message: fuzz: Terminate immediately if a fuzzing harness ever tries to perform a DNS lookup (belts and suspenders)
diff: #include <cstdint>
  #include <exception>
  #include <memory>
  +#include <string>
  #include <unistd.h>
  #include <vector>
  @@ -37,6 +38,14 @@ void initialize()
  // Terminate immediately if a fuzzing harness ever tries to create a TCP socket.
  CreateSock = [](const CService&) -> std::unique_ptr<Sock> { std::terminate(); };
  + // Terminate immediately if a fuzzing harness ever tries to perform a DNS lookup.
  + g_dns_lookup = [](const std::string& name, bool allow_lookup) {
  + if (allow_lookup) {
  + std::terminate();
  + }
  + return WrappedGetAddrInfo(name, false);
  + };
  +
  bool should_abort{false};
  if (std::getenv("PRINT_ALL_FUZZ_TARGETS_AND_ABORT")) {
  for (const auto& t : FuzzTargets()) {
  