------------[ cut here ]------------
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: 25686 Comm: syz-executor2 Not tainted 4.14.0-rc1+ #51
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801d7bbe240 task.stack: ffff8801c2098000
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:ffff8801c209f700 EFLAGS: 00010212
RAX: 0000000000010000 RBX: ffff8801c25fc500 RCX: ffffc9000202e000
RDX: 0000000000000108 RSI: ffffffff844111f9 RDI: ffff8801c171cc48
RBP: ffff8801c209f740 R08: ffff8801c209f050 R09: ffff8801c209f048
R10: ffff8801c209efc0 R11: 1ffff1003af77edb R12: ffff8801c171cc40
R13: ffff8801c25fc500 R14: 0000000000000000 R15: ffff8801c209fd70
FS:  00007fc62c752700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020fc3ffc CR3: 00000001d4e29000 CR4: 00000000001406f0
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: 0033:0x4520a9
RSP: 002b:00007fc62c751c08 EFLAGS: 00000216 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00000000007180b0 RCX: 00000000004520a9
RDX: 0000000000000005 RSI: 0000000000000107 RDI: 0000000000000017
RBP: 0000000000000082 R08: 000000000000047e R09: 0000000000000000
R10: 0000000020001000 R11: 0000000000000216 R12: 0000000000000000
R13: 0000000000a6f7ef R14: 00007fc62c7529c0 R15: 0000000000000002
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 31 c6 2c fd 44 39 f3 75 cd e8 27 c6 2c fd <0f> 0b 31 c0 41 8d 5e ff 48 89 45 c0 e8 16 c6 2c fd 49 8d 7c dc 
RIP: __fanout_unlink net/packet/af_packet.c:1521 [inline] RSP: ffff8801c209f700
RIP: __unregister_prot_hook+0x139/0x280 net/packet/af_packet.c:367 RSP: ffff8801c209f700
---[ end trace 385ab7aca9acfb74 ]---
Kernel panic - not syncing: Fatal exception
Dumping ftrace buffer:
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Kernel Offset: disabled
Rebooting in 86400 seconds..