Backtrace

NMI watchdog: BUG: soft lockup - CPU#24 stuck for 22s! [systemd-udevd:214211]
Modules linked in: tcp_diag inet_diag snd_seq snd_seq_device snd_timer snd soundcore veth ipt_MASQUERADE nf_nat_masquerade_ipv4 nf_conntrack_netlink nfnetlink iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype iptable_filter xt_conntrack nf_nat nf_conntrack libcrc32c br_netfilter bridge overlay(T) nfsv3 rpcsec_gss_krb5 nfsv4 dns_resolver nfs fscache 8021q garp mrp stp llc bonding rpcrdma ib_isert iscsi_target_mod ib_iser libiscsi scsi_transport_iscsi ib_srpt target_core_mod ib_srp scsi_transport_srp scsi_tgt ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm iw_cm i40iw ib_core ip6_tables skx_edac edac_core coretemp intel_rapl iosf_mbi kvm_intel kvm irqbypass crc32_pclmul ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper ablk_helper cryptd iTCO_wdt joydev
iTCO_vendor_support sg nfit pcspkr i2c_i801 libnvdimm shpchp lpc_ich mei_me mei ipmi_si ipmi_devintf ipmi_msghandler wmi acpi_cpufreq nfsd auth_rpcgss nfs_acl lockd grace sunrpc binfmt_misc ip_tables ext4 mbcache jbd2 sd_mod sr_mod crc_t10dif cdrom crct10dif_generic uas usb_storage ast drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm ixgbe drm igb crct10dif_pclmul i40e mpt3sas crct10dif_common crc32c_intel ahci libahci libata mdio dca raid_class i2c_algo_bit scsi_transport_sas ptp i2c_core pps_core
CPU: 24 PID: 214211 Comm: systemd-udevd Tainted: G        W    L ------------ T 3.10.0-693.5.2.el7.x86_64 #1
Hardware name: Sugon CX50-G35/60P16B-TC4600T, BIOS 0KLSN218 05/22/2019
task: ffff882bfdbc0fd0 ti: ffff882df9a98000 task.ti: ffff882df9a98000
RIP: 0010:[<ffffffff8108a3ed>]  [<ffffffff8108a3ed>] console_unlock+0x46d/0x4b0
RSP: 0018:ffff882df9a9ba98  EFLAGS: 00000202
RAX: 0000000000000000 RBX: ffff881700000028 RCX: 00000000ffffffff
RDX: ffff882df9a9ba20 RSI: 0000000000000004 RDI: 0000000000000202
RBP: ffff882df9a9bac8 R08: 0000000000000000 R09: ffff8817da17af00
R10: 00000000000003ff R11: 0000000000000001 R12: ffffffff81408e99
R13: ffff882df9a9ba60 R14: ffffffff816b05fa R15: 000000009fbe1a16
FS:  00007f4b8b64b8c0(0000) GS:ffff8817df980000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c42067f010 CR3: 0000001212fce000 CR4: 00000000003407e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
ffffffff81e86e50 00000000ffffffff 0000000000000000 0000000000000000
0000000000000096 0000000000000006 ffff882df9a9bb38 ffffffff8108a7f4
ffffffff81d86542 ffff882d00000096 0000000000000000 ffff882df9a9bb58
Call Trace:
[<ffffffff8108a7f4>] vprintk_emit+0x3c4/0x510
[<ffffffff8108ab69>] vprintk_default+0x29/0x40
[<ffffffff8169de96>] printk+0x5d/0x74
[<ffffffff811de8e7>] kmem_cache_free+0x177/0x200
[<ffffffff811bd6d8>] unlink_anon_vmas+0x58/0x1b0
[<ffffffff811ae9c8>] free_pgtables+0xa8/0x120
[<ffffffff811b8d96>] exit_mmap+0xc6/0x1a0
[<ffffffff810844e7>] mmput+0x67/0xf0
[<ffffffff81208634>] flush_old_exec+0x434/0x820
[<ffffffff8125f8dc>] load_elf_binary+0x33c/0xe00
[<ffffffffc0251064>] ? load_misc_binary+0x64/0x460 [binfmt_misc]
[<ffffffff812d4663>] ? ima_get_action+0x23/0x30
[<ffffffff812d3c9e>] ? process_measurement+0x8e/0x250
[<ffffffff812d4159>] ? ima_bprm_check+0x49/0x50
[<ffffffff8125f5a0>] ? load_elf_library+0x220/0x220
[<ffffffff81207d5d>] search_binary_handler+0xed/0x300
[<ffffffff81209286>] do_execve_common.isra.25+0x5b6/0x6c0
[<ffffffff81209629>] SyS_execve+0x29/0x30
[<ffffffff816b5629>] stub_execve+0x69/0xa0
Code: df 00 48 83 05 44 ca df 00 01 48 8b 7d d0 83 e0 1f 89 05 2f ca df 00 c6 07 00 0f 1f 40 00 44 89 f7 e8 c8 e7 ff ff 48 89 df 57 9d <0f> 1f 44 00 00 e9 16 fc ff ff 48 c7 05 1e cb df 00 00 00 00 00