add missing pointer invalidation

ok tb

1 files changed, 2 insertions, 1 deletions

diff --git a/src/lib/libssl/s3_lib.c b/src/lib/libssl/s3_lib.c
index 9e76cf93d8..4229b2e9e3 100644
--- a/src/lib/libssl/s3_lib.c
+++ b/src/lib/libssl/s3_lib.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: s3_lib.c,v 1.242 2022/11/26 16:08:55 tb Exp $ */
+/* $OpenBSD: s3_lib.c,v 1.243 2023/05/16 14:10:43 jcs Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -1580,6 +1580,7 @@ ssl3_free(SSL *s)
 
         sk_X509_NAME_pop_free(s->s3->hs.tls12.ca_names, X509_NAME_free);
         sk_X509_pop_free(s->verified_chain, X509_free);
+        s->verified_chain = NULL;
 
         tls1_transcript_free(s);
         tls1_transcript_hash_free(s);