[Bug 2096976] Re: ipsec_offload in rtnetlink.sh from ubunsu_kselftests_net fails on O/J

** Tags removed: verification-needed-jammy-linux
** Tags added: verification-done-jammy-linux

** Tags removed: verification-needed-oracular-linux
** Tags added: verification-done-oracular-linux

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https://bugs.launchpad.net/bugs/2096976

Title:
ipsec_offload in rtnetlink.sh from ubunsu_kselftests_net fails on O/J

Status in ubuntu-kernel-tests:
New
Status in linux package in Ubuntu:
Invalid
Status in linux source package in Jammy:
Fix Committed
Status in linux source package in Oracular:
Fix Committed

Bug description:
[ Impact ]

selftest: netfilter: after upstream commit 2cf567f421dbfe7e53b7e5ddee9400da10efb75d
ipsec_offload test needs its source ip written into the expected value, however the
complete patchset https://lore.kernel.org/lkml/20241010040027.21440-1-liuhangbin@gmail.com/
has a more comprehensive modification so this only fixes the test for the
current status (only patch 2/3 of the patchset applied).

Found on Oracular 6.11.0-17.17 and should be found on its derivatives /
backports.

Log output:

# selftests: net: rtnetlink.sh
# PASS: policy routing
---(snip)---
# PASS: ipsec
# FAIL: ipsec_offload incorrect driver data
# FAIL: ipsec_offload
# PASS: bridge fdb get

Verbose output should be like:

COMMAND: modprobe -q netdevsim
COMMAND: ip x p add dir out src 192.168.123.3/24 dst 192.168.123.4/24 tmpl
proto esp src 192.168.123.3 dst 192.168.123.4 spi 9 mode transport reqid 42
COMMAND: ip x p add dir in src 192.168.123.4/24 dst 192.168.123.3/24 tmpl
proto esp src 192.168.123.4 dst 192.168.123.3 spi 9 mode transport reqid 42
COMMAND: ip x s add proto esp src 192.168.123.3 dst 192.168.123.4 spi 9 mode
transport reqid 42 aead rfc4106(gcm(aes))
0x3132333435363738393031323334353664636261 128 sel src 192.168.123.3/24 dst
192.168.123.4/24 offload dev eni0np1 dir out
COMMAND: ip x s add proto esp src 192.168.123.4 dst 192.168.123.3 spi 9 mode
transport reqid 42 aead rfc4106(gcm(aes))
0x3132333435363738393031323334353664636261 128 sel src 192.168.123.4/24 dst
192.168.123.3/24 offload dev eni0np1 dir in
COMMAND: diff /sys/kernel/debug/netdevsim/netdevsim0/ports/0//ipsec -
2c2
< sa[0] tx ipaddr=0x00000000 00000000 00000000 047ba8c0
---
> sa[0] tx ipaddr=0x00000000 00000000 00000000 00000000
FAIL: ipsec_offload incorrect driver data

[ Fix ]

Oracular: fixed separately
Jammy: fixed separately

[ Test Plan ]

Compiled, boot tested and auto-tested on amd64.

[ Where Problems Could Occur ]

The fix affects only the failing ipsec_offload of the netfilter test.

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