Patch #1: Fix an error in fill_link_info reported by Dan
Patch #2: Add selftest for #1
v3->v4:
- Comments from Yonghong
- re-word the kptr comment
- Avoid unnecessary switch statement
- No need to check the return value of bpf_link__fd()
- offset is always 0
- Return directly when test_fill_link_info__open_and_load() fails
- Cleanup skel when load_kallsyms_refresh() fails
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 | 337 +++++++++++++++++++++
.../selftests/bpf/progs/test_fill_link_info.c | 42 +++
4 files changed, 384 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
