id	summary	reporter	owner	description	type	status	milestone	component	version	severity	resolution	keywords	cc
9324	boost\include\boost-1_53\boost\asio\detail\impl\signal_set_service.ipp Off by One Error	Oscar Deits <odeits@…>	chris_kohlhoff	"In the function

{{{
boost::system::error_code signal_set_service::add(
    signal_set_service::implementation_type& impl,
    int signal_number, boost::system::error_code& ec)

}}}

The guard statement
{{{
// Check that the signal number is valid.
  if (signal_number < 0 || signal_number > max_signal_number)
  {
    ec = boost::asio::error::invalid_argument;
    return ec;
  }
}}}

has an Off-by-One error. 

The guard statement should read
{{{
// Check that the signal number is valid.
  if (signal_number < 0 || signal_number >= max_signal_number)
  {
    ec = boost::asio::error::invalid_argument;
    return ec;
  }
}}}

"	Bugs	new	To Be Determined	asio	Boost 1.54.0	Problem