test_global_func17.c

 1// SPDX-License-Identifier: GPL-2.0-only
 2#include <vmlinux.h>
 3#include <bpf/bpf_helpers.h>
 4#include "bpf_misc.h"
 5
 6__noinline int foo(int *p)
 7{
 8	barrier_var(p);
 9	return p ? (*p = 42) : 0;
10}
11
12const volatile int i;
13
14SEC("tc")
15__failure __msg("Caller passes invalid args into func#1")
16int global_func17(struct __sk_buff *skb)
17{
18	return foo((int *)&i);
19}