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Re: [Qemu-ppc] [PATCH v4] ppc: add host-serial and host-model machine at


From: Daniel P . Berrangé
Subject: Re: [Qemu-ppc] [PATCH v4] ppc: add host-serial and host-model machine attributes
Date: Mon, 18 Feb 2019 18:29:56 +0000
User-agent: Mutt/1.10.1 (2018-07-13)

On Mon, Feb 18, 2019 at 11:43:49PM +0530, P J P wrote:
> From: Prasad J Pandit <address@hidden>
> 
> On ppc hosts, hypervisor shares following system attributes
> 
>   - /proc/device-tree/system-id
>   - /proc/device-tree/model
> 
> with a guest. This could lead to information leakage and misuse.[*]
> Add machine attributes to control such system information exposure
> to a guest.
> 
> [*] https://wiki.openstack.org/wiki/OSSN/OSSN-0028
> 
> Reported-by: Daniel P. Berrangé <address@hidden>
> Fix-suggested-by: Daniel P. Berrangé <address@hidden>
> Signed-off-by: Prasad J Pandit <address@hidden>
> ---
>  hw/ppc/spapr.c         | 76 ++++++++++++++++++++++++++++++++++++++----
>  include/hw/ppc/spapr.h |  2 ++
>  2 files changed, 72 insertions(+), 6 deletions(-)

Reviewed-by: Daniel P. Berrangé <address@hidden>


Regards,
Daniel
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