From 32ed4735d21f6e57e4f6664b8155b25079ca4047 Mon Sep 17 00:00:00 2001
From: David Garske <david@wolfssl.com>
Date: Tue, 24 Sep 2024 17:01:42 -0700
Subject: [PATCH] Resolve hash new leak due to improper heap hint check. Make
 sure isAllocated is initialized to 0.

---
 wolfcrypt/src/hash.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/wolfcrypt/src/hash.c b/wolfcrypt/src/hash.c
index d5988341d7..5c9d3ff1e4 100644
--- a/wolfcrypt/src/hash.c
+++ b/wolfcrypt/src/hash.c
@@ -710,6 +710,7 @@ int wc_HashInit_ex(wc_HashAlg* hash, enum wc_HashType type, void* heap,
     if (hash == NULL)
         return BAD_FUNC_ARG;
 
+    hash->isAllocated = 0;
     switch (type) {
         case WC_HASH_TYPE_MD5:
 #ifndef NO_MD5
@@ -1146,8 +1147,9 @@ int wc_HashFree(wc_HashAlg* hash, enum wc_HashType type)
             ret = BAD_FUNC_ARG;
     };
 
-    if (isAllocated && heap)
+    if (isAllocated) {
         XFREE(hash, heap, DYNAMIC_TYPE_HASHES);
+    }
 
     return ret;
 }