BTRFS warning (device loop0): Skipping commit of aborted transaction. ------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 0 PID: 8071 at fs/btrfs/transaction.c:2023 cleanup_transaction+0x6a4/0x874 fs/btrfs/transaction.c:2023 Modules linked in: CPU: 0 UID: 0 PID: 8071 Comm: syz.0.16 Not tainted syzkaller #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 : cleanup_transaction+0x6a4/0x874 fs/btrfs/transaction.c:2023 lr : cleanup_transaction+0x6a4/0x874 fs/btrfs/transaction.c:2023 sp : ffff80009cf27280 x29: ffff80009cf27360 x28: dfff800000000000 x27: ffff7000139e4e58 x26: 0000000000000000 x25: 0000000000000000 x24: ffff0000d1ebc3d8 x23: 00000000ffffffe4 x22: 1fffe0001a3d787b x21: ffff0000d5528000 x20: ffff0000f1a50000 x19: ffff0000d1ebc378 x18: 00000000ffffffff x17: ffff800093507000 x16: ffff80008b007290 x15: 0000000000000001 x14: 1ffff000139e4d84 x13: 0000000000000000 x12: 0000000000000000 x11: 000000001e5beaec x10: 0000000000ff0100 x9 : cecb0838c5aad400 x8 : cecb0838c5aad400 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000002 x2 : 0000000000000002 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: cleanup_transaction+0x6a4/0x874 fs/btrfs/transaction.c:2023 (P) btrfs_commit_transaction+0x22d8/0x2ce4 fs/btrfs/transaction.c:2614 prepare_to_relocate+0x308/0x3e0 fs/btrfs/relocation.c:3481 relocate_block_group+0x110/0xb64 fs/btrfs/relocation.c:3506 btrfs_relocate_block_group+0x654/0xacc fs/btrfs/relocation.c:3978 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: 49312 hardirqs last enabled at (49311): [] vprintk_store+0x898/0xac8 kernel/printk/printk.c:2356 hardirqs last disabled at (49312): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (48744): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (48742): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- BTRFS info (device loop0 state A): dumping space info: BTRFS info (device loop0 state A): space_info DATA+METADATA (sub-group id 0) has -2031616 free, is full BTRFS info (device loop0 state A): space_info total=9895936, used=49152, pinned=12288, reserved=8257536, may_use=2031616, readonly=1576960 zone_unusable=0 BTRFS info (device loop0 state A): space_info SYSTEM (sub-group id 0) has 4186112 free, is not full BTRFS info (device loop0 state A): space_info total=4194304, used=4096, pinned=4096, reserved=0, may_use=0, readonly=0 zone_unusable=0 BTRFS info (device loop0 state A): global_block_rsv: size 983040 reserved 983040 BTRFS info (device loop0 state A): trans_block_rsv: size 0 reserved 0 BTRFS info (device loop0 state A): chunk_block_rsv: size 0 reserved 0 BTRFS info (device loop0 state A): delayed_block_rsv: size 0 reserved 0 BTRFS info (device loop0 state A): delayed_refs_rsv: size 0 reserved 0 BTRFS: error (device loop0 state A) in cleanup_transaction:2023: errno=-28 No space left BTRFS info (device loop0 state EA): forced readonly BTRFS info (device loop0 state EA): 1 enospc errors during balance BTRFS info (device loop0 state EA): balance: ended with status: -28