kernel BUG at net/packet/af_packet.c:1521!
invalid opcode: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 20289 Comm: syz-executor0 Not tainted 4.13.0-next-20170908+ #18
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
task: ffff880068eb6680 task.stack: ffff8800687c0000
RIP: 0010:__fanout_unlink net/packet/af_packet.c:1521 [inline]
RIP: 0010:__unregister_prot_hook+0x139/0x280 net/packet/af_packet.c:367
RSP: 0018:ffff8800687c7700 EFLAGS: 00010297
RAX: ffff880068eb6680 RBX: 0000000000000001 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff84d3ff01 RDI: ffff88003a362828
RBP: ffff8800687c7740 R08: ffff8800687c7050 R09: ffff8800687c7048
R10: ffff8800687c6fc0 R11: 1ffff1000d1d6f63 R12: ffff88003a362800
R13: ffff880039e4a480 R14: 0000000000000001 R15: dffffc0000000000
FS:  00007f2c132a1700(0000) GS:ffff88003ec00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000204fbfe4 CR3: 000000003dded000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 packet_set_ring+0xe7c/0x1b70 net/packet/af_packet.c:4305
 packet_setsockopt+0x6cd/0x1e80 net/packet/af_packet.c:3660
 SYSC_setsockopt net/socket.c:1852 [inline]
 SyS_setsockopt+0x189/0x360 net/socket.c:1831
 entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x447299
RSP: 002b:00007f2c132a0c08 EFLAGS: 00000292 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000000447299
RDX: 000000000000000d RSI: 0000000000000107 RDI: 0000000000000006
RBP: 0000000000000082 R08: 000000000000001c R09: 0000000000000000
R10: 00000000204fbfe4 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f2c132a19c0 R15: 00007f2c132a1700
Code: 48 89 fa 48 c1 ea 03 42 80 3c 3a 00 0f 85 4e 01 00 00 4d 3b 6c c4 28 74 16 83 c3 01 e8 81 1b 2d fd 44 39 f3 75 cd e8 77 1b 2d fd <0f> 0b 31 c0 41 8d 5e ff 48 89 45 c0 e8 66 1b 2d fd 49 8d 7c dc 
RIP: __fanout_unlink net/packet/af_packet.c:1521 [inline] RSP: ffff8800687c7700
RIP: __unregister_prot_hook+0x139/0x280 net/packet/af_packet.c:367 RSP: ffff8800687c7700
---[ end trace 6f0b418b2de29ddd ]---
Kernel panic - not syncing: Fatal exception
Dumping ftrace buffer:
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Kernel Offset: disabled
Rebooting in 86400 seconds..