diff --git a/drivers/android/binder.c b/drivers/android/binder.c
index 269d314e73a7..869ab2e8e42c 100644
--- a/drivers/android/binder.c
+++ b/drivers/android/binder.c
@@ -3173,6 +3173,7 @@ static void binder_transaction(struct binder_proc *proc,
 		 */
 		copy_size = object_offset - user_offset;
 		if (copy_size && (user_offset > object_offset ||
+				object_offset > tr->data_size ||
 				binder_alloc_copy_user_to_buffer(
 					&target_proc->alloc,
 					t->buffer, user_offset,