{
  "finding_id": "DF-3718",
  "title": "mxge_tx_done walks TX ring toward unvalidated NIC send_done_count: premature TX-buffer free (DMA-after-free) and permanent interrupt-context spin under tx/main serializers",
  "verdict": "inconclusive",
  "impact": "none",
  "confidence": "certain",
  "mechanism_guest_proven": false,
  "reproduce": {
    "build": "n/a (hardware-gated)",
    "run": "n/a (hardware-gated)",
    "expected": "source-level: mcp_idx > reachable pkt_done -> walk frees unsent maps/mbufs then spins forever"
  },
  "kernel_refs": [
    "sys/dev/netif/mxge/if_mxge.c:2369",
    "sys/dev/netif/mxge/if_mxge.c:2381",
    "sys/dev/netif/mxge/if_mxge.c:2695",
    "sys/dev/netif/mxge/if_mxge.c:2847"
  ],
  "artifacts": ["README.md", "VERDICT.md", "fix.diff", "verdict.json", "manifest.json", "env.txt"]
}