From d743a347d733f8a42ba90241a40a18b9cd4f99cd Mon Sep 17 00:00:00 2001
From: Jakub Jelen <jjelen@redhat.com>
Date: Wed, 12 Aug 2020 11:06:09 +0200
Subject: [PATCH] coolkey: Avoid memory leak when processing multiple combined
 objects

Thanks oss-fuzz

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24023
---
 src/libopensc/card-coolkey.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/libopensc/card-coolkey.c b/src/libopensc/card-coolkey.c
index 4f01db5e..d2464207 100644
--- a/src/libopensc/card-coolkey.c
+++ b/src/libopensc/card-coolkey.c
@@ -2061,6 +2061,7 @@ coolkey_process_combined_object(sc_card_t *card, coolkey_private_data_t *priv, u
 	}
 
 	/* store the token name in the priv structure so the emulator can set it */
+	free(priv->token_name);
 	priv->token_name = malloc(decompressed_header->token_name_length+1);
 	if (priv->token_name == NULL) {
 		r = SC_ERROR_OUT_OF_MEMORY;