[ 547.556901] BUG: unable to handle kernel NULL pointer dereference at (null) [ 547.556908] IP: [] path_init+0x7f/0x380 [ 547.556915] *pdpt = 000000002ea86001 *pde = 0000000000000000 [ 547.556920] Oops: 0000 [#2] SMP [ 547.556924] Modules linked in: talpa_vfshook(O) talpa_pedconnector(O) talpa_pedevice(O) talpa_vcdevice(O) talpa_core(O) talpa_linux(O) talpa_syscallhook(O) vesafb bnep snd_intel8x0 snd_ac97_codec rfcomm bluetooth ac97_bus snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device joydev snd soundcore i2c_piix4 vboxvideo(O) psmouse mac_hid serio_raw snd_page_alloc drm ppdev parport_pc nfsd nfs lockd fscache auth_rpcgss binfmt_misc nfs_acl sunrpc lp vboxsf(O) parport vboxguest(O) usbhid hid e1000 [ 547.556947] [ 547.556950] Pid: 3360, comm: mount.vboxsf Tainted: G D O 3.2.0-57-generic-pae #87-Ubuntu innotek GmbH VirtualBox/VirtualBox [ 547.556956] EIP: 0060:[] EFLAGS: 00210246 CPU: 3 [ 547.556959] EIP is at path_init+0x7f/0x380 [ 547.556963] EAX: ffffff9c EBX: 00000000 ECX: 00000051 EDX: 00001051 [ 547.556966] ESI: f1ba3eb4 EDI: 00000051 EBP: f1ba3e38 ESP: f1ba3e24 [ 547.556969] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 547.556973] Process mount.vboxsf (pid: 3360, ti=f1ba2000 task=f0278000 task.ti=f1ba2000) [ 547.556976] Stack: [ 547.556979] f5b5ae40 f1ba3e40 f1ba3eb4 00000000 00000001 f1ba3e8c c1153191 f1ba3eb4 [ 547.556985] f1ba3e78 00000000 f1ba3e58 c10f7392 1d894025 f1ba3eb8 c1115158 1d894025 [ 547.556990] 00000041 00000000 f64d4a00 00000000 00000000 00000000 f01b8000 00000000 [ 547.556996] Call Trace: [ 547.557001] [] path_lookupat+0x31/0x690 [ 547.557006] [] ? unlock_page+0x42/0x50 [ 547.557011] [] ? __do_fault+0x428/0x550 [ 547.557015] [] do_path_lookup+0x2c/0xb0 [ 547.557019] [] kern_path+0x2a/0x50 [ 547.557023] [] ? handle_pte_fault+0x95/0x2c0 [ 547.557029] [] ? copyString+0x30/0x50 [talpa_linux] [ 547.557034] [] ? copyString+0x3f/0x50 [talpa_linux] [ 547.557038] [] newLinuxFilesystemInfo+0x17e/0x3c0 [talpa_linux] [ 547.557043] [] ? _copy_from_user+0x42/0x60 [ 547.557048] [] ? memdup_user+0x36/0x70 [ 547.557053] [] newFilesystemInfo+0x1d/0x20 [talpa_linux] [ 547.557066] [] talpaPreMount+0x98/0x110 [talpa_vfshook] [ 547.557071] [] talpa_mount+0x42/0x110 [talpa_syscallhook] [ 547.557076] [] ? math_state_restore+0x44/0x60 [ 547.557082] [] sysenter_do_call+0x12/0x28 [ 547.557085] Code: 00 00 e8 f5 cf 00 00 8b 56 04 8b 42 04 a8 01 0f 85 dc 02 00 00 89 46 24 31 d2 83 c4 08 89 d0 5b 5e 5f 5d c3 c7 46 14 00 00 00 00 <80> 3b 2f 0f 84 e8 00 00 00 83 f8 9c 0f 84 7f 00 00 00 8d 55 f0 [ 547.557108] EIP: [] path_init+0x7f/0x380 SS:ESP 0068:f1ba3e24 [ 547.557113] CR2: 0000000000000000 [ 547.557117] ---[ end trace 1ff7f0bae3a8bb6b ]--- [ 594.461979] VBoxGuest: VBoxGuestCommonGuestCapsAcquire: pSession(0xeead7410), OR(0x0), NOT(0xffffffff), flags(0x0) [ 3685.020388] talpa-cache: Disabled [ 3685.020424] talpa-cache: Enabled