--- zzzz-none-000/linux-4.4.60/security/selinux/ss/services.c	2017-04-08 07:53:53.000000000 +0000
+++ scorpion-7490-727/linux-4.4.60/security/selinux/ss/services.c	2021-02-04 17:41:59.000000000 +0000
@@ -1440,7 +1440,7 @@
 				      scontext_len, &context, def_sid);
 	if (rc == -EINVAL && force) {
 		context.str = str;
-		context.len = scontext_len;
+		context.len = strlen(str) + 1;
 		str = NULL;
 	} else if (rc)
 		goto out_unlock;