Backtrace

stack segment: 0000 [#1] SMP NOPTI
CPU: 0 PID: 4418 Comm: kworker/u8:3 Not tainted 5.14.18-100.fc33.x86_64 #1
Hardware name: LENOVO 81WE/LNVNB161216, BIOS EMCN37WW 06/24/2020
Workqueue: writeback wb_workfn (flush-253:2)
RIP: 0010:ext4_mb_use_preallocated.constprop.0+0x4a/0x260
Code: 48 8b 47 08 4c 8b 2f 4c 8b b8 98 03 00 00 49 8b ad 78 02 00 00 49 81 c5 78 02 00 00 4c 39 ed 74 6d 41 bc ff ff ff ff 8b 73 10 <8b> 45 48 39 c6 72 54 41 8b 4f 54 8b 55 4c d3 e2 01 d0 39 c6 73 45
RSP: 0000:ffffb6dd4144f798 EFLAGS: 00010212
RAX: 000000002267510c RBX: ffff9ac1c73fe240 RCX: 0000000000000000
RDX: 0000000000002460 RSI: 0000000000000000 RDI: ffff9ac1c73fe240
RBP: aeb0487b851484bb R08: ffff9ac1c7b09000 R09: 0000000000008000
R10: ffffffffffffffff R11: ffffffffffffffc0 R12: 00000000ffffffff
R13: ffff9ac34c9b03b8 R14: ffff9ac1c73fe240 R15: ffff9ac1c7b09000
FS:  0000000000000000(0000) GS:ffff9ac352c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f149c7fd000 CR3: 0000000146d40005 CR4: 0000000000770ef0
PKRU: 55555554
Call Trace:
 ? ext4_mb_initialize_context+0x74/0x190
 ext4_mb_new_blocks+0x41b/0xe70
 ? ext4_find_extent+0x3ef/0x450
 ? submit_bio_checks+0x19b/0x560
 ? bio_associate_blkg_from_css+0x1ea/0x320
 ext4_ext_map_blocks+0x868/0x1840
 ? release_pages+0xe0/0x520
 ? find_get_pages_range_tag+0x150/0x220
 ext4_map_blocks+0x17e/0x560
 ext4_writepages+0x705/0xf90
 ? cpumask_next_and+0x20/0x30
 do_writepages+0x25/0xa0
 __writeback_single_inode+0x39/0x280
 writeback_sb_inodes+0x1d8/0x440
 __writeback_inodes_wb+0x4c/0xe0
 wb_writeback+0x1c8/0x270
 wb_workfn+0x26e/0x4a0
 ? __schedule+0x31b/0x1500
 process_one_work+0x1e9/0x390
 worker_thread+0x53/0x3e0
 ? process_one_work+0x390/0x390
 kthread+0x124/0x150
 ? set_kthread_struct+0x40/0x40
 ret_from_fork+0x1f/0x30
Modules linked in: uinput rfcomm xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp tun 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 bnep sunrpc snd_hda_codec_hdmi snd_sof_pci_intel_icl snd_sof_intel_hda_common soundwire_intel soundwire_generic_allocation soundwire_cadence snd_sof_intel_hda snd_sof_pci snd_sof_xtensa_dsp snd_sof iwlmvm snd_soc_hdac_hda snd_hda_ext_core snd_soc_acpi_intel_match snd_soc_acpi snd_hda_codec_realtek soundwire_bus snd_soc_core snd_hda_codec_generic mac80211 ledtrig_audio snd_compress
 ac97_bus snd_pcm_dmaengine snd_hda_intel intel_tcc_cooling x86_pkg_temp_thermal intel_powerclamp coretemp snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec kvm_intel libarc4 snd_hda_core snd_hwdep snd_seq kvm iwlwifi btusb snd_seq_device btrtl btbcm btintel iTCO_wdt uvcvideo irqbypass videobuf2_vmalloc videobuf2_memops intel_pmc_bxt snd_pcm mei_hdcp bluetooth rapl ee1004 iTCO_vendor_support videobuf2_v4l2 intel_cstate intel_rapl_msr processor_thermal_device_pci_legacy videobuf2_common intel_wmi_thunderbolt intel_uncore cfg80211 pcspkr snd_timer processor_thermal_device mei_me joydev processor_thermal_rfim snd i2c_i801 ecdh_generic wmi_bmof videodev i2c_smbus soundcore mei processor_thermal_mbox mc processor_thermal_rapl intel_rapl_common intel_soc_dts_iosf ideapad_laptop platform_profile sparse_keymap rfkill int3403_thermal int340x_thermal_zone int3400_thermal acpi_tad acpi_pad acpi_thermal_rel zram ip_tables i915 hid_multitouch i2c_algo_bit ttm crct10dif_pclmul
 crc32_pclmul crc32c_intel drm_kms_helper ghash_clmulni_intel cec drm nvme serio_raw nvme_core wmi i2c_hid_acpi i2c_hid video pinctrl_icelake fuse