Time-of-check to time-of-use - Wikipedia

In software development, time-of-check to time-of-use (TOCTOU, TOCTTOU or TOC/TOU) is a class of software bugs caused by a race condition involving the checking of the state of a part of a system (such as a security credential) and the use of the results of that check. TOCTOU race conditions are common in Unix between operations on the file system,[1] but can occur in other contexts, including loc

[fcicq]

TOCTOU, a kind of race condition

[iww]

TOCTOU。 レースコンディションの一種。 状態をチェックをしてから実際に使うまでの間に状態が変わってると怖いよね という話

[mickn]

日本語版がないな

[yyamano]

a class of software bug caused by changes in a system between the checking of a condition (such as a security credential) and the use of the results of that check.