Re: [PATCH] compat bug in sys_recvmsg, MSG_CMSG_COMPAT check missing

["David S. Miller" <davem@xxxxxxxxxx>]

On Sat, 5 Jun 2004 23:17:01 +0200
Olaf Hering <olh@xxxxxxx> wrote:

>  On Sat, Jun 05, David S. Miller wrote:
> 
> > I can't see a reason, can anyone else?  If there is no reason, the
> > right fix is simply to mask it out at the top level, for both
> > sendmsg and recvmsg.
> 
> I did it first this way, but the result was a long delay until the dhcp
> server replied, the patch sent earlier leads to a fast reply.
> 
>     err = sock_recvmsg(sock, &msg_sys, total_len, flags & ~MSG_CMSG_COMPAT);

See my other email, net/core/scm.c needs this bit set all the
way down into the implementations.