Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: 0000 [#3] SMP PTI
CPU: 3 PID: 560411 Comm: ThreadPoolForeg Tainted: P      D    OE     5.3.11-100.fc29.x86_64 #1
Hardware name: Micro-Star International Co., Ltd. MS-7B48/Z370-A PRO (MS-7B48), BIOS 2.60 07/05/2018
RIP: 0010:d_walk+0x9d/0x250
Code: 00 c6 44 24 27 01 48 89 dd 48 8d 85 a0 00 00 00 4c 8b bd a0 00 00 00 48 89 44 24 08 4c 3b 7c 24 08 74 60 4d 8d a7 70 ff ff ff <4d> 8b 2f 41 f6 87 73 ff ff ff 20 75 42 49 8d 7f c8 e8 1d ae 6c 00
RSP: 0018:ffffb5120771bd18 EFLAGS: 00010203
RAX: ffff8f847c0fbb30 RBX: ffff8f84780ae180 RCX: dead000000000122
RDX: ffff8f84780fbb00 RSI: ffff8f847c0fbb30 RDI: ffff8f847c0fbb10
RBP: ffff8f847c0fba90 R08: ffff8f84780fbb00 R09: 0000000000000006
R10: 000000000014edd1 R11: ffffb5120771be13 R12: ffffffffffffff70
R13: 0000000000000000 R14: ffffffff98314800 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8f858eac0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000370518002 CR4: 00000000003606e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 shrink_dcache_parent+0x51/0x120
 d_invalidate+0x4b/0xc0
 proc_flush_task+0x158/0x1b0
 ? enqueue_entity+0xf6/0x660
 release_task.part.18+0x4a/0x4a0
 ? cgroup_exit+0x121/0x180
 do_exit+0x675/0xb50
 __x64_sys_exit+0x17/0x20
 do_syscall_64+0x5f/0x1a0
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f53461d64e6
Code: 01 00 00 48 8b 44 24 08 f6 80 08 03 00 00 40 0f 85 56 01 00 00 ba 3c 00 00 00 66 2e 0f 1f 84 00 00 00 00 00 31 ff 89 d0 0f 05 <eb> f8 48 8b 44 24 08 48 8b b8 48 06 00 00 ff 90 40 06 00 00 48 98
RSP: 002b:00007f530461e900 EFLAGS: 00000246 ORIG_RAX: 000000000000003c
RAX: ffffffffffffffda RBX: 00007f530461f700 RCX: 00007f53461d64e6
RDX: 000000000000003c RSI: 00007f53461ea020 RDI: 0000000000000000
RBP: 00007f5303e1f000 R08: 0000000000000000 R09: 000055733b7cfb10
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5305e2138e
R13: 00007f5305e2138f R14: 00007f5305e21560 R15: 00007f530461f700
Modules linked in: vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp tun bridge stp llc ccm nft_objref nf_conntrack_netbios_ns nf_conntrack_broadcast nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nf_tables_set nft_chain_nat nf_tables ebtable_nat ebtable_broute ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c iptable_mangle iptable_raw iptable_security ip_set nfnetlink ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter sunrpc vfat fat intel_rapl_msr intel_rapl_common nvidia_drm(POE) nvidia_modeset(POE) x86_pkg_temp_thermal intel_powerclamp coretemp wl(POE) snd_hda_codec_hdmi nvidia_uvm(OE) kvm_intel kvm rtl8188ee rtl_pci rtlwifi snd_hda_codec_realtek irqbypass iTCO_wdt iTCO_vendor_support snd_hda_codec_generic mac80211 mei_hdcp crct10dif_pclmul
 ppdev ledtrig_audio crc32_pclmul ghash_clmulni_intel intel_cstate intel_uncore snd_hda_intel intel_rapl_perf cfg80211 intel_wmi_thunderbolt snd_hda_codec rfkill i2c_i801 libarc4 snd_hda_core snd_hwdep nvidia(POE) joydev snd_seq mei_me snd_seq_device snd_pcm mei snd_timer drm_kms_helper snd ie31200_edac soundcore parport_pc parport acpi_pad drm ip_tables hid_logitech_hidpp mxm_wmi nvme crc32c_intel nvme_core r8169 wmi video hid_logitech_dj fuse
CR2: 0000000000000000