libdmalloc-dev 5.5.2-14build1 (s390x binary) in ubuntu focal

 Drop in replacement for the system's `malloc', `realloc', `calloc', `free' and
 other memory management routines while providing powerful debugging facilities
 configurable at runtime.
 .
 These facilities include such things as memory-leak tracking, fence-post write
 detection, file/line number reporting, and general logging of statistics.
 .
 This package contains the static libraries and documentation.