CodeSonar : Pvm : Null Pointer Dereference

Pvm : Pvm analysis 1 : Null Pointer Dereference at ddpro.c:573

Categories:	LANG.MEM.NPD CWE:476
Warning ID:	2450.2478
Procedure:	hostfailentry
Trace:	View
Modified:	Wed Sep 2 12:39:36 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/ddpro.c

			Enter hostfailentry

hostfailentry(hp)

struct hostd *hp;

{

int hpart = hp->hd_hostpart;

550

struct waitc *wp, *wp2;

551

struct pmsg *mp;

552

struct pvmmentry *ep;

553

554

if (pvmdebmask & PDMHOST) {

555

pvmlogprintf("hostfailentry() host %s\n", hp->hd_name );

hd_dump(hp );

}

if (hp == hosts->ht_hosts[hosts->ht_master]) {

560

pvmlogerror("hostfailentry() lost master host, we're screwwwed\n");

pvmbailout(0);

}

* if we're master pvmd, send HT_DEL message to all others

566

567

568

if (hp->hd_hostpart && hosts->ht_master == hosts->ht_local) {

struct hostd *hp2;

int hh;

mp = mesg_new (0);

mp->m_tag = DM_HTDEL; /* Null Pointer Dereference */

Preconditions

((char*)$param_1)[192] != 0
((char*)$param_1)[4] != 0
((char*)$param_1)[112] >= 0
hosts->ht_master = hosts->ht_local
numpmsgs = 0

Postconditions

freepmsgs.m_link' = &freepmsgs.m_link
freepmsgs.m_rlink' = &freepmsgs.m_link
hp' = $param_1
hpart' = ((char*)$param_1)[4]
mp' = 0

Change Warning 2450.2478 : Null Pointer Dereference

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