Commit 052cbda4 authored Jul 13, 2015 by WANG Cong Committed by David S. Miller Jul 15, 2015

fq_codel: fix a use-after-free



Fixes: 25331d6c ("net: sched: implement qstat helper routines")
Cc: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Cong Wang <cwang@twopensource.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent f82b681a

net/sched/sch_fq_codel.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -155,10 +155,10 @@ static unsigned int fq_codel_drop(struct Qdisc *sch)
		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;
		}