// SPDX-License-Identifier: GPL-2.0-only #include <stddef.h> #include <linux/bpf.h> #include <bpf/bpf_helpers.h> struct Small { int x; }; struct Big { int x; int y; }; __noinline int foo(const struct Big *big) { if (!big) return 0; return bpf_get_prandom_u32() < big->y; } SEC("cgroup_skb/ingress") int test_cls(struct __sk_buff *skb) { const struct Small small = {.x = skb->len }; return foo((struct Big *)&small) ? 1 : 0; }