From cfeeba440064bd5ccab1e1e520ab64198cec54fa Mon Sep 17 00:00:00 2001
From: "Justin C. Miller" <justin@devjustinian.com>
Date: Sun, 17 Jan 2021 10:35:19 -0800
Subject: [PATCH] [kenrel] Ensure page tables are zeroed before use

I forgot to zero out pages used for page tables, which didn't come back
to bite me until testing on physical hardware..
---
 src/kernel/page_table.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/kernel/page_table.cpp b/src/kernel/page_table.cpp
index 5753e09..915493d 100644
--- a/src/kernel/page_table.cpp
+++ b/src/kernel/page_table.cpp
@@ -181,6 +181,7 @@ page_table::get_table_page()
 	s_page_cache = s_page_cache->next;
 	--s_cache_count;
 
+	kutil::memset(page, 0, memory::frame_size);
 	return reinterpret_cast<page_table*>(page);
 }