diff --git a/src/libs/Cargo.lock b/src/libs/Cargo.lock
index 66090c19c5..90423e0023 100644
--- a/src/libs/Cargo.lock
+++ b/src/libs/Cargo.lock
@@ -40,6 +40,12 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
+[[package]]
+name = "base64"
+version = "0.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"
+
 [[package]]
 name = "bitflags"
 version = "1.2.1"
@@ -420,6 +426,8 @@ dependencies = [
 name = "kata-types"
 version = "0.1.0"
 dependencies = [
+ "anyhow",
+ "base64",
  "bitmask-enum",
  "byte-unit",
  "glob",
diff --git a/src/libs/kata-sys-util/src/mount.rs b/src/libs/kata-sys-util/src/mount.rs
index 61a80f150a..dd75c0f161 100644
--- a/src/libs/kata-sys-util/src/mount.rs
+++ b/src/libs/kata-sys-util/src/mount.rs
@@ -43,8 +43,6 @@
 use std::fmt::Debug;
 use std::fs;
 use std::io::{self, BufRead};
-use std::os::raw::c_char;
-use std::os::unix::ffi::OsStrExt;
 use std::os::unix::fs::{DirBuilderExt, OpenOptionsExt};
 use std::os::unix::io::AsRawFd;
 use std::path::{Path, PathBuf};
@@ -760,18 +758,11 @@ pub fn umount_all<P: AsRef<Path>>(mountpoint: P, lazy_umount: bool) -> Result<()
 
 // Counterpart of nix::umount2, with support of `UMOUNT_FOLLOW`.
 fn umount2<P: AsRef<Path>>(path: P, lazy_umount: bool) -> std::io::Result<()> {
-    let path_ptr = path.as_ref().as_os_str().as_bytes().as_ptr() as *const c_char;
-    let mut flags = MntFlags::UMOUNT_NOFOLLOW.bits();
+    let mut flags = MntFlags::UMOUNT_NOFOLLOW;
     if lazy_umount {
-        flags |= MntFlags::MNT_DETACH.bits();
-    }
-
-    // Safe because parameter is valid and we have checked the reuslt.
-    if unsafe { libc::umount2(path_ptr, flags) } < 0 {
-        Err(io::Error::last_os_error())
-    } else {
-        Ok(())
+        flags |= MntFlags::MNT_DETACH;
     }
+    nix::mount::umount2(path.as_ref(), flags).map_err(io::Error::from)
 }
 
 #[cfg(test)]