From: Linus Nordberg <linus@nordu.net>
Date: Sun, 13 Mar 2011 23:45:18 +0000 (+0100)
Subject: Avoid potential double free.
X-Git-Tag: libradsec-0.0.1~13
X-Git-Url: http://www.project-moonshot.org/gitweb/?p=libradsec.git;a=commitdiff_plain;h=2e315fe5273c899bad4de5f82af9e704edb0bda5

Avoid potential double free.

(udp_init): Set conn.rev = NULL in fault case.
---

diff --git a/lib/udp.c b/lib/udp.c
index 911616d..c04821d 100644
--- a/lib/udp.c
+++ b/lib/udp.c
@@ -155,7 +155,10 @@ udp_init (struct rs_connection *conn, struct rs_packet *pkt)
   if (!conn->rev || !conn->wev)
     {
       if (conn->rev)
-	event_free (conn->rev);
+	{
+	  event_free (conn->rev);
+	  conn->rev = NULL;
+	}
       /* ENOMEM _or_ EINVAL but EINVAL only if we use EV_SIGNAL, at
 	 least for now (libevent-2.0.5).  */
       return rs_err_conn_push_fl (conn, RSE_NOMEM, __FILE__, __LINE__, NULL);