linux-stable/tools/testing/selftests/bpf/progs/test_autoload.c
Andrii Nakryiko 5712174c5c selftests/bpf: Test auto-load disabling logic for BPF programs
Validate that BPF object with broken (in multiple ways) BPF program can still
be successfully loaded, if that broken BPF program is disabled.

Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20200625232629.3444003-3-andriin@fb.com
2020-06-28 10:06:53 -07:00

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C

// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2020 Facebook */
#include "vmlinux.h"
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_tracing.h>
#include <bpf/bpf_core_read.h>
bool prog1_called = false;
bool prog2_called = false;
bool prog3_called = false;
SEC("raw_tp/sys_enter")
int prog1(const void *ctx)
{
prog1_called = true;
return 0;
}
SEC("raw_tp/sys_exit")
int prog2(const void *ctx)
{
prog2_called = true;
return 0;
}
struct fake_kernel_struct {
int whatever;
} __attribute__((preserve_access_index));
SEC("fentry/unexisting-kprobe-will-fail-if-loaded")
int prog3(const void *ctx)
{
struct fake_kernel_struct *fake = (void *)ctx;
fake->whatever = 123;
prog3_called = true;
return 0;
}
char _license[] SEC("license") = "GPL";