Index: glibc-2.9/debug/vsprintf_chk.c
===================================================================
--- glibc-2.9.orig/debug/vsprintf_chk.c	2008-12-23 21:30:07.000000000 -0800
+++ glibc-2.9/debug/vsprintf_chk.c	2008-12-23 21:30:19.000000000 -0800
@@ -76,7 +76,9 @@
 
   _IO_no_init (&f._sbf._f, _IO_USER_LOCK, -1, NULL, NULL);
   _IO_JUMPS ((struct _IO_FILE_plus *) &f._sbf) = &_IO_str_chk_jumps;
+/*
   s[0] = '\0';
+*/
   _IO_str_init_static_internal (&f, s, slen - 1, s);
 
   /* For flags > 0 (i.e. __USE_FORTIFY_LEVEL > 1) request that %n