Backtrace

BUG: unable to handle page fault for address: ffff8b9d2c99f326
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 2f8001067 P4D 2f8001067 PUD 0 
Oops: 0000 [#1] PREEMPT SMP PTI
CPU: 3 PID: 68180 Comm: 3 Tainted: G           OE      6.0.12-100.fc35.x86_64 #1
Hardware name: Positivo Informatica SA POS-PIH81DI/POS-PIH81DI, BIOS 0105 11/06/2014
RIP: 0010:kobj_lookup+0x115/0x160
Code: e8 30 7a 8b ff 48 8b 44 24 10 48 85 c0 75 3e 49 8b bc 24 f8 07 00 00 e8 99 f6 48 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:ffffadaca1e6bba8 EFLAGS: 00010286
RAX: 00000000b37044af RBX: 0000000000500002 RCX: 0000000000000005
RDX: ffff8b95f5ad0000 RSI: 0000000000500002 RDI: ffffffffa71da640
RBP: ffff8b9d2c99f31e R08: 0000000000000000 R09: ffff8b9500530000
R10: 0000000000010000 R11: 3492e0ff87928b8f R12: ffff8b9500064000
R13: ffffffffa53b7b90 R14: ffffadaca1e6bc04 R15: ffffadaca1e6be34
FS:  00007f23a1a3fc00(0000) GS:ffff8b980e0c0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff8b9d2c99f326 CR3: 000000001c4aa005 CR4: 00000000001706e0
Call Trace:
 <TASK>
 ? cdev_device_add+0x90/0x90
 chrdev_open+0x12d/0x230
 ? cdev_device_add+0x90/0x90
 do_dentry_open+0x15f/0x430
 path_openat+0xa81/0x1070
 do_filp_open+0x9f/0x130
 do_sys_openat2+0x82/0x140
 __x64_sys_openat+0x45/0x70
 do_syscall_64+0x5c/0x90
 ? handle_mm_fault+0xb2/0x2a0
 ? do_user_addr_fault+0x1ee/0x6a0
 ? exc_page_fault+0x71/0x170
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f23a193e6eb
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:00007fff2306c560 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fff2306c710 RCX: 00007f23a193e6eb
RDX: 0000000000080102 RSI: 0000559fee4dac70 RDI: 00000000ffffff9c
RBP: 0000559fee4dac70 R08: 0000000000000001 R09: 0000559feea60e00
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000080102
R13: 00007fff2306cc00 R14: 000000000000000a R15: 00007fff2306ca20
 </TASK>
Modules linked in: uinput aker_client(OE) tun snd_seq_dummy snd_hrtimer xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp bridge stp llc rfkill 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 qrtr vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) sunrpc binfmt_misc vfat fat squashfs loop intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel snd_hda_codec_realtek snd_hda_codec_generic snd_soc_rt5640 ledtrig_audio snd_hda_codec_hdmi kvm snd_soc_rl6231 snd_hda_intel snd_soc_core snd_intel_dspcfg snd_intel_sdw_acpi iTCO_wdt intel_pmc_bxt irqbypass at24
 mei_hdcp mei_pxp snd_compress snd_hda_codec iTCO_vendor_support ac97_bus joydev rapl snd_hda_core snd_pcm_dmaengine snd_hwdep intel_cstate pcspkr snd_seq intel_uncore i2c_i801 i2c_smbus intel_pch_thermal snd_seq_device snd_pcm snd_timer mei_me lpc_ich mei snd soundcore acpi_pad zram ip_tables i915 i2c_algo_bit drm_buddy drm_display_helper drm_kms_helper cec crct10dif_pclmul crc32_pclmul crc32c_intel ttm polyval_clmulni polyval_generic ghash_clmulni_intel drm r8169 video ipmi_devintf ipmi_msghandler fuse
CR2: ffff8b9d2c99f326