core_kern_overflow.c

 1// SPDX-License-Identifier: GPL-2.0
 2#include "vmlinux.h"
 3
 4#include <bpf/bpf_helpers.h>
 5#include <bpf/bpf_tracing.h>
 6#include <bpf/bpf_core_read.h>
 7
 8typedef int (*func_proto_typedef)(long);
 9typedef int (*func_proto_typedef_nested1)(func_proto_typedef);
10typedef int (*func_proto_typedef_nested2)(func_proto_typedef_nested1);
11
12int proto_out;
13
14SEC("raw_tracepoint/sys_enter")
15int core_relo_proto(void *ctx)
16{
17	proto_out = bpf_core_type_exists(func_proto_typedef_nested2);
18
19	return 0;
20}
21
22char LICENSE[] SEC("license") = "GPL";