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Message-ID: <884d9eb7-0e8e-3e59-cf6d-2c6931da35ee@alu.unizg.hr>
Date: Thu, 8 Jun 2023 07:37:15 +0200
From: Mirsad Goran Todorovac <mirsad.todorovac@....unizg.hr>
To: Guillaume Nault <gnault@...hat.com>
Cc: netdev@...r.kernel.org, "David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>, Shuah Khan <shuah@...nel.org>,
linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org
Subject: Re: POSSIBLE BUG: selftests/net/fcnal-test.sh: [FAIL][FIX TESTED] in
vrf "bind - ns-B IPv6 LLA" test
On 6/7/23 18:51, Guillaume Nault wrote:
> On Wed, Jun 07, 2023 at 12:04:52AM +0200, Mirsad Goran Todorovac wrote:
>> I cannot tell if those are new for the architecture (Ubuntu 22.04 + AMD Ryzen)
>>
>> However, Ubuntu's unsigned 6.3.1 generic mainline kernel is also affected.
>> So, it might seem like an old problem.
>>
>> (If you could isolate the exact tests, I could try a bisect.)
>>
>> [...]
>> TEST: ping local, VRF bind - ns-A IP [ OK ]
>> TEST: ping local, VRF bind - VRF IP [FAIL]
>> TEST: ping local, VRF bind - loopback [ OK ]
>> TEST: ping local, device bind - ns-A IP [FAIL]
>> TEST: ping local, device bind - VRF IP [ OK ]
>> [...]
>>
>> SYSCTL: net.ipv4.raw_l3mdev_accept=1
>>
>> [...]
>> TEST: ping local, VRF bind - ns-A IP [ OK ]
>> TEST: ping local, VRF bind - VRF IP [FAIL]
>> TEST: ping local, VRF bind - loopback [ OK ]
>> TEST: ping local, device bind - ns-A IP [FAIL]
>> TEST: ping local, device bind - VRF IP [ OK ]
>> [...]
>>
>> Yes, just tested, w commit 42510dffd0e2 these are still present
>> in fcnal-test.sh output:
>>
>> [...]
>> TEST: ping local, VRF bind - ns-A IP [ OK ]
>> TEST: ping local, VRF bind - VRF IP [FAIL]
>> TEST: ping local, VRF bind - loopback [ OK ]
>> TEST: ping local, device bind - ns-A IP [FAIL]
>> TEST: ping local, device bind - VRF IP [ OK ]
>> [...]
>> TEST: ping local, VRF bind - ns-A IP [ OK ]
>> TEST: ping local, VRF bind - VRF IP [FAIL]
>> TEST: ping local, VRF bind - loopback [ OK ]
>> TEST: ping local, device bind - ns-A IP [FAIL]
>> TEST: ping local, device bind - VRF IP [ OK ]
>> [...]
>
> I have the same failures here. They don't seem to be recent.
> I'll take a look.
Certainly. I thought it might be something architecture-specific?
I have reproduced it also on a Lenovo IdeaPad 3 with Ubuntu 22.10,
but on Lenovo desktop with AlmaLinux 8.8 (CentOS fork), the result
was "888/888 passed".
However, I have a question:
In the ping + "With VRF" section, the tests with net.ipv4.raw_l3mdev_accept=1
are repeated twice, while "No VRF" section has the versions:
SYSCTL: net.ipv4.raw_l3mdev_accept=0
and
SYSCTL: net.ipv4.raw_l3mdev_accept=1
The same happens with the IPv6 ping tests.
In that case, it could be that we have only 2 actual FAIL cases,
because the error is reported twice.
Is this intentional?
Thanks,
Mirsad
74 #################################################################
75 With VRF
76
77 SYSCTL: net.ipv4.raw_l3mdev_accept=1
78
79 TEST: ping out, VRF bind - ns-B IP [ OK ]
80 TEST: ping out, device bind - ns-B IP [ OK ]
81 TEST: ping out, vrf device + dev address bind - ns-B IP [ OK ]
82 TEST: ping out, vrf device + vrf address bind - ns-B IP [ OK ]
83 TEST: ping out, VRF bind - ns-B loopback IP [ OK ]
84 TEST: ping out, device bind - ns-B loopback IP [ OK ]
85 TEST: ping out, vrf device + dev address bind - ns-B loopback IP [ OK ]
86 TEST: ping out, vrf device + vrf address bind - ns-B loopback IP [ OK ]
87 TEST: ping in - ns-A IP [ OK ]
88 TEST: ping in - VRF IP [ OK ]
89 TEST: ping local, VRF bind - ns-A IP [ OK ]
90 TEST: ping local, VRF bind - VRF IP [FAIL]
91 TEST: ping local, VRF bind - loopback [ OK ]
92 TEST: ping local, device bind - ns-A IP [FAIL]
93 TEST: ping local, device bind - VRF IP [ OK ]
94 TEST: ping local, device bind - loopback [ OK ]
95 TEST: ping out, vrf bind, blocked by rule - ns-B loopback IP [ OK ]
96 TEST: ping out, device bind, blocked by rule - ns-B loopback IP [ OK ]
97 TEST: ping in, blocked by rule - ns-A loopback IP [ OK ]
98 TEST: ping out, vrf bind, unreachable route - ns-B loopback IP [ OK ]
99 TEST: ping out, device bind, unreachable route - ns-B loopback IP [ OK ]
100 TEST: ping in, unreachable route - ns-A loopback IP [ OK ]
101 SYSCTL: net.ipv4.ping_group_range=0 2147483647
102
103 SYSCTL: net.ipv4.raw_l3mdev_accept=1
104
105 TEST: ping out, VRF bind - ns-B IP [ OK ]
106 TEST: ping out, device bind - ns-B IP [ OK ]
107 TEST: ping out, vrf device + dev address bind - ns-B IP [ OK ]
108 TEST: ping out, vrf device + vrf address bind - ns-B IP [ OK ]
109 TEST: ping out, VRF bind - ns-B loopback IP [ OK ]
110 TEST: ping out, device bind - ns-B loopback IP [ OK ]
111 TEST: ping out, vrf device + dev address bind - ns-B loopback IP [ OK ]
112 TEST: ping out, vrf device + vrf address bind - ns-B loopback IP [ OK ]
113 TEST: ping in - ns-A IP [ OK ]
114 TEST: ping in - VRF IP [ OK ]
115 TEST: ping local, VRF bind - ns-A IP [ OK ]
116 TEST: ping local, VRF bind - VRF IP [FAIL]
117 TEST: ping local, VRF bind - loopback [ OK ]
118 TEST: ping local, device bind - ns-A IP [FAIL]
119 TEST: ping local, device bind - VRF IP [ OK ]
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