BUG: unable to handle kernel NULL pointer dereference at 0000000000000286
IP: 0x286
PGD 3af6d067 
P4D 3af6d067 
PUD 3c599067 
PMD 0 

Oops: 0010 [#1] SMP KASAN
Dumping ftrace buffer:
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Modules linked in:
CPU: 0 PID: 1196 Comm: kworker/u8:1 Not tainted 4.13.0-rc6-next-20170825+ #9
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
Workqueue: kstrp strp_work
PF_BRIDGE: RTM_SETLINK with unknown ifindex
task: ffff88003ac062c0 task.stack: ffff88003b3f8000
RIP: 0010:0x286
RSP: 0018:ffff88003b3ff520 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff880032e79b78 RCX: 0000000000000000
RDX: 1ffff100065cf381 RSI: ffffffff85b37b20 RDI: ffff880032e79a48
RBP: ffff88003b3ff538 R08: ffff88003b3fee98 R09: ffff88003b3feea8
R10: ffff88003b3fee20 R11: 1ffff10007580eeb R12: ffff880032e79a48
R13: ffff88003bb3c918 R14: ffff88003b3ff980 R15: ffff88003bb3c900
FS:  0000000000000000(0000) GS:ffff88003ec00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000286 CR3: 000000003dfb9000 CR4: 00000000000006f0
DR0: 0000000020000000 DR1: 0000000000000000 DR2: 0000000000000007
DR3: 0000000000000008 DR6: 00000000ffff0ff0 DR7: 0000000000000600
PF_BRIDGE: RTM_SETLINK with unknown ifindex
Call Trace:
 process_one_work+0xbfd/0x1be0 kernel/workqueue.c:2098
 worker_thread+0x223/0x1860 kernel/workqueue.c:2233
 kthread+0x39c/0x470 kernel/kthread.c:231
 ret_from_fork+0x2a/0x40 arch/x86/entry/entry_64.S:431
Code:  Bad RIP value.
RIP: 0x286 RSP: ffff88003b3ff520
CR2: 0000000000000286
---[ end trace 6e1c5d49142afea3 ]---
Kernel panic - not syncing: Fatal exception
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Kernel Offset: disabled
Rebooting in 86400 seconds..