tree f265a3f71bd57838bf3d00c26ed385f8978ef139
parent 99b373ff2d1246f64b97a3d449a2fd6018d504e6
author John Johansen <john.johansen@canonical.com> 1311347655 -0700
committer Tyler Hicks <tyhicks@linux.vnet.ibm.com> 1312950541 -0500

Ecryptfs: Add mount option to check uid of device being mounted = expect uid

Close a TOCTOU race for mounts done via ecryptfs-mount-private.  The mount
source (device) can be raced when the ownership test is done in userspace.
Provide Ecryptfs a means to force the uid check at mount time.

Signed-off-by: John Johansen <john.johansen@canonical.com>
Cc: <stable@kernel.org>
Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>