From 5e6b9141c11ebfd809acb69c7c672c6612334359 Mon Sep 17 00:00:00 2001
From: Marek Pola <marek.pola@sonymobile.com>
Date: Thu, 5 Feb 2015 14:22:34 +0100
Subject: [PATCH] prevent ioctl_init() to write outside buffer

The strncpy operation does not write a 0 termination
if the name is larger than the target buffer.

Ensure that zero termination is always written using
safe strlcpy function.

Change-Id: Idb68cdff7cd1a860c1dfac7494fa99f3d382cb91
---
 cryptfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cryptfs.c b/cryptfs.c
index aaa2b86..f45a200 100644
--- a/cryptfs.c
+++ b/cryptfs.c
@@ -326,7 +326,7 @@ static void ioctl_init(struct dm_ioctl *io, size_t dataSize, const char *name, u
     io->version[2] = 0;
     io->flags = flags;
     if (name) {
-        strncpy(io->name, name, sizeof(io->name));
+        strlcpy(io->name, name, sizeof(io->name));
     }
 }