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| author | Jeongjun Park <aha310510@gmail.com> | 2024-08-31 14:47:42 +0900 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2024-09-04 12:34:19 -0700 |
| commit | 743070894724bf5ee0b2c77a28f838f6244d19bd (patch) | |
| tree | 324cbb6757e625a5079894ce62f9c0e4bc0f4eb9 | |
| parent | bb6705c3f93bed2af03d43691743d4c43e3c8e6f (diff) | |
| download | linux-stable-743070894724bf5ee0b2c77a28f838f6244d19bd.tar.gz linux-stable-743070894724bf5ee0b2c77a28f838f6244d19bd.tar.bz2 linux-stable-743070894724bf5ee0b2c77a28f838f6244d19bd.zip | |
selftests/bpf: Add a selftest to check for incorrect names
Add selftest for cases where btf_name_valid_section() does not properly
check for certain types of names.
Suggested-by: Eduard Zingerman <eddyz87@gmail.com>
Signed-off-by: Jeongjun Park <aha310510@gmail.com>
Link: https://lore.kernel.org/r/20240831054742.364585-1-aha310510@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Eduard Zingerman <eddyz87@gmail.com>
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/btf.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/btf.c b/tools/testing/selftests/bpf/prog_tests/btf.c index 00965a6e83bb..61de88cf4ad0 100644 --- a/tools/testing/selftests/bpf/prog_tests/btf.c +++ b/tools/testing/selftests/bpf/prog_tests/btf.c @@ -3551,6 +3551,40 @@ static struct btf_raw_test raw_tests[] = { BTF_STR_SEC("\0x\0?.foo bar:buz"), }, { + .descr = "datasec: name with non-printable first char not is ok", + .raw_types = { + /* int */ + BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ + /* VAR x */ /* [2] */ + BTF_TYPE_ENC(1, BTF_INFO_ENC(BTF_KIND_VAR, 0, 0), 1), + BTF_VAR_STATIC, + /* DATASEC ?.data */ /* [3] */ + BTF_TYPE_ENC(3, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), + BTF_VAR_SECINFO_ENC(2, 0, 4), + BTF_END_RAW, + }, + BTF_STR_SEC("\0x\0\7foo"), + .err_str = "Invalid name", + .btf_load_err = true, +}, +{ + .descr = "datasec: name '\\0' is not ok", + .raw_types = { + /* int */ + BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ + /* VAR x */ /* [2] */ + BTF_TYPE_ENC(1, BTF_INFO_ENC(BTF_KIND_VAR, 0, 0), 1), + BTF_VAR_STATIC, + /* DATASEC \0 */ /* [3] */ + BTF_TYPE_ENC(3, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), + BTF_VAR_SECINFO_ENC(2, 0, 4), + BTF_END_RAW, + }, + BTF_STR_SEC("\0x\0"), + .err_str = "Invalid name", + .btf_load_err = true, +}, +{ .descr = "type name '?foo' is not ok", .raw_types = { /* union ?foo; */ |