Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758049AbZLEUgC (ORCPT ); Sat, 5 Dec 2009 15:36:02 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758035AbZLEUf7 (ORCPT ); Sat, 5 Dec 2009 15:35:59 -0500 Received: from fxip-0047f.externet.hu ([88.209.222.127]:44954 "EHLO pomaz-ex.szeredi.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758030AbZLEUf7 (ORCPT ); Sat, 5 Dec 2009 15:35:59 -0500 To: Alan Cox CC: miklos@szeredi.hu, luto@mit.edu, miklos@szeredi.hu, akpm@linux-foundation.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org In-reply-to: <20091205202838.3456b6fc@lxorguk.ukuu.org.uk> (message from Alan Cox on Sat, 5 Dec 2009 20:28:38 +0000) Subject: Re: [PATCH v3] vfs: new O_NODE open flag References: <20091202191549.1dbffa2e@lxorguk.ukuu.org.uk> <20091202204828.4fa0c108@lxorguk.ukuu.org.uk> <4B1A7159.3070101@mit.edu> <20091205202838.3456b6fc@lxorguk.ukuu.org.uk> Message-Id: From: Miklos Szeredi Date: Sat, 05 Dec 2009 21:35:55 +0100 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 567 Lines: 15 On Sat, 5 Dec 2009, Alan Cox wrote: > I am concerned primarily about the lack of ability to get rid of such a > handle in a controlled fashion. The udev/device unload case is simply one > obvious way to exploit it. I don't understand your concern. Can you please ellaborate on the way to exploit O_NODE? Thanks, Miklos -- 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/