From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti33d1t02-2522609-1528205148-2-1846121192536664296 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no X-Spam-charsets: plain='us-ascii' X-Resolved-to: linux@kroah.com X-Delivered-to: linux@kroah.com X-Mail-from: linux-security-module-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=fm2; t= 1528205147; b=NyXxjX0D9Ske48xbGjTc/TQxGOI7TCGxgq+D8TGoR/KRawI0Bx ienQZoaPLYLGVnt/dXUDZA1Xfn//ABCBI0SzTJaqIF82hRI/ypNwxpLqJfvlisUZ s/f0oYUROC24EU+lZW1Zgn7MLTk1ZgwGDupZI2Qlq6mQ1KyjnCBYCa3OCYffLDOR ZG9FZ1gX7GmDQmEzH+oTATpDf6wPGYpRUki5TFtPmlmC0njv3cNtRLteJSWGf0GA Xt27dXlgzk7cJ3zHkHFpxQO6V8acInuW6+P5XF57gVdoqVdfhl/nyOSaIrzykn47 p6mhJWks5p9afoK2FInzoPO8fMK3rWgmNvOw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=date:from:to:cc:subject:message-id :references:mime-version:content-type:in-reply-to:sender :list-id; s=fm2; t=1528205147; bh=AptkiV5nDueF6Y03WMK/x1DqaK9qLO j7eQC4OURJamg=; b=HLzVSEQKMWEBeYSmOC8Qwdf1hOavcAyNm5v8lHeB6z42kf Ssm160fW7evyMrQPGP0tGW8s5TvRmf2FC3L+VXmufOAKZYQjIREqetSQvdcXcOE5 JtmHacLlydVCTMQj/GK6SlvVFrIiQRGoioo3chDlXbyDT3NZt52MxWpA0P/r/Tgo HYviAYC8oDf3DyBryvb6n00PDRzEs4PSGFvv6MaoxVmxjNf4ND+eEbhFDrZfmJlh Nq9Bn67u0bIS0Qtds8shMEJy2ou7QyZsx1q9br9MdQx5/bzmkxGv0QAC4XsuxiVy d8D4iHbZjkDj1V4tSEv50MH+9h1xYSF5LIRCo2jQ== ARC-Authentication-Results: i=1; mx4.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=hallyn.com; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=linux-security-module-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-cm=none score=0; x-ptr=pass smtp.helo=vger.kernel.org policy.ptr=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=hallyn.com header.result=pass header_is_org_domain=yes; x-vs=clean score=-100 state=0 Authentication-Results: mx4.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=hallyn.com; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=linux-security-module-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-cm=none score=0; x-ptr=pass smtp.helo=vger.kernel.org policy.ptr=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=hallyn.com header.result=pass header_is_org_domain=yes; x-vs=clean score=-100 state=0 X-ME-VSCategory: clean X-CM-Envelope: MS4wfECdFQw8o8xFbR5jd9OZAWqdo52uNi/vi1DYSi2qNMlM5HIpL0LJ+ueeCp+N4cdOEr/8CXDHIVUFabZ+2lIELz5/rVncvZT6GKdHr8ezepDjswRqGayk jptN444ApFUteJP/NflMHyE+YY0Qwz1M86kQuB5fiWQNlG/IKZELqW7Lhx3JW8wDtSPcNGomiAUK131XoCcAopnbPpnzex5G39ZsBFyVVFbbryS4Ic+EnSUW +3lPuEbvN78EvkM5+yMUjQ== X-CM-Analysis: v=2.3 cv=JLoVTfCb c=1 sm=1 tr=0 a=UK1r566ZdBxH71SXbqIOeA==:117 a=UK1r566ZdBxH71SXbqIOeA==:17 a=kj9zAlcOel0A:10 a=7mUfYlMuFuIA:10 a=cm27Pg_UAAAA:8 a=hBqU3vQJAAAA:8 a=VwQbUJbxAAAA:8 a=BBo-H7Z2zwKRrtPtfGMA:9 a=CjuIK1q_8ugA:10 a=x8gzFH9gYPwA:10 a=xmb-EsYY8bH0VWELuYED:22 a=WLjMIN4s_96MqnBbPenP:22 a=AjGcO6oz07-iQ99wixmX:22 X-ME-CMScore: 0 X-ME-CMCategory: none Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751858AbeFENZq (ORCPT ); Tue, 5 Jun 2018 09:25:46 -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 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: owner-linux-security-module@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 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.