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From:   Paul Moore <paul@paul-moore.com>
Date:   Fri, 12 Mar 2021 14:17:30 -0500
Message-ID: <CAHC9VhSB-ECG-3MJNmMFu41ZqhRb4EL-d+6t0pYd5P0e823MNw@mail.gmail.com>
Subject: Re: [PATCH 2/2] audit: document /proc/PID/sessionid
To:     Richard Guy Briggs <rgb@redhat.com>
Cc:     Linux-Audit Mailing List <linux-audit@redhat.com>,
        LKML <linux-kernel@vger.kernel.org>,
        Eric Paris <eparis@parisplace.org>
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On Thu, Mar 11, 2021 at 11:41 AM Richard Guy Briggs <rgb@redhat.com> wrote:
>
> Describe the /proc/PID/loginuid interface in Documentation/ABI/stable that
> was added 2008-03-13 in commit 1e0bd7550ea9 ("[PATCH] export sessionid
> alongside the loginuid in procfs")
>
> Signed-off-by: Richard Guy Briggs <rgb@redhat.com>
> ---
>  Documentation/ABI/stable/procfs-audit_loginuid | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
>
> diff --git a/Documentation/ABI/stable/procfs-audit_loginuid b/Documentation/ABI/stable/procfs-audit_loginuid
> index fae63bef2970..175ee6ec3695 100644
> --- a/Documentation/ABI/stable/procfs-audit_loginuid
> +++ b/Documentation/ABI/stable/procfs-audit_loginuid
> @@ -13,3 +13,15 @@ Description:
>                 AUDIT_FEATURE_LOGINUID_IMMUTABLE is enabled.  It cannot be
>                 unset if AUDIT_FEATURE_ONLY_UNSET_LOGINUID is enabled.
>
> +
> +What:          Audit Login Session ID
> +Date:          2008-03-13
> +KernelVersion: 2.6.25-rc7 1e0bd7550ea9 ("[PATCH] export sessionid alongside the loginuid in procfs")
> +Contact:       linux-audit@redhat.com
> +Format:                u32
> +Users:         auditd, libaudit, audit-testsuite, login

This should be obvious, but just to be safe - my comment from patch
1/2 also applies here.

> +Description:
> +               The /proc/$pid/sessionid pseudofile is read to get the
> +               audit login session ID of process $pid.  It is set
> +               automatically, serially assigned with each new login.

-- 
paul moore
www.paul-moore.com