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https://issues.apache.org/jira/browse/GUACAMOLE-1416?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mike Jumper closed GUACAMOLE-1416.
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Resolution: Fixed
> An improper locking bug (e.g., resource leak) due to unreleased lock
> --------------------------------------------------------------------
>
> Key: GUACAMOLE-1416
> URL: https://issues.apache.org/jira/browse/GUACAMOLE-1416
> Project: Guacamole
> Issue Type: Bug
> Components: guacamole, guacamole-server
> Affects Versions: 1.3.0
> Reporter: Ryan Cai
> Priority: Minor
> Fix For: 1.5.0
>
>
> In the below codes, the lock
> +pthread_mutex_lock(&(ssh_client->term_channel_lock))+ , the resource, can
> not be correctly released if
> +libssh2_keepalive_send(ssh_client->session->session, &timeout) >+ +0+.
>
> Locations:
> https://github.com/apache/guacamole-server/blob/b2ae2fdf003a6854ac42877ce0fce8e88ceb038a/src/protocols/ssh/ssh.c#L424-L453
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