From owner-freebsd-bugs@FreeBSD.ORG Sun Jan 27 15:40:11 2008 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 B272316A41A for ; Sun, 27 Jan 2008 15:40:11 +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 9282213C4EF for ; Sun, 27 Jan 2008 15:40:11 +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 m0RFeBtd014099 for ; Sun, 27 Jan 2008 15:40:11 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.2/8.14.1/Submit) id m0RFeBeT014098; Sun, 27 Jan 2008 15:40:11 GMT (envelope-from gnats) Resent-Date: Sun, 27 Jan 2008 15:40:11 GMT Resent-Message-Id: <200801271540.m0RFeBeT014098@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, Bernard Steiner Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id EB1C816A468 for ; Sun, 27 Jan 2008 15:39:32 +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 DA54313C455 for ; Sun, 27 Jan 2008 15:39:32 +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 m0RFbod2018400 for ; Sun, 27 Jan 2008 15:37:50 GMT (envelope-from nobody@www.freebsd.org) Received: (from nobody@localhost) by www.freebsd.org (8.14.2/8.14.1/Submit) id m0RFboux018399; Sun, 27 Jan 2008 15:37:50 GMT (envelope-from nobody) Message-Id: <200801271537.m0RFboux018399@www.freebsd.org> Date: Sun, 27 Jan 2008 15:37:50 GMT From: Bernard Steiner To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-3.1 Cc: Subject: kern/120044: incorrect MSDOSFS label fries administrative access to GEOM 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: Sun, 27 Jan 2008 15:40:11 -0000 >Number: 120044 >Category: kern >Synopsis: incorrect MSDOSFS label fries administrative access to GEOM >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Sun Jan 27 15:40:11 UTC 2008 >Closed-Date: >Last-Modified: >Originator: Bernard Steiner >Release: 6.3-STABLE >Organization: >Environment: FreeBSD grimma.anydomain.de 6.3-STABLE FreeBSD 6.3-STABLE #13: Fri Jan 25 20:23:36 CET 2008 root@grimma.anydomain.de:/usr/obj/usr/src/sys/GRIMMA amd64 >Description: An unexpected msdosfs label can fry GEOM. I have an old memory stick which happens to have (had ;-) a non-standard MSDOSFS label on it, viz: Jan 26 11:28:34 grimma kernel: umass0: vendor 0x0c76 product 0x0005, rev 1.10/1.00, addr 3 Jan 26 11:28:34 grimma kernel: da0 at umass-sim0 bus 0 target 0 lun 0 Jan 26 11:28:34 grimma kernel: da0: (JetFlash Transcend 1.00) Removable Direct Access SCSI-2 device Jan 26 11:28:34 grimma kernel: da0: 1.000MB/s transfers Jan 26 11:28:34 grimma kernel: da0: 61MB (126600 512 byte sectors: 64H 32S/T 61C) Jan 26 11:28:35 grimma kernel: GEOM_LABEL: Label for provider da0 is msdosfs/(A0)(EA)(FF)(FF)(FF). (I replaced less-than and greater-than in those lines) Doing something like "gmirror status" while that memory stick is inserted yields a nice "Cannot get GEOM tree: Unknown error: -1." Note that the operation of the actual gmirror (and glabel, geli) devices is not affected afaik. The same stick works perfectly after being re-mlabel-d to a decent name. Stops working if the label is re-set to those unprintables... >How-To-Repeat: mlabel an msdosfs filesystem to 0xa0 0xea 0xff 0xff 0xff >Fix: >Release-Note: >Audit-Trail: >Unformatted: