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Groups > linux.kernel > #1598063

Re: [PATCH] security: selinux: allow per-file labeling for cgroupfs

From Paul Moore <paul@paul-moore.com>
Newsgroups linux.kernel
Subject Re: [PATCH] security: selinux: allow per-file labeling for cgroupfs
Date 2017-03-10 21:10 +0100
Message-ID <tjz1o-t8-11@gated-at.bofh.it> (permalink)
References <t8Zsd-8j1-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Thu, Feb 9, 2017 at 10:58 AM, Antonio Murdaca <amurdaca@redhat.com> wrote:
> This patch allows genfscon per-file labeling for cgroupfs. For instance,
> this allows to label the "release_agent" file within each
> cgroup mount and limit writes to it.
>
> Signed-off-by: Antonio Murdaca <runcom@redhat.com>
> ---
>  security/selinux/hooks.c | 2 ++
>  1 file changed, 2 insertions(+)

Now that the merge window is behind us, let's get this merged, but
could you update it to use the selinux_policycap_cgroupseclabel policy
capability?  See 2651225b5ebcdde ("selinux: wrap cgroup seclabel
support with its own policy capability") for more information.

Also, how goes the testing?

> diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
> index 9a8f12f..5a3138e 100644
> --- a/security/selinux/hooks.c
> +++ b/security/selinux/hooks.c
> @@ -808,6 +808,8 @@ static int selinux_set_mnt_opts(struct super_block *sb,
>
>         if (!strcmp(sb->s_type->name, "debugfs") ||
>             !strcmp(sb->s_type->name, "sysfs") ||
> +           !strcmp(sb->s_type->name, "cgroup") ||
> +           !strcmp(sb->s_type->name, "cgroup2") ||
>             !strcmp(sb->s_type->name, "pstore"))
>                 sbsec->flags |= SE_SBGENFS;
>
> --
> 2.9.3
>
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-- 
paul moore
www.paul-moore.com

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Re: [PATCH] security: selinux: allow per-file labeling for cgroupfs Paul Moore <paul@paul-moore.com> - 2017-03-10 21:10 +0100
  Re: [PATCH] security: selinux: allow per-file labeling for cgroupfs Stephen Smalley <sds@tycho.nsa.gov> - 2017-03-10 21:20 +0100
    Re: [PATCH] security: selinux: allow per-file labeling for cgroupfs Paul Moore <paul@paul-moore.com> - 2017-03-10 21:30 +0100

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