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Irssi : Irssi analysis 1 : Null Pointer Dereference  at perl-signals.c:66

Categories: LANG.MEM.NPD CWE:476
Warning ID: 2296.2305
Procedure: perl_signal_args_find
Trace: View
Modified: Wed Sep 2 11:57:40 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
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/perl/perl-signals.c
   Enter perl_signal_args_find
 51 static PERL_SIGNAL_ARGS_REC *perl_signal_args_find(int signal_id) 
 52 {
 53         PERL_SIGNAL_ARGS_REC *rec;
 54         GSList *tmp;
 55         const char *signame;
 56  
 57         rec = g_hash_table_lookup(perl_signal_args_hash,
 58                                   GINT_TO_POINTER(signal_id));
 59         if (rec != NULL) return rec;
 60  
 61         /* try to find by name */ 
true62         signame = signal_get_id_str(signal_id);
 63         for (tmp = perl_signal_args_partial; tmp != NULL; tmp = tmp->next) {
 64                 rec = tmp->data;
 65  
signame <= 409566                 if (strncmp(rec->signal, signame, strlen(rec->signal)) == 0)     /* Null Pointer Dereference */
Preconditions 
&$unknown_1189121 = strlen(*perl_signal_args_partial->data)
&$unknown_1189121 >= 1
**perl_signal_args_partial->data != 0
strlen(*perl_signal_args_partial->data) >= 1
Postconditions 
rec' = perl_signal_args_partial->data
signal_id' = $param_1
signame' = 0
tmp' = perl_signal_args_partial



Change Warning 2296.2305 : Null Pointer Dereference

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