netdev - Re: [PATCH] net/tipc: initialize security state for new connection socket

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Date:	Wed, 08 Jul 2015 16:08:55 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	sds@...ho.nsa.gov
Cc:	jon.maloy@...csson.com, ying.xue@...driver.com,
	paul@...l-moore.com, linux-security-module@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: [PATCH] net/tipc: initialize security state for new connection
 socket

From: Stephen Smalley <sds@...ho.nsa.gov>
Date: Tue,  7 Jul 2015 09:43:45 -0400

> Calling connect() with an AF_TIPC socket would trigger a series
> of error messages from SELinux along the lines of:
> SELinux: Invalid class 0
> type=AVC msg=audit(1434126658.487:34500): avc:  denied  { <unprintable> }
>   for pid=292 comm="kworker/u16:5" scontext=system_u:system_r:kernel_t:s0
>   tcontext=system_u:object_r:unlabeled_t:s0 tclass=<unprintable>
>   permissive=0
> 
> This was due to a failure to initialize the security state of the new
> connection sock by the tipc code, leaving it with junk in the security
> class field and an unlabeled secid.  Add a call to security_sk_clone()
> to inherit the security state from the parent socket.
> 
> Reported-by: Tim Shearer <tim.shearer@...rturenetworks.com>
> Signed-off-by: Stephen Smalley <sds@...ho.nsa.gov>
> Acked-by: Paul Moore <paul@...l-moore.com>

Applied and queued up for -stable, thanks.
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