From owner-freebsd-security@FreeBSD.ORG Thu Aug 22 19:15:30 2013 Return-Path: Delivered-To: freebsd-security@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id B4D2DDA7; Thu, 22 Aug 2013 19:15:30 +0000 (UTC) (envelope-from delphij@delphij.net) Received: from anubis.delphij.net (anubis.delphij.net [IPv6:2001:470:1:117::25]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 8D528273F; Thu, 22 Aug 2013 19:15:30 +0000 (UTC) Received: from zeta.ixsystems.com (unknown [69.198.165.132]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by anubis.delphij.net (Postfix) with ESMTPSA id 99B29547E; Thu, 22 Aug 2013 12:15:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=delphij.net; s=anubis; t=1377198929; bh=OajHApMX4BVAhfA4OimECffsW8TwD9BS3/oohMwCpeA=; h=Date:From:Reply-To:To:CC:Subject; b=zdRmml/c+2gSp2XwYs3lfSzCJED+r9WelwYbBaX58F1/5WrfXW2ygH1QZh79c2ncT rpRaaqmE02MFkw6I/peKd7sJZYbIOVSrqcfH4Z4V4bdmufuDOqYEF8jFjtnclQNaCI 4hoNW9W6iowOY+WC+LNr2WY6qlivvMBDHJBNThno= Message-ID: <52166351.4030106@delphij.net> Date: Thu, 22 Aug 2013 12:15:29 -0700 From: Xin Li Organization: The FreeBSD Project MIME-Version: 1.0 To: "freebsd-security@freebsd.org" Subject: Allowing tmpfs to be mounted in jail? X-Enigmail-Version: 1.5.1 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: freebsd-fs@FreeBSD.ORG, kib@freebsd.org X-BeenThere: freebsd-security@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list Reply-To: d@delphij.net List-Id: "Security issues \[members-only posting\]" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 22 Aug 2013 19:15:30 -0000 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 Hi, Do anybody have concerns if I would commit this? Index: sys/fs/tmpfs/tmpfs_vfsops.c =================================================================== - --- sys/fs/tmpfs/tmpfs_vfsops.c (revision 254663) +++ sys/fs/tmpfs/tmpfs_vfsops.c (working copy) @@ -420,4 +420,4 @@ struct vfsops tmpfs_vfsops = { .vfs_statfs = tmpfs_statfs, .vfs_fhtovp = tmpfs_fhtovp, }; - -VFS_SET(tmpfs_vfsops, tmpfs, 0); +VFS_SET(tmpfs_vfsops, tmpfs, VFCF_JAIL); Cheers, - -- Xin LI https://www.delphij.net/ FreeBSD - The Power to Serve! Live free or die -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.21 (FreeBSD) iQEcBAEBCgAGBQJSFmNRAAoJEG80Jeu8UPuzhFMH/2jligxAHwhYCbaYe43d8XXd 8ljxmusiVWLTwsjhcZRs0Pg56BSPFR2yMbf1rLgQQCc1HpIK82N9zd3hfDoSZTM3 fhY+gB+M3aMfQ3A0lGzpCckFdj7Dlyr+drXuVeKsTCEdM7U82/GRBq/wkI8OGft4 kCd9kmpiupFL5WmboBJNjC1wSgn0TYeGXazkTY9K4n0HmZP+306xf6ABHEkPO5XI nJuGsq8u2MhBmet4Cm38dGJGXym5mWRkU/i+YmgDTCVWbdKwILtEHQyq55krSPkP p85ntduffcAwcy8Yl8facveYq+pybQKO9pEP8hUMZIN0bLPCM01FQl5x4vbyFzc= =w8tX -----END PGP SIGNATURE-----