BTRFS info (device loop4): checking UUID tree BTRFS info (device loop4): balance: start -s ------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 1 PID: 6047 at fs/btrfs/block-group.c:2481 btrfs_create_pending_block_groups+0x5e4/0x6f8 fs/btrfs/block-group.c:2481 Modules linked in: CPU: 1 PID: 6047 Comm: syz-executor.4 Not tainted 6.2.0-rc3-syzkaller-16387-g9598c377d828 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : btrfs_create_pending_block_groups+0x5e4/0x6f8 fs/btrfs/block-group.c:2481 lr : btrfs_create_pending_block_groups+0x5e4/0x6f8 fs/btrfs/block-group.c:2481 sp : ffff80001882b960 x29: ffff80001882b9e0 x28: 0000000000000000 x27: ffff00012eb60000 x26: ffff00011d41d068 x25: ffff0000c97d6858 x24: ffff00011d41d0c0 x23: ffff0000c97d6800 x22: 00000000ffffffe4 x21: ffff0000c97d6850 x20: ffff0000c97d69c0 x19: 0000000000000000 x18: 00000000000000c0 x17: ffff80000df48158 x16: ffff80000dd86118 x15: ffff00011ced3400 x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000040000 x11: 000000000003ffff x10: ffff800019ef3000 x9 : dfdd3f37368ccc00 x8 : dfdd3f37368ccc00 x7 : ffff80000c11ee8c x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000026 Call trace: btrfs_create_pending_block_groups+0x5e4/0x6f8 fs/btrfs/block-group.c:2481 __btrfs_end_transaction+0x94/0x358 fs/btrfs/transaction.c:1003 btrfs_end_transaction+0x24/0x34 fs/btrfs/transaction.c:1042 btrfs_inc_block_group_ro+0x30c/0x32c fs/btrfs/block-group.c:2724 btrfs_relocate_block_group+0x20c/0x6b0 fs/btrfs/relocation.c:4039 btrfs_relocate_chunk+0x9c/0x200 fs/btrfs/volumes.c:3240 __btrfs_balance+0xb64/0xd1c fs/btrfs/volumes.c:3968 btrfs_balance+0x774/0xb74 fs/btrfs/volumes.c:4352 btrfs_ioctl_balance+0x264/0x46c fs/btrfs/ioctl.c:3591 btrfs_ioctl+0x6b4/0xa64 fs/btrfs/ioctl.c:4622 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+0xd0/0x140 fs/ioctl.c:856 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall arch/arm64/kernel/syscall.c:52 [inline] el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x48/0x104 arch/arm64/kernel/syscall.c:193 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:584 irq event stamp: 72054 hardirqs last enabled at (72053): [] __up_console_sem+0xb0/0xfc kernel/printk/printk.c:344 hardirqs last disabled at (72054): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (71896): [] _stext+0x2e4/0x37c softirqs last disabled at (71819): [] ____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 2293760 free, is full BTRFS info (device loop4: state A): space_info total=3276800, used=61440, pinned=0, reserved=0, may_use=921600, 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=4096, may_use=0, readonly=4190208 zone_unusable=0 BTRFS info (device loop4: state A): global_block_rsv: size 917504 reserved 917504 BTRFS info (device loop4: state A): trans_block_rsv: size 0 reserved 0 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 393216 reserved 4096 BTRFS: error (device loop4: state A) in btrfs_create_pending_block_groups:2481: errno=-28 No space left BTRFS info (device loop4: state EA): forced readonly BTRFS: error (device loop4: state EA) in btrfs_create_pending_block_groups:2493: errno=-28 No space left BTRFS: error (device loop4: state EA) in add_block_group_free_space:1344: errno=-28 No space left BTRFS info (device loop4: state EA): balance: ended with status: -30