From a0102eed6cdd894fd2b079cfae006e0a62f94777 Mon Sep 17 00:00:00 2001
From: Jakub Hrozek <jhrozek@redhat.com>
Date: Sun, 2 Dec 2012 21:53:31 +0100
Subject: RESOLV: return ENOENT if the address list is empty

---
 src/resolv/async_resolv.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/resolv/async_resolv.c b/src/resolv/async_resolv.c
index 81adf098a..00aed1434 100644
--- a/src/resolv/async_resolv.c
+++ b/src/resolv/async_resolv.c
@@ -1046,6 +1046,14 @@ resolv_gethostbyname_dns_parse(struct gethostbyname_dns_state *state,
             ret = ENOMEM;
             goto fail;
         }
+
+        /* The address list is NULL. This is probably a bug in
+         * c-ares, but we need to handle it gracefully.
+         */
+        if (state->rhostent->addr_list == NULL) {
+            talloc_free(state->rhostent);
+            return ENOENT;
+        }
     }
 
     talloc_free(tmp_ctx);
-- 
cgit