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Date: Sun, 18 Mar 2012 11:25:51 -0700
From: Linus Torvalds <torvalds@...ux-foundation.org>
To: Oleg Nesterov <oleg@...hat.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>, Djalal Harouni <tixxdz@...ndz.org>,
Alan Cox <alan@...rguk.ukuu.org.uk>, linux-kernel@...r.kernel.org,
kernel-hardening@...ts.openwall.com, Al Viro <viro@...iv.linux.org.uk>,
Alexey Dobriyan <adobriyan@...il.com>, "Eric W. Biederman" <ebiederm@...ssion.com>,
Vasiliy Kulikov <segoon@...nwall.com>, Kees Cook <keescook@...omium.org>,
Solar Designer <solar@...nwall.com>, WANG Cong <xiyou.wangcong@...il.com>,
James Morris <james.l.morris@...cle.com>, linux-security-module@...r.kernel.org,
linux-fsdevel@...r.kernel.org, Greg KH <gregkh@...uxfoundation.org>,
Ingo Molnar <mingo@...e.hu>, Stephen Wilson <wilsons@...rt.ca>, "Jason A. Donenfeld" <Jason@...c4.com>,
Roland McGrath <roland@...k.frob.com>
Subject: Re: [PATCH 1/1] CLONE_PARENT shouldn't allow to set ->exit_signal
On Wed, Mar 14, 2012 at 11:55 AM, Oleg Nesterov <oleg@...hat.com> wrote:
> + if (clone_flags & CLONE_THREAD)
> + p->exit_signal = -1;
> + else if (clone_flags & CLONE_PARENT)
> + p->exit_signal = current->group_leader->exit_signal;
> + else
> + p->exit_signal = (clone_flags & CSIGNAL);
So why is it "current->group_leader->exit_signal" rather than the much
more logical (imho) and simpler "current->exit_signal"?
Linus
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