Issue #1027206: getnameinfo is now restricted to numeric addresses as input.
diff --git a/Modules/socketmodule.c b/Modules/socketmodule.c
index 709c85e..8c743d8 100644
--- a/Modules/socketmodule.c
+++ b/Modules/socketmodule.c
@@ -3969,6 +3969,7 @@
memset(&hints, 0, sizeof(hints));
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_DGRAM; /* make numeric port happy */
+ hints.ai_flags = AI_NUMERICHOST; /* don't do any name resolution */
Py_BEGIN_ALLOW_THREADS
ACQUIRE_GETADDRINFO_LOCK
error = getaddrinfo(hostp, pbuf, &hints, &res);