1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42
|
// 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";
|