From: Ingo Molnar <mingo@kernel.org>
To: David Miller <davem@davemloft.net>
Cc: luto@amacapital.net, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, x86@kernel.org,
trinity@vger.kernel.org
Subject: Re: [PATCH/FIX] net: Block MSG_CMSG_COMPAT in send(m)msg and recv(m)msg
Date: Wed, 29 May 2013 10:11:47 +0200 [thread overview]
Message-ID: <20130529081147.GC24933@gmail.com> (raw)
In-Reply-To: <20130528.235628.1501314742626907861.davem@davemloft.net>
* David Miller <davem@davemloft.net> wrote:
> 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.
Thanks David!
Ingo
next prev parent reply other threads:[~2013-05-29 8:11 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-22 21:07 [PATCH 0/5] x86: oops on uaccess faults outside of user addresses Andy Lutomirski
2013-05-22 21:07 ` [PATCH 1/5] x86: Split "utter crap" pnpbios fixup out of fixup_exception Andy Lutomirski
2013-05-22 21:07 ` [PATCH 2/5] x86: Clean up extable entry format (and free up a bit) Andy Lutomirski
2013-05-22 21:07 ` [PATCH 3/5] x86: Annotate _ASM_EXTABLE users to distinguish uaccess from everything else Andy Lutomirski
2013-05-22 21:07 ` [PATCH 4/5] x86: Don't fixup uaccess faults to kernel or non-canonical addresses Andy Lutomirski
2013-05-22 21:07 ` [PATCH 5/5] net: Block MSG_CMSG_COMPAT in send(m)msg and recv(m)msg Andy Lutomirski
2013-05-28 8:56 ` [PATCH/FIX] " Ingo Molnar
2013-05-29 6:56 ` David Miller
2013-05-29 8:11 ` Ingo Molnar [this message]
2013-06-06 2:56 ` [PATCH 5/5] " Michael Neuling
2013-06-06 3:01 ` Anton Blanchard
2013-06-06 3:29 ` Stephen Rothwell
2013-06-06 5:38 ` [PATCH] net: Unbreak compat_sys_{send,recv}msg Andy Lutomirski
2013-06-06 5:48 ` Michael Neuling
2013-06-06 7:26 ` David Miller
2013-06-06 13:45 ` Eric Dumazet
2013-06-06 18:53 ` David Miller
2013-06-06 4:35 ` [PATCH 5/5] net: Block MSG_CMSG_COMPAT in send(m)msg and recv(m)msg Eric Dumazet
2013-06-06 5:00 ` David Miller
2013-05-22 21:28 ` [PATCH 0/5] x86: oops on uaccess faults outside of user addresses David Miller
2013-05-28 8:25 ` Ingo Molnar
2013-05-28 8:51 ` David Miller
2013-05-28 8:54 ` Ingo Molnar
2013-06-13 22:00 ` Andy Lutomirski
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