CodeSonar : Pvm : Null Pointer Dereference

Pvm : Pvm analysis 1 : Null Pointer Dereference at pvmcruft.c:860

Categories:	LANG.MEM.NPD CWE:476
Warning ID:	2652.2697
Procedure:	pvmgethome
Trace:	View
Modified:	Wed Sep 2 12:42:37 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/pvm/pvm3/src/pvmcruft.c

			Enter pvmgethome

char *

{

static char *hd = 0;

#ifndef WIN32 /* which registry should we use otherwise ? */

858

if (!hd) {

859

if (hd = getenv("HOME")) {

true

860

hd = STRALLOC(hd); /* Null Pointer Dereference */

Preconditions

hd = 0
$input_12 >= 0

Postconditions

hd' = &$heap_43455
$heap_43455' = $input_60
bytes_after(&$heap_43455)' = $input_12 + 1
$heap_43455' is allocated by malloc
$heap_43455' is a non-heap object
bytes_before(&$heap_43455)' = 0
strlen(&$heap_43455)' = $input_12

Change Warning 2652.2697 : Null Pointer Dereference

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