1:36 p.m.
On 8/10/2021 11:11 PM, Andrii Nakryiko wrote:
On Tue, Aug 10, 2021 at 4:25 AM kernel test robot
<lkp(a)intel.com> wrote:
>
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
linux-5.10.y
> head: e97bd1e03e6ef58ec47ee7f085f8c14ed6329cf7
> commit: 183d9ebd449c20658a1aaf580f311140bbc7421d [4948/4972] selftests/bpf: Fix
core_reloc test runner
> config: x86_64-rhel-8.3-kselftests (attached as .config)
> compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
> reproduce:
> # apt-get install sparse
> # sparse version: v0.6.3-348-gf0e6938b-dirty
> #
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.gi...
> git remote add linux-stable-rc
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
> git fetch --no-tags linux-stable-rc linux-5.10.y
> git checkout 183d9ebd449c20658a1aaf580f311140bbc7421d
> # save the attached .config to linux build tree
> make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir
ARCH=x86_64 SHELL=/bin/bash -C tools/testing/selftests/bpf install
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp(a)intel.com>
>
> All errors (new ones prefixed by >>):
>
> /usr/bin/ld: tools/testing/selftests/bpf/core_reloc.test.o: in function
`test_core_reloc':
>>> tools/testing/selftests/bpf/prog_tests/core_reloc.c:860: undefined reference
to `ASSERT_FALSE'
> collect2: error: ld returned 1 exit status
> --
> /usr/bin/ld: tools/testing/selftests/bpf/no_alu32/core_reloc.test.o: in function
`test_core_reloc':
>>> tools/testing/selftests/bpf/prog_tests/core_reloc.c:860: undefined reference
to `ASSERT_FALSE'
> collect2: error: ld returned 1 exit status
>
ASSERT_FALSE() macro is defined in test_progs.h, which is included
from core_reloc.c. There must be something wrong about how kernel test
robot is building selftests/bpf.
Hi Andrii,
The issue was found in a stable branch, and commit 7a2fa70aaffc
(selftests/bpf: Add remaining ASSERT_xxx() variants) seems not in the
branch, There are some conflicts that I failed to cherry-pick it to the
head to test.
Best Regards,
Rong Chen
>
>>
>> vim +860 tools/testing/selftests/bpf/prog_tests/core_reloc.c
>>
>> 765
>> 766 void test_core_reloc(void)
>> 767 {
>> 768 const size_t mmap_sz = roundup_page(sizeof(struct data));
>> 769 struct bpf_object_load_attr load_attr = {};
>> 770 struct core_reloc_test_case *test_case;
>> 771 const char *tp_name, *probe_name;
>> 772 int err, i, equal;
>> 773 struct bpf_link *link = NULL;
>> 774 struct bpf_map *data_map;
>> 775 struct bpf_program *prog;
>> 776 struct bpf_object *obj;
>> 777 uint64_t my_pid_tgid;
>> 778 struct data *data;
>> 779 void *mmap_data = NULL;
>> 780
>
> [...]
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