[jira] [Updated] (GUACAMOLE-411) guacd_send_fd call's sendmsg with uninitialized buffer

["Michael Jumper (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/GUACAMOLE-411?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael Jumper updated GUACAMOLE-411:
-------------------------------------
    Component/s:     (was: guacamole-server)

> guacd_send_fd call's sendmsg with uninitialized buffer
> ------------------------------------------------------
>
>                 Key: GUACAMOLE-411
>                 URL: https://issues.apache.org/jira/browse/GUACAMOLE-411
>             Project: Guacamole
>          Issue Type: Bug
>          Components: guacd
>    Affects Versions: 0.9.13-incubating
>            Reporter: Jukka-Pekka Virtanen
>            Priority: Minor
>             Fix For: 0.9.14-incubating
>
>
> When launching an RDP session through guacd, valgrind complains of using uninitialized values in {{guacd_send_fd}}.
> {code}
> ==8081== Thread 2:
> ==8081== Syscall param sendmsg(msg.msg_control) points to uninitialised byte(s)
> ==8081==    at 0x505EA6D: ??? (syscall-template.S:84)
> ==8081==    by 0x403F5C: guacd_send_fd (move-fd.c:61)
> ==8081==    by 0x40390A: guacd_add_user (connection.c:196)
> ==8081==    by 0x40390A: guacd_route_connection (connection.c:311)
> ==8081==    by 0x40390A: guacd_connection_thread (connection.c:393)
> ==8081==    by 0x50556B9: start_thread (pthread_create.c:333)
> ==8081==    by 0x5A1F3DC: clone (clone.S:109)
> ==8081==  Address 0xa558d54 is on thread 2's stack
> ==8081==  in frame #1, created by guacd_send_fd (move-fd.c:34)
> ==8081==  Uninitialised value was created by a stack allocation
> ==8081==    at 0x403ED0: guacd_send_fd (move-fd.c:34)
> ==8081== 
> {code}



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