xref: /linux/tools/testing/selftests/bpf/progs/verifier_btf_unreliable_prog.c (revision c532de5a67a70f8533d495f8f2aaa9a0491c3ad0)
1 // SPDX-License-Identifier: GPL-2.0
2 // Copyright (c) 2017 Facebook
3 
4 #include "vmlinux.h"
5 #include <bpf/bpf_helpers.h>
6 #include <bpf/bpf_tracing.h>
7 #include <bpf/bpf_core_read.h>
8 #include "bpf_misc.h"
9 
10 struct whatever {};
11 
12 SEC("kprobe")
13 __success __log_level(2)
14 /* context type is wrong, making it impossible to freplace this program */
15 int btf_unreliable_kprobe(struct whatever *ctx)
16 {
17 	return 0;
18 }
19 
20 char _license[] SEC("license") = "GPL";
21