linux-kernel - Re: [PATCH testing] Do not call IPv4 specific func in tcp_check

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Message-Id: <20091104.232214.23355826.davem@davemloft.net>
Date:	Wed, 04 Nov 2009 23:22:14 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	gilad@...efidence.com
Cc:	Valdis.Kletnieks@...edu, netdev@...r.kernel.org, ori@...sleep.com,
	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org
Subject: Re: [PATCH testing] Do not call IPv4 specific func in tcp_check_req

From: Gilad Ben-Yossef <gilad@...efidence.com>
Date: Wed,  4 Nov 2009 18:40:54 +0200

> Calling IPv4 specific inet_csk_route_req in tcp_check_req
> is a bad idea and crashes machine on IPv6 connections, as reported
> by Valdis Kletnieks
> 
> Also, all we are really interested in is the timestamp
> option in the header, so calling tcp_parse_options()
> with the "estab" set to false flag is an overkill as
> it tries to parse half a dozen other TCP options.
> 
> We know whether timestamp should be enabled or not
> using data from request_sock.
> 
> Signed-off-by: Gilad Ben-Yossef <gilad@...efidence.com>

Applied, thanks.

I assume that your other patch which attempted to fix this isn't
necessary.
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