= A =
[common; Unix] The area of memory attached to a
process by brk(2) and sbrk(2) and used by
malloc(3) as dynamic storage. So named from a
corrupt arena message emitted when some early versions detected an
impossible value in the free block list. See overrun screw,
aliasing bug, memory leak, memory smash, smash the stack.
--The Jargon File version 4.3.1, ed. ESR, autonoded by rescdsk.