netdev - Re: [PATCH] netfilter: nf_conntrack

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Date:	Mon, 24 Nov 2008 08:06:52 +0800
From:	Wu Fengguang <fengguang.wu@...el.com>
To:	David Miller <davem@...emloft.net>
Cc:	"kaber@...sh.net" <kaber@...sh.net>,
	"linux-net@...r.kernel.org" <linux-net@...r.kernel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH] netfilter: nf_conntrack_sctp: fix build warning

On Sun, Nov 23, 2008 at 11:59:55PM +0200, David Miller wrote:
> From: Wu Fengguang <fengguang.wu@...el.com>
> Date: Sun, 23 Nov 2008 19:33:15 +0800
> 
> linux-net is not the mailing list for network development
> discussion, it is for user questions.  Post patches and
> developer questions to netdev@...r.kernel.org instead.

OK, thanks for the CC!

Fengguang
---

net/netfilter/nf_conntrack_proto_sctp.c: In function ‘sctp_packet’:
net/netfilter/nf_conntrack_proto_sctp.c:376: warning: array subscript is above array bounds

Signed-off-by: Wu Fengguang <wfg@...ux.intel.com>
---

DISCLAIMER: I'm newbie to the code, and this fix could be wrong!

diff --git a/net/netfilter/nf_conntrack_proto_sctp.c b/net/netfilter/nf_conntrack_proto_sctp.c
index ae8c260..d31ced4 100644
--- a/net/netfilter/nf_conntrack_proto_sctp.c
+++ b/net/netfilter/nf_conntrack_proto_sctp.c
@@ -373,6 +373,9 @@ static int sctp_packet(struct nf_conn *ct,
 	}
 	write_unlock_bh(&sctp_lock);
 
+	if (new_state == SCTP_CONNTRACK_MAX)
+		goto out;
+
 	nf_ct_refresh_acct(ct, ctinfo, skb, sctp_timeouts[new_state]);
 
 	if (old_state == SCTP_CONNTRACK_COOKIE_ECHOED &&
--
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