Received: by 2002:a05:6a10:1287:0:0:0:0 with SMTP id d7csp6140534pxv; Thu, 29 Jul 2021 07:26:54 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwo+n2aFS/mTfFfUsoSux/PiC0KiucM7RSiXq04zPsYY1pCNWQaiykF0HZrIWMe0UF8d3Wo X-Received: by 2002:a92:6610:: with SMTP id a16mr3717832ilc.71.1627568814761; Thu, 29 Jul 2021 07:26:54 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1627568814; cv=none; d=google.com; s=arc-20160816; b=i7c69L+0zZa2T7e1c+HcHhSPmzbs/NcnzkLgjwjyUWRKXiqh1hh35s75SrhkPi8u92 wQKiVxlyh/I8yVQCQJrECMTumWrcxhbHFWaG0XMsaGpxB5jNm0xZ5gDeM3XfnBKW4ZRk YtfJckOMv/1+c6/pdBS09jGdbweDinmsZpp/ikzjF4IIJHTGaZXPJgQwy9IderK+hkJB q+Ij8YoBg9p/xi5JRQ9rADyuwbFyadQ9d+aSr3q/KaiVuGDthH3I0I+UB+t74k9A/Req 6Rs2gOzgLIFvrMvH+cNRbrZYjMzIAFZCD0ivx81wGflt7C3uhntZOt8etBXW/DN2nHz8 gQfw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date; bh=n41X1pXb9iXde8+fG7U113nV04xNZ87DdSvyjWNlwr8=; b=rEI7W3zBCG1ikUq5ylDZ6MpMFx5oVYMSxMEd7v6TrQXt1OXYQ6nmcKj2BO22Xu84hj F075Jbqr0CSKgI0rfkBPLbtS1lwEvgm1cUm1dUtn89FVpd75ZuglC2Av4l4nD4oLhlyF x8nWryz8s3lPE5myzdYBTno0V8FuEsAKThh4/p0dFchce4gkK0fUXXrgvdJuZ6Tw7Se5 fx2YUJqcjmrXngRXA0JG0vy0k4Mt8AV788JYxo4nD4dWvYmzGHIasg1/dRwtBZzskT2j jURMfflnrDmRfU3uEymDWokHMIp6sb6XAWRmVxn20yulKnXCHt6PmExxvaOY/QiGRZOe 79Hg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id x7si4333004ilu.63.2021.07.29.07.26.39; Thu, 29 Jul 2021 07:26:54 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237360AbhG2OYY (ORCPT + 99 others); Thu, 29 Jul 2021 10:24:24 -0400 Received: from mail.kernel.org ([198.145.29.99]:37740 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237350AbhG2OYX (ORCPT ); Thu, 29 Jul 2021 10:24:23 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 3F90460560; Thu, 29 Jul 2021 14:24:18 +0000 (UTC) Date: Thu, 29 Jul 2021 16:24:15 +0200 From: Christian Brauner To: John Cotton Ericson Cc: LKML , David Laight , Andy Lutomirski , "Jason A. Donenfeld" , Kernel Hardening , Jann Horn , Christian Brauner Subject: Re: Leveraging pidfs for process creation without fork Message-ID: <20210729142415.qovpzky537zkg3dp@wittgenstein> References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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