linux-ext4 - Re: [PATCH V2] ext4: Protect group inode free counting with group lock.

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]

Message-ID: <20120528222312.GE5610@thunk.org>
Date:	Mon, 28 May 2012 18:23:12 -0400
From:	Ted Ts'o <tytso@....edu>
To:	Tao Ma <tm@....ma>
Cc:	linux-ext4@...r.kernel.org
Subject: Re: [PATCH V2] ext4: Protect group inode free counting with group
 lock.

On Thu, May 17, 2012 at 03:35:39PM +0800, Tao Ma wrote:
> From: Tao Ma <boyu.mt@...bao.com>
> 
> Now when we set the group inode free count, we don't have a proper
> group lock so that multiple threads may decrease the inode free
> count at the same time....
>
> btw, it is found by xfstests test case 269 and the volume is
> mkfsed with the parameter
> "-O ^resize_inode,^uninit_bg,extent,meta_bg,flex_bg,ext_attr"
> and I have run it 100 times and the error in e2fsck doesn't
> show up again.
> 
> Cc: Theodore Ts'o <tytso@....edu>
> Signed-off-by: Tao Ma <boyu.mt@...bao.com>

Thanks, applied.

						- 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