BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 1 PID: 1675 Comm: kswapd0 Not tainted 5.8.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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
 fill_pool+0x28f/0x530 lib/debugobjects.c:177
 __debug_object_init+0x7a/0xce0 lib/debugobjects.c:540
 debug_object_init lib/debugobjects.c:595 [inline]
 debug_object_activate+0x32c/0x3e0 lib/debugobjects.c:681
 debug_rcu_head_queue kernel/rcu/rcu.h:176 [inline]
 __call_rcu kernel/rcu/tree.c:2865 [inline]
 call_rcu+0x2c/0x7e0 kernel/rcu/tree.c:2952
 dentry_free+0xc3/0x160 fs/dcache.c:350
 __dentry_kill+0x4c6/0x640 fs/dcache.c:593
 shrink_dentry_list+0x144/0x480 fs/dcache.c:1141
 prune_dcache_sb+0xe7/0x140 fs/dcache.c:1222
 super_cache_scan+0x336/0x590 fs/super.c:105
 do_shrink_slab+0x3c6/0xab0 mm/vmscan.c:518
 shrink_slab+0x16f/0x5c0 mm/vmscan.c:679
 shrink_node_memcgs mm/vmscan.c:2658 [inline]
 shrink_node+0x519/0x1b60 mm/vmscan.c:2770
 kswapd_shrink_node mm/vmscan.c:3517 [inline]
 balance_pgdat+0x72f/0x10d0 mm/vmscan.c:3675
 kswapd+0x5a5/0xe70 mm/vmscan.c:3932
 kthread+0x3b5/0x4a0 kernel/kthread.c:291
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293