ssl/s3_clnt.c:1645: error: NULL_DEREFERENCE
  pointer `pkey` last assigned on line 1643 could be null and is dereferenced by call to `EVP_PKEY_free()` at line 1645, column 2.
Showing all 24 steps of the trace


ssl/s3_clnt.c:1606:1: start of procedure ssl3_check_cert_and_algorithm()
1604.   #define has_bits(i,m)	(((i)&(m)) == (m))
1605.   
1606. > static int ssl3_check_cert_and_algorithm(SSL *s)
1607.   	{
1608.   	int i,idx;

ssl/s3_clnt.c:1610:2: 
1608.   	int i,idx;
1609.   	long algs;
1610. > 	EVP_PKEY *pkey=NULL;
1611.   	SESS_CERT *sc;
1612.   #ifndef NO_RSA

ssl/s3_clnt.c:1619:2: 
1617.   #endif
1618.   
1619. > 	sc=s->session->sess_cert;
1620.   
1621.   	if (sc == NULL)

ssl/s3_clnt.c:1621:6: Taking false branch
1619.   	sc=s->session->sess_cert;
1620.   
1621.   	if (sc == NULL)
             ^
1622.   		{
1623.   		SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_INTERNAL_ERROR);

ssl/s3_clnt.c:1627:2: 
1625.   		}
1626.   
1627. > 	algs=s->s3->tmp.new_cipher->algorithms;
1628.   
1629.   	/* we don't have a certificate */

ssl/s3_clnt.c:1630:6: Taking false branch
1628.   
1629.   	/* we don't have a certificate */
1630.   	if (algs & (SSL_aDH|SSL_aNULL))
             ^
1631.   		return(1);
1632.   

ssl/s3_clnt.c:1634:2: 
1632.   
1633.   #ifndef NO_RSA
1634. > 	rsa=s->session->sess_cert->peer_rsa_tmp;
1635.   #endif
1636.   #ifndef NO_DH

ssl/s3_clnt.c:1637:2: 
1635.   #endif
1636.   #ifndef NO_DH
1637. > 	dh=s->session->sess_cert->peer_dh_tmp;
1638.   #endif
1639.   

ssl/s3_clnt.c:1642:2: 
1640.   	/* This is the passed certificate */
1641.   
1642. > 	idx=sc->peer_cert_type;
1643.   	pkey=X509_get_pubkey(sc->peer_pkeys[idx].x509);
1644.   	i=X509_certificate_type(sc->peer_pkeys[idx].x509,pkey);

ssl/s3_clnt.c:1643:2: 
1641.   
1642.   	idx=sc->peer_cert_type;
1643. > 	pkey=X509_get_pubkey(sc->peer_pkeys[idx].x509);
1644.   	i=X509_certificate_type(sc->peer_pkeys[idx].x509,pkey);
1645.   	EVP_PKEY_free(pkey);

crypto/x509/x509_cmp.c:250:1: start of procedure X509_get_pubkey()
  248.   	}
  249.   
  250. > EVP_PKEY *X509_get_pubkey(X509 *x)
  251.   	{
  252.   	if ((x == NULL) || (x->cert_info == NULL))

crypto/x509/x509_cmp.c:252:7: Taking false branch
  250.   EVP_PKEY *X509_get_pubkey(X509 *x)
  251.   	{
  252.   	if ((x == NULL) || (x->cert_info == NULL))
               ^
  253.   		return(NULL);
  254.   	return(X509_PUBKEY_get(x->cert_info->key));

crypto/x509/x509_cmp.c:252:22: Taking true branch
  250.   EVP_PKEY *X509_get_pubkey(X509 *x)
  251.   	{
  252.   	if ((x == NULL) || (x->cert_info == NULL))
                              ^
  253.   		return(NULL);
  254.   	return(X509_PUBKEY_get(x->cert_info->key));

crypto/x509/x509_cmp.c:253:3: 
  251.   	{
  252.   	if ((x == NULL) || (x->cert_info == NULL))
  253. > 		return(NULL);
  254.   	return(X509_PUBKEY_get(x->cert_info->key));
  255.   	}

crypto/x509/x509_cmp.c:255:2: return from a call to X509_get_pubkey
  253.   		return(NULL);
  254.   	return(X509_PUBKEY_get(x->cert_info->key));
  255.   	}
          ^
  256.   
  257.   int X509_check_private_key(X509 *x, EVP_PKEY *k)

ssl/s3_clnt.c:1644:2: Skipping X509_certificate_type(): empty list of specs
1642.   	idx=sc->peer_cert_type;
1643.   	pkey=X509_get_pubkey(sc->peer_pkeys[idx].x509);
1644.   	i=X509_certificate_type(sc->peer_pkeys[idx].x509,pkey);
         ^
1645.   	EVP_PKEY_free(pkey);
1646.   

ssl/s3_clnt.c:1645:2: 
1643.   	pkey=X509_get_pubkey(sc->peer_pkeys[idx].x509);
1644.   	i=X509_certificate_type(sc->peer_pkeys[idx].x509,pkey);
1645. > 	EVP_PKEY_free(pkey);
1646.   
1647.   	

crypto/evp/p_lib.c:286:1: start of procedure EVP_PKEY_free()
  284.   	}
  285.   
  286. > void EVP_PKEY_free(EVP_PKEY *x)
  287.   	{
  288.   	int i;

crypto/evp/p_lib.c:290:6: Taking false branch
  288.   	int i;
  289.   
  290.   	if (x == NULL) return;
              ^
  291.   
  292.   	i=CRYPTO_add(&x->references,-1,CRYPTO_LOCK_EVP_PKEY);

crypto/evp/p_lib.c:292:2: 
  290.   	if (x == NULL) return;
  291.   
  292. > 	i=CRYPTO_add(&x->references,-1,CRYPTO_LOCK_EVP_PKEY);
  293.   #ifdef REF_PRINT
  294.   	REF_PRINT("EVP_PKEY",x);

crypto/cryptlib.c:226:1: start of procedure CRYPTO_add_lock()
    224.   	}
    225.   
    226. > int CRYPTO_add_lock(int *pointer, int amount, int type, const char *file,
    227.   	     int line)
    228.   	{

crypto/cryptlib.c:231:6: Taking true branch
    229.   	int ret;
    230.   
    231.   	if (add_lock_callback != NULL)
                ^
    232.   		{
    233.   #ifdef LOCK_DEBUG

crypto/cryptlib.c:237:3: Skipping __function_pointer__(): unresolved function pointer
    235.   #endif
    236.   
    237.   		ret=add_lock_callback(pointer,amount,type,file,line);
             ^
    238.   #ifdef LOCK_DEBUG
    239.   		fprintf(stderr,"ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n",

crypto/cryptlib.c:245:3: 
    243.   			file,line);
    244.   #endif
    245. > 		*pointer=ret;
    246.   		}
    247.   	else
