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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
[platform/kernel/linux-starfive.git] / tools / testing / selftests / bpf / test_btf.c
diff --git a/tools/testing/selftests/bpf/test_btf.c b/tools/testing/selftests/bpf/test_btf.c
index bae7308..bded6c2 100644 (file)
--- a/tools/testing/selftests/bpf/test_btf.c
+++ b/tools/testing/selftests/bpf/test_btf.c
@@ -449,11 +449,11 @@ static struct btf_raw_test raw_tests[] = {
                /* const void* */       /* [3] */
                BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 2),
                /* typedef const void * const_void_ptr */
-               BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 3),
-               /* struct A { */        /* [4] */
+               BTF_TYPEDEF_ENC(NAME_TBD, 3),   /* [4] */
+               /* struct A { */        /* [5] */
                BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), sizeof(void *)),
                /* const_void_ptr m; */
-               BTF_MEMBER_ENC(NAME_TBD, 3, 0),
+               BTF_MEMBER_ENC(NAME_TBD, 4, 0),
                /* } */
                BTF_END_RAW,
        },
@@ -511,10 +511,10 @@ static struct btf_raw_test raw_tests[] = {
                BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 0),
                /* const void* */       /* [3] */
                BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 2),
-               /* typedef const void * const_void_ptr */       /* [4] */
-               BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 3),
-               /* const_void_ptr[4] */ /* [5] */
-               BTF_TYPE_ARRAY_ENC(3, 1, 4),
+               /* typedef const void * const_void_ptr */
+               BTF_TYPEDEF_ENC(NAME_TBD, 3),   /* [4] */
+               /* const_void_ptr[4] */
+               BTF_TYPE_ARRAY_ENC(4, 1, 4),    /* [5] */
                BTF_END_RAW,
        },
        .str_sec = "\0const_void_ptr",
@@ -1310,6 +1310,367 @@ static struct btf_raw_test raw_tests[] = {
 },
 
 {
+       .descr = "typedef (invalid name, name_off = 0)",
+       .raw_types = {
+               BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),  /* [1] */
+               BTF_TYPEDEF_ENC(0, 1),                          /* [2] */
+               BTF_END_RAW,
+       },
+       .str_sec = "\0__int",
+       .str_sec_size = sizeof("\0__int"),
+       .map_type = BPF_MAP_TYPE_ARRAY,
+       .map_name = "typedef_check_btf",
+       .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 = "Invalid name",
+},
+
+{
+       .descr = "typedef (invalid name, invalid identifier)",
+       .raw_types = {
+               BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),  /* [1] */
+               BTF_TYPEDEF_ENC(NAME_TBD, 1),                   /* [2] */
+               BTF_END_RAW,
+       },
+       .str_sec = "\0__!int",
+       .str_sec_size = sizeof("\0__!int"),
+       .map_type = BPF_MAP_TYPE_ARRAY,
+       .map_name = "typedef_check_btf",
+       .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 = "Invalid name",
+},
+
+{
+       .descr = "ptr type (invalid name, name_off <> 0)",
+       .raw_types = {
+               BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),          /* [1] */
+               BTF_TYPE_ENC(NAME_TBD,
+                            BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 1),      /* [2] */
+               BTF_END_RAW,
+       },
+       .str_sec = "\0__int",
+       .str_sec_size = sizeof("\0__int"),
+       .map_type = BPF_MAP_TYPE_ARRAY,
+       .map_name = "ptr_type_check_btf",
+       .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 = "Invalid name",
+},
+
+{
+       .descr = "volatile type (invalid name, name_off <> 0)",
+       .raw_types = {
+               BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),          /* [1] */
+               BTF_TYPE_ENC(NAME_TBD,
+                            BTF_INFO_ENC(BTF_KIND_VOLATILE, 0, 0), 1), /* [2] */
+               BTF_END_RAW,
+       },
+       .str_sec = "\0__int",
+       .str_sec_size = sizeof("\0__int"),
+       .map_type = BPF_MAP_TYPE_ARRAY,
+       .map_name = "volatile_type_check_btf",
+       .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 = "Invalid name",
+},
+
+{
+       .descr = "const type (invalid name, name_off <> 0)",
+       .raw_types = {
+               BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),          /* [1] */
+               BTF_TYPE_ENC(NAME_TBD,
+                            BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 1),    /* [2] */
+               BTF_END_RAW,
+       },
+       .str_sec = "\0__int",
+       .str_sec_size = sizeof("\0__int"),
+       .map_type = BPF_MAP_TYPE_ARRAY,
+       .map_name = "const_type_check_btf",
+       .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 = "Invalid name",
+},
+
+{
+       .descr = "restrict type (invalid name, name_off <> 0)",
+       .raw_types = {
+               BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),          /* [1] */
+               BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 1),   /* [2] */
+               BTF_TYPE_ENC(NAME_TBD,
+                            BTF_INFO_ENC(BTF_KIND_RESTRICT, 0, 0), 2), /* [3] */
+               BTF_END_RAW,
+       },
+       .str_sec = "\0__int",
+       .str_sec_size = sizeof("\0__int"),
+       .map_type = BPF_MAP_TYPE_ARRAY,
+       .map_name = "restrict_type_check_btf",
+       .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 = "Invalid name",
+},
+
+{
+       .descr = "fwd type (invalid name, name_off = 0)",
+       .raw_types = {
+               BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),          /* [1] */
+               BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_FWD, 0, 0), 0),   /* [2] */
+               BTF_END_RAW,
+       },
+       .str_sec = "\0__skb",
+       .str_sec_size = sizeof("\0__skb"),
+       .map_type = BPF_MAP_TYPE_ARRAY,
+       .map_name = "fwd_type_check_btf",
+       .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 = "Invalid name",
+},
+
+{
+       .descr = "fwd type (invalid name, invalid identifier)",
+       .raw_types = {
+               BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),          /* [1] */
+               BTF_TYPE_ENC(NAME_TBD,
+                            BTF_INFO_ENC(BTF_KIND_FWD, 0, 0), 0),      /* [2] */
+               BTF_END_RAW,
+       },
+       .str_sec = "\0__!skb",
+       .str_sec_size = sizeof("\0__!skb"),
+       .map_type = BPF_MAP_TYPE_ARRAY,
+       .map_name = "fwd_type_check_btf",
+       .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 = "Invalid name",
+},
+
+{
+       .descr = "array type (invalid name, name_off <> 0)",
+       .raw_types = {
+               BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),          /* [1] */
+               BTF_TYPE_ENC(NAME_TBD,
+                            BTF_INFO_ENC(BTF_KIND_ARRAY, 0, 0), 0),    /* [2] */
+               BTF_ARRAY_ENC(1, 1, 4),
+               BTF_END_RAW,
+       },
+       .str_sec = "\0__skb",
+       .str_sec_size = sizeof("\0__skb"),
+       .map_type = BPF_MAP_TYPE_ARRAY,
+       .map_name = "array_type_check_btf",
+       .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 = "Invalid name",
+},
+
+{
+       .descr = "struct type (name_off = 0)",
+       .raw_types = {
+               BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),          /* [1] */
+               BTF_TYPE_ENC(0,
+                            BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 4),   /* [2] */
+               BTF_MEMBER_ENC(NAME_TBD, 1, 0),
+               BTF_END_RAW,
+       },
+       .str_sec = "\0A",
+       .str_sec_size = sizeof("\0A"),
+       .map_type = BPF_MAP_TYPE_ARRAY,
+       .map_name = "struct_type_check_btf",
+       .key_size = sizeof(int),
+       .value_size = sizeof(int),
+       .key_type_id = 1,
+       .value_type_id = 1,
+       .max_entries = 4,
+},
+
+{
+       .descr = "struct type (invalid name, invalid identifier)",
+       .raw_types = {
+               BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),          /* [1] */
+               BTF_TYPE_ENC(NAME_TBD,
+                            BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 4),   /* [2] */
+               BTF_MEMBER_ENC(NAME_TBD, 1, 0),
+               BTF_END_RAW,
+       },
+       .str_sec = "\0A!\0B",
+       .str_sec_size = sizeof("\0A!\0B"),
+       .map_type = BPF_MAP_TYPE_ARRAY,
+       .map_name = "struct_type_check_btf",
+       .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 = "Invalid name",
+},
+
+{
+       .descr = "struct member (name_off = 0)",
+       .raw_types = {
+               BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),          /* [1] */
+               BTF_TYPE_ENC(0,
+                            BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 4),   /* [2] */
+               BTF_MEMBER_ENC(NAME_TBD, 1, 0),
+               BTF_END_RAW,
+       },
+       .str_sec = "\0A",
+       .str_sec_size = sizeof("\0A"),
+       .map_type = BPF_MAP_TYPE_ARRAY,
+       .map_name = "struct_type_check_btf",
+       .key_size = sizeof(int),
+       .value_size = sizeof(int),
+       .key_type_id = 1,
+       .value_type_id = 1,
+       .max_entries = 4,
+},
+
+{
+       .descr = "struct member (invalid name, invalid identifier)",
+       .raw_types = {
+               BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),          /* [1] */
+               BTF_TYPE_ENC(NAME_TBD,
+                            BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 4),   /* [2] */
+               BTF_MEMBER_ENC(NAME_TBD, 1, 0),
+               BTF_END_RAW,
+       },
+       .str_sec = "\0A\0B*",
+       .str_sec_size = sizeof("\0A\0B*"),
+       .map_type = BPF_MAP_TYPE_ARRAY,
+       .map_name = "struct_type_check_btf",
+       .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 = "Invalid name",
+},
+
+{
+       .descr = "enum type (name_off = 0)",
+       .raw_types = {
+               BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),          /* [1] */
+               BTF_TYPE_ENC(0,
+                            BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1),
+                            sizeof(int)),                              /* [2] */
+               BTF_ENUM_ENC(NAME_TBD, 0),
+               BTF_END_RAW,
+       },
+       .str_sec = "\0A\0B",
+       .str_sec_size = sizeof("\0A\0B"),
+       .map_type = BPF_MAP_TYPE_ARRAY,
+       .map_name = "enum_type_check_btf",
+       .key_size = sizeof(int),
+       .value_size = sizeof(int),
+       .key_type_id = 1,
+       .value_type_id = 1,
+       .max_entries = 4,
+},
+
+{
+       .descr = "enum type (invalid name, invalid identifier)",
+       .raw_types = {
+               BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),          /* [1] */
+               BTF_TYPE_ENC(NAME_TBD,
+                            BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1),
+                            sizeof(int)),                              /* [2] */
+               BTF_ENUM_ENC(NAME_TBD, 0),
+               BTF_END_RAW,
+       },
+       .str_sec = "\0A!\0B",
+       .str_sec_size = sizeof("\0A!\0B"),
+       .map_type = BPF_MAP_TYPE_ARRAY,
+       .map_name = "enum_type_check_btf",
+       .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 = "Invalid name",
+},
+
+{
+       .descr = "enum member (invalid name, name_off = 0)",
+       .raw_types = {
+               BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),          /* [1] */
+               BTF_TYPE_ENC(0,
+                            BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1),
+                            sizeof(int)),                              /* [2] */
+               BTF_ENUM_ENC(0, 0),
+               BTF_END_RAW,
+       },
+       .str_sec = "",
+       .str_sec_size = sizeof(""),
+       .map_type = BPF_MAP_TYPE_ARRAY,
+       .map_name = "enum_type_check_btf",
+       .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 = "Invalid name",
+},
+
+{
+       .descr = "enum member (invalid name, invalid identifier)",
+       .raw_types = {
+               BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),          /* [1] */
+               BTF_TYPE_ENC(0,
+                            BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1),
+                            sizeof(int)),                              /* [2] */
+               BTF_ENUM_ENC(NAME_TBD, 0),
+               BTF_END_RAW,
+       },
+       .str_sec = "\0A!",
+       .str_sec_size = sizeof("\0A!"),
+       .map_type = BPF_MAP_TYPE_ARRAY,
+       .map_name = "enum_type_check_btf",
+       .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 = "Invalid name",
+},
+{
        .descr = "arraymap invalid btf key (a bit field)",
        .raw_types = {
                /* int */                               /* [1] */
Domain: System / Kernel;