nfs through nullfs
matthias.andree at gmx.de
Wed Aug 31 10:12:26 GMT 2005
Kris Kennaway <kris at obsecurity.org> writes:
> On Tue, Aug 30, 2005 at 02:44:35PM +0200, Jeremie Le Hen wrote:
>> > Subject says it all.
>> > mount a ext2 file system, use it as basis for a nullfs mount -> panic.
>> Mount a NFS filesystem, use it as basis for nullfs mount -> panic.
> Please provide details.
OK, to reproduce, three steps apart from having an ext2 file system
(the ext2 FS is clean according to e2fsck)
mount_ext2fs /dev/ad0s5 /linux
mount_nullfs /linux /mnt
umount /mnt -> panic, "locking against myself"
backtrace in the kernel debugger, copied manually:
If needed, I can save a core of this.
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