[2017/10/06 09:00:46] ------------[ cut here ]------------
[2017/10/06 09:00:46] WARNING: CPU: 3 PID: 0 at kernel/rcu/tree.c:2811 rcu_do_batch+0x210/0x220
[2017/10/06 09:00:46] Modules linked in: netconsole configfs seqiv ghash_generic gf128mul ghash_clmulni_intel cryptd gcm xfrm6_mode_tunnel xfrm4_mode_tunnel xt_hashlimit ts_kmp ipt_REJECT nf_reject_ipv4 nf_log_ipv4 nf_log_common xt_LOG xt_mark xt_nat ts_bm xt_string xt_TCPMSS iptable_mangle arptable_filter arp_tables ebtable_filter ebtables tun iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat arc4 ecb ppp_mppe ctr drbg ansi_cprng authenc echainiv xfrm4_mode_transport des3_ede_x86_64 des_generic cbc l2tp_ppp l2tp_core udp_tunnel ip6_udp_tunnel pptp pppox ppp_generic slhc gre xfrm4_tunnel tunnel4 ipcomp xfrm_ipcomp esp4 ah4 af_key iptable_filter ip_tables ip6t_REJECT nf_reject_ipv6 nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack libcrc32c ip6table_filter ip6_tables ppdev input_leds pcspkr
[2017/10/06 09:00:46] virtio_balloon pvpanic parport_pc parport virtio_net shpchp sg i2c_piix4 ext4 jbd2 mbcache virtio_blk sr_mod cdrom virtio_pci virtio_ring virtio pata_acpi ata_generic ata_piix floppy ttm dm_mirror dm_region_hash dm_log dm_mod dax [last unloaded: netconsole]
[2017/10/06 09:00:46] CPU: 3 PID: 0 Comm: swapper/3 Not tainted 4.13.4-1.el6.elrepo.x86_64 #1
[2017/10/06 09:00:46] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
[2017/10/06 09:00:46] task: ffff8800bb432380 task.stack: ffffc90000694000
[2017/10/06 09:00:46] RIP: 0010:rcu_do_batch+0x210/0x220
[2017/10/06 09:00:46] RSP: 0018:ffff8800bfd83df8 EFLAGS: 00010097
[2017/10/06 09:00:46] RAX: 0000000000000000 RBX: ffff8800bfd83e08 RCX: ffff8800bfd80000
[2017/10/06 09:00:46] RDX: ffffffffffffd801 RSI: ffff8800bfd83e08 RDI: ffff8800bfd9cbb8
[2017/10/06 09:00:46] RBP: ffff8800bfd83e68 R08: ffff8800ba450208 R09: 0000000000000100
[2017/10/06 09:00:46] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000246
[2017/10/06 09:00:46] R13: ffff8800bfd9cb80 R14: ffff8800bfd9cbb8 R15: 0000000000000003
[2017/10/06 09:00:46] FS: 0000000000000000(0000) GS:ffff8800bfd80000(0000) knlGS:0000000000000000
[2017/10/06 09:00:46] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[2017/10/06 09:00:46] CR2: ffffffffff600400 CR3: 00000000ba125000 CR4: 00000000000406e0
[2017/10/06 09:00:46] Call Trace:
[2017/10/06 09:00:46]
[2017/10/06 09:00:46] __rcu_process_callbacks+0xae/0x120
[2017/10/06 09:00:46] ? rebalance_domains+0x16d/0x290
[2017/10/06 09:00:46] rcu_process_callbacks+0x5a/0x120
[2017/10/06 09:00:46] ? run_rebalance_domains+0x49/0x60
[2017/10/06 09:00:46] __do_softirq+0xe2/0x2ec
[2017/10/06 09:00:46] ? hrtimer_interrupt+0x10f/0x1d0
[2017/10/06 09:00:46] irq_exit+0xbc/0xd0
[2017/10/06 09:00:46] smp_apic_timer_interrupt+0x41/0x50
[2017/10/06 09:00:46] apic_timer_interrupt+0x89/0x90
[2017/10/06 09:00:46] RIP: 0010:native_safe_halt+0x6/0x10
[2017/10/06 09:00:46] RSP: 0018:ffffc90000697e18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10
[2017/10/06 09:00:46] RAX: 0000000000000000 RBX: 0000000000000003 RCX: ffff8800bfd92000
[2017/10/06 09:00:46] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[2017/10/06 09:00:46] RBP: ffffc90000697e18 R08: 0100000000000000 R09: 0000000000000002
[2017/10/06 09:00:46] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[2017/10/06 09:00:46] R13: ffff8800bb432380 R14: 0000000000000000 R15: 0000000000000000
[2017/10/06 09:00:46]
[2017/10/06 09:00:46] default_idle+0x29/0x110
[2017/10/06 09:00:46] ? sched_clock+0x9/0x10
[2017/10/06 09:00:46] ? sched_clock_cpu+0x22/0xc0
[2017/10/06 09:00:46] arch_cpu_idle+0xf/0x20
[2017/10/06 09:00:46] default_idle_call+0x23/0x40
[2017/10/06 09:00:46] cpuidle_idle_call+0xcb/0x160
[2017/10/06 09:00:46] do_idle+0x85/0xd0
[2017/10/06 09:00:46] cpu_startup_entry+0x68/0x70
[2017/10/06 09:00:46] start_secondary+0x13d/0x150
[2017/10/06 09:00:46] secondary_startup_64+0x9f/0x9f
[2017/10/06 09:00:46] Code: 83 bd 90 00 00 00 00 74 88 48 8b 4d 98 49 c7 85 90 00 00 00 00 00 00 00 48 8b 91 58 91 03 00 49 89 95 b8 00 00 00 e9 79 ff ff ff <0f> ff eb 87 0f ff e9 63 fe ff ff 0f 1f 44 00 00 55 48 89 e5 48
[2017/10/06 09:00:46] ---[ end trace d51f3d8210d9c936 ]---
[2017/10/06 09:00:46] BUG: unable to handle kernel NULL pointer dereference at 0000000000000008
[2017/10/06 09:00:46] IP: process_backlog+0xe2/0x1a0
[2017/10/06 09:00:46] PGD 0
[2017/10/06 09:00:46] P4D 0
[2017/10/06 09:00:46]
[2017/10/06 09:00:46] Oops: 0002 [#1] SMP
[2017/10/06 09:00:46] Modules linked in: netconsole configfs seqiv ghash_generic gf128mul ghash_clmulni_intel cryptd gcm xfrm6_mode_tunnel xfrm4_mode_tunnel xt_hashlimit ts_kmp ipt_REJECT nf_reject_ipv4 nf_log_ipv4 nf_log_common xt_LOG xt_mark xt_nat ts_bm xt_string xt_TCPMSS iptable_mangle arptable_filter arp_tables ebtable_filter ebtables tun iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat arc4 ecb ppp_mppe ctr drbg ansi_cprng authenc echainiv xfrm4_mode_transport des3_ede_x86_64 des_generic cbc l2tp_ppp l2tp_core udp_tunnel ip6_udp_tunnel pptp pppox ppp_generic slhc gre xfrm4_tunnel tunnel4 ipcomp xfrm_ipcomp esp4 ah4 af_key iptable_filter ip_tables ip6t_REJECT nf_reject_ipv6 nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack libcrc32c ip6table_filter ip6_tables ppdev input_leds pcspkr
[2017/10/06 09:00:46] virtio_balloon pvpanic parport_pc parport virtio_net shpchp sg i2c_piix4 ext4 jbd2 mbcache virtio_blk sr_mod cdrom virtio_pci virtio_ring virtio pata_acpi ata_generic ata_piix floppy ttm dm_mirror dm_region_hash dm_log dm_mod dax [last unloaded: netconsole]
[2017/10/06 09:00:46] CPU: 3 PID: 28 Comm: ksoftirqd/3 Tainted: G W 4.13.4-1.el6.elrepo.x86_64 #1
[2017/10/06 09:00:46] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
[2017/10/06 09:00:46] task: ffff8800bb4bc7c0 task.stack: ffffc9000071c000
[2017/10/06 09:00:46] RIP: 0010:process_backlog+0xe2/0x1a0
[2017/10/06 09:00:46] RSP: 0018:ffffc9000071fbf8 EFLAGS: 00010202
[2017/10/06 09:00:46] RAX: ffff8800bfd9cf50 RBX: ffff8800bfd9cf40 RCX: ffff8800b8636000
[2017/10/06 09:00:46] RDX: 0000000000000000 RSI: 00000000fffffe01 RDI: ffff8800b7eff100
[2017/10/06 09:00:46] RBP: ffffc9000071fc38 R08: 0000000000000000 R09: 0000000000000001
[2017/10/06 09:00:46] R10: 00000000000003c0 R11: ffffea0000000000 R12: 0000000000000002
[2017/10/06 09:00:46] R13: 0000000000000040 R14: ffff8800bfd9d050 R15: ffff8800bfd9cf50
[2017/10/06 09:00:46] FS: 0000000000000000(0000) GS:ffff8800bfd80000(0000) knlGS:0000000000000000
[2017/10/06 09:00:46] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[2017/10/06 09:00:46] CR2: 0000000000000008 CR3: 0000000037aa9000 CR4: 00000000000406e0
[2017/10/06 09:00:46] Call Trace:
[2017/10/06 09:00:46] napi_poll+0xd2/0x1e0
[2017/10/06 09:00:46] ? run_timer_softirq+0x35a/0x4f0
[2017/10/06 09:00:46] ? kmem_cache_free_bulk+0x62/0x170
[2017/10/06 09:00:46] net_rx_action+0xd0/0x250
[2017/10/06 09:00:46] ? rebalance_domains+0xf3/0x290
[2017/10/06 09:00:46] __do_softirq+0xe2/0x2ec
[2017/10/06 09:00:46] ? schedule+0x3a/0xa0
[2017/10/06 09:00:46] run_ksoftirqd+0x29/0x50
[2017/10/06 09:00:46] smpboot_thread_fn+0x10c/0x160
[2017/10/06 09:00:46] ? smpboot_create_threads+0x80/0x80
[2017/10/06 09:00:46] kthread+0x111/0x150
[2017/10/06 09:00:46] ? __kthread_init_worker+0x40/0x40
[2017/10/06 09:00:46] ? __kthread_init_worker+0x40/0x40
[2017/10/06 09:00:46] ret_from_fork+0x25/0x30
[2017/10/06 09:00:46] Code: 8b 7b 10 4c 39 ff 74 4d 48 85 ff 74 48 83 6b 20 01 41 83 c4 01 48 8b 17 48 8b 47 08 48 c7 07 00 00 00 00 48 c7 47 08 00 00 00 00 <48> 89 42 08 48 89 10 e8 a2 fe ff ff 83 83 80 00 00 00 01 45 39
[2017/10/06 09:00:46] RIP: process_backlog+0xe2/0x1a0 RSP: ffffc9000071fbf8
[2017/10/06 09:00:46] CR2: 0000000000000008
[2017/10/06 09:00:46] ---[ end trace d51f3d8210d9c937 ]---
[2017/10/06 09:00:46] BUG: unable to handle kernel paging request at 0000011600000158
[2017/10/06 09:00:46] IP: skb_release_head_state+0x77/0xc0
[2017/10/06 09:00:46] PGD 0
[2017/10/06 09:00:46] P4D 0
[2017/10/06 09:00:46]
[2017/10/06 09:00:46] Oops: 0002 [#2] SMP
[2017/10/06 09:00:46] Modules linked in: netconsole configfs seqiv ghash_generic gf128mul ghash_clmulni_intel cryptd gcm xfrm6_mode_tunnel xfrm4_mode_tunnel xt_hashlimit ts_kmp ipt_REJECT nf_reject_ipv4 nf_log_ipv4 nf_log_common xt_LOG xt_mark xt_nat ts_bm xt_string xt_TCPMSS iptable_mangle arptable_filter arp_tables ebtable_filter ebtables tun iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat arc4 ecb ppp_mppe ctr drbg ansi_cprng authenc echainiv xfrm4_mode_transport des3_ede_x86_64 des_generic cbc l2tp_ppp l2tp_core udp_tunnel ip6_udp_tunnel pptp pppox ppp_generic slhc gre xfrm4_tunnel tunnel4 ipcomp xfrm_ipcomp esp4 ah4 af_key iptable_filter ip_tables ip6t_REJECT nf_reject_ipv6 nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack libcrc32c ip6table_filter ip6_tables ppdev input_leds pcspkr
[2017/10/06 09:00:46] virtio_balloon pvpanic parport_pc parport virtio_net shpchp sg i2c_piix4 ext4 jbd2 mbcache virtio_blk sr_mod cdrom virtio_pci virtio_ring virtio pata_acpi ata_generic ata_piix floppy ttm dm_mirror dm_region_hash dm_log dm_mod dax [last unloaded: netconsole]
[2017/10/06 09:00:46] CPU: 0 PID: 4207 Comm: openvpn Tainted: G D W 4.13.4-1.el6.elrepo.x86_64 #1
[2017/10/06 09:00:46] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
[2017/10/06 09:00:46] task: ffff8800b77685c0 task.stack: ffffc90001abc000
[2017/10/06 09:00:46] RIP: 0010:skb_release_head_state+0x77/0xc0
[2017/10/06 09:00:46] RSP: 0018:ffffc90001abfc78 EFLAGS: 00010202
[2017/10/06 09:00:46] RAX: 0000000000000000 RBX: ffff8800ba450208 RCX: 000000000000000e
[2017/10/06 09:00:46] RDX: ffff8800ba4502ec RSI: 0000000000000000 RDI: 0000011600000158
[2017/10/06 09:00:46] RBP: ffffc90001abfc88 R08: ffffffff81c9e734 R09: 0000000000000000
[2017/10/06 09:00:46] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8800b9848000
[2017/10/06 09:00:46] R13: ffff8800b98308c0 R14: ffff8800ba450208 R15: 000000000000000e
[2017/10/06 09:00:46] FS: 00007f4de82597c0(0000) GS:ffff8800bfc00000(0000) knlGS:0000000000000000
[2017/10/06 09:00:46] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[2017/10/06 09:00:46] CR2: 0000011600000158 CR3: 00000000b9e83000 CR4: 00000000000406f0
[2017/10/06 09:00:46] Call Trace:
[2017/10/06 09:00:46] skb_release_all+0x16/0x30
[2017/10/06 09:00:46] __kfree_skb+0x16/0x30
[2017/10/06 09:00:46] consume_skb+0x42/0xa0
[2017/10/06 09:00:46] tun_do_read+0x5d/0xa0 [tun]
[2017/10/06 09:00:46] tun_chr_read_iter+0x69/0xa0 [tun]
[2017/10/06 09:00:46] __vfs_read+0xb2/0xd0
[2017/10/06 09:00:46] vfs_read+0xae/0xf0
[2017/10/06 09:00:46] ? __fdget+0x13/0x20
[2017/10/06 09:00:46] SyS_read+0x56/0xc0
[2017/10/06 09:00:46] do_syscall_64+0x5c/0xe0
[2017/10/06 09:00:46] entry_SYSCALL64_slow_path+0x25/0x25
[2017/10/06 09:00:46] RIP: 0033:0x7f4de6d8b82d
[2017/10/06 09:00:46] RSP: 002b:00007ffda27d51a0 EFLAGS: 00000293 ORIG_RAX: 0000000000000000
[2017/10/06 09:00:46] RAX: ffffffffffffffda RBX: 0000000000c55b10 RCX: 00007f4de6d8b82d
[2017/10/06 09:00:46] RDX: 00000000000005fc RSI: 0000000000c9fd4c RDI: 0000000000000007
[2017/10/06 09:00:46] RBP: 00007ffda27d52a0 R08: 0000000000000a52 R09: 000000000412d37a
[2017/10/06 09:00:46] R10: 00007ffda27d5130 R11: 0000000000000293 R12: 0000000000000006
[2017/10/06 09:00:46] R13: 0000000000c9fd4c R14: 0000000000000006 R15: 00007ffda27d5228
[2017/10/06 09:00:46] Code: 8b 15 22 75 97 7e f7 c2 00 00 0f 00 75 56 48 89 df ff d0 48 8b 7b 70 48 83 e7 f8 74 05 f0 ff 0f 74 21 48 8b 7b 78 48 85 ff 74 05 ff 0f 74 07 48 83 c4 08 5b c9 c3 e8 48 1c b8 ff 48 83 c4 08
[2017/10/06 09:00:46] RIP: skb_release_head_state+0x77/0xc0 RSP: ffffc90001abfc78
[2017/10/06 09:00:46] CR2: 0000011600000158
[2017/10/06 09:00:46] ---[ end trace d51f3d8210d9c938 ]---
[2017/10/06 09:00:46] Kernel panic - not syncing: Fatal exception
[2017/10/06 09:00:47] Shutting down cpus with NMI
[2017/10/06 09:00:47] Kernel Offset: disabled
[2017/10/06 09:00:47] Rebooting in 2 seconds..