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Irssi : Irssi analysis 1 : Null Pointer Dereference  at windows-layout.c:174

Categories: LANG.MEM.NPD CWE:476
Warning ID: 2274.2280
Procedure: sig_layout_save_item
Trace: View
Modified: Wed Sep 2 11:55:44 2009   show details
 
Priority: None
State: None
Finding: None
Owner: None
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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/fe-common/core/windows-layout.c
   Enter sig_layout_save_item
 149 static void sig_layout_save_item(WINDOW_REC *window, WI_ITEM_REC *item,
 150                                  CONFIG_NODE *node) 
 151 {
 152         CONFIG_NODE *subnode;
 153         CHAT_PROTOCOL_REC *proto;
 154         const char *type;
 155  
 156         type = module_find_id_str("WINDOW ITEM TYPE", item->type);
 157         if (type == NULL)
 158                 return;
 159  
 160         subnode = config_node_section(node, NULL, NODE_TYPE_BLOCK);
 161  
 162         iconfig_node_set_str(subnode, "type", type);
 163         proto = item->chat_type == 0 ? NULL : 
 164                 chat_protocol_find_id(item->chat_type);
 165         if (proto != NULL)
 166                 iconfig_node_set_str(subnode, "chat_type", proto->name);
 167         iconfig_node_set_str(subnode, "name", item->visible_name);
 168  
 169         if (item->server != NULL) {
 170                 iconfig_node_set_str(subnode, "tag", item->server->tag);
 171                 if (IS_CHANNEL(item))
 172                     window_bind_add(window, item->server->tag, item->visible_name);
 173         } else if (IS_QUERY(item)) {
true174                 iconfig_node_set_str(subnode, "tag", QUERY(item)->server_tag);     /* Null Pointer Dereference */
Preconditions 
&$unknown_994837 != 0
((char*)$param_2)[24] = 0
((char*)$param_2)[4] = *chat_protocols->data
((char*)$param_2)[4] >= 1
*$param_3 <= 3
*$param_3 >= 2
*chat_protocols->data >= 1
Postconditions 
item' = $param_2
node' = $param_3
proto' = chat_protocols->data
subnode' = &$unknown_994839
type' = &$unknown_994837
window' = $param_1



Change Warning 2274.2280 : Null Pointer Dereference

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