kernel msg: ebtables bug: please report to author: Wrong len argument
x_tables: ip_tables: CT target: only valid in raw table, not rawèÝNP

============================================
WARNING: possible recursive locking detected
4.16.0-rc2+ #247 Not tainted
kernel msg: ebtables bug: please report to author: Wrong len argument
--------------------------------------------
syz-executor0/5652 is trying to acquire lock:
 (_xmit_ETHER#2){+.-.}, at: [<00000000e8ae3ef9>] spin_lock include/linux/spinlock.h:310 [inline]
 (_xmit_ETHER#2){+.-.}, at: [<00000000e8ae3ef9>] __netif_tx_lock include/linux/netdevice.h:3567 [inline]
 (_xmit_ETHER#2){+.-.}, at: [<00000000e8ae3ef9>] sch_direct_xmit+0x361/0x1140 net/sched/sch_generic.c:325

but task is already holding lock:
 (_xmit_ETHER#2){+.-.}, at: [<00000000e8ae3ef9>] spin_lock include/linux/spinlock.h:310 [inline]
 (_xmit_ETHER#2){+.-.}, at: [<00000000e8ae3ef9>] __netif_tx_lock include/linux/netdevice.h:3567 [inline]
 (_xmit_ETHER#2){+.-.}, at: [<00000000e8ae3ef9>] sch_direct_xmit+0x361/0x1140 net/sched/sch_generic.c:325

other info that might help us debug this:
 Possible unsafe locking scenario:

       CPU0
       ----
  lock(_xmit_ETHER#2);
  lock(_xmit_ETHER#2);

 *** DEADLOCK ***

 May be due to missing lock nesting notation

11 locks held by syz-executor0/5652:
 #0:  (sk_lock-AF_INET){+.+.}, at: [<00000000ff92f864>] lock_sock include/net/sock.h:1464 [inline]
 #0:  (sk_lock-AF_INET){+.+.}, at: [<00000000ff92f864>] sctp_sendmsg+0xc1e/0x35e0 net/sctp/socket.c:1723
 #1:  (rcu_read_lock){....}, at: [<00000000143d0d55>] read_pnet include/net/net_namespace.h:284 [inline]
 #1:  (rcu_read_lock){....}, at: [<00000000143d0d55>] sock_net include/net/sock.h:2297 [inline]
 #1:  (rcu_read_lock){....}, at: [<00000000143d0d55>] ip_queue_xmit+0x9e/0x18e0 net/ipv4/ip_output.c:429
 #2:  (rcu_read_lock_bh){....}, at: [<00000000781c62e0>] lwtunnel_xmit_redirect include/net/lwtunnel.h:92 [inline]
 #2:  (rcu_read_lock_bh){....}, at: [<00000000781c62e0>] ip_finish_output2+0x2aa/0x1550 net/ipv4/ip_output.c:213
 #3:  (rcu_read_lock_bh){....}, at: [<000000008e389153>] __dev_queue_xmit+0x2f6/0x2f30 net/core/dev.c:3483
 #4:  (rcu_read_lock){....}, at: [<00000000600d50c0>] br_dev_xmit+0x11d/0x1550 net/bridge/br_device.c:43
 #5:  (rcu_read_lock_bh){....}, at: [<000000008e389153>] __dev_queue_xmit+0x2f6/0x2f30 net/core/dev.c:3483
 #6:  (_xmit_ETHER#2){+.-.}, at: [<00000000e8ae3ef9>] spin_lock include/linux/spinlock.h:310 [inline]
 #6:  (_xmit_ETHER#2){+.-.}, at: [<00000000e8ae3ef9>] __netif_tx_lock include/linux/netdevice.h:3567 [inline]
 #6:  (_xmit_ETHER#2){+.-.}, at: [<00000000e8ae3ef9>] sch_direct_xmit+0x361/0x1140 net/sched/sch_generic.c:325
 #7:  (rcu_read_lock_bh){....}, at: [<00000000781c62e0>] lwtunnel_xmit_redirect include/net/lwtunnel.h:92 [inline]
 #7:  (rcu_read_lock_bh){....}, at: [<00000000781c62e0>] ip_finish_output2+0x2aa/0x1550 net/ipv4/ip_output.c:213
 #8:  (rcu_read_lock_bh){....}, at: [<000000008e389153>] __dev_queue_xmit+0x2f6/0x2f30 net/core/dev.c:3483
 #9:  (rcu_read_lock){....}, at: [<00000000600d50c0>] br_dev_xmit+0x11d/0x1550 net/bridge/br_device.c:43
 #10:  (rcu_read_lock_bh){....}, at: [<000000008e389153>] __dev_queue_xmit+0x2f6/0x2f30 net/core/dev.c:3483

stack backtrace:
CPU: 0 PID: 5652 Comm: syz-executor0 Not tainted 4.16.0-rc2+ #247
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
 print_deadlock_bug kernel/locking/lockdep.c:1761 [inline]
 check_deadlock kernel/locking/lockdep.c:1805 [inline]
 validate_chain kernel/locking/lockdep.c:2401 [inline]
 __lock_acquire+0xe8f/0x3e00 kernel/locking/lockdep.c:3431
 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:3920
 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
 _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:144
 spin_lock include/linux/spinlock.h:310 [inline]
 __netif_tx_lock include/linux/netdevice.h:3567 [inline]
 sch_direct_xmit+0x361/0x1140 net/sched/sch_generic.c:325
 qdisc_restart net/sched/sch_generic.c:393 [inline]
 __qdisc_run+0x57d/0x19c0 net/sched/sch_generic.c:401
 __dev_xmit_skb net/core/dev.c:3217 [inline]
 __dev_queue_xmit+0xd5e/0x2f30 net/core/dev.c:3517
 dev_queue_xmit+0x17/0x20 net/core/dev.c:3582
 br_dev_queue_push_xmit+0x196/0x5a0 net/bridge/br_forward.c:55
 NF_HOOK include/linux/netfilter.h:288 [inline]
 br_forward_finish+0xc8/0x530 net/bridge/br_forward.c:67
 NF_HOOK include/linux/netfilter.h:288 [inline]
 __br_forward+0x533/0xc80 net/bridge/br_forward.c:112
 br_flood+0x665/0x770 net/bridge/br_forward.c:225
 br_dev_xmit+0xa68/0x1550 net/bridge/br_device.c:87
 __netdev_start_xmit include/linux/netdevice.h:4072 [inline]
 netdev_start_xmit include/linux/netdevice.h:4081 [inline]
 xmit_one net/core/dev.c:3026 [inline]
 dev_hard_start_xmit+0x24e/0xac0 net/core/dev.c:3042
 __dev_queue_xmit+0x2637/0x2f30 net/core/dev.c:3549
 dev_queue_xmit+0x17/0x20 net/core/dev.c:3582
 neigh_hh_output include/net/neighbour.h:472 [inline]
 neigh_output include/net/neighbour.h:480 [inline]
 ip_finish_output2+0xf4d/0x1550 net/ipv4/ip_output.c:229
 ip_finish_output+0x864/0xd10 net/ipv4/ip_output.c:317
 NF_HOOK_COND include/linux/netfilter.h:277 [inline]
 ip_output+0x1d2/0x860 net/ipv4/ip_output.c:405
 dst_output include/net/dst.h:443 [inline]
 ip_local_out+0x95/0x160 net/ipv4/ip_output.c:124
 iptunnel_xmit+0x556/0x810 net/ipv4/ip_tunnel_core.c:91
 ip_tunnel_xmit+0x193b/0x37d0 net/ipv4/ip_tunnel.c:776
 __gre_xmit+0x546/0x8b0 net/ipv4/ip_gre.c:449
 erspan_xmit+0x779/0x22b0 net/ipv4/ip_gre.c:728
 __netdev_start_xmit include/linux/netdevice.h:4072 [inline]
 netdev_start_xmit include/linux/netdevice.h:4081 [inline]
 xmit_one net/core/dev.c:3026 [inline]
 dev_hard_start_xmit+0x24e/0xac0 net/core/dev.c:3042
 sch_direct_xmit+0x40d/0x1140 net/sched/sch_generic.c:327
 qdisc_restart net/sched/sch_generic.c:393 [inline]
 __qdisc_run+0x57d/0x19c0 net/sched/sch_generic.c:401
 __dev_xmit_skb net/core/dev.c:3217 [inline]
 __dev_queue_xmit+0xd5e/0x2f30 net/core/dev.c:3517
 dev_queue_xmit+0x17/0x20 net/core/dev.c:3582
 br_dev_queue_push_xmit+0x196/0x5a0 net/bridge/br_forward.c:55
 NF_HOOK include/linux/netfilter.h:288 [inline]
 br_forward_finish+0xc8/0x530 net/bridge/br_forward.c:67
 NF_HOOK include/linux/netfilter.h:288 [inline]
 __br_forward+0x533/0xc80 net/bridge/br_forward.c:112
 br_flood+0x665/0x770 net/bridge/br_forward.c:225
 br_dev_xmit+0xa68/0x1550 net/bridge/br_device.c:87
 __netdev_start_xmit include/linux/netdevice.h:4072 [inline]
 netdev_start_xmit include/linux/netdevice.h:4081 [inline]
 xmit_one net/core/dev.c:3026 [inline]
 dev_hard_start_xmit+0x24e/0xac0 net/core/dev.c:3042
 __dev_queue_xmit+0x2637/0x2f30 net/core/dev.c:3549
 dev_queue_xmit+0x17/0x20 net/core/dev.c:3582
 neigh_resolve_output+0x5e2/0xa00 net/core/neighbour.c:1350
 neigh_output include/net/neighbour.h:482 [inline]
 ip_finish_output2+0x91a/0x1550 net/ipv4/ip_output.c:229
 ip_finish_output+0x864/0xd10 net/ipv4/ip_output.c:317
 NF_HOOK_COND include/linux/netfilter.h:277 [inline]
 ip_output+0x1d2/0x860 net/ipv4/ip_output.c:405
 dst_output include/net/dst.h:443 [inline]
 ip_local_out+0x95/0x160 net/ipv4/ip_output.c:124
 ip_queue_xmit+0x8c0/0x18e0 net/ipv4/ip_output.c:504
 sctp_v4_xmit+0x108/0x140 net/sctp/protocol.c:992
 sctp_packet_transmit+0x225e/0x3750 net/sctp/output.c:638
 sctp_outq_flush+0xabb/0x4060 net/sctp/outqueue.c:911
 sctp_outq_uncork+0x5a/0x70 net/sctp/outqueue.c:776
 sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1807 [inline]
 sctp_side_effects net/sctp/sm_sideeffect.c:1210 [inline]
 sctp_do_sm+0x4e0/0x6ed0 net/sctp/sm_sideeffect.c:1181
 sctp_primitive_ASSOCIATE+0x9d/0xd0 net/sctp/primitive.c:88
 sctp_sendmsg+0x13bd/0x35e0 net/sctp/socket.c:1985
 inet_sendmsg+0x11f/0x5e0 net/ipv4/af_inet.c:763
 sock_sendmsg_nosec net/socket.c:629 [inline]
 sock_sendmsg+0xca/0x110 net/socket.c:639
 SYSC_sendto+0x361/0x5c0 net/socket.c:1748
 SyS_sendto+0x40/0x50 net/socket.c:1716
 do_syscall_64+0x280/0x940 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x453d69
RSP: 002b:00007fb059b28c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fb059b296d4 RCX: 0000000000453d69
RDX: 0000000000000001 RSI: 0000000020000100 RDI: 0000000000000013
RBP: 000000000072bea0 R08: 0000000020000200 R09: 0000000000000010
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000004ca R14: 00000000006f7390 R15: 0000000000000000
x_tables: ip_tables: CT target: only valid in raw table, not rawèÝNP
x_tables: ip_tables: CT target: only valid in raw table, not rawèÝNP
kernel msg: ebtables bug: please report to author: Wrong len argument