From 98ec442b37027098d9d92e4b9adda99eccc11992 Mon Sep 17 00:00:00 2001
From: Kareem <kareem@wolfssl.com>
Date: Fri, 27 May 2022 10:57:23 -0700
Subject: [PATCH] Confirm ssl->hsHashes is not NULL before attempting to
 dereference it.

---
 src/internal.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/internal.c b/src/internal.c
index 8e559a728..359d2fcdf 100644
--- a/src/internal.c
+++ b/src/internal.c
@@ -14341,7 +14341,7 @@ static int DoHandShakeMsgType(WOLFSSL* ssl, byte* input, word32* inOutIdx,
         #endif
             {
                 ssl->options.cacheMessages = 0;
-                if (ssl->hsHashes->messages != NULL) {
+                if ((ssl->hsHashes != NULL) && (ssl->hsHashes->messages != NULL)) {
                     XFREE(ssl->hsHashes->messages, ssl->heap,
                         DYNAMIC_TYPE_HASHES);
                     ssl->hsHashes->messages = NULL;
@@ -14427,7 +14427,7 @@ static int DoHandShakeMsgType(WOLFSSL* ssl, byte* input, word32* inOutIdx,
         #endif
             {
                 ssl->options.cacheMessages = 0;
-                if (ssl->hsHashes->messages != NULL) {
+                if ((ssl->hsHashes != NULL) && (ssl->hsHashes->messages != NULL)) {
                     XFREE(ssl->hsHashes->messages, ssl->heap, DYNAMIC_TYPE_HASHES);
                     ssl->hsHashes->messages = NULL;
                 }