What does aliasing bug mean?
Definitions for aliasing bug
alias·ing bug
This dictionary definitions page includes all the possible meanings, example usage and translations of the word aliasing bug.
Wikipedia
aliasing bug
A stale pointer bug, otherwise known as an aliasing bug, is a class of subtle programming errors that can arise in code that does dynamic memory allocation, especially via the malloc function or equivalent. If several pointers address (are "aliases for") a given chunk 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) errors depending on the state and the allocation history of the malloc arena. This bug can be avoided by never creating aliases for allocated memory, by controlling the dynamic scope of references to the storage so that none can remain when it is freed, or by use of a garbage collector, in the form of an intelligent memory-allocation library or as provided by higher-level languages, such as Lisp. The term "aliasing bug" is nowadays associated with C programming, but it was already in use in a very similar sense in the ALGOL 60 and Fortran programming language communities in the 1960s.
The New Hacker's Dictionary
aliasing bug
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. See also precedence lossage, smash the stack, fandango on core, memory leak, memory smash, overrun screw, spam.Historical note: Though this term is nowadays associated with C programming, it was already in use in a very similar sense in the Algol-60 and FORTRAN communities in the 1960s.
Numerology
Chaldean Numerology
The numerical value of aliasing bug in Chaldean Numerology is: 2
Pythagorean Numerology
The numerical value of aliasing bug in Pythagorean Numerology is: 3
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"aliasing bug." Definitions.net. STANDS4 LLC, 2024. Web. 19 Apr. 2024. <https://www.definitions.net/definition/aliasing+bug>.
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