From: Larry Finger <Larry.Finger@lwfinger.net>
To: David Miller <davem@davemloft.net>
Cc: David.Laight@ACULAB.COM, linville@tuxdriver.com,
linux-wireless@vger.kernel.org, netdev@vger.kernel.org,
bittorf@bluebottle.com, stable@vger.kernel.org
Subject: Re: [PATCH] b43: Increase number of RX DMA slots
Date: Tue, 19 Feb 2013 12:28:13 -0600 [thread overview]
Message-ID: <5123C43D.2020602@lwfinger.net> (raw)
In-Reply-To: <20130219.131553.787630407148880340.davem@davemloft.net>
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
next prev parent reply other threads:[~2013-02-19 18:28 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-18 3:01 [PATCH] b43: Increase number of RX DMA slots Larry Finger
[not found] ` <1361156480-32566-1-git-send-email-Larry.Finger-tQ5ms3gMjBLk1uMJSBkQmQ@public.gmane.org>
2013-02-18 16:18 ` Rafał Miłecki
[not found] ` <CACna6rwLgE+o2mcRTemLFAqzdsEoA9Xyx8GyEQTh5qbv1iZ04A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-02-18 16:55 ` Bastian Bittorf
2013-02-18 17:04 ` Larry Finger
2013-02-18 20:10 ` Larry Finger
2013-02-19 20:01 ` Bastian Bittorf
2013-02-19 5:52 ` David Miller
2013-02-19 9:42 ` David Laight
2013-02-19 9:57 ` Rafał Miłecki
2013-02-19 17:57 ` Larry Finger
2013-02-19 18:15 ` David Miller
2013-02-19 18:28 ` Larry Finger [this message]
2013-02-20 0:47 ` Julian Calaby
2013-02-20 2:42 ` Larry Finger
[not found] ` <512437FA.2030105-tQ5ms3gMjBLk1uMJSBkQmQ@public.gmane.org>
2013-02-20 6:26 ` Gábor Stefanik
2013-02-20 7:15 ` Larry Finger
[not found] ` <5124782D.3050803-tQ5ms3gMjBLk1uMJSBkQmQ@public.gmane.org>
2013-02-20 8:15 ` Bastian Bittorf
2013-02-20 15:49 ` Larry Finger
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