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Issue metadata

Status: Duplicate
Merged: issue 803026
Owner:
Closed: Jan 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Mac
Pri: 1
Type: Bug



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Null-dereference READ in v8::Local<v8::Value> blink::ToV8SequenceInternal<blink::HeapVector<blink::Member

Project Member Reported by ClusterFuzz, Jan 17 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6543220908752896

Fuzzer: mbarbella_js_mutation_layout
Job Type: linux_asan_chrome_mp
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x00000000000c
Crash State:
  v8::Local<v8::Value> blink::ToV8SequenceInternal<blink::HeapVector<blink::Member
  blink::CSSPaintDefinition::Paint
  blink::PaintWorklet::Paint
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_mp&range=529576:529585

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6543220908752896

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Jan 17 2018

Labels: OS-Mac
Project Member

Comment 2 by ClusterFuzz, Jan 17 2018

Components: Blink>CSS
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.

Comment 3 by shend@chromium.org, Jan 17 2018

Components: -Blink>CSS Blink>Paint
Owner: xidac...@chromium.org
Status: Assigned (was: Untriaged)
Seems related to paint worklets. Assigning to xidachen who might know more about this.
Mergedinto: 803026
Status: Duplicate (was: Assigned)
Project Member

Comment 5 by ClusterFuzz, Jan 24 2018

ClusterFuzz has detected this issue as fixed in range 531261:531262.

Detailed report: https://clusterfuzz.com/testcase?key=6543220908752896

Fuzzer: mbarbella_js_mutation_layout
Job Type: linux_asan_chrome_mp
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x00000000000c
Crash State:
  v8::Local<v8::Value> blink::ToV8SequenceInternal<blink::HeapVector<blink::Member
  blink::CSSPaintDefinition::Paint
  blink::PaintWorklet::Paint
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_mp&range=529576:529585
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_mp&range=531261:531262

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6543220908752896

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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