tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Copyright (C) 2006 Jeff Dike (jdike@addtoit.com)
3 * Licensed under the GPL V2
4 */
5
6#include <linux/uaccess.h>
7
8/* Mostly copied from i386/x86_86 - eliminated the eip < PAGE_OFFSET because
9 * that's not relevant in skas mode.
10 */
11
12int is_valid_bugaddr(unsigned long eip)
13{
14 unsigned short ud2;
15
16 if (probe_kernel_address((unsigned short __user *)eip, ud2))
17 return 0;
18
19 return ud2 == 0x0b0f;
20}