Hi Daniel,
thanks for the response. I did some additional debugging and I verified
that the crash doesn't occur on the main thread, but is 100% reproducible on
secondary thread. This explains why you cannot reproduce it with xmllint.
Here's the plain c code:
---- XMLParserBug.c ----
#include <libXML/HTMLparser.h>
#include <libXML/parser.h>
#include <string.h>
#include <fcntl.h>
#include <unistd.h>
#include <pthread.h>
#include <stdio.h>
xmlChar buffer[1024 * 128];
void* _thread(void *threadid)
{
printf("thread started\n");
fflush(stdout);
xmlSAXHandler _SAXParserFunctionHandlers;
memset( &_SAXParserFunctionHandlers, 0, sizeof(xmlSAXHandler) );
htmlDocPtr saxDoc = htmlSAXParseDoc(buffer,
"utf-8",
(htmlSAXHandlerPtr)&_SAXParserFunctionHandlers,
NULL);
if (saxDoc)
xmlFreeDoc(saxDoc);
return NULL;
}
int main (int argc, const char * argv[])
{
memset( &buffer, 0, sizeof(buffer) );
int fd = open(argv[1], O_RDONLY);
if ( read(fd, &buffer, sizeof(buffer)) <= 0 ) {
printf("Failed to read file\n");
return 1;
}
pthread_t thread;
if (pthread_create(&thread, NULL, _thread, NULL)) {
printf("pthread_create() failed\n");
return 1;
}
sleep(15);
return 0;
}
---- ---- ---- ---- ---- ---- ----
Steps to reproduce (on Mac OS X):
1. gcc XMLParserBug.c -I/usr/include/libxml2 -I/usr/include/libxml2/libxml
/usr/lib/libxml2.dylib -o parserbug
2. curl http://www.dlc.fi/~hurmari/index96.html > bugpage.html
3. ./parserbug bugpage.html
thread started
Bus error
Any idea what could possibly go wrong here? Should I file a bug?
Thanks!
Giovanni
I can't debug your code, but
> xmllint --sax --html http://www.dlc.fi/~hurmari/index96.html
> seems to have no problem with the document, so I guess the problem
> is on your side.
>
> Daniel
>
> --
> Daniel Veillard | libxml Gnome XML XSLT toolkit http://xmlsoft.org/
> [email protected] | Rpmfind RPM search engine http://rpmfind.net/
> http://veillard.com/ | virtualization library http://libvirt.org/
>
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