Re: [PATCH/FIX] net: Block MSG_CMSG_COMPAT in send(m)msg and recv(m)msg

From: Ingo Molnar <mingo@kernel.org>
Date: Tue, 28 May 2013 10:56:00 +0200

MSG_CMSG_COMPAT is (AFAIK) not intended to be part of the API --
it's a hack that steals a bit to indicate to other networking code
that a compat entry was used.  So don't allow it from a non-compat
syscall.

This prevents an oops when running this code:

 ...

Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Andy Lutomirski <luto@amacapital.net>

Applied and queued up for -stable.