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[Ubuntu Kernel Bot <2015956@xxxxxxxxxxxxxxxxxx>]

This bug is awaiting verification that the linux-
aws-5.15/5.15.0-1046.51~20.04.1 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-focal-linux-
aws-5.15' to 'verification-done-focal-linux-aws-5.15'. If the problem
still exists, change the tag 'verification-needed-focal-linux-aws-5.15'
to 'verification-failed-focal-linux-aws-5.15'.

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!


** Tags added: kernel-spammed-focal-linux-aws-5.15-v2 verification-needed-focal-linux-aws-5.15

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https://bugs.launchpad.net/bugs/2015956

Title:
   selftest: fib_tests: Always cleanup before exit

Status in ubuntu-kernel-tests:
  Fix Released
Status in linux package in Ubuntu:
  Fix Released
Status in linux-oem-5.17 package in Ubuntu:
  Invalid
Status in linux-oem-6.0 package in Ubuntu:
  Invalid
Status in linux-oem-6.1 package in Ubuntu:
  Invalid
Status in linux source package in Focal:
  Fix Released
Status in linux-oem-5.17 source package in Focal:
  Invalid
Status in linux-oem-6.0 source package in Focal:
  Invalid
Status in linux-oem-6.1 source package in Focal:
  Invalid
Status in linux source package in Jammy:
  Fix Released
Status in linux-oem-5.17 source package in Jammy:
  Fix Released
Status in linux-oem-6.0 source package in Jammy:
  Fix Released
Status in linux-oem-6.1 source package in Jammy:
  Fix Released
Status in linux source package in Kinetic:
  Fix Released
Status in linux-oem-5.17 source package in Kinetic:
  Invalid
Status in linux-oem-6.0 source package in Kinetic:
  Invalid
Status in linux-oem-6.1 source package in Kinetic:
  Invalid
Status in linux source package in Lunar:
  Fix Released
Status in linux-oem-5.17 source package in Lunar:
  Invalid
Status in linux-oem-6.0 source package in Lunar:
  Invalid
Status in linux-oem-6.1 source package in Lunar:
  Invalid

Bug description:
  [Impact]
  Copied from the commit message:
  Usage of `set -e` before executing a command causes immediate exit
  on failure, without cleanup up the resources allocated at setup.
  This can affect the next tests that use the same resources,
  leading to a chain of failures.

  A simple fix is to always call cleanup function when the script exists.
  This approach is already used by other existing tests.

  [Fix]
  * b60417a9f2 selftest: fib_tests: Always cleanup before exit

  This patch can be cherry-picked into affected kernels.

  [Test]
  Run the patched fib_tests.sh on KVM kernels, which is expected to fail 
  due to bug 2007458.
  Check with `ip netns`, the ns1 added during setup() should be removed.

  [Where problems could occur]
  Test robustness improvement, this should not break things.

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