netdev - Re: [PATCH net] net/ipv6: onlink nexthop checks should default to main table

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Date:   Wed, 07 Feb 2018 21:53:08 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     dsahern@...il.com
Cc:     netdev@...r.kernel.org
Subject: Re: [PATCH net] net/ipv6: onlink nexthop checks should default to
 main table

From: David Ahern <dsahern@...il.com>
Date: Tue,  6 Feb 2018 13:17:06 -0800

> Because of differences in how ipv4 and ipv6 handle fib lookups,
> verification of nexthops with onlink flag need to default to the main
> table rather than the local table used by IPv4. As it stands an
> address within a connected route on device 1 can be used with
> onlink on device 2. Updating the table properly rejects the route
> due to the egress device mismatch.
> 
> Update the extack message as well to show it could be a device
> mismatch for the nexthop spec.
> 
> Fixes: fc1e64e1092f ("net/ipv6: Add support for onlink flag")
> Signed-off-by: David Ahern <dsahern@...il.com>

Applied, thanks David.