CodeSonar : Irssi : Null Pointer Dereference

Irssi : Irssi analysis 1 : Null Pointer Dereference at Window.c:493

Categories:	LANG.MEM.NPD CWE:476
Warning ID:	2331.2341
Procedure:	XS_Irssi__UI__Window_items
Trace:	View
Modified:	Wed Sep 2 12:15:47 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/ui/Window.c

			Enter XS_Irssi__UI__Window_items

475

XS (XS_Irssi__UI__Window_items)

{

#ifdef dVAR

dVAR; dXSARGS;

#else

dXSARGS;

#endif

if (items != 1)

Perl_croak(aTHX_ "Usage: %s(%s)", "Irssi::UI::Window::items", "window");

484

PERL_UNUSED_VAR(cv); /* -W */

485

PERL_UNUSED_VAR(ax); /* -Wall */

SP -= items;

{

Irssi__UI__Window window = irssi_ref_object(ST(0));

489

#line 137 "Window.xs"

490

GSList *tmp;

491

#line 492 "Window.c"

492

#line 139 "Window.xs"

window <= 4095

493

for (tmp = window->items; tmp != NULL; tmp = tmp->next) { /* Null Pointer Dereference */

Postconditions

$unknown_2717062' = $unknown_2717062 - 4
cv' = $param_2
items' != 1
my_perl' = $param_1
window' = 0

Change Warning 2331.2341 : Null Pointer Dereference

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