linux-kernel - Re: [PATCH v2 89/92] apparmor: convert to ctime accessor functions

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Thu, 6 Jul 2023 16:57:11 +0200
From:   Jan Kara <jack@...e.cz>
To:     Jeff Layton <jlayton@...nel.org>
Cc:     Christian Brauner <brauner@...nel.org>,
        John Johansen <john.johansen@...onical.com>,
        Paul Moore <paul@...l-moore.com>,
        James Morris <jmorris@...ei.org>,
        "Serge E. Hallyn" <serge@...lyn.com>,
        Al Viro <viro@...iv.linux.org.uk>, Jan Kara <jack@...e.cz>,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        apparmor@...ts.ubuntu.com, linux-security-module@...r.kernel.org
Subject: Re: [PATCH v2 89/92] apparmor: convert to ctime accessor functions

On Wed 05-07-23 15:01:54, Jeff Layton wrote:
> In later patches, we're going to change how the inode's ctime field is
> used. Switch to using accessor functions instead of raw accesses of
> inode->i_ctime.
> 
> Signed-off-by: Jeff Layton <jlayton@...nel.org>

Looks good. Feel free to add:

Reviewed-by: Jan Kara <jack@...e.cz>

								Honza

> ---
>  security/apparmor/apparmorfs.c    | 6 +++---
>  security/apparmor/policy_unpack.c | 4 ++--
>  2 files changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/security/apparmor/apparmorfs.c b/security/apparmor/apparmorfs.c
> index 3d0d370d6ffd..7dbd0a5aaeeb 100644
> --- a/security/apparmor/apparmorfs.c
> +++ b/security/apparmor/apparmorfs.c
> @@ -226,7 +226,7 @@ static int __aafs_setup_d_inode(struct inode *dir, struct dentry *dentry,
>  
>  	inode->i_ino = get_next_ino();
>  	inode->i_mode = mode;
> -	inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode);
> +	inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode);
>  	inode->i_private = data;
>  	if (S_ISDIR(mode)) {
>  		inode->i_op = iops ? iops : &simple_dir_inode_operations;
> @@ -1557,7 +1557,7 @@ void __aafs_profile_migrate_dents(struct aa_profile *old,
>  		if (new->dents[i]) {
>  			struct inode *inode = d_inode(new->dents[i]);
>  
> -			inode->i_mtime = inode->i_ctime = current_time(inode);
> +			inode->i_mtime = inode_set_ctime_current(inode);
>  		}
>  		old->dents[i] = NULL;
>  	}
> @@ -2546,7 +2546,7 @@ static int aa_mk_null_file(struct dentry *parent)
>  
>  	inode->i_ino = get_next_ino();
>  	inode->i_mode = S_IFCHR | S_IRUGO | S_IWUGO;
> -	inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode);
> +	inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode);
>  	init_special_inode(inode, S_IFCHR | S_IRUGO | S_IWUGO,
>  			   MKDEV(MEM_MAJOR, 3));
>  	d_instantiate(dentry, inode);
> diff --git a/security/apparmor/policy_unpack.c b/security/apparmor/policy_unpack.c
> index ed180722a833..8b8846073e14 100644
> --- a/security/apparmor/policy_unpack.c
> +++ b/security/apparmor/policy_unpack.c
> @@ -89,10 +89,10 @@ void __aa_loaddata_update(struct aa_loaddata *data, long revision)
>  		struct inode *inode;
>  
>  		inode = d_inode(data->dents[AAFS_LOADDATA_DIR]);
> -		inode->i_mtime = inode->i_ctime = current_time(inode);
> +		inode->i_mtime = inode_set_ctime_current(inode);
>  
>  		inode = d_inode(data->dents[AAFS_LOADDATA_REVISION]);
> -		inode->i_mtime = inode->i_ctime = current_time(inode);
> +		inode->i_mtime = inode_set_ctime_current(inode);
>  	}
>  }
>  
> -- 
> 2.41.0
> 
-- 
Jan Kara <jack@...e.com>
SUSE Labs, CR