linux-ext4 - Re: fuzzying a user mode linux image often core dumps with

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: <20130721010352.GB21484@thunk.org>
Date:	Sat, 20 Jul 2013 21:03:52 -0400
From:	Theodore Ts'o <tytso@....edu>
To:	Toralf Förster <toralf.foerster@....de>
Cc:	linux-ext4@...r.kernel.org,
	"user-mode-linux-devel@...ts.sourceforge.net" 
	<user-mode-linux-devel@...ts.sourceforge.net>
Subject: Re: fuzzying a user mode linux image often core dumps with

On Sat, Jul 20, 2013 at 05:07:19PM +0200, Toralf Förster wrote:
> I do run the fuzzer trinity within a 32 bit user mode linux.
> With latest git tree I do often get a core dump like the one attached.
> 
> Although it is the nature of trinity to corrupt the kernel /me wonders why it happens nearly alway
> at the same place. That's why I decided to just report it here.

Thanks, this is a known problem for which the fix is can be found here:

	http://patchwork.ozlabs.org/patch/260250/

I hope to get this fixed before -rc2 is released; the only question at
the moment is whether the fix is going to go to Linus via the ext4
tree or the VFS tree....

					- 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