itacns: Correctly free allocated memory

Thanks oss-fuzz https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28510
2020-12-11 19:08:28 +01:00 · 2020-12-11 19:08:28 +01:00 · 3135fccdca
parent 049b2a8754
commit 3135fccdca
1 changed files with 1 additions and 0 deletions
--- a/src/libopensc/card-itacns.c
+++ b/src/libopensc/card-itacns.c
@ -503,6 +503,7 @@ static int itacns_get_serialnr(sc_card_t *card, sc_serial_number_t *serial)
 		return SC_ERROR_WRONG_CARD;
 	}
 	len = file->size;
+	sc_file_free(file);

 	//Returned file->size should be 16. 
 	//We choose to not consider it as critical, because some cards