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66 lines
1.5 KiB
C
66 lines
1.5 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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/* Copyright (C) 2025 Red Hat, Inc.*/
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#include <test_progs.h>
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#include "string_kfuncs_success.skel.h"
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#include "string_kfuncs_failure1.skel.h"
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#include "string_kfuncs_failure2.skel.h"
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#include <sys/mman.h>
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static const char * const test_cases[] = {
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"strcmp",
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"strchr",
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"strchrnul",
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"strnchr",
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"strrchr",
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"strlen",
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"strnlen",
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"strspn_str",
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"strspn_accept",
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"strcspn_str",
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"strcspn_reject",
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"strstr",
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"strnstr",
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};
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void run_too_long_tests(void)
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{
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struct string_kfuncs_failure2 *skel;
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struct bpf_program *prog;
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char test_name[256];
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int err, i;
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skel = string_kfuncs_failure2__open_and_load();
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if (!ASSERT_OK_PTR(skel, "string_kfuncs_failure2__open_and_load"))
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return;
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memset(skel->bss->long_str, 'a', sizeof(skel->bss->long_str));
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for (i = 0; i < ARRAY_SIZE(test_cases); i++) {
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sprintf(test_name, "test_%s_too_long", test_cases[i]);
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if (!test__start_subtest(test_name))
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continue;
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prog = bpf_object__find_program_by_name(skel->obj, test_name);
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if (!ASSERT_OK_PTR(prog, "bpf_object__find_program_by_name"))
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goto cleanup;
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LIBBPF_OPTS(bpf_test_run_opts, topts);
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err = bpf_prog_test_run_opts(bpf_program__fd(prog), &topts);
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if (!ASSERT_OK(err, "bpf_prog_test_run"))
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goto cleanup;
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ASSERT_EQ(topts.retval, -E2BIG, "reading too long string fails with -E2BIG");
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}
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cleanup:
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string_kfuncs_failure2__destroy(skel);
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}
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void test_string_kfuncs(void)
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{
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RUN_TESTS(string_kfuncs_success);
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RUN_TESTS(string_kfuncs_failure1);
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run_too_long_tests();
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}
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