linux-kernel - Re: [PATCH] LSM: Fix for security_inode

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Date:	Mon, 6 Jun 2016 19:38:55 +1000 (AEST)
From:	James Morris <jmorris@...ei.org>
To:	Casey Schaufler <casey@...aufler-ca.com>
cc:	LSM <linux-security-module@...r.kernel.org>,
	"Serge E. Hallyn" <serge@...lyn.com>,
	LKLM <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] LSM: Fix for security_inode_getsecurity and
 -EOPNOTSUPP

On Tue, 31 May 2016, Casey Schaufler wrote:

> Subject: [PATCH] LSM: Fix for security_inode_getsecurity and -EOPNOTSUPP
> 
> Serge Hallyn pointed out that the current implementation of
> security_inode_getsecurity() works if there is only one hook
> provided for it, but will fail if there is more than one and
> the attribute requested isn't supplied by the first module.
> This isn't a problem today, since only SELinux and Smack
> provide this hook and there is (currently) no way to enable
> both of those modules at the same time. Serge, however, wants
> to introduce a capability attribute and an inode_getsecurity
> hook in the capability security module to handle it. This
> addresses that upcoming problem, will be required for "extreme
> stacking" and is just a better implementation.
> 
> Signed-off-by: Casey Schaufler <casey@...aufler-ca.com>

Applied to
git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security.git next

-- 
James Morris
<jmorris@...ei.org>