Text  |   XML   |   Visible Warnings:

irssi-0.8.14 : irssi-0.8.14 analysis 2 : Null Pointer Dereference  at log.c:323

Categories: LANG.MEM.NPD CWE:476
Warning ID: 7315.28407
Procedure: log_find
Trace: view
Modified: Thu Nov 26 11:09:28 2009   show details
 
Priority: None
State: None
Finding: None
Owner: None
  edit properties

Legend [ X ]
Warning Location
Contributes
Parse Error
Other Warning
Two or More Loop Iterations
On Execution Path
Comment
Macro
Preprocessor
Include
Keyword
Preprocessed Away
Legend
Warning Location Contributes Parse Error
Other Warning Two or More Loop Iterations On Execution Path
Comment Macro Preprocessor
Include Keyword Preprocessed Away

Source  |  Language: C Hide Legend     
ProblemLineSource
   /kat0/fletcher/SATE/2010/irssi-0.8.14/src/fe-common/core/fe-log.c
   Enter autolog_open
 418 static void autolog_open(SERVER_REC *server, const char *server_tag,
 419                          const char *target) 
 420 {
 421         LOG_REC *log;
 422         char *fname, *dir, *fixed_target, *params;
 423  
 424         log = logs_find_item(LOG_ITEM_TARGET, target, server_tag, NULL);
 425         if (log != NULL && !log->failed) {
 426                 log_start_logging(log);
 427                 return;
 428         }
 429  
 430         /* '/' -> '_' - don't even accidentally try to log to 
 431            #../../../file if you happen to join to such channel..
 432  
 433            '%' -> '%%' - so strftime() won't mess with them */ 
 434         fixed_target = escape_target(target);
 435         if (CHAT_PROTOCOL(server)->case_insensitive)   /* Null Pointer Dereference (ID: 7316.28408) */
 436                 g_strdown(fixed_target);
 437  
 438         /* $0 = target, $1 = server tag */ 
 439         params = g_strconcat(fixed_target, " ", server_tag, NULL);
 440         g_free(fixed_target);
 441  
 442         fname = parse_special_string(autolog_path, server, NULL,
true443                                      params, NULL, 0);
 444         g_free(params);
 445  
fname <= 4095446         if (log_find(fname) == NULL) {
     /kat0/fletcher/SATE/2010/irssi-0.8.14/src/core/log.c
     Enter autolog_open / log_find
 316   LOG_REC *log_find(const char *fname) 
 317   {
 318           GSList *tmp;
 319    
 320           for (tmp = logs; tmp != NULL; tmp = tmp->next) {
 321                   LOG_REC *rec = tmp->data;
 322    
fname <= 4095323                   if (strcmp(rec->fname, fname) == 0)     /* Null Pointer Dereference */
     Exit autolog_open / log_find
Preconditions 
fname[4] >= 1
((char*)$param_3)[1] = 0
((char*)chat_protocols->data)[4] != 0
((char*)logs->data)[32] != 0
strlen($param_3) = 1
*((char*)*logs->data)[20] = 0
*chat_protocols->data = fname[4]
*chat_protocols->data >= 1
autolog_path = 0
Postconditions 
strlen(&$unknown_502436)' = 2
((char*)&$unknown_502436)[2]' = 0
((char*)&$unknown_502436)[1]' = 37
fixed_target' = &$unknown_502436
fname' = 0
fname' = 0
log' = logs->data
params' = &$unknown_502437
rec' = logs->data
tmp' = logs



Change Warning 7315.28407 : Null Pointer Dereference

Priority:
State:
Finding:
Owner:
Note: