BTRFS info (device loop0): balance: start -s
BTRFS info (device loop0): relocating block group 1048576 flags system
------------[ cut here ]------------
WARNING: CPU: 1 PID: 5989 at fs/btrfs/volumes.c:3192 btrfs_remove_chunk+0x11d8/0x1754 fs/btrfs/volumes.c:3192
Modules linked in:
CPU: 1 PID: 5989 Comm: syz-executor.0 Not tainted 5.15.104-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : btrfs_remove_chunk+0x11d8/0x1754 fs/btrfs/volumes.c:3192
lr : btrfs_remove_chunk+0x11d8/0x1754 fs/btrfs/volumes.c:3192
sp : ffff80001faa76a0
x29: ffff80001faa7820 x28: ffff0000d3ac3108 x27: ffff0000d3ac30b0
x26: ffffffffffffffe4 x25: dfff800000000000 x24: ffff0000d83cddd0
x23: ffff700003f54eec x22: 1fffe0001931b500 x21: ffff0000c98da800
x20: ffff0000d3ac30fc x19: 00000000ffffffe4 x18: 0000000000000001
x17: ff808000083335b8 x16: ffff80001193d804 x15: ffff8000083335b8
x14: 00000000ffffffff x13: ffffffffffffffff x12: 0000000000040000
x11: 000000000003ffff x10: ffff80001de39000 x9 : 45c52248cbf5a300
x8 : 45c52248cbf5a300 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80001faa6e18 x4 : ffff80001499f940 x3 : ffff800008549a30
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026
Call trace:
 btrfs_remove_chunk+0x11d8/0x1754 fs/btrfs/volumes.c:3192
 btrfs_relocate_chunk+0x1d0/0x280 fs/btrfs/volumes.c:3309
 __btrfs_balance+0x1214/0x1e20 fs/btrfs/volumes.c:4001
 btrfs_balance+0xaa8/0x111c fs/btrfs/volumes.c:4391
 btrfs_ioctl_balance+0x50c/0x7b4 fs/btrfs/ioctl.c:4125
 btrfs_ioctl+0x8d4/0xa5c fs/btrfs/ioctl.c:4978
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:874 [inline]
 __se_sys_ioctl fs/ioctl.c:860 [inline]
 __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:860
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
irq event stamp: 87842
hardirqs last  enabled at (87841): [<ffff8000083291f8>] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257
hardirqs last disabled at (87842): [<ffff800011938e98>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387
softirqs last  enabled at (87830): [<ffff800008020ccc>] softirq_handle_end kernel/softirq.c:401 [inline]
softirqs last  enabled at (87830): [<ffff800008020ccc>] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587
softirqs last disabled at (87735): [<ffff8000081b4ee0>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (87735): [<ffff8000081b4ee0>] invoke_softirq kernel/softirq.c:439 [inline]
softirqs last disabled at (87735): [<ffff8000081b4ee0>] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636
---[ end trace 3a3353845bc46ef2 ]---
BTRFS: error (device loop0) in btrfs_remove_chunk:3192: errno=-28 No space left
BTRFS info (device loop0): forced readonly
BTRFS info (device loop0): 1 enospc errors during balance
BTRFS info (device loop0): balance: ended with status: -28