From owner-freebsd-bugs@FreeBSD.ORG Mon Mar 5 10:50:03 2007 Return-Path: X-Original-To: freebsd-bugs@hub.freebsd.org Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 3149216A401 for ; Mon, 5 Mar 2007 10:50:03 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [69.147.83.40]) by mx1.freebsd.org (Postfix) with ESMTP id 0E08E13C471 for ; Mon, 5 Mar 2007 10:50:03 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.13.4/8.13.4) with ESMTP id l25Ao266035667 for ; Mon, 5 Mar 2007 10:50:02 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.13.4/8.13.4/Submit) id l25Ao2Bb035666; Mon, 5 Mar 2007 10:50:02 GMT (envelope-from gnats) Resent-Date: Mon, 5 Mar 2007 10:50:02 GMT Resent-Message-Id: <200703051050.l25Ao2Bb035666@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-bugs@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, Antuan Avdioukhine Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 2AD5B16A401 for ; Mon, 5 Mar 2007 10:44:29 +0000 (UTC) (envelope-from antuan@cplus.ru) Received: from tyger.cplus.ru (tyger.cplus.ru [193.125.204.51]) by mx1.freebsd.org (Postfix) with ESMTP id 8D31413C428 for ; Mon, 5 Mar 2007 10:44:28 +0000 (UTC) (envelope-from antuan@cplus.ru) Received: from tyger.cplus.ru (antuan@localhost [127.0.0.1]) by tyger.cplus.ru (8.13.8/8.13.8) with ESMTP id l25AMB0Y058334 for ; Mon, 5 Mar 2007 13:22:11 +0300 (MSK) (envelope-from antuan@tyger.cplus.ru) Received: (from antuan@localhost) by tyger.cplus.ru (8.13.8/8.13.8/Submit) id l25AMAVn058330; Mon, 5 Mar 2007 13:22:10 +0300 (MSK) (envelope-from antuan) Message-Id: <200703051022.l25AMAVn058330@tyger.cplus.ru> Date: Mon, 5 Mar 2007 13:22:10 +0300 (MSK) From: Antuan Avdioukhine To: FreeBSD-gnats-submit@FreeBSD.org X-Send-Pr-Version: 3.113 Cc: Subject: misc/109912: mountd(8) does not accept identical network address-mask pairs on different mount entries on the same file system X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Antuan Avdioukhine List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 05 Mar 2007 10:50:03 -0000 >Number: 109912 >Category: misc >Synopsis: mountd(8) does not accept identical network address-mask pairs on different mount entries on the same file system >Confidential: no >Severity: non-critical >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Mon Mar 05 10:50:02 GMT 2007 >Closed-Date: >Last-Modified: >Originator: Antuan Avdioukhine >Release: FreeBSD 5.5-STABLE i386 >Organization: TC Convey Plus >Environment: System: FreeBSD tyger.cplus.ru 5.5-STABLE FreeBSD 5.5-STABLE #2: Sat Mar 3 18:54:38 MSK 2007 toor@tyger.cplus.ru:/usr/obj/usr/src/sys/TYGER i386 >Description: If /etc/exports contains mount entries, belongs to one file system and exported for identical host groups or networks mountd(8) produces an error "can't change attributes for " and "bad export line " for each mount entry but first. This is happens whether different mount options was used or not. >How-To-Repeat: 1. Create two directories for mount points on the same file system, eg: /tmp/u1 and /tmp/u2, check that this directories are suitable for export (eg. have proper permissions) and no other filesystems mounted on this directories. 2. Start NFS server as usual. Check that syslog catches daemon facility at notice level or lower. mountd started with flags: -l -r -n 3. create /etc/exports file entries: /tmp/u1 10.0.0.1 /tmp/u2 10.0.0.1 4. run 'kill -1 `head -1 /var/run/montd.pid`' 5. Check log for mountd reporting. It is expected to see messages: Mar 5 13:02:35 tyger mountd[50813]: can't change attributes for /tmp/u2 Mar 5 13:02:35 tyger mountd[50813]: bad exports list line /tmp/u2 10.0.0.1 You may also change host sets from single host to list of hosts or networks, with the only condition: if you are using networks, all networks must be with identical addreses and masks. >Fix: Workaround: For host sets specified with network-mask pair it is possible to split network using longer masks, eg. /tmp/u1 -network 10.0.0.0 -mask 255.255.255.0 /tmp/u2 -network 10.0.0.0 -mask 255.255.255.128 /tmp/u2 -network 10.0.0.128 -mask 255.255.255.128 I don't know suitable workaround for host sets specified with host lists. >Release-Note: >Audit-Trail: >Unformatted: