// SPDX-License-Identifier: GPL-2.0 #include "bpf/libbpf.h" #include <test_progs.h> #include <network_helpers.h> #include "cb_refs.skel.h" static char log_buf[1024 * 1024]; struct { const char *prog_name; const char *err_msg; } cb_refs_tests[] = { { "underflow_prog", "must point to scalar, or struct with scalar" }, { "leak_prog", "Possibly NULL pointer passed to helper arg2" }, { "nested_cb", "Unreleased reference id=4 alloc_insn=2" }, /* alloc_insn=2{4,5} */ { "non_cb_transfer_ref", "Unreleased reference id=4 alloc_insn=1" }, /* alloc_insn=1{1,2} */ }; void test_cb_refs(void) { LIBBPF_OPTS(bpf_object_open_opts, opts, .kernel_log_buf = log_buf, .kernel_log_size = sizeof(log_buf), .kernel_log_level = 1); struct bpf_program *prog; struct cb_refs *skel; int i; for (i = 0; i < ARRAY_SIZE(cb_refs_tests); i++) { LIBBPF_OPTS(bpf_test_run_opts, run_opts, .data_in = &pkt_v4, .data_size_in = sizeof(pkt_v4), .repeat = 1, ); skel = cb_refs__open_opts(&opts); if (!ASSERT_OK_PTR(skel, "cb_refs__open_and_load")) return; prog = bpf_object__find_program_by_name(skel->obj, cb_refs_tests[i].prog_name); bpf_program__set_autoload(prog, true); if (!ASSERT_ERR(cb_refs__load(skel), "cb_refs__load")) bpf_prog_test_run_opts(bpf_program__fd(prog), &run_opts); if (!ASSERT_OK_PTR(strstr(log_buf, cb_refs_tests[i].err_msg), "expected error message")) { fprintf(stderr, "Expected: %s\n", cb_refs_tests[i].err_msg); fprintf(stderr, "Verifier: %s\n", log_buf); } cb_refs__destroy(skel); } }