linux-kernel - Re: [PATCH 1/8] ima: Call audit_log_string() rather than logging it untrusted

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Message-ID: <CAHC9VhTpfjKd2bTx9Q9TVo9hqPFRB-VNHYhzZb+DjXJUE1txcg@mail.gmail.com>
Date:   Tue, 29 May 2018 16:29:56 -0400
From:   Paul Moore <paul@...l-moore.com>
To:     Stefan Berger <stefanb@...ux.vnet.ibm.com>
Cc:     zohar@...ux.vnet.ibm.com, sgrubb@...hat.com,
        linux-integrity@...r.kernel.org, linux-audit@...hat.com,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/8] ima: Call audit_log_string() rather than logging it untrusted

On Thu, May 24, 2018 at 4:10 PM, Stefan Berger
<stefanb@...ux.vnet.ibm.com> wrote:
> The parameters passed to this logging function are all provided by
> a privileged user and therefore we can call audit_log_string()
> rather than audit_log_untrustedstring().
>
> Signed-off-by: Stefan Berger <stefanb@...ux.vnet.ibm.com>
> Suggested-by: Steve Grubb <sgrubb@...hat.com>
> ---
>  security/integrity/ima/ima_policy.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Acked-by: Paul Moore <paul@...l-moore.com>

> diff --git a/security/integrity/ima/ima_policy.c b/security/integrity/ima/ima_policy.c
> index d89bebf85421..a823f11a3e6b 100644
> --- a/security/integrity/ima/ima_policy.c
> +++ b/security/integrity/ima/ima_policy.c
> @@ -615,7 +615,7 @@ static void ima_log_string_op(struct audit_buffer *ab, char *key, char *value,
>                 audit_log_format(ab, "%s<", key);
>         else
>                 audit_log_format(ab, "%s=", key);
> -       audit_log_untrustedstring(ab, value);
> +       audit_log_string(ab, value);
>         audit_log_format(ab, " ");
>  }
>  static void ima_log_string(struct audit_buffer *ab, char *key, char *value)
> --
> 2.13.6
>
> --
> Linux-audit mailing list
> Linux-audit@...hat.com
> https://www.redhat.com/mailman/listinfo/linux-audit

-- 
paul moore
www.paul-moore.com

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