CodeSonar : Pvm : Null Pointer Dereference

Pvm : Pvm analysis 1 : Null Pointer Dereference at cmds.c:497

Categories:	LANG.MEM.NPD CWE:476
Warning ID:	2911.2983
Procedure:	newalias
Trace:	View
Modified:	Wed Sep 2 12:52:34 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/console/cmds.c

			Enter newalias

484

struct alias *

485

newalias(name, num, args)

char *name;

int num;

char **args;

{

struct alias *ap, *ap2;

491

492

ap = TALLOC(1, struct alias, "alias");

493

ap->a_name = STRALLOC(name); /* Null Pointer Dereference (ID: 2912.2985) */

494

ap->a_args = TALLOC(num + 1, char *, "aargs");

ap->a_num = num;

while (num-- > 0)

ap->a_args[num] = STRALLOC(args[num]); /* Null Pointer Dereference */

Preconditions

$param_2 >= 2

Postconditions

ap' = &$heap_239704
args' = $param_3
bytes_after(&$heap_239704)' = 48
$heap_239704' is allocated by malloc
$heap_239704' is allocated
bytes_before(&$heap_239704)' = 0
((char*)&$heap_239704)[16]' = &$heap_239705
((char*)&$heap_239704)[24]' = $param_2
((char*)&$heap_239704)[32]' = &$heap_239706
$heap_239705' = *$param_1
bytes_after(&$heap_239705)' = strlen($param_1) + 1
$heap_239705' is allocated by malloc
$heap_239705' is allocated
bytes_before(&$heap_239705)' = 0
strlen(&$heap_239705)' = strlen($param_1)
bytes_after(&$heap_239706)' = 8 * $param_2 + 8
$heap_239706' is allocated by malloc
$heap_239706' is allocated
bytes_before(&$heap_239706)' = 0
name' = $param_1
num' = 0

Change Warning 2911.2983 : Null Pointer Dereference

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