BUG: MAX_LOCKDEP_CHAINS too low! turning off the locking correctness validator. CPU: 1 PID: 2112 Comm: kworker/u4:10 Not tainted 5.15.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: bond742 bond_slave_arr_handler 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] bond_slave_arr_work_rearm drivers/net/bonding/bond_main.c:4629 [inline] bond_slave_arr_handler drivers/net/bonding/bond_main.c:4651 [inline] bond_slave_arr_handler+0x5d/0xd0 drivers/net/bonding/bond_main.c:4633 process_one_work+0x9b2/0x1690 kernel/workqueue.c:2297 worker_thread+0x658/0x11f0 kernel/workqueue.c:2444 kthread+0x405/0x4f0 kernel/kthread.c:327 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 bond742: (slave vlan626): link status up again after 0 ms bond702: (slave vlan597): link status up again after 0 ms bond743: (slave vlan627): link status up again after 0 ms bond533: (slave vlan429): failed to get link speed/duplex bond549: (slave vlan449): failed to get link speed/duplex bond706: (slave vlan602): link status up again after 0 ms bond748: (slave vlan633): failed to get link speed/duplex bond749: (slave vlan635): link status up again after 0 ms bond708: (slave vlan606): link status up again after 0 ms bond749: (slave vlan635): link status up again after 0 ms bond273: (slave vlan148): failed to get link speed/duplex bond326: (slave vlan199): failed to get link speed/duplex bond690: (slave vlan581): failed to get link speed/duplex bond83: (slave vlan66): failed to get link speed/duplex bond712: (slave vlan613): link status up again after 0 ms bond713: (slave vlan614): link status up again after 0 ms bond754: (slave vlan642): link status up again after 0 ms bond704: (slave vlan599): failed to get link speed/duplex bond716: (slave vlan618): link status up again after 0 ms bond717: (slave vlan620): link status up again after 0 ms bond10: (slave vlan8): failed to get link speed/duplex bond263: (slave vlan147): failed to get link speed/duplex bond761: (slave vlan649): link status up again after 0 ms bond763: (slave vlan652): link status up again after 0 ms bond763: (slave vlan652): link status up again after 0 ms bond567: (slave vlan468): failed to get link speed/duplex bond34: (slave vlan27): failed to get link speed/duplex bond766: (slave vlan656): link status up again after 0 ms bond766: (slave vlan656): link status up again after 0 ms bond766: (slave vlan656): link status up again after 0 ms bond766: (slave vlan656): link status up again after 0 ms net_ratelimit: 16681 callbacks suppressed bond34: (slave vlan18): failed to get link speed/duplex bond774: (slave vlan663): link status up again after 0 ms bond733: (slave vlan637): link status up again after 0 ms bond777: (slave vlan666): link status up again after 0 ms bond779: (slave vlan670): link status up again after 0 ms bond781: (slave vlan672): link status up again after 0 ms bond781: (slave vlan672): link status up again after 0 ms bond740: (slave vlan646): link status up again after 0 ms