In general the handling of IMA/EVM xattrs is good, but I found
a few locations where either the xattr size or the value of the
type field in the xattr are not checked. Add a few simple checks
to these locations to prevent malformed or malicious xattrs from
causing problems.
Signed-off-by: NSeth Forshee <seth.forshee@canonical.com>
Signed-off-by: NMimi Zohar <zohar@linux.vnet.ibm.com>