Re: [PATCH V4] audit: add tty field to LOGIN event

[Paul Moore]

On Wed, Apr 27, 2016 at 9:31 PM, Richard Guy Briggs <rgb@xxxxxxxxxx> wrote:
> On 16/04/22, Peter Hurley wrote:
>> 2. The existing usage is always tsk==current
>
> My understanding is that when it is called via:
>
>         copy_process()
>                 audit_free()
>                         __audit_free()
>                                 audit_log_exit()
>                                         audit_log_task_info()
>
> then tsk != current.  This appears to be the only case which appears to
> force lugging around tsk.  This is noted in that commit referenced
> above.

In the case where copy_process() ends up calling __audit_free(), the
call to audit_log_exit() is conditional on the audit context
in_syscall field being true and unless I missed something, the copied
process' audit context should not have in_syscall set to true.

-- 
paul moore
www.paul-moore.com