File grub2-net-icmp6-fix-no-respond-to-neighbor-solicit-message.patch of Package grub2.2174

From 72ec399ad8d6348b6c74ea63d80c79784c8b84ae Mon Sep 17 00:00:00 2001
From: Michael Chang <mchang@suse.com>
Date: Mon, 3 Nov 2014 16:27:45 +0800
Subject: [PATCH 1/2] icmp6 fix no respond to neighbor solicit message

The structure size used in grub_netbuff_pull to get the pointer to
option header is apparently wrong, which leads to subsequent range check
failed and therefore not responding to any neighbor solicit message in my
testing.
---
 ChangeLog             |    5 +++++
 grub-core/net/icmp6.c |    2 +-
 2 files changed, 6 insertions(+), 1 deletions(-)

Index: grub-2.02~beta2/grub-core/net/icmp6.c
===================================================================
--- grub-2.02~beta2.orig/grub-core/net/icmp6.c
+++ grub-2.02~beta2/grub-core/net/icmp6.c
@@ -205,7 +205,7 @@ grub_net_recv_icmp6_packet (struct grub_
 	if (ttl != 0xff)
 	  break;
 	nbh = (struct neighbour_solicit *) nb->data;
-	err = grub_netbuff_pull (nb, sizeof (struct router_adv));
+	err = grub_netbuff_pull (nb, sizeof (*nbh));
 	if (err)
 	  {
 	    grub_netbuff_free (nb);