Backtrace

WARNING: CPU: 0 PID: 1792 at drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c:1304 iwl_mvm_mac_ctxt_add+0xb9/0xd0 [iwlmvm]
Adding active MAC 82:9d:c4:d7:e6:d5/2
Modules linked in: tun uas usb_storage tcp_lp fuse ccm ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 ipt_REJECT nf_reject_ipv4 xt_conntrack ebtable_nat ebtable_broute bridge stp llc ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat iptable_mangle iptable_security iptable_raw nf_conntrack ip_set nfnetlink ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter sunrpc vfat fat arc4 iwlmvm mac80211 wdat_wdt acer_wmi sparse_keymap snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec uvcvideo snd_hda_core snd_hwdep snd_seq edac_mce_amd btusb btrtl kvm snd_seq_device irqbypass snd_pcm pcspkr btbcm snd_timer snd iwlwifi soundcore videobuf2_vmalloc
videobuf2_memops videobuf2_core cfg80211 videodev joydev btintel rtsx_pci_ms bluetooth video fam15h_power memstick rfkill k10temp sg i2c_piix4 wmi dell_smo8800 i2c_designware_platform i2c_designware_core pinctrl_amd tpm_crb pcc_cpufreq acpi_cpufreq binfmt_misc ip_tables xfs libcrc32c dm_crypt drbg ansi_cprng sd_mod sr_mod cdrom crc_t10dif crct10dif_generic amdgpu crct10dif_pclmul crct10dif_common rtsx_pci_sdmmc crc32_pclmul crc32c_intel mmc_core ghash_clmulni_intel chash i2c_algo_bit amd_iommu_v2 gpu_sched drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm ahci libahci drm aesni_intel libata glue_helper lrw gf128mul ablk_helper cryptd serio_raw r8169 rtsx_pci drm_panel_orientation_quirks i2c_hid dm_mirror dm_region_hash dm_log dm_mod
CPU: 0 PID: 1792 Comm: NetworkManager Kdump: loaded Tainted: G        W      ------------   3.10.0-1062.9.1.el7.x86_64 #1
Hardware name: Acer Aspire E5-553/Wasp_BR, BIOS V1.13 11/15/2016
Call Trace:
[<ffffffffb657ac23>] dump_stack+0x19/0x1b
[<ffffffffb5e9b958>] __warn+0xd8/0x100
[<ffffffffb5e9b9df>] warn_slowpath_fmt+0x5f/0x80
[<ffffffffc0f84e6e>] ? iwl_mvm_mac_ctxt_init+0x12e/0x360 [iwlmvm]
[<ffffffffc0bbee87>] ? cfg80211_iter_combinations+0x217/0x2c0 [cfg80211]
[<ffffffffc0f854e9>] iwl_mvm_mac_ctxt_add+0xb9/0xd0 [iwlmvm]
[<ffffffffc0f7e669>] iwl_mvm_mac_add_interface+0x149/0x2d0 [iwlmvm]
[<ffffffffc0e9aa04>] drv_add_interface+0x54/0x120 [mac80211]
[<ffffffffc0eb07aa>] ieee80211_do_open+0x3aa/0x970 [mac80211]
[<ffffffffc0eb0dd9>] ieee80211_open+0x69/0x70 [mac80211]
[<ffffffffb6454132>] __dev_open+0xd2/0x150
[<ffffffffb6454463>] __dev_change_flags+0xa3/0x180
[<ffffffffb6454569>] dev_change_flags+0x29/0x60
[<ffffffffb6467835>] do_setlink+0x385/0xe50
[<ffffffffb651ac14>] ? inet6_fill_ifla6_attrs+0x3e4/0x420
[<ffffffffb6028408>] ? __kmalloc_node_track_caller+0x58/0x290
[<ffffffffb643aeba>] ? pskb_expand_head+0x6a/0x290
[<ffffffffb64380f1>] ? __kmalloc_reserve.isra.32+0x31/0x90
[<ffffffffb6437e63>] ? skb_queue_tail+0x43/0x50
[<ffffffffb6468fe2>] rtnl_newlink+0x532/0x890
[<ffffffffb6468bb3>] ? rtnl_newlink+0x103/0x890
[<ffffffffb610a400>] ? cred_has_capability+0xe0/0x120
[<ffffffffb6103c0e>] ? security_capable+0x1e/0x20
[<ffffffffb5ea9b49>] ? ns_capable+0x29/0x50
[<ffffffffb64693e7>] rtnetlink_rcv_msg+0xa7/0x260
[<ffffffffb6107a85>] ? sock_has_perm+0x75/0x90
[<ffffffffb6469340>] ? rtnl_newlink+0x890/0x890
[<ffffffffb648da7b>] netlink_rcv_skb+0xab/0xc0
[<ffffffffb6463708>] rtnetlink_rcv+0x28/0x30
[<ffffffffb648d400>] netlink_unicast+0x170/0x210
[<ffffffffb648d7a8>] netlink_sendmsg+0x308/0x420
[<ffffffffb642f3a6>] sock_sendmsg+0xb6/0xf0
[<ffffffffb651075b>] ? unix_dgram_sendmsg+0x3cb/0x770
[<ffffffffb6430269>] ___sys_sendmsg+0x3e9/0x400
[<ffffffffb5ee0008>] ? __enqueue_entity+0x78/0x80
[<ffffffffb5ee2789>] ? pick_next_entity+0xa9/0x190
[<ffffffffb5ee29ec>] ? set_next_entity+0x3c/0xe0
[<ffffffffb6431921>] __sys_sendmsg+0x51/0x90
[<ffffffffb6431972>] SyS_sendmsg+0x12/0x20
[<ffffffffb658dede>] system_call_fastpath+0x25/0x2a