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From: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
To: Andy Lutomirski <luto@kernel.org>
Cc: Sean Christopherson <sean.j.christopherson@intel.com>,
	James Morris <jmorris@namei.org>,
	"Serge E. Hallyn" <serge@hallyn.com>,
	LSM List <linux-security-module@vger.kernel.org>,
	Paul Moore <paul@paul-moore.com>,
	Stephen Smalley <sds@tycho.nsa.gov>,
	Eric Paris <eparis@parisplace.org>,
	selinux@vger.kernel.org, Jethro Beekman <jethro@fortanix.com>,
	"Xing, Cedric" <cedric.xing@intel.com>,
	"Hansen, Dave" <dave.hansen@intel.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	"Dr. Greg" <greg@enjellic.com>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	LKML <linux-kernel@vger.kernel.org>, X86 ML <x86@kernel.org>,
	"linux-sgx@vger.kernel.org" <linux-sgx@vger.kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	"nhorman@redhat.com" <nhorman@redhat.com>,
	"npmccallum@redhat.com" <npmccallum@redhat.com>,
	"Ayoun, Serge" <serge.ayoun@intel.com>,
	"Katz-zamir, Shay" <shay.katz-zamir@intel.com>,
	"Huang, Haitao" <haitao.huang@intel.com>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	"Svahn, Kai" <kai.svahn@intel.com>,
	Borislav Petkov <bp@alien8.de>,
	Josh Triplett <josh@joshtriplett.org>,
	"Huang, Kai" <kai.huang@intel.com>,
	David Rientjes <rientjes@google.com>
Subject: Re: SGX vs LSM (Re: [PATCH v20 00/28] Intel SGX1 support)
Date: Mon, 20 May 2019 14:33:13 +0300	[thread overview]
Message-ID: <20190520113313.GB27805@linux.intel.com> (raw)
In-Reply-To: <CALCETrVx1hgY67mP+73w5rT+eY+APcfS0YJ+XwtTLNz3CbVNMA@mail.gmail.com>

On Thu, May 16, 2019 at 02:02:58PM -0700, Andy Lutomirski wrote:
> That certainly *could* be done, and I guess the decision could be left
> to the LSMs, but I'm not convinced this adds value.  What security use
> case does this cover that isn't already covered by requiring EXECUTE
> (e.g. lib_t) on the enclave file and some new SIGSTRUCT right on the
> .sigstruct?

I guess you are right as SIGSTRUCT completely shields the memory layout
and contents of an enclave.

/Jarkko

  parent reply	other threads:[~2019-05-20 11:33 UTC|newest]

Thread overview: 127+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <8fe520bb-30bd-f246-a3d8-c5443e47a014@intel.com>
     [not found] ` <358e9b36-230f-eb18-efdb-b472be8438b4@fortanix.com>
     [not found]   ` <960B34DE67B9E140824F1DCDEC400C0F4E886094@ORSMSX116.amr.corp.intel.com>
     [not found]     ` <6da269d8-7ebb-4177-b6a7-50cc5b435cf4@fortanix.com>
     [not found]       ` <CALCETrWCZQwg-TUCm58DVG43=xCKRsMe1tVHrR8vdt06hf4fWA@mail.gmail.com>
     [not found]         ` <20190513102926.GD8743@linux.intel.com>
     [not found]           ` <20190514104323.GA7591@linux.intel.com>
     [not found]             ` <CALCETrVbgTCnPo=PAq0-KoaRwt--urrPzn==quAJ8wodCpkBkw@mail.gmail.com>
     [not found]               ` <20190514204527.GC1977@linux.intel.com>
     [not found]                 ` <CALCETrX6aL367mMJh5+Y1Seznfu-AvhPV6P7GkWF4Dhu0GV8cw@mail.gmail.com>
     [not found]                   ` <20190515013031.GF1977@linux.intel.com>
2019-05-15 18:27                     ` SGX vs LSM (Re: [PATCH v20 00/28] Intel SGX1 support) Andy Lutomirski
2019-05-15 19:58                       ` James Morris
2019-05-15 20:35                         ` Andy Lutomirski
2019-05-15 22:46                           ` James Morris
2019-05-15 23:13                             ` Andy Lutomirski
2019-05-16  3:03                               ` Xing, Cedric
2019-05-16  4:40                                 ` Andy Lutomirski
2019-05-16 22:23                                   ` Xing, Cedric
2019-05-17  0:35                                     ` Andy Lutomirski
2019-05-17  1:06                                       ` Xing, Cedric
2019-05-17  1:21                                         ` Andy Lutomirski
2019-05-17 16:05                                       ` Sean Christopherson
2019-05-17 13:53                                     ` Stephen Smalley
2019-05-17 15:09                                       ` Sean Christopherson
2019-05-17 16:20                                         ` Stephen Smalley
2019-05-17 16:24                                           ` Andy Lutomirski
2019-05-17 16:37                                           ` Stephen Smalley
2019-05-17 17:12                                             ` Andy Lutomirski
2019-05-17 18:05                                               ` Stephen Smalley
2019-05-17 19:20                                                 ` Stephen Smalley
2019-05-17 19:28                                                 ` Sean Christopherson
2019-05-17 20:09                                                   ` Stephen Smalley
2019-05-17 20:14                                                     ` Andy Lutomirski
2019-05-17 20:34                                                       ` Stephen Smalley
2019-05-17 21:36                                                     ` Sean Christopherson
2019-05-17 17:29                                             ` Sean Christopherson
2019-05-17 17:42                                               ` Stephen Smalley
2019-05-17 17:50                                                 ` Sean Christopherson
2019-05-17 18:16                                                   ` Stephen Smalley
2019-05-17 17:43                                               ` Andy Lutomirski
2019-05-17 17:55                                                 ` Sean Christopherson
2019-05-17 18:04                                                   ` Linus Torvalds
2019-05-17 18:21                                                     ` Sean Christopherson
2019-05-17 18:33                                                       ` Linus Torvalds
2019-05-17 18:52                                                         ` Sean Christopherson
2019-05-17 18:53                                                       ` Andy Lutomirski
2019-05-16  7:24                               ` James Morris
2019-05-16 21:00                                 ` Andy Lutomirski
2019-05-20  9:38                                 ` Dr. Greg
2019-05-15 21:38                       ` Sean Christopherson
2019-05-16  1:19                         ` Haitao Huang
2019-05-16  5:16                       ` Jarkko Sakkinen
2019-05-16 21:02                         ` Andy Lutomirski
2019-05-16 22:45                           ` Sean Christopherson
2019-05-16 23:29                             ` Xing, Cedric
2019-05-20 11:29                             ` Jarkko Sakkinen
2019-05-20 11:33                           ` Jarkko Sakkinen [this message]
2019-05-17  0:03                       ` Sean Christopherson
2019-05-17  0:26                         ` Andy Lutomirski
2019-05-17 15:41                           ` Sean Christopherson
2019-05-20 11:42                             ` Jarkko Sakkinen
2019-05-20 11:41                           ` Jarkko Sakkinen
2019-05-21 15:19                             ` Jarkko Sakkinen
2019-05-21 15:24                               ` Jethro Beekman
2019-05-22 13:10                                 ` Jarkko Sakkinen
2019-05-21 15:51                               ` Sean Christopherson
2019-05-22 13:20                                 ` Jarkko Sakkinen
2019-05-22 13:22                                   ` Jarkko Sakkinen
2019-05-22 13:56                                     ` Stephen Smalley
2019-05-22 15:38                                       ` Sean Christopherson
2019-05-22 22:42                                         ` Andy Lutomirski
2019-05-23  2:35                                           ` Sean Christopherson
2019-05-23 10:26                                             ` Jarkko Sakkinen
2019-05-23 14:17                                               ` Sean Christopherson
2019-05-23 15:38                                                 ` Andy Lutomirski
2019-05-23 23:40                                                   ` Sean Christopherson
2019-05-24  1:17                                                     ` Andy Lutomirski
2019-05-24  7:24                                                       ` Xing, Cedric
2019-05-24 15:41                                                         ` Stephen Smalley
2019-05-24 16:57                                                           ` Xing, Cedric
2019-05-24 17:42                                                           ` Sean Christopherson
2019-05-24 17:54                                                             ` Andy Lutomirski
2019-05-24 17:56                                                               ` Sean Christopherson
2019-05-24 17:54                                                             ` Sean Christopherson
2019-05-24 18:34                                                               ` Xing, Cedric
2019-05-24 19:13                                                                 ` Sean Christopherson
2019-05-24 19:30                                                                   ` Andy Lutomirski
2019-05-24 20:42                                                                   ` Xing, Cedric
2019-05-24 21:11                                                                     ` Sean Christopherson
2019-05-24 19:37                                                                 ` Andy Lutomirski
2019-05-24 20:03                                                                   ` Sean Christopherson
2019-05-24 20:58                                                                     ` Xing, Cedric
2019-05-24 21:27                                                                     ` Andy Lutomirski
2019-05-24 22:41                                                                       ` Sean Christopherson
2019-05-24 23:42                                                                         ` Andy Lutomirski
2019-05-25 22:40                                                                           ` Xing, Cedric
2019-05-26  0:57                                                                             ` Andy Lutomirski
2019-05-26  6:09                                                                               ` Xing, Cedric
2019-05-28 20:24                                                                                 ` Sean Christopherson
2019-05-28 20:48                                                                                   ` Andy Lutomirski
2019-05-28 21:41                                                                                     ` Sean Christopherson
2019-05-30  5:38                                                                                       ` Xing, Cedric
2019-05-30 17:21                                                                                         ` Sean Christopherson
2019-05-29 14:08                                                                                   ` Stephen Smalley
2019-05-30  6:12                                                                                     ` Xing, Cedric
2019-05-30 14:22                                                                                       ` Stephen Smalley
2019-05-30 14:31                                                                                         ` Andy Lutomirski
2019-05-30 15:04                                                                                           ` Stephen Smalley
2019-05-30 16:14                                                                                             ` Andy Lutomirski
2019-05-30 18:01                                                                                               ` Sean Christopherson
2019-05-30 19:20                                                                                                 ` Andy Lutomirski
2019-05-30 21:16                                                                                                   ` Sean Christopherson
2019-05-30 21:23                                                                                                     ` Andy Lutomirski
2019-05-30 21:36                                                                                                       ` Sean Christopherson
2019-06-03  9:12                                                                                                         ` Dr. Greg
2019-06-03 21:08                                                                                                         ` Jarkko Sakkinen
2019-05-30 21:48                                                                                                   ` Xing, Cedric
2019-05-30 22:24                                                                                                     ` Sean Christopherson
2019-06-03 21:05                                                                                                 ` Jarkko Sakkinen
2019-06-03 20:54                                                                                               ` Jarkko Sakkinen
2019-06-03 21:23                                                                                                 ` Sean Christopherson
2019-06-04 11:39                                                                                                   ` Jarkko Sakkinen
2019-06-03 21:37                                                                                                 ` Andy Lutomirski
2019-06-03 20:47                                                                                             ` Jarkko Sakkinen
2019-06-03 20:43                                                                                           ` Jarkko Sakkinen
2019-05-25 17:31                                                                     ` Dr. Greg
2019-05-24 16:43                                                         ` Andy Lutomirski
2019-05-24 17:07                                                           ` Sean Christopherson
2019-05-24 17:51                                                             ` Andy Lutomirski
2019-05-24 14:44                                                   ` Stephen Smalley
2019-05-27 13:48                                                   ` Jarkko Sakkinen
2019-05-23 19:58                                                 ` Sean Christopherson
2019-05-27 13:34                                                 ` Jarkko Sakkinen
2019-05-27 13:38                                                   ` Jarkko Sakkinen
2019-05-23  8:10                                           ` Jarkko Sakkinen
2019-05-23  8:23                                             ` Jarkko Sakkinen
2019-05-20 11:36                         ` Jarkko Sakkinen

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