RDS: rds_bind could not find a transport for 172.20.20.187, load rds_tcp or rds_rdma? SELinux: unrecognized netlink message: protocol=6 nlmsg_type=0 sclass=netlink_xfrm_socket pig=22057 comm=syz-executor.0 SELinux: unrecognized netlink message: protocol=6 nlmsg_type=0 sclass=netlink_xfrm_socket pig=22057 comm=syz-executor.0 refcount_t: increment on 0; use-after-free. ------------[ cut here ]------------ WARNING: CPU: 1 PID: 22048 at lib/refcount.c:153 refcount_inc lib/refcount.c:153 [inline] WARNING: CPU: 1 PID: 22048 at lib/refcount.c:153 refcount_inc.cold+0x18/0x1f lib/refcount.c:151 SELinux: unrecognized netlink message: protocol=6 nlmsg_type=0 sclass=netlink_xfrm_socket pig=22057 comm=syz-executor.0 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 22048 Comm: syz-executor.3 Not tainted 4.14.127 #21 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+0x138/0x19c lib/dump_stack.c:53 panic+0x1f2/0x426 kernel/panic.c:182 SELinux: unrecognized netlink message: protocol=6 nlmsg_type=0 sclass=netlink_xfrm_socket pig=22057 comm=syz-executor.0 __warn.cold+0x2f/0x36 kernel/panic.c:546 report_bug+0x216/0x254 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:177 [inline] fixup_bug arch/x86/kernel/traps.c:172 [inline] do_error_trap+0x1bb/0x310 arch/x86/kernel/traps.c:295 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:314 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:960 RIP: 0010:refcount_inc lib/refcount.c:153 [inline] RIP: 0010:refcount_inc.cold+0x18/0x1f lib/refcount.c:151 RSP: 0018:ffff888068437b70 EFLAGS: 00010286 SELinux: unrecognized netlink message: protocol=6 nlmsg_type=0 sclass=netlink_xfrm_socket pig=22057 comm=syz-executor.0 RAX: 000000000000002b RBX: ffff888068020248 RCX: 0000000000000000 RDX: 0000000000008149 RSI: ffffffff814afdb5 RDI: ffffed100d086f64 RBP: ffff888068437b78 R08: 000000000000002b R09: ffff8880980c8e70 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88809e582180 R13: 0000000000000000 R14: ffff88809bfd0360 R15: ffff88809bfd0340 sock_hold include/net/sock.h:619 [inline] l2tp_session_add_to_tunnel net/l2tp/l2tp_core.c:368 [inline] l2tp_session_create+0x118b/0x1600 net/l2tp/l2tp_core.c:1846 pppol2tp_connect+0x11bf/0x18b0 net/l2tp/l2tp_ppp.c:721 SELinux: unrecognized netlink message: protocol=6 nlmsg_type=0 sclass=netlink_xfrm_socket pig=22057 comm=syz-executor.0 SELinux: unrecognized netlink message: protocol=6 nlmsg_type=0 sclass=netlink_xfrm_socket pig=22057 comm=syz-executor.0 SYSC_connect+0x1f6/0x2d0 net/socket.c:1655 SELinux: unrecognized netlink message: protocol=6 nlmsg_type=0 sclass=netlink_xfrm_socket pig=22057 comm=syz-executor.0 SyS_connect+0x24/0x30 net/socket.c:1636 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4592c9 RSP: 002b:00007f2c1eeb1c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a SELinux: unrecognized netlink message: protocol=6 nlmsg_type=0 sclass=netlink_xfrm_socket pig=22057 comm=syz-executor.0 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004592c9 RDX: 000000000000002e RSI: 0000000020000040 RDI: 0000000000000006 RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2c1eeb26d4 R13: 00000000004bf7cf R14: 00000000004d0f68 R15: 00000000ffffffff Kernel Offset: disabled Rebooting in 86400 seconds..