diff --git a/android/virtmgr/src/crosvm.rs b/android/virtmgr/src/crosvm.rs
index 5886535..0f41932 100644
--- a/android/virtmgr/src/crosvm.rs
+++ b/android/virtmgr/src/crosvm.rs
@@ -1045,8 +1045,9 @@
     }
 
     for disk in config.disks {
+        // Disk file locking is disabled because of missing SELinux policies.
         command.arg("--block").arg(format!(
-            "path={},ro={}",
+            "path={},ro={},lock=false",
             add_preserved_fd(&mut preserved_fds, disk.image),
             !disk.writable,
         ));