commit f178e59fa5eefbbd37fde040ae8334aa5c857ee1

Author: Andreas Schwab <schwab@suse.de>

Date:   Tue Mar 27 12:16:11 2018 +0200

    Fix crash in resolver on memory allocation failure (bug 23005)

diff --git a/resolv/res_send.c b/resolv/res_send.c

index b396aae03c9eeb6e..01e4da4188b63d39 100644

--- a/resolv/res_send.c

+++ b/resolv/res_send.c

@@ -471,6 +471,11 @@ __res_context_send (struct resolv_context *ctx,

 					'\0',

 					sizeof (struct sockaddr_in6)

 					- sizeof (struct sockaddr_in));

+			else

+			  {

+			    __set_errno (ENOMEM);

+			    return -1;

+			  }

 		}

 		EXT(statp).nscount = statp->nscount;

 	}