Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Date:   Fri, 24 Jan 2020 10:03:32 -0800
From:   Tycho Andersen <tycho@tycho.ws>
To:     Sargun Dhillon <sargun@sargun.me>
Cc:     linux-kernel@vger.kernel.org,
        containers@lists.linux-foundation.org, linux-api@vger.kernel.org,
        linux-fsdevel@vger.kernel.org, christian.brauner@ubuntu.com
Subject: Re: [PATCH 3/4] seccomp: Add SECCOMP_USER_NOTIF_FLAG_PIDFD to get
 pidfd on listener trap
Message-ID: <20200124180332.GA4151@cisco>
References: <20200124091743.3357-1-sargun@sargun.me>
 <20200124091743.3357-4-sargun@sargun.me>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20200124091743.3357-4-sargun@sargun.me>
User-Agent: Mutt/1.10.1 (2018-07-13)
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On Fri, Jan 24, 2020 at 01:17:42AM -0800, Sargun Dhillon wrote:
> Currently, this just opens the group leader of the thread that triggere
> the event, as pidfds (currently) are limited to group leaders.

I don't love the semantics of this; when they're not limited to thread
group leaders any more, we won't be able to change this. Is that work
far off?

Tycho