------------[ cut here ]------------
WARNING: CPU: 0 PID: 4205 at fs/btrfs/extent-tree.c:3067 __btrfs_free_extent+0x974/0x2100 fs/btrfs/extent-tree.c:3067
Modules linked in:
CPU: 0 PID: 4205 Comm: kworker/u4:8 Not tainted 5.15.178-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Workqueue: events_unbound btrfs_async_reclaim_metadata_space
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __btrfs_free_extent+0x974/0x2100 fs/btrfs/extent-tree.c:3067
lr : __btrfs_free_extent+0x974/0x2100 fs/btrfs/extent-tree.c:3067
sp : ffff8000206772a0
x29: ffff800020677440 x28: 0000000000000000 x27: ffff0000e92f3210
x26: 00000000ffffffe4 x25: 0000000000000001 x24: fffffffffffffff7
x23: dfff800000000000 x22: 0000000000000000 x21: ffff0000d4ec99d0
x20: 0000000000000000 x19: ffff0000e2ce94d0 x18: 0000000000000001
x17: 0000000000000000 x16: ffff800008336568 x15: 00000000ffffffff
x14: ffff0000c73e0000 x13: 0000000000000001 x12: 0000000000000001
x11: 0000000000000000 x10: 0000000000000000 x9 : d287b5fea8bcaf00
x8 : d287b5fea8bcaf00 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff800020676a18 x4 : ffff800014c50660 x3 : ffff8000083366b4
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026
Call trace:
 __btrfs_free_extent+0x974/0x2100 fs/btrfs/extent-tree.c:3067
 run_delayed_tree_ref fs/btrfs/extent-tree.c:1692 [inline]
 run_one_delayed_ref fs/btrfs/extent-tree.c:1716 [inline]
 btrfs_run_delayed_refs_for_head fs/btrfs/extent-tree.c:1962 [inline]
 __btrfs_run_delayed_refs+0xdd0/0x3d50 fs/btrfs/extent-tree.c:2025
 btrfs_run_delayed_refs+0x11c/0x47c fs/btrfs/extent-tree.c:2156
 flush_space+0x890/0xc94 fs/btrfs/space-info.c:660
 btrfs_async_reclaim_metadata_space+0x6c8/0x80c fs/btrfs/space-info.c:953
 process_one_work+0x790/0x11b8 kernel/workqueue.c:2310
 worker_thread+0x910/0x1034 kernel/workqueue.c:2457
 kthread+0x37c/0x45c kernel/kthread.c:334
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870
irq event stamp: 709264
hardirqs last  enabled at (709263): [<ffff80000832c1b4>] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257
hardirqs last disabled at (709264): [<ffff800011b49ab0>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (709252): [<ffff8000081b6920>] softirq_handle_end kernel/softirq.c:401 [inline]
softirqs last  enabled at (709252): [<ffff8000081b6920>] handle_softirqs+0xb88/0xdbc kernel/softirq.c:586
softirqs last disabled at (709241): [<ffff8000081b6fb8>] __do_softirq kernel/softirq.c:592 [inline]
softirqs last disabled at (709241): [<ffff8000081b6fb8>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (709241): [<ffff8000081b6fb8>] invoke_softirq kernel/softirq.c:439 [inline]
softirqs last disabled at (709241): [<ffff8000081b6fb8>] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641
---[ end trace b58d7070db3c8b0d ]---
BTRFS: error (device loop3) in __btrfs_free_extent:3067: errno=-28 No space left
BTRFS error (device loop3): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 2 ref_mod 1: -28
BTRFS: error (device loop3) in btrfs_run_delayed_refs:2158: errno=-28 No space left