keypairtest: zero out tls_error before running tests

Otherwise tls_error_clear() (called e.g. via tls_error_vset()) will
free the bad error->msg pointer.

From Michael Forney

1 files changed, 2 insertions, 2 deletions

diff --git a/src/regress/lib/libtls/keypair/keypairtest.c b/src/regress/lib/libtls/keypair/keypairtest.c
index 600e578f32..b54b087880 100644
--- a/src/regress/lib/libtls/keypair/keypairtest.c
+++ b/src/regress/lib/libtls/keypair/keypairtest.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: keypairtest.c,v 1.7 2024/03/20 10:38:05 jsing Exp $ */
+/* $OpenBSD: keypairtest.c,v 1.8 2026/04/15 20:13:07 tb Exp $ */
 /*
  * Copyright (c) 2018 Joel Sing <jsing@openbsd.org>
  *
@@ -88,7 +88,7 @@ do_keypair_tests(void)
         const uint8_t *cert, *key, *ocsp_staple;
         X509 *x509_cert = NULL;
         struct tls_keypair *kp;
-        struct tls_error err;
+        struct tls_error err = { 0 };
         int failed = 1;
 
         load_file(cert_file, &cert, &cert_len);