Received: by 2002:a25:868d:0:0:0:0:0 with SMTP id z13csp3327149ybk; Tue, 19 May 2020 01:41:44 -0700 (PDT) X-Google-Smtp-Source: ABdhPJw3ow/pnnqzqvIG7a9D5xwoiFpVvIZUEcZH0ROs3w4JjrgVvhzW44+I/bgu+BBJ09X7sKC3 X-Received: by 2002:a17:906:6055:: with SMTP id p21mr18570425ejj.316.1589877704309; Tue, 19 May 2020 01:41:44 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1589877704; cv=none; d=google.com; s=arc-20160816; b=fqO5YNVE5f2rWdF+98wEdjaoTnwGXqMNiH3v1zYfNgxs6WMoCnSMPDnVbVB+EMNG1G QmzqkQ0wlxW+xHI+SXNLG6fGR1dKfj5tsgc1IW38iKtxm2B4u9mB1THsILBJCUe5s7lj ZD5NOEHH0OT1izrtYQFM4xamDoZ3a4qxILhDgh8GkmehF9GBWNI65hceUE60DX+Tkuby b+5nza3hw8CJsNM5vw80MalOWXn2MJHKAUI2YCHAlP4Qp+o0DRRCtdaaaPnnoDMlVcha sT2UXjJRCOC+rbRk5evaw5digduYpYOGL2eXTsEnBB0eBnoPukHvdQd20obevCJag6lr 5CGw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:user-agent:message-id :in-reply-to:date:references:subject:cc:to:from; bh=5zoDgeLWdoSuYiPabthBva9F1aD9sDTA21cZxQ4llB0=; b=tUQpEN2a9OHwWkQq+VPDqLVRGPjON5S1Gtecyzet5Vx5+N4hFjSgWYmR2/TFt2VOVa YSQcryoz8lZR0QKbXMpefjJBGcBIcvflTSqgFSw9KIWlDIv+EiFuIWaf5oYshKmvk8U7 pfyvEFdWlZXqIrgkSQtmjuh0Glxz4Ejtg8iXhkldxu1mzUZINCyGK8ZkLMyiZQA8yZq0 hRp/qYNwMLTjMeJuDxR2NdhhrLuo8ZJsS1m7q73VzpB412vITLeKt1Qf2R4UNU1k6nqi xctT8xoDms7Srllz8RE0OCay+XlUcqmfnNcLd/i6Tdl90+WQh1NvglNCC5f43rE/7eG+ YlcA== 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 l16si4504089edj.436.2020.05.19.01.41.21; Tue, 19 May 2020 01:41:44 -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 S1728286AbgESIhe (ORCPT + 99 others); Tue, 19 May 2020 04:37:34 -0400 Received: from mail-out.m-online.net ([212.18.0.9]:40654 "EHLO mail-out.m-online.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726880AbgESIhc (ORCPT ); Tue, 19 May 2020 04:37:32 -0400 Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 49R8QK0Grqz1qrf4; Tue, 19 May 2020 10:37:29 +0200 (CEST) Received: from localhost (dynscan1.mnet-online.de [192.168.6.70]) by mail.m-online.net (Postfix) with ESMTP id 49R8QJ5zQ7z1qsq7; Tue, 19 May 2020 10:37:28 +0200 (CEST) X-Virus-Scanned: amavisd-new at mnet-online.de Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.70]) (amavisd-new, port 10024) with ESMTP id slUeY5zBMP1u; Tue, 19 May 2020 10:37:27 +0200 (CEST) X-Auth-Info: FqBIyAr0MyUGIS5Ip8Q7OSzRYusW2FcZjUE71QeBiiTFJFnlwZ4bNMhWHvnp6j06 Received: from igel.home (ppp-46-244-171-2.dynamic.mnet-online.de [46.244.171.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.mnet-online.de (Postfix) with ESMTPSA; Tue, 19 May 2020 10:37:27 +0200 (CEST) Received: by igel.home (Postfix, from userid 1000) id C49402C0C39; Tue, 19 May 2020 10:37:26 +0200 (CEST) From: Andreas Schwab To: ebiederm@xmission.com (Eric W. Biederman) Cc: Christian Brauner , Jann Horn , Kees Cook , Al Viro , Andrew Morton , Tetsuo Handa , Eric Biggers , Dmitry Vyukov , linux-fsdevel , linux-security-module , Linux API , kernel list Subject: Re: [PATCH 1/4] exec: Change uselib(2) IS_SREG() failure to EACCES References: <20200518055457.12302-1-keescook@chromium.org> <20200518055457.12302-2-keescook@chromium.org> <20200518130251.zih2s32q2rxhxg6f@wittgenstein> <20200518144627.sv5nesysvtgxwkp7@wittgenstein> <87blmk3ig4.fsf@x220.int.ebiederm.org> X-Yow: Two with FLUFFO, hold th' BEETS..side of SOYETTES! Date: Tue, 19 May 2020 10:37:26 +0200 In-Reply-To: <87blmk3ig4.fsf@x220.int.ebiederm.org> (Eric W. Biederman's message of "Mon, 18 May 2020 18:57:15 -0500") Message-ID: <87mu64uxq1.fsf@igel.home> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.91 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mai 18 2020, Eric W. Biederman wrote: > If it was only libc4 and libc5 that used the uselib system call then it > can probably be removed after enough time. Only libc4 used it, libc5 was already ELF. Andreas. -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 "And now for something completely different."