linux-kernel - Re: [PATCH v2 4/4] samples: Add example of using PTRACE

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Message-ID: <20191210153555.GD22803@cisco>
Date:   Tue, 10 Dec 2019 08:35:55 -0700
From:   Tycho Andersen <tycho@...ho.ws>
To:     Christian Brauner <christian.brauner@...ntu.com>
Cc:     Oleg Nesterov <oleg@...hat.com>, Sargun Dhillon <sargun@...gun.me>,
        linux-kernel@...r.kernel.org,
        containers@...ts.linux-foundation.org, linux-api@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, jannh@...gle.com, cyphar@...har.com,
        luto@...capital.net, viro@...iv.linux.org.uk,
        Jed Davis <jld@...illa.com>,
        Gian-Carlo Pascutto <gpascutto@...illa.com>,
        Emilio Cobos Álvarez <ealvarez@...illa.com>,
        Florian Weimer <fweimer@...hat.com>
Subject: Re: [PATCH v2 4/4] samples: Add example of using PTRACE_GETFD in
 conjunction with user trap

On Tue, Dec 10, 2019 at 12:10:52PM +0100, Christian Brauner wrote:
>
> #define SECCOMP_IOCTL_NOTIF_SET_FD	SECCOMP_IOWR(4, <sensible struct>)

There's even some code already for this one:
https://lore.kernel.org/linux-fsdevel/20180927151119.9989-6-tycho@tycho.ws/

Tycho