CodeSonar : Irssi : Null Pointer Dereference

Categories:	LANG.MEM.NPD CWE:476
Warning ID:	2287.2295
Procedure:	irssi_ref_object
Trace:	View
Modified:	Wed Sep 2 11:57:14 2009 show details hide details

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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

Source | Language: C

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Problem	Line	Source

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

			Enter irssi_ref_object

{

SV **sv;

HV *hv;

void *p;

hv = hvref(o);

if (hv == NULL)

return NULL;

sv = hv_fetch(hv, "_irssi", 6, 0);

if (sv == NULL)

croak("variable is damaged");

p = GINT_TO_POINTER(SvIV(*sv)); /* Null Pointer Dereference */

Preconditions

&$unknown_1167119 = 0
&$unknown_1167120 = 32
&$unknown_1167121 = 0
&$unknown_1167122 = 6

Postconditions

_svi' = $param_1
_svi' = $param_1
_svi' = $param_1
hv' = ((char*)$param_1)[16]
o' = $param_1
sv' = 0