Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753956AbaAaA3C (ORCPT ); Thu, 30 Jan 2014 19:29:02 -0500 Received: from mx1.redhat.com ([209.132.183.28]:9611 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752803AbaAaA3A (ORCPT ); Thu, 30 Jan 2014 19:29:00 -0500 Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: <3255.1391127686@warthog.procyon.org.uk> References: <3255.1391127686@warthog.procyon.org.uk> <20140126122729.32113.19659.stgit@warthog.procyon.org.uk> <8761p1m98f.fsf@xmission.com> Cc: dhowells@redhat.com, Linus Torvalds , "Eric W. Biederman" , Linux Kernel Mailing List , linux-afs@lists.infradead.org, =?UTF-8?Q?Pali_Roh=C3=A1r?= Subject: Re: [PATCH] afs: proc cells and rootcell are writeable Date: Fri, 31 Jan 2014 00:28:34 +0000 Message-ID: <3301.1391128114@warthog.procyon.org.uk> To: unlisted-recipients:; (no To-header on input) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org David Howells wrote: > > I think this is a pretty strong argument. Counter-arguments, anybody? > > Yes. CAP_DAC_READ_SEARCH. No, it would seem unlikely it's that, but I guess there's another capability override because the process is owned by root. David -- 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/