From c7053e9a361c929aed6c18b3c79e45a91a7dd437 Mon Sep 17 00:00:00 2001
From: David Garske <david@wolfssl.com>
Date: Thu, 12 Nov 2020 09:21:39 -0800
Subject: [PATCH] Fix scenario where `FreeHandshakeResources` is called and
 server hello is recevied and WOLFSSL arrays is NULL.

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

diff --git a/src/sniffer.c b/src/sniffer.c
index bec413fa3..b1c8aab14 100644
--- a/src/sniffer.c
+++ b/src/sniffer.c
@@ -2648,7 +2648,7 @@ static int ProcessServerHello(int msgSz, const byte* input, int* sslBytes,
     (void)initialBytes;
 
     /* make sure we didn't miss ClientHello */
-    if (session->flags.clientHello == 0) {
+    if (session->flags.clientHello == 0 || session->sslClient->arrays == NULL) {
         SetError(MISSED_CLIENT_HELLO_STR, error, session, FATAL_ERROR_STATE);
         return -1;
     }