Backtrace

BUG: unable to handle page fault for address: ffff9237d7d5328a
#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: 25906 Comm: plymouthd Tainted: P           OE     5.14.18-100.fc33.x86_64 #1
Hardware name: Dell Inc. Latitude E6530/07Y85M, BIOS A16 09/24/2014
RIP: 0010:kobj_lookup+0x115/0x160
Code: e8 20 82 97 ff 48 8b 44 24 10 48 85 c0 75 3e 49 8b bc 24 f8 07 00 00 e8 29 09 42 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:ffffbab3402e3c60 EFLAGS: 00010286
RAX: 00000000919d4914 RBX: 000000000040003f RCX: 0000000000000004
RDX: ffff912b7639a7c0 RSI: 000000000040003f RDI: ffffffff9adf3540
RBP: ffff9237d7d53282 R08: 0000000000000000 R09: ffff912c01ec5978
R10: 0000000000010000 R11: 0000003336797474 R12: ffff912c0004c800
R13: ffff912c01ec5978 R14: ffffbab3402e3cc4 R15: 0000000000000000
FS:  00007f908479bf40(0000) GS:ffff912f1e3c0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff9237d7d5328a CR3: 00000001a5182006 CR4: 00000000001706e0
Call Trace:
 chrdev_open+0x131/0x210
 ? cdev_default_release+0x20/0x20
 do_dentry_open+0x14b/0x350
 path_openat+0xae5/0x1070
 ? avc_has_extended_perms+0x18d/0x3f0
 ? mutex_lock+0xe/0x30
 ? drm_dropmaster_ioctl+0x62/0x110 [drm]
 ? drm_ioctl_kernel+0x86/0xd0 [drm]
 do_filp_open+0x96/0x120
 ? __check_object_size+0x136/0x150
 ? alloc_fd+0x51/0x170
 do_sys_openat2+0x7b/0x130
 __x64_sys_openat+0x46/0x70
 do_syscall_64+0x3b/0x90
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f9084a50b3b
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:00007ffc3c32e9a0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 000055f65acb5ad0 RCX: 00007f9084a50b3b
RDX: 0000000000000902 RSI: 000055f65acb6a00 RDI: 00000000ffffff9c
RBP: 000055f65acb6a00 R08: 000055f65acb8000 R09: 00007f9084b23a60
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000902
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Modules linked in: uinput rfcomm xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp tun 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 bnep sunrpc intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm iTCO_wdt snd_hda_codec_idt snd_hda_codec_hdmi intel_pmc_bxt snd_hda_codec_generic iTCO_vendor_support at24 dell_laptop ppdev snd_hda_intel mei_hdcp mei_wdt snd_intel_dspcfg snd_intel_sdw_acpi squashfs snd_hda_codec snd_hda_core irqbypass snd_hwdep uvcvideo loop snd_seq btusb rapl btrtl dell_smm_hwmon btbcm btintel wl(POE)
 videobuf2_vmalloc dell_wmi intel_cstate snd_seq_device videobuf2_memops ledtrig_audio videobuf2_v4l2 dell_smbios snd_pcm bluetooth dcdbas intel_uncore videobuf2_common wmi_bmof sparse_keymap dell_wmi_descriptor cfg80211 pcspkr videodev ecdh_generic i2c_i801 snd_timer joydev mei_me mc i2c_smbus lpc_ich snd parport_pc mei soundcore parport dell_rbtn dell_smo8800 rfkill zram ip_tables i915 nouveau drm_ttm_helper mxm_wmi i2c_algo_bit ttm drm_kms_helper e1000e sdhci_pci cec crct10dif_pclmul crc32_pclmul crc32c_intel cqhci sdhci mmc_core drm ghash_clmulni_intel serio_raw ata_generic pata_acpi wmi video fuse
CR2: ffff9237d7d5328a