Re: [PATCH] xfrm: check bundle policy existance beforedereferencing it

From: David Miller
Date: Thu Jun 24 2010 - 17:35:26 EST

From: Timo Teräs <timo.teras@xxxxxx>
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@xxxxxxxxx>
> Signed-off-by: Timo Teräs <timo.teras@xxxxxx>

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