From 50b7183bd17c8112d4276fdf8164e7d5b8a7ee36 Mon Sep 17 00:00:00 2001
From: Tim Schumacher <timschumi@gmx.de>
Date: Mon, 17 Apr 2023 13:54:48 +0200
Subject: [PATCH] Kernel: Mark the idle thread as active before switching it in

Otherwise, our code for dumping all thread stacks gets confused if it
finds a thread that is in a 'running' state, but that isn't marked
active.
---
 Kernel/Scheduler.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Kernel/Scheduler.cpp b/Kernel/Scheduler.cpp
index 6602e2a192..454038b2d6 100644
--- a/Kernel/Scheduler.cpp
+++ b/Kernel/Scheduler.cpp
@@ -99,7 +99,10 @@ Thread& Scheduler::pull_next_runnable_thread()
             }
             priority_mask &= ~(1u << priority);
         }
-        return *Processor::idle_thread();
+
+        auto* idle_thread = Processor::idle_thread();
+        idle_thread->set_active(true);
+        return *idle_thread;
     });
 }