canonical-ubuntu-qa team mailing list archive

[Jürg Häfliger <1891421@xxxxxxxxxxxxxxxxxx>]

** Tags added: kernel-daily-bug

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https://bugs.launchpad.net/bugs/1891421

Title:
  kci_test_encap_fou() in rtnetlink.sh from kselftests/net failed with
  "FAIL: can't add fou port 7777, skipping test"

Status in ubuntu-kernel-tests:
  Fix Released
Status in linux package in Ubuntu:
  Fix Released
Status in linux-oem-5.6 package in Ubuntu:
  Invalid
Status in linux-oem-osp1 package in Ubuntu:
  Invalid
Status in linux source package in Bionic:
  Fix Released
Status in linux-oem-5.6 source package in Bionic:
  Invalid
Status in linux-oem-osp1 source package in Bionic:
  Fix Released
Status in linux source package in Focal:
  Fix Released
Status in linux-oem-5.6 source package in Focal:
  Fix Released
Status in linux-oem-osp1 source package in Focal:
  Invalid
Status in linux source package in Groovy:
  Fix Released
Status in linux-oem-5.6 source package in Groovy:
  Invalid
Status in linux-oem-osp1 source package in Groovy:
  Invalid

Bug description:
  == SRU Justification ==
  The kci_test_encap_fou() from kci_test_encap() in rtnetlink.sh of
  kselftests/net will fail with non-zero return value, and print:
    "FAIL: can't add fou port 7777, skipping test"

  How to reproduce this:
   devdummy="test-dummy0"
   testns="testns"
   ip netns add "$testns"
   ip netns exec "$testns" ip link set lo up
   ip netns exec "$testns" ip link add name "$devdummy" type dummy
   ip netns exec "$testns" ip link set "$devdummy" up
   ip netns exec "$testns" ip fou add port 7777 ipproto 47
  RTNETLINK answers: No such file or directory
  Error talking to the kernel

  This test would require the fou module to be loaded before it gets
  started.

  == Fix
  * 26ebd6fed9bb ("selftests: rtnetlink: load fou module for
  kci_test_encap_fou() test")

  This patch needs to be backported for series after Xenial.

  == Test ==
  Patch tested directly on the kernel tree, the test will now pass as
  expected.

  == Regression Potential ==
  Low, change limited to the testing tool.

  == Original Bug Report ==
  The kci_test_encap_fou() from kci_test_encap() in rtnetlink.sh of kselftests/net will fail with non-zero return value, and print:
    "FAIL: can't add fou port 7777, skipping test"

  How to reproduce this:
   devdummy="test-dummy0"
   testns="testns"
   ip netns add "$testns"
   ip netns exec "$testns" ip link set lo up
   ip netns exec "$testns" ip link add name "$devdummy" type dummy
   ip netns exec "$testns" ip link set "$devdummy" up
   ip netns exec "$testns" ip fou add port 7777 ipproto 47
  RTNETLINK answers: No such file or directory
  Error talking to the kernel

  This is not a regression, it's the real test result after bug 1890136
  has been fixed.

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