------------[ cut here ]------------
WARNING: CPU: 1 PID: 5931 at fs/btrfs/volumes.c:3259 btrfs_remove_chunk+0x1130/0x16b4 fs/btrfs/volumes.c:3259
Modules linked in:
CPU: 1 PID: 5931 Comm: syz.5.452 Not tainted 5.15.187-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : btrfs_remove_chunk+0x1130/0x16b4 fs/btrfs/volumes.c:3259
lr : btrfs_remove_chunk+0x1130/0x16b4 fs/btrfs/volumes.c:3259
sp : ffff80001fcb7720
x29: ffff80001fcb7880 x28: ffff0000dcf379a0 x27: ffff80001fcb77c0
x26: dfff800000000000 x25: ffffffffffffffe4 x24: 1fffe0001b9e6f3d
x23: ffff0000dcf379ec x22: ffff0000ef736158 x21: 0000000000690000
x20: 00000000ffffffe4 x19: ffff0000dcf379f8 x18: 0000000000000001
x17: 0000000000000002 x16: ffff8000111d162c x15: 00000000ffffffff
x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000080000
x11: 000000000007ffff x10: ffff800022dcb000 x9 : 6dc2de5572aec700
x8 : 6dc2de5572aec700 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80001fcb7018 x4 : ffff80001425f400 x3 : ffff8000085051a4
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026
Call trace:
 btrfs_remove_chunk+0x1130/0x16b4 fs/btrfs/volumes.c:3259
 btrfs_relocate_chunk+0x1d0/0x280 fs/btrfs/volumes.c:3376
 __btrfs_balance+0x1170/0x1ba4 fs/btrfs/volumes.c:4079
 btrfs_balance+0xac4/0x1138 fs/btrfs/volumes.c:4469
 btrfs_ioctl_balance+0x4cc/0x658 fs/btrfs/ioctl.c:4152
 btrfs_ioctl+0x8d0/0xb38 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+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
irq event stamp: 85382
hardirqs last  enabled at (85381): [<ffff8000082f8f64>] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257
hardirqs last disabled at (85382): [<ffff8000111cce8c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (85318): [<ffff80000819e9e8>] softirq_handle_end kernel/softirq.c:419 [inline]
softirqs last  enabled at (85318): [<ffff80000819e9e8>] handle_softirqs+0xa4c/0xbf0 kernel/softirq.c:604
softirqs last disabled at (85189): [<ffff80000819efec>] __do_softirq kernel/softirq.c:610 [inline]
softirqs last disabled at (85189): [<ffff80000819efec>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (85189): [<ffff80000819efec>] invoke_softirq kernel/softirq.c:457 [inline]
softirqs last disabled at (85189): [<ffff80000819efec>] __irq_exit_rcu+0x240/0x440 kernel/softirq.c:659
---[ end trace fab75b60b22a49d3 ]---
BTRFS: error (device loop5) in btrfs_remove_chunk:3259: errno=-28 No space left
BTRFS info (device loop5): forced readonly
BTRFS info (device loop5): 1 enospc errors during balance
BTRFS info (device loop5): balance: ended with status: -30