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Date:   Fri, 28 Aug 2020 12:27:38 +0200
From:   Greg Kroah-Hartman <>
Cc:, "H . Peter Anvin" <>,
        Thomas Gleixner <>,
        Ingo Molnar <>, Borislav Petkov <>,
        Sean Christopherson <>,
        Yu Wang <>,
        Reinette Chatre <>,,
        Zhi Wang <>,
        Zhenyu Wang <>
Subject: Re: [PATCH 06/17] virt: acrn: Introduce VM management interfaces

On Tue, Aug 25, 2020 at 10:45:06AM +0800, 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 :(


greg k-h

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