linux-kernel - Re: OCFS2 mainline state?

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Message-ID: <512BD98B.8070202@smart-weblications.de>
Date:	Mon, 25 Feb 2013 22:37:15 +0100
From:	Smart Weblications GmbH - Florian Wiessner 
	<f.wiessner@...rt-weblications.de>
To:	Richard Weinberger <richard@....at>
CC:	ocfs2-devel@....oracle.com, ocfs2-user@....oracle.com,
	linux-kernel@...r.kernel.org, viro@...iv.linux.org.uk,
	mfasheh@...e.com, jlbec@...lplan.org,
	linux-fsdevel@...r.kernel.org, david@...ma-star.at
Subject: Re: OCFS2 mainline state?

Am 25.02.2013 21:33, schrieb Richard Weinberger:
> Hi!
> 
> Today I encountered the following problem on v3.8:
> [   28.940032] general protection fault: 0000 [#1] PREEMPT SMP
> ...
> [   28.984953] Call Trace:
> [   28.986628   [<ffffffffa04cb200>] ocfs2_fast_symlink_readpage+0x70/0x1b0 [ocfs2]
> [   28.988302]  [<ffffffff8110dc49>] ? add_to_page_cache_lru+0x29/0x40
> [   28.989942]  [<ffffffff8110ddca>] do_read_cache_page+0x7a/0x170
> [   28.991573]  [<ffffffff8110def4>] read_cache_page_async+0x14/0x20
> [   28.993212]  [<ffffffff8110df09>] read_cache_page+0x9/0x20
> [   28.994827]  [<ffffffff81170ae5>] page_getlink.isra.9+0x25/0x80
> [   28.996442]  [<ffffffff81170b61>] page_follow_link_light+0x21/0x40
> [   28.998049]  [<ffffffff8117090d>] generic_readlink+0x3d/0xa0
> [   28.999653]  [<ffffffff8116c0db>] sys_readlinkat+0xfb/0x130
> [   29.001246]  [<ffffffff8116c126>] sys_readlink+0x16/0x20
> [   29.002839]  [<ffffffff815d8dad>] system_call_fastpath+0x1a/0x1f
> 
> To my utter astonishment I found out that the issue is known since August 2012.
> And there is also a trivial fix for it.[0]
> The said fix found it's way into Oracle Unbreakable Linux very quickly,
> but not into mainline.[1]
> 
> Now I'm wondering how much Oracle really cares about OCFS2 in mainline?
> Maybe there are some more unfixed vulnerabilities?
> 

I noticed and reported this on 07.02.2013 but got no reply ;(


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Mit freundlichen Grüßen,

Florian Wiessner

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