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Irssi : Irssi analysis 1 : Null Pointer Dereference  at dcc-resume.c:149

Categories: LANG.MEM.NPD CWE:476
Warning ID: 2205.2210
Similar Warnings: 2205.2211
Procedure: ctcp_msg_dcc_resume
Trace: View
Modified: Wed Sep 2 11:52:31 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/irc/dcc/dcc-resume.c
   Enter ctcp_msg_dcc_resume
 130 static void ctcp_msg_dcc_resume(IRC_SERVER_REC *server, const char *data,
 131                                 const char *nick, const char *addr,
 132                                 const char *target, DCC_REC *chat) 
 133 {
 134         FILE_DCC_REC *dcc;
 135         char *str;
 136         uoff_t size;
 137         int pasv_id = -1;
 138  
 139         if (!dcc_ctcp_resume_parse(DCC_SEND_TYPE, data, nick, &dcc, &size, &pasv_id)) {
 140                 signal_emit("dcc error ctcp", 5, "RESUME", data,
 141                             nick, addr, target);
 142         } else if (dcc != NULL && dcc_resume_file_check(dcc, server, size)) {
 143                 if (!dcc_is_passive(dcc)) {
 144                         str = g_strdup_printf(DCC_SEND(dcc)->file_quoted ?   /* Null Pointer Dereference (ID: 2205.2211) */
 145                                               "DCC ACCEPT \"%s\" %d %"PRIuUOFF_T : 
 146                                               "DCC ACCEPT %s %d %"PRIuUOFF_T,
 147                                               dcc->arg, dcc->port, dcc->transfd);
 148                 } else {
 149                         str = g_strdup_printf(DCC_SEND(dcc)->file_quoted ?     /* Null Pointer Dereference */
 150                                               "DCC ACCEPT \"%s\" 0 %"PRIuUOFF_T" %d" : 
 151                                               "DCC ACCEPT %s 0 %"PRIuUOFF_T" %d",
true152                                               dcc->arg, dcc->transfd, dcc->pasv_id);
Preconditions 
&$unknown_554888 != 0
((char*)&$unknown_554889)[184] >= 0
dcc_conns >= 0
Postconditions 
addr' = $param_4
((char*)&$unknown_554889)[176]' <= ((char*)&$unknown_554889)[200] - 1
((char*)&$unknown_554889)[208]' = ((char*)&$unknown_554889)[176]'
chat' = $param_6
data' = $param_2
dcc' = &$unknown_554889
nick' = $param_3
server' = $param_1
size' = ((char*)&$unknown_554889)[176]'
target' = $param_5



Change Warning 2205.2210 : Null Pointer Dereference

Because they are very similar, this warning shares annotations with warning 2205.2211.

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