# DF-3115 -- verification pack

Finding: unconditional kprintf log flood in mbnambuf_write from crafted/long LFN directories

Status: **reproduced** / impact **denial_of_service** / confidence certain

## What was run
host: python3 craft_lfn.py out.img A|B

## How to reproduce
```
guest: vnconfig -c -S 2m /dev/vn0 img && mount_msdos -o ro /dev/vn0 /mnt && su -m nobody -c 100x ls/stat loop, count dmesg lines
```

## Expected
1212 non-decreasing lines + 100 too-large lines per 100 passes; console log floods

See VERDICT.md for the full narrative and verdict.json for the persisted
machine verdict. Artifacts: craft_lfn.py, run_guest.sh, run.log, console_flood_excerpt.log.