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| Started by | Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
|---|---|
| First post | 2015-10-23 20:20 +0200 |
| Last post | 2015-10-23 20:20 +0200 |
| Articles | 1 — 1 participant |
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[PATCH 4.2 15/54] act_mirred: clear sender cpu before sending to tx Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-10-23 20:20 +0200
| From | Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
|---|---|
| Date | 2015-10-23 20:20 +0200 |
| Subject | [PATCH 4.2 15/54] act_mirred: clear sender cpu before sending to tx |
| Message-ID | <qmP6B-Po-71@gated-at.bofh.it> |
4.2-stable review patch. If anyone has any objections, please let me know.
------------------
From: WANG Cong <xiyou.wangcong@gmail.com>
[ 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>
---
net/sched/act_mirred.c | 1 +
1 file changed, 1 insertion(+)
--- a/net/sched/act_mirred.c
+++ b/net/sched/act_mirred.c
@@ -168,6 +168,7 @@ 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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