On Tue, Aug 24, 2010 at 03:48:51PM +0200, Alexander Graf wrote:
> +static void hotplug_devices(struct work_struct *dummy)
> +{
> + unsigned int i;
> + struct kvm_device_desc *d;
> + struct device *dev;
> +
> + for (i = 0; i < PAGE_SIZE; i += desc_size(d)) {
This should be
for (i = 0; i + desc_size(d) <= PAGE_SIZE; i += desc_size(d)) {
otherwise you might have memory accesses beyond the device page...
> + d = kvm_devices + i;
> +
> + /* end of list */
> + if (d->type == 0)
> + break;
...even if that should not happen if everything works.
But let's be paranoid.
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