From: Cong Wang <xiyou.wangcong@gmail.com>
To: "Toke Høiland-Jørgensen" <toke@toke.dk>
Cc: "Linux Kernel Network Developers" <netdev@vger.kernel.org>,
"Cake List" <cake@lists.bufferbloat.net>,
"Toke Høiland-Jørgensen" <toke@redhat.com>
Subject: Re: [Cake] [PATCH 1/4] sched: Avoid dereferencing skb pointer after child enqueue
Date: Tue, 8 Jan 2019 17:38:55 -0800 [thread overview]
Message-ID: <CAM_iQpVcw3+Crg_1vR4sPfG2v+arQVMY2yzBjp7yw296xCaN6Q@mail.gmail.com> (raw)
In-Reply-To: <20190107194733.31138-2-toke@toke.dk>
On Mon, Jan 7, 2019 at 11:50 AM Toke Høiland-Jørgensen <toke@toke.dk> wrote:
> @@ -1254,7 +1256,7 @@ static int qfq_enqueue(struct sk_buff *skb, struct Qdisc *sch,
> if (cl->qdisc->q.qlen != 1) {
> if (unlikely(skb == cl->qdisc->ops->peek(cl->qdisc)) &&
Isn't this comparison problematic too? While you are on it...
next prev parent reply other threads:[~2019-01-09 1:39 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-07 19:47 [Cake] [PATCH 0/4] sched: Fix qdisc interactions exposed by using sch_cake as a leaf qdisc Toke Høiland-Jørgensen
2019-01-07 19:47 ` [Cake] [PATCH 1/4] sched: Avoid dereferencing skb pointer after child enqueue Toke Høiland-Jørgensen
2019-01-09 1:38 ` Cong Wang [this message]
2019-01-09 8:14 ` Toke Høiland-Jørgensen
2019-01-10 18:16 ` Cong Wang
2019-01-07 19:47 ` [Cake] [PATCH 2/4] sched: Fix detection of empty queues in child qdiscs Toke Høiland-Jørgensen
2019-01-07 19:57 ` Dave Taht
2019-01-07 19:47 ` [Cake] [PATCH 3/4] sch_api: Allow reducing queue backlog by a negative value Toke Høiland-Jørgensen
2019-01-07 20:54 ` Eric Dumazet
2019-01-08 9:55 ` Toke Høiland-Jørgensen
2019-01-07 19:47 ` [Cake] [PATCH 4/4] sch_cake: Correctly update parent qlen when splitting GSO packets Toke Høiland-Jørgensen
2019-01-08 21:30 ` [Cake] [PATCH 0/4] sched: Fix qdisc interactions exposed by using sch_cake as a leaf qdisc David Miller
2019-01-09 8:37 ` Toke Høiland-Jørgensen
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