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Posted to issues@trafficserver.apache.org by "John Plevyak (Updated) (JIRA)" <ji...@apache.org> on 2012/03/20 18:17:39 UTC

[jira] [Updated] (TS-1158) Race on mutex switching for NetVConnections in UnixNetVConnection::mainEvent

     [ https://issues.apache.org/jira/browse/TS-1158?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

John Plevyak updated TS-1158:
-----------------------------

    Attachment: ts-1158-jp1.patch
    
> Race on mutex switching for NetVConnections in UnixNetVConnection::mainEvent
> ----------------------------------------------------------------------------
>
>                 Key: TS-1158
>                 URL: https://issues.apache.org/jira/browse/TS-1158
>             Project: Traffic Server
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 3.0.3
>         Environment: ALL
>            Reporter: John Plevyak
>            Assignee: John Plevyak
>             Fix For: 3.1.4
>
>         Attachments: ts-1158-jp1.patch
>
>
> Because of the way session management works, the vio.mutex must be re-verified to be identical to the one the lock was taken on after the lock is acquired.  Otherwise there is a race when the mutex is switched allowing such that the old lock is held while the new lock is in not held.

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