tree d51586384591ba1fe57c856f3cb98d1a9d0be25d
parent 6083f1625b75a9c711ab14e95f581fc2bb8e3710
author Haishuang Yan <yanhaishuang@cmss.chinamobile.com> 1496558623 +0800
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1523641699 +0200

sit: reload iphdr in ipip6_rcv


[ Upstream commit b699d0035836f6712917a41e7ae58d84359b8ff9 ]

Since iptunnel_pull_header() can call pskb_may_pull(),
we must reload any pointer that was related to skb->head.

Fixes: a09a4c8dd1ec ("tunnels: Remove encapsulation offloads on decap")
Signed-off-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>