From: Oren Laadan <orenl-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
To: "Serge E. Hallyn" <serue-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
Cc: Linux Containers
<containers-qjLDD68F18O7TbgM5vRIOg@public.gmane.org>,
David Howells <dhowells-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
alexey-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org
Subject: Re: [PATCH 4/6] cr: checkpoint and restore task credentials
Date: Wed, 20 May 2009 12:56:54 -0400 [thread overview]
Message-ID: <4A143656.9080001@cs.columbia.edu> (raw)
In-Reply-To: <20090519014538.GD28312-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
Serge E. Hallyn wrote:
> +static struct user_namespace *restore_read_userns(struct ckpt_ctx *ctx)
> +{
> + struct ckpt_hdr_user_ns *h;
> + struct user_namespace *ns;
> + struct user_struct *new_root, *creator;
> +
> + h = ckpt_read_obj_type(ctx, sizeof(*h), CKPT_HDR_USER_NS);
> + if (IS_ERR(h))
> + return ERR_PTR(PTR_ERR(h));
> + if (h->flags & CKPT_USERNS_INIT) {
Perhaps make it future-safe by disallowing other flags ?
> + ckpt_hdr_put(ctx, h);
> + /* grab an extra ref bc objhash will drop an extra */
> + return get_user_ns(current_user_ns());
> + }
Oren.
prev parent reply other threads:[~2009-05-20 16:56 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-19 1:44 [PATCH 0/6] cr: credentials Serge E. Hallyn
[not found] ` <20090519014446.GA28277-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-05-19 1:45 ` [PATCH 1/6] cr: break out new_user_ns() Serge E. Hallyn
2009-05-19 1:45 ` [PATCH 2/6] cr: split core function out of some set*{u,g}id functions Serge E. Hallyn
2009-05-19 1:45 ` [PATCH 3/6] cr: capabilities: define checkpoint and restore fns Serge E. Hallyn
2009-05-19 1:45 ` [PATCH 4/6] cr: checkpoint and restore task credentials Serge E. Hallyn
2009-05-19 1:45 ` [PATCH 5/6] cr: restore file->f_cred Serge E. Hallyn
[not found] ` <20090519014546.GE28312-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-05-20 15:08 ` Oren Laadan
[not found] ` <4A141CEE.2080100-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
2009-05-20 15:25 ` Serge E. Hallyn
[not found] ` <20090520152527.GA28585-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-05-20 15:26 ` Oren Laadan
2009-05-19 1:45 ` [PATCH 6/6] user namespaces: debug refcounts Serge E. Hallyn
[not found] ` <20090519014538.GD28312-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-05-19 8:26 ` [PATCH 4/6] cr: checkpoint and restore task credentials David Howells
[not found] ` <16258.1242721606-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-05-19 13:35 ` Serge E. Hallyn
[not found] ` <20090519133526.GB32685-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-05-19 14:26 ` David Howells
[not found] ` <19394.1242743199-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-05-19 14:46 ` Serge E. Hallyn
2009-05-20 15:35 ` Oren Laadan
[not found] ` <4A142350.1060308-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
2009-05-20 15:53 ` Serge E. Hallyn
[not found] ` <20090520155332.GA28999-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-05-20 16:08 ` Oren Laadan
[not found] ` <4A142B05.4040907-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
2009-05-20 16:13 ` Serge E. Hallyn
2009-05-20 16:54 ` Oren Laadan
[not found] ` <4A1435E0.3010306-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
2009-05-20 21:40 ` Serge E. Hallyn
[not found] ` <20090520214027.GA3517-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-05-21 14:02 ` Oren Laadan
[not found] ` <4A155EEC.9070509-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
2009-05-21 14:14 ` Serge E. Hallyn
2009-05-20 21:52 ` Serge E. Hallyn
[not found] ` <20090520215250.GB3517-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-05-21 14:13 ` Oren Laadan
2009-05-20 22:16 ` Serge E. Hallyn
[not found] ` <20090520221600.GA3925-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-05-21 6:03 ` Oren Laadan
2009-05-20 16:56 ` Oren Laadan [this message]
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