------------[ cut here ]------------
BTRFS: Transaction aborted (error -28)
WARNING: CPU: 0 PID: 42 at fs/btrfs/block-group.c:4007 do_chunk_alloc fs/btrfs/block-group.c:4007 [inline]
WARNING: CPU: 0 PID: 42 at fs/btrfs/block-group.c:4007 btrfs_chunk_alloc+0xfd4/0x150c fs/btrfs/block-group.c:4248
Modules linked in:
CPU: 0 UID: 0 PID: 42 Comm: kworker/u8:3 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
Workqueue: events_unbound btrfs_async_reclaim_metadata_space
pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : do_chunk_alloc fs/btrfs/block-group.c:4007 [inline]
pc : btrfs_chunk_alloc+0xfd4/0x150c fs/btrfs/block-group.c:4248
lr : do_chunk_alloc fs/btrfs/block-group.c:4007 [inline]
lr : btrfs_chunk_alloc+0xfd4/0x150c fs/btrfs/block-group.c:4248
sp : ffff8000992e77e0
x29: ffff8000992e7840 x28: ffff0000c2fba000 x27: ffffffffffffffe4
x26: 0000000000000001 x25: ffff0000d95c4000 x24: ffff0000d61358b4
x23: dfff800000000000 x22: dfff800000000000 x21: 0000000000000000
x20: 0000000000000000 x19: ffff0000d6135800 x18: 00000000ffffffff
x17: ffff80008255f834 x16: ffff80008b020930 x15: 0000000000000001
x14: 1ffff0001325ce6c x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000000000 x10: 0000000000ff0100 x9 : 88101243dc802500
x8 : 88101243dc802500 x7 : ffff80008056536c x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807e00b4
x2 : 0000000000000002 x1 : 0000000100000000 x0 : 0000000000000000
Call trace:
 do_chunk_alloc fs/btrfs/block-group.c:4007 [inline] (P)
 btrfs_chunk_alloc+0xfd4/0x150c fs/btrfs/block-group.c:4248 (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:3236
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x958/0xed8 kernel/workqueue.c:3400
 kthread+0x5fc/0x75c kernel/kthread.c:463
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844
irq event stamp: 115904
hardirqs last  enabled at (115903): [<ffff80008b01f664>] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214
hardirqs last disabled at (115904): [<ffff80008b019ab4>] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434
softirqs last  enabled at (115386): [<ffff8000803da160>] softirq_handle_end kernel/softirq.c:425 [inline]
softirqs last  enabled at (115386): [<ffff8000803da160>] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607
softirqs last disabled at (115349): [<ffff800080022028>] __do_softirq+0x14/0x20 kernel/softirq.c:613
---[ end trace 0000000000000000 ]---
BTRFS info (device loop2 state A): dumping space info:
BTRFS info (device loop2 state A): space_info DATA+METADATA (sub-group id 0) has 8880128 free, is not full
BTRFS info (device loop2 state A): space_info total=11534336, used=53248, pinned=0, reserved=12288, may_use=2588672, readonly=0 zone_unusable=0
BTRFS info (device loop2 state A): space_info SYSTEM (sub-group id 0) has -98304 free, is not full
BTRFS info (device loop2 state A): space_info total=4194304, used=4096, pinned=0, reserved=0, may_use=98304, readonly=4190208 zone_unusable=0
BTRFS info (device loop2 state A): global_block_rsv: size 1441792 reserved 1441792
BTRFS info (device loop2 state A): trans_block_rsv: size 0 reserved 0
BTRFS info (device loop2 state A): chunk_block_rsv: size 98304 reserved 98304
BTRFS info (device loop2 state A): delayed_block_rsv: size 294912 reserved 294912
BTRFS info (device loop2 state A): delayed_refs_rsv: size 851968 reserved 851968
BTRFS: error (device loop2 state A) in do_chunk_alloc:4007: errno=-28 No space left
BTRFS info (device loop2 state EA): forced readonly
BTRFS: error (device loop2 state EA) in btrfs_create_pending_block_groups:2803: errno=-28 No space left