BUG: MAX_LOCKDEP_KEYS too low!
turning off the locking correctness validator.
CPU: 1 UID: 0 PID: 9264 Comm: kworker/u8:7 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Workqueue: netns cleanup_net
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150
 register_lock_class+0x2a9/0x2e0
 __lock_acquire+0xad/0x2cf0
 lock_acquire+0x106/0x330
 touch_wq_lockdep_map+0xcb/0x180
 __flush_workqueue+0x14b/0x14f0
 drain_workqueue+0xd3/0x390
 destroy_workqueue+0xbb/0xc60
 tipc_topsrv_exit_net+0x331/0x380
 ops_undo_list+0x49f/0x940
 cleanup_net+0x4df/0x7b0
 process_scheduled_works+0xaec/0x17a0
 worker_thread+0x89f/0xd90
 kthread+0x726/0x8b0
 ret_from_fork+0x51b/0xa40
 ret_from_fork_asm+0x1a/0x30
 </TASK>
