Backtrace

WARNING: CPU: 3 PID: 4202 at block/bfq-iosched.c:606 bfqq_request_over_limit+0x320/0x390
Modules linked in: uinput rfcomm snd_seq_dummy snd_hrtimer 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 nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nf_tables nfnetlink qrtr bnep sunrpc vfat fat snd_hda_codec_hdmi iwlmvm snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio mac80211 snd_hda_intel libarc4 intel_rapl_msr intel_rapl_common snd_intel_dspcfg snd_intel_sdw_acpi intel_tcc_cooling x86_pkg_temp_thermal snd_hda_codec btusb btrtl btbcm btintel iwlwifi snd_hda_core snd_hwdep intel_powerclamp btmtk coretemp snd_seq iwlmei snd_seq_device snd_pcm kvm_intel snd_timer bluetooth cfg80211 snd kvm at24 ecdh_generic soundcore irqbypass rfkill rapl intel_cstate iTCO_wdt intel_pmc_bxt iTCO_vendor_support joydev intel_uncore mei_pxp i2c_i801 wmi_bmof pcspkr i2c_smbus mei_hdcp mei_me mei intel_pch_thermal acpi_pad zram ip_tables
 hid_logitech_hidpp ums_realtek uas usb_storage hid_logitech_dj i915 i2c_algo_bit drm_kms_helper cec ttm crct10dif_pclmul crc32_pclmul crc32c_intel drm ghash_clmulni_intel serio_raw wmi video ipmi_devintf ipmi_msghandler fuse
CPU: 3 PID: 4202 Comm: kworker/u8:8 Tainted: G          I       5.17.5-200.fc35.x86_64 #1
Hardware name: Acer Aspire TC-710/Aspire TC-710, BIOS R01-A2                  12/31/2015
Workqueue: btrfs-flush_delalloc btrfs_work_helper
RIP: 0010:bfqq_request_over_limit+0x320/0x390
Code: 8b 7c 24 08 e8 e1 27 bb ff 58 e8 7b ca b1 ff 48 8d 5c 24 28 e9 ca fe ff ff 44 8b 6c 24 24 41 39 f5 0f 84 28 fe ff ff 41 89 f5 <0f> 0b e9 08 fe ff ff 4c 8d a4 24 a8 00 00 00 44 89 c1 be 10 00 00
RSP: 0018:ffffba9e01ccf970 EFLAGS: 00010002
RAX: 0000000000000001 RBX: 0000000000000018 RCX: ffffba9e01ccf998
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9b13c8056430
RBP: ffff9b141f670900 R08: ffff9b13c7a86858 R09: ffff9b13de6264d0
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000002
R13: 0000000000000000 R14: ffff9b141f670988 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff9b1724380000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7055a1b4d8 CR3: 00000003c0e10006 CR4: 00000000003706e0
Call Trace:
 <TASK>
 ? __generic_file_fsync+0x72/0xb0
 ? blk_rq_merge_ok+0x95/0x120
 bfq_limit_depth+0x126/0x1d0
 __blk_mq_alloc_requests+0x23c/0x2a0
 blk_mq_submit_bio+0x3db/0x640
 submit_bio_noacct+0x235/0x280
 btrfs_map_bio+0x17c/0x490
 btrfs_submit_data_bio+0x10a/0x1f0
 submit_one_bio+0x44/0x70
 extent_writepages+0x9b/0x120
 do_writepages+0xbf/0x1b0
 ? _raw_spin_unlock+0x16/0x30
 ? finish_task_switch.isra.0+0xc1/0x2f0
 ? __switch_to+0x114/0x440
 filemap_fdatawrite_wbc+0x63/0x90
 filemap_fdatawrite_range+0x46/0x50
 btrfs_start_ordered_extent+0xee/0x100
 ? do_wait_intr_irq+0xa0/0xa0
 ? preempt_count_add+0x6a/0xa0
 btrfs_run_ordered_extent_work+0x1a/0x30
 btrfs_work_helper+0xe4/0x360
 ? preempt_count_add+0x6a/0xa0
 process_one_work+0x1e5/0x3b0
 ? rescuer_thread+0x370/0x370
 worker_thread+0x50/0x3a0
 ? rescuer_thread+0x370/0x370
 kthread+0xe8/0x110
 ? kthread_complete_and_exit+0x20/0x20
 ret_from_fork+0x22/0x30
 </TASK>