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Issue metadata

Status: Verified
Owner:
Closed: Apr 2017
Components:
EstimatedDays: ----
NextAction: ----
OS: Mac
Pri: 1
Type: Bug



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Crash in blink::WorkerThread::GetIsolate

Project Member Reported by ClusterFuzz, Apr 26 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6027475965706240

Fuzzer: inferno_twister
Job Type: mac_asan_content_shell
Platform Id: mac

Crash Type: UNKNOWN READ
Crash Address: 0x000000000000
Crash State:
  blink::WorkerThread::GetIsolate
  blink::WorkerGlobalScope::ExceptionUnhandled
  blink::InProcessWorkerObjectProxy::ProcessUnhandledException
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=mac_asan_content_shell&range=465961:465971

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6027475965706240


Issue filed automatically.

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Components: Blink>Workers
Labels: M-60 Test-Predator-Correct-CLs
Owner: nhiroki@chromium.org
Status: Assigned (was: Untriaged)
The result is a list of CLs that change the crashed files. 

Author: nhiroki
Project: chromium
Changelist: https://chromium.googlesource.com/chromium/src/+/7800a474d39eacc36c6c247f6a956e15f5d2489a
Time: Thu Apr 20 10:06:51 2017
Lines 209 of file WorkerThread.cpp which potentially caused crash are changed in this cl (frame #0, "blink::WorkerThread::GetIsolate").
NextAction: 2017-04-28
Started a minimize task...
Project Member

Comment 3 by ClusterFuzz, Apr 29 2017

ClusterFuzz has detected this issue as fixed in range 467999:468017.

Detailed report: https://clusterfuzz.com/testcase?key=6027475965706240

Fuzzer: inferno_twister
Job Type: mac_asan_content_shell
Platform Id: mac

Crash Type: UNKNOWN READ
Crash Address: 0x000000000000
Crash State:
  blink::WorkerThread::GetIsolate
  blink::WorkerGlobalScope::ExceptionUnhandled
  blink::InProcessWorkerObjectProxy::ProcessUnhandledException
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=mac_asan_content_shell&range=465961:465971
Fixed: https://clusterfuzz.com/revisions?job=mac_asan_content_shell&range=467999:468017

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6027475965706240


See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs 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, Apr 29 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 6027475965706240 is verified as fixed, so closing issue.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.

Comment 6 by falken@chromium.org, Apr 30 2017

NextAction: ----

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