Backtrace

WARNING: CPU: 1 PID: 1816 at kernel/sched/fair.c:401 enqueue_task_fair+0x26f/0x6a0
Modules linked in: uinput rfcomm snd_seq_dummy snd_hrtimer 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 sunrpc vfat fat snd_hda_codec_hdmi snd_hda_codec_realtek iwlmvm snd_hda_codec_generic ledtrig_audio snd_hda_intel mac80211 snd_intel_dspcfg intel_rapl_msr snd_intel_sdw_acpi intel_rapl_common snd_hda_codec snd_hda_core intel_tcc_cooling snd_hwdep x86_pkg_temp_thermal intel_powerclamp snd_seq libarc4 coretemp snd_seq_device iTCO_wdt intel_pmc_bxt kvm_intel uvcvideo ee1004 iTCO_vendor_support iwlwifi mei_hdcp
 snd_pcm videobuf2_vmalloc kvm videobuf2_memops btusb videobuf2_v4l2 videobuf2_common btrtl irqbypass btbcm btintel snd_timer rapl intel_cstate videodev i2c_i801 intel_uncore snd cfg80211 bluetooth pcspkr joydev soundcore i2c_smbus mc mei_me rfkill intel_pch_thermal mei acpi_pad zram ip_tables dm_crypt trusted asn1_encoder i915 i2c_algo_bit drm_kms_helper crct10dif_pclmul rtsx_pci_sdmmc crc32_pclmul cec mmc_core crc32c_intel nvme drm nvme_core r8169 ghash_clmulni_intel rtsx_pci serio_raw wmi video fuse
CPU: 1 PID: 1816 Comm: kworker/u16:14 Not tainted 5.13.4-200.fc34.x86_64 #1
Hardware name: Tuxedo N650DU                          /N650DU                          , BIOS 5.12 02/08/2017
Workqueue: kcryptd/253:0 kcryptd_crypt [dm_crypt]
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 88 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:ffffaf1c00e4fd00 EFLAGS: 00010086
RAX: 000000000000002d RBX: 0000000000000000 RCX: 0000000000000027
RDX: ffff914ae4258a08 RSI: 0000000000000001 RDI: ffff914ae4258a00
RBP: ffff914ae43ead00 R08: 0000000000000000 R09: ffffaf1c00e4fb38
R10: ffffaf1c00e4fb30 R11: ffffffff88d468c8 R12: 0000000000000000
R13: ffff914ae43eac80 R14: 0000000000000009 R15: ffff914ae43eac80
FS:  0000000000000000(0000) GS:ffff914ae4240000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdf88800000 CR3: 0000000114c10004 CR4: 00000000003706e0
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/0x4d0
 __queue_work+0x1d1/0x3e0
 queue_work_on+0x31/0x50
 btrfs_end_bio+0x87/0x160
 clone_endio+0x93/0x1e0
 process_one_work+0x1ec/0x380
 worker_thread+0x53/0x3e0
 ? process_one_work+0x380/0x380
 kthread+0x127/0x150
 ? set_kthread_struct+0x40/0x40
 ret_from_fork+0x22/0x30