From owner-freebsd-bugs@FreeBSD.ORG Fri Nov 30 07:50:01 2007 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D291D16A41A for ; Fri, 30 Nov 2007 07:50:01 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id 9E0C113C4DB for ; Fri, 30 Nov 2007 07:50:01 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.14.2/8.14.2) with ESMTP id lAU7o1RZ033259 for ; Fri, 30 Nov 2007 07:50:01 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.2/8.14.1/Submit) id lAU7o1r1033258; Fri, 30 Nov 2007 07:50:01 GMT (envelope-from gnats) Resent-Date: Fri, 30 Nov 2007 07:50:01 GMT Resent-Message-Id: <200711300750.lAU7o1r1033258@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, Oles Hnatkevych Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 6A29D16A41A for ; Fri, 30 Nov 2007 07:43:57 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (www.freebsd.org [IPv6:2001:4f8:fff6::21]) by mx1.freebsd.org (Postfix) with ESMTP id 45D4313C442 for ; Fri, 30 Nov 2007 07:43:57 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (localhost [127.0.0.1]) by www.freebsd.org (8.14.2/8.14.2) with ESMTP id lAU7hjXT084113 for ; Fri, 30 Nov 2007 07:43:45 GMT (envelope-from nobody@www.freebsd.org) Received: (from nobody@localhost) by www.freebsd.org (8.14.2/8.14.1/Submit) id lAU7hjoB084112; Fri, 30 Nov 2007 07:43:45 GMT (envelope-from nobody) Message-Id: <200711300743.lAU7hjoB084112@www.freebsd.org> Date: Fri, 30 Nov 2007 07:43:45 GMT From: Oles Hnatkevych To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-3.1 Cc: Subject: kern/118346: unix sockets do not work when on memory filesystem X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 30 Nov 2007 07:50:01 -0000 >Number: 118346 >Category: kern >Synopsis: unix sockets do not work when on memory filesystem >Confidential: no >Severity: serious >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Fri Nov 30 07:50:01 UTC 2007 >Closed-Date: >Last-Modified: >Originator: Oles Hnatkevych >Release: >Organization: >Environment: FreeBSD murzik.oles.net 6.3-PRERELEASE FreeBSD 6.3-PRERELEASE #2: Wed Nov 28 08:29:27 EET 2007 root@murzik.oles.net:/usr/obj/usr/src/sys/MURZIK i386 >Description: When /var (or other filesystem) is an mfs or mfs/over/cd9660, unix sockets created on them do not work properly: 'server' process creates socket, and it has proper permissions, but client process gets 'permission denied'. >How-To-Repeat: Var is mfs/unionfs: /dev/md1 on /mfs (ufs, asynchronous, local) :/mfs/var on /var (unionfs, local, noatime) Initially found the problem with 'quagga' suite, I found simple test for unix sockets : server and client. http://www.ecst.csuchico.edu/~beej/guide/ipc/echos.c http://www.ecst.csuchico.edu/~beej/guide/ipc/echoc.c Of course patching them to use some path to /var/something/ for socket. run server: LiveCD# ./server Waiting for a connection... run client: LiveCD# ./client Trying to connect... connect: Connection refused They work perfectly when /var/ is on real hard disk or even /var/something/ is a soft link to real hard disk. >Fix: >Release-Note: >Audit-Trail: >Unformatted: