ACK: [SRU][J/N/Q][PATCH 0/3] ubuntu_kselftests_net/rtnetlink.sh fails on multiple kernels

[Tim Whisonant]

On Fri, Dec 12, 2025 at 12:14:50PM +0100, Alessio Faina wrote:
> https://bugs.launchpad.net/bugs/1893921
> https://bugs.launchpad.net/bugs/2012859
> https://bugs.launchpad.net/bugs/2031531
> https://bugs.launchpad.net/bugs/2039280
> https://bugs.launchpad.net/bugs/2096976
> 
> 
> [ Impact ]
> 
> The rtnetlink.sh script from the kernel selftests are failing when running
> on a Big Endian machine.
> 
> For Noble, another issue was happening (LP #2031531) where the 
> "address proto IPv[4/6]" tests were failing.
> 
> 
> [ Fix ]
> 
>                * Jammy, Noble, Questing *
> The selected path to fix this issue is to modify the order of each key element
> in a way where the final parsing receives the keys inverted, thus
> correctly passing the test. 
> 
>                * Noble only *
> A couple of upstream upstream patches were applied
>  * cherry-picked 8ee60f9c41fb01440e8a8f97127869c9b1978362 from upstream
>  * cherry-picked f77064586026df2acbab0631df237d4147350983 from upstream
>  * cherry-picked 621bc5f2bd7efb4c8b9080fd5e9a97510e51bd75 from upstream
> 
> 
> [ Test plan ]
> 
> For Jammy, Noble and Questing the patched script has been run on a s390 
> cloudprov instance, amd64 instance and a local amd64 lxd instance.
> The selected kernels installed
> 
> The script was run directly on a machine as following:
> ------------------------------------------------------------------------
> root at ubuntu-noble:~/selftests/net# ./rtnetlink.sh
> PASS: policy routing
> PASS: route get
> PASS: preferred_lft addresses have expired
> PASS: promote_secondaries complete
> PASS: tc htb hierarchy
> PASS: gre tunnel endpoint
> PASS: gretap
> PASS: ip6gretap
> PASS: erspan
> PASS: ip6erspan
> PASS: bridge setup
> PASS: ipv6 addrlabel
> PASS: set ifalias ff631fdc-064a-42ab-8c53-dcb7d89e98ac for test-dummy0
> PASS: vrf
> PASS: vxlan
> PASS: fou
> PASS: macsec
> PASS: ipsec
> PASS: ipsec_offload
> PASS: bridge fdb get
> PASS: neigh get
> ------------------------------------------------------------------------
> 
> As shown in the previous block, no issues where observed.
> 
> 
> [ Regression potential ]
> 
> No regression are expected as the patch effects only a testing script.
> 
> 
> [ Notes ]
> 
> If accepted, I'm planning to push the SAUCE patch upstream as well, as
> the mainline kernel doesn't have the fix for Big Endian machines.
> 
> -- 
> 2.43.0
> 
 
Acked-by: Tim Whisonant <tim.whisonant at canonical.com>