From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from eggs.gnu.org ([2001:4830:134:3::10]:58457)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <paolo.bonzini@gmail.com>) id 1WLasj-0002Qn-Q3
	for qemu-devel@nongnu.org; Thu, 06 Mar 2014 11:10:58 -0500
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <paolo.bonzini@gmail.com>) id 1WLasb-0004De-CZ
	for qemu-devel@nongnu.org; Thu, 06 Mar 2014 11:10:49 -0500
Received: from mail-ea0-x231.google.com ([2a00:1450:4013:c01::231]:40976)
	by eggs.gnu.org with esmtp (Exim 4.71)
	(envelope-from <paolo.bonzini@gmail.com>) id 1WLasb-0004DJ-5I
	for qemu-devel@nongnu.org; Thu, 06 Mar 2014 11:10:41 -0500
Received: by mail-ea0-f177.google.com with SMTP id h10so1776438eak.22
	for <qemu-devel@nongnu.org>; Thu, 06 Mar 2014 08:10:40 -0800 (PST)
Sender: Paolo Bonzini <paolo.bonzini@gmail.com>
Message-ID: <53189DFD.6020104@redhat.com>
Date: Thu, 06 Mar 2014 17:10:37 +0100
From: Paolo Bonzini <pbonzini@redhat.com>
MIME-Version: 1.0
References: <20140306145017.1761.50037.stgit@localhost>
In-Reply-To: <20140306145017.1761.50037.stgit@localhost>
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
Subject: Re: [Qemu-devel] [PATCH] seccomp: add getrusage() to the syscall
 whitelist for Open vSwitch
List-Id: <qemu-devel.nongnu.org>
List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>
List-Archive: <http://lists.nongnu.org/archive/html/qemu-devel>
List-Post: <mailto:qemu-devel@nongnu.org>
List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help>
List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=subscribe>
To: Paul Moore <pmoore@redhat.com>, qemu-devel@nongnu.org, otubo@linux.vnet.ibm.com

Il 06/03/2014 15:50, Paul Moore ha scritto:
> When QEMU is used with Open vSwitch it is common to create netdev
> script and downscript scripts that use the ovs-vsctl command to manage
> the underlying network devices.  Unfortunately, ovs-vsctl calls the
> getrusage() syscall which is not currently present in the QEMU/seccomp
> whistelist.
>
> Signed-off-by: Paul Moore <pmoore@redhat.com>
> ---
>  qemu-seccomp.c |    3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/qemu-seccomp.c b/qemu-seccomp.c
> index caa926e..86210a4 100644
> --- a/qemu-seccomp.c
> +++ b/qemu-seccomp.c
> @@ -225,7 +225,8 @@ static const struct QemuSeccompSyscall seccomp_whitelist[] = {
>      { SCMP_SYS(fchmod), 240 },
>      { SCMP_SYS(shmget), 240 },
>      { SCMP_SYS(shmat), 240 },
> -    { SCMP_SYS(shmdt), 240 }
> +    { SCMP_SYS(shmdt), 240 },
> +    { SCMP_SYS(getrusage), 240 }
>  };
>
>  int seccomp_start(void)
>
>
>

NACK, when QEMU is used in sandbox mode you should use file descriptor 
passing instead.

Paolo