From: Paul Moore <paul@paul-moore.com>
To: John Stultz <johnstul@us.ibm.com>
Cc: "Serge E. Hallyn" <serge@hallyn.com>,
lkml <linux-kernel@vger.kernel.org>,
James Morris <james.l.morris@oracle.com>,
selinux@tycho.nsa.gov, Eric Dumazet <edumazet@google.com>,
john.johansen@canonical.com
Subject: Re: NULL pointer dereference in selinux_ip_postroute_compat
Date: Wed, 08 Aug 2012 15:26:54 -0400 [thread overview]
Message-ID: <17464273.DGOeQvDGIE@sifl> (raw)
In-Reply-To: <5022BAA2.90606@us.ibm.com>
On Wednesday, August 08, 2012 12:14:42 PM John Stultz wrote:
> So I bisected this down and it seems to be the following commit:
>
> commit be9f4a44e7d41cee50ddb5f038fc2391cbbb4046
> Author: Eric Dumazet <edumazet@google.com>
> Date: Thu Jul 19 07:34:03 2012 +0000
>
> ipv4: tcp: remove per net tcp_sock
>
>
> It doesn't revert totally cleanly, but after fixing up the rejections
> and booting with this patch removed on top of Linus' head the oops on
> shutdown goes away.
Thanks!
It looks the like there is a bug in ip_send_unicast_reply() which uses a
inet_sock/sock struct which does not have the LSM data properly initialized.
I'll put together a patch shortly.
--
paul moore
www.paul-moore.com
next prev parent reply other threads:[~2012-08-08 19:27 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-07 18:12 NULL pointer dereference in selinux_ip_postroute_compat John Stultz
2012-08-07 21:50 ` Paul Moore
2012-08-07 21:58 ` John Stultz
2012-08-07 22:01 ` Paul Moore
2012-08-07 22:17 ` Serge E. Hallyn
2012-08-07 22:23 ` Paul Moore
2012-08-07 22:37 ` John Stultz
2012-08-08 19:14 ` John Stultz
2012-08-08 19:26 ` Paul Moore [this message]
2012-08-08 19:38 ` Eric Dumazet
2012-08-08 19:49 ` John Stultz
2012-08-08 20:04 ` Eric Dumazet
2012-08-08 19:50 ` Paul Moore
2012-08-08 20:04 ` Eric Dumazet
2012-08-08 19:59 ` Eric Paris
2012-08-08 20:09 ` Eric Dumazet
2012-08-08 20:32 ` Eric Dumazet
2012-08-08 20:46 ` Paul Moore
2012-08-08 21:54 ` Eric Dumazet
2012-08-09 0:00 ` Casey Schaufler
2012-08-09 13:30 ` Paul Moore
2012-08-09 14:27 ` Eric Dumazet
2012-08-09 15:04 ` Paul Moore
2012-08-09 14:50 ` [PATCH] ipv4: tcp: security_sk_alloc() needed for unicast_sock Eric Dumazet
2012-08-09 15:07 ` Paul Moore
2012-08-09 15:36 ` Eric Dumazet
2012-08-09 15:59 ` Paul Moore
2012-08-09 16:05 ` Eric Paris
2012-08-09 16:09 ` Paul Moore
2012-08-09 17:46 ` Eric Dumazet
2012-08-09 20:06 ` Eric Paris
2012-08-09 20:19 ` Paul Moore
2012-08-09 21:29 ` Eric Dumazet
2012-08-09 21:53 ` Casey Schaufler
2012-08-09 22:05 ` Eric Dumazet
2012-08-09 22:26 ` Casey Schaufler
2012-08-09 23:38 ` David Miller
2012-08-09 23:56 ` [PATCH] ipv4: tcp: unicast_sock should not land outside of TCP stack Eric Dumazet
2012-08-10 4:05 ` David Miller
2012-08-08 20:35 ` NULL pointer dereference in selinux_ip_postroute_compat Paul Moore
2012-08-08 20:51 ` Eric Paris
2012-08-08 21:03 ` Paul Moore
2012-08-08 21:09 ` Eric Paris
2012-08-08 19:29 ` Eric Dumazet
2012-08-08 16:58 ` John Johansen
2012-08-07 22:26 ` John Stultz
2012-08-07 22:31 ` John Stultz
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