BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) BTRFS info (device loop1): balance: start -d -m -s BTRFS info (device loop1): relocating block group 6881280 flags data|metadata ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4323 at fs/btrfs/volumes.c:3253 btrfs_remove_chunk+0x11d8/0x1754 fs/btrfs/volumes.c:3253 Modules linked in: CPU: 0 PID: 4323 Comm: syz-executor310 Not tainted 5.15.180-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : btrfs_remove_chunk+0x11d8/0x1754 fs/btrfs/volumes.c:3253 lr : btrfs_remove_chunk+0x11d8/0x1754 fs/btrfs/volumes.c:3253 sp : ffff800020e376a0 x29: ffff800020e37820 x28: ffff0000e5c71d68 x27: ffff0000e5c71d10 x26: ffffffffffffffe4 x25: dfff800000000000 x24: ffff0000d2230ea0 x23: ffff7000041c6eec x22: 1fffe0001a0e3f60 x21: ffff0000d071fb00 x20: ffff0000e5c71d5c x19: 00000000ffffffe4 x18: 0000000000000001 x17: 0000000000000000 x16: ffff800011b616c4 x15: 00000000ffffffff x14: ffff0000c226d1c0 x13: 0000000000000001 x12: 0000000000000001 x11: 0000000000000000 x10: 0000000000000000 x9 : 93596e5baa520d00 x8 : 93596e5baa520d00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800020e36e18 x4 : ffff800014c5fe40 x3 : ffff800008559804 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 Call trace: btrfs_remove_chunk+0x11d8/0x1754 fs/btrfs/volumes.c:3253 btrfs_relocate_chunk+0x1d0/0x280 fs/btrfs/volumes.c:3370 __btrfs_balance+0x1214/0x1e20 fs/btrfs/volumes.c:4073 btrfs_balance+0xaa8/0x111c fs/btrfs/volumes.c:4463 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: 74826 hardirqs last enabled at (74825): [] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257 hardirqs last disabled at (74826): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (73024): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (73022): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace ad18d31455bdd256 ]--- BTRFS: error (device loop1) in btrfs_remove_chunk:3253: errno=-28 No space left BTRFS info (device loop1): forced readonly BTRFS info (device loop1): 2 enospc errors during balance BTRFS info (device loop1): balance: ended with status: -30