From 166330030ca19a984ba3448d64c5cb8c90cdc5dd Mon Sep 17 00:00:00 2001
From: kaleb-himes <kaleb@wolfssl.com>
Date: Sun, 29 Jul 2018 06:46:07 -0600
Subject: [PATCH] Handle case where external unassigned

---
 wolfcrypt/src/logging.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/wolfcrypt/src/logging.c b/wolfcrypt/src/logging.c
index 40c9fe969..cfdf1eaf1 100644
--- a/wolfcrypt/src/logging.c
+++ b/wolfcrypt/src/logging.c
@@ -580,6 +580,11 @@ int wc_AddErrorNode(int error, int line, char* buf, char* file)
             if (wc_errors != NULL) {
                 /* check for unexpected case before over writing wc_errors */
                 WOLFSSL_MSG("ERROR in adding new node to logging queue!!\n");
+                /* In the event both wc_last_node and wc_errors are NULL, err
+                 * goes unassigned to external wc_errors, wc_last_node. Free
+                 * err in this instance since wc_ClearErrorNodes will not
+                 */
+                XFREE(err, wc_error_heap, DYNAMIC_TYPE_LOG);
             }
             else {
                 wc_errors    = err;