Fix use after free bugs for public_keys and private_keys in evp_test

Reviewed-by: Neil Horman <nhorman@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/27421)

diff --git a/test/evp_test.c b/test/evp_test.c
index 231cfe7b7e03998f0d27fd8165fcc89d1cc07395..ea014d11b95a258555700d10e007d4a01d75b721 100644 (file)
--- a/test/evp_test.c
+++ b/test/evp_test.c
@@ -5426,7 +5426,9 @@ static int run_file_tests(int i)
     clear_test(t);
 
     free_key_list(public_keys);
+    public_keys = NULL;
     free_key_list(private_keys);
+    private_keys = NULL;
     BIO_free(t->s.key);
     c = t->s.errors;
     OPENSSL_free(t);