linux-stable/tools/testing/selftests/bpf/prog_tests/bad_struct_ops.c

68 lines
1.5 KiB
C

// SPDX-License-Identifier: GPL-2.0
#include <test_progs.h>
#include "bad_struct_ops.skel.h"
#include "bad_struct_ops2.skel.h"
static void invalid_prog_reuse(void)
{
struct bad_struct_ops *skel;
char *log = NULL;
int err;
skel = bad_struct_ops__open();
if (!ASSERT_OK_PTR(skel, "bad_struct_ops__open"))
return;
if (start_libbpf_log_capture())
goto cleanup;
err = bad_struct_ops__load(skel);
log = stop_libbpf_log_capture();
ASSERT_ERR(err, "bad_struct_ops__load should fail");
ASSERT_HAS_SUBSTR(log,
"struct_ops init_kern testmod_2 func ptr test_1: invalid reuse of prog test_1",
"expected init_kern message");
cleanup:
free(log);
bad_struct_ops__destroy(skel);
}
static void unused_program(void)
{
struct bad_struct_ops2 *skel;
char *log = NULL;
int err;
skel = bad_struct_ops2__open();
if (!ASSERT_OK_PTR(skel, "bad_struct_ops2__open"))
return;
/* struct_ops programs not referenced from any maps are open
* with autoload set to true.
*/
ASSERT_TRUE(bpf_program__autoload(skel->progs.foo), "foo autoload == true");
if (start_libbpf_log_capture())
goto cleanup;
err = bad_struct_ops2__load(skel);
ASSERT_ERR(err, "bad_struct_ops2__load should fail");
log = stop_libbpf_log_capture();
ASSERT_HAS_SUBSTR(log, "prog 'foo': failed to load",
"message about 'foo' failing to load");
cleanup:
free(log);
bad_struct_ops2__destroy(skel);
}
void test_bad_struct_ops(void)
{
if (test__start_subtest("invalid_prog_reuse"))
invalid_prog_reuse();
if (test__start_subtest("unused_program"))
unused_program();
}