Backtrace

BUG: unable to handle page fault for address: ffff9c548207fd90
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 100000067 P4D 100000067 PUD 1001d5067 PMD 1033ea067 PTE 0
Oops: 0002 [#2] SMP PTI
CPU: 0 PID: 1974 Comm: Xorg Tainted: P      D    OE     5.12.7-300.fc34.x86_64 #1
Hardware name: System Manufact System Product/DFI LP UT X58, BIOS 6.00 PG 05/08/2009
RIP: 0010:_raw_spin_lock_irqsave+0x1f/0x40
Code: ff 66 2e 0f 1f 84 00 00 00 00 00 66 66 66 66 90 41 54 9c 58 66 66 90 66 90 49 89 c4 fa 66 66 90 66 66 90 31 c0 ba 01 00 00 00 <f0> 0f b1 17 75 06 4c 89 e0 41 5c c3 89 c6 e8 de 3f 54 ff 66 90 4c
RSP: 0018:ffff9c54820afc50 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffff8f101671b0c0 RCX: 0000000200000000
RDX: 0000000000000001 RSI: ffff9c54820afcd8 RDI: ffff9c548207fd90
RBP: ffff9c54820afcd8 R08: 0000000000000001 R09: 0000000000000064
R10: 0000000000000000 R11: ffff8c929e8d9e8f R12: 0000000000000246
R13: ffff9c54820afdf0 R14: ffff8f101671bfb0 R15: ffff8f101671bf58
FS:  00007f4b7ae1ea80(0000) GS:ffff8f10d9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff9c548207fd90 CR3: 0000000127264000 CR4: 00000000000006f0
Call Trace:
 add_wait_queue+0x1d/0xa0
 d_alloc_parallel+0x3ae/0x480
 ? __d_lookup+0x73/0x130
 ? wake_up_q+0xa0/0xa0
 path_openat+0x7b8/0xfc0
 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: 0033:0x7f4b7b69d03b
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:00007ffed0cba280 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 000055b0614e1650 RCX: 00007f4b7b69d03b
RDX: 0000000000000000 RSI: 00007ffed0cba4e0 RDI: 00000000ffffff9c
RBP: 00007ffed0cba4e0 R08: 0000000000000008 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000055b0614e1650 R14: 0000000000000001 R15: 00007ffed0cba804
Modules linked in: xt_CHECKSUM xt_MASQUERADE xt_conntrack 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 rt2800usb rt2x00usb rt2800lib rt2x00lib sunrpc mac80211 uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev cfg80211 snd_usb_audio joydev snd_usbmidi_lib snd_rawmidi mc rfkill libarc4 usblp intel_powerclamp coretemp kvm_intel snd_hda_codec_realtek squashfs snd_hda_codec_generic kvm ledtrig_audio snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec loop snd_hda_core iTCO_wdt intel_pmc_bxt
 iTCO_vendor_support snd_hwdep snd_seq snd_seq_device irqbypass snd_pcm intel_cstate snd_timer intel_uncore pcspkr snd i2c_i801 lpc_ich soundcore i2c_smbus i7core_edac i5500_temp acpi_cpufreq binfmt_misc zram ip_tables nouveau drm_ttm_helper ttm i2c_algo_bit video drm_kms_helper cec crc32c_intel drm firewire_ohci serio_raw firewire_core ata_generic mxm_wmi pata_acpi crc_itu_t sky2 pata_jmicron wmi fuse
CR2: ffff9c548207fd90