BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! turning off the locking correctness validator. CPU: 0 PID: 60 Comm: kworker/u4:4 Not tainted 6.8.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 Workqueue: btrfs-endio-meta btrfs_end_bio_work Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e7/0x2e0 lib/dump_stack.c:106 lookup_chain_cache_add kernel/locking/lockdep.c:3816 [inline] validate_chain+0x9d1/0x58e0 kernel/locking/lockdep.c:3837 __lock_acquire+0x1345/0x1fd0 kernel/locking/lockdep.c:5137 lock_acquire+0x1e3/0x530 kernel/locking/lockdep.c:5754 do_write_seqcount_begin_nested include/linux/seqlock.h:469 [inline] do_write_seqcount_begin include/linux/seqlock.h:495 [inline] psi_account_irqtime+0x1b2/0x5d0 kernel/sched/psi.c:1016 update_rq_clock_task kernel/sched/core.c:726 [inline] update_rq_clock+0x22b/0x8a0 kernel/sched/core.c:770 ttwu_queue kernel/sched/core.c:4047 [inline] try_to_wake_up+0x871/0x1470 kernel/sched/core.c:4369 autoremove_wake_function kernel/sched/wait.c:384 [inline] wake_bit_function+0xd8/0x220 kernel/sched/wait_bit.c:31 __wake_up_common kernel/sched/wait.c:89 [inline] __wake_up_common_lock+0x130/0x1e0 kernel/sched/wait.c:106 __wake_up kernel/sched/wait.c:127 [inline] __wake_up_bit kernel/sched/wait_bit.c:126 [inline] wake_up_bit+0x153/0x1a0 kernel/sched/wait_bit.c:149 end_bbio_meta_read+0x337/0x400 fs/btrfs/extent_io.c:4192 process_one_work kernel/workqueue.c:2633 [inline] process_scheduled_works+0x913/0x1420 kernel/workqueue.c:2706 worker_thread+0xa5f/0x1000 kernel/workqueue.c:2787 kthread+0x2ef/0x390 kernel/kthread.c:388 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:243 BTRFS info (device loop4): qgroup scan completed (inconsistency flag cleared) BTRFS info (device loop4): qgroup scan completed (inconsistency flag cleared) BTRFS info (device loop2): qgroup scan completed (inconsistency flag cleared) BTRFS info (device loop2): qgroup scan completed (inconsistency flag cleared) BTRFS info (device loop0): qgroup scan completed (inconsistency flag cleared) BTRFS info (device loop2): qgroup scan completed (inconsistency flag cleared) BTRFS info (device loop0): qgroup scan completed (inconsistency flag cleared) BTRFS info (device loop0): qgroup scan completed (inconsistency flag cleared) BTRFS info (device loop4): qgroup scan completed (inconsistency flag cleared) BTRFS info (device loop2): qgroup scan completed (inconsistency flag cleared) BTRFS info (device loop3): qgroup scan completed (inconsistency flag cleared) BTRFS info (device loop4): qgroup scan completed (inconsistency flag cleared) BTRFS info (device loop2): qgroup scan completed (inconsistency flag cleared) BTRFS info (device loop0): qgroup scan completed (inconsistency flag cleared) BTRFS info (device loop3): qgroup scan completed (inconsistency flag cleared)