From 57b83edc46926662491d63666231ba7ddc954a38 Mon Sep 17 00:00:00 2001
From: erbsland-dev <github@erbsland.dev>
Date: Sat, 22 Jun 2024 09:14:25 +0200
Subject: [PATCH] bio_ssl.c: Do not call SSL_shutdown if not inited

Fixes #4545

If free is called for an SSL BIO that is in initialization phase,
the `SSL_shutdown` call is omitted.

Reviewed-by: Neil Horman <nhorman@openssl.org>
Reviewed-by: Paul Dale <ppzgs1@gmail.com>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/24705)
---
 ssl/bio_ssl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ssl/bio_ssl.c b/ssl/bio_ssl.c
index aabd047fe580a..ac65a3988bd10 100644
--- a/ssl/bio_ssl.c
+++ b/ssl/bio_ssl.c
@@ -79,7 +79,7 @@ static int ssl_free(BIO *a)
         return 0;
     bs = BIO_get_data(a);
     if (BIO_get_shutdown(a)) {
-        if (bs->ssl != NULL)
+        if (bs->ssl != NULL && !SSL_in_init(bs->ssl))
             SSL_shutdown(bs->ssl);
         if (BIO_get_init(a))
             SSL_free(bs->ssl);