Backtrace

BUG: unable to handle page fault for address: ffff8a749ed347cc
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 13ba01067 P4D 13ba01067 PUD 0 
Oops: 0000 [#1] SMP PTI
CPU: 7 PID: 13295 Comm: plymouthd Not tainted 5.12.6-200.fc33.x86_64 #1
Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z87 Extreme4, BIOS P2.30 07/03/2013
RIP: 0010:kobj_lookup+0x115/0x160
Code: e8 60 81 99 ff 48 8b 44 24 10 48 85 c0 75 3e 49 8b bc 24 f8 07 00 00 e8 89 ae 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:ffff9d3083e4bc70 EFLAGS: 00010282
RAX: 00000000ab06be08 RBX: 000000000040003f RCX: 0000000000000004
RDX: ffff8a65f2d8cf00 RSI: 000000000040003f RDI: ffffffffaebef800
RBP: ffff8a749ed347c4 R08: 0000000000000000 R09: ffff8a66c1c35420
R10: 0000000000010000 R11: 00000000fffffda8 R12: ffff8a66c004b800
R13: ffff8a66c1c35420 R14: ffff9d3083e4bcd4 R15: 0000000000000000
FS:  00007f810e8b4f40(0000) GS:ffff8a6758dc0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff8a749ed347cc CR3: 000000010295a001 CR4: 00000000001706e0
Call Trace:
 chrdev_open+0x131/0x210
 ? cdev_device_add+0x90/0x90
 do_dentry_open+0x14b/0x360
 path_openat+0xa7c/0x1010
 ? __cond_resched+0x16/0x40
 ? mutex_lock+0xe/0x30
 ? drm_ioctl_kernel+0x86/0xd0 [drm]
 ? tlb_finish_mmu+0xaa/0x1d0
 do_filp_open+0x86/0x110
 ? __check_object_size+0x136/0x150
 ? alloc_fd+0x51/0x150
 do_sys_openat2+0x7b/0x130
 __x64_sys_openat+0x46/0x70
 do_syscall_64+0x33/0x40
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f810eb69b3b
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 4c 24 28 64 48 2b 0c 25
RSP: 002b:00007fff78354ee0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 000055fe47badad0 RCX: 00007f810eb69b3b
RDX: 0000000000000902 RSI: 000055fe47baea00 RDI: 00000000ffffff9c
RBP: 000055fe47baea00 R08: 000055fe47bafd10 R09: 00007f810ec3ca60
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000902
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Modules linked in: nls_utf8 uinput udf crc_itu_t xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp tun bridge stp llc ccm 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 nfnetlink ip6table_filter ip6_tables iptable_filter sunrpc intel_rapl_msr intel_rapl_common ath9k x86_pkg_temp_thermal snd_hda_codec_realtek ath9k_common intel_powerclamp coretemp ath9k_hw snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi snd_hda_intel kvm_intel mac80211 snd_intel_dspcfg snd_intel_sdw_acpi kvm snd_hda_codec snd_hda_core iTCO_wdt ath snd_hwdep irqbypass intel_pmc_bxt mei_hdcp iTCO_vendor_support rapl at24 cfg80211 intel_cstate snd_seq
 snd_seq_device intel_uncore i2c_i801 snd_pcm rfkill pcspkr mxm_wmi libarc4 lpc_ich i2c_smbus mei_me snd_timer snd mei joydev soundcore zram ip_tables amdgpu iommu_v2 gpu_sched hid_logitech_hidpp uas usb_storage hid_logitech_dj radeon i2c_algo_bit drm_ttm_helper crct10dif_pclmul ttm crc32_pclmul crc32c_intel drm_kms_helper ghash_clmulni_intel cec drm e1000e hid_uclogic wmi video fuse
CR2: ffff8a749ed347cc