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** Tags added: verification-needed-xenial

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  test_bpf of ADT test failure with linux

Status in ubuntu-kernel-tests:
Status in linux package in Ubuntu:
Status in linux source package in Xenial:
  Fix Committed

Bug description:
  Testcase test_bpf of regressed on xenial/linux 

  What the test_bpf testcase does is only loading the test_bpf module,
  which reports the following error:

  May 20 16:57:21 autopkgtest kernel: [   88.143826] test_bpf: #250 
BPF_MAXINSNS: ld_abs+vlan_push/pop
  jited:1 ret -12 != 3055 FAIL (1 times)

  This is cased by upstream commit 636c2628086e "net: skbuff: Remove
  errornous length validation in skb_vlan_pop()" which we applied from
  stable upstream v4.4.223.

  The fix is upstream commit 0d906b1e8d40 "bpf, test: fix ld_abs + vlan 
push/pop stress test" from v4.9 which can cherry-picked to xenial.

  [Test case]
  Load the test_bpf module, it should return no errors.

  [Regression potential]
  Low. The fix changes only a bpf test module and was tested to fix the 
reported issue.

  Original bug report:
  Testing failed on:

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