BTRFS info (device loop1): balance: start -susage=34359738372,drange=7..526332,limit=0..6 ------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 1 PID: 7439 at fs/btrfs/block-group.c:2789 btrfs_create_pending_block_groups+0xe80/0x1514 fs/btrfs/block-group.c:2789 Modules linked in: CPU: 1 UID: 0 PID: 7439 Comm: syz.1.196 Not tainted 6.17.0-rc1-syzkaller-g8f5ae30d69d7 #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : btrfs_create_pending_block_groups+0xe80/0x1514 fs/btrfs/block-group.c:2789 lr : btrfs_create_pending_block_groups+0xe80/0x1514 fs/btrfs/block-group.c:2789 sp : ffff8000a24074c0 x29: ffff8000a24076f0 x28: 1fffe0001aad0314 x27: ffff0000d5681850 x26: 1fffe0001aad030b x25: ffff0000d5681858 x24: ffff0000de8cc878 x23: dfff800000000000 x22: ffff0000ddcac000 x21: 0000000000000000 x20: 0000000000000000 x19: 00000000ffffffe4 x18: 00000000ffffffff x17: ffff800093507000 x16: ffff80008b007340 x15: 0000000000000001 x14: 1ffff00014480e08 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000080000 x10: 0000000000047531 x9 : baf553e08ba78100 x8 : baf553e08ba78100 x7 : ffff800080563af4 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de560 x2 : 0000000000000002 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: btrfs_create_pending_block_groups+0xe80/0x1514 fs/btrfs/block-group.c:2789 (P) __btrfs_end_transaction+0x134/0x5f4 fs/btrfs/transaction.c:1071 btrfs_end_transaction+0x24/0x34 fs/btrfs/transaction.c:1110 btrfs_inc_block_group_ro+0x588/0x62c fs/btrfs/block-group.c:3085 btrfs_relocate_block_group+0x314/0xacc fs/btrfs/relocation.c:3931 btrfs_relocate_chunk+0x108/0x54c fs/btrfs/volumes.c:3446 __btrfs_balance+0x1358/0x1d30 fs/btrfs/volumes.c:4222 btrfs_balance+0x8cc/0xf58 fs/btrfs/volumes.c:4599 btrfs_ioctl_balance+0x350/0x550 fs/btrfs/ioctl.c:3577 btrfs_ioctl+0xb04/0xc3c fs/btrfs/ioctl.c:5298 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:598 [inline] __se_sys_ioctl fs/ioctl.c:584 [inline] __arm64_sys_ioctl+0x14c/0x1c4 fs/ioctl.c:584 __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+0x58/0x180 arch/arm64/kernel/entry-common.c:879 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 47990 hardirqs last enabled at (47989): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (47989): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (47990): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (47910): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (47910): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (47877): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]--- BTRFS info (device loop1 state A): dumping space info: BTRFS info (device loop1 state A): space_info DATA+METADATA (sub-group id 0) has 1769472 free, is full BTRFS info (device loop1 state A): space_info total=3276800, used=61440, pinned=0, reserved=0, may_use=1445888, readonly=0 zone_unusable=0 BTRFS info (device loop1 state A): space_info SYSTEM (sub-group id 0) has 8253440 free, is not full BTRFS info (device loop1 state A): space_info total=12451840, used=4096, pinned=0, reserved=4096, may_use=0, readonly=4190208 zone_unusable=0 BTRFS info (device loop1 state A): global_block_rsv: size 1441792 reserved 1441792 BTRFS info (device loop1 state A): trans_block_rsv: size 0 reserved 0 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 327680 reserved 4096 BTRFS: error (device loop1 state A) in btrfs_create_pending_block_groups:2789: errno=-28 No space left BTRFS info (device loop1 state EA): forced readonly BTRFS: error (device loop1 state EA) in btrfs_create_pending_block_groups:2801: errno=-28 No space left BTRFS: error (device loop1 state EA) in __add_block_group_free_space:1434: errno=-28 No space left BTRFS info (device loop1 state EA): balance: ended with status: -30