mirror of
https://github.com/torvalds/linux.git
synced 2024-11-01 01:31:44 +00:00
5c48b108ec
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Richard Weinberger <richard@nod.at>
22 lines
403 B
C
22 lines
403 B
C
/*
|
|
* Copyright (C) 2006 Jeff Dike (jdike@addtoit.com)
|
|
* Licensed under the GPL V2
|
|
*/
|
|
|
|
#include <linux/uaccess.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;
|
|
}
|