Re: [Qemu-devel] virtio device error reporting best practice?

[Richard W.M. Jones]

On Mon, Mar 17, 2014 at 02:40:09PM +0000, Peter Maydell wrote:
> On 17 March 2014 14:28, Laszlo Ersek <address@hidden> wrote:
> > On 03/17/14 07:02, Dave Airlie wrote:
> >> The main reason I'm considering this stuff is for security reasons if
> >> the guest asks for something really illegal or crazy what should the
> >> expected behaviour of the host be? (at least secure I know that).
> >
> > exit(1).
> 
> No thanks -- the guest should never be able to cause QEMU
> to exit (in an ideal world). Use
>    qemu_log_mask(LOG_GUEST_ERROR, ...)
> and continue.

Don't look too closely at the spice backend ...

https://bugzilla.redhat.com/buglist.cgi?component=spice&list_id=2320267

Rich.

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
libguestfs lets you edit virtual machines.  Supports shell scripting,
bindings from many languages.  http://libguestfs.org