From: David Miller <davem@davemloft.net>
To: wangchen@cn.fujitsu.com
Cc: netdev@vger.kernel.org
Subject: Re: [PATCH 1/2] [IPV4] UDP: Always checksum even if without socket filter
Date: Thu, 15 Nov 2007 18:54:03 -0800 (PST) [thread overview]
Message-ID: <20071115.185403.138420969.davem@davemloft.net> (raw)
In-Reply-To: <473D0482.4050705@cn.fujitsu.com>
From: Wang Chen <wangchen@cn.fujitsu.com>
Date: Fri, 16 Nov 2007 10:46:26 +0800
> The current kernel doesn't verify the udp checksum if user doesn't set a
> socket filter.It's fine for LAN. But for WAN, it's not a good option.
> Shall we fix it? Below is the patch to make udp checksum be always
> available.
>
> [IPV4] UDP: Always checksum even if without socket filter
> Make udp checksum be always available even if without socket filter.
>
> Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com>
It checks the checksum in udp_recvmsg() and udp_poll().
Please do not fix bugs via code inspection without writing
test programs to validate whether there is really a "bug"
here or not.
next prev parent reply other threads:[~2007-11-16 2:54 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-16 2:46 [PATCH 1/2] [IPV4] UDP: Always checksum even if without socket filter Wang Chen
2007-11-16 2:54 ` David Miller [this message]
2007-11-16 3:18 ` Wang Chen
2007-11-16 4:04 ` David Miller
2007-11-16 4:13 ` Wang Chen
2007-11-16 17:02 ` Benny Amorsen
2007-11-16 4:11 ` Herbert Xu
2007-11-16 4:17 ` Wang Chen
2007-11-17 13:18 ` Andi Kleen
2007-11-18 0:09 ` David Miller
2007-11-18 21:45 ` Andi Kleen
2007-11-18 22:40 ` David Miller
2007-11-19 1:09 ` Herbert Xu
2007-11-19 8:26 ` David Miller
2007-11-19 2:02 ` Wang Chen
2007-11-19 8:30 ` David Miller
2007-11-19 4:41 ` Herbert Xu
2007-11-19 8:32 ` David Miller
2007-11-19 11:49 ` Arnaldo Carvalho de Melo
2007-11-19 15:29 ` Andi Kleen
2007-11-19 22:23 ` David Miller
2007-11-20 5:29 ` Bill Fink
2007-11-20 6:15 ` David Miller
2007-11-20 6:25 ` Wang Chen
2007-11-20 6:31 ` Herbert Xu
2007-11-20 14:05 ` Andi Kleen
2007-11-21 1:39 ` David Miller
2007-11-29 7:55 ` Wang Chen
2007-11-29 9:21 ` Herbert Xu
2007-11-29 10:08 ` Wang Chen
2007-11-29 10:21 ` Herbert Xu
2007-11-29 10:33 ` Wang Chen
2007-11-29 10:38 ` Herbert Xu
2007-11-29 10:56 ` Gerrit Renker
2007-11-29 12:01 ` Herbert Xu
2007-11-18 22:14 ` Stephen Hemminger
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