BTRFS info (device loop4): balance: start -s BTRFS info (device loop4): relocating block group 1048576 flags system ------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 0 PID: 6803 at fs/btrfs/volumes.c:3198 btrfs_remove_chunk+0x133c/0x18ac fs/btrfs/volumes.c:3198 Modules linked in: CPU: 0 PID: 6803 Comm: syz-executor.4 Not tainted 6.5.0-rc7-syzkaller-00071-gfe4469582053 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : btrfs_remove_chunk+0x133c/0x18ac fs/btrfs/volumes.c:3198 lr : btrfs_remove_chunk+0x133c/0x18ac fs/btrfs/volumes.c:3198 sp : ffff8000979576a0 x29: ffff800097957820 x28: 0000000000100000 x27: ffff0000df8e7788 x26: dfff800000000000 x25: ffffffffffffffe4 x24: ffff0000d4564410 x23: ffff700012f2aeec x22: 1fffe0001cbe6b70 x21: ffff0000e5f35b80 x20: 0000000000000000 x19: 0000000000000000 x18: 1fffe0003683adc6 x17: ffff80008e09d000 x16: ffff8000803199ec x15: 0000000000000001 x14: 1fffe0003683d530 x13: 0000000000000000 x12: 0000000000000003 x11: 0000000000000001 x10: 0000000000000003 x9 : 988ad4d181b69d00 x8 : 988ad4d181b69d00 x7 : ffff800080292a1c x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000006 x1 : ffff80008a6dc4a0 x0 : ffff8001261ea000 Call trace: btrfs_remove_chunk+0x133c/0x18ac fs/btrfs/volumes.c:3198 btrfs_relocate_chunk+0x260/0x368 fs/btrfs/volumes.c:3328 __btrfs_balance+0x1454/0x1db4 fs/btrfs/volumes.c:4018 btrfs_balance+0xa38/0xe50 fs/btrfs/volumes.c:4395 btrfs_ioctl_balance+0x3e4/0x778 fs/btrfs/ioctl.c:3604 btrfs_ioctl+0x72c/0xb08 fs/btrfs/ioctl.c:4637 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+0x14c/0x1c8 fs/ioctl.c:856 __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+0x58/0x16c 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:591 irq event stamp: 87890 hardirqs last enabled at (87889): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1378 [inline] hardirqs last enabled at (87889): [] finish_lock_switch+0xbc/0x1e4 kernel/sched/core.c:5133 hardirqs last disabled at (87890): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:436 softirqs last enabled at (87872): [] softirq_handle_end kernel/softirq.c:399 [inline] softirqs last enabled at (87872): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:582 softirqs last disabled at (87521): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- BTRFS info (device loop4: state A): dumping space info: BTRFS info (device loop4: state A): space_info DATA+METADATA has 1245184 free, is not full BTRFS info (device loop4: state A): space_info total=3276800, used=61440, pinned=0, reserved=8192, may_use=1961984, readonly=0 zone_unusable=0 BTRFS info (device loop4: state A): space_info SYSTEM has 8253440 free, is not full BTRFS info (device loop4: state A): space_info total=12451840, used=4096, pinned=0, reserved=0, may_use=0, readonly=4194304 zone_unusable=0 BTRFS info (device loop4: state A): global_block_rsv: size 1441792 reserved 1437696 BTRFS info (device loop4: state A): trans_block_rsv: size 262144 reserved 262144 BTRFS info (device loop4: state A): chunk_block_rsv: size 0 reserved 0 BTRFS info (device loop4: state A): delayed_block_rsv: size 0 reserved 0 BTRFS info (device loop4: state A): delayed_refs_rsv: size 524288 reserved 262144 BTRFS: error (device loop4: state A) in btrfs_remove_chunk:3198: errno=-28 No space left BTRFS info (device loop4: state EA): forced readonly BTRFS info (device loop4: state EA): 1 enospc errors during balance BTRFS info (device loop4: state EA): balance: ended with status: -28