Backtrace

BUG: unable to handle page fault for address: ffff984ce37958fb
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 220001067 P4D 220001067 PUD 0 
Oops: 0000 [#2] PREEMPT SMP PTI
CPU: 0 PID: 20198 Comm: plymouthd Tainted: G      D            6.1.6-100.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 8f 59 86 ff 4d 85 ed 75 3f 49 8b bc 24 f8 07 00 00 e8 5d 9b 4b 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:ffffa7d203c97c18 EFLAGS: 00010286
RAX: 000000004e6ed533 RBX: 000000000040003f RCX: 0000000000000004
RDX: ffff980f765d2780 RSI: 000000000040003f RDI: ffffffff851dd5c0
RBP: ffffffffffffffff R08: 0000000000000064 R09: ffff980ec09af190
R10: ffffa7d203c97cb0 R11: ffff980ec4658310 R12: ffff980ec005c000
R13: ffffffff833cd220 R14: 000000000040003f R15: ffff984ce37958f3
FS:  00007f4447a33740(0000) GS:ffff9811cfa00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff984ce37958fb CR3: 000000019fa02004 CR4: 00000000000706f0
Call Trace:
 <TASK>
 ? __unregister_chrdev+0x50/0x50
 chrdev_open+0x12f/0x220
 ? __unregister_chrdev+0x50/0x50
 do_dentry_open+0x1e5/0x410
 path_openat+0xb56/0x1230
 ? bpf_lsm_capset+0x10/0x10
 do_filp_open+0x9e/0x130
 do_sys_openat2+0x96/0x150
 __x64_sys_openat+0x5c/0x80
 do_syscall_64+0x5b/0x80
 ? syscall_exit_to_user_mode+0x17/0x40
 ? do_syscall_64+0x67/0x80
 ? exc_page_fault+0x70/0x170
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f4447901628
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:00007ffc03dd37e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000902 RCX: 00007f4447901628
RDX: 0000000000000902 RSI: 0000561ee7bc86d0 RDI: 00000000ffffff9c
RBP: 0000561ee7bc86d0 R08: 0000561ee7bcfd60 R09: 00007f4447976ba0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000016
R13: 00007f4447b7edc8 R14: 0000000000000000 R15: 0000561ee7bcfd10
 </TASK>
Modules linked in: tls binfmt_misc snd_seq_dummy snd_hrtimer xt_conntrack xt_MASQUERADE nf_conntrack_netlink xt_addrtype nft_compat br_netfilter bridge stp llc 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 overlay nf_tables nfnetlink qrtr sunrpc vfat fat intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass iTCO_wdt mt7601u intel_pmc_bxt mei_hdcp mei_pxp iTCO_vendor_support squashfs loop at24 mac80211 rapl uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 intel_cstate videobuf2_common libarc4 videodev intel_uncore cfg80211 snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi snd_hda_intel pcspkr snd_intel_dspcfg snd_intel_sdw_acpi rfkill mc snd_hda_codec snd_hda_core i2c_i801 snd_hwdep lpc_ich i2c_smbus
 snd_seq snd_seq_device snd_pcm mei_me snd_timer snd mei soundcore zram i915 crct10dif_pclmul crc32_pclmul crc32c_intel polyval_generic ghash_clmulni_intel sha512_ssse3 drm_buddy drm_display_helper r8169 cec ttm video wmi ip6_tables ip_tables fuse
CR2: ffff984ce37958fb