------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 0 PID: 6971 at fs/btrfs/volumes.c:3426 btrfs_remove_chunk+0x15ec/0x1a34 fs/btrfs/volumes.c:3426 Modules linked in: CPU: 0 UID: 0 PID: 6971 Comm: syz-executor.4 Not tainted 6.14.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : btrfs_remove_chunk+0x15ec/0x1a34 fs/btrfs/volumes.c:3426 lr : btrfs_remove_chunk+0x15ec/0x1a34 fs/btrfs/volumes.c:3426 sp : ffff8000a20076c0 x29: ffff8000a2007840 x28: 0000000000100000 x27: ffff0000db1eb3d8 x26: dfff800000000000 x25: ffff0000d5334500 x24: ffffffffffffffe4 x23: dfff800000000000 x22: ffff700014400ef0 x21: ffff0000db1eb378 x20: dfff800000000000 x19: 0000000000000000 x18: 1fffe000366f1c86 x17: ffff80008fbcd000 x16: ffff800080469d6c x15: 0000000000000001 x14: 1fffe000366f46e0 x13: ffff8000a2008000 x12: 0000000000000003 x11: 0000000000000001 x10: 0000000000000003 x9 : 7453356c86fb3500 x8 : 7453356c86fb3500 x7 : ffff8000803d5ea8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000006 x1 : ffff80008b8ba160 x0 : ffff800123c76000 Call trace: btrfs_remove_chunk+0x15ec/0x1a34 fs/btrfs/volumes.c:3426 (P) btrfs_relocate_chunk+0x268/0x37c fs/btrfs/volumes.c:3556 __btrfs_balance+0x1454/0x1db4 fs/btrfs/volumes.c:4292 btrfs_balance+0xa38/0xe50 fs/btrfs/volumes.c:4669 btrfs_ioctl_balance+0x360/0x644 fs/btrfs/ioctl.c:3587 btrfs_ioctl+0x740/0xb28 fs/btrfs/ioctl.c:5305 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl fs/ioctl.c:892 [inline] __arm64_sys_ioctl+0x14c/0x1cc fs/ioctl.c:892 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 irq event stamp: 69842 hardirqs last enabled at (69841): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1533 [inline] hardirqs last enabled at (69841): [] finish_lock_switch+0xbc/0x1e4 kernel/sched/core.c:5131 hardirqs last disabled at (69842): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:488 softirqs last enabled at (68992): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (68990): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- BTRFS info (device loop4 state A): dumping space info: BTRFS info (device loop4 state A): space_info DATA+METADATA has 720896 free, is not full BTRFS info (device loop4 state A): space_info total=3276800, used=61440, pinned=0, reserved=8192, may_use=2486272, 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 524288 BTRFS: error (device loop4 state A) in btrfs_remove_chunk:3426: 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