linux-kernel - Re: [PATCH] route: put lwstate before freeing dst to avoid use after free

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Message-ID: <20150825182840.GL3707@pox.localdomain>
Date:	Tue, 25 Aug 2015 20:28:40 +0200
From:	Thomas Graf <tgraf@...g.ch>
To:	Sasha Levin <sasha.levin@...cle.com>
Cc:	davem@...emloft.net, jbenc@...hat.com, roopa@...ulusnetworks.com,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] route: put lwstate before freeing dst to avoid use after
 free

On 08/25/15 at 02:25pm, Sasha Levin wrote:
> Commit 61adedf3 ("route: move lwtunnel state to dst_entry") is trying to
> release lwstate after getting rid of dst, which causes a use-after-free
> trying to access dst->lwstate.
> 
> Fixes: 61adedf3 ("route: move lwtunnel state to dst_entry")
> Signed-off-by: Sasha Levin <sasha.levin@...cle.com>

Acked-by: Thomas Graf <tgraf@...g.ch>
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