Backtrace

WARNING: CPU: 2 PID: 1023 at drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c:315 iwl_mvm_mac_ctxt_init+0x1b2/0x1e0 [iwlmvm]
Modules linked in: uinput rfcomm ccm xt_CHECKSUM xt_MASQUERADE nf_nat_tftp nf_conntrack_tftp 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 tun bridge stp llc ip_set nfnetlink ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter cmac bnep sunrpc squashfs loop iwlmvm snd_soc_skl snd_soc_sst_ipc snd_soc_sst_dsp snd_hda_codec_hdmi snd_hda_ext_core snd_soc_acpi_intel_match snd_soc_acpi mac80211 snd_soc_core snd_hda_codec_realtek snd_hda_codec_generic snd_compress intel_rapl_msr intel_rapl_common ac97_bus libarc4 snd_pcm_dmaengine snd_hda_intel snd_intel_dspcfg x86_pkg_temp_thermal snd_hda_codec intel_powerclamp coretemp kvm_intel ee1004 iwlwifi iTCO_wdt intel_pmc_bxt iTCO_vendor_support btusb
 snd_hda_core mei_wdt mei_hdcp snd_hwdep btrtl btbcm snd_seq btintel snd_seq_device bluetooth kvm snd_pcm uvcvideo videobuf2_vmalloc irqbypass rapl videobuf2_memops intel_cstate videobuf2_v4l2 intel_uncore videobuf2_common cfg80211 videodev pcspkr joydev wmi_bmof ecdh_generic mc i2c_i801 snd_timer i2c_smbus ecc thinkpad_acpi mei_me intel_xhci_usb_role_switch roles mei ledtrig_audio intel_pch_thermal snd soundcore rfkill binfmt_misc ip_tables i915 rtsx_pci_sdmmc mmc_core i2c_algo_bit drm_kms_helper crct10dif_pclmul crc32_pclmul crc32c_intel cec e1000e ghash_clmulni_intel drm serio_raw rtsx_pci wmi video fuse
CPU: 2 PID: 1023 Comm: wpa_supplicant Tainted: G        W         5.8.18-100.fc31.x86_64 #1
Hardware name: LENOVO 20FA0045MH/20FA0045MH, BIOS N1CET54W (1.22 ) 02/10/2017
RIP: 0010:iwl_mvm_mac_ctxt_init+0x1b2/0x1e0 [iwlmvm]
Code: 03 00 00 00 00 48 c7 83 a0 03 00 00 00 00 00 00 48 83 e7 f8 48 29 f9 81 c1 a8 03 00 00 c1 e9 03 f3 48 ab b8 fb ff ff ff eb 87 <0f> 0b b8 f0 ff ff ff e9 7b ff ff ff 49 8b 3c 24 48 c7 c1 68 a9 ef
RSP: 0018:ffff970a80e67b60 EFLAGS: 00010202
RAX: 0000000000000050 RBX: ffff8ab4d5ca3670 RCX: ffff970a80e67b60
RDX: ffffffffc0ebe170 RSI: 0000000000000000 RDI: ffff8ab4d61a07e0
RBP: ffff8ab4d5ca34d8 R08: ffffffffc0bbf358 R09: 0000000000000000
R10: 000000000000000c R11: ffff8ab4d0c80a00 R12: ffff8ab4d61a1ea8
R13: ffff8ab4d61a1ea8 R14: ffff8ab4d5ca3670 R15: ffff8ab4d61a1ed8
FS:  00007f552a68fc00(0000) GS:ffff8ab4d9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005558fc400f30 CR3: 00000001ecb44004 CR4: 00000000003606e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 iwl_mvm_mac_add_interface+0x70/0x2e0 [iwlmvm]
 drv_add_interface+0x49/0x120 [mac80211]
 ieee80211_do_open+0x13d/0x9d0 [mac80211]
 ? ieee80211_check_concurrent_iface+0x14f/0x1c0 [mac80211]
 __dev_open+0xb5/0x150
 __dev_change_flags+0x181/0x1e0
 dev_change_flags+0x21/0x60
 devinet_ioctl+0x608/0x770
 inet_ioctl+0x190/0x1c0
 ? netdev_name_node_lookup_rcu+0x68/0x80
 ? netdev_name_node_lookup_rcu+0x68/0x80
 ? dev_get_by_name_rcu+0xa/0x20
 sock_do_ioctl+0x47/0x140
 ? selinux_file_ioctl+0x152/0x1f0
 sock_ioctl+0x24f/0x3c0
 ksys_ioctl+0x87/0xc0
 __x64_sys_ioctl+0x16/0x20
 do_syscall_64+0x4d/0x90
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f552aa2237b
Code: 0f 1e fa 48 8b 05 0d 9b 0c 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d dd 9a 0c 00 f7 d8 64 89 01 48
RSP: 002b:00007ffc598681b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f552aa2237b
RDX: 00007ffc598681c0 RSI: 0000000000008914 RDI: 0000000000000008
RBP: 0000000000000008 R08: 0000000000000007 R09: 0000564136723010
R10: 00007f552aaec9e0 R11: 0000000000000246 R12: 0000000000000000
R13: 000056413679c350 R14: 00007ffc598681c0 R15: 0000000000000000