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
20 lines
427 B
C
20 lines
427 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 "vmlinux.h"
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#include <bpf/bpf_helpers.h>
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#include <bpf/bpf_tracing.h>
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char _license[] SEC("license") = "GPL";
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SEC("?fentry/bpf_spin_lock")
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int BPF_PROG(test_spin_lock, struct bpf_spin_lock *lock)
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{
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return 0;
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}
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SEC("?fentry/bpf_spin_unlock")
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int BPF_PROG(test_spin_unlock, struct bpf_spin_lock *lock)
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{
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return 0;
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}
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