[  439.095554] BUG: unable to handle kernel NULL pointer dereference at 0000000000000020
[  439.103664] IP: xfrm_lookup+0x2a/0x7d0
[  439.107551] PGD 0 P4D 0 
[  439.110144] Oops: 0000 [#1] SMP PTI
[  439.113653] Modules linked in:
[  439.116774] CPU: 6 PID: 0 Comm: swapper/6 Not tainted 4.14.12 #1
[  439.122900] Hardware name: To be filled by O.E.M. CAR-2051/CAR, BIOS 1.01 07/11/2016
[  439.130769] task: ffff8cf33b0ea280 task.stack: ffff9492c0090000
[  439.136726] RIP: 0010:xfrm_lookup+0x2a/0x7d0
[  439.141005] RSP: 0018:ffff8cf33fd83bd0 EFLAGS: 00010246
[  439.146315] RAX: 0000000000000000 RBX: ffffffff87074080 RCX: 0000000000000000
[  439.153537] RDX: ffff8cf33fd83c48 RSI: 0000000000000000 RDI: ffffffff87074080
[  439.160780] RBP: ffffffff87074080 R08: 0000000000000002 R09: 0000000000000000
[  439.167958] R10: 0000000000000020 R11: 0000000000000020 R12: ffff8cf33fd83c48
[  439.175115] R13: 0000000000000000 R14: 0000000000000002 R15: ffff8cf33b240078
[  439.182337] FS:  0000000000000000(0000) GS:ffff8cf33fd80000(0000) knlGS:0000000000000000
[  439.190456] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  439.196227] CR2: 0000000000000020 CR3: 000000013200a000 CR4: 00000000001006e0
[  439.203386] Call Trace:
[  439.205869]  <IRQ>
[  439.207886]  __xfrm_route_forward+0xa4/0x110
[  439.212195]  ip_forward+0x3da/0x450
[  439.215696]  ? ip_rcv_finish+0x61/0x390
[  439.219542]  ip_rcv+0x2b5/0x380
[  439.222716]  ? inet_del_offload+0x30/0x30
[  439.226736]  __netif_receive_skb_core+0x751/0xb00
[  439.231469]  ? netif_receive_skb_internal+0x47/0xf0
[  439.236391]  netif_receive_skb_internal+0x47/0xf0
[  439.241150]  napi_gro_flush+0x50/0x70
[  439.244831]  napi_complete_done+0x90/0xd0
[  439.248872]  igb_poll+0x8fd/0xe80
[  439.252190]  net_rx_action+0x1fc/0x310
[  439.255978]  __do_softirq+0xd5/0x1cf
[  439.259584]  irq_exit+0xa3/0xb0
[  439.262763]  do_IRQ+0x45/0xc0
[  439.265772]  common_interrupt+0x95/0x95
[  439.269609]  </IRQ>
[  439.271733] RIP: 0010:cpuidle_enter_state+0x120/0x200
[  439.276810] RSP: 0018:ffff9492c0093eb8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff5d
[  439.284436] RAX: ffff8cf33fd9ea80 RBX: 0000000000000002 RCX: 000000663c21ea0f
[  439.291604] RDX: 0000000000000000 RSI: 00000000355556ca RDI: 0000000000000000
[  439.298772] RBP: ffff8cf33fda71e8 R08: 0000000000000003 R09: 0000000000000018
[  439.305930] R10: 00000000ffffffff R11: 000000000000057c R12: 000000663c21ea0f
[  439.313089] R13: 000000663c1c6c33 R14: 0000000000000002 R15: 0000000000000000
[  439.320259]  ? cpuidle_enter_state+0x11c/0x200
[  439.324740]  do_idle+0xd6/0x170
[  439.327885]  cpu_startup_entry+0x67/0x70
[  439.331837]  start_secondary+0x167/0x190
[  439.335788]  secondary_startup_64+0xa5/0xb0
[  439.340001] Code: 00 41 57 41 56 45 89 c6 41 55 41 54 49 89 f5 55 53 49 89 d4 48 89 fb 48 83 ec 40 65 48 8b 04 25 28 00 00 00 48 89 44 24 38 31 c0 <48> 8b 46 20 48 85 c9 44 0f b7 38 c7 44 24 0c 00 00 00 00 0f 84 
[  439.358988] RIP: xfrm_lookup+0x2a/0x7d0 RSP: ffff8cf33fd83bd0
[  439.364759] CR2: 0000000000000020
[  439.368105] ---[ end trace c6b298b556ea7769 ]---
[  439.372752] Kernel panic - not syncing: Fatal exception in interrupt
[  439.379255] Kernel Offset: 0x5000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[  439.390029] Rebooting in 10 seconds..