Initializing cgroup subsys blkio
Initializing cgroup subsys memory
Initializing cgroup subsys devices
Initializing cgroup subsys freezer
Initializing cgroup subsys net_cls
BUG: unable to handle kernel 
vboxsf: Successfully loaded version 4.0.4
NULL pointer dereference at 00000004
IP: [<f9987205>] vbglDriverIOCtl+0x8/0x13 [vboxsf]
*pde = 00000000 
Oops: 0000 [#1] SMP 
last sysfs file: /sys/module/vboxguest/initstate
Modules linked in: vboxsf binfmt_misc fuse nfs lockd fscache nfs_acl auth_rpcgss sunrpc loop snd_hda_codec_idt snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq snd_timer snd_seq_device snd soundcore snd_page_alloc psmouse joydev parport_pc i2c_piix4 i2c_core pcspkr parport ac button serio_raw vboxguest processor evdev ext3 jbd mbcache usbhid hid sg sd_mod sr_mod cdrom crc_t10dif ata_generic ohci_hcd ehci_hcd ahci ata_piix thermal thermal_sys e1000 usbcore nls_base libata scsi_mod [last unloaded: scsi_wait_scan]

Pid: 1224, comm: VBoxService Not tainted (2.6.32-5-686 #1) VirtualBox
EIP: 0060:[<f9987205>] EFLAGS: 00010286 CPU: 1
EIP is at vbglDriverIOCtl+0x8/0x13 [vboxsf]
EAX: 00000004 EBX: f6010040 ECX: f64b5de4 EDX: c0405612
ESI: f9989c18 EDI: f6586600 EBP: f6f66000 ESP: f64b5dc4
 DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
Process VBoxService
Stack:
 c0405612 f64b5de4 00000040 00000000 f99883c7 00000040 f64b5de4 00000040
<0> 00000000 00000000 00000011 00000004 00000004 0000000d f6010040 00000001
<0> 00000000 00000041 00000001 0000002f 0003418f 00000001 00000001 c1024af8
Call Trace:
 [<f99883c7>] ? vboxCallMapFolder+0x93/0x12b [vboxsf]
 [<c1024af8>] ? __wake_up+0x29/0x39
 [<c10af4d5>] ? __kmalloc+0x11c/0x128
 [<c1135ef8>] ? idr_get_empty_slot+0x145/0x21c
 [<f998433c>] ? sf_read_super_26+0x2c2/0x642 [vboxsf]
 [<c113625b>] ? ida_pre_get+0x10/0x97
 [<c1139e5c>] ? strlcpy+0x11/0x3d
 [<c10b52cc>] ? sget+0x2dd/0x2e7
 [<c10b4c23>] ? set_anon_super+0x0/0xb7
 [<c10b592e>] ? get_sb_nodev+0x36/0x5e
 [<c10b5721>] ? vfs_kern_mount+0x85/0x11c
 [<f998407a>] ? sf_read_super_26+0x0/0x642 [vboxsf]
 [<c10b57f6>] ? do_kern_mount+0x2f/0xb8
 [<c10c6b3c>] ? do_mount+0x64a/0x69e
 [<c10c6bf6>] ? sys_mount+0x66/0x98
 [<c10031dc>] ? syscall_call+0x7/0xb
Code: 00 c7 42 14 00 00 00 00 89 42 08 89 55 00 8b 04 24 5b 5e 5b 5e 5f 5d c3 90 90 ff 30 e8 20 80 64 fe 58 c3 6a 00 ff 74 24 08 51 52 <ff> 30 e8 b3 80 64 fe 83 c4 14 c3 53 89 c3 83 ec 04 89 e0 50 e8 
EIP: [<f9987205>] vbglDriverIOCtl+0x8/0x13 [vboxsf] SS:ESP 0068:f64b5dc4
CR2: 0000000000000004
---[ end trace da62845da0d67e77 ]---
Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024
Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4
Freeing SMP alternatives memory: 20K (ffffffff81a08000 - ffffffff81a0d000)
ftrace: allocating 21563 entries in 85 pages
dmar: Host address width 39
