------------[ cut here ]------------ lockdep bfs error:-1 WARNING: CPU: 1 PID: 1420 at kernel/locking/lockdep.c:2071 print_bfs_bug+0x34/0x48 kernel/locking/lockdep.c:2071 Modules linked in: CPU: 1 PID: 1420 Comm: kworker/1:2 Not tainted 6.9.0-rc7-syzkaller-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Workqueue: xfs-buf/loop2 xfs_buf_ioend_work pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : print_bfs_bug+0x34/0x48 kernel/locking/lockdep.c:2071 lr : print_bfs_bug+0x34/0x48 kernel/locking/lockdep.c:2071 sp : ffff80009aa871e0 x29: ffff80009aa871e0 x28: ffff0000c9d56618 x27: ffff8000924f0000 x26: 0000000000000006 x25: 0000000000000001 x24: 1fffe000193aacc3 x23: ffff800093180a88 x22: 000000000000009c x21: ffff80009308cce8 x20: 0000000000000001 x19: 00000000ffffffff x18: 0000000000000008 x17: 0000000000000000 x16: ffff80008ae89e3c x15: 0000000000000001 x14: 1fffe000367bd202 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000007 x10: 0000000000ff0100 x9 : f393cfa50c178a00 x8 : f393cfa50c178a00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80009aa86958 x4 : ffff80008ef95100 x3 : ffff8000805e61b0 x2 : 0000000000000001 x1 : 0000000100000005 x0 : 0000000000000000 Call trace: print_bfs_bug+0x34/0x48 kernel/locking/lockdep.c:2071 check_prev_add kernel/locking/lockdep.c:3138 [inline] check_prevs_add kernel/locking/lockdep.c:3253 [inline] validate_chain kernel/locking/lockdep.c:3869 [inline] __lock_acquire+0x63ac/0x763c kernel/locking/lockdep.c:5137 lock_acquire+0x248/0x73c 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+0x310/0x7cc kernel/sched/psi.c:1016 update_rq_clock_task kernel/sched/core.c:726 [inline] update_rq_clock+0x1b8/0x634 kernel/sched/core.c:770 ttwu_queue kernel/sched/core.c:4056 [inline] try_to_wake_up+0x514/0xf2c kernel/sched/core.c:4378 default_wake_function+0x4c/0x60 kernel/sched/core.c:7080 autoremove_wake_function+0x24/0xf8 kernel/sched/wait.c:384 __wake_up_common kernel/sched/wait.c:89 [inline] __wake_up_common_lock kernel/sched/wait.c:106 [inline] __wake_up+0x12c/0x1b0 kernel/sched/wait.c:127 xfs_ail_update_finish+0x170/0x1ac fs/xfs/xfs_trans_ail.c:767 xfs_trans_ail_delete+0x22c/0x2b0 fs/xfs/xfs_trans_ail.c:895 xfs_buf_item_done+0x58/0x94 fs/xfs/xfs_buf_item.c:1086 xfs_buf_ioend+0x2c0/0x70c fs/xfs/xfs_buf.c:1399 xfs_buf_ioend_work+0x20/0x30 fs/xfs/xfs_buf.c:1424 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 2347918 hardirqs last enabled at (2347917): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (2347917): [] _raw_spin_unlock_irq+0x30/0x80 kernel/locking/spinlock.c:202 hardirqs last disabled at (2347918): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (2347918): [] _raw_spin_lock_irqsave+0x2c/0x7c kernel/locking/spinlock.c:162 softirqs last enabled at (2344972): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (2344972): [] handle_softirqs+0xa60/0xc34 kernel/softirq.c:582 softirqs last disabled at (2344967): [] __do_softirq+0x14/0x20 kernel/softirq.c:588 ---[ end trace 0000000000000000 ]---