BTRFS info (device loop2): relocating block group 5242880 flags data|metadata
BTRFS warning (device loop2): Skipping commit of aborted transaction.
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BTRFS: Transaction aborted (error -28)
WARNING: CPU: 0 PID: 8035 at fs/btrfs/transaction.c:2023 cleanup_transaction+0x6a4/0x874 fs/btrfs/transaction.c:2023
Modules linked in:
CPU: 0 UID: 0 PID: 8035 Comm: syz.2.64 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : cleanup_transaction+0x6a4/0x874 fs/btrfs/transaction.c:2023
lr : cleanup_transaction+0x6a4/0x874 fs/btrfs/transaction.c:2023
sp : ffff80009e267280
x29: ffff80009e267360 x28: dfff800000000000 x27: ffff700013c4ce58
x26: 0000000000000000 x25: 0000000000000000 x24: ffff0000c15d2500
x23: 00000000ffffffe4 x22: 1fffe000182ba4a0 x21: ffff0000d2a62000
x20: ffff0000e2a48000 x19: ffff0000c15d24a0 x18: 00000000ffffffff
x17: 6361736e61727420 x16: ffff80008b065bd0 x15: 0000000000000001
x14: 1fffe00033771cf2 x13: 0000000000000000 x12: 0000000000000000
x11: ffff600033771cf3 x10: 0000000000ff0100 x9 : 3766a6d224017c00
x8 : 3766a6d224017c00 x7 : ffff80008056636c x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d4240
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000
Call trace:
 cleanup_transaction+0x6a4/0x874 fs/btrfs/transaction.c:2023 (P)
 btrfs_commit_transaction+0x22d8/0x2ce4 fs/btrfs/transaction.c:2614
 prepare_to_relocate+0x308/0x3e0 fs/btrfs/relocation.c:3500
 relocate_block_group+0x110/0xb64 fs/btrfs/relocation.c:3525
 btrfs_relocate_block_group+0x654/0xacc fs/btrfs/relocation.c:3997
 btrfs_relocate_chunk+0x108/0x54c fs/btrfs/volumes.c:3451
 __btrfs_balance+0x1358/0x1d30 fs/btrfs/volumes.c:4227
 btrfs_balance+0x8cc/0xf58 fs/btrfs/volumes.c:4604
 btrfs_ioctl_balance+0x350/0x550 fs/btrfs/ioctl.c:3577
 btrfs_ioctl+0xb04/0xc3c fs/btrfs/ioctl.c:5298
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:598 [inline]
 __se_sys_ioctl fs/ioctl.c:584 [inline]
 __arm64_sys_ioctl+0x14c/0x1c4 fs/ioctl.c:584
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x5c/0x254 arch/arm64/kernel/entry-common.c:744
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596
irq event stamp: 47574
hardirqs last  enabled at (47573): [<ffff80008055c15c>] vprintk_store+0x898/0xac8 kernel/printk/printk.c:2356
hardirqs last disabled at (47574): [<ffff80008b05ee64>] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434
softirqs last  enabled at (46116): [<ffff8000803db160>] softirq_handle_end kernel/softirq.c:425 [inline]
softirqs last  enabled at (46116): [<ffff8000803db160>] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607
softirqs last disabled at (46075): [<ffff800080022028>] __do_softirq+0x14/0x20 kernel/softirq.c:613
---[ end trace 0000000000000000 ]---
BTRFS: error (device loop2 state A) in cleanup_transaction:2023: errno=-28 No space left