Backtrace

WARNING: CPU: 3 PID: 81564 at net/mac80211/scan.c:422 __ieee80211_scan_completed+0x316/0x330 [mac80211]
Modules linked in: ppp_deflate bsd_comp ppp_async ppp_generic slhc nf_conntrack_netlink rfcomm snd_seq_dummy snd_hrtimer xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp xt_addrtype br_netfilter 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 nft_chain_nat ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle iptable_raw iptable_security ip_set nf_tables overlay nfnetlink ip6table_filter ip6_tables iptable_filter ppdev parport_pc parport vmw_vsock_vmci_transport vsock vmw_vmci bnep sunrpc vfat fat squashfs loop snd_sof_pci_intel_cnl snd_sof_intel_hda_common soundwire_intel soundwire_generic_allocation soundwire_cadence snd_sof_intel_hda snd_sof_pci snd_sof_xtensa_dsp snd_sof soundwire_bus snd_soc_skl dell_rbtn 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_ctl_led snd_soc_acpi snd_soc_core mei_hdcp ee1004 iTCO_wdt snd_hda_codec_realtek intel_pmc_bxt intel_tcc_cooling x86_pkg_temp_thermal snd_hda_codec_generic snd_compress iTCO_vendor_support ac97_bus intel_powerclamp snd_pcm_dmaengine snd_hda_intel coretemp intel_rapl_msr snd_intel_dspcfg snd_intel_sdw_acpi iwlmvm kvm_intel snd_hda_codec kvm mac80211 dell_laptop snd_hda_core irqbypass snd_hwdep rapl dell_smm_hwmon libarc4 intel_cstate snd_seq dell_wmi intel_uncore snd_seq_device ledtrig_audio snd_pcm uvcvideo iwlwifi dell_smbios btusb pcspkr dcdbas btrtl videobuf2_vmalloc snd_timer videobuf2_memops btbcm dell_wmi_sysman videobuf2_v4l2 snd btintel dell_wmi_descriptor firmware_attributes_class videobuf2_common mei_me intel_wmi_thunderbolt i2c_i801 wmi_bmof cfg80211 videodev i2c_smbus soundcore bluetooth mei mc ecdh_generic processor_thermal_device_pci_legacy joydev idma64
 processor_thermal_device ucsi_acpi rfkill processor_thermal_rfim typec_ucsi processor_thermal_mbox processor_thermal_rapl intel_rapl_common intel_soc_dts_iosf typec intel_pch_thermal int3403_thermal int340x_thermal_zone dell_smo8800 acpi_pad int3400_thermal intel_hid acpi_thermal_rel sparse_keymap zram ip_tables dm_crypt trusted asn1_encoder hid_logitech_hidpp hid_logitech_dj i915 i2c_algo_bit hid_multitouch ttm rtsx_pci_sdmmc mmc_core drm_kms_helper crct10dif_pclmul crc32_pclmul crc32c_intel nvme e1000e cec nvme_core ghash_clmulni_intel serio_raw drm rtsx_pci wmi i2c_hid_acpi i2c_hid video pinctrl_cannonlake fuse
CPU: 3 PID: 81564 Comm: kworker/u16:4 Not tainted 5.14.9-200.fc34.x86_64 #1
Hardware name: Dell Inc. Latitude 5410/06KF2W, BIOS 1.7.0 08/02/2021
Workqueue: phy0 ieee80211_scan_work [mac80211]
RIP: 0010:__ieee80211_scan_completed+0x316/0x330 [mac80211]
Code: 0f a3 05 dd e5 1a c9 0f 83 e4 fe ff ff 48 8b 05 90 5d 0d 00 48 85 c0 74 0c 48 8b 78 08 48 89 ee e8 ef 69 03 00 e9 c7 fe ff ff <0f> 0b 5b 5d 41 5c 41 5d 41 5e c3 66 66 2e 0f 1f 84 00 00 00 00 00
RSP: 0018:ffffb78f82437e08 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff98f180051020
RDX: ffff98f184d1d080 RSI: 0000000000000001 RDI: ffff98f18c6a0800
RBP: ffff98f18c6a0800 R08: ffff98f180051020 R09: ffff98f34db90aec
R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000000 R15: ffff98f18c6a0800
FS:  0000000000000000(0000) GS:ffff98f4ef6c0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f568c7fead0 CR3: 0000000321c10006 CR4: 00000000003706e0
Call Trace:
 ieee80211_scan_work+0x106/0x510 [mac80211]
 ? ktime_get_mono_fast_ns+0x4b/0x90
 process_one_work+0x1e9/0x390
 worker_thread+0x53/0x3e0
 ? process_one_work+0x390/0x390
 kthread+0x124/0x150
 ? set_kthread_struct+0x40/0x40
 ret_from_fork+0x1f/0x30