linux-kernel - Re: [PATCH] KEYS: Skip key state checks when checking for possession

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Date:	Tue, 18 Jun 2013 09:55:45 -0700
From:	Greg KH <greg@...ah.com>
To:	David Howells <dhowells@...hat.com>
Cc:	keyrings@...ux-nfs.org, linux-security-module@...r.kernel.org,
	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH] KEYS: Skip key state checks when checking for possession

On Tue, Jun 18, 2013 at 05:47:22PM +0100, David Howells wrote:
> Skip key state checks (invalidation, revocation and expiration) when checking
> for possession.  Without this, keys that have been marked invalid, revoked
> keys and expired keys are not given a possession attribute - which means the
> possessor is not granted any possession permits and cannot do anything with
> them unless they also have one a user, group or other permit.
> 
> This causes failures in the keyutils test suite's revocation and expiration
> tests now that commit 96b5c8fea6c0861621051290d705ec2e971963f1 reduced the
> initial permissions granted to a key.
> 
> The failures are due to accesses to revoked and expired keys being given
> EACCES instead of EKEYREVOKED or EKEYEXPIRED.
> 
> Signed-off-by: David Howells <dhowells@...hat.com>
> ---
> 
>  security/keys/internal.h         |    1 +
>  security/keys/process_keys.c     |    8 +++++---
>  security/keys/request_key.c      |    6 ++++--
>  security/keys/request_key_auth.c |    2 +-
>  4 files changed, 11 insertions(+), 6 deletions(-)
> 

<formletter>

This is not the correct way to submit patches for inclusion in the
stable kernel tree.  Please read Documentation/stable_kernel_rules.txt
for how to do this properly.

</formletter>
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