netdev - Re: [PATCH net v2] selftests/fib_tests: ping from dummy0 in fib_rp_filter

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20211130051322.GA4450@bytedance>
Date:   Mon, 29 Nov 2021 21:13:22 -0800
From:   Peilin Ye <yepeilin.cs@...il.com>
To:     David Ahern <dsahern@...il.com>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Shuah Khan <shuah@...nel.org>,
        Peilin Ye <peilin.ye@...edance.com>,
        Cong Wang <xiyou.wangcong@...il.com>,
        Hangbin Liu <liuhangbin@...il.com>, netdev@...r.kernel.org,
        linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net v2] selftests/fib_tests: ping from dummy0 in
 fib_rp_filter_test()

Hi David,

On Mon, Nov 29, 2021 at 06:16:48PM -0700, David Ahern wrote:
> On 11/29/21 5:49 PM, Peilin Ye wrote:
> > -	run_cmd "ip netns exec ns1 ping -I dummy1 -w1 -c1 198.51.100.1"
> > +	run_cmd "ip netns exec ns1 ping -I dummy0 -w1 -c1 198.51.100.1"
> >  	log_test $? 0 "rp_filter passes local packets"
> 
> confused by the point of this test if you are going to change dummy1 to
> dummy0. dummy0 has 198.51.100.1 assigned to it, so the ping should
> always work.

Ah...  Thanks for pointing this out, I'll try to figure out a different
way to test it in v3.

Thanks,
Peilin Ye