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Message-ID: <1565263042.4220.25.camel@kernel.org>
Subject: Re: [PATCH] ima: Fix a use after free in ima_read_modsig()
From:   Mimi Zohar <zohar@kernel.org>
To:     Dan Carpenter <dan.carpenter@oracle.com>,
        Thiago Jung Bauermann <bauerman@linux.ibm.com>
Cc:     Dmitry Kasatkin <dmitry.kasatkin@gmail.com>,
        James Morris <jmorris@namei.org>,
        "Serge E. Hallyn" <serge@hallyn.com>,
        linux-integrity@vger.kernel.org,
        linux-security-module@vger.kernel.org,
        kernel-janitors@vger.kernel.org
Date:   Thu, 08 Aug 2019 07:17:22 -0400
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On Thu, 2019-08-08 at 13:33 +0300, Dan Carpenter wrote:
> This code frees "hdr" and then dereferences it on the next line to get
> the error code.
> 
> Fixes: 39b07096364a ("ima: Implement support for module-style appended signatures")
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

Thanks, Dan.  Julia already reported this.  Thiago posted a patch last
night.  Just getting to it now.  Can I add your Reviewed-by or Tested-
by?

Mimi