Software bug: Difference between revisions

Revision as of 12:29, 10 September 2024

Revision as of 09:24, 4 October 2024

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* Incorrect hardware handling.

* Incorrect assumptions of a particular platform.

* [[Software incompatibility|Incompatible]] systems. A new [[API]] or [[communications protocol]] may seem to work when two systems use different versions, but errors may occur when a function or feature implemented in one version is changed or missing in another. In production systems which must run continually, shutting down the entire system for a major update may not be possible, such as in the telecommunication industry<ref name="Kimbler1998">{{cite book|first=K. |last=Kimbler|title=Feature Interactions in Telecommunications and Software Systems V|url={{google books |plainurl=y |id=q7BSGKJrWxsC|page=8}}|year=1998|publisher=IOS Press|isbn=978-90-5199-431-5|page=8}}</ref> or the internet.<ref name="Rahman2001">{{cite book|last=Syed |first=Mahbubur Rahman|title=Multimedia Networking: Technology, Management and Applications: Technology, Management and Applications|url={{google books |plainurl=y |id=e3rAmuQSUXkC|page=398}}|date=2001|publisher=Idea Group Inc (IGI)|isbn=978-1-59140-005-9|page=398}}</ref><ref name="WuIrwin2016">{{cite book|first1=Chwan-Hwa (John) |last1=Wu|first2=J. David|last2= Irwin|title=Introduction to Computer Networks and Cybersecurity|url={{google books |plainurl=y |id=bInNBQAAQBAJ|p=500}}|date=2016|publisher=CRC Press|isbn=978-1-4665-7214-0|page=500}}</ref><ref>[[rfc:1263|RFC 1263]]: "TCP Extensions Considered Harmful" quote: "the time to distribute the new version of the protocol to all hosts can be quite long (forever in fact). ... If there is the slightest incompatibly between old and new versions, chaos can result."</ref> In this case, smaller segments of a large system are upgraded individually, to minimize disruption to a large network. However, some sections could be overlooked and not upgraded, and cause compatibility errors which may be difficult to find and repair.

* Incorrect code annotations.

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== In popular culture ==

* In video gaming, the term "[[glitch#Video game glitches|glitch]]" is sometimes used to refer to a software bug. An example is the glitch and [[List of Pokémon|unofficial Pokémon species]] [[MissingNo.]]

* In both the 1968 novel ''[[2001: A Space Odyssey (novel)|2001: A Space Odyssey]]'' and the corresponding 1968 film ''[[2001: A Space Odyssey (film)|2001: A Space Odyssey]]'', a spaceship's onboard computer, [[HAL 9000]], attempts to kill all its crew members. In the follow-up 1982 novel, ''[[2010: Odyssey Two]]'', and the accompanying 1984 film, ''[[2010: (film)The Year We Make Contact|''2010]]: The Year We Make Contact'']], it is revealed that this action was caused by the computer having been programmed with two conflicting objectives: to fully disclose all its information, and to keep the true purpose of the flight secret from the crew; this conflict caused HAL to become paranoid and eventually homicidal.

* In the English version of the Nena 1983 song ''[[99 Luftballons]]'' (99 Red Balloons) as a result of "bugs in the software", a release of a group of 99 red balloons are mistaken for an enemy nuclear missile launch, requiring an equivalent launch response, resulting in catastrophe.

* In the 1999 American comedy ''[[Office Space]]'', three employees attempt (unsuccessfully) to exploit their company's preoccupation with the Y2K computer bug using a computer virus that sends rounded-off fractions of a penny to their bank account—a long-known technique described as [[Salami slicing tactics|salami slicing]].