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Issue metadata

Status: Duplicate
Merged: issue 630372
Owner:
Closed: Aug 2016
Components:
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 1
Type: Bug-Security



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Crash in base::MessagePumpForIO::GetIOItem

Project Member Reported by ClusterFuzz, Aug 24 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4947553529626624

Fuzzer: bj_broddelwerk
Job Type: windows_syzyasan_chrome
Platform Id: windows

Crash Type: UNKNOWN
Crash Address: 0x2406f9bf
Crash State:
  base::MessagePumpForIO::GetIOItem
  base::MessagePumpForIO::WaitForWork
  base::MessagePumpForIO::DoRunLoop
  
Recommended Security Severity: Medium

Regressed: https://cluster-fuzz.appspot.com/revisions?job=windows_syzyasan_chrome&range=413173:413208

Unminimized Testcase: https://cluster-fuzz.appspot.com/download/AMIfv97ZgHv2MLV1CuurkfVkD6aHo4_Z9QWmehXj6H_9Rmr6ZeGXbRXGWcgija5Z8xZkxjVCod41rH0gshiyTAVpAuVFQlNd7aoaEhz52BNWCQ4MB8SzxaUK5jMAutIHAbhLZa6pGp7HojY_3_vl71HPaMWNqX-guEjYzzH0Obned2KDbe68a-w?testcase_id=4947553529626624


Issue manually filed by: mmoroz

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 

Comment 1 by mmoroz@chromium.org, Aug 24 2016

Labels: Pri-1
Owner: fdoray@chromium.org
fdoray@, could you please help to triage this? 
Project Member

Comment 2 by sheriffbot@chromium.org, Aug 24 2016

Labels: M-54
Project Member

Comment 3 by sheriffbot@chromium.org, Aug 24 2016

Labels: ReleaseBlock-Beta
This issue is a security regression. If you are not able to fix this quickly, please revert the change that introduced it.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
Project Member

Comment 4 by sheriffbot@chromium.org, Aug 24 2016

Status: Assigned (was: Untriaged)
Components: Internals>Core
Looks like coming from https://bugs.chromium.org/p/chromium/issues/detail?id=553459

Comment 6 by fdoray@chromium.org, Aug 25 2016

Mergedinto: 630372
Status: Duplicate (was: Assigned)
sebmarchand@ explained to me that this triggers a bug in SyzyASAN itself and is not likely to be a real bug in Chrome.
Project Member

Comment 7 by sheriffbot@chromium.org, Jan 18 2017

Labels: -Restrict-View-SecurityTeam allpublic
This bug has been closed for more than 14 weeks. Removing security view restrictions.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

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