Backtrace

WARNING: CPU: 0 PID: 1 at lib/percpu-refcount.c:155 percpu_ref_switch_to_atomic_rcu+0xf8/0x120
Modules linked in: uinput devlink snd_seq_dummy snd_hrtimer xt_CHECKSUM ipt_MASQUERADE xt_conntrack wireguard(OE) ip6_udp_tunnel udp_tunnel nft_masq_ipv6 nft_masq_ipv4 nft_masq nft_chain_route_ipv6 nft_chain_route_ipv4 nf_nat_tftp nft_objref nf_conntrack_tftp nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv6 nft_reject nft_ct nf_tables_set nft_chain_nat_ipv6 nft_chain_nat_ipv4 nf_tables ebtable_nat ebtable_broute bridge stp llc ip6table_nat nf_nat_ipv6 ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat_ipv4 nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c iptable_mangle iptable_raw iptable_security ip_set nfnetlink ebtable_filter ebtables ip6table_filter ip6_tables sunrpc vfat fat intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel iTCO_wdt iTCO_vendor_support crct10dif_pclmul crc32_pclmul ghash_clmulni_intel intel_cstate intel_uncore intel_rapl_perf eeepc_wmi asus_wmi sparse_keymap rfkill wmi_bmof
 snd_hda_codec_realtek i2c_i801 mxm_wmi snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi snd_hda_intel snd_hda_codec joydev snd_hda_core snd_hwdep snd_seq snd_seq_device snd_pcm lpc_ich snd_timer snd mei_me soundcore mei ie31200_edac pcc_cpufreq zram amdgpu chash amd_iommu_v2 gpu_sched i915 radeon kvmgt mdev crc32c_intel vfio kvm r8169 irqbypass i2c_algo_bit drm_kms_helper ttm drm wmi video hid_roccat_koneplus hid_roccat hid_roccat_common fuse
CPU: 0 PID: 1 Comm: systemd Tainted: G           OE     5.0.9-200.fc29.x86_64 #1
Hardware name: System manufacturer System Product Name/P8Z77-V LK, BIOS 1402 03/21/2014
RIP: 0010:percpu_ref_switch_to_atomic_rcu+0xf8/0x120
Code: 78 ff ff ff 80 3d 43 73 08 01 00 75 8c 49 8b 54 24 d8 49 8b 74 24 e8 48 c7 c7 e8 34 12 ba c6 05 29 73 08 01 01 e8 22 87 c2 ff <0f> 0b e9 68 ff ff ff f0 49 83 6c 24 d8 01 75 9c 49 8b 44 24 e8 48
RSP: 0018:ffff9d1d67803ee8 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 7ffffffffffff519 RCX: 0000000000000000
RDX: 000000000000003f RSI: ffffffffbabb065f RDI: 0000000000000246
RBP: 0000332518436c58 R08: 0000000000000002 R09: 0000000000020880
R10: 00000e370fa68edd R11: ffffffffbabb0644 R12: ffff9d1d4b0a5038
R13: ffffffffba5717e0 R14: 0000000000000009 R15: 0000000000000009
FS:  00007f8e9073f340(0000) GS:ffff9d1d67800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000563e13f55550 CR3: 0000000225af6005 CR4: 00000000001606f0
Call Trace:
 <IRQ>
 rcu_process_callbacks+0x297/0x460
 __do_softirq+0xe3/0x30a
 irq_exit+0x100/0x110
 smp_apic_timer_interrupt+0x74/0x140
 apic_timer_interrupt+0xf/0x20
 </IRQ>
RIP: 0010:ep_scan_ready_list.constprop.21+0x1b9/0x220
Code: 01 00 00 00 be 03 00 00 00 e8 23 85 df ff 49 8b 45 40 49 8d 55 40 31 db 48 39 c2 0f 95 c3 41 c6 45 20 00 fb 66 0f 1f 44 00 00 <45> 84 f6 74 31 85 db 75 39 48 8b 74 24 30 65 48 33 34 25 28 00 00
RSP: 0018:ffffb04280c6bde0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: ffff9d1d584b1a00 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff9d1d584b1a00 RSI: ffff9d1d4bd4af98 RDI: 0000000000000000
RBP: ffff9d1d584b1a10 R08: ffff9d1d584b1a10 R09: ffff9d1d584b1a10
R10: 0000000000000000 R11: 0000000000000000 R12: ffffb04280c6be00
R13: ffff9d1d584b19c0 R14: 0000000000000000 R15: ffffffffffffffff
 ep_poll+0x88/0x450
 ? __sys_sendmsg+0x57/0xa0
 do_epoll_wait+0xb0/0xd0
 __x64_sys_epoll_wait+0x1a/0x20
 do_syscall_64+0x5b/0x160
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f8e912ac9ee
Code: 10 89 7c 24 0c 89 4c 24 1c e8 6e 55 f8 ff 44 8b 54 24 1c 8b 54 24 18 41 89 c0 48 8b 74 24 10 8b 7c 24 0c b8 e8 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 32 44 89 c7 89 44 24 0c e8 be 55 f8 ff 8b 44
RSP: 002b:00007fff047565e0 EFLAGS: 00000293 ORIG_RAX: 00000000000000e8
RAX: ffffffffffffffda RBX: 0000563e13299028 RCX: 00007f8e912ac9ee
RDX: 000000000000016e RSI: 0000563e13364400 RDI: 0000000000000004
RBP: 0000563e13298e90 R08: 0000000000000000 R09: 000000000000016e
R10: 0000000000000000 R11: 0000000000000293 R12: 00000000000002a8
R13: 0000563e13298e90 R14: 0000000000000044 R15: 0000563e13299020