22 lines
		
	
	
		
			423 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			22 lines
		
	
	
		
			423 B
		
	
	
	
		
			C
		
	
	
	
	
	
/*
 | 
						|
 * Copyright (C) 2006 Jeff Dike (jdike@addtoit.com)
 | 
						|
 * Licensed under the GPL V2
 | 
						|
 */
 | 
						|
 | 
						|
#include <linux/uaccess.h>
 | 
						|
#include <asm/errno.h>
 | 
						|
 | 
						|
/* Mostly copied from i386/x86_86 - eliminated the eip < PAGE_OFFSET because
 | 
						|
 * that's not relevant in skas mode.
 | 
						|
 */
 | 
						|
 | 
						|
int is_valid_bugaddr(unsigned long eip)
 | 
						|
{
 | 
						|
	unsigned short ud2;
 | 
						|
 | 
						|
	if (probe_kernel_address((unsigned short __user *)eip, ud2))
 | 
						|
		return 0;
 | 
						|
 | 
						|
	return ud2 == 0x0b0f;
 | 
						|
}
 |