// 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);
}
}
Messung V0.5 C=94 H=97 G=95
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