linux-kernel - Re: [RFC 0/2] cpu: fix leak and udev race in register

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: <20130514144540.GB14462@kroah.com>
Date:	Tue, 14 May 2013 10:45:40 -0400
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Igor Mammedov <imammedo@...hat.com>
Cc:	linux-kernel@...r.kernel.org, konrad.wilk@...cle.com,
	chuck.anderson@...cle.com
Subject: Re: [RFC 0/2] cpu: fix leak and udev race in register_cpu()

On Tue, May 14, 2013 at 12:05:30AM +0200, Igor Mammedov wrote:
> Here is a crude attempt fix race the way suggested by Greg,
> probably done wrong but hopefully in the right direction.
> 
> 1. move "crash_notes" to static attributes to guarantee that it's
> destroyed with CPU on unregister.
> 
> 2. fixes race between hotplugged CPU and onlining it via udev, described here
> https://lkml.org/lkml/2012/4/30/193

Looks right to me, nice job.

greg k-h
--
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/