Backtrace

WARNING: CPU: 0 PID: 3658 at kernel/sched/fair.c:401 enqueue_task_fair+0x26e/0x6b0
Modules linked in: rndis_host cdc_ether usbnet mii rfcomm xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nft_redir nft_objref nf_conntrack_tftp bridge stp llc xt_DSCP 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 iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle iptable_raw iptable_security ip_set nf_tables nfnetlink tun ip6_tables iptable_filter bnep sunrpc rmi_smbus rmi_core nvidia_drm(POE) nvidia_modeset(POE) iwlmvm nvidia_uvm(POE) vfat fat intel_rapl_msr mac80211 intel_rapl_common snd_ctl_led snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec_hdmi intel_tcc_cooling x86_pkg_temp_thermal intel_powerclamp coretemp uvcvideo snd_hda_intel libarc4 snd_intel_dspcfg snd_intel_sdw_acpi kvm_intel snd_hda_codec videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 iTCO_wdt videobuf2_common intel_pmc_bxt iwlwifi btusb btrtl snd_hda_core mei_wdt videodev
 mei_hdcp iTCO_vendor_support btbcm ee1004 btintel kvm snd_hwdep bluetooth irqbypass snd_seq rapl nvidia(POE) mc intel_cstate cfg80211 intel_uncore snd_seq_device ecdh_generic snd_pcm thinkpad_acpi ecc intel_wmi_thunderbolt platform_profile wmi_bmof mei_me i2c_i801 pcspkr snd_timer joydev ledtrig_audio mei snd intel_pch_thermal i2c_smbus soundcore rfkill zram ip_tables dm_crypt trusted asn1_encoder i915 rtsx_pci_sdmmc mmc_core i2c_algo_bit crct10dif_pclmul crc32_pclmul drm_kms_helper crc32c_intel cec ghash_clmulni_intel drm e1000e rtsx_pci serio_raw wmi video fuse
CPU: 0 PID: 3658 Comm: Chrome_ChildIOT Tainted: P           OE     5.13.19-100.fc33.x86_64 #1
Hardware name: LENOVO 20EQS3B30G/20EQS3B30G, BIOS N1EET86W (1.59 ) 08/28/2019
RIP: 0010:enqueue_task_fair+0x26e/0x6b0
Code: 60 09 00 00 0f 84 f8 fe ff ff 80 3d e6 60 df 01 00 0f 85 eb fe ff ff 48 c7 c7 20 99 5b a2 c6 05 d2 60 df 01 01 e8 10 0d a9 00 <0f> 0b e9 d1 fe ff ff 44 8b 85 80 01 00 00 45 85 c0 0f 85 e7 fe ff
RSP: 0018:ffffa368041c7c58 EFLAGS: 00010092
RAX: 000000000000002d RBX: 0000000000000000 RCX: ffff8a777f818a08
RDX: 00000000ffffffd8 RSI: 0000000000000027 RDI: ffff8a777f818a00
RBP: ffff8a777f8ead00 R08: 0000000000000000 R09: ffffa368041c7a90
R10: ffffa368041c7a88 R11: ffffffffa2d468c8 R12: 0000000000000000
R13: ffff8a777f8eac80 R14: 0000000000000049 R15: ffff8a777f8eac80
FS:  00007f547eec6640(0000) GS:ffff8a777f800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000021ce039c2480 CR3: 000000024061a002 CR4: 00000000003706f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ? psi_task_change+0x9b/0xe0
 ttwu_do_activate+0x75/0x180
 try_to_wake_up+0x19b/0x4e0
 ? ____sys_recvmsg+0xeb/0x170
 wake_up_q+0x5b/0xa0
 futex_wake+0x12b/0x150
 do_futex+0x7e1/0xb50
 ? do_epoll_wait+0xb6/0x730
 ? __seccomp_filter+0xcd/0x6d0
 __x64_sys_futex+0x71/0x190
 do_syscall_64+0x40/0x80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f54919b62d8
Code: 0f 05 48 3d 00 f0 ff ff 0f 87 a6 01 00 00 40 84 ed 74 23 45 89 e4 4b 8d 7c a0 28 45 31 d2 ba ff ff ff 7f b8 ca 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 71 01 00 00 48 83 c4 38 31 c0 5b 5d 41 5c
RSP: 002b:00007f547eec47a0 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 0000000000000081 RCX: 00007f54919b62d8
RDX: 000000007fffffff RSI: 0000000000000081 RDI: 00007f547dec3590
RBP: 0000000000000000 R08: 00007f547dec3568 R09: 00007f547dec3588
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000000000ca R14: 0000000000000001 R15: 00007f547dec3568