1#include <uapi/linux/ptrace.h> 2#include <uapi/linux/bpf.h> 3#include <linux/version.h> 4#include <bpf/bpf_helpers.h> 5 6SEC("kprobe/open_ctree") 7int bpf_prog1(struct pt_regs *ctx) 8{ 9 unsigned long rc = -12; 10 11 bpf_override_return(ctx, rc); 12 return 0; 13} 14 15char _license[] SEC("license") = "GPL"; 16u32 _version SEC("version") = LINUX_VERSION_CODE; 17