Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
PGD 0 P4D 0 
Oops: 0010 [#3] SMP PTI
CPU: 12 PID: 2074 Comm: Xorg Tainted: P      D    OE     5.3.7-301.fc31.x86_64 #1
Hardware name: Gigabyte Technology Co., Ltd. X299 UD4 Pro/X299 UD4 Pro-CF, BIOS F1 07/11/2017
RIP: 0010:0x0
Code: Bad RIP value.
RSP: 0018:ffffb354450dfca0 EFLAGS: 00010202
RAX: 0000000000000000 RBX: ffffb354450dfd10 RCX: 0000000000000008
RDX: 0000000000000001 RSI: 0000000000004000 RDI: ffff937c4c924cc0
RBP: ffffb354450dfdc0 R08: 647261630000006d R09: 0000000000000001
R10: 61c8864680b583eb R11: 0000000080807fff R12: ffff937c4c924cc0
R13: ffffb354450dfd08 R14: ffff937c595b5e20 R15: ffff937c4c925ec0
FS:  00007fb0b5ab5f00(0000) GS:ffff937c5fb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 00000020112d4004 CR4: 00000000003606e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 lookup_fast+0x268/0x2d0
 walk_component+0x49/0x340
 ? vsnprintf+0x276/0x4f0
 path_lookupat.isra.0+0x80/0x230
 filename_lookup+0xae/0x180
 ? strncpy_from_user+0x4f/0x170
 do_readlinkat+0x5d/0x130
 __x64_sys_readlinkat+0x1a/0x20
 do_syscall_64+0x5f/0x1a0
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fb0b5f2d0de
Code: 48 8b 0d ad dd 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 49 89 ca b8 0b 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7a dd 0c 00 f7 d8 64 89 01 48
RSP: 002b:00007ffc2cad6528 EFLAGS: 00003206 ORIG_RAX: 000000000000010b
RAX: ffffffffffffffda RBX: 0000000000001001 RCX: 00007fb0b5f2d0de
RDX: 0000564670f1bcc0 RSI: 00007ffc2cad65b0 RDI: 00000000ffffff9c
RBP: 0000564670f1bcc0 R08: 0000564670f1bcc0 R09: 00007fb0b5ffc060
R10: 0000000000001000 R11: 0000000000003206 R12: 00007ffc2cad65b0
R13: 00000000ffffff9c R14: 0000000000000001 R15: 0000000000001000
Modules linked in: ccm xt_CHECKSUM xt_MASQUERADE nf_nat_tftp nf_conntrack_tftp tun bridge stp llc nf_conntrack_netbios_ns nf_conntrack_broadcast xt_CT ip6t_REJECT nf_reject_ipv6 ip6t_rpfilter ipt_REJECT nf_reject_ipv4 xt_conntrack ebtable_nat ebtable_broute ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat iptable_mangle iptable_raw iptable_security nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c ip_set nfnetlink ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter it87 hwmon_vid sunrpc nvidia_drm(POE) nvidia_modeset(POE) nvidia(POE) intel_rapl_msr intel_rapl_common isst_if_common snd_hda_codec_hdmi nfit libnvdimm snd_hda_codec_realtek x86_pkg_temp_thermal intel_powerclamp snd_hda_codec_generic coretemp ledtrig_audio kvm_intel snd_hda_intel snd_hda_codec kvm irqbypass snd_hda_core mt7601u snd_hwdep crct10dif_pclmul snd_seq mac80211 snd_seq_device crc32_pclmul snd_pcm ghash_clmulni_intel cfg80211 intel_cstate drm_kms_helper
 snd_timer snd rfkill ioatdma soundcore intel_uncore drm libarc4 ipmi_devintf i2c_i801 ipmi_msghandler wdat_wdt wmi_bmof intel_wmi_thunderbolt intel_rapl_perf mei_me mei dca ip_tables mxm_wmi e1000e crc32c_intel wmi fuse
CR2: 0000000000000000