Received: by 2002:ac0:a5b6:0:0:0:0:0 with SMTP id m51-v6csp910137imm; Tue, 5 Jun 2018 06:26:35 -0700 (PDT) X-Google-Smtp-Source: ADUXVKJiGOBSD4oBHQ/4jqs96HvlIk+JrpfcYnPDYR2ORnvLFo8iAQZ3ZD16a4OD6WmNmS0jo7Qj X-Received: by 2002:aa7:80c6:: with SMTP id a6-v6mr25465388pfn.120.1528205195929; Tue, 05 Jun 2018 06:26:35 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1528205195; cv=none; d=google.com; s=arc-20160816; b=NLM42GplXa6Rh8111zn2Cc0HIirejCMrMXdOoOPWA08KuumLJduOFQfB96AfGkDEW2 WHSf8VaUqIsZSDYRorC5aWsKLPdFB3kEpo4xJo4BYgfPUr04eA8SNemfxQCBZkWjhs8j JoITPP6SZixIgRVxDjTSW7IKTrMrNS/qiZl0zVYhTz+NqEs2Xhv4uqZQaAMP7rd84QEF Pb1ONSPEe8blznsZ+x2QMZ4CjUSgWh7nPY3FEDq/WmX2Hg4YNf3NzIMVvFoBrRqEupb2 iVHFX/9761c/pp8k6uuYFM7SFVlcGmeBiY60+wXEZsLkN0x+udjky0+JaWp71qHQkl2Q HheQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:arc-authentication-results; bh=QET/fiOy/ZbpKqBsqGSC3vrnOxYe0olZ5dGhpxian+k=; b=EqnoWl4CPIbhgCgaX8JMk9UUVkyIkYtt2qs1+H0oW0treBcFGpuQlAQTQJj+MS9yCX To666juKs3gcccrpKtY6UmroI6RyAB0vJ3ExIvYbrTaBITsRbLvr2tJgNLu881mL64qh NdNiEnLO6F8Eh05rgCOfniG8a3c/E9pf5j6fk9srVroRUPiCeXAx5xpwDCx4RVr+ndfm MYfQmerz05Vrty36sSlUwdK5WKkZBVcLrSrhAKWe2ItNt+2eVZqy4jL+7d/wbP8uBynF yccGQsKlwRFZouoqTj8GcqKUA265QLwlEG4R6VE1JE0glRhETEehlbdbAOotk30b88Qp 6+lw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id s23-v6si24866196pfi.105.2018.06.05.06.26.20; Tue, 05 Jun 2018 06:26:35 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751937AbeFENZr (ORCPT + 99 others); Tue, 5 Jun 2018 09:25:47 -0400 Received: from h2.hallyn.com ([78.46.35.8]:58890 "EHLO mail.hallyn.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751822AbeFENZo (ORCPT ); Tue, 5 Jun 2018 09:25:44 -0400 Received: by mail.hallyn.com (Postfix, from userid 1001) id C9048120C3B; Tue, 5 Jun 2018 08:25:42 -0500 (CDT) Date: Tue, 5 Jun 2018 08:25:42 -0500 From: "Serge E. Hallyn" To: Kees Cook Cc: "Serge E. Hallyn" , Mimi Zohar , Casey Schaufler , James Morris , Paul Moore , linux-integrity , linux-security-module , LKML , David Howells , "Luis R . Rodriguez" , Eric Biederman , Kexec Mailing List , Andres Rodriguez , Greg Kroah-Hartman , Ard Biesheuvel , Jessica Yu Subject: Re: [PATCH v4 0/8] kexec/firmware: support system wide policy requiring signatures Message-ID: <20180605132542.GA26722@mail.hallyn.com> References: <1527616920-5415-1-git-send-email-zohar@linux.vnet.ibm.com> <1528121025.3237.116.camel@linux.vnet.ibm.com> <20180605040920.GA19747@mail.hallyn.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Quoting Kees Cook (keescook@chromium.org): > On Mon, Jun 4, 2018 at 9:09 PM, Serge E. Hallyn wrote: > > Personally I agree with Eric and prefer a new hook. I don't feel strongly > > enough about it to keep bikeshedding, but since this set already exists, > > it seems like the way to go. > > And the new hook is "load stuff without a file descriptor"? Yes. Load stuff based on my own credentials not those attached to a file.