CodeSonar : Irssi : Null Pointer Dereference

Irssi : Irssi analysis 1 : Null Pointer Dereference at Window.c:554

Categories:	LANG.MEM.NPD CWE:476
Warning ID:	2332.2342
Procedure:	XS_Irssi__UI__Window_command
Trace:	View
Modified:	Wed Sep 2 12:15:52 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

			/u1/paul/SATE/2010/c/irssi/irssi-0.8.14/src/perl/ui/Window.c

			Enter XS_Irssi__UI__Window_command

535

XS (XS_Irssi__UI__Window_command)

{

#ifdef dVAR

dVAR; dXSARGS;

#else

dXSARGS;

#endif

if (items != 2)

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

544

PERL_UNUSED_VAR(cv); /* -W */

545

{

true

546

Irssi__UI__Window window = irssi_ref_object(ST(0));

547

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

548

#line 158 "Window.xs"

549

WINDOW_REC *old;

550

#line 551 "Window.c"

551

#line 160 "Window.xs"

old = active_win;

active_win = window;

perl_command(cmd, window->active_server, window->active ); /* Null Pointer Dereference */

Postconditions

_svi' = &$unknown_2740562
active_win' = 0
$unknown_2740540' = $unknown_2740540 - 4
cmd' = ((char*)&$unknown_2740562)[16]
cv' = $param_2
items' != 2
my_perl' = $param_1
old' = active_win
window' = 0

Change Warning 2332.2342 : Null Pointer Dereference

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