Backtrace

BUG: unable to handle page fault for address: ffff996fb8927c78
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 25da01067 P4D 25da01067 PUD 0 
Oops: 0000 [#1] SMP PTI
CPU: 6 PID: 14564 Comm: plymouthd Tainted: G           OE     5.12.7-300.fc34.x86_64 #1
Hardware name: Gigabyte Technology Co., Ltd. To be filled by O.E.M./H61M-S2P-R3, BIOS F2 04/26/2013
RIP: 0010:kobj_lookup+0x115/0x160
Code: e8 a0 bb 99 ff 48 8b 44 24 10 48 85 c0 75 3e 49 8b bc 24 f8 07 00 00 e8 19 95 40 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:ffffbb8a037dfc60 EFLAGS: 00010282
RAX: 0000000077d2799f RBX: 000000000040003f RCX: 0000000000000004
RDX: ffff996f150f0000 RSI: 000000000040003f RDI: ffffffffb7bef800
RBP: ffff996fb8927c70 R08: 0000000000000000 R09: ffff996d417aa7d0
R10: ffffbb8a037dfd00 R11: 0000003336797474 R12: ffff996d4004c000
R13: ffff996d417aa7d0 R14: ffffbb8a037dfcc4 R15: ffffbb8a037dfef4
FS:  00007fc4787cd800(0000) GS:ffff996f52d80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff996fb8927c78 CR3: 0000000164eb4002 CR4: 00000000000606e0
Call Trace:
 chrdev_open+0x137/0x220
 ? cdev_device_add+0x90/0x90
 do_dentry_open+0x14b/0x360
 path_openat+0xa59/0xfc0
 ? __cond_resched+0x16/0x40
 ? mutex_lock+0xe/0x30
 ? drm_dropmaster_ioctl+0x62/0x110 [drm]
 ? drm_setmaster_ioctl+0x160/0x160 [drm]
 ? drm_ioctl_kernel+0x86/0xd0 [drm]
 do_filp_open+0x8f/0x120
 ? __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+0x44/0xae
RIP: 0033:0x7fc478b4603b
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:00007ffe6a398230 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 000055e85c874af0 RCX: 00007fc478b4603b
RDX: 0000000000000902 RSI: 000055e85c875a20 RDI: 00000000ffffff9c
RBP: 000055e85c875a20 R08: 000055e85c876e30 R09: 00007fc478c18a60
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000902
R13: 0000000000000000 R14: 0000000000000000 R15: 00007fc478c3fe20
Modules linked in: bluetooth ecdh_generic ecc vmnet(OE) vmmon(OE) 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 vmw_vsock_vmci_transport vsock vmw_vmci sunrpc snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi intel_rapl_msr snd_hda_intel intel_rapl_common rtl8192cu snd_intel_dspcfg snd_intel_sdw_acpi rtl_usb rtl8192c_common x86_pkg_temp_thermal snd_hda_codec intel_powerclamp rtlwifi coretemp vfat snd_hda_core fat snd_hwdep mac80211 kvm_intel snd_seq
 snd_seq_device kvm snd_pcm ppdev iTCO_wdt at24 cfg80211 intel_pmc_bxt mei_hdcp iTCO_vendor_support irqbypass rapl intel_cstate snd_timer intel_uncore pcspkr rfkill snd joydev libarc4 i2c_i801 parport_pc i2c_smbus lpc_ich soundcore mei_me parport mei zram ip_tables nouveau drm_ttm_helper ttm mxm_wmi wmi i2c_algo_bit drm_kms_helper crct10dif_pclmul crc32_pclmul cec crc32c_intel drm ghash_clmulni_intel serio_raw ata_generic pata_acpi r8169 video fuse
CR2: ffff996fb8927c78