On Thu, Nov 29, 2018 at 3:54 PM David Miller <da...@davemloft.net> wrote: > > From: Eric Dumazet <eric.duma...@gmail.com> > Date: Thu, 29 Nov 2018 15:09:18 -0800 > > > diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c > > index > > 2c38e3d0792468162ee0dc4137f1400160ab9276..22cd46a600576f286803536d45875cd9d537cdca > > 100644 > > --- a/net/sched/sch_netem.c > > +++ b/net/sched/sch_netem.c > > @@ -431,6 +431,9 @@ static int netem_enqueue(struct sk_buff *skb, struct > > Qdisc *sch, > > int count = 1; > > int rc = NET_XMIT_SUCCESS; > > > > + /* Do not fool qdisc_drop_all() */ > > + skb->prev = NULL; > > + > > /* Random duplication */ > > if (q->duplicate && q->duplicate >= get_crandom(&q->dup_cor)) > > ++count; > > If this works I definitely prefer it to making the entire stack pay the > price to fix this crash.
Yes, I tried it out and it works. Christoph
