There's plenty of ways to introduce subtle bugs into your code that give you a hard time finding and fixing. In this post I'd like to introduce you to malloc_debug, a heap implementation with added debug helpers, and outline how it can be used to find some of these problems.
This is a companion discussion topic for the original entry at https://www.haiku-os.org/blog/mmlr/2010-02-08_using_malloc_debug_find_memory_related_bugs/