Backtrace

NMI watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [mono:28890]
Modules linked in: uinput xt_CHECKSUM ipt_MASQUERADE nf_nat_masquerade_ipv4 tun devlink rpcsec_gss_krb5 nfsv4 dns_resolver nfs fscache nf_conntrack_netbios_ns nf_conntrack_broadcast ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 ipt_REJECT nf_reject_ipv4 xt_conntrack ebtable_nat ebtable_broute bridge stp llc 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 iptable_mangle iptable_security iptable_raw nf_conntrack ip_set nfnetlink ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter ppdev virtio_rng sg joydev iosf_mbi parport_pc crc32_pclmul parport i2c_piix4 ghash_clmulni_intel aesni_intel pcspkr nfsd nfs_acl lockd auth_rpcgss grace sunrpc ip_tables xfs libcrc32c
sr_mod cdrom sd_mod crc_t10dif ata_generic pata_acpi virtio_net virtio_console virtio_scsi qxl drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ata_piix ttm drm libata crct10dif_pclmul virtio_pci serio_raw floppy virtio_ring virtio drm_panel_orientation_quirks dm_mirror dm_region_hash dm_log authenc cmac zlib wp512 twofish_generic twofish_avx_x86_64 twofish_x86_64_3way twofish_x86_64 twofish_common tea sha512_ssse3 sha512_generic serpent_avx2 serpent_avx_x86_64 serpent_sse2_x86_64 serpent_generic seed salsa20_generic salsa20_x86_64 rmd320 rmd256 rmd160 rmd128 michael_mic md4 khazad ghash_generic gcm fcrypt drbg dm_crypt dm_mod des_generic deflate cts crypto_null crct10dif_generic crct10dif_common crc32c_intel ccm cast6_avx_x86_64 cast6_generic cast_common camellia_generic
camellia_aesni_avx2 camellia_aesni_avx_x86_64 ablk_helper cryptd camellia_x86_64 xts lrw gf128mul glue_helper blowfish_generic blowfish_x86_64 blowfish_common arc4 ansi_cprng [last unloaded: tcrypt]
CPU: 0 PID: 28890 Comm: mono Kdump: loaded Not tainted 3.10.0-1062.9.1.el7.x86_64 #1
Hardware name: oVirt oVirt Node, BIOS 1.11.0-2.el7 04/01/2014
task: ffff8fadf8809070 ti: ffff8f71097b8000 task.ti: ffff8f71097b8000
RIP: 0010:[<ffffffff97207723>]  [<ffffffff97207723>] free_pages_and_swap_cache+0x63/0xd0
RSP: 0018:ffff8f71097bbaa8  EFLAGS: 00010246
RAX: 002fffff00080068 RBX: ffffffffffffffff RCX: ffff8f71097bba48
RDX: 0000000000000000 RSI: 000000000000000e RDI: ffff8f64052b9d30
RBP: ffff8f71097bbad0 R08: 0000000000000000 R09: 0000000000000000
R10: ffff8fafbf998240 R11: ffffffffffffffff R12: ffffffff971cc9be
R13: ffff8f71097bba98 R14: ffff8fafbfe1e000 R15: ffffe58495570da0
FS:  00007f3b08b87780(0000) GS:ffff8fadfd000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3a800064d0 CR3: 000000205defa000 CR4: 00000000003606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
[<ffffffff971eda74>] tlb_flush_mmu_free+0x34/0x50
[<ffffffff971ef054>] unmap_page_range+0x7e4/0xc80
[<ffffffff971ef571>] unmap_single_vma+0x81/0xf0
[<ffffffff971f07e9>] unmap_vmas+0x49/0x90
[<ffffffff971faf9c>] exit_mmap+0xac/0x1a0
[<ffffffff97252495>] ? flush_old_exec+0x3b5/0x940
[<ffffffff970982d7>] mmput+0x67/0xf0
[<ffffffff972525d0>] flush_old_exec+0x4f0/0x940
[<ffffffff972b01ec>] load_elf_binary+0x33c/0xd90
[<ffffffff97329673>] ? ima_get_action+0x23/0x30
[<ffffffff97328b8e>] ? process_measurement+0x8e/0x250
[<ffffffff97329049>] ? ima_bprm_check+0x49/0x50
[<ffffffff97251c2a>] search_binary_handler+0x9a/0x1c0
[<ffffffff97253326>] do_execve_common.isra.24+0x616/0x880
[<ffffffff97253829>] SyS_execve+0x29/0x30
[<ffffffff9778e478>] stub_execve+0x48/0x80
Code: 00 00 45 0f 4e ef 31 db 45 85 ed 7f 14 eb 59 66 0f 1f 84 00 00 00 00 00 48 83 c3 01 41 39 dd 7e 47 4d 8b 24 de 41 f6 c4 01 75 ed <49> 8b 04 24 a9 00 00 01 00 74 e2 41 8b 44 24 18 85 c0 79 d9 f0