Re: (Repost) Re: [xml] Memory reference after xmlFree in XPath evaluation

[Daniel Veillard <veillard redhat com>]

On Mon, Apr 14, 2003 at 09:30:30AM +0100, Brian Stafford wrote:
> [I posted this over a week ago but so for there has been no response.  
> It is a test case demonstrating a potential memory reference after free 
> problem I believe I have identified in XPath evaluation.  This 
> situation is causing me genuine problems using libxml2 and I have spent 
> some time trying to track down the cause.  I would appreciate some 
> guidance either to patch libxml2 to cure the problem or alternatively, 
> if anyone else on the list has encountered this, guidance as to how to 
> structure the application to avoid the reference after free.]

  http://mail.gnome.org/archives/xslt/2003-April/msg00035.html
  http://bugzilla.gnome.org/show_bug.cgi?id=110023
  http://mail.gnome.org/archives/xslt/2003-April/msg00042.html
  http://mail.gnome.org/archives/xslt/2003-April/msg00039.html

 Enough evidence that 1/ there is a problem 2/ this is been worked on
3/ existing Result Value Tree based code may need changes 4/ there have
been discussion on the issue.
 I did not have the time to look at your code. I may not have the time,
check first that the solutions applied by Mark Vadoc is applicable
in your case.

Daniel

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