diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index 4344381664cce83d22bd82ac10cc786728b4a745..a724d7348b07a0a3cba6d324d435d49314e679a4 100644
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -1880,6 +1880,9 @@ int register_kretprobe(struct kretprobe *rp)
 	int i;
 	void *addr;
 
+	if ((ssize_t)rp->data_size < 0)
+		return -EINVAL;
+
 	if (!kprobe_on_func_entry(rp->kp.addr, rp->kp.symbol_name, rp->kp.offset))
 		return -EINVAL;