From: Mimi Zohar <zohar@linux.ibm.com>
To: Paul Moore <paul@paul-moore.com>, Kees Cook <keescook@chromium.org>
Cc: "Mickaël Salaün" <mic@digikod.net>,
"KP Singh" <kpsingh@kernel.org>,
"Casey Schaufler" <casey@schaufler-ca.com>,
"John Johansen" <john.johansen@canonical.com>,
"James Morris" <jmorris@namei.org>,
linux-kernel@vger.kernel.org,
linux-security-module@vger.kernel.org,
linux-integrity@vger.kernel.org, linux-hardening@vger.kernel.org
Subject: Re: [PATCH 0/9] integrity: Move hooks into LSM
Date: Thu, 13 Oct 2022 21:16:31 -0400 [thread overview]
Message-ID: <d5081ccecf3ffd5562d9a66a5663b236870605ce.camel@linux.ibm.com> (raw)
In-Reply-To: <CAHC9VhR1kGT0+zM3smAQMEzGQLmVNhHu40f=YK3qavuYvcQYQQ@mail.gmail.com>
On Thu, 2022-10-13 at 18:47 -0400, Paul Moore wrote:
> On Thu, Oct 13, 2022 at 6:36 PM Kees Cook <keescook@chromium.org> wrote:
> >
> > Hi,
> >
> > It's been over 4 years since LSM stack was introduced. The integrity
> > subsystem is long overdue for moving to this infrastructure. Here's my
> > first pass at converting integrity and ima (and some of evm) into LSM
> > hooks. This should be enough of an example to finish evm, and introduce
> > the missing hooks for both. For example, after this, it looks like ima
> > only has a couple places it's still doing things outside of the LSM. At
> > least these stood out:
> >
> > fs/namei.c: ima_post_create_tmpfile(mnt_userns, inode);
> > fs/namei.c: ima_post_path_mknod(mnt_userns, dentry);
> >
> > Mimi, can you please take this series and finish the conversion for
> > what's missing in ima and evm?
> >
> > I would also call attention to "175 insertions(+), 240 deletions(-)" --
> > as expected, this is a net reduction in code.
> >
> > Thanks!
>
> Without looking at any of the code, I just want to say this 100% gets
> my vote; this is something we need to make happen at some point.
>
> Thanks Kees!
Sorry I'm on vacation this week and the beginning of next week, but
will look at it when I get back.
Mimi
next prev parent reply other threads:[~2022-10-14 1:16 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-13 22:36 [PATCH 0/9] integrity: Move hooks into LSM Kees Cook
2022-10-13 22:36 ` [PATCH 1/9] integrity: Prepare for having "ima" and "evm" available in "integrity" LSM Kees Cook
2022-10-14 14:40 ` Mickaël Salaün
2022-10-14 17:59 ` Kees Cook
2022-10-17 9:26 ` Mickaël Salaün
2022-10-17 18:11 ` Kees Cook
2022-10-19 18:33 ` Kees Cook
2022-10-19 19:13 ` Mimi Zohar
2022-10-19 22:37 ` Kees Cook
2022-10-19 14:34 ` Mimi Zohar
2022-10-19 18:28 ` Kees Cook
2022-10-13 22:36 ` [PATCH 2/9] security: Move trivial IMA hooks into LSM Kees Cook
2022-10-19 14:34 ` Mimi Zohar
2022-10-19 18:59 ` Kees Cook
2022-10-19 20:45 ` Mimi Zohar
2022-10-19 23:41 ` Kees Cook
2022-10-20 12:17 ` Mimi Zohar
2022-10-21 14:53 ` Dr. Greg
2022-10-21 15:09 ` Casey Schaufler
2022-10-13 22:36 ` [PATCH 3/9] ima: Move xattr " Kees Cook
2022-10-18 15:07 ` Christian Brauner
2022-10-19 13:24 ` Mimi Zohar
2022-10-13 22:36 ` [PATCH 4/9] ima: Move ima_file_free() " Kees Cook
2022-10-18 15:02 ` Christian Brauner
2022-10-18 15:32 ` Roberto Sassu
2022-10-18 18:29 ` Kees Cook
2022-10-19 6:55 ` Roberto Sassu
2022-10-20 15:47 ` Paul Moore
2022-10-13 22:36 ` [PATCH 5/9] LSM: Introduce inode_post_setattr hook Kees Cook
2022-10-18 14:50 ` Christian Brauner
2022-10-13 22:36 ` [PATCH 6/9] fs: Introduce file_to_perms() helper Kees Cook
2022-10-18 14:10 ` Christian Brauner
2022-10-18 18:25 ` Kees Cook
2022-10-20 17:29 ` Casey Schaufler
2022-10-20 23:04 ` Kees Cook
2022-10-13 22:36 ` [PATCH 7/9] ima: Move ima_file_check() into LSM Kees Cook
2022-10-13 22:36 ` [PATCH 8/9] integrity: Move trivial hooks " Kees Cook
2022-10-13 22:36 ` [PATCH 9/9] integrity: Move integrity_inode_get() out of global header Kees Cook
2022-10-13 22:47 ` [PATCH 0/9] integrity: Move hooks into LSM Paul Moore
2022-10-14 1:16 ` Mimi Zohar [this message]
2022-10-18 15:31 ` Mickaël Salaün
2022-10-18 15:38 ` Roberto Sassu
2022-10-18 18:31 ` Kees Cook
2022-10-20 17:36 ` Casey Schaufler
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