// SPDX-License-Identifier: GPL-2.0 /* Copyright (c) 2019 Facebook */ #include <stdbool.h> #include <stddef.h> #include <linux/bpf.h> #include <linux/ptrace.h> #include <bpf/bpf_helpers.h> #include <bpf/bpf_tracing.h> struct task_struct; SEC("kprobe/__set_task_comm") int BPF_KPROBE(prog1, struct task_struct *tsk, const char *buf, bool exec) { return !tsk; } SEC("kretprobe/__set_task_comm") int BPF_KRETPROBE(prog2, int ret) { return ret; } SEC("raw_tp/task_rename") int prog3(struct bpf_raw_tracepoint_args *ctx) { return !ctx->args[0]; } SEC("fentry/__set_task_comm") int BPF_PROG(prog4, struct task_struct *tsk, const char *buf, bool exec) { return 0; } SEC("fexit/__set_task_comm") int BPF_PROG(prog5, struct task_struct *tsk, const char *buf, bool exec) { return 0; } char _license[] SEC("license") = "GPL";