linux-kernel - Re: Memory corruption during hibernation since 2.6.31

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

Message-Id: <201007282334.08063.rjw@sisk.pl>
Date:	Wed, 28 Jul 2010 23:34:07 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Ondrej Zary <linux@...nbow-software.org>
Cc:	Kernel development list <linux-kernel@...r.kernel.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Balbir Singh <balbir@...ibm.com>
Subject: Re: Memory corruption during hibernation since 2.6.31

On Wednesday, July 28, 2010, Ondrej Zary wrote:
> Hello,
> after very long bisection, I finally found what's causing memory corruption 
> during hibernation on my machine sice 2.6.31:
> https://bugzilla.kernel.org/show_bug.cgi?id=15753
> 
> It's commit c9e444103b5e7a5a3519f9913f59767f92e33baf (mm: reuse unused swap 
> entry if necessary).
> 
> I don't know anything about swapping in Linux so I don't have a clue what's
> wrong with that commit.

Thanks for bisecting!

This looks rather serious.  I'd be grateful from any clues from the mm guys
involved (CCed).

Do you use s2disk or the built-in hibernation code?

Rafael
--
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/