Re: [Xen-devel] [PATCH v6] run QEMU as non-root

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Thu, 9 Jul 2015, Ian Campbell wrote:
> On Wed, 2015-07-01 at 13:50 +0100, Stefano Stabellini wrote:
> 
> > @@ -878,6 +908,33 @@ static char ** 
> > libxl__build_device_model_args_new(libxl__gc *gc,
> >          default:
> >              break;
> >          }
> > +
> > +        if (b_info->device_model_user) {
> > +            user = b_info->device_model_user;
> > +            if (libxl__dm_runas_helper(gc, user) <= 0)
> > +                user = NULL;
> 
> I think this case should be an error, rather than continuing and running
> qemu as root.

I agree. I think it is best to start the guest with -runas user, exactly
as requested and if it doesn't work, we'll catch the error later when it
happens.

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