Backtrace

WARNING: CPU: 3 PID: 7465 at kernel/sched/fair.c:3307 update_blocked_averages+0x6d4/0x730
Modules linked in: xt_state rfcomm 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 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 bnep tun sunrpc vfat fat btusb btrtl btbcm btintel bluetooth uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev mc ecdh_generic snd_ctl_led snd_soc_skl_hda_dsp snd_soc_intel_hda_dsp_common snd_soc_hdac_hdmi snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_soc_dmic 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 snd_soc_hdac_hda snd_hda_ext_core snd_soc_sst_ipc snd_soc_sst_dsp snd_soc_acpi_intel_match snd_soc_acpi snd_soc_core intel_tcc_cooling x86_pkg_temp_thermal intel_powerclamp coretemp snd_compress iwlmvm ac97_bus kvm_intel snd_pcm_dmaengine mac80211 kvm snd_hda_intel iTCO_wdt intel_pmc_bxt iTCO_vendor_support snd_intel_dspcfg mei_hdcp mei_wdt intel_rapl_msr snd_intel_sdw_acpi libarc4 irqbypass snd_hda_codec rapl intel_cstate snd_hda_core intel_uncore iwlwifi snd_hwdep snd_seq processor_thermal_device_pci_legacy pcspkr snd_seq_device think_lmi processor_thermal_device firmware_attributes_class processor_thermal_rfim i2c_i801 wmi_bmof intel_wmi_thunderbolt snd_pcm cfg80211 thinkpad_acpi mei_me processor_thermal_mbox i2c_smbus processor_thermal_rapl snd_timer platform_profile ucsi_acpi ledtrig_audio mei typec_ucsi intel_rapl_common joydev idma64 rfkill typec intel_soc_dts_iosf intel_pch_thermal
 snd soundcore int3400_thermal int3403_thermal int340x_thermal_zone acpi_thermal_rel acpi_tad acpi_pad zram ip_tables i915 hid_multitouch i2c_algo_bit ttm drm_kms_helper cec crct10dif_pclmul crc32_pclmul crc32c_intel e1000e nvme drm ghash_clmulni_intel serio_raw nvme_core wmi i2c_hid_acpi i2c_hid pinctrl_cannonlake video fuse
CPU: 3 PID: 7465 Comm: Chrome_ChildIOT Not tainted 5.14.15-100.fc33.x86_64 #1
Hardware name: LENOVO 20QDCTO1WW/20QDCTO1WW, BIOS N2HET54W (1.37 ) 08/03/2020
RIP: 0010:update_blocked_averages+0x6d4/0x730
Code: a0 42 5c b1 c6 05 07 8b df 01 01 e8 04 c4 aa 00 0f 0b e9 24 fa ff ff 48 c7 c7 88 46 5c b1 c6 05 e9 8a df 01 01 e8 ea c3 aa 00 <0f> 0b 41 8b 87 38 01 00 00 e9 08 fc ff ff 48 c7 c7 08 42 5c b1 c6
RSP: 0018:ffffbb0144953c10 EFLAGS: 00010082
RAX: 0000000000000048 RBX: 0000000000000000 RCX: ffff9b65ae8d8a08
RDX: 00000000ffffffd8 RSI: 0000000000000027 RDI: ffff9b65ae8d8a00
RBP: ffff9b65ae8eb740 R08: 0000000000000000 R09: ffffbb0144953a48
R10: ffffbb0144953a40 R11: ffffffffb1d47468 R12: ffff9b624564af40
R13: 0000000000000018 R14: ffff9b65ae8ec000 R15: ffff9b624564ae00
FS:  00007fe8081c8640(0000) GS:ffff9b65ae8c0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00003f7f04ef8000 CR3: 000000020f06c003 CR4: 00000000003706e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 newidle_balance+0x196/0x3d0
 pick_next_task_fair+0x39/0x3e0
 __schedule+0x16b/0x1500
 ? wake_up_q+0x4a/0x90
 ? futex_wake+0x12b/0x150
 schedule+0x44/0xa0
 schedule_hrtimeout_range_clock+0xf6/0x100
 ? do_futex+0x152/0xb50
 ? ep_done_scan+0xbd/0x100
 do_epoll_wait+0x55d/0x730
 ? finish_wait+0x80/0x80
 __x64_sys_epoll_wait+0x4e/0xd0
 ? syscall_trace_enter.constprop.0+0x99/0x1b0
 do_syscall_64+0x38/0x90
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fe81a26080e
Code: 10 89 7c 24 0c 89 4c 24 1c e8 fe 4a f8 ff 44 8b 54 24 1c 8b 54 24 18 41 89 c0 48 8b 74 24 10 8b 7c 24 0c b8 e8 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 32 44 89 c7 89 44 24 0c e8 4e 4b f8 ff 8b 44
RSP: 002b:00007fe8081c7460 EFLAGS: 00000293 ORIG_RAX: 00000000000000e8
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe81a26080e
RDX: 0000000000000020 RSI: 00003586000e1f80 RDI: 0000000000000003
RBP: 00007fe8081c74c0 R08: 0000000000000000 R09: aaaaaaaaaaaaaaaa
R10: 00000000ffffffff R11: 0000000000000293 R12: 00003586001b0700
R13: 00003586001bac00 R14: 00003586000e1f80 R15: 00003586001c2780