[ 882.338723] BUG: unable to handle kernel NULL pointer dereference at 00000000000004a0 [ 882.346639] IP: ip_route_output_key_hash_rcu+0x58c/0x7e0 [ 882.351962] PGD 0 [ 882.351963] P4D 0 [ 882.354008] [ 882.357552] Oops: 0000 [#1] SMP [ 882.360697] Modules linked in: [ 882.363758] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.13.16 #2 [ 882.369805] Hardware name: To be filled by O.E.M. CAR-2051/CAR, BIOS 1.01 07/11/2016 [ 882.377581] task: ffffffffa2c0e480 task.stack: ffffffffa2c00000 [ 882.383554] RIP: 0010:ip_route_output_key_hash_rcu+0x58c/0x7e0 [ 882.389410] RSP: 0018:ffff9c4f3fc03998 EFLAGS: 00010246 [ 882.394672] RAX: 0000000000000000 RBX: ffff9c4f3fc03aa8 RCX: 0000000000000000 [ 882.401854] RDX: 0000000000000000 RSI: 00000000146e640a RDI: 0000000000000000 [ 882.409014] RBP: ffff9c4f3fc039f8 R08: ffff9c4f365be800 R09: ffff9c4f36afa600 [ 882.416173] R10: 0000000000000000 R11: 0000000000000000 R12: ffff9c4f393de400 [ 882.423368] R13: ffff9c4f3fc03a08 R14: ffff9c4f3a836000 R15: 0000000000000001 [ 882.430551] FS: 0000000000000000(0000) GS:ffff9c4f3fc00000(0000) knlGS:0000000000000000 [ 882.438672] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 882.444479] CR2: 00000000000004a0 CR3: 0000000046c09000 CR4: 00000000001006f0 [ 882.451662] Call Trace: [ 882.454116] [ 882.456165] ip_route_output_key_hash+0x5b/0x80 [ 882.460731] ip_route_output_flow+0x19/0x50 [ 882.464944] icmp_reply.constprop.26+0x1fa/0x270 [ 882.469615] icmp_echo.part.24+0x58/0x70 [ 882.473564] icmp_echo+0x2b/0x40 [ 882.476822] icmp_rcv+0x272/0x3a0 [ 882.480171] ip_local_deliver_finish+0x9d/0x1e0 [ 882.484727] ip_local_deliver+0xc6/0xd0 [ 882.488592] ? ip_rcv_finish+0x3b0/0x3b0 [ 882.492544] ip_rcv_finish+0xd8/0x3b0 [ 882.496236] ip_rcv+0x2d0/0x3b0 [ 882.499410] ? inet_del_offload+0x40/0x40 [ 882.503450] __netif_receive_skb_core+0x43d/0xa90 [ 882.508207] __netif_receive_skb+0x18/0x70 [ 882.512330] ? inet_gro_receive+0x208/0x2b0 [ 882.516542] ? __netif_receive_skb+0x18/0x70 [ 882.520841] netif_receive_skb_internal+0x4d/0x340 [ 882.525660] ? dev_gro_receive+0x269/0x4a0 [ 882.529794] napi_gro_receive+0x77/0x90 [ 882.533661] igb_poll+0x603/0xe70 [ 882.536979] net_rx_action+0x1ce/0x2e0 [ 882.540750] __do_softirq+0xdd/0x1e0 [ 882.544356] irq_exit+0xab/0xb0 [ 882.547528] do_IRQ+0x4a/0xc0 [ 882.550528] common_interrupt+0x86/0x86 [ 882.554392] RIP: 0010:cpuidle_enter_state+0x162/0x200 [ 882.559467] RSP: 0018:ffffffffa2c03e00 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff3c [ 882.567088] RAX: ffff9c4f3fc181c0 RBX: ffff9c4f3fc209b8 RCX: 000000cd6f797bc1 [ 882.574244] RDX: 0000000000000000 RSI: 00000000355556ca RDI: 0000000000000000 [ 882.581403] RBP: ffffffffa2c03e30 R08: 0000000000000661 R09: 0000000000000018 [ 882.588589] R10: ffffffffa2c03de0 R11: 0000000000000070 R12: 000000cd6f797bc1 [ 882.595772] R13: 0000000000000002 R14: ffffffffa2c406b8 R15: 0000000000000002 [ 882.602931] [ 882.605040] cpuidle_enter+0x12/0x20 [ 882.608645] call_cpuidle+0x1e/0x30 [ 882.612163] do_idle+0xdc/0x170 [ 882.615308] cpu_startup_entry+0x6e/0x70 [ 882.619252] rest_init+0xab/0xb0 [ 882.622493] start_kernel+0x459/0x47a [ 882.626176] x86_64_start_reservations+0x24/0x26 [ 882.630857] x86_64_start_kernel+0x127/0x132 [ 882.635157] secondary_startup_64+0x9f/0x9f [ 882.639365] Code: ba fd 00 00 00 31 f6 4c 89 f7 e8 40 87 03 00 89 43 28 49 8b 45 10 45 31 db 45 0f b6 7d 06 48 89 45 c8 e9 70 fb ff ff 49 8b 04 24 <48> 8b 80 a0 04 00 00 8b 80 c0 04 00 00 41 39 84 24 a0 00 00 00 [ 882.658375] RIP: ip_route_output_key_hash_rcu+0x58c/0x7e0 RSP: ffff9c4f3fc03998 [ 882.665729] CR2: 00000000000004a0 [ 882.669068] ---[ end trace 7f7454a69472e2ac ]--- [ 882.673713] Kernel panic - not syncing: Fatal exception in interrupt [ 882.680212] Kernel Offset: 0x21000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 882.691064] Rebooting in 10 seconds..