From a22e3a80a2bd2b217f9ac890236546c979ee8ab1 Mon Sep 17 00:00:00 2001
From: liuyuxiang-bear <liuyuxiang7@huawei.com>
Date: Fri, 5 Aug 2022 10:54:08 +0800
Subject: [PATCH] fixed 6f6c666 from
 https://gitee.com/liuyuxiang-bear/third_party_freetype/pulls/28 Description:
 Vulnerability Remediation IssueNo:
 https://gitee.com/openharmony/third_party_freetype/issues/I5KDNH Feature or
 Bugfix: Bugfix Binary Source:No Signed-off-by: liuyuxiang
 <liuyuxiang7@huawei.com>

---
 src/base/ftobjs.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/base/ftobjs.c b/src/base/ftobjs.c
index 745ad19..784e3ab 100644
--- a/src/base/ftobjs.c
+++ b/src/base/ftobjs.c
@@ -2407,6 +2407,15 @@
 #endif
 
 
+    /* only use lower 31 bits together with sign bit */
+    if( face_index > 0 )
+      face_index &= 0x7FFFFFFFL;
+    else
+    {
+      face_index &= 0x7FFFFFFFL;
+      face_index = -face_index;
+    }
+
 #ifdef FT_DEBUG_LEVEL_TRACE
     FT_TRACE3(( "FT_Open_Face: " ));
     if ( face_index < 0 )
-- 
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