BTRFS info (device loop0): relocating block group 1048576 flags system ------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 0 PID: 12655 at fs/btrfs/volumes.c:3152 btrfs_remove_chunk+0x1418/0x181c fs/btrfs/volumes.c:3152 Modules linked in: CPU: 0 PID: 12655 Comm: syz-executor.0 Not tainted 6.7.0-rc8-syzkaller-g0802e17d9aca #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : btrfs_remove_chunk+0x1418/0x181c fs/btrfs/volumes.c:3152 lr : btrfs_remove_chunk+0x1418/0x181c fs/btrfs/volumes.c:3152 sp : ffff8000a54776a0 x29: ffff8000a5477820 x28: 0000000000100000 x27: ffff0001013a1878 x26: dfff800000000000 x25: ffffffffffffffe4 x24: ffff0000f7ab5410 x23: ffff700014a8eeec x22: 1fffe0001982dc70 x21: ffff0001013a1818 x20: 0000000000000000 x19: 0000000000000000 x18: 1fffe000368261ce x17: ffff80008e4ed000 x16: ffff800080318564 x15: 0000000000000001 x14: 1fffe000368289b0 x13: 0000000000000000 x12: 0000000000000003 x11: 0000000000000001 x10: 0000000000000003 x9 : d14e8c3e4d916900 x8 : d14e8c3e4d916900 x7 : ffff80008028f8d0 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000006 x1 : ffff80008a99d720 x0 : ffff800125cea000 Call trace: btrfs_remove_chunk+0x1418/0x181c fs/btrfs/volumes.c:3152 btrfs_relocate_chunk+0x268/0x37c fs/btrfs/volumes.c:3282 __btrfs_balance+0x1454/0x1db4 fs/btrfs/volumes.c:3972 btrfs_balance+0xa38/0xe50 fs/btrfs/volumes.c:4349 btrfs_ioctl_balance+0x3e4/0x778 fs/btrfs/ioctl.c:3623 btrfs_ioctl+0x72c/0xb08 fs/btrfs/ioctl.c:4658 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:871 [inline] __se_sys_ioctl fs/ioctl.c:857 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:857 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 irq event stamp: 80488 hardirqs last enabled at (80487): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1361 [inline] hardirqs last enabled at (80487): [] finish_lock_switch+0xbc/0x1e4 kernel/sched/core.c:5130 hardirqs last disabled at (80488): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:436 softirqs last enabled at (80236): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (80234): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- BTRFS info (device loop0: state A): dumping space info: BTRFS info (device loop0: state A): space_info DATA+METADATA has 720896 free, is not full BTRFS info (device loop0: state A): space_info total=3276800, used=61440, pinned=0, reserved=8192, may_use=2486272, readonly=0 zone_unusable=0 BTRFS info (device loop0: state A): space_info SYSTEM has -98304 free, is not full BTRFS info (device loop0: state A): space_info total=12451840, used=4096, pinned=0, reserved=0, may_use=98304, readonly=12447744 zone_unusable=0 BTRFS info (device loop0: state A): global_block_rsv: size 1441792 reserved 1437696 BTRFS info (device loop0: state A): trans_block_rsv: size 262144 reserved 262144 BTRFS info (device loop0: state A): chunk_block_rsv: size 98304 reserved 98304 BTRFS info (device loop0: state A): delayed_block_rsv: size 0 reserved 0 BTRFS info (device loop0: state A): delayed_refs_rsv: size 524288 reserved 524288 BTRFS: error (device loop0: state A) in btrfs_remove_chunk:3152: errno=-28 No space left BTRFS info (device loop0: state EA): forced readonly BTRFS info (device loop0: state EA): 1 enospc errors during balance BTRFS info (device loop0: state EA): balance: ended with status: -28