arp_ndisc_evict_nocarrier.sh in net from ubuntu_kernel_selftests failed on J-oem-5.17 / K

This is a test case issue caused by the cleanup code in the script.

cleanup_v6()
{
    ip netns del me
    ip netns del peer

    sysctl -w net.ipv4.conf.veth0.ndisc_evict_nocarrier=1 >/dev/null 2>&1
    sysctl -w net.ipv4.conf.all.ndisc_evict_nocarrier=1 >/dev/null 2>&1
}

This sysctl command is actually failing with:
sysctl: cannot stat /proc/sys/net/ipv4/conf/veth0/ndisc_evict_nocarrier: No such file or directory

And thus return 255.

Patch submitted upstream
https://<email address hidden>/T/#t

This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:

apport-collect 1968310

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

This has already landed in Lunar.

https://lists.ubuntu.com/archives/kernel-team/2023-February/136862.html

This bug is awaiting verification that the linux-oem-5.17/5.17.0-1028.29 kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed-jammy' to 'verification-done-jammy'. If the problem still exists, change the tag 'verification-needed-jammy' to 'verification-failed-jammy'.

If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you!

Test passed with J-oem-5.17.0-1028.29.

This bug was fixed in the package linux-oem-5.17 - 5.17.0-1028.29

---------------
linux-oem-5.17 (5.17.0-1028.29) jammy; urgency=medium

  * jammy/linux-oem-5.17: 5.17.0-1028.29 -proposed tracker (LP: #2004346)

  * CVE-2023-0045
    - x86/bugs: Flush IBP in ib_prctl_set()

  * Packaging resync (LP: #1786013)
    - debian/dkms-versions -- update from kernel-versions (main/2023.01.30)

  * Keeps rebooting with AMD W6400, W6600, and W6800 graphic cards
    (LP: #2000110)
    - drm/amdgpu: move nbio ih_doorbell_range() into ih code for vega
    - drm/amdgpu: move nbio sdma_doorbell_range() into sdma code for vega
    - drm/amdgpu: make sure to init common IP before gmc
    - drm/amdgpu: fix sdma doorbell init ordering on APUs

  * CVE-2022-47520
    - wifi: wilc1000: validate pairwise and authentication suite offsets

  * Improve arp_ndisc_evict_nocarrier.sh test result processing (LP: #2006546)
    - selftests: net: return non-zero for failures reported in
      arp_ndisc_evict_nocarrier

  * CVE-2022-43750
    - usb: mon: make mmapped memory read only

  * CVE-2023-0461
    - net/ulp: prevent ULP without clone op from entering the LISTEN status
    - net/ulp: use consistent error code when blocking ULP

  * CVE-2022-3565
    - mISDN: fix use-after-free bugs in l1oip timer handlers

  * CVE-2022-36879
    - xfrm: xfrm_policy: fix a possible double xfrm_pols_put() in
      xfrm_bundle_lookup()

  * CVE-2022-20369
    - NFSD: fix use-after-free in __nfs42_ssc_open()

  * arp_ndisc_evict_nocarrier.sh in net from ubuntu_kernel_selftests failed on
    J-oem-5.17 / K (LP: #1968310)
    - selftests: net: fix cleanup_v6() for arp_ndisc_evict_nocarrier

  * CVE-2022-20566
    - Bluetooth: L2CAP: Fix use-after-free caused by l2cap_chan_put

  * Expose built-in trusted and revoked certificates (LP: #1996892)
    - [Packaging] Expose built-in trusted and revoked certificates

 -- Timo Aaltonen <email address hidden> Fri, 10 Feb 2023 12:15:41 +0200

This bug is awaiting verification that the linux/5.19.0-37.38 kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed-kinetic' to 'verification-done-kinetic'. If the problem still exists, change the tag 'verification-needed-kinetic' to 'verification-failed-kinetic'.

If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you!

test is now passing on Kinetic

This bug was fixed in the package linux - 5.19.0-38.39

---------------
linux (5.19.0-38.39) kinetic; urgency=medium

  * kinetic/linux: 5.19.0-38.39 -proposed tracker (LP: #2012088)

  * NFS deathlock with last Kernel 5.4.0-144.161 and 5.15.0-67.74 (LP: #2009325)
    - NFS: Correct timing for assigning access cache timestamp

linux (5.19.0-37.38) kinetic; urgency=medium

  * kinetic/linux: 5.19.0-37.38 -proposed tracker (LP: #2008305)

  * XPS 9320 screen flicker on UHD panel 3840x2400 (LP: #2007516)
    - SAUCE: drm/i915/display/psr: Disable PSR2 sel fetch on panel SHP 5457

  * Fix speaker mute hotkey doesn't work on Dell G16 series (LP: #2003161)
    - platform/x86: dell-wmi: Add a keymap for KEY_MUTE in type 0x0010 table

  * net:cmsg_ipv6.sh from ubuntu_kernel_selftests failed with K-5.19
    (LP: #2000709)
    - selftest: net: Improve IPV6_TCLASS/IPV6_HOPLIMIT tests apparmor
      compatibility

  * rtcpie in timers from ubuntu_kernel_selftests randomly failing
    (LP: #1814234)
    - SAUCE: selftest: rtcpie: Force passing unreliable subtest

  * CVE-2023-0469
    - io_uring/filetable: fix file reference underflow

  * Improve arp_ndisc_evict_nocarrier.sh test result processing (LP: #2006546)
    - selftests: net: return non-zero for failures reported in
      arp_ndisc_evict_nocarrier

  * Make cm32181 sensor work after system suspend (LP: #1981773)
    - iio: light: cm32181: Add PM support

  * Fix Thunderbolt device hotplug fail when connect via thunderbolt dock
    (LP: #1991366)
    - PCI: Fix used_buses calculation in pci_scan_child_bus_extend()
    - PCI: Pass available buses even if the bridge is already configured
    - PCI: Move pci_assign_unassigned_root_bus_resources()
    - PCI: Fix whitespace and indentation
    - PCI: Fix typo in pci_scan_child_bus_extend()

  * arp_ndisc_evict_nocarrier.sh in net from ubuntu_kernel_selftests failed on
    J-oem-5.17 / K (LP: #1968310)
    - selftests: net: fix cleanup_v6() for arp_ndisc_evict_nocarrier

  * Screen freeze after resuming from suspend (nvme0: I/O timeout)
    (LP: #1996048)
    - PCI: vmd: Disable MSI remapping after suspend

  * RaptorLake: Fix the Screen is shaking by onboard HDMI port in mirror mode
    (LP: #1993561)
    - drm/i915/display: Drop check for doublescan mode in modevalid
    - drm/i915/display: Prune Interlace modes for Display >=12

  * udpgro_frglist.sh in net from ubuntu_kernel_selftests failed with K-5.19
    (Missing nat6to4 helper) (LP: #2000708)
    - selftests/net: mv bpf/nat6to4.c to net folder

  * selftests/.../nat6to4 breaks the selftests build (LP: #1996536)
    - selftests: net: Add cross-compilation support for BPF programs
    - selftests: net: Fix O=dir builds

  * CVE-2023-0266 // CVE-2023-0266 was assigned for this issue.
    - ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF

  * CVE-2022-4382
    - USB: gadgetfs: Fix race between mounting and unmounting

  * CVE-2022-2196
    - KVM: VMX: Execute IBPB on emulated VM-exit when guest has IBRS

  * ubuntu_kernel_selftests: net:udpgso_bench.sh failed (LP: #1951447)
    - selftests: net: udpgso_bench: Fix racing bug between the rx/tx programs

  * Kinetic update: upstream...

This bug is awaiting verification that the linux-aws/5.19.0-1023.24 kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed-kinetic' to 'verification-done-kinetic'. If the problem still exists, change the tag 'verification-needed-kinetic' to 'verification-failed-kinetic'.

If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you!

This bug is awaiting verification that the linux-azure/5.19.0-1023.24 kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed-kinetic' to 'verification-done-kinetic'. If the problem still exists, change the tag 'verification-needed-kinetic' to 'verification-failed-kinetic'.

If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you!

This bug is awaiting verification that the linux-nvidia-5.19/5.19.0-1009.9 kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed-jammy' to 'verification-done-jammy'. If the problem still exists, change the tag 'verification-needed-jammy' to 'verification-failed-jammy'.

If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you!

Verified with kinetic linux-aws/5.19.0-1023.24 and linux-azure/5.19.0-1023.24, test passed as expected.

Hints removed, closing this bug.