From patchwork Mon Jun 12 10:45:23 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeff Layton X-Patchwork-Id: 13276330 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6186EC7EE2E for ; Mon, 12 Jun 2023 10:59:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236564AbjFLK7F (ORCPT ); Mon, 12 Jun 2023 06:59:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:32960 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236646AbjFLK5u (ORCPT ); Mon, 12 Jun 2023 06:57:50 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 69FD759D1; Mon, 12 Jun 2023 03:45:52 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 7A6D862451; Mon, 12 Jun 2023 10:45:51 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 03C7EC4339C; Mon, 12 Jun 2023 10:45:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1686566750; bh=wKObH6RqfDSKn8NJ5P1Az5k/GApq/hL/pKFLfNG4hQ4=; h=From:To:Subject:Date:In-Reply-To:References:From; b=LmmZkhNyD5zDhN30iflITZjik39GhWUe9Zp2752cKSdJF2l1rVLjseSvmT8FZAnUW Tt+Rk6fBUYPjKCd4SxlgSiLiIF8+vtYo5Sb5QtZpNg3apDbKEGO4QI+cdJ3s+yXJw9 Bi8/f7AqA8ESRTQKcBuEh6nTtDgtKi4wFVDK8wQLx0Zo25LDolbf5jZMc1ZTwyb7pe 0dKP/F7COKkhUtTASLHTMB7PzYC874EBAcrWbqIGcZW5hdEJiHjrXkVqvdBBmZWCPM ITZ9AnpeSKjuXFRWezYx5SYvEEwPZRK+EnpN6qR/ONpj6ISjGT7cQvL7MV0db9dJMg f0/ADoTJDBpSw== From: Jeff Layton To: Christian Brauner , Al Viro , Brad Warrum , Ritu Agarwal , Arnd Bergmann , Greg Kroah-Hartman , Ian Kent , "Tigran A. Aivazian" , Jeremy Kerr , Ard Biesheuvel , Namjae Jeon , Sungjong Seo , Steve French , Paulo Alcantara , Ronnie Sahlberg , Shyam Prasad N , Tom Talpey , John Johansen , Paul Moore , James Morris , "Serge E. Hallyn" , Ruihan Li , Sebastian Reichel , Alan Stern , Suren Baghdasaryan , Wolfram Sang , linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, autofs@vger.kernel.org, linux-efi@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-cifs@vger.kernel.org, samba-technical@lists.samba.org, apparmor@lists.ubuntu.com, linux-security-module@vger.kernel.org Subject: [PATCH v2 7/8] apparmor: update ctime whenever the mtime changes on an inode Date: Mon, 12 Jun 2023 06:45:23 -0400 Message-Id: <20230612104524.17058-8-jlayton@kernel.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230612104524.17058-1-jlayton@kernel.org> References: <20230612104524.17058-1-jlayton@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org In general, when updating the mtime on an inode, one must also update the ctime. Add the missing ctime updates. Signed-off-by: Jeff Layton --- security/apparmor/apparmorfs.c | 7 +++++-- security/apparmor/policy_unpack.c | 11 +++++++---- 2 files changed, 12 insertions(+), 6 deletions(-) diff --git a/security/apparmor/apparmorfs.c b/security/apparmor/apparmorfs.c index db7a51acf9db..c06053718836 100644 --- a/security/apparmor/apparmorfs.c +++ b/security/apparmor/apparmorfs.c @@ -1554,8 +1554,11 @@ void __aafs_profile_migrate_dents(struct aa_profile *old, for (i = 0; i < AAFS_PROF_SIZEOF; i++) { new->dents[i] = old->dents[i]; - if (new->dents[i]) - new->dents[i]->d_inode->i_mtime = current_time(new->dents[i]->d_inode); + if (new->dents[i]) { + struct inode *inode = d_inode(new->dents[i]); + + inode->i_mtime = inode->i_ctime = current_time(inode); + } old->dents[i] = NULL; } } diff --git a/security/apparmor/policy_unpack.c b/security/apparmor/policy_unpack.c index cf2ceec40b28..48a97c1800b9 100644 --- a/security/apparmor/policy_unpack.c +++ b/security/apparmor/policy_unpack.c @@ -86,10 +86,13 @@ void __aa_loaddata_update(struct aa_loaddata *data, long revision) data->revision = revision; if ((data->dents[AAFS_LOADDATA_REVISION])) { - d_inode(data->dents[AAFS_LOADDATA_DIR])->i_mtime = - current_time(d_inode(data->dents[AAFS_LOADDATA_DIR])); - d_inode(data->dents[AAFS_LOADDATA_REVISION])->i_mtime = - current_time(d_inode(data->dents[AAFS_LOADDATA_REVISION])); + struct inode *inode; + + inode = d_inode(data->dents[AAFS_LOADDATA_DIR]); + inode->i_mtime = inode->i_ctime = current_time(inode); + + inode = d_inode(data->dents[AAFS_LOADDATA_REVISION]); + inode->i_mtime = inode->i_ctime = current_time(inode); } }