Backtrace

general protection fault, probably for non-canonical address 0xdac0eadd2797795a: 0000 [#1] SMP PTI
CPU: 0 PID: 1410 Comm: gdm-session-wor Not tainted 5.8.18-100.fc31.x86_64 #1
Hardware name: LENOVO 20078                           /Base Board Product Name, BIOS 40CN26WW(V2.12) 09/13/2011
RIP: 0010:__d_lookup_rcu+0x82/0x170
Code: c0 48 c7 c0 ff ff ff ff 41 83 e5 07 42 8d 0c ed 00 00 00 00 48 d3 e0 48 89 44 24 08 eb 0c 48 8b 1b 48 85 db 0f 84 cc 00 00 00 <8b> 6b fc 4c 3b 63 10 75 eb 4c 8d 53 f8 83 e5 fe 48 83 7b 08 00 74
RSP: 0018:ffff9b2f007a7bd0 EFLAGS: 00010286
RAX: ffffffffffffffff RBX: dac0eadd2797795a RCX: 0000000000000000
RDX: 0000000000055cd0 RSI: ffff9b2f007a7dd0 RDI: ffff8f18f441c900
RBP: 0000000004a10c54 R08: 0000000000000010 R09: ffff8f18c34f902b
R10: 000000000000007f R11: 8080808080808080 R12: ffff8f18f441c900
R13: 0000000000000000 R14: 00000010ab9a1a54 R15: ffff9b2f007a7dd0
FS:  00007f12271b6300(0000) GS:ffff8f18fba00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005635febe6ab8 CR3: 00000000b5904006 CR4: 00000000000606f0
Call Trace:
 lookup_fast+0x35/0x130
 walk_component+0x33/0x180
 link_path_walk.part.0+0x1fc/0x330
 ? path_init+0x311/0x3b0
 path_openat+0xb2/0xfc0
 ? enqueue_task_fair+0x8e/0x680
 ? psi_task_change+0x84/0xc0
 ? check_preempt_curr+0x4a/0x90
 ? ttwu_do_wakeup+0x19/0x150
 do_filp_open+0x7e/0xd0
 ? __check_object_size+0x136/0x147
 do_sys_openat2+0x1f1/0x2a0
 do_sys_open+0x34/0x60
 do_syscall_64+0x4d/0x90
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f1227780074
Code: 24 20 eb 8f 66 90 44 89 54 24 0c e8 86 f4 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 32 44 89 c7 89 44 24 0c e8 b8 f4 ff ff 8b 44
RSP: 002b:00007ffff3c67350 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00005635fec56780 RCX: 00007f1227780074
RDX: 0000000000000000 RSI: 00005635fec56e50 RDI: 00000000ffffff9c
RBP: 00005635fec56e50 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 00000000ffffffff R14: 00005635fec52400 R15: 00005635fec566a0
Modules linked in: uinput xt_CHECKSUM xt_MASQUERADE nf_nat_tftp nf_conntrack_tftp nf_conntrack_netbios_ns nf_conntrack_broadcast xt_CT ccm 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 tun bridge stp llc ip_set nfnetlink ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter sunrpc brcmsmac brcmutil b43 cordic mac80211 ideapad_laptop cfg80211 ssb sparse_keymap snd_hda_codec_hdmi snd_hda_codec_conexant snd_hda_codec_generic wmi rfkill libarc4 ledtrig_audio snd_hda_intel snd_intel_dspcfg intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal snd_hda_codec snd_hda_core snd_hwdep intel_powerclamp coretemp snd_seq uvcvideo videobuf2_vmalloc kvm_intel videobuf2_memops videobuf2_v4l2 videobuf2_common videodev mc kvm snd_seq_device snd_pcm snd_timer snd
 soundcore irqbypass rtsx_usb_ms memstick iTCO_wdt intel_pmc_bxt rapl iTCO_vendor_support bcma intel_cstate at24 mei_hdcp intel_uncore i2c_i801 mei_me mei lpc_ich i2c_smbus joydev pcspkr ip_tables i915 rtsx_usb_sdmmc mmc_core crct10dif_pclmul i2c_algo_bit crc32_pclmul crc32c_intel drm_kms_helper cec ghash_clmulni_intel drm serio_raw atl1c rtsx_usb video fuse