Backtrace

WARNING: CPU: 0 PID: 146 at block/blk-core.c:800 generic_make_request_checks+0x38a/0x680
Modules linked in: btrfs xor zstd_compress raid6_pq zstd_decompress hfsplus hfs minix msdos jfs reiserfs tun veth nf_conntrack_netlink nfnetlink xt_addrtype br_netfilter ebtable_filter ebtables ip6table_filter ip6_tables xfrm_interface ip_vti ip_tunnel ah6 ah4 esp6 esp4 xfrm4_tunnel tunnel4 ipcomp ipcomp6 xfrm6_tunnel xfrm_ipcomp tunnel6 chacha20poly1305 cmac camellia_generic camellia_x86_64 ccm xcbc sha256_ssse3 sha512_ssse3 des_generic libdes binfmt_misc overlay bridge stp llc xt_CHECKSUM iptable_mangle xt_MASQUERADE xt_nat iptable_nat nf_nat xt_policy xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 bnep vmw_vsock_vmci_transport iptable_filter vsock sunrpc snd_seq_midi snd_seq_midi_event vfat fat intel_rapl_msr intel_rapl_common snd_ens1371 snd_ac97_codec crct10dif_pclmul gameport btusb crc32_pclmul ac97_bus snd_rawmidi btrtl ghash_clmulni_intel btbcm snd_seq btintel bluetooth snd_seq_device vmw_balloon intel_rapl_perf snd_pcm ecdh_generic rfkill vmwgfx ecc snd_timer
snd nvme joydev soundcore nvme_core ttm serio_raw drm_kms_helper vmxnet3 mptspi drm mptscsih mptbase vmw_vmci scsi_transport_spi i2c_piix4 ata_generic pata_acpi tcp_bbr sch_fq ip_tables xfs libcrc32c crc32c_intel fuse
CPU: 0 PID: 146 Comm: kswapd0 Not tainted 5.4.42-200.el7.x86_64 #1
Hardware name: VMware, Inc. VMware7,1/440BX Desktop Reference Platform, BIOS VMW71.00V.16722896.B64.2008100651 08/10/2020
RIP: 0010:generic_make_request_checks+0x38a/0x680
Code: 4c 03 00 00 48 89 df 48 8d 74 24 08 c6 05 59 09 34 01 01 e8 48 5c 01 00 48 c7 c7 20 df 38 94 44 89 e2 48 89 c6 e8 af 19 c3 ff <0f> 0b 4c 8b 63 08 e9 26 ff ff ff 25 ff ff f9 ff 41 c1 ee 09 89 43
RSP: 0018:ffffbbd7c05178e8 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffff9930e7dea800 RCX: 0000000000000006
RDX: 0000000000000007 RSI: 0000000000000086 RDI: ffff9930fcc17900
RBP: ffff9930cc9bc9f8 R08: 0000000000000724 R09: 0000000000000003
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000001000 R15: fffff0f48054b888
FS:  0000000000000000(0000) GS:ffff9930fcc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe421f204b1 CR3: 000000000660a002 CR4: 00000000000606f0
Call Trace:
? mempool_alloc+0x70/0x1a0
generic_make_request+0x2e/0x310
submit_bio+0x42/0x1c0
? get_swap_bio+0xf0/0xf0
__swap_writepage+0x158/0x4d0
? __frontswap_store+0xab/0x130
pageout.isra.54+0xfc/0x360
shrink_page_list+0xa92/0xd90
shrink_inactive_list+0x19d/0x3d0
shrink_node_memcg+0x23f/0x850
? do_shrink_slab+0x54/0x2a0
shrink_node+0xb6/0x410
balance_pgdat+0x2cb/0x510
kswapd+0x1f9/0x3d0
? finish_wait+0x80/0x80
? balance_pgdat+0x510/0x510
kthread+0x112/0x130
? kthread_park+0x80/0x80
ret_from_fork+0x35/0x40