49 lines · c
1// SPDX-License-Identifier: GPL-2.02#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