From 7e890def481367694e2078dec21d2d9160e9fb77 Mon Sep 17 00:00:00 2001
From: squidbus <175574877+squidbus@users.noreply.github.com>
Date: Sat, 21 Dec 2024 16:49:34 -0800
Subject: [PATCH] fs: Return nullptr when file descriptor is out of bounds.
 (#1842)

---
 src/core/file_sys/fs.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/core/file_sys/fs.cpp b/src/core/file_sys/fs.cpp
index 45ba67b9..bf340e9e 100644
--- a/src/core/file_sys/fs.cpp
+++ b/src/core/file_sys/fs.cpp
@@ -171,6 +171,9 @@ void HandleTable::DeleteHandle(int d) {
 
 File* HandleTable::GetFile(int d) {
     std::scoped_lock lock{m_mutex};
+    if (d < 0 || d >= m_files.size()) {
+        return nullptr;
+    }
     return m_files.at(d);
 }