netdev - Re: [PATCH net 9/9] sch_tbf: fix two null pointer dereferences on init failure

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Message-ID: <CAM_iQpWn_q4CaOKhw7nxFR40V2JaVwr_5kx-ZUpdFxPa4hxKyA@mail.gmail.com>
Date:   Wed, 30 Aug 2017 10:37:53 -0700
From:   Cong Wang <xiyou.wangcong@...il.com>
To:     Nikolay Aleksandrov <nikolay@...ulusnetworks.com>
Cc:     Linux Kernel Network Developers <netdev@...r.kernel.org>,
        Eric Dumazet <edumazet@...gle.com>,
        Jamal Hadi Salim <jhs@...atatu.com>,
        Jiri Pirko <jiri@...nulli.us>,
        Roopa Prabhu <roopa@...ulusnetworks.com>
Subject: Re: [PATCH net 9/9] sch_tbf: fix two null pointer dereferences on
 init failure

On Wed, Aug 30, 2017 at 2:49 AM, Nikolay Aleksandrov
<nikolay@...ulusnetworks.com> wrote:
> Reproduce:
> $ sysctl net.core.default_qdisc=tbf
> $ ip l set ethX up

I once upon a time had a patch to disallow those qdisc's
to be default. Probably I should resend it.