Testcase completed successfully with bionic/linux-hwe-5.0
5.0.0-48.52~18.04.1 - generic .

** Tags removed: verification-needed-bionic
** Tags added: verification-done-bionic

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https://bugs.launchpad.net/bugs/1862588

Title:
  user_notification_basic in seccomp of ubuntu_kernel_selftest failed on
  Bionic-5.0 Kernels

Status in ubuntu-kernel-tests:
  Triaged
Status in linux package in Ubuntu:
  Invalid
Status in linux-aws package in Ubuntu:
  New
Status in linux-gcp package in Ubuntu:
  New
Status in linux-signed-oracle-5.0 package in Ubuntu:
  New
Status in linux source package in Bionic:
  Invalid
Status in linux-aws source package in Bionic:
  New
Status in linux-gcp source package in Bionic:
  New
Status in linux-signed-oracle-5.0 source package in Bionic:
  New
Status in linux source package in Disco:
  Fix Committed
Status in linux-aws source package in Disco:
  New
Status in linux-gcp source package in Disco:
  New
Status in linux-signed-oracle-5.0 source package in Disco:
  New
Status in linux source package in Eoan:
  Fix Committed
Status in linux-aws source package in Eoan:
  New
Status in linux-gcp source package in Eoan:
  New
Status in linux-signed-oracle-5.0 source package in Eoan:
  New

Bug description:
  [Impact]
  Running seccomp kernel selftests will fail.

  [Test case]
  Run linux/tools/testing/selftests/seccomp/seccomp_bpf.

  On failure:

  seccomp_bpf.c:3149:global.user_notification_basic:Expected -1 
(18446744073709551615) == ret (0)
  seccomp_bpf.c:3150:global.user_notification_basic:Expected EINVAL (22) == 
errno (0)
  global.user_notification_basic: Test failed at step #3
  [     FAIL ] global.user_notification_basic

  On success:

  [ RUN      ] global.user_notification_basic
  [       OK ] global.user_notification_basic

  
  [Regression potential]
  The test is checking that the given structure which the kernel will write to 
is all zeroes. It's doing it because it wants userspace to have the possibility 
in the future to give data there indicating support for an extension that might 
be developed in the future. As the test is there right now, not applying the 
breaking uABI fix might cause us to miss applications that would break in 
future kernels. As the backport for that is prone for more regression 
potential, we are deciding to revert the new test.

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

  Issue found on Oracle Bionic 5.0 (oracle : 5.0.0-1011.16 : amd64)

  [ RUN      ] global.user_notification_basic
  seccomp_bpf.c:3149:global.user_notification_basic:Expected -1 
(18446744073709551615) == ret (0)
  seccomp_bpf.c:3150:global.user_notification_basic:Expected EINVAL (22) == 
errno (0)
  global.user_notification_basic: Test failed at step #3
  [     FAIL ] global.user_notification_basic

  This cannot be reproduced with the kselftest in older kernel, probably
  a test case issue.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: linux-image-5.0.0-1011-oracle 5.0.0-1011.16
  ProcVersionSignature: User Name 5.0.0-1011.16-oracle 5.0.21
  Uname: Linux 5.0.0-1011-oracle x86_64
  ApportVersion: 2.20.9-0ubuntu7.10
  Architecture: amd64
  Date: Mon Feb 10 05:17:54 2020
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=C.UTF-8
   SHELL=/bin/bash
  SourcePackage: linux-signed-oracle-5.0
  UpgradeStatus: No upgrade log present (probably fresh install)

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