Backtrace

WARNING: CPU: 3 PID: 3611 at block/bfq-iosched.c:602 bfqq_request_over_limit+0x120/0x390
Modules linked in: r820t rtl2832 i2c_mux dvb_usb_rtl28xxu dvb_usb_v2 dvb_core mc rfcomm snd_seq_dummy snd_hrtimer xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp bridge stp llc nls_utf8 cifs cifs_arc4 cifs_md4 dns_resolver fscache netfs 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 qrtr bnep sunrpc binfmt_misc vfat fat intel_rapl_msr intel_rapl_common intel_tcc_cooling x86_pkg_temp_thermal intel_powerclamp coretemp snd_hda_codec_realtek snd_hda_codec_hdmi kvm_intel snd_hda_codec_generic iTCO_wdt ledtrig_audio kvm intel_pmc_bxt irqbypass ee1004 mei_pxp mei_hdcp
 iTCO_vendor_support snd_hda_intel btusb snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec btrtl nvidia_drm(POE) btbcm rapl snd_hda_core btintel nvidia_modeset(POE) snd_hwdep snd_seq btmtk eeepc_wmi nvidia(POE) intel_cstate snd_seq_device asus_wmi intel_uncore snd_pcm bluetooth i2c_i801 sparse_keymap platform_profile wmi_bmof pcspkr i2c_smbus snd_timer mei_me ecdh_generic joydev snd drm_kms_helper rfkill mei cec soundcore acpi_pad drm zram ip_tables uas usb_storage mxm_wmi crct10dif_pclmul crc32_pclmul crc32c_intel nvme ghash_clmulni_intel r8169 nvme_core video wmi ipmi_devintf ipmi_msghandler fuse
CPU: 3 PID: 3611 Comm: ThreadPoolSingl Tainted: P           OE     5.17.5-200.fc35.x86_64 #1
Hardware name: System manufacturer System Product Name/Z170-K, BIOS 3805 05/16/2018
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:ffffa39383cc39e0 EFLAGS: 00010046
RAX: 0000000000000001 RBX: 0000000000000018 RCX: ffffa39383cc3a08
RDX: ffff9826b5434898 RSI: 0000000000000001 RDI: ffff9826476cec30
RBP: ffff9826436af3c0 R08: ffff982648843720 R09: ffff9826bc04fad0
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
R13: ffff9826476ce800 R14: ffff9826b5434898 R15: 0000000000000001
FS:  00007fb3069a5640(0000) GS:ffff982956cc0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000373201b75fc0 CR3: 00000001983c8005 CR4: 00000000003706e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ? __btrfs_map_block+0x1e8/0xb90
 ? btrfs_csum_one_bio+0x37a/0x460
 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
 ? filemap_read+0x297/0x2c0
 filemap_fdatawrite_wbc+0x63/0x90
 filemap_fdatawrite_range+0x46/0x50
 start_ordered_ops.constprop.0+0x38/0x80
 btrfs_sync_file+0x7a/0x4b0
 __x64_sys_fdatasync+0x46/0x80
 do_syscall_64+0x3b/0x90
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fb3210c237b
Code: 4b 00 00 00 0f 05 48 3d 00 f0 ff ff 77 41 c3 48 83 ec 18 89 7c 24 0c e8 e3 78 f5 ff 8b 7c 24 0c 41 89 c0 b8 4b 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 41 79 f5 ff 8b 44
RSP: 002b:00007fb3069a36f0 EFLAGS: 00000293 ORIG_RAX: 000000000000004b
RAX: ffffffffffffffda RBX: 0000373205e12d00 RCX: 00007fb3210c237b
RDX: 0000000000000002 RSI: 0000000000000002 RDI: 00000000000000f0
RBP: 00007fb3069a3740 R08: 0000000000000000 R09: 0000556a6533abd8
R10: 0000000000000c00 R11: 0000000000000293 R12: 0000373200edd800
R13: d763a120f905d5d9 R14: 0000000000000c00 R15: 0000000000001000
 </TASK>