BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! turning off the locking correctness validator. CPU: 0 UID: 0 PID: 6549 Comm: syz-executor Not tainted 6.17.0-rc1-syzkaller-g8f5ae30d69d7 #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 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:3855 [inline] validate_chain kernel/locking/lockdep.c:3876 [inline] __lock_acquire+0xf9c/0x30a4 kernel/locking/lockdep.c:5237 lock_acquire+0x14c/0x2e0 kernel/locking/lockdep.c:5868 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x48/0x60 kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:351 [inline] lock_list_lru mm/list_lru.c:68 [inline] lock_list_lru_of_memcg+0x1e8/0x430 mm/list_lru.c:88 list_lru_del+0x6c/0x1f4 mm/list_lru.c:206 list_lru_del_obj+0x194/0x280 mm/list_lru.c:227 d_lru_del+0x1dc/0x2d0 fs/dcache.c:507 to_shrink_list+0x80/0x2a8 fs/dcache.c:930 select_collect+0xc4/0x1a4 fs/dcache.c:1498 d_walk+0x1b8/0x668 fs/dcache.c:1321 shrink_dcache_parent+0xec/0x27c fs/dcache.c:1553 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ntfs3_kill_sb+0x44/0x17c fs/ntfs3/super.c:1813 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596