dev_remove_pack: ffff8801c2046b40 not found dev_remove_pack: ffff8801d4daabc0 not found ------------[ 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: 1 PID: 6421 Comm: syz-executor0 Not tainted 4.13.0+ #42 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801d3a323c0 task.stack: ffff8801d7890000 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:ffff8801d7897700 EFLAGS: 00010297 RAX: ffff8801d3a323c0 RBX: 0000000000000007 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff84d09f01 RDI: ffff8801ceb021d8 RBP: ffff8801d7897740 R08: ffff8801d7897050 R09: ffff8801d7897048 R10: ffff8801d7896fc0 R11: 1ffff1003a74670b R12: ffff8801ceb02180 R13: ffff8801d561f280 R14: 0000000000000007 R15: dffffc0000000000 FS: 00007f9f844a2700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000204fbfe4 CR3: 00000001ccc09000 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:00007f9f844a1c08 EFLAGS: 00000216 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000718000 RCX: 0000000000451e59 RDX: 000000000000000d RSI: 0000000000000107 RDI: 0000000000000009 RBP: 0000000000000082 R08: 000000000000001c R09: 0000000000000000 R10: 00000000204fbfe4 R11: 0000000000000216 R12: 00000000004bc0f0 R13: 00000000ffffffff R14: ffffffffffffffff R15: 0000000000000000 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: ffff8801d7897700 RIP: __unregister_prot_hook+0x139/0x280 net/packet/af_packet.c:367 RSP: ffff8801d7897700 ---[ end trace d515bba93e91fc42 ]--- Kernel panic - not syncing: Fatal exception Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..