------------[ cut here ]------------
WARNING: CPU: 0 PID: 4698 at fs/btrfs/block-group.c:3688 do_chunk_alloc fs/btrfs/block-group.c:3688 [inline]
WARNING: CPU: 0 PID: 4698 at fs/btrfs/block-group.c:3688 btrfs_chunk_alloc+0xe08/0x1150 fs/btrfs/block-group.c:3930
Modules linked in:
CPU: 0 PID: 4698 Comm: kworker/u4:8 Not tainted 6.1.140-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
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:3688 [inline]
pc : btrfs_chunk_alloc+0xe08/0x1150 fs/btrfs/block-group.c:3930
lr : do_chunk_alloc fs/btrfs/block-group.c:3688 [inline]
lr : btrfs_chunk_alloc+0xe08/0x1150 fs/btrfs/block-group.c:3930
sp : ffff800020c978c0
x29: ffff800020c97920 x28: ffff0000f3fd5000 x27: ffffffffffffffe4
x26: ffff0000dd950000 x25: 1fffe0001ec30813 x24: ffff0000dd950000
x23: ffff0000d7283690 x22: 0000000000000000 x21: 0000000000000000
x20: ffff0000f6184000 x19: dfff800000000000 x18: ffff800011a7bd00
x17: 0000000000000000 x16: ffff8000082d1c1c x15: 0000000000000000
x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000ff0100
x11: ff008000081913ec x10: 0000000000000000 x9 : ac54d745599f1f00
x8 : ac54d745599f1f00 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff800020c97358 x4 : ffff800015154740 x3 : ffff80000852df5c
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000
Call trace:
 do_chunk_alloc fs/btrfs/block-group.c:3688 [inline]
 btrfs_chunk_alloc+0xe08/0x1150 fs/btrfs/block-group.c:3930
 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:864
irq event stamp: 744350
hardirqs last  enabled at (744349): [<ffff800008307d34>] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:261
hardirqs last disabled at (744350): [<ffff8000119153e0>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (743402): [<ffff8000080306dc>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (743400): [<ffff8000080306a8>] 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 8990720 free, is not full
BTRFS info (device loop1: state A): space_info total=11534336, used=53248, pinned=0, reserved=12288, may_use=2478080, 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 393216 reserved 393216
BTRFS info (device loop1: state A): delayed_refs_rsv: size 917504 reserved 643072
BTRFS: error (device loop1: state A) in do_chunk_alloc:3688: errno=-28 No space left
BTRFS info (device loop1: state EA): forced readonly