Backtrace

WARNING: CPU: 2 PID: 0 at net/mac80211/rx.c:804 ieee80211_rx_napi+0x965/0x9c0 [mac80211]
Modules linked in: xt_CHECKSUM xt_MASQUERADE nf_nat_tftp nf_conntrack_tftp nf_conntrack_netbios_ns nf_conntrack_broadcast tun xt_CT bridge stp llc 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 libcrc32c ip_set nfnetlink ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) sunrpc vfat fat rtl8xxxu nvidia_drm(POE) nvidia_modeset(POE) rtl8192cu rtl_usb rtl8192c_common intel_rapl_msr rtlwifi mac80211 mei_hdcp mei_wdt intel_rapl_common iTCO_wdt iTCO_vendor_support x86_pkg_temp_thermal intel_powerclamp ppdev coretemp kvm_intel cfg80211 kvm snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi nvidia(POE) snd_hda_intel rfkill libarc4 irqbypass snd_intel_dspcfg joydev snd_hda_codec rapl
 intel_cstate intel_uncore snd_hda_core snd_hwdep snd_seq snd_seq_device snd_pcm drm_kms_helper pcspkr i2c_i801 drm mei_me snd_timer mei snd soundcore lpc_ich parport_pc parport binfmt_misc ip_tables dm_crypt crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel r8169 video fuse
CPU: 2 PID: 0 Comm: swapper/2 Tainted: P           OE     5.7.9-100.fc31.x86_64 #1
Hardware name: Gigabyte Technology Co., Ltd. B85M-D3H/B85M-D3H, BIOS F15 08/20/2015
RIP: 0010:ieee80211_rx_napi+0x965/0x9c0 [mac80211]
Code: 89 5c 24 34 e8 1c 54 d2 f2 44 8b 5c 24 34 85 c0 0f 84 5b fd ff ff 48 89 ef e8 57 49 d2 f2 31 ff e8 50 49 d2 f2 e9 e3 f9 ff ff <0f> 0b 48 89 ef e8 41 49 d2 f2 e9 d4 f9 ff ff 41 39 c7 0f 82 c3 f9
RSP: 0018:ffffaaf2c0100d38 EFLAGS: 00010202
RAX: 0000000000000080 RBX: ffff9392fa530800 RCX: 0000000000000004
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9392fa530800
RBP: ffff9392fbd20400 R08: ffff9392fbd20400 R09: 0000000000000100
R10: 0000000000003c00 R11: 0000000000000425 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff939301d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000004b4064b3300 CR3: 000000060ea0a003 CR4: 00000000001606e0
Call Trace:
 <IRQ>
 ? xhci_urb_enqueue+0x1e8/0x580
 ? enqueue_task_fair+0x8e/0x690
 ? rtl92cu_rx_query_desc+0x1b8/0x210 [rtl8192cu]
 _rtl_usb_rx_process_noagg+0x17c/0x1b0 [rtl_usb]
 _rtl_rx_work+0x56/0xf0 [rtl_usb]
 tasklet_action_common.isra.0+0x5b/0x100
 __do_softirq+0xee/0x2ff
 irq_exit+0xe9/0xf0
 do_IRQ+0x55/0xe0
 common_interrupt+0xf/0xf
 </IRQ>
RIP: 0010:cpuidle_enter_state+0xc9/0x3e0
Code: e8 ec 41 8c ff 80 7c 24 0f 00 74 17 9c 58 0f 1f 44 00 00 f6 c4 02 0f 85 ea 02 00 00 31 ff e8 ce 80 92 ff fb 66 0f 1f 44 00 00 <45> 85 ed 0f 88 40 02 00 00 49 63 d5 4c 2b 64 24 10 48 8d 04 52 48
RSP: 0018:ffffaaf2c0097e78 EFLAGS: 00000246 ORIG_RAX: ffffffffffffffdc
RAX: ffff939301d2aec0 RBX: ffff939301d35f28 RCX: 000000000000001f
RDX: 0000000000000000 RSI: 000000002817b731 RDI: 0000000000000000
RBP: ffffffffb5b5f2e0 R08: 0000004001799b2b R09: 000000007fffffff
R10: 0000000000000019 R11: ffff939301d29ce4 R12: 0000004001799b2b
R13: 0000000000000005 R14: 0000000000000005 R15: ffff9392fe172680
 ? cpuidle_enter_state+0xa4/0x3e0
 cpuidle_enter+0x29/0x40
 do_idle+0x1c0/0x260
 cpu_startup_entry+0x19/0x20
 start_secondary+0x15c/0x1a0
 secondary_startup_64+0xb6/0xc0