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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id C740AC4332F for ; Wed, 2 Feb 2022 15:16:03 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 202906B02DA; Wed, 2 Feb 2022 10:16:03 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 1B22D6B02DB; Wed, 2 Feb 2022 10:16:03 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 07A956B02DC; Wed, 2 Feb 2022 10:16:03 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0227.hostedemail.com [216.40.44.227]) by kanga.kvack.org (Postfix) with ESMTP id E91D66B02DA for ; Wed, 2 Feb 2022 10:16:02 -0500 (EST) Received: from smtpin28.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id A5F8118200A11 for ; Wed, 2 Feb 2022 15:16:02 +0000 (UTC) X-FDA: 79098190164.28.8320C88 Received: from mail-wm1-f48.google.com (mail-wm1-f48.google.com [209.85.128.48]) by imf26.hostedemail.com (Postfix) with ESMTP id 4BE02140005 for ; Wed, 2 Feb 2022 15:16:02 +0000 (UTC) Received: by mail-wm1-f48.google.com with SMTP id m26so9254320wms.0 for ; Wed, 02 Feb 2022 07:16:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=Xyx4YcrE4z3BHCAOEuga3pXY2rjKc137zdyuqWhKuOM=; b=Jm7C99cyec4z66bazUdbfaepkU56S2Rm8BfdjARZZFnPAlPCY2JjD45fNi5ArkDevx 2cUUFxtcIEboZu+L6f5743Shj1h3wuQayKmy0JZAqrfMiPP8RZ5rtTNlcNcd0VVj7WbC DreaMrXPZefuSSo++0RTBt2t+3D2HXR1OuLcnjbN3oPutyIfGDhMiASrRc0oCHaFeewG dyV50wC/1ARn7MKZS0392pZrWXFIvk03U13Q4Yt25DH7Z/8pAOyieJrVesAxN4sCgqxs tflTU/dB1YgWNcBDs9A2QrCRCPBLgeWtNRZ2VcFaob3ueSLaILSKh702BiS4f83uYXE6 nufg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=Xyx4YcrE4z3BHCAOEuga3pXY2rjKc137zdyuqWhKuOM=; b=r1XZS8+9qxqKq/v5GKTG7tNGakEo84q9IR7JYeYvo/hQTXPgi1oAypy4oCwsUaVhyD FLmSg1EVqblht+DTUzIggNhxaf6S+91ze2yXK5ciDhzUIjdA2R+e4LUEL3nOfhPy1qti QMcAQ8uwQXbCXZbWpjYx+oZnYszBhdErQjJgbGyn5ut/9vUl6woQIWqk8wZ3YiFU+/AW pLTzdhZc3hX4qX06TlUea63YkUZ58YajEj1A0Uuqq/5VPX+9w2oD5USDr1S7s1zoDMB8 UjFsfkYNZQDt1xUWifHUCaQPG2ABrqXDoMeuhFuN7Ab5ImorX9VLrQvne1RRHnrDcKSi ZBYQ== X-Gm-Message-State: AOAM530zx3ofHRzt+yhWufWqb0/P+jvLFoAJTAqoF6n85Va2tKrB8YNA W1K8LifyD8Ew66Yp7hF5Gw== X-Google-Smtp-Source: ABdhPJyWGbaaUABtH/hyVAAGBLGuXq3MTw5DLCzV7sRjdtW2leo4+V3sfnENMoemy8bHajCtQvU4kA== X-Received: by 2002:a1c:4645:: with SMTP id t66mr6262855wma.39.1643814960897; Wed, 02 Feb 2022 07:16:00 -0800 (PST) Received: from localhost.localdomain ([46.53.252.48]) by smtp.gmail.com with ESMTPSA id o14sm4814945wmr.3.2022.02.02.07.16.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 02 Feb 2022 07:16:00 -0800 (PST) Date: Wed, 2 Feb 2022 18:15:58 +0300 From: Alexey Dobriyan To: Andrew Morton Cc: Kees Cook , Magnus =?utf-8?B?R3Jvw58=?= , Alexander Viro , Eric Biederman , linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-hardening@vger.kernel.org Subject: Re: [PATCH] elf: Relax assumptions about vaddr ordering Message-ID: References: <202201260845.FCBC0B5A06@keescook> <202201262230.E16DF58B@keescook> <202201281347.F36AEA5B61@keescook> <20220201144816.f84bafcf45c21d01fbc3880a@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20220201144816.f84bafcf45c21d01fbc3880a@linux-foundation.org> X-Rspam-User: nil X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 4BE02140005 X-Stat-Signature: rdfsnxmusy93o469nrqtuh77f6j3rtay Authentication-Results: imf26.hostedemail.com; dkim=pass header.d=gmail.com header.s=20210112 header.b=Jm7C99cy; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (imf26.hostedemail.com: domain of adobriyan@gmail.com designates 209.85.128.48 as permitted sender) smtp.mailfrom=adobriyan@gmail.com X-HE-Tag: 1643814962-248391 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Tue, Feb 01, 2022 at 02:48:16PM -0800, Andrew Morton wrote: > On Fri, 28 Jan 2022 14:30:12 -0800 Kees Cook wrote: > > > Andrew, can you update elf-fix-overflow-in-total-mapping-size-calculation.patch > > to include: > > > > Fixes: 5f501d555653 ("binfmt_elf: reintroduce using MAP_FIXED_NOREPLACE") > > Cc: stable@vger.kernel.org > > Acked-by: Kees Cook > > Done. > > I'm taking it that we can omit this patch ("elf: Relax assumptions > about vaddr ordering") and that Alexey's "ELF: fix overflow in total > mapping size calculation" will suffice? Yes, it is same patch conceptually. It should work, but those who can't play Bioshock are better test it.