BTRFS info (device loop1): balance: start -susage=12582912,drange=8796093022212..7,limit=10376293541461622786,limit=2..2415919104 ------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 0 PID: 7489 at fs/btrfs/block-group.c:2752 btrfs_create_pending_block_groups+0x1024/0x12a0 fs/btrfs/block-group.c:2752 Modules linked in: CPU: 0 UID: 0 PID: 7489 Comm: syz.1.275 Not tainted 6.12.0-rc6-syzkaller-g563047e691f2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : btrfs_create_pending_block_groups+0x1024/0x12a0 fs/btrfs/block-group.c:2752 lr : btrfs_create_pending_block_groups+0x1024/0x12a0 fs/btrfs/block-group.c:2752 sp : ffff8000a39b7420 x29: ffff8000a39b76b0 x28: 00000000007e0000 x27: dfff800000000000 x26: 1fffe0001980c70b x25: 1fffe0001980c70a x24: ffff0000cc0638a0 x23: 00000000ffffffe4 x22: 0000000000000000 x21: ffff0000cc063858 x20: ffff0000cc063850 x19: 0000000000000000 x18: 0000000000000008 x17: 0000000000000000 x16: ffff80008b3e435c x15: ffff700011f11534 x14: 1ffff00011f11534 x13: 0000000000000004 x12: ffffffffffffffff x11: 0000000000040000 x10: 000000000000e87f x9 : 40f7f423d30be500 x8 : 40f7f423d30be500 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff8000a39b6b58 x4 : ffff80008f8fd0c0 x3 : ffff800080391e14 x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: btrfs_create_pending_block_groups+0x1024/0x12a0 fs/btrfs/block-group.c:2752 (P) btrfs_create_pending_block_groups+0x1024/0x12a0 fs/btrfs/block-group.c:2752 (L) __btrfs_end_transaction+0x134/0x5f0 fs/btrfs/transaction.c:1065 btrfs_end_transaction+0x24/0x34 fs/btrfs/transaction.c:1104 btrfs_inc_block_group_ro+0x594/0x624 fs/btrfs/block-group.c:3043 btrfs_relocate_block_group+0x318/0x98c fs/btrfs/relocation.c:4035 btrfs_relocate_chunk+0x118/0x37c fs/btrfs/volumes.c:3377 __btrfs_balance+0x1454/0x1db4 fs/btrfs/volumes.c:4161 btrfs_balance+0xa38/0xe50 fs/btrfs/volumes.c:4538 btrfs_ioctl_balance+0x3e4/0x778 fs/btrfs/ioctl.c:3673 btrfs_ioctl+0x70c/0xaec fs/btrfs/ioctl.c:4783 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl fs/ioctl.c:893 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:893 __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: 91152 hardirqs last enabled at (91151): [] __up_console_sem kernel/printk/printk.c:344 [inline] hardirqs last enabled at (91151): [] __console_unlock+0x70/0xc4 kernel/printk/printk.c:2844 hardirqs last disabled at (91152): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:488 softirqs last enabled at (90948): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (90948): [] handle_softirqs+0xa38/0xbf8 kernel/softirq.c:582 softirqs last disabled at (90855): [] __do_softirq+0x14/0x20 kernel/softirq.c:588 ---[ end trace 0000000000000000 ]--- BTRFS info (device loop1 state A): dumping space info: BTRFS info (device loop1 state A): space_info DATA+METADATA has 2048000 free, is full BTRFS info (device loop1 state A): space_info total=3276800, used=49152, pinned=0, reserved=0, may_use=1179648, 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=4096, may_use=0, readonly=4190208 zone_unusable=0 BTRFS info (device loop1 state A): global_block_rsv: size 983040 reserved 983040 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 196608 reserved 196608 BTRFS: error (device loop1 state A) in btrfs_create_pending_block_groups:2752: 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:2764: errno=-28 No space left BTRFS info (device loop1 state EA): balance: ended with status: -30