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Irssi : Irssi analysis 1 : Null Pointer Dereference  at servers-reconnect.c:398

Categories: LANG.MEM.NPD CWE:476
Warning ID: 2146.2149
Procedure: cmd_reconnect
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
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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)
 391                         reconnect_save_status(conn, server);
 392  
 393                 msg = g_strconcat("* ", *msg == '\0' ? 
 394                                   "Reconnecting" : msg, NULL);
 395                 signal_emit("command disconnect", 2, msg, server);
 396                 g_free(msg);
 397  
conn <= 4095398                 conn->reconnection = TRUE;     /* Null Pointer Dereference */
Preconditions 
$param_1 != 0
((char*)((char*)$unknown_195230)[8])[56] = 0
$unknown_195228 != 0
strlen(&$unknown_195228) != 0
Postconditions 
conn' = 0
data' = $param_1
msg' = &$unknown_195234
next_uniq_id' = next_uniq_id + 1
server' = ((char*)$unknown_195230)[8]
tag' = &$unknown_195228



Change Warning 2146.2149 : Null Pointer Dereference

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