/usr/lib/debug/usr/sbin/corosync-cfgtool
/usr/lib/debug/usr/sbin/corosync-cpgtool
/usr/lib/debug/usr/sbin/corosync
/usr/lib/debug/usr/sbin/corosync-fplay
/usr/lib/debug/usr/sbin/corosync-keygen
/usr/lib/debug/usr/sbin/corosync-notifyd
/usr/lib/debug/usr/sbin/corosync-objctl
/usr/lib/debug/usr/sbin/corosync-pload
/usr/lib/debug/usr/sbin/corosync-quorumtool
You may install this package on Debian with
apt-get
install corosync-dbg