CodeSonar : Pvm : Null Pointer Dereference

Pvm : Pvm analysis 1 : Null Pointer Dereference at cons.c:368

Categories:	LANG.MEM.NPD CWE:476
Warning ID:	2910.2982
Procedure:	main
Trace:	View
Modified:	Wed Sep 2 12:52:33 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/cons.c

			Enter main

main(argc, argv)

int argc;

char **argv;

{

static struct timeval more_msgs = { 0, 0 };

char cmd[1024];

int cc;

int i;

int src, cod, len;

char *p;

FILE *ff;

#ifdef FDSETNOTSTRUCT

302

fd_set rfds, fds;

303

#else

304

struct fd_set rfds, fds;

#endif

int nfds;

int n;

int *np = 0;

struct pvmminfo minfo;

310

struct timeval *timeout;

int more;

int ac;

char *av[128];

#ifdef WIN32

/* WSAStartup has to be called before any socket command */

318

/* can be executed. Why ? Ask Bill */

...

355

fprintf(stderr,

356

"SET CYGWIN=tty (Cygwin B20)\n");

357

fprintf(stderr,

358

"SET CYGWIN32=tty (Cygwin B19)\n");

exit(1);

}

}

#endif

pvm_setopt(PvmResvTids, 1);

366

true

367

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

aliases <= 4095

368

BZERO((char*)aliases, sizeof(struct alias)); /* Null Pointer Dereference */

Postconditions

*stderr' is allocated by fopen
bytes_before(stderr)' = 0
aliases' = 0
argc' = $param_1
argv' = $param_2
np' = 0

Change Warning 2910.2982 : Null Pointer Dereference

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