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Issue metadata

Status: Verified
Owner: ----
Closed: Sep 2017
EstimatedDays: ----
NextAction: ----
OS: Android , Windows
Pri: 1
Type: Bug



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Null-dereference READ in blink::TaskRunnerHelper::Get

Project Member Reported by ClusterFuzz, Sep 9 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4643244322586624

Fuzzer: lcamtuf_cross_fuzz
Job Type: windows_asan_chrome
Platform Id: windows

Crash Type: Null-dereference READ
Crash Address: 0x00000000
Crash State:
  blink::TaskRunnerHelper::Get
  blink::TimedCanvasDrawListener::TimedCanvasDrawListener
  blink::TimedCanvasDrawListener::Create
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=windows_asan_chrome&range=500415:500470

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4643244322586624

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Sep 11 2017

ClusterFuzz has detected this issue as fixed in range 500820:500829.

Detailed report: https://clusterfuzz.com/testcase?key=4643244322586624

Fuzzer: lcamtuf_cross_fuzz
Job Type: windows_asan_chrome
Platform Id: windows

Crash Type: Null-dereference READ
Crash Address: 0x00000000
Crash State:
  blink::TaskRunnerHelper::Get
  blink::TimedCanvasDrawListener::TimedCanvasDrawListener
  blink::TimedCanvasDrawListener::Create
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=windows_asan_chrome&range=500415:500470
Fixed: https://clusterfuzz.com/revisions?job=windows_asan_chrome&range=500820:500829

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4643244322586624

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 2 by ClusterFuzz, Sep 11 2017

Labels: OS-Android
Project Member

Comment 3 by ClusterFuzz, Sep 11 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 4643244322586624 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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