From b7248be251d2cf16847ac4f8e98c155e13d796e9 Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Tue, 19 Jan 2021 18:21:43 +0100
Subject: [PATCH] Kernel: Allow sys$chmod() to change the sticky bit

We were incorrectly masking off the sticky bit when setting file modes.
---
 Kernel/FileSystem/VirtualFileSystem.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Kernel/FileSystem/VirtualFileSystem.cpp b/Kernel/FileSystem/VirtualFileSystem.cpp
index 30c3e3009c..06726ee936 100644
--- a/Kernel/FileSystem/VirtualFileSystem.cpp
+++ b/Kernel/FileSystem/VirtualFileSystem.cpp
@@ -502,7 +502,7 @@ KResult VFS::chmod(Custody& custody, mode_t mode)
         return KResult(-EROFS);
 
     // Only change the permission bits.
-    mode = (inode.mode() & ~06777u) | (mode & 06777u);
+    mode = (inode.mode() & ~07777u) | (mode & 07777u);
     return inode.chmod(mode);
 }