[xmlsec] About xmlParseInNodeContext() in libxml2.
aleksey at aleksey.com
Tue Sep 14 22:57:28 PDT 2004
Do you do "unlink" node before freeing it? If you do then
it sounds like a libxml2 bug but it's hard to say something
definite without a reproducible test case. Can you provide
a *small* example that demonstrates the problem?
> Let me tell you more details. I parse from a buffer, such as "<xsi:getsumReturn xsi:type="xsd:int">9</xsi:getsumReturn>".
> If the content of this node is a single character or a single digital or a serials of blank, then use xmlFreeNode() to free the node that via function xmlParseInNodeContext() , the result will be Segmentation fault. I debug into xmlFreeNode() and trace to DICT_FREE(cur->content), the cur->content is 9 and execute xmlFree((char *)(str)) result in the error of Segmentation fault. If the content of this node is NOT a single character or a single digital or a serials of blank, there will be right all.
> I think whether I omit something or other? I need your help. Thx for lot.
>>Try to run the program under gdb or valgrind and find out
>>what causes the crash. BTW, did you call xmlSetTreeDoc?
>>> I have a question about function xmlParseInNodeContext() in libxml2.6.13. After I finished call it and get a parsed XML chain and add it to the doc, then there is an error Segmentation fault when I use xmlFreeDoc() to free the doc. I compiled in Red Hat 9 and need some advice from you. Thx!
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