CodeSonar : Irssi : Null Pointer Dereference

Irssi : Irssi analysis 1 : Null Pointer Dereference at fe-windows.c:225

Categories:	LANG.MEM.NPD CWE:476
Warning ID:	2335.2345
Procedure:	window_set_history
Trace:	View
Modified:	Wed Sep 2 12:16:00 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_set_history

770

XS (XS_Irssi__UI__Window_set_history)

{

#ifdef dVAR

dVAR; dXSARGS;

#else

dXSARGS;

#endif

if (items != 2)

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

779

PERL_UNUSED_VAR(cv); /* -W */

780

{

true

781

Irssi__UI__Window window = irssi_ref_object(ST(0));

782

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

783

window <= 4095

784

window_set_history(window, name );

					/u1/paul/SATE/2010/c/irssi/irssi-0.8.14/src/fe-common/core/fe-windows.c

					Enter XS_Irssi__UI__Window_set_history / window_set_history

$param_1 <= 4095

222

void window_set_history(WINDOW_REC *window, const char *name)

{

char *oldname;

oldname = window->history_name; /* Null Pointer Dereference */

					Exit XS_Irssi__UI__Window_set_history / window_set_history

Preconditions

&$unknown_2775307 = 782

Postconditions

_svi' = &$unknown_2775303
$unknown_2775281' = $unknown_2775281 - 4
cv' = $param_2
items' != 2
my_perl' = $param_1
name' = ((char*)&$unknown_2775303)[16]
name' = ((char*)&$unknown_2775303)[16]
window' = 0
window' = 0

Change Warning 2335.2345 : Null Pointer Dereference

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