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: 4526 Comm: syz-executor7 Not tainted 4.13.0+ #42
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801c6410580 task.stack: ffff8801c6b00000
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:ffff8801c6b07700 EFLAGS: 00010297
RAX: ffff8801c6410580 RBX: 0000000000000005 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff84d09f01 RDI: ffff8801c922c3c8
RBP: ffff8801c6b07740 R08: ffff8801c6b07050 R09: ffff8801c6b07048
R10: ffff8801c6b06fc0 R11: 1ffff10038c82343 R12: ffff8801c922c380
R13: ffff8801c7fd2c00 R14: 0000000000000005 R15: dffffc0000000000
FS:  00007f88945d0700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000204fbfe4 CR3: 00000001c7243000 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: 0033:0x451e59
RSP: 002b:00007f88945cfc08 EFLAGS: 00000216 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000718000 RCX: 0000000000451e59
RDX: 000000000000000d RSI: 0000000000000107 RDI: 0000000000000007
RBP: 0000000000000082 R08: 000000000000001c R09: 0000000000000000
R10: 00000000204fbfe4 R11: 0000000000000216 R12: 00000000004b7d9c
R13: 00000000ffffffff R14: 0000000020ffb000 R15: 0000000000001000
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 21 e7 2f fd 44 39 f3 75 cd e8 17 e7 2f fd <0f> 0b 31 c0 41 8d 5e ff 48 89 45 c0 e8 06 e7 2f fd 49 8d 7c dc 
RIP: __fanout_unlink net/packet/af_packet.c:1521 [inline] RSP: ffff8801c6b07700
RIP: __unregister_prot_hook+0x139/0x280 net/packet/af_packet.c:367 RSP: ffff8801c6b07700
---[ end trace b403a22705ca9d6e ]---
Kernel panic - not syncing: Fatal exception
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..