From d28045daa882327baf468a121c4e40cdde51c2aa Mon Sep 17 00:00:00 2001
From: Daniel Pouzzner <douzzer@wolfssl.com>
Date: Tue, 17 Jun 2025 09:31:19 -0500
Subject: [PATCH] wolfcrypt/test/test.c: fix prime_test() uninitialized data
 access by wc_FreeRng().

---
 wolfcrypt/test/test.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/wolfcrypt/test/test.c b/wolfcrypt/test/test.c
index 6b6f4e361..1f33a612c 100644
--- a/wolfcrypt/test/test.c
+++ b/wolfcrypt/test/test.c
@@ -58640,6 +58640,7 @@ WOLFSSL_TEST_SUBROUTINE wc_test_ret_t prime_test(void)
     wc_test_ret_t ret;
     int isPrime = 0;
     WC_RNG rng;
+    int rng_inited = 0;
     WOLFSSL_ENTER("prime_test");
 
     ret = mp_init_multi(n, p1, p2, p3, NULL, NULL);
@@ -58655,7 +58656,9 @@ WOLFSSL_TEST_SUBROUTINE wc_test_ret_t prime_test(void)
 #endif
 
     ret = wc_InitRng(&rng);
-    if (ret != 0)
+    if (ret == 0)
+        rng_inited = 1;
+    else
         ret = WC_TEST_RET_ENC_EC(ret);
     if (ret == 0)
         ret = GenerateP(p1, p2, p3,
@@ -58759,7 +58762,8 @@ WOLFSSL_TEST_SUBROUTINE wc_test_ret_t prime_test(void)
     mp_clear(n);
 #endif
 
-    wc_FreeRng(&rng);
+    if (rng_inited)
+        wc_FreeRng(&rng);
 
     return ret;
 }