Il 05/07/2012 13:40, Sasha Levin ha scritto:
> @@ -275,7 +274,7 @@ static void vm_del_vq(struct virtqueue *vq)
>         vring_del_virtqueue(vq);
>  
>         /* Select and deactivate the queue */
> -       writel(info->queue_index, vm_dev->base + VIRTIO_MMIO_QUEUE_SEL);
> +       writel(virtqueue_get_queue_index(vq), vm_dev->base + 
> VIRTIO_MMIO_QUEUE_SEL);
>         writel(0, vm_dev->base + VIRTIO_MMIO_QUEUE_PFN);
>  

This accesses vq after vring_del_virtqueue has freed it.

Paolo

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