CodeSonar : Pvm : Null Pointer Dereference

Categories:	LANG.MEM.NPD CWE:476
Warning ID:	2791.2850
Procedure:	pvmsettaskname
Trace:	View
Modified:	Wed Sep 2 12:46:57 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/pvm/pvm3/src/lpvmgen.c

			Enter pvmsettaskname

char *name;

{

if ( name == NULL )

return lpvmerr( "pvmsettaskname", PvmBadParam );

if ( pvmmytid != -1 )

return lpvmerr( "pvmsettaskname", PvmExists );

if ( pvmmytaskname != NULL )

{

PVM_FREE( pvmmytaskname );

pvmmytaskname = (char *) NULL;

}

pvmmytaskname = STRALLOC( name ); /* Null Pointer Dereference */

Preconditions

$param_1 != 0
pvmmytaskname != 0
pvmmytid = -1

Postconditions

*pvmmytaskname' is freed
name' = $param_1
pvmmytaskname' = 0