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Date:   Wed, 08 Aug 2018 09:45:21 -0700 (PDT)
From:   David Miller <>
Subject: Re: [PATCH net] vhost: reset metadata cache when initializing new

From: Jason Wang <>
Date: Wed,  8 Aug 2018 11:43:04 +0800

> We need to reset metadata cache during new IOTLB initialization,
> otherwise the stale pointers to previous IOTLB may be still accessed
> which will lead a use after free.
> Reported-by:
> Fixes: f88949138058 ("vhost: introduce O(1) vq metadata cache")
> Signed-off-by: Jason Wang <>

Applied and queued up for -stable, thanks Jason.

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