diff --git a/kernel/src/holeybytes/mem.rs b/kernel/src/holeybytes/mem.rs
index e45087dd..e34b8dcc 100644
--- a/kernel/src/holeybytes/mem.rs
+++ b/kernel/src/holeybytes/mem.rs
@@ -35,6 +35,6 @@ impl hbvm::mem::Memory for Memory {
 
     #[inline]
     unsafe fn prog_read<T: Copy>(&mut self, addr: Address) -> T {
-        (addr.get() as *const T).read()
+        (addr.get() as *const T).read_unaligned()
     }
 }
diff --git a/repbuild/holeybytes/vfs_test.rhai b/repbuild/holeybytes/vfs_test.rhai
index aa4b8481..2883f384 100644
--- a/repbuild/holeybytes/vfs_test.rhai
+++ b/repbuild/holeybytes/vfs_test.rhai
@@ -11,9 +11,16 @@ fn main(){
     std::ipc_send(2, str, str.len);
 
     std::ipc_recv(2);
-    // load r2 
-    // loop through r3
+    li8(r1, 0x7);
+    li8(r2, 0);
+    li64(r3, 128821000);
 
+    let start = label();
+    st(r1, r2, 0xFFFF8000C0000000, 1);
+    addi64(r2, r2, 1);
+    jltu(r2, r3, start);
+
+    std::Info("VFS Test done!");
     // un();
     tx();
 }