netdev - Re: Re : Oops preceded by WARNING: at net/ipv4/tcp_input.c:1571 tcp_remove_reno

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Message-Id: <20071113.210431.141662500.davem@davemloft.net>
Date:	Tue, 13 Nov 2007 21:04:31 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	ilpo.jarvinen@...sinki.fi
Cc:	guichaz@...oo.fr, netdev@...r.kernel.org
Subject: Re: Re : Oops preceded by WARNING: at net/ipv4/tcp_input.c:1571
 tcp_remove_reno_sacks()

From: "Ilpo_Järvinen" <ilpo.jarvinen@...sinki.fi>
Date: Tue, 13 Nov 2007 23:35:39 +0200 (EET)

> [PATCH] [TCP] FRTO: Plug potential LOST-bit leak
> 
> It might be possible that, in some extreme scenario that
> I just cannot now construct in my mind, end_seq <=
> frto_highmark check does not match causing the lost_out
> and LOST bits become out-of-sync due to clearing and
> recounting in the loop.
> 
> This may fix LOST-bit leak reported by Chazarain Guillaume
> <guichaz@...oo.fr>.
> 
> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@...sinki.fi>

This patch looks correct to me, so I added it to net-2.6

Chazarain please let us know if it does indeed cure your
problem.

Thanks.
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