>From 093ab86b49bffd59fb687a79cf4ae211101d03ca Mon Sep 17 00:00:00 2001 From: Jakub Hrozek Date: Sun, 2 Dec 2012 21:53:31 +0100 Subject: [PATCH] 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 81adf098a7c5cf8d47ab549ea0ee14b36e7898e3..00aed1434d2cbaf3e43d8cf54742180ab1a3f9fd 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); -- 1.8.0.1