[lxml-dev] *** glibc detected *** free(): invalid pointer: 0x086449e7 ***

[Stefan Behnel]

Hi Doug,

Doug Winter wrote:
> Stefan Behnel wrote:
>> Hmmm, two things that leave me puzzled:
>>
>> * "iteratorStoreNext" points to the external C-API of etree, however,
>> it is
>> unlikely that it is used here. lxml.objectify is currently the only
>> module
>> that uses it.
>>
>> * if "_iteratorStoreNext" is meant instead (mind the underscore), it
>> refers to
>> element iteration. And I can't see where iteration is used in your
>> example.
>>
>> Any ideas from your side where iteration comes into play in your code?
> 
> Hi Stefan,
> 
> All I am doing is applying an XSL transform using etree.XSLT()().  I've
> checked that backtrace again, and there are no underscores in
> iteratorStoreNext.  I've attached the XSL stylesheet I'm using, in case
> that helps.  The only unusual thing about it, perhaps, is that I am
> using exsl:node-set.
> 
> Incidentally, I previously forgot to provide version numbers:
> 
> lxml.etree:        (1, 1, 1, 0)
> libxml used:       (2, 6, 27)
> libxml compiled:   (2, 6, 26)
> libxslt used:      (1, 1, 19)
> libxslt compiled:  (1, 1, 17)

Ah, ok. Any chance you could switch to either 1.2 or 1.3beta? There were a
number of bug fixes since 1.1.1 that might be related here.

Stefan