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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::PaintLayer::AddChild

Project Member Reported by ClusterFuzz, Jan 4 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6108034018574336

Fuzzer: mbarbella_webcomponents
Job Type: linux_asan_content_shell_drt
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x00000000000c
Crash State:
  blink::PaintLayer::AddChild
  blink::AddLayers
  blink::LayoutObject::InsertedIntoTree
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_content_shell_drt&range=526968:526970

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6108034018574336

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Jan 4 2018

Components: Blink>Layout Blink>Paint
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 4 2018

Labels: Test-Predator-Auto-Owner
Owner: futhark@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/4766c5012f46eed5afec44dcbc10e7365eadbc1b (Merge anonymous table boxes when appropriate.).

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

Comment 3 by ClusterFuzz, Jan 5 2018

ClusterFuzz has detected this issue as fixed in range 527017:527025.

Detailed report: https://clusterfuzz.com/testcase?key=6108034018574336

Fuzzer: mbarbella_webcomponents
Job Type: linux_asan_content_shell_drt
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x00000000000c
Crash State:
  blink::PaintLayer::AddChild
  blink::AddLayers
  blink::LayoutObject::InsertedIntoTree
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_content_shell_drt&range=526968:526970
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_content_shell_drt&range=527017:527025

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6108034018574336

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 5 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 6108034018574336 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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