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Message-ID: <0a2e84d1bed84733b81f3edd91403006@huawei.com>
Date: Fri, 28 Jan 2022 16:01:26 +0000
From: Roberto Sassu <roberto.sassu@...wei.com>
To: Mimi Zohar <zohar@...ux.ibm.com>,
"Guozihua (Scott)" <guozihua@...wei.com>,
Jonathan Corbet <corbet@....net>
CC: "linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
wangweiyang <wangweiyang2@...wei.com>,
Xiujianfeng <xiujianfeng@...wei.com>,
"linux-integrity@...r.kernel.org" <linux-integrity@...r.kernel.org>
Subject: RE: [RESEND][PATCH] Documentation: added order requirement for
ima_hash=
> From: Mimi Zohar [mailto:zohar@...ux.ibm.com]
> Sent: Friday, January 28, 2022 3:34 PM
> On Fri, 2022-01-28 at 10:24 +0000, Roberto Sassu wrote:
> > > From: Mimi Zohar [mailto:zohar@...ux.ibm.com]
> > > Sent: Wednesday, January 26, 2022 1:48 PM
> > > On Wed, 2022-01-26 at 15:41 +0800, Guozihua (Scott) wrote:
> > > >
> > > >
> > > > The main issue lies in ima_template_desc_current called by hash_setup,
> > > > which does not just read ima_template global variable, but also tries to
> > > > set it if that hasn't been done already. Causing ima_template_setup to quit.
> > >
> > > Right, which calls ima_init_template_list(). So part of the solution
> > > could be to conditionally call ima_init_template_list()
> > > in ima_template_setup().
> > >
> > > - if (ima_template)
> > > - return 1;
> > > -
> > > - ima_init_template_list();
> > > + if (!ima_template
> > > + ima_init_template_list();
> >
> >
> > is it still necessary to call ima_init_template_list() in
> > template_setup()? I saw it is called in init_ima().
>
> All of these options are at __setup().
Yes. ima_init_template_list() should be called before
lookup_template_desc().
Thanks
Roberto
HUAWEI TECHNOLOGIES Duesseldorf GmbH, HRB 56063
Managing Director: Li Peng, Zhong Ronghua
> thanks,
>
> Mimi
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