BUG: MAX_LOCKDEP_CHAINS too low! turning off the locking correctness validator. CPU: 1 PID: 31738 Comm: kworker/u4:0 Not tainted 5.8.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: bond2156 bond_netdev_notify_work Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x18f/0x20d lib/dump_stack.c:118 add_chain_cache kernel/locking/lockdep.c:3063 [inline] lookup_chain_cache_add kernel/locking/lockdep.c:3162 [inline] validate_chain kernel/locking/lockdep.c:3183 [inline] __lock_acquire.cold+0x11/0x3f8 kernel/locking/lockdep.c:4380 lock_acquire+0x1f1/0xad0 kernel/locking/lockdep.c:4959 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x8c/0xc0 kernel/locking/spinlock.c:159 debug_object_activate+0x12e/0x3e0 lib/debugobjects.c:636 debug_timer_activate kernel/time/timer.c:713 [inline] __mod_timer+0x5b6/0xf40 kernel/time/timer.c:1039 __queue_delayed_work+0x1a7/0x270 kernel/workqueue.c:1649 queue_delayed_work_on+0x1a2/0x210 kernel/workqueue.c:1674 queue_delayed_work include/linux/workqueue.h:522 [inline] bond_netdev_notify_work drivers/net/bonding/bond_main.c:1520 [inline] bond_netdev_notify_work+0x235/0x290 drivers/net/bonding/bond_main.c:1507 process_one_work+0x94c/0x1670 kernel/workqueue.c:2269 worker_thread+0x64c/0x1120 kernel/workqueue.c:2415 kthread+0x3b5/0x4a0 kernel/kthread.c:291 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293