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From: Peter Hurley <peter@hurleysoftware.com>
To: Patrick Donnelly <batrick@batbytes.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Jiri Slaby <jslaby@suse.cz>,
	open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v3] tty: add missing rcu_read_lock for task_pgrp
Date: Wed, 08 Jul 2015 22:07:12 -0400	[thread overview]
Message-ID: <559DD750.1030700@hurleysoftware.com> (raw)
In-Reply-To: <1435622379-3170-1-git-send-email-batrick@batbytes.com>

On 06/29/2015 07:59 PM, Patrick Donnelly wrote:
> task_pgrp requires an rcu or tasklist lock to be obtained if the returned pid
> is to be dereferenced, which kill_pgrp does. Obtain an RCU lock for the
> duration of use.

Reviewed-by: Peter Hurley <peter@hurleysoftware.com>


  reply	other threads:[~2015-07-09  2:07 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-27 21:17 [PATCH 1/2] Add missing rcu_read_lock for task_pgrp Patrick Donnelly
2015-06-27 21:17 ` [PATCH 2/2] Check tcsetpgrp p is a process group Patrick Donnelly
2015-06-27 23:26   ` Greg Kroah-Hartman
2015-06-28  0:53     ` Patrick Donnelly
2015-06-27 23:27   ` Greg Kroah-Hartman
2015-06-27 23:25 ` [PATCH 1/2] Add missing rcu_read_lock for task_pgrp Greg Kroah-Hartman
2015-06-28  0:51 ` [PATCH v2 1/2] tty: add " Patrick Donnelly
2015-06-28  0:51   ` [PATCH v2 2/2] tty: check tcsetpgrp p is a process group Patrick Donnelly
2015-06-28 16:07     ` Peter Hurley
2015-06-29  1:27       ` Patrick Donnelly
2015-06-28 15:23   ` [PATCH v2 1/2] tty: add missing rcu_read_lock for task_pgrp Peter Hurley
2015-06-28 17:20     ` Patrick Donnelly
2015-06-28 19:21       ` Peter Hurley
2015-06-28 19:27   ` Peter Hurley
2015-06-29 23:38     ` Patrick Donnelly
2015-06-29 23:59 ` [PATCH v3] " Patrick Donnelly
2015-07-09  2:07   ` Peter Hurley [this message]
2015-07-12  2:05   ` Peter Hurley
2015-07-12 22:42     ` Patrick Donnelly
2015-07-12 22:51 ` [PATCH v4] " Patrick Donnelly
2015-07-13  0:35   ` Peter Hurley
2015-07-20  9:26   ` Jiri Slaby
2015-07-20 19:40     ` Oleg Nesterov

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