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// SPDX-License-Identifier: GPL-2.0-only
#include <stddef.h>
#include <linux/bpf.h>
#include <bpf/bpf_helpers.h>
#include "bpf_misc.h"
#if !defined(__clang__)
#pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
#endif
struct Small {
long x;
};
struct Big {
long x;
long y;
};
__noinline int foo(const struct Big *big)
{
if (!big)
return 0;
return bpf_get_prandom_u32() < big->y;
}
SEC("cgroup_skb/ingress")
__failure __msg("invalid indirect access to stack")
int global_func10(struct __sk_buff *skb)
{
const struct Small small = {.x = skb->len };
return foo((struct Big *)&small) ? 1 : 0;
}
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