fc1c9e40da
Add two tests to ensure fentry programs cannot attach to
bpf_spin_{lock,unlock}() helpers. The tracing_failure.c files
can be used in the future for other tracing failure cases.
Signed-off-by: Yonghong Song <yonghong.song@linux.dev>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20240207070107.335341-1-yonghong.song@linux.dev
38 lines
903 B
C
38 lines
903 B
C
// SPDX-License-Identifier: GPL-2.0
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/* Copyright (c) 2024 Meta Platforms, Inc. and affiliates. */
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#include <test_progs.h>
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#include "tracing_failure.skel.h"
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static void test_bpf_spin_lock(bool is_spin_lock)
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{
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struct tracing_failure *skel;
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int err;
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skel = tracing_failure__open();
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if (!ASSERT_OK_PTR(skel, "tracing_failure__open"))
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return;
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if (is_spin_lock)
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bpf_program__set_autoload(skel->progs.test_spin_lock, true);
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else
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bpf_program__set_autoload(skel->progs.test_spin_unlock, true);
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err = tracing_failure__load(skel);
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if (!ASSERT_OK(err, "tracing_failure__load"))
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goto out;
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err = tracing_failure__attach(skel);
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ASSERT_ERR(err, "tracing_failure__attach");
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out:
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tracing_failure__destroy(skel);
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}
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void test_tracing_failure(void)
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{
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if (test__start_subtest("bpf_spin_lock"))
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test_bpf_spin_lock(true);
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if (test__start_subtest("bpf_spin_unlock"))
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test_bpf_spin_lock(false);
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}
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