https://lists.ubuntu.com/archives/kernel-team/2019-September/103952.html

** Description changed:

+ BugLink: https://bugs.launchpad.net/bugs/1836261
+ 
+ [Impact]
+ 
+ Upstream has recently received a number of bug fixes that resolve kernel 
panics,
+ memory leaks, and list handling for virtual xfrm interfaces that were debuted 
in
+ 4.19.
+ 
+ [Test Case]
+ 
+ 3 of the 5 patches have test cases in their commit message for reproducing the
+ fault they address.
+ 
+ Another patch prevents including a stale name in the log files.
+ 
+ And the other patch that doesn't have an explicit test case improves list
+ handling.
+ 
+ [Regression Potential]
+ 
+ This patchset contains a nontrivial amount of changes. However, the heavier
+ patches contain test cases that they resolve the regressions they were created
+ for. They've been upstream since July and I don't see any follow up Fixes
+ commits targeting these. The blast radius is "only" the xfrm interface but 
this
+ is smoke tested and if any dependents rely on it for core functionality they
+ might exercise it and would possibly notice any issues by now as well.
+ 
+ 
+ Original bug description follows:
+ --------------------------------------------
+ 
  There was several problems reported upstream:
  
  1/ 56c5ee1a5823: xfrm interface: fix memory leak on creation
  
https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=56c5ee1a5823
  
  2/ xfrm interface: avoid corruption on changelink
  http://patchwork.ozlabs.org/patch/1130240/
  
  3/ xfrm interface: ifname may be wrong in logs
  http://patchwork.ozlabs.org/patch/1130241/
  
  4/ xfrm interface: fix list corruption for x-netns
  http://patchwork.ozlabs.org/patch/1130385/

** Description changed:

  BugLink: https://bugs.launchpad.net/bugs/1836261
  
  [Impact]
  
- Upstream has recently received a number of bug fixes that resolve kernel 
panics,
- memory leaks, and list handling for virtual xfrm interfaces that were debuted 
in
- 4.19.
+ Upstream has recently received a number of bug fixes that resolve kernel
+ panics, memory leaks, and list handling for virtual xfrm interfaces that
+ were debuted in 4.19.
  
  [Test Case]
  
- 3 of the 5 patches have test cases in their commit message for reproducing the
- fault they address.
+ 3 of the 5 patches have test cases in their commit message for
+ reproducing the fault they address.
  
  Another patch prevents including a stale name in the log files.
  
  And the other patch that doesn't have an explicit test case improves list
  handling.
  
  [Regression Potential]
  
- This patchset contains a nontrivial amount of changes. However, the heavier
- patches contain test cases that they resolve the regressions they were created
- for. They've been upstream since July and I don't see any follow up Fixes
- commits targeting these. The blast radius is "only" the xfrm interface but 
this
- is smoke tested and if any dependents rely on it for core functionality they
- might exercise it and would possibly notice any issues by now as well.
- 
+ This patchset contains a nontrivial amount of changes. However, the
+ heavier patches contain test cases that they resolve the regressions
+ they were created for. They've been upstream since July and I don't see
+ any follow up Fixes commits targeting these. The blast radius is "only"
+ the xfrm interface but this is smoke tested and if any dependents rely
+ on it for core functionality they might exercise it and would possibly
+ notice any issues by now as well.
  
  Original bug description follows:
  --------------------------------------------
  
  There was several problems reported upstream:
  
  1/ 56c5ee1a5823: xfrm interface: fix memory leak on creation
  
https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=56c5ee1a5823
  
  2/ xfrm interface: avoid corruption on changelink
  http://patchwork.ozlabs.org/patch/1130240/
  
  3/ xfrm interface: ifname may be wrong in logs
  http://patchwork.ozlabs.org/patch/1130241/
  
  4/ xfrm interface: fix list corruption for x-netns
  http://patchwork.ozlabs.org/patch/1130385/

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https://bugs.launchpad.net/bugs/1836261

Title:
  xfrm interface: several kernel panic

Status in linux package in Ubuntu:
  Incomplete
Status in linux source package in Disco:
  In Progress

Bug description:
  BugLink: https://bugs.launchpad.net/bugs/1836261

  [Impact]

  Upstream has recently received a number of bug fixes that resolve
  kernel panics, memory leaks, and list handling for virtual xfrm
  interfaces that were debuted in 4.19.

  [Test Case]

  3 of the 5 patches have test cases in their commit message for
  reproducing the fault they address.

  Another patch prevents including a stale name in the log files.

  And the other patch that doesn't have an explicit test case improves list
  handling.

  [Regression Potential]

  This patchset contains a nontrivial amount of changes. However, the
  heavier patches contain test cases that they resolve the regressions
  they were created for. They've been upstream since July and I don't
  see any follow up Fixes commits targeting these. The blast radius is
  "only" the xfrm interface but this is smoke tested and if any
  dependents rely on it for core functionality they might exercise it
  and would possibly notice any issues by now as well.

  Original bug description follows:
  --------------------------------------------

  There was several problems reported upstream:

  1/ 56c5ee1a5823: xfrm interface: fix memory leak on creation
  
https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=56c5ee1a5823

  2/ xfrm interface: avoid corruption on changelink
  http://patchwork.ozlabs.org/patch/1130240/

  3/ xfrm interface: ifname may be wrong in logs
  http://patchwork.ozlabs.org/patch/1130241/

  4/ xfrm interface: fix list corruption for x-netns
  http://patchwork.ozlabs.org/patch/1130385/

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