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From b107586c0c3447ea22dba8698ebbcd81bb29d48c Mon Sep 17 00:00:00 2001
From: Matt Caswell <matt@openssl.org>
Date: Mon, 12 May 2014 00:38:37 +0100
Subject: [PATCH] Fixed NULL pointer dereference. See PR#3321
---
ssl/s3_pkt.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/ssl/s3_pkt.c b/ssl/s3_pkt.c
index 40eb0dd..d961d12 100644
--- a/ssl/s3_pkt.c
+++ b/ssl/s3_pkt.c
@@ -657,9 +657,6 @@ static int do_ssl3_write(SSL *s, int type, const unsigned char *buf,
SSL3_BUFFER *wb=&(s->s3->wbuf);
SSL_SESSION *sess;
- if (wb->buf == NULL)
- if (!ssl3_setup_write_buffer(s))
- return -1;
/* first check if there is a SSL3_BUFFER still being written
* out. This will happen with non blocking IO */
@@ -675,6 +672,10 @@ static int do_ssl3_write(SSL *s, int type, const unsigned char *buf,
/* if it went, fall through and send more stuff */
}
+ if (wb->buf == NULL)
+ if (!ssl3_setup_write_buffer(s))
+ return -1;
+
if (len == 0 && !create_empty_fragment)
return 0;
--
1.7.9.5
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