On Aug 29, 2015, at 7:12 PM, Eric Blake wrote:

> On 08/29/2015 02:18 PM, Programmingkid wrote:
> 
>>> 
>>> (1) 'change' always uses 'raw' as the format, but the selector
>>> apparently offers you the full range of image formats
>>> (supportedImageFileTypes).
>> 
>> So far it has worked out just fine. Doesn't QEMU detect the format itself?
> 
> You DON'T want to rely on qemu detecting the format itself.  That is a
> CVE waiting to happen.  If you hand a raw disk to the guest, and the
> guest writes particular metadata to resemble some other format, and then
> qemu probes that other format, you have allowed the guest to take over
> the host.

What is the answer? How do we know what to use in place of "raw"?

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