CodeSonar : irssi-0.8.14 : Null Pointer Dereference

irssi-0.8.14 : irssi-0.8.14 analysis 2 : Null Pointer Dereference at notifylist.c:92

Categories:	LANG.MEM.NPD CWE:476
Warning ID:	7382.28480
Procedure:	notifylist_ircnets_match
Trace:	view
Modified:	Thu Nov 26 11:15:52 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

			/kat0/fletcher/SATE/2010/irssi-0.8.14/src/perl/irc/Notifylist.c

			Enter XS_Irssi__Irc__Notifylist_ircnets_match

171

XS (XS_Irssi__Irc__Notifylist_ircnets_match)

{

#ifdef dVAR

dVAR; dXSARGS;

#else

dXSARGS;

#endif

if (items != 2)

Perl_croak(aTHX_ "Usage: %s(%s)", "Irssi::Irc::Notifylist::ircnets_match", "rec, ircnet");

180

PERL_UNUSED_VAR(cv); /* -W */

181

{

true

182

Irssi__Irc__Notifylist rec = irssi_ref_object(ST(0));

183

char * ircnet = (char *)SvPV_nolen(ST(1));

int RETVAL;

dXSTARG;

RETVAL = notifylist_ircnets_match(rec, ircnet );

					/kat0/fletcher/SATE/2010/irssi-0.8.14/src/irc/notifylist/notifylist.c

					Enter XS_Irssi__Irc__Notifylist_ircnets_match / notifylist_ircnets_match

int notifylist_ircnets_match(NOTIFYLIST_REC *rec, const char *ircnet)

{

char **tmp;

rec <= 4095

if (rec->ircnets == NULL) return TRUE; /* Null Pointer Dereference */

					Exit XS_Irssi__Irc__Notifylist_ircnets_match / notifylist_ircnets_match

Postconditions

_svi' = &$unknown_1360822
$unknown_1360805' = $unknown_1360805 - 4
ircnet' = ircnet'
items' != 2
rec' = 0
rec' = 0

Change Warning 7382.28480 : Null Pointer Dereference

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