linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Mimi Zohar <zohar@linux.ibm.com>
To: Roberto Sassu <roberto.sassu@huawei.com>
Cc: linux-integrity@vger.kernel.org,
	linux-security-module@vger.kernel.org,
	linux-kernel@vger.kernel.org, guozihua@huawei.com,
	stable@vger.kernel.org
Subject: Re: [PATCH] ima: Allow template selection with ima_template[_fmt]= after ima_hash=
Date: Mon, 31 Jan 2022 14:20:14 -0500	[thread overview]
Message-ID: <09c63b7bfb7e58702f7dcfc71a2e79b866ad9e7d.camel@linux.ibm.com> (raw)
In-Reply-To: <20220131171139.3024883-1-roberto.sassu@huawei.com>

On Mon, 2022-01-31 at 18:11 +0100, Roberto Sassu wrote:
> Commit c2426d2ad5027 ("ima: added support for new kernel cmdline parameter
> ima_template_fmt") introduced an additional check on the ima_template
> variable to avoid multiple template selection.
> 
> Unfortunately, ima_template could be also set by the setup function of the
> ima_hash= parameter, when it calls ima_template_desc_current(). This causes
> attempts to choose a new template with ima_template= or with
> ima_template_fmt=, after ima_hash=, to be ignored.
> 
> Achieve the goal of the commit mentioned with the new static variable
> template_setup_done, so that template selection requests after ima_hash=
> are not ignored.
> 
> Finally, call ima_init_template_list(), if not already done, to initialize
> the list of templates before lookup_template_desc() is called.
> 
> Cc: stable@vger.kernel.org
> Fixes: c2426d2ad5027 ("ima: added support for new kernel cmdline parameter ima_template_fmt")
> Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com>

Thanks, Roberto.

Reviewed-by: Mimi Zohar <zohar@linux.ibm.com>

Mimi


      reply	other threads:[~2022-01-31 19:20 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-31 17:11 [PATCH] ima: Allow template selection with ima_template[_fmt]= after ima_hash= Roberto Sassu
2022-01-31 19:20 ` Mimi Zohar [this message]

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=09c63b7bfb7e58702f7dcfc71a2e79b866ad9e7d.camel@linux.ibm.com \
    --to=zohar@linux.ibm.com \
    --cc=guozihua@huawei.com \
    --cc=linux-integrity@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-security-module@vger.kernel.org \
    --cc=roberto.sassu@huawei.com \
    --cc=stable@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).