This is a note to let you know that I've just added the patch titled
fq_codel: fix a use-after-free
to the 4.1-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
fq_codel-fix-a-use-after-free.patch
and it can be found in the queue-4.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From foo@baz Sat Sep 26 11:13:07 PDT 2015
From: WANG Cong <xiyou.wangcong@xxxxxxxxx>
Date: Mon, 13 Jul 2015 12:30:07 -0700
Subject: fq_codel: fix a use-after-free
From: WANG Cong <xiyou.wangcong@xxxxxxxxx>
[ Upstream commit 052cbda41fdc243a8d40cce7ab3a6327b4b2887e ]
Fixes: 25331d6ce42b ("net: sched: implement qstat helper routines")
Cc: John Fastabend <john.fastabend@xxxxxxxxx>
Signed-off-by: Cong Wang <xiyou.wangcong@xxxxxxxxx>
Signed-off-by: Cong Wang <cwang@xxxxxxxxxxxxxxxx>
Acked-by: Eric Dumazet <edumazet@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/sched/sch_fq_codel.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/net/sched/sch_fq_codel.c
+++ b/net/sched/sch_fq_codel.c
@@ -162,10 +162,10 @@ static unsigned int fq_codel_drop(struct
skb = dequeue_head(flow);
len = qdisc_pkt_len(skb);
q->backlogs[idx] -= len;
- kfree_skb(skb);
sch->q.qlen--;
qdisc_qstats_drop(sch);
qdisc_qstats_backlog_dec(sch, skb);
+ kfree_skb(skb);
flow->dropped++;
return idx;
}
Patches currently in stable-queue which might be from xiyou.wangcong@xxxxxxxxx are
queue-4.1/fq_codel-fix-a-use-after-free.patch
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