stock 2.2.9 kernel -- oops while formatting floppy

[Adam Di Carlo <adam@onshore.com>]

Got this error on the stock kernel-image 2.2.9-2:

arroz:~# superformat /dev/fd0
Unable to handle kernel NULL pointer dereference
tsk->mm->context = 00000000000005b7
tsk->mm->pgd = fffff8001302f000
              \|/ ____ \|/
              "@'/ .. \`@"
              /_| \__/ |_\
                 \__U_/
superformat(442): Oops
TSTATE: 0000000080f09604 TPC: 000000000041c1dc TNPC: 000000000041c1e0 Y: 00000000
g0: 80a2600002800009 g1: 0000000700040019 g2: 0000000000000068 g3: 0000000000000002
g4: fffff80000000000 g5: 0000000000040019 g6: fffff80013df8000 g7: 0000000000000000
o0: 0000000000000080 o1: 0000000000400000 o2: fffff80013dfb848 o3: 0000000000000009
o4: 000000000002d634 o5: 000000000001a470 sp: fffff80013dfadf1 ret_pc: 000000000041c12c
l0: 0000000000000012 l1: 0000000000000069 l2: 0000000000000010 l3: 0000000000000000
l4: 0000000000000008 l5: 00000000ffffd598 l6: 00000000ffffd538 l7: 00000000ffffd520
i0: fffff80013dfb800 i1: 00000000d25b6010 i2: 0000000000000012 i3: 0000000000800009
i4: 000000000044cf98 i5: 0000000000000000 i6: fffff80013dfaec1 i7: 0000000000416440
Caller[0000000000416440]
Caller[000000000040fb48]
Caller[000000000045e91c]
Caller[000000000042d0d0]
Caller[000000000043023c]
Caller[000000000040ff14]
Caller[0000000000014fb0]
Instruction DUMP: a33c6000  1068001f  e2728000 <e28c2000> e48c2001  a32c7038  ce8c2002  a52cb030  c28c2003
Killed


.....Adam Di Carlo....adam@onShore.com.....<URL:http://www.onShore.com/>