test_get_libctx(): prevent crash when called with NULL provider arg

Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/20190)

diff --git a/test/testutil/provider.c b/test/testutil/provider.c
index 199e4f03af90afa1be6401d791e7949a4884032e..900324d81b08b006b78271e9b58217f3d25d6c73 100644 (file)
--- a/test/testutil/provider.c
+++ b/test/testutil/provider.c
@@ -38,7 +38,7 @@ int test_get_libctx(OSSL_LIB_CTX **libctx, OSSL_PROVIDER **default_null_prov,
         goto err;
     }
 
-    if (module_name != NULL
+    if (provider != NULL && module_name != NULL
             && (*provider = OSSL_PROVIDER_load(new_libctx, module_name)) == NULL) {
         opt_printf_stderr("Failed to load provider %s\n", module_name);
         goto err;