16 lines · c
1#include "vmlinux.h"2#include <linux/version.h>3#include <bpf/bpf_helpers.h>4 5SEC("kprobe/open_ctree")6int bpf_prog1(struct pt_regs *ctx)7{8 unsigned long rc = -12;9 10 bpf_override_return(ctx, rc);11 return 0;12}13 14char _license[] SEC("license") = "GPL";15u32 _version SEC("version") = LINUX_VERSION_CODE;16