From 7bde02b3e7ed942a7b11c09bde805d0d16f56c05 Mon Sep 17 00:00:00 2001
From: David Garske <david@wolfssl.com>
Date: Wed, 19 Jun 2019 11:23:37 -0700
Subject: [PATCH] Fix for track memory case where the "prev" wasn't getting
 initialized for the first malloc. Caused issue on last free with fsantize
 because pointers are not zero'd by default.

---
 wolfssl/wolfcrypt/mem_track.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/wolfssl/wolfcrypt/mem_track.h b/wolfssl/wolfcrypt/mem_track.h
index 2be86d23c..975479733 100644
--- a/wolfssl/wolfcrypt/mem_track.h
+++ b/wolfssl/wolfcrypt/mem_track.h
@@ -184,6 +184,7 @@
             header->next = NULL;
             if (ourMemList.tail == NULL)  {
                 ourMemList.head = header;
+                header->prev = NULL;
             }
             else {
                 ourMemList.tail->next = header;