canonical-ubuntu-qa team mailing list archive

[Jürg Häfliger <1826848@xxxxxxxxxxxxxxxxxx>]

** Tags added: kernel-daily-bug

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https://bugs.launchpad.net/bugs/1826848

Title:
  ip_defrag.sh in net from ubuntu_kernel_selftests failed with 5.0 / 5.3
  / 5.4 kernel

Status in ubuntu-kernel-tests:
  Fix Released
Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Disco:
  Invalid
Status in linux source package in Eoan:
  Fix Released
Status in linux source package in Focal:
  Fix Released

Bug description:
  [Impact]
  Failure to run ip_defrag deterministically.

  [Fix]
  Use smaller packets and ignore EPERM.

  [Test case]
  Run the test multiple times without observing failures.

  [Regression potential]
  If the test fix is incorrect, it will cause us to miss real kernel bugs. But as it is now, we are already ignoring its results.

  
  ==========================================================================

  Test failed becuase:
     ./ip_defrag: sendto overlap: 1400: Operation not permitted

   selftests: net: ip_defrag.sh
   ========================================
   ipv6 tx:17 gso:1 (fail)
   OK
   ipv4 defrag
   PASS
   seed = 1556203721
   ipv4 defrag with overlaps
   PASS
   seed = 1556203722
   ipv6 defrag
   seed = 1556203756
   PASS
   ipv6 defrag with overlaps
   seed = 1556203756
   ./ip_defrag: sendto overlap: 1400: Operation not permitted
   not ok 1..17 selftests: net: ip_defrag.sh [FAIL]

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