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 4FBA6D17159 for ; Tue, 22 Oct 2024 03:06:42 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id BD0636B0092; Mon, 21 Oct 2024 23:06:41 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id B804B6B0093; Mon, 21 Oct 2024 23:06:41 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id A6EE76B0096; Mon, 21 Oct 2024 23:06:41 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0010.hostedemail.com [216.40.44.10]) by kanga.kvack.org (Postfix) with ESMTP id 87F1A6B0092 for ; Mon, 21 Oct 2024 23:06:41 -0400 (EDT) Received: from smtpin04.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay02.hostedemail.com (Postfix) with ESMTP id 7A8CF121C12 for ; Tue, 22 Oct 2024 03:06:26 +0000 (UTC) X-FDA: 82699750266.04.0B74EC5 Received: from nyc.source.kernel.org (nyc.source.kernel.org [147.75.193.91]) by imf26.hostedemail.com (Postfix) with ESMTP id 92A0E140008 for ; Tue, 22 Oct 2024 03:06:27 +0000 (UTC) Authentication-Results: imf26.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=NggfWXyY; spf=pass (imf26.hostedemail.com: domain of akpm@linux-foundation.org designates 147.75.193.91 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org; dmarc=none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1729566248; 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=BAT9cIfaTPq09rBnvG6ag1u5wG0mV95FAAPH+e6FMbU=; b=BaAFkTYxUHlO9I2IbvPDKHDwef1A0w9pKwwMIhvZeYTk+hLzfihNJKJU36MeioXqPngAdd HlHgh4OB/q+o9OetEtQ9whvlAmDQxGycaSVHHJ9O4UxqiGxtGYk7x8tPTPqbjn3e1VUixq 8WXR3vYrkn0TBAeZ/LZjtSmN+a0zGtY= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1729566248; a=rsa-sha256; cv=none; b=D1KDTiA/n+/JtQFX/TwDhkBW8c6j7Jwvbm7/ioOLJGPrXLmc82rudDVqn5I70OFw8uQWnj VsNvmr0p1N9Z1IoiRwP9AnfgTdT6dxEk5UkAq3nF/TD2g1gHe/7OKNkR2CNjNh2d/ve5SA dKdFz4kHNrSelC88wuqkhyaNEVAkRpQ= ARC-Authentication-Results: i=1; imf26.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=NggfWXyY; spf=pass (imf26.hostedemail.com: domain of akpm@linux-foundation.org designates 147.75.193.91 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org; dmarc=none Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by nyc.source.kernel.org (Postfix) with ESMTP id 3E78FA4016F; Tue, 22 Oct 2024 03:06:29 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 63BF2C4CEC3; Tue, 22 Oct 2024 03:06:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1729566398; bh=Pdj6kXiEu2uGZ0LuXnPEeFujTzUCsth+MkAeAwOml2M=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=NggfWXyYP0PLz8NPZXXLKvtCHBOCCUHJXIA791VBnfM5S43KFnylELeAOIU7G2AuL BEW8cUiNFq6PaoOmq/MK+SmL8Qu69m2puY1HIXO2lKmM5M5fYArC67wGmpVdUKHTie y13EZL8CT913+ZhvQL8OUOUJTE+rrtGvnIzZ+0Hc= Date: Mon, 21 Oct 2024 20:06:36 -0700 From: Andrew Morton To: Paul Moore Cc: "Kirill A. Shutemov" , Roberto Sassu , Liam.Howlett@oracle.com, lorenzo.stoakes@oracle.com, vbabka@suse.cz, jannh@google.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, ebpqwerty472123@gmail.com, zohar@linux.ibm.com, dmitry.kasatkin@gmail.com, eric.snowberg@oracle.com, jmorris@namei.org, serge@hallyn.com, linux-integrity@vger.kernel.org, linux-security-module@vger.kernel.org, bpf@vger.kernel.org, linux-fsdevel@vger.kernel.org, stable@vger.kernel.org, syzbot+1cd571a672400ef3a930@syzkaller.appspotmail.com, Roberto Sassu Subject: Re: [PATCH v2] mm: Split critical region in remap_file_pages() and invoke LSMs in between Message-Id: <20241021200636.308f155a72f8a4d1e26f82b8@linux-foundation.org> In-Reply-To: References: <20241018161415.3845146-1-roberto.sassu@huaweicloud.com> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Stat-Signature: bbwoimwenehm8h643hqiia3xooijq9ce X-Rspamd-Queue-Id: 92A0E140008 X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1729566387-199870 X-HE-Meta: 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 +6yw3txB pd2cO8Vm0VPmhL6jwPkwUcb+vlGOuu90qNGdal+FUvlgqZOCjn+68OM45DRpfxaVI7Q8tw59H3rlbvq5b+NlsPX51FEx3rglkaxJiltFgUll3kOu1hbj0qWOypNFmkHcqEPRbm2ySLp8EZ5pjqzoV+dhHAy+wTJgVy/pqvlFFXjDWiDfQsxT3GXzjAkN3ODWXLs5j5t+mM1CcASUiXYKCsdWU4EZHr9ycyUiGqCpLYo9OO0FPoMSPsPpBI4jCdCwklkmHhGYykIT/jExmcYfKpE2d5EbcwL5bcjO7hxpQukp2OUYXm+MOzc933alyRbWo8V3b6nIZC5X4S/6Byr1E8DTe/uCo/d+1JvJmw8F1P2WlGH9LQo3WIeNWXQtULUlR7p/H74Ye1aT1f5K1ilE3H83fBYNR7M3bDugdi+E8f3+j7nvv3V40MTYR8IyLwr0Tz7it6ZjEbichfxU= 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: List-Subscribe: List-Unsubscribe: On Sat, 19 Oct 2024 11:34:08 -0400 Paul Moore wrote: > > mm/mmap.c | 69 +++++++++++++++++++++++++++++++++++++++++-------------- > > 1 file changed, 52 insertions(+), 17 deletions(-) > > Thanks for working on this Roberto, Kirill, and everyone else who had > a hand in reviewing and testing. > > Reviewed-by: Paul Moore > > Andrew, I see you're pulling this into the MM/hotfixes-unstable > branch, do you also plan to send this up to Linus soon/next-week? If > so, great, if not let me know and I can send it up via the LSM tree. In the normal course of things I'd send it upstream next week, but I can include it in this week's batch if we know that -next testing is hurting from it?