netdev - Re: [PATCH 1/2] [IPV4] UDP: Always checksum even if without socket filter

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20071115.185403.138420969.davem@davemloft.net>
Date:	Thu, 15 Nov 2007 18:54:03 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	wangchen@...fujitsu.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH 1/2] [IPV4] UDP: Always checksum even if without socket
 filter

From: Wang Chen <wangchen@...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@...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.
-
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html