From 12a4517d6b933f0e7b910fee475de51b87fe2881 Mon Sep 17 00:00:00 2001
From: Jacob Barthelmeh <jacob@wolfssl.com>
Date: Thu, 15 Jul 2021 22:38:48 +0700
Subject: [PATCH] handle edge case of input buffer malloc'd to location
 immediately after output buffer

---
 src/internal.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/internal.c b/src/internal.c
index e424da276..02fe503a3 100644
--- a/src/internal.c
+++ b/src/internal.c
@@ -8525,7 +8525,7 @@ static int SendHandshakeMsg(WOLFSSL* ssl, byte* input, word32 inputSz,
     /* Make sure input is not the ssl output buffer as this
      * function doesn't handle that */
     if (input >= ssl->buffers.outputBuffer.buffer &&
-            input <= ssl->buffers.outputBuffer.buffer +
+            input < ssl->buffers.outputBuffer.buffer +
                      ssl->buffers.outputBuffer.bufferSize) {
         WOLFSSL_MSG("Can't use output buffer for input in SendHandshakeMsg");
         return BAD_FUNC_ARG;