Backtrace

WARNING: CPU: 1 PID: 34338 at block/bfq-iosched.c:606 bfqq_request_over_limit+0x31f/0x380
Modules linked in: uinput snd_seq_dummy snd_hrtimer ip6t_REJECT xt_multiport xt_cgroup xt_mark xt_owner 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 sunrpc snd_hda_codec_hdmi snd_ctl_led snd_hda_codec_idt snd_hda_codec_generic ledtrig_audio brcmfmac snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi uvcvideo snd_hda_codec brcmutil intel_rapl_msr videobuf2_vmalloc intel_rapl_common videobuf2_memops iTCO_wdt snd_hda_core videobuf2_v4l2 intel_pmc_bxt iTCO_vendor_support mei_hdcp mei_pxp videobuf2_common snd_hwdep
 cfg80211 x86_pkg_temp_thermal intel_powerclamp snd_seq videodev hp_wmi coretemp sparse_keymap snd_seq_device rapl intel_cstate snd_pcm platform_profile intel_uncore mc rfkill joydev wmi_bmof pcspkr snd_timer i2c_i801 snd i2c_smbus lpc_ich soundcore mei_me hp_accel mei lis3lv02d zram ip_tables amdgpu iommu_v2 gpu_sched i915 radeon rtsx_pci_sdmmc mmc_core crct10dif_pclmul crc32_pclmul i2c_algo_bit drm_ttm_helper crc32c_intel ttm drm_kms_helper cec ghash_clmulni_intel drm serio_raw rtsx_pci r8169 wmi video ipmi_devintf ipmi_msghandler fuse
CPU: 1 PID: 34338 Comm: ThreadPoolForeg Not tainted 5.17.4-100.fc34.x86_64 #1
Hardware name: Hewlett-Packard HP Pavilion dv7 Notebook PC/165A, BIOS F.1B 10/05/2011
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: 0018:ffffb7ab43597970 EFLAGS: 00010006
RAX: 0000000000000001 RBX: 0000000000000040 RCX: ffffb7ab43597998
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9d07c3d99c30
RBP: ffff9d06d04b4480 R08: ffff9d07c94085e8 R09: ffff9d07cf9cca68
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000006
R13: 0000000000000000 R14: ffff9d06d04b4508 R15: 0000000000000001
FS:  00007f1102f04640(0000) GS:ffff9d081ba40000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000009da00930000 CR3: 000000015658c005 CR4: 00000000000606e0
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
 btrfs_readpage+0x72/0x80
 prepare_pages+0x142/0x330
 btrfs_buffered_write+0x2b9/0x7b0
 ? resched_curr+0x20/0xb0
 ? check_preempt_curr+0x2f/0x70
 btrfs_file_write_iter+0x15e/0x530
 new_sync_write+0x10b/0x180
 vfs_write+0x209/0x2a0
 ksys_write+0x4f/0xc0
 do_syscall_64+0x3b/0x90
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f111ceff8af
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 69 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 bc fd ff ff 48
RSP: 002b:00007f1102f02d80 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f1102f02e00 RCX: 00007f111ceff8af
RDX: 0000000000000007 RSI: 00007f1102f02f09 RDI: 0000000000000073
RBP: 00007f1102f02e80 R08: 0000000000000000 R09: 0000000000000072
R10: 00007f1102f03030 R11: 0000000000000293 R12: 00007f1102f02f09
R13: 0000000000000007 R14: 0000000000000000 R15: 00007f1102f02f09
 </TASK>