From 7fd29c9cbe1e611927a2a4f27f94d011851dc3a3 Mon Sep 17 00:00:00 2001
From: Philipp Oppermann <dev@phil-opp.com>
Date: Fri, 25 Jan 2019 13:55:42 +0100
Subject: [PATCH] Trigger a double fault through a stack overflow -> triple
 fault

---
 src/main.rs | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/main.rs b/src/main.rs
index 5d9cfc90..54a09190 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -12,10 +12,12 @@ pub extern "C" fn _start() -> ! {
 
     blog_os::interrupts::init_idt();
 
-    // trigger a page fault
-    unsafe {
-        *(0xdeadbeef as *mut u64) = 42;
-    };
+    fn stack_overflow() {
+        stack_overflow(); // for each recursion, the return address is pushed
+    }
+
+    // trigger a stack overflow
+    stack_overflow();
 
     println!("It did not crash!");
     loop {}