Backtrace

WARNING: CPU: 1 PID: 17830 at block/bfq-iosched.c:602 bfqq_request_over_limit+0x120/0x390
Modules linked in: ntfs3 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 nf_tables ebtable_nat ebtable_broute 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 nfnetlink ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter qrtr bnep sunrpc vfat fat 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 snd_soc_core snd_hda_codec_hdmi intel_rapl_msr snd_compress ee1004 snd_hda_codec_realtek mei_pxp snd_hda_codec_generic iwlmvm mei_hdcp ledtrig_audio ac97_bus snd_pcm_dmaengine iTCO_wdt intel_pmc_bxt iTCO_vendor_support
 intel_rapl_common intel_tcc_cooling snd_hda_intel mac80211 snd_intel_dspcfg x86_pkg_temp_thermal intel_powerclamp snd_intel_sdw_acpi coretemp snd_hda_codec kvm_intel libarc4 kvm btusb btrtl snd_hda_core iwlwifi snd_hwdep btbcm irqbypass rapl snd_seq btintel intel_cstate snd_seq_device intel_uncore snd_pcm iwlmei btmtk bluetooth cfg80211 snd_timer joydev snd i2c_i801 ecdh_generic soundcore rfkill pcspkr mei_me i2c_smbus mei idma64 intel_pch_thermal intel_xhci_usb_role_switch ir_rc6_decoder rc_rc6_mce ite_cir acpi_pad zram ip_tables i915 i2c_algo_bit drm_kms_helper cec sdhci_pci ttm crct10dif_pclmul crc32_pclmul crc32c_intel cqhci ghash_clmulni_intel sdhci drm e1000e mmc_core uas usb_storage video pinctrl_sunrisepoint fuse ipmi_devintf ipmi_msghandler
CPU: 1 PID: 17830 Comm: kworker/u8:1 Tainted: G          I       5.17.5-200.fc35.x86_64 #1
Hardware name:  /NUC6i5SYB, BIOS SYSKLi35.86A.0042.2016.0409.1246 04/09/2016
Workqueue: writeback wb_workfn (flush-253:2)
RIP: 0010:bfqq_request_over_limit+0x120/0x390
Code: c1 49 8b 56 60 48 83 c0 01 48 85 d2 0f 84 07 02 00 00 49 89 d6 45 0f b6 7e 18 89 c6 45 84 ff 0f 84 b6 00 00 00 41 39 c4 7f ce <0f> 0b 44 8d 68 ff 41 39 c4 0f 85 f1 01 00 00 41 83 fd ff 0f 84 98
RSP: 0018:ffffb06e4155f7d0 EFLAGS: 00010046
RAX: 0000000000000002 RBX: 0000000000000018 RCX: ffffb06e4155f7f8
RDX: ffff9643849a8098 RSI: 0000000000000002 RDI: ffff96438c6e2430
RBP: ffff9644427e0240 R08: ffff964387e6c210 R09: 0000000000000a00
R10: 0000000000001000 R11: 0000000000000801 R12: 0000000000000002
R13: ffff96438c6e2000 R14: ffff9643849a8098 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff9644e6c80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcb9982b948 CR3: 0000000102ee0004 CR4: 00000000003706e0
Call Trace:
 <TASK>
 ? bio_associate_blkg_from_css+0x1b7/0x300
 ? kmem_cache_alloc+0x16c/0x2d0
 bfq_limit_depth+0x126/0x1d0
 __blk_mq_alloc_requests+0x23c/0x2a0
 blk_mq_submit_bio+0x3db/0x640
 submit_bio_noacct+0xbd/0x280
 ext4_io_submit+0x48/0x60
 ext4_writepages+0x249/0x1050
 ? cpuacct_charge+0x17/0x60
 ? check_preempt_wakeup+0x125/0x2a0
 do_writepages+0xbf/0x1b0
 ? update_load_avg+0x7e/0x720
 ? update_load_avg+0x7e/0x720
 ? dequeue_entity+0xe8/0x410
 __writeback_single_inode+0x41/0x340
 writeback_sb_inodes+0x1d5/0x450
 wb_writeback+0xa0/0x2a0
 wb_workfn+0xc5/0x4e0
 ? check_preempt_curr+0x57/0x70
 ? ttwu_do_wakeup+0x17/0x170
 ? _raw_spin_unlock_irqrestore+0x25/0x40
 ? try_to_wake_up+0x84/0x560
 process_one_work+0x1e5/0x3b0
 worker_thread+0x50/0x3a0
 ? rescuer_thread+0x370/0x370
 kthread+0xe8/0x110
 ? kthread_complete_and_exit+0x20/0x20
 ret_from_fork+0x22/0x30
 </TASK>