BTRFS warning (device loop3): Skipping commit of aborted transaction. ------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 1 PID: 6791 at fs/btrfs/transaction.c:2023 cleanup_transaction+0x6a4/0x874 fs/btrfs/transaction.c:2023 Modules linked in: CPU: 1 UID: 0 PID: 6791 Comm: syz.3.29 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 : ffff8000a4b77280 x29: ffff8000a4b77360 x28: dfff800000000000 x27: ffff70001496ee58 x26: 0000000000000000 x25: 0000000000000000 x24: ffff0000c15bc500 x23: 00000000ffffffe4 x22: 1fffe000182b78a0 x21: ffff0000d2414000 x20: ffff0000f28c4000 x19: ffff0000c15bc4a0 x18: 00000000ffffffff x17: 6361736e61727420 x16: ffff80008b021028 x15: 0000000000000001 x14: 1ffff0001496edc0 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000080000 x10: 000000000007ffff x9 : 5440a15f6aa37600 x8 : 5440a15f6aa37600 x7 : ffff800080565b6c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807e08b4 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:3500 relocate_block_group+0x110/0xb64 fs/btrfs/relocation.c:3525 btrfs_relocate_block_group+0x654/0xacc fs/btrfs/relocation.c:3997 btrfs_relocate_chunk+0x108/0x54c fs/btrfs/volumes.c:3451 __btrfs_balance+0x1358/0x1d30 fs/btrfs/volumes.c:4227 btrfs_balance+0x8cc/0xf58 fs/btrfs/volumes.c:4604 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+0x98/0x254 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+0x5c/0x254 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 56044 hardirqs last enabled at (56043): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (56044): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (55248): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (55246): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- BTRFS info (device loop3 state A): dumping space info: BTRFS info (device loop3 state A): space_info DATA+METADATA (sub-group id 0) has -2031616 free, is full BTRFS info (device loop3 state A): space_info total=9895936, used=49152, pinned=12288, reserved=8257536, may_use=2031616, readonly=1576960 zone_unusable=0 BTRFS info (device loop3 state A): space_info SYSTEM (sub-group id 0) has 4186112 free, is not full BTRFS info (device loop3 state A): space_info total=4194304, used=4096, pinned=4096, reserved=0, may_use=0, readonly=0 zone_unusable=0 BTRFS info (device loop3 state A): global_block_rsv: size 983040 reserved 983040 BTRFS info (device loop3 state A): trans_block_rsv: size 0 reserved 0 BTRFS info (device loop3 state A): chunk_block_rsv: size 0 reserved 0 BTRFS info (device loop3 state A): delayed_block_rsv: size 0 reserved 0 BTRFS info (device loop3 state A): delayed_refs_rsv: size 0 reserved 0 BTRFS: error (device loop3 state A) in cleanup_transaction:2023: errno=-28 No space left BTRFS info (device loop3 state EA): forced readonly BTRFS info (device loop3 state EA): 1 enospc errors during balance BTRFS info (device loop3 state EA): balance: ended with status: -28