Re: contrib/xml2 pfree bug

From: Andrew Dunstan <andrew(at)dunslane(dot)net>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: contrib/xml2 pfree bug
Date: 2010-02-28 21:06:40
Message-ID: 4B8ADAE0.804@dunslane.net
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Andrew Dunstan wrote:
>
>
>
> Almost any XML will do for the first param. e.g.:

It looks like you need to make sure the XML library is called first to
induce the crash, so before doing what's below, do:

select query_to_xml('select 1 as x',true,false,''):

>
> select xslt_process( query_to_xml('select x from generate_series(1,5)
> as x',true,false,'')::text,
> $$<xsl:stylesheet version="1.0"
> xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
> <xsl:output method="xml" indent="yes" />
> <xsl:template match="*">
> <xsl:copy>
> <xsl:copy-of select="@*" />
> <xsl:apply-templates />
> </xsl:copy>
> </xsl:template>
> <xsl:template match="comment()|processing-instruction()">
> <xsl:copy />
> </xsl:template>
> </xsl:stylesheet>
> $$::text);
>

cheers

andrew

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