diff --git a/xen/include/asm-x86/p2m.h b/xen/include/asm-x86/p2m.h
index 7a7c7eb12b..d5665b87fb 100644
--- a/xen/include/asm-x86/p2m.h
+++ b/xen/include/asm-x86/p2m.h
@@ -400,7 +400,7 @@ static inline struct page_info *get_page_from_gfn(
     if (t)
         *t = p2m_ram_rw;
     page = __mfn_to_page(gfn);
-    return get_page(page, d) ? page : NULL;
+    return mfn_valid(gfn) && get_page(page, d) ? page : NULL;
 }