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]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2F6B2EC142F for ; Tue, 3 Mar 2026 11:05:13 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 150456B016D; Tue, 3 Mar 2026 06:05:12 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 0D4186B016E; Tue, 3 Mar 2026 06:05:12 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E99A16B016F; Tue, 3 Mar 2026 06:05:11 -0500 (EST) 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 D4D186B016D for ; Tue, 3 Mar 2026 06:05:11 -0500 (EST) Received: from smtpin18.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay09.hostedemail.com (Postfix) with ESMTP id 807ED8BA05 for ; Tue, 3 Mar 2026 11:05:11 +0000 (UTC) X-FDA: 84504470022.18.FB798B8 Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf17.hostedemail.com (Postfix) with ESMTP id 9E0104000B for ; Tue, 3 Mar 2026 11:05:09 +0000 (UTC) Authentication-Results: imf17.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=QdLDbc3L; spf=pass (imf17.hostedemail.com: domain of jlayton@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=jlayton@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1772535909; 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=VAzdDu+fY/TrXXihVW+Bid6PbFsi3c7W9dDHRxK8+Wc=; b=VTpWU4AcO6CG4oS3Kd91Gddb5YKy0+FI5HkHiGIONsq5MhmdnN/42Eze9gzCEDICkSXwOp 0Phl5ni3mjtuAxmM3MqNHHsLVRfN2q2P5YZ3eQ6yn8MTBdaaXissO1iDfWPUDuvrruJAj3 LSpT0lAvNGCqBSKWAgST4I/cXJfIr4c= ARC-Authentication-Results: i=1; imf17.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=QdLDbc3L; spf=pass (imf17.hostedemail.com: domain of jlayton@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=jlayton@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1772535909; a=rsa-sha256; cv=none; b=ETniJ78ibw4/hfUFWSH4aOYJNNDE22dpyDO+HRI376FLCExJkq4jR7tUqaf2Jkzy96LHvB a0HTNFNfuO6EBDxnvvEWmUOOBnHAeNT8H7juR0jC9O3rbg9g3CEK18iUIZUlt7s/CCtPRT IkzsUbVy+Rvayv/bShGJbtjcIYlzvTA= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 61DDC4391D; Tue, 3 Mar 2026 11:05:08 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9E18EC2BCC6; Tue, 3 Mar 2026 11:04:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772535908; bh=QbX73wCXwRkr1HV7bEMnhXfnmc2ghikMMn+yFzCU/s4=; h=Subject:From:To:Cc:Date:In-Reply-To:References:From; b=QdLDbc3LspoMdzF3yOKiS+2/bUeNd88SSHjCuT7BH1PZu1IwQEogRoQSu8GuYzJ+I hpWGLoUh+GTROb0CySxfl/puC0FvszABaio+jS6fONHEdgq/FmTqONvmSud82z6v/W Qtzf/6fNZkahrT0m8/+6Gau5nXY0CUEepz3EyoxuCjfqJMbL2WmwAoDJm1HdQWFqNy QsSMVRYs+yeBOEHTxADK1VTZCs95KN4idlKoNWMnHAbPNwRAhNXAPO5DZAo2X1V0bd QL/EUNzsawwZDF+680pke+4oUr+Dq4LAL4NtV4KYqvQE7YdWUch7FadAjHY5IFmcVi L2huhQ2zHojSQ== Message-ID: <7a0165fe39e82a1effd8cce5c2c4e82d6a42cb3a.camel@kernel.org> Subject: Re: [PATCH v2 003/110] audit: widen ino fields to u64 From: Jeff Layton To: Paul Moore Cc: Alexander Viro , Christian Brauner , Jan Kara , Steven Rostedt , Masami Hiramatsu , Mathieu Desnoyers , Dan Williams , Matthew Wilcox , Eric Biggers , "Theodore Y. Ts'o" , Muchun Song , Oscar Salvador , David Hildenbrand , David Howells , Paulo Alcantara , Andreas Dilger , Jan Kara , Jaegeuk Kim , Chao Yu , Trond Myklebust , Anna Schumaker , Chuck Lever , NeilBrown , Olga Kornievskaia , Dai Ngo , Tom Talpey , Steve French , Ronnie Sahlberg , Shyam Prasad N , Bharath SM , Alexander Aring , Ryusuke Konishi , Viacheslav Dubeyko , Eric Van Hensbergen , Latchesar Ionkov , Dominique Martinet , Christian Schoenebeck , David Sterba , Marc Dionne , Ian Kent , Luis de Bethencourt , Salah Triki , "Tigran A. Aivazian" , Ilya Dryomov , Alex Markuze , Jan Harkes , coda@cs.cmu.edu, Nicolas Pitre , Tyler Hicks , Amir Goldstein , Christoph Hellwig , John Paul Adrian Glaubitz , Yangtao Li , Mikulas Patocka , David Woodhouse , Richard Weinberger , Dave Kleikamp , Konstantin Komarov , Mark Fasheh , Joel Becker , Joseph Qi , Mike Marshall , Martin Brandenburg , Miklos Szeredi , Anders Larsen , Zhihao Cheng , Damien Le Moal , Naohiro Aota , Johannes Thumshirn , John Johansen , James Morris , "Serge E. Hallyn" , Mimi Zohar , Roberto Sassu , Dmitry Kasatkin , Eric Snowberg , Fan Wu , Stephen Smalley , Ondrej Mosnacek , Casey Schaufler , Alex Deucher , Christian =?ISO-8859-1?Q?K=F6nig?= , David Airlie , Simona Vetter , Sumit Semwal , Eric Dumazet , Kuniyuki Iwashima , Paolo Abeni , Willem de Bruijn , "David S. 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jfs-discussion@lists.sourceforge.net, ntfs3@lists.linux.dev, ocfs2-devel@lists.linux.dev, devel@lists.orangefs.org, linux-unionfs@vger.kernel.org, apparmor@lists.ubuntu.com, linux-security-module@vger.kernel.org, linux-integrity@vger.kernel.org, selinux@vger.kernel.org, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-media@vger.kernel.org, linaro-mm-sig@lists.linaro.org, netdev@vger.kernel.org, linux-perf-users@vger.kernel.org, linux-fscrypt@vger.kernel.org, linux-xfs@vger.kernel.org, linux-hams@vger.kernel.org, linux-x25@vger.kernel.org, audit@vger.kernel.org, linux-bluetooth@vger.kernel.org, linux-can@vger.kernel.org, linux-sctp@vger.kernel.org, bpf@vger.kernel.org Date: Tue, 03 Mar 2026 06:04:51 -0500 In-Reply-To: References: <20260302-iino-u64-v2-0-e5388800dae0@kernel.org> <20260302-iino-u64-v2-3-e5388800dae0@kernel.org> Autocrypt: addr=jlayton@kernel.org; prefer-encrypt=mutual; keydata=mQINBE6V0TwBEADXhJg7s8wFDwBMEvn0qyhAnzFLTOCHooMZyx7XO7dAiIhDSi7G1NPxw 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qC+NEKEAu719VqklQ3ifmiE7elvdMyn6/4I7aI5aRG3+K0FQPgnA/0TFT3JS9YF8pYlfbhliC7XFoRWdc3YFwaLlHO0vt6oGw+EAb9J37hM3lbM+GS7CwW55O2vhQtq+C/UikcR3KicEj9NeqFLysHC/1BpnD/ch/WfpbvNLsfYlb2UWl3mXUjMkqLgx95H9KAnP9kuSB2IgQmsXwIgElPqkoUCEhdvEcsSFocbVJ6tJs0TjVRvPnwkLL7J8YcUJQXPg9GUFwVC1GaLB6bKJtYnTEgRULOVFcBNXKjx9qPgqCQw2N6FI9onNGX/o6Xb8xj8BX0lVP08ZRbOauileMM8yjg+pC9u9s= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, 2026-03-02 at 18:44 -0500, Paul Moore wrote: > On Mon, Mar 2, 2026 at 3:25=E2=80=AFPM Jeff Layton w= rote: > >=20 > > inode->i_ino is being widened from unsigned long to u64. The audit > > subsystem uses unsigned long ino in struct fields, function parameters, > > and local variables that store inode numbers from arbitrary filesystems= . > > On 32-bit platforms this truncates inode numbers that exceed 32 bits, > > which will cause incorrect audit log entries and broken watch/mark > > comparisons. > >=20 > > Widen all audit ino fields, parameters, and locals to u64, and update > > the inode format string from %lu to %llu to match. > >=20 > > Signed-off-by: Jeff Layton > > --- > > include/linux/audit.h | 2 +- > > kernel/audit.h | 9 ++++----- > > kernel/audit_fsnotify.c | 4 ++-- > > kernel/audit_watch.c | 8 ++++---- > > kernel/auditsc.c | 2 +- > > 5 files changed, 12 insertions(+), 13 deletions(-) >=20 > We should also update audit_hash_ino() in kernel/audit.h. It is a > *very* basic hash function, so I think leaving the function as-is and > just changing the inode parameter from u32 to u64 should be fine. It is indeed very simple. Here it is today: static inline int audit_hash_ino(u32 ino) =20 { =20 return (ino & (AUDIT_INODE_BUCKETS-1)); =20 } =20 It doesn't look like changing the argument type will make any material difference. Given that it should still work without that change, can we leave this cleanup for you to do in a follow-on patchset? --=20 Jeff Layton