Commit baafc77b authored by Saurabh Mohan's avatar Saurabh Mohan Committed by David S. Miller

net/ipv4: ip_vti clear skb cb before tunneling.

If users apply shaper to vti tunnel then it will cause a kernel crash. The
problem seems to be due to the vti_tunnel_xmit function not clearing
skb->opt field before passing the packet to xfrm tunneling code.
Signed-off-by: default avatarSaurabh Mohan <saurabh@vyatta.com>
Acked-by: default avatarStephen Hemminger <stephen@networkplumber.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent df465abf
......@@ -361,8 +361,7 @@ static netdev_tx_t vti_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
tunnel->err_count = 0;
}
IPCB(skb)->flags &= ~(IPSKB_XFRM_TUNNEL_SIZE | IPSKB_XFRM_TRANSFORMED |
IPSKB_REROUTED);
memset(IPCB(skb), 0, sizeof(*IPCB(skb)));
skb_dst_drop(skb);
skb_dst_set(skb, &rt->dst);
nf_reset(skb);
......
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