Backtrace

BUG: unable to handle page fault for address: ffff8bbe63db770c
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 315001067 P4D 315001067 PUD 0 
Oops: 0000 [#2] PREEMPT SMP PTI
CPU: 1 PID: 8875 Comm: plymouthd Tainted: G      D            6.0.5-200.fc36.x86_64 #1
Hardware name: INTEL H81/H81, BIOS 4.6.5 05/30/2019
RIP: 0010:kobj_lookup+0x111/0x160
Code: 24 08 49 89 c5 e8 ef 01 86 ff 4d 85 ed 75 3f 49 8b bc 24 f8 07 00 00 e8 9d 4f 49 00 48 8b 44 24 18 4d 8b 3c c4 4d 85 ff 74 14 <41> 8b 47 08 39 c3 0f 83 34 ff ff ff 4d 8b 3f 4d 85 ff 75 ec 49 8b
RSP: 0018:ffff99ac0b027bb8 EFLAGS: 00010282
RAX: 00000000090ea102 RBX: 000000000040003f RCX: 0000000000000004
RDX: ffff8bb7212527c0 RSI: 000000000040003f RDI: ffffffffae1da500
RBP: ffffffffffffffff R08: 0000000000000064 R09: ffff8bb5c0851600
R10: ffff99ac0b027c50 R11: ffff8bb5ddea2110 R12: ffff8bb5c005c000
R13: ffffffffac3bf230 R14: 000000000040003f R15: ffff8bbe63db7704
FS:  00007f4dd241c740(0000) GS:ffff8bb8cfb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff8bbe63db770c CR3: 00000001b90a0002 CR4: 00000000000706e0
Call Trace:
 <TASK>
 ? cdev_device_add+0x90/0x90
 chrdev_open+0x12f/0x220
 ? cdev_device_add+0x90/0x90
 do_dentry_open+0x1e5/0x410
 path_openat+0xc44/0x1380
 do_filp_open+0x9e/0x130
 do_sys_openat2+0x96/0x150
 __x64_sys_openat+0x5c/0x80
 do_syscall_64+0x5b/0x80
 ? __x64_sys_ioctl+0x90/0xd0
 ? syscall_exit_to_user_mode+0x17/0x40
 ? do_syscall_64+0x67/0x80
 ? do_user_addr_fault+0x1ef/0x690
 ? exc_page_fault+0x70/0x170
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f4dd2301628
Code: f0 25 00 00 41 00 3d 00 00 41 00 74 45 64 8b 04 25 18 00 00 00 85 c0 75 69 89 da 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 8c 00 00 00 48 8b 54 24 28 64 48 2b 14 25
RSP: 002b:00007fff1cb9ea40 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000902 RCX: 00007f4dd2301628
RDX: 0000000000000902 RSI: 00005600103576d0 RDI: 00000000ffffff9c
RBP: 00005600103576d0 R08: 000056001035ee20 R09: 00007f4dd2376ba0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000016
R13: 00007f4dd2567dc8 R14: 0000000000000000 R15: 000056001035edd0
 </TASK>
Modules linked in: tls snd_seq_dummy snd_hrtimer 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 nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nf_tables nfnetlink qrtr sunrpc intel_rapl_msr mt7601u intel_rapl_common mac80211 x86_pkg_temp_thermal intel_powerclamp coretemp snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi snd_hda_intel kvm_intel snd_intel_dspcfg snd_intel_sdw_acpi uvcvideo snd_hda_codec vfat fat kvm libarc4 mei_pxp mei_hdcp at24 snd_hda_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 iTCO_wdt intel_pmc_bxt snd_hwdep cfg80211 irqbypass iTCO_vendor_support videobuf2_common snd_seq rapl snd_seq_device intel_cstate snd_pcm squashfs videodev loop intel_uncore joydev mei_me snd_timer mc rfkill i2c_i801 pcspkr snd mei i2c_smbus lpc_ich soundcore zram i915 drm_buddy drm_display_helper
 crct10dif_pclmul crc32_pclmul crc32c_intel cec polyval_generic ttm ghash_clmulni_intel r8169 video ip6_tables ip_tables fuse
CR2: ffff8bbe63db770c