linux-kernel - Re: [BUG stable, 2.6.32.27] sched: delayed cleanup of user

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

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

Message-ID: <20110110184303.GA12393@redhat.com>
Date:	Mon, 10 Jan 2011 19:43:04 +0100
From:	Oleg Nesterov <oleg@...hat.com>
To:	Greg KH <gregkh@...e.de>
Cc:	Stefan Priebe - Profihost AG <s.priebe@...fihost.ag>,
	Kay Sievers <kay.sievers@...y.org>,
	Dhaval Giani <dhaval@...ux.vnet.ibm.com>,
	linux-kernel@...r.kernel.org, Mike Galbraith <efault@....de>
Subject: Re: [BUG stable, 2.6.32.27] sched: delayed cleanup of user_struct

On 01/10, Greg KH wrote:
>
> Tell us about what?  I'm totally confused here, what is the problem?

Please look at http://marc.info/?l=linux-kernel&m=129466345327931

I think that free_user's delayed logic is buggy, and the traces
from Stefan seems to confirm the theory.

As Mike suggests, we can just remove the deprecated USER_SCHED
code and forget about this problem.

Oleg.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/