unionfs and snmpd kernle bug report

[Jon Mansey]

kernel BUG at
/home/user/linux-modules-extra-2.6-2.6.18/debian/build/build_i386_none_686-bigmem_unionfs/build/commonfops.c:189! 

invalid opcode: 0000 [#1]
SMP
Modules linked in: ipv6 reiserfs dm_snapshot dm_mirror dm_mod i2c_i801
psmouse shpchp i2c_core e7xxx_edac pci_hotplug intel_rng evdev serio_raw
edac_mc sg pcspkr rtc squashfs loop unionfs ext2 mbcache sd_mod
usb_storage piix aic7xxx scsi_transport_spi e1000 scsi_mod e100 mii
generic ide_core uhci_hcd usbcore thermal processor fan
CPU:    0
EIP:    0060:[<f89795fc>]    Not tainted VLI
EFLAGS: 00210202   ( 2.6.18-4-686-bigmem #1)
EIP is at unionfs_file_revalidate+0x88/0x892 [unionfs]
eax: ea9aeaa0   ebx: dfd849c0   ecx: 00000002   edx: 00000001
esi: 00000001   edi: ffffffff   ebp: f7db8000   esp: f7db9f48
ds: 007b   es: 007b   ss: 0068
Process snmpd (pid: 2470, ti=f7db8000 task=dfb32000 task.ti=f7db8000)
Stack: 00000001 dfd849c0 00000000 dfd6d800 f7e00198 00000002 c014ca8c
f7dda754
      dfbebc4c dff43ae0 00000002 dfbebb20 c0124d63 dfd849c0 dff89c80
ffffffff
      f7db8000 f897a1b9 dff89c80 bfc6df34 dfd849c0 dff89c80 ffffffff
f7db8000
Call Trace:
[<c014ca8c>] unmap_region+0xe4/0xf3
[<c0124d63>] do_gettimeofday+0x31/0xce
[<f897a1b9>] unionfs_flush+0x16/0xd7 [unionfs]
[<c0157be3>] filp_close+0x2f/0x54
[<c0102c77>] syscall_call+0x7/0xb
Code: 0f 84 7f 07 00 00 8b 5c 24 0c 8b 74 24 10 8b 83 60 01 00 00 8b 5c
24 04 8b 48 04 8b 46 54 8b 50 24 8b 43 78 39 d1 8b 70 08 7e 08 <0f> 0b
bd 00 3e c5 97 f8 8b 44 24 10 f6 40 04 10 0f 84 4f 07 00
EIP: [<f89795fc>] unionfs_file_revalidate+0x88/0x892 [unionfs] SS:ESP
0068:f7db9f48

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