From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.2 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8DCE5C43603 for ; Tue, 10 Dec 2019 15:36:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 64DDB20836 for ; Tue, 10 Dec 2019 15:36:01 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=tycho-ws.20150623.gappssmtp.com header.i=@tycho-ws.20150623.gappssmtp.com header.b="dLr9mxK5" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727519AbfLJPf5 (ORCPT ); Tue, 10 Dec 2019 10:35:57 -0500 Received: from mail-pf1-f195.google.com ([209.85.210.195]:44299 "EHLO mail-pf1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727506AbfLJPf5 (ORCPT ); Tue, 10 Dec 2019 10:35:57 -0500 Received: by mail-pf1-f195.google.com with SMTP id d199so16767pfd.11 for ; Tue, 10 Dec 2019 07:35:57 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tycho-ws.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=2fl7MawNYz3ZkzAynbewcYICAZpqfTz/726fJLPlUqY=; b=dLr9mxK51zZV+Yu2FI7AUlxZvrxRgKsin4pzn22uIL01caSkZBm0F9Ej0HqRbj5Ntw iDS6aVTPjxYGrCnHxfnEPz5AupmhMGnJaNwJTqAZscAogtCDNRi3ntrAWDd6j+BA31d/ 7NN8HG2uotdH5Nd3+DKTuPRACNDQeoB6p/OWfLJbHnG3ssvxaZUBQ7a3hPexwP8R5Mtc EBKv51edPLT/5zNFy9pcCQCOTKJJ4Y6ab0sKXDFvOsWZGqCbOCSV4gXmTF5IdvqzZqdX 0e+owlJwnLoGMrXgLvZSoQrSiJBGrWSDpWokCd0zk2HZpmOoGYw2jidyJr5yhDTicMB+ Gf8g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=2fl7MawNYz3ZkzAynbewcYICAZpqfTz/726fJLPlUqY=; b=FozBQ8VP0AAduxY07gVGUTuUvh6hAN3BKDp4+3Hzxbk1VDH7qPjJwOfHnIp7t1d/1A kb8nOTcELvb1fcv+RyMPUhSyCN50+9kLoTyaLnDrXJefNZ6TIdhulBYlp1paVJ00uL6g ldydrGYJCWaHzdJk4weHfn9m4C0FMoRnj39wUe4rU/m+Hyv06KVpfunj1tqhKWBtb3b5 QlhxPIahJ81q+KZyIy0odLcEpLXHmUcN+2grQvDVn7SC9VHkYwdqVuIR4Idix3Hzy3/m zic13RHXN1aziA46OHVXq7QaOeY8Q0b362FgJ5g2DIh1LAdHOklE0WDxB6ux8m/zhzPo JjXg== X-Gm-Message-State: APjAAAWrdFVi2rhOfsfDK78xGSn2y5tBT5NQ7ctJmIzj9as1w1vl12uN Msw/gNeTv5ibHx71tEmwqkGTfw== X-Google-Smtp-Source: APXvYqw+0QHiTBM7Qw/N1xP/7gvnoWtJZQTrHTkAPTM1Ce7db9yrq1cTc2dYcF2z10B/9s1kz9bM6g== X-Received: by 2002:aa7:9f9b:: with SMTP id z27mr36066045pfr.102.1575992156359; Tue, 10 Dec 2019 07:35:56 -0800 (PST) Received: from cisco ([2601:282:902:b340:b1ae:d960:d4d7:eda9]) by smtp.gmail.com with ESMTPSA id e12sm1501838pjs.3.2019.12.10.07.35.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Dec 2019 07:35:55 -0800 (PST) Date: Tue, 10 Dec 2019 08:35:55 -0700 From: Tycho Andersen To: Christian Brauner Cc: Oleg Nesterov , Sargun Dhillon , linux-kernel@vger.kernel.org, containers@lists.linux-foundation.org, linux-api@vger.kernel.org, linux-fsdevel@vger.kernel.org, jannh@google.com, cyphar@cyphar.com, luto@amacapital.net, viro@zeniv.linux.org.uk, Jed Davis , Gian-Carlo Pascutto , Emilio Cobos =?iso-8859-1?Q?=C1lvarez?= , Florian Weimer Subject: Re: [PATCH v2 4/4] samples: Add example of using PTRACE_GETFD in conjunction with user trap Message-ID: <20191210153555.GD22803@cisco> References: <20191209070646.GA32477@ircssh-2.c.rugged-nimbus-611.internal> <20191209192959.GB10721@redhat.com> <20191209204635.GC10721@redhat.com> <20191210111051.j5opodgjalqigx6q@wittgenstein> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191210111051.j5opodgjalqigx6q@wittgenstein> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On Tue, Dec 10, 2019 at 12:10:52PM +0100, Christian Brauner wrote: > > #define SECCOMP_IOCTL_NOTIF_SET_FD SECCOMP_IOWR(4, ) There's even some code already for this one: https://lore.kernel.org/linux-fsdevel/20180927151119.9989-6-tycho@tycho.ws/ Tycho