1 | // SPDX-License-Identifier: GPL-2.0-only |
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2 | #include <stddef.h> |
3 | #include <linux/bpf.h> |
4 | #include <bpf/bpf_helpers.h> |
5 | #include "bpf_misc.h" |
6 | |
7 | struct S; |
8 | |
9 | __noinline int foo(const struct S *s) |
10 | { |
11 | if (s) |
12 | return bpf_get_prandom_u32() < *(const int *) s; |
13 | |
14 | return 0; |
15 | } |
16 | |
17 | SEC("cgroup_skb/ingress") |
18 | __failure __msg("reference type('FWD S') size cannot be determined") |
19 | int global_func14(struct __sk_buff *skb) |
20 | { |
21 | |
22 | return foo(NULL); |
23 | } |
24 |