bridge0: port 2(bridge_slave_1) entered disabled state bridge0: port 1(bridge_slave_0) entered disabled state BUG: MAX_LOCKDEP_CHAINS too low! turning off the locking correctness validator. CPU: 1 PID: 14116 Comm: syz.6.3073 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 Call trace: dump_backtrace+0x1c0/0x1ec arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack+0x30/0x40 lib/dump_stack.c:88 dump_stack_lvl+0xf4/0x15c lib/dump_stack.c:106 dump_stack+0x1c/0x5c lib/dump_stack.c:113 add_chain_cache kernel/locking/lockdep.c:-1 [inline] lookup_chain_cache_add kernel/locking/lockdep.c:3772 [inline] validate_chain kernel/locking/lockdep.c:3793 [inline] __lock_acquire+0x1864/0x6800 kernel/locking/lockdep.c:5049 lock_acquire+0x20c/0x63c kernel/locking/lockdep.c:5662 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x54/0x6c kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:356 [inline] dev_reset_queue+0x104/0x1f0 include/net/sch_generic.h:681 netdev_for_each_tx_queue include/linux/netdevice.h:2465 [inline] dev_deactivate_many+0x530/0xa84 net/sched/sch_generic.c:1349 __dev_close_many+0x248/0x3a0 net/core/dev.c:1572 __dev_close net/core/dev.c:1597 [inline] __dev_change_flags+0x260/0x564 net/core/dev.c:8674 dev_change_flags+0x80/0x15c net/core/dev.c:8748 do_setlink+0xa5c/0x3434 net/core/rtnetlink.c:2836 rtnl_group_changelink net/core/rtnetlink.c:3366 [inline] __rtnl_newlink net/core/rtnetlink.c:3623 [inline] rtnl_newlink+0xd04/0x1a54 net/core/rtnetlink.c:3660 rtnetlink_rcv_msg+0x698/0xcdc net/core/rtnetlink.c:6157 netlink_rcv_skb+0x218/0x3e8 net/netlink/af_netlink.c:2511 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6175 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x60c/0x814 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x6f4/0x9c0 net/netlink/af_netlink.c:1872 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x5c8/0x938 net/socket.c:2518 ___sys_sendmsg net/socket.c:2572 [inline] __sys_sendmsg+0x288/0x374 net/socket.c:2601 __do_sys_sendmsg net/socket.c:2610 [inline] __se_sys_sendmsg net/socket.c:2608 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2608 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 batman_adv: batadv0: Interface deactivated: batadv_slave_0 batman_adv: batadv0: Interface deactivated: batadv_slave_1 netdevsim netdevsim6 netdevsim0: unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim6 netdevsim1: unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim6 netdevsim2: unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim6 netdevsim3: unset [1, 0] type 2 family 0 port 6081 - 0