# DF-3053 - nfsm_mbuftouio ignores copyout() fault - read() reports success with undelivered bytes

Severity Low | verdict: **reproduced** | impact: none

## Reproduce
Sources in this directory; build with `cc -O2 -o <bin> <src> -pthread` on the guest.

See VERDICT.md for the full narrative and run.log for the decisive output.