SELinux: failure in selinux_parse_skb(), unable to parse packet Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: ffffffff8343602e CPU: 0 PID: 5941 Comm: syz-executor7 Not tainted 4.4.152-ge5c5f1f #25 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 73e0ee74bdeeeaeb ffff8800baa2f500 ffffffff81e15fed ffffffff83a44c60 00000000ffffffff ffff8800b6a30640 ffff8800baa2f840 0000000000001000 ffff8800baa2f5c0 ffffffff8140d424 0000000041b58ab3 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x124 lib/dump_stack.c:51 [] panic+0x19e/0x38d kernel/panic.c:112 [] __stack_chk_fail+0x22/0x30 kernel/panic.c:506 [] ip6_xmit+0x18ae/0x1a00 net/ipv6/ip6_output.c:256 [] inet6_csk_xmit+0x245/0x490 net/ipv6/inet6_connection_sock.c:176 [] l2tp_xmit_core net/l2tp/l2tp_core.c:1084 [inline] [] l2tp_xmit_skb+0xb9c/0xe80 net/l2tp/l2tp_core.c:1179 [] pppol2tp_sendmsg+0x4e0/0x7d0 net/l2tp/l2tp_ppp.c:355 [] sock_sendmsg_nosec net/socket.c:638 [inline] [] sock_sendmsg+0xcc/0x110 net/socket.c:648 [] ___sys_sendmsg+0x441/0x880 net/socket.c:1975 [] __sys_sendmmsg+0x1d4/0x2e0 net/socket.c:2053 [] C_SYSC_sendmmsg net/compat.c:728 [inline] [] compat_SyS_sendmmsg+0x32/0x40 net/compat.c:725 [] do_syscall_32_irqs_on arch/x86/entry/common.c:393 [inline] [] do_fast_syscall_32+0x324/0x8b0 arch/x86/entry/common.c:460 [] sysenter_flags_fixed+0xd/0x1a Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..