| Jeff Dike | e182c96 | 2006-12-08 02:36:23 -0800 | [diff] [blame] | 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 relevent in skas mode. | ||||
| 10 | */ | ||||
| 11 | |||||
| 12 | int 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 | } | ||||