netdev - Re: [PATCH] net: Unbreak compat_sys

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Message-Id: <20130606.115352.641926194470746732.davem@redhat.com>
Date:	Thu, 06 Jun 2013 11:53:52 -0700 (PDT)
From:	David Miller <davem@...hat.com>
To:	eric.dumazet@...il.com
Cc:	luto@...capital.net, x86@...nel.org, torvalds@...ux-foundation.org,
	mikey@...ling.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, linuxppc-dev@...abs.org,
	trinity@...r.kernel.org
Subject: Re: [PATCH] net: Unbreak compat_sys_{send,recv}msg

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Thu, 06 Jun 2013 06:45:37 -0700

> On Thu, 2013-06-06 at 00:26 -0700, David Miller wrote:
>> From: Andy Lutomirski <luto@...capital.net>
>> Date: Wed,  5 Jun 2013 22:38:26 -0700
>> 
>> > I broke them in this commit:
>> > 
>> >     commit 1be374a0518a288147c6a7398792583200a67261
>> >     Author: Andy Lutomirski <luto@...capital.net>
>> >     Date:   Wed May 22 14:07:44 2013 -0700
>> > 
>> >         net: Block MSG_CMSG_COMPAT in send(m)msg and recv(m)msg
>> > 
>> > This patch adds __sys_sendmsg and __sys_sendmsg as common helpers that accept
>> > MSG_CMSG_COMPAT and blocks MSG_CMSG_COMPAT at the syscall entrypoints.  It
>> > also reverts some unnecessary checks in sys_socketcall.
>> > 
>> > Apparently I was suffering from underscore blindness the first time around.
>> > 
>> > Signed-off-by: Andy Lutomirski <luto@...capital.net>
>> 
>> Eric, can you test this patch too?
> 
> Yes, this fixes the problem as well on x86_64
> 
> Tested-by: Eric Dumazet <edumazet@...gle.com>

Applied, thanks.
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