fix resource leaks, ok @guenther

1 files changed, 7 insertions, 3 deletions

diff --git a/src/regress/lib/libcrypto/bn/general/bntest.c b/src/regress/lib/libcrypto/bn/general/bntest.c
index 5faa653022..3cca951cae 100644
--- a/src/regress/lib/libcrypto/bn/general/bntest.c
+++ b/src/regress/lib/libcrypto/bn/general/bntest.c
@@ -1063,15 +1063,18 @@ test_mod_exp(BIO *bp, BN_CTX *ctx)
         CHECK_GOTO(BN_zero(c));
         if (BN_mod_exp(d, a, b, c, ctx)) {
                 fprintf(stderr, "BN_mod_exp with zero modulus succeeded!\n");
-                return (0);
+                rc = 0;
+                goto err;
         }
         if (BN_mod_exp_ct(d, a, b, c, ctx)) {
                 fprintf(stderr, "BN_mod_exp_ct with zero modulus succeeded!\n");
-                return (0);
+                rc = 0;
+                goto err;
         }
         if (BN_mod_exp_nonct(d, a, b, c, ctx)) {
                 fprintf(stderr, "BN_mod_exp_nonct with zero modulus succeeded!\n");
-                return (0);
+                rc = 0;
+                goto err;
         }
 
         CHECK_GOTO(BN_bntest_rand(c, 30, 0, 1)); /* must be odd for montgomery */
@@ -1420,6 +1423,7 @@ err:
         BN_free(b);
         BN_free(n);
         BN_free(c);
+        BN_MONT_CTX_free(mont);
         return (rc);
 }