diff --git a/common/dummy_malloc.c b/common/dummy_malloc.c
index 213e51d..ccee521 100644
--- a/common/dummy_malloc.c
+++ b/common/dummy_malloc.c
@@ -24,3 +24,15 @@
 	BUG();
 }
 
+void *calloc(size_t n, size_t elem_size)
+{
+	size_t size = elem_size * n;
+	void *r = malloc(size);
+
+	if (!r)
+		return r;
+
+	memset(r, 0x0, size);
+
+	return r;
+}