From: Tejun Heo <tj@kernel.org>
To: Ondrej Mosnacek <omosnace@redhat.com>
Cc: selinux@vger.kernel.org, Paul Moore <paul@paul-moore.com>,
Stephen Smalley <sds@tycho.nsa.gov>,
linux-security-module@vger.kernel.org,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-fsdevel@vger.kernel.org, cgroups@vger.kernel.org
Subject: Re: [PATCH v2 3/3] kernfs: Initialize security of newly created nodes
Date: Fri, 11 Jan 2019 12:52:35 -0800 [thread overview]
Message-ID: <20190111205235.GW2509588@devbig004.ftw2.facebook.com> (raw)
In-Reply-To: <20190109162830.8309-4-omosnace@redhat.com>
On Wed, Jan 09, 2019 at 05:28:30PM +0100, Ondrej Mosnacek wrote:
> Use the new security_object_init_security() hook to allow LSMs to
> possibly assign a non-default security context to newly created nodes
> based on the context of their parent node.
>
> This fixes an issue with cgroupfs under SELinux, where newly created
> cgroup subdirectories would not inherit its parent's context if it had
> been set explicitly to a non-default value (other than the genfs context
> specified by the policy). This can be reproduced as follows:
I'm not yet sure about using selinux on cgroupfs. Let's please
discuss that first.
Thanks.
--
tejun
next prev parent reply other threads:[~2019-01-11 20:52 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-09 16:28 [PATCH v2 0/3] Allow initializing the kernfs node's secctx based on its parent Ondrej Mosnacek
2019-01-09 16:28 ` [PATCH v2 1/3] LSM: Add new hook for generic node initialization Ondrej Mosnacek
2019-01-09 17:08 ` Casey Schaufler
2019-01-11 1:57 ` Paul Moore
2019-01-11 18:30 ` Casey Schaufler
2019-01-14 9:01 ` Ondrej Mosnacek
2019-01-09 16:28 ` [PATCH v2 2/3] selinux: Implement the object_init_security hook Ondrej Mosnacek
2019-01-09 16:28 ` [PATCH v2 3/3] kernfs: Initialize security of newly created nodes Ondrej Mosnacek
2019-01-11 20:52 ` Tejun Heo [this message]
2019-01-09 17:19 ` [PATCH v2 0/3] Allow initializing the kernfs node's secctx based on its parent Casey Schaufler
2019-01-09 20:37 ` Stephen Smalley
2019-01-09 22:03 ` Casey Schaufler
2019-01-10 14:15 ` Stephen Smalley
2019-01-10 17:54 ` Casey Schaufler
2019-01-10 19:37 ` Stephen Smalley
2019-01-11 2:20 ` Paul Moore
2019-01-14 9:01 ` Ondrej Mosnacek
2019-01-11 18:22 ` Casey Schaufler
2019-01-14 9:01 ` Ondrej Mosnacek
2019-01-22 8:49 ` Ondrej Mosnacek
2019-01-22 14:17 ` Stephen Smalley
2019-01-22 15:26 ` Stephen Smalley
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20190111205235.GW2509588@devbig004.ftw2.facebook.com \
--to=tj@kernel.org \
--cc=cgroups@vger.kernel.org \
--cc=gregkh@linuxfoundation.org \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-security-module@vger.kernel.org \
--cc=omosnace@redhat.com \
--cc=paul@paul-moore.com \
--cc=sds@tycho.nsa.gov \
--cc=selinux@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).