Technical Definitions: What is Aliasing bug? Aliasing bug Definition.

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Aliasing bug Definition

A class of subtle programming errors that can arise in code that does dynamic allocation, esp. via malloc(3) or equivalent. If several pointers address (are aliases for) a given hunk of storage, it may happen that the storage is freed or reallocated (and thus moved) through one alias and then referenced through another, which may lead to subtle (and possibly intermittent) lossage depending on the state and the allocation history of the malloc arena. Avoidable by use of allocation strategies that never alias allocated core, or by use of higher-level languages, such as LISP, which employ a garbage collector (see GC). Also called a stale pointer bug.

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