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From: David Howells <dhowells@redhat.com>
To: Oleg Nesterov <oleg@redhat.com>
Cc: dhowells@redhat.com, Andrew Morton <akpm@linux-foundation.org>,
	Andi Kleen <andi@firstfloor.org>,
	Neil Horman <nhorman@tuxdriver.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH -mm 1/2] umh && creds: convert call_usermodehelper_keys() to use subprocess_info->init()
Date: Fri, 26 Feb 2010 18:00:38 +0000	[thread overview]
Message-ID: <16951.1267207238@redhat.com> (raw)
In-Reply-To: <20100225181500.GA18008@redhat.com>

Oleg Nesterov <oleg@redhat.com> wrote:

> +	/*
> +	 * This is called in context of freshly forked kthread before
> +	 * kernel_execve(), we can just change our ->session_keyring.
> +	 */

Ummmm....  What gives you that idea?

You may be sharing init_cred...

You need to create, modify and commit a new set of creds.

David

  reply	other threads:[~2010-02-26 18:00 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-02-25 18:15 [PATCH -mm 1/2] umh && creds: convert call_usermodehelper_keys() to use subprocess_info->init() Oleg Nesterov
2010-02-26 18:00 ` David Howells [this message]
2010-02-26 18:23   ` Oleg Nesterov
2010-02-26 18:41     ` David Howells
2010-02-26 18:52       ` Oleg Nesterov
2010-02-26 20:03       ` [PATCH v2 -mm 0/2] umh && creds: kill sub_info->cred Oleg Nesterov
2010-02-26 20:03         ` [PATCH v2 -mm 1/2] umh && creds: convert call_usermodehelper_keys() to use subprocess_info->init() Oleg Nesterov
2010-02-26 20:28           ` Neil Horman
2010-02-26 20:42           ` David Howells
2010-02-26 20:53             ` Oleg Nesterov
2010-02-26 23:24               ` David Howells
2010-03-05 22:52                 ` Oleg Nesterov
2010-03-05 23:09                   ` [PATCH,RESEND " Oleg Nesterov
2010-03-08 13:19                     ` David Howells
2010-03-08 17:44                     ` Neil Horman
2010-03-05 23:10                   ` [PATCH,RESEND -mm 2/2] umh && creds: kill subprocess_info->cred logic Oleg Nesterov
2010-03-08 13:19                     ` David Howells
2010-03-08 17:47                     ` Neil Horman
2010-02-26 20:04         ` [PATCH v2 " Oleg Nesterov
2010-02-26 20:29           ` Neil Horman

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