linux-kernel - Re: [PATCH] ima: Add cgroups2 to the defaults list

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Date:   Tue, 09 May 2017 15:42:07 -0400
From:   Mimi Zohar <zohar@...ux.vnet.ibm.com>
To:     Laura Abbott <labbott@...hat.com>,
        Dmitry Kasatkin <dmitry.kasatkin@...il.com>,
        James Morris <james.l.morris@...cle.com>,
        "Serge E. Hallyn" <serge@...lyn.com>
Cc:     linux-ima-devel@...ts.sourceforge.net,
        linux-security-module@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ima: Add cgroups2 to the defaults list

On Tue, 2017-05-09 at 11:25 -0700, Laura Abbott wrote:
> cgroups2 is beginning to show up in wider usage. Add it to the default
> nomeasure/noappraise list like other filesystems.
> 
> Signed-off-by: Laura Abbott <labbott@...hat.com>

Thanks, queued for next.

Mimi

> ---
>  security/integrity/ima/ima_policy.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/security/integrity/ima/ima_policy.c b/security/integrity/ima/ima_policy.c
> index 3ab1067db624..d60889352dda 100644
> --- a/security/integrity/ima/ima_policy.c
> +++ b/security/integrity/ima/ima_policy.c
> @@ -96,6 +96,8 @@ static struct ima_rule_entry dont_measure_rules[] __ro_after_init = {
>  	{.action = DONT_MEASURE, .fsmagic = SELINUX_MAGIC, .flags = IMA_FSMAGIC},
>  	{.action = DONT_MEASURE, .fsmagic = CGROUP_SUPER_MAGIC,
>  	 .flags = IMA_FSMAGIC},
> +	{.action = DONT_MEASURE, .fsmagic = CGROUP2_SUPER_MAGIC,
> +	 .flags = IMA_FSMAGIC},
>  	{.action = DONT_MEASURE, .fsmagic = NSFS_MAGIC, .flags = IMA_FSMAGIC}
>  };
> 
> @@ -139,6 +141,7 @@ static struct ima_rule_entry default_appraise_rules[] __ro_after_init = {
>  	{.action = DONT_APPRAISE, .fsmagic = SELINUX_MAGIC, .flags = IMA_FSMAGIC},
>  	{.action = DONT_APPRAISE, .fsmagic = NSFS_MAGIC, .flags = IMA_FSMAGIC},
>  	{.action = DONT_APPRAISE, .fsmagic = CGROUP_SUPER_MAGIC, .flags = IMA_FSMAGIC},
> +	{.action = DONT_APPRAISE, .fsmagic = CGROUP2_SUPER_MAGIC, .flags = IMA_FSMAGIC},
>  #ifdef CONFIG_IMA_WRITE_POLICY
>  	{.action = APPRAISE, .func = POLICY_CHECK,
>  	.flags = IMA_FUNC | IMA_DIGSIG_REQUIRED},