From 267ae77ea21886406e2dcbf1fdc22c93fbbd258f Mon Sep 17 00:00:00 2001
From: Bjarne von Horn <vh@igh.de>
Date: Thu, 23 Nov 2023 18:13:24 +0100
Subject: [PATCH] add 0 terminator in ioctl

---
 master/ioctl.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/master/ioctl.c b/master/ioctl.c
index 8c63bc6a..b2ade737 100644
--- a/master/ioctl.c
+++ b/master/ioctl.c
@@ -3050,6 +3050,7 @@ static ATTRIBUTES int ec_ioctl_sc_flag(
         kfree(key);
         return -EFAULT;
     }
+    key[ioctl.key_size] = '\0';
 
     if (down_interruptible(&master->master_sem)) {
         kfree(key);