netdev - Re: [PATCH] b43: Increase number of RX DMA slots

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Message-ID: <5123C43D.2020602@lwfinger.net>
Date:	Tue, 19 Feb 2013 12:28:13 -0600
From:	Larry Finger <Larry.Finger@...inger.net>
To:	David Miller <davem@...emloft.net>
CC:	David.Laight@...LAB.COM, linville@...driver.com,
	linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
	bittorf@...ebottle.com, stable@...r.kernel.org
Subject: Re: [PATCH] b43: Increase number of RX DMA slots

On 02/19/2013 12:15 PM, David Miller wrote:

> I understand your constraints, but this is a trivially remotely
> DoS'able condition even on slow CPU atom laptops.
>
> Send an "expansive" full sized frame followed by 300 or so 64-byte UDP
> packets --> instant hang.

Thanks for the suggestion for a test. I think the reset solution should survive 
with only some packet loss, but we will find out.

Larry


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