Backtrace

WARNING: CPU: 1 PID: 21356 at drivers/net/wireless/intel/iwlwifi/mvm/scan.c:2798 iwl_mvm_rx_umac_scan_complete_notif+0x1c3/0x1e0 [iwlmvm]
Modules linked in: uinput rfcomm snd_seq_dummy snd_hrtimer xt_CHECKSUM xt_MASQUERADE xt_conntrack nf_nat_tftp nf_conntrack_tftp bridge stp llc ip6t_REJECT ipt_REJECT xt_multiport xt_cgroup xt_mark xt_owner 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 nft_chain_nat ip6table_mangle ip6table_raw ip6table_security iptable_mangle iptable_raw iptable_security ip6table_nat iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nf_tables nfnetlink ip6table_filter ip6_tables iptable_filter vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) bnep snd_soc_skl snd_soc_hdac_hda snd_hda_codec_hdmi snd_hda_ext_core snd_soc_sst_ipc snd_soc_sst_dsp snd_soc_acpi_intel_match snd_soc_acpi snd_soc_core snd_ctl_led uvcvideo snd_hda_codec_realtek snd_compress videobuf2_vmalloc snd_pcm_dmaengine videobuf2_memops snd_hda_codec_generic ac97_bus videobuf2_v4l2
 videobuf2_common snd_hda_intel sunrpc snd_intel_dspcfg snd_intel_sdw_acpi iTCO_wdt intel_pmc_bxt videodev mei_hdcp mei_wdt ee1004 iTCO_vendor_support intel_rapl_msr ppdev snd_hda_codec mc btusb snd_hda_core intel_tcc_cooling btrtl iwlmvm qcserial x86_pkg_temp_thermal intel_powerclamp coretemp btbcm snd_hwdep usb_wwan mac80211 btintel vfat kvm_intel fat bluetooth dell_laptop uas ledtrig_audio snd_seq dell_smm_hwmon usb_storage snd_seq_device snd_pcm kvm libarc4 irqbypass rapl intel_cstate intel_uncore iwlwifi dell_wmi snd_timer processor_thermal_device cfg80211 dell_smbios processor_thermal_rfim dcdbas wmi_bmof intel_wmi_thunderbolt processor_thermal_mbox pcspkr snd mei_me dell_wmi_descriptor sparse_keymap joydev processor_thermal_rapl i2c_i801 soundcore intel_rapl_common mei i2c_smbus intel_pch_thermal intel_soc_dts_iosf intel_xhci_usb_role_switch parport_pc parport dell_rbtn int3400_thermal rfkill int3403_thermal int340x_thermal_zone acpi_pad acpi_thermal_rel dell_smo8800
 binfmt_misc zram ip_tables i915 rtsx_pci_sdmmc mmc_core crct10dif_pclmul cdc_mbim i2c_algo_bit crc32_pclmul cdc_wdm crc32c_intel cdc_ncm drm_kms_helper cdc_ether usbnet e1000e ghash_clmulni_intel cec drm serio_raw mii rtsx_pci wmi video fuse
CPU: 1 PID: 21356 Comm: kworker/1:2 Tainted: G           OE     5.13.4-200.fc34.x86_64 #1
Hardware name: Dell Inc. Latitude E5570/0R3VX4, BIOS 1.16.5 07/11/2017
Workqueue: events iwl_mvm_async_handlers_wk [iwlmvm]
RIP: 0010:iwl_mvm_rx_umac_scan_complete_notif+0x1c3/0x1e0 [iwlmvm]
Code: b5 04 e9 cc fe ff ff 48 8b 7f 28 e8 67 15 ed ff 8b 8d 90 17 00 00 c7 85 b0 17 00 00 00 00 00 00 42 8b 44 b5 04 e9 a9 fe ff ff <0f> 0b 48 83 c4 10 5b 5d 41 5c 41 5d 41 5e c3 66 66 2e 0f 1f 84 00
RSP: 0018:ffffb0e805cdfe08 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff8e873d4c4000 RCX: 0000000000000001
RDX: 0000000000000001 RSI: ffff8e85c5f29910 RDI: ffff8e851c5c1f48
RBP: ffff8e851c5c1f78 R08: ffff8e851c5c1f88 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: ffff8e851c5c1f48 R14: 0000000000000604 R15: ffff8e85c5f29900
FS:  0000000000000000(0000) GS:ffff8e8741c80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8bfec7ca70 CR3: 0000000294c10005 CR4: 00000000003706e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 iwl_mvm_async_handlers_wk+0xb3/0x120 [iwlmvm]
 process_one_work+0x1ec/0x380
 worker_thread+0x53/0x3e0
 ? process_one_work+0x380/0x380
 kthread+0x127/0x150
 ? set_kthread_struct+0x40/0x40
 ret_from_fork+0x22/0x30