linux-kernel - Re: [ 020/184] ptrace: ensure arch_ptrace/ptrace

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Message-ID: <20130605110100.GA27897@1wt.eu>
Date:	Wed, 5 Jun 2013 13:01:00 +0200
From:	Willy Tarreau <w@....eu>
To:	Luis Henriques <luis.henriques@...onical.com>
Cc:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	Oleg Nesterov <oleg@...hat.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Colin King <colin.king@...onical.com>,
	Tim Gardner <tim.gardner@...onical.com>,
	John Johansen <john.johansen@...onical.com>
Subject: Re: [ 020/184] ptrace: ensure arch_ptrace/ptrace_request can never

On Wed, Jun 05, 2013 at 10:36:06AM +0100, Luis Henriques wrote:
> Willy Tarreau <w@....eu> writes:
> 
> > 2.6.32-longterm review patch.  If anyone has any objections, please let me know.
> >
> > ------------------
> >  race with SIGKILL
> >
> > From: Oleg Nesterov <oleg@...hat.com>
> >
> > ptrace: ensure arch_ptrace/ptrace_request can never race with SIGKILL
> >
> 
> This patch actually introduce a regression in the Ubuntu kernel.  You
> may want to include the fix below.
> 
> http://kernel.ubuntu.com/git?p=ubuntu/ubuntu-lucid.git;a=commit;h=d06bbd59e5c7a0e0525af764a897028d6d352c36

Thanks for letting me know, Luis. Queuing it now.

Willy

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