| // SPDX-License-Identifier: GPL-2.0-only | |
| #include <stddef.h> | |
| #include <linux/bpf.h> | |
| #include <bpf/bpf_helpers.h> | |
| #include "bpf_misc.h" | |
| struct S; | |
| __noinline int foo(const struct S *s) | |
| { | |
| if (s) | |
| return bpf_get_prandom_u32() < *(const int *) s; | |
| return 0; | |
| } | |
| SEC("cgroup_skb/ingress") | |
| __failure __msg("reference type('FWD S') size cannot be determined") | |
| int global_func14(struct __sk_buff *skb) | |
| { | |
| return foo(NULL); | |
| } |