From f69793d38e9786bbd09fcf9881b83aa602fb7002 Mon Sep 17 00:00:00 2001
From: tiann <twsxtd@gmail.com>
Date: Wed, 10 May 2023 14:35:09 +0800
Subject: [PATCH] ksud: REPLACE must be directory, if you need to replace
 normal file, just put it to module's system corresponding location, don't
 need extra steps. fix #466

---
 userspace/ksud/src/installer.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/userspace/ksud/src/installer.sh b/userspace/ksud/src/installer.sh
index 5e3621f9..2d23d679 100644
--- a/userspace/ksud/src/installer.sh
+++ b/userspace/ksud/src/installer.sh
@@ -278,7 +278,9 @@ mark_remove() {
 }
 
 mark_replace() {
-  mkdir -p ${1%/*} 2>/dev/null
+  # REPLACE must be directory!!!
+  # https://docs.kernel.org/filesystems/overlayfs.html#whiteouts-and-opaque-directories
+  mkdir -p $1 2>/dev/null
   setfattr -n trusted.overlay.opaque -v y $1
   chmod 644 $1
 }