------------[ 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: 16685 Comm: syz-executor5 Not tainted 4.14.0-rc1+ #53 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801d1bc6440 task.stack: ffff8801c1508000 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:ffff8801c150f700 EFLAGS: 00010216 RAX: 0000000000010000 RBX: 0000000000000001 RCX: ffffc90003466000 RDX: 000000000000010a RSI: ffffffff844111f9 RDI: ffff8801a9b9e028 RBP: ffff8801c150f740 R08: ffff8801c150f050 R09: ffff8801c150f048 R10: ffff8801c150efc0 R11: 1ffff1003a378f1b R12: ffff8801a9b9e000 R13: ffff8801c0cd4c40 R14: 0000000000000001 R15: dffffc0000000000 FS: 00007f05f0832700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000a70030 CR3: 00000001c1b8f000 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:00007f05f0831c08 EFLAGS: 00000216 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00000000007180b0 RCX: 00000000004520a9 RDX: 0000000000000005 RSI: 0000000000000107 RDI: 000000000000001b RBP: 0000000000000082 R08: 000000000000047e R09: 0000000000000000 R10: 0000000020001000 R11: 0000000000000216 R12: 0000000000000000 R13: 0000000000a6f7ef R14: 00007f05f08329c0 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: ffff8801c150f700 RIP: __unregister_prot_hook+0x139/0x280 net/packet/af_packet.c:367 RSP: ffff8801c150f700 ---[ end trace c17b813cf2369b77 ]--- Kernel panic - not syncing: Fatal exception Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..