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 5365DEB64DA for ; Mon, 10 Jul 2023 16:12:15 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id E70DB8E0001; Mon, 10 Jul 2023 12:12:14 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id DF8D78D0001; Mon, 10 Jul 2023 12:12:14 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id C999F8E0001; Mon, 10 Jul 2023 12:12:14 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id B65008D0001 for ; Mon, 10 Jul 2023 12:12:14 -0400 (EDT) Received: from smtpin06.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id 6F229A01A3 for ; Mon, 10 Jul 2023 16:12:14 +0000 (UTC) X-FDA: 80996194188.06.60569F4 Received: from mout.web.de (mout.web.de [212.227.15.4]) by imf24.hostedemail.com (Postfix) with ESMTP id 4199B180015 for ; Mon, 10 Jul 2023 16:12:11 +0000 (UTC) Authentication-Results: imf24.hostedemail.com; dkim=pass header.d=web.de header.s=s29768273 header.b=ERFgDDo+; spf=pass (imf24.hostedemail.com: domain of Markus.Elfring@web.de designates 212.227.15.4 as permitted sender) smtp.mailfrom=Markus.Elfring@web.de; dmarc=pass (policy=none) header.from=web.de ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1689005532; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=t8MPBk7LXk5MEPPJCKliAN1DB2BVxvTnDmNz5Lt6d6Q=; b=HYIKxuhfZoroZ0beI00BdsGB5h0iI8JJqQdBw9aoOWbZ3PBFf6GSKsuIWEKJk9t1jWYj5t D8ZUwMKXuULSqspTq3b3EGCbzcjm0ZMvDHOoyGSjfcCPQADULGc0B1oQkvF5/8KypIod3/ y2tD7rCj2KMQ6UBvz7H2urTHDeq21z0= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1689005532; a=rsa-sha256; cv=none; b=uJ5LxLF9yIlIDZhNsjW8DGHYOFkSEFUO0MhyEG0vIz9OeuxpkLfeI6xpClypQP9nRCbeSi 73ZMotpRg3cCtyTLLT3LYW8wAZzIFJfsn4N5lWOdRNTkwaOpc9zBdDciZMvn13Lekgn4FN qXyPZ6K1NdhfHSe3zAuBclnkuA/8/8A= ARC-Authentication-Results: i=1; imf24.hostedemail.com; dkim=pass header.d=web.de header.s=s29768273 header.b=ERFgDDo+; spf=pass (imf24.hostedemail.com: domain of Markus.Elfring@web.de designates 212.227.15.4 as permitted sender) smtp.mailfrom=Markus.Elfring@web.de; dmarc=pass (policy=none) header.from=web.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=web.de; s=s29768273; t=1689005529; x=1689610329; i=markus.elfring@web.de; bh=t8MPBk7LXk5MEPPJCKliAN1DB2BVxvTnDmNz5Lt6d6Q=; h=X-UI-Sender-Class:Date:To:Cc:References:Subject:From:In-Reply-To; b=ERFgDDo+75+Oz7BUuDqfUhemnU8yReiEGUjYsqrwSPzvo3B7Au+K43kKLDu0WwPcU9d7YvT s3biAej5jM+oNJ13fNi7r8XhD6tahl1MBj3H+gjoBlFG95gkF6V2QtvP3APasGSiy+itjUkM5 TxJgNqWwETWm27XmjhK/KT5zgUu+B9llrRJ5gHeM/OKBpkOEeWqPkRasP2n8I0lQTFIzOSZOy QTjkpcCfjA5H3QUYRhF3aOuunypmKwCrnTXAt/Q9poDxoGDvzFjq/GP31R/h+iuc0O+zh8XhA dERJcZTmh6TqIgpvvDnht8vNOiRyig85/es1W4mIgb+o+yre6Z3A== X-UI-Sender-Class: 814a7b36-bfc1-4dae-8640-3722d8ec6cd6 Received: from [192.168.178.21] ([94.31.90.83]) by smtp.web.de (mrweb005 [213.165.67.108]) with ESMTPSA (Nemesis) id 1MCXZf-1qAt1G1Kr5-009QUe; Mon, 10 Jul 2023 18:12:09 +0200 Message-ID: Date: Mon, 10 Jul 2023 18:12:08 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.13.0 To: Linke Li , linux-mm@kvack.org, llvm@lists.linux.dev, kernel-janitors@vger.kernel.org Cc: LKML , Linke Li , Mike Kravetz , Muchun Song , Nathan Chancellor , Nick Desaulniers , Tom Rix References: Subject: Re: [PATCH] hugetlbfs: Fix integer overflow check in hugetlbfs_file_mmap() Content-Language: en-GB From: Markus Elfring In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:ksl1SO7jj4HzuXTPfuBIL999XNIhotdwsxOQyAmXR1uPv6i5r2/ D3PlQvypRhuqjuPiFoGGLZDSmAYU7YwYPOocIBISdJV9pKvAAKEDDX6pmsjpUiZF8yqUQ8W TcYFjkCIkJmZdtFDPla7XtDtpqqSrnOhTBK5X3c+IEbyadetiXEFCoyTEoiftPwel2GKy9j jSQvXHO+efoHYzH+KFtog== UI-OutboundReport: notjunk:1;M01:P0:KS09CIOE6hA=;D9m/agfoHR2cwGtQyLT5MQQbm1j ruj3I+A7RErwGBVe/pKXZ5FBRvhiSYYR0o35NIWevrZHRSHzGOhPPs5Z2YYXm8P/YpTwFtVBb oXUX4sU4z3zp9rtuewJ/VnVcON4Wgff2iIfOhXy7xk8j3DSp+EpcYjvdZwvfAc2SOVWElwjdr mWb0/ucCEaLTc0TCEQzaFUzkcwt+TlhCc9EyPMyx94X8JZ40MVoXjf8CvxNuy9nPO02ATwnqS yF26SyQQo+b1Bu0M7lNiYfADKzXD6T8BBZvW1XWzd4yUeuD0D92XDTtQoxqIPvZCog+wDJ6Tg 2mmQfon+jip1+Nolz2PBavUz1rZ1nkFsGSAIRjSriUigyVyzDuoFxPYFpHiyVW+pYwIAfhpJW ocsfUqKkLHGu8vZTNZEE8vzTayByO1Rn4WXa1F+esyWLCLKypsXMs0WVipPq9hQmHBAi1SGQ+ wfjNUk/B0dyqFB/cUI9i5sVSDtGGdKZ2IEsMAdupRz4W0C78zSXiWlo+WRpb1UcLWgP5HwSoB rcKqz+O1Gevt6JYIj+elPq3OTzgoeGWrMELTnQlaLIbE34dA6+oN/ZfE1ObX1Vuyv2Cj77jBe VIqWl8rewIC5b9omR163adGEQtvAKj2d/8KyHTZ2FmmkWE1u5it/My2JbScAgucQBYZVwarqs Taiv4DvL2wk3TWJBRGOPcy53L9GTlhAsYBawhGF567bktitRzZ2rHoPv0vAqy/G+37LO7hR9b exEdUjFPi0JLxB30odqqI+bQKFv7QDeMpt+axNU3nxk65ddyShbcux2P6t6zDSdLljYRhvGHs 2VTqRpTbcpDTjbrTKGHaOhKCJGrqYuosL6zjvMERRZHmNmARkhFbX/miJM0DkQhjtB3zZvqS0 6KFvfl8BeUdeR4BrKGxdG2XWYd2sqLLmGRHUSA0ASle3BIHsCBMP4VY+0HvgNZZKFPIuZSs3c /tFMXMVpGSY0AEQzeJ7S/f6YeFo= X-Stat-Signature: ai7ucdaete8ipefg1s1gho6sjm99gwnp X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 4199B180015 X-Rspam-User: X-HE-Tag: 1689005531-352327 X-HE-Meta: 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 66Qf/9W8 Qzy0vC+U99vT6r0neJnxXWkR+hLRuNdA9n7sovexe4xkDBH2aceNDPFzU154fKsMRv7CrvFPQN1k5IN7oqqARasBekKqfqN9ZfkHsVfi0XBTWTWZwGokL7WdX5fCkPac02Km6T53IttaAX5L8MDMjwYHtIcyYO8F8cuHQcfDzQmRZbIcmVJL/kN7NDG9wbQUJqKMHWEOWWTjxDxigyt/irf7XWZiK5F92Y8ZAIffwxLIIP7m3mcOFOVAynbGj3kk8h96UpeZTfhTGnYOmxHsIXLI+jQ== 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: =E2=80=A6 > To address this potential issue, this patch introduces a new check > that effectively prevents integer overflow. This check ensures the =E2=80=A6 Please choose an imperative change suggestion. See also: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Do= cumentation/process/submitting-patches.rst?h=3Dv6.5-rc1#n94 Regards, Markus