commit dc258ce62ae0bbb456c6a855dbb6b384ecf7e988

Author: Florian Weimer <fweimer@redhat.com>

Date:   Thu Aug 3 13:59:17 2017 +0200

    getaddrinfo: Release resolver context on error in gethosts [BZ #21885]

    (cherry picked from commit 964263bb8d650f1681665c55704fb01a8e725621)

diff --git a/sysdeps/posix/getaddrinfo.c b/sysdeps/posix/getaddrinfo.c

index efa7118498990073..699411cc92fc210c 100644

--- a/sysdeps/posix/getaddrinfo.c

+++ b/sysdeps/posix/getaddrinfo.c

@@ -255,6 +255,8 @@ convert_hostent_to_gaih_addrtuple (const struct addrinfo *req,

       break;								      \

     if (!scratch_buffer_grow (tmpbuf))					      \

       {									      \

+	__resolv_context_enable_inet6 (res_ctx, res_enable_inet6);	      \

+	__resolv_context_put (res_ctx);					      \

 	result = -EAI_MEMORY;						      \

 	goto free_and_return;						      \

       }									      \