On Thu, 2018-08-23 at 09:52 +0200, Greg Kroah-Hartman wrote:
> 4.4-stable review patch. If anyone has any objections, please let me know.
>
> ------------------
>
> From: Casey Schaufler <casey@xxxxxxxxxxxxxxxx>
>
> [ Upstream commit 7b4e88434c4e7982fb053c49657e1c8bbb8692d9 ]
>
> Smack: Mark inode instant in smack_task_to_inode
>
> /proc clean-up in commit 1bbc55131e59bd099fdc568d3aa0b42634dbd188
That change ("/proc clean-up") only went into 4.18 and hasn't been
backported to stable, so does this make sense for earlier stable
branches?
Ben.
> resulted in smack_task_to_inode() being called before smack_d_instantiate.
> This resulted in the smk_inode value being ignored, even while present
> for files in /proc/self. Marking the inode as instant here fixes that.
>
> Signed-off-by: Casey Schaufler <casey@xxxxxxxxxxxxxxxx>
> Signed-off-by: James Morris <james.morris@xxxxxxxxxxxxx>
> Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx>
> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> ---
> security/smack/smack_lsm.c | 1 +
> 1 file changed, 1 insertion(+)
>
> --- a/security/smack/smack_lsm.c
> +++ b/security/smack/smack_lsm.c
> @@ -2260,6 +2260,7 @@ static void smack_task_to_inode(struct t
> struct smack_known *skp = smk_of_task_struct(p);
>
> isp->smk_inode = skp;
> + isp->smk_flags |= SMK_INODE_INSTANT;
> }
>
> /*
>
>
>
--
Ben Hutchings, Software Developer Codethink Ltd
https://www.codethink.co.uk/ Dale House, 35 Dale Street
Manchester, M1 2HF, United Kingdom
