1 files changed, 4 insertions, 1 deletions

diff --git a/packet.c b/packet.c
index da843b2c2..6d58ebc0a 100644
--- a/packet.c
+++ b/packet.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.144 2006/09/16 19:53:37 djm Exp $ */
+/* $OpenBSD: packet.c,v 1.145 2006/09/19 21:14:08 markus Exp $ */
 /*
  * Author: Tatu Ylonen <ylo@cs.hut.fi>
  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -691,6 +691,9 @@ packet_enable_delayed_compress(void)
          */
         after_authentication = 1;
         for (mode = 0; mode < MODE_MAX; mode++) {
+                /* protocol error: USERAUTH_SUCCESS received before NEWKEYS */
+                if (newkeys[mode] == NULL)
+                        continue;
                 comp = &newkeys[mode]->comp;
                 if (comp && !comp->enabled && comp->type == COMP_DELAYED) {
                         packet_init_compression();