The attached patch will fix the issue without breaking any existing use case. Can someone please review. If looks good I will push the patch to its proper place.
HH. ppm
Description: Patch for fixing _write on invalid objects Origin: vendor Bug-Debian: http://bugs.debian.org/746804 Author: Partha Pratim Mukherjee <ppm.fl...@gmail.com> --- a/lib/IPC/Run.pm +++ b/lib/IPC/Run.pm @@ -2465,8 +2465,14 @@ sub _open_pipes { } _debug_desc_fd( 'writing to', $pipe ) if _debugging_details; - my $c = _write( $pipe->{FD}, $$in_ref ); - substr( $$in_ref, 0, $c, '' ); + if (length $$in_ref && $$in_ref) { + my $c = _write( $pipe->{FD}, $$in_ref ); + substr( $$in_ref, 0, $c, '' ); + } else { + $self->_clobber( $pipe ); + return undef; + } + return 1; }; ## Output filters are the first filters
