bond570: (slave bridge691): link status definitely down, disabling slave BUG: MAX_LOCKDEP_CHAINS too low! turning off the locking correctness validator. CPU: 1 PID: 25522 Comm: kworker/u4:12 Not tainted 5.15.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: bond570 bond_mii_monitor Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 add_chain_cache kernel/locking/lockdep.c:3637 [inline] lookup_chain_cache_add kernel/locking/lockdep.c:3736 [inline] validate_chain kernel/locking/lockdep.c:3757 [inline] __lock_acquire.cold+0x372/0x3ab kernel/locking/lockdep.c:5015 lock_acquire kernel/locking/lockdep.c:5625 [inline] lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5590 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:162 debug_object_activate+0x12e/0x3e0 lib/debugobjects.c:661 debug_timer_activate kernel/time/timer.c:729 [inline] __mod_timer+0x77d/0xe30 kernel/time/timer.c:1050 __queue_delayed_work+0x1a7/0x270 kernel/workqueue.c:1677 queue_delayed_work_on+0x105/0x120 kernel/workqueue.c:1702 queue_delayed_work include/linux/workqueue.h:516 [inline] schedule_delayed_work include/linux/workqueue.h:620 [inline] kvfree_call_rcu+0x5c4/0x990 kernel/rcu/tree.c:3573 __hw_addr_del_entry+0x313/0x410 net/core/dev_addr_lists.c:145 __hw_addr_del_ex net/core/dev_addr_lists.c:194 [inline] __hw_addr_unsync_one+0x6d/0xf0 net/core/dev_addr_lists.c:230 __hw_addr_unsync net/core/dev_addr_lists.c:290 [inline] dev_mc_unsync net/core/dev_addr_lists.c:984 [inline] dev_mc_unsync+0x26b/0x300 net/core/dev_addr_lists.c:976 bond_hw_addr_flush drivers/net/bonding/bond_main.c:863 [inline] bond_hw_addr_swap drivers/net/bonding/bond_main.c:890 [inline] bond_change_active_slave+0xc8a/0x2930 drivers/net/bonding/bond_main.c:1167 bond_select_active_slave+0x23f/0xa50 drivers/net/bonding/bond_main.c:1250 bond_miimon_commit drivers/net/bonding/bond_main.c:2699 [inline] bond_mii_monitor.cold+0x119/0x7a4 drivers/net/bonding/bond_main.c:2752 process_one_work+0x9bf/0x16b0 kernel/workqueue.c:2297 worker_thread+0x658/0x11f0 kernel/workqueue.c:2444 kthread+0x3e5/0x4d0 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 bond570: now running without any active interface! bond593: (slave bridge724): link status definitely down, disabling slave bond593: now running without any active interface! wlan0: No active IBSS STAs - trying to scan for other IBSS networks with same SSID (merge)