Re: [PATCH v2 4/4] samples: Add example of using PTRACE_GETFD in conjunction with user trap

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To: Christian Brauner <christian.brauner@xxxxxxxxxx>
Subject: Re: [PATCH v2 4/4] samples: Add example of using PTRACE_GETFD in conjunction with user trap
From: Tycho Andersen <tycho@xxxxxxxx>
Date: Tue, 10 Dec 2019 08:35:55 -0700
Cc: Oleg Nesterov <oleg@xxxxxxxxxx>, Sargun Dhillon <sargun@xxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, containers@xxxxxxxxxxxxxxxxxxxxxxxxxx, linux-api@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, jannh@xxxxxxxxxx, cyphar@xxxxxxxxxx, luto@xxxxxxxxxxxxxx, viro@xxxxxxxxxxxxxxxxxx, Jed Davis <jld@xxxxxxxxxxx>, Gian-Carlo Pascutto <gpascutto@xxxxxxxxxxx>, Emilio Cobos Álvarez <ealvarez@xxxxxxxxxxx>, Florian Weimer <fweimer@xxxxxxxxxx>
In-reply-to: <20191210111051.j5opodgjalqigx6q@wittgenstein>
User-agent: Mutt/1.10.1 (2018-07-13)

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@xxxxxxxx/

Tycho

References:
- [PATCH v2 4/4] samples: Add example of using PTRACE_GETFD in conjunction with user trap
  - From: Sargun Dhillon
- Re: [PATCH v2 4/4] samples: Add example of using PTRACE_GETFD in conjunction with user trap
  - From: Oleg Nesterov
- Re: [PATCH v2 4/4] samples: Add example of using PTRACE_GETFD in conjunction with user trap
  - From: Christian Brauner
- Re: [PATCH v2 4/4] samples: Add example of using PTRACE_GETFD in conjunction with user trap
  - From: Oleg Nesterov
- Re: [PATCH v2 4/4] samples: Add example of using PTRACE_GETFD in conjunction with user trap
  - From: Christian Brauner

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