Backtrace

WARNING: CPU: 3 PID: 831 at drivers/net/wireless/intel/iwlwifi/mvm/tx.c:1496 iwl_mvm_rx_tx_cmd.cold.37+0x11/0x27 [iwlmvm]
Modules linked in: nft_reject_ipv4 nft_masq nf_nat_h323 nf_conntrack_h323 nf_nat_pptp nf_conntrack_pptp nf_nat_sip nf_conntrack_sip nf_nat_irc nf_conntrack_irc nf_nat_ftp nf_conntrack_ftp ccm uinput rfcomm snd_seq_dummy snd_hrtimer xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp bridge stp llc nft_objref nf_conntrack_netbios_ns nf_conntrack_broadcast nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nf_tables_set nft_chain_nat nf_tables ebtable_nat ebtable_broute ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat 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 iptable_filter ip_tables cmac bnep sunrpc intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel iwlmvm mac80211 kvm libarc4 iwlwifi iTCO_wdt mei_wdt
 iTCO_vendor_support mei_hdcp irqbypass crct10dif_pclmul snd_hda_codec_realtek crc32_pclmul snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel cfg80211 ghash_clmulni_intel intel_cstate snd_hda_codec uvcvideo intel_uncore btusb intel_rapl_perf btrtl videobuf2_vmalloc videobuf2_memops btbcm snd_hda_core snd_hwdep videobuf2_v4l2 btintel snd_seq bluetooth snd_seq_device videobuf2_common snd_pcm rtsx_pci_ms wmi_bmof videodev i2c_i801 memstick thinkpad_acpi lpc_ich joydev mc mei_me snd_timer ecdh_generic ledtrig_audio ecc mei snd soundcore rfkill zram i915 rtsx_pci_sdmmc mmc_core i2c_algo_bit drm_kms_helper crc32c_intel drm serio_raw e1000e rtsx_pci wmi video fuse
CPU: 3 PID: 831 Comm: irq/52-iwlwifi Not tainted 5.3.11-100.fc29.x86_64 #1
Hardware name: LENOVO 20ARS19C0B/20ARS19C0B, BIOS GJET85WW (2.35 ) 09/21/2015
RIP: 0010:iwl_mvm_rx_tx_cmd.cold.37+0x11/0x27 [iwlmvm]
Code: a3 a9 fd ff 48 c7 c7 38 2b f3 c0 e8 d2 45 22 f1 0f 0b 31 c0 e9 aa ab fd ff 48 c7 c7 38 2b f3 c0 4c 89 54 24 08 e8 b8 45 22 f1 <0f> 0b 31 ed 41 81 4f 28 00 01 00 00 4c 8b 54 24 08 e9 4f b7 fd ff
RSP: 0018:ffffb5f600577d20 EFLAGS: 00010246
RAX: 0000000000000024 RBX: 0000000000000088 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff9618124d7908 RDI: ffff9618124d7908
RBP: 0000000000000020 R08: 00000000000003bb R09: 0000000000000003
R10: 0000000000000000 R11: 0000000000000001 R12: ffff9617b1ac8c26
R13: ffff9617d3163000 R14: ffff9617f97f9e28 R15: ffff9617d33caf00
FS:  0000000000000000(0000) GS:ffff9618124c0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2c0cbe29d8 CR3: 000000024140a006 CR4: 00000000001606e0
Call Trace:
 iwl_pcie_rx_handle+0x3e4/0x990 [iwlwifi]
 iwl_pcie_irq_handler+0x58b/0xab0 [iwlwifi]
 ? irq_finalize_oneshot.part.46+0xe0/0xe0
 irq_thread_fn+0x1f/0x50
 irq_thread+0xe7/0x170
 ? irq_forced_thread_fn+0x70/0x70
 ? irq_thread_check_affinity+0xe0/0xe0
 kthread+0x112/0x130
 ? kthread_create_on_node+0x60/0x60
 ret_from_fork+0x35/0x40