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WARNING: CPU: 1 PID: 6999 at fs/btrfs/inode.c:3438 btrfs_add_delayed_iput+0x2b8/0x308 fs/btrfs/inode.c:3438
Modules linked in:
CPU: 1 UID: 0 PID: 6999 Comm: kworker/u8:10 Not tainted 6.15.0-rc7-syzkaller-00083-g187899f4124a #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: events_unbound btrfs_async_reclaim_metadata_space
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : btrfs_add_delayed_iput+0x2b8/0x308 fs/btrfs/inode.c:3438
lr : btrfs_add_delayed_iput+0x2b8/0x308 fs/btrfs/inode.c:3438
sp : ffff8000a21d7380
x29: ffff8000a21d7380 x28: ffff0000d5380000 x27: ffff0000d5380720
x26: ffff0000cbd38000 x25: dfff800000000000 x24: 0000000000000000
x23: 1fffe0001aa700e4 x22: 0000000000000000 x21: 0000000000000001
x20: 0000000000000100 x19: ffff0000e2ca33f0 x18: 1fffe0003386f276
x17: ffff80008f31e000 x16: ffff80008051c10c x15: 0000000000000001
x14: 1fffe0001c594732 x13: 0000000000000000 x12: 0000000000000000
x11: ffff60001c594733 x10: 0000000000ff0100 x9 : 0000000000000000
x8 : ffff0000c6ef1e80 x7 : ffff800080485878 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000822df264
x2 : 0000000000000001 x1 : 0000000000000100 x0 : 0000000000000000
Call trace:
 btrfs_add_delayed_iput+0x2b8/0x308 fs/btrfs/inode.c:3438 (P)
 start_delalloc_inodes+0x578/0x8d4 fs/btrfs/inode.c:8587
 btrfs_start_delalloc_roots+0x448/0x64c fs/btrfs/inode.c:8663
 shrink_delalloc fs/btrfs/space-info.c:680 [inline]
 flush_space+0x528/0xb64 fs/btrfs/space-info.c:790
 btrfs_async_reclaim_metadata_space+0x32c/0x75c fs/btrfs/space-info.c:1120
 process_one_work+0x7e8/0x156c kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x958/0xed8 kernel/workqueue.c:3400
 kthread+0x5fc/0x75c kernel/kthread.c:464
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:847
irq event stamp: 757192
hardirqs last  enabled at (757191): [<ffff80008048590c>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1525 [inline]
hardirqs last  enabled at (757191): [<ffff80008048590c>] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5130
hardirqs last disabled at (757192): [<ffff80008adb9eb8>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:511
softirqs last  enabled at (756900): [<ffff8000803cf71c>] softirq_handle_end kernel/softirq.c:425 [inline]
softirqs last  enabled at (756900): [<ffff8000803cf71c>] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607
softirqs last disabled at (756885): [<ffff800080020efc>] __do_softirq+0x14/0x20 kernel/softirq.c:613
---[ end trace 0000000000000000 ]---