[PATCH v3 bpf-next 0/2] bpf: Fix fill_link_info and add selftest

[Yafang Shao <laoar.shao@xxxxxxxxx>]

Patch #1: Fix an error in fill_link_info reported by Dan
Patch #2: Add selftest for #1

v2->v3:
  - Comments from Jiri
    - Verify wrong arguments as soon as possible
    - Use CONFIG_X86_KERNEL_IBT
    - No need to make the test serial
    - Add test case for kprobe_multi

v1->v2:
  - Fix BPF CI failure due to the enabled ENDBDR

Yafang Shao (2):
  bpf: Fix uninitialized symbol in bpf_perf_link_fill_kprobe()
  selftests/bpf: Add selftest for fill_link_info

 kernel/bpf/syscall.c                               |   4 +-
 tools/testing/selftests/bpf/DENYLIST.aarch64       |   3 +
 .../selftests/bpf/prog_tests/fill_link_info.c      | 369 +++++++++++++++++++++
 .../selftests/bpf/progs/test_fill_link_info.c      |  42 +++
 4 files changed, 416 insertions(+), 2 deletions(-)
 create mode 100644 tools/testing/selftests/bpf/prog_tests/fill_link_info.c
 create mode 100644 tools/testing/selftests/bpf/progs/test_fill_link_info.c

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1.8.3.1