linux-kernel - Re: [PATCH v3] IMA: Add audit log for failure conditions

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Message-ID: <2e3bc793-0d29-5434-1da3-2bcc34ed9012@linux.microsoft.com>
Date:   Tue, 9 Jun 2020 11:03:28 -0700
From:   Lakshmi Ramasubramanian <nramas@...ux.microsoft.com>
To:     Steve Grubb <sgrubb@...hat.com>,
        Richard Guy Briggs <rgb@...hat.com>
Cc:     linux-integrity@...r.kernel.org, linux-audit@...hat.com,
        zohar@...ux.ibm.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] IMA: Add audit log for failure conditions

On 6/9/20 10:35 AM, Steve Grubb wrote:
>>
>> If it is added, it should be appended to the end of the record since it
>> is an existing record format, then in the case of res=1, errno= should
>> still be present (not swing in and out) and just contain zero.  (Or
>> another value if there is a non-fatal warning?)
> 
> This is not a searchable field, so it can go anywhere. If it is searchable,
> ausearch expects ordering of other searchable fields.
> 

Thank you for the clarification Steve.

I'll add "errno=" right after "cause=".

Also, "errno" will always be present - will be set to 0 if status is 
"success" (res=1) and a non-zero value for failure (res=0)

thanks,
  -lakshmi