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(parent: 99b373f) | patch
Ecryptfs: Add mount option to check uid of device being mounted = expect uid
authorJohn Johansen <john.johansen@canonical.com>
Fri, 22 Jul 2011 15:14:15 +0000 (08:14 -0700)
committerTyler Hicks <tyhicks@linux.vnet.ibm.com>
Wed, 10 Aug 2011 04:29:01 +0000 (23:29 -0500)
commit764355487ea220fdc2faf128d577d7f679b91f97
treef265a3f71bd57838bf3d00c26ed385f8978ef139tree | snapshot
parent99b373ff2d1246f64b97a3d449a2fd6018d504e6commit | diff
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>
fs/ecryptfs/main.c diff | blob | history
Domain: System / Kernel;