bn_convert: plug leak spotted by ASAN

1 files changed, 4 insertions, 2 deletions

diff --git a/src/regress/lib/libcrypto/bn/bn_convert.c b/src/regress/lib/libcrypto/bn/bn_convert.c
index df69b78050..c787036cc4 100644
--- a/src/regress/lib/libcrypto/bn/bn_convert.c
+++ b/src/regress/lib/libcrypto/bn/bn_convert.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: bn_convert.c,v 1.4 2024/04/09 14:56:21 jsing Exp $ */
+/*      $OpenBSD: bn_convert.c,v 1.5 2024/04/09 16:06:01 tb Exp $ */
 /*
  * Copyright (c) 2023 Joel Sing <jsing@openbsd.org>
  *
@@ -482,7 +482,8 @@ test_bn_convert(void)
                 }
 
                 free(mpi_out);
-                
+                mpi_out = NULL;
+
                 if ((mpi_len = BN_bn2mpi(bn, NULL)) != bct->mpi_len) {
                         fprintf(stderr, "FAIL: Test %zu - BN_bn2mpi() returned "
                             "%d, want %d", i, mpi_len, bct->mpi_len);
@@ -550,6 +551,7 @@ test_bn_convert(void)
         failed = 0;
 
  failure:
+        free(mpi_out);
         free(out_str);
         BN_free(bn);