Backtrace

BUG: unable to handle page fault for address: 000000000002afc0
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 0 P4D 0 
Oops: 0002 [#1] SMP PTI
CPU: 6 PID: 3572 Comm: pulseaudio Tainted: P           OE     5.8.18-100.fc31.x86_64 #1
Hardware name: System manufacturer System Product Name/PRIME H270-PLUS, BIOS 0808 07/10/2017
RIP: 0010:native_queued_spin_lock_slowpath+0x184/0x1c0
Code: 74 98 f3 90 8b 07 85 c0 74 f2 eb f6 c1 ee 12 83 e0 03 83 ee 01 48 c1 e0 05 48 63 f6 48 05 c0 af 02 00 48 03 04 f5 40 09 4b 92 <48> 89 10 8b 42 08 85 c0 75 09 f3 90 8b 42 08 85 c0 74 f7 48 8b 32
RSP: 0018:ffffb75e8166fa68 EFLAGS: 00010006
RAX: 000000000002afc0 RBX: ffff9fdb471e9960 RCX: 00000000001c0000
RDX: ffff9fe1c6daafc0 RSI: 000000000000272a RDI: ffff9fe19cac6940
RBP: ffff9fe19cac6940 R08: 00000000001c0000 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000000 R12: 0000000000000286
R13: ffffb75e8166fc70 R14: 0000000000000009 R15: ffff9fdb24000d6c
FS:  00007fad47522dc0(0000) GS:ffff9fe1c6d80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000002afc0 CR3: 0000000b9231a003 CR4: 00000000003606e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 _raw_spin_lock_irqsave+0x32/0x40
 remove_wait_queue+0x14/0x60
 poll_freewait+0x6b/0xa0
 do_sys_poll+0x456/0x4f0
 ? update_curr+0x73/0x1d0
 ? poll_select_finish+0x1e0/0x1e0
 ? poll_select_finish+0x1e0/0x1e0
 ? poll_select_finish+0x1e0/0x1e0
 ? poll_select_finish+0x1e0/0x1e0
 ? poll_select_finish+0x1e0/0x1e0
 ? poll_select_finish+0x1e0/0x1e0
 ? poll_select_finish+0x1e0/0x1e0
 ? poll_select_finish+0x1e0/0x1e0
 ? poll_select_finish+0x1e0/0x1e0
 __x64_sys_ppoll+0x84/0xc0
 do_syscall_64+0x4d/0x90
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fad47e73b56
Code: 7c 24 08 e8 ec 02 f9 ff 4c 8b 54 24 18 48 8b 74 24 10 41 b8 08 00 00 00 41 89 c1 48 8b 7c 24 08 4c 89 e2 b8 0f 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 25 44 89 cf 89 44 24 08 e8 16 03 f9 ff 8b 44
RSP: 002b:00007fff397eca00 EFLAGS: 00000293 ORIG_RAX: 000000000000010f
RAX: ffffffffffffffda RBX: 000055bb09ef24a0 RCX: 00007fad47e73b56
RDX: 0000000000000000 RSI: 0000000000000032 RDI: 000055bb0a07bb90
RBP: 0000000000000000 R08: 0000000000000008 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 000055bb09ef24a0 R14: 0000000000000001 R15: 000055bb0a005120
Modules linked in: uas usb_storage rfcomm xt_CHECKSUM xt_MASQUERADE nf_nat_tftp nf_conntrack_tftp tun nf_conntrack_netbios_ns nf_conntrack_broadcast xt_CT ip6t_REJECT nf_reject_ipv6 ip6t_rpfilter ipt_REJECT nf_reject_ipv4 xt_conntrack ebtable_nat ebtable_broute ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat iptable_mangle iptable_raw iptable_security nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 bridge stp llc ip_set nfnetlink ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter cmac bnep sunrpc vfat fat squashfs loop nvidia_drm(POE) nvidia_modeset(POE) nvidia_uvm(OE) nvidia(POE) intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp snd_hda_codec_realtek snd_hda_codec_generic kvm_intel snd_hda_codec_hdmi ledtrig_audio btusb btrtl btbcm btintel snd_hda_intel kvm bluetooth irqbypass snd_intel_dspcfg rapl intel_cstate drm_kms_helper snd_hda_codec snd_usb_audio intel_uncore uvcvideo cec gspca_vc032x ecdh_generic
 gspca_main ecc videobuf2_vmalloc snd_usbmidi_lib videobuf2_memops videobuf2_v4l2 snd_hda_core videobuf2_common drm snd_rawmidi videodev mei_hdcp mc joydev snd_hwdep iTCO_wdt intel_pmc_bxt ee1004 iTCO_vendor_support snd_seq snd_seq_device snd_pcm snd_timer snd eeepc_wmi asus_wmi sparse_keymap rfkill wmi_bmof pcspkr mei_me mei soundcore acpi_pad i2c_i801 i2c_smbus binfmt_misc ip_tables dm_crypt mxm_wmi crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel r8169 wmi video fuse
CR2: 000000000002afc0