From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: util-linux-owner@vger.kernel.org Received: from cdptpa-omtalb.mail.rr.com ([75.180.132.120]:38866 "EHLO cdptpa-omtalb.mail.rr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750707Ab3LKOiO (ORCPT ); Wed, 11 Dec 2013 09:38:14 -0500 Message-ID: <52A878C5.6050505@ubuntu.com> Date: Wed, 11 Dec 2013 09:37:57 -0500 From: Phillip Susi MIME-Version: 1.0 To: util-linux@vger.kernel.org Subject: read only bind mount ignores ready only Content-Type: text/plain; charset=ISO-8859-1 Sender: util-linux-owner@vger.kernel.org List-ID: -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Forwarding report from https://bugs.launchpad.net/ubuntu/+source/util-linux/+bug/712892 It seems that the kernel has a bug where it silently ignores the MS_RDONLY flag when creating a bind mount. mount issues a warning that the mount point appears to be read-write even though you requested read only. The reporter suggests a patch to automatically attempt to remount with MS_RDONLY before issuing this warning to work around the kernel bug. What do you think? -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.17 (MingW32) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQEcBAEBAgAGBQJSqHjFAAoJEI5FoCIzSKrwP5wH/3vfHcUVra8Zh2GUcTEMU7ex BEed+jb4KYeuuISO8wxrkGb7eRAw/mHQTTPmVPjouWbG0s7AMXb/k1JQw3VEwtPA 7Mm8Y6jZoMJTiHvegWAKCWiaKcZ2ututJa23OP7RAgWJeGoZVdRtpRCyC6XOT3ES anUdwKpoZgDILKMdi+ssgfDVjPgDpaOluHkXLvhPlYyYiHb7WeAjEWGryTCt/vXq 74CjnD0l07Ryvg0ZNehxLQG6YJqQyNK69MUlDfNo3Tr66oeZNfbvso2Npkhvi6/E Ut+6dJr0Z9fasfHb88UmhmLUcSCKM6HRGy29fSKQ3UJDpD77o7smPr/p51YaX0M= =x0mB -----END PGP SIGNATURE-----