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Irssi : Irssi analysis 1 : Null Pointer Dereference  at servers-reconnect.c:41

Categories: LANG.MEM.NPD CWE:476
Warning ID: 2147.2150
Procedure: reconnect_save_status
Trace: View
Modified: Wed Sep 2 11:51:33 2009   show details
 
Priority: None
State: None
Finding: None
Owner: None
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Warning Location
Contributes
Parse Error
Other Warning
Two or More Loop Iterations
On Execution Path
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Warning Location Contributes Parse Error
Other Warning Two or More Loop Iterations On Execution Path
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Source  |  Language: C Hide Legend     
ProblemLineSource
   /u1/paul/SATE/2010/c/irssi/irssi-0.8.14/src/core/servers-reconnect.c
   Enter cmd_reconnect
 372 static void cmd_reconnect(const char *data, SERVER_REC *server) 
 373 {
 374         SERVER_CONNECT_REC *conn;
 375         RECONNECT_REC *rec;
 376         char *tag, *msg;
 377         void *free_arg;
 378         int tagnum;
 379  
 380         if (!cmd_get_params(data, &free_arg, 2 | PARAM_FLAG_GETREST, &tag, &msg))
 381                 return;
 382  
 383         if (*tag != '\0' && strcmp(tag, "*") != 0)
 384                 server = server_find_tag(tag);
 385  
 386         if (server != NULL) {
 387                 /* reconnect connected server */ 
true388                 conn = server_connect_copy_skeleton(server->connrec, TRUE);
 389  
 390                 if (server->connected)
conn <= 4095391                         reconnect_save_status(conn, server);
     Enter cmd_reconnect / reconnect_save_status
$param_1 <= 409539   void reconnect_save_status(SERVER_CONNECT_REC *conn, SERVER_REC *server) 
 40   {
conn <= 409541           g_free_not_null(conn->tag);     /* Null Pointer Dereference */
     Exit cmd_reconnect / reconnect_save_status
Preconditions 
$param_1 != 0
((char*)((char*)$unknown_195656)[8])[56] != 0
$unknown_195654 != 0
strlen(&$unknown_195654) != 0
Postconditions 
conn' = 0
conn' = 0
data' = $param_1
server' = ((char*)$unknown_195656)[8]
server' = ((char*)$unknown_195656)[8]
tag' = &$unknown_195654



Change Warning 2147.2150 : Null Pointer Dereference

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