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=-0.8 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS autolearn=ham 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 3F7CFC43143 for ; Thu, 13 Sep 2018 19:48:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E7B1E20866 for ; Thu, 13 Sep 2018 19:48:16 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="WPNGaT0B" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E7B1E20866 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728163AbeINA7M (ORCPT ); Thu, 13 Sep 2018 20:59:12 -0400 Received: from mail-it0-f47.google.com ([209.85.214.47]:39740 "EHLO mail-it0-f47.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726839AbeINA7M (ORCPT ); Thu, 13 Sep 2018 20:59:12 -0400 Received: by mail-it0-f47.google.com with SMTP id h1-v6so9301619itj.4; Thu, 13 Sep 2018 12:48:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=EpSqoHloRitp382xCPsaYDoJMi4lr5stUxXxiJnsPlA=; b=WPNGaT0B1C2fhOUJv+s1H+H0JTT2WPX+3G8rhSvnxrGyoKUpif1+UcO8sD7qzYbvhA MgFKL9bNM3krcJDZsMUgbKl53x6Sisb+hn2b2Ge6B7mtoETId9nIFLuC34qQucOcPWji uss0q8sWrT7ns6ZvLP55+SnnVZC2bIAp2BlFhlMsjlfnh0OkAQqOMpVyUXgWKTgfQl75 tDjs+TxLyVtj5za4esFVulqmMG2EtZBxdxI+cVx5tqr46MNKT2pDBGBXes3AlHpzjJ4D CpaBRDvcU57ETt6SYTVF2cZNGIQoBZKgTWUZWx/6ETC7/xIBcECHL1YxloV33WIroFge xjFg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=EpSqoHloRitp382xCPsaYDoJMi4lr5stUxXxiJnsPlA=; b=V0JbOoUDxLRDTu337hx+Gyg4BPm6oxxWSAVRAsaiZu6DbMRXu1oi4cosPCEIGqLCXV X6ItMTTbRWDPv3IIJ90dxmUhNUPMLxuKU8+IfktvEzmAnKO8ktA9VhNqSC+GiLxI2XUb wCfmcx34IwK+UrkeRyrzY7f2aQjuKWXqcx6pwp9d3qQqYv7lVQnF9IsoXOCq2OSm2o7B CSZHL9fIlwtnKWtYtdEtNl2/J8PSYFi38YcbjBh9rWCuBh/0MnYWgNCZ6Ac7Hgse9aj0 nu1lrV9mQpg6gxcmkAxS39aTL9d+UhXgR+Fx7lgOGT3xok5xoGyRdmVfSbS8qspMClIY YFmQ== X-Gm-Message-State: APzg51AxNzNuM/Kuc31lQ0qkFFZdnYkd7uowNlNWAB3aHKVV0iqOWBDU +P54ewuexBngymgU+cVXNoW9Y/yTXcI/xdi3AoQ= X-Google-Smtp-Source: ANB0Vda56dvk25MRqJ8rdxI6lf2EKAR4j/4S/wLrLxhBjUdNF/m/sgB0+I5vSkBS4xOoL725P0WhdO9Y+UQG/NaaBdc= X-Received: by 2002:a24:7bd4:: with SMTP id q203-v6mr7626953itc.123.1536868094236; Thu, 13 Sep 2018 12:48:14 -0700 (PDT) MIME-Version: 1.0 References: <20180911161527.GA30689@vnote> <20180912083844.iegei2kobcz4b7ag@ws.net.home> <6d349d22d37041c1a2942d8ed4c76b69@AcuMS.aculab.com> In-Reply-To: <6d349d22d37041c1a2942d8ed4c76b69@AcuMS.aculab.com> From: Eugene Korenevsky Date: Thu, 13 Sep 2018 22:48:03 +0300 Message-ID: Subject: Re: [PATCH v2] efi: take size of partition entry from GPT header To: David.Laight@aculab.com Cc: kzak@redhat.com, Davidlohr Bueso , linux-efi@vger.kernel.org, linux-kernel@vger.kernel.org, Ard Biesheuvel Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > I suspect you also need a sanity check that the value isn't too small > or stupidly large. What would be the criterion for too large entries? -- Eugene