Add selftest for cases where btf_name_valid_section() does not properly
check for certain types of names.
Suggested-by: Eduard Zingerman <eddyz87@xxxxxxxxx>
Signed-off-by: Jeongjun Park <aha310510@xxxxxxxxx>
---
tools/testing/selftests/bpf/prog_tests/btf.c | 34 ++++++++++++++++++++
1 file changed, 34 insertions(+)
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
@@ -3550,6 +3550,40 @@ 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 = {
--
