BN_one() can fail, check its return value.

diff --git a/regress/lib/libcrypto/exp/exptest.c b/regress/lib/libcrypto/exp/exptest.c
index e626007..ea744c2 100644 (file)
--- a/regress/lib/libcrypto/exp/exptest.c
+++ b/regress/lib/libcrypto/exp/exptest.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: exptest.c,v 1.8 2021/11/18 15:17:31 tb Exp $  */
+/*     $OpenBSD: exptest.c,v 1.9 2022/12/01 02:58:40 jsing Exp $       */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -110,11 +110,13 @@ test_exp_mod_zero(void)
                goto err;
        if ((m = BN_new()) == NULL)
                goto err;
-       BN_one(m);
+       if (!BN_one(m))
+               goto err;
 
        if ((a = BN_new()) == NULL)
                goto err;
-       BN_one(a);
+       if (!BN_one(a))
+               goto err;
 
        if ((p = BN_new()) == NULL)
                goto err;