// SPDX-License-Identifier: GPL-2.0 #include #include struct { __uint(type, BPF_MAP_TYPE_ARRAY); __uint(max_entries, 1); __type(key, __u32); __type(value, __u64); } array_map SEC(".maps"); static __u64 check_array_elem(struct bpf_map *map, __u32 *key, __u64 *val, void *data) { bpf_get_current_comm(key, sizeof(*key)); return 0; } SEC("raw_tp/sys_enter") int test_map_key_write(const void *ctx) { bpf_for_each_map_elem(&array_map, check_array_elem, NULL, 0); return 0; } char _license[] SEC("license") = "GPL";