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Date:   Fri, 26 Aug 2022 11:16:11 +0200
From:   Nicolas Dichtel <nicolas.dichtel@...nd.com>
To:     Heng Qi <hengqi@...ux.alibaba.com>, linux-kernel@...r.kernel.org
Cc:     netdev@...r.kernel.org, stable@...r.kernel.org,
        edwin.brossette@...nd.com, pabeni@...hat.com
Subject: Re: 747c143 caused icmp redirect to fail


Le 26/08/2022 à 05:52, Heng Qi a écrit :
> The detailed description: When testing with selftests/net/icmp_redirect.sh, a redirect exception FAIL occurred for IPv4.
> This is not in line with actual expectations. r1 changes the route to the destination network 172.16.2.0/24 from 10.1.1.2 to 172.16.1.254. After h1 sends the ping packet, h1 continues to obtain the route to 172.16.2.2, and the result is not as expected.
> This flaw was introduced by 747c14307214b55dbd8250e1ab44cad8305756f1. When this commit is rolled back, the test will pass.
> 
> bug commit: 747c14307214b55dbd8250e1ab44cad8305756f1

Thanks for the report. I will investigate.

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