BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 1 UID: 0 PID: 600 Comm: kworker/u8:8 Not tainted 6.16.0-rc7-syzkaller-g82af5ea7c611 #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: btree_update btree_interior_update_work
Call trace:
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C)
 __dump_stack+0x30/0x40 lib/dump_stack.c:94
 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120
 dump_stack+0x1c/0x28 lib/dump_stack.c:129
 add_chain_cache kernel/locking/lockdep.c:-1 [inline]
 lookup_chain_cache_add kernel/locking/lockdep.c:3858 [inline]
 validate_chain kernel/locking/lockdep.c:3879 [inline]
 __lock_acquire+0xf9c/0x30a4 kernel/locking/lockdep.c:5240
 lock_acquire+0x14c/0x2e0 kernel/locking/lockdep.c:5871
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x48/0x60 kernel/locking/spinlock.c:154
 rcu_note_context_switch+0x288/0x1064 kernel/rcu/tree_plugin.h:338
 __schedule+0x32c/0x2a14 kernel/sched/core.c:6691
 preempt_schedule_irq+0x80/0x188 kernel/sched/core.c:7109
 arm64_preempt_schedule_irq+0x44/0x58 arch/arm64/kernel/entry-common.c:305
 __el1_irq arch/arm64/kernel/entry-common.c:656 [inline]
 el1_interrupt+0x3c/0x54 arch/arm64/kernel/entry-common.c:668
 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:673
 el1h_64_irq+0x6c/0x70 arch/arm64/kernel/entry.S:592
 __daif_local_irq_restore arch/arm64/include/asm/irqflags.h:175 [inline] (P)
 arch_local_irq_restore arch/arm64/include/asm/irqflags.h:195 [inline] (P)
 lock_release+0x270/0x39c kernel/locking/lockdep.c:5895 (P)
 rcu_lock_release+0x2c/0x38 include/linux/rcupdate.h:341
 rcu_read_unlock include/linux/rcupdate.h:871 [inline]
 class_rcu_destructor include/linux/rcupdate.h:1155 [inline]
 bch2_dev_btree_bitmap_marked+0xaa0/0xafc fs/bcachefs/sb-members.c:479
 btree_update_new_nodes_marked_sb fs/bcachefs/btree_update_interior.c:600 [inline]
 btree_update_nodes_written fs/bcachefs/btree_update_interior.c:682 [inline]
 btree_interior_update_work+0x260/0x1d28 fs/bcachefs/btree_update_interior.c:867
 process_one_work+0x7e8/0x155c kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3321 [inline]
 worker_thread+0x958/0xed8 kernel/workqueue.c:3402
 kthread+0x5fc/0x75c kernel/kthread.c:464
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844