Backtrace

WARNING: CPU: 0 PID: 1544 at drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c:772 iwl_mvm_rx_queue_notif+0x20b/0x250 [iwlmvm]
Modules linked in: tcp_diag inet_diag xt_nat veth ppp_deflate bsd_comp ppp_async ppp_generic slhc cdc_ether nf_conntrack_netlink xt_addrtype br_netfilter overlay binfmt_misc ccm xt_CHECKSUM xt_MASQUERADE nf_nat_tftp nf_conntrack_tftp tun bridge stp llc nf_conntrack_netbios_ns nf_conntrack_broadcast xt_CT ip6t_REJECT typec_displayport 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 ip_set nfnetlink ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) bnep sunrpc vfat fat squashfs loop snd_hda_codec_hdmi dell_rbtn snd_sof_pci snd_sof_intel_byt snd_sof_intel_ipc snd_sof_intel_hda_common snd_soc_hdac_hda snd_sof_xtensa_dsp snd_sof_intel_hda snd_sof snd_soc_skl snd_soc_sst_ipc snd_soc_sst_dsp snd_hda_ext_core
 snd_soc_acpi_intel_match snd_soc_acpi snd_soc_core snd_hda_codec_realtek snd_hda_codec_generic snd_compress ac97_bus snd_pcm_dmaengine snd_hda_intel x86_pkg_temp_thermal intel_powerclamp coretemp snd_intel_dspcfg iwlmvm dell_laptop iTCO_wdt kvm_intel snd_hda_codec intel_pmc_bxt ledtrig_audio snd_usb_audio mac80211 ee1004 iTCO_vendor_support kvm intel_rapl_msr snd_hda_core snd_usbmidi_lib dell_smm_hwmon mei_hdcp btusb mei_wdt btrtl btbcm libarc4 irqbypass uvcvideo btintel snd_rawmidi snd_hwdep rapl videobuf2_vmalloc snd_seq videobuf2_memops snd_seq_device bluetooth intel_cstate dell_wmi iwlwifi videobuf2_v4l2 snd_pcm intel_uncore dell_smbios videobuf2_common dcdbas snd_timer pcspkr cfg80211 dell_wmi_descriptor intel_wmi_thunderbolt wmi_bmof videodev snd i2c_i801 ecdh_generic soundcore i2c_smbus mc cdc_acm thunderbolt rfkill ecc mei_me ucsi_acpi typec_ucsi processor_thermal_device intel_rapl_common mei joydev idma64 intel_soc_dts_iosf intel_pch_thermal typec int3403_thermal
 int340x_thermal_zone dell_smo8800 int3400_thermal intel_hid sparse_keymap acpi_pad acpi_thermal_rel ip_tables dm_crypt hid_logitech_hidpp hid_logitech_dj hid_multitouch i915 rtsx_pci_sdmmc i2c_algo_bit drm_kms_helper mmc_core crct10dif_pclmul crc32_pclmul crc32c_intel cec nvme e1000e ghash_clmulni_intel drm nvme_core serio_raw r8152 cdc_mbim cdc_wdm rtsx_pci cdc_ncm usbnet mii wmi i2c_hid pinctrl_cannonlake video pinctrl_intel fuse
CPU: 0 PID: 1544 Comm: irq/166-iwlwifi Tainted: G        W  OE     5.8.18-100.fc31.x86_64 #1
Hardware name: Dell Inc. Latitude 5501/0Y8H01, BIOS 1.6.1 11/14/2019
RIP: 0010:iwl_mvm_rx_queue_notif+0x20b/0x250 [iwlmvm]
Code: 8f 5e f7 4b 8d 7c 2c 10 e8 92 6b c0 f6 58 0f b7 53 0e e9 30 ff ff ff 48 c7 c7 48 92 59 c1 c6 05 6d ea 04 00 01 e8 97 9a b7 f6 <0f> 0b e9 45 fe ff ff 80 3d 5b ea 04 00 00 0f 85 09 ff ff ff 0f b6
RSP: 0018:ffffb28e008f7da0 EFLAGS: 00010286
RAX: 0000000000000026 RBX: ffff9e77cf5a8000 RCX: 0000000000000027
RDX: 0000000000000027 RSI: 0000000000000086 RDI: ffff9e7e1c218d08
RBP: ffff9e7dd29d9ea8 R08: ffff9e7e1c218d00 R09: ffffffffba3eac04
R10: 0000000000000e62 R11: 00000000000370a8 R12: 0000000000000000
R13: ffffb28e008f7e38 R14: ffff9e7e0b1cd100 R15: ffff9e7e117c0028
FS:  0000000000000000(0000) GS:ffff9e7e1c200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd0c404ddf0 CR3: 0000000156a0a002 CR4: 00000000003606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 iwl_pcie_rx_handle+0x24f/0x9d0 [iwlwifi]
 ? irq_finalize_oneshot.part.0+0xf0/0xf0
 iwl_pcie_irq_rx_msix_handler+0x45/0x80 [iwlwifi]
 irq_thread_fn+0x20/0x60
 irq_thread+0xcc/0x150
 ? irq_forced_thread_fn+0x80/0x80
 ? irq_thread_check_affinity+0xc0/0xc0
 kthread+0xfe/0x140
 ? kthread_park+0x90/0x90
 ret_from_fork+0x1f/0x30