Re: [PATCH 06/17] virt: acrn: Introduce VM management interfaces

[Greg Kroah-Hartman]

On Tue, Aug 25, 2020 at 10:45:06AM +0800, shuo.a.liu@xxxxxxxxx wrote:
> +	default:
> +		pr_warn("Unknown IOCTL 0x%x!\n", cmd);
> +		ret = -EINVAL;

Wrong error value here, right?

And you just made a simple way to cause a DoS on the kernel log :(

thanks,

greg k-h