Backtrace

WARNING: CPU: 1 PID: 7572 at block/bfq-iosched.c:606 bfqq_request_over_limit+0x31f/0x380
Modules linked in: hidp 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 snd_hda_codec_hdmi snd_ctl_led snd_hda_codec_realtek iwlmvm snd_hda_codec_generic snd_hda_intel mac80211 snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec intel_tcc_cooling x86_pkg_temp_thermal intel_powerclamp btusb snd_hda_core coretemp snd_hwdep libarc4 kvm_intel snd_seq iTCO_wdt snd_seq_device btrtl intel_pmc_bxt uvcvideo kvm iTCO_vendor_support videobuf2_vmalloc btbcm snd_pcm ee1004 mei_pxp mei_wdt irqbypass mei_hdcp btintel dell_laptop videobuf2_memops ppdev iwlwifi intel_rapl_msr videobuf2_v4l2 snd_timer btmtk rapl dell_wmi dell_smm_hwmon iwlmei intel_cstate videobuf2_common snd ledtrig_audio processor_thermal_device_pci_legacy i2c_i801
 intel_uncore bluetooth dell_smbios processor_thermal_device dcdbas videodev cfg80211 pcspkr i2c_smbus soundcore intel_wmi_thunderbolt sparse_keymap joydev wmi_bmof dell_wmi_descriptor processor_thermal_rfim mc mei_me ecdh_generic processor_thermal_mbox mei processor_thermal_rapl intel_rapl_common parport_pc intel_pch_thermal intel_soc_dts_iosf parport dell_rbtn dell_smo8800 int3403_thermal int3400_thermal acpi_pad rfkill int340x_thermal_zone acpi_thermal_rel zram ip_tables i915 i2c_algo_bit drm_kms_helper cec rtsx_pci_sdmmc mmc_core ttm crct10dif_pclmul drm crc32_pclmul crc32c_intel e1000e ghash_clmulni_intel rtsx_pci serio_raw wmi video ipmi_devintf ipmi_msghandler fuse
CPU: 1 PID: 7572 Comm: ThreadPoolForeg Not tainted 5.17.4-200.fc35.x86_64 #1
Hardware name: Dell Inc. Latitude E5470/0476JC, BIOS 1.18.6 12/08/2017
RIP: 0010:bfqq_request_over_limit+0x31f/0x380
Code: 8b 7c 24 08 e8 52 77 bb ff 58 e8 1c 29 b2 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: 0000:ffffadf4004b7860 EFLAGS: 00010006
RAX: 0000000000000001 RBX: 0000000000000040 RCX: ffffadf4004b7888
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0b54bc41c30
RBP: ffffa0b684691680 R08: ffffa0b542cb78c0 R09: 0000000000000a00
R10: 0000000000003000 R11: ffffadf4004b79a0 R12: 0000000000000004
R13: 0000000000000000 R14: ffffa0b684691708 R15: 0000000000000001
FS:  00007f4ef0440640(0000) GS:ffffa0b685e40000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4ee53c5b5b CR3: 000000000170e001 CR4: 00000000003706e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ? btrfs_verify_level_key+0x9a/0xd0
 ? read_block_for_search+0xef/0x210
 bfq_limit_depth+0x125/0x1d0
 __blk_mq_alloc_requests+0x23b/0x2a0
 blk_mq_submit_bio+0x3da/0x640
 submit_bio_noacct+0x232/0x280
 btrfs_map_bio+0x17c/0x490
 btrfs_submit_data_bio+0x10a/0x1f0
 submit_one_bio+0x44/0x70
 extent_readahead+0x3e4/0x400
 read_pages+0x5f/0x280
 page_cache_ra_unbounded+0x173/0x1f0
 filemap_fault+0x572/0x860
 __do_fault+0x36/0x140
 __handle_mm_fault+0xd25/0x1460
 handle_mm_fault+0xb2/0x280
 do_user_addr_fault+0x1ce/0x690
 exc_page_fault+0x72/0x170
 ? asm_exc_page_fault+0x8/0x30
 asm_exc_page_fault+0x1e/0x30
RIP: 0033:0x7f4ee61c5351
Code: ff ff 80 38 00 74 23 bb 28 15 7d 5d 43 03 5c 2f 01 c1 c3 0f 49 8d 55 01 31 ff 4c 89 fe e8 a7 1b 00 00 39 d8 0f 85 26 01 00 00 <43> 0f be 04 2f 85 c0 75 44 4d 39 e7 0f 85 90 01 00 00 48 8b 45 c0
RSP: 002b:00007f4ef043e130 EFLAGS: 00010246
RAX: 00002d9e032e7b78 RBX: 0000000000000b3f RCX: 0000000000000b3f
RDX: 00007f4ee53c5021 RSI: 00002d9e00fa5bc0 RDI: 00007f4ef043e188
RBP: 00007f4ef043e1c0 R08: 00007f4ef043e140 R09: 00002d9e0122b000
R10: 000000000000003a R11: 00007f4ee5ec9851 R12: 00002d9e0122b000
R13: 0000000000000b3a R14: 00007f4ef043e188 R15: 00007f4ee53c5021
 </TASK>