commit d41242129ba693cdbc8db85b846fcaccf9f0b7c4
Author: Siddhesh Poyarekar <siddhesh@redhat.com>
Date:   Thu Jan 2 10:03:12 2014 +0530

    Fix infinite loop in nscd when netgroup is empty (bz #16365)

diff -pruN glibc-2.17-c758a686/nscd/netgroupcache.c glibc-2.17-c758a686/nscd/netgroupcache.c
--- glibc-2.17-c758a686/nscd/netgroupcache.c	2013-12-20 04:38:40.432000000 -0500
+++ glibc-2.17-c758a686/nscd/netgroupcache.c	2013-12-20 04:37:29.945000000 -0500
@@ -204,9 +204,10 @@ addgetnetgrentX (struct database_dyn *db
 		    int e;
 		    status = getfct.f (&data, buffer + buffilled,
 				       buflen - buffilled, &e);
-		    if (status == NSS_STATUS_RETURN)
-		      /* This was the last one for this group.  Look
-			 at next group if available.  */
+		    if (status == NSS_STATUS_RETURN
+			|| status == NSS_STATUS_NOTFOUND)
+		      /* This was either the last one for this group or the
+			 group was empty.  Look at next group if available.  */
 		      break;
 		    if (status == NSS_STATUS_SUCCESS)
 		      {