Backtrace

WARNING: CPU: 3 PID: 1681248 at kernel/sched/fair.c:401 enqueue_task_fair+0x26f/0x6a0
Modules linked in: tun ipheth apple_mfi_fastcharge xt_statistic ip_vs_sh ip_vs_wrr ip_vs_rr ip_vs xt_comment xt_mark overlay xt_nat veth uinput 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 nfnetlink ip6table_filter ip6_tables iptable_filter vboxnetadp(OE) vboxnetflt(OE) snd_ctl_led snd_soc_skl_hda_dsp snd_soc_hdac_hdmi vboxdrv(OE) bnep 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 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 sunrpc intel_tcc_cooling x86_pkg_temp_thermal intel_powerclamp snd_soc_core coretemp snd_compress snd_pcm_dmaengine ac97_bus kvm_intel snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec iwlmvm kvm snd_hda_core snd_hwdep mac80211 iTCO_wdt intel_pmc_bxt irqbypass snd_seq iTCO_vendor_support uvcvideo mei_hdcp snd_seq_device rapl intel_rapl_msr videobuf2_vmalloc mei_wdt intel_cstate libarc4 videobuf2_memops intel_uncore squashfs snd_pcm vfat videobuf2_v4l2 fat pcspkr btusb i2c_i801 iwlwifi intel_wmi_thunderbolt wmi_bmof snd_timer loop videobuf2_common i2c_smbus btrtl btbcm thunderbolt mei_me btintel videodev processor_thermal_device mei bluetooth cfg80211 mc thinkpad_acpi processor_thermal_rfim processor_thermal_mbox ucsi_acpi joydev
 processor_thermal_rapl typec_ucsi platform_profile intel_rapl_common ledtrig_audio idma64 intel_pch_thermal typec intel_soc_dts_iosf snd soundcore int3403_thermal rfkill int340x_thermal_zone int3400_thermal acpi_thermal_rel acpi_tad acpi_pad zram ip_tables i915 hid_multitouch i2c_algo_bit drm_kms_helper crct10dif_pclmul cec crc32_pclmul crc32c_intel drm nvme ghash_clmulni_intel e1000e serio_raw nvme_core i2c_hid_acpi wmi i2c_hid video pinctrl_cannonlake fuse
CPU: 3 PID: 1681248 Comm: WebRTC_Signalin Tainted: G           OE     5.13.4-200.fc34.x86_64 #1
Hardware name: LENOVO 20QES2P400/20QES2P400, BIOS N2HET42W (1.25 ) 11/26/2019
RIP: 0010:enqueue_task_fair+0x26f/0x6a0
Code: 60 09 00 00 0f 84 f8 fe ff ff 80 3d 25 79 df 01 00 0f 85 eb fe ff ff 48 c7 c7 00 9f 5b 92 c6 05 11 79 df 01 01 e8 0b e9 a8 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:ffffa44007be7c68 EFLAGS: 00010096
RAX: 000000000000002d RBX: 0000000000000000 RCX: 0000000000000027
RDX: ffff8bed6c4d8a08 RSI: 0000000000000001 RDI: ffff8bed6c4d8a00
RBP: ffff8bed6c5aad00 R08: 0000000000000000 R09: ffffa44007be7aa0
R10: ffffa44007be7a98 R11: ffffffff92d468c8 R12: 0000000000000000
R13: ffff8bed6c5aac80 R14: 0000000000000049 R15: ffff8bed6c5aac80
FS:  00007f7b7f195640(0000) GS:ffff8bed6c4c0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000239007d8fc50 CR3: 00000001702e4004 CR4: 00000000003706e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ? psi_task_change+0x9b/0xe0
 ttwu_do_activate+0x72/0x180
 try_to_wake_up+0x19b/0x4d0
 wake_up_q+0x5b/0xa0
 futex_wake+0x12b/0x150
 do_futex+0x1b5/0xb00
 ? trigger_load_balance+0x60/0x2e0
 ? scheduler_tick+0xbe/0x230
 ? update_process_times+0xb0/0xc0
 ? __seccomp_filter+0xcf/0x6b0
 __x64_sys_futex+0x63/0x1a0
 do_syscall_64+0x3d/0x80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f7b9b0f5e20
Code: 0f 05 48 3d 00 f0 ff ff 0f 87 96 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 61 01 00 00 48 83 c4 38 31 c0 5b 5d 41 5c
RSP: 002b:00007f7b7f1937c0 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 0000000000000081 RCX: 00007f7b9b0f5e20
RDX: 000000007fffffff RSI: 0000000000000081 RDI: 00007f7b7e9934f8
RBP: 0000000000000000 R08: 00007f7b7e9934d0 R09: 00007f7b7e9934f0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000000000ca R14: 0000000000000881 R15: 00007f7b7e9934d0