Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964937Ab3IDRwn (ORCPT ); Wed, 4 Sep 2013 13:52:43 -0400 Received: from one.firstfloor.org ([193.170.194.197]:49911 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964859Ab3IDRwl (ORCPT ); Wed, 4 Sep 2013 13:52:41 -0400 Date: Wed, 4 Sep 2013 19:52:39 +0200 From: Andi Kleen To: Pavel Emelyanov Cc: Janani Venkataraman , linux-kernel@vger.kernel.org, Jeremy Fitzhardinge , Daisuke HATAYAMA , Andi Kleen , Roland McGrath , Amerigo Wang , Christoph Hellwig , Linus Torvalds , KOSAKI Motohiro , Masami Hiramatsu , Andrew Morton , Alexey Dobriyan , Oleg Nesterov , Tejun Heo , avagin@openvz.org, gorcunov@openvz.org, James Hogan , Mike Frysinger , "Randy.Dunlap" , Eric Paris , ananth@in.ibm.com, suzuki@in.ibm.com, aravinda@linux.vnet.ibm.com, tarundeep.singh@in.ibm.com Subject: Re: RFD: Non-Disruptive Core Dump Infrastructure Message-ID: <20130904175239.GO19750@two.firstfloor.org> References: <522472DA.4000702@linux.vnet.ibm.com> <5225A02B.6080901@linux.vnet.ibm.com> <5225BA91.6080904@parallels.com> <5225BE3A.3090602@linux.vnet.ibm.com> <5225C001.2010208@parallels.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5225C001.2010208@parallels.com> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 783 Lines: 18 > Briefly -- we will implement the CRIU service, which is a daemon running from > root and listening on a unix socket. When a task wants to dump himself, it sends > to the service a "dump me" message. The service then goes and dumps the process. Maybe I'm missing something, but if the dump file is then readable by the process and includes the output of the new interfaces any potential security leaks exposed by the new interfaces would be already there for unpriv. users? -Andi -- ak@linux.intel.com -- Speaking for myself only. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/