CodeSonar : Irssi : Null Pointer Dereference

Irssi : Irssi analysis 1 : Null Pointer Dereference at nicklist.c:81

Categories:	LANG.MEM.NPD CWE:476
Warning ID:	2301.2310
Procedure:	nicklist_insert
Trace:	View
Modified:	Wed Sep 2 11:58:26 2009 show details hide details

Priority:	None
State:	None
Finding:	None
Owner:	None
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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

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Problem	Line	Source

			/u1/paul/SATE/2010/c/irssi/irssi-0.8.14/src/perl/common/Channel.c

			Enter XS_Irssi__Channel_nick_insert

203

XS (XS_Irssi__Channel_nick_insert)

{

#ifdef dVAR

dVAR; dXSARGS;

#else

dXSARGS;

#endif

if (items != 2)

Perl_croak(aTHX_ "Usage: %s(%s)", "Irssi::Channel::nick_insert", "channel, nick");

212

PERL_UNUSED_VAR(cv); /* -W */

213

{

214

Irssi__Channel channel = irssi_ref_object(ST(0));

true

215

Irssi__Nick nick = irssi_ref_object(ST(1));

	216		#line 78 "Channel.xs"

nick <= 4095

217

nicklist_insert(channel, nick );

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

					Enter XS_Irssi__Channel_nick_insert / nicklist_insert

$param_2 <= 4095

void nicklist_insert(CHANNEL_REC *channel, NICK_REC *nick)

{

/*MODULE_DATA_INIT(nick);*/

nick <= 4095

nick->type = module_get_uniq_id("NICK", 0); /* Null Pointer Dereference */

					Exit XS_Irssi__Channel_nick_insert / nicklist_insert

Preconditions

&$unknown_1252684 = 0

Postconditions

$unknown_1252664' = $unknown_1252664 - 4
channel' = channel'
cv' = $param_2
items' != 2
my_perl' = $param_1
nick' = 0
nick' = 0

Change Warning 2301.2310 : Null Pointer Dereference

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