From: Ondrej Zajicek <santiago@crfreenet.org>
Date: Tue, 31 May 2011 15:27:46 +0000 (+0200)
Subject: Fixes bug that causes crash with strange BGP updates.
X-Git-Tag: v1.3.2~11
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=61c96d724464ee067e589b72ca9d10a2f7692901;p=thirdparty%2Fbird.git

Fixes bug that causes crash with strange BGP updates.
---

diff --git a/proto/bgp/packets.c b/proto/bgp/packets.c
index 0b41244bf..c3a867315 100644
--- a/proto/bgp/packets.c
+++ b/proto/bgp/packets.c
@@ -862,7 +862,7 @@ bgp_do_rx_update(struct bgp_conn *conn,
   if (conn->state != BS_ESTABLISHED)	/* fatal error during decoding */
     return;
 
-  if (a0 && bgp_set_next_hop(p, a0))
+  if (a0 && nlri_len && bgp_set_next_hop(p, a0))
     a = rta_lookup(a0);
 
   while (nlri_len)