queue-3.18/ipv6-fix-endianness-error-in-icmpv6_err.patch

   1 From a2535c89d07766223b7f5f476552b2b75c146c65 Mon Sep 17 00:00:00 2001
   2 From: Hannes Frederic Sowa <hannes@stressinduktion.org>
   3 Date: Sat, 11 Jun 2016 20:32:06 +0200
   4 Subject: ipv6: fix endianness error in icmpv6_err
   5
   6 [ Upstream commit dcb94b88c09ce82a80e188d49bcffdc83ba215a6 ]
   7
   8 IPv6 ping socket error handler doesn't correctly convert the new 32 bit
   9 mtu to host endianness before using.
  10
  11 Cc: Lorenzo Colitti <lorenzo@google.com>
  12 Fixes: 6d0bfe22611602f ("net: ipv6: Add IPv6 support to the ping socket.")
  13 Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
  14 Acked-by: Lorenzo Colitti <lorenzo@google.com>
  15 Signed-off-by: David S. Miller <davem@davemloft.net>
  16 Signed-off-by: Sasha Levin <sashal@kernel.org>
  17 ---
  18  net/ipv6/icmp.c | 2 +-
  19  1 file changed, 1 insertion(+), 1 deletion(-)
  20
  21 diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
  22 index 97ae70077a4f..3b5c265dcb1d 100644
  23 --- a/net/ipv6/icmp.c
  24 +++ b/net/ipv6/icmp.c
  25 @@ -97,7 +97,7 @@ static void icmpv6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
  26
  27         if (!(type & ICMPV6_INFOMSG_MASK))
  28                 if (icmp6->icmp6_type == ICMPV6_ECHO_REQUEST)
  29 -                       ping_err(skb, offset, info);
  30 +                       ping_err(skb, offset, ntohl(info));
  31  }
  32
  33  static int icmpv6_rcv(struct sk_buff *skb);
  34 --
  35 2.19.1
  36