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| author |   Hao Luo <haoluo@google.com> | 2022-01-06 12:55:25 -0800 |
|---|---|---|
| committer |   Andrii Nakryiko <andrii@kernel.org> | 2022-01-06 15:20:49 -0800 |
| commit | 44bab87d8ca6f0544a9f8fc97bdf33aa5b3c899e (patch) | |
| tree | e88c204993400047827074a50eb71bf3e50319bc /net/ipv4/tcp_ipv4.c | |
| parent | libbpf: Add documentation for bpf_map batch operations (diff) | |
| download | linux-dev-44bab87d8ca6f0544a9f8fc97bdf33aa5b3c899e.tar.xz linux-dev-44bab87d8ca6f0544a9f8fc97bdf33aa5b3c899e.zip | |
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
Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
0 files changed, 0 insertions, 0 deletions