netdev - Re: [PATCH v2] selftests: net: Correct case name

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Date:   Tue, 7 Dec 2021 20:14:36 -0700
From:   David Ahern <dsahern@...il.com>
To:     "lizhijian@...itsu.com" <lizhijian@...itsu.com>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "kuba@...nel.org" <kuba@...nel.org>,
        "shuah@...nel.org" <shuah@...nel.org>
Cc:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kselftest@...r.kernel.org" <linux-kselftest@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Jie2x Zhou <jie2x.zhou@...el.com>,
        "Li Zhijian(intel)" <zhijianx.li@...el.com>
Subject: Re: [PATCH v2] selftests: net: Correct case name

On 12/6/21 11:05 PM, lizhijian@...itsu.com wrote:
>> # TESTS=bind6 ./fcnal-test.sh
>>
>> ###########################################################################
>> IPv6 address binds
>> ###########################################################################
>>
>>
>> #################################################################
>> No VRF
>>
>> TEST: Raw socket bind to local address - ns-A IPv6                            [FAIL]

This one passes for me.

Can you run the test with '-v -p'? -v will give you the command line
that is failing. -p will pause the tests at the failure. From there you
can do:

ip netns exec ns-A bash

Look at the routing - no VRF is involved so the address should be local
to the device and the loopback. Run the test manually to see if it
really is failing.


>> TEST: Raw socket bind to local address after device bind - ns-A IPv6          [ OK ]
>> TEST: Raw socket bind to local address - ns-A loopback IPv6                   [ OK ]
>> TEST: Raw socket bind to local address after device bind - ns-A loopback IPv6  [ OK ]
>> TEST: TCP socket bind to local address - ns-A IPv6                            [ OK ]
>> TEST: TCP socket bind to local address after device bind - ns-A IPv6          [ OK ]
>> TEST: TCP socket bind to out of scope local address - ns-A loopback IPv6      [FAIL]

This one seems to be a new problem. The socket is bound to eth1 and the
address bind is to an address on loopback. That should not be working.

>>
>> #################################################################
>> With VRF
>>
>> TEST: Raw socket bind to local address after vrf bind - ns-A IPv6             [ OK ]
>> TEST: Raw socket bind to local address after device bind - ns-A IPv6          [ OK ]
>> TEST: Raw socket bind to local address after vrf bind - VRF IPv6              [ OK ]
>> TEST: Raw socket bind to local address after device bind - VRF IPv6           [ OK ]
>> TEST: Raw socket bind to invalid local address after vrf bind - ns-A loopback IPv6  [ OK ]
>> TEST: TCP socket bind to local address with VRF bind - ns-A IPv6              [ OK ]
>> TEST: TCP socket bind to local address with VRF bind - VRF IPv6               [ OK ]
>> TEST: TCP socket bind to local address with device bind - ns-A IPv6           [ OK ]
>> TEST: TCP socket bind to VRF address with device bind - VRF IPv6              [FAIL]

This failure is similar to the last one. Need to see if a recent commit
changed something.


>> TEST: TCP socket bind to invalid local address for VRF - ns-A loopback IPv6   [ OK ]
>> TEST: TCP socket bind to invalid local address for device bind - ns-A loopback IPv6  [ OK ]
> 
> 
> Thanks
> Zhijian
> 
>