From: Patrick McHardy <kaber@trash.net>
To: Changli Gao <xiaosuo@gmail.com>
Cc: "David S. Miller" <davem@davemloft.net>,
netfilter-devel@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: [PATCH] netfilter: guard the size of the nf_ct_ext
Date: Mon, 15 Nov 2010 12:10:05 +0100 [thread overview]
Message-ID: <4CE1150D.1080302@trash.net> (raw)
In-Reply-To: <1289801749-8993-1-git-send-email-xiaosuo@gmail.com>
On 15.11.2010 07:15, Changli Gao wrote:
> We'd better guard the size of the nf_ct_ext, as the nf_ct_ext.len is u8.
> If the size is bigger than 255, a warning will be printed.
Why are you checking this in basically every possible spot?
Just checking once during registration (assuming the worst
case of a conntrack using every possible extension) should
be enough.
next prev parent reply other threads:[~2010-11-15 11:10 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-15 6:15 [PATCH] netfilter: guard the size of the nf_ct_ext Changli Gao
2010-11-15 11:10 ` Patrick McHardy [this message]
2010-11-15 11:35 ` Changli Gao
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