[PATCH v3 2/2] IMA: Add audit log for failure conditions

[Lakshmi Ramasubramanian]

On 6/23/20 12:58 PM, Mimi Zohar wrote:

Hi Steve\Paul,

>> Sample audit messages:
>>
>> [    6.303048] audit: type=1804 audit(1592506281.627:2): pid=1 uid=0
>> auid=4294967295 ses=4294967295 subj=kernel op=measuring_key
>> cause=ENOMEM comm="swapper/0" name=".builtin_trusted_keys" res=0
>> errno=-12
> 
> My only concern is that auditing -ENOMEM will put additional memory
> pressure on the system.  I'm not sure if this is a concern and, if so,
> how it should be handled.

Do you have any concerns with respect to adding audit messages in low 
memory conditions?

> 
> Reviewed-by: Mimi Zohar <zohar at linux.ibm.com>

Thanks Mimi

  -lakshmi