BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! turning off the locking correctness validator. CPU: 0 UID: 0 PID: 13 Comm: kworker/u8:1 Not tainted 6.13.0-rc7-syzkaller-00071-g1950a0af2d55 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 Workqueue: btrfs-worker btrfs_work_helper 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 do_write_seqcount_begin_nested include/linux/seqlock.h:454 [inline] do_write_seqcount_begin include/linux/seqlock.h:480 [inline] psi_group_change+0x270/0x11d8 kernel/sched/psi.c:792 psi_task_change+0xf4/0x228 kernel/sched/psi.c:912 psi_enqueue kernel/sched/stats.h:162 [inline] enqueue_task+0x1e8/0x23c kernel/sched/core.c:2068 activate_task kernel/sched/core.c:2108 [inline] ttwu_do_activate+0x1a0/0x684 kernel/sched/core.c:3720 ttwu_queue kernel/sched/core.c:3993 [inline] try_to_wake_up+0x64c/0x11d4 kernel/sched/core.c:4321 wake_up_process+0x18/0x24 kernel/sched/core.c:4454 kick_pool+0x3f0/0x59c kernel/workqueue.c:1279 __queue_work+0xe28/0x1308 kernel/workqueue.c:2340 queue_work_on+0xe0/0x1a0 kernel/workqueue.c:2390 queue_work include/linux/workqueue.h:662 [inline] loop_queue_work drivers/block/loop.c:893 [inline] loop_queue_rq+0x974/0xadc drivers/block/loop.c:1876 __blk_mq_issue_directly block/blk-mq.c:2687 [inline] blk_mq_request_issue_directly+0x2dc/0x5a0 block/blk-mq.c:2774 blk_mq_plug_issue_direct+0x264/0x548 block/blk-mq.c:2795 blk_mq_flush_plug_list+0x654/0x13ac block/blk-mq.c:2906 __blk_flush_plug+0x388/0x460 block/blk-core.c:1213 blk_finish_plug block/blk-core.c:1240 [inline] __submit_bio+0x3d4/0x4f8 block/blk-core.c:637 __submit_bio_noacct_mq block/blk-core.c:710 [inline] submit_bio_noacct_nocheck+0x3bc/0xcbc block/blk-core.c:739 submit_bio_noacct+0xc6c/0x166c block/blk-core.c:868 submit_bio+0x374/0x564 block/blk-core.c:910 blkcg_punt_bio_submit+0xfc/0x114 block/blk-cgroup.c:252 btrfs_submit_dev_bio+0x3d8/0x704 fs/btrfs/bio.c:457 btrfs_submit_bio+0x4ec/0x5b4 fs/btrfs/bio.c:496 run_one_async_done+0x104/0x168 fs/btrfs/bio.c:586 run_ordered_work fs/btrfs/async-thread.c:245 [inline] btrfs_work_helper+0x53c/0xd5c fs/btrfs/async-thread.c:324 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