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| author |   Martin KaFai Lau <kafai@fb.com> | 2018-06-02 09:06:51 -0700 |
|---|---|---|
| committer |   Alexei Starovoitov <ast@kernel.org> | 2018-06-02 11:22:36 -0700 |
| commit | 8175383f2320dbc1b4e803d857ed499ed3e76199 (patch) | |
| tree | e567188ab587107f05d7faebe771de2e50ff241a /tools/testing/selftests/bpf/test_btf.c | |
| parent | bpf: btf: Check array t->size (diff) | |
| download | linux-dev-8175383f2320dbc1b4e803d857ed499ed3e76199.tar.xz linux-dev-8175383f2320dbc1b4e803d857ed499ed3e76199.zip | |
bpf: btf: Ensure t->type == 0 for BTF_KIND_FWD
The t->type in BTF_KIND_FWD is not used. It must be 0.
This patch ensures that and also adds a test case in test_btf.c
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to '')
| -rw-r--r-- | tools/testing/selftests/bpf/test_btf.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/test_btf.c b/tools/testing/selftests/bpf/test_btf.c index fd8246e84149..3619f3023088 100644 --- a/tools/testing/selftests/bpf/test_btf.c +++ b/tools/testing/selftests/bpf/test_btf.c @@ -1242,6 +1242,28 @@ static struct btf_raw_test raw_tests[] = { .err_str = "Invalid btf_info", }, +{ + .descr = "fwd test. t->type != 0\"", + .raw_types = { + /* int */ /* [1] */ + BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), + /* fwd type */ /* [2] */ + BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_FWD, 0, 0), 1), + BTF_END_RAW, + }, + .str_sec = "", + .str_sec_size = sizeof(""), + .map_type = BPF_MAP_TYPE_ARRAY, + .map_name = "fwd_test_map", + .key_size = sizeof(int), + .value_size = sizeof(int), + .key_type_id = 1, + .value_type_id = 1, + .max_entries = 4, + .btf_load_err = true, + .err_str = "type != 0", +}, + }; /* struct btf_raw_test raw_tests[] */ static const char *get_next_str(const char *start, const char *end) |