linux-ext4 - Re: 2.6.32-rc1 oops in ext4

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]

Date:	Thu, 1 Oct 2009 12:42:45 -0400
From:	Andrew Lutomirski <andy@...o.us>
To:	Theodore Tso <tytso@....edu>, Andrew Lutomirski <andy@...o.us>,
	linux-kernel@...r.kernel.org, linux-ext4@...r.kernel.org
Subject: Re: 2.6.32-rc1 oops in ext4

On Wed, Sep 30, 2009 at 11:07 PM, Theodore Tso <tytso@....edu> wrote:
> On Wed, Sep 30, 2009 at 10:54:26PM -0400, Andrew Lutomirski wrote:
>> All I did was boot Fedora 11 and open a Konsole.  I'm running
>> 84d88d5d4efc37dfb8a93a4a58d8a227ee86ffa4.
>
> I'm pretty sure this patch should fix things; can you confirm?
>
>                                              - Ted
>
> commit 1f94533d9cd75f6d2826018d54a971b9cc085992
> Author: Theodore Ts'o <tytso@....edu>
> Date:   Wed Sep 30 22:57:41 2009 -0400
>
>    ext4: fix a BUG_ON crash by checking that page has buffers attached to it
>
>    In ext4_num_dirty_pages() we were calling page_buffers() before
>    checking to see if the page actually had pages attached to it; this
>    would cause a BUG check crash in the inline function page_buffers().
>
>    Thanks to Markus Trippelsdorf for reporting this bug.
>
>    Signed-off-by: "Theodore Ts'o" <tytso@....edu>

I patched that onto the same kernel from git and it seems to work.

Tested-by: Andy Lutomirski <luto@....edu>

Thanks,
Andy
--
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