Commit d40496a5 authored Oct 06, 2015 by WANG Cong Committed by David S. Miller Oct 08, 2015

act_mirred: clear sender cpu before sending to tx

Similar to commit c29390c6 ("xps: must clear sender_cpu before forwarding")
the skb->sender_cpu needs to be cleared when moving from Rx
Tx, otherwise kernel could crash.

Fixes: 2bd82484 ("xps: fix xps for stacked devices")
Cc: Eric Dumazet <edumazet@google.com>
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Cong Wang <cwang@twopensource.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent c72eda06

net/sched/act_mirred.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -179,6 +179,7 @@ static int tcf_mirred(struct sk_buff skb, const struct tc_action a,

		skb2->skb_iif = skb->dev->ifindex;
		skb2->dev = dev;
		skb_sender_cpu_clear(skb2);
		err = dev_queue_xmit(skb2);

		if (err) {