From: David Miller <davem@davemloft.net>
To: tgraf@suug.ch
Cc: netdev@vger.kernel.org
Subject: Re: [PATCH] net: Convert skb->csum_(start|offset) integrity BUG_ON() to WARN_ON() & drop
Date: Thu, 14 Feb 2013 13:00:11 -0500 (EST) [thread overview]
Message-ID: <20130214.130011.1650629621355208039.davem@davemloft.net> (raw)
In-Reply-To: <20130214101853.GC21829@casper.infradead.org>
From: Thomas Graf <tgraf@suug.ch>
Date: Thu, 14 Feb 2013 10:18:53 +0000
> On 02/13/13 at 07:37pm, David Miller wrote:
> Maybe it's my general dislike of BUG_ON() in the processing
> path, especially if the bug condition can be influenced remotely.
> It looks absolutely doable to trigger the previously mentioned
> partial acking & collapsing on purpose by a malicious receiver
> even with an MTU of 1500. I believe we should avoid total DoS
> in future similar situations that we don't think of yet.
I heard that people can very effectively protect themselves from DoS's
by not using Infiniband. :-)
prev parent reply other threads:[~2013-02-14 18:00 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-13 23:40 [PATCH] net: Convert skb->csum_(start|offset) integrity BUG_ON() to WARN_ON() & drop Thomas Graf
2013-02-13 23:48 ` Thomas Graf
2013-02-14 0:37 ` David Miller
2013-02-14 10:18 ` Thomas Graf
2013-02-14 16:22 ` Eric Dumazet
2013-02-14 18:50 ` Thomas Graf
2013-02-14 19:21 ` Eric Dumazet
2013-02-14 18:00 ` David Miller [this message]
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