linux-kernel - Re: [PATCH] vfio/pci: Clear error and request eventfd ctx after releasing

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Message-ID: <20200617065115.ccaawd5ehap6pqfq@beryllium.lan>
Date:   Wed, 17 Jun 2020 08:51:15 +0200
From:   Daniel Wagner <dwagner@...e.de>
To:     Alex Williamson <alex.williamson@...hat.com>
Cc:     linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
        cohuck@...hat.com, cai@....pw
Subject: Re: [PATCH] vfio/pci: Clear error and request eventfd ctx after
 releasing

Hi Alex,

On Tue, Jun 16, 2020 at 03:26:36PM -0600, Alex Williamson wrote:
> The next use of the device will generate an underflow from the
> stale reference.
> 
> Cc: Qian Cai <cai@....pw>
> Fixes: 1518ac272e78 ("vfio/pci: fix memory leaks of eventfd ctx")
> Reported-by: Daniel Wagner <dwagner@...e.de>
> Signed-off-by: Alex Williamson <alex.williamson@...hat.com>

Thanks for the quick fix. I gave it a try and the warning is gone.

Tested-by: Daniel Wagner <dwagner@...e.de>

Thanks,
Daniel