From d40496a56430eac0d330378816954619899fe303 Mon Sep 17 00:00:00 2001
From: WANG Cong <xiyou.wangcong@gmail.com>
Date: Tue, 6 Oct 2015 17:23:47 -0700
Subject: act_mirred: clear sender cpu before sending to tx

Similar to commit c29390c6dfee ("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: 2bd82484bb4c ("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>
---
 net/sched/act_mirred.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'net/sched/act_mirred.c')

diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c
index 2efaf4ee6040..32fcdecdb9e2 100644
--- a/net/sched/act_mirred.c
+++ b/net/sched/act_mirred.c
@@ -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) {
-- 
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