| commit | 44bab87d8ca6f0544a9f8fc97bdf33aa5b3c899e | [log] [tgz] |
|---|---|---|
| author | Hao Luo <haoluo@google.com> | Thu Jan 06 12:55:25 2022 -0800 |
| committer | Andrii Nakryiko <andrii@kernel.org> | Thu Jan 06 15:20:49 2022 -0800 |
| tree | e88c204993400047827074a50eb71bf3e50319bc | |
| parent | e59618f0f46fa6cf86d5b82380e0f453756b282b [diff] |
bpf/selftests: Test bpf_d_path on rdonly_mem. The second parameter of bpf_d_path() can only accept writable memories. Rdonly_mem obtained from bpf_per_cpu_ptr() can not be passed into bpf_d_path for modification. This patch adds a selftest to verify this behavior. Signed-off-by: Hao Luo <haoluo@google.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Yonghong Song <yhs@fb.com> Link: https://lore.kernel.org/bpf/20220106205525.2116218-1-haoluo@google.com