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From: Christoph Hellwig <hch@lst.de>
To: Xi Wang <xi.wang@gmail.com>
Cc: linux-kernel@vger.kernel.org, Ben Myers <bpm@sgi.com>,
	Christoph Hellwig <hch@lst.de>,
	xfs@oss.sgi.com
Subject: Re: [PATCH] xfs: fix acl count validation in xfs_acl_from_disk()
Date: Mon, 12 Dec 2011 23:42:27 +0100	[thread overview]
Message-ID: <20111212224227.GA17461@lst.de> (raw)
In-Reply-To: <1323726952-22963-1-git-send-email-xi.wang@gmail.com>

On Mon, Dec 12, 2011 at 04:55:52PM -0500, Xi Wang wrote:
> Commit fa8b18ed didn't prevent the integer overflow and possible
> memory corruption.  "count" can go negative and bypass the check.

Thanks, this looks good to me.

Reviewed-by: Christoph Hellwig <hch@lst.de>

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WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de>
To: Xi Wang <xi.wang@gmail.com>
Cc: Christoph Hellwig <hch@lst.de>, Ben Myers <bpm@sgi.com>,
	xfs@oss.sgi.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] xfs: fix acl count validation in xfs_acl_from_disk()
Date: Mon, 12 Dec 2011 23:42:27 +0100	[thread overview]
Message-ID: <20111212224227.GA17461@lst.de> (raw)
In-Reply-To: <1323726952-22963-1-git-send-email-xi.wang@gmail.com>

On Mon, Dec 12, 2011 at 04:55:52PM -0500, Xi Wang wrote:
> Commit fa8b18ed didn't prevent the integer overflow and possible
> memory corruption.  "count" can go negative and bypass the check.

Thanks, this looks good to me.

Reviewed-by: Christoph Hellwig <hch@lst.de>

  reply	other threads:[~2011-12-12 22:42 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-12-12 21:55 [PATCH] xfs: fix acl count validation in xfs_acl_from_disk() Xi Wang
2011-12-12 21:55 ` Xi Wang
2011-12-12 22:42 ` Christoph Hellwig [this message]
2011-12-12 22:42   ` Christoph Hellwig
2011-12-16 21:19 ` Ben Myers
2011-12-16 21:19   ` Ben Myers

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