| 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 | foo(&s); |
| 23 | |
| 24 | return 1; |
| 25 | } |
| 26 |