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by rascul
1515 days ago
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It may be in reference to TOCTOU. [0] If you check that you can access a resource before you access that resource, you have implemented a race condition where you could potentially lose access to the resource in between the check and access attempt. It's probably not an issue if you have proper error handling, but it seems common to check that access is allowed then assume the resource will still be accessible later, without handling errors for when it's not. [0] https://en.wikipedia.org/wiki/Time-of-check_to_time-of-use |
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