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

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Message-Id: <20180124.095706.2227175104126142437.davem@davemloft.net>
Date:   Wed, 24 Jan 2018 09:57:06 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     steffen.klassert@...unet.com
Cc:     stable@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH 4.14-stable] xfrm: Fix a race in the xdst pcpu cache.

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