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