device gre0 entered promiscuous mode
?: renamed from tunl0
------------[ cut here ]------------
kernel BUG at net/packet/af_packet.c:1515!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 1 PID: 8840 Comm: syz-executor2 Not tainted 4.9.52-g3217ccc #58
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801ca741800 task.stack: ffff8801cefa8000
RIP: 0010:[<ffffffff83547649>]  [<ffffffff83547649>] __fanout_unlink net/packet/af_packet.c:1515 [inline]
RIP: 0010:[<ffffffff83547649>]  [<ffffffff83547649>] __unregister_prot_hook+0x139/0x280 net/packet/af_packet.c:369
RSP: 0018:ffff8801cefafac8  EFLAGS: 00010212
RAX: ffffffff83547649 RBX: 0000000000000001 RCX: ffffc90000a32000
RDX: 0000000000000068 RSI: 0000000000000000 RDI: ffff8801cbac1128
RBP: ffff8801cefafb08 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 1ffff10039df5f22 R12: ffff8801cbac1100
R13: ffff8801c64fa200 R14: 0000000000000001 R15: dffffc0000000000
FS:  00007ff60b8a4700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020ee9000 CR3: 00000001c7efd000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffff8801c64fa870 ffff8801cbac1928 0000000000000000 ffff8801c64fa200
 ffff8801c64fa690 0000000000000000 ffff8801c64fa668 ffff8801cefafd80
 ffff8801cefafc50 ffffffff8354acbc 0000000041b58ab3 ffffffff84180008
Call Trace:
 [<ffffffff8354acbc>] packet_set_ring+0xd6c/0x18b0 net/packet/af_packet.c:4300
 [<ffffffff8354d774>] packet_setsockopt+0x554/0x2240 net/packet/af_packet.c:3660
 [<ffffffff82ed41e0>] SYSC_setsockopt net/socket.c:1771 [inline]
 [<ffffffff82ed41e0>] SyS_setsockopt+0x160/0x250 net/socket.c:1750
 [<ffffffff838ad645>] entry_SYSCALL_64_fastpath+0x23/0xc6
Code: 48 89 fa 48 c1 ea 03 42 80 3c 3a 00 0f 85 4a 01 00 00 4d 3b 6c c4 28 74 16 e8 74 30 e2 fd 83 c3 01 44 39 f3 75 cd e8 67 30 e2 fd <0f> 0b 31 c0 41 8d 5e ff 48 89 45 c0 e8 56 30 e2 fd 49 8d 7c dc 
RIP  [<ffffffff83547649>] __fanout_unlink net/packet/af_packet.c:1515 [inline]
RIP  [<ffffffff83547649>] __unregister_prot_hook+0x139/0x280 net/packet/af_packet.c:369
 RSP <ffff8801cefafac8>
---[ end trace 1b19414e544e0209 ]---
Kernel panic - not syncing: Fatal exception
Dumping ftrace buffer:
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Kernel Offset: disabled
Rebooting in 86400 seconds..