From: Oleg Nesterov <oleg@redhat.com>
To: "Serge E. Hallyn" <serge@hallyn.com>
Cc: Cyrill Gorcunov <gorcunov@openvz.org>,
"Eric W. Biederman" <ebiederm@xmission.com>,
LKML <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Pavel Emelyanov <xemul@parallels.com>,
"Serge E. Hallyn" <serge.hallyn@canonical.com>
Subject: Re: [rfc] fcntl: Add F_GETOWNER_UIDS option
Date: Wed, 28 Mar 2012 21:46:14 +0200 [thread overview]
Message-ID: <20120328194613.GA3678@redhat.com> (raw)
In-Reply-To: <20120328194312.GA22211@mail.hallyn.com>
On 03/28, Serge E. Hallyn wrote:
>
> If you want to
> just add the struct cred to the f_owner and do proper uid conversion,
> I'll support that too. (Just grab a ref to the cred in
> fs/fcntl.c:f_modown(), and drop the ref in fs/file_table.c:__fput() ).
In this case f_owner.*uid should go away, I guess. And sigio_perm()
should be unified with kill_ok_by_cred() somehow (modulo
security_file_send_sigiotask).
Right?
Oleg.
next prev parent reply other threads:[~2012-03-28 19:53 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-26 15:09 [rfc] fcntl: Add F_GETOWNER_UIDS option Cyrill Gorcunov
2012-03-26 16:43 ` Oleg Nesterov
2012-03-26 18:33 ` Cyrill Gorcunov
2012-03-27 15:25 ` Oleg Nesterov
2012-03-27 16:58 ` Cyrill Gorcunov
2012-03-27 22:29 ` Serge E. Hallyn
2012-03-27 22:34 ` Cyrill Gorcunov
2012-03-27 22:46 ` Serge E. Hallyn
2012-03-28 2:22 ` Eric W. Biederman
2012-03-28 6:48 ` Cyrill Gorcunov
[not found] ` <m1k425mae1.fsf@fess.ebiederm.org>
2012-03-28 7:55 ` Cyrill Gorcunov
2012-03-28 8:16 ` Cyrill Gorcunov
2012-03-28 19:43 ` Serge E. Hallyn
2012-03-28 19:46 ` Oleg Nesterov [this message]
2012-03-28 21:30 ` Serge Hallyn
2012-03-28 21:32 ` Oleg Nesterov
2012-03-28 21:37 ` Cyrill Gorcunov
2012-03-29 2:30 ` Serge E. Hallyn
2012-03-30 12:31 ` Cyrill Gorcunov
2012-03-30 14:12 ` Serge Hallyn
2012-03-30 14:40 ` Cyrill Gorcunov
2012-03-30 16:15 ` Serge E. Hallyn
2012-03-30 19:46 ` Kees Cook
2012-03-30 19:56 ` Cyrill Gorcunov
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