From 3e27705eb9a68a07983c84b2771216c010c7ba21 Mon Sep 17 00:00:00 2001
From: William Wilgus <me.theuser@yahoo.com>
Date: Sat, 22 Dec 2018 12:45:02 -0600
Subject: [PATCH] tagtree.c->loadroot() guard against overflow

forum user chris_s noted an possible unhandled cache overflow

Change-Id: Ia79399d6581ef6b635578896519fda8126c731d7
---
 apps/tagtree.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/apps/tagtree.c b/apps/tagtree.c
index c188a900fa..12a7a74e5d 100644
--- a/apps/tagtree.c
+++ b/apps/tagtree.c
@@ -1627,6 +1627,9 @@ static int load_root(struct tree_context *c)
     if (menu == NULL)
         return 0;
 
+    if (menu->itemcount > c->cache.max_entries)
+            panicf("%s tree_cache too small", __func__);
+
     for (i = 0; i < menu->itemcount; i++)
     {
         dptr->name = menu->items[i]->name;