apps/x509.c:993: error: NULL_DEREFERENCE
  pointer `upkey` last assigned on line 992 could be null and is dereferenced by call to `EVP_PKEY_copy_parameters()` at line 993, column 5.
Showing all 10 steps of the trace


apps/x509.c:980:1: start of procedure x509_certify()
978.   }
979.   
980. > static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
981.                           X509 *x, X509 *xca, EVP_PKEY *pkey,
982.                           STACK_OF(OPENSSL_STRING) *sigopts,

apps/x509.c:987:5: 
985.                           ASN1_INTEGER *sno, int reqfile)
986.   {
987. >     int ret = 0;
988.       ASN1_INTEGER *bs = NULL;
989.       X509_STORE_CTX xsc;

apps/x509.c:988:5: 
986.   {
987.       int ret = 0;
988. >     ASN1_INTEGER *bs = NULL;
989.       X509_STORE_CTX xsc;
990.       EVP_PKEY *upkey;

apps/x509.c:992:5: 
990.       EVP_PKEY *upkey;
991.   
992. >     upkey = X509_get_pubkey(xca);
993.       EVP_PKEY_copy_parameters(upkey, pkey);
994.       EVP_PKEY_free(upkey);

crypto/x509/x509_cmp.c:307:1: start of procedure X509_get_pubkey()
  305.   }
  306.   
  307. > EVP_PKEY *X509_get_pubkey(X509 *x)
  308.   {
  309.       if ((x == NULL) || (x->cert_info == NULL))

crypto/x509/x509_cmp.c:309:10: Taking false branch
  307.   EVP_PKEY *X509_get_pubkey(X509 *x)
  308.   {
  309.       if ((x == NULL) || (x->cert_info == NULL))
                  ^
  310.           return (NULL);
  311.       return (X509_PUBKEY_get(x->cert_info->key));

crypto/x509/x509_cmp.c:309:25: Taking true branch
  307.   EVP_PKEY *X509_get_pubkey(X509 *x)
  308.   {
  309.       if ((x == NULL) || (x->cert_info == NULL))
                                 ^
  310.           return (NULL);
  311.       return (X509_PUBKEY_get(x->cert_info->key));

crypto/x509/x509_cmp.c:310:9: 
  308.   {
  309.       if ((x == NULL) || (x->cert_info == NULL))
  310. >         return (NULL);
  311.       return (X509_PUBKEY_get(x->cert_info->key));
  312.   }

crypto/x509/x509_cmp.c:312:1: return from a call to X509_get_pubkey
  310.           return (NULL);
  311.       return (X509_PUBKEY_get(x->cert_info->key));
  312. > }
  313.   
  314.   ASN1_BIT_STRING *X509_get0_pubkey_bitstr(const X509 *x)

apps/x509.c:993:5: 
991.   
992.       upkey = X509_get_pubkey(xca);
993. >     EVP_PKEY_copy_parameters(upkey, pkey);
994.       EVP_PKEY_free(upkey);
995.   
