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selftests/bpf: Add verifier test for d_path helper
authorJiri Olsa <jolsa@kernel.org>
Tue, 25 Aug 2020 19:21:22 +0000 (21:21 +0200)
committerAlexei Starovoitov <ast@kernel.org>
Tue, 25 Aug 2020 22:41:15 +0000 (15:41 -0700)
commit762f85156835258c85a32bf81b283300b6c6bd17
treef5476f2772a5bdc444a60e283b49789a841da55atree
parent68a26bc7922ebf8bbf418f8e9d69364d965433e9commit | diff
selftests/bpf: Add verifier test for d_path helper

Adding verifier test for attaching tracing program and
calling d_path helper from within and testing that it's
allowed for dentry_open function and denied for 'd_path'
function with appropriate error.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Link: https://lore.kernel.org/bpf/20200825192124.710397-13-jolsa@kernel.org
tools/testing/selftests/bpf/test_verifier.c diff | blob | history
tools/testing/selftests/bpf/verifier/d_path.c [new file with mode: 0644] blob
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