From c9d24bcfd5c2f9940f1731f2747094951dbd1968 Mon Sep 17 00:00:00 2001
From: Baptiste Daroussin <bapt@FreeBSD.org>
Date: Sat, 8 Aug 2015 23:59:15 +0000
Subject: [PATCH] Remove 5 and 6 bytes sequences which are illegal in UTF-8
 space.

Per rfc3629 value greater than 0x10ffff should be rejected

Suggested by:	jilles
---
 lib/libc/locale/utf8.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/lib/libc/locale/utf8.c b/lib/libc/locale/utf8.c
index ce49279cb2d7..843d59f77c54 100644
--- a/lib/libc/locale/utf8.c
+++ b/lib/libc/locale/utf8.c
@@ -145,14 +145,6 @@ _UTF8_mbrtowc(wchar_t * __restrict pwc, const char * __restrict s, size_t n,
 			mask = 0x07;
 			want = 4;
 			lbound = 0x10000;
-		} else if ((ch & 0xfc) == 0xf8) {
-			mask = 0x03;
-			want = 5;
-			lbound = 0x200000;
-		} else if ((ch & 0xfe) == 0xfc) {
-			mask = 0x01;
-			want = 6;
-			lbound = 0x4000000;
 		} else {
 			/*
 			 * Malformed input; input is not UTF-8.