------------[ 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: 3133 Comm: syz-executor0 Not tainted 4.13.0-next-20170905+ #15 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 task: ffff88003d0d4340 task.stack: ffff880038890000 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:ffff880038897700 EFLAGS: 00010297 RAX: ffff88003d0d4340 RBX: 0000000000000001 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff84d40681 RDI: ffff88006babe628 RBP: ffff880038897740 R08: ffff880038897050 R09: ffff880038897048 R10: ffff880038896fc0 R11: 1ffff10007a1aafb R12: ffff88006babe600 R13: ffff88006a099280 R14: 0000000000000001 R15: dffffc0000000000 FS: 00007fc578de0700(0000) GS:ffff88003ec00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002052e000 CR3: 000000006875d000 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:00007fc578ddfc08 EFLAGS: 00000292 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 000000000000000b RCX: 0000000000447299 RDX: 0000000000000005 RSI: 0000000000000107 RDI: 000000000000000b RBP: 0000000000000082 R08: 000000000000047e R09: 0000000000000000 R10: 0000000020001000 R11: 0000000000000292 R12: 00000000ffffffff R13: 0000000000005300 R14: 00000000006e83c0 R15: 000000000000000a 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 d1 11 2d fd 44 39 f3 75 cd e8 c7 11 2d fd <0f> 0b 31 c0 41 8d 5e ff 48 89 45 c0 e8 b6 11 2d fd 49 8d 7c dc RIP: __fanout_unlink net/packet/af_packet.c:1521 [inline] RSP: ffff880038897700 RIP: __unregister_prot_hook+0x139/0x280 net/packet/af_packet.c:367 RSP: ffff880038897700 ---[ end trace 1effdae2b10aa999 ]--- Kernel panic - not syncing: Fatal exception Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..