linux-kernel - Re: [PATCH v8 1/4] KEYS: trusted: Add generic trusted keys framework

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Message-ID: <CAFA6WYPrNPMZFA+u0fMo8T1DBFxu6XAVC4KySP53BarjDhfBQA@mail.gmail.com>
Date:   Mon, 15 Feb 2021 18:45:37 +0530
From:   Sumit Garg <sumit.garg@...aro.org>
To:     Jarkko Sakkinen <jarkko@...nel.org>
Cc:     Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>,
        Mimi Zohar <zohar@...ux.ibm.com>,
        James Bottomley <jejb@...ux.ibm.com>,
        David Howells <dhowells@...hat.com>,
        Jens Wiklander <jens.wiklander@...aro.org>,
        Jonathan Corbet <corbet@....net>,
        James Morris <jmorris@...ei.org>,
        "Serge E. Hallyn" <serge@...lyn.com>,
        Casey Schaufler <casey@...aufler-ca.com>,
        Janne Karhunen <janne.karhunen@...il.com>,
        Daniel Thompson <daniel.thompson@...aro.org>,
        Markus Wamser <Markus.Wamser@...ed-mode.de>,
        Luke Hinds <lhinds@...hat.com>,
        "open list:ASYMMETRIC KEYS" <keyrings@...r.kernel.org>,
        linux-integrity@...r.kernel.org,
        "open list:SECURITY SUBSYSTEM" 
        <linux-security-module@...r.kernel.org>,
        Linux Doc Mailing List <linux-doc@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        op-tee@...ts.trustedfirmware.org
Subject: Re: [PATCH v8 1/4] KEYS: trusted: Add generic trusted keys framework

On Wed, 10 Feb 2021 at 22:30, Jarkko Sakkinen <jarkko@...nel.org> wrote:
>
> On Tue, Nov 03, 2020 at 09:31:43PM +0530, Sumit Garg wrote:
> > +     case Opt_new:
> > +             key_len = payload->key_len;
> > +             ret = static_call(trusted_key_get_random)(payload->key,
> > +                                                       key_len);
> > +             if (ret != key_len) {
> > +                     pr_info("trusted_key: key_create failed (%d)\n", ret);
> > +                     goto out;
> > +             }
>
> This repeats a regression in existing code, i.e. does not check
> "ret < 0" condition. I noticed this now when I rebased the code
> on top of my fixes.
>
> I.e. it's fixed in my master branch, which caused a merge conflict,
> and I found this.
>

Okay, I will rebase the next version to your master branch.

-Sumit

> /Jarkko