fixed Null-dereference READ

https://oss-fuzz.com/testcase-detail/5644373382922240 Thanks to OSS-Fuzz
2019-11-06 23:38:37 +01:00 · 2019-11-06 23:38:37 +01:00 · a8de0070fd
parent 1a069ca71e
commit a8de0070fd
1 changed files with 3 additions and 0 deletions
--- a/src/libopensc/pkcs15-prkey.c
+++ b/src/libopensc/pkcs15-prkey.c
@ -606,6 +606,9 @@ sc_pkcs15_free_prkey(struct sc_pkcs15_prkey *key)

 void sc_pkcs15_free_prkey_info(sc_pkcs15_prkey_info_t *key)
 {
+	if (!key)
+		return;
+
 	if (key->subject.value)
 		free(key->subject.value);