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Date: Sun, 2 Apr 2017 17:38:28 +0200
From: Oleg Nesterov <oleg@redhat.com>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
        Aleksa Sarai <asarai@suse.com>, Andy Lutomirski <luto@amacapital.net>,
        Attila Fazekas <afazekas@redhat.com>, Jann Horn <jann@thejh.net>,
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        Ulrich Obergfell <uobergfe@redhat.com>, linux-kernel@vger.kernel.org,
        linux-api@vger.kernel.org
Subject: Re: [RFC][PATCH 0/2] exec: Fixing ptrace'd mulit-threaded hang
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On 04/01, Eric W. Biederman wrote:
>
> These patches only handle the case when sighand_struct is not
> shared between different multi-threaded processes.

Ah, I didn't read 0/2 when looked at 2/2, so at least you documented this.

> The general
> case is solvable but that is a quite a bit more code.

I don't think so, please see my reply to 2/2.

Oleg.

From mboxrd@z Thu Jan  1 00:00:00 1970
From: Oleg Nesterov <oleg-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Subject: Re: [RFC][PATCH 0/2] exec: Fixing ptrace'd mulit-threaded hang
Date: Sun, 2 Apr 2017 17:38:28 +0200
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List-Id: linux-api@vger.kernel.org

On 04/01, Eric W. Biederman wrote:
>
> These patches only handle the case when sighand_struct is not
> shared between different multi-threaded processes.

Ah, I didn't read 0/2 when looked at 2/2, so at least you documented this.

> The general
> case is solvable but that is a quite a bit more code.

I don't think so, please see my reply to 2/2.

Oleg.