===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/ssh/kex.c,v
retrieving revision 1.150
retrieving revision 1.151
diff -u -r1.150 -r1.151
--- src/usr.bin/ssh/kex.c	2019/01/21 12:08:13	1.150
+++ src/usr.bin/ssh/kex.c	2019/09/05 09:25:13	1.151
@@ -1,4 +1,4 @@
-/* $OpenBSD: kex.c,v 1.150 2019/01/21 12:08:13 djm Exp $ */
+/* $OpenBSD: kex.c,v 1.151 2019/09/05 09:25:13 djm Exp $ */
 /*
  * Copyright (c) 2000, 2001 Markus Friedl.  All rights reserved.
  *
@@ -398,6 +398,7 @@
 	int r;
 	char *algs;
 
+	debug("Sending SSH2_MSG_EXT_INFO");
 	if ((algs = sshkey_alg_list(0, 1, 1, ',')) == NULL)
 		return SSH_ERR_ALLOC_FAIL;
 	/* XXX filter algs list by allowed pubkey/hostbased types */
@@ -424,11 +425,11 @@
 	    (r = sshpkt_send(ssh)) != 0)
 		return r;
 	debug("SSH2_MSG_NEWKEYS sent");
-	debug("expecting SSH2_MSG_NEWKEYS");
 	ssh_dispatch_set(ssh, SSH2_MSG_NEWKEYS, &kex_input_newkeys);
-	if (ssh->kex->ext_info_c)
+	if (ssh->kex->ext_info_c && (ssh->kex->flags & KEX_INITIAL) != 0)
 		if ((r = kex_send_ext_info(ssh)) != 0)
 			return r;
+	debug("expecting SSH2_MSG_NEWKEYS");
 	return 0;
 }