evp: fix coverity 1473380: copy into fixed size buffer

Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/14614)

diff --git a/crypto/evp/ctrl_params_translate.c b/crypto/evp/ctrl_params_translate.c
index 808804ab3a959d06ed0f474a401c759619283ac1..c13a40a95fb540a4172cf829e6c276a50f526588 100644 (file)
--- a/crypto/evp/ctrl_params_translate.c
+++ b/crypto/evp/ctrl_params_translate.c
@@ -1344,7 +1344,7 @@ static int fix_rsa_pss_saltlen(enum state state,
                 break;
         }
         if (i == OSSL_NELEM(str_value_map)) {
-            BIO_snprintf(ctx->name_buf, 5, "%d", ctx->p1);
+            BIO_snprintf(ctx->name_buf, sizeof(ctx->name_buf), "%d", ctx->p1);
         } else {
             strcpy(ctx->name_buf, str_value_map[i].ptr);
         }