From ed06787b5e155fc683ee816b6a67a406a6bb1970 Mon Sep 17 00:00:00 2001 From: Jakub Jelen Date: Tue, 21 Apr 2020 14:45:21 +0200 Subject: [PATCH] oberthur: Avoid memory leak when the auth_init is called multiple times Thanks oss-fuzz https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=21678 --- src/libopensc/card-oberthur.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/libopensc/card-oberthur.c b/src/libopensc/card-oberthur.c index 0d4103de..b692e724 100644 --- a/src/libopensc/card-oberthur.c +++ b/src/libopensc/card-oberthur.c @@ -182,10 +182,12 @@ auth_select_aid(struct sc_card *card) LOG_TEST_RET(card->ctx, rv, "select parent failed"); sc_format_path("3F00", &tmp_path); + sc_file_free(auth_current_df); rv = iso_ops->select_file(card, &tmp_path, &auth_current_df); LOG_TEST_RET(card->ctx, rv, "select parent failed"); sc_format_path("3F00", &card->cache.current_path); + sc_file_free(auth_current_ef); sc_file_dup(&auth_current_ef, auth_current_df); memcpy(data->aid, aidAuthentIC_V5, lenAidAuthentIC_V5);