Haishuang Yan 01f5bffad5 ip6_tunnel: fix possible use-after-free on xmit
ip4ip6/ip6ip6 tunnels run iptunnel_handle_offloads on xmit which
can cause a possible use-after-free accessing iph/ipv6h pointer
since the packet will be 'uncloned' running pskb_expand_head if
it is a cloned gso skb.

Fixes: 0e9a709560db ("ip6_tunnel, ip6_gre: fix setting of DSCP on encapsulated packets")
Signed-off-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-26 14:17:44 -07:00
..
2019-07-12 17:31:19 -07:00
2019-07-12 16:03:16 -07:00
2019-07-18 11:05:25 -07:00
2019-07-21 11:41:01 -07:00
2019-07-15 20:44:49 -07:00