BTRFS warning (device loop5): Skipping commit of aborted transaction. ------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: fs/btrfs/transaction.c:2036 at cleanup_transaction+0x6a4/0x874 fs/btrfs/transaction.c:2036, CPU#1: kworker/u8:17/4198 Modules linked in: CPU: 1 UID: 0 PID: 4198 Comm: kworker/u8:17 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 Workqueue: events_unbound btrfs_async_reclaim_metadata_space pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : cleanup_transaction+0x6a4/0x874 fs/btrfs/transaction.c:2036 lr : cleanup_transaction+0x6a4/0x874 fs/btrfs/transaction.c:2036 sp : ffff8000a1de74e0 x29: ffff8000a1de75c0 x28: dfff800000000000 x27: ffff7000143bcea4 x26: 0000000000000000 x25: 0000000000000000 x24: ffff0000f99593d8 x23: 00000000ffffffe4 x22: 1fffe0001f32b27b x21: ffff0000de0e3000 x20: ffff0000e097c000 x19: ffff0000f9959378 x18: 00000000ffffffff x17: 6361736e61727420 x16: ffff800082e5e68c x15: 0000000000000001 x14: 1fffe000337818fa x13: 0000000000000000 x12: 0000000000000000 x11: ffff6000337818fb x10: 0000000000ff0100 x9 : d4af281529aacf00 x8 : d4af281529aacf00 x7 : ffff8000805761f8 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1034 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: cleanup_transaction+0x6a4/0x874 fs/btrfs/transaction.c:2036 (P) btrfs_commit_transaction+0x22f0/0x2d30 fs/btrfs/transaction.c:2629 btrfs_commit_current_transaction+0xac/0xdc fs/btrfs/transaction.c:2026 flush_space+0x428/0xb64 fs/btrfs/space-info.c:921 do_async_reclaim_metadata_space+0x108/0x324 fs/btrfs/space-info.c:1185 btrfs_async_reclaim_metadata_space+0x90/0xd8 fs/btrfs/space-info.c:1252 process_one_work+0x7c0/0x1558 kernel/workqueue.c:3257 process_scheduled_works kernel/workqueue.c:3340 [inline] worker_thread+0x958/0xed8 kernel/workqueue.c:3421 kthread+0x5fc/0x75c kernel/kthread.c:463 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844 irq event stamp: 74620 hardirqs last enabled at (74619): [] vprintk_store+0x898/0xac8 kernel/printk/printk.c:2332 hardirqs last disabled at (74620): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (74246): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (74246): [] nsim_dev_trap_report drivers/net/netdevsim/dev.c:890 [inline] softirqs last enabled at (74246): [] nsim_dev_trap_report_work+0x67c/0x9fc drivers/net/netdevsim/dev.c:921 softirqs last disabled at (74244): [] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (74244): [] nsim_dev_trap_report drivers/net/netdevsim/dev.c:886 [inline] softirqs last disabled at (74244): [] nsim_dev_trap_report_work+0x5f4/0x9fc drivers/net/netdevsim/dev.c:921 ---[ end trace 0000000000000000 ]--- BTRFS info (device loop5 state A): dumping space info: BTRFS info (device loop5 state A): space_info DATA+METADATA (sub-group id 0) has 6815744 free, is full BTRFS info (device loop5 state A): space_info total=9895936, used=61440, pinned=16384, reserved=0, may_use=1441792, readonly=1560576 zone_unusable=0 BTRFS info (device loop5 state A): space_info SYSTEM (sub-group id 0) has 4186112 free, is not full BTRFS info (device loop5 state A): space_info total=4194304, used=4096, pinned=4096, reserved=0, may_use=0, readonly=0 zone_unusable=0 BTRFS info (device loop5 state A): global_block_rsv: size 1441792 reserved 1441792 BTRFS info (device loop5 state A): trans_block_rsv: size 0 reserved 0 BTRFS info (device loop5 state A): chunk_block_rsv: size 0 reserved 0 BTRFS info (device loop5 state A): delayed_block_rsv: size 0 reserved 0 BTRFS info (device loop5 state A): delayed_refs_rsv: size 0 reserved 0 BTRFS: error (device loop5 state A) in cleanup_transaction:2036: errno=-28 No space left BTRFS info (device loop5 state EA): forced readonly