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Date:   Sat, 27 Jan 2018 10:39:44 +0100
From:   Paolo Abeni <>
To:     Wei Wang <>, David Miller <>,
Cc:     Eric Dumazet <>, Martin KaFai Lau <>
Subject: Re: [PATCH net] ipv6: change route cache aging logic

On Fri, 2018-01-26 at 11:40 -0800, Wei Wang wrote:
> From: Wei Wang <>
> In current route cache aging logic, if a route has both RTF_EXPIRE and
> RTF_GATEWAY set, the route will only be removed if the neighbor cache
> has no RTN_ROUTE flag. Otherwise, even if the route has expired, it
> won't get deleted.
> Fix this logic to always check if the route has expired first and then
> do the gateway neighbor cache check if previous check decide to not
> remove the exception entry.
> Fixes: 1859bac04fb6 ("ipv6: remove from fib tree aged out RTF_CACHE dst")
> Signed-off-by: Wei Wang <>
> Signed-off-by: Eric Dumazet <>

Thank you for the fix!


Acked-by: Paolo Abeni <>



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