id,summary,reporter,owner,description,type,status,milestone,component,version,severity,resolution,keywords,cc
9006,read_xml segfaults if run from boost::asio::spawn,Mátyás Végh <matyas.vegh@…>,Sebastian Redl,"I've noticed that if read_xml is run through a boost::asio::spawn then read_xml encounters a segmentation violation.

{{{
#include <boost/property_tree/ptree.hpp>
#include <iostream>
#include <boost/property_tree/xml_parser.hpp>
#include <string>
#include <sstream>
#include <boost/asio.hpp>
#include <boost/asio/spawn.hpp>


void read() {
	std::cout<<""starting read()""<<std::endl;
	std::string xml = R""phi(<?xml version=""1.0""?> <start></start>)phi"";
	std::stringstream ss(std::move(xml));
	boost::property_tree::ptree pt;
	boost::property_tree::read_xml(ss, pt);
	std::cout<<""ending read()""<<std::endl;
}

int main() {
	boost::asio::io_service ios;
	boost::asio::strand mystrand{ios};
	read();
	boost::asio::spawn(mystrand, [](boost::asio::yield_context){read();});
	ios.run();
}

}}}
The code above produces
{{{
starting read()
ending read()
starting read()
Segmentation fault
}}}
Compiled with gcc-4.8.1 and clang-3.3 (release) on Suse Linux 11 x86_64.

",Bugs,new,To Be Determined,property_tree,Boost 1.54.0,Problem,,,