BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
BTRFS info (device loop0): balance: start -s
BTRFS info (device loop0): relocating block group 1048576 flags system
------------[ cut here ]------------
WARNING: CPU: 1 PID: 7521 at fs/btrfs/volumes.c:3217 btrfs_remove_chunk+0x11d8/0x1754 fs/btrfs/volumes.c:3217
Modules linked in:
CPU: 1 PID: 7521 Comm: syz-executor.0 Not tainted 5.15.161-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : btrfs_remove_chunk+0x11d8/0x1754 fs/btrfs/volumes.c:3217
lr : btrfs_remove_chunk+0x11d8/0x1754 fs/btrfs/volumes.c:3217
sp : ffff80001d7376a0
x29: ffff80001d737820 x28: ffff0000dc5ea478 x27: ffff0000dc5ea420
x26: ffffffffffffffe4 x25: dfff800000000000 x24: ffff000103e588f0
x23: ffff700003ae6eec x22: 1fffe00018530400 x21: ffff0000c2982000
x20: ffff0000dc5ea46c x19: 00000000ffffffe4 x18: 0000000000000001
x17: 0000000000000002 x16: ffff80001199d104 x15: 00000000ffffffff
x14: ffff0000d5728000 x13: 0000000000000001 x12: 0000000000040000
x11: 000000000003ffff x10: ffff8000209d9000 x9 : d9d36f4afa955900
x8 : d9d36f4afa955900 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80001d736e18 x4 : ffff800014a2f7a0 x3 : ffff8000085503f4
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026
Call trace:
 btrfs_remove_chunk+0x11d8/0x1754 fs/btrfs/volumes.c:3217
 btrfs_relocate_chunk+0x1d0/0x280 fs/btrfs/volumes.c:3334
 __btrfs_balance+0x1214/0x1e20 fs/btrfs/volumes.c:4037
 btrfs_balance+0xaa8/0x111c fs/btrfs/volumes.c:4427
 btrfs_ioctl_balance+0x50c/0x7b4 fs/btrfs/ioctl.c:4152
 btrfs_ioctl+0x8d4/0xa5c fs/btrfs/ioctl.c:5012
 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:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
irq event stamp: 87608
hardirqs last  enabled at (87607): [<ffff80000832c61c>] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257
hardirqs last disabled at (87608): [<ffff800011998790>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (86194): [<ffff8000081b6494>] softirq_handle_end kernel/softirq.c:401 [inline]
softirqs last  enabled at (86194): [<ffff8000081b6494>] handle_softirqs+0xb88/0xdbc kernel/softirq.c:586
softirqs last disabled at (86075): [<ffff8000081b6b2c>] __do_softirq kernel/softirq.c:592 [inline]
softirqs last disabled at (86075): [<ffff8000081b6b2c>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (86075): [<ffff8000081b6b2c>] invoke_softirq kernel/softirq.c:439 [inline]
softirqs last disabled at (86075): [<ffff8000081b6b2c>] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641
---[ end trace 17dfde69bed80eb4 ]---
BTRFS: error (device loop0) in btrfs_remove_chunk:3217: 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