4.1-stable review patch. If anyone has any objections, please let me know.
------------------
From: WANG Cong <xiyou.wangcong@xxxxxxxxx>
[ Upstream commit d40496a56430eac0d330378816954619899fe303 ]
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@xxxxxxxxxx>
Cc: Jamal Hadi Salim <jhs@xxxxxxxxxxxx>
Signed-off-by: Cong Wang <cwang@xxxxxxxxxxxxxxxx>
Signed-off-by: Cong Wang <xiyou.wangcong@xxxxxxxxx>
Acked-by: Eric Dumazet <edumazet@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/sched/act_mirred.c | 1 +
1 file changed, 1 insertion(+)
--- a/net/sched/act_mirred.c
+++ b/net/sched/act_mirred.c
@@ -166,6 +166,7 @@ static int tcf_mirred(struct sk_buff *sk
skb2->skb_iif = skb->dev->ifindex;
skb2->dev = dev;
+ skb_sender_cpu_clear(skb2);
err = dev_queue_xmit(skb2);
out:
--
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