This patch has already landed on 5.13 Unstable:
https://kernel.ubuntu.com/git/ubuntu/unstable.git/commit/tools/testing/selftests/net?id=0ab109df63bd6d4947fb941a17eabbaff6e75c4d

** Description changed:

  [Impact]
  The IPv6: mtu exception plus redirect test in icmp_redirect.sh test from 
kselftest/net is expected to fail due to an unfixed bug in the IPv6 logic.
  
  When trying to run this test you will see this sub test fail with:
  TEST: IPv6: mtu exception plus redirect                             [FAIL]
  
  thus causing non-zero return value for this script.
  
- 
  [Fix]
  * 0a36a75c681880 selftests: icmp_redirect: support expected failures
  
- This fix can be cherry-picked into all affected series.
+ This fix can be cherry-picked into all affected series. And it has
+ already landed on Unstable, test passed with Impish 5.13.
  
  [Test]
  Run the patched icmp_redirect.sh test manually in 
tools/testing/selftests/net, this sub-test will be marked as XFAIL, and the 
return value of this script will be 0:
  $ sudo ./icmp_redirect.sh
  ....
  ###########################################################################
  Routing with nexthop objects and VRF
  ###########################################################################
  TEST: IPv6: mtu exception plus redirect                             [XFAIL]
  
  Tests passed:  36
  Tests failed:   0
  Tests xfailed:   4
  $ echo $?
  0
  
  [Where problems could occur]
  Change limited to testing tool, not affecting real kernel functionality. The 
only possible issue that I can think of is that as this script is no longer 
complaining about this failure, people might forgot there is such an issue 
exist in ipv6.
  
  [Original Bug Report]
  Issue found on Focal 5.6.0-1011.11-oem
  
  
ubuntu@rizzo:~/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/net$
  sudo ./icmp_redirect.sh
  
  ###########################################################################
  Legacy routing
  ###########################################################################
  
  TEST: IPv4: redirect exception                                      [ OK ]
  TEST: IPv6: redirect exception                                      [ OK ]
  TEST: IPv4: redirect exception plus mtu                             [ OK ]
  TEST: IPv6: redirect exception plus mtu                             [ OK ]
  TEST: IPv4: routing reset                                           [ OK ]
  TEST: IPv6: routing reset                                           [ OK ]
  TEST: IPv4: mtu exception                                           [ OK ]
  TEST: IPv6: mtu exception                                           [ OK ]
  TEST: IPv4: mtu exception plus redirect                             [ OK ]
  TEST: IPv6: mtu exception plus redirect                             [FAIL]
  
  ###########################################################################
  Legacy routing with VRF
  ###########################################################################
  
  TEST: IPv4: redirect exception                                      [ OK ]
  TEST: IPv6: redirect exception                                      [ OK ]
  TEST: IPv4: redirect exception plus mtu                             [ OK ]
  TEST: IPv6: redirect exception plus mtu                             [ OK ]
  TEST: IPv4: routing reset                                           [ OK ]
  TEST: IPv6: routing reset                                           [ OK ]
  TEST: IPv4: mtu exception                                           [ OK ]
  TEST: IPv6: mtu exception                                           [ OK ]
  TEST: IPv4: mtu exception plus redirect                             [ OK ]
  TEST: IPv6: mtu exception plus redirect                             [FAIL]
  
  ###########################################################################
  Routing with nexthop objects
  ###########################################################################
  
  TEST: IPv4: redirect exception                                      [ OK ]
  TEST: IPv6: redirect exception                                      [ OK ]
  TEST: IPv4: redirect exception plus mtu                             [ OK ]
  TEST: IPv6: redirect exception plus mtu                             [ OK ]
  TEST: IPv4: routing reset                                           [ OK ]
  TEST: IPv6: routing reset                                           [ OK ]
  TEST: IPv4: mtu exception                                           [ OK ]
  TEST: IPv6: mtu exception                                           [ OK ]
  TEST: IPv4: mtu exception plus redirect                             [ OK ]
  TEST: IPv6: mtu exception plus redirect                             [FAIL]
  
  ###########################################################################
  Routing with nexthop objects and VRF
  ###########################################################################
  
  TEST: IPv4: redirect exception                                      [ OK ]
  TEST: IPv6: redirect exception                                      [ OK ]
  TEST: IPv4: redirect exception plus mtu                             [ OK ]
  TEST: IPv6: redirect exception plus mtu                             [ OK ]
  TEST: IPv4: routing reset                                           [ OK ]
  TEST: IPv6: routing reset                                           [ OK ]
  TEST: IPv4: mtu exception                                           [ OK ]
  TEST: IPv6: mtu exception                                           [ OK ]
  TEST: IPv4: mtu exception plus redirect                             [ OK ]
  TEST: IPv6: mtu exception plus redirect                             [FAIL]
  
  Tests passed:  36
  Tests failed:   4
  
  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: linux-image-5.6.0-1011-oem 5.6.0-1011.11
  ProcVersionSignature: User Name 5.6.0-1011.11-oem 5.6.14
  Uname: Linux 5.6.0-1011-oem x86_64
  ApportVersion: 2.20.11-0ubuntu27
  Architecture: amd64
  CasperMD5CheckResult: skip
  Date: Tue May 26 05:26:50 2020
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=C.UTF-8
   SHELL=/bin/bash
  SourcePackage: linux-signed-oem-5.6
  UpgradeStatus: No upgrade log present (probably fresh install)

** Description changed:

  [Impact]
  The IPv6: mtu exception plus redirect test in icmp_redirect.sh test from 
kselftest/net is expected to fail due to an unfixed bug in the IPv6 logic.
  
  When trying to run this test you will see this sub test fail with:
  TEST: IPv6: mtu exception plus redirect                             [FAIL]
  
  thus causing non-zero return value for this script.
  
  [Fix]
  * 0a36a75c681880 selftests: icmp_redirect: support expected failures
  
  This fix can be cherry-picked into all affected series. And it has
  already landed on Unstable, test passed with Impish 5.13.
+ 
+ Note that we have this script in Focal kernel, although it's not tested,
+ this is another issue that will be dealt in a different bug report.
  
  [Test]
  Run the patched icmp_redirect.sh test manually in 
tools/testing/selftests/net, this sub-test will be marked as XFAIL, and the 
return value of this script will be 0:
  $ sudo ./icmp_redirect.sh
  ....
  ###########################################################################
  Routing with nexthop objects and VRF
  ###########################################################################
  TEST: IPv6: mtu exception plus redirect                             [XFAIL]
  
  Tests passed:  36
  Tests failed:   0
  Tests xfailed:   4
  $ echo $?
  0
  
  [Where problems could occur]
  Change limited to testing tool, not affecting real kernel functionality. The 
only possible issue that I can think of is that as this script is no longer 
complaining about this failure, people might forgot there is such an issue 
exist in ipv6.
  
  [Original Bug Report]
  Issue found on Focal 5.6.0-1011.11-oem
  
  
ubuntu@rizzo:~/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/net$
  sudo ./icmp_redirect.sh
  
  ###########################################################################
  Legacy routing
  ###########################################################################
  
  TEST: IPv4: redirect exception                                      [ OK ]
  TEST: IPv6: redirect exception                                      [ OK ]
  TEST: IPv4: redirect exception plus mtu                             [ OK ]
  TEST: IPv6: redirect exception plus mtu                             [ OK ]
  TEST: IPv4: routing reset                                           [ OK ]
  TEST: IPv6: routing reset                                           [ OK ]
  TEST: IPv4: mtu exception                                           [ OK ]
  TEST: IPv6: mtu exception                                           [ OK ]
  TEST: IPv4: mtu exception plus redirect                             [ OK ]
  TEST: IPv6: mtu exception plus redirect                             [FAIL]
  
  ###########################################################################
  Legacy routing with VRF
  ###########################################################################
  
  TEST: IPv4: redirect exception                                      [ OK ]
  TEST: IPv6: redirect exception                                      [ OK ]
  TEST: IPv4: redirect exception plus mtu                             [ OK ]
  TEST: IPv6: redirect exception plus mtu                             [ OK ]
  TEST: IPv4: routing reset                                           [ OK ]
  TEST: IPv6: routing reset                                           [ OK ]
  TEST: IPv4: mtu exception                                           [ OK ]
  TEST: IPv6: mtu exception                                           [ OK ]
  TEST: IPv4: mtu exception plus redirect                             [ OK ]
  TEST: IPv6: mtu exception plus redirect                             [FAIL]
  
  ###########################################################################
  Routing with nexthop objects
  ###########################################################################
  
  TEST: IPv4: redirect exception                                      [ OK ]
  TEST: IPv6: redirect exception                                      [ OK ]
  TEST: IPv4: redirect exception plus mtu                             [ OK ]
  TEST: IPv6: redirect exception plus mtu                             [ OK ]
  TEST: IPv4: routing reset                                           [ OK ]
  TEST: IPv6: routing reset                                           [ OK ]
  TEST: IPv4: mtu exception                                           [ OK ]
  TEST: IPv6: mtu exception                                           [ OK ]
  TEST: IPv4: mtu exception plus redirect                             [ OK ]
  TEST: IPv6: mtu exception plus redirect                             [FAIL]
  
  ###########################################################################
  Routing with nexthop objects and VRF
  ###########################################################################
  
  TEST: IPv4: redirect exception                                      [ OK ]
  TEST: IPv6: redirect exception                                      [ OK ]
  TEST: IPv4: redirect exception plus mtu                             [ OK ]
  TEST: IPv6: redirect exception plus mtu                             [ OK ]
  TEST: IPv4: routing reset                                           [ OK ]
  TEST: IPv6: routing reset                                           [ OK ]
  TEST: IPv4: mtu exception                                           [ OK ]
  TEST: IPv6: mtu exception                                           [ OK ]
  TEST: IPv4: mtu exception plus redirect                             [ OK ]
  TEST: IPv6: mtu exception plus redirect                             [FAIL]
  
  Tests passed:  36
  Tests failed:   4
  
  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: linux-image-5.6.0-1011-oem 5.6.0-1011.11
  ProcVersionSignature: User Name 5.6.0-1011.11-oem 5.6.14
  Uname: Linux 5.6.0-1011-oem x86_64
  ApportVersion: 2.20.11-0ubuntu27
  Architecture: amd64
  CasperMD5CheckResult: skip
  Date: Tue May 26 05:26:50 2020
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=C.UTF-8
   SHELL=/bin/bash
  SourcePackage: linux-signed-oem-5.6
  UpgradeStatus: No upgrade log present (probably fresh install)

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-oem-5.6 in Ubuntu.
https://bugs.launchpad.net/bugs/1880645

Title:
  icmp_redirect.sh in net from ubuntu_kernel_selftests failed on
  F-OEM-5.6 / G / H

Status in ubuntu-kernel-tests:
  In Progress
Status in linux package in Ubuntu:
  Fix Released
Status in linux-oem-5.10 package in Ubuntu:
  Invalid
Status in linux-oem-5.13 package in Ubuntu:
  Invalid
Status in linux-oem-5.6 package in Ubuntu:
  Invalid
Status in linux source package in Focal:
  Invalid
Status in linux-oem-5.10 source package in Focal:
  In Progress
Status in linux-oem-5.13 source package in Focal:
  In Progress
Status in linux-oem-5.6 source package in Focal:
  Confirmed
Status in linux source package in Groovy:
  In Progress
Status in linux-oem-5.10 source package in Groovy:
  Invalid
Status in linux-oem-5.13 source package in Groovy:
  Invalid
Status in linux-oem-5.6 source package in Groovy:
  Invalid
Status in linux source package in Hirsute:
  In Progress
Status in linux-oem-5.10 source package in Hirsute:
  Invalid
Status in linux-oem-5.13 source package in Hirsute:
  Invalid
Status in linux-oem-5.6 source package in Hirsute:
  Invalid

Bug description:
  [Impact]
  The IPv6: mtu exception plus redirect test in icmp_redirect.sh test from 
kselftest/net is expected to fail due to an unfixed bug in the IPv6 logic.

  When trying to run this test you will see this sub test fail with:
  TEST: IPv6: mtu exception plus redirect                             [FAIL]

  thus causing non-zero return value for this script.

  [Fix]
  * 0a36a75c681880 selftests: icmp_redirect: support expected failures

  This fix can be cherry-picked into all affected series. And it has
  already landed on Unstable, test passed with Impish 5.13.

  Note that we have this script in Focal kernel, although it's not
  tested, this is another issue that will be dealt in a different bug
  report.

  [Test]
  Run the patched icmp_redirect.sh test manually in 
tools/testing/selftests/net, this sub-test will be marked as XFAIL, and the 
return value of this script will be 0:
  $ sudo ./icmp_redirect.sh
  ....
  ###########################################################################
  Routing with nexthop objects and VRF
  ###########################################################################
  TEST: IPv6: mtu exception plus redirect                             [XFAIL]

  Tests passed:  36
  Tests failed:   0
  Tests xfailed:   4
  $ echo $?
  0

  [Where problems could occur]
  Change limited to testing tool, not affecting real kernel functionality. The 
only possible issue that I can think of is that as this script is no longer 
complaining about this failure, people might forgot there is such an issue 
exist in ipv6.

  [Original Bug Report]
  Issue found on Focal 5.6.0-1011.11-oem

  
ubuntu@rizzo:~/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/net$
  sudo ./icmp_redirect.sh

  ###########################################################################
  Legacy routing
  ###########################################################################

  TEST: IPv4: redirect exception                                      [ OK ]
  TEST: IPv6: redirect exception                                      [ OK ]
  TEST: IPv4: redirect exception plus mtu                             [ OK ]
  TEST: IPv6: redirect exception plus mtu                             [ OK ]
  TEST: IPv4: routing reset                                           [ OK ]
  TEST: IPv6: routing reset                                           [ OK ]
  TEST: IPv4: mtu exception                                           [ OK ]
  TEST: IPv6: mtu exception                                           [ OK ]
  TEST: IPv4: mtu exception plus redirect                             [ OK ]
  TEST: IPv6: mtu exception plus redirect                             [FAIL]

  ###########################################################################
  Legacy routing with VRF
  ###########################################################################

  TEST: IPv4: redirect exception                                      [ OK ]
  TEST: IPv6: redirect exception                                      [ OK ]
  TEST: IPv4: redirect exception plus mtu                             [ OK ]
  TEST: IPv6: redirect exception plus mtu                             [ OK ]
  TEST: IPv4: routing reset                                           [ OK ]
  TEST: IPv6: routing reset                                           [ OK ]
  TEST: IPv4: mtu exception                                           [ OK ]
  TEST: IPv6: mtu exception                                           [ OK ]
  TEST: IPv4: mtu exception plus redirect                             [ OK ]
  TEST: IPv6: mtu exception plus redirect                             [FAIL]

  ###########################################################################
  Routing with nexthop objects
  ###########################################################################

  TEST: IPv4: redirect exception                                      [ OK ]
  TEST: IPv6: redirect exception                                      [ OK ]
  TEST: IPv4: redirect exception plus mtu                             [ OK ]
  TEST: IPv6: redirect exception plus mtu                             [ OK ]
  TEST: IPv4: routing reset                                           [ OK ]
  TEST: IPv6: routing reset                                           [ OK ]
  TEST: IPv4: mtu exception                                           [ OK ]
  TEST: IPv6: mtu exception                                           [ OK ]
  TEST: IPv4: mtu exception plus redirect                             [ OK ]
  TEST: IPv6: mtu exception plus redirect                             [FAIL]

  ###########################################################################
  Routing with nexthop objects and VRF
  ###########################################################################

  TEST: IPv4: redirect exception                                      [ OK ]
  TEST: IPv6: redirect exception                                      [ OK ]
  TEST: IPv4: redirect exception plus mtu                             [ OK ]
  TEST: IPv6: redirect exception plus mtu                             [ OK ]
  TEST: IPv4: routing reset                                           [ OK ]
  TEST: IPv6: routing reset                                           [ OK ]
  TEST: IPv4: mtu exception                                           [ OK ]
  TEST: IPv6: mtu exception                                           [ OK ]
  TEST: IPv4: mtu exception plus redirect                             [ OK ]
  TEST: IPv6: mtu exception plus redirect                             [FAIL]

  Tests passed:  36
  Tests failed:   4

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: linux-image-5.6.0-1011-oem 5.6.0-1011.11
  ProcVersionSignature: User Name 5.6.0-1011.11-oem 5.6.14
  Uname: Linux 5.6.0-1011-oem x86_64
  ApportVersion: 2.20.11-0ubuntu27
  Architecture: amd64
  CasperMD5CheckResult: skip
  Date: Tue May 26 05:26:50 2020
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=C.UTF-8
   SHELL=/bin/bash
  SourcePackage: linux-signed-oem-5.6
  UpgradeStatus: No upgrade log present (probably fresh install)

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