BUG: looking up invalid subclass: 8 turning off the locking correctness validator. CPU: 1 PID: 9044 Comm: syz-executor304 Not tainted 4.14.299-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 look_up_lock_class kernel/locking/lockdep.c:673 [inline] register_lock_class+0x660/0x1180 kernel/locking/lockdep.c:756 __lockdep_init_map+0x263/0x560 kernel/locking/lockdep.c:3277 vlan_dev_set_lockdep_class net/8021q/vlan_dev.c:509 [inline] vlan_dev_init+0x745/0xc00 net/8021q/vlan_dev.c:604 register_netdevice+0x291/0xe50 net/core/dev.c:7598 register_vlan_dev+0x287/0x6d0 net/8021q/vlan.c:168 vlan_newlink+0x3b9/0x510 net/8021q/vlan_netlink.c:165 rtnl_newlink+0xf7c/0x1830 net/core/rtnetlink.c:2730 rtnetlink_rcv_msg+0x3be/0xb10 net/core/rtnetlink.c:4322 netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2454 netlink_unicast_kernel net/netlink/af_netlink.c:1296 [inline] netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1322 netlink_sendmsg+0x648/0xbc0 net/netlink/af_netlink.c:1893 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xb5/0x100 net/socket.c:656 ___sys_sendmsg+0x6c8/0x800 net/socket.c:2062 __sys_sendmsg+0xa3/0x120 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x27/0x40 net/socket.c:2103 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 Dead loop on virtual device bridge_slave_1, fix it urgently! Dead loop on virtual device bridge_slave_0, fix it urgently! Dead loop on virtual device bridge_slave_1, fix it urgently! Dead loop on virtual device bridge_slave_0, fix it urgently! Dead loop on virtual device bond_slave_1, fix it urgently! Dead loop on virtual device bond_slave_0, fix it urgently! Dead loop on virtual device bridge_slave_1, fix it urgently! Dead loop on virtual device bridge_slave_0, fix it urgently! Dead loop on virtual device bridge_slave_1, fix it urgently! Dead loop on virtual device bridge_slave_0, fix it urgently! net_ratelimit: 2341 callbacks suppressed Dead loop on virtual device veth1_to_bond, fix it urgently! Dead loop on virtual device vlan240, fix it urgently! Dead loop on virtual device vlan87, fix it urgently! Dead loop on virtual device vlan171, fix it urgently! Dead loop on virtual device macsec0, fix it urgently! Dead loop on virtual device vlan175, fix it urgently! Dead loop on virtual device vlan169, fix it urgently! Dead loop on virtual device vlan203, fix it urgently! Dead loop on virtual device vlan159, fix it urgently! Dead loop on virtual device vlan187, fix it urgently!