-stable review patch. If anyone has any objections, please let us know.
------------------
From: Herbert Xu <[email protected]>
The skb_postpull_rcsum introduced a bug to the checksum modification.
Although the length pulled is offset bytes, the origin of the pulling
is the GRE header, not the IP header.
Signed-off-by: Herbert Xu <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Chris Wright <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
net/ipv4/ip_gre.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- linux-2.6.14.4.orig/net/ipv4/ip_gre.c
+++ linux-2.6.14.4/net/ipv4/ip_gre.c
@@ -617,7 +617,7 @@ static int ipgre_rcv(struct sk_buff *skb
skb->mac.raw = skb->nh.raw;
skb->nh.raw = __pskb_pull(skb, offset);
- skb_postpull_rcsum(skb, skb->mac.raw, offset);
+ skb_postpull_rcsum(skb, skb->h.raw, offset);
memset(&(IPCB(skb)->opt), 0, sizeof(struct ip_options));
skb->pkt_type = PACKET_HOST;
#ifdef CONFIG_NET_IPGRE_BROADCAST
--
-
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