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From: Christian Brauner <brauner@kernel.org>
To: Roberto Sassu <roberto.sassu@huaweicloud.com>
Cc: viro@zeniv.linux.org.uk, chuck.lever@oracle.com,
	jlayton@kernel.org,  neilb@suse.de, kolga@netapp.com,
	Dai.Ngo@oracle.com, tom@talpey.com,  paul@paul-moore.com,
	jmorris@namei.org, serge@hallyn.com, zohar@linux.ibm.com,
	 dmitry.kasatkin@gmail.com, eric.snowberg@oracle.com,
	dhowells@redhat.com, jarkko@kernel.org,
	 stephen.smalley.work@gmail.com, eparis@parisplace.org,
	casey@schaufler-ca.com, shuah@kernel.org,  mic@digikod.net,
	linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	 linux-nfs@vger.kernel.org,
	linux-security-module@vger.kernel.org,
	 linux-integrity@vger.kernel.org, keyrings@vger.kernel.org,
	selinux@vger.kernel.org,  linux-kselftest@vger.kernel.org,
	Roberto Sassu <roberto.sassu@huawei.com>,
	 Stefan Berger <stefanb@linux.ibm.com>
Subject: Re: [PATCH v9 17/25] security: Introduce inode_post_remove_acl hook
Date: Fri, 9 Feb 2024 10:52:10 +0100	[thread overview]
Message-ID: <20240209-gelee-parken-3ecebd605e73@brauner> (raw)
In-Reply-To: <20240115181809.885385-18-roberto.sassu@huaweicloud.com>

On Mon, Jan 15, 2024 at 07:18:01PM +0100, Roberto Sassu wrote:
> From: Roberto Sassu <roberto.sassu@huawei.com>
> 
> In preparation for moving IMA and EVM to the LSM infrastructure, introduce
> the inode_post_remove_acl hook.
> 
> At inode_remove_acl hook, EVM verifies the file's existing HMAC value. At
> inode_post_remove_acl, EVM re-calculates the file's HMAC with the passed
> POSIX ACL removed and other file metadata.
> 
> Other LSMs could similarly take some action after successful POSIX ACL
> removal.
> 
> The new hook cannot return an error and cannot cause the operation to be
> reverted.
> 
> Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com>
> Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
> Acked-by: Casey Schaufler <casey@schaufler-ca.com>
> Reviewed-by: Mimi Zohar <zohar@linux.ibm.com>
> ---
>  fs/posix_acl.c                |  1 +

Acked-by: Christian Brauner <brauner@kernel.org>

  parent reply	other threads:[~2024-02-09  9:52 UTC|newest]

Thread overview: 101+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-01-15 18:17 [PATCH v9 00/25] security: Move IMA and EVM to the LSM infrastructure Roberto Sassu
2024-01-15 18:17 ` [PATCH v9 01/25] ima: Align ima_inode_post_setattr() definition with " Roberto Sassu
2024-02-08  3:18   ` [PATCH v9 1/25] " Paul Moore
2024-01-15 18:17 ` [PATCH v9 02/25] ima: Align ima_file_mprotect() " Roberto Sassu
2024-02-08  3:18   ` [PATCH v9 2/25] " Paul Moore
2024-01-15 18:17 ` [PATCH v9 03/25] ima: Align ima_inode_setxattr() " Roberto Sassu
2024-02-08  3:18   ` [PATCH v9 3/25] " Paul Moore
2024-01-15 18:17 ` [PATCH v9 04/25] ima: Align ima_inode_removexattr() " Roberto Sassu
2024-02-08  3:18   ` [PATCH v9 4/25] " Paul Moore
2024-01-15 18:17 ` [PATCH v9 05/25] ima: Align ima_post_read_file() " Roberto Sassu
2024-02-08  3:18   ` [PATCH v9 5/25] " Paul Moore
2024-01-15 18:17 ` [PATCH v9 06/25] evm: Align evm_inode_post_setattr() " Roberto Sassu
2024-02-08  3:18   ` [PATCH v9 6/25] " Paul Moore
2024-01-15 18:17 ` [PATCH v9 07/25] evm: Align evm_inode_setxattr() " Roberto Sassu
2024-02-08  3:18   ` [PATCH v9 7/25] " Paul Moore
2024-01-15 18:17 ` [PATCH v9 08/25] evm: Align evm_inode_post_setxattr() " Roberto Sassu
2024-02-08  3:18   ` [PATCH v9 8/25] " Paul Moore
2024-01-15 18:17 ` [PATCH v9 09/25] security: Align inode_setattr hook definition with EVM Roberto Sassu
2024-02-08  3:18   ` [PATCH v9 9/25] " Paul Moore
2024-01-15 18:17 ` [PATCH v9 10/25] security: Introduce inode_post_setattr hook Roberto Sassu
2024-02-08  3:18   ` Paul Moore
2024-02-09 10:17   ` Christian Brauner
2024-01-15 18:17 ` [PATCH v9 11/25] security: Introduce inode_post_removexattr hook Roberto Sassu
2024-02-08  3:18   ` Paul Moore
2024-02-09 10:17   ` Christian Brauner
2024-01-15 18:17 ` [PATCH v9 12/25] security: Introduce file_post_open hook Roberto Sassu
2024-02-08  3:18   ` Paul Moore
2024-02-09  9:56   ` Christian Brauner
2024-02-09  9:59     ` Christian Brauner
2024-02-09 10:12   ` Christian Brauner
2024-02-09 10:46     ` Roberto Sassu
2024-02-09 11:34       ` Christian Brauner
2024-02-09 12:02         ` Roberto Sassu
2024-02-12 21:00   ` Mimi Zohar
2024-02-12 21:16     ` Paul Moore
2024-02-13 12:58       ` Roberto Sassu
2024-02-13 15:33         ` Paul Moore
2024-02-14 20:07           ` Mimi Zohar
2024-02-14 21:21             ` Paul Moore
2024-02-15  8:16               ` Mimi Zohar
2024-02-15 15:02                 ` Paul Moore
2024-01-15 18:17 ` [PATCH v9 13/25] security: Introduce file_release hook Roberto Sassu
2024-01-15 19:15   ` Al Viro
2024-01-16  8:47     ` Roberto Sassu
2024-01-16 16:51       ` Casey Schaufler
2024-01-16 17:33         ` Al Viro
2024-01-16 18:18           ` Casey Schaufler
2024-02-08  3:18   ` Paul Moore
2024-02-09 10:15   ` Christian Brauner
2024-02-12 17:21   ` Stefan Berger
2024-01-15 18:17 ` [PATCH v9 14/25] security: Introduce path_post_mknod hook Roberto Sassu
2024-02-08  3:18   ` Paul Moore
2024-02-09  9:54   ` Christian Brauner
2024-02-12 17:23   ` Stefan Berger
2024-01-15 18:17 ` [PATCH v9 15/25] security: Introduce inode_post_create_tmpfile hook Roberto Sassu
2024-02-08  3:18   ` Paul Moore
2024-02-09  9:53   ` Christian Brauner
2024-02-12 17:26   ` Stefan Berger
2024-01-15 18:18 ` [PATCH v9 16/25] security: Introduce inode_post_set_acl hook Roberto Sassu
2024-02-08  3:18   ` Paul Moore
2024-02-09  9:51   ` Christian Brauner
2024-01-15 18:18 ` [PATCH v9 17/25] security: Introduce inode_post_remove_acl hook Roberto Sassu
2024-02-08  3:18   ` Paul Moore
2024-02-09  9:52   ` Christian Brauner [this message]
2024-01-15 18:18 ` [PATCH v9 18/25] security: Introduce key_post_create_or_update hook Roberto Sassu
2024-02-08  3:18   ` Paul Moore
2024-01-15 18:18 ` [PATCH v9 19/25] integrity: Move integrity_kernel_module_request() to IMA Roberto Sassu
2024-02-08  3:18   ` Paul Moore
2024-02-12 17:37   ` Stefan Berger
2024-02-12 17:56     ` Paul Moore
2024-02-12 20:28       ` Stefan Berger
2024-02-13  8:57         ` Roberto Sassu
2024-02-13 16:31           ` Stefan Berger
2024-02-15  9:29             ` Roberto Sassu
2024-01-15 18:18 ` [PATCH v9 20/25] ima: Move to LSM infrastructure Roberto Sassu
2024-01-16 18:57   ` Casey Schaufler
2024-02-08  3:18   ` Paul Moore
2024-02-09  9:50   ` Christian Brauner
2024-02-12 17:45   ` Stefan Berger
2024-01-15 18:18 ` [PATCH v9 21/25] ima: Move IMA-Appraisal " Roberto Sassu
2024-01-16 19:03   ` Casey Schaufler
2024-02-08  3:18   ` Paul Moore
2024-02-09  9:45   ` Christian Brauner
2024-01-15 18:18 ` [PATCH v9 22/25] evm: Move " Roberto Sassu
2024-02-08  3:18   ` Paul Moore
2024-02-09  9:48   ` Christian Brauner
2024-02-12 18:26   ` Stefan Berger
2024-01-15 18:18 ` [PATCH v9 23/25] evm: Make it independent from 'integrity' LSM Roberto Sassu
2024-01-16 19:39   ` Casey Schaufler
2024-02-08  3:18   ` Paul Moore
2024-02-12 19:13   ` Stefan Berger
2024-01-15 18:18 ` [PATCH v9 24/25] ima: " Roberto Sassu
2024-01-16 19:40   ` Casey Schaufler
2024-02-12 19:47   ` Stefan Berger
2024-01-15 18:18 ` [PATCH v9 25/25] integrity: Remove LSM Roberto Sassu
2024-01-16 19:41   ` Casey Schaufler
2024-02-08  3:18   ` Paul Moore
2024-02-12 19:50   ` Stefan Berger
2024-02-08  3:18 ` [PATCH v9 0/25] security: Move IMA and EVM to the LSM infrastructure Paul Moore
2024-02-08  8:05   ` Roberto Sassu
2024-02-08 14:16     ` Paul Moore

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