Re: [PATCH bpf-next v1 0/2] selftests: fix two small compilation errors

[Daniel Xu <dlxu@meta.com>]

Hi Jason,

cc bpf@vger

On 2/5/25 11:56 PM, Jason Xing wrote:
> On Thu, Feb 6, 2025 at 5:28 AM <bot+bpf-ci@kernel.org> wrote:
>> Dear patch submitter,
>>
>> CI has tested the following submission:
>> Status:     FAILURE
>> Name:       [bpf-next,v1,0/2] selftests: fix two small compilation errors
>> Patchwork:  https://patchwork.kernel.org/project/netdevbpf/list/?series=930276&state=*
>> Matrix:     https://github.com/kernel-patches/bpf/actions/runs/13165816880
>>
>> Failed jobs:
>> test_progs-aarch64-gcc: https://github.com/kernel-patches/bpf/actions/runs/13165816880/job/36746357575
> I'm afraid this has nothing to do with the series?
> Traceback (most recent call last):
> 5288 File "/tmp/work/_actions/libbpf/ci/v3/run-vmtest/print_test_summary.py",
> line 85, in <module>
> 5289 json_summary = json.load(f)
> 5290 ^^^^^^^^^^^^
> 5291 File "/usr/lib/python3.12/json/__init__.py", line 293, in load
> 5292 return loads(fp.read(),
> 5293 ^^^^^^^^^^^^^^^^
> 5294 File "/usr/lib/python3.12/json/__init__.py", line 346, in loads
> 5295 return _default_decoder.decode(s)
> 5296 ^^^^^^^^^^^^^^^^^^^^^^^^^^
> 5297 File "/usr/lib/python3.12/json/decoder.py", line 337, in decode
> 5298 obj, end = self.raw_decode(s, idx=_w(s, 0).end())
> 5299 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> 5300 File "/usr/lib/python3.12/json/decoder.py", line 355, in raw_decode
> 5301 raise JSONDecodeError("Expecting value", s, err.value) from None
> 5302json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)
> 5303Error: Process completed with exit code 2
>
> Am I missing something?

If you expand the "test_progs" section right above that, you'll see:

   Caught signal #11!
   Stack trace:
   ./test_progs(crash_handler+0x34)[0xaaaad4e05bfc]
   linux-vdso.so.1(__kernel_rt_sigreturn+0x0)[0xffff85106850]
   ./test_progs(+0x45874)[0xaaaad4a25874]
   ./test_progs(htab_lookup_elem+0x3c)[0xaaaad4a258e4]
   ./test_progs(+0x45b74)[0xaaaad4a25b74]
   ./test_progs(+0x4646c)[0xaaaad4a2646c]
   ./test_progs(test_arena_htab+0x48)[0xaaaad4a264f4]
   ./test_progs(+0x426258)[0xaaaad4e06258]
   ./test_progs(main+0x694)[0xaaaad4e080a0]
   /lib/aarch64-linux-gnu/libc.so.6(+0x284c4)[0xffff84eb84c4]
/lib/aarch64-linux-gnu/libc.so.6(__libc_start_main+0x98)[0xffff84eb8598]
   ./test_progs(_start+0x30)[0xaaaad4a1faf0]
   /tmp/work/_actions/libbpf/ci/v3/run-vmtest/run-bpf-selftests.sh: line 
26:   101 Segmentation fault      ./${selftest} ${args} --json-summary 
"${json_file}"

The infra couldn't parse the stack as json (rightly so).


Thanks,

Daniel