1*5b88319eSDaniel Borkmann // SPDX-License-Identifier: GPL-2.0 2*5b88319eSDaniel Borkmann #include "vmlinux.h" 3*5b88319eSDaniel Borkmann #include <bpf/bpf_helpers.h> 4*5b88319eSDaniel Borkmann 5*5b88319eSDaniel Borkmann /* 6*5b88319eSDaniel Borkmann * A single initialized global, so the generated loader has one internal 7*5b88319eSDaniel Borkmann * (.data) map that it seeds with an initial value while loading. 8*5b88319eSDaniel Borkmann * prog_tests/signed_loader.c uses this to check that a signed loader 9*5b88319eSDaniel Borkmann * keeps the attested contents and ignores a ctx-supplied initial_value: 10*5b88319eSDaniel Borkmann * the host cannot re-seed a signed program's maps through the loader ctx. 11*5b88319eSDaniel Borkmann */ 12*5b88319eSDaniel Borkmann __u64 magic = 0x5eed1234abad1deaULL; 13*5b88319eSDaniel Borkmann 14*5b88319eSDaniel Borkmann SEC("socket") 15*5b88319eSDaniel Borkmann int probe(void *ctx) 16*5b88319eSDaniel Borkmann { 17*5b88319eSDaniel Borkmann return (int)magic; 18*5b88319eSDaniel Borkmann } 19*5b88319eSDaniel Borkmann 20*5b88319eSDaniel Borkmann char _license[] SEC("license") = "GPL"; 21