1// SPDX-License-Identifier: GPL-2.0
2#include "bpf/libbpf.h"
3#include <test_progs.h>
4#include <network_helpers.h>
5
6#include "cb_refs.skel.h"
7
8static char log_buf[1024 * 1024];
9
10struct {
11	const char *prog_name;
12	const char *err_msg;
13} cb_refs_tests[] = {
14	{ "underflow_prog", "reference has not been acquired before" },
15	{ "leak_prog", "Unreleased reference" },
16	{ "nested_cb", "Unreleased reference id=4 alloc_insn=2" }, /* alloc_insn=2{4,5} */
17	{ "non_cb_transfer_ref", "Unreleased reference id=4 alloc_insn=1" }, /* alloc_insn=1{1,2} */
18};
19
20void test_cb_refs(void)
21{
22	LIBBPF_OPTS(bpf_object_open_opts, opts, .kernel_log_buf = log_buf,
23						.kernel_log_size = sizeof(log_buf),
24						.kernel_log_level = 1);
25	struct bpf_program *prog;
26	struct cb_refs *skel;
27	int i;
28
29	for (i = 0; i < ARRAY_SIZE(cb_refs_tests); i++) {
30		LIBBPF_OPTS(bpf_test_run_opts, run_opts,
31			.data_in = &pkt_v4,
32			.data_size_in = sizeof(pkt_v4),
33			.repeat = 1,
34		);
35		skel = cb_refs__open_opts(&opts);
36		if (!ASSERT_OK_PTR(skel, "cb_refs__open_and_load"))
37			return;
38		prog = bpf_object__find_program_by_name(skel->obj, cb_refs_tests[i].prog_name);
39		bpf_program__set_autoload(prog, true);
40		if (!ASSERT_ERR(cb_refs__load(skel), "cb_refs__load"))
41			bpf_prog_test_run_opts(bpf_program__fd(prog), &run_opts);
42		if (!ASSERT_OK_PTR(strstr(log_buf, cb_refs_tests[i].err_msg), "expected error message")) {
43			fprintf(stderr, "Expected: %s\n", cb_refs_tests[i].err_msg);
44			fprintf(stderr, "Verifier: %s\n", log_buf);
45		}
46		cb_refs__destroy(skel);
47	}
48}
49