commit 5e6b9141c11ebfd809acb69c7c672c6612334359
author Marek Pola <marek.pola@sonymobile.com> Thu Feb 05 14:22:34 2015 +0100
committer Henrik Baard <henrik.baard@sonymobile.com> Fri Feb 06 08:01:43 2015 +0100
tree c6f919d57308c0d644881d17300323d64070d749
parent f3b2637e0611ac7953c18ce39a47b7c408a70160

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

diff --git a/cryptfs.c b/cryptfs.c
index aaa2b86..f45a200 100644
--- a/cryptfs.c
+++ b/cryptfs.c
@@ -326,7 +326,7 @@
     io->version[2] = 0;
     io->flags = flags;
     if (name) {
-        strncpy(io->name, name, sizeof(io->name));
+        strlcpy(io->name, name, sizeof(io->name));
     }
 }