From 1a069ca71ed2d02504b89d088c6300f5144017c9 Mon Sep 17 00:00:00 2001
From: Frank Morgner <frankmorgner@gmail.com>
Date: Wed, 6 Nov 2019 23:08:43 +0100
Subject: [PATCH] fixed  Global-buffer-overflow READ 1

https://oss-fuzz.com/testcase-detail/5685978287308800
Thanks to OSS-Fuzz
---
 src/libopensc/card-muscle.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/libopensc/card-muscle.c b/src/libopensc/card-muscle.c
index 3cb4ec5e..75046dcc 100644
--- a/src/libopensc/card-muscle.c
+++ b/src/libopensc/card-muscle.c
@@ -388,6 +388,9 @@ static int select_item(sc_card_t *card, const sc_path_t *path_in, sc_file_t ** f
 		fs->currentFile[0] = oid[2];
 		fs->currentFile[1] = oid[3];
 	} else {
+		if(pathlen < 2) {
+			LOG_FUNC_RETURN(card->ctx, SC_ERROR_INVALID_ARGUMENTS);
+		}
 		fs->currentPath[0] = oid[pathlen - 2];
 		fs->currentPath[1] = oid[pathlen - 1];
 		fs->currentFile[0] = 0;