From d363d5e91584b92dc1506a871c1421980e7b2f77 Mon Sep 17 00:00:00 2001
From: apio <blobs.trading@gmail.com>
Date: Sun, 2 Jul 2023 17:30:14 +0200
Subject: [PATCH] kernel/ext2: Make sure we don't crash when accessing the last
 inode

---
 kernel/src/fs/ext2/FileSystem.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/kernel/src/fs/ext2/FileSystem.cpp b/kernel/src/fs/ext2/FileSystem.cpp
index 31a80ec6..9735f3a9 100644
--- a/kernel/src/fs/ext2/FileSystem.cpp
+++ b/kernel/src/fs/ext2/FileSystem.cpp
@@ -27,7 +27,8 @@ namespace Ext2
 
     Result<SharedPtr<VFS::Inode>> FileSystem::find_inode_by_number(ino_t inum, bool initialize_dir_now)
     {
-        check(inum < m_superblock.nr_inodes);
+        // Inode numbers start at 1.
+        check(inum <= m_superblock.nr_inodes);
 
         auto maybe_inode = m_inode_cache.try_get(inum);
         if (maybe_inode.has_value()) return maybe_inode.value();