blob: 23857224f9814b1a5f458ad9c247cf5488f467df [file] [log] [blame]
// Copyright 2016 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <zircon/syscalls-ddk.h>
#include <zircon/syscalls.h>
static int val = 5;
void bad_kernel_access_read(void) {
char cmd[50];
snprintf(cmd, sizeof(cmd), "db %p 1", &val);
zx_debug_send_command(cmd, strlen(cmd));
}
void bad_kernel_access_write(void) {
char cmd[50];
snprintf(cmd, sizeof(cmd), "mb %p 1 1", &val);
zx_debug_send_command(cmd, strlen(cmd));
}
int main(int argc, char **argv) {
if (argc < 2) {
printf("Usage: %s [read|write]\n", argv[0]);
return 1;
}
if (!strcmp(argv[1], "read")) {
bad_kernel_access_read();
} else if (!strcmp(argv[1], "write")) {
bad_kernel_access_write();
}
return 0;
}