127 916415 Modules linked in nls_utf8 isofs vboxsf OE vboxvideo OE snd

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[ 127.916415] Modules linked in: nls_utf8 isofs vboxsf(OE) vboxvideo(OE) snd_intel8x0 snd_ac97_codec ac97_bus snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer crct10dif_pclmul joydev crc32_pclmul input_leds mac_hid ghash_clmulni_intel snd pcbc aesni_intel aes_x86_64 crypto_simd glue_helper cryptd soundcore i2c_piix4 serio_raw intel_rapl_perf vboxguest(OE) parport_pc ppdev lp parport autofs4 hid_generic usbhid hid vmwgfx ttm drm_kms_helper syscopyarea sysfillrect psmouse sysimgblt fb_sys_fops drm ahci libahci e1000 pata_acpi video
[ 127.916439] CPU: 0 PID: 1499 Comm: kworker/u12:20 Tainted: G OE 4.15.0-72-generic #81~16.04.1-Ubuntu
[ 127.916440] Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006
[ 127.916450] Workqueue: AKRM wokring queue hashing_work_function [akrm_module]
[ 127.916452] RIP: 0010:down_read+0x15/0x40
[ 127.916453] RSP: 0018:ffffbaa402fa3b00 EFLAGS: 00010246
[ 127.916454] RAX: 0000000000000070 RBX: 0000000000000070 RCX: 0000000000000011
[ 127.916455] RDX: ffffbaa402fa3be0 RSI: 0000000000000001 RDI: 0000000000000070
[ 127.916456] RBP: ffffbaa402fa3b08 R08: 0000000000001000 R09: 0000000000000fb8
[ 127.916456] R10: 000000000000022e R11: 0000000000000247 R12: ffffbaa402fa3be0
[ 127.916457] R13: 0000000000000001 R14: 0000000000000011 R15: ffff9b2554a74440
[ 127.916458] FS: 0000000000000000(0000) GS:ffff9b255fc00000(0000) knlGS:0000000000000000
[ 127.916465] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 127.916466] CR2: 0000000000000070 CR3: 00000001b3e0a002 CR4: 00000000000606f0
[ 127.916468] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 127.916468] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 127.916469] Call Trace:
[ 127.916473] get_user_pages_unlocked+0x5c/0x1b0
[ 127.916475] vbsf_reg_read_locking.isra.19+0x18a/0x540 [vboxsf]
[ 127.916478] ? up+0x32/0x50
[ 127.916479] vbsf_reg_read+0x413/0x490 [vboxsf]
[ 127.916481] ? up+0x32/0x50
[ 127.916483] __vfs_read+0x1b/0x40
[ 127.916487] kread+0x48/0x60 [akrm_module]
[ 127.916492] is_executable+0x63/0x260 [akrm_module]
[ 127.916493] ? do_dentry_open+0x2d4/0x390
[ 127.916495] ? vbsf_linux_oflags_to_vbox+0x90/0x90 [vboxsf]
[ 127.916496] ? vfs_open+0x4f/0x80
[ 127.916497] ? dentry_open+0x49/0xc0
[ 127.916502] hashing_work_function+0x53/0x90 [akrm_module]
[ 127.916504] process_one_work+0x14d/0x410
[ 127.916505] worker_thread+0x4b/0x460
[ 127.916507] kthread+0x105/0x140
[ 127.916508] ? process_one_work+0x410/0x410
[ 127.916509] ? kthread_bind+0x40/0x40
[ 127.916510] ret_from_fork+0x35/0x40
[ 127.916511] Code: 41 5c 41 5d 5d 49 8d 62 f8 c3 31 c0 eb dc e8 d3 28 6d ff 90 90 90 0f 1f 44 00 00 55 48 89 e5 53 48 89 fb e8 ee d6 ff ff 48 89 d8 <f0> 48 ff 00 79 05 e8 00 1b ff ff 48 83 7b 20 01 74 08 48 c7 43
[ 127.916530] RIP: down_read+0x15/0x40 RSP: ffffbaa402fa3b00
[ 127.916531] CR2: 0000000000000070
[ 127.916532] ---[ end trace 3124871a14cc2843 ]---
root@bastion-VirtualBox:/media/sf_work/es/lin_monitor/src/lkm#