Backtrace

WARNING: CPU: 3 PID: 151 at drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c:4635 iwl_mvm_channel_switch_rx_beacon+0x116/0x140 [iwlmvm]
Modules linked in: uinput rfcomm snd_seq_dummy snd_hrtimer xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp ccm xt_CHECKSUM xt_MASQUERADE xt_comment 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 nfnetlink ip6table_filter ip6_tables iptable_filter cmac bnep sunrpc vfat fat squashfs loop btusb btrtl btbcm btintel bluetooth uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 ecdh_generic ecc videobuf2_common snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg soundwire_intel x86_pkg_temp_thermal intel_powerclamp soundwire_generic_allocation coretemp iwlmvm snd_soc_core kvm_intel snd_compress
 snd_pcm_dmaengine mac80211 soundwire_cadence snd_hda_codec kvm iTCO_wdt snd_hda_core intel_pmc_bxt ac97_bus libarc4 iTCO_vendor_support dell_laptop mei_wdt snd_hwdep mei_hdcp ee1004 intel_rapl_msr irqbypass snd_seq ledtrig_audio rapl dell_smm_hwmon snd_seq_device intel_cstate iwlwifi snd_pcm dell_wmi intel_hid intel_uncore dell_smbios dcdbas snd_timer cfg80211 pcspkr intel_wmi_thunderbolt sparse_keymap dell_wmi_descriptor snd wmi_bmof i2c_i801 processor_thermal_device i2c_smbus processor_thermal_rfim soundcore mei_me processor_thermal_mbox processor_thermal_rapl rfkill intel_rapl_common joydev mei idma64 intel_pch_thermal intel_soc_dts_iosf int3403_thermal int3400_thermal int3402_thermal acpi_thermal_rel int340x_thermal_zone acpi_pad zram ip_tables i915 nouveau rtsx_pci_sdmmc mmc_core hid_multitouch mxm_wmi drm_ttm_helper ttm crct10dif_pclmul i2c_algo_bit crc32_pclmul drm_kms_helper crc32c_intel nvme cec serio_raw ghash_clmulni_intel drm nvme_core rtsx_pci i2c_hid wmi video
 v4l2loopback(OE) videodev mc fuse
CPU: 3 PID: 151 Comm: kworker/u16:2 Tainted: G        W  OE     5.11.16-300.fc34.x86_64 #1
Hardware name: Dell Inc. XPS 15 9550/0Y9N5X, BIOS 1.14.0 02/13/2020
Workqueue: phy0 ieee80211_iface_work [mac80211]
RIP: 0010:iwl_mvm_channel_switch_rx_beacon+0x116/0x140 [iwlmvm]
Code: c1 a0 04 0b c1 be 02 00 00 00 e8 e5 ca dc ff 31 d2 b9 10 00 00 00 4c 89 ef 49 89 e0 be 04 03 00 00 e8 de a4 00 00 85 c0 74 ae <0f> 0b eb aa 48 89 ee e8 ae ee ff ff 31 f6 48 89 ef e8 04 05 e8 ff
RSP: 0018:ffffb314003cb6a0 EFLAGS: 00010282
RAX: 00000000fffffffb RBX: ffff91735a777828 RCX: 00000000000000be
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286
RBP: ffff91735ccf9f58 R08: 0000000000000000 R09: ffffffffafd8416c
R10: 0000000000000017 R11: 0000000000000043 R12: ffff91735ccf9f20
R13: ffff91735ccf9f28 R14: 0000066961b80fd4 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff9176edcc0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc9803d2668 CR3: 00000003d2a10003 CR4: 00000000003706e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ieee80211_sta_process_chanswitch+0x40a/0x760 [mac80211]
 ieee80211_rx_mgmt_beacon+0x46b/0x11a0 [mac80211]
 ? update_load_avg+0x7a/0x5c0
 ieee80211_sta_rx_queued_mgmt+0x72/0x6a0 [mac80211]
 ? __switch_to_asm+0x42/0x70
 ? update_load_avg+0x7a/0x5c0
 ? update_blocked_averages+0x239/0x640
 ? cpumask_next_and+0x1a/0x20
 ? update_sd_lb_stats.constprop.0+0x7ef/0x870
 ? find_busiest_group+0x30/0x2f0
 ? release_pages+0xd0/0x510
 ? sched_clock+0x5/0x10
 ? update_load_avg+0x7a/0x5c0
 ? update_blocked_averages+0x239/0x640
 ? kfree+0x3cd/0x400
 ? sched_clock+0x5/0x10
 ? sched_clock_cpu+0xc/0xa0
 ? update_load_avg+0x7a/0x5c0
 ? dequeue_entity+0xc3/0x460
 ? newidle_balance+0x26b/0x390
 ieee80211_iface_work+0x28a/0x390 [mac80211]
 process_one_work+0x1ec/0x380
 worker_thread+0x53/0x3e0
 ? process_one_work+0x380/0x380
 kthread+0x11b/0x140
 ? kthread_associate_blkcg+0xa0/0xa0
 ret_from_fork+0x22/0x30