netdev - Re: [PATCH] iucv: properly clone LSM attributes to newly created child sockets

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Message-ID: <CAGH-Kgs-jg381WW818NKhdCkd06yXSRrgN0+A4migVM6FwUSVg@mail.gmail.com>
Date:	Thu, 9 Jun 2016 09:01:52 -0400
From:	Paul Moore <pmoore@...hat.com>
To:	linux-s390@...r.kernel.org, netdev@...r.kernel.org
Cc:	linux-security-module@...r.kernel.org, selinux@...ho.nsa.gov
Subject: Re: [PATCH] iucv: properly clone LSM attributes to newly created
 child sockets

On Thu, Jun 9, 2016 at 8:59 AM, Paul Moore <pmoore@...hat.com> wrote:
> From: Paul Moore <paul@...l-moore.com>
>
> Much like we had to do for AF_BLUETOOTH and AF_ALG, make sure we
> properly clone the parent socket's LSM attributes to newly created
> child sockets.
>
> Signed-off-by: Paul Moore <paul@...l-moore.com>
> ---
>  net/iucv/af_iucv.c |    5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)

Another small, and obvious, fix so I'm going to merge it into
selinux#next now, but if anyone has an objection please let me know.

> diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c
> index fc3598a..a0d1e36 100644
> --- a/net/iucv/af_iucv.c
> +++ b/net/iucv/af_iucv.c
> @@ -22,6 +22,7 @@
>  #include <linux/skbuff.h>
>  #include <linux/init.h>
>  #include <linux/poll.h>
> +#include <linux/security.h>
>  #include <net/sock.h>
>  #include <asm/ebcdic.h>
>  #include <asm/cpcmd.h>
> @@ -530,8 +531,10 @@ static void iucv_sock_close(struct sock *sk)
>
>  static void iucv_sock_init(struct sock *sk, struct sock *parent)
>  {
> -       if (parent)
> +       if (parent) {
>                 sk->sk_type = parent->sk_type;
> +               security_sk_clone(parent, sk);
> +       }
>  }
>
>  static struct sock *iucv_sock_alloc(struct socket *sock, int proto, gfp_t prio, int kern)
>

-- 
paul moore
security @ redhat