apps/x509.c:1301: error: NULL_DEREFERENCE
  pointer `pktmp` last assigned on line 1300 could be null and is dereferenced by call to `EVP_PKEY_copy_parameters()` at line 1301, column 2.
Showing all 17 steps of the trace


apps/x509.c:1294:1: start of procedure sign()
1292.   
1293.   /* self sign */
1294. > static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext, const EVP_MD *digest, 
1295.   						CONF *conf, char *section)
1296.   	{

apps/x509.c:1300:2: 
1298.   	EVP_PKEY *pktmp;
1299.   
1300. > 	pktmp = X509_get_pubkey(x);
1301.   	EVP_PKEY_copy_parameters(pktmp,pkey);
1302.   	EVP_PKEY_save_parameters(pktmp,1);

crypto/x509/x509_cmp.c:300:1: start of procedure X509_get_pubkey()
  298.   	}
  299.   
  300. > EVP_PKEY *X509_get_pubkey(X509 *x)
  301.   	{
  302.   	if ((x == NULL) || (x->cert_info == NULL))

crypto/x509/x509_cmp.c:302:7: Taking false branch
  300.   EVP_PKEY *X509_get_pubkey(X509 *x)
  301.   	{
  302.   	if ((x == NULL) || (x->cert_info == NULL))
               ^
  303.   		return(NULL);
  304.   	return(X509_PUBKEY_get(x->cert_info->key));

crypto/x509/x509_cmp.c:302:22: Taking false branch
  300.   EVP_PKEY *X509_get_pubkey(X509 *x)
  301.   	{
  302.   	if ((x == NULL) || (x->cert_info == NULL))
                              ^
  303.   		return(NULL);
  304.   	return(X509_PUBKEY_get(x->cert_info->key));

crypto/x509/x509_cmp.c:304:2: 
  302.   	if ((x == NULL) || (x->cert_info == NULL))
  303.   		return(NULL);
  304. > 	return(X509_PUBKEY_get(x->cert_info->key));
  305.   	}
  306.   

crypto/asn1/x_pubkey.c:133:1: start of procedure X509_PUBKEY_get()
    131.   	}
    132.   
    133. > EVP_PKEY *X509_PUBKEY_get(X509_PUBKEY *key)
    134.   	{
    135.   	EVP_PKEY *ret=NULL;

crypto/asn1/x_pubkey.c:135:2: 
    133.   EVP_PKEY *X509_PUBKEY_get(X509_PUBKEY *key)
    134.   	{
    135. > 	EVP_PKEY *ret=NULL;
    136.   
    137.   	if (key == NULL) goto error;

crypto/asn1/x_pubkey.c:137:6: Taking false branch
    135.   	EVP_PKEY *ret=NULL;
    136.   
    137.   	if (key == NULL) goto error;
                ^
    138.   
    139.   	if (key->pkey != NULL)

crypto/asn1/x_pubkey.c:139:6: Taking false branch
    137.   	if (key == NULL) goto error;
    138.   
    139.   	if (key->pkey != NULL)
                ^
    140.   		{
    141.   		CRYPTO_add(&key->pkey->references, 1, CRYPTO_LOCK_EVP_PKEY);

crypto/asn1/x_pubkey.c:145:6: Taking true branch
    143.   		}
    144.   
    145.   	if (key->public_key == NULL) goto error;
                ^
    146.   
    147.   	if ((ret = EVP_PKEY_new()) == NULL)

crypto/asn1/x_pubkey.c:191:2: 
    189.   	return ret;
    190.   
    191. > 	error:
    192.   	if (ret != NULL)
    193.   		EVP_PKEY_free(ret);

crypto/asn1/x_pubkey.c:192:6: Taking false branch
    190.   
    191.   	error:
    192.   	if (ret != NULL)
                ^
    193.   		EVP_PKEY_free(ret);
    194.   	return(NULL);

crypto/asn1/x_pubkey.c:194:2: 
    192.   	if (ret != NULL)
    193.   		EVP_PKEY_free(ret);
    194. > 	return(NULL);
    195.   	}
    196.   

crypto/asn1/x_pubkey.c:195:2: return from a call to X509_PUBKEY_get
    193.   		EVP_PKEY_free(ret);
    194.   	return(NULL);
    195.   	}
            ^
    196.   
    197.   /* Now two pseudo ASN1 routines that take an EVP_PKEY structure

crypto/x509/x509_cmp.c:305:2: return from a call to X509_get_pubkey
  303.   		return(NULL);
  304.   	return(X509_PUBKEY_get(x->cert_info->key));
  305.   	}
          ^
  306.   
  307.   ASN1_BIT_STRING *X509_get0_pubkey_bitstr(const X509 *x)

apps/x509.c:1301:2: 
1299.   
1300.   	pktmp = X509_get_pubkey(x);
1301. > 	EVP_PKEY_copy_parameters(pktmp,pkey);
1302.   	EVP_PKEY_save_parameters(pktmp,1);
1303.   	EVP_PKEY_free(pktmp);
