------------[ 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: 4235 Comm: syz-executor5 Not tainted 4.13.0+ #42 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801c44f61c0 task.stack: ffff8801c4928000 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:ffff8801c492f700 EFLAGS: 00010212 RAX: 0000000000010000 RBX: ffff8801c46dd740 RCX: ffffc90003f56000 RDX: 00000000000001a3 RSI: ffffffff843da079 RDI: ffff8801c46dec48 RBP: ffff8801c492f740 R08: ffff8801c492f050 R09: ffff8801c492f048 R10: ffff8801c492efc0 R11: 1ffff1003889eecb R12: ffff8801c46dec40 R13: ffff8801c46dd740 R14: 0000000000000000 R15: ffff8801c492fd70 FS: 00007f65279f9700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001000 CR3: 00000001c6f15000 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:00007f65279f8c08 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: 0000000020d16fec 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 21 e7 2f fd 44 39 f3 75 cd e8 17 e7 2f fd <0f> 0b 31 c0 41 8d 5e ff 48 89 45 c0 e8 06 e7 2f fd 49 8d 7c dc RIP: __fanout_unlink net/packet/af_packet.c:1521 [inline] RSP: ffff8801c492f700 RIP: __unregister_prot_hook+0x139/0x280 net/packet/af_packet.c:367 RSP: ffff8801c492f700 ---[ end trace 3ef51690bb7bd9fa ]--- Kernel panic - not syncing: Fatal exception Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..