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Irssi : Irssi analysis 1 : Null Pointer Dereference  at servers.c:114

Categories: LANG.MEM.NPD CWE:476
Warning ID: 2136.2138
Similar Warnings: 2136.2139
Procedure: server_create_tag
Trace: View
Modified: Wed Sep 2 11:51:28 2009   show details
 
Priority: None
State: None
Finding: None
Owner: None
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Warning Location
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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.c
   Enter server_create_tag
 100 static char *server_create_tag(SERVER_CONNECT_REC *conn) 
 101 {
 102         GString *str;
 103         char *tag;
 104         int num;
 105  
 106         g_return_val_if_fail(IS_SERVER_CONNECT(conn), NULL);
 107  
true108         tag = conn->chatnet != NULL && *conn->chatnet != '\0' ? 
$temp52 <= 4095109                 g_strdup(conn->chatnet) : 
true110                 server_create_address_tag(conn->address);
 111  
 112         if (conn->tag != NULL && server_find_tag(conn->tag) == NULL &&
 113             server_find_lookup_tag(conn->tag) == NULL &&
tag <= 4095114             strncmp(conn->tag, tag, strlen(tag)) == 0) {     /* Null Pointer Dereference */
Preconditions 
&$unknown_187388 >= 1
&$unknown_187389 != 0
((char*)$param_1)[72] = 0
((char*)*$param_1)[64] != 0
strlen(((char*)$param_1)[64]) != 0
((char*)*$param_1)[88] = 0
strlen(((char*)$param_1)[88]) = 0
Postconditions 
_g_boolean_var_' = 1
conn' = $param_1
tag' = 0



Change Warning 2136.2138 : Null Pointer Dereference

Because they are very similar, this warning shares annotations with warning 2136.2139.

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