Backtrace

NMI watchdog: BUG: soft lockup - CPU#3 stuck for 23s! [sshd:22735]
Modules linked in: rpcsec_gss_krb5 nfsv4 dns_resolver nfs fscache vhost_net vhost macvtap macvlan ebt_arp tun geneve ip6_udp_tunnel udp_tunnel fuse devlink bnx2fc cnic uio fcoe libfcoe libfc scsi_transport_fc scsi_tgt ip6t_rpfilter ipt_REJECT nf_reject_ipv4 ip6t_REJECT nf_reject_ipv6 xt_conntrack openvswitch ip_set nfnetlink ebtable_nat ebtable_broute ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_security iptable_raw ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter xfs iTCO_wdt iTCO_vendor_support sb_edac intel_powerclamp coretemp intel_rapl iosf_mbi kvm_intel kvm irqbypass joydev pcspkr ses enclosure scsi_transport_sas
sg ioatdma mei_me mei lpc_ich i2c_i801 acpi_pad acpi_power_meter ipmi_si ipmi_devintf ipmi_msghandler nfsd bridge auth_rpcgss nfs_acl lockd bonding grace ip_tables ext4 mbcache jbd2 dm_thin_pool dm_persistent_data dm_bio_prison dm_bufio libcrc32c 8021q garp mrp stp llc sd_mod crc_t10dif crct10dif_generic mxm_wmi ast i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt crct10dif_pclmul crct10dif_common crc32_pclmul fb_sys_fops crc32c_intel ttm ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper ablk_helper cryptd drm ahci ixgbe libahci libata megaraid_sas drm_panel_orientation_quirks dca ptp pps_core mdio scsi_transport_iscsi dm_multipath wmi sunrpc dm_mirror dm_region_hash dm_log dm_mod
CPU: 3 PID: 22735 Comm: sshd Kdump: loaded Tainted: G             L ------------   3.10.0-957.1.3.el7.x86_64 #1
Hardware name: Supermicro X10DRi/X10DRI-T, BIOS 3.0a 02/06/2018
task: ffff928d37c68000 ti: ffff9253ebdf0000 task.ti: ffff9253ebdf0000
RIP: 0010:[<ffffffff8410a993>]  [<ffffffff8410a993>] sidtab_context_to_sid+0xb3/0x480
RSP: 0018:ffff9253ebdf3cf8  EFLAGS: 00000286
RAX: 0000000000000000 RBX: ffff9253ebdf3db8 RCX: 0000000000000000
RDX: ffff9253ebdf3da0 RSI: 0000000000000000 RDI: ffffffff8502b0e0
RBP: ffff9253ebdf3d40 R08: ffff9253ebdf3db8 R09: 0000000000000300
R10: ffffffffffffffff R11: ffffffffffffffff R12: ffffffffffffffff
R13: ffffffffffffffff R14: ffff924ebfc03b00 R15: ffff9253ebdf3ce8
FS:  00007fc992b938c0(0000) GS:ffff926d3fac0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc991f3fc00 CR3: 000000102c39e000 CR4: 00000000003627e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
[<ffffffff841184c5>] ? mls_setup_user_range+0x145/0x250
[<ffffffff84114aa7>] security_get_user_sids+0x3f7/0x550
[<ffffffff84107f5b>] sel_write_user+0x12b/0x210
[<ffffffff8403e2aa>] ? __check_object_size+0x1ca/0x250
[<ffffffff84107e30>] ? sel_write_member+0x200/0x200
[<ffffffff8410614a>] selinux_transaction_write+0x4a/0x80
[<ffffffff84041310>] vfs_write+0xc0/0x1f0
[<ffffffff8404212f>] SyS_write+0x7f/0xf0
[<ffffffff84574ddb>] system_call_fastpath+0x22/0x27
Code: 0f 1f 84 00 00 00 00 00 41 8b 50 0c 85 d2 74 08 39 d0 0f 84 80 02 00 00 4d 8b 64 24 50 4d 85 e4 0f 84 a2 02 00 00 41 8b 44 24 14 <85> c0 75 d9 41 8b 48 0c 85 c9 75 e1 49 8b 00 49 39 44 24 08 75