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authorWANG Cong <xiyou.wangcong@gmail.com>2015-10-06 17:23:47 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-10-27 09:51:51 +0900
commit3043def89ac220e0719f0c1b97f27b139a44f2b5 (patch)
tree0e570f2e43212ce126ed0681c05bd602bfa20a94
parentbc845f677c04e09fa988ac95ce3f335df9d2ba0b (diff)
act_mirred: clear sender cpu before sending to tx
[ 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@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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--net/sched/act_mirred.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c
index 3f63ceac8e01..844dd85426dc 100644
--- a/net/sched/act_mirred.c
+++ b/net/sched/act_mirred.c
@@ -166,6 +166,7 @@ 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);
out: