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Re: [Qemu-devel] KVM call agenda for tuesday 31


From: Peter Maydell
Subject: Re: [Qemu-devel] KVM call agenda for tuesday 31
Date: Thu, 9 Feb 2012 22:42:51 +0000

On 9 February 2012 22:37, Anthony Liguori <address@hidden> wrote:
> I don't know if I mentioned this, but do we really need variable sizes?
>
> Can we just use a fixed size (pre-allocated) array and then use a
> VMSTATE_SUB_ARRAY?
>
> If it's truly variable size with no upper bound, then that's actually a
> security problem since it implies a guest can do unbounded memory
> allocation.

The array in question is a property of the number of sectors on
the sd card, so it's only unbounded in the same sense that you
could pass an enormous disk image to qemu...

-- PMM



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