linux-kernel - Re: [PATCH] Fix markup_oops.pl get error in x86

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Date:	Wed, 06 Jan 2010 05:23:47 -0800
From:	Arjan van de Ven <arjan@...ux.intel.com>
To:	Hui Zhu <teawater@...il.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Sam Ravnborg <sam@...nborg.org>,
	Ozan Çaglayan <ozan@...dus.org.tr>,
	Matthew Wilcox <willy@...ux.intel.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Fix markup_oops.pl get error in x86

On 1/6/2010 1:23, Hui Zhu wrote:
>   	}
> $func_offset will get a number like "0x2"
> But in follow code:
> my $decodestart = Math::BigInt->from_hex("0x$target") -
> Math::BigInt->from_hex("0x$func_offset");
> It add other ox to ox2.
> Then this value will be set to NaN.
>
> So I make a small patch to fix it.

> -	if ($line =~ /EIP is at ([a-zA-Z0-9\_]+)\+(0x[0-9a-f]+)\/0x[a-f0-9]/) {
> +	if ($line =~ /EIP is at ([a-zA-Z0-9\_]+)\+0x([0-9a-f]+)\/[a-f0-9]/) {

I think this makes sense, but would you not also need to add "x" to the list of allowed characters?
so   [a-f0-9x]
?

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