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[Po-Hsu Lin <2034010@xxxxxxxxxxxxxxxxxx>]

This is affecting F-5.4.0-166.183 s390x on openstack as well:

  #595/p ld_abs: vlan + abs, test 1 FAIL 
  Failed to load prog 'Success'!  
  verification time 487471 usec
  stack depth 0
  processed 31747 insns (limit 1000000) max_states_per_insn 0 total_states 299 peak_states 299 mark_read 1 
  #597/p ld_abs: jump around ld_abs FAIL 
  Failed to load prog 'Success'!  
  verification time 2872244 usec  
  stack depth 0
  processed 4682 insns (limit 1000000) max_states_per_insn 0 total_states 1 peak_states 1 mark_read 1
  #602/p ld_dw: xor semi-random 64 bit imms, test 5 FAIL
  Failed to load prog 'Success'!  
  verification time 202905 usec
  stack depth 0
  processed 666667 insns (limit 1000000) max_states_per_insn 0 total_states 0 peak_states 0 mark_read 0
  #777/p scale: scale test 1 FAIL 
  Failed to load prog 'Success'!  
  verification time 301867 usec
  stack depth 512
  processed 995905 insns (limit 1000000) max_states_per_insn 0 total_states 6827 peak_states 6827 mark_read 1
  #778/p scale: scale test 2 FAIL 
  Failed to load prog 'Success'!  
  verification time 477136 usec
  stack depth 0+0+0+0+0+0+0+288

Summary: 1608 PASSED, 0 SKIPPED, 5 FAILED

** Tags added: sru-20231002 ubuntu-bpf

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https://bugs.launchpad.net/bugs/2034010

Title:
  ubuntu_bpf:test_verifier 5 failures with 5.4 kernel on s390x cloud

Status in ubuntu-kernel-tests:
  New

Bug description:
  Cycle: 2023.08.07
  Series: focal:linux and bionic:hwe-5.4
  Version: 5.4.0-162

  Not a new regression, as seen last cycle (2023.07.10) on hwe-5.4
  (5.4.0-156.173~18.04.1). It is the first time we have tested this on
  cloud. It fails only on s390x arch.

  Tests that failed:

  10:13:03 DEBUG| [stdout] #595/p ld_abs: vlan + abs, test 1 FAIL
  10:13:03 DEBUG| [stdout] Failed to load prog 'Success'!
  1

  ...

  10:13:03 DEBUG| [stdout] #596/p ld_abs: vlan + abs, test 2 OK
  10:13:03 DEBUG| [stdout] #597/p ld_abs: jump around ld_abs FAIL
  10:13:03 DEBUG| [stdout] Failed to load prog 'Success'!

  ...

  10:13:03 DEBUG| [stdout] #598/p ld_dw: xor semi-random 64 bit imms, test 1 OK
  10:13:03 DEBUG| [stdout] #599/p ld_dw: xor semi-random 64 bit imms, test 2 OK
  10:13:03 DEBUG| [stdout] #600/p ld_dw: xor semi-random 64 bit imms, test 3 OK
  10:13:03 DEBUG| [stdout] #601/p ld_dw: xor semi-random 64 bit imms, test 4 OK
  10:13:03 DEBUG| [stdout] #602/p ld_dw: xor semi-random 64 bit imms, test 5 FAIL

  ...

  10:13:03 DEBUG| [stdout] #776/p runtime/jit: pass > 32bit index to tail_call OK
  10:13:03 DEBUG| [stdout] #777/p scale: scale test 1 FAIL

  ...

  10:13:04 DEBUG| [stdout] #778/p scale: scale test 2 FAIL

  ....
  10:13:04 DEBUG| [stdout] Summary: 1608 PASSED, 0 SKIPPED, 5 FAILED

  Full logs are attached

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