From: Michael Ellerman <mpe@ellerman.id.au>
To: Mimi Zohar <zohar@linux.vnet.ibm.com>,
linux-security-module@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org, kexec@lists.infradead.org,
linux-kernel@vger.kernel.org,
Thiago Jung Bauermann <bauerman@linux.vnet.ibm.com>,
linux-ima-devel@lists.sourceforge.net,
Mimi Zohar <zohar@linux.vnet.ibm.com>,
Dave Young <dyoung@redhat.com>
Subject: Re: [PATCH 1/7] ima: on soft reboot, restore the measurement list
Date: Tue, 09 Aug 2016 20:59:51 +1000 [thread overview]
Message-ID: <87wpjqtdg8.fsf@concordia.ellerman.id.au> (raw)
In-Reply-To: <1470313475-20090-2-git-send-email-zohar@linux.vnet.ibm.com>
Mimi Zohar <zohar@linux.vnet.ibm.com> writes:
> diff --git a/security/integrity/ima/ima.h b/security/integrity/ima/ima.h
> index b5728da..84e8d36 100644
> --- a/security/integrity/ima/ima.h
> +++ b/security/integrity/ima/ima.h
> @@ -102,6 +102,13 @@ struct ima_queue_entry {
> };
> extern struct list_head ima_measurements; /* list of all measurements */
>
> +/* Some details preceding the binary serialized measurement list */
> +struct ima_kexec_hdr {
> + unsigned short version;
> + unsigned long buffer_size;
> + unsigned long count;
> +} __packed;
> +
Am I understanding it correctly that this structure is passed between kernels?
If so it's an ABI and should use types with well defined sizes, as if it was
going out to userspace, shouldn't it?
cheers
WARNING: multiple messages have this Message-ID (diff)
From: Michael Ellerman <mpe@ellerman.id.au>
To: Mimi Zohar <zohar@linux.vnet.ibm.com>,
linux-security-module@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org, Dave Young <dyoung@redhat.com>,
kexec@lists.infradead.org, linux-kernel@vger.kernel.org,
linux-ima-devel@lists.sourceforge.net,
Thiago Jung Bauermann <bauerman@linux.vnet.ibm.com>,
Mimi Zohar <zohar@linux.vnet.ibm.com>
Subject: Re: [PATCH 1/7] ima: on soft reboot, restore the measurement list
Date: Tue, 09 Aug 2016 20:59:51 +1000 [thread overview]
Message-ID: <87wpjqtdg8.fsf@concordia.ellerman.id.au> (raw)
In-Reply-To: <1470313475-20090-2-git-send-email-zohar@linux.vnet.ibm.com>
Mimi Zohar <zohar@linux.vnet.ibm.com> writes:
> diff --git a/security/integrity/ima/ima.h b/security/integrity/ima/ima.h
> index b5728da..84e8d36 100644
> --- a/security/integrity/ima/ima.h
> +++ b/security/integrity/ima/ima.h
> @@ -102,6 +102,13 @@ struct ima_queue_entry {
> };
> extern struct list_head ima_measurements; /* list of all measurements */
>
> +/* Some details preceding the binary serialized measurement list */
> +struct ima_kexec_hdr {
> + unsigned short version;
> + unsigned long buffer_size;
> + unsigned long count;
> +} __packed;
> +
Am I understanding it correctly that this structure is passed between kernels?
If so it's an ABI and should use types with well defined sizes, as if it was
going out to userspace, shouldn't it?
cheers
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next prev parent reply other threads:[~2016-08-09 10:59 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-04 12:24 [PATCH 0/7] ima: carry the measurement list across kexec Mimi Zohar
2016-08-04 12:24 ` Mimi Zohar
2016-08-04 12:24 ` [PATCH 1/7] ima: on soft reboot, restore the measurement list Mimi Zohar
2016-08-04 12:24 ` Mimi Zohar
2016-08-05 8:44 ` Petko Manolov
2016-08-05 8:44 ` Petko Manolov
2016-08-05 13:34 ` Mimi Zohar
2016-08-05 13:34 ` Mimi Zohar
2016-08-05 15:56 ` Petko Manolov
2016-08-05 15:56 ` Petko Manolov
2016-08-09 10:59 ` Michael Ellerman [this message]
2016-08-09 10:59 ` Michael Ellerman
2016-08-09 13:01 ` Mimi Zohar
2016-08-09 13:01 ` Mimi Zohar
2016-08-09 13:19 ` Thiago Jung Bauermann
2016-08-09 13:19 ` Thiago Jung Bauermann
2016-08-09 13:35 ` David Laight
2016-08-09 13:35 ` David Laight
2016-08-09 13:35 ` David Laight
2016-08-09 14:02 ` Mimi Zohar
2016-08-09 14:02 ` Mimi Zohar
2016-08-09 14:02 ` Mimi Zohar
2016-08-09 13:55 ` Mimi Zohar
2016-08-09 13:55 ` Mimi Zohar
2016-08-09 14:06 ` Mimi Zohar
2016-08-09 14:06 ` Mimi Zohar
2016-08-09 23:13 ` Samuel Mendoza-Jonas
2016-08-09 23:13 ` Samuel Mendoza-Jonas
2016-08-10 3:41 ` Michael Ellerman
2016-08-10 3:41 ` Michael Ellerman
2016-08-10 5:05 ` Thiago Jung Bauermann
2016-08-10 5:05 ` Thiago Jung Bauermann
2016-08-10 9:52 ` Michael Ellerman
2016-08-10 9:52 ` Michael Ellerman
2016-08-10 12:54 ` Mimi Zohar
2016-08-10 12:54 ` Mimi Zohar
2016-08-10 14:32 ` [Linux-ima-devel] " Petko Manolov
2016-08-10 14:32 ` Petko Manolov
2016-08-10 14:40 ` David Laight
2016-08-10 14:40 ` David Laight
2016-08-10 14:40 ` David Laight
2016-08-10 15:48 ` Petko Manolov
2016-08-10 15:48 ` Petko Manolov
2016-08-10 15:48 ` Petko Manolov
2016-08-04 12:24 ` [PATCH 2/7] ima: permit duplicate measurement list entries Mimi Zohar
2016-08-04 12:24 ` Mimi Zohar
2016-08-04 12:24 ` [PATCH 3/7] ima: maintain memory size needed for serializing the measurement list Mimi Zohar
2016-08-04 12:24 ` Mimi Zohar
2016-08-04 12:24 ` [PATCH 4/7] ima: serialize the binary_runtime_measurements Mimi Zohar
2016-08-04 12:24 ` Mimi Zohar
2016-08-04 12:24 ` [PATCH 5/7] ima: on soft reboot, save the measurement list Mimi Zohar
2016-08-04 12:24 ` Mimi Zohar
2016-08-04 12:24 ` [PATCH 6/7] ima: store the builtin/custom template definitions in a list Mimi Zohar
2016-08-04 12:24 ` Mimi Zohar
2016-08-04 12:24 ` [PATCH 7/7] ima: support restoring multiple template formats Mimi Zohar
2016-08-04 12:24 ` Mimi Zohar
2016-08-09 5:19 ` [PATCH 0/7] ima: carry the measurement list across kexec Balbir Singh
2016-08-09 5:19 ` Balbir Singh
2016-08-09 12:36 ` Mimi Zohar
2016-08-09 12:36 ` Mimi Zohar
2016-08-11 7:38 ` Balbir Singh
2016-08-11 7:38 ` Balbir Singh
2016-08-11 11:25 ` Mimi Zohar
2016-08-11 11:25 ` Mimi Zohar
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