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brintos / linux-shallow public Read only

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1// SPDX-License-Identifier: GPL-2.0-only2#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	if (s)14		return bpf_get_prandom_u32() < s->x;15 16	return 0;17}18 19SEC("cgroup_skb/ingress")20__failure __msg("Caller passes invalid args into func#1")21int global_func13(struct __sk_buff *skb)22{23	const struct S *s = (const struct S *)(0xbedabeda);24 25	return foo(s);26}27