netdev - Re: [net-next v3 1/2] bpf, seccomp: Add eBPF filter capabilities

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Message-ID: <CAMp4zn9GbFXF9QW6fuaR7ONgtb-Dg_ookhV=2MLQ7u160XwYHw@mail.gmail.com>
Date:   Mon, 5 Mar 2018 14:51:04 -0800
From:   Sargun Dhillon <sargun@...gun.me>
To:     Tycho Andersen <tycho@...ho.ws>
Cc:     Andy Lutomirski <luto@...capital.net>,
        Network Development <netdev@...r.kernel.org>,
        Linux Containers <containers@...ts.linux-foundation.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Kees Cook <keescook@...omium.org>,
        Will Drewry <wad@...omium.org>,
        Jessica Frazelle <me@...sfraz.com>,
        Brian Goff <cpuguy83@...il.com>,
        Tom Hromatka <tom.hromatka@...cle.com>,
        James Morris <jmorris@...ei.org>
Subject: Re: [net-next v3 1/2] bpf, seccomp: Add eBPF filter capabilities

On Mon, Mar 5, 2018 at 8:10 AM, Tycho Andersen <tycho@...ho.ws> wrote:
> Hi Andy,
>
> On Thu, Mar 01, 2018 at 10:05:47PM +0000, Andy Lutomirski wrote:
>> But Tycho: would hooking user notifiers in right here work for you?
>> As I see it, this would be the best justification for seccomp eBPF.
>
> Sorry for the delay; Sargun had declared on irc that he was going to
> implement it, so I didn't look into it. I think the basics will work,
> but I haven't invested the time to look into it given the above.
>
> Sargun, are you still planning to look at this? What's your timeline?
>
> Cheers,
>
> Tycho
Still working on this. I don't really have a timeline. I think I'll
get to share a prototype by the end of the week. I'm trying to come up
with a common mechanism to do this for multiple types of filters.