BUG: MAX_LOCKDEP_KEYS too low!
turning off the locking correctness validator.
CPU: 0 PID: 8260 Comm: kworker/u4:6 Not tainted 5.4.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: netns cleanup_net
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x113/0x167 lib/dump_stack.c:113
 register_lock_class.cold.69+0x1a/0x26 kernel/locking/lockdep.c:1222
 __lock_acquire+0xff/0x4ef0 kernel/locking/lockdep.c:3837
 lock_acquire+0x194/0x410 kernel/locking/lockdep.c:4487
 flush_workqueue+0xf2/0x13d0 kernel/workqueue.c:2774
 drain_workqueue+0x148/0x3a0 kernel/workqueue.c:2939
 destroy_workqueue+0x19/0x5b0 kernel/workqueue.c:4329
 bond_destructor+0x37/0x50 drivers/net/bonding/bond_main.c:4291
 netdev_run_todo+0x3c1/0x6b0 net/core/dev.c:9177
 rtnl_unlock+0x9/0x10 net/core/rtnetlink.c:112
 default_device_exit_batch+0x2f8/0x3e0 net/core/dev.c:9977
 ops_exit_list.isra.6+0xdf/0x130 net/core/net_namespace.c:175
 cleanup_net+0x485/0x9d0 net/core/net_namespace.c:596
 process_one_work+0x856/0x1630 kernel/workqueue.c:2269
 worker_thread+0x85/0xb60 kernel/workqueue.c:2415
 kthread+0x331/0x3f0 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
kobject: 'bond700' (0000000078b876ca): kobject_cleanup, parent 0000000017f25bdc
kobject: 'bond700' (0000000078b876ca): calling ktype release
kobject: 'bond700': free name
kobject: 'bond699' (000000007fa9e859): kobject_cleanup, parent 0000000017f25bdc
kobject: 'bond699' (000000007fa9e859): calling ktype release
kobject: 'bond699': free name
kobject: 'bond698' (000000000e4ecc92): kobject_cleanup, parent 0000000017f25bdc
kobject: 'bond698' (000000000e4ecc92): calling ktype release
kobject: 'bond698': free name
kobject: 'bond697' (000000006c2c2fb2): kobject_cleanup, parent 0000000017f25bdc
kobject: 'bond697' (000000006c2c2fb2): calling ktype release
kobject: 'bond697': free name