arp_tables: arptables: counters copy to user failed while replacing table Dead loop on virtual device tunl0, fix it urgently! Dead loop on virtual device tunl0, fix it urgently! Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: 0000000061020920 CPU: 0 PID: 4231 Comm: syz-executor3 Not tainted 4.16.0-rc2+ #241 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x24d lib/dump_stack.c:53 panic+0x1e4/0x41c kernel/panic.c:183 __stack_chk_fail+0x22/0x30 kernel/panic.c:643 do_ipt_get_ctl+0x9bf/0xac0 net/ipv4/netfilter/ip_tables.c:1743 nf_sockopt net/netfilter/nf_sockopt.c:104 [inline] nf_getsockopt+0x6a/0xc0 net/netfilter/nf_sockopt.c:122 ip_getsockopt+0x152/0x200 net/ipv4/ip_sockglue.c:1572 tcp_getsockopt+0x82/0xd0 net/ipv4/tcp.c:3332 sock_common_getsockopt+0x95/0xd0 net/core/sock.c:2938 SYSC_getsockopt net/socket.c:1881 [inline] SyS_getsockopt+0x178/0x340 net/socket.c:1863 do_syscall_64+0x280/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4568ba RSP: 002b:0000000000a3e3b8 EFLAGS: 00000202 ORIG_RAX: 0000000000000037 RAX: ffffffffffffffda RBX: 0000000000a3e3e0 RCX: 00000000004568ba RDX: 0000000000000041 RSI: 0000000000000000 RDI: 0000000000000013 RBP: 00000000006ff8a0 R08: 0000000000a3e3dc R09: 0000000000004000 R10: 0000000000a3e4e0 R11: 0000000000000202 R12: 0000000000000000 R13: 0000000000000013 R14: 0000000000000000 R15: 00000000006fdda0 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..