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Message-Id: <20130304033719.902945622@decadent.org.uk>
Date: Mon, 04 Mar 2013 03:39:12 +0000
From: Ben Hutchings <ben@...adent.org.uk>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc: akpm@...ux-foundation.org, Li Wei <lw@...fujitsu.com>,
"David S. Miller" <davem@...emloft.net>
Subject: [ 125/153] ipv4: fix a bug in ping_err().
3.2-stable review patch. If anyone has any objections, please let me know.
------------------
From: Li Wei <lw@...fujitsu.com>
[ Upstream commit b531ed61a2a2a77eeb2f7c88b49aa5ec7d9880d8 ]
We should get 'type' and 'code' from the outer ICMP header.
Signed-off-by: Li Wei <lw@...fujitsu.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
net/ipv4/ping.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
index 43d4c3b..294a380 100644
--- a/net/ipv4/ping.c
+++ b/net/ipv4/ping.c
@@ -321,8 +321,8 @@ void ping_err(struct sk_buff *skb, u32 info)
struct iphdr *iph = (struct iphdr *)skb->data;
struct icmphdr *icmph = (struct icmphdr *)(skb->data+(iph->ihl<<2));
struct inet_sock *inet_sock;
- int type = icmph->type;
- int code = icmph->code;
+ int type = icmp_hdr(skb)->type;
+ int code = icmp_hdr(skb)->code;
struct net *net = dev_net(skb->dev);
struct sock *sk;
int harderr;
--
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