[  510.217190] BUG: unable to handle kernel NULL pointer dereference at 0000000000000020
[  510.225167] IP: xfrm_lookup+0x2a/0x7d0
[  510.228934] PGD 0 P4D 0 
[  510.231508] Oops: 0000 [#1] SMP PTI
[  510.235006] Modules linked in:
[  510.238085] CPU: 5 PID: 0 Comm: swapper/5 Not tainted 4.14.12 #2
[  510.244116] Hardware name: To be filled by O.E.M. CAR-2051/CAR, BIOS 1.01 07/11/2016
[  510.251881] task: ffff9cb6bb0e8000 task.stack: ffffb2ffc0088000
[  510.257829] RIP: 0010:xfrm_lookup+0x2a/0x7d0
[  510.262127] RSP: 0018:ffff9cb6bfd43c40 EFLAGS: 00010246
[  510.267387] RAX: 0000000000000000 RBX: ffffffff83074080 RCX: 0000000000000000
[  510.274570] RDX: ffff9cb6bfd43cb8 RSI: 0000000000000000 RDI: ffffffff83074080
[  510.281729] RBP: ffffffff83074080 R08: 0000000000000002 R09: 0000000000000001
[  510.288888] R10: 0000000000000032 R11: 0000000000000000 R12: ffff9cb6bfd43cb8
[  510.296055] R13: 0000000000000000 R14: 0000000000000002 R15: ffff9cb6bb244078
[  510.303215] FS:  0000000000000000(0000) GS:ffff9cb6bfd40000(0000) knlGS:0000000000000000
[  510.311361] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  510.317135] CR2: 0000000000000020 CR3: 000000014c00a000 CR4: 00000000001006e0
[  510.324317] Call Trace:
[  510.326798]  <IRQ>
[  510.328855]  __xfrm_route_forward+0xa4/0x110
[  510.333152]  ip_forward+0x3da/0x450
[  510.336644]  ? ip_rcv_finish+0x61/0x390
[  510.340507]  ip_rcv+0x2b5/0x380
[  510.343654]  ? inet_del_offload+0x30/0x30
[  510.347693]  __netif_receive_skb_core+0x751/0xb00
[  510.352426]  ? inet_gro_receive+0x1fb/0x2b0
[  510.356646]  ? netif_receive_skb_internal+0x47/0xf0
[  510.361550]  netif_receive_skb_internal+0x47/0xf0
[  510.366284]  napi_gro_receive+0x70/0x90
[  510.370132]  gro_cell_poll+0x53/0x90
[  510.373736]  net_rx_action+0x1fc/0x310
[  510.377518]  __do_softirq+0xd5/0x1cf
[  510.381123]  irq_exit+0xa3/0xb0
[  510.384294]  do_IRQ+0x45/0xc0
[  510.387282]  common_interrupt+0x95/0x95
[  510.391148]  </IRQ>
[  510.393272] RIP: 0010:cpuidle_enter_state+0x120/0x200
[  510.398350] RSP: 0018:ffffb2ffc008beb8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff3c
[  510.405967] RAX: ffff9cb6bfd5ea80 RBX: 0000000000000002 RCX: 00000076cb4fb64c
[  510.413150] RDX: 0000000000000000 RSI: 00000000355556ca RDI: 0000000000000000
[  510.420326] RBP: ffff9cb6bfd671e8 R08: 0000000000000003 R09: 0000000000000018
[  510.427485] R10: 00000000ffffffff R11: 0000000000000139 R12: 00000076cb4fb64c
[  510.434695] R13: 00000076cb468ed2 R14: 0000000000000002 R15: 0000000000000000
[  510.441866]  ? cpuidle_enter_state+0x11c/0x200
[  510.446330]  do_idle+0xd6/0x170
[  510.449491]  cpu_startup_entry+0x67/0x70
[  510.453443]  start_secondary+0x167/0x190
[  510.457397]  secondary_startup_64+0xa5/0xb0
[  510.461616] 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 
[  510.480605] RIP: xfrm_lookup+0x2a/0x7d0 RSP: ffff9cb6bfd43c40
[  510.486411] CR2: 0000000000000020
[  510.489758] ---[ end trace dc7eee0efd22329c ]---
[  510.494411] Kernel panic - not syncing: Fatal exception in interrupt
[  510.500923] Kernel Offset: 0x1000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[  510.511676] Rebooting in 10 seconds..