1 files changed, 0 insertions, 56 deletions
diff --git a/samples/bpf/test_probe_write_user_kern.c b/samples/bpf/test_probe_write_user_kern.c
deleted file mode 100644
index 220a96438d75..000000000000
--- a/samples/bpf/test_probe_write_user_kern.c
+++ /dev/null
@@ -1,56 +0,0 @@
-/* Copyright (c) 2016 Sargun Dhillon <sargun@sargun.me>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
- */
-#include <linux/skbuff.h>
-#include <linux/netdevice.h>
-#include <uapi/linux/bpf.h>
-#include <linux/version.h>
-#include <bpf/bpf_helpers.h>
-#include <bpf/bpf_tracing.h>
-#include <bpf/bpf_core_read.h>
-#include "trace_common.h"
-
-struct {
-	__uint(type, BPF_MAP_TYPE_HASH);
-	__type(key, struct sockaddr_in);
-	__type(value, struct sockaddr_in);
-	__uint(max_entries, 256);
-} dnat_map SEC(".maps");
-
-/* kprobe is NOT a stable ABI
- * kernel functions can be removed, renamed or completely change semantics.
- * Number of arguments and their positions can change, etc.
- * In such case this bpf+kprobe example will no longer be meaningful
- *
- * This example sits on a syscall, and the syscall ABI is relatively stable
- * of course, across platforms, and over time, the ABI may change.
- */
-SEC("kprobe/" SYSCALL(sys_connect))
-int bpf_prog1(struct pt_regs *ctx)
-{
-	struct pt_regs *real_regs = (struct pt_regs *)PT_REGS_PARM1_CORE(ctx);
-	void *sockaddr_arg = (void *)PT_REGS_PARM2_CORE(real_regs);
-	int sockaddr_len = (int)PT_REGS_PARM3_CORE(real_regs);
-	struct sockaddr_in new_addr, orig_addr = {};
-	struct sockaddr_in *mapped_addr;
-
-	if (sockaddr_len > sizeof(orig_addr))
-		return 0;
-
-	if (bpf_probe_read_user(&orig_addr, sizeof(orig_addr), sockaddr_arg) != 0)
-		return 0;
-
-	mapped_addr = bpf_map_lookup_elem(&dnat_map, &orig_addr);
-	if (mapped_addr != NULL) {
-		memcpy(&new_addr, mapped_addr, sizeof(new_addr));
-		bpf_probe_write_user(sockaddr_arg, &new_addr,
-				     sizeof(new_addr));
-	}
-	return 0;
-}
-
-char _license[] SEC("license") = "GPL";
-u32 _version SEC("version") = LINUX_VERSION_CODE;