From: Dr. Stephen Henson <steve@openssl.org>
Date: Fri, 16 Oct 2009 15:24:19 +0000 (+0000)
Subject: PR: 2072
X-Git-Tag: OpenSSL_1_0_0-beta4~36
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=a9bb9d0eb47c246950f10fe522103292aab7d735;p=openssl

PR: 2072
Submitted by: Tomas Mraz <tmraz@redhat.com>
Approved by: steve@openssl.org

Avoid potential doublefree and reuse of freed handshake_buffer.
---

diff --git a/ssl/s3_lib.c b/ssl/s3_lib.c
index 7aa1c037b2..d6b047c995 100644
--- a/ssl/s3_lib.c
+++ b/ssl/s3_lib.c
@@ -2211,6 +2211,7 @@ void ssl3_clear(SSL *s)
  	wlen = s->s3->wbuf.len;
 	if (s->s3->handshake_buffer) {
 		BIO_free(s->s3->handshake_buffer);
+		s->s3->handshake_buffer = NULL;
 	}
 	if (s->s3->handshake_dgst) {
 		ssl3_free_digest_list(s);