bridge0: port 2(bridge_slave_1) entered disabled state bridge0: port 1(bridge_slave_0) entered disabled state BUG: MAX_LOCKDEP_KEYS too low! turning off the locking correctness validator. CPU: 1 PID: 11136 Comm: syz.4.1561 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: dump_stack_lvl+0x18c/0x250 lib/dump_stack.c:106 register_lock_class+0x6cc/0x8a0 kernel/locking/lockdep.c:1321 __lock_acquire+0x17c/0x7d80 kernel/locking/lockdep.c:5014 lock_acquire+0x19e/0x420 kernel/locking/lockdep.c:5756 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x36/0x50 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:356 [inline] dev_reset_queue+0xfa/0x1a0 include/net/sch_generic.h:716 netdev_for_each_tx_queue include/linux/netdevice.h:2534 [inline] dev_deactivate_many+0x6b5/0xcd0 net/sched/sch_generic.c:1351 __dev_close_many+0x166/0x2b0 net/core/dev.c:1590 dev_close_many+0x220/0x410 net/core/dev.c:1628 vlan_device_event+0x1817/0x1f10 net/8021q/vlan.c:476 notifier_call_chain+0x18f/0x380 kernel/notifier.c:93 call_netdevice_notifiers_extack net/core/dev.c:2077 [inline] call_netdevice_notifiers net/core/dev.c:2091 [inline] __dev_notify_flags+0x16f/0x310 net/core/dev.c:8788 dev_change_flags+0xde/0x1a0 net/core/dev.c:8824 do_setlink+0xb69/0x3f40 net/core/rtnetlink.c:2917 rtnl_group_changelink net/core/rtnetlink.c:3466 [inline] __rtnl_newlink net/core/rtnetlink.c:3725 [inline] rtnl_newlink+0x1145/0x2170 net/core/rtnetlink.c:3762 rtnetlink_rcv_msg+0x843/0xf90 net/core/rtnetlink.c:6484 netlink_rcv_skb+0x235/0x4c0 net/netlink/af_netlink.c:2550 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x7b1/0x930 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x8d0/0xbf0 net/netlink/af_netlink.c:1899 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] ____sys_sendmsg+0x61b/0x980 net/socket.c:2595 ___sys_sendmsg+0x2a6/0x360 net/socket.c:2649 __sys_sendmsg net/socket.c:2678 [inline] __do_sys_sendmsg net/socket.c:2687 [inline] __se_sys_sendmsg+0x1d0/0x2c0 net/socket.c:2685 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f3d86b9e159 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f3d87ab8028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f3d86e25fa0 RCX: 00007f3d86b9e159 RDX: 0000000000000000 RSI: 0000200000000040 RDI: 0000000000000004 RBP: 00007f3d86c3506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f3d86e26038 R14: 00007f3d86e25fa0 R15: 00007fff6f9c3498 batman_adv: batadv0: Interface deactivated: batadv_slave_0 batman_adv: batadv0: Interface deactivated: batadv_slave_1 netdevsim netdevsim4 netdevsim0: unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim4 netdevsim1: unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim4 netdevsim2: unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim4 netdevsim3: unset [1, 0] type 2 family 0 port 6081 - 0