From 7a894515cb941eadbd014b1440259f050d419bae Mon Sep 17 00:00:00 2001
From: Zackery Backman <backman23@live.com>
Date: Thu, 15 Jan 2026 18:00:27 -0700
Subject: [PATCH] initialize i_shaCopy to prevent undefined behavior

---
 wolfcrypt/test/test.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/wolfcrypt/test/test.c b/wolfcrypt/test/test.c
index 6d53f4bc6..9d4eb4af4 100644
--- a/wolfcrypt/test/test.c
+++ b/wolfcrypt/test/test.c
@@ -4863,6 +4863,9 @@ WOLFSSL_TEST_SUBROUTINE wc_test_ret_t sha256_test(void)
 #endif
 
     XMEMSET(&shaCopy, 0, sizeof(shaCopy));
+#ifndef NO_WOLFSSL_SHA256_INTERLEAVE
+    XMEMSET(&i_shaCopy, 0, sizeof(i_shaCopy));
+#endif
 
     for (i = 0; i < times; ++i) {
         ret = wc_Sha256Update(&sha, (byte*)test_sha[i].input,