From: David Miller <davem@redhat.com>
To: eric.dumazet@gmail.com
Cc: tim.c.chen@linux.intel.com, zheng.z.yan@intel.com,
yanzheng@21cn.com, netdev@vger.kernel.org, sfr@canb.auug.org.au,
jirislaby@gmail.com, sedat.dilek@gmail.com, alex.shi@intel.com,
Valdis.Kletnieks@vt.edu
Subject: Re: [PATCH v2 net-next] af_unix: dont send SCM_CREDENTIALS by default
Date: Wed, 28 Sep 2011 13:30:39 -0400 (EDT) [thread overview]
Message-ID: <20110928.133039.889094831443618032.davem@redhat.com> (raw)
In-Reply-To: <1316447547.2539.34.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC>
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Mon, 19 Sep 2011 17:52:27 +0200
> This patch includes SCM_CREDENTIALS information in a af_unix message/skb
> only if requested by the sender, [man 7 unix for details how to include
> ancillary data using sendmsg() system call]
>
> Note: This might break buggy applications that expected SCM_CREDENTIAL
> from an unaware write() system call, and receiver not using SO_PASSCRED
> socket option.
>
> If SOCK_PASSCRED is set on source or destination socket, we still
> include credentials for mere write() syscalls.
I thought a lot about this and I think we should be able to get away
with this trick, so I've added this patch to net-next, thanks!
next prev parent reply other threads:[~2011-09-28 17:30 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-04 5:44 [PATCH -next v2] unix stream: Fix use-after-free crashes Yan, Zheng
2011-09-04 7:12 ` Sedat Dilek
2011-09-04 8:23 ` Yan, Zheng
2011-09-04 15:50 ` Joe Perches
2011-09-06 16:39 ` Tim Chen
2011-09-06 16:25 ` Tim Chen
2011-09-06 17:40 ` Eric Dumazet
2011-09-06 18:50 ` Tim Chen
2011-09-06 19:01 ` Eric Dumazet
2011-09-06 19:33 ` Tim Chen
2011-09-06 19:43 ` Eric Dumazet
2011-09-06 19:59 ` Tim Chen
2011-09-06 20:19 ` Eric Dumazet
2011-09-06 22:08 ` Tim Chen
2011-09-07 2:35 ` Eric Dumazet
2011-09-06 23:09 ` Yan, Zheng
2011-09-07 2:55 ` Eric Dumazet
2011-09-16 23:35 ` David Miller
2011-09-16 16:50 ` Tim Chen
2011-09-19 7:57 ` Eric Dumazet
2011-09-07 4:36 ` Yan, Zheng
2011-09-07 5:08 ` Eric Dumazet
2011-09-07 5:20 ` Yan, Zheng
[not found] ` <1315381503.3400.85.camel@edumazet-laptop>
2011-09-07 12:01 ` Tim Chen
2011-09-07 20:12 ` Sedat Dilek
2011-09-07 20:30 ` Sedat Dilek
2011-09-07 14:37 ` Tim Chen
2011-09-08 0:27 ` Yan, Zheng
2011-09-07 21:06 ` Tim Chen
2011-09-07 21:15 ` Tim Chen
2011-09-08 6:21 ` Eric Dumazet
2011-09-08 4:18 ` Yan, Zheng
2011-09-08 5:59 ` Eric Dumazet
2011-09-08 6:22 ` Yan, Zheng
2011-09-08 7:11 ` Eric Dumazet
2011-09-08 7:23 ` Yan, Zheng
2011-09-08 7:33 ` Eric Dumazet
2011-09-08 9:59 ` Sedat Dilek
2011-09-08 13:21 ` [PATCH net-next v3] af_unix: " Eric Dumazet
2011-09-08 8:37 ` Tim Chen
2011-09-09 6:51 ` Eric Dumazet
2011-09-09 7:58 ` [PATCH net-next] af_unix: fix use after free in unix_stream_recvmsg() Eric Dumazet
2011-09-09 10:39 ` Tim Chen
2011-09-09 10:41 ` [PATCH net-next v3] af_unix: Fix use-after-free crashes Tim Chen
2011-09-08 7:56 ` [PATCH -next v2] unix stream: " Jiri Slaby
2011-09-08 8:43 ` Sedat Dilek
2011-09-08 7:02 ` Sedat Dilek
2011-09-07 21:26 ` Eric Dumazet
2011-09-08 13:28 ` Eric Dumazet
2011-09-08 9:24 ` Tim Chen
2011-09-09 5:06 ` [PATCH net-next] af_unix: dont send SCM_CREDENTIALS by default Eric Dumazet
2011-09-12 19:15 ` Tim Chen
2011-09-19 1:07 ` David Miller
2011-09-19 4:28 ` Eric Dumazet
2011-09-19 15:02 ` Eric Dumazet
2011-09-19 15:52 ` [PATCH v2 " Eric Dumazet
2011-09-19 21:39 ` Tim Chen
2011-09-20 2:10 ` Valdis.Kletnieks
2011-09-20 4:16 ` Eric Dumazet
2011-09-22 16:15 ` tim
2011-11-28 13:23 ` Michal Schmidt
2011-11-28 13:38 ` Eric Dumazet
2011-09-28 17:30 ` David Miller [this message]
2011-09-08 10:05 ` [PATCH -next v2] unix stream: Fix use-after-free crashes Sedat Dilek
2011-09-08 8:50 ` Tim Chen
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