Backtrace

BUG: unable to handle page fault for address: ffff938422188874
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: 0000 [#1] SMP PTI
CPU: 3 PID: 2294 Comm: fwupd Not tainted 5.11.12-300.fc34.x86_64 #1
Hardware name: ASUS All Series/Z97I-PLUS, BIOS 2304 12/08/2014
RIP: 0010:kobj_lookup+0x115/0x160
Code: e8 80 d1 9a ff 48 8b 44 24 10 48 85 c0 75 3e 49 8b bc 24 f8 07 00 00 e8 09 e9 3f 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:ffffb92d02277c68 EFLAGS: 00010286
RAX: 0000000040e292c6 RBX: 000000000ca00000 RCX: 00000000000000ca
RDX: ffff93799fe80000 RSI: 000000000ca00000 RDI: ffffffffbbbee480
RBP: ffff93842218886c R08: 0000000000000000 R09: ffff937981102d70
R10: ffffb92d02277d08 R11: 00000000ffffffff R12: ffff93798004b800
R13: ffff937981102d70 R14: ffffb92d02277ccc R15: ffff9379b44d0100
FS:  00007f1258e10b00(0000) GS:ffff937c8ed80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff938422188874 CR3: 0000000174a40004 CR4: 00000000001706e0
Call Trace:
 chrdev_open+0x137/0x220
 ? cdev_device_add+0x90/0x90
 do_dentry_open+0x14b/0x360
 path_openat+0x9ff/0xf20
 ? reweight_entity+0x128/0x140
 do_filp_open+0x7e/0x110
 ? __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+0x44/0xa9
RIP: 0033:0x7f125a6a7094
Code: 24 20 eb 8f 66 90 44 89 54 24 0c e8 66 f5 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 b8 f5 ff ff 8b 44
RSP: 002b:00007fff7c4e1970 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000559dfe5784e0 RCX: 00007f125a6a7094
RDX: 0000000000000002 RSI: 0000559dfe538990 RDI: 00000000ffffff9c
RBP: 0000559dfe538990 R08: 0000000000000000 R09: 00007f125a64c4e0
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
R13: 00007fff7c4e1b18 R14: 00007fff7c4e1b18 R15: 00007f1248bd515f
Modules linked in: uinput snd_seq_dummy snd_hrtimer rfcomm 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 cmac bnep sunrpc b43 cordic mac80211 snd_hda_codec_realtek snd_hda_codec_generic cfg80211 snd_hda_codec_hdmi ledtrig_audio snd_hda_intel snd_intel_dspcfg soundwire_intel soundwire_generic_allocation snd_soc_core ssb snd_compress snd_pcm_dmaengine mmc_core soundwire_cadence btusb intel_rapl_msr snd_hda_codec at24 mei_hdcp intel_rapl_common iTCO_wdt btrtl libarc4 intel_pmc_bxt btbcm iTCO_vendor_support x86_pkg_temp_thermal btintel intel_powerclamp bluetooth coretemp snd_hda_core rapl ac97_bus snd_hwdep
 intel_cstate snd_seq intel_uncore snd_seq_device eeepc_wmi asus_wmi pcspkr i2c_i801 sparse_keymap wmi_bmof snd_pcm i2c_smbus ecdh_generic snd_timer mei_me rfkill bcma joydev ecc snd lpc_ich mei soundcore acpi_pad zram ip_tables nouveau i2c_algo_bit drm_ttm_helper ttm drm_kms_helper cec mxm_wmi crct10dif_pclmul crc32_pclmul drm crc32c_intel e1000e ghash_clmulni_intel wmi video fuse
CR2: ffff938422188874