netdev - Re: [RFC PATCH net] vrf: fix incorrect dereferencing of skb->cb

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Message-ID: <472b6970-dbf1-216c-030d-218e23a227dd@linux.alibaba.com>
Date:   Mon, 21 Feb 2022 14:27:11 +0800
From:   "D. Wythe" <alibuda@...ux.alibaba.com>
To:     David Ahern <dsahern@...nel.org>
Cc:     davem@...emloft.net, kuba@...nel.org, netdev@...r.kernel.org
Subject: Re: [RFC PATCH net] vrf: fix incorrect dereferencing of skb->cb

在 2022/2/18 上午11:53, David Ahern 写道:
> On 2/16/22 10:37 PM, D. Wythe wrote:
>> Got your point, this patch is not really appropriate considering
>> that. Another way to complete the test may be to modify the IP address
>> of vrf blue in test script，the default local loopback address is the
>> reason for this failure. What do you think ?

I am trying to work on rfc6724 and its implementation, which is source 
address selection code. I will reply as soon as I have a conclusion.

> Someone needs to dive into the source address selection code and see why
> it fails when crossing vrfs. I found a reminder note:
> ipv6_chk_acast_addr needs l3mdev check. Can you take a look?

Very valuable tips, I'll look it.

Best Wishes.