BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! turning off the locking correctness validator. CPU: 0 PID: 645 Comm: kworker/u4:11 Not tainted 6.6.0-rc5-syzkaller-g249eb8f39efb #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 Workqueue: btrfs-endio-write btrfs_work_helper Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:233 show_stack+0x2c/0x44 arch/arm64/kernel/stacktrace.c:240 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106 dump_stack+0x1c/0x28 lib/dump_stack.c:113 lookup_chain_cache_add kernel/locking/lockdep.c:3815 [inline] validate_chain kernel/locking/lockdep.c:3836 [inline] __lock_acquire+0x1c60/0x75e8 kernel/locking/lockdep.c:5136 lock_acquire+0x23c/0x71c kernel/locking/lockdep.c:5753 do_write_seqcount_begin_nested include/linux/seqlock.h:515 [inline] do_write_seqcount_begin include/linux/seqlock.h:541 [inline] psi_account_irqtime+0x298/0x768 kernel/sched/psi.c:1024 update_rq_clock_task kernel/sched/core.c:725 [inline] update_rq_clock+0x1b8/0x634 kernel/sched/core.c:769 ttwu_queue kernel/sched/core.c:4028 [inline] try_to_wake_up+0x4e4/0xe80 kernel/sched/core.c:4346 wake_up_process kernel/sched/core.c:4478 [inline] wake_up_q+0x68/0xac kernel/sched/core.c:1029 rwsem_wake kernel/locking/rwsem.c:1214 [inline] __up_write kernel/locking/rwsem.c:1376 [inline] up_write+0x75c/0x760 kernel/locking/rwsem.c:1626 btrfs_tree_unlock+0xf0/0x2f4 fs/btrfs/locking.c:215 copy_for_split+0x758/0xa30 fs/btrfs/ctree.c:3680 split_leaf+0x988/0x119c fs/btrfs/ctree.c:3927 search_leaf fs/btrfs/ctree.c:2069 [inline] btrfs_search_slot+0x220c/0x29d8 fs/btrfs/ctree.c:2256 btrfs_csum_file_blocks+0x3d0/0x1554 fs/btrfs/file-item.c:1122 add_pending_csums fs/btrfs/inode.c:2601 [inline] btrfs_finish_one_ordered+0xf10/0x16f8 fs/btrfs/inode.c:3121 btrfs_finish_ordered_io+0xf8/0x10c fs/btrfs/inode.c:3229 finish_ordered_fn+0x20/0xa8 fs/btrfs/ordered-data.c:303 btrfs_work_helper+0x340/0x1504 fs/btrfs/async-thread.c:314 process_one_work+0x694/0x1204 kernel/workqueue.c:2630 process_scheduled_works kernel/workqueue.c:2703 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:2784 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:857