linux-kernel - Re: [PATCH] xfrm: check bundle policy existance before dereferencing it

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Message-Id: <20100624.143532.245414414.davem@davemloft.net>
Date:	Thu, 24 Jun 2010 14:35:32 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	timo.teras@....fi
Cc:	netdev@...r.kernel.org, justinmattock@...il.com,
	eric.dumazet@...il.com, linville@...driver.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] xfrm: check bundle policy existance before
 dereferencing it

From: Timo Teräs <timo.teras@....fi>
Date: Thu, 24 Jun 2010 08:45:19 +0300

> Fix the bundle validation code to not assume having a valid policy.
> When we have multiple transformations for a xfrm policy, the bundle
> instance will be a chain of bundles with only the first one having
> the policy reference. When policy_genid is bumped it will expire the
> first bundle in the chain which is equivalent of expiring the whole
> chain.
> 
> Reported-bisected-and-tested-by: Justin P. Mattock <justinmattock@...il.com>
> Signed-off-by: Timo Teräs <timo.teras@....fi>

Applied.
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