apps/x509.c:1245: error: NULL_DEREFERENCE
  pointer `pktmp` last assigned on line 1244 could be null and is dereferenced by call to `EVP_PKEY_copy_parameters()` at line 1245, column 2.
Showing all 17 steps of the trace


apps/x509.c:1238:1: start of procedure sign()
1236.   
1237.   /* self sign */
1238. > static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext, const EVP_MD *digest, 
1239.   						CONF *conf, char *section)
1240.   	{

apps/x509.c:1244:2: 
1242.   	EVP_PKEY *pktmp;
1243.   
1244. > 	pktmp = X509_get_pubkey(x);
1245.   	EVP_PKEY_copy_parameters(pktmp,pkey);
1246.   	EVP_PKEY_save_parameters(pktmp,1);

crypto/x509/x509_cmp.c:296:1: start of procedure X509_get_pubkey()
  294.   	}
  295.   
  296. > EVP_PKEY *X509_get_pubkey(X509 *x)
  297.   	{
  298.   	if ((x == NULL) || (x->cert_info == NULL))

crypto/x509/x509_cmp.c:298:7: Taking false branch
  296.   EVP_PKEY *X509_get_pubkey(X509 *x)
  297.   	{
  298.   	if ((x == NULL) || (x->cert_info == NULL))
               ^
  299.   		return(NULL);
  300.   	return(X509_PUBKEY_get(x->cert_info->key));

crypto/x509/x509_cmp.c:298:22: Taking false branch
  296.   EVP_PKEY *X509_get_pubkey(X509 *x)
  297.   	{
  298.   	if ((x == NULL) || (x->cert_info == NULL))
                              ^
  299.   		return(NULL);
  300.   	return(X509_PUBKEY_get(x->cert_info->key));

crypto/x509/x509_cmp.c:300:2: 
  298.   	if ((x == NULL) || (x->cert_info == NULL))
  299.   		return(NULL);
  300. > 	return(X509_PUBKEY_get(x->cert_info->key));
  301.   	}
  302.   

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:179:2: 
    177.   	return ret;
    178.   
    179. > 	error:
    180.   	if (ret != NULL)
    181.   		EVP_PKEY_free(ret);

crypto/asn1/x_pubkey.c:180:6: Taking false branch
    178.   
    179.   	error:
    180.   	if (ret != NULL)
                ^
    181.   		EVP_PKEY_free(ret);
    182.   	return(NULL);

crypto/asn1/x_pubkey.c:182:2: 
    180.   	if (ret != NULL)
    181.   		EVP_PKEY_free(ret);
    182. > 	return(NULL);
    183.   	}
    184.   

crypto/asn1/x_pubkey.c:183:2: return from a call to X509_PUBKEY_get
    181.   		EVP_PKEY_free(ret);
    182.   	return(NULL);
    183.   	}
            ^
    184.   
    185.   /* Now two pseudo ASN1 routines that take an EVP_PKEY structure

crypto/x509/x509_cmp.c:301:2: return from a call to X509_get_pubkey
  299.   		return(NULL);
  300.   	return(X509_PUBKEY_get(x->cert_info->key));
  301.   	}
          ^
  302.   
  303.   ASN1_BIT_STRING *X509_get0_pubkey_bitstr(const X509 *x)

apps/x509.c:1245:2: 
1243.   
1244.   	pktmp = X509_get_pubkey(x);
1245. > 	EVP_PKEY_copy_parameters(pktmp,pkey);
1246.   	EVP_PKEY_save_parameters(pktmp,1);
1247.   	EVP_PKEY_free(pktmp);
