BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! turning off the locking correctness validator. CPU: 1 PID: 25363 Comm: syz-executor.3 Not tainted 6.1.31-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 Call trace: dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 dump_stack+0x1c/0x58 lib/dump_stack.c:113 lookup_chain_cache_add kernel/locking/lockdep.c:3779 [inline] validate_chain kernel/locking/lockdep.c:3800 [inline] __lock_acquire+0x1b8c/0x764c kernel/locking/lockdep.c:5056 lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5669 do_write_seqcount_begin_nested include/linux/seqlock.h:516 [inline] do_write_seqcount_begin include/linux/seqlock.h:541 [inline] psi_account_irqtime+0x2c4/0x774 kernel/sched/psi.c:977 update_rq_clock_task kernel/sched/core.c:704 [inline] update_rq_clock+0x1b8/0x634 kernel/sched/core.c:747 ttwu_queue kernel/sched/core.c:3900 [inline] try_to_wake_up+0x4fc/0xe60 kernel/sched/core.c:4224 wake_up_process+0x18/0x24 kernel/sched/core.c:4358 swake_up_locked kernel/sched/swait.c:29 [inline] swake_up_one+0x70/0x134 kernel/sched/swait.c:52 rcu_gp_kthread_wake kernel/rcu/tree.c:1077 [inline] rcu_report_qs_rsp+0x274/0x42c kernel/rcu/tree.c:1886 rcu_report_unblock_qs_rnp kernel/rcu/tree.c:1990 [inline] rcu_preempt_deferred_qs_irqrestore+0xa44/0xf40 kernel/rcu/tree_plugin.h:555 rcu_read_unlock_special+0xa0/0x48c kernel/rcu/tree_plugin.h:679 __rcu_read_unlock+0xac/0x13c kernel/rcu/tree_plugin.h:424 rcu_read_unlock include/linux/rcupdate.h:779 [inline] __folio_memcg_unlock+0xe8/0x104 mm/memcontrol.c:2148 folio_memcg_unlock+0x14/0x20 mm/memcontrol.c:2161 filemap_dirty_folio+0xec/0x1a8 mm/page-writeback.c:2651 folio_mark_dirty+0x118/0x198 mm/page-writeback.c:2749 set_page_dirty+0x58/0x78 mm/folio-compat.c:62 btrfs_page_set_dirty+0x80/0x19c fs/btrfs/subpage.c:699 set_extent_buffer_dirty+0x34c/0x4b0 fs/btrfs/extent_io.c:4894 btrfs_mark_buffer_dirty+0x154/0x220 fs/btrfs/disk-io.c:4793 __btrfs_cow_block+0xdec/0x16f0 fs/btrfs/ctree.c:511 btrfs_cow_block+0x354/0x7dc fs/btrfs/ctree.c:588 btrfs_search_slot+0xb7c/0x2948 btrfs_insert_empty_items+0xa4/0x178 fs/btrfs/ctree.c:4119 btrfs_create_new_inode+0xd2c/0x2324 fs/btrfs/inode.c:6413 btrfs_create_common+0x290/0x398 fs/btrfs/inode.c:6642 btrfs_create+0x104/0x128 fs/btrfs/inode.c:6682 lookup_open fs/namei.c:3413 [inline] open_last_lookups fs/namei.c:3481 [inline] path_openat+0xeac/0x2548 fs/namei.c:3711 do_filp_open+0x1bc/0x3cc fs/namei.c:3741 do_sys_openat2+0x128/0x3d8 fs/open.c:1318 do_sys_open fs/open.c:1334 [inline] __do_sys_openat fs/open.c:1350 [inline] __se_sys_openat fs/open.c:1345 [inline] __arm64_sys_openat+0x1f0/0x240 fs/open.c:1345 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581