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
8 static char log_buf[1024 * 1024];
9
10 struct {
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
20 void 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
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