Oct 12 22:26:59 sunday kernel: [63777.240967] general protection fault: 0000 [#1] SMP PTI
Oct 12 22:26:59 sunday kernel: [63777.240971] Modules linked in: btusb btrtl btbcm btintel nls_utf8 cifs fscache thunderbolt rfcomm ccm arc4 msr ath10k_pci ath10k_core ath mac80211 cfg80211 cmac uvcvideo bnep videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_core videodev media pci_stub vboxpci(O) vboxnetadp(O) vboxnetflt(O) vboxdrv(O) bluetooth ecdh_generic nf_log_ipv6 xt_hl ip6t_rt binfmt_misc nls_iso8859_1 snd_hda_codec_hdmi hid_multitouch intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm dell_laptop dell_smbios_smm dcdbas irqbypass crct10dif_pclmul crc32_pclmul nf_conntrack_ipv6 nf_defrag_ipv6 ghash_clmulni_intel snd_hda_codec_realtek ip6t_REJECT nf_reject_ipv6 snd_hda_codec_generic snd_soc_skl nf_log_ipv4 nf_log_common snd_soc_skl_ipc pcbc snd_hda_ext_core xt_LOG snd_soc_sst_dsp snd_soc_sst_ipc
Oct 12 22:26:59 sunday kernel: [63777.241016]  snd_soc_acpi xt_recent snd_soc_core snd_compress ac97_bus xt_limit snd_pcm_dmaengine xt_tcpudp xt_addrtype aesni_intel snd_hda_intel snd_hda_codec aes_x86_64 snd_hda_core crypto_simd snd_hwdep glue_helper cryptd intel_cstate intel_rapl_perf snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer snd joydev input_leds intel_wmi_thunderbolt dell_smbios_wmi dell_wmi dell_smbios serio_raw dell_wmi_descriptor wmi_bmof soundcore rtsx_pci_ms mei_me memstick idma64 virt_dma mei intel_lpss_pci shpchp intel_lpss processor_thermal_device intel_soc_dts_iosf intel_pch_thermal intel_vbtn int3400_thermal nf_conntrack_ipv4 nf_defrag_ipv4 acpi_thermal_rel soc_button_array int3403_thermal xt_conntrack int340x_thermal_zone mac_hid intel_hid sparse_keymap ipt_REJECT acpi_pad
Oct 12 22:26:59 sunday kernel: [63777.241056]  nf_reject_ipv4 ip6table_filter ip6_tables nf_conntrack_netbios_ns nf_conntrack_broadcast nf_nat_ftp nf_nat nf_conntrack_ftp nf_conntrack libcrc32c sch_fq_codel parport_pc ppdev sunrpc iptable_filter lp parport ip_tables x_tables autofs4 hid_generic usbhid rtsx_pci_sdmmc i915 i2c_algo_bit drm_kms_helper psmouse syscopyarea sysfillrect sysimgblt nvme fb_sys_fops i2c_hid drm rtsx_pci nvme_core wmi hid video [last unloaded: btrtl]
Oct 12 22:26:59 sunday kernel: [63777.241085] CPU: 0 PID: 13809 Comm: cifsd Tainted: G        W  O     4.15.0-36-generic #39-Ubuntu
Oct 12 22:26:59 sunday kernel: [63777.241087] Hardware name: Dell Inc. XPS 13 9360/06CC14, BIOS 2.9.0 07/09/2018
Oct 12 22:26:59 sunday kernel: [63777.241092] RIP: 0010:prefetch_freepointer+0x15/0x30
Oct 12 22:26:59 sunday kernel: [63777.241094] RSP: 0018:ffffb147c3e87da0 EFLAGS: 00010286
Oct 12 22:26:59 sunday kernel: [63777.241096] RAX: 0000000000000000 RBX: 8958e0047f18042b RCX: 0000000000009ff4
Oct 12 22:26:59 sunday kernel: [63777.241098] RDX: 0000000000009ff3 RSI: 8958e0047f18042b RDI: ffff98c16b013680
Oct 12 22:26:59 sunday kernel: [63777.241100] RBP: ffffb147c3e87da0 R08: ffff98c17e42b550 R09: 0000000000000000
Oct 12 22:26:59 sunday kernel: [63777.241102] R10: 00000000000002b0 R11: 0000000000000297 R12: 0000000001011200
Oct 12 22:26:59 sunday kernel: [63777.241103] R13: ffff98c16b013680 R14: ffff98c0703208c0 R15: ffff98c16b013680
Oct 12 22:26:59 sunday kernel: [63777.241106] FS:  0000000000000000(0000) GS:ffff98c17e400000(0000) knlGS:0000000000000000
Oct 12 22:26:59 sunday kernel: [63777.241108] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Oct 12 22:26:59 sunday kernel: [63777.241110] CR2: 00007f194a058000 CR3: 000000046900a006 CR4: 00000000003606f0
Oct 12 22:26:59 sunday kernel: [63777.241111] Call Trace:
Oct 12 22:26:59 sunday kernel: [63777.241116]  kmem_cache_alloc+0xa2/0x1b0
Oct 12 22:26:59 sunday kernel: [63777.241120]  ? mempool_alloc_slab+0x15/0x20
Oct 12 22:26:59 sunday kernel: [63777.241124]  ? wait_woken+0x80/0x80
Oct 12 22:26:59 sunday kernel: [63777.241127]  mempool_alloc_slab+0x15/0x20
Oct 12 22:26:59 sunday kernel: [63777.241130]  mempool_alloc+0x71/0x190
Oct 12 22:26:59 sunday kernel: [63777.241150]  cifs_small_buf_get+0x1a/0x30 [cifs]
Oct 12 22:26:59 sunday kernel: [63777.241162]  cifs_demultiplex_thread+0x5c7/0xaf0 [cifs]
Oct 12 22:26:59 sunday kernel: [63777.241166]  ? __schedule+0x299/0x8a0
Oct 12 22:26:59 sunday kernel: [63777.241170]  kthread+0x121/0x140
Oct 12 22:26:59 sunday kernel: [63777.241182]  ? cifs_handle_standard+0x190/0x190 [cifs]
Oct 12 22:26:59 sunday kernel: [63777.241186]  ? kthread_create_worker_on_cpu+0x70/0x70
Oct 12 22:26:59 sunday kernel: [63777.241189]  ? do_syscall_64+0x73/0x130
Oct 12 22:26:59 sunday kernel: [63777.241192]  ? SyS_exit_group+0x14/0x20
Oct 12 22:26:59 sunday kernel: [63777.241195]  ret_from_fork+0x35/0x40
Oct 12 22:26:59 sunday kernel: [63777.241197] Code: eb bb 49 8b 74 24 60 48 c7 c7 40 c5 2e a5 e8 53 bb ea ff eb 90 90 0f 1f 44 00 00 55 48 85 f6 48 89 e5 74 14 48 63 47 20 48 01 c6 <48> 33 36 48 33 b7 40 01 00 00 0f 18 0e 5d c3 66 90 66 2e 0f 1f 
Oct 12 22:26:59 sunday kernel: [63777.241233] RIP: prefetch_freepointer+0x15/0x30 RSP: ffffb147c3e87da0
Oct 12 22:26:59 sunday kernel: [63777.241253] ---[ end trace 6942778a02184d23 ]---