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xen-devel
Re: [Xen-devel] [PATCH] QEMU "drive_init()" Disk Format Security Bypass
Markus Armbruster writes ("Re: [Xen-devel] [PATCH] QEMU "drive_init()" Disk
Format Security Bypass"):
> Patch looks sane. I backported it to F-8 and verified that:
>
> 1. usbdevice = "disk:IMG" opens the image IMG raw regardless of file
> contents. Same for monitor command usb_add disk:IMG.
>
> 2. usbdevice = "disk-qcow:IMG" opens the qcow image IMG correctly.
> Same for monitor command usb_add disk-qcow:IMG.
Good, thanks.
> I believe monitor command change is still broken. I tried "change fda
> IMG", with a qcow image IMG, and it was opened qcow. But changing to
> a raw image failed; I think that feature was broken by by your
> security fix.
Yes, this is expected. If this is a problem then we need a more
sophisticated solution. NB that hopefully xen-unstable will acquire a
much more recent qemu shortly so there is no need to fix it right now
for xen-unstable unless it's a big problem which I think it probably
isn't given how long it's been like this now ...
Ian.
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