Upstream commit:

commit 894f3f1049135dcbeaab8f18690973663ef3147c
Author: Allan McRae <allan@archlinux.org>
Date:   Fri Oct 25 14:25:38 2013 +1000

    Fix incorrect getaddrinfo assertion trigger
    
    [BZ #9954]

--- glibc-2.17-c758a686/sysdeps/posix/getaddrinfo.c
+++ glibc-2.17-c758a686/sysdeps/posix/getaddrinfo.c
@@ -1456,13 +1456,13 @@
 
 	      /* Fill in the results in all the records.  */
 	      for (int i = 0; i < src->nresults; ++i)
-		if (src->results[i].index == a1_index)
+		if (a1_index != -1 && src->results[i].index == a1_index)
 		  {
 		    assert (src->results[i].native == -1
 			    || src->results[i].native == a1_native);
 		    src->results[i].native = a1_native;
 		  }
-		else if (src->results[i].index == a2_index)
+		else if (a2_index != -1 && src->results[i].index == a2_index)
 		  {
 		    assert (src->results[i].native == -1
 			    || src->results[i].native == a2_native);

2009-03-15  Aurelien Jarno  <aurelien@aurel32.net>

	* sysdeps/posix/getaddrinfo.c (getaddrinfo): correctly detect 
	interface for all 127.X.Y.Z addresses.

---
 sysdeps/posix/getaddrinfo.c |    9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

--- glibc-2.17-c758a686/sysdeps/posix/getaddrinfo.c
+++ glibc-2.17-c758a686/sysdeps/posix/getaddrinfo.c
@@ -2265,7 +2265,14 @@
 			  tmp.addr[0] = 0;
 			  tmp.addr[1] = 0;
 			  tmp.addr[2] = htonl (0xffff);
-			  tmp.addr[3] = sinp->sin_addr.s_addr;
+			  /* Special case for lo interface, the source address
+			     being possibly different than the interface 
+			     address. */
+			  if ((ntohl(sinp->sin_addr.s_addr) & 0xff000000)
+			      == 0x7f000000)
+			    tmp.addr[3] = htonl(0x7f000001);
+			  else
+			    tmp.addr[3] = sinp->sin_addr.s_addr;
 			}
 		      else
 			{