BTRFS info (device loop1): relocating block group 1048576 flags system ------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 0 PID: 4441 at fs/btrfs/volumes.c:3164 btrfs_remove_chunk+0x83c/0x9d0 fs/btrfs/volumes.c:3164 Modules linked in: CPU: 0 PID: 4441 Comm: syz-executor254 Not tainted 6.2.0-rc5-syzkaller-17291-g2e84eedb182e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : btrfs_remove_chunk+0x83c/0x9d0 fs/btrfs/volumes.c:3164 lr : btrfs_remove_chunk+0x83c/0x9d0 fs/btrfs/volumes.c:3164 sp : ffff800010fabad0 x29: ffff800010fabaf0 x28: 0000000000000001 x27: ffff0000c961b400 x26: ffff0000ca60dc78 x25: ffff0000ccd31180 x24: ffff0000c6d10000 x23: 0000000000100000 x22: ffffffffffffffe4 x21: ffff0000ccda91b0 x20: ffff0000cb384068 x19: 0000000000000000 x18: 0000000000000319 x17: ffff80000c16e8bc x16: ffff80000dd97118 x15: ffff0000cccd9a00 x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000cccd9a00 x11: ff808000081d0450 x10: 0000000000000000 x9 : 59a315d432743900 x8 : 59a315d432743900 x7 : ffff80000816ead8 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000006 x1 : 0000000100000000 x0 : 0000000000000026 Call trace: btrfs_remove_chunk+0x83c/0x9d0 fs/btrfs/volumes.c:3164 btrfs_relocate_chunk+0x16c/0x200 fs/btrfs/volumes.c:3287 __btrfs_balance+0xb64/0xd1c fs/btrfs/volumes.c:3977 btrfs_balance+0x774/0xb74 fs/btrfs/volumes.c:4361 btrfs_ioctl_balance+0x264/0x46c fs/btrfs/ioctl.c:3591 btrfs_ioctl+0x6b4/0xa64 fs/btrfs/ioctl.c:4622 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __arm64_sys_ioctl+0xd0/0x140 fs/ioctl.c:856 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall arch/arm64/kernel/syscall.c:52 [inline] el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x48/0x104 arch/arm64/kernel/syscall.c:193 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:584 irq event stamp: 66420 hardirqs last enabled at (66419): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1370 [inline] hardirqs last enabled at (66419): [] finish_lock_switch+0x94/0xe8 kernel/sched/core.c:5052 hardirqs last disabled at (66420): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (63758): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (63756): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- BTRFS info (device loop1: state A): dumping space info: BTRFS info (device loop1: state A): space_info DATA+METADATA has 1867776 free, is not full BTRFS info (device loop1: state A): space_info total=3276800, used=61440, pinned=0, reserved=8192, may_use=1339392, readonly=0 zone_unusable=0 BTRFS info (device loop1: state A): space_info SYSTEM has 8253440 free, is not full BTRFS info (device loop1: state A): space_info total=12451840, used=4096, pinned=0, reserved=0, may_use=0, readonly=4194304 zone_unusable=0 BTRFS info (device loop1: state A): global_block_rsv: size 917504 reserved 913408 BTRFS info (device loop1: state A): trans_block_rsv: size 262144 reserved 262144 BTRFS info (device loop1: state A): chunk_block_rsv: size 0 reserved 0 BTRFS info (device loop1: state A): delayed_block_rsv: size 0 reserved 0 BTRFS info (device loop1: state A): delayed_refs_rsv: size 524288 reserved 163840 BTRFS: error (device loop1: state A) in btrfs_remove_chunk:3164: errno=-28 No space left BTRFS info (device loop1: state EA): forced readonly BTRFS info (device loop1: state EA): 1 enospc errors during balance BTRFS info (device loop1: state EA): balance: ended with status: -28