linux-ext4 - Re: data corruption with ext4 (from 2.6.27.4) exposed by rtorrent

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]

Date:	Wed, 5 Nov 2008 15:42:23 -0500
From:	Theodore Tso <tytso@....edu>
To:	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>
Cc:	Solofo.Ramangalahy@...l.net,
	Jindrich Makovicka <makovick@...il.com>,
	linux-ext4@...r.kernel.org
Subject: Re: data corruption with ext4 (from 2.6.27.4) exposed by rtorrent

On Wed, Nov 05, 2008 at 09:21:00PM +0100, Solofo.Ramangalahy@...l.net wrote:
> Solofo.Ramangalahy@...l.net writes:
>  >  > The next question is whether the problem is more easily triggerred
>  >  > when under memory pressure.
>  > 
>  > I was currently testing other kernels, but, right, I will retest with more memory.
> 
> with -m 2048 I do not observe the problem.
> 
> I should add that with 2.6.28-rc3 + ext4 patch queue, I am observing
> what seems to be lockdep bug:
> [   31.603020] BUG: key c9f315a8 not in .data!

Aneesh has some new patches in the ext4 patch queue that add new
lockdep annotations.  I'm guessing there's a problem there.  Aneesh,
can you look into this?  Solofo, can you send the .config you used
in case it was unique to replicating the problem?

						- Ted
--
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html