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[Bug 2041614] [NEW] test_verifier in ubuntu_bpf failed with 48 test cases on J-5.15 openstack ppc64el

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Public bug reported:

Issue found with J-generic-5.15.0-88.98 on Openstack ppc64el instance.

After the ubuntu_bpf build issue (bug 2035181) fixed, test in ubuntu_bpf
can be tested and reporting failures. There are 48 failures reported on
this instance.

The failures are identical to J-arm64k, which failed with 47 test cases. 
One extra failure in J-ppc64el is:
#144/p bpf_get_task_stack return R0 range is refined FAIL

Here is the complete 48 failed test cases:
  #21/u BPF_ATOMIC_AND without fetch FAIL
  #21/p BPF_ATOMIC_AND without fetch FAIL
  #22/u BPF_ATOMIC_AND with fetch FAIL
  #22/p BPF_ATOMIC_AND with fetch FAIL
  #23/u BPF_ATOMIC_AND with fetch 32bit FAIL
  #23/p BPF_ATOMIC_AND with fetch 32bit FAIL
  #24/u BPF_ATOMIC_AND with fetch - r0 as source reg FAIL
  #24/p BPF_ATOMIC_AND with fetch - r0 as source reg FAIL
  #25/p BPF_ATOMIC bounds propagation, mem->reg FAIL
  #26/u atomic compare-and-exchange smoketest - 64bit FAIL
  #26/p atomic compare-and-exchange smoketest - 64bit FAIL
  #27/u atomic compare-and-exchange smoketest - 32bit FAIL
  #27/p atomic compare-and-exchange smoketest - 32bit FAIL
  #30/u BPF_W cmpxchg should zero top 32 bits FAIL
  #30/p BPF_W cmpxchg should zero top 32 bits FAIL
  #31/p Dest pointer in r0 - succeed, check 2 FAIL
  #33/p Dest pointer in r0 - succeed, check 4 FAIL
  #35/u BPF_ATOMIC_FETCH_ADD smoketest - 64bit FAIL
  #35/p BPF_ATOMIC_FETCH_ADD smoketest - 64bit FAIL
  #36/u BPF_ATOMIC_FETCH_ADD smoketest - 32bit FAIL
  #36/p BPF_ATOMIC_FETCH_ADD smoketest - 32bit FAIL
  #41/u BPF_ATOMIC OR without fetch FAIL
  #41/p BPF_ATOMIC OR without fetch FAIL
  #42/u BPF_ATOMIC OR with fetch FAIL
  #42/p BPF_ATOMIC OR with fetch FAIL
  #43/u BPF_ATOMIC OR with fetch 32bit FAIL
  #43/p BPF_ATOMIC OR with fetch 32bit FAIL
  #44/u BPF_W atomic_fetch_or should zero top 32 bits FAIL
  #44/p BPF_W atomic_fetch_or should zero top 32 bits FAIL
  #45/u atomic exchange smoketest - 64bit FAIL
  #45/p atomic exchange smoketest - 64bit FAIL
  #46/u atomic exchange smoketest - 32bit FAIL
  #46/p atomic exchange smoketest - 32bit FAIL
  #47/u BPF_ATOMIC XOR without fetch FAIL
  #47/p BPF_ATOMIC XOR without fetch FAIL
  #48/u BPF_ATOMIC XOR with fetch FAIL
  #48/p BPF_ATOMIC XOR with fetch FAIL
  #49/u BPF_ATOMIC XOR with fetch 32bit FAIL
  #49/p BPF_ATOMIC XOR with fetch 32bit FAIL
  #144/p bpf_get_task_stack return R0 range is refined FAIL
  #150/p calls: trigger reg2btf_ids[reg->type] for reg->type > __BPF_REG_TYPE_MAX FAIL
  #797/p precise: ST insn causing spi > allocated_stack FAIL
  #867/u reference tracking: try to leak released ptr reg Failed to create hash map 'Invalid argument'!
  #867/p reference tracking: try to leak released ptr reg Failed to create hash map 'Invalid argument'!
  #944/u check valid spill/fill, ptr to mem Failed to create hash map 'Invalid argument'!
  #944/p check valid spill/fill, ptr to mem Failed to create hash map 'Invalid argument'!
  #945/u check with invalid reg offset 0 Failed to create hash map 'Invalid argument'!
  #945/p check with invalid reg offset 0 Failed to create hash map 'Invalid argument'!

Please find attachment for the complete test report.

** Affects: ubuntu-kernel-tests
     Importance: Undecided
         Status: New


** Tags: 5.15 jammy ppc64el sru-20231002 ubuntu-bpf

** Attachment added: "j-ppc-bpf-test-verifier.log"
   https://bugs.launchpad.net/bugs/2041614/+attachment/5713749/+files/j-ppc-bpf-test-verifier.log

** Tags added: 5.15 jammy ppc64el sru-20231002 ubuntu-bpf

** Summary changed:

-  test_verifier in ubuntu_bpf failed with 48 test cases on J-5.15 ppc64el
+ test_verifier in ubuntu_bpf failed with 48 test cases on J-5.15 ppc64el openstack

** Summary changed:

- test_verifier in ubuntu_bpf failed with 48 test cases on J-5.15 ppc64el openstack
+ test_verifier in ubuntu_bpf failed with 48 test cases on J-5.15 openstack ppc64el

-- 
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https://bugs.launchpad.net/bugs/2041614

Title:
  test_verifier in ubuntu_bpf failed with 48 test cases on J-5.15
  openstack ppc64el

Status in ubuntu-kernel-tests:
  New

Bug description:
  Issue found with J-generic-5.15.0-88.98 on Openstack ppc64el instance.

  After the ubuntu_bpf build issue (bug 2035181) fixed, test in
  ubuntu_bpf can be tested and reporting failures. There are 48 failures
  reported on this instance.

  The failures are identical to J-arm64k, which failed with 47 test cases. 
  One extra failure in J-ppc64el is:
  #144/p bpf_get_task_stack return R0 range is refined FAIL

  Here is the complete 48 failed test cases:
    #21/u BPF_ATOMIC_AND without fetch FAIL
    #21/p BPF_ATOMIC_AND without fetch FAIL
    #22/u BPF_ATOMIC_AND with fetch FAIL
    #22/p BPF_ATOMIC_AND with fetch FAIL
    #23/u BPF_ATOMIC_AND with fetch 32bit FAIL
    #23/p BPF_ATOMIC_AND with fetch 32bit FAIL
    #24/u BPF_ATOMIC_AND with fetch - r0 as source reg FAIL
    #24/p BPF_ATOMIC_AND with fetch - r0 as source reg FAIL
    #25/p BPF_ATOMIC bounds propagation, mem->reg FAIL
    #26/u atomic compare-and-exchange smoketest - 64bit FAIL
    #26/p atomic compare-and-exchange smoketest - 64bit FAIL
    #27/u atomic compare-and-exchange smoketest - 32bit FAIL
    #27/p atomic compare-and-exchange smoketest - 32bit FAIL
    #30/u BPF_W cmpxchg should zero top 32 bits FAIL
    #30/p BPF_W cmpxchg should zero top 32 bits FAIL
    #31/p Dest pointer in r0 - succeed, check 2 FAIL
    #33/p Dest pointer in r0 - succeed, check 4 FAIL
    #35/u BPF_ATOMIC_FETCH_ADD smoketest - 64bit FAIL
    #35/p BPF_ATOMIC_FETCH_ADD smoketest - 64bit FAIL
    #36/u BPF_ATOMIC_FETCH_ADD smoketest - 32bit FAIL
    #36/p BPF_ATOMIC_FETCH_ADD smoketest - 32bit FAIL
    #41/u BPF_ATOMIC OR without fetch FAIL
    #41/p BPF_ATOMIC OR without fetch FAIL
    #42/u BPF_ATOMIC OR with fetch FAIL
    #42/p BPF_ATOMIC OR with fetch FAIL
    #43/u BPF_ATOMIC OR with fetch 32bit FAIL
    #43/p BPF_ATOMIC OR with fetch 32bit FAIL
    #44/u BPF_W atomic_fetch_or should zero top 32 bits FAIL
    #44/p BPF_W atomic_fetch_or should zero top 32 bits FAIL
    #45/u atomic exchange smoketest - 64bit FAIL
    #45/p atomic exchange smoketest - 64bit FAIL
    #46/u atomic exchange smoketest - 32bit FAIL
    #46/p atomic exchange smoketest - 32bit FAIL
    #47/u BPF_ATOMIC XOR without fetch FAIL
    #47/p BPF_ATOMIC XOR without fetch FAIL
    #48/u BPF_ATOMIC XOR with fetch FAIL
    #48/p BPF_ATOMIC XOR with fetch FAIL
    #49/u BPF_ATOMIC XOR with fetch 32bit FAIL
    #49/p BPF_ATOMIC XOR with fetch 32bit FAIL
    #144/p bpf_get_task_stack return R0 range is refined FAIL
    #150/p calls: trigger reg2btf_ids[reg->type] for reg->type > __BPF_REG_TYPE_MAX FAIL
    #797/p precise: ST insn causing spi > allocated_stack FAIL
    #867/u reference tracking: try to leak released ptr reg Failed to create hash map 'Invalid argument'!
    #867/p reference tracking: try to leak released ptr reg Failed to create hash map 'Invalid argument'!
    #944/u check valid spill/fill, ptr to mem Failed to create hash map 'Invalid argument'!
    #944/p check valid spill/fill, ptr to mem Failed to create hash map 'Invalid argument'!
    #945/u check with invalid reg offset 0 Failed to create hash map 'Invalid argument'!
    #945/p check with invalid reg offset 0 Failed to create hash map 'Invalid argument'!

  Please find attachment for the complete test report.

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