Backtrace

WARNING: CPU: 7 PID: 22356 at kernel/sched/fair.c:401 enqueue_task_fair+0x26f/0x6a0
Modules linked in: ipt_REJECT xt_statistic ip_vs_sh ip_vs_wrr ip_vs_rr ip_vs xt_comment xt_mark uinput rfcomm snd_seq_dummy snd_hrtimer xt_nat veth xt_conntrack xt_MASQUERADE nf_conntrack_netlink 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 overlay ip_set nf_tables nfnetlink ip6table_filter ip6_tables iptable_filter rmi_smbus rmi_core bnep snd_soc_skl intel_rapl_msr snd_soc_hdac_hda intel_rapl_common snd_hda_ext_core snd_soc_sst_ipc snd_soc_sst_dsp snd_soc_acpi_intel_match snd_hda_codec_hdmi snd_soc_acpi intel_tcc_cooling x86_pkg_temp_thermal snd_soc_core snd_ctl_led intel_powerclamp coretemp snd_compress snd_hda_codec_conexant
 snd_hda_codec_generic snd_pcm_dmaengine sunrpc iwlmvm kvm_intel iTCO_wdt ac97_bus snd_hda_intel intel_pmc_bxt snd_intel_dspcfg mac80211 ee1004 iTCO_vendor_support mei_hdcp kvm vfat libarc4 fat snd_intel_sdw_acpi irqbypass snd_hda_codec rapl intel_cstate iwlwifi intel_uncore snd_hda_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_hwdep snd_seq btusb joydev pcspkr videobuf2_common snd_seq_device btrtl i2c_i801 btbcm wmi_bmof intel_wmi_thunderbolt cfg80211 snd_pcm i2c_smbus thinkpad_acpi videodev btintel snd_timer mei_me platform_profile mc bluetooth ledtrig_audio mei snd ucsi_acpi typec_ucsi soundcore intel_pch_thermal typec intel_xhci_usb_role_switch rfkill acpi_pad zram ip_tables amdgpu i915 drm_ttm_helper ttm iommu_v2 gpu_sched crct10dif_pclmul i2c_algo_bit crc32_pclmul drm_kms_helper crc32c_intel sdhci_pci cec cqhci sdhci ghash_clmulni_intel drm mmc_core nvme serio_raw nvme_core r8169 wmi video fuse
CPU: 7 PID: 22356 Comm: iptables Not tainted 5.13.5-200.fc34.x86_64 #1
Hardware name: LENOVO 20KNA00QCD/20KNA00QCD, BIOS R0PET63W (1.40 ) 01/03/2020
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 82 c6 05 11 79 df 01 01 e8 fc e8 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: 0000:ffffa9cf4aa77da0 EFLAGS: 00010086
RAX: 000000000000002d RBX: 0000000000000000 RCX: 0000000000000027
RDX: ffff8fa1ff5d8a08 RSI: 0000000000000001 RDI: ffff8fa1ff5d8a00
RBP: ffff8fa1ff4aad00 R08: 0000000000000000 R09: ffffa9cf4aa77bd8
R10: ffffa9cf4aa77bd0 R11: ffffffff82d468c8 R12: 0000000000000000
R13: ffff8fa1ff4aac80 R14: 0000000000000009 R15: ffff8fa1ff4aac80
FS:  00007f5f64e20500(0000) GS:ffff8fa1ff5c0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5f64dd906b CR3: 00000002d9a26001 CR4: 00000000003706e0
Call Trace:
 ? psi_task_change+0x9b/0xe0
 ttwu_do_activate+0x75/0x180
 try_to_wake_up+0x19b/0x4d0
 swake_up_one+0x2e/0x60
 rcu_core+0x25f/0x2e0
 ? sched_clock_cpu+0xc/0xa0
 __do_softirq+0xd0/0x28f
 __irq_exit_rcu+0xcc/0x100
 sysvec_apic_timer_interrupt+0x3c/0x90
 ? asm_sysvec_apic_timer_interrupt+0xa/0x20
 asm_sysvec_apic_timer_interrupt+0x12/0x20
RIP: 0033:0x7f5f651abfb4
Code: 00 00 00 0f 1f 00 41 54 55 53 48 89 fb 48 8b bf 48 03 00 00 48 8b b3 50 03 00 00 48 29 fe e8 d3 37 00 00 48 8b ab f8 03 00 00 <48> 85 ed 74 4f 8b 5d 08 83 eb 01 78 28 4c 63 e3 49 c1 e4 03 0f 1f
RSP: 002b:00007fff4b0b6a40 EFLAGS: 00000217
RAX: 0000000000000000 RBX: 000055f4641cc410 RCX: 00007f5f651af787
RDX: 0000000000000002 RSI: 00000000000040e8 RDI: 00007f5f64dd7000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000206 R12: 00007fff4b0b6b33
R13: 00007fff4b0b6af8 R14: 00007f5f651bd060 R15: 000055f4641cc410