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=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS 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 A1F9FC4338F for ; Thu, 29 Jul 2021 14:54:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 882EA60EC0 for ; Thu, 29 Jul 2021 14:54:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237461AbhG2Oyi (ORCPT ); Thu, 29 Jul 2021 10:54:38 -0400 Received: from wnew2-smtp.messagingengine.com ([64.147.123.27]:36065 "EHLO wnew2-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229864AbhG2Oyh (ORCPT ); Thu, 29 Jul 2021 10:54:37 -0400 Received: from compute3.internal (compute3.nyi.internal [10.202.2.43]) by mailnew.west.internal (Postfix) with ESMTP id 5E59B2B011C1; Thu, 29 Jul 2021 10:54:33 -0400 (EDT) Received: from imap44 ([10.202.2.94]) by compute3.internal (MEProxy); Thu, 29 Jul 2021 10:54:33 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=johnericson.me; h=mime-version:message-id:in-reply-to:references:date:from:to :cc:subject:content-type; s=fm3; bh=k76RUZpT+yXq9JfoZ3nl1UjqDvth +gVcjMm7CyMdORc=; b=OkSINz24DReO2X8KmP7INsQgu9fu3HV80Q+ubVZ++qYd NPi6YmOf+rk0m8f9HkHdOAhsV9/zd8m8pWcsL4Tdehh7wQqbb+jL3Ms0P7FSK005 A8qdPJjalSWSybrlxEjtxJ2xhphlzjFkQJHETKV0DZrgzWIP48m60Gqz4m2ruG/1 rzJas31a15CWEjP1NSNNYo/SjIMws19kBBcGZOYrpNXA9bz2Cn/Yfko1CfqBeC5M 9WBXOzy7FdnnK70GintxZEKq0bUydpAw4V3BsYOhjjpyWTW4n8gwNd3LD+iMfr6J eKzBA6yotdjynd4uFFM495rlZGQTdxbvitT6dBumVw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-me-proxy :x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm3; bh=k76RUZ pT+yXq9JfoZ3nl1UjqDvth+gVcjMm7CyMdORc=; b=Ea/YojnyJCFCk1RAHynM3s gqBC1hSQp3HTeiL/Hoauv1wSyx+JLS+Peaodmxsl8SGD+OFqxy9vzMw7f0y4c/bx Z0zHizatOCEotFVw8ht3vELUf56sZn9ydmKJuYtAqaYm2ZjRuGE8D0VCxh9jmF1a vZI0GWoR72FX3TMV7EPdAi3RruRix5sHLZBjEBmxuMAFwH9n/6MHUMZKc2qRwpl6 hi3M48A0X9+TTF+Nm90qDYlMa6Y9utXs7p3Y3BoTSXhahqA4DE6hKXdoQaB5VQ06 MStU0C68pyysZybZy5ikEy7YPbnUwvJ2FqbWwg6qCTZ/llH+ea+Meq9921Yc72UA == X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvtddrheefgdegudcutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenuc fjughrpefofgggkfgjfhffhffvufgtsehttdertderredtnecuhfhrohhmpedflfhohhhn ucfgrhhitghsohhnfdcuoehlihhsthesjhhohhhnvghrihgtshhonhdrmhgvqeenucggtf frrghtthgvrhhnpedvhedtvedtiefhieefleelteehgfduveehteevveelieetheektdei keeiheejjeenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhgrihhlfhhroh hmpehlihhsthesjhhohhhnvghrihgtshhonhdrmhgv X-ME-Proxy: Received: by mailuser.nyi.internal (Postfix, from userid 501) id DC198FA0AA4; Thu, 29 Jul 2021 10:54:31 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.5.0-alpha0-545-g7a4eea542e-fm-20210727.001-g7a4eea54 Mime-Version: 1.0 Message-Id: In-Reply-To: <20210729142415.qovpzky537zkg3dp@wittgenstein> References: <20210729142415.qovpzky537zkg3dp@wittgenstein> Date: Thu, 29 Jul 2021 10:54:08 -0400 From: "John Ericson" To: "Christian Brauner" Cc: LKML , "David Laight" , "Andy Lutomirski" , "Jason A. Donenfeld" , "Kernel Hardening" , "Jann Horn" , "Christian Brauner" Subject: Re: Leveraging pidfs for process creation without fork Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Wonderful, looking forward to it reading it then! John On Thu, Jul 29, 2021, at 10:24 AM, Christian Brauner wrote: > On Wed, Jul 28, 2021 at 12:37:57PM -0400, John Cotton Ericson wrote: > > Hi, > > > > I was excited to learn about about pidfds the other day, precisely in hopes > > that it would open the door to such a "sane process creation API". I > > searched the LKML, found this thread, and now hope to rekindle the > > discussion; my apologies if there has been more discussion since that I > > Yeah, I haven't forgotten this discussion. A proposal is on my todo list > for this year. So far I've scheduled some time to work on this in the > fall. > > Thanks! > Christian