------------[ cut here ]------------
WARNING: CPU: 0 PID: 288 at fs/btrfs/block-group.c:3715 do_chunk_alloc fs/btrfs/block-group.c:3715 [inline]
WARNING: CPU: 0 PID: 288 at fs/btrfs/block-group.c:3715 btrfs_chunk_alloc+0xe08/0x1150 fs/btrfs/block-group.c:3957
Modules linked in:
CPU: 0 PID: 288 Comm: kworker/u4:4 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
Workqueue: events_unbound btrfs_async_reclaim_metadata_space
pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : do_chunk_alloc fs/btrfs/block-group.c:3715 [inline]
pc : btrfs_chunk_alloc+0xe08/0x1150 fs/btrfs/block-group.c:3957
lr : do_chunk_alloc fs/btrfs/block-group.c:3715 [inline]
lr : btrfs_chunk_alloc+0xe08/0x1150 fs/btrfs/block-group.c:3957
sp : ffff8000205778c0
x29: ffff800020577920 x28: ffff0000e0c87000 x27: ffffffffffffffe4
x26: ffff0000ef7a0000 x25: 1fffe0001b480f13 x24: ffff0000ef7a0000
x23: ffff0000dfa88150 x22: 0000000000000000 x21: 0000000000000000
x20: ffff0000da407800 x19: dfff800000000000 x18: ffff800011a5bd40
x17: 0000000000000000 x16: ffff8000082d3a08 x15: 0000000000000000
x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000ff0100
x11: ff008000081924a8 x10: 0000000000000000 x9 : 6724748b5e459f00
x8 : 6724748b5e459f00 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff800020577358 x4 : ffff800015134e00 x3 : ffff80000852f9b8
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000
Call trace:
 do_chunk_alloc fs/btrfs/block-group.c:3715 [inline]
 btrfs_chunk_alloc+0xe08/0x1150 fs/btrfs/block-group.c:3957
 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:850
irq event stamp: 4335526
hardirqs last  enabled at (4335525): [<ffff800008309b4c>] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:261
hardirqs last disabled at (4335526): [<ffff8000118fa220>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (4334988): [<ffff8000081aa3e0>] softirq_handle_end kernel/softirq.c:439 [inline]
softirqs last  enabled at (4334988): [<ffff8000081aa3e0>] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624
softirqs last disabled at (4334865): [<ffff800008020164>] __do_softirq+0x14/0x20 kernel/softirq.c:630
---[ end trace 0000000000000000 ]---
BTRFS info (device loop3: state A): dumping space info:
BTRFS info (device loop3: state A): space_info DATA+METADATA has 2441216 free, is not full
BTRFS info (device loop3: state A): space_info total=11534336, used=53248, pinned=20480, reserved=1073152, may_use=7946240, readonly=0 zone_unusable=0
BTRFS info (device loop3: state A): space_info SYSTEM has -98304 free, is not full
BTRFS info (device loop3: state A): space_info total=4194304, used=4096, pinned=0, reserved=0, may_use=98304, readonly=4190208 zone_unusable=0
BTRFS info (device loop3: state A): global_block_rsv: size 1441792 reserved 1441792
BTRFS info (device loop3: state A): trans_block_rsv: size 0 reserved 0
BTRFS info (device loop3: state A): chunk_block_rsv: size 98304 reserved 98304
BTRFS info (device loop3: state A): delayed_block_rsv: size 32768 reserved 32768
BTRFS info (device loop3: state A): delayed_refs_rsv: size 786432 reserved 786432
BTRFS: error (device loop3: state A) in do_chunk_alloc:3715: errno=-28 No space left
BTRFS info (device loop3: state EA): forced readonly