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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: shuo.a.liu@intel.com
Cc: linux-kernel@vger.kernel.org, "H . Peter Anvin" <hpa@zytor.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	Sean Christopherson <sean.j.christopherson@intel.com>,
	Yu Wang <yu1.wang@intel.com>,
	Reinette Chatre <reinette.chatre@intel.com>,
	x86@kernel.org, Zhi Wang <zhi.a.wang@intel.com>,
	Zhenyu Wang <zhenyuw@linux.intel.com>
Subject: Re: [PATCH 06/17] virt: acrn: Introduce VM management interfaces
Date: Fri, 28 Aug 2020 12:27:38 +0200	[thread overview]
Message-ID: <20200828102738.GC1470435@kroah.com> (raw)
In-Reply-To: <20200825024516.16766-7-shuo.a.liu@intel.com>

On Tue, Aug 25, 2020 at 10:45:06AM +0800, shuo.a.liu@intel.com 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

  parent reply	other threads:[~2020-08-28 10:27 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-25  2:45 [PATCH 00/17] HSM driver for ACRN hypervisor shuo.a.liu
2020-08-25  2:45 ` [PATCH 01/17] docs: acrn: Introduce ACRN shuo.a.liu
2020-08-25  2:45 ` [PATCH 02/17] x86/acrn: Introduce acrn_{setup, remove}_intr_handler() shuo.a.liu
2020-08-25  2:45 ` [PATCH 03/17] x86/acrn: Introduce an API to check if a VM is privileged shuo.a.liu
2020-08-25  2:45 ` [PATCH 04/17] x86/acrn: Introduce hypercall interfaces shuo.a.liu
2020-08-25  2:45 ` [PATCH 05/17] virt: acrn: Introduce ACRN HSM basic driver shuo.a.liu
2020-08-28 10:25   ` Greg Kroah-Hartman
2020-08-29 10:46     ` Shuo A Liu
2020-08-29 16:12       ` Dave Hansen
2020-08-30  8:16         ` Shuo A Liu
2020-08-25  2:45 ` [PATCH 06/17] virt: acrn: Introduce VM management interfaces shuo.a.liu
2020-08-28 10:27   ` Greg Kroah-Hartman
2020-08-29 10:55     ` Shuo A Liu
2020-08-28 10:27   ` Greg Kroah-Hartman [this message]
2020-08-29 11:04     ` Shuo A Liu
2020-08-30  7:23       ` Greg Kroah-Hartman
2020-08-31  6:25         ` Shuo A Liu
2020-08-25  2:45 ` [PATCH 07/17] virt: acrn: Introduce an ioctl to set vCPU registers state shuo.a.liu
2020-08-25  2:45 ` [PATCH 08/17] virt: acrn: Introduce EPT mapping management shuo.a.liu
2020-08-25  2:45 ` [PATCH 09/17] virt: acrn: Introduce I/O request management shuo.a.liu
2020-08-25  2:45 ` [PATCH 10/17] virt: acrn: Introduce PCI configuration space PIO accesses combiner shuo.a.liu
2020-08-25  2:45 ` [PATCH 11/17] virt: acrn: Introduce interfaces for PCI device passthrough shuo.a.liu
2020-08-25  2:45 ` [PATCH 12/17] virt: acrn: Introduce interrupt injection interfaces shuo.a.liu
2020-08-25  2:45 ` [PATCH 13/17] virt: acrn: Introduce interfaces to query C-states and P-states allowed by hypervisor shuo.a.liu
2020-08-25  2:45 ` [PATCH 14/17] virt: acrn: Introduce I/O ranges operation interfaces shuo.a.liu
2020-08-25  2:45 ` [PATCH 15/17] virt: acrn: Introduce ioeventfd shuo.a.liu
2020-08-25  2:45 ` [PATCH 16/17] virt: acrn: Introduce irqfd shuo.a.liu
2020-08-25  2:45 ` [PATCH 17/17] virt: acrn: Introduce an interface for Service VM to control vCPU shuo.a.liu

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