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: 1 PID: 3503 Comm: syz-executor5 Not tainted 4.13.0-mm1+ #7 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801cbcee140 task.stack: ffff8801cbc48000 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:ffff8801cbc4f700 EFLAGS: 00010297 RAX: ffff8801cbcee140 RBX: ffff8801cbcbd3c0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff84d438c1 RDI: ffff8801cc716688 RBP: ffff8801cbc4f740 R08: ffff8801cbc4f050 R09: ffff8801cbc4f048 R10: ffff8801cbc4efc0 R11: 1ffff1003979debb R12: ffff8801cc716680 R13: ffff8801cbcbd3c0 R14: 0000000000000000 R15: ffff8801cbc4fd70 FS: 00007f69aea96700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd40b2e848 CR3: 00000001cf150000 CR4: 00000000001406e0 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:00007f69aea95c08 EFLAGS: 00000216 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00000000007180b0 RCX: 0000000000451e59 RDX: 0000000000000005 RSI: 0000000000000107 RDI: 0000000000000004 RBP: 0000000000000082 R08: 000000000000047e R09: 0000000000000000 R10: 0000000020001000 R11: 0000000000000216 R12: 0000000000000000 R13: 00007ffc1177121f R14: 00007f69aea969c0 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 71 d8 2c fd 44 39 f3 75 cd e8 67 d8 2c fd <0f> 0b 31 c0 41 8d 5e ff 48 89 45 c0 e8 56 d8 2c fd 49 8d 7c dc RIP: __fanout_unlink net/packet/af_packet.c:1521 [inline] RSP: ffff8801cbc4f700 RIP: __unregister_prot_hook+0x139/0x280 net/packet/af_packet.c:367 RSP: ffff8801cbc4f700 ---[ end trace 520de4ce9d5c559e ]--- Kernel panic - not syncing: Fatal exception Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..