: renamed from syz6
------------[ 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: 6572 Comm: syz-executor7 Not tainted 4.13.0+ #43
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801d57a2100 task.stack: ffff8801c34c8000
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:ffff8801c34cf700 EFLAGS: 00010216
RAX: 0000000000010000 RBX: 0000000000000001 RCX: ffffc90003180000
RDX: 00000000000001a6 RSI: ffffffff8440b089 RDI: ffff8801c506e568
RBP: ffff8801c34cf740 R08: ffff8801c34cf050 R09: ffff8801c34cf048
R10: ffff8801c34cefc0 R11: 1ffff1003aaf46b3 R12: ffff8801c506e540
R13: ffff8801ce00f440 R14: 0000000000000001 R15: dffffc0000000000
FS:  00007f130d981700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001000 CR3: 00000001d0221000 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:00007f130d980c08 EFLAGS: 00000216 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00000000007180b0 RCX: 0000000000451e59
RDX: 0000000000000005 RSI: 0000000000000107 RDI: 0000000000000017
RBP: 0000000000000082 R08: 000000000000047e R09: 0000000000000000
R10: 0000000020001000 R11: 0000000000000216 R12: 00000000004b7113
R13: 00000000ffffffff R14: 0000000000000000 R15: 0000000020000000
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 51 20 2d fd 44 39 f3 75 cd e8 47 20 2d fd <0f> 0b 31 c0 41 8d 5e ff 48 89 45 c0 e8 36 20 2d fd 49 8d 7c dc 
RIP: __fanout_unlink net/packet/af_packet.c:1521 [inline] RSP: ffff8801c34cf700
RIP: __unregister_prot_hook+0x139/0x280 net/packet/af_packet.c:367 RSP: ffff8801c34cf700
---[ end trace 1e43b0566afb2d5d ]---
Kernel panic - not syncing: Fatal exception
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..