// SPDX-License-Identifier: GPL-2.0 /* Copyright (C) 2025 Google LLC. */ #include #include #include #include "bpf_misc.h" struct { __uint(type, BPF_MAP_TYPE_ARRAY); __type(key, __u32); __type(value, __u32); __uint(max_entries, 1); } excl_map SEC(".maps"); char _license[] SEC("license") = "GPL"; SEC("?fentry.s/" SYS_PREFIX "sys_getpgid") int should_have_access(void *ctx) { int key = 0, value = 0xdeadbeef; bpf_map_update_elem(&excl_map, &key, &value, 0); return 0; } SEC("?fentry.s/" SYS_PREFIX "sys_getpgid") int should_not_have_access(void *ctx) { int key = 0, value = 0xdeadbeef; bpf_map_update_elem(&excl_map, &key, &value, 0); return 0; }