From: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
To: PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com>
Cc: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>,
Stefan Berger <stefanb@linux.vnet.ibm.com>,
linux-integrity@vger.kernel.org,
David Howells <dhowells@redhat.com>,
Herbert Xu <herbert@gondor.apana.org.au>,
"open list:INTEGRITY MEASUREMENT ARCHITECTURE IMA"
<linux-ima-user@lists.sourceforge.net>,
Dmitry Kasatkin <dmitry.kasatkin@gmail.com>,
open list <linux-kernel@vger.kernel.org>,
linux-security-module@vger.kernel.org,
"moderated list:TPM DEVICE DRIVER"
<tpmdd-devel@lists.sourceforge.net>,
"open list:KEYS-TRUSTED" <keyrings@vger.kernel.org>,
"open list:HARDWARE RANDOM NUMBER GENERATOR CORE"
<linux-crypto@vger.kernel.org>,
James Morris <james.l.morris@oracle.com>,
Matt Mackall <mpm@selenic.com>open list:INTEGRITY MEASUREMENT
ARCHITECTURE IMA
Subject: Re: [tpmdd-devel] [PATCH] tpm: remove chip_num parameter from in-kernel API
Date: Tue, 24 Oct 2017 15:55:26 +0000 [thread overview]
Message-ID: <20171024155526.GA32250@obsidianresearch.com> (raw)
In-Reply-To: <CANc+2y4TbkfPT3d_sBd0MbE7ZJ4F7Sfsfvdv9V6=63=tRpWn4A@mail.gmail.com>
On Tue, Oct 24, 2017 at 09:21:15PM +0530, PrasannaKumar Muralidharan wrote:
> Please check the RFC [1]. It does use chip id. The rfc has issues and
> has to be fixed but still there could be users of the API.
>
> 1. https://www.spinics.net/lists/linux-crypto/msg28282.html
That patch isn't safe at all. You need to store a kref to th chip in
the hwrng, not parse a string.
Jason
WARNING: multiple messages have this Message-ID (diff)
From: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
To: PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com>
Cc: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>,
Stefan Berger <stefanb@linux.vnet.ibm.com>,
linux-integrity@vger.kernel.org,
David Howells <dhowells@redhat.com>,
Herbert Xu <herbert@gondor.apana.org.au>,
"open list:INTEGRITY MEASUREMENT ARCHITECTURE IMA"
<linux-ima-user@lists.sourceforge.net>,
Dmitry Kasatkin <dmitry.kasatkin@gmail.com>,
open list <linux-kernel@vger.kernel.org>,
linux-security-module@vger.kernel.org,
"moderated list:TPM DEVICE DRIVER"
<tpmdd-devel@lists.sourceforge.net>,
"open list:KEYS-TRUSTED" <keyrings@vger.kernel.org>,
"open list:HARDWARE RANDOM NUMBER GENERATOR CORE"
<linux-crypto@vger.kernel.org>,
James Morris <james.l.morris@oracle.com>,
Matt Mackall <mpm@selenic.com>,
"open list:INTEGRITY MEASUREMENT ARCHITECTURE IMA"
Subject: Re: [tpmdd-devel] [PATCH] tpm: remove chip_num parameter from in-kernel API
Date: Tue, 24 Oct 2017 09:55:26 -0600 [thread overview]
Message-ID: <20171024155526.GA32250@obsidianresearch.com> (raw)
In-Reply-To: <CANc+2y4TbkfPT3d_sBd0MbE7ZJ4F7Sfsfvdv9V6=63=tRpWn4A@mail.gmail.com>
On Tue, Oct 24, 2017 at 09:21:15PM +0530, PrasannaKumar Muralidharan wrote:
> Please check the RFC [1]. It does use chip id. The rfc has issues and
> has to be fixed but still there could be users of the API.
>
> 1. https://www.spinics.net/lists/linux-crypto/msg28282.html
That patch isn't safe at all. You need to store a kref to th chip in
the hwrng, not parse a string.
Jason
WARNING: multiple messages have this Message-ID (diff)
From: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
To: PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com>
Cc: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>,
Stefan Berger <stefanb@linux.vnet.ibm.com>,
linux-integrity@vger.kernel.org,
David Howells <dhowells@redhat.com>,
Herbert Xu <herbert@gondor.apana.org.au>,
"open list:INTEGRITY MEASUREMENT ARCHITECTURE IMA"
<linux-ima-user@lists.sourceforge.net>,
Dmitry Kasatkin <dmitry.kasatkin@gmail.com>,
open list <linux-kernel@vger.kernel.org>,
linux-security-module@vger.kernel.org,
"moderated list:TPM DEVICE DRIVER"
<tpmdd-devel@lists.sourceforge.net>,
"open list:KEYS-TRUSTED" <keyrings@vger.kernel.org>,
"open list:HARDWARE RANDOM NUMBER GENERATOR CORE"
<linux-crypto@vger.kernel.org>,
James Morris <james.l.morris@oracle.com>,
Matt Mackall <mpm@selenic.com>,
"open list:INTEGRITY MEASUREMENT ARCHITECTURE IMA"
<linux-ima-devel@lists.sourceforge.net>,
David Safford <safford@us.ibm.com>,
Mimi Zohar <zohar@linux.vnet.ibm.com>,
"Serge E. Hallyn" <serge@hallyn.com>
Subject: Re: [tpmdd-devel] [PATCH] tpm: remove chip_num parameter from in-kernel API
Date: Tue, 24 Oct 2017 09:55:26 -0600 [thread overview]
Message-ID: <20171024155526.GA32250@obsidianresearch.com> (raw)
In-Reply-To: <CANc+2y4TbkfPT3d_sBd0MbE7ZJ4F7Sfsfvdv9V6=63=tRpWn4A@mail.gmail.com>
On Tue, Oct 24, 2017 at 09:21:15PM +0530, PrasannaKumar Muralidharan wrote:
> Please check the RFC [1]. It does use chip id. The rfc has issues and
> has to be fixed but still there could be users of the API.
>
> 1. https://www.spinics.net/lists/linux-crypto/msg28282.html
That patch isn't safe at all. You need to store a kref to th chip in
the hwrng, not parse a string.
Jason
WARNING: multiple messages have this Message-ID (diff)
From: jgunthorpe@obsidianresearch.com (Jason Gunthorpe)
To: linux-security-module@vger.kernel.org
Subject: [tpmdd-devel] [PATCH] tpm: remove chip_num parameter from in-kernel API
Date: Tue, 24 Oct 2017 09:55:26 -0600 [thread overview]
Message-ID: <20171024155526.GA32250@obsidianresearch.com> (raw)
In-Reply-To: <CANc+2y4TbkfPT3d_sBd0MbE7ZJ4F7Sfsfvdv9V6=63=tRpWn4A@mail.gmail.com>
On Tue, Oct 24, 2017 at 09:21:15PM +0530, PrasannaKumar Muralidharan wrote:
> Please check the RFC [1]. It does use chip id. The rfc has issues and
> has to be fixed but still there could be users of the API.
>
> 1. https://www.spinics.net/lists/linux-crypto/msg28282.html
That patch isn't safe at all. You need to store a kref to th chip in
the hwrng, not parse a string.
Jason
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WARNING: multiple messages have this Message-ID (diff)
From: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
To: PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com>
Cc: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>,
Stefan Berger <stefanb@linux.vnet.ibm.com>,
linux-integrity@vger.kernel.org,
David Howells <dhowells@redhat.com>,
Herbert Xu <herbert@gondor.apana.org.au>,
"open list:INTEGRITY MEASUREMENT ARCHITECTURE IMA"
<linux-ima-user@lists.sourceforge.net>,
Dmitry Kasatkin <dmitry.kasatkin@gmail.com>,
open list <linux-kernel@vger.kernel.org>,
linux-security-module@vger.kernel.org,
"moderated list:TPM DEVICE DRIVER"
<tpmdd-devel@lists.sourceforge.net>,
"open list:KEYS-TRUSTED" <keyrings@vger.kernel.org>,
"open list:HARDWARE RANDOM NUMBER GENERATOR CORE"
<linux-crypto@vger.kernel.org>,
James Morris <james.l.morris@oracle.com>,
Matt Mackall <mpm@selenic.com>open list:INTEGRITY MEASUREMENT
ARCHITECTURE IMA
Subject: Re: [tpmdd-devel] [PATCH] tpm: remove chip_num parameter from in-kernel API
Date: Tue, 24 Oct 2017 09:55:26 -0600 [thread overview]
Message-ID: <20171024155526.GA32250@obsidianresearch.com> (raw)
In-Reply-To: <CANc+2y4TbkfPT3d_sBd0MbE7ZJ4F7Sfsfvdv9V6=63=tRpWn4A@mail.gmail.com>
On Tue, Oct 24, 2017 at 09:21:15PM +0530, PrasannaKumar Muralidharan wrote:
> Please check the RFC [1]. It does use chip id. The rfc has issues and
> has to be fixed but still there could be users of the API.
>
> 1. https://www.spinics.net/lists/linux-crypto/msg28282.html
That patch isn't safe at all. You need to store a kref to th chip in
the hwrng, not parse a string.
Jason
next prev parent reply other threads:[~2017-10-24 15:55 UTC|newest]
Thread overview: 123+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-23 12:38 [PATCH] tpm: remove chip_num parameter from in-kernel API Jarkko Sakkinen
2017-10-23 12:38 ` Jarkko Sakkinen
2017-10-23 12:38 ` Jarkko Sakkinen
2017-10-23 12:38 ` Jarkko Sakkinen
2017-10-23 12:38 ` Jarkko Sakkinen
2017-10-23 14:07 ` [tpmdd-devel] " Stefan Berger
2017-10-23 14:07 ` Stefan Berger
2017-10-23 14:07 ` Stefan Berger
2017-10-23 14:07 ` Stefan Berger
2017-10-23 14:07 ` Stefan Berger
2017-10-23 16:31 ` Jason Gunthorpe
2017-10-23 16:31 ` Jason Gunthorpe
2017-10-23 16:31 ` Jason Gunthorpe
2017-10-23 16:31 ` Jason Gunthorpe
2017-10-23 16:31 ` Jason Gunthorpe
2017-10-24 15:44 ` Jarkko Sakkinen
2017-10-24 15:44 ` Jarkko Sakkinen
2017-10-24 15:44 ` Jarkko Sakkinen
2017-10-24 15:44 ` Jarkko Sakkinen
2017-10-24 15:44 ` Jarkko Sakkinen
[not found] ` <20171024154440.3jeupmus43jcgbbz-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2017-10-24 15:51 ` PrasannaKumar Muralidharan
2017-10-24 15:51 ` [tpmdd-devel] " PrasannaKumar Muralidharan
2017-10-24 15:51 ` PrasannaKumar Muralidharan
2017-10-24 15:51 ` PrasannaKumar Muralidharan
2017-10-24 15:55 ` Jason Gunthorpe [this message]
2017-10-24 15:55 ` Jason Gunthorpe
2017-10-24 15:55 ` Jason Gunthorpe
2017-10-24 15:55 ` Jason Gunthorpe
2017-10-24 15:55 ` Jason Gunthorpe
2017-10-24 16:07 ` PrasannaKumar Muralidharan
2017-10-24 16:19 ` PrasannaKumar Muralidharan
2017-10-24 16:07 ` PrasannaKumar Muralidharan
2017-10-24 16:07 ` PrasannaKumar Muralidharan
2017-10-24 16:07 ` PrasannaKumar Muralidharan
2017-10-24 16:11 ` Jason Gunthorpe
2017-10-24 16:11 ` Jason Gunthorpe
2017-10-24 16:11 ` Jason Gunthorpe
2017-10-24 16:11 ` Jason Gunthorpe
2017-10-24 16:11 ` Jason Gunthorpe
2017-10-24 16:14 ` PrasannaKumar Muralidharan
2017-10-24 16:26 ` PrasannaKumar Muralidharan
2017-10-24 16:14 ` PrasannaKumar Muralidharan
2017-10-24 16:14 ` PrasannaKumar Muralidharan
2017-10-24 16:14 ` PrasannaKumar Muralidharan
2017-10-24 17:46 ` Jason Gunthorpe
2017-10-24 17:46 ` Jason Gunthorpe
2017-10-24 17:46 ` Jason Gunthorpe
2017-10-24 17:46 ` Jason Gunthorpe
2017-10-24 17:46 ` Jason Gunthorpe
2017-10-24 17:56 ` PrasannaKumar Muralidharan
2017-10-24 17:56 ` PrasannaKumar Muralidharan
2017-10-24 17:56 ` PrasannaKumar Muralidharan
2017-10-24 17:56 ` PrasannaKumar Muralidharan
2017-10-24 17:56 ` PrasannaKumar Muralidharan
2017-10-24 17:02 ` Dmitry Torokhov
2017-10-24 17:02 ` Dmitry Torokhov
2017-10-24 17:02 ` Dmitry Torokhov
2017-10-24 17:02 ` Dmitry Torokhov
2017-10-24 17:02 ` Dmitry Torokhov
2017-10-24 17:37 ` Jason Gunthorpe
2017-10-24 17:37 ` Jason Gunthorpe
2017-10-24 17:37 ` Jason Gunthorpe
2017-10-24 17:37 ` Jason Gunthorpe
2017-10-24 17:37 ` Jason Gunthorpe
2017-10-24 17:44 ` PrasannaKumar Muralidharan
2017-10-24 17:56 ` PrasannaKumar Muralidharan
2017-10-24 17:44 ` PrasannaKumar Muralidharan
2017-10-24 17:44 ` PrasannaKumar Muralidharan
2017-10-24 17:44 ` PrasannaKumar Muralidharan
[not found] ` <20171024173757.GA1806-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2017-10-24 18:04 ` Dmitry Torokhov
2017-10-24 18:04 ` Dmitry Torokhov
2017-10-24 18:04 ` [tpmdd-devel] " Dmitry Torokhov
2017-10-24 18:04 ` Dmitry Torokhov
2017-10-24 18:04 ` Dmitry Torokhov
2017-10-24 18:15 ` [tpmdd-devel] " Jarkko Sakkinen
2017-10-24 18:15 ` Jarkko Sakkinen
2017-10-24 18:15 ` Jarkko Sakkinen
2017-10-24 18:15 ` Jarkko Sakkinen
2017-10-24 18:15 ` Jarkko Sakkinen
[not found] ` <20171024181512.iaxtzgxexhki7aqr-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2017-10-24 18:40 ` Peter Huewe
2017-10-24 18:40 ` Peter Huewe
2017-10-24 18:40 ` [tpmdd-devel] " Peter Huewe
2017-10-24 18:40 ` Peter Huewe
2017-10-24 18:40 ` Peter Huewe
2017-10-24 16:23 ` [tpmdd-devel] " Jarkko Sakkinen
2017-10-24 16:23 ` Jarkko Sakkinen
2017-10-24 16:23 ` Jarkko Sakkinen
2017-10-24 16:23 ` Jarkko Sakkinen
2017-10-24 16:23 ` Jarkko Sakkinen
2017-10-24 16:35 ` PrasannaKumar Muralidharan
2017-10-24 16:47 ` PrasannaKumar Muralidharan
2017-10-24 16:35 ` PrasannaKumar Muralidharan
2017-10-24 16:35 ` PrasannaKumar Muralidharan
2017-10-24 16:35 ` PrasannaKumar Muralidharan
[not found] ` <CANc+2y4vtr+kbhC_7Rv=rHA2LgEVBHLFEu+DYYK1UmpU63PCgQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-10-24 18:22 ` Jarkko Sakkinen
2017-10-24 18:22 ` Jarkko Sakkinen
2017-10-24 18:22 ` Jarkko Sakkinen
2017-10-24 18:22 ` Jarkko Sakkinen
[not found] ` <20171024182235.d7b3oajc5zcjs57v-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2017-10-25 14:51 ` PrasannaKumar Muralidharan
2017-10-25 14:51 ` [tpmdd-devel] " PrasannaKumar Muralidharan
2017-10-25 14:51 ` PrasannaKumar Muralidharan
2017-10-25 14:51 ` PrasannaKumar Muralidharan
2017-10-25 19:11 ` Jarkko Sakkinen
2017-10-25 19:11 ` Jarkko Sakkinen
2017-10-25 19:11 ` Jarkko Sakkinen
2017-10-25 19:11 ` Jarkko Sakkinen
2017-10-25 19:11 ` Jarkko Sakkinen
2017-10-26 16:23 ` PrasannaKumar Muralidharan
2017-10-26 16:35 ` PrasannaKumar Muralidharan
2017-10-26 16:23 ` PrasannaKumar Muralidharan
2017-10-26 16:23 ` PrasannaKumar Muralidharan
2017-10-26 16:23 ` PrasannaKumar Muralidharan
2017-10-24 14:04 ` Jarkko Sakkinen
2017-10-24 14:04 ` Jarkko Sakkinen
2017-10-24 14:04 ` Jarkko Sakkinen
2017-10-24 14:04 ` Jarkko Sakkinen
2017-10-24 14:04 ` Jarkko Sakkinen
2017-10-24 18:52 ` Jason Gunthorpe
2017-10-24 18:52 ` Jason Gunthorpe
2017-10-24 18:52 ` Jason Gunthorpe
2017-10-24 22:27 ` Jarkko Sakkinen
2017-10-24 22:27 ` Jarkko Sakkinen
2017-10-24 22:27 ` Jarkko Sakkinen
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