From mboxrd@z Thu Jan 1 00:00:00 1970 From: James Bottomley Subject: Re: [tpmdd-devel] [PATCH v2 1/2] tpm2: add session handle context saving and restoring to the space code Date: Sun, 29 Jan 2017 16:55:14 -0800 Message-ID: <1485737714.2491.13.camel@HansenPartnership.com> References: <1485563481.3229.39.camel@HansenPartnership.com> <1485563558.3229.41.camel@HansenPartnership.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: owner-linux-security-module@vger.kernel.org To: Ken Goldman , tpmdd-devel@lists.sourceforge.net Cc: linux-security-module@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: tpmdd-devel@lists.sourceforge.net On Sun, 2017-01-29 at 19:35 -0500, Ken Goldman wrote: > On 1/27/2017 7:32 PM, James Bottomley wrote: > > > > Sessions are also isolated during each instance of a tpm space. > > This means that spaces shouldn't be able to see each other's > > sessions and is enforced by ensuring that a space user may only > > refer to sessions handles that are present in their own chip > > ->session_tbl. Finally when a space is closed, all the sessions > > belonging to it should be flushed so the handles may be re-used by > > other spaces. > > This should be true for transient objects as well. It is ... it's just this patch only covers sessions. James