From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753151Ab1IZXrB (ORCPT ); Mon, 26 Sep 2011 19:47:01 -0400 Received: from out4.smtp.messagingengine.com ([66.111.4.28]:60457 "EHLO out4.smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752858Ab1IZXrA (ORCPT ); Mon, 26 Sep 2011 19:47:00 -0400 X-Sasl-enc: qkUtuQIFbgv7P1hGWZcMqHxUKyEEvG1Gf/3b3HJfvkHL 1317080818 Date: Mon, 26 Sep 2011 16:45:40 -0700 From: Greg KH To: Serge Hallyn Cc: Alan Stern , "Serge E. Hallyn" , Oleg Nesterov , lkml , richard@nod.at, Andrew Morton , "Eric W. Biederman" , Tejun Heo , linux-usb@vger.kernel.org Subject: Re: [PATCH 2/2] user namespace: usb: make usb urbs user namespace aware (v2) Message-ID: <20110926234540.GA28525@kroah.com> References: <20110926151829.GA5190@peqn> <20110926154518.GA6897@peqn> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20110926154518.GA6897@peqn> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Sep 26, 2011 at 10:45:18AM -0500, Serge Hallyn wrote: > Add to the dev_state and alloc_async structures the user namespace > corresponding to the uid and euid. Pass these to kill_pid_info_as_uid(), > which can then implement a proper, user-namespace-aware uid check. > > Changelog: > Sep 20: Per Oleg's suggestion: Instead of caching and passing user namespace, > uid, and euid each separately, pass a struct cred. > Sep 26: Address Alan Stern's comments: don't define a struct cred at > usbdev_open(), and take and put a cred at async_completed() to > ensure it lasts for the duration of kill_pid_info_as_cred(). > > Signed-off-by: Serge Hallyn > Cc: Greg KH I have no objection to this, is it going to go through your tree, or somewhere else? If so, please add: Acked-by: Greg Kroah-Hartman to it. greg k-h