syslog kernel bug

syslog

May 20 07:25:41 debian kernel: [ 1013.179837] BUG: unable to handle kernel NULL pointer dereference at           (null)
May 20 07:25:41 debian kernel: [ 1013.179896] IP: [<ffffffff811f5390>] pin_remove+0x50/0xb0
May 20 07:25:41 debian kernel: [ 1013.179935] PGD 2834067 PUD 5a2ef067 PMD 0 
May 20 07:25:41 debian kernel: [ 1013.179966] Oops: 0002 [#1] SMP 
May 20 07:25:41 debian kernel: [ 1013.179990] Modules linked in: 8021q garp mrp dummy veth xt_conntrack xt_addrtype ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_filter ip_tables x_tables bridge stp llc bnep uvcvideo videobuf2_vmalloc btusb videobuf2_memops videobuf2_core v4l2_common bluetooth videodev usbhid media x86_pkg_temp_thermal intel_powerclamp intel_rapl iosf_mbi coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul joydev wl(PO) dell_laptop dcdbas ghash_clmulni_intel hid_multitouch iTCO_wdt iTCO_vendor_support dell_wmi sparse_keymap aesni_intel aes_x86_64 lrw rtsx_pci_ms gf128mul glue_helper evdev ablk_helper cryptd pcspkr serio_raw cfg80211 memstick rfkill i2c_i801 snd_hda_codec_realtek mei_me i915 snd_hda_codec_generic mei shpchp lpc_ich wmi drm_kms_helper snd_hda_intel snd_hda_controller drm snd_hda_codec snd_hwdep video i2c_designware_platform snd_pcm i2c_designware_core snd_timer snd battery soundcore i2c_algo_bit button processor acpi_pad ac autofs4 ext4 crc16 mbcache jbd2 sg sd_mod rtsx_pci_sdmmc crc32c_intel sdhci_acpi sdhci mmc_core i2c_hid hid ahci libahci i2c_core libata ehci_pci xhci_pci scsi_mod ehci_hcd xhci_hcd rtsx_pci mfd_core usbcore usb_common fan thermal thermal_sys
May 20 07:25:41 debian kernel: [ 1013.180826] CPU: 0 PID: 5467 Comm: integration.tes Tainted: P           O    4.0.4-hackers-of-the-world-unite #1
May 20 07:25:41 debian kernel: [ 1013.180882] Hardware name: Dell Inc. XPS 13 9343/0310JH, BIOS A03 03/25/2015
May 20 07:25:41 debian kernel: [ 1013.180920] task: ffff8800a70c8290 ti: ffff880071178000 task.ti: ffff880071178000
May 20 07:25:41 debian kernel: [ 1013.180961] RIP: 0010:[<ffffffff811f5390>]  [<ffffffff811f5390>] pin_remove+0x50/0xb0
May 20 07:25:41 debian kernel: [ 1013.181008] RSP: 0018:ffff88007117be78  EFLAGS: 00010246
May 20 07:25:41 debian kernel: [ 1013.181037] RAX: 0000000000000000 RBX: ffff880215b031a0 RCX: 00000000000011e5
May 20 07:25:41 debian kernel: [ 1013.181074] RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffffffff81ae1e30
May 20 07:25:41 debian kernel: [ 1013.181113] RBP: ffff88007117beb8 R08: ffffffff818f3ac8 R09: 0000000000000001
May 20 07:25:41 debian kernel: [ 1013.181151] R10: 0000000000000008 R11: 0000000000000246 R12: ffff8800a70c8930
May 20 07:25:41 debian kernel: [ 1013.181189] R13: ffff8800a70c8290 R14: 0000000000000008 R15: 0000000000000010
May 20 07:25:41 debian kernel: [ 1013.181226] FS:  00007f1500ebc740(0000) GS:ffff88021f400000(0000) knlGS:0000000000000000
May 20 07:25:41 debian kernel: [ 1013.181268] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
May 20 07:25:41 debian kernel: [ 1013.181301] CR2: 0000000000000000 CR3: 000000006fd2f000 CR4: 00000000003407f0
May 20 07:25:41 debian kernel: [ 1013.181341] Stack:
May 20 07:25:41 debian kernel: [ 1013.181354]  ffff880215b031a0 ffffffff811e3d5a ffff880215b031a0 ffffffff811f54f6
May 20 07:25:41 debian kernel: [ 1013.181401]  ffff88007117bed0 ffff880000000000 ffff8800a70c8290 ffffffff810aac80
May 20 07:25:41 debian kernel: [ 1013.181448]  ffff88007117beb8 ffff88007117beb8 ffff88003684a6c0 ffffffff81a82160
May 20 07:25:41 debian kernel: [ 1013.181495] Call Trace:
May 20 07:25:41 debian kernel: [ 1013.181515]  [<ffffffff811e3d5a>] ? drop_mountpoint+0x1a/0x30
May 20 07:25:41 debian kernel: [ 1013.181549]  [<ffffffff811f54f6>] ? pin_kill+0x66/0x100
May 20 07:25:41 debian kernel: [ 1013.181582]  [<ffffffff810aac80>] ? wait_woken+0x90/0x90
May 20 07:25:41 debian kernel: [ 1013.181613]  [<ffffffff811f55b1>] ? mnt_pin_kill+0x21/0x30
May 20 07:25:41 debian kernel: [ 1013.181647]  [<ffffffff811e31b8>] ? cleanup_mnt+0x88/0x90
May 20 07:25:41 debian kernel: [ 1013.181681]  [<ffffffff81087bb7>] ? task_work_run+0xb7/0xf0
May 20 07:25:41 debian kernel: [ 1013.181715]  [<ffffffff81013079>] ? do_notify_resume+0x69/0x90
May 20 07:25:41 debian kernel: [ 1013.181752]  [<ffffffff8156716b>] ? int_signal+0x12/0x17
May 20 07:25:41 debian kernel: [ 1013.181783] Code: 48 89 50 08 48 b8 00 01 10 00 00 00 ad de 48 8b 53 28 48 89 43 30 48 b8 00 02 20 00 00 00 ad de 48 89 43 38 48 8b 43 20 48 85 c0 <48> 89 02 74 04 48 89 50 08 48 b8 00 01 10 00 00 00 ad de 48 89 
May 20 07:25:41 debian kernel: [ 1013.181965] RIP  [<ffffffff811f5390>] pin_remove+0x50/0xb0
May 20 07:25:41 debian kernel: [ 1013.181992]  RSP <ffff88007117be78>
May 20 07:25:41 debian kernel: [ 1013.182011] CR2: 0000000000000000
May 20 07:25:41 debian kernel: [ 1013.212618] ---[ end trace 7c0ff6405782a66d ]---
May 20 07:25:55 debian kernel: [ 1026.972023] docker0: port 2(vetha0708e8) entered forwarding state