From 8ed4de8f1dcebddd7edc0dd3c10f1cb947d831eb Mon Sep 17 00:00:00 2001
From: Damien Miller <djm@mindrot.org>
Date: Mon, 19 Dec 2011 10:52:50 +1100
Subject:    - djm@cvs.openbsd.org 2011/12/07 05:44:38      [auth2.c dh.c
 packet.c roaming.h roaming_client.c roaming_common.c]      fix some harmless
 and/or unreachable int overflows;      reported Xi Wang, ok markus@

---
 dh.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'dh.c')

diff --git a/dh.c b/dh.c
index b9029d86..d943ca1e 100644
--- a/dh.c
+++ b/dh.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: dh.c,v 1.48 2009/10/01 11:37:33 grunk Exp $ */
+/* $OpenBSD: dh.c,v 1.49 2011/12/07 05:44:38 djm Exp $ */
 /*
  * Copyright (c) 2000 Niels Provos.  All rights reserved.
  *
@@ -236,6 +236,8 @@ dh_gen_key(DH *dh, int need)
 {
 	int i, bits_set, tries = 0;
 
+	if (need < 0)
+		fatal("dh_gen_key: need < 0");
 	if (dh->p == NULL)
 		fatal("dh_gen_key: dh->p == NULL");
 	if (need > INT_MAX / 2 || 2 * need >= BN_num_bits(dh->p))
-- 
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