From 0acd1ab4d08d53d80393b1a37b8781f6e7b2b996 Mon Sep 17 00:00:00 2001
 From: Tobias Brunner <tobias@strongswan.org>
 Date: Tue, 13 Mar 2018 18:54:08 +0100
 Subject: [PATCH] stroke: Ensure a minimum message length
 
 ---
  src/libcharon/plugins/stroke/stroke_socket.c | 5 +++++
  1 file changed, 5 insertions(+)
 
 diff --git a/src/libcharon/plugins/stroke/stroke_socket.c b/src/libcharon/plugins/stroke/stroke_socket.c
 index c568440..1e7f210 100644
 --- a/src/libcharon/plugins/stroke/stroke_socket.c
 +++ b/src/libcharon/plugins/stroke/stroke_socket.c
 @@ -627,6 +627,11 @@ static bool on_accept(private_stroke_socket_t *this, stream_t *stream)
  		}
  		return FALSE;
  	}
 +	if (len < offsetof(stroke_msg_t, buffer))
 +	{
 +		DBG1(DBG_CFG, "invalid stroke message length %d", len);
 +		return FALSE;
 +	}
  
  	/* read message (we need an additional byte to terminate the buffer) */
  	msg = malloc(len + 1);
 -- 
 1.9.1