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Issue metadata

Status: Duplicate
Merged: issue 787764
Owner:
Closed: Nov 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference READ in blink::InlineBoxPosition blink::ComputeInlineBoxPositionTemplate<blink::EditingA

Project Member Reported by ClusterFuzz, Nov 23 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6017800060796928

Fuzzer: bj_broddelwerk
Job Type: linux_asan_chrome_v8_arm
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x00000000
Crash State:
  blink::InlineBoxPosition blink::ComputeInlineBoxPositionTemplate<blink::EditingA
  blink::ComputeInlineBoxPosition
  blink::RenderedPosition::RenderedPosition
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_v8_arm&range=518061:518147

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6017800060796928

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Nov 23 2017

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, Nov 23 2017

Labels: Test-Predator-Auto-Owner
Owner: xiaoche...@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/12aa0c6679bd58808cd87106e2bd41cba9912858 (Final preparation for adding DCHECK(CanUseInlineBox) in ComputeInlineBoxPosition()).

If this is incorrect, please remove the owner and apply the Test-Predator-Wrong-CLs label.
Mergedinto: 787764
Status: Duplicate (was: Assigned)
Project Member

Comment 4 by ClusterFuzz, Nov 23 2017

ClusterFuzz has detected this issue as fixed in range 518738:518772.

Detailed report: https://clusterfuzz.com/testcase?key=6017800060796928

Fuzzer: bj_broddelwerk
Job Type: linux_asan_chrome_v8_arm
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x00000000
Crash State:
  blink::InlineBoxPosition blink::ComputeInlineBoxPositionTemplate<blink::EditingA
  blink::ComputeInlineBoxPosition
  blink::RenderedPosition::RenderedPosition
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_v8_arm&range=518061:518147
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_v8_arm&range=518738:518772

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6017800060796928

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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