Backtrace

BUG: unable to handle page fault for address: ffff9241528c10b3
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: 0000 [#1] SMP PTI
CPU: 7 PID: 23508 Comm: plymouthd Not tainted 5.13.5-200.fc34.x86_64 #1
Hardware name: MSI MS-7758/ZH77A-G41 (MS-7758), BIOS V1.4 06/14/2012
RIP: 0010:kobj_lookup+0x115/0x160
Code: e8 e0 95 98 ff 48 8b 44 24 10 48 85 c0 75 3e 49 8b bc 24 f8 07 00 00 e8 e9 ab 41 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:ffffb14088d13c58 EFLAGS: 00010282
RAX: 0000000062df0a4f RBX: 000000000040003f RCX: 0000000000000004
RDX: ffff91914155a780 RSI: 000000000040003f RDI: ffffffff8ddf1280
RBP: ffff9241528c10ab R08: 0000000000000000 R09: ffff9191417d08c8
R10: ffffb14088d13cf8 R11: 0000003336797474 R12: ffff91914004c000
R13: ffff9191417d08c8 R14: ffffb14088d13cbc R15: 0000000000000000
FS:  00007f8aa51c9800(0000) GS:ffff9192df3c0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff9241528c10b3 CR3: 0000000126782002 CR4: 00000000000606e0
Call Trace:
 chrdev_open+0x137/0x220
 ? cdev_default_release+0x20/0x20
 do_dentry_open+0x14b/0x360
 path_openat+0xab3/0x1020
 ? mutex_lock+0xe/0x30
 do_filp_open+0x8f/0x120
 ? __check_object_size+0x136/0x150
 ? alloc_fd+0x50/0x170
 do_sys_openat2+0x7a/0x130
 __x64_sys_openat+0x45/0x70
 do_syscall_64+0x40/0x80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f8aa554203b
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:00007fff62937750 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 000055909ea60af0 RCX: 00007f8aa554203b
RDX: 0000000000000902 RSI: 000055909ea61a20 RDI: 00000000ffffff9c
RBP: 000055909ea61a20 R08: 000055909ea61f80 R09: 00007f8aa5614a60
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000902
R13: 0000000000000000 R14: 0000000000000000 R15: 00007f8aa563be20
Modules linked in: binfmt_misc uinput snd_seq_dummy snd_hrtimer 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 nfnetlink ip6table_filter ip6_tables iptable_filter uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 sunrpc videobuf2_common videodev mc squashfs loop snd_hda_codec_hdmi snd_hda_codec_realtek usblp snd_hda_codec_generic ppdev ledtrig_audio mei_hdcp joydev intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp ath9k ath9k_common ath9k_hw snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi mac80211 snd_hda_codec snd_hda_core
 kvm_intel snd_hwdep snd_seq ath snd_seq_device snd_pcm iTCO_wdt cfg80211 snd_timer snd soundcore intel_pmc_bxt kvm rfkill libarc4 iTCO_vendor_support irqbypass mei_me at24 mei i2c_i801 i2c_smbus lpc_ich rapl intel_cstate intel_uncore pcspkr parport_pc parport zram ip_tables i915 i2c_algo_bit drm_kms_helper crct10dif_pclmul crc32_pclmul cec crc32c_intel drm ghash_clmulni_intel r8169 video fuse
CR2: ffff9241528c10b3