BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! turning off the locking correctness validator. CPU: 0 UID: 0 PID: 2095 Comm: kworker/u8:8 Not tainted 6.13.0-rc7-syzkaller-g1950a0af2d55 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: btrfs-compressed-write btrfs_finish_compressed_write_work Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:466 (C) __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:120 dump_stack+0x1c/0x28 lib/dump_stack.c:129 lookup_chain_cache_add kernel/locking/lockdep.c:3851 [inline] validate_chain kernel/locking/lockdep.c:3872 [inline] __lock_acquire+0x2070/0x7904 kernel/locking/lockdep.c:5226 lock_acquire+0x23c/0x724 kernel/locking/lockdep.c:5849 _raw_spin_lock_nested+0x50/0x6c kernel/locking/spinlock.c:378 raw_spin_rq_lock_nested kernel/sched/core.c:598 [inline] raw_spin_rq_lock kernel/sched/sched.h:1523 [inline] rq_lock kernel/sched/sched.h:1822 [inline] ttwu_queue kernel/sched/core.c:3991 [inline] try_to_wake_up+0x604/0x11d4 kernel/sched/core.c:4321 wake_up_state+0x14/0x20 kernel/sched/core.c:4460 wake_page_function+0x128/0x394 mm/filemap.c:1141 __wake_up_common kernel/sched/wait.c:89 [inline] __wake_up_locked_key+0x100/0x174 kernel/sched/wait.c:147 folio_wake_bit+0x108/0x290 mm/filemap.c:1168 folio_end_writeback+0x13c/0x3ac mm/filemap.c:1625 btrfs_folio_clamp_clear_writeback+0x20/0x30 fs/btrfs/subpage.c:631 end_compressed_writeback+0x3c4/0x5b0 fs/btrfs/compression.c:306 btrfs_finish_compressed_write_work+0xe4/0x24c fs/btrfs/compression.c:323 process_one_work+0x7a8/0x15cc kernel/workqueue.c:3236 process_scheduled_works kernel/workqueue.c:3317 [inline] worker_thread+0x97c/0xeec kernel/workqueue.c:3398 kthread+0x288/0x310 kernel/kthread.c:389 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862