linux-zen-desktop/tools/testing/selftests/bpf/progs/test_global_func16.c

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2023-08-30 17:31:07 +02:00
// SPDX-License-Identifier: GPL-2.0-only
#include <stddef.h>
#include <linux/bpf.h>
#include <bpf/bpf_helpers.h>
#include "bpf_misc.h"
__noinline int foo(int (*arr)[10])
{
if (arr)
return (*arr)[9];
return 0;
}
SEC("cgroup_skb/ingress")
__failure __msg("invalid indirect read from stack")
int global_func16(struct __sk_buff *skb)
{
int array[10];
const int rv = foo(&array);
return rv ? 1 : 0;
}