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

["Jukka-Pekka Virtanen (JIRA)" <ji...@apache.org>]

Jukka-Pekka Virtanen created GUACAMOLE-411:
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             Summary: 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: guacamole-server, guacd
    Affects Versions: 0.9.13-incubating
            Reporter: Jukka-Pekka Virtanen
            Priority: Minor


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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