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 | if (s) |
14 | return bpf_get_prandom_u32() < s->x; |
15 | |
16 | return 0; |
17 | } |
18 | |
19 | SEC("cgroup_skb/ingress" ) |
20 | __failure __msg("Caller passes invalid args into func#1" ) |
21 | int global_func13(struct __sk_buff *skb) |
22 | { |
23 | const struct S *s = (const struct S *)(0xbedabeda); |
24 | |
25 | return foo(s); |
26 | } |
27 | |