oss-security - Re: [PATCH] exec argument expansion can inappropriately trigger OOM-killer

Follow @Openwall on Twitter for new release announcements and other news

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20100831115304.GA27486@openwall.com>
Date: Tue, 31 Aug 2010 15:53:04 +0400
From: Solar Designer <solar@...nwall.com>
To: Brad Spengler <spender@...ecurity.net>
Cc: Roland McGrath <roland@...hat.com>, Kees Cook <kees.cook@...onical.com>,
	linux-kernel@...r.kernel.org, oss-security@...ts.openwall.com,
	Al Viro <viro@...iv.linux.org.uk>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Oleg Nesterov <oleg@...hat.com>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Neil Horman <nhorman@...driver.com>, linux-fsdevel@...r.kernel.org,
	pageexec@...email.hu
Subject: Re: [PATCH] exec argument expansion can inappropriately trigger OOM-killer

Brad, Roland -

Thank you for your comments and your work on this.

On Mon, Aug 30, 2010 at 06:08:47PM -0400, Brad Spengler wrote:
> There shouldn't be any additional risk from adding the extra rescheds, 
> as copy_*_user can already sleep and be raced against via a number of 
> methods.

Agreed.

Alexander

Please check out the Open Source Software Security Wiki, which is counterpart to this mailing list.

Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.