bridge0: port 1(bridge_slave_0) entered disabled state device veth0_macvtap left promiscuous mode device veth1_vlan left promiscuous mode device veth0_vlan left promiscuous mode BUG: MAX_LOCKDEP_CHAINS too low! turning off the locking correctness validator. CPU: 0 PID: 6506 Comm: kworker/u4:12 Not tainted 6.1.119-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: netns cleanup_net Call trace: dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 dump_stack+0x1c/0x58 lib/dump_stack.c:113 lookup_chain_cache_add kernel/locking/lockdep.c:3772 [inline] validate_chain kernel/locking/lockdep.c:3793 [inline] __lock_acquire+0x1b88/0x7680 kernel/locking/lockdep.c:5049 lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5662 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x6c/0xb4 kernel/locking/spinlock.c:162 get_partial_node+0x44/0x3cc mm/slub.c:2210 get_partial mm/slub.c:2325 [inline] ___slab_alloc+0x684/0xee0 mm/slub.c:3175 __slab_alloc mm/slub.c:3279 [inline] slab_alloc_node mm/slub.c:3364 [inline] __kmem_cache_alloc_node+0x2c8/0x388 mm/slub.c:3437 __do_kmalloc_node mm/slab_common.c:935 [inline] __kmalloc_node_track_caller+0xbc/0x1c0 mm/slab_common.c:956 kmalloc_reserve net/core/skbuff.c:446 [inline] pskb_expand_head+0x188/0x10ac net/core/skbuff.c:1848 netlink_trim+0x160/0x204 net/netlink/af_netlink.c:1293 netlink_broadcast+0x70/0xff4 net/netlink/af_netlink.c:1487 nlmsg_multicast include/net/netlink.h:1071 [inline] nlmsg_notify+0xf4/0x1d0 net/netlink/af_netlink.c:2536 rtnl_notify net/core/rtnetlink.c:796 [inline] rtmsg_ifinfo_send net/core/rtnetlink.c:3987 [inline] rtmsg_ifinfo_event net/core/rtnetlink.c:4002 [inline] rtnetlink_event+0x15c/0x1ac net/core/rtnetlink.c:6201 notifier_call_chain kernel/notifier.c:87 [inline] raw_notifier_call_chain+0xd4/0x164 kernel/notifier.c:455 call_netdevice_notifiers_info net/core/dev.c:1970 [inline] netdev_lower_state_changed+0x1a8/0x254 net/core/dev.c:8348 team_lower_state_changed drivers/net/team/team.c:89 [inline] team_refresh_port_linkup drivers/net/team/team.c:99 [inline] __team_port_change_send+0x1ac/0x4dc drivers/net/team/team.c:2942 __team_port_change_check drivers/net/team/team.c:2989 [inline] team_port_change_check+0xa8/0x230 drivers/net/team/team.c:3011 team_device_event+0x1bc/0x4d0 notifier_call_chain kernel/notifier.c:87 [inline] raw_notifier_call_chain+0xd4/0x164 kernel/notifier.c:455 call_netdevice_notifiers_info net/core/dev.c:1970 [inline] call_netdevice_notifiers_extack net/core/dev.c:2008 [inline] call_netdevice_notifiers net/core/dev.c:2022 [inline] dev_close_many+0x2fc/0x468 net/core/dev.c:1570 unregister_netdevice_many+0x3fc/0x175c net/core/dev.c:10864 default_device_exit_batch+0x9f4/0xa70 net/core/dev.c:11403 ops_exit_list net/core/net_namespace.c:177 [inline] cleanup_net+0x5dc/0x994 net/core/net_namespace.c:604 process_one_work+0x7ac/0x1404 kernel/workqueue.c:2292 worker_thread+0x8e4/0xfec kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864 team0 (unregistering): Port device team_slave_1 removed team0 (unregistering): Port device team_slave_0 removed bond0 (unregistering): (slave bond_slave_1): Releasing backup interface bond0 (unregistering): (slave bond_slave_0): Releasing backup interface bond0 (unregistering): Released all slaves team0 (unregistering): Port device team_slave_1 removed team0 (unregistering): Port device team_slave_0 removed bond0 (unregistering): (slave bond_slave_1): Releasing backup interface bond0 (unregistering): (slave bond_slave_0): Releasing backup interface bond0 (unregistering): Released all slaves team0 (unregistering): Port device team_slave_1 removed team0 (unregistering): Port device team_slave_0 removed bond0 (unregistering): (slave bond_slave_1): Releasing backup interface bond0 (unregistering): (slave bond_slave_0): Releasing backup interface bond0 (unregistering): Released all slaves