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Date: Fri, 25 Nov 2005 14:57:42 +0100
From: Simon Barner <barner@FreeBSD.org>
To: Thiago Damas <tdamas@gmail.com>
Message-ID: <20051125135742.GA1104@zi025.glh.mhn.de>
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Cc: Csaba Henk <csaba-ml@creo.hu>, freebsd-ports@freebsd.org
Subject: Re: kernel panic with sshfs (FUSE)
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Thiago Damas wrote:
>   I experimented a kernel panic, when trying to create a md device
> using a file located in a sshfs (FUSE) filesystem;
> # pkg_info | grep fuse
> fusefs-kmod-0.2.19.6 Kernel module for fuse
> fusefs-libs-2.4.1   FUSE allows filesystem implementation in userspace
> fusefs-sshfs-1.3_1  Mount remote directories over ssh
>=20
> # uname -a
> FreeBSD noc2.interno 6.0-RELEASE FreeBSD 6.0-RELEASE #3: Thu Nov 10
> 21:07:03 BRST 2005   =20
> root@noc2.interno:/usr/src/sys/i386/compile/NOC2  i386
>=20
>   Unfortunately, I havent DEBUG flags turned ON in this kernel, but
> its easy to reproduce:
> # mount
> ...
> /dev/fuse0 on /mnt/sshfs (fusefs, local, synchronous)
>=20
> # cd /mnt/sshfs
> # mdconfig -a -f somefile.img
> <KERNEL PANICS WHERE>
>=20
>   Maybe will be  necessary to introduce some code in the fusefs module
> to deny this operation, IMHO.

Maybe the author of the FUSE kernel module wants to have a look at this
(Cc'ed).

--=20
Best regards / Viele Gr=FC=DFe,                             barner@FreeBSD.=
org
 Simon Barner                                                barner@gmx.de

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