From fca2ba9474e150e72282317b91ce68d0b801f573 Mon Sep 17 00:00:00 2001
From: Frank Morgner <frankmorgner@gmail.com>
Date: Mon, 5 Oct 2020 08:49:27 +0200
Subject: [PATCH] oberthur: fixed length checking

fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26116
---
 src/libopensc/pkcs15-oberthur.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libopensc/pkcs15-oberthur.c b/src/libopensc/pkcs15-oberthur.c
index 007a6182..b677f2cc 100644
--- a/src/libopensc/pkcs15-oberthur.c
+++ b/src/libopensc/pkcs15-oberthur.c
@@ -496,7 +496,7 @@ sc_oberthur_parse_privateinfo (struct sc_pkcs15_card *p15card,
 
 	LOG_FUNC_CALLED(ctx);
 
-	for (ii=0; ii<len; ii+=5)   {
+	for (ii=0; ii+5<=len; ii+=5)   {
 		unsigned int file_id, size;
 
 		if(*(buff+ii) != 0xFF)