Backtrace

BUG: unable to handle page fault for address: ffff930c12d1c9e4
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 5f1a01067 P4D 5f1a01067 PUD 0 
Oops: 0000 [#1] SMP PTI
CPU: 3 PID: 65308 Comm: plymouthd Tainted: P           O      5.12.13-300.fc34.x86_64 #1
Hardware name: MSI MS-7758/Z77A-G43 (MS-7758), BIOS V2.13 03/07/2014
RIP: 0010:kobj_lookup+0x115/0x160
Code: e8 20 b4 99 ff 48 8b 44 24 10 48 85 c0 75 3e 49 8b bc 24 f8 07 00 00 e8 69 9d 40 00 48 8b 44 24 18 49 8b 2c c4 48 85 ed 74 14 <8b> 45 08 39 d8 0f 86 33 ff ff ff 48 8b 6d 00 48 85 ed 75 ec 49 8b
RSP: 0018:ffffa2cbc252bc60 EFLAGS: 00010282
RAX: 00000000de8e24c6 RBX: 000000000040003f RCX: 0000000000000004
RDX: ffff93058c928000 RSI: 000000000040003f RDI: ffffffff84bef840
RBP: ffff930c12d1c9dc R08: 0000000000000000 R09: ffff93058169d420
R10: ffffa2cbc252bd00 R11: 0000003336797474 R12: ffff93058004c000
R13: ffff93058169d420 R14: ffffa2cbc252bcc4 R15: ffffa2cbc252bef4
FS:  00007fe0d192e800(0000) GS:ffff930a97780000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff930c12d1c9e4 CR3: 00000001beee8006 CR4: 00000000001706e0
Call Trace:
 chrdev_open+0x137/0x220
 ? cdev_device_add+0x90/0x90
 do_dentry_open+0x14b/0x360
 path_openat+0xa59/0xfc0
 ? __cond_resched+0x16/0x40
 ? mutex_lock+0xe/0x30
 do_filp_open+0x8f/0x120
 ? __check_object_size+0x136/0x150
 do_sys_openat2+0x7a/0x130
 __x64_sys_openat+0x45/0x70
 do_syscall_64+0x33/0x40
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fe0d1ca703b
Code: 25 00 00 41 00 3d 00 00 41 00 74 4b 64 8b 04 25 18 00 00 00 85 c0 75 67 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 91 00 00 00 48 8b 54 24 28 64 48 2b 14 25
RSP: 002b:00007fff1ccf6c20 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 000055698666daf0 RCX: 00007fe0d1ca703b
RDX: 0000000000000902 RSI: 000055698666ea20 RDI: 00000000ffffff9c
RBP: 000055698666ea20 R08: 000055698666ff60 R09: 00007fe0d1d79a60
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000902
R13: 0000000000000000 R14: 0000000000000000 R15: 00007fe0d1da0e20
Modules linked in: xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp 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 ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle iptable_raw iptable_security ip_set nf_tables rfkill nfnetlink ip6table_filter ip6_tables iptable_filter sunrpc vfat fat nvidia_drm(PO) nvidia_modeset(PO) nvidia_uvm(PO) nvidia(PO) intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm iTCO_wdt intel_pmc_bxt mei_hdcp iTCO_vendor_support at24 snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi snd_hda_intel irqbypass rapl intel_cstate snd_intel_dspcfg snd_intel_sdw_acpi intel_uncore snd_hda_codec snd_hda_core i2c_i801 snd_hwdep i2c_smbus
 joydev snd_seq snd_seq_device snd_pcm mei_me snd_timer snd lpc_ich soundcore mei zram ip_tables dm_crypt trusted i915 crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel i2c_algo_bit drm_kms_helper cec drm r8169 wmi video hid_steam fuse
CR2: ffff930c12d1c9e4