CodeSonar : Irssi : Null Pointer Dereference

Categories:	LANG.MEM.NPD CWE:476
Warning ID:	2165.2169
Procedure:	cmd_ctcp
Trace:	View
Modified:	Wed Sep 2 11:51:41 2009 show details hide details

Legend	[ X ]
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

Problem	Line	Source

			/u1/paul/SATE/2010/c/irssi/irssi-0.8.14/src/irc/core/irc-commands.c

			Enter cmd_ctcp

static void cmd_ctcp(const char *data, IRC_SERVER_REC *server,

WI_ITEM_REC *item)

{

const char *target;

char *ctcpcmd, *ctcpdata;

void *free_arg;

&target, &ctcpcmd, &ctcpdata ))

return;

if (strcmp(target, "*") == 0)

target = item == NULL ? NULL : window_item_get_target(item);

if (*target == '\0' || *ctcpcmd == '\0') /* Null Pointer Dereference */

Preconditions

$param_1 != 0
$param_3 = 0
((char*)$param_2)[56] != 0
strlen(&$unknown_373853) = 1

Postconditions

data' = $param_1
item' = $param_3
server' = $param_2
target' = 0