------------[ cut here ]------------
BTRFS: Transaction aborted (error -28)
WARNING: CPU: 0 PID: 534 at fs/btrfs/block-group.c:3990 do_chunk_alloc fs/btrfs/block-group.c:3990 [inline]
WARNING: CPU: 0 PID: 534 at fs/btrfs/block-group.c:3990 btrfs_chunk_alloc+0xf58/0x1220 fs/btrfs/block-group.c:4231
Modules linked in:
CPU: 0 UID: 0 PID: 534 Comm: kworker/u8:8 Not tainted 6.16.0-rc2-syzkaller-g9aa9b43d689e #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: events_unbound btrfs_async_reclaim_metadata_space
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : do_chunk_alloc fs/btrfs/block-group.c:3990 [inline]
pc : btrfs_chunk_alloc+0xf58/0x1220 fs/btrfs/block-group.c:4231
lr : do_chunk_alloc fs/btrfs/block-group.c:3990 [inline]
lr : btrfs_chunk_alloc+0xf58/0x1220 fs/btrfs/block-group.c:4231
sp : ffff80009c8f77c0
x29: ffff80009c8f7820 x28: ffff0000dba83000 x27: ffffffffffffffe4
x26: 0000000000000001 x25: ffff0000c5bc90b4 x24: ffff0000c15cbde0
x23: dfff800000000000 x22: ffff0000f96e0000 x21: 0000000000000000
x20: 0000000000000000 x19: ffff0000c5bc9000 x18: 00000000ffffffff
x17: 0000000000000000 x16: ffff80008aecb65c x15: 0000000000000001
x14: 1fffe000337dc8e2 x13: 0000000000000000 x12: 0000000000000000
x11: ffff6000337dc8e3 x10: 0000000000ff0100 x9 : 87c4054b72a84b00
x8 : 87c4054b72a84b00 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80009c8f7118 x4 : ffff80008f727060 x3 : ffff8000807bef2c
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000
Call trace:
 do_chunk_alloc fs/btrfs/block-group.c:3990 [inline] (P)
 btrfs_chunk_alloc+0xf58/0x1220 fs/btrfs/block-group.c:4231 (P)
 flush_space+0x2f0/0xb68 fs/btrfs/space-info.c:861
 do_async_reclaim_metadata_space+0x110/0x364 fs/btrfs/space-info.c:1158
 btrfs_async_reclaim_metadata_space+0x90/0xd8 fs/btrfs/space-info.c:1226
 process_one_work+0x7e8/0x155c kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3321 [inline]
 worker_thread+0x958/0xed8 kernel/workqueue.c:3402
 kthread+0x5fc/0x75c kernel/kthread.c:464
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:847
irq event stamp: 847490
hardirqs last  enabled at (847489): [<ffff800080553834>] __up_console_sem kernel/printk/printk.c:344 [inline]
hardirqs last  enabled at (847489): [<ffff800080553834>] __console_unlock+0x70/0xc4 kernel/printk/printk.c:2885
hardirqs last disabled at (847490): [<ffff80008aec67ac>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:511
softirqs last  enabled at (847388): [<ffff8000803cee94>] softirq_handle_end kernel/softirq.c:425 [inline]
softirqs last  enabled at (847388): [<ffff8000803cee94>] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607
softirqs last disabled at (847265): [<ffff800080020efc>] __do_softirq+0x14/0x20 kernel/softirq.c:613
---[ end trace 0000000000000000 ]---
BTRFS info (device loop1 state A): dumping space info:
BTRFS info (device loop1 state A): space_info DATA+METADATA (sub-group id 0) has 8781824 free, is not full
BTRFS info (device loop1 state A): space_info total=11534336, used=53248, pinned=0, reserved=12288, may_use=2686976, readonly=0 zone_unusable=0
BTRFS info (device loop1 state A): space_info SYSTEM (sub-group id 0) has -98304 free, is not full
BTRFS info (device loop1 state A): space_info total=4194304, used=4096, pinned=0, reserved=0, may_use=98304, readonly=4190208 zone_unusable=0
BTRFS info (device loop1 state A): global_block_rsv: size 1441792 reserved 1441792
BTRFS info (device loop1 state A): trans_block_rsv: size 0 reserved 0
BTRFS info (device loop1 state A): chunk_block_rsv: size 98304 reserved 98304
BTRFS info (device loop1 state A): delayed_block_rsv: size 393216 reserved 393216
BTRFS info (device loop1 state A): delayed_refs_rsv: size 851968 reserved 851968
BTRFS: error (device loop1 state A) in do_chunk_alloc:3990: errno=-28 No space left
BTRFS info (device loop1 state EA): forced readonly