Backtrace

BUG: unable to handle page fault for address: ffff9d86733a05ee
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: 0000 [#1] SMP PTI
CPU: 1 PID: 4475 Comm: plymouthd Not tainted 5.11.12-300.fc34.x86_64 #1
Hardware name: Dell Inc. Latitude E7240/05PTPV, BIOS A13 12/18/2014
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:ffffb66b0353fc68 EFLAGS: 00010282
RAX: 000000002c1d4824 RBX: 000000000040003f RCX: 0000000000000004
RDX: ffff9d5b8f8c8000 RSI: 000000000040003f RDI: ffffffff9fbee480
RBP: ffff9d86733a05e6 R08: 00000000000000e2 R09: 0000000000000064
R10: ffffb66b0353fd08 R11: 0000003336797474 R12: ffff9d5b4004c000
R13: ffff9d5b41251f60 R14: ffffb66b0353fccc R15: ffff9d5b454ce100
FS:  00007f7796982800(0000) GS:ffff9d5c56a80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff9d86733a05ee CR3: 000000014f9ae005 CR4: 00000000001706e0
Call Trace:
 chrdev_open+0x137/0x220
 ? cdev_device_add+0x90/0x90
 do_dentry_open+0x14b/0x360
 path_openat+0x9ff/0xf20
 ? security_capable+0x36/0x50
 ? capable+0x2f/0x50
 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: 0033:0x7f7796cfb45b
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:00007ffed1f67d20 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 000055667a548af0 RCX: 00007f7796cfb45b
RDX: 0000000000000902 RSI: 000055667a549a20 RDI: 00000000ffffff9c
RBP: 000055667a549a20 R08: 000055667a54ad50 R09: 00007f7796dcda60
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000902
R13: 0000000000000016 R14: 0000000000000000 R15: 00007f7796df4e20
Modules linked in: snd_seq_dummy rfcomm snd_hrtimer xt_MASQUERADE xt_conntrack xt_CHECKSUM ipt_REJECT nf_nat_tftp nf_conntrack_tftp 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 cmac bnep intel_rapl_msr sunrpc pn544_mei iTCO_wdt intel_pmc_bxt iTCO_vendor_support at24 mei_phy pn544 hci nfc snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic mei_wdt mei_hdcp intel_rapl_common ppdev x86_pkg_temp_thermal snd_hda_intel intel_powerclamp snd_intel_dspcfg soundwire_intel soundwire_generic_allocation snd_soc_core coretemp kvm_intel dell_laptop ledtrig_audio dell_smm_hwmon iwlmvm
 snd_compress snd_pcm_dmaengine btusb mac80211 btrtl btbcm btintel soundwire_cadence bluetooth kvm libarc4 snd_hda_codec irqbypass iwlwifi rapl intel_cstate intel_uncore uvcvideo snd_hda_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 ac97_bus videobuf2_common snd_hwdep snd_seq videodev dell_wmi snd_seq_device snd_pcm cfg80211 mc dell_smbios pcspkr dcdbas joydev ecdh_generic i2c_i801 ecc dell_wmi_descriptor lpc_ich wmi_bmof mei_me i2c_smbus sparse_keymap snd_timer snd soundcore mei parport_pc parport dell_rbtn rfkill zram ip_tables i915 i2c_algo_bit drm_kms_helper sdhci_pci cec crct10dif_pclmul crc32_pclmul cqhci drm crc32c_intel sdhci e1000e mmc_core ghash_clmulni_intel serio_raw wmi video fuse
CR2: ffff9d86733a05ee