BUG: MAX_LOCKDEP_ENTRIES too low! turning off the locking correctness validator. CPU: 1 PID: 19734 Comm: kworker/1:16 Not tainted 5.12.0-rc8-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 Workqueue: events key_garbage_collector Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x141/0x1d7 lib/dump_stack.c:120 alloc_list_entry kernel/locking/lockdep.c:1353 [inline] add_lock_to_list.constprop.0.cold+0x11/0x18 kernel/locking/lockdep.c:1374 check_prev_add kernel/locking/lockdep.c:3007 [inline] check_prevs_add kernel/locking/lockdep.c:3060 [inline] validate_chain kernel/locking/lockdep.c:3675 [inline] __lock_acquire+0x2f37/0x54c0 kernel/locking/lockdep.c:4901 lock_acquire kernel/locking/lockdep.c:5511 [inline] lock_acquire+0x1ab/0x740 kernel/locking/lockdep.c:5476 down_write+0x92/0x150 kernel/locking/rwsem.c:1406 keyring_gc+0x1d3/0x2a0 security/keys/keyring.c:1739 key_garbage_collector+0x72d/0x920 security/keys/gc.c:353 process_one_work+0x98d/0x1600 kernel/workqueue.c:2275 worker_thread+0x64c/0x1120 kernel/workqueue.c:2421 kthread+0x3b1/0x4a0 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294