From 4495b81769ddd3e2c78071661e890269fab9acce Mon Sep 17 00:00:00 2001
From: Bananymous <oskari.alaranta@bananymous.com>
Date: Tue, 25 Aug 2026 23:53:07 +0300
Subject: [PATCH] Kernel: Fix framebuffer bounds checks

running yes and pressing ctrl+c paniced the kernel :nekocatwoah:
---
 kernel/kernel/Terminal/FramebufferTerminal.cpp | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/kernel/kernel/Terminal/FramebufferTerminal.cpp b/kernel/kernel/Terminal/FramebufferTerminal.cpp
index d26e5e71..74c4e399 100644
--- a/kernel/kernel/Terminal/FramebufferTerminal.cpp
+++ b/kernel/kernel/Terminal/FramebufferTerminal.cpp
@@ -102,10 +102,9 @@ namespace Kernel
 
 	void FramebufferTerminalDriver::show_cursor(bool use_data)
 	{
-		// NOTE: cursor is allowed to be on width as scrolling only
-		//       happens after character gets printed to next line
-		if (m_cursor_x == width())
+		if (m_cursor_x == width() || m_cursor_y == height())
 			return;
+		ASSERT(m_cursor_x < width() && m_cursor_y < height());
 
 		if (!use_data)
 			read_cursor();