linux-ext4 - Re: same ext4 file system corruption on different machines

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 for Android: free password hash cracker in your pocket

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

Message-ID: <1391504723.2663.4.camel@snow.station>
Date:	Tue, 04 Feb 2014 10:05:23 +0100
From:	Luca Ognibene <luca.ognibene@...il.com>
To:	Theodore Ts'o <tytso@....edu>
Cc:	linux-kernel@...r.kernel.org, linux-ext4@...r.kernel.org
Subject: Re: same ext4 file system corruption on different machines

Il giorno gio, 30/01/2014 alle 22.00 -0500, Theodore Ts'o ha scritto:
> On Thu, Jan 30, 2014 at 08:59:09AM +0100, Luca Ognibene wrote:
> > Yes it's indeed very strange.. i tend to rule out application errors
> > because i don't write directly to the device so i don't think i can
> > break a filesystem from userspace. I've checked previous and next blocks
> > and they seem ok, only the block 524320 is getting corrupted. Any idea
> > on what should i look for now?
> 
> Are you willing to try 3.12.9 or 3.13.1 upstream kernel?  Let's see if
> changing the kernel makes any difference.  I don't recall any ext4
> problems like this, but maybe it's device driver problem.

I'll try but my problem is that i can't replicate it.. i have to wait
weeks to see it happen on clients machines.

> The other thing I'd ask is whether you can swap out the hard drive
> interface --- can you use a USB 3.0 attached drive, or something like
> that?

I can't do that, sorry.

ciao
Luca

--
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