--- /dev/null
+--- fgetln.c.orig 2010-07-09 13:54:22.000000000 -0700
++++ fgetln.c 2010-07-10 12:23:58.000000000 -0700
+@@ -37,6 +37,7 @@ static char sccsid[] = "@(#)fgetln.c 8.2
+ __FBSDID("$FreeBSD: src/lib/libc/stdio/fgetln.c,v 1.11 2007/01/09 00:28:06 imp Exp $");
+
+ #include "namespace.h"
++#include <errno.h>
+ #include <stdio.h>
+ #include <stdlib.h>
+ #include <string.h>
+@@ -61,6 +62,10 @@ __slbexpand(FILE *fp, size_t newsize)
+ #endif
+ if (fp->_lb._size >= newsize)
+ return (0);
++ if (newsize > INT_MAX) {
++ errno = ENOMEM;
++ return (-1);
++ }
+ if ((p = realloc(fp->_lb._base, newsize)) == NULL)
+ return (-1);
+ fp->_lb._base = p;
+@@ -159,6 +164,7 @@ fgetln(FILE *fp, size_t *lenp)
+
+ error:
+ *lenp = 0; /* ??? */
++ fp->_flags |= __SERR;
+ FUNLOCKFILE(fp);
+ return (NULL); /* ??? */
+ }