this issue as fixed in range 550562:550564.

Detailed report: https://clusterfuzz.com/testcase?key=5672241615077376

Fuzzer: bj_broddelwerk
Job Type: linux_lsan_chrome_mp
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000020
Crash State:
  blink::InlineBox::Root
  NextLinePositionOf<blink::EditingAlgorithm<blink::NodeTraversal>
  LocalCaretRectOfPositionTemplate<blink::EditingAlgorithm<blink::NodeTraversal>
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_lsan_chrome_mp&range=547638:547640
Fixed: https://clusterfuzz.com/revisions?job=linux_lsan_chrome_mp&range=550562:550564

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5672241615077376

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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