linux-kernel - Re: [PATCH] ocfs2: Fix NULL pointer dereferrence in __ocfs2_change_file

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, 20 Jun 2012 21:39:38 -0700
From:	Bret Towe <magnade@...il.com>
To:	Luis Henriques <luis.henriques@...onical.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, ocfs2-devel@....oracle.com,
	mfasheh@...e.com, jlbec@...lplan.org, sunil.mushran@...cle.com
Subject: Re: [PATCH] ocfs2: Fix NULL pointer dereferrence in __ocfs2_change_file_space

On Wed, Jun 20, 2012 at 3:34 PM, Luis Henriques
<luis.henriques@...onical.com> wrote:
> As ocfs2_fallocate() will invoke __ocfs2_change_file_space() with a NULL
> as the first parameter (file), it may trigger a NULL pointer dereferrence
> due to a missing check.  See http://bugs.launchpad.net/bugs/1006012.
>
> Signed-off-by: Luis Henriques <luis.henriques@...onical.com>

ran the patch for a while no crashes I see if the other patch isn't used
i did notice the following in dmesg  not sure exactly what i was up to
at that point tho
never seen the message before

[ 4704.352332] (pool,1731,0):ocfs2_unlink:951 ERROR: status = -39
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/