netdev - Re: [PATCH 4.14-stable] xfrm: Fix a race in the xdst pcpu cache.

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Message-ID: <20180124152712.GB24485@kroah.com>
Date:   Wed, 24 Jan 2018 16:27:12 +0100
From:   Greg KH <greg@...ah.com>
To:     David Miller <davem@...emloft.net>
Cc:     steffen.klassert@...unet.com, stable@...r.kernel.org,
        netdev@...r.kernel.org
Subject: Re: [PATCH 4.14-stable] xfrm: Fix a race in the xdst pcpu cache.

On Wed, Jan 24, 2018 at 09:57:06AM -0500, David Miller wrote:
> From: Steffen Klassert <steffen.klassert@...unet.com>
> Date: Wed, 24 Jan 2018 10:13:25 +0100
> 
> > commit 76a4201191814a0061cb5c861fafb9ecaa764846 upstream.
> > 
> > We need to run xfrm_resolve_and_create_bundle() with
> > bottom halves off. Otherwise we may reuse an already
> > released dst_enty when the xfrm lookup functions are
> > called from process context.
> > 
> > Fixes: c30d78c14a813db39a647b6a348b428 ("xfrm: add xdst pcpu cache")
> > Reported-by: Darius Ski <darius.ski@...il.com>
> > Signed-off-by: Steffen Klassert <steffen.klassert@...unet.com>
> 
> ACK

Thanks, now queued up.

greg k-h