apps/ecparam: Avoid crash when parameters fail to load

Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/14043)

diff --git a/apps/ecparam.c b/apps/ecparam.c
index 33b24781e3f28f201cd3223289c5c8a7223b4df8..762da3f2c96ad1e0135eebe1766558633c63ce44 100644 (file)
--- a/apps/ecparam.c
+++ b/apps/ecparam.c
@@ -238,7 +238,7 @@ int ecparam_main(int argc, char **argv)
         }
     } else {
         params_key = load_keyparams(infile, 1, "EC", "EC parameters");
-        if (!EVP_PKEY_is_a(params_key, "EC"))
+        if (params_key == NULL || !EVP_PKEY_is_a(params_key, "EC"))
             goto end;
         if (point_format
             && !EVP_PKEY_set_utf8_string_param(