From a4583df025facb8a0262137a7d71486275527adc Mon Sep 17 00:00:00 2001
From: Christoph Herzog <chris@theduke.at>
Date: Wed, 31 May 2023 17:29:02 +0200
Subject: [PATCH] Actually mount when mapping into /

---
 lib/wasi/src/runners/wasi_common.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/wasi/src/runners/wasi_common.rs b/lib/wasi/src/runners/wasi_common.rs
index 6cb70499c37..257d115baaf 100644
--- a/lib/wasi/src/runners/wasi_common.rs
+++ b/lib/wasi/src/runners/wasi_common.rs
@@ -121,6 +121,7 @@ fn prepare_filesystem(
                 })?;
 
             if guest_path == Path::new("/") {
+                root_fs.mount_directory_entries(&guest_path, &host_fs, &host_path)?;
             } else {
                 if let Some(parent) = guest_path.parent() {
                     create_dir_all(&root_fs, parent).with_context(|| {