projects/linux·blob master · refs

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1// SPDX-License-Identifier: GPL-2.0
2#include "vmlinux.h"
3#include <bpf/bpf_helpers.h>
4
5/*
6 * A single initialized global, so the generated loader has one internal
7 * (.data) map that it seeds with an initial value while loading.
8 * prog_tests/signed_loader.c uses this to check that a signed loader
9 * keeps the attested contents and ignores a ctx-supplied initial_value:
10 * the host cannot re-seed a signed program's maps through the loader ctx.
11 */
12__u64 magic = 0x5eed1234abad1deaULL;
13
14SEC("socket")
15int probe(void *ctx)
16{
17 return (int)magic;
18}
19
20char _license[] SEC("license") = "GPL";