1// SPDX-License-Identifier: GPL-2.0-only 2#include <stddef.h> 3#include <linux/bpf.h> 4#include <bpf/bpf_helpers.h> 5#include "bpf_misc.h" 6 7struct S { 8 int x; 9}; 10 11__noinline int foo(const struct S *s) 12{ 13 return bpf_get_prandom_u32() < s->x; 14} 15 16SEC("cgroup_skb/ingress") 17__failure __msg("invalid mem access 'mem_or_null'") 18int global_func12(struct __sk_buff *skb) 19{ 20 const struct S s = {.x = skb->len }; 21 22 foo(&s); 23 24 return 1; 25} 26