------------[ cut here ]------------
WARNING: CPU: 0 PID: 9 at fs/btrfs/block-group.c:3692 do_chunk_alloc fs/btrfs/block-group.c:3692 [inline]
WARNING: CPU: 0 PID: 9 at fs/btrfs/block-group.c:3692 btrfs_chunk_alloc+0xe08/0x1150 fs/btrfs/block-group.c:3934
Modules linked in:
CPU: 0 PID: 9 Comm: kworker/u4:0 Not tainted 6.1.142-syzkaller #0
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:3692 [inline]
pc : btrfs_chunk_alloc+0xe08/0x1150 fs/btrfs/block-group.c:3934
lr : do_chunk_alloc fs/btrfs/block-group.c:3692 [inline]
lr : btrfs_chunk_alloc+0xe08/0x1150 fs/btrfs/block-group.c:3934
sp : ffff80001c8278c0
x29: ffff80001c827920 x28: ffff0000df514000 x27: ffffffffffffffe4
x26: ffff0000eaf54000 x25: 1fffe0001e786313 x24: ffff0000eaf54000
x23: ffff0000e0166930 x22: 0000000000000000 x21: 0000000000000000
x20: ffff0000f3c31800 x19: dfff800000000000 x18: ffff800011a8bce0
x17: 0000000000000000 x16: ffff8000082d2400 x15: 0000000000000000
x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000ff0100
x11: ff00800008191c9c x10: 0000000000000000 x9 : e0dac58cff824900
x8 : e0dac58cff824900 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80001c827358 x4 : ffff800015164800 x3 : ffff80000852e344
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000
Call trace:
 do_chunk_alloc fs/btrfs/block-group.c:3692 [inline]
 btrfs_chunk_alloc+0xe08/0x1150 fs/btrfs/block-group.c:3934
 flush_space+0x858/0xcdc fs/btrfs/space-info.c:766
 btrfs_async_reclaim_metadata_space+0x25c/0x308 fs/btrfs/space-info.c:1080
 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292
 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:849
irq event stamp: 1341816
hardirqs last  enabled at (1341815): [<ffff800008308518>] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:261
hardirqs last disabled at (1341816): [<ffff800011925d68>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (1341502): [<ffff800008030900>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (1341500): [<ffff8000080308cc>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---
BTRFS info (device loop1: state A): dumping space info:
BTRFS info (device loop1: state A): space_info DATA+METADATA has 9056256 free, is not full
BTRFS info (device loop1: state A): space_info total=11534336, used=53248, pinned=0, reserved=12288, may_use=2412544, readonly=0 zone_unusable=0
BTRFS info (device loop1: state A): space_info SYSTEM 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 294912 reserved 294912
BTRFS info (device loop1: state A): delayed_refs_rsv: size 917504 reserved 675840
BTRFS: error (device loop1: state A) in do_chunk_alloc:3692: errno=-28 No space left
BTRFS info (device loop1: state EA): forced readonly
BTRFS: error (device loop1: state EA) in btrfs_create_pending_block_groups:2546: errno=-28 No space left