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 7 struct 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 16 SEC("cgroup_skb/ingress") 17 __failure __msg("invalid mem access 'mem_or_null'") 18 int global_func12(struct __sk_buff *skb) 19 { 20 const struct S s = {.x = skb->len }; 21 22 return foo(&s); 23 } 24